diff options
Diffstat (limited to 'drivers/net/phy')
-rw-r--r-- | drivers/net/phy/Kconfig | 6 | ||||
-rw-r--r-- | drivers/net/phy/bcm7xxx.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/dp83640.c | 5 | ||||
-rw-r--r-- | drivers/net/phy/dp83tc811.c | 46 | ||||
-rw-r--r-- | drivers/net/phy/fixed_phy.c | 7 | ||||
-rw-r--r-- | drivers/net/phy/marvell.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/mdio-mux-bcm-iproc.c | 108 | ||||
-rw-r--r-- | drivers/net/phy/mdio-mux-gpio.c | 22 | ||||
-rw-r--r-- | drivers/net/phy/mscc.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/phy.c | 105 | ||||
-rw-r--r-- | drivers/net/phy/phy_device.c | 8 | ||||
-rw-r--r-- | drivers/net/phy/phylink.c | 30 | ||||
-rw-r--r-- | drivers/net/phy/realtek.c | 80 | ||||
-rw-r--r-- | drivers/net/phy/sfp.c | 803 | ||||
-rw-r--r-- | drivers/net/phy/vitesse.c | 175 | ||||
-rw-r--r-- | drivers/net/phy/xilinx_gmii2rgmii.c | 20 |
16 files changed, 1364 insertions, 57 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 343989f9f9d9..82070792edbb 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -28,7 +28,7 @@ config MDIO_BCM_IPROC config MDIO_BCM_UNIMAC tristate "Broadcom UniMAC MDIO bus controller" - depends on HAS_IOMEM && OF_MDIO + depends on HAS_IOMEM help This module provides a driver for the Broadcom UniMAC MDIO busses. This hardware can be found in the Broadcom GENET Ethernet MAC @@ -92,7 +92,8 @@ config MDIO_CAVIUM config MDIO_GPIO tristate "GPIO lib-based bitbanged MDIO buses" - depends on MDIO_BITBANG && GPIOLIB + depends on MDIO_BITBANG + depends on GPIOLIB || COMPILE_TEST ---help--- Supports GPIO lib-based MDIO busses. @@ -213,6 +214,7 @@ comment "MII PHY device drivers" config SFP tristate "SFP cage support" depends on I2C && PHYLINK + depends on HWMON || HWMON=n select MDIO_I2C config AMD_PHY diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index 01d2ff2f6241..b2b6307d64a4 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -229,6 +229,7 @@ static int bcm7xxx_28nm_config_init(struct phy_device *phydev) phy_read(phydev, MII_BMSR); switch (rev) { + case 0xa0: case 0xb0: ret = bcm7xxx_28nm_b0_afe_config_init(phydev); break; @@ -659,6 +660,7 @@ static struct phy_driver bcm7xxx_driver[] = { BCM7XXX_28NM_GPHY(PHY_ID_BCM7439, "Broadcom BCM7439"), BCM7XXX_28NM_GPHY(PHY_ID_BCM7439_2, "Broadcom BCM7439 (2)"), BCM7XXX_28NM_GPHY(PHY_ID_BCM7445, "Broadcom BCM7445"), + BCM7XXX_28NM_GPHY(PHY_ID_BCM_OMEGA, "Broadcom Omega Combo GPHY"), BCM7XXX_40NM_EPHY(PHY_ID_BCM7346, "Broadcom BCM7346"), BCM7XXX_40NM_EPHY(PHY_ID_BCM7362, "Broadcom BCM7362"), BCM7XXX_40NM_EPHY(PHY_ID_BCM7425, "Broadcom BCM7425"), diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 79e9b103188b..29aa8d772b0c 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -757,13 +757,16 @@ static int decode_evnt(struct dp83640_private *dp83640, phy_txts = data; - switch (words) { /* fall through in every case */ + switch (words) { case 3: dp83640->edata.sec_hi = phy_txts->sec_hi; + /* fall through */ case 2: dp83640->edata.sec_lo = phy_txts->sec_lo; + /* fall through */ case 1: dp83640->edata.ns_hi = phy_txts->ns_hi; + /* fall through */ case 0: dp83640->edata.ns_lo = phy_txts->ns_lo; } diff --git a/drivers/net/phy/dp83tc811.c b/drivers/net/phy/dp83tc811.c index 49ac678eb2dc..78cad134a79e 100644 --- a/drivers/net/phy/dp83tc811.c +++ b/drivers/net/phy/dp83tc811.c @@ -21,6 +21,7 @@ #define MII_DP83811_SGMII_CTRL 0x09 #define MII_DP83811_INT_STAT1 0x12 #define MII_DP83811_INT_STAT2 0x13 +#define MII_DP83811_INT_STAT3 0x18 #define MII_DP83811_RESET_CTRL 0x1f #define DP83811_HW_RESET BIT(15) @@ -44,6 +45,11 @@ #define DP83811_OVERVOLTAGE_INT_EN BIT(6) #define DP83811_UNDERVOLTAGE_INT_EN BIT(7) +/* INT_STAT3 bits */ +#define DP83811_LPS_INT_EN BIT(0) +#define DP83811_NO_FRAME_INT_EN BIT(3) +#define DP83811_POR_DONE_INT_EN BIT(4) + #define MII_DP83811_RXSOP1 0x04a5 #define MII_DP83811_RXSOP2 0x04a6 #define MII_DP83811_RXSOP3 0x04a7 @@ -81,6 +87,10 @@ static int dp83811_ack_interrupt(struct phy_device *phydev) if (err < 0) return err; + err = phy_read(phydev, MII_DP83811_INT_STAT3); + if (err < 0) + return err; + return 0; } @@ -216,6 +226,18 @@ static int dp83811_config_intr(struct phy_device *phydev) DP83811_UNDERVOLTAGE_INT_EN); err = phy_write(phydev, MII_DP83811_INT_STAT2, misr_status); + if (err < 0) + return err; + + misr_status = phy_read(phydev, MII_DP83811_INT_STAT3); + if (misr_status < 0) + return misr_status; + + misr_status |= (DP83811_LPS_INT_EN | + DP83811_NO_FRAME_INT_EN | + DP83811_POR_DONE_INT_EN); + + err = phy_write(phydev, MII_DP83811_INT_STAT3, misr_status); } else { err = phy_write(phydev, MII_DP83811_INT_STAT1, 0); @@ -223,6 +245,10 @@ static int dp83811_config_intr(struct phy_device *phydev) return err; err = phy_write(phydev, MII_DP83811_INT_STAT2, 0); + if (err < 0) + return err; + + err = phy_write(phydev, MII_DP83811_INT_STAT3, 0); } return err; @@ -258,21 +284,19 @@ static int dp83811_config_init(struct phy_device *phydev) if (err < 0) return err; + value = phy_read(phydev, MII_DP83811_SGMII_CTRL); if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { - value = phy_read(phydev, MII_DP83811_SGMII_CTRL); - if (!(value & DP83811_SGMII_EN)) { - err = phy_write(phydev, MII_DP83811_SGMII_CTRL, + err = phy_write(phydev, MII_DP83811_SGMII_CTRL, (DP83811_SGMII_EN | value)); - if (err < 0) - return err; - } else { - err = phy_write(phydev, MII_DP83811_SGMII_CTRL, - (~DP83811_SGMII_EN & value)); - if (err < 0) - return err; - } + } else { + err = phy_write(phydev, MII_DP83811_SGMII_CTRL, + (~DP83811_SGMII_EN & value)); } + if (err < 0) + + return err; + value = DP83811_WOL_MAGIC_EN | DP83811_WOL_SECURE_ON | DP83811_WOL_EN; return phy_write_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_CFG, diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index 001fe1df7557..67b260877f30 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -259,10 +259,8 @@ static int __init fixed_mdio_bus_init(void) int ret; pdev = platform_device_register_simple("Fixed MDIO bus", 0, NULL, 0); - if (IS_ERR(pdev)) { - ret = PTR_ERR(pdev); - goto err_pdev; - } + if (IS_ERR(pdev)) + return PTR_ERR(pdev); fmb->mii_bus = mdiobus_alloc(); if (fmb->mii_bus == NULL) { @@ -287,7 +285,6 @@ err_mdiobus_alloc: mdiobus_free(fmb->mii_bus); err_mdiobus_reg: platform_device_unregister(pdev); -err_pdev: return ret; } module_init(fixed_mdio_bus_init); diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 1cd439bdf608..f7c69ca34056 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -679,7 +679,7 @@ static int m88e1116r_config_init(struct phy_device *phydev) if (err < 0) return err; - mdelay(500); + msleep(500); err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c index 0c5b68e7da51..c017486e9b86 100644 --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c @@ -13,7 +13,7 @@ * You should have received a copy of the GNU General Public License * version 2 (GPLv2) along with this source code. */ - +#include <linux/clk.h> #include <linux/platform_device.h> #include <linux/device.h> #include <linux/of_mdio.h> @@ -22,7 +22,14 @@ #include <linux/mdio-mux.h> #include <linux/delay.h> -#define MDIO_PARAM_OFFSET 0x00 +#define MDIO_RATE_ADJ_EXT_OFFSET 0x000 +#define MDIO_RATE_ADJ_INT_OFFSET 0x004 +#define MDIO_RATE_ADJ_DIVIDENT_SHIFT 16 + +#define MDIO_SCAN_CTRL_OFFSET 0x008 +#define MDIO_SCAN_CTRL_OVRIDE_EXT_MSTR 28 + +#define MDIO_PARAM_OFFSET 0x23c #define MDIO_PARAM_MIIM_CYCLE 29 #define MDIO_PARAM_INTERNAL_SEL 25 #define MDIO_PARAM_BUS_ID 22 @@ -30,27 +37,56 @@ #define MDIO_PARAM_PHY_ID 16 #define MDIO_PARAM_PHY_DATA 0 -#define MDIO_READ_OFFSET 0x04 +#define MDIO_READ_OFFSET 0x240 #define MDIO_READ_DATA_MASK 0xffff -#define MDIO_ADDR_OFFSET 0x08 +#define MDIO_ADDR_OFFSET 0x244 -#define MDIO_CTRL_OFFSET 0x0C +#define MDIO_CTRL_OFFSET 0x248 #define MDIO_CTRL_WRITE_OP 0x1 #define MDIO_CTRL_READ_OP 0x2 -#define MDIO_STAT_OFFSET 0x10 +#define MDIO_STAT_OFFSET 0x24c #define MDIO_STAT_DONE 1 #define BUS_MAX_ADDR 32 #define EXT_BUS_START_ADDR 16 +#define MDIO_REG_ADDR_SPACE_SIZE 0x250 + +#define MDIO_OPERATING_FREQUENCY 11000000 +#define MDIO_RATE_ADJ_DIVIDENT 1 + struct iproc_mdiomux_desc { void *mux_handle; void __iomem *base; struct device *dev; struct mii_bus *mii_bus; + struct clk *core_clk; }; +static void mdio_mux_iproc_config(struct iproc_mdiomux_desc *md) +{ + u32 divisor; + u32 val; + + /* Disable external mdio master access */ + val = readl(md->base + MDIO_SCAN_CTRL_OFFSET); + val |= BIT(MDIO_SCAN_CTRL_OVRIDE_EXT_MSTR); + writel(val, md->base + MDIO_SCAN_CTRL_OFFSET); + + if (md->core_clk) { + /* use rate adjust regs to derrive the mdio's operating + * frequency from the specified core clock + */ + divisor = clk_get_rate(md->core_clk) / MDIO_OPERATING_FREQUENCY; + divisor = divisor / (MDIO_RATE_ADJ_DIVIDENT + 1); + val = divisor; + val |= MDIO_RATE_ADJ_DIVIDENT << MDIO_RATE_ADJ_DIVIDENT_SHIFT; + writel(val, md->base + MDIO_RATE_ADJ_EXT_OFFSET); + writel(val, md->base + MDIO_RATE_ADJ_INT_OFFSET); + } +} + static int iproc_mdio_wait_for_idle(void __iomem *base, bool result) { unsigned int timeout = 1000; /* loop for 1s */ @@ -169,18 +205,39 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) md->dev = &pdev->dev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res->start & 0xfff) { + /* For backward compatibility in case the + * base address is specified with an offset. + */ + dev_info(&pdev->dev, "fix base address in dt-blob\n"); + res->start &= ~0xfff; + res->end = res->start + MDIO_REG_ADDR_SPACE_SIZE - 1; + } md->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(md->base)) { dev_err(&pdev->dev, "failed to ioremap register\n"); return PTR_ERR(md->base); } - md->mii_bus = mdiobus_alloc(); + md->mii_bus = devm_mdiobus_alloc(&pdev->dev); if (!md->mii_bus) { dev_err(&pdev->dev, "mdiomux bus alloc failed\n"); return -ENOMEM; } + md->core_clk = devm_clk_get(&pdev->dev, NULL); + if (md->core_clk == ERR_PTR(-ENOENT) || + md->core_clk == ERR_PTR(-EINVAL)) + md->core_clk = NULL; + else if (IS_ERR(md->core_clk)) + return PTR_ERR(md->core_clk); + + rc = clk_prepare_enable(md->core_clk); + if (rc) { + dev_err(&pdev->dev, "failed to enable core clk\n"); + return rc; + } + bus = md->mii_bus; bus->priv = md; bus->name = "iProc MDIO mux bus"; @@ -194,7 +251,7 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) rc = mdiobus_register(bus); if (rc) { dev_err(&pdev->dev, "mdiomux registration failed\n"); - goto out; + goto out_clk; } platform_set_drvdata(pdev, md); @@ -206,13 +263,15 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) goto out_register; } + mdio_mux_iproc_config(md); + dev_info(md->dev, "iProc mdiomux registered\n"); return 0; out_register: mdiobus_unregister(bus); -out: - mdiobus_free(bus); +out_clk: + clk_disable_unprepare(md->core_clk); return rc; } @@ -222,11 +281,37 @@ static int mdio_mux_iproc_remove(struct platform_device *pdev) mdio_mux_uninit(md->mux_handle); mdiobus_unregister(md->mii_bus); - mdiobus_free(md->mii_bus); + clk_disable_unprepare(md->core_clk); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int mdio_mux_iproc_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev); + + clk_disable_unprepare(md->core_clk); return 0; } +static int mdio_mux_iproc_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev); + + clk_prepare_enable(md->core_clk); + mdio_mux_iproc_config(md); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(mdio_mux_iproc_pm_ops, + mdio_mux_iproc_suspend, mdio_mux_iproc_resume); + static const struct of_device_id mdio_mux_iproc_match[] = { { .compatible = "brcm,mdio-mux-iproc", @@ -239,6 +324,7 @@ static struct platform_driver mdiomux_iproc_driver = { .driver = { .name = "mdio-mux-iproc", .of_match_table = mdio_mux_iproc_match, + .pm = &mdio_mux_iproc_pm_ops, }, .probe = mdio_mux_iproc_probe, .remove = mdio_mux_iproc_remove, diff --git a/drivers/net/phy/mdio-mux-gpio.c b/drivers/net/phy/mdio-mux-gpio.c index 082ffef0dec4..bc90764a8b8d 100644 --- a/drivers/net/phy/mdio-mux-gpio.c +++ b/drivers/net/phy/mdio-mux-gpio.c @@ -20,23 +20,23 @@ struct mdio_mux_gpio_state { struct gpio_descs *gpios; void *mux_handle; + int values[]; }; static int mdio_mux_gpio_switch_fn(int current_child, int desired_child, void *data) { struct mdio_mux_gpio_state *s = data; - int values[s->gpios->ndescs]; unsigned int n; if (current_child == desired_child) return 0; for (n = 0; n < s->gpios->ndescs; n++) - values[n] = (desired_child >> n) & 1; + s->values[n] = (desired_child >> n) & 1; gpiod_set_array_value_cansleep(s->gpios->ndescs, s->gpios->desc, - values); + s->values); return 0; } @@ -44,15 +44,21 @@ static int mdio_mux_gpio_switch_fn(int current_child, int desired_child, static int mdio_mux_gpio_probe(struct platform_device *pdev) { struct mdio_mux_gpio_state *s; + struct gpio_descs *gpios; int r; - s = devm_kzalloc(&pdev->dev, sizeof(*s), GFP_KERNEL); - if (!s) + gpios = gpiod_get_array(&pdev->dev, NULL, GPIOD_OUT_LOW); + if (IS_ERR(gpios)) + return PTR_ERR(gpios); + + s = devm_kzalloc(&pdev->dev, struct_size(s, values, gpios->ndescs), + GFP_KERNEL); + if (!s) { + gpiod_put_array(gpios); return -ENOMEM; + } - s->gpios = gpiod_get_array(&pdev->dev, NULL, GPIOD_OUT_LOW); - if (IS_ERR(s->gpios)) - return PTR_ERR(s->gpios); + s->gpios = gpios; r = mdio_mux_init(&pdev->dev, pdev->dev.of_node, mdio_mux_gpio_switch_fn, &s->mux_handle, s, NULL); diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c index 650c2667d523..84ca9ff40ae0 100644 --- a/drivers/net/phy/mscc.c +++ b/drivers/net/phy/mscc.c @@ -123,7 +123,7 @@ static const struct vsc8531_edge_rate_table edge_table[] = { }; #endif /* CONFIG_OF_MDIO */ -static int vsc85xx_phy_page_set(struct phy_device *phydev, u8 page) +static int vsc85xx_phy_page_set(struct phy_device *phydev, u16 page) { int rc; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 6c9b24fe3148..1ee25877c4d1 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -467,6 +467,20 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) } EXPORT_SYMBOL(phy_mii_ioctl); +static int phy_config_aneg(struct phy_device *phydev) +{ + if (phydev->drv->config_aneg) + return phydev->drv->config_aneg(phydev); + + /* Clause 45 PHYs that don't implement Clause 22 registers are not + * allowed to call genphy_config_aneg() + */ + if (phydev->is_c45 && !(phydev->c45_ids.devices_in_package & BIT(0))) + return -EOPNOTSUPP; + + return genphy_config_aneg(phydev); +} + /** * phy_start_aneg_priv - start auto-negotiation for this PHY device * @phydev: the phy_device struct @@ -493,10 +507,7 @@ static int phy_start_aneg_priv(struct phy_device *phydev, bool sync) /* Invalidate LP advertising flags */ phydev->lp_advertising = 0; - if (phydev->drv->config_aneg) - err = phydev->drv->config_aneg(phydev); - else - err = genphy_config_aneg(phydev); + err = phy_config_aneg(phydev); if (err < 0) goto out_unlock; @@ -514,7 +525,7 @@ static int phy_start_aneg_priv(struct phy_device *phydev, bool sync) * negotiation may already be done and aneg interrupt may not be * generated. */ - if (phydev->irq != PHY_POLL && phydev->state == PHY_AN) { + if (!phy_polling_mode(phydev) && phydev->state == PHY_AN) { err = phy_aneg_done(phydev); if (err > 0) { trigger = true; @@ -546,6 +557,84 @@ int phy_start_aneg(struct phy_device *phydev) } EXPORT_SYMBOL(phy_start_aneg); +static int phy_poll_aneg_done(struct phy_device *phydev) +{ + unsigned int retries = 100; + int ret; + + do { + msleep(100); + ret = phy_aneg_done(phydev); + } while (!ret && --retries); + + if (!ret) + return -ETIMEDOUT; + + return ret < 0 ? ret : 0; +} + +/** + * phy_speed_down - set speed to lowest speed supported by both link partners + * @phydev: the phy_device struct + * @sync: perform action synchronously + * + * Description: Typically used to save energy when waiting for a WoL packet + * + * WARNING: Setting sync to false may cause the system being unable to suspend + * in case the PHY generates an interrupt when finishing the autonegotiation. + * This interrupt may wake up the system immediately after suspend. + * Therefore use sync = false only if you're sure it's safe with the respective + * network chip. + */ +int phy_speed_down(struct phy_device *phydev, bool sync) +{ + u32 adv = phydev->lp_advertising & phydev->supported; + u32 adv_old = phydev->advertising; + int ret; + + if (phydev->autoneg != AUTONEG_ENABLE) + return 0; + + if (adv & PHY_10BT_FEATURES) + phydev->advertising &= ~(PHY_100BT_FEATURES | + PHY_1000BT_FEATURES); + else if (adv & PHY_100BT_FEATURES) + phydev->advertising &= ~PHY_1000BT_FEATURES; + + if (phydev->advertising == adv_old) + return 0; + + ret = phy_config_aneg(phydev); + if (ret) + return ret; + + return sync ? phy_poll_aneg_done(phydev) : 0; +} +EXPORT_SYMBOL_GPL(phy_speed_down); + +/** + * phy_speed_up - (re)set advertised speeds to all supported speeds + * @phydev: the phy_device struct + * + * Description: Used to revert the effect of phy_speed_down + */ +int phy_speed_up(struct phy_device *phydev) +{ + u32 mask = PHY_10BT_FEATURES | PHY_100BT_FEATURES | PHY_1000BT_FEATURES; + u32 adv_old = phydev->advertising; + + if (phydev->autoneg != AUTONEG_ENABLE) + return 0; + + phydev->advertising = (adv_old & ~mask) | (phydev->supported & mask); + + if (phydev->advertising == adv_old) + return 0; + + return phy_config_aneg(phydev); +} +EXPORT_SYMBOL_GPL(phy_speed_up); + /** * phy_start_machine - start PHY state machine tracking * @phydev: the phy_device struct @@ -894,7 +983,7 @@ void phy_state_machine(struct work_struct *work) needs_aneg = true; break; case PHY_NOLINK: - if (phydev->irq != PHY_POLL) + if (!phy_polling_mode(phydev)) break; err = phy_read_status(phydev); @@ -935,7 +1024,7 @@ void phy_state_machine(struct work_struct *work) /* Only register a CHANGE if we are polling and link changed * since latest checking. */ - if (phydev->irq == PHY_POLL) { + if (phy_polling_mode(phydev)) { old_link = phydev->link; err = phy_read_status(phydev); if (err) @@ -1034,7 +1123,7 @@ void phy_state_machine(struct work_struct *work) * PHY, if PHY_IGNORE_INTERRUPT is set, then we will be moving * between states from phy_mac_interrupt() */ - if (phydev->irq == PHY_POLL) + if (phy_polling_mode(phydev)) queue_delayed_work(system_power_efficient_wq, &phydev->state_queue, PHY_STATE_TIME * HZ); } diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index b9f5f40a7ac1..db1172db1e7c 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1555,6 +1555,14 @@ int genphy_read_status(struct phy_device *phydev) if (adv < 0) return adv; + if (lpagb & LPA_1000MSFAIL) { + if (adv & CTL1000_ENABLE_MASTER) + phydev_err(phydev, "Master/Slave resolution failed, maybe conflicting manual settings?\n"); + else + phydev_err(phydev, "Master/Slave resolution failed\n"); + return -ENOLINK; + } + phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb); common_adv_gb = lpagb & adv << 2; diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index af4dc4425be2..3ba5cf2a8a5f 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1688,4 +1688,34 @@ static const struct sfp_upstream_ops sfp_phylink_ops = { .disconnect_phy = phylink_sfp_disconnect_phy, }; +/* Helpers for MAC drivers */ + +/** + * phylink_helper_basex_speed() - 1000BaseX/2500BaseX helper + * @state: a pointer to a &struct phylink_link_state + * + * Inspect the interface mode, advertising mask or forced speed and + * decide whether to run at 2.5Gbit or 1Gbit appropriately, switching + * the interface mode to suit. @state->interface is appropriately + * updated, and the advertising mask has the "other" baseX_Full flag + * cleared. + */ +void phylink_helper_basex_speed(struct phylink_link_state *state) +{ + if (phy_interface_mode_is_8023z(state->interface)) { + bool want_2500 = state->an_enabled ? + phylink_test(state->advertising, 2500baseX_Full) : + state->speed == SPEED_2500; + + if (want_2500) { + phylink_clear(state->advertising, 1000baseX_Full); + state->interface = PHY_INTERFACE_MODE_2500BASEX; + } else { + phylink_clear(state->advertising, 2500baseX_Full); + state->interface = PHY_INTERFACE_MODE_1000BASEX; + } + } +} +EXPORT_SYMBOL_GPL(phylink_helper_basex_speed); + MODULE_LICENSE("GPL"); diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 082fb40c656d..7fc8508b5231 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -37,6 +37,9 @@ #define RTL8201F_ISR 0x1e #define RTL8201F_IER 0x13 +#define RTL8366RB_POWER_SAVE 0x15 +#define RTL8366RB_POWER_SAVE_ON BIT(12) + MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); MODULE_LICENSE("GPL"); @@ -128,6 +131,37 @@ static int rtl8211f_config_intr(struct phy_device *phydev) return phy_write_paged(phydev, 0xa42, RTL821x_INER, val); } +static int rtl8211_config_aneg(struct phy_device *phydev) +{ + int ret; + + ret = genphy_config_aneg(phydev); + if (ret < 0) + return ret; + + /* Quirk was copied from vendor driver. Unfortunately it includes no + * description of the magic numbers. + */ + if (phydev->speed == SPEED_100 && phydev->autoneg == AUTONEG_DISABLE) { + phy_write(phydev, 0x17, 0x2138); + phy_write(phydev, 0x0e, 0x0260); + } else { + phy_write(phydev, 0x17, 0x2108); + phy_write(phydev, 0x0e, 0x0000); + } + + return 0; +} + +static int rtl8211c_config_init(struct phy_device *phydev) +{ + /* RTL8211C has an issue when operating in Gigabit slave mode */ + phy_set_bits(phydev, MII_CTRL1000, + CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER); + + return genphy_config_init(phydev); +} + static int rtl8211f_config_init(struct phy_device *phydev) { int ret; @@ -159,6 +193,24 @@ static int rtl8211b_resume(struct phy_device *phydev) return genphy_resume(phydev); } +static int rtl8366rb_config_init(struct phy_device *phydev) +{ + int ret; + + ret = genphy_config_init(phydev); + if (ret < 0) + return ret; + + ret = phy_set_bits(phydev, RTL8366RB_POWER_SAVE, + RTL8366RB_POWER_SAVE_ON); + if (ret) { + dev_err(&phydev->mdio.dev, + "error enabling power management\n"); + } + + return ret; +} + static struct phy_driver realtek_drvs[] = { { .phy_id = 0x00008201, @@ -179,6 +231,14 @@ static struct phy_driver realtek_drvs[] = { .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { + .phy_id = 0x001cc910, + .name = "RTL8211 Gigabit Ethernet", + .phy_id_mask = 0x001fffff, + .features = PHY_GBIT_FEATURES, + .config_aneg = rtl8211_config_aneg, + .read_mmd = &genphy_read_mmd_unsupported, + .write_mmd = &genphy_write_mmd_unsupported, + }, { .phy_id = 0x001cc912, .name = "RTL8211B Gigabit Ethernet", .phy_id_mask = 0x001fffff, @@ -191,6 +251,14 @@ static struct phy_driver realtek_drvs[] = { .suspend = rtl8211b_suspend, .resume = rtl8211b_resume, }, { + .phy_id = 0x001cc913, + .name = "RTL8211C Gigabit Ethernet", + .phy_id_mask = 0x001fffff, + .features = PHY_GBIT_FEATURES, + .config_init = rtl8211c_config_init, + .read_mmd = &genphy_read_mmd_unsupported, + .write_mmd = &genphy_write_mmd_unsupported, + }, { .phy_id = 0x001cc914, .name = "RTL8211DN Gigabit Ethernet", .phy_id_mask = 0x001fffff, @@ -223,6 +291,15 @@ static struct phy_driver realtek_drvs[] = { .resume = genphy_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, + }, { + .phy_id = 0x001cc961, + .name = "RTL8366RB Gigabit Ethernet", + .phy_id_mask = 0x001fffff, + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_init = &rtl8366rb_config_init, + .suspend = genphy_suspend, + .resume = genphy_resume, }, }; @@ -230,10 +307,13 @@ module_phy_driver(realtek_drvs); static struct mdio_device_id __maybe_unused realtek_tbl[] = { { 0x001cc816, 0x001fffff }, + { 0x001cc910, 0x001fffff }, { 0x001cc912, 0x001fffff }, + { 0x001cc913, 0x001fffff }, { 0x001cc914, 0x001fffff }, { 0x001cc915, 0x001fffff }, { 0x001cc916, 0x001fffff }, + { 0x001cc961, 0x001fffff }, { } }; diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index c4c92db86dfa..4637d980310e 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -1,5 +1,7 @@ +#include <linux/ctype.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> +#include <linux/hwmon.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/jiffies.h> @@ -58,6 +60,69 @@ enum { SFP_S_TX_DISABLE, }; +static const char * const mod_state_strings[] = { + [SFP_MOD_EMPTY] = "empty", + [SFP_MOD_PROBE] = "probe", + [SFP_MOD_HPOWER] = "hpower", + [SFP_MOD_PRESENT] = "present", + [SFP_MOD_ERROR] = "error", +}; + +static const char *mod_state_to_str(unsigned short mod_state) +{ + if (mod_state >= ARRAY_SIZE(mod_state_strings)) + return "Unknown module state"; + return mod_state_strings[mod_state]; +} + +static const char * const dev_state_strings[] = { + [SFP_DEV_DOWN] = "down", + [SFP_DEV_UP] = "up", +}; + +static const char *dev_state_to_str(unsigned short dev_state) +{ + if (dev_state >= ARRAY_SIZE(dev_state_strings)) + return "Unknown device state"; + return dev_state_strings[dev_state]; +} + +static const char * const event_strings[] = { + [SFP_E_INSERT] = "insert", + [SFP_E_REMOVE] = "remove", + [SFP_E_DEV_DOWN] = "dev_down", + [SFP_E_DEV_UP] = "dev_up", + [SFP_E_TX_FAULT] = "tx_fault", + [SFP_E_TX_CLEAR] = "tx_clear", + [SFP_E_LOS_HIGH] = "los_high", + [SFP_E_LOS_LOW] = "los_low", + [SFP_E_TIMEOUT] = "timeout", +}; + +static const char *event_to_str(unsigned short event) +{ + if (event >= ARRAY_SIZE(event_strings)) + return "Unknown event"; + return event_strings[event]; +} + +static const char * const sm_state_strings[] = { + [SFP_S_DOWN] = "down", + [SFP_S_INIT] = "init", + [SFP_S_WAIT_LOS] = "wait_los", + [SFP_S_LINK_UP] = "link_up", + [SFP_S_TX_FAULT] = "tx_fault", + [SFP_S_REINIT] = "reinit", + [SFP_S_TX_DISABLE] = "rx_disable", +}; + +static const char *sm_state_to_str(unsigned short sm_state) +{ + if (sm_state >= ARRAY_SIZE(sm_state_strings)) + return "Unknown state"; + return sm_state_strings[sm_state]; +} + static const char *gpio_of_names[] = { "mod-def0", "los", @@ -131,6 +196,12 @@ struct sfp { unsigned int sm_retries; struct sfp_eeprom_id id; +#if IS_ENABLED(CONFIG_HWMON) + struct sfp_diag diag; + struct device *hwmon_dev; + char *hwmon_name; +#endif + }; static bool sff_module_supported(const struct sfp_eeprom_id *id) @@ -316,6 +387,719 @@ static unsigned int sfp_check(void *buf, size_t len) return check; } +/* hwmon */ +#if IS_ENABLED(CONFIG_HWMON) +static umode_t sfp_hwmon_is_visible(const void *data, + enum hwmon_sensor_types type, + u32 attr, int channel) +{ + const struct sfp *sfp = data; + + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_input: + case hwmon_temp_min_alarm: + case hwmon_temp_max_alarm: + case hwmon_temp_lcrit_alarm: + case hwmon_temp_crit_alarm: + case hwmon_temp_min: + case hwmon_temp_max: + case hwmon_temp_lcrit: + case hwmon_temp_crit: + return 0444; + default: + return 0; + } + case hwmon_in: + switch (attr) { + case hwmon_in_input: + case hwmon_in_min_alarm: + case hwmon_in_max_alarm: + case hwmon_in_lcrit_alarm: + case hwmon_in_crit_alarm: + case hwmon_in_min: + case hwmon_in_max: + case hwmon_in_lcrit: + case hwmon_in_crit: + return 0444; + default: + return 0; + } + case hwmon_curr: + switch (attr) { + case hwmon_curr_input: + case hwmon_curr_min_alarm: + case hwmon_curr_max_alarm: + case hwmon_curr_lcrit_alarm: + case hwmon_curr_crit_alarm: + case hwmon_curr_min: + case hwmon_curr_max: + case hwmon_curr_lcrit: + case hwmon_curr_crit: + return 0444; + default: + return 0; + } + case hwmon_power: + /* External calibration of receive power requires + * floating point arithmetic. Doing that in the kernel + * is not easy, so just skip it. If the module does + * not require external calibration, we can however + * show receiver power, since FP is then not needed. + */ + if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL && + channel == 1) + return 0; + switch (attr) { + case hwmon_power_input: + case hwmon_power_min_alarm: + case hwmon_power_max_alarm: + case hwmon_power_lcrit_alarm: + case hwmon_power_crit_alarm: + case hwmon_power_min: + case hwmon_power_max: + case hwmon_power_lcrit: + case hwmon_power_crit: + return 0444; + default: + return 0; + } + default: + return 0; + } +} + +static int sfp_hwmon_read_sensor(struct sfp *sfp, int reg, long *value) +{ + __be16 val; + int err; + + err = sfp_read(sfp, true, reg, &val, sizeof(val)); + if (err < 0) + return err; + + *value = be16_to_cpu(val); + + return 0; +} + +static void sfp_hwmon_to_rx_power(long *value) +{ + *value = DIV_ROUND_CLOSEST(*value, 100); +} + +static void sfp_hwmon_calibrate(struct sfp *sfp, unsigned int slope, int offset, + long *value) +{ + if (sfp->id.ext.diagmon & SFP_DIAGMON_EXT_CAL) + *value = DIV_ROUND_CLOSEST(*value * slope, 256) + offset; +} + +static void sfp_hwmon_calibrate_temp(struct sfp *sfp, long *value) +{ + sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_t_slope), + be16_to_cpu(sfp->diag.cal_t_offset), value); + + if (*value >= 0x8000) + *value -= 0x10000; + + *value = DIV_ROUND_CLOSEST(*value * 1000, 256); +} + +static void sfp_hwmon_calibrate_vcc(struct sfp *sfp, long *value) +{ + sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_v_slope), + be16_to_cpu(sfp->diag.cal_v_offset), value); + + *value = DIV_ROUND_CLOSEST(*value, 10); +} + +static void sfp_hwmon_calibrate_bias(struct sfp *sfp, long *value) +{ + sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txi_slope), + be16_to_cpu(sfp->diag.cal_txi_offset), value); + + *value = DIV_ROUND_CLOSEST(*value, 500); +} + +static void sfp_hwmon_calibrate_tx_power(struct sfp *sfp, long *value) +{ + sfp_hwmon_calibrate(sfp, be16_to_cpu(sfp->diag.cal_txpwr_slope), + be16_to_cpu(sfp->diag.cal_txpwr_offset), value); + + *value = DIV_ROUND_CLOSEST(*value, 10); +} + +static int sfp_hwmon_read_temp(struct sfp *sfp, int reg, long *value) +{ + int err; + + err = sfp_hwmon_read_sensor(sfp, reg, value); + if (err < 0) + return err; + + sfp_hwmon_calibrate_temp(sfp, value); + + return 0; +} + +static int sfp_hwmon_read_vcc(struct sfp *sfp, int reg, long *value) +{ + int err; + + err = sfp_hwmon_read_sensor(sfp, reg, value); + if (err < 0) + return err; + + sfp_hwmon_calibrate_vcc(sfp, value); + + return 0; +} + +static int sfp_hwmon_read_bias(struct sfp *sfp, int reg, long *value) +{ + int err; + + err = sfp_hwmon_read_sensor(sfp, reg, value); + if (err < 0) + return err; + + sfp_hwmon_calibrate_bias(sfp, value); + + return 0; +} + +static int sfp_hwmon_read_tx_power(struct sfp *sfp, int reg, long *value) +{ + int err; + + err = sfp_hwmon_read_sensor(sfp, reg, value); + if (err < 0) + return err; + + sfp_hwmon_calibrate_tx_power(sfp, value); + + return 0; +} + +static int sfp_hwmon_read_rx_power(struct sfp *sfp, int reg, long *value) +{ + int err; + + err = sfp_hwmon_read_sensor(sfp, reg, value); + if (err < 0) + return err; + + sfp_hwmon_to_rx_power(value); + + return 0; +} + +static int sfp_hwmon_temp(struct sfp *sfp, u32 attr, long *value) +{ + u8 status; + int err; + + switch (attr) { + case hwmon_temp_input: + return sfp_hwmon_read_temp(sfp, SFP_TEMP, value); + + case hwmon_temp_lcrit: + *value = be16_to_cpu(sfp->diag.temp_low_alarm); + sfp_hwmon_calibrate_temp(sfp, value); + return 0; + + case hwmon_temp_min: + *value = be16_to_cpu(sfp->diag.temp_low_warn); + sfp_hwmon_calibrate_temp(sfp, value); + return 0; + case hwmon_temp_max: + *value = be16_to_cpu(sfp->diag.temp_high_warn); + sfp_hwmon_calibrate_temp(sfp, value); + return 0; + + case hwmon_temp_crit: + *value = be16_to_cpu(sfp->diag.temp_high_alarm); + sfp_hwmon_calibrate_temp(sfp, value); + return 0; + + case hwmon_temp_lcrit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_TEMP_LOW); + return 0; + + case hwmon_temp_min_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_TEMP_LOW); + return 0; + + case hwmon_temp_max_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_TEMP_HIGH); + return 0; + + case hwmon_temp_crit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_TEMP_HIGH); + return 0; + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + +static int sfp_hwmon_vcc(struct sfp *sfp, u32 attr, long *value) +{ + u8 status; + int err; + + switch (attr) { + case hwmon_in_input: + return sfp_hwmon_read_vcc(sfp, SFP_VCC, value); + + case hwmon_in_lcrit: + *value = be16_to_cpu(sfp->diag.volt_low_alarm); + sfp_hwmon_calibrate_vcc(sfp, value); + return 0; + + case hwmon_in_min: + *value = be16_to_cpu(sfp->diag.volt_low_warn); + sfp_hwmon_calibrate_vcc(sfp, value); + return 0; + + case hwmon_in_max: + *value = be16_to_cpu(sfp->diag.volt_high_warn); + sfp_hwmon_calibrate_vcc(sfp, value); + return 0; + + case hwmon_in_crit: + *value = be16_to_cpu(sfp->diag.volt_high_alarm); + sfp_hwmon_calibrate_vcc(sfp, value); + return 0; + + case hwmon_in_lcrit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_VCC_LOW); + return 0; + + case hwmon_in_min_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_VCC_LOW); + return 0; + + case hwmon_in_max_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_VCC_HIGH); + return 0; + + case hwmon_in_crit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_VCC_HIGH); + return 0; + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + +static int sfp_hwmon_bias(struct sfp *sfp, u32 attr, long *value) +{ + u8 status; + int err; + + switch (attr) { + case hwmon_curr_input: + return sfp_hwmon_read_bias(sfp, SFP_TX_BIAS, value); + + case hwmon_curr_lcrit: + *value = be16_to_cpu(sfp->diag.bias_low_alarm); + sfp_hwmon_calibrate_bias(sfp, value); + return 0; + + case hwmon_curr_min: + *value = be16_to_cpu(sfp->diag.bias_low_warn); + sfp_hwmon_calibrate_bias(sfp, value); + return 0; + + case hwmon_curr_max: + *value = be16_to_cpu(sfp->diag.bias_high_warn); + sfp_hwmon_calibrate_bias(sfp, value); + return 0; + + case hwmon_curr_crit: + *value = be16_to_cpu(sfp->diag.bias_high_alarm); + sfp_hwmon_calibrate_bias(sfp, value); + return 0; + + case hwmon_curr_lcrit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_TX_BIAS_LOW); + return 0; + + case hwmon_curr_min_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_TX_BIAS_LOW); + return 0; + + case hwmon_curr_max_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_TX_BIAS_HIGH); + return 0; + + case hwmon_curr_crit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_TX_BIAS_HIGH); + return 0; + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + +static int sfp_hwmon_tx_power(struct sfp *sfp, u32 attr, long *value) +{ + u8 status; + int err; + + switch (attr) { + case hwmon_power_input: + return sfp_hwmon_read_tx_power(sfp, SFP_TX_POWER, value); + + case hwmon_power_lcrit: + *value = be16_to_cpu(sfp->diag.txpwr_low_alarm); + sfp_hwmon_calibrate_tx_power(sfp, value); + return 0; + + case hwmon_power_min: + *value = be16_to_cpu(sfp->diag.txpwr_low_warn); + sfp_hwmon_calibrate_tx_power(sfp, value); + return 0; + + case hwmon_power_max: + *value = be16_to_cpu(sfp->diag.txpwr_high_warn); + sfp_hwmon_calibrate_tx_power(sfp, value); + return 0; + + case hwmon_power_crit: + *value = be16_to_cpu(sfp->diag.txpwr_high_alarm); + sfp_hwmon_calibrate_tx_power(sfp, value); + return 0; + + case hwmon_power_lcrit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_TXPWR_LOW); + return 0; + + case hwmon_power_min_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_TXPWR_LOW); + return 0; + + case hwmon_power_max_alarm: + err = sfp_read(sfp, true, SFP_WARN0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN0_TXPWR_HIGH); + return 0; + + case hwmon_power_crit_alarm: + err = sfp_read(sfp, true, SFP_ALARM0, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM0_TXPWR_HIGH); + return 0; + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + +static int sfp_hwmon_rx_power(struct sfp *sfp, u32 attr, long *value) +{ + u8 status; + int err; + + switch (attr) { + case hwmon_power_input: + return sfp_hwmon_read_rx_power(sfp, SFP_RX_POWER, value); + + case hwmon_power_lcrit: + *value = be16_to_cpu(sfp->diag.rxpwr_low_alarm); + sfp_hwmon_to_rx_power(value); + return 0; + + case hwmon_power_min: + *value = be16_to_cpu(sfp->diag.rxpwr_low_warn); + sfp_hwmon_to_rx_power(value); + return 0; + + case hwmon_power_max: + *value = be16_to_cpu(sfp->diag.rxpwr_high_warn); + sfp_hwmon_to_rx_power(value); + return 0; + + case hwmon_power_crit: + *value = be16_to_cpu(sfp->diag.rxpwr_high_alarm); + sfp_hwmon_to_rx_power(value); + return 0; + + case hwmon_power_lcrit_alarm: + err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM1_RXPWR_LOW); + return 0; + + case hwmon_power_min_alarm: + err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN1_RXPWR_LOW); + return 0; + + case hwmon_power_max_alarm: + err = sfp_read(sfp, true, SFP_WARN1, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_WARN1_RXPWR_HIGH); + return 0; + + case hwmon_power_crit_alarm: + err = sfp_read(sfp, true, SFP_ALARM1, &status, sizeof(status)); + if (err < 0) + return err; + + *value = !!(status & SFP_ALARM1_RXPWR_HIGH); + return 0; + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + +static int sfp_hwmon_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *value) +{ + struct sfp *sfp = dev_get_drvdata(dev); + + switch (type) { + case hwmon_temp: + return sfp_hwmon_temp(sfp, attr, value); + case hwmon_in: + return sfp_hwmon_vcc(sfp, attr, value); + case hwmon_curr: + return sfp_hwmon_bias(sfp, attr, value); + case hwmon_power: + switch (channel) { + case 0: + return sfp_hwmon_tx_power(sfp, attr, value); + case 1: + return sfp_hwmon_rx_power(sfp, attr, value); + default: + return -EOPNOTSUPP; + } + default: + return -EOPNOTSUPP; + } +} + +static const struct hwmon_ops sfp_hwmon_ops = { + .is_visible = sfp_hwmon_is_visible, + .read = sfp_hwmon_read, +}; + +static u32 sfp_hwmon_chip_config[] = { + HWMON_C_REGISTER_TZ, + 0, +}; + +static const struct hwmon_channel_info sfp_hwmon_chip = { + .type = hwmon_chip, + .config = sfp_hwmon_chip_config, +}; + +static u32 sfp_hwmon_temp_config[] = { + HWMON_T_INPUT | + HWMON_T_MAX | HWMON_T_MIN | + HWMON_T_MAX_ALARM | HWMON_T_MIN_ALARM | + HWMON_T_CRIT | HWMON_T_LCRIT | + HWMON_T_CRIT_ALARM | HWMON_T_LCRIT_ALARM, + 0, +}; + +static const struct hwmon_channel_info sfp_hwmon_temp_channel_info = { + .type = hwmon_temp, + .config = sfp_hwmon_temp_config, +}; + +static u32 sfp_hwmon_vcc_config[] = { + HWMON_I_INPUT | + HWMON_I_MAX | HWMON_I_MIN | + HWMON_I_MAX_ALARM | HWMON_I_MIN_ALARM | + HWMON_I_CRIT | HWMON_I_LCRIT | + HWMON_I_CRIT_ALARM | HWMON_I_LCRIT_ALARM, + 0, +}; + +static const struct hwmon_channel_info sfp_hwmon_vcc_channel_info = { + .type = hwmon_in, + .config = sfp_hwmon_vcc_config, +}; + +static u32 sfp_hwmon_bias_config[] = { + HWMON_C_INPUT | + HWMON_C_MAX | HWMON_C_MIN | + HWMON_C_MAX_ALARM | HWMON_C_MIN_ALARM | + HWMON_C_CRIT | HWMON_C_LCRIT | + HWMON_C_CRIT_ALARM | HWMON_C_LCRIT_ALARM, + 0, +}; + +static const struct hwmon_channel_info sfp_hwmon_bias_channel_info = { + .type = hwmon_curr, + .config = sfp_hwmon_bias_config, +}; + +static u32 sfp_hwmon_power_config[] = { + /* Transmit power */ + HWMON_P_INPUT | + HWMON_P_MAX | HWMON_P_MIN | + HWMON_P_MAX_ALARM | HWMON_P_MIN_ALARM | + HWMON_P_CRIT | HWMON_P_LCRIT | + HWMON_P_CRIT_ALARM | HWMON_P_LCRIT_ALARM, + /* Receive power */ + HWMON_P_INPUT | + HWMON_P_MAX | HWMON_P_MIN | + HWMON_P_MAX_ALARM | HWMON_P_MIN_ALARM | + HWMON_P_CRIT | HWMON_P_LCRIT | + HWMON_P_CRIT_ALARM | HWMON_P_LCRIT_ALARM, + 0, +}; + +static const struct hwmon_channel_info sfp_hwmon_power_channel_info = { + .type = hwmon_power, + .config = sfp_hwmon_power_config, +}; + +static const struct hwmon_channel_info *sfp_hwmon_info[] = { + &sfp_hwmon_chip, + &sfp_hwmon_vcc_channel_info, + &sfp_hwmon_temp_channel_info, + &sfp_hwmon_bias_channel_info, + &sfp_hwmon_power_channel_info, + NULL, +}; + +static const struct hwmon_chip_info sfp_hwmon_chip_info = { + .ops = &sfp_hwmon_ops, + .info = sfp_hwmon_info, +}; + +static int sfp_hwmon_insert(struct sfp *sfp) +{ + int err, i; + + if (sfp->id.ext.sff8472_compliance == SFP_SFF8472_COMPLIANCE_NONE) + return 0; + + if (!(sfp->id.ext.diagmon & SFP_DIAGMON_DDM)) + return 0; + + if (sfp->id.ext.diagmon & SFP_DIAGMON_ADDRMODE) + /* This driver in general does not support address + * change. + */ + return 0; + + err = sfp_read(sfp, true, 0, &sfp->diag, sizeof(sfp->diag)); + if (err < 0) + return err; + + sfp->hwmon_name = kstrdup(dev_name(sfp->dev), GFP_KERNEL); + if (!sfp->hwmon_name) + return -ENODEV; + + for (i = 0; sfp->hwmon_name[i]; i++) + if (hwmon_is_bad_char(sfp->hwmon_name[i])) + sfp->hwmon_name[i] = '_'; + + sfp->hwmon_dev = hwmon_device_register_with_info(sfp->dev, + sfp->hwmon_name, sfp, + &sfp_hwmon_chip_info, + NULL); + + return PTR_ERR_OR_ZERO(sfp->hwmon_dev); +} + +static void sfp_hwmon_remove(struct sfp *sfp) +{ + hwmon_device_unregister(sfp->hwmon_dev); + kfree(sfp->hwmon_name); +} +#else +static int sfp_hwmon_insert(struct sfp *sfp) +{ + return 0; +} + +static void sfp_hwmon_remove(struct sfp *sfp) +{ +} +#endif + /* Helpers */ static void sfp_module_tx_disable(struct sfp *sfp) { @@ -636,6 +1420,10 @@ static int sfp_sm_mod_probe(struct sfp *sfp) dev_warn(sfp->dev, "module address swap to access page 0xA2 is not supported.\n"); + ret = sfp_hwmon_insert(sfp); + if (ret < 0) + return ret; + ret = sfp_module_insert(sfp->sfp_bus, &sfp->id); if (ret < 0) return ret; @@ -647,6 +1435,8 @@ static void sfp_sm_mod_remove(struct sfp *sfp) { sfp_module_remove(sfp->sfp_bus); + sfp_hwmon_remove(sfp); + if (sfp->mod_phy) sfp_sm_phy_detach(sfp); @@ -661,8 +1451,11 @@ static void sfp_sm_event(struct sfp *sfp, unsigned int event) { mutex_lock(&sfp->sm_mutex); - dev_dbg(sfp->dev, "SM: enter %u:%u:%u event %u\n", - sfp->sm_mod_state, sfp->sm_dev_state, sfp->sm_state, event); + dev_dbg(sfp->dev, "SM: enter %s:%s:%s event %s\n", + mod_state_to_str(sfp->sm_mod_state), + dev_state_to_str(sfp->sm_dev_state), + sm_state_to_str(sfp->sm_state), + event_to_str(event)); /* This state machine tracks the insert/remove state of * the module, and handles probing the on-board EEPROM. @@ -793,8 +1586,10 @@ static void sfp_sm_event(struct sfp *sfp, unsigned int event) break; } - dev_dbg(sfp->dev, "SM: exit %u:%u:%u\n", - sfp->sm_mod_state, sfp->sm_dev_state, sfp->sm_state); + dev_dbg(sfp->dev, "SM: exit %s:%s:%s\n", + mod_state_to_str(sfp->sm_mod_state), + dev_state_to_str(sfp->sm_dev_state), + sm_state_to_str(sfp->sm_state)); mutex_unlock(&sfp->sm_mutex); } diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index d9dd8fbfffc7..fbf9ad429593 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -72,6 +72,10 @@ #define PHY_ID_VSC8572 0x000704d0 #define PHY_ID_VSC8574 0x000704a0 #define PHY_ID_VSC8601 0x00070420 +#define PHY_ID_VSC7385 0x00070450 +#define PHY_ID_VSC7388 0x00070480 +#define PHY_ID_VSC7395 0x00070550 +#define PHY_ID_VSC7398 0x00070580 #define PHY_ID_VSC8662 0x00070660 #define PHY_ID_VSC8221 0x000fc550 #define PHY_ID_VSC8211 0x000fc4b0 @@ -116,6 +120,137 @@ static int vsc824x_config_init(struct phy_device *phydev) return err; } +#define VSC73XX_EXT_PAGE_ACCESS 0x1f + +static int vsc73xx_read_page(struct phy_device *phydev) +{ + return __phy_read(phydev, VSC73XX_EXT_PAGE_ACCESS); +} + +static int vsc73xx_write_page(struct phy_device *phydev, int page) +{ + return __phy_write(phydev, VSC73XX_EXT_PAGE_ACCESS, page); +} + +static void vsc73xx_config_init(struct phy_device *phydev) +{ + /* Receiver init */ + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x0c, 0x0300, 0x0200); + phy_write(phydev, 0x1f, 0x0000); + + /* Config LEDs 0x61 */ + phy_modify(phydev, MII_TPISTATUS, 0xff00, 0x0061); +} + +static int vsc738x_config_init(struct phy_device *phydev) +{ + u16 rev; + /* This magic sequence appear in the application note + * "VSC7385/7388 PHY Configuration". + * + * Maybe one day we will get to know what it all means. + */ + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x08, 0x0200, 0x0200); + phy_write(phydev, 0x1f, 0x52b5); + phy_write(phydev, 0x10, 0xb68a); + phy_modify(phydev, 0x12, 0xff07, 0x0003); + phy_modify(phydev, 0x11, 0x00ff, 0x00a2); + phy_write(phydev, 0x10, 0x968a); + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x08, 0x0200, 0x0000); + phy_write(phydev, 0x1f, 0x0000); + + /* Read revision */ + rev = phy_read(phydev, MII_PHYSID2); + rev &= 0x0f; + + /* Special quirk for revision 0 */ + if (rev == 0) { + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x08, 0x0200, 0x0200); + phy_write(phydev, 0x1f, 0x52b5); + phy_write(phydev, 0x12, 0x0000); + phy_write(phydev, 0x11, 0x0689); + phy_write(phydev, 0x10, 0x8f92); + phy_write(phydev, 0x1f, 0x52b5); + phy_write(phydev, 0x12, 0x0000); + phy_write(phydev, 0x11, 0x0e35); + phy_write(phydev, 0x10, 0x9786); + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x08, 0x0200, 0x0000); + phy_write(phydev, 0x17, 0xff80); + phy_write(phydev, 0x17, 0x0000); + } + + phy_write(phydev, 0x1f, 0x0000); + phy_write(phydev, 0x12, 0x0048); + + if (rev == 0) { + phy_write(phydev, 0x1f, 0x2a30); + phy_write(phydev, 0x14, 0x6600); + phy_write(phydev, 0x1f, 0x0000); + phy_write(phydev, 0x18, 0xa24e); + } else { + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x16, 0x0fc0, 0x0240); + phy_modify(phydev, 0x14, 0x6000, 0x4000); + /* bits 14-15 in extended register 0x14 controls DACG amplitude + * 6 = -8%, 2 is hardware default + */ + phy_write(phydev, 0x1f, 0x0001); + phy_modify(phydev, 0x14, 0xe000, 0x6000); + phy_write(phydev, 0x1f, 0x0000); + } + + vsc73xx_config_init(phydev); + + return genphy_config_init(phydev); +} + +static int vsc739x_config_init(struct phy_device *phydev) +{ + /* This magic sequence appears in the VSC7395 SparX-G5e application + * note "VSC7395/VSC7398 PHY Configuration" + * + * Maybe one day we will get to know what it all means. + */ + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x08, 0x0200, 0x0200); + phy_write(phydev, 0x1f, 0x52b5); + phy_write(phydev, 0x10, 0xb68a); + phy_modify(phydev, 0x12, 0xff07, 0x0003); + phy_modify(phydev, 0x11, 0x00ff, 0x00a2); + phy_write(phydev, 0x10, 0x968a); + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x08, 0x0200, 0x0000); + phy_write(phydev, 0x1f, 0x0000); + + phy_write(phydev, 0x1f, 0x0000); + phy_write(phydev, 0x12, 0x0048); + phy_write(phydev, 0x1f, 0x2a30); + phy_modify(phydev, 0x16, 0x0fc0, 0x0240); + phy_modify(phydev, 0x14, 0x6000, 0x4000); + phy_write(phydev, 0x1f, 0x0001); + phy_modify(phydev, 0x14, 0xe000, 0x6000); + phy_write(phydev, 0x1f, 0x0000); + + vsc73xx_config_init(phydev); + + return genphy_config_init(phydev); +} + +static int vsc73xx_config_aneg(struct phy_device *phydev) +{ + /* The VSC73xx switches does not like to be instructed to + * do autonegotiation in any way, it prefers that you just go + * with the power-on/reset defaults. Writing some registers will + * just make autonegotiation permanently fail. + */ + return 0; +} + /* This adds a skew for both TX and RX clocks, so the skew should only be * applied to "rgmii-id" interfaces. It may not work as expected * on "rgmii-txid", "rgmii-rxid" or "rgmii" interfaces. */ @@ -319,6 +454,42 @@ static struct phy_driver vsc82xx_driver[] = { .ack_interrupt = &vsc824x_ack_interrupt, .config_intr = &vsc82xx_config_intr, }, { + .phy_id = PHY_ID_VSC7385, + .name = "Vitesse VSC7385", + .phy_id_mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config_init = vsc738x_config_init, + .config_aneg = vsc73xx_config_aneg, + .read_page = vsc73xx_read_page, + .write_page = vsc73xx_write_page, +}, { + .phy_id = PHY_ID_VSC7388, + .name = "Vitesse VSC7388", + .phy_id_mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config_init = vsc738x_config_init, + .config_aneg = vsc73xx_config_aneg, + .read_page = vsc73xx_read_page, + .write_page = vsc73xx_write_page, +}, { + .phy_id = PHY_ID_VSC7395, + .name = "Vitesse VSC7395", + .phy_id_mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config_init = vsc739x_config_init, + .config_aneg = vsc73xx_config_aneg, + .read_page = vsc73xx_read_page, + .write_page = vsc73xx_write_page, +}, { + .phy_id = PHY_ID_VSC7398, + .name = "Vitesse VSC7398", + .phy_id_mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config_init = vsc739x_config_init, + .config_aneg = vsc73xx_config_aneg, + .read_page = vsc73xx_read_page, + .write_page = vsc73xx_write_page, +}, { .phy_id = PHY_ID_VSC8662, .name = "Vitesse VSC8662", .phy_id_mask = 0x000ffff0, @@ -358,6 +529,10 @@ static struct mdio_device_id __maybe_unused vitesse_tbl[] = { { PHY_ID_VSC8514, 0x000ffff0 }, { PHY_ID_VSC8572, 0x000ffff0 }, { PHY_ID_VSC8574, 0x000ffff0 }, + { PHY_ID_VSC7385, 0x000ffff0 }, + { PHY_ID_VSC7388, 0x000ffff0 }, + { PHY_ID_VSC7395, 0x000ffff0 }, + { PHY_ID_VSC7398, 0x000ffff0 }, { PHY_ID_VSC8662, 0x000ffff0 }, { PHY_ID_VSC8221, 0x000ffff0 }, { PHY_ID_VSC8211, 0x000ffff0 }, diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c index 2e5150b0b8d5..74a8782313cf 100644 --- a/drivers/net/phy/xilinx_gmii2rgmii.c +++ b/drivers/net/phy/xilinx_gmii2rgmii.c @@ -33,17 +33,22 @@ struct gmii2rgmii { struct phy_device *phy_dev; struct phy_driver *phy_drv; struct phy_driver conv_phy_drv; - int addr; + struct mdio_device *mdio; }; static int xgmiitorgmii_read_status(struct phy_device *phydev) { struct gmii2rgmii *priv = phydev->priv; + struct mii_bus *bus = priv->mdio->bus; + int addr = priv->mdio->addr; u16 val = 0; + int err; - priv->phy_drv->read_status(phydev); + err = priv->phy_drv->read_status(phydev); + if (err < 0) + return err; - val = mdiobus_read(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG); + val = mdiobus_read(bus, addr, XILINX_GMII2RGMII_REG); val &= ~XILINX_GMII2RGMII_SPEED_MASK; if (phydev->speed == SPEED_1000) @@ -53,7 +58,7 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev) else val |= BMCR_SPEED10; - mdiobus_write(phydev->mdio.bus, priv->addr, XILINX_GMII2RGMII_REG, val); + mdiobus_write(bus, addr, XILINX_GMII2RGMII_REG, val); return 0; } @@ -81,7 +86,12 @@ static int xgmiitorgmii_probe(struct mdio_device *mdiodev) return -EPROBE_DEFER; } - priv->addr = mdiodev->addr; + if (!priv->phy_dev->drv) { + dev_info(dev, "Attached phy not ready\n"); + return -EPROBE_DEFER; + } + + priv->mdio = mdiodev; priv->phy_drv = priv->phy_dev->drv; memcpy(&priv->conv_phy_drv, priv->phy_dev->drv, sizeof(struct phy_driver)); |