1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Marvell 88E6xxx SERDES manipulation, via SMI bus 4 * 5 * Copyright (c) 2008 Marvell Semiconductor 6 * 7 * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch> 8 */ 9 10 #ifndef _MV88E6XXX_SERDES_H 11 #define _MV88E6XXX_SERDES_H 12 13 #include "chip.h" 14 15 #define MV88E6352_ADDR_SERDES 0x0f 16 #define MV88E6352_SERDES_PAGE_FIBER 0x01 17 #define MV88E6352_SERDES_IRQ 0x0b 18 #define MV88E6352_SERDES_INT_ENABLE 0x12 19 #define MV88E6352_SERDES_INT_SPEED_CHANGE BIT(14) 20 #define MV88E6352_SERDES_INT_DUPLEX_CHANGE BIT(13) 21 #define MV88E6352_SERDES_INT_PAGE_RX BIT(12) 22 #define MV88E6352_SERDES_INT_AN_COMPLETE BIT(11) 23 #define MV88E6352_SERDES_INT_LINK_CHANGE BIT(10) 24 #define MV88E6352_SERDES_INT_SYMBOL_ERROR BIT(9) 25 #define MV88E6352_SERDES_INT_FALSE_CARRIER BIT(8) 26 #define MV88E6352_SERDES_INT_FIFO_OVER_UNDER BIT(7) 27 #define MV88E6352_SERDES_INT_FIBRE_ENERGY BIT(4) 28 #define MV88E6352_SERDES_INT_STATUS 0x13 29 30 31 #define MV88E6341_PORT5_LANE 0x15 32 33 #define MV88E6390_PORT9_LANE0 0x09 34 #define MV88E6390_PORT9_LANE1 0x12 35 #define MV88E6390_PORT9_LANE2 0x13 36 #define MV88E6390_PORT9_LANE3 0x14 37 #define MV88E6390_PORT10_LANE0 0x0a 38 #define MV88E6390_PORT10_LANE1 0x15 39 #define MV88E6390_PORT10_LANE2 0x16 40 #define MV88E6390_PORT10_LANE3 0x17 41 42 /* 10GBASE-R and 10GBASE-X4/X2 */ 43 #define MV88E6390_10G_CTRL1 (0x1000 + MDIO_CTRL1) 44 #define MV88E6390_10G_STAT1 (0x1000 + MDIO_STAT1) 45 46 /* 1000BASE-X and SGMII */ 47 #define MV88E6390_SGMII_BMCR (0x2000 + MII_BMCR) 48 #define MV88E6390_SGMII_BMSR (0x2000 + MII_BMSR) 49 #define MV88E6390_SGMII_ADVERTISE (0x2000 + MII_ADVERTISE) 50 #define MV88E6390_SGMII_LPA (0x2000 + MII_LPA) 51 #define MV88E6390_SGMII_INT_ENABLE 0xa001 52 #define MV88E6390_SGMII_INT_SPEED_CHANGE BIT(14) 53 #define MV88E6390_SGMII_INT_DUPLEX_CHANGE BIT(13) 54 #define MV88E6390_SGMII_INT_PAGE_RX BIT(12) 55 #define MV88E6390_SGMII_INT_AN_COMPLETE BIT(11) 56 #define MV88E6390_SGMII_INT_LINK_DOWN BIT(10) 57 #define MV88E6390_SGMII_INT_LINK_UP BIT(9) 58 #define MV88E6390_SGMII_INT_SYMBOL_ERROR BIT(8) 59 #define MV88E6390_SGMII_INT_FALSE_CARRIER BIT(7) 60 #define MV88E6390_SGMII_INT_STATUS 0xa002 61 #define MV88E6390_SGMII_PHY_STATUS 0xa003 62 #define MV88E6390_SGMII_PHY_STATUS_SPEED_MASK GENMASK(15, 14) 63 #define MV88E6390_SGMII_PHY_STATUS_SPEED_1000 0x8000 64 #define MV88E6390_SGMII_PHY_STATUS_SPEED_100 0x4000 65 #define MV88E6390_SGMII_PHY_STATUS_SPEED_10 0x0000 66 #define MV88E6390_SGMII_PHY_STATUS_DUPLEX_FULL BIT(13) 67 #define MV88E6390_SGMII_PHY_STATUS_SPD_DPL_VALID BIT(11) 68 #define MV88E6390_SGMII_PHY_STATUS_LINK BIT(10) 69 #define MV88E6390_SGMII_PHY_STATUS_TX_PAUSE BIT(3) 70 #define MV88E6390_SGMII_PHY_STATUS_RX_PAUSE BIT(2) 71 72 /* Packet generator pad packet checker */ 73 #define MV88E6390_PG_CONTROL 0xf010 74 #define MV88E6390_PG_CONTROL_ENABLE_PC BIT(0) 75 76 u8 mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 77 u8 mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 78 u8 mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 79 u8 mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 80 int mv88e6352_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, 81 u8 lane, unsigned int mode, 82 phy_interface_t interface, 83 const unsigned long *advertise); 84 int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port, 85 u8 lane, unsigned int mode, 86 phy_interface_t interface, 87 const unsigned long *advertise); 88 int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, 89 u8 lane, struct phylink_link_state *state); 90 int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port, 91 u8 lane, struct phylink_link_state *state); 92 int mv88e6352_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, 93 u8 lane); 94 int mv88e6390_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port, 95 u8 lane); 96 int mv88e6352_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, 97 u8 lane, int speed, int duplex); 98 int mv88e6390_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port, 99 u8 lane, int speed, int duplex); 100 unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip, 101 int port); 102 unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip, 103 int port); 104 int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, 105 bool on); 106 int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane, 107 bool on); 108 int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, 109 bool enable); 110 int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane, 111 bool enable); 112 irqreturn_t mv88e6352_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, 113 u8 lane); 114 irqreturn_t mv88e6390_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, 115 u8 lane); 116 int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port); 117 int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip, 118 int port, uint8_t *data); 119 int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, 120 uint64_t *data); 121 int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port); 122 int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip, 123 int port, uint8_t *data); 124 int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, 125 uint64_t *data); 126 127 int mv88e6352_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port); 128 void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p); 129 int mv88e6390_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port); 130 void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p); 131 132 /* Return the (first) SERDES lane address a port is using, 0 otherwise. */ 133 static inline u8 mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip *chip, 134 int port) 135 { 136 if (!chip->info->ops->serdes_get_lane) 137 return 0; 138 139 return chip->info->ops->serdes_get_lane(chip, port); 140 } 141 142 static inline int mv88e6xxx_serdes_power_up(struct mv88e6xxx_chip *chip, 143 int port, u8 lane) 144 { 145 if (!chip->info->ops->serdes_power) 146 return -EOPNOTSUPP; 147 148 return chip->info->ops->serdes_power(chip, port, lane, true); 149 } 150 151 static inline int mv88e6xxx_serdes_power_down(struct mv88e6xxx_chip *chip, 152 int port, u8 lane) 153 { 154 if (!chip->info->ops->serdes_power) 155 return -EOPNOTSUPP; 156 157 return chip->info->ops->serdes_power(chip, port, lane, false); 158 } 159 160 static inline unsigned int 161 mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port) 162 { 163 if (!chip->info->ops->serdes_irq_mapping) 164 return 0; 165 166 return chip->info->ops->serdes_irq_mapping(chip, port); 167 } 168 169 static inline int mv88e6xxx_serdes_irq_enable(struct mv88e6xxx_chip *chip, 170 int port, u8 lane) 171 { 172 if (!chip->info->ops->serdes_irq_enable) 173 return -EOPNOTSUPP; 174 175 return chip->info->ops->serdes_irq_enable(chip, port, lane, true); 176 } 177 178 static inline int mv88e6xxx_serdes_irq_disable(struct mv88e6xxx_chip *chip, 179 int port, u8 lane) 180 { 181 if (!chip->info->ops->serdes_irq_enable) 182 return -EOPNOTSUPP; 183 184 return chip->info->ops->serdes_irq_enable(chip, port, lane, false); 185 } 186 187 static inline irqreturn_t 188 mv88e6xxx_serdes_irq_status(struct mv88e6xxx_chip *chip, int port, u8 lane) 189 { 190 if (!chip->info->ops->serdes_irq_status) 191 return IRQ_NONE; 192 193 return chip->info->ops->serdes_irq_status(chip, port, lane); 194 } 195 196 #endif 197