help
Currently supports the qs6612
-config REALTEK_PHY
- tristate "Realtek PHYs"
- help
- Supports the Realtek 821x PHY.
+source "drivers/net/phy/realtek/Kconfig"
config RENESAS_PHY
tristate "Renesas PHYs"
obj-$(CONFIG_NXP_TJA11XX_PHY) += nxp-tja11xx.o
obj-y += qcom/
obj-$(CONFIG_QSEMI_PHY) += qsemi.o
-obj-$(CONFIG_REALTEK_PHY) += realtek.o
+obj-$(CONFIG_REALTEK_PHY) += realtek/
obj-$(CONFIG_RENESAS_PHY) += uPD60620.o
obj-$(CONFIG_ROCKCHIP_PHY) += rockchip.o
obj-$(CONFIG_SMSC_PHY) += smsc.o
+++ /dev/null
-// 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 RTL8366RB_POWER_SAVE 0x15
-#define RTL8366RB_POWER_SAVE_ON BIT(12)
-
-#define RTL9000A_GINMR 0x14
-#define RTL9000A_GINMR_LINK_STATUS BIT(4)
-
-#define RTL_VND2_PHYSR 0xa434
-#define RTL_VND2_PHYSR_DUPLEX BIT(3)
-#define RTL_VND2_PHYSR_SPEEDL GENMASK(5, 4)
-#define RTL_VND2_PHYSR_SPEEDH GENMASK(10, 9)
-#define RTL_VND2_PHYSR_MASTER BIT(11)
-#define RTL_VND2_PHYSR_SPEED_MASK (RTL_VND2_PHYSR_SPEEDL | RTL_VND2_PHYSR_SPEEDH)
-
-#define RTL_GENERIC_PHYID 0x001cc800
-#define RTL_8211FVD_PHYID 0x001cc878
-#define RTL_8221B 0x001cc840
-#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;
-
- if (index >= RTL8211F_LED_COUNT)
- return -EINVAL;
-
- 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_physr(struct phy_device *phydev, int val)
-{
- /* bit 3
- * 0: Half Duplex
- * 1: Full Duplex
- */
- if (val & RTL_VND2_PHYSR_DUPLEX)
- phydev->duplex = DUPLEX_FULL;
- else
- phydev->duplex = DUPLEX_HALF;
-
- switch (val & RTL_VND2_PHYSR_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;
- }
-
- /* bit 11
- * 0: Slave Mode
- * 1: Master Mode
- */
- if (phydev->speed >= 1000) {
- if (val & RTL_VND2_PHYSR_MASTER)
- phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER;
- else
- phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE;
- } else {
- phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
- }
-}
-
-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_physr(phydev, val);
-
- return 0;
-}
-
-static int rtlgen_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
-{
- int ret;
-
- if (devnum == MDIO_MMD_VEND2) {
- rtl821x_write_page(phydev, regnum >> 4);
- ret = __phy_read(phydev, 0x10 + ((regnum & 0xf) >> 1));
- rtl821x_write_page(phydev, 0);
- } else 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_VEND2) {
- rtl821x_write_page(phydev, regnum >> 4);
- ret = __phy_write(phydev, 0x10 + ((regnum & 0xf) >> 1), val);
- rtl821x_write_page(phydev, 0);
- } else 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)
-{
- int lpadv, ret;
-
- ret = rtlgen_read_status(phydev);
- if (ret < 0)
- return ret;
-
- if (phydev->autoneg == AUTONEG_DISABLE ||
- !phydev->autoneg_complete) {
- mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
- return 0;
- }
-
- lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
- if (lpadv < 0)
- return lpadv;
-
- mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, lpadv);
-
- return 0;
-}
-
-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;
-
- if (phydev->autoneg == AUTONEG_DISABLE ||
- !genphy_c45_aneg_done(phydev))
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
-
- /* 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, RTL_VND2_PHYSR);
- if (val < 0)
- return val;
-
- rtlgen_decode_physr(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;
-}
-
-/* On internal PHY's MMD reads over C22 always return 0.
- * Check a MMD register which is known to be non-zero.
- */
-static bool rtlgen_supports_mmd(struct phy_device *phydev)
-{
- int val;
-
- phy_lock_mdio_bus(phydev);
- __phy_write(phydev, MII_MMD_CTRL, MDIO_MMD_PCS);
- __phy_write(phydev, MII_MMD_DATA, MDIO_PCS_EEE_ABLE);
- __phy_write(phydev, MII_MMD_CTRL, MDIO_MMD_PCS | MII_MMD_CTRL_NOINCR);
- val = __phy_read(phydev, MII_MMD_DATA);
- phy_unlock_mdio_bus(phydev);
-
- return val > 0;
-}
-
-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) &&
- rtlgen_supports_mmd(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_match_phy_device(struct phy_device *phydev)
-{
- return phydev->phy_id == RTL_8221B && rtlgen_supports_mmd(phydev);
-}
-
-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 rtl_internal_nbaset_match_phy_device(struct phy_device *phydev)
-{
- if (phydev->is_c45)
- return false;
-
- switch (phydev->phy_id) {
- case RTL_GENERIC_PHYID:
- case RTL_8221B:
- case RTL_8251B:
- case 0x001cc841:
- break;
- default:
- return false;
- }
-
- return rtlgen_supports_2_5gbps(phydev) && !rtlgen_supports_mmd(phydev);
-}
-
-static int rtl8251b_c45_match_phy_device(struct phy_device *phydev)
-{
- return rtlgen_is_c45_match(phydev, RTL_8251B, 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,
- }, {
- .match_phy_device = rtl8221b_match_phy_device,
- .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,
- }, {
- 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,
- }, {
- .match_phy_device = rtl8251b_c45_match_phy_device,
- .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,
- }, {
- .match_phy_device = rtl_internal_nbaset_match_phy_device,
- .name = "Realtek Internal NBASE-T PHY",
- .flags = PHY_IS_INTERNAL,
- .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(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);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+config REALTEK_PHY
+ tristate "Realtek PHYs"
+ help
+ Currently supports RTL821x/RTL822x and fast ethernet PHYs
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+realtek-y += realtek_main.o
+obj-$(CONFIG_REALTEK_PHY) += realtek.o
--- /dev/null
+// 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 RTL8366RB_POWER_SAVE 0x15
+#define RTL8366RB_POWER_SAVE_ON BIT(12)
+
+#define RTL9000A_GINMR 0x14
+#define RTL9000A_GINMR_LINK_STATUS BIT(4)
+
+#define RTL_VND2_PHYSR 0xa434
+#define RTL_VND2_PHYSR_DUPLEX BIT(3)
+#define RTL_VND2_PHYSR_SPEEDL GENMASK(5, 4)
+#define RTL_VND2_PHYSR_SPEEDH GENMASK(10, 9)
+#define RTL_VND2_PHYSR_MASTER BIT(11)
+#define RTL_VND2_PHYSR_SPEED_MASK (RTL_VND2_PHYSR_SPEEDL | RTL_VND2_PHYSR_SPEEDH)
+
+#define RTL_GENERIC_PHYID 0x001cc800
+#define RTL_8211FVD_PHYID 0x001cc878
+#define RTL_8221B 0x001cc840
+#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;
+
+ if (index >= RTL8211F_LED_COUNT)
+ return -EINVAL;
+
+ 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_physr(struct phy_device *phydev, int val)
+{
+ /* bit 3
+ * 0: Half Duplex
+ * 1: Full Duplex
+ */
+ if (val & RTL_VND2_PHYSR_DUPLEX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ switch (val & RTL_VND2_PHYSR_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;
+ }
+
+ /* bit 11
+ * 0: Slave Mode
+ * 1: Master Mode
+ */
+ if (phydev->speed >= 1000) {
+ if (val & RTL_VND2_PHYSR_MASTER)
+ phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER;
+ else
+ phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE;
+ } else {
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
+ }
+}
+
+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_physr(phydev, val);
+
+ return 0;
+}
+
+static int rtlgen_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
+{
+ int ret;
+
+ if (devnum == MDIO_MMD_VEND2) {
+ rtl821x_write_page(phydev, regnum >> 4);
+ ret = __phy_read(phydev, 0x10 + ((regnum & 0xf) >> 1));
+ rtl821x_write_page(phydev, 0);
+ } else 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_VEND2) {
+ rtl821x_write_page(phydev, regnum >> 4);
+ ret = __phy_write(phydev, 0x10 + ((regnum & 0xf) >> 1), val);
+ rtl821x_write_page(phydev, 0);
+ } else 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)
+{
+ int lpadv, ret;
+
+ ret = rtlgen_read_status(phydev);
+ if (ret < 0)
+ return ret;
+
+ if (phydev->autoneg == AUTONEG_DISABLE ||
+ !phydev->autoneg_complete) {
+ mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+ return 0;
+ }
+
+ lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
+ if (lpadv < 0)
+ return lpadv;
+
+ mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, lpadv);
+
+ return 0;
+}
+
+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;
+
+ if (phydev->autoneg == AUTONEG_DISABLE ||
+ !genphy_c45_aneg_done(phydev))
+ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+
+ /* 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, RTL_VND2_PHYSR);
+ if (val < 0)
+ return val;
+
+ rtlgen_decode_physr(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;
+}
+
+/* On internal PHY's MMD reads over C22 always return 0.
+ * Check a MMD register which is known to be non-zero.
+ */
+static bool rtlgen_supports_mmd(struct phy_device *phydev)
+{
+ int val;
+
+ phy_lock_mdio_bus(phydev);
+ __phy_write(phydev, MII_MMD_CTRL, MDIO_MMD_PCS);
+ __phy_write(phydev, MII_MMD_DATA, MDIO_PCS_EEE_ABLE);
+ __phy_write(phydev, MII_MMD_CTRL, MDIO_MMD_PCS | MII_MMD_CTRL_NOINCR);
+ val = __phy_read(phydev, MII_MMD_DATA);
+ phy_unlock_mdio_bus(phydev);
+
+ return val > 0;
+}
+
+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) &&
+ rtlgen_supports_mmd(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_match_phy_device(struct phy_device *phydev)
+{
+ return phydev->phy_id == RTL_8221B && rtlgen_supports_mmd(phydev);
+}
+
+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 rtl_internal_nbaset_match_phy_device(struct phy_device *phydev)
+{
+ if (phydev->is_c45)
+ return false;
+
+ switch (phydev->phy_id) {
+ case RTL_GENERIC_PHYID:
+ case RTL_8221B:
+ case RTL_8251B:
+ case 0x001cc841:
+ break;
+ default:
+ return false;
+ }
+
+ return rtlgen_supports_2_5gbps(phydev) && !rtlgen_supports_mmd(phydev);
+}
+
+static int rtl8251b_c45_match_phy_device(struct phy_device *phydev)
+{
+ return rtlgen_is_c45_match(phydev, RTL_8251B, 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,
+ }, {
+ .match_phy_device = rtl8221b_match_phy_device,
+ .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,
+ }, {
+ 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,
+ }, {
+ .match_phy_device = rtl8251b_c45_match_phy_device,
+ .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,
+ }, {
+ .match_phy_device = rtl_internal_nbaset_match_phy_device,
+ .name = "Realtek Internal NBASE-T PHY",
+ .flags = PHY_IS_INTERNAL,
+ .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(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);
projects / linux-2.6-block.git / commitdiff