1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Intel(R) Gigabit Ethernet Linux driver 3 * Copyright(c) 2007-2014 Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, see <http://www.gnu.org/licenses/>. 16 * 17 * The full GNU General Public License is included in this distribution in 18 * the file called "COPYING". 19 * 20 * Contact Information: 21 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 22 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 23 */ 24 25 #ifndef _E1000_PHY_H_ 26 #define _E1000_PHY_H_ 27 28 enum e1000_ms_type { 29 e1000_ms_hw_default = 0, 30 e1000_ms_force_master, 31 e1000_ms_force_slave, 32 e1000_ms_auto 33 }; 34 35 enum e1000_smart_speed { 36 e1000_smart_speed_default = 0, 37 e1000_smart_speed_on, 38 e1000_smart_speed_off 39 }; 40 41 s32 igb_check_downshift(struct e1000_hw *hw); 42 s32 igb_check_reset_block(struct e1000_hw *hw); 43 s32 igb_copper_link_setup_igp(struct e1000_hw *hw); 44 s32 igb_copper_link_setup_m88(struct e1000_hw *hw); 45 s32 igb_copper_link_setup_m88_gen2(struct e1000_hw *hw); 46 s32 igb_phy_force_speed_duplex_igp(struct e1000_hw *hw); 47 s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw); 48 s32 igb_get_cable_length_m88(struct e1000_hw *hw); 49 s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw); 50 s32 igb_get_cable_length_igp_2(struct e1000_hw *hw); 51 s32 igb_get_phy_id(struct e1000_hw *hw); 52 s32 igb_get_phy_info_igp(struct e1000_hw *hw); 53 s32 igb_get_phy_info_m88(struct e1000_hw *hw); 54 s32 igb_phy_sw_reset(struct e1000_hw *hw); 55 s32 igb_phy_hw_reset(struct e1000_hw *hw); 56 s32 igb_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data); 57 s32 igb_set_d3_lplu_state(struct e1000_hw *hw, bool active); 58 s32 igb_setup_copper_link(struct e1000_hw *hw); 59 s32 igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data); 60 s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations, 61 u32 usec_interval, bool *success); 62 void igb_power_up_phy_copper(struct e1000_hw *hw); 63 void igb_power_down_phy_copper(struct e1000_hw *hw); 64 s32 igb_phy_init_script_igp3(struct e1000_hw *hw); 65 s32 igb_initialize_M88E1512_phy(struct e1000_hw *hw); 66 s32 igb_initialize_M88E1543_phy(struct e1000_hw *hw); 67 s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data); 68 s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data); 69 s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data); 70 s32 igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data); 71 s32 igb_read_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 *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 s32 igb_read_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 *data); 77 s32 igb_write_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 data); 78 s32 igb_check_polarity_m88(struct e1000_hw *hw); 79 80 /* IGP01E1000 Specific Registers */ 81 #define IGP01E1000_PHY_PORT_CONFIG 0x10 /* Port Config */ 82 #define IGP01E1000_PHY_PORT_STATUS 0x11 /* Status */ 83 #define IGP01E1000_PHY_PORT_CTRL 0x12 /* Control */ 84 #define IGP01E1000_PHY_LINK_HEALTH 0x13 /* PHY Link Health */ 85 #define IGP02E1000_PHY_POWER_MGMT 0x19 /* Power Management */ 86 #define IGP01E1000_PHY_PAGE_SELECT 0x1F /* Page Select */ 87 #define IGP01E1000_PHY_PCS_INIT_REG 0x00B4 88 #define IGP01E1000_PHY_POLARITY_MASK 0x0078 89 #define IGP01E1000_PSCR_AUTO_MDIX 0x1000 90 #define IGP01E1000_PSCR_FORCE_MDI_MDIX 0x2000 /* 0=MDI, 1=MDIX */ 91 #define IGP01E1000_PSCFR_SMART_SPEED 0x0080 92 93 #define I82580_ADDR_REG 16 94 #define I82580_CFG_REG 22 95 #define I82580_CFG_ASSERT_CRS_ON_TX BIT(15) 96 #define I82580_CFG_ENABLE_DOWNSHIFT (3u << 10) /* auto downshift 100/10 */ 97 #define I82580_CTRL_REG 23 98 #define I82580_CTRL_DOWNSHIFT_MASK (7u << 10) 99 100 /* 82580 specific PHY registers */ 101 #define I82580_PHY_CTRL_2 18 102 #define I82580_PHY_LBK_CTRL 19 103 #define I82580_PHY_STATUS_2 26 104 #define I82580_PHY_DIAG_STATUS 31 105 106 /* I82580 PHY Status 2 */ 107 #define I82580_PHY_STATUS2_REV_POLARITY 0x0400 108 #define I82580_PHY_STATUS2_MDIX 0x0800 109 #define I82580_PHY_STATUS2_SPEED_MASK 0x0300 110 #define I82580_PHY_STATUS2_SPEED_1000MBPS 0x0200 111 #define I82580_PHY_STATUS2_SPEED_100MBPS 0x0100 112 113 /* I82580 PHY Control 2 */ 114 #define I82580_PHY_CTRL2_MANUAL_MDIX 0x0200 115 #define I82580_PHY_CTRL2_AUTO_MDI_MDIX 0x0400 116 #define I82580_PHY_CTRL2_MDIX_CFG_MASK 0x0600 117 118 /* I82580 PHY Diagnostics Status */ 119 #define I82580_DSTATUS_CABLE_LENGTH 0x03FC 120 #define I82580_DSTATUS_CABLE_LENGTH_SHIFT 2 121 122 /* 82580 PHY Power Management */ 123 #define E1000_82580_PHY_POWER_MGMT 0xE14 124 #define E1000_82580_PM_SPD 0x0001 /* Smart Power Down */ 125 #define E1000_82580_PM_D0_LPLU 0x0002 /* For D0a states */ 126 #define E1000_82580_PM_D3_LPLU 0x0004 /* For all other states */ 127 #define E1000_82580_PM_GO_LINKD 0x0020 /* Go Link Disconnect */ 128 129 /* Enable flexible speed on link-up */ 130 #define IGP02E1000_PM_D0_LPLU 0x0002 /* For D0a states */ 131 #define IGP02E1000_PM_D3_LPLU 0x0004 /* For all other states */ 132 #define IGP01E1000_PLHR_SS_DOWNGRADE 0x8000 133 #define IGP01E1000_PSSR_POLARITY_REVERSED 0x0002 134 #define IGP01E1000_PSSR_MDIX 0x0800 135 #define IGP01E1000_PSSR_SPEED_MASK 0xC000 136 #define IGP01E1000_PSSR_SPEED_1000MBPS 0xC000 137 #define IGP02E1000_PHY_CHANNEL_NUM 4 138 #define IGP02E1000_PHY_AGC_A 0x11B1 139 #define IGP02E1000_PHY_AGC_B 0x12B1 140 #define IGP02E1000_PHY_AGC_C 0x14B1 141 #define IGP02E1000_PHY_AGC_D 0x18B1 142 #define IGP02E1000_AGC_LENGTH_SHIFT 9 /* Course - 15:13, Fine - 12:9 */ 143 #define IGP02E1000_AGC_LENGTH_MASK 0x7F 144 #define IGP02E1000_AGC_RANGE 15 145 146 #define E1000_CABLE_LENGTH_UNDEFINED 0xFF 147 148 /* SFP modules ID memory locations */ 149 #define E1000_SFF_IDENTIFIER_OFFSET 0x00 150 #define E1000_SFF_IDENTIFIER_SFF 0x02 151 #define E1000_SFF_IDENTIFIER_SFP 0x03 152 153 #define E1000_SFF_ETH_FLAGS_OFFSET 0x06 154 /* Flags for SFP modules compatible with ETH up to 1Gb */ 155 struct e1000_sfp_flags { 156 u8 e1000_base_sx:1; 157 u8 e1000_base_lx:1; 158 u8 e1000_base_cx:1; 159 u8 e1000_base_t:1; 160 u8 e100_base_lx:1; 161 u8 e100_base_fx:1; 162 u8 e10_base_bx10:1; 163 u8 e10_base_px:1; 164 }; 165 166 #endif 167