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 15struct phylink_link_state; 16 17#define MV88E6352_ADDR_SERDES 0x0f 18#define MV88E6352_SERDES_PAGE_FIBER 0x01 19#define MV88E6352_SERDES_IRQ 0x0b 20#define MV88E6352_SERDES_INT_ENABLE 0x12 21#define MV88E6352_SERDES_INT_SPEED_CHANGE BIT(14) 22#define MV88E6352_SERDES_INT_DUPLEX_CHANGE BIT(13) 23#define MV88E6352_SERDES_INT_PAGE_RX BIT(12) 24#define MV88E6352_SERDES_INT_AN_COMPLETE BIT(11) 25#define MV88E6352_SERDES_INT_LINK_CHANGE BIT(10) 26#define MV88E6352_SERDES_INT_SYMBOL_ERROR BIT(9) 27#define MV88E6352_SERDES_INT_FALSE_CARRIER BIT(8) 28#define MV88E6352_SERDES_INT_FIFO_OVER_UNDER BIT(7) 29#define MV88E6352_SERDES_INT_FIBRE_ENERGY BIT(4) 30#define MV88E6352_SERDES_INT_STATUS 0x13 31 32#define MV88E6352_SERDES_SPEC_CTRL2 0x1a 33#define MV88E6352_SERDES_OUT_AMP_MASK 0x0007 34 35#define MV88E6341_PORT5_LANE 0x15 36 37#define MV88E6390_PORT9_LANE0 0x09 38#define MV88E6390_PORT9_LANE1 0x12 39#define MV88E6390_PORT9_LANE2 0x13 40#define MV88E6390_PORT9_LANE3 0x14 41#define MV88E6390_PORT10_LANE0 0x0a 42#define MV88E6390_PORT10_LANE1 0x15 43#define MV88E6390_PORT10_LANE2 0x16 44#define MV88E6390_PORT10_LANE3 0x17 45 46/* 10GBASE-R and 10GBASE-X4/X2 */ 47#define MV88E6390_10G_CTRL1 (0x1000 + MDIO_CTRL1) 48#define MV88E6390_10G_STAT1 (0x1000 + MDIO_STAT1) 49#define MV88E6390_10G_INT_ENABLE 0x9001 50#define MV88E6390_10G_INT_LINK_DOWN BIT(3) 51#define MV88E6390_10G_INT_LINK_UP BIT(2) 52#define MV88E6390_10G_INT_STATUS 0x9003 53#define MV88E6393X_10G_INT_ENABLE 0x9000 54#define MV88E6393X_10G_INT_LINK_CHANGE BIT(2) 55#define MV88E6393X_10G_INT_STATUS 0x9001 56 57/* USXGMII */ 58#define MV88E6390_USXGMII_LP_STATUS 0xf0a2 59#define MV88E6390_USXGMII_PHY_STATUS 0xf0a6 60 61/* 1000BASE-X and SGMII */ 62#define MV88E6390_SGMII_BMCR (0x2000 + MII_BMCR) 63#define MV88E6390_SGMII_BMSR (0x2000 + MII_BMSR) 64#define MV88E6390_SGMII_ADVERTISE (0x2000 + MII_ADVERTISE) 65#define MV88E6390_SGMII_LPA (0x2000 + MII_LPA) 66#define MV88E6390_SGMII_INT_ENABLE 0xa001 67#define MV88E6390_SGMII_INT_SPEED_CHANGE BIT(14) 68#define MV88E6390_SGMII_INT_DUPLEX_CHANGE BIT(13) 69#define MV88E6390_SGMII_INT_PAGE_RX BIT(12) 70#define MV88E6390_SGMII_INT_AN_COMPLETE BIT(11) 71#define MV88E6390_SGMII_INT_LINK_DOWN BIT(10) 72#define MV88E6390_SGMII_INT_LINK_UP BIT(9) 73#define MV88E6390_SGMII_INT_SYMBOL_ERROR BIT(8) 74#define MV88E6390_SGMII_INT_FALSE_CARRIER BIT(7) 75#define MV88E6390_SGMII_INT_STATUS 0xa002 76#define MV88E6390_SGMII_PHY_STATUS 0xa003 77#define MV88E6390_SGMII_PHY_STATUS_SPEED_MASK GENMASK(15, 14) 78#define MV88E6390_SGMII_PHY_STATUS_SPEED_1000 0x8000 79#define MV88E6390_SGMII_PHY_STATUS_SPEED_100 0x4000 80#define MV88E6390_SGMII_PHY_STATUS_SPEED_10 0x0000 81#define MV88E6390_SGMII_PHY_STATUS_DUPLEX_FULL BIT(13) 82#define MV88E6390_SGMII_PHY_STATUS_SPD_DPL_VALID BIT(11) 83#define MV88E6390_SGMII_PHY_STATUS_LINK BIT(10) 84#define MV88E6390_SGMII_PHY_STATUS_TX_PAUSE BIT(3) 85#define MV88E6390_SGMII_PHY_STATUS_RX_PAUSE BIT(2) 86 87/* Packet generator pad packet checker */ 88#define MV88E6390_PG_CONTROL 0xf010 89#define MV88E6390_PG_CONTROL_ENABLE_PC BIT(0) 90 91#define MV88E6393X_PORT0_LANE 0x00 92#define MV88E6393X_PORT9_LANE 0x09 93#define MV88E6393X_PORT10_LANE 0x0a 94 95/* Port Operational Configuration */ 96#define MV88E6393X_SERDES_POC 0xf002 97#define MV88E6393X_SERDES_POC_PCS_1000BASEX 0x0000 98#define MV88E6393X_SERDES_POC_PCS_2500BASEX 0x0001 99#define MV88E6393X_SERDES_POC_PCS_SGMII_PHY 0x0002 100#define MV88E6393X_SERDES_POC_PCS_SGMII_MAC 0x0003 101#define MV88E6393X_SERDES_POC_PCS_5GBASER 0x0004 102#define MV88E6393X_SERDES_POC_PCS_10GBASER 0x0005 103#define MV88E6393X_SERDES_POC_PCS_USXGMII_PHY 0x0006 104#define MV88E6393X_SERDES_POC_PCS_USXGMII_MAC 0x0007 105#define MV88E6393X_SERDES_POC_PCS_MASK 0x0007 106#define MV88E6393X_SERDES_POC_RESET BIT(15) 107#define MV88E6393X_SERDES_POC_PDOWN BIT(5) 108#define MV88E6393X_SERDES_POC_AN BIT(3) 109#define MV88E6393X_SERDES_CTRL1 0xf003 110#define MV88E6393X_SERDES_CTRL1_TX_PDOWN BIT(9) 111#define MV88E6393X_SERDES_CTRL1_RX_PDOWN BIT(8) 112 113#define MV88E6393X_ERRATA_4_8_REG 0xF074 114#define MV88E6393X_ERRATA_4_8_BIT BIT(14) 115 116int mv88e6xxx_pcs_decode_state(struct device *dev, u16 bmsr, u16 lpa, 117 u16 status, struct phylink_link_state *state); 118 119int mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 120int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 121int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 122int mv88e6393x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port); 123unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip, 124 int port); 125unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip, 126 int port); 127int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port); 128int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip, 129 int port, uint8_t *data); 130size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, 131 uint64_t *data); 132int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port); 133int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip, 134 int port, uint8_t *data); 135size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port, 136 uint64_t *data); 137 138int mv88e6352_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port); 139void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p); 140int mv88e6390_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port); 141void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p); 142 143int mv88e6352_serdes_set_tx_amplitude(struct mv88e6xxx_chip *chip, int port, 144 int val); 145 146/* Return the (first) SERDES lane address a port is using, -errno otherwise. */ 147static inline int mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip *chip, 148 int port) 149{ 150 if (!chip->info->ops->serdes_get_lane) 151 return -EOPNOTSUPP; 152 153 return chip->info->ops->serdes_get_lane(chip, port); 154} 155 156static inline unsigned int 157mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port) 158{ 159 if (!chip->info->ops->serdes_irq_mapping) 160 return 0; 161 162 return chip->info->ops->serdes_irq_mapping(chip, port); 163} 164 165extern const struct mv88e6xxx_pcs_ops mv88e6185_pcs_ops; 166extern const struct mv88e6xxx_pcs_ops mv88e6352_pcs_ops; 167extern const struct mv88e6xxx_pcs_ops mv88e6390_pcs_ops; 168extern const struct mv88e6xxx_pcs_ops mv88e6393x_pcs_ops; 169 170#endif 171