devices/e1000e/mac-3.8-ethercat.c
author Edouard Tisserant <edouard.tisserant@gmail.com>
Wed, 12 Sep 2018 21:22:46 +0200
branchstable-1.5
changeset 2708 742c70a97622
parent 2584 0e3d989ff233
permissions -rw-r--r--
Fix C/C++ linking problem in tool/ethercat
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2012 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include "e1000-3.8-ethercat.h"
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/**
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 *  e1000e_get_bus_info_pcie - Get PCIe bus information
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 *  @hw: pointer to the HW structure
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 *
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 *  Determines and stores the system bus information for a particular
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 *  network interface.  The following bus information is determined and stored:
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 *  bus speed, bus width, type (PCIe), and PCIe function.
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 **/
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s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
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{
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	struct e1000_mac_info *mac = &hw->mac;
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	struct e1000_bus_info *bus = &hw->bus;
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	struct e1000_adapter *adapter = hw->adapter;
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	u16 pcie_link_status, cap_offset;
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	cap_offset = adapter->pdev->pcie_cap;
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	if (!cap_offset) {
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		bus->width = e1000_bus_width_unknown;
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	} else {
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		pci_read_config_word(adapter->pdev,
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				     cap_offset + PCIE_LINK_STATUS,
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				     &pcie_link_status);
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		bus->width = (enum e1000_bus_width)((pcie_link_status &
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						     PCIE_LINK_WIDTH_MASK) >>
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						    PCIE_LINK_WIDTH_SHIFT);
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	}
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	mac->ops.set_lan_id(hw);
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	return 0;
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}
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/**
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 *  e1000_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices
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 *
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 *  @hw: pointer to the HW structure
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 *
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 *  Determines the LAN function id by reading memory-mapped registers
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 *  and swaps the port value if requested.
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 **/
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void e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw)
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{
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	struct e1000_bus_info *bus = &hw->bus;
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	u32 reg;
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	/* The status register reports the correct function number
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	 * for the device regardless of function swap state.
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	 */
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	reg = er32(STATUS);
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	bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT;
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}
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/**
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 *  e1000_set_lan_id_single_port - Set LAN id for a single port device
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 *  @hw: pointer to the HW structure
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 *
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 *  Sets the LAN function id to zero for a single port device.
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 **/
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void e1000_set_lan_id_single_port(struct e1000_hw *hw)
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{
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	struct e1000_bus_info *bus = &hw->bus;
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	bus->func = 0;
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}
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/**
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 *  e1000_clear_vfta_generic - Clear VLAN filter table
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 *  @hw: pointer to the HW structure
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 *
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 *  Clears the register array which contains the VLAN filter table by
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 *  setting all the values to 0.
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 **/
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void e1000_clear_vfta_generic(struct e1000_hw *hw)
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{
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	u32 offset;
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	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
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		E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, 0);
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		e1e_flush();
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	}
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}
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/**
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 *  e1000_write_vfta_generic - Write value to VLAN filter table
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 *  @hw: pointer to the HW structure
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 *  @offset: register offset in VLAN filter table
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 *  @value: register value written to VLAN filter table
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 *
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 *  Writes value at the given offset in the register array which stores
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 *  the VLAN filter table.
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 **/
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void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value)
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{
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	E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, value);
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	e1e_flush();
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}
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/**
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 *  e1000e_init_rx_addrs - Initialize receive address's
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 *  @hw: pointer to the HW structure
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 *  @rar_count: receive address registers
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 *
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 *  Setup the receive address registers by setting the base receive address
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 *  register to the devices MAC address and clearing all the other receive
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 *  address registers to 0.
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 **/
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void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
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{
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	u32 i;
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	u8 mac_addr[ETH_ALEN] = { 0 };
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	/* Setup the receive address */
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	e_dbg("Programming MAC Address into RAR[0]\n");
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	hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
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	/* Zero out the other (rar_entry_count - 1) receive addresses */
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	e_dbg("Clearing RAR[1-%u]\n", rar_count - 1);
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	for (i = 1; i < rar_count; i++)
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		hw->mac.ops.rar_set(hw, mac_addr, i);
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}
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/**
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 *  e1000_check_alt_mac_addr_generic - Check for alternate MAC addr
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 *  @hw: pointer to the HW structure
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 *
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 *  Checks the nvm for an alternate MAC address.  An alternate MAC address
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 *  can be setup by pre-boot software and must be treated like a permanent
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 *  address and must override the actual permanent MAC address. If an
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 *  alternate MAC address is found it is programmed into RAR0, replacing
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 *  the permanent address that was installed into RAR0 by the Si on reset.
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 *  This function will return SUCCESS unless it encounters an error while
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 *  reading the EEPROM.
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 **/
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s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
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{
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	u32 i;
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	s32 ret_val = 0;
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	u16 offset, nvm_alt_mac_addr_offset, nvm_data;
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	u8 alt_mac_addr[ETH_ALEN];
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	ret_val = e1000_read_nvm(hw, NVM_COMPAT, 1, &nvm_data);
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	if (ret_val)
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		return ret_val;
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	/* not supported on 82573 */
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	if (hw->mac.type == e1000_82573)
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		return 0;
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	ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
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				 &nvm_alt_mac_addr_offset);
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	if (ret_val) {
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		e_dbg("NVM Read Error\n");
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		return ret_val;
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	}
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	if ((nvm_alt_mac_addr_offset == 0xFFFF) ||
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	    (nvm_alt_mac_addr_offset == 0x0000))
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		/* There is no Alternate MAC Address */
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		return 0;
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	if (hw->bus.func == E1000_FUNC_1)
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		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;
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	for (i = 0; i < ETH_ALEN; i += 2) {
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		offset = nvm_alt_mac_addr_offset + (i >> 1);
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		ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data);
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		if (ret_val) {
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			e_dbg("NVM Read Error\n");
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			return ret_val;
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		}
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		alt_mac_addr[i] = (u8)(nvm_data & 0xFF);
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		alt_mac_addr[i + 1] = (u8)(nvm_data >> 8);
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	}
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	/* if multicast bit is set, the alternate address will not be used */
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	if (is_multicast_ether_addr(alt_mac_addr)) {
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		e_dbg("Ignoring Alternate Mac Address with MC bit set\n");
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		return 0;
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	}
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	/* We have a valid alternate MAC address, and we want to treat it the
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	 * same as the normal permanent MAC address stored by the HW into the
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	 * RAR. Do this by mapping this address into RAR0.
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	 */
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	hw->mac.ops.rar_set(hw, alt_mac_addr, 0);
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	return 0;
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}
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/**
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 *  e1000e_rar_set_generic - Set receive address register
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 *  @hw: pointer to the HW structure
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 *  @addr: pointer to the receive address
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 *  @index: receive address array register
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 *
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 *  Sets the receive address array register at index to the address passed
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 *  in by addr.
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 **/
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void e1000e_rar_set_generic(struct e1000_hw *hw, u8 *addr, u32 index)
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{
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	u32 rar_low, rar_high;
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	/* HW expects these in little endian so we reverse the byte order
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	 * from network order (big endian) to little endian
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	 */
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	rar_low = ((u32)addr[0] | ((u32)addr[1] << 8) |
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		   ((u32)addr[2] << 16) | ((u32)addr[3] << 24));
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	rar_high = ((u32)addr[4] | ((u32)addr[5] << 8));
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	/* If MAC address zero, no need to set the AV bit */
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	if (rar_low || rar_high)
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		rar_high |= E1000_RAH_AV;
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	/* Some bridges will combine consecutive 32-bit writes into
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	 * a single burst write, which will malfunction on some parts.
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	 * The flushes avoid this.
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	 */
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	ew32(RAL(index), rar_low);
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	e1e_flush();
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	ew32(RAH(index), rar_high);
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	e1e_flush();
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}
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/**
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 *  e1000_hash_mc_addr - Generate a multicast hash value
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 *  @hw: pointer to the HW structure
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 *  @mc_addr: pointer to a multicast address
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 *
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 *  Generates a multicast address hash value which is used to determine
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 *  the multicast filter table array address and new table value.
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 **/
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static u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
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{
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	u32 hash_value, hash_mask;
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	u8 bit_shift = 0;
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	/* Register count multiplied by bits per register */
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	hash_mask = (hw->mac.mta_reg_count * 32) - 1;
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	/* For a mc_filter_type of 0, bit_shift is the number of left-shifts
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	 * where 0xFF would still fall within the hash mask.
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	 */
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	while (hash_mask >> bit_shift != 0xFF)
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		bit_shift++;
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	/* The portion of the address that is used for the hash table
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	 * is determined by the mc_filter_type setting.
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	 * The algorithm is such that there is a total of 8 bits of shifting.
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	 * The bit_shift for a mc_filter_type of 0 represents the number of
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	 * left-shifts where the MSB of mc_addr[5] would still fall within
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   283
	 * the hash_mask.  Case 0 does this exactly.  Since there are a total
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   284
	 * of 8 bits of shifting, then mc_addr[4] will shift right the
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   285
	 * remaining number of bits. Thus 8 - bit_shift.  The rest of the
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parents:
diff changeset
   286
	 * cases are a variation of this algorithm...essentially raising the
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parents:
diff changeset
   287
	 * number of bits to shift mc_addr[5] left, while still keeping the
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   288
	 * 8-bit shifting total.
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parents:
diff changeset
   289
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
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diff changeset
   290
	 * For example, given the following Destination MAC Address and an
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	 * mta register count of 128 (thus a 4096-bit vector and 0xFFF mask),
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   292
	 * we can see that the bit_shift for case 0 is 4.  These are the hash
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	 * values resulting from each mc_filter_type...
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   294
	 * [0] [1] [2] [3] [4] [5]
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
	 * 01  AA  00  12  34  56
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	 * LSB           MSB
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parents:
diff changeset
   297
	 *
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parents:
diff changeset
   298
	 * case 0: hash_value = ((0x34 >> 4) | (0x56 << 4)) & 0xFFF = 0x563
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	 * case 1: hash_value = ((0x34 >> 3) | (0x56 << 5)) & 0xFFF = 0xAC6
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	 * case 2: hash_value = ((0x34 >> 2) | (0x56 << 6)) & 0xFFF = 0x163
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	 * case 3: hash_value = ((0x34 >> 0) | (0x56 << 8)) & 0xFFF = 0x634
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parents:
diff changeset
   302
	 */
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	switch (hw->mac.mc_filter_type) {
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parents:
diff changeset
   304
	default:
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parents:
diff changeset
   305
	case 0:
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parents:
diff changeset
   306
		break;
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parents:
diff changeset
   307
	case 1:
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parents:
diff changeset
   308
		bit_shift += 1;
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parents:
diff changeset
   309
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   310
	case 2:
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parents:
diff changeset
   311
		bit_shift += 2;
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   312
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   313
	case 3:
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parents:
diff changeset
   314
		bit_shift += 4;
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   315
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
				   (((u16)mc_addr[5]) << bit_shift)));
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   320
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	return hash_value;
0e3d989ff233 Added all drivers for kernel 3.8.
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parents:
diff changeset
   322
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
 *  e1000e_update_mc_addr_list_generic - Update Multicast addresses
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
 *  @mc_addr_list: array of multicast addresses to program
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
 *  @mc_addr_count: number of multicast addresses to program
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
 *  Updates entire Multicast Table Array.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
 *  The caller must have a packed mc_addr_list of multicast addresses.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
					u8 *mc_addr_list, u32 mc_addr_count)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	u32 hash_value, hash_bit, hash_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	int i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	/* clear mta_shadow */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
	/* update mta_shadow from mc_addr_list */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	for (i = 0; (u32)i < mc_addr_count; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		hash_value = e1000_hash_mc_addr(hw, mc_addr_list);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		hash_bit = hash_value & 0x1F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		mc_addr_list += (ETH_ALEN);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
	/* replace the entire MTA table */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
	for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, hw->mac.mta_shadow[i]);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
	e1e_flush();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
 *  e1000e_clear_hw_cntrs_base - Clear base hardware counters
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
 *  Clears the base hardware counters by reading the counter registers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
	er32(CRCERRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
	er32(SYMERRS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	er32(MPC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
	er32(SCC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	er32(ECOL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
	er32(MCC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	er32(LATECOL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
	er32(COLC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	er32(DC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	er32(SEC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
	er32(RLEC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
	er32(XONRXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
	er32(XONTXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	er32(XOFFRXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	er32(XOFFTXC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	er32(FCRUC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
	er32(GPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
	er32(BPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
	er32(MPRC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
	er32(GPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
	er32(GORCL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
	er32(GORCH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	er32(GOTCL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	er32(GOTCH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	er32(RNBC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	er32(RUC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	er32(RFC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
	er32(ROC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
	er32(RJC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
	er32(TORL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
	er32(TORH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	er32(TOTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	er32(TOTH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	er32(TPR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	er32(TPT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	er32(MPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
	er32(BPTC);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
 *  e1000e_check_for_copper_link - Check for link (Copper)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
 *  Checks to see of the link status of the hardware has changed.  If a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
 *  change in link status has been detected, then we read the PHY registers
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
 *  to get the current speed/duplex if link exists.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	bool link;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	/* We only want to go out to the PHY registers to see if Auto-Neg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	 * has completed and/or if our link status has changed.  The
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	 * get_link_status flag is set upon receiving a Link Status
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	 * Change or Rx Sequence Error interrupt.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	if (!mac->get_link_status)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
		return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	/* First we want to see if the MII Status Register reports
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	 * link.  If so, then we want to get the current speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	 * of the PHY.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	if (!link)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
		return 0;	/* No link detected */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	mac->get_link_status = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	/* Check if there was DownShift, must be checked
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	 * immediately after link-up
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	e1000e_check_downshift(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	/* If we are forcing speed/duplex, then we simply return since
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	 * we have already determined whether we have link or not.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	if (!mac->autoneg)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	/* Auto-Neg is enabled.  Auto Speed Detection takes care
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	 * of MAC speed/duplex configuration.  So we only need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	 * configure Collision Distance in the MAC.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	mac->ops.config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	/* Configure Flow Control now that Auto-Neg has completed.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	 * First, we need to restore the desired flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	 * settings because we may have had to re-autoneg with a
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	 * different link partner.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	ret_val = e1000e_config_fc_after_link_up(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		e_dbg("Error configuring flow control\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
 *  e1000e_check_for_fiber_link - Check for link (Fiber)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
 *  Checks for link up on the hardware.  If link is not up and we have
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
 *  a signal, then we need to force link up.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
s32 e1000e_check_for_fiber_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
	u32 rxcw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	/* If we don't have link (auto-negotiation failed or link partner
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	 * cannot auto-negotiate), the cable is plugged in (we have signal),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	 * and our link partner is not trying to auto-negotiate with us (we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	 * are receiving idles or data), we need to force link up. We also
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	 * need to give auto-negotiation time to complete, in case the cable
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	 * was just plugged in. The autoneg_failed flag does this.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	if ((ctrl & E1000_CTRL_SWDPIN1) && !(status & E1000_STATUS_LU) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	    !(rxcw & E1000_RXCW_C)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		if (!mac->autoneg_failed) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
			mac->autoneg_failed = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
			return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		e_dbg("NOT Rx'ing /C/, disable AutoNeg and force link.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		/* Disable auto-negotiation in the TXCW register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		/* Force link-up and also force full-duplex. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		/* Configure Flow Control after forcing link up. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		ret_val = e1000e_config_fc_after_link_up(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
			e_dbg("Error configuring flow control\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		/* If we are forcing link and we are receiving /C/ ordered
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		 * sets, re-enable auto-negotiation in the TXCW register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		 * and disable forced link in the Device Control register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
		 * in an attempt to auto-negotiate with our link partner.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		e_dbg("Rx'ing /C/, enable AutoNeg and stop forcing link.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		ew32(TXCW, mac->txcw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		mac->serdes_has_link = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
 *  e1000e_check_for_serdes_link - Check for link (Serdes)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
 *  Checks for link up on the hardware.  If link is not up and we have
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
 *  a signal, then we need to force link up.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	u32 rxcw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	/* If we don't have link (auto-negotiation failed or link partner
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	 * cannot auto-negotiate), and our link partner is not trying to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	 * auto-negotiate with us (we are receiving idles or data),
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	 * we need to force link up. We also need to give auto-negotiation
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	 * time to complete.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	if (!(status & E1000_STATUS_LU) && !(rxcw & E1000_RXCW_C)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
		if (!mac->autoneg_failed) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
			mac->autoneg_failed = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
			return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		e_dbg("NOT Rx'ing /C/, disable AutoNeg and force link.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		/* Disable auto-negotiation in the TXCW register */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		/* Force link-up and also force full-duplex. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
		/* Configure Flow Control after forcing link up. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		ret_val = e1000e_config_fc_after_link_up(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
			e_dbg("Error configuring flow control\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		/* If we are forcing link and we are receiving /C/ ordered
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
		 * sets, re-enable auto-negotiation in the TXCW register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		 * and disable forced link in the Device Control register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		 * in an attempt to auto-negotiate with our link partner.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		e_dbg("Rx'ing /C/, enable AutoNeg and stop forcing link.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		ew32(TXCW, mac->txcw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		mac->serdes_has_link = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		/* If we force link for non-auto-negotiation switch, check
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		 * link status based on MAC synchronization for internal
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		 * serdes media type.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		/* SYNCH bit and IV bit are sticky. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		if (rxcw & E1000_RXCW_SYNCH) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
			if (!(rxcw & E1000_RXCW_IV)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
				mac->serdes_has_link = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
				e_dbg("SERDES: Link up - forced.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
			mac->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
			e_dbg("SERDES: Link down - force failed.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	if (E1000_TXCW_ANE & er32(TXCW)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		if (status & E1000_STATUS_LU) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
			/* SYNCH bit and IV bit are sticky, so reread rxcw. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
			udelay(10);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
			rxcw = er32(RXCW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
			if (rxcw & E1000_RXCW_SYNCH) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
				if (!(rxcw & E1000_RXCW_IV)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
					mac->serdes_has_link = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
					e_dbg("SERDES: Link up - autoneg completed successfully.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
				} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
					mac->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
					e_dbg("SERDES: Link down - invalid codewords detected in autoneg.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
				}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
				mac->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
				e_dbg("SERDES: Link down - no sync.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
			mac->serdes_has_link = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
			e_dbg("SERDES: Link down - autoneg failed\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
 *  e1000_set_default_fc_generic - Set flow control default values
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
 *  Read the EEPROM for the default values for flow control and store the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
 *  values.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
static s32 e1000_set_default_fc_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	u16 nvm_data;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	/* Read and store word 0x0F of the EEPROM. This word contains bits
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	 * that determine the hardware's default PAUSE (flow control) mode,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	 * a bit that determines whether the HW defaults to enabling or
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	 * disabling auto-negotiation, and the direction of the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	 * SW defined pins. If there is no SW over-ride of the flow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	 * control setting, then the variable hw->fc will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	 * be initialized based on a value in the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &nvm_data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		e_dbg("NVM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	if (!(nvm_data & NVM_WORD0F_PAUSE_MASK))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		hw->fc.requested_mode = e1000_fc_none;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == NVM_WORD0F_ASM_DIR)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		hw->fc.requested_mode = e1000_fc_tx_pause;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		hw->fc.requested_mode = e1000_fc_full;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
 *  e1000e_setup_link_generic - Setup flow control and link settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
 *  Determines which flow control settings to use, then configures flow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
 *  control.  Calls the appropriate media-specific link configuration
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
 *  function.  Assuming the adapter has a valid link partner, a valid link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
 *  should be established.  Assumes the hardware has previously been reset
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
 *  and the transmitter and receiver are not enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
s32 e1000e_setup_link_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	/* In the case of the phy reset being blocked, we already have a link.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	 * We do not need to set it up again.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	/* If requested flow control is set to default, set flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	 * based on the EEPROM flow control settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	if (hw->fc.requested_mode == e1000_fc_default) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		ret_val = e1000_set_default_fc_generic(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	/* Save off the requested flow control mode for use later.  Depending
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	 * on the link partner's capabilities, we may or may not use this mode.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	hw->fc.current_mode = hw->fc.requested_mode;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	/* Call the necessary media_type subroutine to configure the link. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	ret_val = hw->mac.ops.setup_physical_interface(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	/* Initialize the flow control address, type, and PAUSE timer
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	 * registers to their default values.  This is done even if flow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	 * control is disabled, because it does not hurt anything to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	 * initialize these registers.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	e_dbg("Initializing the Flow Control address, type and timer regs\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	ew32(FCT, FLOW_CONTROL_TYPE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	ew32(FCTTV, hw->fc.pause_time);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	return e1000e_set_fc_watermarks(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
 *  e1000_commit_fc_settings_generic - Configure flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
 *  Write the flow control settings to the Transmit Config Word Register (TXCW)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
 *  base on the flow control settings in e1000_mac_info.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
static s32 e1000_commit_fc_settings_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	u32 txcw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	/* Check for a software override of the flow control settings, and
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	 * setup the device accordingly.  If auto-negotiation is enabled, then
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	 * software will have to set the "PAUSE" bits to the correct value in
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	 * the Transmit Config Word Register (TXCW) and re-start auto-
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
	 * negotiation.  However, if auto-negotiation is disabled, then
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	 * software will have to manually configure the two flow control enable
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	 * bits in the CTRL register.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	 * The possible values of the "fc" parameter are:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	 *      0:  Flow control is completely disabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	 *      1:  Rx flow control is enabled (we can receive pause frames,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	 *          but not send pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	 *      2:  Tx flow control is enabled (we can send pause frames but we
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	 *          do not support receiving pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	switch (hw->fc.current_mode) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	case e1000_fc_none:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		/* Flow control completely disabled by a software over-ride. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	case e1000_fc_rx_pause:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		/* Rx Flow control is enabled and Tx Flow control is disabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
		 * by a software over-ride. Since there really isn't a way to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		 * advertise that we are capable of Rx Pause ONLY, we will
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		 * advertise that we support both symmetric and asymmetric Rx
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		 * PAUSE.  Later, we will disable the adapter's ability to send
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		 * PAUSE frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	case e1000_fc_tx_pause:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		/* Tx Flow control is enabled, and Rx Flow control is disabled,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		 * by a software over-ride.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	case e1000_fc_full:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		/* Flow control (both Rx and Tx) is enabled by a software
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		 * over-ride.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		e_dbg("Flow control param set incorrectly\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	ew32(TXCW, txcw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	mac->txcw = txcw;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
 *  e1000_poll_fiber_serdes_link_generic - Poll for link up
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
 *  Polls for link up by reading the status register, if link fails to come
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
 *  up with auto-negotiation, then the link is forced if a signal is detected.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
static s32 e1000_poll_fiber_serdes_link_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	u32 i, status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	/* If we have a signal (the cable is plugged in, or assumed true for
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	 * serdes media) then poll for a "Link-Up" indication in the Device
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	 * Status Register.  Time-out if a link isn't seen in 500 milliseconds
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	 * seconds (Auto-negotiation should complete in less than 500
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	 * milliseconds even if the other end is doing it in SW).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	for (i = 0; i < FIBER_LINK_UP_LIMIT; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		usleep_range(10000, 20000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		if (status & E1000_STATUS_LU)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	if (i == FIBER_LINK_UP_LIMIT) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		e_dbg("Never got a valid link from auto-neg!!!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		mac->autoneg_failed = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		/* AutoNeg failed to achieve a link, so we'll call
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		 * mac->check_for_link. This routine will force the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		 * link up if we detect a signal. This will allow us to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		 * communicate with non-autonegotiating link partners.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		ret_val = mac->ops.check_for_link(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
			e_dbg("Error while checking for link\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		mac->autoneg_failed = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		mac->autoneg_failed = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		e_dbg("Valid Link Found\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
 *  e1000e_setup_fiber_serdes_link - Setup link for fiber/serdes
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
 *  Configures collision distance and flow control for fiber and serdes
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
 *  links.  Upon successful setup, poll for link.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	/* Take the link out of reset */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	ctrl &= ~E1000_CTRL_LRST;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	hw->mac.ops.config_collision_dist(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	ret_val = e1000_commit_fc_settings_generic(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	/* Since auto-negotiation is enabled, take the link out of reset (the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	 * link will be in reset, because we previously reset the chip). This
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	 * will restart auto-negotiation.  If auto-negotiation is successful
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	 * then the link-up status bit will be set and the flow control enable
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	 * bits (RFCE and TFCE) will be set according to their negotiated value.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	e_dbg("Auto-negotiation enabled\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	e1e_flush();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	usleep_range(1000, 2000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	/* For these adapters, the SW definable pin 1 is set when the optics
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	 * detect a signal.  If we have a signal, then poll for a "Link-Up"
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	 * indication.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	if (hw->phy.media_type == e1000_media_type_internal_serdes ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	    (er32(CTRL) & E1000_CTRL_SWDPIN1)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		ret_val = e1000_poll_fiber_serdes_link_generic(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		e_dbg("No signal detected\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
 *  e1000e_config_collision_dist_generic - Configure collision distance
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
 *  Configures the collision distance to the default value and is used
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
 *  during link setup.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
void e1000e_config_collision_dist_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	u32 tctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	tctl = er32(TCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	tctl &= ~E1000_TCTL_COLD;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	ew32(TCTL, tctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	e1e_flush();
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
 *  e1000e_set_fc_watermarks - Set flow control high/low watermarks
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
 *  Sets the flow control high/low threshold (watermark) registers.  If
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
 *  flow control XON frame transmission is enabled, then set XON frame
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
 *  transmission as well.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
s32 e1000e_set_fc_watermarks(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	u32 fcrtl = 0, fcrth = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	/* Set the flow control receive threshold registers.  Normally,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	 * these registers will be set to a default threshold that may be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	 * adjusted later by the driver's runtime code.  However, if the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	 * ability to transmit pause frames is not enabled, then these
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	 * registers will be set to 0.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	if (hw->fc.current_mode & e1000_fc_tx_pause) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		/* We need to set up the Receive Threshold high and low water
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		 * marks as well as (optionally) enabling the transmission of
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
		 * XON frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
		fcrtl = hw->fc.low_water;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		if (hw->fc.send_xon)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
			fcrtl |= E1000_FCRTL_XONE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
		fcrth = hw->fc.high_water;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	ew32(FCRTL, fcrtl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	ew32(FCRTH, fcrth);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
 *  e1000e_force_mac_fc - Force the MAC's flow control settings
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
 *  Force the MAC's flow control settings.  Sets the TFCE and RFCE bits in the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
 *  device control register to reflect the adapter settings.  TFCE and RFCE
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
 *  need to be explicitly set by software when a copper PHY is used because
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
 *  autonegotiation is managed by the PHY rather than the MAC.  Software must
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
 *  also configure these bits when link is forced on a fiber connection.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
s32 e1000e_force_mac_fc(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	/* Because we didn't get link via the internal auto-negotiation
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	 * mechanism (we either forced link or we got link via PHY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	 * auto-neg), we have to manually enable/disable transmit an
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	 * receive flow control.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	 * The "Case" statement below enables/disable flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	 * according to the "hw->fc.current_mode" parameter.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	 * The possible values of the "fc" parameter are:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	 *      0:  Flow control is completely disabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	 *      1:  Rx flow control is enabled (we can receive pause
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	 *          frames but not send pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	 *      2:  Tx flow control is enabled (we can send pause frames
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	 *          frames but we do not receive pause frames).
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	 *      3:  Both Rx and Tx flow control (symmetric) is enabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	 *  other:  No other values should be possible at this point.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	e_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	switch (hw->fc.current_mode) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	case e1000_fc_none:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	case e1000_fc_rx_pause:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		ctrl &= (~E1000_CTRL_TFCE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		ctrl |= E1000_CTRL_RFCE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	case e1000_fc_tx_pause:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		ctrl &= (~E1000_CTRL_RFCE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		ctrl |= E1000_CTRL_TFCE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	case e1000_fc_full:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		e_dbg("Flow control param set incorrectly\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
 *  e1000e_config_fc_after_link_up - Configures flow control after link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
 *  Checks the status of auto-negotiation after link up to ensure that the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
 *  speed and duplex were not forced.  If the link needed to be forced, then
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
 *  flow control needs to be forced also.  If auto-negotiation is enabled
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
 *  and did not fail, then we configure flow control based on our link
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
 *  partner.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	s32 ret_val = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	u16 speed, duplex;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	/* Check for the case where we have fiber media and auto-neg failed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	 * so we had to force link.  In this case, we need to force the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	 * configuration of the MAC to match the "fc" parameter.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	if (mac->autoneg_failed) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		if (hw->phy.media_type == e1000_media_type_fiber ||
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		    hw->phy.media_type == e1000_media_type_internal_serdes)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
			ret_val = e1000e_force_mac_fc(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		if (hw->phy.media_type == e1000_media_type_copper)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
			ret_val = e1000e_force_mac_fc(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		e_dbg("Error forcing flow control settings\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	/* Check for the case where we have copper media and auto-neg is
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	 * enabled.  In this case, we need to check and see if Auto-Neg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	 * has completed, and if so, how the PHY and link partner has
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	 * flow control configured.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	if ((hw->phy.media_type == e1000_media_type_copper) && mac->autoneg) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		/* Read the MII Status Register and check to see if AutoNeg
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		 * has completed.  We read this twice because this reg has
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		 * some "sticky" (latched) bits.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		ret_val = e1e_rphy(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		ret_val = e1e_rphy(hw, PHY_STATUS, &mii_status_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		if (!(mii_status_reg & MII_SR_AUTONEG_COMPLETE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
			e_dbg("Copper PHY and Auto Neg has not completed.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		/* The AutoNeg process has completed, so we now need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		 * read both the Auto Negotiation Advertisement
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		 * Register (Address 4) and the Auto_Negotiation Base
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		 * Page Ability Register (Address 5) to determine how
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
		 * flow control was negotiated.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		ret_val = e1e_rphy(hw, PHY_AUTONEG_ADV, &mii_nway_adv_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
		ret_val =
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		    e1e_rphy(hw, PHY_LP_ABILITY, &mii_nway_lp_ability_reg);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		/* Two bits in the Auto Negotiation Advertisement Register
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		 * (Address 4) and two bits in the Auto Negotiation Base
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		 * Page Ability Register (Address 5) determine flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		 * for both the PHY and the link partner.  The following
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
		 * 1999, describes these PAUSE resolution bits and how flow
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		 * control is determined based upon these settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		 * NOTE:  DC = Don't Care
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		 *   0   |    0    |  DC   |   DC    | e1000_fc_none
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		 *   0   |    1    |   0   |   DC    | e1000_fc_none
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		 *   0   |    1    |   1   |    0    | e1000_fc_none
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		 *   1   |    0    |   0   |   DC    | e1000_fc_none
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		 *   1   |   DC    |   1   |   DC    | e1000_fc_full
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		 *   1   |    1    |   0   |    0    | e1000_fc_none
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		 * Are both PAUSE bits set to 1?  If so, this implies
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		 * Symmetric Flow Control is enabled at both ends.  The
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		 * ASM_DIR bits are irrelevant per the spec.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		 * For Symmetric Flow Control:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		 *   1   |   DC    |   1   |   DC    | E1000_fc_full
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
			/* Now we need to check if the user selected Rx ONLY
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
			 * of pause frames.  In this case, we had to advertise
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
			 * FULL flow control because we could not advertise Rx
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
			 * ONLY. Hence, we must now check to see if we need to
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
			 * turn OFF the TRANSMISSION of PAUSE frames.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
			if (hw->fc.requested_mode == e1000_fc_full) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
				hw->fc.current_mode = e1000_fc_full;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
				e_dbg("Flow Control = FULL.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
				hw->fc.current_mode = e1000_fc_rx_pause;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
				e_dbg("Flow Control = Rx PAUSE frames only.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		/* For receiving PAUSE frames ONLY.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
		 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
			 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			 (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
			 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			hw->fc.current_mode = e1000_fc_tx_pause;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
			e_dbg("Flow Control = Tx PAUSE frames only.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		/* For transmitting PAUSE frames ONLY.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		 *   LOCAL DEVICE  |   LINK PARTNER
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		 *-------|---------|-------|---------|--------------------
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
			 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
			 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
			 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
			hw->fc.current_mode = e1000_fc_rx_pause;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
			e_dbg("Flow Control = Rx PAUSE frames only.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
			/* Per the IEEE spec, at this point flow control
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
			 * should be disabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
			hw->fc.current_mode = e1000_fc_none;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
			e_dbg("Flow Control = NONE.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		/* Now we need to do one last check...  If we auto-
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		 * negotiated to HALF DUPLEX, flow control should not be
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		 * enabled per IEEE 802.3 spec.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		ret_val = mac->ops.get_link_up_info(hw, &speed, &duplex);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			e_dbg("Error getting link speed and duplex\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		if (duplex == HALF_DUPLEX)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			hw->fc.current_mode = e1000_fc_none;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		/* Now we call a subroutine to actually force the MAC
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		 * controller to use the correct flow control settings.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		ret_val = e1000e_force_mac_fc(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			e_dbg("Error forcing flow control settings\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
 *  e1000e_get_speed_and_duplex_copper - Retrieve current speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 *  @speed: stores the current speed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 *  @duplex: stores the current duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
 *  Read the status register for the current speed/duplex and store the current
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
 *  speed and duplex for copper connections.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
				       u16 *duplex)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	u32 status;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	status = er32(STATUS);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	if (status & E1000_STATUS_SPEED_1000)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		*speed = SPEED_1000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	else if (status & E1000_STATUS_SPEED_100)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		*speed = SPEED_100;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		*speed = SPEED_10;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	if (status & E1000_STATUS_FD)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		*duplex = FULL_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		*duplex = HALF_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	e_dbg("%u Mbps, %s Duplex\n",
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	      *speed == SPEED_1000 ? 1000 : *speed == SPEED_100 ? 100 : 10,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	      *duplex == FULL_DUPLEX ? "Full" : "Half");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
 *  e1000e_get_speed_and_duplex_fiber_serdes - Retrieve current speed/duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
 *  @speed: stores the current speed
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
 *  @duplex: stores the current duplex
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
 *  Sets the speed and duplex to gigabit full duplex (the only possible option)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
 *  for fiber/serdes links.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed,
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
					     u16 *duplex)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	*speed = SPEED_1000;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
	*duplex = FULL_DUPLEX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
 *  e1000e_get_hw_semaphore - Acquire hardware semaphore
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
 *  Acquire the HW semaphore to access the PHY or NVM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
s32 e1000e_get_hw_semaphore(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	u32 swsm;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	s32 timeout = hw->nvm.word_size + 1;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	s32 i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	/* Get the SW semaphore */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	while (i < timeout) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
		swsm = er32(SWSM);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
		if (!(swsm & E1000_SWSM_SMBI))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
		udelay(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
		i++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	if (i == timeout) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		e_dbg("Driver can't access device - SMBI bit is set.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		return -E1000_ERR_NVM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	/* Get the FW semaphore. */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	for (i = 0; i < timeout; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
		swsm = er32(SWSM);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		ew32(SWSM, swsm | E1000_SWSM_SWESMBI);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		/* Semaphore acquired if bit latched */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		if (er32(SWSM) & E1000_SWSM_SWESMBI)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		udelay(50);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	if (i == timeout) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		/* Release semaphores */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		e1000e_put_hw_semaphore(hw);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		e_dbg("Driver can't access the NVM\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		return -E1000_ERR_NVM;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
 *  e1000e_put_hw_semaphore - Release hardware semaphore
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
 *  Release hardware semaphore used to access the PHY or NVM
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
void e1000e_put_hw_semaphore(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	u32 swsm;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	swsm = er32(SWSM);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	ew32(SWSM, swsm);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
 *  e1000e_get_auto_rd_done - Check for auto read completion
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
 *  Check EEPROM for Auto Read done bit.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
s32 e1000e_get_auto_rd_done(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	s32 i = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
	while (i < AUTO_READ_DONE_TIMEOUT) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		if (er32(EECD) & E1000_EECD_AUTO_RD)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		usleep_range(1000, 2000);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		i++;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	if (i == AUTO_READ_DONE_TIMEOUT) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		e_dbg("Auto read by HW from NVM has not completed.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		return -E1000_ERR_RESET;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
 *  e1000e_valid_led_default - Verify a valid default LED config
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
 *  @data: pointer to the NVM (EEPROM)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
 *  Read the EEPROM for the current default LED configuration.  If the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
 *  LED configuration is not valid, set to a valid LED configuration.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	if (ret_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		e_dbg("NVM Read Error\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
		*data = ID_LED_DEFAULT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
 *  e1000e_id_led_init_generic -
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
s32 e1000e_id_led_init_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	s32 ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	const u32 ledctl_mask = 0x000000FF;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	u16 data, i, temp;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	const u16 led_mask = 0x0F;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	ret_val = hw->nvm.ops.valid_led_default(hw, &data);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	if (ret_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		return ret_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	mac->ledctl_default = er32(LEDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	mac->ledctl_mode1 = mac->ledctl_default;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	mac->ledctl_mode2 = mac->ledctl_default;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	for (i = 0; i < 4; i++) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		temp = (data >> (i << 2)) & led_mask;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		switch (temp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		case ID_LED_ON1_DEF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
		case ID_LED_ON1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
		case ID_LED_ON1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
			mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
			mac->ledctl_mode1 |= ledctl_on << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
		case ID_LED_OFF1_DEF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
		case ID_LED_OFF1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
		case ID_LED_OFF1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
			mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
			mac->ledctl_mode1 |= ledctl_off << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
			/* Do nothing */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		switch (temp) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
		case ID_LED_DEF1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
		case ID_LED_ON1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
		case ID_LED_OFF1_ON2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
			mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
			mac->ledctl_mode2 |= ledctl_on << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		case ID_LED_DEF1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		case ID_LED_ON1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		case ID_LED_OFF1_OFF2:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
			mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
			mac->ledctl_mode2 |= ledctl_off << (i << 3);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
			/* Do nothing */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
 *  e1000e_setup_led_generic - Configures SW controllable LED
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
 *  This prepares the SW controllable LED for use and saves the current state
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
 *  of the LED so it can be later restored.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
s32 e1000e_setup_led_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	u32 ledctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	if (hw->mac.ops.setup_led != e1000e_setup_led_generic)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		return -E1000_ERR_CONFIG;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	if (hw->phy.media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		ledctl = er32(LEDCTL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		hw->mac.ledctl_default = ledctl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
		/* Turn off LED0 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		ledctl &= ~(E1000_LEDCTL_LED0_IVRT | E1000_LEDCTL_LED0_BLINK |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
			    E1000_LEDCTL_LED0_MODE_MASK);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
			   E1000_LEDCTL_LED0_MODE_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		ew32(LEDCTL, ledctl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	} else if (hw->phy.media_type == e1000_media_type_copper) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		ew32(LEDCTL, hw->mac.ledctl_mode1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
 *  e1000e_cleanup_led_generic - Set LED config to default operation
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
 *  Remove the current LED configuration and set the LED configuration
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
 *  to the default value, saved from the EEPROM.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
s32 e1000e_cleanup_led_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	ew32(LEDCTL, hw->mac.ledctl_default);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
 *  e1000e_blink_led_generic - Blink LED
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
 *  Blink the LEDs which are set to be on.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
s32 e1000e_blink_led_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	u32 ledctl_blink = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	u32 i;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	if (hw->phy.media_type == e1000_media_type_fiber) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		/* always blink LED0 for PCI-E fiber */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
		ledctl_blink = E1000_LEDCTL_LED0_BLINK |
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		    (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		/* set the blink bit for each LED that's "on" (0x0E)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
		 * in ledctl_mode2
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
		 */
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
		ledctl_blink = hw->mac.ledctl_mode2;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
		for (i = 0; i < 4; i++)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
			if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) ==
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
			    E1000_LEDCTL_MODE_LED_ON)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
				ledctl_blink |= (E1000_LEDCTL_LED0_BLINK <<
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
						 (i * 8));
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	ew32(LEDCTL, ledctl_blink);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
 *  e1000e_led_on_generic - Turn LED on
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
 *  Turn LED on.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
s32 e1000e_led_on_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	switch (hw->phy.media_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	case e1000_media_type_fiber:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		ctrl &= ~E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	case e1000_media_type_copper:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		ew32(LEDCTL, hw->mac.ledctl_mode2);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
 *  e1000e_led_off_generic - Turn LED off
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
 *  Turn LED off.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
s32 e1000e_led_off_generic(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	switch (hw->phy.media_type) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	case e1000_media_type_fiber:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
		ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
		ctrl |= E1000_CTRL_SWDPIN0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		ctrl |= E1000_CTRL_SWDPIO0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	case e1000_media_type_copper:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		ew32(LEDCTL, hw->mac.ledctl_mode1);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	default:
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
 *  e1000e_set_pcie_no_snoop - Set PCI-express capabilities
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
 *  @no_snoop: bitmap of snoop events
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
 *  Set the PCI-express register to snoop for events enabled in 'no_snoop'.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	u32 gcr;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
	if (no_snoop) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		gcr = er32(GCR);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		gcr &= ~(PCIE_NO_SNOOP_ALL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		gcr |= no_snoop;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		ew32(GCR, gcr);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
 *  e1000e_disable_pcie_master - Disables PCI-express master access
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
 *  Returns 0 if successful, else returns -10
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
 *  (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
 *  the master requests to be disabled.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
 *  Disables PCI-Express master access and verifies there are no pending
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
 *  requests.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
s32 e1000e_disable_pcie_master(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	u32 ctrl;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	s32 timeout = MASTER_DISABLE_TIMEOUT;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	ctrl = er32(CTRL);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	ctrl |= E1000_CTRL_GIO_MASTER_DISABLE;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	ew32(CTRL, ctrl);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	while (timeout) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
		if (!(er32(STATUS) & E1000_STATUS_GIO_MASTER_ENABLE))
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
			break;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		udelay(100);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		timeout--;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	if (!timeout) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		e_dbg("Master requests are pending.\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		return -E1000_ERR_MASTER_REQUESTS_PENDING;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	return 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
 *  e1000e_reset_adaptive - Reset Adaptive Interframe Spacing
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
 *  Reset the Adaptive Interframe Spacing throttle to default values.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
void e1000e_reset_adaptive(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	if (!mac->adaptive_ifs) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		e_dbg("Not in Adaptive IFS mode!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	mac->current_ifs_val = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	mac->ifs_min_val = IFS_MIN;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	mac->ifs_max_val = IFS_MAX;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	mac->ifs_step_size = IFS_STEP;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	mac->ifs_ratio = IFS_RATIO;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	mac->in_ifs_mode = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	ew32(AIT, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
/**
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
 *  e1000e_update_adaptive - Update Adaptive Interframe Spacing
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
 *  @hw: pointer to the HW structure
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 *
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 *  Update the Adaptive Interframe Spacing Throttle value based on the
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 *  time between transmitted packets and time between collisions.
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 **/
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
void e1000e_update_adaptive(struct e1000_hw *hw)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
{
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	struct e1000_mac_info *mac = &hw->mac;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	if (!mac->adaptive_ifs) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		e_dbg("Not in Adaptive IFS mode!\n");
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		return;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		if (mac->tx_packet_delta > MIN_NUM_XMITS) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
			mac->in_ifs_mode = true;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
			if (mac->current_ifs_val < mac->ifs_max_val) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
				if (!mac->current_ifs_val)
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
					mac->current_ifs_val = mac->ifs_min_val;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
				else
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
					mac->current_ifs_val +=
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
					    mac->ifs_step_size;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
				ew32(AIT, mac->current_ifs_val);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
			}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	} else {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		if (mac->in_ifs_mode &&
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		    (mac->tx_packet_delta <= MIN_NUM_XMITS)) {
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
			mac->current_ifs_val = 0;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
			mac->in_ifs_mode = false;
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
			ew32(AIT, 0);
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	}
0e3d989ff233 Added all drivers for kernel 3.8.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
}