diff options
Diffstat (limited to 'drivers/net/phy/mxl-gpy.c')
| -rw-r--r-- | drivers/net/phy/mxl-gpy.c | 786 |
1 files changed, 724 insertions, 62 deletions
diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c index 5ce1bf03bbd7..8e2fd6b942b6 100644 --- a/drivers/net/phy/mxl-gpy.c +++ b/drivers/net/phy/mxl-gpy.c @@ -8,7 +8,11 @@ #include <linux/module.h> #include <linux/bitfield.h> +#include <linux/hwmon.h> +#include <linux/mutex.h> #include <linux/phy.h> +#include <linux/polynomial.h> +#include <linux/property.h> #include <linux/netdevice.h> /* PHY ID */ @@ -26,10 +30,18 @@ #define PHY_ID_GPY241B 0x67C9DE40 #define PHY_ID_GPY241BM 0x67C9DE80 #define PHY_ID_GPY245B 0x67C9DEC0 - +#define PHY_ID_MXL86211C 0xC1335400 +#define PHY_ID_MXL86252 0xC1335520 +#define PHY_ID_MXL86282 0xC1335500 + +#define PHY_CTL1 0x13 +#define PHY_CTL1_MDICD BIT(3) +#define PHY_CTL1_MDIAB BIT(2) +#define PHY_CTL1_AMDIX BIT(0) #define PHY_MIISTAT 0x18 /* MII state */ #define PHY_IMASK 0x19 /* interrupt mask */ #define PHY_ISTAT 0x1A /* interrupt status */ +#define PHY_LED 0x1B /* LEDs */ #define PHY_FWV 0x1E /* firmware version */ #define PHY_MIISTAT_SPD_MASK GENMASK(2, 0) @@ -53,10 +65,39 @@ PHY_IMASK_ADSC | \ PHY_IMASK_ANC) +#define GPY_MAX_LEDS 4 +#define PHY_LED_POLARITY(idx) BIT(12 + (idx)) +#define PHY_LED_HWCONTROL(idx) BIT(8 + (idx)) +#define PHY_LED_ON(idx) BIT(idx) + #define PHY_FWV_REL_MASK BIT(15) -#define PHY_FWV_TYPE_MASK GENMASK(11, 8) +#define PHY_FWV_MAJOR_MASK GENMASK(11, 8) #define PHY_FWV_MINOR_MASK GENMASK(7, 0) +#define PHY_PMA_MGBT_POLARITY 0x82 +#define PHY_MDI_MDI_X_MASK GENMASK(1, 0) +#define PHY_MDI_MDI_X_NORMAL 0x3 +#define PHY_MDI_MDI_X_AB 0x2 +#define PHY_MDI_MDI_X_CD 0x1 +#define PHY_MDI_MDI_X_CROSS 0x0 + +/* LED */ +#define VSPEC1_LED(idx) (1 + (idx)) +#define VSPEC1_LED_BLINKS GENMASK(15, 12) +#define VSPEC1_LED_PULSE GENMASK(11, 8) +#define VSPEC1_LED_CON GENMASK(7, 4) +#define VSPEC1_LED_BLINKF GENMASK(3, 0) + +#define VSPEC1_LED_LINK10 BIT(0) +#define VSPEC1_LED_LINK100 BIT(1) +#define VSPEC1_LED_LINK1000 BIT(2) +#define VSPEC1_LED_LINK2500 BIT(3) + +#define VSPEC1_LED_TXACT BIT(0) +#define VSPEC1_LED_RXACT BIT(1) +#define VSPEC1_LED_COL BIT(2) +#define VSPEC1_LED_NO_CON BIT(3) + /* SGMII */ #define VSPEC1_SGMII_CTRL 0x08 #define VSPEC1_SGMII_CTRL_ANEN BIT(12) /* Aneg enable */ @@ -64,6 +105,18 @@ #define VSPEC1_SGMII_ANEN_ANRS (VSPEC1_SGMII_CTRL_ANEN | \ VSPEC1_SGMII_CTRL_ANRS) +/* Temperature sensor */ +#define VSPEC1_TEMP_STA 0x0E +#define VSPEC1_TEMP_STA_DATA GENMASK(9, 0) + +/* Mailbox */ +#define VSPEC1_MBOX_DATA 0x5 +#define VSPEC1_MBOX_ADDRLO 0x6 +#define VSPEC1_MBOX_CMD 0x7 +#define VSPEC1_MBOX_CMD_ADDRHI GENMASK(7, 0) +#define VSPEC1_MBOX_CMD_RD (0 << 8) +#define VSPEC1_MBOX_CMD_READY BIT(15) + /* WoL */ #define VPSPEC2_WOL_CTL 0x0E06 #define VPSPEC2_WOL_AD01 0x0E08 @@ -71,8 +124,27 @@ #define VPSPEC2_WOL_AD45 0x0E0A #define WOL_EN BIT(0) +/* Internal registers, access via mbox */ +#define REG_GPIO0_OUT 0xd3ce00 + +struct gpy_priv { + /* serialize mailbox acesses */ + struct mutex mbox_lock; + + u8 fw_major; + u8 fw_minor; + u32 wolopts; + + /* It takes 3 seconds to fully switch out of loopback mode before + * it can safely re-enter loopback mode. Record the time when + * loopback is disabled. Check and wait if necessary before loopback + * is enabled. + */ + u64 lb_dis_to; +}; + static const struct { - int type; + int major; int minor; } ver_need_sgmii_reaneg[] = { {7, 0x6D}, @@ -80,22 +152,202 @@ static const struct { {9, 0x73}, }; -static int gpy_config_init(struct phy_device *phydev) +#if IS_ENABLED(CONFIG_HWMON) +/* The original translation formulae of the temperature (in degrees of Celsius) + * are as follows: + * + * T = -2.5761e-11*(N^4) + 9.7332e-8*(N^3) + -1.9165e-4*(N^2) + + * 3.0762e-1*(N^1) + -5.2156e1 + * + * where [-52.156, 137.961]C and N = [0, 1023]. + * + * They must be accordingly altered to be suitable for the integer arithmetics. + * The technique is called 'factor redistribution', which just makes sure the + * multiplications and divisions are made so to have a result of the operations + * within the integer numbers limit. In addition we need to translate the + * formulae to accept millidegrees of Celsius. Here what it looks like after + * the alterations: + * + * T = -25761e-12*(N^4) + 97332e-9*(N^3) + -191650e-6*(N^2) + + * 307620e-3*(N^1) + -52156 + * + * where T = [-52156, 137961]mC and N = [0, 1023]. + */ +static const struct polynomial poly_N_to_temp = { + .terms = { + {4, -25761, 1000, 1}, + {3, 97332, 1000, 1}, + {2, -191650, 1000, 1}, + {1, 307620, 1000, 1}, + {0, -52156, 1, 1} + } +}; + +static int gpy_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 ret; - /* Mask all interrupts */ - ret = phy_write(phydev, PHY_IMASK, 0); - if (ret) + ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_TEMP_STA); + if (ret < 0) + return ret; + if (!ret) + return -ENODATA; + + *value = polynomial_calc(&poly_N_to_temp, + FIELD_GET(VSPEC1_TEMP_STA_DATA, ret)); + + return 0; +} + +static int mxl862x2_hwmon_read(struct device *dev, + enum hwmon_sensor_types type, + u32 attr, int channel, long *value) +{ + struct phy_device *phydev = dev_get_drvdata(dev); + long tmp; + int ret; + + ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_TEMP_STA); + if (ret < 0) return ret; + if (!ret) + return -ENODATA; + + tmp = (s16)ret; + tmp *= 78125; + tmp /= 10000; + + *value = tmp; + + return 0; +} + +static umode_t gpy_hwmon_is_visible(const void *data, + enum hwmon_sensor_types type, + u32 attr, int channel) +{ + return 0444; +} + +static const struct hwmon_channel_info * const gpy_hwmon_info[] = { + HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT), + NULL +}; + +static const struct hwmon_ops gpy_hwmon_hwmon_ops = { + .is_visible = gpy_hwmon_is_visible, + .read = gpy_hwmon_read, +}; + +static const struct hwmon_ops mxl862x2_hwmon_hwmon_ops = { + .is_visible = gpy_hwmon_is_visible, + .read = mxl862x2_hwmon_read, +}; + +static const struct hwmon_chip_info gpy_hwmon_chip_info = { + .ops = &gpy_hwmon_hwmon_ops, + .info = gpy_hwmon_info, +}; + +static const struct hwmon_chip_info mxl862x2_hwmon_chip_info = { + .ops = &mxl862x2_hwmon_hwmon_ops, + .info = gpy_hwmon_info, +}; + +static int gpy_hwmon_register(struct phy_device *phydev) +{ + struct device *dev = &phydev->mdio.dev; + const struct hwmon_chip_info *info; + struct device *hwmon_dev; + + if (phy_id_compare_model(phydev->phy_id, PHY_ID_MXL86252) || + phy_id_compare_model(phydev->phy_id, PHY_ID_MXL86282)) + info = &mxl862x2_hwmon_chip_info; + else + info = &gpy_hwmon_chip_info; + + hwmon_dev = devm_hwmon_device_register_with_info(dev, NULL, phydev, + info, NULL); + + return PTR_ERR_OR_ZERO(hwmon_dev); +} +#else +static int gpy_hwmon_register(struct phy_device *phydev) +{ + return 0; +} +#endif + +static int gpy_ack_interrupt(struct phy_device *phydev) +{ + int ret; /* Clear all pending interrupts */ ret = phy_read(phydev, PHY_ISTAT); return ret < 0 ? ret : 0; } +static int gpy_mbox_read(struct phy_device *phydev, u32 addr) +{ + struct gpy_priv *priv = phydev->priv; + int val, ret; + u16 cmd; + + mutex_lock(&priv->mbox_lock); + + ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_MBOX_ADDRLO, + addr); + if (ret) + goto out; + + cmd = VSPEC1_MBOX_CMD_RD; + cmd |= FIELD_PREP(VSPEC1_MBOX_CMD_ADDRHI, addr >> 16); + + ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_MBOX_CMD, cmd); + if (ret) + goto out; + + /* The mbox read is used in the interrupt workaround. It was observed + * that a read might take up to 2.5ms. This is also the time for which + * the interrupt line is stuck low. To be on the safe side, poll the + * ready bit for 10ms. + */ + ret = phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND1, + VSPEC1_MBOX_CMD, val, + (val & VSPEC1_MBOX_CMD_READY), + 500, 10000, false); + if (ret) + goto out; + + ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_MBOX_DATA); + +out: + mutex_unlock(&priv->mbox_lock); + return ret; +} + +static int gpy_config_init(struct phy_device *phydev) +{ + /* Nothing to configure. Configuration Requirement Placeholder */ + return 0; +} + +static int gpy21x_config_init(struct phy_device *phydev) +{ + __set_bit(PHY_INTERFACE_MODE_2500BASEX, phydev->possible_interfaces); + __set_bit(PHY_INTERFACE_MODE_SGMII, phydev->possible_interfaces); + + return gpy_config_init(phydev); +} + static int gpy_probe(struct phy_device *phydev) { + struct device *dev = &phydev->mdio.dev; + struct gpy_priv *priv; + int fw_version; int ret; if (!phydev->is_c45) { @@ -104,33 +356,42 @@ static int gpy_probe(struct phy_device *phydev) return ret; } - /* Show GPY PHY FW version in dmesg */ - ret = phy_read(phydev, PHY_FWV); - if (ret < 0) + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + phydev->priv = priv; + mutex_init(&priv->mbox_lock); + + if (!device_property_present(dev, "maxlinear,use-broken-interrupts")) + phydev->dev_flags |= PHY_F_NO_IRQ; + + fw_version = phy_read(phydev, PHY_FWV); + if (fw_version < 0) + return fw_version; + priv->fw_major = FIELD_GET(PHY_FWV_MAJOR_MASK, fw_version); + priv->fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, fw_version); + + ret = gpy_hwmon_register(phydev); + if (ret) return ret; - phydev_info(phydev, "Firmware Version: 0x%04X (%s)\n", ret, - (ret & PHY_FWV_REL_MASK) ? "release" : "test"); + /* Show GPY PHY FW version in dmesg */ + phydev_info(phydev, "Firmware Version: %d.%d (0x%04X%s)\n", + priv->fw_major, priv->fw_minor, fw_version, + fw_version & PHY_FWV_REL_MASK ? "" : " test version"); return 0; } static bool gpy_sgmii_need_reaneg(struct phy_device *phydev) { - int fw_ver, fw_type, fw_minor; + struct gpy_priv *priv = phydev->priv; size_t i; - fw_ver = phy_read(phydev, PHY_FWV); - if (fw_ver < 0) - return true; - - fw_type = FIELD_GET(PHY_FWV_TYPE_MASK, fw_ver); - fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, fw_ver); - for (i = 0; i < ARRAY_SIZE(ver_need_sgmii_reaneg); i++) { - if (fw_type != ver_need_sgmii_reaneg[i].type) + if (priv->fw_major != ver_need_sgmii_reaneg[i].major) continue; - if (fw_minor < ver_need_sgmii_reaneg[i].minor) + if (priv->fw_minor < ver_need_sgmii_reaneg[i].minor) return true; break; } @@ -174,6 +435,33 @@ static bool gpy_sgmii_aneg_en(struct phy_device *phydev) return (ret & VSPEC1_SGMII_CTRL_ANEN) ? true : false; } +static int gpy_config_mdix(struct phy_device *phydev, u8 ctrl) +{ + int ret; + u16 val; + + switch (ctrl) { + case ETH_TP_MDI_AUTO: + val = PHY_CTL1_AMDIX; + break; + case ETH_TP_MDI_X: + val = (PHY_CTL1_MDIAB | PHY_CTL1_MDICD); + break; + case ETH_TP_MDI: + val = 0; + break; + default: + return 0; + } + + ret = phy_modify(phydev, PHY_CTL1, PHY_CTL1_AMDIX | PHY_CTL1_MDIAB | + PHY_CTL1_MDICD, val); + if (ret < 0) + return ret; + + return genphy_c45_restart_aneg(phydev); +} + static int gpy_config_aneg(struct phy_device *phydev) { bool changed = false; @@ -189,6 +477,10 @@ static int gpy_config_aneg(struct phy_device *phydev) : genphy_c45_pma_setup_forced(phydev); } + ret = gpy_config_mdix(phydev, phydev->mdix_ctrl); + if (ret < 0) + return ret; + ret = genphy_c45_an_config_aneg(phydev); if (ret < 0) return ret; @@ -255,14 +547,42 @@ static int gpy_config_aneg(struct phy_device *phydev) VSPEC1_SGMII_CTRL_ANRS, VSPEC1_SGMII_CTRL_ANRS); } -static void gpy_update_interface(struct phy_device *phydev) +static int gpy_update_mdix(struct phy_device *phydev) +{ + int ret; + + ret = phy_read(phydev, PHY_CTL1); + if (ret < 0) + return ret; + + if (ret & PHY_CTL1_AMDIX) + phydev->mdix_ctrl = ETH_TP_MDI_AUTO; + else + if (ret & PHY_CTL1_MDICD || ret & PHY_CTL1_MDIAB) + phydev->mdix_ctrl = ETH_TP_MDI_X; + else + phydev->mdix_ctrl = ETH_TP_MDI; + + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, PHY_PMA_MGBT_POLARITY); + if (ret < 0) + return ret; + + if ((ret & PHY_MDI_MDI_X_MASK) < PHY_MDI_MDI_X_NORMAL) + phydev->mdix = ETH_TP_MDI_X; + else + phydev->mdix = ETH_TP_MDI; + + return 0; +} + +static int gpy_update_interface(struct phy_device *phydev) { int ret; /* Interface mode is fixed for USXGMII and integrated PHY */ if (phydev->interface == PHY_INTERFACE_MODE_USXGMII || phydev->interface == PHY_INTERFACE_MODE_INTERNAL) - return; + return 0; /* Automatically switch SERDES interface between SGMII and 2500-BaseX * according to speed. Disable ANEG in 2500-BaseX mode. @@ -272,10 +592,12 @@ static void gpy_update_interface(struct phy_device *phydev) phydev->interface = PHY_INTERFACE_MODE_2500BASEX; ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL, VSPEC1_SGMII_CTRL_ANEN, 0); - if (ret < 0) + if (ret < 0) { phydev_err(phydev, "Error: Disable of SGMII ANEG failed: %d\n", ret); + return ret; + } break; case SPEED_1000: case SPEED_100: @@ -289,12 +611,16 @@ static void gpy_update_interface(struct phy_device *phydev) ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL, VSPEC1_SGMII_ANEN_ANRS, VSPEC1_SGMII_ANEN_ANRS); - if (ret < 0) + if (ret < 0) { phydev_err(phydev, "Error: Enable of SGMII ANEG failed: %d\n", ret); + return ret; + } break; } + + return 0; } static int gpy_read_status(struct phy_device *phydev) @@ -345,19 +671,44 @@ static int gpy_read_status(struct phy_device *phydev) break; } - if (phydev->link) - gpy_update_interface(phydev); + if (phydev->link) { + ret = gpy_update_interface(phydev); + if (ret < 0) + return ret; + + if (phydev->speed == SPEED_2500 || phydev->speed == SPEED_1000) { + ret = genphy_read_master_slave(phydev); + if (ret < 0) + return ret; + } + + ret = gpy_update_mdix(phydev); + if (ret < 0) + return ret; + } return 0; } static int gpy_config_intr(struct phy_device *phydev) { + struct gpy_priv *priv = phydev->priv; u16 mask = 0; + int ret; + + ret = gpy_ack_interrupt(phydev); + if (ret) + return ret; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) mask = PHY_IMASK_MASK; + if (priv->wolopts & WAKE_MAGIC) + mask |= PHY_IMASK_WOL; + + if (priv->wolopts & WAKE_PHY) + mask |= PHY_IMASK_LSTC; + return phy_write(phydev, PHY_IMASK, mask); } @@ -374,6 +725,27 @@ static irqreturn_t gpy_handle_interrupt(struct phy_device *phydev) if (!(reg & PHY_IMASK_MASK)) return IRQ_NONE; + /* The PHY might leave the interrupt line asserted even after PHY_ISTAT + * is read. To avoid interrupt storms, delay the interrupt handling as + * long as the PHY drives the interrupt line. An internal bus read will + * stall as long as the interrupt line is asserted, thus just read a + * random register here. + * Because we cannot access the internal bus at all while the interrupt + * is driven by the PHY, there is no way to make the interrupt line + * unstuck (e.g. by changing the pinmux to GPIO input) during that time + * frame. Therefore, polling is the best we can do and won't do any more + * harm. + * It was observed that this bug happens on link state and link speed + * changes independent of the firmware version. + */ + if (reg & (PHY_IMASK_LSTC | PHY_IMASK_LSPC)) { + reg = gpy_mbox_read(phydev, REG_GPIO0_OUT); + if (reg < 0) { + phy_error(phydev); + return IRQ_NONE; + } + } + phy_trigger_machine(phydev); return IRQ_HANDLED; @@ -383,6 +755,7 @@ static int gpy_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { struct net_device *attach_dev = phydev->attached_dev; + struct gpy_priv *priv = phydev->priv; int ret; if (wol->wolopts & WAKE_MAGIC) { @@ -430,6 +803,8 @@ static int gpy_set_wol(struct phy_device *phydev, ret = phy_read(phydev, PHY_ISTAT); if (ret < 0) return ret; + + priv->wolopts |= WAKE_MAGIC; } else { /* Disable magic packet matching */ ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, @@ -437,6 +812,13 @@ static int gpy_set_wol(struct phy_device *phydev, WOL_EN); if (ret < 0) return ret; + + /* Disable the WOL interrupt */ + ret = phy_clear_bits(phydev, PHY_IMASK, PHY_IMASK_WOL); + if (ret < 0) + return ret; + + priv->wolopts &= ~WAKE_MAGIC; } if (wol->wolopts & WAKE_PHY) { @@ -453,9 +835,11 @@ static int gpy_set_wol(struct phy_device *phydev, if (ret & (PHY_IMASK_MASK & ~PHY_IMASK_LSTC)) phy_trigger_machine(phydev); + priv->wolopts |= WAKE_PHY; return 0; } + priv->wolopts &= ~WAKE_PHY; /* Disable the link state change interrupt */ return phy_clear_bits(phydev, PHY_IMASK, PHY_IMASK_LSTC); } @@ -463,53 +847,217 @@ static int gpy_set_wol(struct phy_device *phydev, static void gpy_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { - int ret; + struct gpy_priv *priv = phydev->priv; wol->supported = WAKE_MAGIC | WAKE_PHY; - wol->wolopts = 0; - - ret = phy_read_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_CTL); - if (ret & WOL_EN) - wol->wolopts |= WAKE_MAGIC; - - ret = phy_read(phydev, PHY_IMASK); - if (ret & PHY_IMASK_LSTC) - wol->wolopts |= WAKE_PHY; + wol->wolopts = priv->wolopts; } -static int gpy_loopback(struct phy_device *phydev, bool enable) +static int gpy_loopback(struct phy_device *phydev, bool enable, int speed) { + struct gpy_priv *priv = phydev->priv; + u16 set = 0; int ret; - ret = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK, - enable ? BMCR_LOOPBACK : 0); - if (!ret) { - /* It takes some time for PHY device to switch - * into/out-of loopback mode. + if (enable) { + u64 now = get_jiffies_64(); + + if (speed) + return -EOPNOTSUPP; + + /* wait until 3 seconds from last disable */ + if (time_before64(now, priv->lb_dis_to)) + msleep(jiffies64_to_msecs(priv->lb_dis_to - now)); + + set = BMCR_LOOPBACK; + } + + ret = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK, set); + if (ret <= 0) + return ret; + + if (enable) { + /* It takes some time for PHY device to switch into + * loopback mode. */ msleep(100); + } else { + priv->lb_dis_to = get_jiffies_64() + HZ * 3; } - return ret; + return 0; } -static int gpy115_loopback(struct phy_device *phydev, bool enable) +static int gpy115_loopback(struct phy_device *phydev, bool enable, int speed) { - int ret; - int fw_minor; + struct gpy_priv *priv = phydev->priv; if (enable) - return gpy_loopback(phydev, enable); + return gpy_loopback(phydev, enable, speed); - ret = phy_read(phydev, PHY_FWV); - if (ret < 0) + if (priv->fw_minor > 0x76) + return gpy_loopback(phydev, 0, 0); + + return genphy_soft_reset(phydev); +} + +static int gpy_led_brightness_set(struct phy_device *phydev, + u8 index, enum led_brightness value) +{ + int ret; + + if (index >= GPY_MAX_LEDS) + return -EINVAL; + + /* clear HWCONTROL and set manual LED state */ + ret = phy_modify(phydev, PHY_LED, + ((value == LED_OFF) ? PHY_LED_HWCONTROL(index) : 0) | + PHY_LED_ON(index), + (value == LED_OFF) ? 0 : PHY_LED_ON(index)); + if (ret) return ret; - fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, ret); - if (fw_minor > 0x0076) - return gpy_loopback(phydev, 0); + /* ToDo: set PWM brightness */ - return genphy_soft_reset(phydev); + /* clear HW LED setup */ + if (value == LED_OFF) + return phy_write_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_LED(index), 0); + else + return 0; +} + +static const unsigned long supported_triggers = (BIT(TRIGGER_NETDEV_LINK) | + BIT(TRIGGER_NETDEV_LINK_10) | + BIT(TRIGGER_NETDEV_LINK_100) | + BIT(TRIGGER_NETDEV_LINK_1000) | + BIT(TRIGGER_NETDEV_LINK_2500) | + BIT(TRIGGER_NETDEV_RX) | + BIT(TRIGGER_NETDEV_TX)); + +static int gpy_led_hw_is_supported(struct phy_device *phydev, u8 index, + unsigned long rules) +{ + if (index >= GPY_MAX_LEDS) + return -EINVAL; + + /* All combinations of the supported triggers are allowed */ + if (rules & ~supported_triggers) + return -EOPNOTSUPP; + + return 0; +} + +static int gpy_led_hw_control_get(struct phy_device *phydev, u8 index, + unsigned long *rules) +{ + int val; + + if (index >= GPY_MAX_LEDS) + return -EINVAL; + + val = phy_read_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_LED(index)); + if (val < 0) + return val; + + if (FIELD_GET(VSPEC1_LED_CON, val) & VSPEC1_LED_LINK10) + *rules |= BIT(TRIGGER_NETDEV_LINK_10); + + if (FIELD_GET(VSPEC1_LED_CON, val) & VSPEC1_LED_LINK100) + *rules |= BIT(TRIGGER_NETDEV_LINK_100); + + if (FIELD_GET(VSPEC1_LED_CON, val) & VSPEC1_LED_LINK1000) + *rules |= BIT(TRIGGER_NETDEV_LINK_1000); + + if (FIELD_GET(VSPEC1_LED_CON, val) & VSPEC1_LED_LINK2500) + *rules |= BIT(TRIGGER_NETDEV_LINK_2500); + + if (FIELD_GET(VSPEC1_LED_CON, val) == (VSPEC1_LED_LINK10 | + VSPEC1_LED_LINK100 | + VSPEC1_LED_LINK1000 | + VSPEC1_LED_LINK2500)) + *rules |= BIT(TRIGGER_NETDEV_LINK); + + if (FIELD_GET(VSPEC1_LED_PULSE, val) & VSPEC1_LED_TXACT) + *rules |= BIT(TRIGGER_NETDEV_TX); + + if (FIELD_GET(VSPEC1_LED_PULSE, val) & VSPEC1_LED_RXACT) + *rules |= BIT(TRIGGER_NETDEV_RX); + + return 0; +} + +static int gpy_led_hw_control_set(struct phy_device *phydev, u8 index, + unsigned long rules) +{ + u16 val = 0; + int ret; + + if (index >= GPY_MAX_LEDS) + return -EINVAL; + + if (rules & BIT(TRIGGER_NETDEV_LINK) || + rules & BIT(TRIGGER_NETDEV_LINK_10)) + val |= FIELD_PREP(VSPEC1_LED_CON, VSPEC1_LED_LINK10); + + if (rules & BIT(TRIGGER_NETDEV_LINK) || + rules & BIT(TRIGGER_NETDEV_LINK_100)) + val |= FIELD_PREP(VSPEC1_LED_CON, VSPEC1_LED_LINK100); + + if (rules & BIT(TRIGGER_NETDEV_LINK) || + rules & BIT(TRIGGER_NETDEV_LINK_1000)) + val |= FIELD_PREP(VSPEC1_LED_CON, VSPEC1_LED_LINK1000); + + if (rules & BIT(TRIGGER_NETDEV_LINK) || + rules & BIT(TRIGGER_NETDEV_LINK_2500)) + val |= FIELD_PREP(VSPEC1_LED_CON, VSPEC1_LED_LINK2500); + + if (rules & BIT(TRIGGER_NETDEV_TX)) + val |= FIELD_PREP(VSPEC1_LED_PULSE, VSPEC1_LED_TXACT); + + if (rules & BIT(TRIGGER_NETDEV_RX)) + val |= FIELD_PREP(VSPEC1_LED_PULSE, VSPEC1_LED_RXACT); + + /* allow RX/TX pulse without link indication */ + if ((rules & BIT(TRIGGER_NETDEV_TX) || rules & BIT(TRIGGER_NETDEV_RX)) && + !(val & VSPEC1_LED_CON)) + val |= FIELD_PREP(VSPEC1_LED_PULSE, VSPEC1_LED_NO_CON) | VSPEC1_LED_CON; + + ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_LED(index), val); + if (ret) + return ret; + + return phy_set_bits(phydev, PHY_LED, PHY_LED_HWCONTROL(index)); +} + +static int gpy_led_polarity_set(struct phy_device *phydev, int index, + unsigned long modes) +{ + bool force_active_low = false, force_active_high = false; + u32 mode; + + if (index >= GPY_MAX_LEDS) + return -EINVAL; + + for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) { + switch (mode) { + case PHY_LED_ACTIVE_LOW: + force_active_low = true; + break; + case PHY_LED_ACTIVE_HIGH: + force_active_high = true; + break; + default: + return -EINVAL; + } + } + + if (force_active_low) + return phy_set_bits(phydev, PHY_LED, PHY_LED_POLARITY(index)); + + if (force_active_high) + return phy_clear_bits(phydev, PHY_LED, PHY_LED_POLARITY(index)); + + return -EINVAL; } static struct phy_driver gpy_drivers[] = { @@ -529,6 +1077,11 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { .phy_id = PHY_ID_GPY115B, @@ -547,6 +1100,11 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy115_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY115C), @@ -564,13 +1122,18 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy115_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { .phy_id = PHY_ID_GPY211B, .phy_id_mask = PHY_ID_GPY21xB_MASK, .name = "Maxlinear Ethernet GPY211B", .get_features = genphy_c45_pma_read_abilities, - .config_init = gpy_config_init, + .config_init = gpy21x_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, @@ -582,12 +1145,17 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY211C), .name = "Maxlinear Ethernet GPY211C", .get_features = genphy_c45_pma_read_abilities, - .config_init = gpy_config_init, + .config_init = gpy21x_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, @@ -599,13 +1167,18 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { .phy_id = PHY_ID_GPY212B, .phy_id_mask = PHY_ID_GPY21xB_MASK, .name = "Maxlinear Ethernet GPY212B", .get_features = genphy_c45_pma_read_abilities, - .config_init = gpy_config_init, + .config_init = gpy21x_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, @@ -617,12 +1190,17 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY212C), .name = "Maxlinear Ethernet GPY212C", .get_features = genphy_c45_pma_read_abilities, - .config_init = gpy_config_init, + .config_init = gpy21x_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, @@ -634,13 +1212,18 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { .phy_id = PHY_ID_GPY215B, .phy_id_mask = PHY_ID_GPYx15B_MASK, .name = "Maxlinear Ethernet GPY215B", .get_features = genphy_c45_pma_read_abilities, - .config_init = gpy_config_init, + .config_init = gpy21x_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, @@ -652,12 +1235,17 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY215C), .name = "Maxlinear Ethernet GPY215C", .get_features = genphy_c45_pma_read_abilities, - .config_init = gpy_config_init, + .config_init = gpy21x_config_init, .probe = gpy_probe, .suspend = genphy_suspend, .resume = genphy_resume, @@ -669,6 +1257,11 @@ static struct phy_driver gpy_drivers[] = { .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY241B), @@ -721,10 +1314,76 @@ static struct phy_driver gpy_drivers[] = { .get_wol = gpy_get_wol, .set_loopback = gpy_loopback, }, + { + PHY_ID_MATCH_MODEL(PHY_ID_MXL86211C), + .name = "Maxlinear Ethernet MxL86211C", + .get_features = genphy_c45_pma_read_abilities, + .config_init = gpy_config_init, + .probe = gpy_probe, + .suspend = genphy_suspend, + .resume = genphy_resume, + .config_aneg = gpy_config_aneg, + .aneg_done = genphy_c45_aneg_done, + .read_status = gpy_read_status, + .config_intr = gpy_config_intr, + .handle_interrupt = gpy_handle_interrupt, + .set_wol = gpy_set_wol, + .get_wol = gpy_get_wol, + .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, + }, + { + PHY_ID_MATCH_MODEL(PHY_ID_MXL86252), + .name = "MaxLinear Ethernet MxL86252", + .get_features = genphy_c45_pma_read_abilities, + .config_init = gpy_config_init, + .probe = gpy_probe, + .suspend = genphy_suspend, + .resume = genphy_resume, + .config_aneg = gpy_config_aneg, + .aneg_done = genphy_c45_aneg_done, + .read_status = gpy_read_status, + .config_intr = gpy_config_intr, + .handle_interrupt = gpy_handle_interrupt, + .set_wol = gpy_set_wol, + .get_wol = gpy_get_wol, + .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, + }, + { + PHY_ID_MATCH_MODEL(PHY_ID_MXL86282), + .name = "MaxLinear Ethernet MxL86282", + .get_features = genphy_c45_pma_read_abilities, + .config_init = gpy_config_init, + .probe = gpy_probe, + .suspend = genphy_suspend, + .resume = genphy_resume, + .config_aneg = gpy_config_aneg, + .aneg_done = genphy_c45_aneg_done, + .read_status = gpy_read_status, + .config_intr = gpy_config_intr, + .handle_interrupt = gpy_handle_interrupt, + .set_wol = gpy_set_wol, + .get_wol = gpy_get_wol, + .set_loopback = gpy_loopback, + .led_brightness_set = gpy_led_brightness_set, + .led_hw_is_supported = gpy_led_hw_is_supported, + .led_hw_control_get = gpy_led_hw_control_get, + .led_hw_control_set = gpy_led_hw_control_set, + .led_polarity_set = gpy_led_polarity_set, + }, }; module_phy_driver(gpy_drivers); -static struct mdio_device_id __maybe_unused gpy_tbl[] = { +static const struct mdio_device_id __maybe_unused gpy_tbl[] = { {PHY_ID_MATCH_MODEL(PHY_ID_GPY2xx)}, {PHY_ID_GPY115B, PHY_ID_GPYx15B_MASK}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY115C)}, @@ -737,6 +1396,9 @@ static struct mdio_device_id __maybe_unused gpy_tbl[] = { {PHY_ID_MATCH_MODEL(PHY_ID_GPY241B)}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY241BM)}, {PHY_ID_MATCH_MODEL(PHY_ID_GPY245B)}, + {PHY_ID_MATCH_MODEL(PHY_ID_MXL86211C)}, + {PHY_ID_MATCH_MODEL(PHY_ID_MXL86252)}, + {PHY_ID_MATCH_MODEL(PHY_ID_MXL86282)}, { } }; MODULE_DEVICE_TABLE(mdio, gpy_tbl); |