devices/e1000e/phy-3.4-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 12 Feb 2013 10:32:37 +0100
branchstable-1.5
changeset 2516 3680924f6f87
parent 2491 5e9221a78855
permissions -rw-r--r--
Replaced VM_RESERVED for kernel 3.7.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2012 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 "e1000-3.4-ethercat.h"
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static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
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static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
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static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active);
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static s32 e1000_wait_autoneg(struct e1000_hw *hw);
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static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg);
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static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
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					  u16 *data, bool read, bool page_set);
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static u32 e1000_get_phy_addr_for_hv_page(u32 page);
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static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
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                                          u16 *data, bool read);
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/* Cable length tables */
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static const u16 e1000_m88_cable_length_table[] = {
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	0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
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#define M88E1000_CABLE_LENGTH_TABLE_SIZE \
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		ARRAY_SIZE(e1000_m88_cable_length_table)
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static const u16 e1000_igp_2_cable_length_table[] = {
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	0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3,
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	6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22,
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	26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, 21, 26, 31, 35, 40,
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	44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, 40, 45, 51, 56, 61,
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	66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, 60, 66, 72, 77, 82,
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	87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, 83, 89, 95,
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	100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121,
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	124};
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#define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \
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		ARRAY_SIZE(e1000_igp_2_cable_length_table)
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#define BM_PHY_REG_PAGE(offset) \
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	((u16)(((offset) >> PHY_PAGE_SHIFT) & 0xFFFF))
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#define BM_PHY_REG_NUM(offset) \
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	((u16)(((offset) & MAX_PHY_REG_ADDRESS) |\
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	 (((offset) >> (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT)) &\
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		~MAX_PHY_REG_ADDRESS)))
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#define HV_INTC_FC_PAGE_START             768
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#define I82578_ADDR_REG                   29
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#define I82577_ADDR_REG                   16
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#define I82577_CFG_REG                    22
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#define I82577_CFG_ASSERT_CRS_ON_TX       (1 << 15)
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#define I82577_CFG_ENABLE_DOWNSHIFT       (3 << 10) /* auto downshift 100/10 */
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#define I82577_CTRL_REG                   23
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/* 82577 specific PHY registers */
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#define I82577_PHY_CTRL_2            18
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#define I82577_PHY_STATUS_2          26
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#define I82577_PHY_DIAG_STATUS       31
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/* I82577 PHY Status 2 */
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#define I82577_PHY_STATUS2_REV_POLARITY   0x0400
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#define I82577_PHY_STATUS2_MDIX           0x0800
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#define I82577_PHY_STATUS2_SPEED_MASK     0x0300
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#define I82577_PHY_STATUS2_SPEED_1000MBPS 0x0200
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/* I82577 PHY Control 2 */
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#define I82577_PHY_CTRL2_AUTO_MDIX        0x0400
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#define I82577_PHY_CTRL2_FORCE_MDI_MDIX   0x0200
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/* I82577 PHY Diagnostics Status */
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#define I82577_DSTATUS_CABLE_LENGTH       0x03FC
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#define I82577_DSTATUS_CABLE_LENGTH_SHIFT 2
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/* BM PHY Copper Specific Control 1 */
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#define BM_CS_CTRL1                       16
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#define HV_MUX_DATA_CTRL               PHY_REG(776, 16)
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#define HV_MUX_DATA_CTRL_GEN_TO_MAC    0x0400
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#define HV_MUX_DATA_CTRL_FORCE_SPEED   0x0004
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/**
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 *  e1000e_check_reset_block_generic - Check if PHY reset is blocked
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 *  @hw: pointer to the HW structure
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 *
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 *  Read the PHY management control register and check whether a PHY reset
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 *  is blocked.  If a reset is not blocked return 0, otherwise
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 *  return E1000_BLK_PHY_RESET (12).
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 **/
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s32 e1000e_check_reset_block_generic(struct e1000_hw *hw)
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{
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	u32 manc;
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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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s32 e1000e_get_phy_id(struct e1000_hw *hw)
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{
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	struct e1000_phy_info *phy = &hw->phy;
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	s32 ret_val = 0;
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	u16 phy_id;
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   131
	u16 retry_count = 0;
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   132
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	if (!phy->ops.read_reg)
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		return 0;
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   135
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   136
	while (retry_count < 2) {
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		ret_val = e1e_rphy(hw, PHY_ID1, &phy_id);
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		if (ret_val)
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			return ret_val;
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   140
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		phy->id = (u32)(phy_id << 16);
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		udelay(20);
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		ret_val = e1e_rphy(hw, PHY_ID2, &phy_id);
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		if (ret_val)
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			return ret_val;
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   146
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		phy->id |= (u32)(phy_id & PHY_REVISION_MASK);
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		phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);
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   149
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		if (phy->id != 0 && phy->id != PHY_REVISION_MASK)
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   151
			return 0;
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   152
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		retry_count++;
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   154
	}
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   155
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   156
	return 0;
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   157
}
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   158
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   159
/**
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   160
 *  e1000e_phy_reset_dsp - Reset PHY DSP
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   161
 *  @hw: pointer to the HW structure
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   162
 *
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   163
 *  Reset the digital signal processor.
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 **/
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   165
s32 e1000e_phy_reset_dsp(struct e1000_hw *hw)
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{
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   167
	s32 ret_val;
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   168
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	ret_val = e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);
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   170
	if (ret_val)
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   171
		return ret_val;
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   172
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   173
	return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0);
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   174
}
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   175
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   176
/**
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 *  e1000e_read_phy_reg_mdic - Read MDI control register
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 *  @hw: pointer to the HW structure
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 *  @offset: register offset to be read
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 *  @data: pointer to the read data
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   181
 *
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 *  Reads the MDI control register in the PHY at offset and stores the
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   183
 *  information read to data.
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 **/
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   185
s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
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   186
{
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	struct e1000_phy_info *phy = &hw->phy;
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   188
	u32 i, mdic = 0;
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   189
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   190
	if (offset > MAX_PHY_REG_ADDRESS) {
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		e_dbg("PHY Address %d is out of range\n", offset);
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   192
		return -E1000_ERR_PARAM;
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   193
	}
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   194
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   195
	/*
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   196
	 * Set up Op-code, Phy Address, and register offset in the MDI
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   197
	 * Control register.  The MAC will take care of interfacing with the
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   198
	 * PHY to retrieve the desired data.
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   199
	 */
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	mdic = ((offset << E1000_MDIC_REG_SHIFT) |
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		(phy->addr << E1000_MDIC_PHY_SHIFT) |
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   202
		(E1000_MDIC_OP_READ));
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   203
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   204
	ew32(MDIC, mdic);
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   205
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   206
	/*
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   207
	 * Poll the ready bit to see if the MDI read completed
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   208
	 * Increasing the time out as testing showed failures with
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   209
	 * the lower time out
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   210
	 */
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   211
	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
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   212
		udelay(50);
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   213
		mdic = er32(MDIC);
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   214
		if (mdic & E1000_MDIC_READY)
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   215
			break;
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   216
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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   217
	if (!(mdic & E1000_MDIC_READY)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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   218
		e_dbg("MDI Read did not complete\n");
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   219
		return -E1000_ERR_PHY;
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diff changeset
   220
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   221
	if (mdic & E1000_MDIC_ERROR) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   222
		e_dbg("MDI Error\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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   223
		return -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   224
	}
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   225
	*data = (u16) mdic;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   226
5e9221a78855 Added e1000e driver for kernel 3.4.
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   227
	/*
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   228
	 * Allow some time after each MDIC transaction to avoid
5e9221a78855 Added e1000e driver for kernel 3.4.
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   229
	 * reading duplicate data in the next MDIC transaction.
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   230
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   231
	if (hw->mac.type == e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   232
		udelay(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   233
5e9221a78855 Added e1000e driver for kernel 3.4.
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   234
	return 0;
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diff changeset
   235
}
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   236
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   237
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
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   238
 *  e1000e_write_phy_reg_mdic - Write MDI control register
5e9221a78855 Added e1000e driver for kernel 3.4.
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   239
 *  @hw: pointer to the HW structure
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   240
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   241
 *  @data: data to write to register at offset
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   242
 *
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   243
 *  Writes data to MDI control register in the PHY at offset.
5e9221a78855 Added e1000e driver for kernel 3.4.
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   244
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
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   245
s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
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   246
{
5e9221a78855 Added e1000e driver for kernel 3.4.
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   247
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
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   248
	u32 i, mdic = 0;
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diff changeset
   249
5e9221a78855 Added e1000e driver for kernel 3.4.
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   250
	if (offset > MAX_PHY_REG_ADDRESS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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   251
		e_dbg("PHY Address %d is out of range\n", offset);
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   252
		return -E1000_ERR_PARAM;
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diff changeset
   253
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   254
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   255
	/*
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diff changeset
   256
	 * Set up Op-code, Phy Address, and register offset in the MDI
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diff changeset
   257
	 * Control register.  The MAC will take care of interfacing with the
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   258
	 * PHY to retrieve the desired data.
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diff changeset
   259
	 */
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   260
	mdic = (((u32)data) |
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   261
		(offset << E1000_MDIC_REG_SHIFT) |
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   262
		(phy->addr << E1000_MDIC_PHY_SHIFT) |
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   263
		(E1000_MDIC_OP_WRITE));
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   264
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   265
	ew32(MDIC, mdic);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   266
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   267
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
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   268
	 * Poll the ready bit to see if the MDI read completed
5e9221a78855 Added e1000e driver for kernel 3.4.
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   269
	 * Increasing the time out as testing showed failures with
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   270
	 * the lower time out
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   271
	 */
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   272
	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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   273
		udelay(50);
5e9221a78855 Added e1000e driver for kernel 3.4.
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   274
		mdic = er32(MDIC);
5e9221a78855 Added e1000e driver for kernel 3.4.
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   275
		if (mdic & E1000_MDIC_READY)
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   276
			break;
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   277
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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   278
	if (!(mdic & E1000_MDIC_READY)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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   279
		e_dbg("MDI Write did not complete\n");
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   280
		return -E1000_ERR_PHY;
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diff changeset
   281
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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   282
	if (mdic & E1000_MDIC_ERROR) {
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   283
		e_dbg("MDI Error\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
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   284
		return -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   285
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   286
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   287
	/*
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   288
	 * Allow some time after each MDIC transaction to avoid
5e9221a78855 Added e1000e driver for kernel 3.4.
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   289
	 * reading duplicate data in the next MDIC transaction.
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   290
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
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   291
	if (hw->mac.type == e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
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   292
		udelay(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
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   293
5e9221a78855 Added e1000e driver for kernel 3.4.
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   294
	return 0;
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   295
}
5e9221a78855 Added e1000e driver for kernel 3.4.
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   296
5e9221a78855 Added e1000e driver for kernel 3.4.
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   297
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
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   298
 *  e1000e_read_phy_reg_m88 - Read m88 PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
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   299
 *  @hw: pointer to the HW structure
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   300
 *  @offset: register offset to be read
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   301
 *  @data: pointer to the read data
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   302
 *
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   303
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
5e9221a78855 Added e1000e driver for kernel 3.4.
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   304
 *  and storing the retrieved information in data.  Release any acquired
5e9221a78855 Added e1000e driver for kernel 3.4.
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   305
 *  semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
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   306
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   307
s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   308
{
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   309
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   310
5e9221a78855 Added e1000e driver for kernel 3.4.
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   311
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   312
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
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   313
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   314
5e9221a78855 Added e1000e driver for kernel 3.4.
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   315
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   316
					   data);
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   317
5e9221a78855 Added e1000e driver for kernel 3.4.
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   318
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   319
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   320
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   321
}
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   322
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   323
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   324
 *  e1000e_write_phy_reg_m88 - Write m88 PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   325
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   326
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   327
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   328
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   329
 *  Acquires semaphore, if necessary, then writes the data to PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   330
 *  at the offset.  Release any acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   331
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   332
s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   333
{
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   334
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   335
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   336
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   337
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   338
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   339
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   340
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   341
					    data);
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   342
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   343
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   344
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   345
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   346
}
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   347
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   348
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   349
 *  e1000_set_page_igp - Set page as on IGP-like PHY(s)
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   350
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
 *  @page: page to set (shifted left when necessary)
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   352
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
 *  Sets PHY page required for PHY register access.  Assumes semaphore is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
 *  already acquired.  Note, this function sets phy.addr to 1 so the caller
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
 *  must set it appropriately (if necessary) after this function returns.
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   356
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
	e_dbg("Setting page 0x%x\n", page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
	hw->phy.addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
	return e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
 *  __e1000e_read_phy_reg_igp - Read igp PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
 *  @locked: semaphore has already been acquired or not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
 *  and stores the retrieved information in data.  Release any acquired
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
 *  semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
                                    bool locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	if (!locked) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
		if (!hw->phy.ops.acquire)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	if (offset > MAX_PHY_MULTI_PAGE_REG)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		ret_val = e1000e_write_phy_reg_mdic(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
						    IGP01E1000_PHY_PAGE_SELECT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
						    (u16)offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		ret_val = e1000e_read_phy_reg_mdic(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
						   MAX_PHY_REG_ADDRESS & offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
						   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	if (!locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
 *  e1000e_read_phy_reg_igp - Read igp PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
 *  Acquires semaphore then reads the PHY register at offset and stores the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
 *  retrieved information in data.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
 *  Release the acquired semaphore before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	return __e1000e_read_phy_reg_igp(hw, offset, data, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
 *  e1000e_read_phy_reg_igp_locked - Read igp PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
 *  Reads the PHY register at offset and stores the retrieved information
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
 *  in data.  Assumes semaphore already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	return __e1000e_read_phy_reg_igp(hw, offset, data, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
 *  e1000e_write_phy_reg_igp - Write igp PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
 *  @locked: semaphore has already been acquired or not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
 *  Acquires semaphore, if necessary, then writes the data to PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
 *  at the offset.  Release any acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
                                     bool locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	if (!locked) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		if (!hw->phy.ops.acquire)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	if (offset > MAX_PHY_MULTI_PAGE_REG)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		ret_val = e1000e_write_phy_reg_mdic(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
						    IGP01E1000_PHY_PAGE_SELECT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
						    (u16)offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
							offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
						    data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	if (!locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
 *  e1000e_write_phy_reg_igp - Write igp PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
 *  Acquires semaphore then writes the data to PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
 *  at the offset.  Release any acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	return __e1000e_write_phy_reg_igp(hw, offset, data, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
 *  e1000e_write_phy_reg_igp_locked - Write igp PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
 *  Writes the data to PHY register at the offset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
 *  Assumes semaphore already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	return __e1000e_write_phy_reg_igp(hw, offset, data, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
 *  __e1000_read_kmrn_reg - Read kumeran register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 *  @locked: semaphore has already been acquired or not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 *  Acquires semaphore, if necessary.  Then reads the PHY register at offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 *  using the kumeran interface.  The information retrieved is stored in data.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
 *  Release any acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
                                 bool locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	u32 kmrnctrlsta;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	if (!locked) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
		s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		if (!hw->phy.ops.acquire)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		       E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	ew32(KMRNCTRLSTA, kmrnctrlsta);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	udelay(2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	kmrnctrlsta = er32(KMRNCTRLSTA);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	*data = (u16)kmrnctrlsta;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	if (!locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
 *  e1000e_read_kmrn_reg -  Read kumeran register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
 *  Acquires semaphore then reads the PHY register at offset using the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
 *  kumeran interface.  The information retrieved is stored in data.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
 *  Release the acquired semaphore before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	return __e1000_read_kmrn_reg(hw, offset, data, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
 *  e1000e_read_kmrn_reg_locked -  Read kumeran register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
 *  Reads the PHY register at offset using the kumeran interface.  The
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
 *  information retrieved is stored in data.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
 *  Assumes semaphore already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	return __e1000_read_kmrn_reg(hw, offset, data, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
 *  __e1000_write_kmrn_reg - Write kumeran register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
 *  @locked: semaphore has already been acquired or not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
 *  Acquires semaphore, if necessary.  Then write the data to PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
 *  at the offset using the kumeran interface.  Release any acquired semaphores
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
 *  before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
                                  bool locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	u32 kmrnctrlsta;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	if (!locked) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		if (!hw->phy.ops.acquire)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		       E1000_KMRNCTRLSTA_OFFSET) | data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	ew32(KMRNCTRLSTA, kmrnctrlsta);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	udelay(2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	if (!locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
 *  e1000e_write_kmrn_reg -  Write kumeran register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
 *  Acquires semaphore then writes the data to the PHY register at the offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
 *  using the kumeran interface.  Release the acquired semaphore before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	return __e1000_write_kmrn_reg(hw, offset, data, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
 *  e1000e_write_kmrn_reg_locked -  Write kumeran register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
 *  Write the data to PHY register at the offset using the kumeran interface.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
 *  Assumes semaphore already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	return __e1000_write_kmrn_reg(hw, offset, data, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
 *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
 *  Sets up Carrier-sense on Transmit and downshift values.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	/* Enable CRS on Tx. This must be set for half-duplex operation. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	phy_data |= I82577_CFG_ASSERT_CRS_ON_TX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	/* Enable downshift */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	return e1e_wphy(hw, I82577_CFG_REG, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
 *  e1000e_copper_link_setup_m88 - Setup m88 PHY's for copper link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
 *  Sets up MDI/MDI-X and polarity for m88 PHY's.  If necessary, transmit clock
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
 *  and downshift values are set also.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	/* Enable CRS on Tx. This must be set for half-duplex operation. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	/* For BM PHY this bit is downshift enable */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	if (phy->type != e1000_phy_bm)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	 * Options:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	 *   MDI/MDI-X = 0 (default)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	 *   0 - Auto for all speeds
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	 *   1 - MDI mode
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	 *   2 - MDI-X mode
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	switch (phy->mdix) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	case 1:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	case 2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	case 3:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	case 0:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	 * Options:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	 *   disable_polarity_correction = 0 (default)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	 *       Automatic Correction for Reversed Cable Polarity
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	 *   0 - Disabled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	 *   1 - Enabled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	if (phy->disable_polarity_correction == 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	/* Enable downshift on BM (disabled by default) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	if (phy->type == e1000_phy_bm)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
		phy_data |= BME1000_PSCR_ENABLE_DOWNSHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	if ((phy->type == e1000_phy_m88) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	    (phy->revision < E1000_REVISION_4) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	    (phy->id != BME1000_E_PHY_ID_R2)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		 * Force TX_CLK in the Extended PHY Specific Control Register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		 * to 25MHz clock.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		if ((phy->revision == 2) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		    (phy->id == M88E1111_I_PHY_ID)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
			/* 82573L PHY - set the downshift counter to 5x. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
			/* Configure Master and Slave downshift values */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	if ((phy->type == e1000_phy_bm) && (phy->id == BME1000_E_PHY_ID_R2)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		/* Set PHY page 0, register 29 to 0x0003 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		ret_val = e1e_wphy(hw, 29, 0x0003);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		/* Set PHY page 0, register 30 to 0x0000 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		ret_val = e1e_wphy(hw, 30, 0x0000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	/* Commit the changes. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	ret_val = e1000e_commit_phy(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		e_dbg("Error committing the PHY changes\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	if (phy->type == e1000_phy_82578) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		/* 82578 PHY - set the downshift count to 1x. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
 *  e1000e_copper_link_setup_igp - Setup igp PHY's for copper link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
 *  Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
 *  igp PHY's.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	ret_val = e1000_phy_hw_reset(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		e_dbg("Error resetting the PHY.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	 * Wait 100ms for MAC to configure PHY from NVM settings, to avoid
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	 * timeout issues when LFS is enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	msleep(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	/* disable lplu d0 during driver init */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	ret_val = e1000_set_d0_lplu_state(hw, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		e_dbg("Error Disabling LPLU D0\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	/* Configure mdi-mdix settings */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	data &= ~IGP01E1000_PSCR_AUTO_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	switch (phy->mdix) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	case 1:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	case 2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	case 0:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		data |= IGP01E1000_PSCR_AUTO_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	/* set auto-master slave resolution settings */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	if (hw->mac.autoneg) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
		 * when autonegotiation advertisement is only 1000Mbps then we
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
		 * should disable SmartSpeed and enable Auto MasterSlave
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
		 * resolution as hardware default.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
		if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
			/* Disable SmartSpeed */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
					   &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
			/* Set auto Master/Slave resolution process */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
			ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
			data &= ~CR_1000T_MS_ENABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
			ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		/* load defaults for future use */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		phy->original_ms_type = (data & CR_1000T_MS_ENABLE) ?
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
			((data & CR_1000T_MS_VALUE) ?
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
			e1000_ms_force_master :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
			e1000_ms_force_slave) :
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
			e1000_ms_auto;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		switch (phy->ms_type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		case e1000_ms_force_master:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
			data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		case e1000_ms_force_slave:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
			data |= CR_1000T_MS_ENABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
			data &= ~(CR_1000T_MS_VALUE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		case e1000_ms_auto:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
			data &= ~CR_1000T_MS_ENABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
 *  e1000_phy_setup_autoneg - Configure PHY for auto-negotiation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
 *  Reads the MII auto-neg advertisement register and/or the 1000T control
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
 *  register and if the PHY is already setup for auto-negotiation, then
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
 *  return successful.  Otherwise, setup advertisement and flow control to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
 *  the appropriate values for the wanted auto-negotiation.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	u16 mii_autoneg_adv_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	u16 mii_1000t_ctrl_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	phy->autoneg_advertised &= phy->autoneg_mask;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	ret_val = e1e_rphy(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
		/* Read the MII 1000Base-T Control Register (Address 9). */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	 * Need to parse both autoneg_advertised and fc and set up
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	 * the appropriate PHY registers.  First we will parse for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	 * autoneg_advertised software override.  Since we can advertise
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	 * a plethora of combinations, we need to check each bit
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	 * individually.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	 * First we clear all the 10/100 mb speed bits in the Auto-Neg
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	 * the  1000Base-T Control Register (Address 9).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	mii_autoneg_adv_reg &= ~(NWAY_AR_100TX_FD_CAPS |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
				 NWAY_AR_100TX_HD_CAPS |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
				 NWAY_AR_10T_FD_CAPS   |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
				 NWAY_AR_10T_HD_CAPS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	/* Do we want to advertise 10 Mb Half Duplex? */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		e_dbg("Advertise 10mb Half duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	/* Do we want to advertise 10 Mb Full Duplex? */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		e_dbg("Advertise 10mb Full duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	/* Do we want to advertise 100 Mb Half Duplex? */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		e_dbg("Advertise 100mb Half duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	/* Do we want to advertise 100 Mb Full Duplex? */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		e_dbg("Advertise 100mb Full duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		e_dbg("Advertise 1000mb Half duplex request denied!\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	/* Do we want to advertise 1000 Mb Full Duplex? */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
		e_dbg("Advertise 1000mb Full duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	 * Check for a software override of the flow control settings, and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	 * setup the PHY advertisement registers accordingly.  If
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	 * auto-negotiation is enabled, then software will have to set the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	 * negotiation.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	 * The possible values of the "fc" parameter are:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	 *      0:  Flow control is completely disabled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	 *      1:  Rx flow control is enabled (we can receive pause frames
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	 *          but not send pause frames).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	 *      2:  Tx flow control is enabled (we can send pause frames
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	 *          but we do not support receiving pause frames).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	 *  other:  No software override.  The flow control configuration
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	 *          in the EEPROM is used.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	switch (hw->fc.current_mode) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	case e1000_fc_none:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		 * Flow control (Rx & Tx) is completely disabled by a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		 * software over-ride.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	case e1000_fc_rx_pause:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		 * Rx Flow control is enabled, and Tx Flow control is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		 * disabled, by a software over-ride.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		 * Since there really isn't a way to advertise that we are
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		 * capable of Rx Pause ONLY, we will advertise that we
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		 * support both symmetric and asymmetric Rx PAUSE.  Later
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		 * (in e1000e_config_fc_after_link_up) we will disable the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		 * hw's ability to send PAUSE frames.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	case e1000_fc_tx_pause:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		 * Tx Flow control is enabled, and Rx Flow control is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		 * disabled, by a software over-ride.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	case e1000_fc_full:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		 * Flow control (both Rx and Tx) is enabled by a software
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		 * over-ride.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		e_dbg("Flow control param set incorrectly\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	ret_val = e1e_wphy(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	if (phy->autoneg_mask & ADVERTISE_1000_FULL)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
 *  e1000_copper_link_autoneg - Setup/Enable autoneg for copper link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
 *  Performs initial bounds checking on autoneg advertisement parameter, then
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
 *  configure to advertise the full capability.  Setup the PHY to autoneg
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
 *  and restart the negotiation process between the link partner.  If
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
 *  autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	u16 phy_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	 * Perform some bounds checking on the autoneg advertisement
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	 * parameter.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	phy->autoneg_advertised &= phy->autoneg_mask;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	 * If autoneg_advertised is zero, we assume it was not defaulted
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	 * by the calling code so we set to advertise full capability.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	if (phy->autoneg_advertised == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		phy->autoneg_advertised = phy->autoneg_mask;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	e_dbg("Reconfiguring auto-neg advertisement params\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	ret_val = e1000_phy_setup_autoneg(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		e_dbg("Error Setting up Auto-Negotiation\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	e_dbg("Restarting Auto-Neg\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	 * Restart auto-negotiation by setting the Auto Neg Enable bit and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	 * the Auto Neg Restart bit in the PHY control register.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	 * Does the user want to wait for Auto-Neg to complete here, or
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	 * check at a later time (for example, callback routine).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	if (phy->autoneg_wait_to_complete) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		ret_val = e1000_wait_autoneg(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			e_dbg("Error while waiting for autoneg to complete\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	hw->mac.get_link_status = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
 *  e1000e_setup_copper_link - Configure copper link settings
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
 *  Calls the appropriate function to configure the link for auto-neg or forced
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
 *  speed and duplex.  Then we check for link, once link is established calls
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
 *  to configure collision distance and flow control are called.  If link is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
 *  not established, we return -E1000_ERR_PHY (-2).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
s32 e1000e_setup_copper_link(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	if (hw->mac.autoneg) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		 * Setup autoneg and flow control advertisement and perform
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		 * autonegotiation.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		ret_val = e1000_copper_link_autoneg(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		 * PHY will be set to 10H, 10F, 100H or 100F
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		 * depending on user settings.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		e_dbg("Forcing Speed and Duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		ret_val = e1000_phy_force_speed_duplex(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
			e_dbg("Error Forcing Speed and Duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	 * Check link status. Wait up to 100 microseconds for link to become
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	 * valid.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	ret_val = e1000e_phy_has_link_generic(hw, COPPER_LINK_UP_LIMIT, 10,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
					      &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	if (link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		e_dbg("Valid link established!!!\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		hw->mac.ops.config_collision_dist(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		ret_val = e1000e_config_fc_after_link_up(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		e_dbg("Unable to establish link!!!\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
 *  e1000e_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 *  Calls the PHY setup function to force speed and duplex.  Clears the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 *  auto-crossover to force MDI manually.  Waits for link and returns
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 *  successful if link up is successful, else -E1000_ERR_PHY (-2).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	 * Clear Auto-Crossover to force MDI manually.  IGP requires MDI
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	 * forced whenever speed and duplex are forced.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	e_dbg("IGP PSCR: %X\n", phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	if (phy->autoneg_wait_to_complete) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		e_dbg("Waiting for forced speed/duplex link on IGP phy.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
						      100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		if (!link)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			e_dbg("Link taking longer than expected.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
		/* Try once more */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
						      100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
 *  e1000e_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
 *  Calls the PHY setup function to force speed and duplex.  Clears the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
 *  auto-crossover to force MDI manually.  Resets the PHY to commit the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
 *  changes.  If time expires while waiting for link up, we reset the DSP.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
 *  After reset, TX_CLK and CRS on Tx must be set.  Return successful upon
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
 *  successful completion, else return corresponding error code.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	 * Clear Auto-Crossover to force MDI manually.  M88E1000 requires MDI
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	 * forced whenever speed and duplex are forced.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	e_dbg("M88E1000 PSCR: %X\n", phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	/* Reset the phy to commit changes. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	ret_val = e1000e_commit_phy(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	if (phy->autoneg_wait_to_complete) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
		e_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
						     100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		if (!link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
			if (hw->phy.type != e1000_phy_m88) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
				e_dbg("Link taking longer than expected.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
			} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
				/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
				 * We didn't get link.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
				 * Reset the DSP and cross our fingers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
				 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
				ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
						   0x001d);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
				if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
					return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
				ret_val = e1000e_phy_reset_dsp(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
				if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
					return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		/* Try once more */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
						     100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	if (hw->phy.type != e1000_phy_m88)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	 * Resetting the phy means we need to re-force TX_CLK in the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	 * Extended PHY Specific Control Register to 25MHz clock from
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	 * the reset value of 2.5MHz.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	phy_data |= M88E1000_EPSCR_TX_CLK_25;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	 * In addition, we must re-enable CRS on Tx for both half and full
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	 * duplex.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
 *  e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
 *  Forces the speed and duplex settings of the PHY.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
 *  This is a function pointer entry point only called by
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
 *  PHY setup routines.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	e1000e_phy_force_speed_duplex_setup(hw, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	ret_val = e1e_wphy(hw, PHY_CONTROL, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	/* Disable MDI-X support for 10/100 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	data &= ~IFE_PMC_AUTO_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	data &= ~IFE_PMC_FORCE_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	e_dbg("IFE PMC: %X\n", data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	if (phy->autoneg_wait_to_complete) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
						      100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		if (!link)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			e_dbg("Link taking longer than expected.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		/* Try once more */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
						      100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
 *  e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
 *  @phy_ctrl: pointer to current value of PHY_CONTROL
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
 *  Forces speed and duplex on the PHY by doing the following: disable flow
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
 *  control, force speed/duplex on the MAC, disable auto speed detection,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
 *  disable auto-negotiation, configure duplex, configure speed, configure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
 *  the collision distance, write configuration to CTRL register.  The
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
 *  caller must write to the PHY_CONTROL register for these settings to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
 *  take affect.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	struct e1000_mac_info *mac = &hw->mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	u32 ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	/* Turn off flow control when forcing speed/duplex */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	hw->fc.current_mode = e1000_fc_none;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	/* Force speed/duplex on the mac */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	ctrl &= ~E1000_CTRL_SPD_SEL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	/* Disable Auto Speed Detection */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	ctrl &= ~E1000_CTRL_ASDE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	/* Disable autoneg on the phy */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	*phy_ctrl &= ~MII_CR_AUTO_NEG_EN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	/* Forcing Full or Half Duplex? */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		ctrl &= ~E1000_CTRL_FD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
		*phy_ctrl &= ~MII_CR_FULL_DUPLEX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
		e_dbg("Half Duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		ctrl |= E1000_CTRL_FD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		*phy_ctrl |= MII_CR_FULL_DUPLEX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		e_dbg("Full Duplex\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	/* Forcing 10mb or 100mb? */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		ctrl |= E1000_CTRL_SPD_100;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		*phy_ctrl |= MII_CR_SPEED_100;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		e_dbg("Forcing 100mb\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		*phy_ctrl |= MII_CR_SPEED_10;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		e_dbg("Forcing 10mb\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	hw->mac.ops.config_collision_dist(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
 *  e1000e_set_d3_lplu_state - Sets low power link up state for D3
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
 *  @active: boolean used to enable/disable lplu
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
 *  Success returns 0, Failure returns 1
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
 *  The low power link up (lplu) state is set to the power management level D3
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
 *  and SmartSpeed is disabled when active is true, else clear lplu for D3
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
 *  is used during Dx states where the power conservation is most important.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
 *  During driver activity, SmartSpeed should be enabled so performance is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
 *  maintained.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	if (!active) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		data &= ~IGP02E1000_PM_D3_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		 * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		 * during Dx states where the power conservation is most
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		 * important.  During driver activity we should enable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		 * SmartSpeed, so performance is maintained.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
		if (phy->smart_speed == e1000_smart_speed_on) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
					   &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
			data |= IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
		} else if (phy->smart_speed == e1000_smart_speed_off) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
					   &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		data |= IGP02E1000_PM_D3_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		/* When LPLU is enabled, we should disable SmartSpeed */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
 *  e1000e_check_downshift - Checks whether a downshift in speed occurred
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
 *  Success returns 0, Failure returns 1
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
 *  A downshift is detected by querying the PHY link health.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
s32 e1000e_check_downshift(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	u16 phy_data, offset, mask;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	switch (phy->type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	case e1000_phy_m88:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	case e1000_phy_gg82563:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	case e1000_phy_bm:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	case e1000_phy_82578:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		offset	= M88E1000_PHY_SPEC_STATUS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		mask	= M88E1000_PSSR_DOWNSHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	case e1000_phy_igp_2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	case e1000_phy_igp_3:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		offset	= IGP01E1000_PHY_LINK_HEALTH;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		mask	= IGP01E1000_PLHR_SS_DOWNGRADE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		/* speed downshift not supported */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		phy->speed_downgraded = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	ret_val = e1e_rphy(hw, offset, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		phy->speed_downgraded = (phy_data & mask);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
 *  e1000_check_polarity_m88 - Checks the polarity.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
 *  Polarity is determined based on the PHY specific status register.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
s32 e1000_check_polarity_m88(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		phy->cable_polarity = (data & M88E1000_PSSR_REV_POLARITY)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
				      ? e1000_rev_polarity_reversed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
				      : e1000_rev_polarity_normal;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
 *  e1000_check_polarity_igp - Checks the polarity.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 *  Polarity is determined based on the PHY port status register, and the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
 *  current speed (since there is no polarity at 100Mbps).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
s32 e1000_check_polarity_igp(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	u16 data, offset, mask;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	 * Polarity is determined based on the speed of
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	 * our connection.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		offset	= IGP01E1000_PHY_PCS_INIT_REG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		mask	= IGP01E1000_PHY_POLARITY_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		 * This really only applies to 10Mbps since
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		 * there is no polarity for 100Mbps (always 0).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		offset	= IGP01E1000_PHY_PORT_STATUS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		mask	= IGP01E1000_PSSR_POLARITY_REVERSED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	ret_val = e1e_rphy(hw, offset, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		phy->cable_polarity = (data & mask)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
				      ? e1000_rev_polarity_reversed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
				      : e1000_rev_polarity_normal;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
 *  e1000_check_polarity_ife - Check cable polarity for IFE PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
 *  Polarity is determined on the polarity reversal feature being enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
s32 e1000_check_polarity_ife(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	u16 phy_data, offset, mask;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	 * Polarity is determined based on the reversal feature being enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	if (phy->polarity_correction) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		mask = IFE_PESC_POLARITY_REVERSED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		offset = IFE_PHY_SPECIAL_CONTROL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		mask = IFE_PSC_FORCE_POLARITY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	ret_val = e1e_rphy(hw, offset, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
		phy->cable_polarity = (phy_data & mask)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		                       ? e1000_rev_polarity_reversed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		                       : e1000_rev_polarity_normal;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
 *  e1000_wait_autoneg - Wait for auto-neg completion
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
 *  Waits for auto-negotiation to complete or for the auto-negotiation time
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
 *  limit to expire, which ever happens first.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	u16 i, phy_status;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	/* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		if (phy_status & MII_SR_AUTONEG_COMPLETE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		msleep(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	 * PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	 * has completed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
 *  e1000e_phy_has_link_generic - Polls PHY for link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
 *  @iterations: number of times to poll for link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
 *  @usec_interval: delay between polling attempts
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
 *  @success: pointer to whether polling was successful or not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
 *  Polls the PHY status register for link, 'iterations' number of times.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
			       u32 usec_interval, bool *success)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	u16 i, phy_status;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	for (i = 0; i < iterations; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		 * Some PHYs require the PHY_STATUS register to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
		 * twice due to the link bit being sticky.  No harm doing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		 * it across the board.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
			 * If the first read fails, another entity may have
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
			 * ownership of the resources, wait and try again to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
			 * see if they have relinquished the resources yet.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
			udelay(usec_interval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		if (phy_status & MII_SR_LINK_STATUS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		if (usec_interval >= 1000)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
			mdelay(usec_interval/1000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
			udelay(usec_interval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	*success = (i < iterations);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
 *  e1000e_get_cable_length_m88 - Determine cable length for m88 PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
 *  Reads the PHY specific status register to retrieve the cable length
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
 *  information.  The cable length is determined by averaging the minimum and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
 *  maximum values to get the "average" cable length.  The m88 PHY has four
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
 *  possible cable length values, which are:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
 *	Register Value		Cable Length
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
 *	0			< 50 meters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
 *	1			50 - 80 meters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
 *	2			80 - 110 meters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
 *	3			110 - 140 meters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
 *	4			> 140 meters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
s32 e1000e_get_cable_length_m88(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	u16 phy_data, index;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	        M88E1000_PSSR_CABLE_LENGTH_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		return -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	phy->min_cable_length = e1000_m88_cable_length_table[index];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
 *  e1000e_get_cable_length_igp_2 - Determine cable length for igp2 PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
 *  The automatic gain control (agc) normalizes the amplitude of the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
 *  received signal, adjusting for the attenuation produced by the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
 *  cable.  By reading the AGC registers, which represent the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
 *  combination of coarse and fine gain value, the value can be put
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
 *  into a lookup table to obtain the approximate cable length
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
 *  for each channel.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	u16 phy_data, i, agc_value = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	u16 cur_agc_index, max_agc_index = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	       IGP02E1000_PHY_AGC_A,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	       IGP02E1000_PHY_AGC_B,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	       IGP02E1000_PHY_AGC_C,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	       IGP02E1000_PHY_AGC_D
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	/* Read the AGC registers for all channels */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		ret_val = e1e_rphy(hw, agc_reg_array[i], &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		 * Getting bits 15:9, which represent the combination of
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		 * coarse and fine gain values.  The result is a number
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		 * that can be put into the lookup table to obtain the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		 * approximate cable length.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		cur_agc_index = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
				IGP02E1000_AGC_LENGTH_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		/* Array index bound check. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		if ((cur_agc_index >= IGP02E1000_CABLE_LENGTH_TABLE_SIZE) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		    (cur_agc_index == 0))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
			return -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
		/* Remove min & max AGC values from calculation. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		if (e1000_igp_2_cable_length_table[min_agc_index] >
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		    e1000_igp_2_cable_length_table[cur_agc_index])
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
			min_agc_index = cur_agc_index;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		if (e1000_igp_2_cable_length_table[max_agc_index] <
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
		    e1000_igp_2_cable_length_table[cur_agc_index])
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
			max_agc_index = cur_agc_index;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		agc_value += e1000_igp_2_cable_length_table[cur_agc_index];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
		      e1000_igp_2_cable_length_table[max_agc_index]);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	/* Calculate cable length with the error range of +/- 10 meters. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	phy->min_cable_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ?
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
				 (agc_value - IGP02E1000_AGC_RANGE) : 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
 *  e1000e_get_phy_info_m88 - Retrieve PHY information
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
 *  Valid for only copper links.  Read the PHY status register (sticky read)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
 *  to verify that link is up.  Read the PHY special control register to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
 *  determine the polarity and 10base-T extended distance.  Read the PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
 *  special status register to determine MDI/MDIx and current speed.  If
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
 *  speed is 1000, then determine cable length, local and remote receiver.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	s32  ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	if (phy->media_type != e1000_media_type_copper) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		e_dbg("Phy info is only valid for copper media\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	if (!link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		e_dbg("Phy info is only valid if link is up\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	phy->polarity_correction = (phy_data &
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
				    M88E1000_PSCR_POLARITY_REVERSAL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	ret_val = e1000_check_polarity_m88(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	phy->is_mdix = (phy_data & M88E1000_PSSR_MDIX);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		ret_val = e1000_get_cable_length(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		phy->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
				? e1000_1000t_rx_status_ok
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
				: e1000_1000t_rx_status_not_ok;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		phy->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
				 ? e1000_1000t_rx_status_ok
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
				 : e1000_1000t_rx_status_not_ok;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		/* Set values to "undefined" */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		phy->local_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		phy->remote_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
 *  e1000e_get_phy_info_igp - Retrieve igp PHY information
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
 *  Read PHY status to determine if link is up.  If link is up, then
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
 *  set/determine 10base-T extended distance and polarity correction.  Read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
 *  determine on the cable length, local and remote receiver.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	if (!link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		e_dbg("Phy info is only valid if link is up\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	phy->polarity_correction = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	ret_val = e1000_check_polarity_igp(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	phy->is_mdix = (data & IGP01E1000_PSSR_MDIX);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
		ret_val = e1000_get_cable_length(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
				? e1000_1000t_rx_status_ok
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
				: e1000_1000t_rx_status_not_ok;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
				 ? e1000_1000t_rx_status_ok
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
				 : e1000_1000t_rx_status_not_ok;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		phy->local_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		phy->remote_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
 *  e1000_get_phy_info_ife - Retrieves various IFE PHY states
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 *  Populates "phy" structure with various feature states.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	if (!link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		e_dbg("Phy info is only valid if link is up\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	                           ? false : true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	if (phy->polarity_correction) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		ret_val = e1000_check_polarity_ife(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		/* Polarity is forced */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		                      ? e1000_rev_polarity_reversed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		                      : e1000_rev_polarity_normal;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	/* The following parameters are undefined for 10/100 operation. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	phy->local_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	phy->remote_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
 *  e1000e_phy_sw_reset - PHY software reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 *  Does a software reset of the PHY by reading the PHY control register and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
 *  setting/write the control register reset bit to the PHY.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
s32 e1000e_phy_sw_reset(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	u16 phy_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	phy_ctrl |= MII_CR_RESET;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
 *  e1000e_phy_hw_reset_generic - PHY hardware reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
 *  Verify the reset block is not blocking us from resetting.  Acquire
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
 *  semaphore (if necessary) and read/set/write the device control reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
 *  bit in the PHY.  Wait the appropriate delay time for the device to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
 *  reset and release the semaphore (if necessary).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	u32 ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	if (phy->ops.check_reset_block) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		ret_val = phy->ops.check_reset_block(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	ret_val = phy->ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	udelay(phy->reset_delay_us);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	udelay(150);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	phy->ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
	return e1000_get_phy_cfg_done(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
 *  e1000e_get_cfg_done - Generic configuration done
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 *  Generic function to wait 10 milli-seconds for configuration to complete
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
 *  and return success.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
s32 e1000e_get_cfg_done(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	mdelay(10);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
 *  e1000e_phy_init_script_igp3 - Inits the IGP3 PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
 *  Initializes a Intel Gigabit PHY3 when an EEPROM is not present.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	e_dbg("Running IGP 3 PHY init script\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	/* PHY init IGP 3 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	/* Enable rise/fall, 10-mode work in class-A */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	e1e_wphy(hw, 0x2F5B, 0x9018);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
	/* Remove all caps from Replica path filter */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	e1e_wphy(hw, 0x2F52, 0x0000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	/* Bias trimming for ADC, AFE and Driver (Default) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	e1e_wphy(hw, 0x2FB1, 0x8B24);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	/* Increase Hybrid poly bias */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	e1e_wphy(hw, 0x2FB2, 0xF8F0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	/* Add 4% to Tx amplitude in Gig mode */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	e1e_wphy(hw, 0x2010, 0x10B0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	/* Disable trimming (TTT) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	e1e_wphy(hw, 0x2011, 0x0000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	/* Poly DC correction to 94.6% + 2% for all channels */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	e1e_wphy(hw, 0x20DD, 0x249A);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	/* ABS DC correction to 95.9% */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	e1e_wphy(hw, 0x20DE, 0x00D3);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	/* BG temp curve trim */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	e1e_wphy(hw, 0x28B4, 0x04CE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	/* Increasing ADC OPAMP stage 1 currents to max */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	e1e_wphy(hw, 0x2F70, 0x29E4);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	/* Force 1000 ( required for enabling PHY regs configuration) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	e1e_wphy(hw, 0x0000, 0x0140);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	/* Set upd_freq to 6 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	e1e_wphy(hw, 0x1F30, 0x1606);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	/* Disable NPDFE */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	e1e_wphy(hw, 0x1F31, 0xB814);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	/* Disable adaptive fixed FFE (Default) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	e1e_wphy(hw, 0x1F35, 0x002A);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	/* Enable FFE hysteresis */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	e1e_wphy(hw, 0x1F3E, 0x0067);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	/* Fixed FFE for short cable lengths */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	e1e_wphy(hw, 0x1F54, 0x0065);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	/* Fixed FFE for medium cable lengths */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	e1e_wphy(hw, 0x1F55, 0x002A);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	/* Fixed FFE for long cable lengths */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	e1e_wphy(hw, 0x1F56, 0x002A);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	/* Enable Adaptive Clip Threshold */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	e1e_wphy(hw, 0x1F72, 0x3FB0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	/* AHT reset limit to 1 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	e1e_wphy(hw, 0x1F76, 0xC0FF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	/* Set AHT master delay to 127 msec */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	e1e_wphy(hw, 0x1F77, 0x1DEC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	/* Set scan bits for AHT */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	e1e_wphy(hw, 0x1F78, 0xF9EF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	/* Set AHT Preset bits */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	e1e_wphy(hw, 0x1F79, 0x0210);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	/* Change integ_factor of channel A to 3 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	e1e_wphy(hw, 0x1895, 0x0003);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	/* Change prop_factor of channels BCD to 8 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	e1e_wphy(hw, 0x1796, 0x0008);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	/* Change cg_icount + enable integbp for channels BCD */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	e1e_wphy(hw, 0x1798, 0xD008);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	 * Change cg_icount + enable integbp + change prop_factor_master
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	 * to 8 for channel A
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	e1e_wphy(hw, 0x1898, 0xD918);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	/* Disable AHT in Slave mode on channel A */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	e1e_wphy(hw, 0x187A, 0x0800);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	 * Enable LPLU and disable AN to 1000 in non-D0a states,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	 * Enable SPD+B2B
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	e1e_wphy(hw, 0x0019, 0x008D);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	/* Enable restart AN on an1000_dis change */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	e1e_wphy(hw, 0x001B, 0x2080);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	/* Enable wh_fifo read clock in 10/100 modes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	e1e_wphy(hw, 0x0014, 0x0045);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	/* Restart AN, Speed selection is 1000 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	e1e_wphy(hw, 0x0000, 0x1340);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
/* Internal function pointers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
 *  e1000_get_phy_cfg_done - Generic PHY configuration done
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
 *  Return success if silicon family did not implement a family specific
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
 *  get_cfg_done function.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	if (hw->phy.ops.get_cfg_done)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
		return hw->phy.ops.get_cfg_done(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
 *  e1000_phy_force_speed_duplex - Generic force PHY speed/duplex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
 *  When the silicon family has not implemented a forced speed/duplex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 *  function for the PHY, simply return 0.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	if (hw->phy.ops.force_speed_duplex)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		return hw->phy.ops.force_speed_duplex(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
 *  e1000e_get_phy_type_from_id - Get PHY type from id
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
 *  @phy_id: phy_id read from the phy
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
 *  Returns the phy type from the id.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	enum e1000_phy_type phy_type = e1000_phy_unknown;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	switch (phy_id) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	case M88E1000_I_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	case M88E1000_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	case M88E1111_I_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	case M88E1011_I_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
		phy_type = e1000_phy_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	case IGP01E1000_I_PHY_ID: /* IGP 1 & 2 share this */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
		phy_type = e1000_phy_igp_2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	case GG82563_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		phy_type = e1000_phy_gg82563;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	case IGP03E1000_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		phy_type = e1000_phy_igp_3;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	case IFE_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	case IFE_PLUS_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	case IFE_C_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
		phy_type = e1000_phy_ife;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	case BME1000_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	case BME1000_E_PHY_ID_R2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		phy_type = e1000_phy_bm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	case I82578_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		phy_type = e1000_phy_82578;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	case I82577_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		phy_type = e1000_phy_82577;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	case I82579_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		phy_type = e1000_phy_82579;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		phy_type = e1000_phy_unknown;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	return phy_type;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
 *  e1000e_determine_phy_address - Determines PHY address.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
 *  This uses a trial and error method to loop through possible PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
 *  addresses. It tests each by reading the PHY ID registers and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
 *  checking for a match.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
s32 e1000e_determine_phy_address(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	u32 phy_addr = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	u32 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	enum e1000_phy_type phy_type = e1000_phy_unknown;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	hw->phy.id = phy_type;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	for (phy_addr = 0; phy_addr < E1000_MAX_PHY_ADDR; phy_addr++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
		hw->phy.addr = phy_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
			e1000e_get_phy_id(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
			phy_type = e1000e_get_phy_type_from_id(hw->phy.id);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
			 * If phy_type is valid, break - we found our
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
			 * PHY address
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
			if (phy_type  != e1000_phy_unknown)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
				return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
			usleep_range(1000, 2000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
			i++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		} while (i < 10);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
	return -E1000_ERR_PHY_TYPE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
 *  e1000_get_phy_addr_for_bm_page - Retrieve PHY page address
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
 *  @page: page to access
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
 *  Returns the phy address for the page requested.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	u32 phy_addr = 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	if ((page >= 768) || (page == 0 && reg == 25) || (reg == 31))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		phy_addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	return phy_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
 *  e1000e_write_phy_reg_bm - Write BM PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
 *  Acquires semaphore, if necessary, then writes the data to PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
 *  at the offset.  Release any acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	u32 page = offset >> IGP_PAGE_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	/* Page 800 works differently than the rest so it has its own func */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
	if (page == BM_WUC_PAGE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
							 false, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		u32 page_shift, page_select;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		 * Page select is register 31 for phy address 1 and 22 for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		 * phy address 2 and 3. Page select is shifted only for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		 * phy address 1.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		if (hw->phy.addr == 1) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
			page_shift = IGP_PAGE_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
			page_select = IGP01E1000_PHY_PAGE_SELECT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
			page_shift = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
			page_select = BM_PHY_PAGE_SELECT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		/* Page is shifted left, PHY expects (page x 32) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		                                    (page << page_shift));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	                                    data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
 *  e1000e_read_phy_reg_bm - Read BM PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
 *  and storing the retrieved information in data.  Release any acquired
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
 *  semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	u32 page = offset >> IGP_PAGE_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	/* Page 800 works differently than the rest so it has its own func */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	if (page == BM_WUC_PAGE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
							 true, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
		u32 page_shift, page_select;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		 * Page select is register 31 for phy address 1 and 22 for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
		 * phy address 2 and 3. Page select is shifted only for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		 * phy address 1.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		if (hw->phy.addr == 1) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
			page_shift = IGP_PAGE_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			page_select = IGP01E1000_PHY_PAGE_SELECT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			page_shift = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
			page_select = BM_PHY_PAGE_SELECT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		/* Page is shifted left, PHY expects (page x 32) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		                                    (page << page_shift));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	                                   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
 *  e1000e_read_phy_reg_bm2 - Read BM PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
 *  and storing the retrieved information in data.  Release any acquired
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
 *  semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	/* Page 800 works differently than the rest so it has its own func */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	if (page == BM_WUC_PAGE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
							 true, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	hw->phy.addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		/* Page is shifted left, PHY expects (page x 32) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
						    page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
 *  e1000e_write_phy_reg_bm2 - Write BM PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
 *  Acquires semaphore, if necessary, then writes the data to PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
 *  at the offset.  Release any acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	/* Page 800 works differently than the rest so it has its own func */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	if (page == BM_WUC_PAGE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
							 false, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	hw->phy.addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		/* Page is shifted left, PHY expects (page x 32) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
						    page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
					    data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
 *  e1000_enable_phy_wakeup_reg_access_bm - enable access to BM wakeup registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 *  @phy_reg: pointer to store original contents of BM_WUC_ENABLE_REG
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 *  Assumes semaphore already acquired and phy_reg points to a valid memory
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
 *  address to store contents of the BM_WUC_ENABLE_REG register.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	u16 temp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	/* All page select, port ctrl and wakeup registers use phy address 1 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	hw->phy.addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	/* Select Port Control Registers page */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		e_dbg("Could not set Port Control page\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
		e_dbg("Could not read PHY register %d.%d\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	 * Enable both PHY wakeup mode and Wakeup register page writes.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	 * Prevent a power state change by disabling ME and Host PHY wakeup.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	temp = *phy_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	temp |= BM_WUC_ENABLE_BIT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	temp &= ~(BM_WUC_ME_WU_BIT | BM_WUC_HOST_WU_BIT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, temp);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
		e_dbg("Could not write PHY register %d.%d\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	 * Select Host Wakeup Registers page - caller now able to write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	 * registers on the Wakeup registers page
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	return e1000_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
 *  e1000_disable_phy_wakeup_reg_access_bm - disable access to BM wakeup regs
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
 *  @phy_reg: pointer to original contents of BM_WUC_ENABLE_REG
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
 *  Restore BM_WUC_ENABLE_REG to its original value.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
 *  Assumes semaphore already acquired and *phy_reg is the contents of the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
 *  BM_WUC_ENABLE_REG before register(s) on BM_WUC_PAGE were accessed by
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
 *  caller.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	/* Select Port Control Registers page */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
		e_dbg("Could not set Port Control page\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	/* Restore 769.17 to its original value */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, *phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		e_dbg("Could not restore PHY register %d.%d\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
 *  e1000_access_phy_wakeup_reg_bm - Read/write BM PHY wakeup register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
 *  @offset: register offset to be read or written
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 *  @data: pointer to the data to read or write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
 *  @read: determines if operation is read or write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
 *  @page_set: BM_WUC_PAGE already set and access enabled
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
 *  Read the PHY register at offset and store the retrieved information in
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
 *  data, or write data to PHY register at offset.  Note the procedure to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
 *  access the PHY wakeup registers is different than reading the other PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
 *  registers. It works as such:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
 *  1) Set 769.17.2 (page 769, register 17, bit 2) = 1
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
 *  2) Set page to 800 for host (801 if we were manageability)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
 *  3) Write the address using the address opcode (0x11)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
 *  4) Read or write the data using the data opcode (0x12)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
 *  5) Restore 769.17.2 to its original value
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
 *  Steps 1 and 2 are done by e1000_enable_phy_wakeup_reg_access_bm() and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
 *  step 5 is done by e1000_disable_phy_wakeup_reg_access_bm().
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
 *  Assumes semaphore is already acquired.  When page_set==true, assumes
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
 *  the PHY page is set to BM_WUC_PAGE (i.e. a function in the call stack
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
 *  is responsible for calls to e1000_[enable|disable]_phy_wakeup_reg_bm()).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
					  u16 *data, bool read, bool page_set)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	u16 reg = BM_PHY_REG_NUM(offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	u16 page = BM_PHY_REG_PAGE(offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	u16 phy_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	/* Gig must be disabled for MDIO accesses to Host Wakeup reg page */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	if ((hw->mac.type == e1000_pchlan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
	    (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		e_dbg("Attempting to access page %d while gig enabled.\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		      page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	if (!page_set) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		/* Enable access to PHY wakeup registers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
			e_dbg("Could not enable PHY wakeup reg access\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	e_dbg("Accessing PHY page %d reg 0x%x\n", page, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	/* Write the Wakeup register page offset value using opcode 0x11 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		e_dbg("Could not write address opcode to page %d\n", page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	if (read) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		/* Read the Wakeup register page value using opcode 0x12 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
		ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
		                                   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
		/* Write the Wakeup register page value using opcode 0x12 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
						    *data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
		e_dbg("Could not access PHY reg %d.%d\n", page, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	if (!page_set)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		ret_val = e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
 * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
 * @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
 * In the case of a PHY power down to save power, or to turn off link during a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
 * driver unload, or wake on lan is not enabled, restore the link to previous
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
 * settings.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
void e1000_power_up_phy_copper(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	u16 mii_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	/* The PHY will retain its settings across a power down/up cycle */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	mii_reg &= ~MII_CR_POWER_DOWN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	e1e_wphy(hw, PHY_CONTROL, mii_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
 * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
 * @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
 * In the case of a PHY power down to save power, or to turn off link during a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
 * driver unload, or wake on lan is not enabled, restore the link to previous
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
 * settings.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
void e1000_power_down_phy_copper(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	u16 mii_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	/* The PHY will retain its settings across a power down/up cycle */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	mii_reg |= MII_CR_POWER_DOWN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	e1e_wphy(hw, PHY_CONTROL, mii_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	usleep_range(1000, 2000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
 *  e1000e_commit_phy - Soft PHY reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
 *  Performs a soft PHY reset on those that apply. This is a function pointer
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
 *  entry point called by drivers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
s32 e1000e_commit_phy(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	if (hw->phy.ops.commit)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		return hw->phy.ops.commit(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
 *  e1000_set_d0_lplu_state - Sets low power link up state for D0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
 *  @active: boolean used to enable/disable lplu
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
 *  Success returns 0, Failure returns 1
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
 *  The low power link up (lplu) state is set to the power management level D0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
 *  and SmartSpeed is disabled when active is true, else clear lplu for D0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
 *  is used during Dx states where the power conservation is most important.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
 *  During driver activity, SmartSpeed should be enabled so performance is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
 *  maintained.  This is a function pointer entry point called by drivers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	if (hw->phy.ops.set_d0_lplu_state)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		return hw->phy.ops.set_d0_lplu_state(hw, active);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
 *  __e1000_read_phy_reg_hv -  Read HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
 *  @locked: semaphore has already been acquired or not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
 *  and stores the retrieved information in data.  Release any acquired
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
 *  semaphore before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
				   bool locked, bool page_set)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	u16 page = BM_PHY_REG_PAGE(offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	u16 reg = BM_PHY_REG_NUM(offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	u32 phy_addr = hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	if (!locked) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	/* Page 800 works differently than the rest so it has its own func */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	if (page == BM_WUC_PAGE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
							 true, page_set);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
		                                         data, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	if (!page_set) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		if (page == HV_INTC_FC_PAGE_START)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
			page = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		if (reg > MAX_PHY_MULTI_PAGE_REG) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
			/* Page is shifted left, PHY expects (page x 32) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
			ret_val = e1000_set_page_igp(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
						     (page << IGP_PAGE_SHIFT));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
			hw->phy.addr = phy_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
				goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	e_dbg("reading PHY page %d (or 0x%x shifted) reg 0x%x\n", page,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	      page << IGP_PAGE_SHIFT, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	                                  data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
out:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	if (!locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
 *  e1000_read_phy_reg_hv -  Read HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
 *  Acquires semaphore then reads the PHY register at offset and stores
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
 *  the retrieved information in data.  Release the acquired semaphore
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
 *  before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	return __e1000_read_phy_reg_hv(hw, offset, data, false, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
 *  e1000_read_phy_reg_hv_locked -  Read HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
 *  @offset: register offset to be read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
 *  @data: pointer to the read data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
 *  Reads the PHY register at offset and stores the retrieved information
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
 *  in data.  Assumes semaphore already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	return __e1000_read_phy_reg_hv(hw, offset, data, true, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
 *  e1000_read_phy_reg_page_hv - Read HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
 *  Reads the PHY register at offset and stores the retrieved information
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
 *  in data.  Assumes semaphore already acquired and page already set.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
s32 e1000_read_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	return __e1000_read_phy_reg_hv(hw, offset, data, true, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
 *  __e1000_write_phy_reg_hv - Write HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
 *  @locked: semaphore has already been acquired or not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
 *  Acquires semaphore, if necessary, then writes the data to PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
 *  at the offset.  Release any acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
				    bool locked, bool page_set)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	u16 page = BM_PHY_REG_PAGE(offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	u16 reg = BM_PHY_REG_NUM(offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	u32 phy_addr = hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	if (!locked) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	/* Page 800 works differently than the rest so it has its own func */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	if (page == BM_WUC_PAGE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
							 false, page_set);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		                                         &data, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	if (!page_set) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		if (page == HV_INTC_FC_PAGE_START)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
			page = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		 * Workaround MDIO accesses being disabled after entering IEEE
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		 * Power Down (when bit 11 of the PHY Control register is set)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		if ((hw->phy.type == e1000_phy_82578) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		    (hw->phy.revision >= 1) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		    (hw->phy.addr == 2) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		    ((MAX_PHY_REG_ADDRESS & reg) == 0) && (data & (1 << 11))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
			u16 data2 = 0x7EFF;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
			ret_val = e1000_access_phy_debug_regs_hv(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
								 (1 << 6) | 0x3,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
								 &data2, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
				goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
		if (reg > MAX_PHY_MULTI_PAGE_REG) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
			/* Page is shifted left, PHY expects (page x 32) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
			ret_val = e1000_set_page_igp(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
						     (page << IGP_PAGE_SHIFT));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
			hw->phy.addr = phy_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
				goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	e_dbg("writing PHY page %d (or 0x%x shifted) reg 0x%x\n", page,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	      page << IGP_PAGE_SHIFT, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	                                  data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
out:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	if (!locked)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
 *  e1000_write_phy_reg_hv - Write HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
 *  Acquires semaphore then writes the data to PHY register at the offset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
 *  Release the acquired semaphores before exiting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	return __e1000_write_phy_reg_hv(hw, offset, data, false, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
 *  e1000_write_phy_reg_hv_locked - Write HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
 *  Writes the data to PHY register at the offset.  Assumes semaphore
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
 *  already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	return __e1000_write_phy_reg_hv(hw, offset, data, true, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
 *  e1000_write_phy_reg_page_hv - Write HV PHY register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
 *  @offset: register offset to write to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
 *  @data: data to write at register offset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
 *  Writes the data to PHY register at the offset.  Assumes semaphore
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
 *  already acquired and page already set.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
s32 e1000_write_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	return __e1000_write_phy_reg_hv(hw, offset, data, true, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
 *  e1000_get_phy_addr_for_hv_page - Get PHY address based on page
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
 *  @page: page to be accessed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
static u32 e1000_get_phy_addr_for_hv_page(u32 page)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	u32 phy_addr = 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	if (page >= HV_INTC_FC_PAGE_START)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
		phy_addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	return phy_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 *  e1000_access_phy_debug_regs_hv - Read HV PHY vendor specific high registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 *  @offset: register offset to be read or written
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
 *  @data: pointer to the data to be read or written
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
 *  @read: determines if operation is read or write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
 *  Reads the PHY register at offset and stores the retreived information
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
 *  in data.  Assumes semaphore already acquired.  Note that the procedure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
 *  to access these regs uses the address port and data port to read/write.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
 *  These accesses done with PHY address 2 and without using pages.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
                                          u16 *data, bool read)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	u32 addr_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	u32 data_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	/* This takes care of the difference with desktop vs mobile phy */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	addr_reg = (hw->phy.type == e1000_phy_82578) ?
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	           I82578_ADDR_REG : I82577_ADDR_REG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	data_reg = addr_reg + 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	/* All operations in this function are phy address 2 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	hw->phy.addr = 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	/* masking with 0x3F to remove the page from offset */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
		e_dbg("Could not write the Address Offset port register\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	/* Read or write the data value next */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	if (read)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		ret_val = e1000e_read_phy_reg_mdic(hw, data_reg, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		e_dbg("Could not access the Data port register\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
 *  e1000_link_stall_workaround_hv - Si workaround
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
 *  This function works around a Si bug where the link partner can get
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
 *  a link up indication before the PHY does.  If small packets are sent
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
 *  by the link partner they can be placed in the packet buffer without
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
 *  being properly accounted for by the PHY and will stall preventing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
 *  further packets from being received.  The workaround is to clear the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
 *  packet buffer after the PHY detects link up.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	if (hw->phy.type != e1000_phy_82578)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	/* Do not apply workaround if in PHY loopback bit 14 set */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	e1e_rphy(hw, PHY_CONTROL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	if (data & PHY_CONTROL_LB)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	/* check if link is up and at 1Gbps */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	ret_val = e1e_rphy(hw, BM_CS_STATUS, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	data &= BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		BM_CS_STATUS_SPEED_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	if (data != (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		     BM_CS_STATUS_SPEED_1000))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	msleep(200);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	/* flush the packets in the fifo buffer */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
			   HV_MUX_DATA_CTRL_FORCE_SPEED);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	return e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
 *  e1000_check_polarity_82577 - Checks the polarity.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
 *  Polarity is determined based on the PHY specific status register.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
s32 e1000_check_polarity_82577(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
		phy->cable_polarity = (data & I82577_PHY_STATUS2_REV_POLARITY)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
		                      ? e1000_rev_polarity_reversed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
		                      : e1000_rev_polarity_normal;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
 *  e1000_phy_force_speed_duplex_82577 - Force speed/duplex for I82577 PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
 *  Calls the PHY setup function to force speed and duplex.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	if (phy->autoneg_wait_to_complete) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		e_dbg("Waiting for forced speed/duplex link on 82577 phy\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
						      100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
		if (!link)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
			e_dbg("Link taking longer than expected.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		/* Try once more */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
						      100000, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
 *  e1000_get_phy_info_82577 - Retrieve I82577 PHY information
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
 *  Read PHY status to determine if link is up.  If link is up, then
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
 *  set/determine 10base-T extended distance and polarity correction.  Read
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
 *  determine on the cable length, local and remote receiver.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	if (!link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
		e_dbg("Phy info is only valid if link is up\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	phy->polarity_correction = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	ret_val = e1000_check_polarity_82577(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	phy->is_mdix = (data & I82577_PHY_STATUS2_MDIX) ? true : false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	if ((data & I82577_PHY_STATUS2_SPEED_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	    I82577_PHY_STATUS2_SPEED_1000MBPS) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
		ret_val = hw->phy.ops.get_cable_length(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
		                ? e1000_1000t_rx_status_ok
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
		                : e1000_1000t_rx_status_not_ok;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		                 ? e1000_1000t_rx_status_ok
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		                 : e1000_1000t_rx_status_not_ok;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
		phy->local_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
		phy->remote_rx = e1000_1000t_rx_status_undefined;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
 *  e1000_get_cable_length_82577 - Determine cable length for 82577 PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
 * Reads the diagnostic status register and verifies result is valid before
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
 * placing it in the phy_cable_length field.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	u16 phy_data, length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	ret_val = e1e_rphy(hw, I82577_PHY_DIAG_STATUS, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	length = (phy_data & I82577_DSTATUS_CABLE_LENGTH) >>
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	         I82577_DSTATUS_CABLE_LENGTH_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	if (length == E1000_CABLE_LENGTH_UNDEFINED)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
		ret_val = -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	phy->cable_length = length;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
}