intel: Move the Intel wired LAN drivers

Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and
the necessary Kconfig and Makefile changes.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 3377 deletions

diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
deleted file mode 100644
index 8666476cb9b..00000000000
--- a/drivers/net/e1000e/phy.c
+++ /dev/null
@@ -1,3377 +0,0 @@
-/*******************************************************************************
-
-  Intel PRO/1000 Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
-
-  This program is free software; you can redistribute it and/or modify it
-  under the terms and conditions of the GNU General Public License,
-  version 2, as published by the Free Software Foundation.
-
-  This program is distributed in the hope it will be useful, but WITHOUT
-  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-  more details.
-
-  You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
-  The full GNU General Public License is included in this distribution in
-  the file called "COPYING".
-
-  Contact Information:
-  Linux NICS <linux.nics@intel.com>
-  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
-  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
-
-*******************************************************************************/
-
-#include <linux/delay.h>
-
-#include "e1000.h"
-
-static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
-static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
-static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active);
-static s32 e1000_wait_autoneg(struct e1000_hw *hw);
-static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg);
-static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
-					  u16 *data, bool read, bool page_set);
-static u32 e1000_get_phy_addr_for_hv_page(u32 page);
-static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
-                                          u16 *data, bool read);
-
-/* Cable length tables */
-static const u16 e1000_m88_cable_length_table[] = {
-	0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
-#define M88E1000_CABLE_LENGTH_TABLE_SIZE \
-		ARRAY_SIZE(e1000_m88_cable_length_table)
-
-static const u16 e1000_igp_2_cable_length_table[] = {
-	0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3,
-	6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22,
-	26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, 21, 26, 31, 35, 40,
-	44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, 40, 45, 51, 56, 61,
-	66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, 60, 66, 72, 77, 82,
-	87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, 83, 89, 95,
-	100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121,
-	124};
-#define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \
-		ARRAY_SIZE(e1000_igp_2_cable_length_table)
-
-#define BM_PHY_REG_PAGE(offset) \
-	((u16)(((offset) >> PHY_PAGE_SHIFT) & 0xFFFF))
-#define BM_PHY_REG_NUM(offset) \
-	((u16)(((offset) & MAX_PHY_REG_ADDRESS) |\
-	 (((offset) >> (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT)) &\
-		~MAX_PHY_REG_ADDRESS)))
-
-#define HV_INTC_FC_PAGE_START             768
-#define I82578_ADDR_REG                   29
-#define I82577_ADDR_REG                   16
-#define I82577_CFG_REG                    22
-#define I82577_CFG_ASSERT_CRS_ON_TX       (1 << 15)
-#define I82577_CFG_ENABLE_DOWNSHIFT       (3 << 10) /* auto downshift 100/10 */
-#define I82577_CTRL_REG                   23
-
-/* 82577 specific PHY registers */
-#define I82577_PHY_CTRL_2            18
-#define I82577_PHY_STATUS_2          26
-#define I82577_PHY_DIAG_STATUS       31
-
-/* I82577 PHY Status 2 */
-#define I82577_PHY_STATUS2_REV_POLARITY   0x0400
-#define I82577_PHY_STATUS2_MDIX           0x0800
-#define I82577_PHY_STATUS2_SPEED_MASK     0x0300
-#define I82577_PHY_STATUS2_SPEED_1000MBPS 0x0200
-
-/* I82577 PHY Control 2 */
-#define I82577_PHY_CTRL2_AUTO_MDIX        0x0400
-#define I82577_PHY_CTRL2_FORCE_MDI_MDIX   0x0200
-
-/* I82577 PHY Diagnostics Status */
-#define I82577_DSTATUS_CABLE_LENGTH       0x03FC
-#define I82577_DSTATUS_CABLE_LENGTH_SHIFT 2
-
-/* BM PHY Copper Specific Control 1 */
-#define BM_CS_CTRL1                       16
-
-#define HV_MUX_DATA_CTRL               PHY_REG(776, 16)
-#define HV_MUX_DATA_CTRL_GEN_TO_MAC    0x0400
-#define HV_MUX_DATA_CTRL_FORCE_SPEED   0x0004
-
-/**
- *  e1000e_check_reset_block_generic - Check if PHY reset is blocked
- *  @hw: pointer to the HW structure
- *
- *  Read the PHY management control register and check whether a PHY reset
- *  is blocked.  If a reset is not blocked return 0, otherwise
- *  return E1000_BLK_PHY_RESET (12).
- **/
-s32 e1000e_check_reset_block_generic(struct e1000_hw *hw)
-{
-	u32 manc;
-
-	manc = er32(MANC);
-
-	return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ?
-	       E1000_BLK_PHY_RESET : 0;
-}
-
-/**
- *  e1000e_get_phy_id - Retrieve the PHY ID and revision
- *  @hw: pointer to the HW structure
- *
- *  Reads the PHY registers and stores the PHY ID and possibly the PHY
- *  revision in the hardware structure.
- **/
-s32 e1000e_get_phy_id(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val = 0;
-	u16 phy_id;
-	u16 retry_count = 0;
-
-	if (!(phy->ops.read_reg))
-		goto out;
-
-	while (retry_count < 2) {
-		ret_val = e1e_rphy(hw, PHY_ID1, &phy_id);
-		if (ret_val)
-			goto out;
-
-		phy->id = (u32)(phy_id << 16);
-		udelay(20);
-		ret_val = e1e_rphy(hw, PHY_ID2, &phy_id);
-		if (ret_val)
-			goto out;
-
-		phy->id |= (u32)(phy_id & PHY_REVISION_MASK);
-		phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);
-
-		if (phy->id != 0 && phy->id != PHY_REVISION_MASK)
-			goto out;
-
-		retry_count++;
-	}
-out:
-	return ret_val;
-}
-
-/**
- *  e1000e_phy_reset_dsp - Reset PHY DSP
- *  @hw: pointer to the HW structure
- *
- *  Reset the digital signal processor.
- **/
-s32 e1000e_phy_reset_dsp(struct e1000_hw *hw)
-{
-	s32 ret_val;
-
-	ret_val = e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);
-	if (ret_val)
-		return ret_val;
-
-	return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0);
-}
-
-/**
- *  e1000e_read_phy_reg_mdic - Read MDI control register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Reads the MDI control register in the PHY at offset and stores the
- *  information read to data.
- **/
-s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	u32 i, mdic = 0;
-
-	if (offset > MAX_PHY_REG_ADDRESS) {
-		e_dbg("PHY Address %d is out of range\n", offset);
-		return -E1000_ERR_PARAM;
-	}
-
-	/*
-	 * Set up Op-code, Phy Address, and register offset in the MDI
-	 * Control register.  The MAC will take care of interfacing with the
-	 * PHY to retrieve the desired data.
-	 */
-	mdic = ((offset << E1000_MDIC_REG_SHIFT) |
-		(phy->addr << E1000_MDIC_PHY_SHIFT) |
-		(E1000_MDIC_OP_READ));
-
-	ew32(MDIC, mdic);
-
-	/*
-	 * Poll the ready bit to see if the MDI read completed
-	 * Increasing the time out as testing showed failures with
-	 * the lower time out
-	 */
-	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
-		udelay(50);
-		mdic = er32(MDIC);
-		if (mdic & E1000_MDIC_READY)
-			break;
-	}
-	if (!(mdic & E1000_MDIC_READY)) {
-		e_dbg("MDI Read did not complete\n");
-		return -E1000_ERR_PHY;
-	}
-	if (mdic & E1000_MDIC_ERROR) {
-		e_dbg("MDI Error\n");
-		return -E1000_ERR_PHY;
-	}
-	*data = (u16) mdic;
-
-	/*
-	 * Allow some time after each MDIC transaction to avoid
-	 * reading duplicate data in the next MDIC transaction.
-	 */
-	if (hw->mac.type == e1000_pch2lan)
-		udelay(100);
-
-	return 0;
-}
-
-/**
- *  e1000e_write_phy_reg_mdic - Write MDI control register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write to register at offset
- *
- *  Writes data to MDI control register in the PHY at offset.
- **/
-s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	u32 i, mdic = 0;
-
-	if (offset > MAX_PHY_REG_ADDRESS) {
-		e_dbg("PHY Address %d is out of range\n", offset);
-		return -E1000_ERR_PARAM;
-	}
-
-	/*
-	 * Set up Op-code, Phy Address, and register offset in the MDI
-	 * Control register.  The MAC will take care of interfacing with the
-	 * PHY to retrieve the desired data.
-	 */
-	mdic = (((u32)data) |
-		(offset << E1000_MDIC_REG_SHIFT) |
-		(phy->addr << E1000_MDIC_PHY_SHIFT) |
-		(E1000_MDIC_OP_WRITE));
-
-	ew32(MDIC, mdic);
-
-	/*
-	 * Poll the ready bit to see if the MDI read completed
-	 * Increasing the time out as testing showed failures with
-	 * the lower time out
-	 */
-	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
-		udelay(50);
-		mdic = er32(MDIC);
-		if (mdic & E1000_MDIC_READY)
-			break;
-	}
-	if (!(mdic & E1000_MDIC_READY)) {
-		e_dbg("MDI Write did not complete\n");
-		return -E1000_ERR_PHY;
-	}
-	if (mdic & E1000_MDIC_ERROR) {
-		e_dbg("MDI Error\n");
-		return -E1000_ERR_PHY;
-	}
-
-	/*
-	 * Allow some time after each MDIC transaction to avoid
-	 * reading duplicate data in the next MDIC transaction.
-	 */
-	if (hw->mac.type == e1000_pch2lan)
-		udelay(100);
-
-	return 0;
-}
-
-/**
- *  e1000e_read_phy_reg_m88 - Read m88 PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Acquires semaphore, if necessary, then reads the PHY register at offset
- *  and storing the retrieved information in data.  Release any acquired
- *  semaphores before exiting.
- **/
-s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data)
-{
-	s32 ret_val;
-
-	ret_val = hw->phy.ops.acquire(hw);
-	if (ret_val)
-		return ret_val;
-
-	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
-					   data);
-
-	hw->phy.ops.release(hw);
-
-	return ret_val;
-}
-
-/**
- *  e1000e_write_phy_reg_m88 - Write m88 PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *
- *  Acquires semaphore, if necessary, then writes the data to PHY register
- *  at the offset.  Release any acquired semaphores before exiting.
- **/
-s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data)
-{
-	s32 ret_val;
-
-	ret_val = hw->phy.ops.acquire(hw);
-	if (ret_val)
-		return ret_val;
-
-	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
-					    data);
-
-	hw->phy.ops.release(hw);
-
-	return ret_val;
-}
-
-/**
- *  e1000_set_page_igp - Set page as on IGP-like PHY(s)
- *  @hw: pointer to the HW structure
- *  @page: page to set (shifted left when necessary)
- *
- *  Sets PHY page required for PHY register access.  Assumes semaphore is
- *  already acquired.  Note, this function sets phy.addr to 1 so the caller
- *  must set it appropriately (if necessary) after this function returns.
- **/
-s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page)
-{
-	e_dbg("Setting page 0x%x\n", page);
-
-	hw->phy.addr = 1;
-
-	return e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, page);
-}
-
-/**
- *  __e1000e_read_phy_reg_igp - Read igp PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *  @locked: semaphore has already been acquired or not
- *
- *  Acquires semaphore, if necessary, then reads the PHY register at offset
- *  and stores the retrieved information in data.  Release any acquired
- *  semaphores before exiting.
- **/
-static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
-                                    bool locked)
-{
-	s32 ret_val = 0;
-
-	if (!locked) {
-		if (!(hw->phy.ops.acquire))
-			goto out;
-
-		ret_val = hw->phy.ops.acquire(hw);
-		if (ret_val)
-			goto out;
-	}
-
-	if (offset > MAX_PHY_MULTI_PAGE_REG) {
-		ret_val = e1000e_write_phy_reg_mdic(hw,
-						    IGP01E1000_PHY_PAGE_SELECT,
-						    (u16)offset);
-		if (ret_val)
-			goto release;
-	}
-
-	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
-	                                  data);
-
-release:
-	if (!locked)
-		hw->phy.ops.release(hw);
-out:
-	return ret_val;
-}
-
-/**
- *  e1000e_read_phy_reg_igp - Read igp PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Acquires semaphore then reads the PHY register at offset and stores the
- *  retrieved information in data.
- *  Release the acquired semaphore before exiting.
- **/
-s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
-{
-	return __e1000e_read_phy_reg_igp(hw, offset, data, false);
-}
-
-/**
- *  e1000e_read_phy_reg_igp_locked - Read igp PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Reads the PHY register at offset and stores the retrieved information
- *  in data.  Assumes semaphore already acquired.
- **/
-s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data)
-{
-	return __e1000e_read_phy_reg_igp(hw, offset, data, true);
-}
-
-/**
- *  e1000e_write_phy_reg_igp - Write igp PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *  @locked: semaphore has already been acquired or not
- *
- *  Acquires semaphore, if necessary, then writes the data to PHY register
- *  at the offset.  Release any acquired semaphores before exiting.
- **/
-static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
-                                     bool locked)
-{
-	s32 ret_val = 0;
-
-	if (!locked) {
-		if (!(hw->phy.ops.acquire))
-			goto out;
-
-		ret_val = hw->phy.ops.acquire(hw);
-		if (ret_val)
-			goto out;
-	}
-
-	if (offset > MAX_PHY_MULTI_PAGE_REG) {
-		ret_val = e1000e_write_phy_reg_mdic(hw,
-						    IGP01E1000_PHY_PAGE_SELECT,
-						    (u16)offset);
-		if (ret_val)
-			goto release;
-	}
-
-	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
-					    data);
-
-release:
-	if (!locked)
-		hw->phy.ops.release(hw);
-
-out:
-	return ret_val;
-}
-
-/**
- *  e1000e_write_phy_reg_igp - Write igp PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *
- *  Acquires semaphore then writes the data to PHY register
- *  at the offset.  Release any acquired semaphores before exiting.
- **/
-s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
-{
-	return __e1000e_write_phy_reg_igp(hw, offset, data, false);
-}
-
-/**
- *  e1000e_write_phy_reg_igp_locked - Write igp PHY register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *
- *  Writes the data to PHY register at the offset.
- *  Assumes semaphore already acquired.
- **/
-s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data)
-{
-	return __e1000e_write_phy_reg_igp(hw, offset, data, true);
-}
-
-/**
- *  __e1000_read_kmrn_reg - Read kumeran register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *  @locked: semaphore has already been acquired or not
- *
- *  Acquires semaphore, if necessary.  Then reads the PHY register at offset
- *  using the kumeran interface.  The information retrieved is stored in data.
- *  Release any acquired semaphores before exiting.
- **/
-static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
-                                 bool locked)
-{
-	u32 kmrnctrlsta;
-	s32 ret_val = 0;
-
-	if (!locked) {
-		if (!(hw->phy.ops.acquire))
-			goto out;
-
-		ret_val = hw->phy.ops.acquire(hw);
-		if (ret_val)
-			goto out;
-	}
-
-	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
-		       E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
-	ew32(KMRNCTRLSTA, kmrnctrlsta);
-	e1e_flush();
-
-	udelay(2);
-
-	kmrnctrlsta = er32(KMRNCTRLSTA);
-	*data = (u16)kmrnctrlsta;
-
-	if (!locked)
-		hw->phy.ops.release(hw);
-
-out:
-	return ret_val;
-}
-
-/**
- *  e1000e_read_kmrn_reg -  Read kumeran register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Acquires semaphore then reads the PHY register at offset using the
- *  kumeran interface.  The information retrieved is stored in data.
- *  Release the acquired semaphore before exiting.
- **/
-s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
-{
-	return __e1000_read_kmrn_reg(hw, offset, data, false);
-}
-
-/**
- *  e1000e_read_kmrn_reg_locked -  Read kumeran register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to be read
- *  @data: pointer to the read data
- *
- *  Reads the PHY register at offset using the kumeran interface.  The
- *  information retrieved is stored in data.
- *  Assumes semaphore already acquired.
- **/
-s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
-{
-	return __e1000_read_kmrn_reg(hw, offset, data, true);
-}
-
-/**
- *  __e1000_write_kmrn_reg - Write kumeran register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *  @locked: semaphore has already been acquired or not
- *
- *  Acquires semaphore, if necessary.  Then write the data to PHY register
- *  at the offset using the kumeran interface.  Release any acquired semaphores
- *  before exiting.
- **/
-static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
-                                  bool locked)
-{
-	u32 kmrnctrlsta;
-	s32 ret_val = 0;
-
-	if (!locked) {
-		if (!(hw->phy.ops.acquire))
-			goto out;
-
-		ret_val = hw->phy.ops.acquire(hw);
-		if (ret_val)
-			goto out;
-	}
-
-	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
-		       E1000_KMRNCTRLSTA_OFFSET) | data;
-	ew32(KMRNCTRLSTA, kmrnctrlsta);
-	e1e_flush();
-
-	udelay(2);
-
-	if (!locked)
-		hw->phy.ops.release(hw);
-
-out:
-	return ret_val;
-}
-
-/**
- *  e1000e_write_kmrn_reg -  Write kumeran register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *
- *  Acquires semaphore then writes the data to the PHY register at the offset
- *  using the kumeran interface.  Release the acquired semaphore before exiting.
- **/
-s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
-{
-	return __e1000_write_kmrn_reg(hw, offset, data, false);
-}
-
-/**
- *  e1000e_write_kmrn_reg_locked -  Write kumeran register
- *  @hw: pointer to the HW structure
- *  @offset: register offset to write to
- *  @data: data to write at register offset
- *
- *  Write the data to PHY register at the offset using the kumeran interface.
- *  Assumes semaphore already acquired.
- **/
-s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
-{
-	return __e1000_write_kmrn_reg(hw, offset, data, true);
-}
-
-/**
- *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
- *  @hw: pointer to the HW structure
- *
- *  Sets up Carrier-sense on Transmit and downshift values.
- **/
-s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
-{
-	s32 ret_val;
-	u16 phy_data;
-
-	/* Enable CRS on Tx. This must be set for half-duplex operation. */
-	ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data);
-	if (ret_val)
-		goto out;
-
-	phy_data |= I82577_CFG_ASSERT_CRS_ON_TX;
-
-	/* Enable downshift */
-	phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
-
-	ret_val = e1e_wphy(hw, I82577_CFG_REG, phy_data);
-
-out:
-	return ret_val;
-}
-
-/**
- *  e1000e_copper_link_setup_m88 - Setup m88 PHY's for copper link
- *  @hw: pointer to the HW structure
- *
- *  Sets up MDI/MDI-X and polarity for m88 PHY's.  If necessary, transmit clock
- *  and downshift values are set also.
- **/
-s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
-	u16 phy_data;
-
-	/* Enable CRS on Tx. This must be set for half-duplex operation. */
-	ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
-	if (ret_val)
-		return ret_val;
-
-	/* For BM PHY this bit is downshift enable */
-	if (phy->type != e1000_phy_bm)
-		phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
-
-	/*
-	 * Options:
-	 *   MDI/MDI-X = 0 (default)
-	 *   0 - Auto for all speeds
-	 *   1 - MDI mode
-	 *   2 - MDI-X mode
-	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
-	 */
-	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
-
-	switch (phy->mdix) {
-	case 1:
-		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
-		break;
-	case 2:
-		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
-		break;
-	case 3:
-		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
-		break;
-	case 0:
-	default:
-		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
-		break;
-	}
-
-	/*
-	 * Options:
-	 *   disable_polarity_correction = 0 (default)
-	 *       Automatic Correction for Reversed Cable Polarity
-	 *   0 - Disabled
-	 *   1 - Enabled
-	 */
-	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
-	if (phy->disable_polarity_correction == 1)
-		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
-
-	/* Enable downshift on BM (disabled by default) */
-	if (phy->type == e1000_phy_bm)
-		phy_data |= BME1000_PSCR_ENABLE_DOWNSHIFT;
-
-	ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
-	if (ret_val)
-		return ret_val;
-
-	if ((phy->type == e1000_phy_m88) &&
-	    (phy->revision < E1000_REVISION_4) &&
-	    (phy->id != BME1000_E_PHY_ID_R2)) {
-		/*
-		 * Force TX_CLK in the Extended PHY Specific Control Register
-		 * to 25MHz clock.
-		 */
-		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
-		if (ret_val)
-			return ret_val;
-
-		phy_data |= M88E1000_EPSCR_TX_CLK_25;
-
-		if ((phy->revision == 2) &&
-		    (phy->id == M88E1111_I_PHY_ID)) {
-			/* 82573L PHY - set the downshift counter to 5x. */
-			phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK;
-			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
-		} else {
-			/* Configure Master and Slave downshift values */
-			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
-				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
-			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
-				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
-		}
-		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
-		if (ret_val)
-			return ret_val;
-	}
-
-	if ((phy->type == e1000_phy_bm) && (phy->id == BME1000_E_PHY_ID_R2)) {
-		/* Set PHY page 0, register 29 to 0x0003 */
-		ret_val = e1e_wphy(hw, 29, 0x0003);
-		if (ret_val)
-			return ret_val;
-
-		/* Set PHY page 0, register 30 to 0x0000 */
-		ret_val = e1e_wphy(hw, 30, 0x0000);
-		if (ret_val)
-			return ret_val;
-	}
-
-	/* Commit the changes. */
-	ret_val = e1000e_commit_phy(hw);
-	if (ret_val) {
-		e_dbg("Error committing the PHY changes\n");
-		return ret_val;
-	}
-
-	if (phy->type == e1000_phy_82578) {
-		ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
-		if (ret_val)
-			return ret_val;
-
-		/* 82578 PHY - set the downshift count to 1x. */
-		phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE;
-		phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK;
-		ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
-		if (ret_val)
-			return ret_val;
-	}
-
-	return 0;
-}
-
-/**
- *  e1000e_copper_link_setup_igp - Setup igp PHY's for copper link
- *  @hw: pointer to the HW structure
- *
- *  Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for
- *  igp PHY's.
- **/
-s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
-	u16 data;
-
-	ret_val = e1000_phy_hw_reset(hw);
-	if (ret_val) {
-		e_dbg("Error resetting the PHY.\n");
-		return ret_val;
-	}
-
-	/*
-	 * Wait 100ms for MAC to configure PHY from NVM settings, to avoid
-	 * timeout issues when LFS is enabled.
-	 */
-	msleep(100);
-
-	/* disable lplu d0 during driver init */
-	ret_val = e1000_set_d0_lplu_state(hw, false);
-	if (ret_val) {
-		e_dbg("Error Disabling LPLU D0\n");
-		return ret_val;
-	}
-	/* Configure mdi-mdix settings */
-	ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &data);
-	if (ret_val)
-		return ret_val;
-
-	data &= ~IGP01E1000_PSCR_AUTO_MDIX;
-
-	switch (phy->mdix) {
-	case 1:
-		data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
-		break;
-	case 2:
-		data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
-		break;
-	case 0:
-	default:
-		data |= IGP01E1000_PSCR_AUTO_MDIX;
-		break;
-	}
-	ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, data);
-	if (ret_val)
-		return ret_val;
-
-	/* set auto-master slave resolution settings */
-	if (hw->mac.autoneg) {
-		/*
-		 * when autonegotiation advertisement is only 1000Mbps then we
-		 * should disable SmartSpeed and enable Auto MasterSlave
-		 * resolution as hardware default.
-		 */
-		if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {
-			/* Disable SmartSpeed */
-			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
-					   &data);
-			if (ret_val)
-				return ret_val;
-
-			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
-			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
-					   data);
-			if (ret_val)
-				return ret_val;
-
-			/* Set auto Master/Slave resolution process */
-			ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
-			if (ret_val)
-				return ret_val;
-
-			data &= ~CR_1000T_MS_ENABLE;
-			ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
-			if (ret_val)
-				return ret_val;
-		}
-
-		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &data);
-		if (ret_val)
-			return ret_val;
-
-		/* load defaults for future use */
-		phy->original_ms_type = (data & CR_1000T_MS_ENABLE) ?
-			((data & CR_1000T_MS_VALUE) ?
-			e1000_ms_force_master :
-			e1000_ms_force_slave) :
-			e1000_ms_auto;
-
-		switch (phy->ms_type) {
-		case e1000_ms_force_master:
-			data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
-			break;
-		case e1000_ms_force_slave:
-			data |= CR_1000T_MS_ENABLE;
-			data &= ~(CR_1000T_MS_VALUE);
-			break;
-		case e1000_ms_auto:
-			data &= ~CR_1000T_MS_ENABLE;
-		default:
-			break;
-		}
-		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, data);
-	}
-
-	return ret_val;
-}
-
-/**
- *  e1000_phy_setup_autoneg - Configure PHY for auto-negotiation
- *  @hw: pointer to the HW structure
- *
- *  Reads the MII auto-neg advertisement register and/or the 1000T control
- *  register and if the PHY is already setup for auto-negotiation, then
- *  return successful.  Otherwise, setup advertisement and flow control to
- *  the appropriate values for the wanted auto-negotiation.
- **/
-static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
-	u16 mii_autoneg_adv_reg;
-	u16 mii_1000t_ctrl_reg = 0;
-
-	phy->autoneg_advertised &= phy->autoneg_mask;
-
-	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
-	ret_val = e1e_rphy(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
-	if (ret_val)
-		return ret_val;
-
-	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
-		/* Read the MII 1000Base-T Control Register (Address 9). */
-		ret_val = e1e_rphy(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
-		if (ret_val)
-			return ret_val;
-	}
-
-	/*
-	 * Need to parse both autoneg_advertised and fc and set up
-	 * the appropriate PHY registers.  First we will parse for
-	 * autoneg_advertised software override.  Since we can advertise
-	 * a plethora of combinations, we need to check each bit
-	 * individually.
-	 */
-
-	/*
-	 * First we clear all the 10/100 mb speed bits in the Auto-Neg
-	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
-	 * the  1000Base-T Control Register (Address 9).
-	 */
-	mii_autoneg_adv_reg &= ~(NWAY_AR_100TX_FD_CAPS |
-				 NWAY_AR_100TX_HD_CAPS |
-				 NWAY_AR_10T_FD_CAPS   |
-				 NWAY_AR_10T_HD_CAPS);
-	mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS);
-
-	e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);
-
-	/* Do we want to advertise 10 Mb Half Duplex? */
-	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {
-		e_dbg("Advertise 10mb Half duplex\n");
-		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
-	}
-
-	/* Do we want to advertise 10 Mb Full Duplex? */
-	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {
-		e_dbg("Advertise 10mb Full duplex\n");
-		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
-	}
-
-	/* Do we want to advertise 100 Mb Half Duplex? */
-	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {
-		e_dbg("Advertise 100mb Half duplex\n");
-		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
-	}
-
-	/* Do we want to advertise 100 Mb Full Duplex? */
-	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {
-		e_dbg("Advertise 100mb Full duplex\n");
-		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
-	}
-
-	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
-	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)
-		e_dbg("Advertise 1000mb Half duplex request denied!\n");
-
-	/* Do we want to advertise 1000 Mb Full Duplex? */
-	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {
-		e_dbg("Advertise 1000mb Full duplex\n");
-		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
-	}
-
-	/*
-	 * Check for a software override of the flow control settings, and
-	 * setup the PHY advertisement registers accordingly.  If
-	 * auto-negotiation is enabled, then software will have to set the
-	 * "PAUSE" bits to the correct value in the Auto-Negotiation
-	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-
-	 * negotiation.
-	 *
-	 * The possible values of the "fc" parameter are:
-	 *      0:  Flow control is completely disabled
-	 *      1:  Rx flow control is enabled (we can receive pause frames
-	 *	  but not send pause frames).
-	 *      2:  Tx flow control is enabled (we can send pause frames
-	 *	  but we do not support receiving pause frames).
-	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.
-	 *  other:  No software override.  The flow control configuration
-	 *	  in the EEPROM is used.
-	 */
-	switch (hw->fc.current_mode) {
-	case e1000_fc_none:
-		/*
-		 * Flow control (Rx & Tx) is completely disabled by a
-		 * software over-ride.
-		 */
-		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
-		break;
-	case e1000_fc_rx_pause:
-		/*
-		 * Rx Flow control is enabled, and Tx Flow control is
-		 * disabled, by a software over-ride.
-		 *
-		 * Since there really isn't a way to advertise that we are
-		 * capable of Rx Pause ONLY, we will advertise that we
-		 * support both symmetric and asymmetric Rx PAUSE.  Later
-		 * (in e1000e_config_fc_after_link_up) we will disable the
-		 * hw's ability to send PAUSE frames.
-		 */
-		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
-		break;
-	case e1000_fc_tx_pause:
-		/*
-		 * Tx Flow control is enabled, and Rx Flow control is
-		 * disabled, by a software over-ride.
-		 */
-		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
-		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
-		break;
-	case e1000_fc_full:
-		/*
-		 * Flow control (both Rx and Tx) is enabled by a software
-		 * over-ride.
-		 */
-		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
-		break;
-	default:
-		e_dbg("Flow control param set incorrectly\n");
-		ret_val = -E1000_ERR_CONFIG;
-		return ret_val;
-	}
-
-	ret_val = e1e_wphy(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
-	if (ret_val)
-		return ret_val;
-
-	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
-
-	if (phy->autoneg_mask & ADVERTISE_1000_FULL)
-		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
-
-	return ret_val;
-}
-
-/**
- *  e1000_copper_link_autoneg - Setup/Enable autoneg for copper link
- *  @hw: pointer to the HW structure
- *
- *  Performs initial bounds checking on autoneg advertisement parameter, then
- *  configure to advertise the full capability.  Setup the PHY to autoneg
- *  and restart the negotiation process between the link partner.  If
- *  autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
- **/
-static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
-{
-	struct e1000_phy_info *phy = &hw->phy;
-	s32 ret_val;
-	u16 phy_ctrl;
-
-	/*
-	 * Perform some bounds checking on the autoneg advertisement
-	 * parameter.
-	 */
-	phy->autoneg_advertised &= phy->autoneg_mask;
-
-	/*
-	 * If autoneg_advertised is zero, we assume it was not defaulted
-	 * by the calling code so we set to advertise full capability.
-	 */
-	if (phy->autoneg_advertised == 0)
-		phy->autoneg_advertised = phy->autoneg_mask;
-
-	e_dbg("Reconfiguring auto-neg advertisement params\n");
-	ret_val = e1000_phy_setup_autoneg(hw);
-	if (ret_val) {
-		e_dbg("Error Setting up Auto-Negotiation\n");
-		return ret_val;
-	}
-	e_dbg("Restarting Auto-Neg\n");
-
-	/*
-	 * Restart auto-negotiation by setting the Auto Neg Enable bit and
-	 * the Auto Neg Restart bit in the PHY control register.
-	 */
-	ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_ctrl);
-	if (ret_v