1 /*******************************************************************************
2 
3   Intel(R) Gigabit Ethernet Linux driver
4   Copyright(c) 2007-2009 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
137