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1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4#ifndef _IXGBE_PHY_H_
5#define _IXGBE_PHY_H_
6
7#include "ixgbe_type.h"
8#define IXGBE_I2C_EEPROM_DEV_ADDR 0xA0
9#define IXGBE_I2C_EEPROM_DEV_ADDR2 0xA2
10
11/* EEPROM byte offsets */
12#define IXGBE_SFF_IDENTIFIER 0x0
13#define IXGBE_SFF_IDENTIFIER_SFP 0x3
14#define IXGBE_SFF_VENDOR_OUI_BYTE0 0x25
15#define IXGBE_SFF_VENDOR_OUI_BYTE1 0x26
16#define IXGBE_SFF_VENDOR_OUI_BYTE2 0x27
17#define IXGBE_SFF_1GBE_COMP_CODES 0x6
18#define IXGBE_SFF_10GBE_COMP_CODES 0x3
19#define IXGBE_SFF_CABLE_TECHNOLOGY 0x8
20#define IXGBE_SFF_BITRATE_NOMINAL 0xC
21#define IXGBE_SFF_CABLE_SPEC_COMP 0x3C
22#define IXGBE_SFF_SFF_8472_SWAP 0x5C
23#define IXGBE_SFF_SFF_8472_COMP 0x5E
24#define IXGBE_SFF_SFF_8472_OSCB 0x6E
25#define IXGBE_SFF_SFF_8472_ESCB 0x76
26#define IXGBE_SFF_IDENTIFIER_QSFP_PLUS 0xD
27#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE0 0xA5
28#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE1 0xA6
29#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE2 0xA7
30#define IXGBE_SFF_QSFP_CONNECTOR 0x82
31#define IXGBE_SFF_QSFP_10GBE_COMP 0x83
32#define IXGBE_SFF_QSFP_1GBE_COMP 0x86
33#define IXGBE_SFF_QSFP_CABLE_LENGTH 0x92
34#define IXGBE_SFF_QSFP_DEVICE_TECH 0x93
35
36/* Bitmasks */
37#define IXGBE_SFF_DA_PASSIVE_CABLE 0x4
38#define IXGBE_SFF_DA_ACTIVE_CABLE 0x8
39#define IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING 0x4
40#define IXGBE_SFF_1GBASESX_CAPABLE 0x1
41#define IXGBE_SFF_1GBASELX_CAPABLE 0x2
42#define IXGBE_SFF_1GBASET_CAPABLE 0x8
43#define IXGBE_SFF_BASEBX10_CAPABLE 0x64
44#define IXGBE_SFF_10GBASESR_CAPABLE 0x10
45#define IXGBE_SFF_10GBASELR_CAPABLE 0x20
46#define IXGBE_SFF_SOFT_RS_SELECT_MASK 0x8
47#define IXGBE_SFF_SOFT_RS_SELECT_10G 0x8
48#define IXGBE_SFF_SOFT_RS_SELECT_1G 0x0
49#define IXGBE_SFF_ADDRESSING_MODE 0x4
50#define IXGBE_SFF_DDM_IMPLEMENTED 0x40
51#define IXGBE_SFF_QSFP_DA_ACTIVE_CABLE 0x1
52#define IXGBE_SFF_QSFP_DA_PASSIVE_CABLE 0x8
53#define IXGBE_SFF_QSFP_CONNECTOR_NOT_SEPARABLE 0x23
54#define IXGBE_SFF_QSFP_TRANSMITER_850NM_VCSEL 0x0
55#define IXGBE_I2C_EEPROM_READ_MASK 0x100
56#define IXGBE_I2C_EEPROM_STATUS_MASK 0x3
57#define IXGBE_I2C_EEPROM_STATUS_NO_OPERATION 0x0
58#define IXGBE_I2C_EEPROM_STATUS_PASS 0x1
59#define IXGBE_I2C_EEPROM_STATUS_FAIL 0x2
60#define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS 0x3
61#define IXGBE_CS4227 0xBE /* CS4227 address */
62#define IXGBE_CS4227_GLOBAL_ID_LSB 0
63#define IXGBE_CS4227_GLOBAL_ID_MSB 1
64#define IXGBE_CS4227_SCRATCH 2
65#define IXGBE_CS4227_EFUSE_PDF_SKU 0x19F
66#define IXGBE_CS4223_SKU_ID 0x0010 /* Quad port */
67#define IXGBE_CS4227_SKU_ID 0x0014 /* Dual port */
68#define IXGBE_CS4227_RESET_PENDING 0x1357
69#define IXGBE_CS4227_RESET_COMPLETE 0x5AA5
70#define IXGBE_CS4227_RETRIES 15
71#define IXGBE_CS4227_EFUSE_STATUS 0x0181
72#define IXGBE_CS4227_LINE_SPARE22_MSB 0x12AD /* Reg to set speed */
73#define IXGBE_CS4227_LINE_SPARE24_LSB 0x12B0 /* Reg to set EDC */
74#define IXGBE_CS4227_HOST_SPARE22_MSB 0x1AAD /* Reg to set speed */
75#define IXGBE_CS4227_HOST_SPARE24_LSB 0x1AB0 /* Reg to program EDC */
76#define IXGBE_CS4227_EEPROM_STATUS 0x5001
77#define IXGBE_CS4227_EEPROM_LOAD_OK 0x0001
78#define IXGBE_CS4227_SPEED_1G 0x8000
79#define IXGBE_CS4227_SPEED_10G 0
80#define IXGBE_CS4227_EDC_MODE_CX1 0x0002
81#define IXGBE_CS4227_EDC_MODE_SR 0x0004
82#define IXGBE_CS4227_EDC_MODE_DIAG 0x0008
83#define IXGBE_CS4227_RESET_HOLD 500 /* microseconds */
84#define IXGBE_CS4227_RESET_DELAY 500 /* milliseconds */
85#define IXGBE_CS4227_CHECK_DELAY 30 /* milliseconds */
86#define IXGBE_PE 0xE0 /* Port expander addr */
87#define IXGBE_PE_OUTPUT 1 /* Output reg offset */
88#define IXGBE_PE_CONFIG 3 /* Config reg offset */
89#define IXGBE_PE_BIT1 BIT(1)
90
91/* Flow control defines */
92#define IXGBE_TAF_SYM_PAUSE 0x400
93#define IXGBE_TAF_ASM_PAUSE 0x800
94
95/* Bit-shift macros */
96#define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT 24
97#define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT 16
98#define IXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT 8
99
100/* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */
101#define IXGBE_SFF_VENDOR_OUI_TYCO 0x00407600
102#define IXGBE_SFF_VENDOR_OUI_FTL 0x00906500
103#define IXGBE_SFF_VENDOR_OUI_AVAGO 0x00176A00
104#define IXGBE_SFF_VENDOR_OUI_INTEL 0x001B2100
105
106/* I2C SDA and SCL timing parameters for standard mode */
107#define IXGBE_I2C_T_HD_STA 4
108#define IXGBE_I2C_T_LOW 5
109#define IXGBE_I2C_T_HIGH 4
110#define IXGBE_I2C_T_SU_STA 5
111#define IXGBE_I2C_T_HD_DATA 5
112#define IXGBE_I2C_T_SU_DATA 1
113#define IXGBE_I2C_T_RISE 1
114#define IXGBE_I2C_T_FALL 1
115#define IXGBE_I2C_T_SU_STO 4
116#define IXGBE_I2C_T_BUF 5
117
118#define IXGBE_SFP_DETECT_RETRIES 2
119
120#define IXGBE_TN_LASI_STATUS_REG 0x9005
121#define IXGBE_TN_LASI_STATUS_TEMP_ALARM 0x0008
122
123/* SFP+ SFF-8472 Compliance code */
124#define IXGBE_SFF_SFF_8472_UNSUP 0x00
125
126int ixgbe_mii_bus_init(struct ixgbe_hw *hw);
127
128int ixgbe_identify_phy_generic(struct ixgbe_hw *hw);
129int ixgbe_reset_phy_generic(struct ixgbe_hw *hw);
130int ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
131 u32 device_type, u16 *phy_data);
132int ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
133 u32 device_type, u16 phy_data);
134int ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
135 u32 device_type, u16 *phy_data);
136int ixgbe_write_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
137 u32 device_type, u16 phy_data);
138int ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw);
139int ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
140 ixgbe_link_speed speed,
141 bool autoneg_wait_to_complete);
142int ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
143 ixgbe_link_speed *speed,
144 bool *autoneg);
145bool ixgbe_check_reset_blocked(struct ixgbe_hw *hw);
146
147/* PHY specific */
148int ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw,
149 ixgbe_link_speed *speed,
150 bool *link_up);
151int ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw);
152
153int ixgbe_reset_phy_nl(struct ixgbe_hw *hw);
154int ixgbe_set_copper_phy_power(struct ixgbe_hw *hw, bool on);
155int ixgbe_identify_module_generic(struct ixgbe_hw *hw);
156int ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);
157int ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
158 u16 *list_offset,
159 u16 *data_offset);
160bool ixgbe_tn_check_overtemp(struct ixgbe_hw *hw);
161int ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
162 u8 dev_addr, u8 *data);
163int ixgbe_read_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
164 u8 dev_addr, u8 *data);
165int ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
166 u8 dev_addr, u8 data);
167int ixgbe_write_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
168 u8 dev_addr, u8 data);
169int ixgbe_read_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
170 u8 *eeprom_data);
171int ixgbe_read_i2c_sff8472_generic(struct ixgbe_hw *hw, u8 byte_offset,
172 u8 *sff8472_data);
173int ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
174 u8 eeprom_data);
175int ixgbe_read_i2c_combined_generic_int(struct ixgbe_hw *, u8 addr, u16 reg,
176 u16 *val, bool lock);
177int ixgbe_write_i2c_combined_generic_int(struct ixgbe_hw *, u8 addr, u16 reg,
178 u16 val, bool lock);
179#endif /* _IXGBE_PHY_H_ */