devices/e1000e/phy-3.16-ethercat.c
author Florian Pose <fp@igh.de>
Wed, 13 Dec 2017 15:39:13 +0100
branchstable-1.5
changeset 2693 8051d05cb935
parent 2588 792892ab4806
permissions -rw-r--r--
Improved buffer overflow messages.
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/* Intel PRO/1000 Linux driver
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 * Copyright(c) 1999 - 2014 Intel Corporation.
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 *
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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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 *
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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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 *
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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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 *
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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 "e1000-3.16-ethercat.h"
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static s32 e1000_wait_autoneg(struct e1000_hw *hw);
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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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};
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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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};
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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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/**
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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) ? 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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	u16 retry_count = 0;
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	if (!phy->ops.read_reg)
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		return 0;
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	while (retry_count < 2) {
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		ret_val = e1e_rphy(hw, MII_PHYSID1, &phy_id);
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		if (ret_val)
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			return ret_val;
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		phy->id = (u32)(phy_id << 16);
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		usleep_range(20, 40);
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		ret_val = e1e_rphy(hw, MII_PHYSID2, &phy_id);
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		if (ret_val)
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			return ret_val;
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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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		if (phy->id != 0 && phy->id != PHY_REVISION_MASK)
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			return 0;
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		retry_count++;
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	}
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	return 0;
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}
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/**
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 *  e1000e_phy_reset_dsp - Reset PHY DSP
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 *  @hw: pointer to the HW structure
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 *
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 *  Reset the digital signal processor.
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 **/
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s32 e1000e_phy_reset_dsp(struct e1000_hw *hw)
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{
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	s32 ret_val;
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	ret_val = e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);
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	if (ret_val)
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		return ret_val;
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	return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0);
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}
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/**
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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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 *
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 *  Reads the MDI control register in the PHY at offset and stores the
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 *  information read to data.
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 **/
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s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
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{
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	struct e1000_phy_info *phy = &hw->phy;
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	u32 i, mdic = 0;
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	if (offset > MAX_PHY_REG_ADDRESS) {
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		e_dbg("PHY Address %d is out of range\n", offset);
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   143
		return -E1000_ERR_PARAM;
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   144
	}
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   145
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   146
	/* Set up Op-code, Phy Address, and register offset in the MDI
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	 * Control register.  The MAC will take care of interfacing with the
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	 * PHY to retrieve the desired data.
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	 */
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   150
	mdic = ((offset << E1000_MDIC_REG_SHIFT) |
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		(phy->addr << E1000_MDIC_PHY_SHIFT) |
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   152
		(E1000_MDIC_OP_READ));
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   153
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   154
	ew32(MDIC, mdic);
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   155
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   156
	/* Poll the ready bit to see if the MDI read completed
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   157
	 * Increasing the time out as testing showed failures with
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   158
	 * the lower time out
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   159
	 */
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   160
	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
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   161
		udelay(50);
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   162
		mdic = er32(MDIC);
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   163
		if (mdic & E1000_MDIC_READY)
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   164
			break;
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   165
	}
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   166
	if (!(mdic & E1000_MDIC_READY)) {
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   167
		e_dbg("MDI Read did not complete\n");
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   168
		return -E1000_ERR_PHY;
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   169
	}
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   170
	if (mdic & E1000_MDIC_ERROR) {
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   171
		e_dbg("MDI Error\n");
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   172
		return -E1000_ERR_PHY;
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   173
	}
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   174
	if (((mdic & E1000_MDIC_REG_MASK) >> E1000_MDIC_REG_SHIFT) != offset) {
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   175
		e_dbg("MDI Read offset error - requested %d, returned %d\n",
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   176
		      offset,
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   177
		      (mdic & E1000_MDIC_REG_MASK) >> E1000_MDIC_REG_SHIFT);
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		return -E1000_ERR_PHY;
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   179
	}
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   180
	*data = (u16)mdic;
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   181
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	/* Allow some time after each MDIC transaction to avoid
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   183
	 * reading duplicate data in the next MDIC transaction.
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   184
	 */
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   185
	if (hw->mac.type == e1000_pch2lan)
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   186
		udelay(100);
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   187
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   188
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
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   189
}
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   190
792892ab4806 Added all drivers for kernel 3.16.
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   191
/**
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   192
 *  e1000e_write_phy_reg_mdic - Write MDI control register
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 *  @hw: pointer to the HW structure
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   194
 *  @offset: register offset to write to
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   195
 *  @data: data to write to register at offset
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   196
 *
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   197
 *  Writes data to MDI control register in the PHY at offset.
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   198
 **/
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   199
s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
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   200
{
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   201
	struct e1000_phy_info *phy = &hw->phy;
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   202
	u32 i, mdic = 0;
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   203
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   204
	if (offset > MAX_PHY_REG_ADDRESS) {
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   205
		e_dbg("PHY Address %d is out of range\n", offset);
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   206
		return -E1000_ERR_PARAM;
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   207
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   208
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   209
	/* Set up Op-code, Phy Address, and register offset in the MDI
792892ab4806 Added all drivers for kernel 3.16.
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parents:
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   210
	 * Control register.  The MAC will take care of interfacing with the
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   211
	 * PHY to retrieve the desired data.
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   212
	 */
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   213
	mdic = (((u32)data) |
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   214
		(offset << E1000_MDIC_REG_SHIFT) |
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   215
		(phy->addr << E1000_MDIC_PHY_SHIFT) |
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diff changeset
   216
		(E1000_MDIC_OP_WRITE));
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   217
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diff changeset
   218
	ew32(MDIC, mdic);
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parents:
diff changeset
   219
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   220
	/* Poll the ready bit to see if the MDI read completed
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   221
	 * Increasing the time out as testing showed failures with
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   222
	 * the lower time out
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   223
	 */
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   224
	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
792892ab4806 Added all drivers for kernel 3.16.
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   225
		udelay(50);
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diff changeset
   226
		mdic = er32(MDIC);
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   227
		if (mdic & E1000_MDIC_READY)
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   228
			break;
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   229
	}
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   230
	if (!(mdic & E1000_MDIC_READY)) {
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diff changeset
   231
		e_dbg("MDI Write did not complete\n");
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diff changeset
   232
		return -E1000_ERR_PHY;
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diff changeset
   233
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   234
	if (mdic & E1000_MDIC_ERROR) {
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diff changeset
   235
		e_dbg("MDI Error\n");
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   236
		return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   237
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   238
	if (((mdic & E1000_MDIC_REG_MASK) >> E1000_MDIC_REG_SHIFT) != offset) {
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   239
		e_dbg("MDI Write offset error - requested %d, returned %d\n",
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   240
		      offset,
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   241
		      (mdic & E1000_MDIC_REG_MASK) >> E1000_MDIC_REG_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   242
		return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   243
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   244
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   245
	/* Allow some time after each MDIC transaction to avoid
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	 * reading duplicate data in the next MDIC transaction.
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   247
	 */
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   248
	if (hw->mac.type == e1000_pch2lan)
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   249
		udelay(100);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   250
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   251
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   252
}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   253
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   254
/**
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   255
 *  e1000e_read_phy_reg_m88 - Read m88 PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   257
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   258
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   259
 *
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diff changeset
   260
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   261
 *  and storing the retrieved information in data.  Release any acquired
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
 *  semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   263
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   265
{
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   266
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   267
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   268
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   269
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   270
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   271
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   272
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   273
					   data);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   274
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   275
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   276
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   277
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   278
}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   279
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   280
/**
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   281
 *  e1000e_write_phy_reg_m88 - Write m88 PHY register
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   282
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   283
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   284
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   285
 *
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   286
 *  Acquires semaphore, if necessary, then writes the data to PHY register
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   287
 *  at the offset.  Release any acquired semaphores before exiting.
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   288
 **/
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   289
s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
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   290
{
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   291
	s32 ret_val;
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   292
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   293
	ret_val = hw->phy.ops.acquire(hw);
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   294
	if (ret_val)
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   295
		return ret_val;
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   296
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   297
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
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   298
					    data);
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diff changeset
   299
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   300
	hw->phy.ops.release(hw);
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   301
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   302
	return ret_val;
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diff changeset
   303
}
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   304
792892ab4806 Added all drivers for kernel 3.16.
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   305
/**
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   306
 *  e1000_set_page_igp - Set page as on IGP-like PHY(s)
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diff changeset
   307
 *  @hw: pointer to the HW structure
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diff changeset
   308
 *  @page: page to set (shifted left when necessary)
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diff changeset
   309
 *
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diff changeset
   310
 *  Sets PHY page required for PHY register access.  Assumes semaphore is
792892ab4806 Added all drivers for kernel 3.16.
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   311
 *  already acquired.  Note, this function sets phy.addr to 1 so the caller
792892ab4806 Added all drivers for kernel 3.16.
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   312
 *  must set it appropriately (if necessary) after this function returns.
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   313
 **/
792892ab4806 Added all drivers for kernel 3.16.
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   314
s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page)
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diff changeset
   315
{
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   316
	e_dbg("Setting page 0x%x\n", page);
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   317
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   318
	hw->phy.addr = 1;
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   319
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   320
	return e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, page);
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   321
}
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   322
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   323
/**
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   324
 *  __e1000e_read_phy_reg_igp - Read igp PHY register
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   325
 *  @hw: pointer to the HW structure
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parents:
diff changeset
   326
 *  @offset: register offset to be read
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diff changeset
   327
 *  @data: pointer to the read data
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diff changeset
   328
 *  @locked: semaphore has already been acquired or not
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parents:
diff changeset
   329
 *
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diff changeset
   330
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   331
 *  and stores the retrieved information in data.  Release any acquired
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parents:
diff changeset
   332
 *  semaphores before exiting.
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diff changeset
   333
 **/
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   334
static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   335
				     bool locked)
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parents:
diff changeset
   336
{
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   337
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   338
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diff changeset
   339
	if (!locked) {
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   340
		if (!hw->phy.ops.acquire)
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   341
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   342
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   343
		ret_val = hw->phy.ops.acquire(hw);
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parents:
diff changeset
   344
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   345
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   346
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   347
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   348
	if (offset > MAX_PHY_MULTI_PAGE_REG)
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parents:
diff changeset
   349
		ret_val = e1000e_write_phy_reg_mdic(hw,
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parents:
diff changeset
   350
						    IGP01E1000_PHY_PAGE_SELECT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
						    (u16)offset);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   352
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   353
		ret_val = e1000e_read_phy_reg_mdic(hw,
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   354
						   MAX_PHY_REG_ADDRESS & offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
						   data);
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parents:
diff changeset
   356
	if (!locked)
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parents:
diff changeset
   357
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   358
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   359
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   360
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
 *  e1000e_read_phy_reg_igp - Read igp PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
 *  Acquires semaphore then reads the PHY register at offset and stores the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
 *  retrieved information in data.
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   370
 *  Release the acquired semaphore before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
	return __e1000e_read_phy_reg_igp(hw, offset, data, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
 *  e1000e_read_phy_reg_igp_locked - Read igp PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
 *  Reads the PHY register at offset and stores the retrieved information
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
 *  in data.  Assumes semaphore already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
	return __e1000e_read_phy_reg_igp(hw, offset, data, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
 *  e1000e_write_phy_reg_igp - Write igp PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
 *  @locked: semaphore has already been acquired or not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
 *  Acquires semaphore, if necessary, then writes the data to PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
 *  at the offset.  Release any acquired semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
				      bool locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	if (!locked) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		if (!hw->phy.ops.acquire)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	if (offset > MAX_PHY_MULTI_PAGE_REG)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		ret_val = e1000e_write_phy_reg_mdic(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
						    IGP01E1000_PHY_PAGE_SELECT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
						    (u16)offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
						    offset, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	if (!locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
 *  e1000e_write_phy_reg_igp - Write igp PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
 *  Acquires semaphore then writes the data to PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
 *  at the offset.  Release any acquired semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	return __e1000e_write_phy_reg_igp(hw, offset, data, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
 *  e1000e_write_phy_reg_igp_locked - Write igp PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
 *  Writes the data to PHY register at the offset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
 *  Assumes semaphore already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	return __e1000e_write_phy_reg_igp(hw, offset, data, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
 *  __e1000_read_kmrn_reg - Read kumeran register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 *  @locked: semaphore has already been acquired or not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
 *  Acquires semaphore, if necessary.  Then reads the PHY register at offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
 *  using the kumeran interface.  The information retrieved is stored in data.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
 *  Release any acquired semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
				 bool locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	u32 kmrnctrlsta;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	if (!locked) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		if (!hw->phy.ops.acquire)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		       E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	ew32(KMRNCTRLSTA, kmrnctrlsta);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	udelay(2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	kmrnctrlsta = er32(KMRNCTRLSTA);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	*data = (u16)kmrnctrlsta;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	if (!locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
 *  e1000e_read_kmrn_reg -  Read kumeran register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 *  Acquires semaphore then reads the PHY register at offset using the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
 *  kumeran interface.  The information retrieved is stored in data.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 *  Release the acquired semaphore before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	return __e1000_read_kmrn_reg(hw, offset, data, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
 *  e1000e_read_kmrn_reg_locked -  Read kumeran register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
 *  Reads the PHY register at offset using the kumeran interface.  The
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
 *  information retrieved is stored in data.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
 *  Assumes semaphore already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	return __e1000_read_kmrn_reg(hw, offset, data, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
 *  __e1000_write_kmrn_reg - Write kumeran register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
 *  @locked: semaphore has already been acquired or not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
 *  Acquires semaphore, if necessary.  Then write the data to PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
 *  at the offset using the kumeran interface.  Release any acquired semaphores
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 *  before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
				  bool locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	u32 kmrnctrlsta;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	if (!locked) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		if (!hw->phy.ops.acquire)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		       E1000_KMRNCTRLSTA_OFFSET) | data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	ew32(KMRNCTRLSTA, kmrnctrlsta);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	udelay(2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	if (!locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
 *  e1000e_write_kmrn_reg -  Write kumeran register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
 *  Acquires semaphore then writes the data to the PHY register at the offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
 *  using the kumeran interface.  Release the acquired semaphore before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	return __e1000_write_kmrn_reg(hw, offset, data, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
 *  e1000e_write_kmrn_reg_locked -  Write kumeran register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
 *  Write the data to PHY register at the offset using the kumeran interface.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
 *  Assumes semaphore already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	return __e1000_write_kmrn_reg(hw, offset, data, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
 *  e1000_set_master_slave_mode - Setup PHY for Master/slave mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
 *  Sets up Master/slave mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
static s32 e1000_set_master_slave_mode(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	/* Resolve Master/Slave mode */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	ret_val = e1e_rphy(hw, MII_CTRL1000, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	/* load defaults for future use */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	hw->phy.original_ms_type = (phy_data & CTL1000_ENABLE_MASTER) ?
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	    ((phy_data & CTL1000_AS_MASTER) ?
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	     e1000_ms_force_master : e1000_ms_force_slave) : e1000_ms_auto;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	switch (hw->phy.ms_type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	case e1000_ms_force_master:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		phy_data |= (CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	case e1000_ms_force_slave:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		phy_data |= CTL1000_ENABLE_MASTER;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		phy_data &= ~(CTL1000_AS_MASTER);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	case e1000_ms_auto:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		phy_data &= ~CTL1000_ENABLE_MASTER;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		/* fall-through */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	return e1e_wphy(hw, MII_CTRL1000, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
 *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
 *  Sets up Carrier-sense on Transmit and downshift values.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	/* Enable CRS on Tx. This must be set for half-duplex operation. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	phy_data |= I82577_CFG_ASSERT_CRS_ON_TX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	/* Enable downshift */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	ret_val = e1e_wphy(hw, I82577_CFG_REG, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	/* Set MDI/MDIX mode */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	ret_val = e1e_rphy(hw, I82577_PHY_CTRL_2, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	phy_data &= ~I82577_PHY_CTRL2_MDIX_CFG_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	/* Options:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	 *   0 - Auto (default)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	 *   1 - MDI mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	 *   2 - MDI-X mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	switch (hw->phy.mdix) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	case 1:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	case 2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		phy_data |= I82577_PHY_CTRL2_MANUAL_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	case 0:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		phy_data |= I82577_PHY_CTRL2_AUTO_MDI_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	ret_val = e1e_wphy(hw, I82577_PHY_CTRL_2, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	return e1000_set_master_slave_mode(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
 *  e1000e_copper_link_setup_m88 - Setup m88 PHY's for copper link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
 *  Sets up MDI/MDI-X and polarity for m88 PHY's.  If necessary, transmit clock
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
 *  and downshift values are set also.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	/* Enable CRS on Tx. This must be set for half-duplex operation. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	/* For BM PHY this bit is downshift enable */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	if (phy->type != e1000_phy_bm)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	/* Options:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	 *   MDI/MDI-X = 0 (default)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	 *   0 - Auto for all speeds
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	 *   1 - MDI mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	 *   2 - MDI-X mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	switch (phy->mdix) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	case 1:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	case 2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	case 3:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	case 0:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	/* Options:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	 *   disable_polarity_correction = 0 (default)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	 *       Automatic Correction for Reversed Cable Polarity
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	 *   0 - Disabled
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	 *   1 - Enabled
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	if (phy->disable_polarity_correction)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	/* Enable downshift on BM (disabled by default) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	if (phy->type == e1000_phy_bm) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		/* For 82574/82583, first disable then enable downshift */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		if (phy->id == BME1000_E_PHY_ID_R2) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
			phy_data &= ~BME1000_PSCR_ENABLE_DOWNSHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
			ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
					   phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
			/* Commit the changes. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
			ret_val = phy->ops.commit(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
			if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
				e_dbg("Error committing the PHY changes\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
			}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		phy_data |= BME1000_PSCR_ENABLE_DOWNSHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	if ((phy->type == e1000_phy_m88) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	    (phy->revision < E1000_REVISION_4) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	    (phy->id != BME1000_E_PHY_ID_R2)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		/* Force TX_CLK in the Extended PHY Specific Control Register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		 * to 25MHz clock.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		phy_data |= M88E1000_EPSCR_TX_CLK_25;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		if ((phy->revision == 2) && (phy->id == M88E1111_I_PHY_ID)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
			/* 82573L PHY - set the downshift counter to 5x. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
			phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
			/* Configure Master and Slave downshift values */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	if ((phy->type == e1000_phy_bm) && (phy->id == BME1000_E_PHY_ID_R2)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		/* Set PHY page 0, register 29 to 0x0003 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		ret_val = e1e_wphy(hw, 29, 0x0003);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		/* Set PHY page 0, register 30 to 0x0000 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		ret_val = e1e_wphy(hw, 30, 0x0000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	/* Commit the changes. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	if (phy->ops.commit) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		ret_val = phy->ops.commit(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
			e_dbg("Error committing the PHY changes\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	if (phy->type == e1000_phy_82578) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
		/* 82578 PHY - set the downshift count to 1x. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
 *  e1000e_copper_link_setup_igp - Setup igp PHY's for copper link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
 *  Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
 *  igp PHY's.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	ret_val = e1000_phy_hw_reset(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		e_dbg("Error resetting the PHY.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	/* Wait 100ms for MAC to configure PHY from NVM settings, to avoid
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	 * timeout issues when LFS is enabled.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	msleep(100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	/* disable lplu d0 during driver init */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	if (hw->phy.ops.set_d0_lplu_state) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		ret_val = hw->phy.ops.set_d0_lplu_state(hw, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
			e_dbg("Error Disabling LPLU D0\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	/* Configure mdi-mdix settings */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	data &= ~IGP01E1000_PSCR_AUTO_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	switch (phy->mdix) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	case 1:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	case 2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	case 0:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		data |= IGP01E1000_PSCR_AUTO_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	/* set auto-master slave resolution settings */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	if (hw->mac.autoneg) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		/* when autonegotiation advertisement is only 1000Mbps then we
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		 * should disable SmartSpeed and enable Auto MasterSlave
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		 * resolution as hardware default.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
			/* Disable SmartSpeed */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
					   &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
			/* Set auto Master/Slave resolution process */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
			ret_val = e1e_rphy(hw, MII_CTRL1000, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
			data &= ~CTL1000_ENABLE_MASTER;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
			ret_val = e1e_wphy(hw, MII_CTRL1000, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		ret_val = e1000_set_master_slave_mode(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
 *  e1000_phy_setup_autoneg - Configure PHY for auto-negotiation
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
 *  Reads the MII auto-neg advertisement register and/or the 1000T control
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
 *  register and if the PHY is already setup for auto-negotiation, then
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
 *  return successful.  Otherwise, setup advertisement and flow control to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
 *  the appropriate values for the wanted auto-negotiation.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	u16 mii_autoneg_adv_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	u16 mii_1000t_ctrl_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	phy->autoneg_advertised &= phy->autoneg_mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	ret_val = e1e_rphy(hw, MII_ADVERTISE, &mii_autoneg_adv_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		/* Read the MII 1000Base-T Control Register (Address 9). */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		ret_val = e1e_rphy(hw, MII_CTRL1000, &mii_1000t_ctrl_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	/* Need to parse both autoneg_advertised and fc and set up
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	 * the appropriate PHY registers.  First we will parse for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	 * autoneg_advertised software override.  Since we can advertise
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	 * a plethora of combinations, we need to check each bit
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	 * individually.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	 * the  1000Base-T Control Register (Address 9).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	mii_autoneg_adv_reg &= ~(ADVERTISE_100FULL |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
				 ADVERTISE_100HALF |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
				 ADVERTISE_10FULL | ADVERTISE_10HALF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	mii_1000t_ctrl_reg &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	/* Do we want to advertise 10 Mb Half Duplex? */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		e_dbg("Advertise 10mb Half duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		mii_autoneg_adv_reg |= ADVERTISE_10HALF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	/* Do we want to advertise 10 Mb Full Duplex? */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		e_dbg("Advertise 10mb Full duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		mii_autoneg_adv_reg |= ADVERTISE_10FULL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	/* Do we want to advertise 100 Mb Half Duplex? */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		e_dbg("Advertise 100mb Half duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		mii_autoneg_adv_reg |= ADVERTISE_100HALF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	/* Do we want to advertise 100 Mb Full Duplex? */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		e_dbg("Advertise 100mb Full duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		mii_autoneg_adv_reg |= ADVERTISE_100FULL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		e_dbg("Advertise 1000mb Half duplex request denied!\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	/* Do we want to advertise 1000 Mb Full Duplex? */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		e_dbg("Advertise 1000mb Full duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		mii_1000t_ctrl_reg |= ADVERTISE_1000FULL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	/* Check for a software override of the flow control settings, and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	 * setup the PHY advertisement registers accordingly.  If
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	 * auto-negotiation is enabled, then software will have to set the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	 * "PAUSE" bits to the correct value in the Auto-Negotiation
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	 * Advertisement Register (MII_ADVERTISE) and re-start auto-
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	 * negotiation.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	 * The possible values of the "fc" parameter are:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	 *      0:  Flow control is completely disabled
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	 *      1:  Rx flow control is enabled (we can receive pause frames
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	 *          but not send pause frames).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	 *      2:  Tx flow control is enabled (we can send pause frames
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	 *          but we do not support receiving pause frames).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	 *  other:  No software override.  The flow control configuration
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	 *          in the EEPROM is used.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	switch (hw->fc.current_mode) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	case e1000_fc_none:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		/* Flow control (Rx & Tx) is completely disabled by a
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		 * software over-ride.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		mii_autoneg_adv_reg &=
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		    ~(ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	case e1000_fc_rx_pause:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		/* Rx Flow control is enabled, and Tx Flow control is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		 * disabled, by a software over-ride.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		 * Since there really isn't a way to advertise that we are
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		 * capable of Rx Pause ONLY, we will advertise that we
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		 * support both symmetric and asymmetric Rx PAUSE.  Later
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		 * (in e1000e_config_fc_after_link_up) we will disable the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		 * hw's ability to send PAUSE frames.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		mii_autoneg_adv_reg |=
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		    (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	case e1000_fc_tx_pause:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		/* Tx Flow control is enabled, and Rx Flow control is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		 * disabled, by a software over-ride.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		mii_autoneg_adv_reg |= ADVERTISE_PAUSE_ASYM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		mii_autoneg_adv_reg &= ~ADVERTISE_PAUSE_CAP;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	case e1000_fc_full:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		/* Flow control (both Rx and Tx) is enabled by a software
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		 * over-ride.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		mii_autoneg_adv_reg |=
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		    (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		e_dbg("Flow control param set incorrectly\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	ret_val = e1e_wphy(hw, MII_ADVERTISE, mii_autoneg_adv_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	if (phy->autoneg_mask & ADVERTISE_1000_FULL)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		ret_val = e1e_wphy(hw, MII_CTRL1000, mii_1000t_ctrl_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
 *  e1000_copper_link_autoneg - Setup/Enable autoneg for copper link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
 *  Performs initial bounds checking on autoneg advertisement parameter, then
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
 *  configure to advertise the full capability.  Setup the PHY to autoneg
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
 *  and restart the negotiation process between the link partner.  If
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
 *  autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	u16 phy_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	/* Perform some bounds checking on the autoneg advertisement
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	 * parameter.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	phy->autoneg_advertised &= phy->autoneg_mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	/* If autoneg_advertised is zero, we assume it was not defaulted
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	 * by the calling code so we set to advertise full capability.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	if (!phy->autoneg_advertised)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		phy->autoneg_advertised = phy->autoneg_mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	e_dbg("Reconfiguring auto-neg advertisement params\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	ret_val = e1000_phy_setup_autoneg(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		e_dbg("Error Setting up Auto-Negotiation\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	e_dbg("Restarting Auto-Neg\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	 * the Auto Neg Restart bit in the PHY control register.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	ret_val = e1e_rphy(hw, MII_BMCR, &phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	phy_ctrl |= (BMCR_ANENABLE | BMCR_ANRESTART);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	ret_val = e1e_wphy(hw, MII_BMCR, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	/* Does the user want to wait for Auto-Neg to complete here, or
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	 * check at a later time (for example, callback routine).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	if (phy->autoneg_wait_to_complete) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		ret_val = e1000_wait_autoneg(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
			e_dbg("Error while waiting for autoneg to complete\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	hw->mac.get_link_status = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
 *  e1000e_setup_copper_link - Configure copper link settings
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
 *  Calls the appropriate function to configure the link for auto-neg or forced
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
 *  speed and duplex.  Then we check for link, once link is established calls
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
 *  to configure collision distance and flow control are called.  If link is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
 *  not established, we return -E1000_ERR_PHY (-2).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
s32 e1000e_setup_copper_link(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	if (hw->mac.autoneg) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		/* Setup autoneg and flow control advertisement and perform
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		 * autonegotiation.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		ret_val = e1000_copper_link_autoneg(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		/* PHY will be set to 10H, 10F, 100H or 100F
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		 * depending on user settings.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		e_dbg("Forcing Speed and Duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		ret_val = hw->phy.ops.force_speed_duplex(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
			e_dbg("Error Forcing Speed and Duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	/* Check link status. Wait up to 100 microseconds for link to become
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	 * valid.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	ret_val = e1000e_phy_has_link_generic(hw, COPPER_LINK_UP_LIMIT, 10,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
					      &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	if (link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		e_dbg("Valid link established!!!\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		hw->mac.ops.config_collision_dist(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		ret_val = e1000e_config_fc_after_link_up(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		e_dbg("Unable to establish link!!!\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
 *  e1000e_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 *  Calls the PHY setup function to force speed and duplex.  Clears the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 *  auto-crossover to force MDI manually.  Waits for link and returns
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
 *  successful if link up is successful, else -E1000_ERR_PHY (-2).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	ret_val = e1e_rphy(hw, MII_BMCR, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	ret_val = e1e_wphy(hw, MII_BMCR, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	 * forced whenever speed and duplex are forced.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	e_dbg("IGP PSCR: %X\n", phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	if (phy->autoneg_wait_to_complete) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		e_dbg("Waiting for forced speed/duplex link on IGP phy.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
		if (!link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			e_dbg("Link taking longer than expected.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		/* Try once more */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
 *  e1000e_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
 *  Calls the PHY setup function to force speed and duplex.  Clears the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
 *  auto-crossover to force MDI manually.  Resets the PHY to commit the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
 *  changes.  If time expires while waiting for link up, we reset the DSP.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
 *  After reset, TX_CLK and CRS on Tx must be set.  Return successful upon
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 *  successful completion, else return corresponding error code.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	/* Clear Auto-Crossover to force MDI manually.  M88E1000 requires MDI
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	 * forced whenever speed and duplex are forced.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	e_dbg("M88E1000 PSCR: %X\n", phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	ret_val = e1e_rphy(hw, MII_BMCR, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	ret_val = e1e_wphy(hw, MII_BMCR, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	/* Reset the phy to commit changes. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	if (hw->phy.ops.commit) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
		ret_val = hw->phy.ops.commit(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	if (phy->autoneg_wait_to_complete) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		e_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		if (!link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
			if (hw->phy.type != e1000_phy_m88) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
				e_dbg("Link taking longer than expected.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
			} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
				/* We didn't get link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
				 * Reset the DSP and cross our fingers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
				 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
				ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
						   0x001d);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
				if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
					return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
				ret_val = e1000e_phy_reset_dsp(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
				if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
					return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
			}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		/* Try once more */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	if (hw->phy.type != e1000_phy_m88)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	/* Resetting the phy means we need to re-force TX_CLK in the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	 * Extended PHY Specific Control Register to 25MHz clock from
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	 * the reset value of 2.5MHz.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	phy_data |= M88E1000_EPSCR_TX_CLK_25;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	/* In addition, we must re-enable CRS on Tx for both half and full
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	 * duplex.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
 *  e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
 *  Forces the speed and duplex settings of the PHY.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
 *  This is a function pointer entry point only called by
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
 *  PHY setup routines.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	ret_val = e1e_rphy(hw, MII_BMCR, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	e1000e_phy_force_speed_duplex_setup(hw, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	ret_val = e1e_wphy(hw, MII_BMCR, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	/* Disable MDI-X support for 10/100 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	data &= ~IFE_PMC_AUTO_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	data &= ~IFE_PMC_FORCE_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	e_dbg("IFE PMC: %X\n", data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	if (phy->autoneg_wait_to_complete) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		if (!link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
			e_dbg("Link taking longer than expected.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		/* Try once more */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
 *  e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
 *  @phy_ctrl: pointer to current value of MII_BMCR
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
 *  Forces speed and duplex on the PHY by doing the following: disable flow
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
 *  control, force speed/duplex on the MAC, disable auto speed detection,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
 *  disable auto-negotiation, configure duplex, configure speed, configure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
 *  the collision distance, write configuration to CTRL register.  The
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
 *  caller must write to the MII_BMCR register for these settings to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
 *  take affect.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	struct e1000_mac_info *mac = &hw->mac;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	u32 ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	/* Turn off flow control when forcing speed/duplex */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	hw->fc.current_mode = e1000_fc_none;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	/* Force speed/duplex on the mac */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	ctrl = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	ctrl &= ~E1000_CTRL_SPD_SEL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	/* Disable Auto Speed Detection */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	ctrl &= ~E1000_CTRL_ASDE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	/* Disable autoneg on the phy */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	*phy_ctrl &= ~BMCR_ANENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	/* Forcing Full or Half Duplex? */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
		ctrl &= ~E1000_CTRL_FD;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		*phy_ctrl &= ~BMCR_FULLDPLX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
		e_dbg("Half Duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		ctrl |= E1000_CTRL_FD;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		*phy_ctrl |= BMCR_FULLDPLX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		e_dbg("Full Duplex\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	/* Forcing 10mb or 100mb? */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		ctrl |= E1000_CTRL_SPD_100;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		*phy_ctrl |= BMCR_SPEED100;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		*phy_ctrl &= ~BMCR_SPEED1000;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		e_dbg("Forcing 100mb\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
		*phy_ctrl &= ~(BMCR_SPEED1000 | BMCR_SPEED100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		e_dbg("Forcing 10mb\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	hw->mac.ops.config_collision_dist(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	ew32(CTRL, ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
 *  e1000e_set_d3_lplu_state - Sets low power link up state for D3
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
 *  @active: boolean used to enable/disable lplu
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
 *  Success returns 0, Failure returns 1
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
 *  The low power link up (lplu) state is set to the power management level D3
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
 *  and SmartSpeed is disabled when active is true, else clear lplu for D3
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
 *  is used during Dx states where the power conservation is most important.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
 *  During driver activity, SmartSpeed should be enabled so performance is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
 *  maintained.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	if (!active) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		data &= ~IGP02E1000_PM_D3_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		 * during Dx states where the power conservation is most
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		 * important.  During driver activity we should enable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		 * SmartSpeed, so performance is maintained.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		if (phy->smart_speed == e1000_smart_speed_on) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
					   &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
			data |= IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		} else if (phy->smart_speed == e1000_smart_speed_off) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
					   &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		data |= IGP02E1000_PM_D3_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		/* When LPLU is enabled, we should disable SmartSpeed */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
 *  e1000e_check_downshift - Checks whether a downshift in speed occurred
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
 *  Success returns 0, Failure returns 1
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
 *  A downshift is detected by querying the PHY link health.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
s32 e1000e_check_downshift(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	u16 phy_data, offset, mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	switch (phy->type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	case e1000_phy_m88:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	case e1000_phy_gg82563:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	case e1000_phy_bm:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	case e1000_phy_82578:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		offset = M88E1000_PHY_SPEC_STATUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		mask = M88E1000_PSSR_DOWNSHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	case e1000_phy_igp_2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	case e1000_phy_igp_3:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		offset = IGP01E1000_PHY_LINK_HEALTH;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		mask = IGP01E1000_PLHR_SS_DOWNGRADE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		/* speed downshift not supported */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
		phy->speed_downgraded = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	ret_val = e1e_rphy(hw, offset, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		phy->speed_downgraded = !!(phy_data & mask);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
 *  e1000_check_polarity_m88 - Checks the polarity.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
 *  Polarity is determined based on the PHY specific status register.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
s32 e1000_check_polarity_m88(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		phy->cable_polarity = ((data & M88E1000_PSSR_REV_POLARITY)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
				       ? e1000_rev_polarity_reversed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
				       : e1000_rev_polarity_normal);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
 *  e1000_check_polarity_igp - Checks the polarity.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 *  Polarity is determined based on the PHY port status register, and the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 *  current speed (since there is no polarity at 100Mbps).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
s32 e1000_check_polarity_igp(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	u16 data, offset, mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	/* Polarity is determined based on the speed of
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	 * our connection.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		offset = IGP01E1000_PHY_PCS_INIT_REG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		mask = IGP01E1000_PHY_POLARITY_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		/* This really only applies to 10Mbps since
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		 * there is no polarity for 100Mbps (always 0).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		offset = IGP01E1000_PHY_PORT_STATUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		mask = IGP01E1000_PSSR_POLARITY_REVERSED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	ret_val = e1e_rphy(hw, offset, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		phy->cable_polarity = ((data & mask)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
				       ? e1000_rev_polarity_reversed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
				       : e1000_rev_polarity_normal);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
 *  e1000_check_polarity_ife - Check cable polarity for IFE PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
 *  Polarity is determined on the polarity reversal feature being enabled.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
s32 e1000_check_polarity_ife(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	u16 phy_data, offset, mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	/* Polarity is determined based on the reversal feature being enabled.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	if (phy->polarity_correction) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		mask = IFE_PESC_POLARITY_REVERSED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		offset = IFE_PHY_SPECIAL_CONTROL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
		mask = IFE_PSC_FORCE_POLARITY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	ret_val = e1e_rphy(hw, offset, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		phy->cable_polarity = ((phy_data & mask)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
				       ? e1000_rev_polarity_reversed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
				       : e1000_rev_polarity_normal);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
 *  e1000_wait_autoneg - Wait for auto-neg completion
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
 *  Waits for auto-negotiation to complete or for the auto-negotiation time
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
 *  limit to expire, which ever happens first.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
static s32 e1000_wait_autoneg(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	u16 i, phy_status;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	/* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		ret_val = e1e_rphy(hw, MII_BMSR, &phy_status);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
		ret_val = e1e_rphy(hw, MII_BMSR, &phy_status);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		if (phy_status & BMSR_ANEGCOMPLETE)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		msleep(100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	/* PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	 * has completed.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
 *  e1000e_phy_has_link_generic - Polls PHY for link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
 *  @iterations: number of times to poll for link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
 *  @usec_interval: delay between polling attempts
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
 *  @success: pointer to whether polling was successful or not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
 *  Polls the PHY status register for link, 'iterations' number of times.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
				u32 usec_interval, bool *success)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	u16 i, phy_status;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	for (i = 0; i < iterations; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		/* Some PHYs require the MII_BMSR register to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		 * twice due to the link bit being sticky.  No harm doing
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		 * it across the board.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		ret_val = e1e_rphy(hw, MII_BMSR, &phy_status);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
			/* If the first read fails, another entity may have
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
			 * ownership of the resources, wait and try again to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
			 * see if they have relinquished the resources yet.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
			if (usec_interval >= 1000)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
				msleep(usec_interval / 1000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
			else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
				udelay(usec_interval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		ret_val = e1e_rphy(hw, MII_BMSR, &phy_status);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		if (phy_status & BMSR_LSTATUS)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		if (usec_interval >= 1000)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
			msleep(usec_interval / 1000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
			udelay(usec_interval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	*success = (i < iterations);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
 *  e1000e_get_cable_length_m88 - Determine cable length for m88 PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
 *  Reads the PHY specific status register to retrieve the cable length
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
 *  information.  The cable length is determined by averaging the minimum and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
 *  maximum values to get the "average" cable length.  The m88 PHY has four
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
 *  possible cable length values, which are:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
 *	Register Value		Cable Length
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
 *	0			< 50 meters
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
 *	1			50 - 80 meters
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
 *	2			80 - 110 meters
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
 *	3			110 - 140 meters
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
 *	4			> 140 meters
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
s32 e1000e_get_cable_length_m88(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	u16 phy_data, index;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	index = ((phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		 M88E1000_PSSR_CABLE_LENGTH_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	phy->min_cable_length = e1000_m88_cable_length_table[index];
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
 *  e1000e_get_cable_length_igp_2 - Determine cable length for igp2 PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
 *  The automatic gain control (agc) normalizes the amplitude of the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
 *  received signal, adjusting for the attenuation produced by the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
 *  cable.  By reading the AGC registers, which represent the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
 *  combination of coarse and fine gain value, the value can be put
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
 *  into a lookup table to obtain the approximate cable length
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
 *  for each channel.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	u16 phy_data, i, agc_value = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	u16 cur_agc_index, max_agc_index = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
		IGP02E1000_PHY_AGC_A,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		IGP02E1000_PHY_AGC_B,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
		IGP02E1000_PHY_AGC_C,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
		IGP02E1000_PHY_AGC_D
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	/* Read the AGC registers for all channels */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
		ret_val = e1e_rphy(hw, agc_reg_array[i], &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
		/* Getting bits 15:9, which represent the combination of
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		 * coarse and fine gain values.  The result is a number
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		 * that can be put into the lookup table to obtain the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		 * approximate cable length.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		cur_agc_index = ((phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
				 IGP02E1000_AGC_LENGTH_MASK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		/* Array index bound check. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		if ((cur_agc_index >= IGP02E1000_CABLE_LENGTH_TABLE_SIZE) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		    (cur_agc_index == 0))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
			return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		/* Remove min & max AGC values from calculation. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		if (e1000_igp_2_cable_length_table[min_agc_index] >
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		    e1000_igp_2_cable_length_table[cur_agc_index])
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			min_agc_index = cur_agc_index;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		if (e1000_igp_2_cable_length_table[max_agc_index] <
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		    e1000_igp_2_cable_length_table[cur_agc_index])
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
			max_agc_index = cur_agc_index;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		agc_value += e1000_igp_2_cable_length_table[cur_agc_index];
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] +
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		      e1000_igp_2_cable_length_table[max_agc_index]);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	/* Calculate cable length with the error range of +/- 10 meters. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	phy->min_cable_length = (((agc_value - IGP02E1000_AGC_RANGE) > 0) ?
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
				 (agc_value - IGP02E1000_AGC_RANGE) : 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
 *  e1000e_get_phy_info_m88 - Retrieve PHY information
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
 *  Valid for only copper links.  Read the PHY status register (sticky read)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
 *  to verify that link is up.  Read the PHY special control register to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
 *  determine the polarity and 10base-T extended distance.  Read the PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
 *  special status register to determine MDI/MDIx and current speed.  If
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
 *  speed is 1000, then determine cable length, local and remote receiver.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	if (phy->media_type != e1000_media_type_copper) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
		e_dbg("Phy info is only valid for copper media\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
	if (!link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		e_dbg("Phy info is only valid if link is up\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	phy->polarity_correction = !!(phy_data &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
				      M88E1000_PSCR_POLARITY_REVERSAL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	ret_val = e1000_check_polarity_m88(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	phy->is_mdix = !!(phy_data & M88E1000_PSSR_MDIX);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		ret_val = hw->phy.ops.get_cable_length(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		ret_val = e1e_rphy(hw, MII_STAT1000, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		phy->local_rx = (phy_data & LPA_1000LOCALRXOK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		    ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		phy->remote_rx = (phy_data & LPA_1000REMRXOK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		    ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		/* Set values to "undefined" */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		phy->local_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		phy->remote_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
 *  e1000e_get_phy_info_igp - Retrieve igp PHY information
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
 *  Read PHY status to determine if link is up.  If link is up, then
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
 *  set/determine 10base-T extended distance and polarity correction.  Read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
 *  determine on the cable length, local and remote receiver.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	if (!link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		e_dbg("Phy info is only valid if link is up\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	phy->polarity_correction = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	ret_val = e1000_check_polarity_igp(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	phy->is_mdix = !!(data & IGP01E1000_PSSR_MDIX);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
	    IGP01E1000_PSSR_SPEED_1000MBPS) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
		ret_val = phy->ops.get_cable_length(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		ret_val = e1e_rphy(hw, MII_STAT1000, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
		phy->local_rx = (data & LPA_1000LOCALRXOK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
		    ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
		phy->remote_rx = (data & LPA_1000REMRXOK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
		    ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		phy->local_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		phy->remote_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
 *  e1000_get_phy_info_ife - Retrieves various IFE PHY states
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
 *  Populates "phy" structure with various feature states.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	if (!link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		e_dbg("Phy info is only valid if link is up\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	phy->polarity_correction = !(data & IFE_PSC_AUTO_POLARITY_DISABLE);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	if (phy->polarity_correction) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		ret_val = e1000_check_polarity_ife(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		/* Polarity is forced */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		phy->cable_polarity = ((data & IFE_PSC_FORCE_POLARITY)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
				       ? e1000_rev_polarity_reversed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
				       : e1000_rev_polarity_normal);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	phy->is_mdix = !!(data & IFE_PMC_MDIX_STATUS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	/* The following parameters are undefined for 10/100 operation. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	phy->local_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	phy->remote_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
 *  e1000e_phy_sw_reset - PHY software reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
 *  Does a software reset of the PHY by reading the PHY control register and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
 *  setting/write the control register reset bit to the PHY.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
s32 e1000e_phy_sw_reset(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	u16 phy_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	ret_val = e1e_rphy(hw, MII_BMCR, &phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	phy_ctrl |= BMCR_RESET;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	ret_val = e1e_wphy(hw, MII_BMCR, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
 *  e1000e_phy_hw_reset_generic - PHY hardware reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
 *  Verify the reset block is not blocking us from resetting.  Acquire
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
 *  semaphore (if necessary) and read/set/write the device control reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
 *  bit in the PHY.  Wait the appropriate delay time for the device to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
 *  reset and release the semaphore (if necessary).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	u32 ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	if (phy->ops.check_reset_block) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		ret_val = phy->ops.check_reset_block(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	ret_val = phy->ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	ctrl = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	ew32(CTRL, ctrl | E1000_CTRL_PHY_RST);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	udelay(phy->reset_delay_us);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	ew32(CTRL, ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	usleep_range(150, 300);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	phy->ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	return phy->ops.get_cfg_done(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
 *  e1000e_get_cfg_done_generic - Generic configuration done
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 *  Generic function to wait 10 milli-seconds for configuration to complete
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 *  and return success.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
s32 e1000e_get_cfg_done_generic(struct e1000_hw __always_unused *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	mdelay(10);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 *  e1000e_phy_init_script_igp3 - Inits the IGP3 PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
 *  Initializes a Intel Gigabit PHY3 when an EEPROM is not present.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	e_dbg("Running IGP 3 PHY init script\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	/* PHY init IGP 3 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	/* Enable rise/fall, 10-mode work in class-A */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	e1e_wphy(hw, 0x2F5B, 0x9018);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	/* Remove all caps from Replica path filter */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	e1e_wphy(hw, 0x2F52, 0x0000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	/* Bias trimming for ADC, AFE and Driver (Default) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	e1e_wphy(hw, 0x2FB1, 0x8B24);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	/* Increase Hybrid poly bias */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	e1e_wphy(hw, 0x2FB2, 0xF8F0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	/* Add 4% to Tx amplitude in Gig mode */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	e1e_wphy(hw, 0x2010, 0x10B0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	/* Disable trimming (TTT) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	e1e_wphy(hw, 0x2011, 0x0000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	/* Poly DC correction to 94.6% + 2% for all channels */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
	e1e_wphy(hw, 0x20DD, 0x249A);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	/* ABS DC correction to 95.9% */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	e1e_wphy(hw, 0x20DE, 0x00D3);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	/* BG temp curve trim */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	e1e_wphy(hw, 0x28B4, 0x04CE);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	/* Increasing ADC OPAMP stage 1 currents to max */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	e1e_wphy(hw, 0x2F70, 0x29E4);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	/* Force 1000 ( required for enabling PHY regs configuration) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	e1e_wphy(hw, 0x0000, 0x0140);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	/* Set upd_freq to 6 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	e1e_wphy(hw, 0x1F30, 0x1606);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	/* Disable NPDFE */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	e1e_wphy(hw, 0x1F31, 0xB814);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	/* Disable adaptive fixed FFE (Default) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	e1e_wphy(hw, 0x1F35, 0x002A);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	/* Enable FFE hysteresis */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	e1e_wphy(hw, 0x1F3E, 0x0067);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	/* Fixed FFE for short cable lengths */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	e1e_wphy(hw, 0x1F54, 0x0065);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	/* Fixed FFE for medium cable lengths */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	e1e_wphy(hw, 0x1F55, 0x002A);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	/* Fixed FFE for long cable lengths */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	e1e_wphy(hw, 0x1F56, 0x002A);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	/* Enable Adaptive Clip Threshold */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	e1e_wphy(hw, 0x1F72, 0x3FB0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	/* AHT reset limit to 1 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	e1e_wphy(hw, 0x1F76, 0xC0FF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	/* Set AHT master delay to 127 msec */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	e1e_wphy(hw, 0x1F77, 0x1DEC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	/* Set scan bits for AHT */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	e1e_wphy(hw, 0x1F78, 0xF9EF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	/* Set AHT Preset bits */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	e1e_wphy(hw, 0x1F79, 0x0210);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	/* Change integ_factor of channel A to 3 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	e1e_wphy(hw, 0x1895, 0x0003);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	/* Change prop_factor of channels BCD to 8 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	e1e_wphy(hw, 0x1796, 0x0008);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	/* Change cg_icount + enable integbp for channels BCD */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	e1e_wphy(hw, 0x1798, 0xD008);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	/* Change cg_icount + enable integbp + change prop_factor_master
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	 * to 8 for channel A
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	e1e_wphy(hw, 0x1898, 0xD918);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	/* Disable AHT in Slave mode on channel A */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	e1e_wphy(hw, 0x187A, 0x0800);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	/* Enable LPLU and disable AN to 1000 in non-D0a states,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	 * Enable SPD+B2B
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	e1e_wphy(hw, 0x0019, 0x008D);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	/* Enable restart AN on an1000_dis change */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	e1e_wphy(hw, 0x001B, 0x2080);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	/* Enable wh_fifo read clock in 10/100 modes */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	e1e_wphy(hw, 0x0014, 0x0045);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	/* Restart AN, Speed selection is 1000 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	e1e_wphy(hw, 0x0000, 0x1340);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
 *  e1000e_get_phy_type_from_id - Get PHY type from id
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
 *  @phy_id: phy_id read from the phy
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
 *  Returns the phy type from the id.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	enum e1000_phy_type phy_type = e1000_phy_unknown;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	switch (phy_id) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	case M88E1000_I_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	case M88E1000_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	case M88E1111_I_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	case M88E1011_I_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
		phy_type = e1000_phy_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	case IGP01E1000_I_PHY_ID:	/* IGP 1 & 2 share this */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		phy_type = e1000_phy_igp_2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	case GG82563_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
		phy_type = e1000_phy_gg82563;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	case IGP03E1000_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
		phy_type = e1000_phy_igp_3;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	case IFE_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	case IFE_PLUS_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	case IFE_C_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
		phy_type = e1000_phy_ife;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	case BME1000_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	case BME1000_E_PHY_ID_R2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
		phy_type = e1000_phy_bm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	case I82578_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		phy_type = e1000_phy_82578;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	case I82577_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		phy_type = e1000_phy_82577;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	case I82579_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
		phy_type = e1000_phy_82579;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	case I217_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		phy_type = e1000_phy_i217;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
		phy_type = e1000_phy_unknown;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	return phy_type;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
 *  e1000e_determine_phy_address - Determines PHY address.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
 *  This uses a trial and error method to loop through possible PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
 *  addresses. It tests each by reading the PHY ID registers and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
 *  checking for a match.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
s32 e1000e_determine_phy_address(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	u32 phy_addr = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	u32 i;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	enum e1000_phy_type phy_type = e1000_phy_unknown;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	hw->phy.id = phy_type;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	for (phy_addr = 0; phy_addr < E1000_MAX_PHY_ADDR; phy_addr++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
		hw->phy.addr = phy_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
		i = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
		do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
			e1000e_get_phy_id(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
			phy_type = e1000e_get_phy_type_from_id(hw->phy.id);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
			/* If phy_type is valid, break - we found our
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
			 * PHY address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			if (phy_type != e1000_phy_unknown)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
				return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
			usleep_range(1000, 2000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			i++;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		} while (i < 10);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	return -E1000_ERR_PHY_TYPE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
 *  e1000_get_phy_addr_for_bm_page - Retrieve PHY page address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
 *  @page: page to access
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
 *  Returns the phy address for the page requested.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	u32 phy_addr = 2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	if ((page >= 768) || (page == 0 && reg == 25) || (reg == 31))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		phy_addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	return phy_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
 *  e1000e_write_phy_reg_bm - Write BM PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
 *  Acquires semaphore, if necessary, then writes the data to PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
 *  at the offset.  Release any acquired semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	u32 page = offset >> IGP_PAGE_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	/* Page 800 works differently than the rest so it has its own func */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	if (page == BM_WUC_PAGE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
							 false, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
		u32 page_shift, page_select;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		/* Page select is register 31 for phy address 1 and 22 for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		 * phy address 2 and 3. Page select is shifted only for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		 * phy address 1.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		if (hw->phy.addr == 1) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			page_shift = IGP_PAGE_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
			page_select = IGP01E1000_PHY_PAGE_SELECT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
			page_shift = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			page_select = BM_PHY_PAGE_SELECT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
		/* Page is shifted left, PHY expects (page x 32) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
						    (page << page_shift));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
					    data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
 *  e1000e_read_phy_reg_bm - Read BM PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
 *  and storing the retrieved information in data.  Release any acquired
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
 *  semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	u32 page = offset >> IGP_PAGE_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	/* Page 800 works differently than the rest so it has its own func */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	if (page == BM_WUC_PAGE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
							 true, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		u32 page_shift, page_select;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		/* Page select is register 31 for phy address 1 and 22 for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
		 * phy address 2 and 3. Page select is shifted only for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		 * phy address 1.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		if (hw->phy.addr == 1) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
			page_shift = IGP_PAGE_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
			page_select = IGP01E1000_PHY_PAGE_SELECT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			page_shift = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			page_select = BM_PHY_PAGE_SELECT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
		/* Page is shifted left, PHY expects (page x 32) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
						    (page << page_shift));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
 *  e1000e_read_phy_reg_bm2 - Read BM PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
 *  and storing the retrieved information in data.  Release any acquired
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
 *  semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	/* Page 800 works differently than the rest so it has its own func */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	if (page == BM_WUC_PAGE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
							 true, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
	hw->phy.addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		/* Page is shifted left, PHY expects (page x 32) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
						    page);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
 *  e1000e_write_phy_reg_bm2 - Write BM PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
 *  Acquires semaphore, if necessary, then writes the data to PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
 *  at the offset.  Release any acquired semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	/* Page 800 works differently than the rest so it has its own func */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	if (page == BM_WUC_PAGE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
							 false, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	hw->phy.addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	if (offset > MAX_PHY_MULTI_PAGE_REG) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		/* Page is shifted left, PHY expects (page x 32) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
						    page);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
					    data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
 *  e1000_enable_phy_wakeup_reg_access_bm - enable access to BM wakeup registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
 *  @phy_reg: pointer to store original contents of BM_WUC_ENABLE_REG
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
 *  Assumes semaphore already acquired and phy_reg points to a valid memory
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
 *  address to store contents of the BM_WUC_ENABLE_REG register.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	u16 temp;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	/* All page select, port ctrl and wakeup registers use phy address 1 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	hw->phy.addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	/* Select Port Control Registers page */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		e_dbg("Could not set Port Control page\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		e_dbg("Could not read PHY register %d.%d\n",
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	/* Enable both PHY wakeup mode and Wakeup register page writes.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	 * Prevent a power state change by disabling ME and Host PHY wakeup.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	temp = *phy_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	temp |= BM_WUC_ENABLE_BIT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	temp &= ~(BM_WUC_ME_WU_BIT | BM_WUC_HOST_WU_BIT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, temp);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		e_dbg("Could not write PHY register %d.%d\n",
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	/* Select Host Wakeup Registers page - caller now able to write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	 * registers on the Wakeup registers page
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	return e1000_set_page_igp(hw, (BM_WUC_PAGE << IGP_PAGE_SHIFT));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 *  e1000_disable_phy_wakeup_reg_access_bm - disable access to BM wakeup regs
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
 *  @phy_reg: pointer to original contents of BM_WUC_ENABLE_REG
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
 *  Restore BM_WUC_ENABLE_REG to its original value.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
 *  Assumes semaphore already acquired and *phy_reg is the contents of the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
 *  BM_WUC_ENABLE_REG before register(s) on BM_WUC_PAGE were accessed by
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
 *  caller.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	/* Select Port Control Registers page */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
		e_dbg("Could not set Port Control page\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	/* Restore 769.17 to its original value */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, *phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
		e_dbg("Could not restore PHY register %d.%d\n",
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
		      BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 *  e1000_access_phy_wakeup_reg_bm - Read/write BM PHY wakeup register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
 *  @offset: register offset to be read or written
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
 *  @data: pointer to the data to read or write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
 *  @read: determines if operation is read or write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
 *  @page_set: BM_WUC_PAGE already set and access enabled
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
 *  Read the PHY register at offset and store the retrieved information in
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
 *  data, or write data to PHY register at offset.  Note the procedure to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
 *  access the PHY wakeup registers is different than reading the other PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
 *  registers. It works as such:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
 *  1) Set 769.17.2 (page 769, register 17, bit 2) = 1
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
 *  2) Set page to 800 for host (801 if we were manageability)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
 *  3) Write the address using the address opcode (0x11)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
 *  4) Read or write the data using the data opcode (0x12)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
 *  5) Restore 769.17.2 to its original value
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
 *  Steps 1 and 2 are done by e1000_enable_phy_wakeup_reg_access_bm() and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
 *  step 5 is done by e1000_disable_phy_wakeup_reg_access_bm().
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
 *  Assumes semaphore is already acquired.  When page_set==true, assumes
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
 *  the PHY page is set to BM_WUC_PAGE (i.e. a function in the call stack
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
 *  is responsible for calls to e1000_[enable|disable]_phy_wakeup_reg_bm()).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
					  u16 *data, bool read, bool page_set)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
	u16 reg = BM_PHY_REG_NUM(offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	u16 page = BM_PHY_REG_PAGE(offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	u16 phy_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	/* Gig must be disabled for MDIO accesses to Host Wakeup reg page */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	if ((hw->mac.type == e1000_pchlan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	    (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE)))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
		e_dbg("Attempting to access page %d while gig enabled.\n",
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		      page);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	if (!page_set) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		/* Enable access to PHY wakeup registers */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
		ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
			e_dbg("Could not enable PHY wakeup reg access\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	e_dbg("Accessing PHY page %d reg 0x%x\n", page, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	/* Write the Wakeup register page offset value using opcode 0x11 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		e_dbg("Could not write address opcode to page %d\n", page);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	if (read) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		/* Read the Wakeup register page value using opcode 0x12 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
		ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
						   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		/* Write the Wakeup register page value using opcode 0x12 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
						    *data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		e_dbg("Could not access PHY reg %d.%d\n", page, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	if (!page_set)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		ret_val = e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
 * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
 * @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
 * In the case of a PHY power down to save power, or to turn off link during a
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 * driver unload, or wake on lan is not enabled, restore the link to previous
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
 * settings.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
void e1000_power_up_phy_copper(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	u16 mii_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	/* The PHY will retain its settings across a power down/up cycle */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	e1e_rphy(hw, MII_BMCR, &mii_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	mii_reg &= ~BMCR_PDOWN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	e1e_wphy(hw, MII_BMCR, mii_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
 * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
 * @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
 * In the case of a PHY power down to save power, or to turn off link during a
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 * driver unload, or wake on lan is not enabled, restore the link to previous
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
 * settings.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
void e1000_power_down_phy_copper(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	u16 mii_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	/* The PHY will retain its settings across a power down/up cycle */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	e1e_rphy(hw, MII_BMCR, &mii_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	mii_reg |= BMCR_PDOWN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	e1e_wphy(hw, MII_BMCR, mii_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	usleep_range(1000, 2000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
 *  __e1000_read_phy_reg_hv -  Read HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
 *  @locked: semaphore has already been acquired or not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
 *  Acquires semaphore, if necessary, then reads the PHY register at offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
 *  and stores the retrieved information in data.  Release any acquired
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
 *  semaphore before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
				   bool locked, bool page_set)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	u16 page = BM_PHY_REG_PAGE(offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	u16 reg = BM_PHY_REG_NUM(offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	u32 phy_addr = hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	if (!locked) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	/* Page 800 works differently than the rest so it has its own func */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	if (page == BM_WUC_PAGE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
							 true, page_set);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
							 data, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
	if (!page_set) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		if (page == HV_INTC_FC_PAGE_START)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
			page = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		if (reg > MAX_PHY_MULTI_PAGE_REG) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
			/* Page is shifted left, PHY expects (page x 32) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
			ret_val = e1000_set_page_igp(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
						     (page << IGP_PAGE_SHIFT));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
			hw->phy.addr = phy_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
				goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	e_dbg("reading PHY page %d (or 0x%x shifted) reg 0x%x\n", page,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	      page << IGP_PAGE_SHIFT, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	if (!locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
 *  e1000_read_phy_reg_hv -  Read HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
 *  Acquires semaphore then reads the PHY register at offset and stores
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
 *  the retrieved information in data.  Release the acquired semaphore
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
 *  before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	return __e1000_read_phy_reg_hv(hw, offset, data, false, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
 *  e1000_read_phy_reg_hv_locked -  Read HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
 *  @offset: register offset to be read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
 *  @data: pointer to the read data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
 *  Reads the PHY register at offset and stores the retrieved information
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
 *  in data.  Assumes semaphore already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	return __e1000_read_phy_reg_hv(hw, offset, data, true, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
 *  e1000_read_phy_reg_page_hv - Read HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
 *  Reads the PHY register at offset and stores the retrieved information
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
 *  in data.  Assumes semaphore already acquired and page already set.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
s32 e1000_read_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	return __e1000_read_phy_reg_hv(hw, offset, data, true, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
 *  __e1000_write_phy_reg_hv - Write HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
 *  @locked: semaphore has already been acquired or not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
 *  Acquires semaphore, if necessary, then writes the data to PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
 *  at the offset.  Release any acquired semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
				    bool locked, bool page_set)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	u16 page = BM_PHY_REG_PAGE(offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	u16 reg = BM_PHY_REG_NUM(offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	u32 phy_addr = hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	if (!locked) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	/* Page 800 works differently than the rest so it has its own func */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	if (page == BM_WUC_PAGE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
							 false, page_set);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	if (page > 0 && page < HV_INTC_FC_PAGE_START) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		ret_val = e1000_access_phy_debug_regs_hv(hw, offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
							 &data, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	if (!page_set) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		if (page == HV_INTC_FC_PAGE_START)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
			page = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		/* Workaround MDIO accesses being disabled after entering IEEE
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		 * Power Down (when bit 11 of the PHY Control register is set)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		if ((hw->phy.type == e1000_phy_82578) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		    (hw->phy.revision >= 1) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		    (hw->phy.addr == 2) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		    !(MAX_PHY_REG_ADDRESS & reg) && (data & (1 << 11))) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			u16 data2 = 0x7EFF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			ret_val = e1000_access_phy_debug_regs_hv(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
								 (1 << 6) | 0x3,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
								 &data2, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
				goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		if (reg > MAX_PHY_MULTI_PAGE_REG) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
			/* Page is shifted left, PHY expects (page x 32) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
			ret_val = e1000_set_page_igp(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
						     (page << IGP_PAGE_SHIFT));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
			hw->phy.addr = phy_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
				goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	e_dbg("writing PHY page %d (or 0x%x shifted) reg 0x%x\n", page,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	      page << IGP_PAGE_SHIFT, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
					    data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	if (!locked)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
 *  e1000_write_phy_reg_hv - Write HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
 *  Acquires semaphore then writes the data to PHY register at the offset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
 *  Release the acquired semaphores before exiting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	return __e1000_write_phy_reg_hv(hw, offset, data, false, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
 *  e1000_write_phy_reg_hv_locked - Write HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
 *  Writes the data to PHY register at the offset.  Assumes semaphore
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
 *  already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	return __e1000_write_phy_reg_hv(hw, offset, data, true, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
 *  e1000_write_phy_reg_page_hv - Write HV PHY register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
 *  @offset: register offset to write to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
 *  @data: data to write at register offset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
 *  Writes the data to PHY register at the offset.  Assumes semaphore
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
 *  already acquired and page already set.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
s32 e1000_write_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	return __e1000_write_phy_reg_hv(hw, offset, data, true, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
 *  e1000_get_phy_addr_for_hv_page - Get PHY address based on page
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
 *  @page: page to be accessed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
static u32 e1000_get_phy_addr_for_hv_page(u32 page)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
	u32 phy_addr = 2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	if (page >= HV_INTC_FC_PAGE_START)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		phy_addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	return phy_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
 *  e1000_access_phy_debug_regs_hv - Read HV PHY vendor specific high registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
 *  @offset: register offset to be read or written
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
 *  @data: pointer to the data to be read or written
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
 *  @read: determines if operation is read or write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
 *  Reads the PHY register at offset and stores the retreived information
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
 *  in data.  Assumes semaphore already acquired.  Note that the procedure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
 *  to access these regs uses the address port and data port to read/write.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
 *  These accesses done with PHY address 2 and without using pages.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
					  u16 *data, bool read)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	u32 addr_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	u32 data_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	/* This takes care of the difference with desktop vs mobile phy */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	addr_reg = ((hw->phy.type == e1000_phy_82578) ?
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		    I82578_ADDR_REG : I82577_ADDR_REG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	data_reg = addr_reg + 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	/* All operations in this function are phy address 2 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	hw->phy.addr = 2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	/* masking with 0x3F to remove the page from offset */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		e_dbg("Could not write the Address Offset port register\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	/* Read or write the data value next */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	if (read)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		ret_val = e1000e_read_phy_reg_mdic(hw, data_reg, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		e_dbg("Could not access the Data port register\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
 *  e1000_link_stall_workaround_hv - Si workaround
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
 *  This function works around a Si bug where the link partner can get
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
 *  a link up indication before the PHY does.  If small packets are sent
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
 *  by the link partner they can be placed in the packet buffer without
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
 *  being properly accounted for by the PHY and will stall preventing
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
 *  further packets from being received.  The workaround is to clear the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
 *  packet buffer after the PHY detects link up.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	if (hw->phy.type != e1000_phy_82578)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	/* Do not apply workaround if in PHY loopback bit 14 set */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	e1e_rphy(hw, MII_BMCR, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	if (data & BMCR_LOOPBACK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	/* check if link is up and at 1Gbps */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	ret_val = e1e_rphy(hw, BM_CS_STATUS, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	data &= (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		 BM_CS_STATUS_SPEED_MASK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	if (data != (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
		     BM_CS_STATUS_SPEED_1000))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	msleep(200);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	/* flush the packets in the fifo buffer */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
			   (HV_MUX_DATA_CTRL_GEN_TO_MAC |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
			    HV_MUX_DATA_CTRL_FORCE_SPEED));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	return e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
 *  e1000_check_polarity_82577 - Checks the polarity.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
 *  Polarity is determined based on the PHY specific status register.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
s32 e1000_check_polarity_82577(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		phy->cable_polarity = ((data & I82577_PHY_STATUS2_REV_POLARITY)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
				       ? e1000_rev_polarity_reversed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
				       : e1000_rev_polarity_normal);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
 *  e1000_phy_force_speed_duplex_82577 - Force speed/duplex for I82577 PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
 *  Calls the PHY setup function to force speed and duplex.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	ret_val = e1e_rphy(hw, MII_BMCR, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	ret_val = e1e_wphy(hw, MII_BMCR, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	if (phy->autoneg_wait_to_complete) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
		e_dbg("Waiting for forced speed/duplex link on 82577 phy\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		if (!link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
			e_dbg("Link taking longer than expected.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		/* Try once more */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
		ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
						      100000, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
 *  e1000_get_phy_info_82577 - Retrieve I82577 PHY information
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
 *  Read PHY status to determine if link is up.  If link is up, then
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
 *  set/determine 10base-T extended distance and polarity correction.  Read
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
 *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
 *  determine on the cable length, local and remote receiver.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	if (!link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		e_dbg("Phy info is only valid if link is up\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	phy->polarity_correction = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	ret_val = e1000_check_polarity_82577(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	phy->is_mdix = !!(data & I82577_PHY_STATUS2_MDIX);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	if ((data & I82577_PHY_STATUS2_SPEED_MASK) ==
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	    I82577_PHY_STATUS2_SPEED_1000MBPS) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
		ret_val = hw->phy.ops.get_cable_length(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
		ret_val = e1e_rphy(hw, MII_STAT1000, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
		phy->local_rx = (data & LPA_1000LOCALRXOK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
		    ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
		phy->remote_rx = (data & LPA_1000REMRXOK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
		    ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
		phy->local_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
		phy->remote_rx = e1000_1000t_rx_status_undefined;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
 *  e1000_get_cable_length_82577 - Determine cable length for 82577 PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
 * Reads the diagnostic status register and verifies result is valid before
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
 * placing it in the phy_cable_length field.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	u16 phy_data, length;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	ret_val = e1e_rphy(hw, I82577_PHY_DIAG_STATUS, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	length = ((phy_data & I82577_DSTATUS_CABLE_LENGTH) >>
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		  I82577_DSTATUS_CABLE_LENGTH_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	if (length == E1000_CABLE_LENGTH_UNDEFINED)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	phy->cable_length = length;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
}