devices/e1000e/phy-3.2-ethercat.c
author Edouard Tisserant <edouard.tisserant@gmail.com>
Mon, 08 Oct 2018 23:16:34 +0200
branchstable-1.5
changeset 2726 ca80d6dac4c8
parent 2407 35223d2e6e72
permissions -rw-r--r--
devices/rtdmnet.c : abuse RTDM api to allow sendmsg and recvmsg to be called indirectly from userland cobalt process ioctl, while rtdm_socket is created from a kernel thread.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2011 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include <linux/delay.h>
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#include "e1000-3.2-ethercat.h"
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static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
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static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
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static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active);
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static s32 e1000_wait_autoneg(struct e1000_hw *hw);
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static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg);
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static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
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					  u16 *data, bool read, bool page_set);
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static u32 e1000_get_phy_addr_for_hv_page(u32 page);
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static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
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                                          u16 *data, bool read);
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/* Cable length tables */
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static const u16 e1000_m88_cable_length_table[] = {
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	0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
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#define M88E1000_CABLE_LENGTH_TABLE_SIZE \
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		ARRAY_SIZE(e1000_m88_cable_length_table)
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static const u16 e1000_igp_2_cable_length_table[] = {
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	0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3,
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	6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22,
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	26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, 21, 26, 31, 35, 40,
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	44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, 40, 45, 51, 56, 61,
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	66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, 60, 66, 72, 77, 82,
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	87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, 83, 89, 95,
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	100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121,
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	124};
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#define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \
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		ARRAY_SIZE(e1000_igp_2_cable_length_table)
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#define BM_PHY_REG_PAGE(offset) \
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	((u16)(((offset) >> PHY_PAGE_SHIFT) & 0xFFFF))
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#define BM_PHY_REG_NUM(offset) \
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	((u16)(((offset) & MAX_PHY_REG_ADDRESS) |\
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	 (((offset) >> (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT)) &\
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		~MAX_PHY_REG_ADDRESS)))
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#define HV_INTC_FC_PAGE_START             768
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#define I82578_ADDR_REG                   29
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#define I82577_ADDR_REG                   16
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#define I82577_CFG_REG                    22
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#define I82577_CFG_ASSERT_CRS_ON_TX       (1 << 15)
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#define I82577_CFG_ENABLE_DOWNSHIFT       (3 << 10) /* auto downshift 100/10 */
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#define I82577_CTRL_REG                   23
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/* 82577 specific PHY registers */
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#define I82577_PHY_CTRL_2            18
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#define I82577_PHY_STATUS_2          26
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#define I82577_PHY_DIAG_STATUS       31
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/* I82577 PHY Status 2 */
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#define I82577_PHY_STATUS2_REV_POLARITY   0x0400
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#define I82577_PHY_STATUS2_MDIX           0x0800
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#define I82577_PHY_STATUS2_SPEED_MASK     0x0300
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#define I82577_PHY_STATUS2_SPEED_1000MBPS 0x0200
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/* I82577 PHY Control 2 */
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#define I82577_PHY_CTRL2_AUTO_MDIX        0x0400
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#define I82577_PHY_CTRL2_FORCE_MDI_MDIX   0x0200
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/* I82577 PHY Diagnostics Status */
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#define I82577_DSTATUS_CABLE_LENGTH       0x03FC
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#define I82577_DSTATUS_CABLE_LENGTH_SHIFT 2
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/* BM PHY Copper Specific Control 1 */
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#define BM_CS_CTRL1                       16
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#define HV_MUX_DATA_CTRL               PHY_REG(776, 16)
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#define HV_MUX_DATA_CTRL_GEN_TO_MAC    0x0400
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#define HV_MUX_DATA_CTRL_FORCE_SPEED   0x0004
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/**
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 *  e1000e_check_reset_block_generic - Check if PHY reset is blocked
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 *  @hw: pointer to the HW structure
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 *
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 *  Read the PHY management control register and check whether a PHY reset
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 *  is blocked.  If a reset is not blocked return 0, otherwise
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 *  return E1000_BLK_PHY_RESET (12).
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 **/
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s32 e1000e_check_reset_block_generic(struct e1000_hw *hw)
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{
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	u32 manc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   114
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   115
	manc = er32(MANC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   116
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   117
	return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   118
	       E1000_BLK_PHY_RESET : 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   119
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   120
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   121
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
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   122
 *  e1000e_get_phy_id - Retrieve the PHY ID and revision
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   123
 *  @hw: pointer to the HW structure
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parents:
diff changeset
   124
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   125
 *  Reads the PHY registers and stores the PHY ID and possibly the PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   126
 *  revision in the hardware structure.
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   127
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   128
s32 e1000e_get_phy_id(struct e1000_hw *hw)
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diff changeset
   129
{
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   130
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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   131
	s32 ret_val = 0;
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   132
	u16 phy_id;
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parents:
diff changeset
   133
	u16 retry_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   134
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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   135
	if (!(phy->ops.read_reg))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   136
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   137
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   138
	while (retry_count < 2) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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   139
		ret_val = e1e_rphy(hw, PHY_ID1, &phy_id);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   140
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   141
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   142
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   143
		phy->id = (u32)(phy_id << 16);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   144
		udelay(20);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   145
		ret_val = e1e_rphy(hw, PHY_ID2, &phy_id);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   146
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   147
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   148
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
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diff changeset
   149
		phy->id |= (u32)(phy_id & PHY_REVISION_MASK);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
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   150
		phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   151
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
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diff changeset
   152
		if (phy->id != 0 && phy->id != PHY_REVISION_MASK)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   153
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   154
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
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diff changeset
   155
		retry_count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   156
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   157
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   158
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   159
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
 *  e1000e_phy_reset_dsp - Reset PHY DSP
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
 *  Reset the digital signal processor.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
s32 e1000e_phy_reset_dsp(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
	ret_val = e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
	return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
 *  e1000e_read_phy_reg_mdic - Read MDI control register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
 *  Reads the MDI control register in the PHY at offset and stores the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
 *  information read to data.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
	u32 i, mdic = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
	if (offset > MAX_PHY_REG_ADDRESS) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
		e_dbg("PHY Address %d is out of range\n", offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
		return -E1000_ERR_PARAM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
	 * Set up Op-code, Phy Address, and register offset in the MDI
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
	 * Control register.  The MAC will take care of interfacing with the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
	 * PHY to retrieve the desired data.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
	mdic = ((offset << E1000_MDIC_REG_SHIFT) |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
		(phy->addr << E1000_MDIC_PHY_SHIFT) |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
		(E1000_MDIC_OP_READ));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
	ew32(MDIC, mdic);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	 * Poll the ready bit to see if the MDI read completed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
	 * Increasing the time out as testing showed failures with
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
	 * the lower time out
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
		udelay(50);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
		mdic = er32(MDIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
		if (mdic & E1000_MDIC_READY)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
	if (!(mdic & E1000_MDIC_READY)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
		e_dbg("MDI Read did not complete\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
		return -E1000_ERR_PHY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
	if (mdic & E1000_MDIC_ERROR) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
		e_dbg("MDI Error\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
		return -E1000_ERR_PHY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	*data = (u16) mdic;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
	 * Allow some time after each MDIC transaction to avoid
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	 * reading duplicate data in the next MDIC transaction.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	if (hw->mac.type == e1000_pch2lan)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
		udelay(100);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	return 0;
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}
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/**
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 *  e1000e_write_phy_reg_mdic - Write MDI control register
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 *  @hw: pointer to the HW structure
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 *  @offset: register offset to write to
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 *  @data: data to write to register at offset
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 *
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 *  Writes data to MDI control register in the PHY at offset.
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 **/
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s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
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{
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	struct e1000_phy_info *phy = &hw->phy;
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	u32 i, mdic = 0;
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	if (offset > MAX_PHY_REG_ADDRESS) {
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		e_dbg("PHY Address %d is out of range\n", offset);
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		return -E1000_ERR_PARAM;
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	}
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   256
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	/*
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	 * Set up Op-code, Phy Address, and register offset in the MDI
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	 * Control register.  The MAC will take care of interfacing with the
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	 * PHY to retrieve the desired data.
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	 */
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	mdic = (((u32)data) |
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		(offset << E1000_MDIC_REG_SHIFT) |
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		(phy->addr << E1000_MDIC_PHY_SHIFT) |
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		(E1000_MDIC_OP_WRITE));
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   266
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	ew32(MDIC, mdic);
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	/*
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	 * Poll the ready bit to see if the MDI read completed
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	 * Increasing the time out as testing showed failures with
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	 * the lower time out
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	 */
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	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
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		udelay(50);
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		mdic = er32(MDIC);
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		if (mdic & E1000_MDIC_READY)
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			break;
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	}
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	if (!(mdic & E1000_MDIC_READY)) {
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		e_dbg("MDI Write did not complete\n");
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		return -E1000_ERR_PHY;
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	}
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	if (mdic & E1000_MDIC_ERROR) {
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		e_dbg("MDI Error\n");
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		return -E1000_ERR_PHY;
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	}
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   288
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	/*
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	 * Allow some time after each MDIC transaction to avoid
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	 * reading duplicate data in the next MDIC transaction.
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	 */
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	if (hw->mac.type == e1000_pch2lan)
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		udelay(100);
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   295
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	return 0;
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   297
}
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   298
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/**
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   300
 *  e1000e_read_phy_reg_m88 - Read m88 PHY register
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   301
 *  @hw: pointer to the HW structure
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 *  @offset: register offset to be read
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 *  @data: pointer to the read data
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   304
 *
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 *  Acquires semaphore, if necessary, then reads the PHY register at offset
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 *  and storing the retrieved information in data.  Release any acquired
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 *  semaphores before exiting.
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   308
 **/
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   309
s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data)
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{
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	s32 ret_val;
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   312
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	ret_val = hw->phy.ops.acquire(hw);
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	if (ret_val)
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		return ret_val;
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   316
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	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
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   318
					   data);
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	hw->phy.ops.release(hw);
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   321
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	return ret_val;
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   323
}
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   324
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   325
/**
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   326
 *  e1000e_write_phy_reg_m88 - Write m88 PHY register
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   327
 *  @hw: pointer to the HW structure
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   328
 *  @offset: register offset to write to
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   329
 *  @data: data to write at register offset
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   330
 *
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   331
 *  Acquires semaphore, if necessary, then writes the data to PHY register
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   332
 *  at the offset.  Release any acquired semaphores before exiting.
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   333
 **/
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   334
s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data)
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   335
{
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   336
	s32 ret_val;
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   337
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   338
	ret_val = hw->phy.ops.acquire(hw);
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   339
	if (ret_val)
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   340
		return ret_val;
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   341
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   342
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
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   343
					    data);
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   344
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   345
	hw->phy.ops.release(hw);
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   346
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   347
	return ret_val;
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   348
}
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   349
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   350
/**
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   351
 *  e1000_set_page_igp - Set page as on IGP-like PHY(s)
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   352
 *  @hw: pointer to the HW structure
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diff changeset
   353
 *  @page: page to set (shifted left when necessary)
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diff changeset
   354
 *
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   355
 *  Sets PHY page required for PHY register access.  Assumes semaphore is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   356
 *  already acquired.  Note, this function sets phy.addr to 1 so the caller
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diff changeset
   357
 *  must set it appropriately (if necessary) after this function returns.
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   358
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   359
s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
	e_dbg("Setting page 0x%x\n", page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
	hw->phy.addr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	return e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
 *  __e1000e_read_phy_reg_igp - Read igp PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
 *  @locked: semaphore has already been acquired or not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
 *  and stores the retrieved information in data.  Release any acquired
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
 *  semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
                                    bool locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
	if (!locked) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		if (!(hw->phy.ops.acquire))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		ret_val = e1000e_write_phy_reg_mdic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
						    IGP01E1000_PHY_PAGE_SELECT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
						    (u16)offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
			goto release;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	                                  data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
release:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	if (!locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
		hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
 *  e1000e_read_phy_reg_igp - Read igp PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
 *  Acquires semaphore then reads the PHY register at offset and stores the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
 *  retrieved information in data.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
 *  Release the acquired semaphore before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	return __e1000e_read_phy_reg_igp(hw, offset, data, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
 *  e1000e_read_phy_reg_igp_locked - Read igp PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
 *  Reads the PHY register at offset and stores the retrieved information
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
 *  in data.  Assumes semaphore already acquired.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	return __e1000e_read_phy_reg_igp(hw, offset, data, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
 *  e1000e_write_phy_reg_igp - Write igp PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
 *  @locked: semaphore has already been acquired or not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
 *  Acquires semaphore, if necessary, then writes the data to PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
 *  at the offset.  Release any acquired semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
                                     bool locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	if (!locked) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
		if (!(hw->phy.ops.acquire))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		ret_val = e1000e_write_phy_reg_mdic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
						    IGP01E1000_PHY_PAGE_SELECT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
						    (u16)offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
			goto release;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
					    data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
release:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	if (!locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
 *  e1000e_write_phy_reg_igp - Write igp PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
 *  Acquires semaphore then writes the data to PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
 *  at the offset.  Release any acquired semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	return __e1000e_write_phy_reg_igp(hw, offset, data, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
 *  e1000e_write_phy_reg_igp_locked - Write igp PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
 *  Writes the data to PHY register at the offset.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
 *  Assumes semaphore already acquired.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	return __e1000e_write_phy_reg_igp(hw, offset, data, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
 *  __e1000_read_kmrn_reg - Read kumeran register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
 *  @locked: semaphore has already been acquired or not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
 *  Acquires semaphore, if necessary.  Then reads the PHY register at offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
 *  using the kumeran interface.  The information retrieved is stored in data.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
 *  Release any acquired semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
                                 bool locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	u32 kmrnctrlsta;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	if (!locked) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		if (!(hw->phy.ops.acquire))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		       E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	ew32(KMRNCTRLSTA, kmrnctrlsta);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	udelay(2);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	kmrnctrlsta = er32(KMRNCTRLSTA);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	*data = (u16)kmrnctrlsta;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	if (!locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
 *  e1000e_read_kmrn_reg -  Read kumeran register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
 *  Acquires semaphore then reads the PHY register at offset using the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
 *  kumeran interface.  The information retrieved is stored in data.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
 *  Release the acquired semaphore before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	return __e1000_read_kmrn_reg(hw, offset, data, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
 *  e1000e_read_kmrn_reg_locked -  Read kumeran register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
 *  Reads the PHY register at offset using the kumeran interface.  The
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
 *  information retrieved is stored in data.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
 *  Assumes semaphore already acquired.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	return __e1000_read_kmrn_reg(hw, offset, data, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
 *  __e1000_write_kmrn_reg - Write kumeran register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
 *  @locked: semaphore has already been acquired or not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
 *  Acquires semaphore, if necessary.  Then write the data to PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
 *  at the offset using the kumeran interface.  Release any acquired semaphores
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
 *  before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
                                  bool locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	u32 kmrnctrlsta;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	if (!locked) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		if (!(hw->phy.ops.acquire))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
		ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		       E1000_KMRNCTRLSTA_OFFSET) | data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	ew32(KMRNCTRLSTA, kmrnctrlsta);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	udelay(2);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	if (!locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
		hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
 *  e1000e_write_kmrn_reg -  Write kumeran register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
 *  Acquires semaphore then writes the data to the PHY register at the offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
 *  using the kumeran interface.  Release the acquired semaphore before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	return __e1000_write_kmrn_reg(hw, offset, data, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
 *  e1000e_write_kmrn_reg_locked -  Write kumeran register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
 *  Write the data to PHY register at the offset using the kumeran interface.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
 *  Assumes semaphore already acquired.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	return __e1000_write_kmrn_reg(hw, offset, data, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
 *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
 *  Sets up Carrier-sense on Transmit and downshift values.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	/* Enable CRS on Tx. This must be set for half-duplex operation. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	phy_data |= I82577_CFG_ASSERT_CRS_ON_TX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	/* Enable downshift */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	ret_val = e1e_wphy(hw, I82577_CFG_REG, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
 *  e1000e_copper_link_setup_m88 - Setup m88 PHY's for copper link
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
 *  Sets up MDI/MDI-X and polarity for m88 PHY's.  If necessary, transmit clock
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
 *  and downshift values are set also.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	/* Enable CRS on Tx. This must be set for half-duplex operation. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	/* For BM PHY this bit is downshift enable */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	if (phy->type != e1000_phy_bm)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	 * Options:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	 *   MDI/MDI-X = 0 (default)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	 *   0 - Auto for all speeds
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	 *   1 - MDI mode
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	 *   2 - MDI-X mode
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	switch (phy->mdix) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	case 1:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	case 2:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	case 3:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	case 0:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	 * Options:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	 *   disable_polarity_correction = 0 (default)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	 *       Automatic Correction for Reversed Cable Polarity
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	 *   0 - Disabled
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	 *   1 - Enabled
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	if (phy->disable_polarity_correction == 1)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	/* Enable downshift on BM (disabled by default) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	if (phy->type == e1000_phy_bm)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		phy_data |= BME1000_PSCR_ENABLE_DOWNSHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	if ((phy->type == e1000_phy_m88) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	    (phy->revision < E1000_REVISION_4) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
	    (phy->id != BME1000_E_PHY_ID_R2)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		 * Force TX_CLK in the Extended PHY Specific Control Register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		 * to 25MHz clock.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		if ((phy->revision == 2) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		    (phy->id == M88E1111_I_PHY_ID)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
			/* 82573L PHY - set the downshift counter to 5x. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
			phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
			/* Configure Master and Slave downshift values */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	if ((phy->type == e1000_phy_bm) && (phy->id == BME1000_E_PHY_ID_R2)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		/* Set PHY page 0, register 29 to 0x0003 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		ret_val = e1e_wphy(hw, 29, 0x0003);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		/* Set PHY page 0, register 30 to 0x0000 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		ret_val = e1e_wphy(hw, 30, 0x0000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	/* Commit the changes. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	ret_val = e1000e_commit_phy(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		e_dbg("Error committing the PHY changes\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	if (phy->type == e1000_phy_82578) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		/* 82578 PHY - set the downshift count to 1x. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
		phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
 *  e1000e_copper_link_setup_igp - Setup igp PHY's for copper link
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
 *  Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
 *  igp PHY's.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	ret_val = e1000_phy_hw_reset(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		e_dbg("Error resetting the PHY.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	 * Wait 100ms for MAC to configure PHY from NVM settings, to avoid
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	 * timeout issues when LFS is enabled.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	msleep(100);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	/* disable lplu d0 during driver init */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	ret_val = e1000_set_d0_lplu_state(hw, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		e_dbg("Error Disabling LPLU D0\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	/* Configure mdi-mdix settings */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	data &= ~IGP01E1000_PSCR_AUTO_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	switch (phy->mdix) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	case 1:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	case 2:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
		data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	case 0:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
		data |= IGP01E1000_PSCR_AUTO_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	/* set auto-master slave resolution settings */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	if (hw->mac.autoneg) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		 * when autonegotiation advertisement is only 1000Mbps then we
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		 * should disable SmartSpeed and enable Auto MasterSlave
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		 * resolution as hardware default.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
			/* Disable SmartSpeed */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
					   &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
					   data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
			/* Set auto Master/Slave resolution process */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
			ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
			data &= ~CR_1000T_MS_ENABLE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
			ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		/* load defaults for future use */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		phy->original_ms_type = (data & CR_1000T_MS_ENABLE) ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
			((data & CR_1000T_MS_VALUE) ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
			e1000_ms_force_master :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
			e1000_ms_force_slave) :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
			e1000_ms_auto;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		switch (phy->ms_type) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		case e1000_ms_force_master:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
			data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		case e1000_ms_force_slave:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
			data |= CR_1000T_MS_ENABLE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
			data &= ~(CR_1000T_MS_VALUE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		case e1000_ms_auto:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
			data &= ~CR_1000T_MS_ENABLE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
		default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
 *  e1000_phy_setup_autoneg - Configure PHY for auto-negotiation
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
 *  Reads the MII auto-neg advertisement register and/or the 1000T control
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
 *  register and if the PHY is already setup for auto-negotiation, then
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
 *  return successful.  Otherwise, setup advertisement and flow control to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
 *  the appropriate values for the wanted auto-negotiation.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	u16 mii_autoneg_adv_reg;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	u16 mii_1000t_ctrl_reg = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	phy->autoneg_advertised &= phy->autoneg_mask;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	ret_val = e1e_rphy(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		/* Read the MII 1000Base-T Control Register (Address 9). */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	 * Need to parse both autoneg_advertised and fc and set up
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	 * the appropriate PHY registers.  First we will parse for
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	 * autoneg_advertised software override.  Since we can advertise
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	 * a plethora of combinations, we need to check each bit
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	 * individually.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	 * First we clear all the 10/100 mb speed bits in the Auto-Neg
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	 * the  1000Base-T Control Register (Address 9).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	mii_autoneg_adv_reg &= ~(NWAY_AR_100TX_FD_CAPS |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
				 NWAY_AR_100TX_HD_CAPS |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
				 NWAY_AR_10T_FD_CAPS   |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
				 NWAY_AR_10T_HD_CAPS);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	/* Do we want to advertise 10 Mb Half Duplex? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		e_dbg("Advertise 10mb Half duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	/* Do we want to advertise 10 Mb Full Duplex? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		e_dbg("Advertise 10mb Full duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	/* Do we want to advertise 100 Mb Half Duplex? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		e_dbg("Advertise 100mb Half duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	/* Do we want to advertise 100 Mb Full Duplex? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		e_dbg("Advertise 100mb Full duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		e_dbg("Advertise 1000mb Half duplex request denied!\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	/* Do we want to advertise 1000 Mb Full Duplex? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		e_dbg("Advertise 1000mb Full duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	 * Check for a software override of the flow control settings, and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	 * setup the PHY advertisement registers accordingly.  If
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	 * auto-negotiation is enabled, then software will have to set the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	 * negotiation.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	 * The possible values of the "fc" parameter are:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	 *      0:  Flow control is completely disabled
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	 *      1:  Rx flow control is enabled (we can receive pause frames
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	 *	  but not send pause frames).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	 *      2:  Tx flow control is enabled (we can send pause frames
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	 *	  but we do not support receiving pause frames).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	 *  other:  No software override.  The flow control configuration
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	 *	  in the EEPROM is used.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	switch (hw->fc.current_mode) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	case e1000_fc_none:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		 * Flow control (Rx & Tx) is completely disabled by a
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		 * software over-ride.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	case e1000_fc_rx_pause:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		 * Rx Flow control is enabled, and Tx Flow control is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		 * disabled, by a software over-ride.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		 * Since there really isn't a way to advertise that we are
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		 * capable of Rx Pause ONLY, we will advertise that we
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		 * support both symmetric and asymmetric Rx PAUSE.  Later
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		 * (in e1000e_config_fc_after_link_up) we will disable the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		 * hw's ability to send PAUSE frames.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	case e1000_fc_tx_pause:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		 * Tx Flow control is enabled, and Rx Flow control is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		 * disabled, by a software over-ride.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	case e1000_fc_full:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		 * Flow control (both Rx and Tx) is enabled by a software
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		 * over-ride.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		e_dbg("Flow control param set incorrectly\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		ret_val = -E1000_ERR_CONFIG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	ret_val = e1e_wphy(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	if (phy->autoneg_mask & ADVERTISE_1000_FULL)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
 *  e1000_copper_link_autoneg - Setup/Enable autoneg for copper link
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
 *  Performs initial bounds checking on autoneg advertisement parameter, then
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
 *  configure to advertise the full capability.  Setup the PHY to autoneg
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
 *  and restart the negotiation process between the link partner.  If
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
 *  autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	u16 phy_ctrl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	 * Perform some bounds checking on the autoneg advertisement
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	 * parameter.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	phy->autoneg_advertised &= phy->autoneg_mask;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	 * If autoneg_advertised is zero, we assume it was not defaulted
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	 * by the calling code so we set to advertise full capability.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	if (phy->autoneg_advertised == 0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		phy->autoneg_advertised = phy->autoneg_mask;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	e_dbg("Reconfiguring auto-neg advertisement params\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	ret_val = e1000_phy_setup_autoneg(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		e_dbg("Error Setting up Auto-Negotiation\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	e_dbg("Restarting Auto-Neg\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	 * Restart auto-negotiation by setting the Auto Neg Enable bit and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	 * the Auto Neg Restart bit in the PHY control register.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	 * Does the user want to wait for Auto-Neg to complete here, or
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	 * check at a later time (for example, callback routine).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	if (phy->autoneg_wait_to_complete) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		ret_val = e1000_wait_autoneg(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			e_dbg("Error while waiting for "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
				 "autoneg to complete\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	hw->mac.get_link_status = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
 *  e1000e_setup_copper_link - Configure copper link settings
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
 *  Calls the appropriate function to configure the link for auto-neg or forced
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
 *  speed and duplex.  Then we check for link, once link is established calls
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
 *  to configure collision distance and flow control are called.  If link is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
 *  not established, we return -E1000_ERR_PHY (-2).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
s32 e1000e_setup_copper_link(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	if (hw->mac.autoneg) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		 * Setup autoneg and flow control advertisement and perform
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		 * autonegotiation.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		ret_val = e1000_copper_link_autoneg(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
		 * PHY will be set to 10H, 10F, 100H or 100F
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		 * depending on user settings.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		e_dbg("Forcing Speed and Duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		ret_val = e1000_phy_force_speed_duplex(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			e_dbg("Error Forcing Speed and Duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	 * Check link status. Wait up to 100 microseconds for link to become
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
	 * valid.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	ret_val = e1000e_phy_has_link_generic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
					     COPPER_LINK_UP_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
					     10,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
					     &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	if (link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		e_dbg("Valid link established!!!\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		e1000e_config_collision_dist(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
		ret_val = e1000e_config_fc_after_link_up(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		e_dbg("Unable to establish link!!!\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
 *  e1000e_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
 *  Calls the PHY setup function to force speed and duplex.  Clears the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
 *  auto-crossover to force MDI manually.  Waits for link and returns
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
 *  successful if link up is successful, else -E1000_ERR_PHY (-2).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	 * Clear Auto-Crossover to force MDI manually.  IGP requires MDI
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	 * forced whenever speed and duplex are forced.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	e_dbg("IGP PSCR: %X\n", phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	udelay(1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	if (phy->autoneg_wait_to_complete) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		e_dbg("Waiting for forced speed/duplex link on IGP phy.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
		ret_val = e1000e_phy_has_link_generic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
						     PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
						     100000,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
						     &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
		if (!link)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
			e_dbg("Link taking longer than expected.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		/* Try once more */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		ret_val = e1000e_phy_has_link_generic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
						     PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
						     100000,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
						     &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
 *  e1000e_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
 *  Calls the PHY setup function to force speed and duplex.  Clears the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
 *  auto-crossover to force MDI manually.  Resets the PHY to commit the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
 *  changes.  If time expires while waiting for link up, we reset the DSP.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
 *  After reset, TX_CLK and CRS on Tx must be set.  Return successful upon
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
 *  successful completion, else return corresponding error code.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	 * Clear Auto-Crossover to force MDI manually.  M88E1000 requires MDI
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	 * forced whenever speed and duplex are forced.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	e_dbg("M88E1000 PSCR: %X\n", phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	/* Reset the phy to commit changes. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	ret_val = e1000e_commit_phy(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	if (phy->autoneg_wait_to_complete) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		e_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
						     100000, &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
		if (!link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
			if (hw->phy.type != e1000_phy_m88) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
				e_dbg("Link taking longer than expected.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
			} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
				/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
				 * We didn't get link.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
				 * Reset the DSP and cross our fingers.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
				 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
				ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
						   0x001d);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
				if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
					return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
				ret_val = e1000e_phy_reset_dsp(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
				if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
					return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
		/* Try once more */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
						     100000, &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	if (hw->phy.type != e1000_phy_m88)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	 * Resetting the phy means we need to re-force TX_CLK in the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	 * Extended PHY Specific Control Register to 25MHz clock from
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	 * the reset value of 2.5MHz.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	phy_data |= M88E1000_EPSCR_TX_CLK_25;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	 * In addition, we must re-enable CRS on Tx for both half and full
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	 * duplex.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
 *  e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 *  Forces the speed and duplex settings of the PHY.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
 *  This is a function pointer entry point only called by
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
 *  PHY setup routines.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	e1000e_phy_force_speed_duplex_setup(hw, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	ret_val = e1e_wphy(hw, PHY_CONTROL, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	/* Disable MDI-X support for 10/100 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	data &= ~IFE_PMC_AUTO_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	data &= ~IFE_PMC_FORCE_MDIX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	e_dbg("IFE PMC: %X\n", data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	udelay(1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	if (phy->autoneg_wait_to_complete) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		ret_val = e1000e_phy_has_link_generic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		                                     PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		                                     100000,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		                                     &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		if (!link)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
			e_dbg("Link taking longer than expected.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		/* Try once more */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		ret_val = e1000e_phy_has_link_generic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		                                     PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		                                     100000,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
		                                     &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
 *  e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
 *  @phy_ctrl: pointer to current value of PHY_CONTROL
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
 *  Forces speed and duplex on the PHY by doing the following: disable flow
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
 *  control, force speed/duplex on the MAC, disable auto speed detection,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
 *  disable auto-negotiation, configure duplex, configure speed, configure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
 *  the collision distance, write configuration to CTRL register.  The
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
 *  caller must write to the PHY_CONTROL register for these settings to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
 *  take affect.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	struct e1000_mac_info *mac = &hw->mac;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	u32 ctrl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	/* Turn off flow control when forcing speed/duplex */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	hw->fc.current_mode = e1000_fc_none;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	/* Force speed/duplex on the mac */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	ctrl = er32(CTRL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	ctrl &= ~E1000_CTRL_SPD_SEL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	/* Disable Auto Speed Detection */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	ctrl &= ~E1000_CTRL_ASDE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	/* Disable autoneg on the phy */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	*phy_ctrl &= ~MII_CR_AUTO_NEG_EN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	/* Forcing Full or Half Duplex? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
		ctrl &= ~E1000_CTRL_FD;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		*phy_ctrl &= ~MII_CR_FULL_DUPLEX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		e_dbg("Half Duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		ctrl |= E1000_CTRL_FD;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
		*phy_ctrl |= MII_CR_FULL_DUPLEX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		e_dbg("Full Duplex\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	/* Forcing 10mb or 100mb? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		ctrl |= E1000_CTRL_SPD_100;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
		*phy_ctrl |= MII_CR_SPEED_100;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		e_dbg("Forcing 100mb\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
		*phy_ctrl |= MII_CR_SPEED_10;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
		e_dbg("Forcing 10mb\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	e1000e_config_collision_dist(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	ew32(CTRL, ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
 *  e1000e_set_d3_lplu_state - Sets low power link up state for D3
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
 *  @active: boolean used to enable/disable lplu
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
 *  Success returns 0, Failure returns 1
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
 *  The low power link up (lplu) state is set to the power management level D3
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
 *  and SmartSpeed is disabled when active is true, else clear lplu for D3
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
 *  is used during Dx states where the power conservation is most important.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
 *  During driver activity, SmartSpeed should be enabled so performance is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
 *  maintained.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	if (!active) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
		data &= ~IGP02E1000_PM_D3_LPLU;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		 * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		 * during Dx states where the power conservation is most
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		 * important.  During driver activity we should enable
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		 * SmartSpeed, so performance is maintained.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		if (phy->smart_speed == e1000_smart_speed_on) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
					   &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
			data |= IGP01E1000_PSCFR_SMART_SPEED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
					   data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		} else if (phy->smart_speed == e1000_smart_speed_off) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
					   &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
					   data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
				return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		data |= IGP02E1000_PM_D3_LPLU;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		/* When LPLU is enabled, we should disable SmartSpeed */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
 *  e1000e_check_downshift - Checks whether a downshift in speed occurred
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
 *  Success returns 0, Failure returns 1
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
 *  A downshift is detected by querying the PHY link health.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
s32 e1000e_check_downshift(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	u16 phy_data, offset, mask;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	switch (phy->type) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	case e1000_phy_m88:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	case e1000_phy_gg82563:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	case e1000_phy_bm:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	case e1000_phy_82578:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		offset	= M88E1000_PHY_SPEC_STATUS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
		mask	= M88E1000_PSSR_DOWNSHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	case e1000_phy_igp_2:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	case e1000_phy_igp_3:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		offset	= IGP01E1000_PHY_LINK_HEALTH;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		mask	= IGP01E1000_PLHR_SS_DOWNGRADE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		/* speed downshift not supported */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		phy->speed_downgraded = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	ret_val = e1e_rphy(hw, offset, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		phy->speed_downgraded = (phy_data & mask);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 *  e1000_check_polarity_m88 - Checks the polarity.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
 *  Polarity is determined based on the PHY specific status register.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
s32 e1000_check_polarity_m88(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		phy->cable_polarity = (data & M88E1000_PSSR_REV_POLARITY)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
				      ? e1000_rev_polarity_reversed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
				      : e1000_rev_polarity_normal;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
 *  e1000_check_polarity_igp - Checks the polarity.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
 *  Polarity is determined based on the PHY port status register, and the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
 *  current speed (since there is no polarity at 100Mbps).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
s32 e1000_check_polarity_igp(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	u16 data, offset, mask;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	 * Polarity is determined based on the speed of
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	 * our connection.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		offset	= IGP01E1000_PHY_PCS_INIT_REG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		mask	= IGP01E1000_PHY_POLARITY_MASK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		 * This really only applies to 10Mbps since
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		 * there is no polarity for 100Mbps (always 0).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
		offset	= IGP01E1000_PHY_PORT_STATUS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		mask	= IGP01E1000_PSSR_POLARITY_REVERSED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	ret_val = e1e_rphy(hw, offset, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
		phy->cable_polarity = (data & mask)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
				      ? e1000_rev_polarity_reversed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
				      : e1000_rev_polarity_normal;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
 *  e1000_check_polarity_ife - Check cable polarity for IFE PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
 *  Polarity is determined on the polarity reversal feature being enabled.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
s32 e1000_check_polarity_ife(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	u16 phy_data, offset, mask;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	 * Polarity is determined based on the reversal feature being enabled.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	if (phy->polarity_correction) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
		mask = IFE_PESC_POLARITY_REVERSED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		offset = IFE_PHY_SPECIAL_CONTROL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		mask = IFE_PSC_FORCE_POLARITY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	ret_val = e1e_rphy(hw, offset, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		phy->cable_polarity = (phy_data & mask)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		                       ? e1000_rev_polarity_reversed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		                       : e1000_rev_polarity_normal;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
 *  e1000_wait_autoneg - Wait for auto-neg completion
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
 *  Waits for auto-negotiation to complete or for the auto-negotiation time
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
 *  limit to expire, which ever happens first.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	u16 i, phy_status;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	/* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		if (phy_status & MII_SR_AUTONEG_COMPLETE)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		msleep(100);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	 * PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	 * has completed.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
 *  e1000e_phy_has_link_generic - Polls PHY for link
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
 *  @iterations: number of times to poll for link
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
 *  @usec_interval: delay between polling attempts
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
 *  @success: pointer to whether polling was successful or not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
 *  Polls the PHY status register for link, 'iterations' number of times.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
			       u32 usec_interval, bool *success)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	u16 i, phy_status;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	for (i = 0; i < iterations; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		 * Some PHYs require the PHY_STATUS register to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		 * twice due to the link bit being sticky.  No harm doing
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		 * it across the board.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
			 * If the first read fails, another entity may have
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
			 * ownership of the resources, wait and try again to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
			 * see if they have relinquished the resources yet.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
			udelay(usec_interval);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		if (phy_status & MII_SR_LINK_STATUS)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		if (usec_interval >= 1000)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
			mdelay(usec_interval/1000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
			udelay(usec_interval);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	*success = (i < iterations);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
 *  e1000e_get_cable_length_m88 - Determine cable length for m88 PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
 *  Reads the PHY specific status register to retrieve the cable length
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
 *  information.  The cable length is determined by averaging the minimum and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
 *  maximum values to get the "average" cable length.  The m88 PHY has four
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
 *  possible cable length values, which are:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
 *	Register Value		Cable Length
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
 *	0			< 50 meters
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
 *	1			50 - 80 meters
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
 *	2			80 - 110 meters
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
 *	3			110 - 140 meters
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
 *	4			> 140 meters
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
s32 e1000e_get_cable_length_m88(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	u16 phy_data, index;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	        M88E1000_PSSR_CABLE_LENGTH_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		ret_val = -E1000_ERR_PHY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	phy->min_cable_length = e1000_m88_cable_length_table[index];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
 *  e1000e_get_cable_length_igp_2 - Determine cable length for igp2 PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
 *  The automatic gain control (agc) normalizes the amplitude of the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
 *  received signal, adjusting for the attenuation produced by the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
 *  cable.  By reading the AGC registers, which represent the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
 *  combination of coarse and fine gain value, the value can be put
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
 *  into a lookup table to obtain the approximate cable length
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
 *  for each channel.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	u16 phy_data, i, agc_value = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	u16 cur_agc_index, max_agc_index = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	       IGP02E1000_PHY_AGC_A,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	       IGP02E1000_PHY_AGC_B,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	       IGP02E1000_PHY_AGC_C,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	       IGP02E1000_PHY_AGC_D
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	};
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	/* Read the AGC registers for all channels */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		ret_val = e1e_rphy(hw, agc_reg_array[i], &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
		 * Getting bits 15:9, which represent the combination of
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		 * coarse and fine gain values.  The result is a number
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		 * that can be put into the lookup table to obtain the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		 * approximate cable length.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		cur_agc_index = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
				IGP02E1000_AGC_LENGTH_MASK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
		/* Array index bound check. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
		if ((cur_agc_index >= IGP02E1000_CABLE_LENGTH_TABLE_SIZE) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		    (cur_agc_index == 0))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
			return -E1000_ERR_PHY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		/* Remove min & max AGC values from calculation. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		if (e1000_igp_2_cable_length_table[min_agc_index] >
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
		    e1000_igp_2_cable_length_table[cur_agc_index])
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
			min_agc_index = cur_agc_index;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		if (e1000_igp_2_cable_length_table[max_agc_index] <
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
		    e1000_igp_2_cable_length_table[cur_agc_index])
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
			max_agc_index = cur_agc_index;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		agc_value += e1000_igp_2_cable_length_table[cur_agc_index];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		      e1000_igp_2_cable_length_table[max_agc_index]);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	/* Calculate cable length with the error range of +/- 10 meters. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	phy->min_cable_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
				 (agc_value - IGP02E1000_AGC_RANGE) : 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
 *  e1000e_get_phy_info_m88 - Retrieve PHY information
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 *  Valid for only copper links.  Read the PHY status register (sticky read)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
 *  to verify that link is up.  Read the PHY special control register to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
 *  determine the polarity and 10base-T extended distance.  Read the PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
 *  special status register to determine MDI/MDIx and current speed.  If
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
 *  speed is 1000, then determine cable length, local and remote receiver.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	s32  ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	if (phy->media_type != e1000_media_type_copper) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		e_dbg("Phy info is only valid for copper media\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		return -E1000_ERR_CONFIG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	if (!link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
		e_dbg("Phy info is only valid if link is up\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		return -E1000_ERR_CONFIG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	phy->polarity_correction = (phy_data &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
				    M88E1000_PSCR_POLARITY_REVERSAL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	ret_val = e1000_check_polarity_m88(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	phy->is_mdix = (phy_data & M88E1000_PSSR_MDIX);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
		ret_val = e1000_get_cable_length(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		phy->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
				? e1000_1000t_rx_status_ok
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
				: e1000_1000t_rx_status_not_ok;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		phy->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
				 ? e1000_1000t_rx_status_ok
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
				 : e1000_1000t_rx_status_not_ok;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		/* Set values to "undefined" */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		phy->local_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
		phy->remote_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 *  e1000e_get_phy_info_igp - Retrieve igp PHY information
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
 *  Read PHY status to determine if link is up.  If link is up, then
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
 *  set/determine 10base-T extended distance and polarity correction.  Read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
 *  determine on the cable length, local and remote receiver.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	if (!link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		e_dbg("Phy info is only valid if link is up\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
		return -E1000_ERR_CONFIG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	phy->polarity_correction = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	ret_val = e1000_check_polarity_igp(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	phy->is_mdix = (data & IGP01E1000_PSSR_MDIX);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		ret_val = e1000_get_cable_length(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
				? e1000_1000t_rx_status_ok
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
				: e1000_1000t_rx_status_not_ok;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
				 ? e1000_1000t_rx_status_ok
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
				 : e1000_1000t_rx_status_not_ok;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		phy->local_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		phy->remote_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
 *  e1000_get_phy_info_ife - Retrieves various IFE PHY states
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
 *  Populates "phy" structure with various feature states.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	if (!link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
		e_dbg("Phy info is only valid if link is up\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		ret_val = -E1000_ERR_CONFIG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	                           ? false : true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	if (phy->polarity_correction) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
		ret_val = e1000_check_polarity_ife(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
		/* Polarity is forced */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
		phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		                      ? e1000_rev_polarity_reversed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
		                      : e1000_rev_polarity_normal;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	/* The following parameters are undefined for 10/100 operation. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	phy->local_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	phy->remote_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
 *  e1000e_phy_sw_reset - PHY software reset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
 *  Does a software reset of the PHY by reading the PHY control register and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
 *  setting/write the control register reset bit to the PHY.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
s32 e1000e_phy_sw_reset(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	u16 phy_ctrl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	phy_ctrl |= MII_CR_RESET;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	udelay(1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 *  e1000e_phy_hw_reset_generic - PHY hardware reset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 *  Verify the reset block is not blocking us from resetting.  Acquire
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 *  semaphore (if necessary) and read/set/write the device control reset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
 *  bit in the PHY.  Wait the appropriate delay time for the device to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
 *  reset and release the semaphore (if necessary).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	u32 ctrl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	ret_val = e1000_check_reset_block(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	ret_val = phy->ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	ctrl = er32(CTRL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	udelay(phy->reset_delay_us);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	ew32(CTRL, ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	udelay(150);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	phy->ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	return e1000_get_phy_cfg_done(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
 *  e1000e_get_cfg_done - Generic configuration done
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
 *  Generic function to wait 10 milli-seconds for configuration to complete
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
 *  and return success.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
s32 e1000e_get_cfg_done(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	mdelay(10);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
 *  e1000e_phy_init_script_igp3 - Inits the IGP3 PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
 *  Initializes a Intel Gigabit PHY3 when an EEPROM is not present.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	e_dbg("Running IGP 3 PHY init script\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	/* PHY init IGP 3 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	/* Enable rise/fall, 10-mode work in class-A */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	e1e_wphy(hw, 0x2F5B, 0x9018);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	/* Remove all caps from Replica path filter */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	e1e_wphy(hw, 0x2F52, 0x0000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	/* Bias trimming for ADC, AFE and Driver (Default) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	e1e_wphy(hw, 0x2FB1, 0x8B24);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	/* Increase Hybrid poly bias */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	e1e_wphy(hw, 0x2FB2, 0xF8F0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	/* Add 4% to Tx amplitude in Gig mode */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	e1e_wphy(hw, 0x2010, 0x10B0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	/* Disable trimming (TTT) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	e1e_wphy(hw, 0x2011, 0x0000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	/* Poly DC correction to 94.6% + 2% for all channels */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	e1e_wphy(hw, 0x20DD, 0x249A);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	/* ABS DC correction to 95.9% */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	e1e_wphy(hw, 0x20DE, 0x00D3);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	/* BG temp curve trim */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	e1e_wphy(hw, 0x28B4, 0x04CE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	/* Increasing ADC OPAMP stage 1 currents to max */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	e1e_wphy(hw, 0x2F70, 0x29E4);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	/* Force 1000 ( required for enabling PHY regs configuration) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	e1e_wphy(hw, 0x0000, 0x0140);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	/* Set upd_freq to 6 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	e1e_wphy(hw, 0x1F30, 0x1606);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	/* Disable NPDFE */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	e1e_wphy(hw, 0x1F31, 0xB814);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	/* Disable adaptive fixed FFE (Default) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	e1e_wphy(hw, 0x1F35, 0x002A);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	/* Enable FFE hysteresis */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	e1e_wphy(hw, 0x1F3E, 0x0067);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	/* Fixed FFE for short cable lengths */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	e1e_wphy(hw, 0x1F54, 0x0065);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	/* Fixed FFE for medium cable lengths */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	e1e_wphy(hw, 0x1F55, 0x002A);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	/* Fixed FFE for long cable lengths */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	e1e_wphy(hw, 0x1F56, 0x002A);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	/* Enable Adaptive Clip Threshold */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	e1e_wphy(hw, 0x1F72, 0x3FB0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	/* AHT reset limit to 1 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	e1e_wphy(hw, 0x1F76, 0xC0FF);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	/* Set AHT master delay to 127 msec */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	e1e_wphy(hw, 0x1F77, 0x1DEC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	/* Set scan bits for AHT */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	e1e_wphy(hw, 0x1F78, 0xF9EF);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	/* Set AHT Preset bits */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	e1e_wphy(hw, 0x1F79, 0x0210);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	/* Change integ_factor of channel A to 3 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	e1e_wphy(hw, 0x1895, 0x0003);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	/* Change prop_factor of channels BCD to 8 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	e1e_wphy(hw, 0x1796, 0x0008);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	/* Change cg_icount + enable integbp for channels BCD */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	e1e_wphy(hw, 0x1798, 0xD008);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	 * Change cg_icount + enable integbp + change prop_factor_master
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	 * to 8 for channel A
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	e1e_wphy(hw, 0x1898, 0xD918);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	/* Disable AHT in Slave mode on channel A */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	e1e_wphy(hw, 0x187A, 0x0800);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	 * Enable LPLU and disable AN to 1000 in non-D0a states,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	 * Enable SPD+B2B
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	e1e_wphy(hw, 0x0019, 0x008D);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	/* Enable restart AN on an1000_dis change */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	e1e_wphy(hw, 0x001B, 0x2080);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	/* Enable wh_fifo read clock in 10/100 modes */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
	e1e_wphy(hw, 0x0014, 0x0045);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	/* Restart AN, Speed selection is 1000 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	e1e_wphy(hw, 0x0000, 0x1340);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
/* Internal function pointers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
 *  e1000_get_phy_cfg_done - Generic PHY configuration done
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
 *  Return success if silicon family did not implement a family specific
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 *  get_cfg_done function.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	if (hw->phy.ops.get_cfg_done)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
		return hw->phy.ops.get_cfg_done(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
 *  e1000_phy_force_speed_duplex - Generic force PHY speed/duplex
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 *  When the silicon family has not implemented a forced speed/duplex
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 *  function for the PHY, simply return 0.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	if (hw->phy.ops.force_speed_duplex)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
		return hw->phy.ops.force_speed_duplex(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
 *  e1000e_get_phy_type_from_id - Get PHY type from id
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
 *  @phy_id: phy_id read from the phy
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
 *  Returns the phy type from the id.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	enum e1000_phy_type phy_type = e1000_phy_unknown;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	switch (phy_id) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	case M88E1000_I_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	case M88E1000_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	case M88E1111_I_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	case M88E1011_I_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		phy_type = e1000_phy_m88;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	case IGP01E1000_I_PHY_ID: /* IGP 1 & 2 share this */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		phy_type = e1000_phy_igp_2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	case GG82563_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		phy_type = e1000_phy_gg82563;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	case IGP03E1000_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		phy_type = e1000_phy_igp_3;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	case IFE_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	case IFE_PLUS_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	case IFE_C_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		phy_type = e1000_phy_ife;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	case BME1000_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	case BME1000_E_PHY_ID_R2:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		phy_type = e1000_phy_bm;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	case I82578_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		phy_type = e1000_phy_82578;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	case I82577_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		phy_type = e1000_phy_82577;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	case I82579_E_PHY_ID:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
		phy_type = e1000_phy_82579;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		phy_type = e1000_phy_unknown;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	return phy_type;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
 *  e1000e_determine_phy_address - Determines PHY address.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
 *  This uses a trial and error method to loop through possible PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
 *  addresses. It tests each by reading the PHY ID registers and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
 *  checking for a match.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
s32 e1000e_determine_phy_address(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	s32 ret_val = -E1000_ERR_PHY_TYPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	u32 phy_addr = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	u32 i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	enum e1000_phy_type phy_type = e1000_phy_unknown;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	hw->phy.id = phy_type;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	for (phy_addr = 0; phy_addr < E1000_MAX_PHY_ADDR; phy_addr++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		hw->phy.addr = phy_addr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		do {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			e1000e_get_phy_id(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
			phy_type = e1000e_get_phy_type_from_id(hw->phy.id);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
			 * If phy_type is valid, break - we found our
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
			 * PHY address
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
			if (phy_type  != e1000_phy_unknown) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
				ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
				goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
			usleep_range(1000, 2000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
			i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		} while (i < 10);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
 *  e1000_get_phy_addr_for_bm_page - Retrieve PHY page address
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
 *  @page: page to access
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
 *  Returns the phy address for the page requested.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	u32 phy_addr = 2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	if ((page >= 768) || (page == 0 && reg == 25) || (reg == 31))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		phy_addr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	return phy_addr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
 *  e1000e_write_phy_reg_bm - Write BM PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
 *  Acquires semaphore, if necessary, then writes the data to PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
 *  at the offset.  Release any acquired semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	u32 page = offset >> IGP_PAGE_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	/* Page 800 works differently than the rest so it has its own func */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	if (page == BM_WUC_PAGE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
							 false, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		u32 page_shift, page_select;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		 * Page select is register 31 for phy address 1 and 22 for
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
		 * phy address 2 and 3. Page select is shifted only for
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		 * phy address 1.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		if (hw->phy.addr == 1) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
			page_shift = IGP_PAGE_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
			page_select = IGP01E1000_PHY_PAGE_SELECT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
			page_shift = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
			page_select = BM_PHY_PAGE_SELECT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		/* Page is shifted left, PHY expects (page x 32) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		                                    (page << page_shift));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	                                    data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
 *  e1000e_read_phy_reg_bm - Read BM PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
 *  and storing the retrieved information in data.  Release any acquired
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
 *  semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	u32 page = offset >> IGP_PAGE_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	/* Page 800 works differently than the rest so it has its own func */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	if (page == BM_WUC_PAGE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
							 true, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		u32 page_shift, page_select;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		 * Page select is register 31 for phy address 1 and 22 for
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		 * phy address 2 and 3. Page select is shifted only for
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		 * phy address 1.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		if (hw->phy.addr == 1) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
			page_shift = IGP_PAGE_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
			page_select = IGP01E1000_PHY_PAGE_SELECT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
			page_shift = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
			page_select = BM_PHY_PAGE_SELECT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
		/* Page is shifted left, PHY expects (page x 32) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		                                    (page << page_shift));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	                                   data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
 *  e1000e_read_phy_reg_bm2 - Read BM PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
 *  and storing the retrieved information in data.  Release any acquired
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
 *  semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	/* Page 800 works differently than the rest so it has its own func */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	if (page == BM_WUC_PAGE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
							 true, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	hw->phy.addr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		/* Page is shifted left, PHY expects (page x 32) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
						    page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
					   data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
 *  e1000e_write_phy_reg_bm2 - Write BM PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
 *  Acquires semaphore, if necessary, then writes the data to PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
 *  at the offset.  Release any acquired semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	/* Page 800 works differently than the rest so it has its own func */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	if (page == BM_WUC_PAGE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
							 false, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	hw->phy.addr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		/* Page is shifted left, PHY expects (page x 32) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
						    page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
					    data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *  e1000_enable_phy_wakeup_reg_access_bm - enable access to BM wakeup registers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 *  @phy_reg: pointer to store original contents of BM_WUC_ENABLE_REG
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
 *  Assumes semaphore already acquired and phy_reg points to a valid memory
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
 *  address to store contents of the BM_WUC_ENABLE_REG register.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	u16 temp;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	/* All page select, port ctrl and wakeup registers use phy address 1 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	hw->phy.addr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	/* Select Port Control Registers page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		e_dbg("Could not set Port Control page\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
	ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		e_dbg("Could not read PHY register %d.%d\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
	 * Enable both PHY wakeup mode and Wakeup register page writes.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	 * Prevent a power state change by disabling ME and Host PHY wakeup.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	temp = *phy_reg;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	temp |= BM_WUC_ENABLE_BIT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	temp &= ~(BM_WUC_ME_WU_BIT | BM_WUC_HOST_WU_BIT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, temp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
		e_dbg("Could not write PHY register %d.%d\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	/* Select Host Wakeup Registers page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	ret_val = e1000_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	/* caller now able to write registers on the Wakeup registers page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 *  e1000_disable_phy_wakeup_reg_access_bm - disable access to BM wakeup regs
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
 *  @phy_reg: pointer to original contents of BM_WUC_ENABLE_REG
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
 *  Restore BM_WUC_ENABLE_REG to its original value.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
 *  Assumes semaphore already acquired and *phy_reg is the contents of the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
 *  BM_WUC_ENABLE_REG before register(s) on BM_WUC_PAGE were accessed by
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
 *  caller.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	/* Select Port Control Registers page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
		e_dbg("Could not set Port Control page\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	/* Restore 769.17 to its original value */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, *phy_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		e_dbg("Could not restore PHY register %d.%d\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 *  e1000_access_phy_wakeup_reg_bm - Read/write BM PHY wakeup register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
 *  @offset: register offset to be read or written
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
 *  @data: pointer to the data to read or write
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
 *  @read: determines if operation is read or write
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
 *  @page_set: BM_WUC_PAGE already set and access enabled
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
 *  Read the PHY register at offset and store the retrieved information in
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
 *  data, or write data to PHY register at offset.  Note the procedure to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
 *  access the PHY wakeup registers is different than reading the other PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
 *  registers. It works as such:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
 *  1) Set 769.17.2 (page 769, register 17, bit 2) = 1
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
 *  2) Set page to 800 for host (801 if we were manageability)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
 *  3) Write the address using the address opcode (0x11)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
 *  4) Read or write the data using the data opcode (0x12)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
 *  5) Restore 769.17.2 to its original value
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
 *  Steps 1 and 2 are done by e1000_enable_phy_wakeup_reg_access_bm() and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 *  step 5 is done by e1000_disable_phy_wakeup_reg_access_bm().
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
 *  Assumes semaphore is already acquired.  When page_set==true, assumes
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
 *  the PHY page is set to BM_WUC_PAGE (i.e. a function in the call stack
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
 *  is responsible for calls to e1000_[enable|disable]_phy_wakeup_reg_bm()).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
					  u16 *data, bool read, bool page_set)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	u16 reg = BM_PHY_REG_NUM(offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	u16 page = BM_PHY_REG_PAGE(offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	u16 phy_reg = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	/* Gig must be disabled for MDIO accesses to Host Wakeup reg page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	if ((hw->mac.type == e1000_pchlan) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	    (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		e_dbg("Attempting to access page %d while gig enabled.\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
		      page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	if (!page_set) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		/* Enable access to PHY wakeup registers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
			e_dbg("Could not enable PHY wakeup reg access\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	e_dbg("Accessing PHY page %d reg 0x%x\n", page, reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	/* Write the Wakeup register page offset value using opcode 0x11 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		e_dbg("Could not write address opcode to page %d\n", page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	if (read) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		/* Read the Wakeup register page value using opcode 0x12 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		                                   data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		/* Write the Wakeup register page value using opcode 0x12 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
						    *data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		e_dbg("Could not access PHY reg %d.%d\n", page, reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	if (!page_set)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		ret_val = e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
 * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
 * @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
 * In the case of a PHY power down to save power, or to turn off link during a
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
 * driver unload, or wake on lan is not enabled, restore the link to previous
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
 * settings.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
void e1000_power_up_phy_copper(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	u16 mii_reg = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	/* The PHY will retain its settings across a power down/up cycle */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	mii_reg &= ~MII_CR_POWER_DOWN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	e1e_wphy(hw, PHY_CONTROL, mii_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
 * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
 * @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
 * In the case of a PHY power down to save power, or to turn off link during a
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
 * driver unload, or wake on lan is not enabled, restore the link to previous
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
 * settings.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
void e1000_power_down_phy_copper(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	u16 mii_reg = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	/* The PHY will retain its settings across a power down/up cycle */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	mii_reg |= MII_CR_POWER_DOWN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	e1e_wphy(hw, PHY_CONTROL, mii_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	usleep_range(1000, 2000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
 *  e1000e_commit_phy - Soft PHY reset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
 *  Performs a soft PHY reset on those that apply. This is a function pointer
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
 *  entry point called by drivers.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
s32 e1000e_commit_phy(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	if (hw->phy.ops.commit)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		return hw->phy.ops.commit(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
 *  e1000_set_d0_lplu_state - Sets low power link up state for D0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
 *  @active: boolean used to enable/disable lplu
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
 *  Success returns 0, Failure returns 1
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
 *  The low power link up (lplu) state is set to the power management level D0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
 *  and SmartSpeed is disabled when active is true, else clear lplu for D0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
 *  is used during Dx states where the power conservation is most important.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
 *  During driver activity, SmartSpeed should be enabled so performance is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
 *  maintained.  This is a function pointer entry point called by drivers.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	if (hw->phy.ops.set_d0_lplu_state)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		return hw->phy.ops.set_d0_lplu_state(hw, active);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
 *  __e1000_read_phy_reg_hv -  Read HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
 *  @locked: semaphore has already been acquired or not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
 *  and stores the retrieved information in data.  Release any acquired
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
 *  semaphore before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
				   bool locked, bool page_set)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	u16 page = BM_PHY_REG_PAGE(offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	u16 reg = BM_PHY_REG_NUM(offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	u32 phy_addr = hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	if (!locked) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	/* Page 800 works differently than the rest so it has its own func */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	if (page == BM_WUC_PAGE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
							 true, page_set);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		                                         data, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	if (!page_set) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		if (page == HV_INTC_FC_PAGE_START)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
			page = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		if (reg > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
			/* Page is shifted left, PHY expects (page x 32) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
			ret_val = e1000_set_page_igp(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
						     (page << IGP_PAGE_SHIFT));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
			hw->phy.addr = phy_addr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
				goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	e_dbg("reading PHY page %d (or 0x%x shifted) reg 0x%x\n", page,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	      page << IGP_PAGE_SHIFT, reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	                                  data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	if (!locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
 *  e1000_read_phy_reg_hv -  Read HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
 *  Acquires semaphore then reads the PHY register at offset and stores
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
 *  the retrieved information in data.  Release the acquired semaphore
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
 *  before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	return __e1000_read_phy_reg_hv(hw, offset, data, false, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
 *  e1000_read_phy_reg_hv_locked -  Read HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
 *  @offset: register offset to be read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
 *  @data: pointer to the read data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
 *  Reads the PHY register at offset and stores the retrieved information
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
 *  in data.  Assumes semaphore already acquired.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	return __e1000_read_phy_reg_hv(hw, offset, data, true, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
 *  e1000_read_phy_reg_page_hv - Read HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
 *  Reads the PHY register at offset and stores the retrieved information
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
 *  in data.  Assumes semaphore already acquired and page already set.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
s32 e1000_read_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, u16 *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	return __e1000_read_phy_reg_hv(hw, offset, data, true, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
 *  __e1000_write_phy_reg_hv - Write HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
 *  @locked: semaphore has already been acquired or not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
 *  Acquires semaphore, if necessary, then writes the data to PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
 *  at the offset.  Release any acquired semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
				    bool locked, bool page_set)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	u16 page = BM_PHY_REG_PAGE(offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	u16 reg = BM_PHY_REG_NUM(offset);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	u32 phy_addr = hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	if (!locked) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
			return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	/* Page 800 works differently than the rest so it has its own func */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	if (page == BM_WUC_PAGE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
							 false, page_set);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		                                         &data, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	if (!page_set) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		if (page == HV_INTC_FC_PAGE_START)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
			page = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
		 * Workaround MDIO accesses being disabled after entering IEEE
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		 * Power Down (when bit 11 of the PHY Control register is set)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		if ((hw->phy.type == e1000_phy_82578) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		    (hw->phy.revision >= 1) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		    (hw->phy.addr == 2) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		    ((MAX_PHY_REG_ADDRESS & reg) == 0) && (data & (1 << 11))) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
			u16 data2 = 0x7EFF;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			ret_val = e1000_access_phy_debug_regs_hv(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
								 (1 << 6) | 0x3,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
								 &data2, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
				goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
		if (reg > MAX_PHY_MULTI_PAGE_REG) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
			/* Page is shifted left, PHY expects (page x 32) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
			ret_val = e1000_set_page_igp(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
						     (page << IGP_PAGE_SHIFT));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
			hw->phy.addr = phy_addr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
			if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
				goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	e_dbg("writing PHY page %d (or 0x%x shifted) reg 0x%x\n", page,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	      page << IGP_PAGE_SHIFT, reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	                                  data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	if (!locked)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
 *  e1000_write_phy_reg_hv - Write HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
 *  Acquires semaphore then writes the data to PHY register at the offset.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
 *  Release the acquired semaphores before exiting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	return __e1000_write_phy_reg_hv(hw, offset, data, false, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
 *  e1000_write_phy_reg_hv_locked - Write HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
 *  Writes the data to PHY register at the offset.  Assumes semaphore
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 *  already acquired.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	return __e1000_write_phy_reg_hv(hw, offset, data, true, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
 *  e1000_write_phy_reg_page_hv - Write HV PHY register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
 *  @offset: register offset to write to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
 *  @data: data to write at register offset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
 *  Writes the data to PHY register at the offset.  Assumes semaphore
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
 *  already acquired and page already set.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
s32 e1000_write_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, u16 data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	return __e1000_write_phy_reg_hv(hw, offset, data, true, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
 *  e1000_get_phy_addr_for_hv_page - Get PHY address based on page
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
 *  @page: page to be accessed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
static u32 e1000_get_phy_addr_for_hv_page(u32 page)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	u32 phy_addr = 2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	if (page >= HV_INTC_FC_PAGE_START)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
		phy_addr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	return phy_addr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
 *  e1000_access_phy_debug_regs_hv - Read HV PHY vendor specific high registers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
 *  @offset: register offset to be read or written
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
 *  @data: pointer to the data to be read or written
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
 *  @read: determines if operation is read or write
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
 *  Reads the PHY register at offset and stores the retreived information
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
 *  in data.  Assumes semaphore already acquired.  Note that the procedure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
 *  to access these regs uses the address port and data port to read/write.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
 *  These accesses done with PHY address 2 and without using pages.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
                                          u16 *data, bool read)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	u32 addr_reg = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	u32 data_reg = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	/* This takes care of the difference with desktop vs mobile phy */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	addr_reg = (hw->phy.type == e1000_phy_82578) ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	           I82578_ADDR_REG : I82577_ADDR_REG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	data_reg = addr_reg + 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	/* All operations in this function are phy address 2 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	hw->phy.addr = 2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	/* masking with 0x3F to remove the page from offset */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		e_dbg("Could not write the Address Offset port register\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	/* Read or write the data value next */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	if (read)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
		ret_val = e1000e_read_phy_reg_mdic(hw, data_reg, data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	if (ret_val) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		e_dbg("Could not access the Data port register\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
 *  e1000_link_stall_workaround_hv - Si workaround
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
 *  This function works around a Si bug where the link partner can get
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
 *  a link up indication before the PHY does.  If small packets are sent
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
 *  by the link partner they can be placed in the packet buffer without
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
 *  being properly accounted for by the PHY and will stall preventing
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
 *  further packets from being received.  The workaround is to clear the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
 *  packet buffer after the PHY detects link up.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	if (hw->phy.type != e1000_phy_82578)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	/* Do not apply workaround if in PHY loopback bit 14 set */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	e1e_rphy(hw, PHY_CONTROL, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	if (data & PHY_CONTROL_LB)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	/* check if link is up and at 1Gbps */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	ret_val = e1e_rphy(hw, BM_CS_STATUS, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	data &= BM_CS_STATUS_LINK_UP |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	        BM_CS_STATUS_RESOLVED |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	        BM_CS_STATUS_SPEED_MASK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	if (data != (BM_CS_STATUS_LINK_UP |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	             BM_CS_STATUS_RESOLVED |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	             BM_CS_STATUS_SPEED_1000))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	mdelay(200);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	/* flush the packets in the fifo buffer */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
			   HV_MUX_DATA_CTRL_FORCE_SPEED);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
 *  e1000_check_polarity_82577 - Checks the polarity.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
 *  Polarity is determined based on the PHY specific status register.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
s32 e1000_check_polarity_82577(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		phy->cable_polarity = (data & I82577_PHY_STATUS2_REV_POLARITY)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		                      ? e1000_rev_polarity_reversed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		                      : e1000_rev_polarity_normal;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
 *  e1000_phy_force_speed_duplex_82577 - Force speed/duplex for I82577 PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
 *  Calls the PHY setup function to force speed and duplex.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	udelay(1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	if (phy->autoneg_wait_to_complete) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		e_dbg("Waiting for forced speed/duplex link on 82577 phy\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
		ret_val = e1000e_phy_has_link_generic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
		                                     PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		                                     100000,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
		                                     &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		if (!link)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
			e_dbg("Link taking longer than expected.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
		/* Try once more */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
		ret_val = e1000e_phy_has_link_generic(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
		                                     PHY_FORCE_LIMIT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
		                                     100000,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
		                                     &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
 *  e1000_get_phy_info_82577 - Retrieve I82577 PHY information
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
 *  Read PHY status to determine if link is up.  If link is up, then
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
 *  set/determine 10base-T extended distance and polarity correction.  Read
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
 *  determine on the cable length, local and remote receiver.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	u16 data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	bool link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	if (!link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		e_dbg("Phy info is only valid if link is up\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		ret_val = -E1000_ERR_CONFIG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	phy->polarity_correction = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	ret_val = e1000_check_polarity_82577(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	phy->is_mdix = (data & I82577_PHY_STATUS2_MDIX) ? true : false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	if ((data & I82577_PHY_STATUS2_SPEED_MASK) ==
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	    I82577_PHY_STATUS2_SPEED_1000MBPS) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		ret_val = hw->phy.ops.get_cable_length(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
			goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		                ? e1000_1000t_rx_status_ok
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		                : e1000_1000t_rx_status_not_ok;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		                 ? e1000_1000t_rx_status_ok
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
		                 : e1000_1000t_rx_status_not_ok;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		phy->local_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		phy->remote_rx = e1000_1000t_rx_status_undefined;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
 *  e1000_get_cable_length_82577 - Determine cable length for 82577 PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
 * Reads the diagnostic status register and verifies result is valid before
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
 * placing it in the phy_cable_length field.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	struct e1000_phy_info *phy = &hw->phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	u16 phy_data, length;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	ret_val = e1e_rphy(hw, I82577_PHY_DIAG_STATUS, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	length = (phy_data & I82577_DSTATUS_CABLE_LENGTH) >>
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	         I82577_DSTATUS_CABLE_LENGTH_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	if (length == E1000_CABLE_LENGTH_UNDEFINED)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
		ret_val = -E1000_ERR_PHY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	phy->cable_length = length;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	return ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
}