diff options
Diffstat (limited to 'drivers/net/phy/marvell10g.c')
| -rw-r--r-- | drivers/net/phy/marvell10g.c | 818 |
1 files changed, 818 insertions, 0 deletions
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c new file mode 100644 index 000000000..42b48d0d0 --- /dev/null +++ b/drivers/net/phy/marvell10g.c @@ -0,0 +1,818 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Marvell 10G 88x3310 PHY driver + * + * Based upon the ID registers, this PHY appears to be a mixture of IPs + * from two different companies. + * + * There appears to be several different data paths through the PHY which + * are automatically managed by the PHY. The following has been determined + * via observation and experimentation for a setup using single-lane Serdes: + * + * SGMII PHYXS -- BASE-T PCS -- 10G PMA -- AN -- Copper (for <= 1G) + * 10GBASE-KR PHYXS -- BASE-T PCS -- 10G PMA -- AN -- Copper (for 10G) + * 10GBASE-KR PHYXS -- BASE-R PCS -- Fiber + * + * With XAUI, observation shows: + * + * XAUI PHYXS -- <appropriate PCS as above> + * + * and no switching of the host interface mode occurs. + * + * If both the fiber and copper ports are connected, the first to gain + * link takes priority and the other port is completely locked out. + */ +#include <linux/ctype.h> +#include <linux/delay.h> +#include <linux/hwmon.h> +#include <linux/marvell_phy.h> +#include <linux/phy.h> +#include <linux/sfp.h> + +#define MV_PHY_ALASKA_NBT_QUIRK_MASK 0xfffffffe +#define MV_PHY_ALASKA_NBT_QUIRK_REV (MARVELL_PHY_ID_88X3310 | 0xa) + +enum { + MV_PMA_FW_VER0 = 0xc011, + MV_PMA_FW_VER1 = 0xc012, + MV_PMA_BOOT = 0xc050, + MV_PMA_BOOT_FATAL = BIT(0), + + MV_PCS_BASE_T = 0x0000, + MV_PCS_BASE_R = 0x1000, + MV_PCS_1000BASEX = 0x2000, + + MV_PCS_CSCR1 = 0x8000, + MV_PCS_CSCR1_ED_MASK = 0x0300, + MV_PCS_CSCR1_ED_OFF = 0x0000, + MV_PCS_CSCR1_ED_RX = 0x0200, + MV_PCS_CSCR1_ED_NLP = 0x0300, + MV_PCS_CSCR1_MDIX_MASK = 0x0060, + MV_PCS_CSCR1_MDIX_MDI = 0x0000, + MV_PCS_CSCR1_MDIX_MDIX = 0x0020, + MV_PCS_CSCR1_MDIX_AUTO = 0x0060, + + MV_PCS_CSSR1 = 0x8008, + MV_PCS_CSSR1_SPD1_MASK = 0xc000, + MV_PCS_CSSR1_SPD1_SPD2 = 0xc000, + MV_PCS_CSSR1_SPD1_1000 = 0x8000, + MV_PCS_CSSR1_SPD1_100 = 0x4000, + MV_PCS_CSSR1_SPD1_10 = 0x0000, + MV_PCS_CSSR1_DUPLEX_FULL= BIT(13), + MV_PCS_CSSR1_RESOLVED = BIT(11), + MV_PCS_CSSR1_MDIX = BIT(6), + MV_PCS_CSSR1_SPD2_MASK = 0x000c, + MV_PCS_CSSR1_SPD2_5000 = 0x0008, + MV_PCS_CSSR1_SPD2_2500 = 0x0004, + MV_PCS_CSSR1_SPD2_10000 = 0x0000, + + /* Temperature read register (88E2110 only) */ + MV_PCS_TEMP = 0x8042, + + /* These registers appear at 0x800X and 0xa00X - the 0xa00X control + * registers appear to set themselves to the 0x800X when AN is + * restarted, but status registers appear readable from either. + */ + MV_AN_CTRL1000 = 0x8000, /* 1000base-T control register */ + MV_AN_STAT1000 = 0x8001, /* 1000base-T status register */ + + /* Vendor2 MMD registers */ + MV_V2_PORT_CTRL = 0xf001, + MV_V2_PORT_CTRL_SWRST = BIT(15), + MV_V2_PORT_CTRL_PWRDOWN = BIT(11), + MV_V2_PORT_MAC_TYPE_MASK = 0x7, + MV_V2_PORT_MAC_TYPE_RATE_MATCH = 0x6, + /* Temperature control/read registers (88X3310 only) */ + MV_V2_TEMP_CTRL = 0xf08a, + MV_V2_TEMP_CTRL_MASK = 0xc000, + MV_V2_TEMP_CTRL_SAMPLE = 0x0000, + MV_V2_TEMP_CTRL_DISABLE = 0xc000, + MV_V2_TEMP = 0xf08c, + MV_V2_TEMP_UNKNOWN = 0x9600, /* unknown function */ +}; + +struct mv3310_priv { + u32 firmware_ver; + bool rate_match; + + struct device *hwmon_dev; + char *hwmon_name; +}; + +#ifdef CONFIG_HWMON +static umode_t mv3310_hwmon_is_visible(const void *data, + enum hwmon_sensor_types type, + u32 attr, int channel) +{ + if (type == hwmon_chip && attr == hwmon_chip_update_interval) + return 0444; + if (type == hwmon_temp && attr == hwmon_temp_input) + return 0444; + return 0; +} + +static int mv3310_hwmon_read_temp_reg(struct phy_device *phydev) +{ + return phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP); +} + +static int mv2110_hwmon_read_temp_reg(struct phy_device *phydev) +{ + return phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_TEMP); +} + +static int mv10g_hwmon_read_temp_reg(struct phy_device *phydev) +{ + if (phydev->drv->phy_id == MARVELL_PHY_ID_88X3310) + return mv3310_hwmon_read_temp_reg(phydev); + else /* MARVELL_PHY_ID_88E2110 */ + return mv2110_hwmon_read_temp_reg(phydev); +} + +static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *value) +{ + struct phy_device *phydev = dev_get_drvdata(dev); + int temp; + + if (type == hwmon_chip && attr == hwmon_chip_update_interval) { + *value = MSEC_PER_SEC; + return 0; + } + + if (type == hwmon_temp && attr == hwmon_temp_input) { + temp = mv10g_hwmon_read_temp_reg(phydev); + if (temp < 0) + return temp; + + *value = ((temp & 0xff) - 75) * 1000; + + return 0; + } + + return -EOPNOTSUPP; +} + +static const struct hwmon_ops mv3310_hwmon_ops = { + .is_visible = mv3310_hwmon_is_visible, + .read = mv3310_hwmon_read, +}; + +static u32 mv3310_hwmon_chip_config[] = { + HWMON_C_REGISTER_TZ | HWMON_C_UPDATE_INTERVAL, + 0, +}; + +static const struct hwmon_channel_info mv3310_hwmon_chip = { + .type = hwmon_chip, + .config = mv3310_hwmon_chip_config, +}; + +static u32 mv3310_hwmon_temp_config[] = { + HWMON_T_INPUT, + 0, +}; + +static const struct hwmon_channel_info mv3310_hwmon_temp = { + .type = hwmon_temp, + .config = mv3310_hwmon_temp_config, +}; + +static const struct hwmon_channel_info *mv3310_hwmon_info[] = { + &mv3310_hwmon_chip, + &mv3310_hwmon_temp, + NULL, +}; + +static const struct hwmon_chip_info mv3310_hwmon_chip_info = { + .ops = &mv3310_hwmon_ops, + .info = mv3310_hwmon_info, +}; + +static int mv3310_hwmon_config(struct phy_device *phydev, bool enable) +{ + u16 val; + int ret; + + if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310) + return 0; + + ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP, + MV_V2_TEMP_UNKNOWN); + if (ret < 0) + return ret; + + val = enable ? MV_V2_TEMP_CTRL_SAMPLE : MV_V2_TEMP_CTRL_DISABLE; + + return phy_modify_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP_CTRL, + MV_V2_TEMP_CTRL_MASK, val); +} + +static int mv3310_hwmon_probe(struct phy_device *phydev) +{ + struct device *dev = &phydev->mdio.dev; + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + int i, j, ret; + + priv->hwmon_name = devm_kstrdup(dev, dev_name(dev), GFP_KERNEL); + if (!priv->hwmon_name) + return -ENODEV; + + for (i = j = 0; priv->hwmon_name[i]; i++) { + if (isalnum(priv->hwmon_name[i])) { + if (i != j) + priv->hwmon_name[j] = priv->hwmon_name[i]; + j++; + } + } + priv->hwmon_name[j] = '\0'; + + ret = mv3310_hwmon_config(phydev, true); + if (ret) + return ret; + + priv->hwmon_dev = devm_hwmon_device_register_with_info(dev, + priv->hwmon_name, phydev, + &mv3310_hwmon_chip_info, NULL); + + return PTR_ERR_OR_ZERO(priv->hwmon_dev); +} +#else +static inline int mv3310_hwmon_config(struct phy_device *phydev, bool enable) +{ + return 0; +} + +static int mv3310_hwmon_probe(struct phy_device *phydev) +{ + return 0; +} +#endif + +static int mv3310_power_down(struct phy_device *phydev) +{ + return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, + MV_V2_PORT_CTRL_PWRDOWN); +} + +static int mv3310_power_up(struct phy_device *phydev) +{ + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + int ret; + + ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, + MV_V2_PORT_CTRL_PWRDOWN); + + /* Sometimes, the power down bit doesn't clear immediately, and + * a read of this register causes the bit not to clear. Delay + * 100us to allow the PHY to come out of power down mode before + * the next access. + */ + udelay(100); + + if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310 || + priv->firmware_ver < 0x00030000) + return ret; + + return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, + MV_V2_PORT_CTRL_SWRST); +} + +static int mv3310_reset(struct phy_device *phydev, u32 unit) +{ + int val, err; + + err = phy_modify_mmd(phydev, MDIO_MMD_PCS, unit + MDIO_CTRL1, + MDIO_CTRL1_RESET, MDIO_CTRL1_RESET); + if (err < 0) + return err; + + return phy_read_mmd_poll_timeout(phydev, MDIO_MMD_PCS, + unit + MDIO_CTRL1, val, + !(val & MDIO_CTRL1_RESET), + 5000, 100000, true); +} + +static int mv3310_get_edpd(struct phy_device *phydev, u16 *edpd) +{ + int val; + + val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1); + if (val < 0) + return val; + + switch (val & MV_PCS_CSCR1_ED_MASK) { + case MV_PCS_CSCR1_ED_NLP: + *edpd = 1000; + break; + case MV_PCS_CSCR1_ED_RX: + *edpd = ETHTOOL_PHY_EDPD_NO_TX; + break; + default: + *edpd = ETHTOOL_PHY_EDPD_DISABLE; + break; + } + return 0; +} + +static int mv3310_set_edpd(struct phy_device *phydev, u16 edpd) +{ + u16 val; + int err; + + switch (edpd) { + case 1000: + case ETHTOOL_PHY_EDPD_DFLT_TX_MSECS: + val = MV_PCS_CSCR1_ED_NLP; + break; + + case ETHTOOL_PHY_EDPD_NO_TX: + val = MV_PCS_CSCR1_ED_RX; + break; + + case ETHTOOL_PHY_EDPD_DISABLE: + val = MV_PCS_CSCR1_ED_OFF; + break; + + default: + return -EINVAL; + } + + err = phy_modify_mmd_changed(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1, + MV_PCS_CSCR1_ED_MASK, val); + if (err > 0) + err = mv3310_reset(phydev, MV_PCS_BASE_T); + + return err; +} + +static int mv3310_sfp_insert(void *upstream, const struct sfp_eeprom_id *id) +{ + struct phy_device *phydev = upstream; + __ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, }; + phy_interface_t iface; + + sfp_parse_support(phydev->sfp_bus, id, support); + iface = sfp_select_interface(phydev->sfp_bus, support); + + if (iface != PHY_INTERFACE_MODE_10GBASER) { + dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n"); + return -EINVAL; + } + return 0; +} + +static const struct sfp_upstream_ops mv3310_sfp_ops = { + .attach = phy_sfp_attach, + .detach = phy_sfp_detach, + .module_insert = mv3310_sfp_insert, +}; + +static int mv3310_probe(struct phy_device *phydev) +{ + struct mv3310_priv *priv; + u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN; + int ret; + + if (!phydev->is_c45 || + (phydev->c45_ids.devices_in_package & mmd_mask) != mmd_mask) + return -ENODEV; + + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_BOOT); + if (ret < 0) + return ret; + + if (ret & MV_PMA_BOOT_FATAL) { + dev_warn(&phydev->mdio.dev, + "PHY failed to boot firmware, status=%04x\n", ret); + return -ENODEV; + } + + priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + dev_set_drvdata(&phydev->mdio.dev, priv); + + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_FW_VER0); + if (ret < 0) + return ret; + + priv->firmware_ver = ret << 16; + + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_FW_VER1); + if (ret < 0) + return ret; + + priv->firmware_ver |= ret; + + phydev_info(phydev, "Firmware version %u.%u.%u.%u\n", + priv->firmware_ver >> 24, (priv->firmware_ver >> 16) & 255, + (priv->firmware_ver >> 8) & 255, priv->firmware_ver & 255); + + /* Powering down the port when not in use saves about 600mW */ + ret = mv3310_power_down(phydev); + if (ret) + return ret; + + ret = mv3310_hwmon_probe(phydev); + if (ret) + return ret; + + return phy_sfp_probe(phydev, &mv3310_sfp_ops); +} + +static void mv3310_remove(struct phy_device *phydev) +{ + mv3310_hwmon_config(phydev, false); +} + +static int mv3310_suspend(struct phy_device *phydev) +{ + return mv3310_power_down(phydev); +} + +static int mv3310_resume(struct phy_device *phydev) +{ + int ret; + + ret = mv3310_power_up(phydev); + if (ret) + return ret; + + return mv3310_hwmon_config(phydev, true); +} + +/* Some PHYs in the Alaska family such as the 88X3310 and the 88E2010 + * don't set bit 14 in PMA Extended Abilities (1.11), although they do + * support 2.5GBASET and 5GBASET. For these models, we can still read their + * 2.5G/5G extended abilities register (1.21). We detect these models based on + * the PMA device identifier, with a mask matching models known to have this + * issue + */ +static bool mv3310_has_pma_ngbaset_quirk(struct phy_device *phydev) +{ + if (!(phydev->c45_ids.devices_in_package & MDIO_DEVS_PMAPMD)) + return false; + + /* Only some revisions of the 88X3310 family PMA seem to be impacted */ + return (phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] & + MV_PHY_ALASKA_NBT_QUIRK_MASK) == MV_PHY_ALASKA_NBT_QUIRK_REV; +} + +static int mv3310_config_init(struct phy_device *phydev) +{ + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + int err; + int val; + + /* Check that the PHY interface type is compatible */ + if (phydev->interface != PHY_INTERFACE_MODE_SGMII && + phydev->interface != PHY_INTERFACE_MODE_2500BASEX && + phydev->interface != PHY_INTERFACE_MODE_XAUI && + phydev->interface != PHY_INTERFACE_MODE_RXAUI && + phydev->interface != PHY_INTERFACE_MODE_10GBASER) + return -ENODEV; + + phydev->mdix_ctrl = ETH_TP_MDI_AUTO; + + /* Power up so reset works */ + err = mv3310_power_up(phydev); + if (err) + return err; + + val = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL); + if (val < 0) + return val; + priv->rate_match = ((val & MV_V2_PORT_MAC_TYPE_MASK) == + MV_V2_PORT_MAC_TYPE_RATE_MATCH); + + /* Enable EDPD mode - saving 600mW */ + return mv3310_set_edpd(phydev, ETHTOOL_PHY_EDPD_DFLT_TX_MSECS); +} + +static int mv3310_get_features(struct phy_device *phydev) +{ + int ret, val; + + ret = genphy_c45_pma_read_abilities(phydev); + if (ret) + return ret; + + if (mv3310_has_pma_ngbaset_quirk(phydev)) { + val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, + MDIO_PMA_NG_EXTABLE); + if (val < 0) + return val; + + linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + phydev->supported, + val & MDIO_PMA_NG_EXTABLE_2_5GBT); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + phydev->supported, + val & MDIO_PMA_NG_EXTABLE_5GBT); + } + + return 0; +} + +static int mv3310_config_mdix(struct phy_device *phydev) +{ + u16 val; + int err; + + switch (phydev->mdix_ctrl) { + case ETH_TP_MDI_AUTO: + val = MV_PCS_CSCR1_MDIX_AUTO; + break; + case ETH_TP_MDI_X: + val = MV_PCS_CSCR1_MDIX_MDIX; + break; + case ETH_TP_MDI: + val = MV_PCS_CSCR1_MDIX_MDI; + break; + default: + return -EINVAL; + } + + err = phy_modify_mmd_changed(phydev, MDIO_MMD_PCS, MV_PCS_CSCR1, + MV_PCS_CSCR1_MDIX_MASK, val); + if (err > 0) + err = mv3310_reset(phydev, MV_PCS_BASE_T); + + return err; +} + +static int mv3310_config_aneg(struct phy_device *phydev) +{ + bool changed = false; + u16 reg; + int ret; + + ret = mv3310_config_mdix(phydev); + if (ret < 0) + return ret; + + if (phydev->autoneg == AUTONEG_DISABLE) + return genphy_c45_pma_setup_forced(phydev); + + ret = genphy_c45_an_config_aneg(phydev); + if (ret < 0) + return ret; + if (ret > 0) + changed = true; + + /* Clause 45 has no standardized support for 1000BaseT, therefore + * use vendor registers for this mode. + */ + reg = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising); + ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MV_AN_CTRL1000, + ADVERTISE_1000FULL | ADVERTISE_1000HALF, reg); + if (ret < 0) + return ret; + if (ret > 0) + changed = true; + + return genphy_c45_check_and_restart_aneg(phydev, changed); +} + +static int mv3310_aneg_done(struct phy_device *phydev) +{ + int val; + + val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_STAT1); + if (val < 0) + return val; + + if (val & MDIO_STAT1_LSTATUS) + return 1; + + return genphy_c45_aneg_done(phydev); +} + +static void mv3310_update_interface(struct phy_device *phydev) +{ + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + + /* In "XFI with Rate Matching" mode the PHY interface is fixed at + * 10Gb. The PHY adapts the rate to actual wire speed with help of + * internal 16KB buffer. + */ + if (priv->rate_match) { + phydev->interface = PHY_INTERFACE_MODE_10GBASER; + return; + } + + if ((phydev->interface == PHY_INTERFACE_MODE_SGMII || + phydev->interface == PHY_INTERFACE_MODE_2500BASEX || + phydev->interface == PHY_INTERFACE_MODE_10GBASER) && + phydev->link) { + /* The PHY automatically switches its serdes interface (and + * active PHYXS instance) between Cisco SGMII, 10GBase-R and + * 2500BaseX modes according to the speed. Florian suggests + * setting phydev->interface to communicate this to the MAC. + * Only do this if we are already in one of the above modes. + */ + switch (phydev->speed) { + case SPEED_10000: + phydev->interface = PHY_INTERFACE_MODE_10GBASER; + break; + case SPEED_2500: + phydev->interface = PHY_INTERFACE_MODE_2500BASEX; + break; + case SPEED_1000: + case SPEED_100: + case SPEED_10: + phydev->interface = PHY_INTERFACE_MODE_SGMII; + break; + default: + break; + } + } +} + +/* 10GBASE-ER,LR,LRM,SR do not support autonegotiation. */ +static int mv3310_read_status_10gbaser(struct phy_device *phydev) +{ + phydev->link = 1; + phydev->speed = SPEED_10000; + phydev->duplex = DUPLEX_FULL; + phydev->port = PORT_FIBRE; + + return 0; +} + +static int mv3310_read_status_copper(struct phy_device *phydev) +{ + int cssr1, speed, val; + + val = genphy_c45_read_link(phydev); + if (val < 0) + return val; + + val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1); + if (val < 0) + return val; + + cssr1 = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_CSSR1); + if (cssr1 < 0) + return cssr1; + + /* If the link settings are not resolved, mark the link down */ + if (!(cssr1 & MV_PCS_CSSR1_RESOLVED)) { + phydev->link = 0; + return 0; + } + + /* Read the copper link settings */ + speed = cssr1 & MV_PCS_CSSR1_SPD1_MASK; + if (speed == MV_PCS_CSSR1_SPD1_SPD2) + speed |= cssr1 & MV_PCS_CSSR1_SPD2_MASK; + + switch (speed) { + case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_10000: + phydev->speed = SPEED_10000; + break; + + case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_5000: + phydev->speed = SPEED_5000; + break; + + case MV_PCS_CSSR1_SPD1_SPD2 | MV_PCS_CSSR1_SPD2_2500: + phydev->speed = SPEED_2500; + break; + + case MV_PCS_CSSR1_SPD1_1000: + phydev->speed = SPEED_1000; + break; + + case MV_PCS_CSSR1_SPD1_100: + phydev->speed = SPEED_100; + break; + + case MV_PCS_CSSR1_SPD1_10: + phydev->speed = SPEED_10; + break; + } + + phydev->duplex = cssr1 & MV_PCS_CSSR1_DUPLEX_FULL ? + DUPLEX_FULL : DUPLEX_HALF; + phydev->port = PORT_TP; + phydev->mdix = cssr1 & MV_PCS_CSSR1_MDIX ? + ETH_TP_MDI_X : ETH_TP_MDI; + + if (val & MDIO_AN_STAT1_COMPLETE) { + val = genphy_c45_read_lpa(phydev); + if (val < 0) + return val; + + /* Read the link partner's 1G advertisement */ + val = phy_read_mmd(phydev, MDIO_MMD_AN, MV_AN_STAT1000); + if (val < 0) + return val; + + mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val); + + /* Update the pause status */ + phy_resolve_aneg_pause(phydev); + } + + return 0; +} + +static int mv3310_read_status(struct phy_device *phydev) +{ + int err, val; + + phydev->speed = SPEED_UNKNOWN; + phydev->duplex = DUPLEX_UNKNOWN; + linkmode_zero(phydev->lp_advertising); + phydev->link = 0; + phydev->pause = 0; + phydev->asym_pause = 0; + phydev->mdix = ETH_TP_MDI_INVALID; + + val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_STAT1); + if (val < 0) + return val; + + if (val & MDIO_STAT1_LSTATUS) + err = mv3310_read_status_10gbaser(phydev); + else + err = mv3310_read_status_copper(phydev); + if (err < 0) + return err; + + if (phydev->link) + mv3310_update_interface(phydev); + + return 0; +} + +static int mv3310_get_tunable(struct phy_device *phydev, + struct ethtool_tunable *tuna, void *data) +{ + switch (tuna->id) { + case ETHTOOL_PHY_EDPD: + return mv3310_get_edpd(phydev, data); + default: + return -EOPNOTSUPP; + } +} + +static int mv3310_set_tunable(struct phy_device *phydev, + struct ethtool_tunable *tuna, const void *data) +{ + switch (tuna->id) { + case ETHTOOL_PHY_EDPD: + return mv3310_set_edpd(phydev, *(u16 *)data); + default: + return -EOPNOTSUPP; + } +} + +static struct phy_driver mv3310_drivers[] = { + { + .phy_id = MARVELL_PHY_ID_88X3310, + .phy_id_mask = MARVELL_PHY_ID_MASK, + .name = "mv88x3310", + .get_features = mv3310_get_features, + .config_init = mv3310_config_init, + .probe = mv3310_probe, + .suspend = mv3310_suspend, + .resume = mv3310_resume, + .config_aneg = mv3310_config_aneg, + .aneg_done = mv3310_aneg_done, + .read_status = mv3310_read_status, + .get_tunable = mv3310_get_tunable, + .set_tunable = mv3310_set_tunable, + .remove = mv3310_remove, + }, + { + .phy_id = MARVELL_PHY_ID_88E2110, + .phy_id_mask = MARVELL_PHY_ID_MASK, + .name = "mv88x2110", + .probe = mv3310_probe, + .suspend = mv3310_suspend, + .resume = mv3310_resume, + .config_init = mv3310_config_init, + .config_aneg = mv3310_config_aneg, + .aneg_done = mv3310_aneg_done, + .read_status = mv3310_read_status, + .get_tunable = mv3310_get_tunable, + .set_tunable = mv3310_set_tunable, + .remove = mv3310_remove, + }, +}; + +module_phy_driver(mv3310_drivers); + +static struct mdio_device_id __maybe_unused mv3310_tbl[] = { + { MARVELL_PHY_ID_88X3310, MARVELL_PHY_ID_MASK }, + { MARVELL_PHY_ID_88E2110, MARVELL_PHY_ID_MASK }, + { }, +}; +MODULE_DEVICE_TABLE(mdio, mv3310_tbl); +MODULE_DESCRIPTION("Marvell Alaska X 10Gigabit Ethernet PHY driver (MV88X3310)"); +MODULE_LICENSE("GPL"); |