diff options
Diffstat (limited to 'drivers/net/phy/intel-xway.c')
| -rw-r--r-- | drivers/net/phy/intel-xway.c | 253 |
1 files changed, 244 insertions, 9 deletions
diff --git a/drivers/net/phy/intel-xway.c b/drivers/net/phy/intel-xway.c index 3c032868ef04..b672c55a7a4e 100644 --- a/drivers/net/phy/intel-xway.c +++ b/drivers/net/phy/intel-xway.c @@ -151,6 +151,13 @@ #define XWAY_MMD_LED3H 0x01E8 #define XWAY_MMD_LED3L 0x01E9 +#define XWAY_GPHY_MAX_LEDS 3 +#define XWAY_GPHY_LED_INV(idx) BIT(12 + (idx)) +#define XWAY_GPHY_LED_EN(idx) BIT(8 + (idx)) +#define XWAY_GPHY_LED_DA(idx) BIT(idx) +#define XWAY_MMD_LEDxH(idx) (XWAY_MMD_LED0H + 2 * (idx)) +#define XWAY_MMD_LEDxL(idx) (XWAY_MMD_LED0L + 2 * (idx)) + #define PHY_ID_PHY11G_1_3 0x030260D1 #define PHY_ID_PHY22F_1_3 0x030260E1 #define PHY_ID_PHY11G_1_4 0xD565A400 @@ -229,20 +236,12 @@ static int xway_gphy_rgmii_init(struct phy_device *phydev) XWAY_MDIO_MIICTRL_TXSKEW_MASK, val); } -static int xway_gphy_config_init(struct phy_device *phydev) +static int xway_gphy_init_leds(struct phy_device *phydev) { int err; u32 ledxh; u32 ledxl; - /* Mask all interrupts */ - err = phy_write(phydev, XWAY_MDIO_IMASK, 0); - if (err) - return err; - - /* Clear all pending interrupts */ - phy_read(phydev, XWAY_MDIO_ISTAT); - /* Ensure that integrated led function is enabled for all leds */ err = phy_write(phydev, XWAY_MDIO_LED, XWAY_MDIO_LED_LED0_EN | @@ -276,6 +275,26 @@ static int xway_gphy_config_init(struct phy_device *phydev) phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2H, ledxh); phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2L, ledxl); + return 0; +} + +static int xway_gphy_config_init(struct phy_device *phydev) +{ + struct device_node *np = phydev->mdio.dev.of_node; + int err; + + /* Mask all interrupts */ + err = phy_write(phydev, XWAY_MDIO_IMASK, 0); + if (err) + return err; + + /* Use default LED configuration if 'leds' node isn't defined */ + if (!of_get_child_by_name(np, "leds")) + xway_gphy_init_leds(phydev); + + /* Clear all pending interrupts */ + phy_read(phydev, XWAY_MDIO_ISTAT); + err = xway_gphy_rgmii_init(phydev); if (err) return err; @@ -347,6 +366,172 @@ static irqreturn_t xway_gphy_handle_interrupt(struct phy_device *phydev) return IRQ_HANDLED; } +static int xway_gphy_led_brightness_set(struct phy_device *phydev, + u8 index, enum led_brightness value) +{ + int ret; + + if (index >= XWAY_GPHY_MAX_LEDS) + return -EINVAL; + + /* clear EN and set manual LED state */ + ret = phy_modify(phydev, XWAY_MDIO_LED, + ((value == LED_OFF) ? XWAY_GPHY_LED_EN(index) : 0) | + XWAY_GPHY_LED_DA(index), + (value == LED_OFF) ? 0 : XWAY_GPHY_LED_DA(index)); + if (ret) + return ret; + + /* clear HW LED setup */ + if (value == LED_OFF) { + ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxH(index), 0); + if (ret) + return ret; + + return phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxL(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_RX) | + BIT(TRIGGER_NETDEV_TX)); + +static int xway_gphy_led_hw_is_supported(struct phy_device *phydev, u8 index, + unsigned long rules) +{ + if (index >= XWAY_GPHY_MAX_LEDS) + return -EINVAL; + + /* activity triggers are not possible without combination with a link + * trigger. + */ + if (rules & (BIT(TRIGGER_NETDEV_RX) | BIT(TRIGGER_NETDEV_TX)) && + !(rules & (BIT(TRIGGER_NETDEV_LINK) | + BIT(TRIGGER_NETDEV_LINK_10) | + BIT(TRIGGER_NETDEV_LINK_100) | + BIT(TRIGGER_NETDEV_LINK_1000)))) + return -EOPNOTSUPP; + + /* All other combinations of the supported triggers are allowed */ + if (rules & ~supported_triggers) + return -EOPNOTSUPP; + + return 0; +} + +static int xway_gphy_led_hw_control_get(struct phy_device *phydev, u8 index, + unsigned long *rules) +{ + int lval, hval; + + if (index >= XWAY_GPHY_MAX_LEDS) + return -EINVAL; + + hval = phy_read_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxH(index)); + if (hval < 0) + return hval; + + lval = phy_read_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxL(index)); + if (lval < 0) + return lval; + + if (hval & XWAY_MMD_LEDxH_CON_LINK10) + *rules |= BIT(TRIGGER_NETDEV_LINK_10); + + if (hval & XWAY_MMD_LEDxH_CON_LINK100) + *rules |= BIT(TRIGGER_NETDEV_LINK_100); + + if (hval & XWAY_MMD_LEDxH_CON_LINK1000) + *rules |= BIT(TRIGGER_NETDEV_LINK_1000); + + if ((hval & XWAY_MMD_LEDxH_CON_LINK10) && + (hval & XWAY_MMD_LEDxH_CON_LINK100) && + (hval & XWAY_MMD_LEDxH_CON_LINK1000)) + *rules |= BIT(TRIGGER_NETDEV_LINK); + + if (lval & XWAY_MMD_LEDxL_PULSE_TXACT) + *rules |= BIT(TRIGGER_NETDEV_TX); + + if (lval & XWAY_MMD_LEDxL_PULSE_RXACT) + *rules |= BIT(TRIGGER_NETDEV_RX); + + return 0; +} + +static int xway_gphy_led_hw_control_set(struct phy_device *phydev, u8 index, + unsigned long rules) +{ + u16 hval = 0, lval = 0; + int ret; + + if (index >= XWAY_GPHY_MAX_LEDS) + return -EINVAL; + + if (rules & BIT(TRIGGER_NETDEV_LINK) || + rules & BIT(TRIGGER_NETDEV_LINK_10)) + hval |= XWAY_MMD_LEDxH_CON_LINK10; + + if (rules & BIT(TRIGGER_NETDEV_LINK) || + rules & BIT(TRIGGER_NETDEV_LINK_100)) + hval |= XWAY_MMD_LEDxH_CON_LINK100; + + if (rules & BIT(TRIGGER_NETDEV_LINK) || + rules & BIT(TRIGGER_NETDEV_LINK_1000)) + hval |= XWAY_MMD_LEDxH_CON_LINK1000; + + if (rules & BIT(TRIGGER_NETDEV_TX)) + lval |= XWAY_MMD_LEDxL_PULSE_TXACT; + + if (rules & BIT(TRIGGER_NETDEV_RX)) + lval |= XWAY_MMD_LEDxL_PULSE_RXACT; + + ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxH(index), hval); + if (ret) + return ret; + + ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxL(index), lval); + if (ret) + return ret; + + return phy_set_bits(phydev, XWAY_MDIO_LED, XWAY_GPHY_LED_EN(index)); +} + +static int xway_gphy_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 >= XWAY_GPHY_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, XWAY_MDIO_LED, XWAY_GPHY_LED_INV(index)); + + if (force_active_high) + return phy_clear_bits(phydev, XWAY_MDIO_LED, XWAY_GPHY_LED_INV(index)); + + unreachable(); +} + static struct phy_driver xway_gphy[] = { { .phy_id = PHY_ID_PHY11G_1_3, @@ -359,6 +544,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY22F_1_3, .phy_id_mask = 0xffffffff, @@ -370,6 +560,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY11G_1_4, .phy_id_mask = 0xffffffff, @@ -381,6 +576,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY22F_1_4, .phy_id_mask = 0xffffffff, @@ -392,6 +592,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY11G_1_5, .phy_id_mask = 0xffffffff, @@ -402,6 +607,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY22F_1_5, .phy_id_mask = 0xffffffff, @@ -412,6 +622,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY11G_VR9_1_1, .phy_id_mask = 0xffffffff, @@ -422,6 +637,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY22F_VR9_1_1, .phy_id_mask = 0xffffffff, @@ -432,6 +652,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY11G_VR9_1_2, .phy_id_mask = 0xffffffff, @@ -442,6 +667,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, { .phy_id = PHY_ID_PHY22F_VR9_1_2, .phy_id_mask = 0xffffffff, @@ -452,6 +682,11 @@ static struct phy_driver xway_gphy[] = { .config_intr = xway_gphy_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .led_brightness_set = xway_gphy_led_brightness_set, + .led_hw_is_supported = xway_gphy_led_hw_is_supported, + .led_hw_control_get = xway_gphy_led_hw_control_get, + .led_hw_control_set = xway_gphy_led_hw_control_set, + .led_polarity_set = xway_gphy_led_polarity_set, }, }; module_phy_driver(xway_gphy); |