diff options
author | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
commit | c55b44c9386f3ee1b08752638559f19deaf6040d (patch) | |
tree | c843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/net/phy/marvell10g.c | |
parent | MAINTAINERS: Update my e-mail (diff) | |
parent | Linux 5.13-rc1 (diff) | |
download | linux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip |
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/net/phy/marvell10g.c')
-rw-r--r-- | drivers/net/phy/marvell10g.c | 386 |
1 files changed, 327 insertions, 59 deletions
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index b1bb9b8e1e4e..bbbc6ac8fa82 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -35,6 +35,15 @@ enum { MV_PMA_FW_VER0 = 0xc011, MV_PMA_FW_VER1 = 0xc012, + MV_PMA_21X0_PORT_CTRL = 0xc04a, + MV_PMA_21X0_PORT_CTRL_SWRST = BIT(15), + MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK = 0x7, + MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII = 0x0, + MV_PMA_2180_PORT_CTRL_MACTYPE_DXGMII = 0x1, + MV_PMA_2180_PORT_CTRL_MACTYPE_QXGMII = 0x2, + MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER = 0x4, + MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN = 0x5, + MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6, MV_PMA_BOOT = 0xc050, MV_PMA_BOOT_FATAL = BIT(0), @@ -78,10 +87,18 @@ enum { /* 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, + MV_V2_PORT_CTRL_PWRDOWN = BIT(11), + MV_V2_33X0_PORT_CTRL_SWRST = BIT(15), + MV_V2_33X0_PORT_CTRL_MACTYPE_MASK = 0x7, + MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI = 0x0, + MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH = 0x1, + MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN = 0x1, + MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH = 0x2, + MV_V2_3310_PORT_CTRL_MACTYPE_XAUI = 0x3, + MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER = 0x4, + MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN = 0x5, + MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH = 0x6, + MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII = 0x7, /* Temperature control/read registers (88X3310 only) */ MV_V2_TEMP_CTRL = 0xf08a, MV_V2_TEMP_CTRL_MASK = 0xc000, @@ -91,14 +108,32 @@ enum { MV_V2_TEMP_UNKNOWN = 0x9600, /* unknown function */ }; +struct mv3310_chip { + void (*init_supported_interfaces)(unsigned long *mask); + int (*get_mactype)(struct phy_device *phydev); + int (*init_interface)(struct phy_device *phydev, int mactype); + +#ifdef CONFIG_HWMON + int (*hwmon_read_temp_reg)(struct phy_device *phydev); +#endif +}; + struct mv3310_priv { + DECLARE_BITMAP(supported_interfaces, PHY_INTERFACE_MODE_MAX); + u32 firmware_ver; bool rate_match; + phy_interface_t const_interface; struct device *hwmon_dev; char *hwmon_name; }; +static const struct mv3310_chip *to_mv3310_chip(struct phy_device *phydev) +{ + return phydev->drv->driver_data; +} + #ifdef CONFIG_HWMON static umode_t mv3310_hwmon_is_visible(const void *data, enum hwmon_sensor_types type, @@ -121,18 +156,11 @@ 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); + const struct mv3310_chip *chip = to_mv3310_chip(phydev); int temp; if (type == hwmon_chip && attr == hwmon_chip_update_interval) { @@ -141,7 +169,7 @@ static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type, } if (type == hwmon_temp && attr == hwmon_temp_input) { - temp = mv10g_hwmon_read_temp_reg(phydev); + temp = chip->hwmon_read_temp_reg(phydev); if (temp < 0) return temp; @@ -268,7 +296,7 @@ static int mv3310_power_up(struct phy_device *phydev) return ret; return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, - MV_V2_PORT_CTRL_SWRST); + MV_V2_33X0_PORT_CTRL_SWRST); } static int mv3310_reset(struct phy_device *phydev, u32 unit) @@ -363,6 +391,7 @@ static const struct sfp_upstream_ops mv3310_sfp_ops = { static int mv3310_probe(struct phy_device *phydev) { + const struct mv3310_chip *chip = to_mv3310_chip(phydev); struct mv3310_priv *priv; u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN; int ret; @@ -412,6 +441,8 @@ static int mv3310_probe(struct phy_device *phydev) if (ret) return ret; + chip->init_supported_interfaces(priv->supported_interfaces); + return phy_sfp_probe(phydev, &mv3310_sfp_ops); } @@ -453,18 +484,102 @@ static bool mv3310_has_pma_ngbaset_quirk(struct phy_device *phydev) MV_PHY_ALASKA_NBT_QUIRK_MASK) == MV_PHY_ALASKA_NBT_QUIRK_REV; } +static int mv2110_get_mactype(struct phy_device *phydev) +{ + int mactype; + + mactype = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_PMA_21X0_PORT_CTRL); + if (mactype < 0) + return mactype; + + return mactype & MV_PMA_21X0_PORT_CTRL_MACTYPE_MASK; +} + +static int mv3310_get_mactype(struct phy_device *phydev) +{ + int mactype; + + mactype = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL); + if (mactype < 0) + return mactype; + + return mactype & MV_V2_33X0_PORT_CTRL_MACTYPE_MASK; +} + +static int mv2110_init_interface(struct phy_device *phydev, int mactype) +{ + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + + priv->rate_match = false; + + if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH) + priv->rate_match = true; + + if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_USXGMII) + priv->const_interface = PHY_INTERFACE_MODE_USXGMII; + else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH) + priv->const_interface = PHY_INTERFACE_MODE_10GBASER; + else if (mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER || + mactype == MV_PMA_21X0_PORT_CTRL_MACTYPE_5GBASER_NO_SGMII_AN) + priv->const_interface = PHY_INTERFACE_MODE_NA; + else + return -EINVAL; + + return 0; +} + +static int mv3310_init_interface(struct phy_device *phydev, int mactype) +{ + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + + priv->rate_match = false; + + if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH || + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH || + mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH) + priv->rate_match = true; + + if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_USXGMII) + priv->const_interface = PHY_INTERFACE_MODE_USXGMII; + else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_RATE_MATCH || + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN || + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_10GBASER) + priv->const_interface = PHY_INTERFACE_MODE_10GBASER; + else if (mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH || + mactype == MV_V2_33X0_PORT_CTRL_MACTYPE_RXAUI) + priv->const_interface = PHY_INTERFACE_MODE_RXAUI; + else if (mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI_RATE_MATCH || + mactype == MV_V2_3310_PORT_CTRL_MACTYPE_XAUI) + priv->const_interface = PHY_INTERFACE_MODE_XAUI; + else + return -EINVAL; + + return 0; +} + +static int mv3340_init_interface(struct phy_device *phydev, int mactype) +{ + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + int err = 0; + + priv->rate_match = false; + + if (mactype == MV_V2_3340_PORT_CTRL_MACTYPE_RXAUI_NO_SGMII_AN) + priv->const_interface = PHY_INTERFACE_MODE_RXAUI; + else + err = mv3310_init_interface(phydev, mactype); + + return err; +} + static int mv3310_config_init(struct phy_device *phydev) { struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); - int err; - int val; + const struct mv3310_chip *chip = to_mv3310_chip(phydev); + int err, mactype; /* 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) + if (!test_bit(phydev->interface, priv->supported_interfaces)) return -ENODEV; phydev->mdix_ctrl = ETH_TP_MDI_AUTO; @@ -474,11 +589,15 @@ static int mv3310_config_init(struct phy_device *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); + mactype = chip->get_mactype(phydev); + if (mactype < 0) + return mactype; + + err = chip->init_interface(phydev, mactype); + if (err) { + phydev_err(phydev, "MACTYPE configuration invalid\n"); + return err; + } /* Enable EDPD mode - saving 600mW */ return mv3310_set_edpd(phydev, ETHTOOL_PHY_EDPD_DFLT_TX_MSECS); @@ -588,40 +707,44 @@ 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 + if (!phydev->link) + return; + + /* In all of the "* with Rate Matching" modes the PHY interface is fixed + * at 10Gb. The PHY adapts the rate to actual wire speed with help of * internal 16KB buffer. + * + * In USXGMII mode the PHY interface mode is also fixed. */ - if (priv->rate_match) { - phydev->interface = PHY_INTERFACE_MODE_10GBASER; + if (priv->rate_match || + priv->const_interface == PHY_INTERFACE_MODE_USXGMII) { + phydev->interface = priv->const_interface; 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; - } + /* The PHY automatically switches its serdes interface (and active PHYXS + * instance) between Cisco SGMII, 2500BaseX, 5GBase-R and 10GBase-R / + * xaui / rxaui 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 = priv->const_interface; + break; + case SPEED_5000: + phydev->interface = PHY_INTERFACE_MODE_5GBASER; + 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; } } @@ -765,11 +888,133 @@ static int mv3310_set_tunable(struct phy_device *phydev, } } +static void mv3310_init_supported_interfaces(unsigned long *mask) +{ + __set_bit(PHY_INTERFACE_MODE_SGMII, mask); + __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); + __set_bit(PHY_INTERFACE_MODE_5GBASER, mask); + __set_bit(PHY_INTERFACE_MODE_XAUI, mask); + __set_bit(PHY_INTERFACE_MODE_RXAUI, mask); + __set_bit(PHY_INTERFACE_MODE_10GBASER, mask); + __set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static void mv3340_init_supported_interfaces(unsigned long *mask) +{ + __set_bit(PHY_INTERFACE_MODE_SGMII, mask); + __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); + __set_bit(PHY_INTERFACE_MODE_5GBASER, mask); + __set_bit(PHY_INTERFACE_MODE_RXAUI, mask); + __set_bit(PHY_INTERFACE_MODE_10GBASER, mask); + __set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static void mv2110_init_supported_interfaces(unsigned long *mask) +{ + __set_bit(PHY_INTERFACE_MODE_SGMII, mask); + __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); + __set_bit(PHY_INTERFACE_MODE_5GBASER, mask); + __set_bit(PHY_INTERFACE_MODE_10GBASER, mask); + __set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static void mv2111_init_supported_interfaces(unsigned long *mask) +{ + __set_bit(PHY_INTERFACE_MODE_SGMII, mask); + __set_bit(PHY_INTERFACE_MODE_2500BASEX, mask); + __set_bit(PHY_INTERFACE_MODE_10GBASER, mask); + __set_bit(PHY_INTERFACE_MODE_USXGMII, mask); +} + +static const struct mv3310_chip mv3310_type = { + .init_supported_interfaces = mv3310_init_supported_interfaces, + .get_mactype = mv3310_get_mactype, + .init_interface = mv3310_init_interface, + +#ifdef CONFIG_HWMON + .hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg, +#endif +}; + +static const struct mv3310_chip mv3340_type = { + .init_supported_interfaces = mv3340_init_supported_interfaces, + .get_mactype = mv3310_get_mactype, + .init_interface = mv3340_init_interface, + +#ifdef CONFIG_HWMON + .hwmon_read_temp_reg = mv3310_hwmon_read_temp_reg, +#endif +}; + +static const struct mv3310_chip mv2110_type = { + .init_supported_interfaces = mv2110_init_supported_interfaces, + .get_mactype = mv2110_get_mactype, + .init_interface = mv2110_init_interface, + +#ifdef CONFIG_HWMON + .hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg, +#endif +}; + +static const struct mv3310_chip mv2111_type = { + .init_supported_interfaces = mv2111_init_supported_interfaces, + .get_mactype = mv2110_get_mactype, + .init_interface = mv2110_init_interface, + +#ifdef CONFIG_HWMON + .hwmon_read_temp_reg = mv2110_hwmon_read_temp_reg, +#endif +}; + +static int mv211x_match_phy_device(struct phy_device *phydev, bool has_5g) +{ + int val; + + if ((phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] & + MARVELL_PHY_ID_MASK) != MARVELL_PHY_ID_88E2110) + return 0; + + val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_SPEED); + if (val < 0) + return val; + + return !!(val & MDIO_PCS_SPEED_5G) == has_5g; +} + +static int mv2110_match_phy_device(struct phy_device *phydev) +{ + return mv211x_match_phy_device(phydev, true); +} + +static int mv2111_match_phy_device(struct phy_device *phydev) +{ + return mv211x_match_phy_device(phydev, false); +} + static struct phy_driver mv3310_drivers[] = { { .phy_id = MARVELL_PHY_ID_88X3310, - .phy_id_mask = MARVELL_PHY_ID_MASK, + .phy_id_mask = MARVELL_PHY_ID_88X33X0_MASK, .name = "mv88x3310", + .driver_data = &mv3310_type, + .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, + .set_loopback = genphy_c45_loopback, + }, + { + .phy_id = MARVELL_PHY_ID_88X3340, + .phy_id_mask = MARVELL_PHY_ID_88X33X0_MASK, + .name = "mv88x3340", + .driver_data = &mv3340_type, .get_features = mv3310_get_features, .config_init = mv3310_config_init, .probe = mv3310_probe, @@ -781,11 +1026,32 @@ static struct phy_driver mv3310_drivers[] = { .get_tunable = mv3310_get_tunable, .set_tunable = mv3310_set_tunable, .remove = mv3310_remove, + .set_loopback = genphy_c45_loopback, + }, + { + .phy_id = MARVELL_PHY_ID_88E2110, + .phy_id_mask = MARVELL_PHY_ID_MASK, + .match_phy_device = mv2110_match_phy_device, + .name = "mv88e2110", + .driver_data = &mv2110_type, + .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, + .set_loopback = genphy_c45_loopback, }, { .phy_id = MARVELL_PHY_ID_88E2110, .phy_id_mask = MARVELL_PHY_ID_MASK, - .name = "mv88x2110", + .match_phy_device = mv2111_match_phy_device, + .name = "mv88e2111", + .driver_data = &mv2111_type, .probe = mv3310_probe, .suspend = mv3310_suspend, .resume = mv3310_resume, @@ -796,16 +1062,18 @@ static struct phy_driver mv3310_drivers[] = { .get_tunable = mv3310_get_tunable, .set_tunable = mv3310_set_tunable, .remove = mv3310_remove, + .set_loopback = genphy_c45_loopback, }, }; 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_88X3310, MARVELL_PHY_ID_88X33X0_MASK }, + { MARVELL_PHY_ID_88X3340, MARVELL_PHY_ID_88X33X0_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_DESCRIPTION("Marvell Alaska X/M multi-gigabit Ethernet PHY driver"); MODULE_LICENSE("GPL"); |