| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Heiner Kallweit | 1423 | 24.28% | 20 | 27.03% |
| Johnson Leung | 624 | 10.65% | 1 | 1.35% |
| Ioana Ciornei | 419 | 7.15% | 2 | 2.70% |
| Marek Vašut | 383 | 6.53% | 1 | 1.35% |
| Marek Behún | 381 | 6.50% | 2 | 2.70% |
| Joakim Zhang | 342 | 5.84% | 3 | 4.05% |
| Alexander Couzens | 332 | 5.66% | 1 | 1.35% |
| Yuusuke Ashizuka | 321 | 5.48% | 1 | 1.35% |
| Martin Blumenstingl | 304 | 5.19% | 7 | 9.46% |
| Eric Woudstra | 200 | 3.41% | 3 | 4.05% |
| Serge Semin | 163 | 2.78% | 2 | 2.70% |
| Giuseppe Cavallaro | 155 | 2.64% | 2 | 2.70% |
| Shengzhou Liu | 140 | 2.39% | 1 | 1.35% |
| Detlev Casanova | 119 | 2.03% | 2 | 2.70% |
| Willy Liu | 102 | 1.74% | 3 | 4.05% |
| Clark Wang | 90 | 1.54% | 1 | 1.35% |
| Linus Walleij | 74 | 1.26% | 2 | 2.70% |
| Jassi Brar | 73 | 1.25% | 1 | 1.35% |
| Kevin Hao | 46 | 0.78% | 1 | 1.35% |
| Colin Ian King | 33 | 0.56% | 1 | 1.35% |
| JiSheng Zhang | 24 | 0.41% | 1 | 1.35% |
| David Woodhouse | 18 | 0.31% | 1 | 1.35% |
| Shaohui Xie | 16 | 0.27% | 1 | 1.35% |
| Mark Mentovai | 15 | 0.26% | 1 | 1.35% |
| Alvin Šipraga | 13 | 0.22% | 1 | 1.35% |
| Jonas Jensen | 11 | 0.19% | 1 | 1.35% |
| Chris Packham | 8 | 0.14% | 1 | 1.35% |
| Jongsung Kim | 8 | 0.14% | 1 | 1.35% |
| Kunihiko Hayashi | 6 | 0.10% | 2 | 2.70% |
| Sava Jakovljev | 6 | 0.10% | 1 | 1.35% |
| Siddharth Vadapalli | 4 | 0.07% | 1 | 1.35% |
| Paul Gortmaker | 3 | 0.05% | 1 | 1.35% |
| Johan Hovold | 2 | 0.03% | 1 | 1.35% |
| Holger Hoffstätte | 1 | 0.02% | 1 | 1.35% |
| Uwe Kleine-König | 1 | 0.02% | 1 | 1.35% |
| Andrew Lunn | 1 | 0.02% | 1 | 1.35% |
| Total | 5861 | 74 |
// SPDX-License-Identifier: GPL-2.0+ /* drivers/net/phy/realtek.c * * Driver for Realtek PHYs * * Author: Johnson Leung <r58129@freescale.com> * * Copyright (c) 2004 Freescale Semiconductor, Inc. */ #include <linux/bitops.h> #include <linux/of.h> #include <linux/phy.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/clk.h> #define RTL821x_PHYSR 0x11 #define RTL821x_PHYSR_DUPLEX BIT(13) #define RTL821x_PHYSR_SPEED GENMASK(15, 14) #define RTL821x_INER 0x12 #define RTL8211B_INER_INIT 0x6400 #define RTL8211E_INER_LINK_STATUS BIT(10) #define RTL8211F_INER_LINK_STATUS BIT(4) #define RTL821x_INSR 0x13 #define RTL821x_EXT_PAGE_SELECT 0x1e #define RTL821x_PAGE_SELECT 0x1f #define RTL8211F_PHYCR1 0x18 #define RTL8211F_PHYCR2 0x19 #define RTL8211F_INSR 0x1d #define RTL8211F_LEDCR 0x10 #define RTL8211F_LEDCR_MODE BIT(15) #define RTL8211F_LEDCR_ACT_TXRX BIT(4) #define RTL8211F_LEDCR_LINK_1000 BIT(3) #define RTL8211F_LEDCR_LINK_100 BIT(1) #define RTL8211F_LEDCR_LINK_10 BIT(0) #define RTL8211F_LEDCR_MASK GENMASK(4, 0) #define RTL8211F_LEDCR_SHIFT 5 #define RTL8211F_TX_DELAY BIT(8) #define RTL8211F_RX_DELAY BIT(3) #define RTL8211F_ALDPS_PLL_OFF BIT(1) #define RTL8211F_ALDPS_ENABLE BIT(2) #define RTL8211F_ALDPS_XTAL_OFF BIT(12) #define RTL8211E_CTRL_DELAY BIT(13) #define RTL8211E_TX_DELAY BIT(12) #define RTL8211E_RX_DELAY BIT(11) #define RTL8211F_CLKOUT_EN BIT(0) #define RTL8201F_ISR 0x1e #define RTL8201F_ISR_ANERR BIT(15) #define RTL8201F_ISR_DUPLEX BIT(13) #define RTL8201F_ISR_LINK BIT(11) #define RTL8201F_ISR_MASK (RTL8201F_ISR_ANERR | \ RTL8201F_ISR_DUPLEX | \ RTL8201F_ISR_LINK) #define RTL8201F_IER 0x13 #define RTL822X_VND1_SERDES_OPTION 0x697a #define RTL822X_VND1_SERDES_OPTION_MODE_MASK GENMASK(5, 0) #define RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX_SGMII 0 #define RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX 2 #define RTL822X_VND1_SERDES_CTRL3 0x7580 #define RTL822X_VND1_SERDES_CTRL3_MODE_MASK GENMASK(5, 0) #define RTL822X_VND1_SERDES_CTRL3_MODE_SGMII 0x02 #define RTL822X_VND1_SERDES_CTRL3_MODE_2500BASEX 0x16 /* RTL822X_VND2_XXXXX registers are only accessible when phydev->is_c45 * is set, they cannot be accessed by C45-over-C22. */ #define RTL822X_VND2_GBCR 0xa412 #define RTL822X_VND2_GANLPAR 0xa414 #define RTL822X_VND2_PHYSR 0xa434 #define RTL8366RB_POWER_SAVE 0x15 #define RTL8366RB_POWER_SAVE_ON BIT(12) #define RTL9000A_GINMR 0x14 #define RTL9000A_GINMR_LINK_STATUS BIT(4) #define RTLGEN_SPEED_MASK 0x0630 #define RTL_GENERIC_PHYID 0x001cc800 #define RTL_8211FVD_PHYID 0x001cc878 #define RTL_8221B_VB_CG 0x001cc849 #define RTL_8221B_VN_CG 0x001cc84a #define RTL_8251B 0x001cc862 #define RTL8211F_LED_COUNT 3 MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); MODULE_LICENSE("GPL"); struct rtl821x_priv { u16 phycr1; u16 phycr2; bool has_phycr2; struct clk *clk; }; static int rtl821x_read_page(struct phy_device *phydev) { return __phy_read(phydev, RTL821x_PAGE_SELECT); } static int rtl821x_write_page(struct phy_device *phydev, int page) { return __phy_write(phydev, RTL821x_PAGE_SELECT, page); } static int rtl821x_probe(struct phy_device *phydev) { struct device *dev = &phydev->mdio.dev; struct rtl821x_priv *priv; u32 phy_id = phydev->drv->phy_id; int ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; priv->clk = devm_clk_get_optional_enabled(dev, NULL); if (IS_ERR(priv->clk)) return dev_err_probe(dev, PTR_ERR(priv->clk), "failed to get phy clock\n"); ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR1); if (ret < 0) return ret; priv->phycr1 = ret & (RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF); if (of_property_read_bool(dev->of_node, "realtek,aldps-enable")) priv->phycr1 |= RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF; priv->has_phycr2 = !(phy_id == RTL_8211FVD_PHYID); if (priv->has_phycr2) { ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR2); if (ret < 0) return ret; priv->phycr2 = ret & RTL8211F_CLKOUT_EN; if (of_property_read_bool(dev->of_node, "realtek,clkout-disable")) priv->phycr2 &= ~RTL8211F_CLKOUT_EN; } phydev->priv = priv; return 0; } static int rtl8201_ack_interrupt(struct phy_device *phydev) { int err; err = phy_read(phydev, RTL8201F_ISR); return (err < 0) ? err : 0; } static int rtl821x_ack_interrupt(struct phy_device *phydev) { int err; err = phy_read(phydev, RTL821x_INSR); return (err < 0) ? err : 0; } static int rtl8211f_ack_interrupt(struct phy_device *phydev) { int err; err = phy_read_paged(phydev, 0xa43, RTL8211F_INSR); return (err < 0) ? err : 0; } static int rtl8201_config_intr(struct phy_device *phydev) { u16 val; int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { err = rtl8201_ack_interrupt(phydev); if (err) return err; val = BIT(13) | BIT(12) | BIT(11); err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val); } else { val = 0; err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val); if (err) return err; err = rtl8201_ack_interrupt(phydev); } return err; } static int rtl8211b_config_intr(struct phy_device *phydev) { int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { err = rtl821x_ack_interrupt(phydev); if (err) return err; err = phy_write(phydev, RTL821x_INER, RTL8211B_INER_INIT); } else { err = phy_write(phydev, RTL821x_INER, 0); if (err) return err; err = rtl821x_ack_interrupt(phydev); } return err; } static int rtl8211e_config_intr(struct phy_device *phydev) { int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { err = rtl821x_ack_interrupt(phydev); if (err) return err; err = phy_write(phydev, RTL821x_INER, RTL8211E_INER_LINK_STATUS); } else { err = phy_write(phydev, RTL821x_INER, 0); if (err) return err; err = rtl821x_ack_interrupt(phydev); } return err; } static int rtl8211f_config_intr(struct phy_device *phydev) { u16 val; int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { err = rtl8211f_ack_interrupt(phydev); if (err) return err; val = RTL8211F_INER_LINK_STATUS; err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val); } else { val = 0; err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val); if (err) return err; err = rtl8211f_ack_interrupt(phydev); } return err; } static irqreturn_t rtl8201_handle_interrupt(struct phy_device *phydev) { int irq_status; irq_status = phy_read(phydev, RTL8201F_ISR); if (irq_status < 0) { phy_error(phydev); return IRQ_NONE; } if (!(irq_status & RTL8201F_ISR_MASK)) return IRQ_NONE; phy_trigger_machine(phydev); return IRQ_HANDLED; } static irqreturn_t rtl821x_handle_interrupt(struct phy_device *phydev) { int irq_status, irq_enabled; irq_status = phy_read(phydev, RTL821x_INSR); if (irq_status < 0) { phy_error(phydev); return IRQ_NONE; } irq_enabled = phy_read(phydev, RTL821x_INER); if (irq_enabled < 0) { phy_error(phydev); return IRQ_NONE; } if (!(irq_status & irq_enabled)) return IRQ_NONE; phy_trigger_machine(phydev); return IRQ_HANDLED; } static irqreturn_t rtl8211f_handle_interrupt(struct phy_device *phydev) { int irq_status; irq_status = phy_read_paged(phydev, 0xa43, RTL8211F_INSR); if (irq_status < 0) { phy_error(phydev); return IRQ_NONE; } if (!(irq_status & RTL8211F_INER_LINK_STATUS)) return IRQ_NONE; phy_trigger_machine(phydev); return IRQ_HANDLED; } 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 */ return phy_set_bits(phydev, MII_CTRL1000, CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER); } static int rtl8211f_config_init(struct phy_device *phydev) { struct rtl821x_priv *priv = phydev->priv; struct device *dev = &phydev->mdio.dev; u16 val_txdly, val_rxdly; int ret; ret = phy_modify_paged_changed(phydev, 0xa43, RTL8211F_PHYCR1, RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF, priv->phycr1); if (ret < 0) { dev_err(dev, "aldps mode configuration failed: %pe\n", ERR_PTR(ret)); return ret; } switch (phydev->interface) { case PHY_INTERFACE_MODE_RGMII: val_txdly = 0; val_rxdly = 0; break; case PHY_INTERFACE_MODE_RGMII_RXID: val_txdly = 0; val_rxdly = RTL8211F_RX_DELAY; break; case PHY_INTERFACE_MODE_RGMII_TXID: val_txdly = RTL8211F_TX_DELAY; val_rxdly = 0; break; case PHY_INTERFACE_MODE_RGMII_ID: val_txdly = RTL8211F_TX_DELAY; val_rxdly = RTL8211F_RX_DELAY; break; default: /* the rest of the modes imply leaving delay as is. */ return 0; } ret = phy_modify_paged_changed(phydev, 0xd08, 0x11, RTL8211F_TX_DELAY, val_txdly); if (ret < 0) { dev_err(dev, "Failed to update the TX delay register\n"); return ret; } else if (ret) { dev_dbg(dev, "%s 2ns TX delay (and changing the value from pin-strapping RXD1 or the bootloader)\n", val_txdly ? "Enabling" : "Disabling"); } else { dev_dbg(dev, "2ns TX delay was already %s (by pin-strapping RXD1 or bootloader configuration)\n", val_txdly ? "enabled" : "disabled"); } ret = phy_modify_paged_changed(phydev, 0xd08, 0x15, RTL8211F_RX_DELAY, val_rxdly); if (ret < 0) { dev_err(dev, "Failed to update the RX delay register\n"); return ret; } else if (ret) { dev_dbg(dev, "%s 2ns RX delay (and changing the value from pin-strapping RXD0 or the bootloader)\n", val_rxdly ? "Enabling" : "Disabling"); } else { dev_dbg(dev, "2ns RX delay was already %s (by pin-strapping RXD0 or bootloader configuration)\n", val_rxdly ? "enabled" : "disabled"); } if (priv->has_phycr2) { ret = phy_modify_paged(phydev, 0xa43, RTL8211F_PHYCR2, RTL8211F_CLKOUT_EN, priv->phycr2); if (ret < 0) { dev_err(dev, "clkout configuration failed: %pe\n", ERR_PTR(ret)); return ret; } return genphy_soft_reset(phydev); } return 0; } static int rtl821x_suspend(struct phy_device *phydev) { struct rtl821x_priv *priv = phydev->priv; int ret = 0; if (!phydev->wol_enabled) { ret = genphy_suspend(phydev); if (ret) return ret; clk_disable_unprepare(priv->clk); } return ret; } static int rtl821x_resume(struct phy_device *phydev) { struct rtl821x_priv *priv = phydev->priv; int ret; if (!phydev->wol_enabled) clk_prepare_enable(priv->clk); ret = genphy_resume(phydev); if (ret < 0) return ret; msleep(20); return 0; } static int rtl8211f_led_hw_is_supported(struct phy_device *phydev, u8 index, unsigned long rules) { const unsigned long mask = BIT(TRIGGER_NETDEV_LINK_10) | BIT(TRIGGER_NETDEV_LINK_100) | BIT(TRIGGER_NETDEV_LINK_1000) | BIT(TRIGGER_NETDEV_RX) | BIT(TRIGGER_NETDEV_TX); /* The RTL8211F PHY supports these LED settings on up to three LEDs: * - Link: Configurable subset of 10/100/1000 link rates * - Active: Blink on activity, RX or TX is not differentiated * The Active option has two modes, A and B: * - A: Link and Active indication at configurable, but matching, * subset of 10/100/1000 link rates * - B: Link indication at configurable subset of 10/100/1000 link * rates and Active indication always at all three 10+100+1000 * link rates. * This code currently uses mode B only. */ if (index >= RTL8211F_LED_COUNT) return -EINVAL; /* Filter out any other unsupported triggers. */ if (rules & ~mask) return -EOPNOTSUPP; /* RX and TX are not differentiated, either both are set or not set. */ if (!(rules & BIT(TRIGGER_NETDEV_RX)) ^ !(rules & BIT(TRIGGER_NETDEV_TX))) return -EOPNOTSUPP; return 0; } static int rtl8211f_led_hw_control_get(struct phy_device *phydev, u8 index, unsigned long *rules) { int val; val = phy_read_paged(phydev, 0xd04, RTL8211F_LEDCR); if (val < 0) return val; val >>= RTL8211F_LEDCR_SHIFT * index; val &= RTL8211F_LEDCR_MASK; if (val & RTL8211F_LEDCR_LINK_10) set_bit(TRIGGER_NETDEV_LINK_10, rules); if (val & RTL8211F_LEDCR_LINK_100) set_bit(TRIGGER_NETDEV_LINK_100, rules); if (val & RTL8211F_LEDCR_LINK_1000) set_bit(TRIGGER_NETDEV_LINK_1000, rules); if (val & RTL8211F_LEDCR_ACT_TXRX) { set_bit(TRIGGER_NETDEV_RX, rules); set_bit(TRIGGER_NETDEV_TX, rules); } return 0; } static int rtl8211f_led_hw_control_set(struct phy_device *phydev, u8 index, unsigned long rules) { const u16 mask = RTL8211F_LEDCR_MASK << (RTL8211F_LEDCR_SHIFT * index); u16 reg = 0; if (index >= RTL8211F_LED_COUNT) return -EINVAL; if (test_bit(TRIGGER_NETDEV_LINK_10, &rules)) reg |= RTL8211F_LEDCR_LINK_10; if (test_bit(TRIGGER_NETDEV_LINK_100, &rules)) reg |= RTL8211F_LEDCR_LINK_100; if (test_bit(TRIGGER_NETDEV_LINK_1000, &rules)) reg |= RTL8211F_LEDCR_LINK_1000; if (test_bit(TRIGGER_NETDEV_RX, &rules) || test_bit(TRIGGER_NETDEV_TX, &rules)) { reg |= RTL8211F_LEDCR_ACT_TXRX; } reg <<= RTL8211F_LEDCR_SHIFT * index; reg |= RTL8211F_LEDCR_MODE; /* Mode B */ return phy_modify_paged(phydev, 0xd04, RTL8211F_LEDCR, mask, reg); } static int rtl8211e_config_init(struct phy_device *phydev) { int ret = 0, oldpage; u16 val; /* enable TX/RX delay for rgmii-* modes, and disable them for rgmii. */ switch (phydev->interface) { case PHY_INTERFACE_MODE_RGMII: val = RTL8211E_CTRL_DELAY | 0; break; case PHY_INTERFACE_MODE_RGMII_ID: val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY; break; case PHY_INTERFACE_MODE_RGMII_RXID: val = RTL8211E_CTRL_DELAY | RTL8211E_RX_DELAY; break; case PHY_INTERFACE_MODE_RGMII_TXID: val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY; break; default: /* the rest of the modes imply leaving delays as is. */ return 0; } /* According to a sample driver there is a 0x1c config register on the * 0xa4 extension page (0x7) layout. It can be used to disable/enable * the RX/TX delays otherwise controlled by RXDLY/TXDLY pins. * The configuration register definition: * 14 = reserved * 13 = Force Tx RX Delay controlled by bit12 bit11, * 12 = RX Delay, 11 = TX Delay * 10:0 = Test && debug settings reserved by realtek */ oldpage = phy_select_page(phydev, 0x7); if (oldpage < 0) goto err_restore_page; ret = __phy_write(phydev, RTL821x_EXT_PAGE_SELECT, 0xa4); if (ret) goto err_restore_page; ret = __phy_modify(phydev, 0x1c, RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY, val); err_restore_page: return phy_restore_page(phydev, oldpage, ret); } static int rtl8211b_suspend(struct phy_device *phydev) { phy_write(phydev, MII_MMD_DATA, BIT(9)); return genphy_suspend(phydev); } static int rtl8211b_resume(struct phy_device *phydev) { phy_write(phydev, MII_MMD_DATA, 0); return genphy_resume(phydev); } static int rtl8366rb_config_init(struct phy_device *phydev) { int 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; } /* get actual speed to cover the downshift case */ static void rtlgen_decode_speed(struct phy_device *phydev, int val) { switch (val & RTLGEN_SPEED_MASK) { case 0x0000: phydev->speed = SPEED_10; break; case 0x0010: phydev->speed = SPEED_100; break; case 0x0020: phydev->speed = SPEED_1000; break; case 0x0200: phydev->speed = SPEED_10000; break; case 0x0210: phydev->speed = SPEED_2500; break; case 0x0220: phydev->speed = SPEED_5000; break; default: break; } } static int rtlgen_read_status(struct phy_device *phydev) { int ret, val; ret = genphy_read_status(phydev); if (ret < 0) return ret; if (!phydev->link) return 0; val = phy_read_paged(phydev, 0xa43, 0x12); if (val < 0) return val; rtlgen_decode_speed(phydev, val); return 0; } static int rtlgen_read_mmd(struct phy_device *phydev, int devnum, u16 regnum) { int ret; if (devnum == MDIO_MMD_PCS && regnum == MDIO_PCS_EEE_ABLE) { rtl821x_write_page(phydev, 0xa5c); ret = __phy_read(phydev, 0x12); rtl821x_write_page(phydev, 0); } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV) { rtl821x_write_page(phydev, 0xa5d); ret = __phy_read(phydev, 0x10); rtl821x_write_page(phydev, 0); } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_LPABLE) { rtl821x_write_page(phydev, 0xa5d); ret = __phy_read(phydev, 0x11); rtl821x_write_page(phydev, 0); } else { ret = -EOPNOTSUPP; } return ret; } static int rtlgen_write_mmd(struct phy_device *phydev, int devnum, u16 regnum, u16 val) { int ret; if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV) { rtl821x_write_page(phydev, 0xa5d); ret = __phy_write(phydev, 0x10, val); rtl821x_write_page(phydev, 0); } else { ret = -EOPNOTSUPP; } return ret; } static int rtl822x_read_mmd(struct phy_device *phydev, int devnum, u16 regnum) { int ret = rtlgen_read_mmd(phydev, devnum, regnum); if (ret != -EOPNOTSUPP) return ret; if (devnum == MDIO_MMD_PCS && regnum == MDIO_PCS_EEE_ABLE2) { rtl821x_write_page(phydev, 0xa6e); ret = __phy_read(phydev, 0x16); rtl821x_write_page(phydev, 0); } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV2) { rtl821x_write_page(phydev, 0xa6d); ret = __phy_read(phydev, 0x12); rtl821x_write_page(phydev, 0); } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_LPABLE2) { rtl821x_write_page(phydev, 0xa6d); ret = __phy_read(phydev, 0x10); rtl821x_write_page(phydev, 0); } return ret; } static int rtl822x_write_mmd(struct phy_device *phydev, int devnum, u16 regnum, u16 val) { int ret = rtlgen_write_mmd(phydev, devnum, regnum, val); if (ret != -EOPNOTSUPP) return ret; if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV2) { rtl821x_write_page(phydev, 0xa6d); ret = __phy_write(phydev, 0x12, val); rtl821x_write_page(phydev, 0); } return ret; } static int rtl822xb_config_init(struct phy_device *phydev) { bool has_2500, has_sgmii; u16 mode; int ret; has_2500 = test_bit(PHY_INTERFACE_MODE_2500BASEX, phydev->host_interfaces) || phydev->interface == PHY_INTERFACE_MODE_2500BASEX; has_sgmii = test_bit(PHY_INTERFACE_MODE_SGMII, phydev->host_interfaces) || phydev->interface == PHY_INTERFACE_MODE_SGMII; /* fill in possible interfaces */ __assign_bit(PHY_INTERFACE_MODE_2500BASEX, phydev->possible_interfaces, has_2500); __assign_bit(PHY_INTERFACE_MODE_SGMII, phydev->possible_interfaces, has_sgmii); if (!has_2500 && !has_sgmii) return 0; /* determine SerDes option mode */ if (has_2500 && !has_sgmii) { mode = RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX; phydev->rate_matching = RATE_MATCH_PAUSE; } else { mode = RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX_SGMII; phydev->rate_matching = RATE_MATCH_NONE; } /* the following sequence with magic numbers sets up the SerDes * option mode */ ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x75f3, 0); if (ret < 0) return ret; ret = phy_modify_mmd_changed(phydev, MDIO_MMD_VEND1, RTL822X_VND1_SERDES_OPTION, RTL822X_VND1_SERDES_OPTION_MODE_MASK, mode); if (ret < 0) return ret; ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6a04, 0x0503); if (ret < 0) return ret; ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6f10, 0xd455); if (ret < 0) return ret; return phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6f11, 0x8020); } static int rtl822xb_get_rate_matching(struct phy_device *phydev, phy_interface_t iface) { int val; /* Only rate matching at 2500base-x */ if (iface != PHY_INTERFACE_MODE_2500BASEX) return RATE_MATCH_NONE; val = phy_read_mmd(phydev, MDIO_MMD_VEND1, RTL822X_VND1_SERDES_OPTION); if (val < 0) return val; if ((val & RTL822X_VND1_SERDES_OPTION_MODE_MASK) == RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX) return RATE_MATCH_PAUSE; /* RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX_SGMII */ return RATE_MATCH_NONE; } static int rtl822x_get_features(struct phy_device *phydev) { int val; val = phy_read_paged(phydev, 0xa61, 0x13); if (val < 0) return val; linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported, val & MDIO_PMA_SPEED_2_5G); linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, phydev->supported, val & MDIO_PMA_SPEED_5G); linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, phydev->supported, val & MDIO_SPEED_10G); return genphy_read_abilities(phydev); } static int rtl822x_config_aneg(struct phy_device *phydev) { int ret = 0; if (phydev->autoneg == AUTONEG_ENABLE) { u16 adv = linkmode_adv_to_mii_10gbt_adv_t(phydev->advertising); ret = phy_modify_paged_changed(phydev, 0xa5d, 0x12, MDIO_AN_10GBT_CTRL_ADV2_5G | MDIO_AN_10GBT_CTRL_ADV5G, adv); if (ret < 0) return ret; } return __genphy_config_aneg(phydev, ret); } static void rtl822xb_update_interface(struct phy_device *phydev) { int val; if (!phydev->link) return; /* Change interface according to serdes mode */ val = phy_read_mmd(phydev, MDIO_MMD_VEND1, RTL822X_VND1_SERDES_CTRL3); if (val < 0) return; switch (val & RTL822X_VND1_SERDES_CTRL3_MODE_MASK) { case RTL822X_VND1_SERDES_CTRL3_MODE_2500BASEX: phydev->interface = PHY_INTERFACE_MODE_2500BASEX; break; case RTL822X_VND1_SERDES_CTRL3_MODE_SGMII: phydev->interface = PHY_INTERFACE_MODE_SGMII; break; } } static int rtl822x_read_status(struct phy_device *phydev) { if (phydev->autoneg == AUTONEG_ENABLE) { int lpadv = phy_read_paged(phydev, 0xa5d, 0x13); if (lpadv < 0) return lpadv; mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, lpadv); } return rtlgen_read_status(phydev); } static int rtl822xb_read_status(struct phy_device *phydev) { int ret; ret = rtl822x_read_status(phydev); if (ret < 0) return ret; rtl822xb_update_interface(phydev); return 0; } static int rtl822x_c45_get_features(struct phy_device *phydev) { linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, phydev->supported); return genphy_c45_pma_read_abilities(phydev); } static int rtl822x_c45_config_aneg(struct phy_device *phydev) { bool changed = false; int ret, val; if (phydev->autoneg == AUTONEG_DISABLE) return genphy_c45_pma_setup_forced(phydev); ret = genphy_c45_an_config_aneg(phydev); if (ret < 0) return ret; if (ret > 0) changed = true; val = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising); /* Vendor register as C45 has no standardized support for 1000BaseT */ ret = phy_modify_mmd_changed(phydev, MDIO_MMD_VEND2, RTL822X_VND2_GBCR, ADVERTISE_1000FULL, val); if (ret < 0) return ret; if (ret > 0) changed = true; return genphy_c45_check_and_restart_aneg(phydev, changed); } static int rtl822x_c45_read_status(struct phy_device *phydev) { int ret, val; ret = genphy_c45_read_status(phydev); if (ret < 0) return ret; /* Vendor register as C45 has no standardized support for 1000BaseT */ if (phydev->autoneg == AUTONEG_ENABLE) { val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL822X_VND2_GANLPAR); if (val < 0) return val; mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val); } if (!phydev->link) return 0; /* Read actual speed from vendor register. */ val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL822X_VND2_PHYSR); if (val < 0) return val; rtlgen_decode_speed(phydev, val); return 0; } static int rtl822xb_c45_read_status(struct phy_device *phydev) { int ret; ret = rtl822x_c45_read_status(phydev); if (ret < 0) return ret; rtl822xb_update_interface(phydev); return 0; } static bool rtlgen_supports_2_5gbps(struct phy_device *phydev) { int val; phy_write(phydev, RTL821x_PAGE_SELECT, 0xa61); val = phy_read(phydev, 0x13); phy_write(phydev, RTL821x_PAGE_SELECT, 0); return val >= 0 && val & MDIO_PMA_SPEED_2_5G; } static int rtlgen_match_phy_device(struct phy_device *phydev) { return phydev->phy_id == RTL_GENERIC_PHYID && !rtlgen_supports_2_5gbps(phydev); } static int rtl8226_match_phy_device(struct phy_device *phydev) { return phydev->phy_id == RTL_GENERIC_PHYID && rtlgen_supports_2_5gbps(phydev); } static int rtlgen_is_c45_match(struct phy_device *phydev, unsigned int id, bool is_c45) { if (phydev->is_c45) return is_c45 && (id == phydev->c45_ids.device_ids[1]); else return !is_c45 && (id == phydev->phy_id); } static int rtl8221b_vb_cg_c22_match_phy_device(struct phy_device *phydev) { return rtlgen_is_c45_match(phydev, RTL_8221B_VB_CG, false); } static int rtl8221b_vb_cg_c45_match_phy_device(struct phy_device *phydev) { return rtlgen_is_c45_match(phydev, RTL_8221B_VB_CG, true); } static int rtl8221b_vn_cg_c22_match_phy_device(struct phy_device *phydev) { return rtlgen_is_c45_match(phydev, RTL_8221B_VN_CG, false); } static int rtl8221b_vn_cg_c45_match_phy_device(struct phy_device *phydev) { return rtlgen_is_c45_match(phydev, RTL_8221B_VN_CG, true); } static int rtlgen_resume(struct phy_device *phydev) { int ret = genphy_resume(phydev); /* Internal PHY's from RTL8168h up may not be instantly ready */ msleep(20); return ret; } static int rtlgen_c45_resume(struct phy_device *phydev) { int ret = genphy_c45_pma_resume(phydev); msleep(20); return ret; } static int rtl9000a_config_init(struct phy_device *phydev) { phydev->autoneg = AUTONEG_DISABLE; phydev->speed = SPEED_100; phydev->duplex = DUPLEX_FULL; return 0; } static int rtl9000a_config_aneg(struct phy_device *phydev) { int ret; u16 ctl = 0; switch (phydev->master_slave_set) { case MASTER_SLAVE_CFG_MASTER_FORCE: ctl |= CTL1000_AS_MASTER; break; case MASTER_SLAVE_CFG_SLAVE_FORCE: break; case MASTER_SLAVE_CFG_UNKNOWN: case MASTER_SLAVE_CFG_UNSUPPORTED: return 0; default: phydev_warn(phydev, "Unsupported Master/Slave mode\n"); return -EOPNOTSUPP; } ret = phy_modify_changed(phydev, MII_CTRL1000, CTL1000_AS_MASTER, ctl); if (ret == 1) ret = genphy_soft_reset(phydev); return ret; } static int rtl9000a_read_status(struct phy_device *phydev) { int ret; phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN; phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN; ret = genphy_update_link(phydev); if (ret) return ret; ret = phy_read(phydev, MII_CTRL1000); if (ret < 0) return ret; if (ret & CTL1000_AS_MASTER) phydev->master_slave_get = MASTER_SLAVE_CFG_MASTER_FORCE; else phydev->master_slave_get = MASTER_SLAVE_CFG_SLAVE_FORCE; ret = phy_read(phydev, MII_STAT1000); if (ret < 0) return ret; if (ret & LPA_1000MSRES) phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER; else phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE; return 0; } static int rtl9000a_ack_interrupt(struct phy_device *phydev) { int err; err = phy_read(phydev, RTL8211F_INSR); return (err < 0) ? err : 0; } static int rtl9000a_config_intr(struct phy_device *phydev) { u16 val; int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { err = rtl9000a_ack_interrupt(phydev); if (err) return err; val = (u16)~RTL9000A_GINMR_LINK_STATUS; err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val); } else { val = ~0; err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val); if (err) return err; err = rtl9000a_ack_interrupt(phydev); } return phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val); } static irqreturn_t rtl9000a_handle_interrupt(struct phy_device *phydev) { int irq_status; irq_status = phy_read(phydev, RTL8211F_INSR); if (irq_status < 0) { phy_error(phydev); return IRQ_NONE; } if (!(irq_status & RTL8211F_INER_LINK_STATUS)) return IRQ_NONE; phy_trigger_machine(phydev); return IRQ_HANDLED; } static struct phy_driver realtek_drvs[] = { { PHY_ID_MATCH_EXACT(0x00008201), .name = "RTL8201CP Ethernet", .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc816), .name = "RTL8201F Fast Ethernet", .config_intr = &rtl8201_config_intr, .handle_interrupt = rtl8201_handle_interrupt, .suspend = genphy_suspend, .resume = genphy_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_MODEL(0x001cc880), .name = "RTL8208 Fast Ethernet", .read_mmd = genphy_read_mmd_unsupported, .write_mmd = genphy_write_mmd_unsupported, .suspend = genphy_suspend, .resume = genphy_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc910), .name = "RTL8211 Gigabit Ethernet", .config_aneg = rtl8211_config_aneg, .read_mmd = &genphy_read_mmd_unsupported, .write_mmd = &genphy_write_mmd_unsupported, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc912), .name = "RTL8211B Gigabit Ethernet", .config_intr = &rtl8211b_config_intr, .handle_interrupt = rtl821x_handle_interrupt, .read_mmd = &genphy_read_mmd_unsupported, .write_mmd = &genphy_write_mmd_unsupported, .suspend = rtl8211b_suspend, .resume = rtl8211b_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc913), .name = "RTL8211C Gigabit Ethernet", .config_init = rtl8211c_config_init, .read_mmd = &genphy_read_mmd_unsupported, .write_mmd = &genphy_write_mmd_unsupported, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc914), .name = "RTL8211DN Gigabit Ethernet", .config_intr = rtl8211e_config_intr, .handle_interrupt = rtl821x_handle_interrupt, .suspend = genphy_suspend, .resume = genphy_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc915), .name = "RTL8211E Gigabit Ethernet", .config_init = &rtl8211e_config_init, .config_intr = &rtl8211e_config_intr, .handle_interrupt = rtl821x_handle_interrupt, .suspend = genphy_suspend, .resume = genphy_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc916), .name = "RTL8211F Gigabit Ethernet", .probe = rtl821x_probe, .config_init = &rtl8211f_config_init, .read_status = rtlgen_read_status, .config_intr = &rtl8211f_config_intr, .handle_interrupt = rtl8211f_handle_interrupt, .suspend = rtl821x_suspend, .resume = rtl821x_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, .flags = PHY_ALWAYS_CALL_SUSPEND, .led_hw_is_supported = rtl8211f_led_hw_is_supported, .led_hw_control_get = rtl8211f_led_hw_control_get, .led_hw_control_set = rtl8211f_led_hw_control_set, }, { PHY_ID_MATCH_EXACT(RTL_8211FVD_PHYID), .name = "RTL8211F-VD Gigabit Ethernet", .probe = rtl821x_probe, .config_init = &rtl8211f_config_init, .read_status = rtlgen_read_status, .config_intr = &rtl8211f_config_intr, .handle_interrupt = rtl8211f_handle_interrupt, .suspend = rtl821x_suspend, .resume = rtl821x_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, .flags = PHY_ALWAYS_CALL_SUSPEND, }, { .name = "Generic FE-GE Realtek PHY", .match_phy_device = rtlgen_match_phy_device, .read_status = rtlgen_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, .read_mmd = rtlgen_read_mmd, .write_mmd = rtlgen_write_mmd, }, { .name = "RTL8226 2.5Gbps PHY", .match_phy_device = rtl8226_match_phy_device, .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, .read_mmd = rtl822x_read_mmd, .write_mmd = rtl822x_write_mmd, }, { PHY_ID_MATCH_EXACT(0x001cc840), .name = "RTL8226B_RTL8221B 2.5Gbps PHY", .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl822xb_config_init, .get_rate_matching = rtl822xb_get_rate_matching, .read_status = rtl822xb_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, .read_mmd = rtl822x_read_mmd, .write_mmd = rtl822x_write_mmd, }, { PHY_ID_MATCH_EXACT(0x001cc838), .name = "RTL8226-CG 2.5Gbps PHY", .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc848), .name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY", .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl822xb_config_init, .get_rate_matching = rtl822xb_get_rate_matching, .read_status = rtl822xb_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { .match_phy_device = rtl8221b_vb_cg_c22_match_phy_device, .name = "RTL8221B-VB-CG 2.5Gbps PHY (C22)", .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl822xb_config_init, .get_rate_matching = rtl822xb_get_rate_matching, .read_status = rtl822xb_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { .match_phy_device = rtl8221b_vb_cg_c45_match_phy_device, .name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)", .config_init = rtl822xb_config_init, .get_rate_matching = rtl822xb_get_rate_matching, .get_features = rtl822x_c45_get_features, .config_aneg = rtl822x_c45_config_aneg, .read_status = rtl822xb_c45_read_status, .suspend = genphy_c45_pma_suspend, .resume = rtlgen_c45_resume, }, { .match_phy_device = rtl8221b_vn_cg_c22_match_phy_device, .name = "RTL8221B-VM-CG 2.5Gbps PHY (C22)", .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .config_init = rtl822xb_config_init, .get_rate_matching = rtl822xb_get_rate_matching, .read_status = rtl822xb_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { .match_phy_device = rtl8221b_vn_cg_c45_match_phy_device, .name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)", .config_init = rtl822xb_config_init, .get_rate_matching = rtl822xb_get_rate_matching, .get_features = rtl822x_c45_get_features, .config_aneg = rtl822x_c45_config_aneg, .read_status = rtl822xb_c45_read_status, .suspend = genphy_c45_pma_suspend, .resume = rtlgen_c45_resume, }, { PHY_ID_MATCH_EXACT(0x001cc862), .name = "RTL8251B 5Gbps PHY", .get_features = rtl822x_get_features, .config_aneg = rtl822x_config_aneg, .read_status = rtl822x_read_status, .suspend = genphy_suspend, .resume = rtlgen_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001ccad0), .name = "RTL8224 2.5Gbps PHY", .get_features = rtl822x_c45_get_features, .config_aneg = rtl822x_c45_config_aneg, .read_status = rtl822x_c45_read_status, .suspend = genphy_c45_pma_suspend, .resume = rtlgen_c45_resume, }, { PHY_ID_MATCH_EXACT(0x001cc961), .name = "RTL8366RB Gigabit Ethernet", .config_init = &rtl8366rb_config_init, /* These interrupts are handled by the irq controller * embedded inside the RTL8366RB, they get unmasked when the * irq is requested and ACKed by reading the status register, * which is done by the irqchip code. */ .config_intr = genphy_no_config_intr, .handle_interrupt = genphy_handle_interrupt_no_ack, .suspend = genphy_suspend, .resume = genphy_resume, }, { PHY_ID_MATCH_EXACT(0x001ccb00), .name = "RTL9000AA_RTL9000AN Ethernet", .features = PHY_BASIC_T1_FEATURES, .config_init = rtl9000a_config_init, .config_aneg = rtl9000a_config_aneg, .read_status = rtl9000a_read_status, .config_intr = rtl9000a_config_intr, .handle_interrupt = rtl9000a_handle_interrupt, .suspend = genphy_suspend, .resume = genphy_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { PHY_ID_MATCH_EXACT(0x001cc942), .name = "RTL8365MB-VC Gigabit Ethernet", /* Interrupt handling analogous to RTL8366RB */ .config_intr = genphy_no_config_intr, .handle_interrupt = genphy_handle_interrupt_no_ack, .suspend = genphy_suspend, .resume = genphy_resume, }, { PHY_ID_MATCH_EXACT(0x001cc960), .name = "RTL8366S Gigabit Ethernet", .suspend = genphy_suspend, .resume = genphy_resume, .read_mmd = genphy_read_mmd_unsupported, .write_mmd = genphy_write_mmd_unsupported, }, }; module_phy_driver(realtek_drvs); static const struct mdio_device_id __maybe_unused realtek_tbl[] = { { PHY_ID_MATCH_VENDOR(0x001cc800) }, { } }; MODULE_DEVICE_TABLE(mdio, realtek_tbl);
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