devices/e1000e/phy-2.6.37-orig.c
author Florian Pose <fp@igh-essen.com>
Tue, 12 Feb 2013 10:32:37 +0100
branchstable-1.5
changeset 2516 3680924f6f87
parent 2219 d52848f0be04
permissions -rw-r--r--
Replaced VM_RESERVED for kernel 3.7.
2219
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2010 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.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);
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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;
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	manc = er32(MANC);
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	return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ?
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	       E1000_BLK_PHY_RESET : 0;
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}
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/**
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 *  e1000e_get_phy_id - Retrieve the PHY ID and revision
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 *  @hw: pointer to the HW structure
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 *
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 *  Reads the PHY registers and stores the PHY ID and possibly the PHY
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 *  revision in the hardware structure.
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 **/
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Florian Pose <fp@igh-essen.com>
parents:
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;
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parents:
diff changeset
   131
	s32 ret_val = 0;
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   132
	u16 phy_id;
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diff changeset
   133
	u16 retry_count = 0;
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parents:
diff changeset
   134
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parents:
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   135
	if (!(phy->ops.read_reg))
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parents:
diff changeset
   136
		goto out;
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parents:
diff changeset
   137
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   138
	while (retry_count < 2) {
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   139
		ret_val = e1e_rphy(hw, PHY_ID1, &phy_id);
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   140
		if (ret_val)
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parents:
diff changeset
   141
			goto out;
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parents:
diff changeset
   142
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
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   143
		phy->id = (u32)(phy_id << 16);
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   144
		udelay(20);
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parents:
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   145
		ret_val = e1e_rphy(hw, PHY_ID2, &phy_id);
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parents:
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   146
		if (ret_val)
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parents:
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   147
			goto out;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   148
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parents:
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   149
		phy->id |= (u32)(phy_id & PHY_REVISION_MASK);
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Florian Pose <fp@igh-essen.com>
parents:
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   150
		phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);
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parents:
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   151
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
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   152
		if (phy->id != 0 && phy->id != PHY_REVISION_MASK)
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parents:
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   153
			goto out;
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parents:
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   154
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
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   155
		retry_count++;
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parents:
diff changeset
   156
	}
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parents:
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   157
out:
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parents:
diff changeset
   158
	return ret_val;
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parents:
diff changeset
   159
}
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parents:
diff changeset
   160
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
/**
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
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   162
 *  e1000e_phy_reset_dsp - Reset PHY DSP
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parents:
diff changeset
   163
 *  @hw: pointer to the HW structure
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parents:
diff changeset
   164
 *
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parents:
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   165
 *  Reset the digital signal processor.
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parents:
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   166
 **/
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parents:
diff changeset
   167
s32 e1000e_phy_reset_dsp(struct e1000_hw *hw)
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parents:
diff changeset
   168
{
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parents:
diff changeset
   169
	s32 ret_val;
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parents:
diff changeset
   170
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
	ret_val = e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);
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parents:
diff changeset
   172
	if (ret_val)
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
		return ret_val;
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parents:
diff changeset
   174
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
	return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
}
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parents:
diff changeset
   177
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
 *  e1000e_read_phy_reg_mdic - Read MDI control register
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parents:
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   180
 *  @hw: pointer to the HW structure
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
 *  @offset: register offset to be read
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
 *  Reads the MDI control register in the PHY at offset and stores the
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   185
 *  information read to data.
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
	u32 i, mdic = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
	if (offset > MAX_PHY_REG_ADDRESS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
		e_dbg("PHY Address %d is out of range\n", offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
		return -E1000_ERR_PARAM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
	 * Set up Op-code, Phy Address, and register offset in the MDI
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
	 * Control register.  The MAC will take care of interfacing with the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
	 * PHY to retrieve the desired data.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
	mdic = ((offset << E1000_MDIC_REG_SHIFT) |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
		(phy->addr << E1000_MDIC_PHY_SHIFT) |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
		(E1000_MDIC_OP_READ));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
	ew32(MDIC, mdic);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	 * Poll the ready bit to see if the MDI read completed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
	 * Increasing the time out as testing showed failures with
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
	 * the lower time out
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
		udelay(50);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
		mdic = er32(MDIC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
		if (mdic & E1000_MDIC_READY)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
	if (!(mdic & E1000_MDIC_READY)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
		e_dbg("MDI Read did not complete\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
		return -E1000_ERR_PHY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
	if (mdic & E1000_MDIC_ERROR) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
		e_dbg("MDI Error\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
		return -E1000_ERR_PHY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	*data = (u16) mdic;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
	 * Allow some time after each MDIC transaction to avoid
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	 * reading duplicate data in the next MDIC transaction.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	if (hw->mac.type == e1000_pch2lan)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
		udelay(100);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
 *  e1000e_write_phy_reg_mdic - Write MDI control register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
 *  @data: data to write to register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
 *  Writes data to MDI control register in the PHY at offset.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	u32 i, mdic = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	if (offset > MAX_PHY_REG_ADDRESS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
		e_dbg("PHY Address %d is out of range\n", offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
		return -E1000_ERR_PARAM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 * Set up Op-code, Phy Address, and register offset in the MDI
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 * Control register.  The MAC will take care of interfacing with the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 * PHY to retrieve the desired data.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	mdic = (((u32)data) |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
		(offset << E1000_MDIC_REG_SHIFT) |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
		(phy->addr << E1000_MDIC_PHY_SHIFT) |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
		(E1000_MDIC_OP_WRITE));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	ew32(MDIC, mdic);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	 * Poll the ready bit to see if the MDI read completed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	 * Increasing the time out as testing showed failures with
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
	 * the lower time out
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		udelay(50);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
		mdic = er32(MDIC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
		if (mdic & E1000_MDIC_READY)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
	if (!(mdic & E1000_MDIC_READY)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
		e_dbg("MDI Write did not complete\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
		return -E1000_ERR_PHY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	if (mdic & E1000_MDIC_ERROR) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		e_dbg("MDI Error\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
		return -E1000_ERR_PHY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
	 * Allow some time after each MDIC transaction to avoid
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	 * reading duplicate data in the next MDIC transaction.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	if (hw->mac.type == e1000_pch2lan)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		udelay(100);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
 *  e1000e_read_phy_reg_m88 - Read m88 PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
 *  and storing the retrieved information in data.  Release any acquired
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
 *  semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
					   data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
 *  e1000e_write_phy_reg_m88 - Write m88 PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
 *  Acquires semaphore, if necessary, then writes the data to PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
 *  at the offset.  Release any acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
					    data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
 *  __e1000e_read_phy_reg_igp - Read igp PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
 *  @locked: semaphore has already been acquired or not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
 *  and stores the retrieved information in data.  Release any acquired
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
 *  semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
                                    bool locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	if (!locked) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		if (!(hw->phy.ops.acquire))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		ret_val = e1000e_write_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
						    IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
						    (u16)offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
			goto release;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
	                                  data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
release:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
	if (!locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
 *  e1000e_read_phy_reg_igp - Read igp PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
 *  Acquires semaphore then reads the PHY register at offset and stores the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 *  retrieved information in data.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
 *  Release the acquired semaphore before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	return __e1000e_read_phy_reg_igp(hw, offset, data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
 *  e1000e_read_phy_reg_igp_locked - Read igp PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
 *  Reads the PHY register at offset and stores the retrieved information
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
 *  in data.  Assumes semaphore already acquired.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	return __e1000e_read_phy_reg_igp(hw, offset, data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
 *  e1000e_write_phy_reg_igp - Write igp PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
 *  @locked: semaphore has already been acquired or not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
 *  Acquires semaphore, if necessary, then writes the data to PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 *  at the offset.  Release any acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
                                     bool locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	if (!locked) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
		if (!(hw->phy.ops.acquire))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
		ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		ret_val = e1000e_write_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
						    IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
						    (u16)offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
			goto release;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
					    data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
release:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	if (!locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
 *  e1000e_write_phy_reg_igp - Write igp PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
 *  Acquires semaphore then writes the data to PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
 *  at the offset.  Release any acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	return __e1000e_write_phy_reg_igp(hw, offset, data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
 *  e1000e_write_phy_reg_igp_locked - Write igp PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
 *  Writes the data to PHY register at the offset.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
 *  Assumes semaphore already acquired.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	return __e1000e_write_phy_reg_igp(hw, offset, data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
 *  __e1000_read_kmrn_reg - Read kumeran register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
 *  @locked: semaphore has already been acquired or not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
 *  Acquires semaphore, if necessary.  Then reads the PHY register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
 *  using the kumeran interface.  The information retrieved is stored in data.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
 *  Release any acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
                                 bool locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
	u32 kmrnctrlsta;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	if (!locked) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		if (!(hw->phy.ops.acquire))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		       E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	ew32(KMRNCTRLSTA, kmrnctrlsta);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	udelay(2);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	kmrnctrlsta = er32(KMRNCTRLSTA);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	*data = (u16)kmrnctrlsta;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	if (!locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
 *  e1000e_read_kmrn_reg -  Read kumeran register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
 *  Acquires semaphore then reads the PHY register at offset using the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
 *  kumeran interface.  The information retrieved is stored in data.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
 *  Release the acquired semaphore before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	return __e1000_read_kmrn_reg(hw, offset, data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
 *  e1000e_read_kmrn_reg_locked -  Read kumeran register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
 *  Reads the PHY register at offset using the kumeran interface.  The
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
 *  information retrieved is stored in data.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
 *  Assumes semaphore already acquired.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	return __e1000_read_kmrn_reg(hw, offset, data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
 *  __e1000_write_kmrn_reg - Write kumeran register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
 *  @locked: semaphore has already been acquired or not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
 *  Acquires semaphore, if necessary.  Then write the data to PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
 *  at the offset using the kumeran interface.  Release any acquired semaphores
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
 *  before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
                                  bool locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	u32 kmrnctrlsta;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	if (!locked) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		if (!(hw->phy.ops.acquire))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		       E1000_KMRNCTRLSTA_OFFSET) | data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	ew32(KMRNCTRLSTA, kmrnctrlsta);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	udelay(2);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	if (!locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
 *  e1000e_write_kmrn_reg -  Write kumeran register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
 *  Acquires semaphore then writes the data to the PHY register at the offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
 *  using the kumeran interface.  Release the acquired semaphore before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	return __e1000_write_kmrn_reg(hw, offset, data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
 *  e1000e_write_kmrn_reg_locked -  Write kumeran register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
 *  Write the data to PHY register at the offset using the kumeran interface.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
 *  Assumes semaphore already acquired.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	return __e1000_write_kmrn_reg(hw, offset, data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
 *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
 *  Sets up Carrier-sense on Transmit and downshift values.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	/* Enable CRS on TX. This must be set for half-duplex operation. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	ret_val = phy->ops.read_reg(hw, I82577_CFG_REG, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	phy_data |= I82577_CFG_ASSERT_CRS_ON_TX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	/* Enable downshift */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	ret_val = phy->ops.write_reg(hw, I82577_CFG_REG, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
 *  e1000e_copper_link_setup_m88 - Setup m88 PHY's for copper link
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
 *  Sets up MDI/MDI-X and polarity for m88 PHY's.  If necessary, transmit clock
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
 *  and downshift values are set also.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	/* Enable CRS on Tx. This must be set for half-duplex operation. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	/* For BM PHY this bit is downshift enable */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	if (phy->type != e1000_phy_bm)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	 * Options:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	 *   MDI/MDI-X = 0 (default)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	 *   0 - Auto for all speeds
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	 *   1 - MDI mode
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	 *   2 - MDI-X mode
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	switch (phy->mdix) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	case 1:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	case 2:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	case 3:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	case 0:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	 * Options:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	 *   disable_polarity_correction = 0 (default)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	 *       Automatic Correction for Reversed Cable Polarity
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	 *   0 - Disabled
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	 *   1 - Enabled
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	if (phy->disable_polarity_correction == 1)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	/* Enable downshift on BM (disabled by default) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	if (phy->type == e1000_phy_bm)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		phy_data |= BME1000_PSCR_ENABLE_DOWNSHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	if ((phy->type == e1000_phy_m88) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	    (phy->revision < E1000_REVISION_4) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	    (phy->id != BME1000_E_PHY_ID_R2)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		 * Force TX_CLK in the Extended PHY Specific Control Register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		 * to 25MHz clock.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		if ((phy->revision == 2) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		    (phy->id == M88E1111_I_PHY_ID)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
			/* 82573L PHY - set the downshift counter to 5x. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
			phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
			/* Configure Master and Slave downshift values */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	if ((phy->type == e1000_phy_bm) && (phy->id == BME1000_E_PHY_ID_R2)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		/* Set PHY page 0, register 29 to 0x0003 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		ret_val = e1e_wphy(hw, 29, 0x0003);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		/* Set PHY page 0, register 30 to 0x0000 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		ret_val = e1e_wphy(hw, 30, 0x0000);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	/* Commit the changes. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	ret_val = e1000e_commit_phy(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		e_dbg("Error committing the PHY changes\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	if (phy->type == e1000_phy_82578) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		                            &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		/* 82578 PHY - set the downshift count to 1x. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		                             phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
 *  e1000e_copper_link_setup_igp - Setup igp PHY's for copper link
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
 *  Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
 *  igp PHY's.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	ret_val = e1000_phy_hw_reset(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		e_dbg("Error resetting the PHY.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	 * Wait 100ms for MAC to configure PHY from NVM settings, to avoid
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	 * timeout issues when LFS is enabled.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	msleep(100);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	/* disable lplu d0 during driver init */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	ret_val = e1000_set_d0_lplu_state(hw, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		e_dbg("Error Disabling LPLU D0\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	/* Configure mdi-mdix settings */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	data &= ~IGP01E1000_PSCR_AUTO_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	switch (phy->mdix) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	case 1:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
		data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	case 2:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	case 0:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		data |= IGP01E1000_PSCR_AUTO_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	/* set auto-master slave resolution settings */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	if (hw->mac.autoneg) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		 * when autonegotiation advertisement is only 1000Mbps then we
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		 * should disable SmartSpeed and enable Auto MasterSlave
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		 * resolution as hardware default.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
		if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
			/* Disable SmartSpeed */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
					   &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
					   data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
			/* Set auto Master/Slave resolution process */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
			ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
			data &= ~CR_1000T_MS_ENABLE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
			ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		/* load defaults for future use */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		phy->original_ms_type = (data & CR_1000T_MS_ENABLE) ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
			((data & CR_1000T_MS_VALUE) ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
			e1000_ms_force_master :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
			e1000_ms_force_slave) :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
			e1000_ms_auto;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		switch (phy->ms_type) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		case e1000_ms_force_master:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
			data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		case e1000_ms_force_slave:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
			data |= CR_1000T_MS_ENABLE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
			data &= ~(CR_1000T_MS_VALUE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		case e1000_ms_auto:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
			data &= ~CR_1000T_MS_ENABLE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
 *  e1000_phy_setup_autoneg - Configure PHY for auto-negotiation
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
 *  Reads the MII auto-neg advertisement register and/or the 1000T control
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
 *  register and if the PHY is already setup for auto-negotiation, then
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
 *  return successful.  Otherwise, setup advertisement and flow control to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
 *  the appropriate values for the wanted auto-negotiation.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	u16 mii_autoneg_adv_reg;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	u16 mii_1000t_ctrl_reg = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	phy->autoneg_advertised &= phy->autoneg_mask;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	ret_val = e1e_rphy(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		/* Read the MII 1000Base-T Control Register (Address 9). */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	 * Need to parse both autoneg_advertised and fc and set up
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	 * the appropriate PHY registers.  First we will parse for
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	 * autoneg_advertised software override.  Since we can advertise
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	 * a plethora of combinations, we need to check each bit
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	 * individually.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	 * First we clear all the 10/100 mb speed bits in the Auto-Neg
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	 * the  1000Base-T Control Register (Address 9).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	mii_autoneg_adv_reg &= ~(NWAY_AR_100TX_FD_CAPS |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
				 NWAY_AR_100TX_HD_CAPS |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
				 NWAY_AR_10T_FD_CAPS   |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
				 NWAY_AR_10T_HD_CAPS);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	/* Do we want to advertise 10 Mb Half Duplex? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		e_dbg("Advertise 10mb Half duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	/* Do we want to advertise 10 Mb Full Duplex? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		e_dbg("Advertise 10mb Full duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	/* Do we want to advertise 100 Mb Half Duplex? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		e_dbg("Advertise 100mb Half duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	/* Do we want to advertise 100 Mb Full Duplex? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		e_dbg("Advertise 100mb Full duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		e_dbg("Advertise 1000mb Half duplex request denied!\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	/* Do we want to advertise 1000 Mb Full Duplex? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		e_dbg("Advertise 1000mb Full duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	 * Check for a software override of the flow control settings, and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	 * setup the PHY advertisement registers accordingly.  If
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	 * auto-negotiation is enabled, then software will have to set the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	 * negotiation.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	 * The possible values of the "fc" parameter are:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	 *      0:  Flow control is completely disabled
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	 *      1:  Rx flow control is enabled (we can receive pause frames
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	 *	  but not send pause frames).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	 *      2:  Tx flow control is enabled (we can send pause frames
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	 *	  but we do not support receiving pause frames).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	 *  other:  No software override.  The flow control configuration
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	 *	  in the EEPROM is used.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	switch (hw->fc.current_mode) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	case e1000_fc_none:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		 * Flow control (Rx & Tx) is completely disabled by a
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		 * software over-ride.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	case e1000_fc_rx_pause:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		 * Rx Flow control is enabled, and Tx Flow control is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		 * disabled, by a software over-ride.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		 * Since there really isn't a way to advertise that we are
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		 * capable of Rx Pause ONLY, we will advertise that we
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		 * support both symmetric and asymmetric Rx PAUSE.  Later
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		 * (in e1000e_config_fc_after_link_up) we will disable the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		 * hw's ability to send PAUSE frames.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	case e1000_fc_tx_pause:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		 * Tx Flow control is enabled, and Rx Flow control is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		 * disabled, by a software over-ride.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	case e1000_fc_full:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		 * Flow control (both Rx and Tx) is enabled by a software
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		 * over-ride.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		e_dbg("Flow control param set incorrectly\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		ret_val = -E1000_ERR_CONFIG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	ret_val = e1e_wphy(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
 *  e1000_copper_link_autoneg - Setup/Enable autoneg for copper link
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
 *  Performs initial bounds checking on autoneg advertisement parameter, then
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
 *  configure to advertise the full capability.  Setup the PHY to autoneg
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
 *  and restart the negotiation process between the link partner.  If
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
 *  autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	u16 phy_ctrl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	 * Perform some bounds checking on the autoneg advertisement
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	 * parameter.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	phy->autoneg_advertised &= phy->autoneg_mask;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	 * If autoneg_advertised is zero, we assume it was not defaulted
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	 * by the calling code so we set to advertise full capability.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	if (phy->autoneg_advertised == 0)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		phy->autoneg_advertised = phy->autoneg_mask;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	e_dbg("Reconfiguring auto-neg advertisement params\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	ret_val = e1000_phy_setup_autoneg(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		e_dbg("Error Setting up Auto-Negotiation\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	e_dbg("Restarting Auto-Neg\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	 * Restart auto-negotiation by setting the Auto Neg Enable bit and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	 * the Auto Neg Restart bit in the PHY control register.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	 * Does the user want to wait for Auto-Neg to complete here, or
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	 * check at a later time (for example, callback routine).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	if (phy->autoneg_wait_to_complete) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		ret_val = e1000_wait_autoneg(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
			e_dbg("Error while waiting for "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
				 "autoneg to complete\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	hw->mac.get_link_status = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
 *  e1000e_setup_copper_link - Configure copper link settings
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
 *  Calls the appropriate function to configure the link for auto-neg or forced
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
 *  speed and duplex.  Then we check for link, once link is established calls
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
 *  to configure collision distance and flow control are called.  If link is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
 *  not established, we return -E1000_ERR_PHY (-2).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
s32 e1000e_setup_copper_link(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	if (hw->mac.autoneg) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		 * Setup autoneg and flow control advertisement and perform
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		 * autonegotiation.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		ret_val = e1000_copper_link_autoneg(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		 * PHY will be set to 10H, 10F, 100H or 100F
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		 * depending on user settings.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		e_dbg("Forcing Speed and Duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		ret_val = e1000_phy_force_speed_duplex(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
			e_dbg("Error Forcing Speed and Duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	 * Check link status. Wait up to 100 microseconds for link to become
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	 * valid.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	ret_val = e1000e_phy_has_link_generic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
					     COPPER_LINK_UP_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
					     10,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
					     &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	if (link) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		e_dbg("Valid link established!!!\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		e1000e_config_collision_dist(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		ret_val = e1000e_config_fc_after_link_up(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		e_dbg("Unable to establish link!!!\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
 *  e1000e_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 *  Calls the PHY setup function to force speed and duplex.  Clears the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 *  auto-crossover to force MDI manually.  Waits for link and returns
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
 *  successful if link up is successful, else -E1000_ERR_PHY (-2).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	 * Clear Auto-Crossover to force MDI manually.  IGP requires MDI
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	 * forced whenever speed and duplex are forced.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	e_dbg("IGP PSCR: %X\n", phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	udelay(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	if (phy->autoneg_wait_to_complete) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		e_dbg("Waiting for forced speed/duplex link on IGP phy.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		ret_val = e1000e_phy_has_link_generic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
						     PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
						     100000,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
						     &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		if (!link)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
			e_dbg("Link taking longer than expected.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		/* Try once more */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
		ret_val = e1000e_phy_has_link_generic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
						     PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
						     100000,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
						     &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 *  e1000e_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
 *  Calls the PHY setup function to force speed and duplex.  Clears the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 *  auto-crossover to force MDI manually.  Resets the PHY to commit the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 *  changes.  If time expires while waiting for link up, we reset the DSP.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 *  After reset, TX_CLK and CRS on Tx must be set.  Return successful upon
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 *  successful completion, else return corresponding error code.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	 * Clear Auto-Crossover to force MDI manually.  M88E1000 requires MDI
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	 * forced whenever speed and duplex are forced.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	e_dbg("M88E1000 PSCR: %X\n", phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	/* Reset the phy to commit changes. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	ret_val = e1000e_commit_phy(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	if (phy->autoneg_wait_to_complete) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		e_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
						     100000, &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
		if (!link) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
			if (hw->phy.type != e1000_phy_m88) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
				e_dbg("Link taking longer than expected.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
			} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
				/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
				 * We didn't get link.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
				 * Reset the DSP and cross our fingers.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
				 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
				ret_val = e1e_wphy(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
						M88E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
						0x001d);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
				if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
					return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
				ret_val = e1000e_phy_reset_dsp(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
				if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
					return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		/* Try once more */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
						     100000, &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	if (hw->phy.type != e1000_phy_m88)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	 * Resetting the phy means we need to re-force TX_CLK in the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	 * Extended PHY Specific Control Register to 25MHz clock from
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	 * the reset value of 2.5MHz.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	phy_data |= M88E1000_EPSCR_TX_CLK_25;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	 * In addition, we must re-enable CRS on Tx for both half and full
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	 * duplex.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
 *  e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
 *  Forces the speed and duplex settings of the PHY.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
 *  This is a function pointer entry point only called by
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
 *  PHY setup routines.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	e1000e_phy_force_speed_duplex_setup(hw, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	ret_val = e1e_wphy(hw, PHY_CONTROL, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	/* Disable MDI-X support for 10/100 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	data &= ~IFE_PMC_AUTO_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	data &= ~IFE_PMC_FORCE_MDIX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	e_dbg("IFE PMC: %X\n", data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	udelay(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	if (phy->autoneg_wait_to_complete) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		ret_val = e1000e_phy_has_link_generic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
		                                     PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		                                     100000,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		                                     &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		if (!link)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
			e_dbg("Link taking longer than expected.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		/* Try once more */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
		ret_val = e1000e_phy_has_link_generic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		                                     PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		                                     100000,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
		                                     &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
 *  e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
 *  @phy_ctrl: pointer to current value of PHY_CONTROL
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
 *  Forces speed and duplex on the PHY by doing the following: disable flow
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
 *  control, force speed/duplex on the MAC, disable auto speed detection,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
 *  disable auto-negotiation, configure duplex, configure speed, configure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
 *  the collision distance, write configuration to CTRL register.  The
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
 *  caller must write to the PHY_CONTROL register for these settings to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
 *  take affect.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	struct e1000_mac_info *mac = &hw->mac;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	u32 ctrl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	/* Turn off flow control when forcing speed/duplex */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	hw->fc.current_mode = e1000_fc_none;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	/* Force speed/duplex on the mac */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	ctrl = er32(CTRL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	ctrl &= ~E1000_CTRL_SPD_SEL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	/* Disable Auto Speed Detection */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	ctrl &= ~E1000_CTRL_ASDE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	/* Disable autoneg on the phy */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	*phy_ctrl &= ~MII_CR_AUTO_NEG_EN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	/* Forcing Full or Half Duplex? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		ctrl &= ~E1000_CTRL_FD;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		*phy_ctrl &= ~MII_CR_FULL_DUPLEX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
		e_dbg("Half Duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
		ctrl |= E1000_CTRL_FD;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		*phy_ctrl |= MII_CR_FULL_DUPLEX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
		e_dbg("Full Duplex\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	/* Forcing 10mb or 100mb? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
		ctrl |= E1000_CTRL_SPD_100;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
		*phy_ctrl |= MII_CR_SPEED_100;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		e_dbg("Forcing 100mb\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		*phy_ctrl |= MII_CR_SPEED_10;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		e_dbg("Forcing 10mb\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	e1000e_config_collision_dist(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	ew32(CTRL, ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 *  e1000e_set_d3_lplu_state - Sets low power link up state for D3
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 *  @active: boolean used to enable/disable lplu
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
 *  Success returns 0, Failure returns 1
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
 *  The low power link up (lplu) state is set to the power management level D3
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
 *  and SmartSpeed is disabled when active is true, else clear lplu for D3
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
 *  is used during Dx states where the power conservation is most important.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
 *  During driver activity, SmartSpeed should be enabled so performance is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
 *  maintained.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	if (!active) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
		data &= ~IGP02E1000_PM_D3_LPLU;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		 * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		 * during Dx states where the power conservation is most
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
		 * important.  During driver activity we should enable
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
		 * SmartSpeed, so performance is maintained.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
		if (phy->smart_speed == e1000_smart_speed_on) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
					   &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
			data |= IGP01E1000_PSCFR_SMART_SPEED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
					   data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		} else if (phy->smart_speed == e1000_smart_speed_off) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
					   &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
					   data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
			if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
				return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		data |= IGP02E1000_PM_D3_LPLU;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		/* When LPLU is enabled, we should disable SmartSpeed */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
 *  e1000e_check_downshift - Checks whether a downshift in speed occurred
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
 *  Success returns 0, Failure returns 1
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
 *  A downshift is detected by querying the PHY link health.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
s32 e1000e_check_downshift(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	u16 phy_data, offset, mask;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	switch (phy->type) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	case e1000_phy_m88:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	case e1000_phy_gg82563:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	case e1000_phy_bm:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	case e1000_phy_82578:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		offset	= M88E1000_PHY_SPEC_STATUS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		mask	= M88E1000_PSSR_DOWNSHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	case e1000_phy_igp_2:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	case e1000_phy_igp_3:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		offset	= IGP01E1000_PHY_LINK_HEALTH;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		mask	= IGP01E1000_PLHR_SS_DOWNGRADE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		/* speed downshift not supported */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		phy->speed_downgraded = false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	ret_val = e1e_rphy(hw, offset, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		phy->speed_downgraded = (phy_data & mask);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
 *  e1000_check_polarity_m88 - Checks the polarity.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
 *  Polarity is determined based on the PHY specific status register.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
s32 e1000_check_polarity_m88(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		phy->cable_polarity = (data & M88E1000_PSSR_REV_POLARITY)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
				      ? e1000_rev_polarity_reversed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
				      : e1000_rev_polarity_normal;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
 *  e1000_check_polarity_igp - Checks the polarity.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
 *  Polarity is determined based on the PHY port status register, and the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
 *  current speed (since there is no polarity at 100Mbps).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
s32 e1000_check_polarity_igp(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	u16 data, offset, mask;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	 * Polarity is determined based on the speed of
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	 * our connection.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		offset	= IGP01E1000_PHY_PCS_INIT_REG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		mask	= IGP01E1000_PHY_POLARITY_MASK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		 * This really only applies to 10Mbps since
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
		 * there is no polarity for 100Mbps (always 0).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		offset	= IGP01E1000_PHY_PORT_STATUS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		mask	= IGP01E1000_PSSR_POLARITY_REVERSED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	ret_val = e1e_rphy(hw, offset, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		phy->cable_polarity = (data & mask)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
				      ? e1000_rev_polarity_reversed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
				      : e1000_rev_polarity_normal;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
 *  e1000_check_polarity_ife - Check cable polarity for IFE PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
 *  Polarity is determined on the polarity reversal feature being enabled.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
s32 e1000_check_polarity_ife(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	u16 phy_data, offset, mask;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	 * Polarity is determined based on the reversal feature being enabled.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	if (phy->polarity_correction) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		mask = IFE_PESC_POLARITY_REVERSED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		offset = IFE_PHY_SPECIAL_CONTROL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		mask = IFE_PSC_FORCE_POLARITY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	ret_val = e1e_rphy(hw, offset, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		phy->cable_polarity = (phy_data & mask)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		                       ? e1000_rev_polarity_reversed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		                       : e1000_rev_polarity_normal;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
 *  e1000_wait_autoneg - Wait for auto-neg completion
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
 *  Waits for auto-negotiation to complete or for the auto-negotiation time
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
 *  limit to expire, which ever happens first.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	u16 i, phy_status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	/* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		if (phy_status & MII_SR_AUTONEG_COMPLETE)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		msleep(100);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	 * PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	 * has completed.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
 *  e1000e_phy_has_link_generic - Polls PHY for link
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
 *  @iterations: number of times to poll for link
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
 *  @usec_interval: delay between polling attempts
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
 *  @success: pointer to whether polling was successful or not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
 *  Polls the PHY status register for link, 'iterations' number of times.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
			       u32 usec_interval, bool *success)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	u16 i, phy_status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	for (i = 0; i < iterations; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		 * Some PHYs require the PHY_STATUS register to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		 * twice due to the link bit being sticky.  No harm doing
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		 * it across the board.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
			 * If the first read fails, another entity may have
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
			 * ownership of the resources, wait and try again to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
			 * see if they have relinquished the resources yet.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
			udelay(usec_interval);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		if (phy_status & MII_SR_LINK_STATUS)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		if (usec_interval >= 1000)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
			mdelay(usec_interval/1000);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
			udelay(usec_interval);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	*success = (i < iterations);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
 *  e1000e_get_cable_length_m88 - Determine cable length for m88 PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
 *  Reads the PHY specific status register to retrieve the cable length
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
 *  information.  The cable length is determined by averaging the minimum and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
 *  maximum values to get the "average" cable length.  The m88 PHY has four
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
 *  possible cable length values, which are:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
 *	Register Value		Cable Length
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
 *	0			< 50 meters
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
 *	1			50 - 80 meters
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
 *	2			80 - 110 meters
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
 *	3			110 - 140 meters
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
 *	4			> 140 meters
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
s32 e1000e_get_cable_length_m88(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	u16 phy_data, index;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	        M88E1000_PSSR_CABLE_LENGTH_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		ret_val = -E1000_ERR_PHY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	phy->min_cable_length = e1000_m88_cable_length_table[index];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
 *  e1000e_get_cable_length_igp_2 - Determine cable length for igp2 PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
 *  The automatic gain control (agc) normalizes the amplitude of the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
 *  received signal, adjusting for the attenuation produced by the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
 *  cable.  By reading the AGC registers, which represent the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
 *  combination of coarse and fine gain value, the value can be put
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
 *  into a lookup table to obtain the approximate cable length
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
 *  for each channel.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	u16 phy_data, i, agc_value = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	u16 cur_agc_index, max_agc_index = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] =
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
							 {IGP02E1000_PHY_AGC_A,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
							  IGP02E1000_PHY_AGC_B,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
							  IGP02E1000_PHY_AGC_C,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
							  IGP02E1000_PHY_AGC_D};
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	/* Read the AGC registers for all channels */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		ret_val = e1e_rphy(hw, agc_reg_array[i], &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		 * Getting bits 15:9, which represent the combination of
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		 * coarse and fine gain values.  The result is a number
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		 * that can be put into the lookup table to obtain the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
		 * approximate cable length.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		cur_agc_index = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
				IGP02E1000_AGC_LENGTH_MASK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		/* Array index bound check. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		if ((cur_agc_index >= IGP02E1000_CABLE_LENGTH_TABLE_SIZE) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		    (cur_agc_index == 0))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
			return -E1000_ERR_PHY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		/* Remove min & max AGC values from calculation. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		if (e1000_igp_2_cable_length_table[min_agc_index] >
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		    e1000_igp_2_cable_length_table[cur_agc_index])
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			min_agc_index = cur_agc_index;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		if (e1000_igp_2_cable_length_table[max_agc_index] <
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		    e1000_igp_2_cable_length_table[cur_agc_index])
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
			max_agc_index = cur_agc_index;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		agc_value += e1000_igp_2_cable_length_table[cur_agc_index];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
		      e1000_igp_2_cable_length_table[max_agc_index]);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	/* Calculate cable length with the error range of +/- 10 meters. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	phy->min_cable_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
				 (agc_value - IGP02E1000_AGC_RANGE) : 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 *  e1000e_get_phy_info_m88 - Retrieve PHY information
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
 *  Valid for only copper links.  Read the PHY status register (sticky read)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
 *  to verify that link is up.  Read the PHY special control register to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
 *  determine the polarity and 10base-T extended distance.  Read the PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 *  special status register to determine MDI/MDIx and current speed.  If
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
 *  speed is 1000, then determine cable length, local and remote receiver.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	s32  ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	if (phy->media_type != e1000_media_type_copper) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		e_dbg("Phy info is only valid for copper media\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
		return -E1000_ERR_CONFIG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	if (!link) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
		e_dbg("Phy info is only valid if link is up\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		return -E1000_ERR_CONFIG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	phy->polarity_correction = (phy_data &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
				    M88E1000_PSCR_POLARITY_REVERSAL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	ret_val = e1000_check_polarity_m88(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	phy->is_mdix = (phy_data & M88E1000_PSSR_MDIX);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		ret_val = e1000_get_cable_length(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		phy->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
				? e1000_1000t_rx_status_ok
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
				: e1000_1000t_rx_status_not_ok;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		phy->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
				 ? e1000_1000t_rx_status_ok
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
				 : e1000_1000t_rx_status_not_ok;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
		/* Set values to "undefined" */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
		phy->local_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		phy->remote_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
 *  e1000e_get_phy_info_igp - Retrieve igp PHY information
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
 *  Read PHY status to determine if link is up.  If link is up, then
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
 *  set/determine 10base-T extended distance and polarity correction.  Read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
 *  determine on the cable length, local and remote receiver.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	if (!link) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		e_dbg("Phy info is only valid if link is up\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		return -E1000_ERR_CONFIG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	phy->polarity_correction = true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	ret_val = e1000_check_polarity_igp(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	phy->is_mdix = (data & IGP01E1000_PSSR_MDIX);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
		ret_val = e1000_get_cable_length(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
				? e1000_1000t_rx_status_ok
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
				: e1000_1000t_rx_status_not_ok;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
				 ? e1000_1000t_rx_status_ok
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
				 : e1000_1000t_rx_status_not_ok;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		phy->local_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		phy->remote_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 *  e1000_get_phy_info_ife - Retrieves various IFE PHY states
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
 *  Populates "phy" structure with various feature states.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	if (!link) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		e_dbg("Phy info is only valid if link is up\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		ret_val = -E1000_ERR_CONFIG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	                           ? false : true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	if (phy->polarity_correction) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
		ret_val = e1000_check_polarity_ife(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
		/* Polarity is forced */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		                      ? e1000_rev_polarity_reversed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		                      : e1000_rev_polarity_normal;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	/* The following parameters are undefined for 10/100 operation. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	phy->local_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	phy->remote_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
 *  e1000e_phy_sw_reset - PHY software reset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
 *  Does a software reset of the PHY by reading the PHY control register and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
 *  setting/write the control register reset bit to the PHY.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
s32 e1000e_phy_sw_reset(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	u16 phy_ctrl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	phy_ctrl |= MII_CR_RESET;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	udelay(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
 *  e1000e_phy_hw_reset_generic - PHY hardware reset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
 *  Verify the reset block is not blocking us from resetting.  Acquire
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
 *  semaphore (if necessary) and read/set/write the device control reset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
 *  bit in the PHY.  Wait the appropriate delay time for the device to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
 *  reset and release the semaphore (if necessary).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	u32 ctrl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	ret_val = e1000_check_reset_block(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	ret_val = phy->ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
	ctrl = er32(CTRL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	udelay(phy->reset_delay_us);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	ew32(CTRL, ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	udelay(150);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	phy->ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	return e1000_get_phy_cfg_done(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
 *  e1000e_get_cfg_done - Generic configuration done
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
 *  Generic function to wait 10 milli-seconds for configuration to complete
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
 *  and return success.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
s32 e1000e_get_cfg_done(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	mdelay(10);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
 *  e1000e_phy_init_script_igp3 - Inits the IGP3 PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
 *  Initializes a Intel Gigabit PHY3 when an EEPROM is not present.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	e_dbg("Running IGP 3 PHY init script\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	/* PHY init IGP 3 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	/* Enable rise/fall, 10-mode work in class-A */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	e1e_wphy(hw, 0x2F5B, 0x9018);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	/* Remove all caps from Replica path filter */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	e1e_wphy(hw, 0x2F52, 0x0000);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	/* Bias trimming for ADC, AFE and Driver (Default) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	e1e_wphy(hw, 0x2FB1, 0x8B24);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	/* Increase Hybrid poly bias */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	e1e_wphy(hw, 0x2FB2, 0xF8F0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	/* Add 4% to Tx amplitude in Gig mode */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	e1e_wphy(hw, 0x2010, 0x10B0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	/* Disable trimming (TTT) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	e1e_wphy(hw, 0x2011, 0x0000);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	/* Poly DC correction to 94.6% + 2% for all channels */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	e1e_wphy(hw, 0x20DD, 0x249A);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	/* ABS DC correction to 95.9% */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	e1e_wphy(hw, 0x20DE, 0x00D3);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	/* BG temp curve trim */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	e1e_wphy(hw, 0x28B4, 0x04CE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	/* Increasing ADC OPAMP stage 1 currents to max */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	e1e_wphy(hw, 0x2F70, 0x29E4);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	/* Force 1000 ( required for enabling PHY regs configuration) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	e1e_wphy(hw, 0x0000, 0x0140);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	/* Set upd_freq to 6 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	e1e_wphy(hw, 0x1F30, 0x1606);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	/* Disable NPDFE */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	e1e_wphy(hw, 0x1F31, 0xB814);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	/* Disable adaptive fixed FFE (Default) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	e1e_wphy(hw, 0x1F35, 0x002A);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	/* Enable FFE hysteresis */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	e1e_wphy(hw, 0x1F3E, 0x0067);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	/* Fixed FFE for short cable lengths */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	e1e_wphy(hw, 0x1F54, 0x0065);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	/* Fixed FFE for medium cable lengths */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	e1e_wphy(hw, 0x1F55, 0x002A);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	/* Fixed FFE for long cable lengths */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	e1e_wphy(hw, 0x1F56, 0x002A);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	/* Enable Adaptive Clip Threshold */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	e1e_wphy(hw, 0x1F72, 0x3FB0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	/* AHT reset limit to 1 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	e1e_wphy(hw, 0x1F76, 0xC0FF);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	/* Set AHT master delay to 127 msec */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	e1e_wphy(hw, 0x1F77, 0x1DEC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	/* Set scan bits for AHT */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	e1e_wphy(hw, 0x1F78, 0xF9EF);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	/* Set AHT Preset bits */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	e1e_wphy(hw, 0x1F79, 0x0210);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	/* Change integ_factor of channel A to 3 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	e1e_wphy(hw, 0x1895, 0x0003);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	/* Change prop_factor of channels BCD to 8 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	e1e_wphy(hw, 0x1796, 0x0008);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	/* Change cg_icount + enable integbp for channels BCD */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	e1e_wphy(hw, 0x1798, 0xD008);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	 * Change cg_icount + enable integbp + change prop_factor_master
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	 * to 8 for channel A
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	e1e_wphy(hw, 0x1898, 0xD918);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	/* Disable AHT in Slave mode on channel A */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	e1e_wphy(hw, 0x187A, 0x0800);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	 * Enable LPLU and disable AN to 1000 in non-D0a states,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	 * Enable SPD+B2B
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	e1e_wphy(hw, 0x0019, 0x008D);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	/* Enable restart AN on an1000_dis change */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	e1e_wphy(hw, 0x001B, 0x2080);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	/* Enable wh_fifo read clock in 10/100 modes */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	e1e_wphy(hw, 0x0014, 0x0045);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	/* Restart AN, Speed selection is 1000 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	e1e_wphy(hw, 0x0000, 0x1340);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
/* Internal function pointers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
 *  e1000_get_phy_cfg_done - Generic PHY configuration done
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
 *  Return success if silicon family did not implement a family specific
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
 *  get_cfg_done function.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	if (hw->phy.ops.get_cfg_done)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		return hw->phy.ops.get_cfg_done(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
 *  e1000_phy_force_speed_duplex - Generic force PHY speed/duplex
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
 *  When the silicon family has not implemented a forced speed/duplex
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
 *  function for the PHY, simply return 0.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	if (hw->phy.ops.force_speed_duplex)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
		return hw->phy.ops.force_speed_duplex(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
 *  e1000e_get_phy_type_from_id - Get PHY type from id
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
 *  @phy_id: phy_id read from the phy
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
 *  Returns the phy type from the id.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	enum e1000_phy_type phy_type = e1000_phy_unknown;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	switch (phy_id) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	case M88E1000_I_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	case M88E1000_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	case M88E1111_I_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	case M88E1011_I_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
		phy_type = e1000_phy_m88;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	case IGP01E1000_I_PHY_ID: /* IGP 1 & 2 share this */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		phy_type = e1000_phy_igp_2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	case GG82563_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		phy_type = e1000_phy_gg82563;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	case IGP03E1000_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
		phy_type = e1000_phy_igp_3;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	case IFE_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	case IFE_PLUS_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	case IFE_C_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		phy_type = e1000_phy_ife;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	case BME1000_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	case BME1000_E_PHY_ID_R2:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		phy_type = e1000_phy_bm;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	case I82578_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		phy_type = e1000_phy_82578;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	case I82577_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		phy_type = e1000_phy_82577;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	case I82579_E_PHY_ID:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		phy_type = e1000_phy_82579;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		phy_type = e1000_phy_unknown;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	return phy_type;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
 *  e1000e_determine_phy_address - Determines PHY address.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
 *  This uses a trial and error method to loop through possible PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
 *  addresses. It tests each by reading the PHY ID registers and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 *  checking for a match.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
s32 e1000e_determine_phy_address(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	s32 ret_val = -E1000_ERR_PHY_TYPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	u32 phy_addr = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	u32 i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	enum e1000_phy_type phy_type = e1000_phy_unknown;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	hw->phy.id = phy_type;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	for (phy_addr = 0; phy_addr < E1000_MAX_PHY_ADDR; phy_addr++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		hw->phy.addr = phy_addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		do {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			e1000e_get_phy_id(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
			phy_type = e1000e_get_phy_type_from_id(hw->phy.id);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
			 * If phy_type is valid, break - we found our
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
			 * PHY address
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
			if (phy_type  != e1000_phy_unknown) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
				ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
				goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			msleep(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
			i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		} while (i < 10);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
 *  e1000_get_phy_addr_for_bm_page - Retrieve PHY page address
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
 *  @page: page to access
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
 *  Returns the phy address for the page requested.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
	u32 phy_addr = 2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	if ((page >= 768) || (page == 0 && reg == 25) || (reg == 31))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		phy_addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	return phy_addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
 *  e1000e_write_phy_reg_bm - Write BM PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
 *  Acquires semaphore, if necessary, then writes the data to PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
 *  at the offset.  Release any acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	u32 page_select = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	u32 page = offset >> IGP_PAGE_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
	u32 page_shift = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	/* Page 800 works differently than the rest so it has its own func */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	if (page == BM_WUC_PAGE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
							 false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		 * Page select is register 31 for phy address 1 and 22 for
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		 * phy address 2 and 3. Page select is shifted only for
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		 * phy address 1.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		if (hw->phy.addr == 1) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			page_shift = IGP_PAGE_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			page_select = IGP01E1000_PHY_PAGE_SELECT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
			page_shift = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
			page_select = BM_PHY_PAGE_SELECT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		/* Page is shifted left, PHY expects (page x 32) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		                                    (page << page_shift));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	                                    data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
 *  e1000e_read_phy_reg_bm - Read BM PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
 *  and storing the retrieved information in data.  Release any acquired
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
 *  semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	u32 page_select = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	u32 page = offset >> IGP_PAGE_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	u32 page_shift = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	/* Page 800 works differently than the rest so it has its own func */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
	if (page == BM_WUC_PAGE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
							 true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		 * Page select is register 31 for phy address 1 and 22 for
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		 * phy address 2 and 3. Page select is shifted only for
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
		 * phy address 1.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
		if (hw->phy.addr == 1) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
			page_shift = IGP_PAGE_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			page_select = IGP01E1000_PHY_PAGE_SELECT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
			page_shift = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
			page_select = BM_PHY_PAGE_SELECT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		/* Page is shifted left, PHY expects (page x 32) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		                                    (page << page_shift));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	                                   data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
 *  e1000e_read_phy_reg_bm2 - Read BM PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
 *  and storing the retrieved information in data.  Release any acquired
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
 *  semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	/* Page 800 works differently than the rest so it has its own func */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	if (page == BM_WUC_PAGE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
							 true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	hw->phy.addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		/* Page is shifted left, PHY expects (page x 32) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
						    page);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
					   data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
 *  e1000e_write_phy_reg_bm2 - Write BM PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
 *  Acquires semaphore, if necessary, then writes the data to PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
 *  at the offset.  Release any acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
	/* Page 800 works differently than the rest so it has its own func */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	if (page == BM_WUC_PAGE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
							 false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	hw->phy.addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
		/* Page is shifted left, PHY expects (page x 32) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
						    page);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
					    data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
 *  e1000_access_phy_wakeup_reg_bm - Read BM PHY wakeup register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
 *  @offset: register offset to be read or written
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
 *  @data: pointer to the data to read or write
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
 *  @read: determines if operation is read or write
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
 *  and storing the retrieved information in data.  Release any acquired
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
 *  semaphores before exiting. Note that procedure to read the wakeup
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
 *  registers are different. It works as such:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
 *  1) Set page 769, register 17, bit 2 = 1
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
 *  2) Set page to 800 for host (801 if we were manageability)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
 *  3) Write the address using the address opcode (0x11)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
 *  4) Read or write the data using the data opcode (0x12)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 *  5) Restore 769_17.2 to its original value
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *  Assumes semaphore already acquired.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
					  u16 *data, bool read)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	u16 reg = BM_PHY_REG_NUM(offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	u16 phy_reg = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	/* Gig must be disabled for MDIO accesses to page 800 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	if ((hw->mac.type == e1000_pchlan) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	   (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		e_dbg("Attempting to access page 800 while gig enabled.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	/* All operations in this function are phy address 1 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	hw->phy.addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	/* Set page 769 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	                          (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		e_dbg("Could not read PHY page 769\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	/* First clear bit 4 to avoid a power state change */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	phy_reg &= ~(BM_WUC_HOST_WU_BIT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
		e_dbg("Could not clear PHY page 769 bit 4\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	/* Write bit 2 = 1, and clear bit 4 to 769_17 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	                                    phy_reg | BM_WUC_ENABLE_BIT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
		e_dbg("Could not write PHY page 769 bit 2\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	/* Select page 800 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	                                    (BM_WUC_PAGE << IGP_PAGE_SHIFT));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	/* Write the page 800 offset value using opcode 0x11 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
		e_dbg("Could not write address opcode to page 800\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	if (read) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	        /* Read the page 800 value using opcode 0x12 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
		ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		                                   data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	        /* Write the page 800 value using opcode 0x12 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
						    *data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		e_dbg("Could not access data value from page 800\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	 * Restore 769_17.2 to its original value
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	 * Set page 769
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	                          (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	/* Clear 769_17.2 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		e_dbg("Could not clear PHY page 769 bit 2\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
 * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
 * @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
 * In the case of a PHY power down to save power, or to turn off link during a
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
 * driver unload, or wake on lan is not enabled, restore the link to previous
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
 * settings.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
void e1000_power_up_phy_copper(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	u16 mii_reg = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	/* The PHY will retain its settings across a power down/up cycle */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	mii_reg &= ~MII_CR_POWER_DOWN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	e1e_wphy(hw, PHY_CONTROL, mii_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
 * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
 * @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
 * In the case of a PHY power down to save power, or to turn off link during a
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
 * driver unload, or wake on lan is not enabled, restore the link to previous
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
 * settings.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
void e1000_power_down_phy_copper(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	u16 mii_reg = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	/* The PHY will retain its settings across a power down/up cycle */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	mii_reg |= MII_CR_POWER_DOWN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	e1e_wphy(hw, PHY_CONTROL, mii_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	msleep(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
 *  e1000e_commit_phy - Soft PHY reset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
 *  Performs a soft PHY reset on those that apply. This is a function pointer
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
 *  entry point called by drivers.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
s32 e1000e_commit_phy(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	if (hw->phy.ops.commit)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		return hw->phy.ops.commit(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
 *  e1000_set_d0_lplu_state - Sets low power link up state for D0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
 *  @active: boolean used to enable/disable lplu
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
 *  Success returns 0, Failure returns 1
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
 *  The low power link up (lplu) state is set to the power management level D0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
 *  and SmartSpeed is disabled when active is true, else clear lplu for D0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
 *  is used during Dx states where the power conservation is most important.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
 *  During driver activity, SmartSpeed should be enabled so performance is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
 *  maintained.  This is a function pointer entry point called by drivers.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	if (hw->phy.ops.set_d0_lplu_state)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		return hw->phy.ops.set_d0_lplu_state(hw, active);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
 *  __e1000_read_phy_reg_hv -  Read HV PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
 *  @locked: semaphore has already been acquired or not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
 *  and stores the retrieved information in data.  Release any acquired
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
 *  semaphore before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
                                   bool locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	u16 page = BM_PHY_REG_PAGE(offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	u16 reg = BM_PHY_REG_NUM(offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	if (!locked) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	/* Page 800 works differently than the rest so it has its own func */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	if (page == BM_WUC_PAGE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		                                         data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
		                                         data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	if (page == HV_INTC_FC_PAGE_START)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		page = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	if (reg > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		u32 phy_addr = hw->phy.addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		hw->phy.addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		/* Page is shifted left, PHY expects (page x 32) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		ret_val = e1000e_write_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
					     IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
					     (page << IGP_PAGE_SHIFT));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		hw->phy.addr = phy_addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	                                  data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	if (!locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
 *  e1000_read_phy_reg_hv -  Read HV PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
 *  Acquires semaphore then reads the PHY register at offset and stores
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
 *  the retrieved information in data.  Release the acquired semaphore
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
 *  before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	return __e1000_read_phy_reg_hv(hw, offset, data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
 *  e1000_read_phy_reg_hv_locked -  Read HV PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
 *  @offset: register offset to be read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
 *  @data: pointer to the read data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
 *  Reads the PHY register at offset and stores the retrieved information
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
 *  in data.  Assumes semaphore already acquired.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	return __e1000_read_phy_reg_hv(hw, offset, data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
 *  __e1000_write_phy_reg_hv - Write HV PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
 *  @locked: semaphore has already been acquired or not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
 *  Acquires semaphore, if necessary, then writes the data to PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
 *  at the offset.  Release any acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
                                    bool locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	u16 page = BM_PHY_REG_PAGE(offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	u16 reg = BM_PHY_REG_NUM(offset);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	if (!locked) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
		ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
			return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	/* Page 800 works differently than the rest so it has its own func */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	if (page == BM_WUC_PAGE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		                                         &data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		                                         &data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	if (page == HV_INTC_FC_PAGE_START)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		page = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	 * Workaround MDIO accesses being disabled after entering IEEE Power
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	 * Down (whenever bit 11 of the PHY Control register is set)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	if ((hw->phy.type == e1000_phy_82578) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
	    (hw->phy.revision >= 1) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	    (hw->phy.addr == 2) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	    ((MAX_PHY_REG_ADDRESS & reg) == 0) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	    (data & (1 << 11))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		u16 data2 = 0x7EFF;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		ret_val = e1000_access_phy_debug_regs_hv(hw, (1 << 6) | 0x3,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		                                         &data2, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	if (reg > MAX_PHY_MULTI_PAGE_REG) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		u32 phy_addr = hw->phy.addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		hw->phy.addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		/* Page is shifted left, PHY expects (page x 32) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		ret_val = e1000e_write_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
					     IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
					     (page << IGP_PAGE_SHIFT));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		hw->phy.addr = phy_addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	                                  data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	if (!locked)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
 *  e1000_write_phy_reg_hv - Write HV PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
 *  Acquires semaphore then writes the data to PHY register at the offset.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
 *  Release the acquired semaphores before exiting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	return __e1000_write_phy_reg_hv(hw, offset, data, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
 *  e1000_write_phy_reg_hv_locked - Write HV PHY register
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
 *  @offset: register offset to write to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
 *  @data: data to write at register offset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
 *  Writes the data to PHY register at the offset.  Assumes semaphore
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
 *  already acquired.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	return __e1000_write_phy_reg_hv(hw, offset, data, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
 *  e1000_get_phy_addr_for_hv_page - Get PHY adrress based on page
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
 *  @page: page to be accessed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
static u32 e1000_get_phy_addr_for_hv_page(u32 page)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	u32 phy_addr = 2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	if (page >= HV_INTC_FC_PAGE_START)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		phy_addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	return phy_addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
 *  e1000_access_phy_debug_regs_hv - Read HV PHY vendor specific high registers
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
 *  @offset: register offset to be read or written
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
 *  @data: pointer to the data to be read or written
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
 *  @read: determines if operation is read or written
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
 *  Reads the PHY register at offset and stores the retreived information
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
 *  in data.  Assumes semaphore already acquired.  Note that the procedure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
 *  to read these regs uses the address port and data port to read/write.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
                                          u16 *data, bool read)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	u32 addr_reg = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	u32 data_reg = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	/* This takes care of the difference with desktop vs mobile phy */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	addr_reg = (hw->phy.type == e1000_phy_82578) ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	           I82578_ADDR_REG : I82577_ADDR_REG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	data_reg = addr_reg + 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	/* All operations in this function are phy address 2 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	hw->phy.addr = 2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	/* masking with 0x3F to remove the page from offset */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		e_dbg("Could not write PHY the HV address register\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	/* Read or write the data value next */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	if (read)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		ret_val = e1000e_read_phy_reg_mdic(hw, data_reg, data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	if (ret_val) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
		e_dbg("Could not read data value from HV data register\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
 *  e1000_link_stall_workaround_hv - Si workaround
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
 *  This function works around a Si bug where the link partner can get
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
 *  a link up indication before the PHY does.  If small packets are sent
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
 *  by the link partner they can be placed in the packet buffer without
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
 *  being properly accounted for by the PHY and will stall preventing
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
 *  further packets from being received.  The workaround is to clear the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
 *  packet buffer after the PHY detects link up.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	if (hw->phy.type != e1000_phy_82578)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	/* Do not apply workaround if in PHY loopback bit 14 set */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	hw->phy.ops.read_reg(hw, PHY_CONTROL, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	if (data & PHY_CONTROL_LB)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	/* check if link is up and at 1Gbps */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	ret_val = hw->phy.ops.read_reg(hw, BM_CS_STATUS, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	data &= BM_CS_STATUS_LINK_UP |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	        BM_CS_STATUS_RESOLVED |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	        BM_CS_STATUS_SPEED_MASK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	if (data != (BM_CS_STATUS_LINK_UP |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	             BM_CS_STATUS_RESOLVED |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	             BM_CS_STATUS_SPEED_1000))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	mdelay(200);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	/* flush the packets in the fifo buffer */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	                                HV_MUX_DATA_CTRL_GEN_TO_MAC |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	                                HV_MUX_DATA_CTRL_FORCE_SPEED);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	                                HV_MUX_DATA_CTRL_GEN_TO_MAC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
 *  e1000_check_polarity_82577 - Checks the polarity.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
 *  Polarity is determined based on the PHY specific status register.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
s32 e1000_check_polarity_82577(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		phy->cable_polarity = (data & I82577_PHY_STATUS2_REV_POLARITY)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		                      ? e1000_rev_polarity_reversed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		                      : e1000_rev_polarity_normal;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
 *  e1000_phy_force_speed_duplex_82577 - Force speed/duplex for I82577 PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
 *  Calls the PHY setup function to force speed and duplex.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	udelay(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	if (phy->autoneg_wait_to_complete) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		e_dbg("Waiting for forced speed/duplex link on 82577 phy\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		ret_val = e1000e_phy_has_link_generic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		                                     PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		                                     100000,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		                                     &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
		if (!link)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
			e_dbg("Link taking longer than expected.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		/* Try once more */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		ret_val = e1000e_phy_has_link_generic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
		                                     PHY_FORCE_LIMIT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
		                                     100000,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
		                                     &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
 *  e1000_get_phy_info_82577 - Retrieve I82577 PHY information
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
 *  Read PHY status to determine if link is up.  If link is up, then
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
 *  set/determine 10base-T extended distance and polarity correction.  Read
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
 *  determine on the cable length, local and remote receiver.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	u16 data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	bool link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	if (!link) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
		e_dbg("Phy info is only valid if link is up\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
		ret_val = -E1000_ERR_CONFIG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	phy->polarity_correction = true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	ret_val = e1000_check_polarity_82577(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	phy->is_mdix = (data & I82577_PHY_STATUS2_MDIX) ? true : false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if ((data & I82577_PHY_STATUS2_SPEED_MASK) ==
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	    I82577_PHY_STATUS2_SPEED_1000MBPS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		ret_val = hw->phy.ops.get_cable_length(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
			goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		                ? e1000_1000t_rx_status_ok
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
		                : e1000_1000t_rx_status_not_ok;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		                 ? e1000_1000t_rx_status_ok
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		                 : e1000_1000t_rx_status_not_ok;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		phy->local_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		phy->remote_rx = e1000_1000t_rx_status_undefined;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
 *  e1000_get_cable_length_82577 - Determine cable length for 82577 PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
 * Reads the diagnostic status register and verifies result is valid before
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
 * placing it in the phy_cable_length field.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	struct e1000_phy_info *phy = &hw->phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	u16 phy_data, length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	ret_val = phy->ops.read_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	length = (phy_data & I82577_DSTATUS_CABLE_LENGTH) >>
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	         I82577_DSTATUS_CABLE_LENGTH_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	if (length == E1000_CABLE_LENGTH_UNDEFINED)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		ret_val = -E1000_ERR_PHY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	phy->cable_length = length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	return ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
}