linux/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
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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_CABLE_SPEC_COMP       0x3C
  21#define IXGBE_SFF_SFF_8472_SWAP         0x5C
  22#define IXGBE_SFF_SFF_8472_COMP         0x5E
  23#define IXGBE_SFF_SFF_8472_OSCB         0x6E
  24#define IXGBE_SFF_SFF_8472_ESCB         0x76
  25#define IXGBE_SFF_IDENTIFIER_QSFP_PLUS  0xD
  26#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE0 0xA5
  27#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE1 0xA6
  28#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE2 0xA7
  29#define IXGBE_SFF_QSFP_CONNECTOR        0x82
  30#define IXGBE_SFF_QSFP_10GBE_COMP       0x83
  31#define IXGBE_SFF_QSFP_1GBE_COMP        0x86
  32#define IXGBE_SFF_QSFP_CABLE_LENGTH     0x92
  33#define IXGBE_SFF_QSFP_DEVICE_TECH      0x93
  34
  35/* Bitmasks */
  36#define IXGBE_SFF_DA_PASSIVE_CABLE              0x4
  37#define IXGBE_SFF_DA_ACTIVE_CABLE               0x8
  38#define IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING       0x4
  39#define IXGBE_SFF_1GBASESX_CAPABLE              0x1
  40#define IXGBE_SFF_1GBASELX_CAPABLE              0x2
  41#define IXGBE_SFF_1GBASET_CAPABLE               0x8
  42#define IXGBE_SFF_10GBASESR_CAPABLE             0x10
  43#define IXGBE_SFF_10GBASELR_CAPABLE             0x20
  44#define IXGBE_SFF_SOFT_RS_SELECT_MASK           0x8
  45#define IXGBE_SFF_SOFT_RS_SELECT_10G            0x8
  46#define IXGBE_SFF_SOFT_RS_SELECT_1G             0x0
  47#define IXGBE_SFF_ADDRESSING_MODE               0x4
  48#define IXGBE_SFF_DDM_IMPLEMENTED               0x40
  49#define IXGBE_SFF_QSFP_DA_ACTIVE_CABLE          0x1
  50#define IXGBE_SFF_QSFP_DA_PASSIVE_CABLE         0x8
  51#define IXGBE_SFF_QSFP_CONNECTOR_NOT_SEPARABLE  0x23
  52#define IXGBE_SFF_QSFP_TRANSMITER_850NM_VCSEL   0x0
  53#define IXGBE_I2C_EEPROM_READ_MASK              0x100
  54#define IXGBE_I2C_EEPROM_STATUS_MASK            0x3
  55#define IXGBE_I2C_EEPROM_STATUS_NO_OPERATION    0x0
  56#define IXGBE_I2C_EEPROM_STATUS_PASS            0x1
  57#define IXGBE_I2C_EEPROM_STATUS_FAIL            0x2
  58#define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS     0x3
  59#define IXGBE_CS4227                            0xBE    /* CS4227 address */
  60#define IXGBE_CS4227_GLOBAL_ID_LSB              0
  61#define IXGBE_CS4227_GLOBAL_ID_MSB              1
  62#define IXGBE_CS4227_SCRATCH                    2
  63#define IXGBE_CS4227_EFUSE_PDF_SKU              0x19F
  64#define IXGBE_CS4223_SKU_ID                     0x0010  /* Quad port */
  65#define IXGBE_CS4227_SKU_ID                     0x0014  /* Dual port */
  66#define IXGBE_CS4227_RESET_PENDING              0x1357
  67#define IXGBE_CS4227_RESET_COMPLETE             0x5AA5
  68#define IXGBE_CS4227_RETRIES                    15
  69#define IXGBE_CS4227_EFUSE_STATUS               0x0181
  70#define IXGBE_CS4227_LINE_SPARE22_MSB           0x12AD  /* Reg to set speed */
  71#define IXGBE_CS4227_LINE_SPARE24_LSB           0x12B0  /* Reg to set EDC */
  72#define IXGBE_CS4227_HOST_SPARE22_MSB           0x1AAD  /* Reg to set speed */
  73#define IXGBE_CS4227_HOST_SPARE24_LSB           0x1AB0  /* Reg to program EDC */
  74#define IXGBE_CS4227_EEPROM_STATUS              0x5001
  75#define IXGBE_CS4227_EEPROM_LOAD_OK             0x0001
  76#define IXGBE_CS4227_SPEED_1G                   0x8000
  77#define IXGBE_CS4227_SPEED_10G                  0
  78#define IXGBE_CS4227_EDC_MODE_CX1               0x0002
  79#define IXGBE_CS4227_EDC_MODE_SR                0x0004
  80#define IXGBE_CS4227_EDC_MODE_DIAG              0x0008
  81#define IXGBE_CS4227_RESET_HOLD                 500     /* microseconds */
  82#define IXGBE_CS4227_RESET_DELAY                500     /* milliseconds */
  83#define IXGBE_CS4227_CHECK_DELAY                30      /* milliseconds */
  84#define IXGBE_PE                                0xE0    /* Port expander addr */
  85#define IXGBE_PE_OUTPUT                         1       /* Output reg offset */
  86#define IXGBE_PE_CONFIG                         3       /* Config reg offset */
  87#define IXGBE_PE_BIT1                           BIT(1)
  88
  89/* Flow control defines */
  90#define IXGBE_TAF_SYM_PAUSE                  0x400
  91#define IXGBE_TAF_ASM_PAUSE                  0x800
  92
  93/* Bit-shift macros */
  94#define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT    24
  95#define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT    16
  96#define IXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT    8
  97
  98/* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */
  99#define IXGBE_SFF_VENDOR_OUI_TYCO     0x00407600
 100#define IXGBE_SFF_VENDOR_OUI_FTL      0x00906500
 101#define IXGBE_SFF_VENDOR_OUI_AVAGO    0x00176A00
 102#define IXGBE_SFF_VENDOR_OUI_INTEL    0x001B2100
 103
 104/* I2C SDA and SCL timing parameters for standard mode */
 105#define IXGBE_I2C_T_HD_STA  4
 106#define IXGBE_I2C_T_LOW     5
 107#define IXGBE_I2C_T_HIGH    4
 108#define IXGBE_I2C_T_SU_STA  5
 109#define IXGBE_I2C_T_HD_DATA 5
 110#define IXGBE_I2C_T_SU_DATA 1
 111#define IXGBE_I2C_T_RISE    1
 112#define IXGBE_I2C_T_FALL    1
 113#define IXGBE_I2C_T_SU_STO  4
 114#define IXGBE_I2C_T_BUF     5
 115
 116#define IXGBE_SFP_DETECT_RETRIES        2
 117
 118#define IXGBE_TN_LASI_STATUS_REG        0x9005
 119#define IXGBE_TN_LASI_STATUS_TEMP_ALARM 0x0008
 120
 121/* SFP+ SFF-8472 Compliance code */
 122#define IXGBE_SFF_SFF_8472_UNSUP      0x00
 123
 124s32 ixgbe_mii_bus_init(struct ixgbe_hw *hw);
 125
 126s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw);
 127s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw);
 128s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
 129                               u32 device_type, u16 *phy_data);
 130s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
 131                                u32 device_type, u16 phy_data);
 132s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
 133                           u32 device_type, u16 *phy_data);
 134s32 ixgbe_write_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
 135                            u32 device_type, u16 phy_data);
 136s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw);
 137s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
 138                                       ixgbe_link_speed speed,
 139                                       bool autoneg_wait_to_complete);
 140s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
 141                                               ixgbe_link_speed *speed,
 142                                               bool *autoneg);
 143bool ixgbe_check_reset_blocked(struct ixgbe_hw *hw);
 144
 145/* PHY specific */
 146s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw,
 147                             ixgbe_link_speed *speed,
 148                             bool *link_up);
 149s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw);
 150
 151s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw);
 152s32 ixgbe_set_copper_phy_power(struct ixgbe_hw *hw, bool on);
 153s32 ixgbe_identify_module_generic(struct ixgbe_hw *hw);
 154s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);
 155s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
 156                                        u16 *list_offset,
 157                                        u16 *data_offset);
 158s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw);
 159s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 160                                u8 dev_addr, u8 *data);
 161s32 ixgbe_read_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
 162                                         u8 dev_addr, u8 *data);
 163s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
 164                                 u8 dev_addr, u8 data);
 165s32 ixgbe_write_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
 166                                          u8 dev_addr, u8 data);
 167s32 ixgbe_read_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
 168                                  u8 *eeprom_data);
 169s32 ixgbe_read_i2c_sff8472_generic(struct ixgbe_hw *hw, u8 byte_offset,
 170                                   u8 *sff8472_data);
 171s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
 172                                   u8 eeprom_data);
 173s32 ixgbe_read_i2c_combined_generic_int(struct ixgbe_hw *, u8 addr, u16 reg,
 174                                        u16 *val, bool lock);
 175s32 ixgbe_write_i2c_combined_generic_int(struct ixgbe_hw *, u8 addr, u16 reg,
 176                                         u16 val, bool lock);
 177#endif /* _IXGBE_PHY_H_ */
 178