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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
31enum 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
38enum e1000_smart_speed {
39 e1000_smart_speed_default = 0,
40 e1000_smart_speed_on,
41 e1000_smart_speed_off
42};
43
44s32 igb_check_downshift(struct e1000_hw *hw);
45s32 igb_check_reset_block(struct e1000_hw *hw);
46s32 igb_copper_link_setup_igp(struct e1000_hw *hw);
47s32 igb_copper_link_setup_m88(struct e1000_hw *hw);
48s32 igb_copper_link_setup_m88_gen2(struct e1000_hw *hw);
49s32 igb_phy_force_speed_duplex_igp(struct e1000_hw *hw);
50s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw);
51s32 igb_get_cable_length_m88(struct e1000_hw *hw);
52s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw);
53s32 igb_get_cable_length_igp_2(struct e1000_hw *hw);
54s32 igb_get_phy_id(struct e1000_hw *hw);
55s32 igb_get_phy_info_igp(struct e1000_hw *hw);
56s32 igb_get_phy_info_m88(struct e1000_hw *hw);
57s32 igb_phy_sw_reset(struct e1000_hw *hw);
58s32 igb_phy_hw_reset(struct e1000_hw *hw);
59s32 igb_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
60s32 igb_set_d3_lplu_state(struct e1000_hw *hw, bool active);
61s32 igb_setup_copper_link(struct e1000_hw *hw);
62s32 igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
63s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
64 u32 usec_interval, bool *success);
65void igb_power_up_phy_copper(struct e1000_hw *hw);
66void igb_power_down_phy_copper(struct e1000_hw *hw);
67s32 igb_phy_init_script_igp3(struct e1000_hw *hw);
68s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
69s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
70s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
71s32 igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
72s32 igb_copper_link_setup_82580(struct e1000_hw *hw);
73s32 igb_get_phy_info_82580(struct e1000_hw *hw);
74s32 igb_phy_force_speed_duplex_82580(struct e1000_hw *hw);
75s32 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