drivers/net/igb/e1000_phy.h

   1 /*******************************************************************************
   2
   3   Intel(R) Gigabit Ethernet Linux driver
   4   Copyright(c) 2007-2011 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 #ifndef _E1000_PHY_H_
  29 #define _E1000_PHY_H_
  30
  31 enum e1000_ms_type {
  32         e1000_ms_hw_default = 0,
  33         e1000_ms_force_master,
  34         e1000_ms_force_slave,
  35         e1000_ms_auto
  36 };
  37
  38 enum e1000_smart_speed {
  39         e1000_smart_speed_default = 0,
  40         e1000_smart_speed_on,
  41         e1000_smart_speed_off
  42 };
  43
  44 s32  igb_check_downshift(struct e1000_hw *hw);
  45 s32  igb_check_reset_block(struct e1000_hw *hw);
  46 s32  igb_copper_link_setup_igp(struct e1000_hw *hw);
  47 s32  igb_copper_link_setup_m88(struct e1000_hw *hw);
  48 s32  igb_copper_link_setup_m88_gen2(struct e1000_hw *hw);
  49 s32  igb_phy_force_speed_duplex_igp(struct e1000_hw *hw);
  50 s32  igb_phy_force_speed_duplex_m88(struct e1000_hw *hw);
  51 s32  igb_get_cable_length_m88(struct e1000_hw *hw);
  52 s32  igb_get_cable_length_m88_gen2(struct e1000_hw *hw);
  53 s32  igb_get_cable_length_igp_2(struct e1000_hw *hw);
  54 s32  igb_get_phy_id(struct e1000_hw *hw);
  55 s32  igb_get_phy_info_igp(struct e1000_hw *hw);
  56 s32  igb_get_phy_info_m88(struct e1000_hw *hw);
  57 s32  igb_phy_sw_reset(struct e1000_hw *hw);
  58 s32  igb_phy_hw_reset(struct e1000_hw *hw);
  59 s32  igb_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
  60 s32  igb_set_d3_lplu_state(struct e1000_hw *hw, bool active);
  61 s32  igb_setup_copper_link(struct e1000_hw *hw);
  62 s32  igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
  63 s32  igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
  64                                 u32 usec_interval, bool *success);
  65 void igb_power_up_phy_copper(struct e1000_hw *hw);
  66 void igb_power_down_phy_copper(struct e1000_hw *hw);
  67 s32  igb_phy_init_script_igp3(struct e1000_hw *hw);
  68 s32  igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
  69 s32  igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
  70 s32  igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
  71 s32  igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
  72 s32  igb_copper_link_setup_82580(struct e1000_hw *hw);
  73 s32  igb_get_phy_info_82580(struct e1000_hw *hw);
  74 s32  igb_phy_force_speed_duplex_82580(struct e1000_hw *hw);
  75 s32  igb_get_cable_length_82580(struct e1000_hw *hw);
  76
  77 /* IGP01E1000 Specific Registers */
  78 #define IGP01E1000_PHY_PORT_CONFIG        0x10 /* Port Config */
  79 #define IGP01E1000_PHY_PORT_STATUS        0x11 /* Status */
  80 #define IGP01E1000_PHY_PORT_CTRL          0x12 /* Control */
  81 #define IGP01E1000_PHY_LINK_HEALTH        0x13 /* PHY Link Health */
  82 #define IGP02E1000_PHY_POWER_MGMT         0x19 /* Power Management */
  83 #define IGP01E1000_PHY_PAGE_SELECT        0x1F /* Page Select */
  84 #define IGP01E1000_PHY_PCS_INIT_REG       0x00B4
  85 #define IGP01E1000_PHY_POLARITY_MASK      0x0078
  86 #define IGP01E1000_PSCR_AUTO_MDIX         0x1000
  87 #define IGP01E1000_PSCR_FORCE_MDI_MDIX    0x2000 /* 0=MDI, 1=MDIX */
  88 #define IGP01E1000_PSCFR_SMART_SPEED      0x0080
  89
  90 #define I82580_ADDR_REG                   16
  91 #define I82580_CFG_REG                    22
  92 #define I82580_CFG_ASSERT_CRS_ON_TX       (1 << 15)
  93 #define I82580_CFG_ENABLE_DOWNSHIFT       (3 << 10) /* auto downshift 100/10 */
  94 #define I82580_CTRL_REG                   23
  95 #define I82580_CTRL_DOWNSHIFT_MASK        (7 << 10)
  96
  97 /* 82580 specific PHY registers */
  98 #define I82580_PHY_CTRL_2            18
  99 #define I82580_PHY_LBK_CTRL          19
 100 #define I82580_PHY_STATUS_2          26
 101 #define I82580_PHY_DIAG_STATUS       31
 102
 103 /* I82580 PHY Status 2 */
 104 #define I82580_PHY_STATUS2_REV_POLARITY   0x0400
 105 #define I82580_PHY_STATUS2_MDIX           0x0800
 106 #define I82580_PHY_STATUS2_SPEED_MASK     0x0300
 107 #define I82580_PHY_STATUS2_SPEED_1000MBPS 0x0200
 108 #define I82580_PHY_STATUS2_SPEED_100MBPS  0x0100
 109
 110 /* I82580 PHY Control 2 */
 111 #define I82580_PHY_CTRL2_AUTO_MDIX        0x0400
 112 #define I82580_PHY_CTRL2_FORCE_MDI_MDIX   0x0200
 113
 114 /* I82580 PHY Diagnostics Status */
 115 #define I82580_DSTATUS_CABLE_LENGTH       0x03FC
 116 #define I82580_DSTATUS_CABLE_LENGTH_SHIFT 2
 117 /* Enable flexible speed on link-up */
 118 #define IGP02E1000_PM_D0_LPLU             0x0002 /* For D0a states */
 119 #define IGP02E1000_PM_D3_LPLU             0x0004 /* For all other states */
 120 #define IGP01E1000_PLHR_SS_DOWNGRADE      0x8000
 121 #define IGP01E1000_PSSR_POLARITY_REVERSED 0x0002
 122 #define IGP01E1000_PSSR_MDIX              0x0800
 123 #define IGP01E1000_PSSR_SPEED_MASK        0xC000
 124 #define IGP01E1000_PSSR_SPEED_1000MBPS    0xC000
 125 #define IGP02E1000_PHY_CHANNEL_NUM        4
 126 #define IGP02E1000_PHY_AGC_A              0x11B1
 127 #define IGP02E1000_PHY_AGC_B              0x12B1
 128 #define IGP02E1000_PHY_AGC_C              0x14B1
 129 #define IGP02E1000_PHY_AGC_D              0x18B1
 130 #define IGP02E1000_AGC_LENGTH_SHIFT       9   /* Course - 15:13, Fine - 12:9 */
 131 #define IGP02E1000_AGC_LENGTH_MASK        0x7F
 132 #define IGP02E1000_AGC_RANGE              15
 133
 134 #define E1000_CABLE_LENGTH_UNDEFINED      0xFF
 135
 136 #endif