diff options
Diffstat (limited to 'drivers/net/phy/realtek.c')
| -rw-r--r-- | drivers/net/phy/realtek.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c deleted file mode 100644 index 75543f9370f3..000000000000 --- a/drivers/net/phy/realtek.c +++ /dev/null @@ -1,292 +0,0 @@ -// 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/phy.h> -#include <linux/module.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_PAGE_SELECT 0x1f - -#define RTL8211F_INSR 0x1d - -#define RTL8211F_TX_DELAY BIT(8) - -#define RTL8201F_ISR 0x1e -#define RTL8201F_IER 0x13 - -#define RTL8366RB_POWER_SAVE 0x15 -#define RTL8366RB_POWER_SAVE_ON BIT(12) - -MODULE_DESCRIPTION("Realtek PHY driver"); -MODULE_AUTHOR("Johnson Leung"); -MODULE_LICENSE("GPL"); - -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 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; - - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - val = BIT(13) | BIT(12) | BIT(11); - else - val = 0; - - return phy_write_paged(phydev, 0x7, RTL8201F_IER, val); -} - -static int rtl8211b_config_intr(struct phy_device *phydev) -{ - int err; - - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - err = phy_write(phydev, RTL821x_INER, - RTL8211B_INER_INIT); - else - err = phy_write(phydev, RTL821x_INER, 0); - - return err; -} - -static int rtl8211e_config_intr(struct phy_device *phydev) -{ - int err; - - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - err = phy_write(phydev, RTL821x_INER, - RTL8211E_INER_LINK_STATUS); - else - err = phy_write(phydev, RTL821x_INER, 0); - - return err; -} - -static int rtl8211f_config_intr(struct phy_device *phydev) -{ - u16 val; - - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - val = RTL8211F_INER_LINK_STATUS; - else - val = 0; - - return phy_write_paged(phydev, 0xa42, RTL821x_INER, val); -} - -static int rtl8211_config_aneg(struct phy_device *phydev) -{ - int ret; - - ret = genphy_config_aneg(phydev); - if (ret < 0) - return ret; - - /* Quirk was copied from vendor driver. Unfortunately it includes no - * description of the magic numbers. - */ - if (phydev->speed == SPEED_100 && phydev->autoneg == AUTONEG_DISABLE) { - phy_write(phydev, 0x17, 0x2138); - phy_write(phydev, 0x0e, 0x0260); - } else { - phy_write(phydev, 0x17, 0x2108); - phy_write(phydev, 0x0e, 0x0000); - } - - return 0; -} - -static int rtl8211c_config_init(struct phy_device *phydev) -{ - /* RTL8211C has an issue when operating in Gigabit slave mode */ - phy_set_bits(phydev, MII_CTRL1000, - CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER); - - return genphy_config_init(phydev); -} - -static int rtl8211f_config_init(struct phy_device *phydev) -{ - int ret; - u16 val = 0; - - ret = genphy_config_init(phydev); - if (ret < 0) - return ret; - - /* enable TX-delay for rgmii-id and rgmii-txid, otherwise disable it */ - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || - phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) - val = RTL8211F_TX_DELAY; - - return phy_modify_paged(phydev, 0xd08, 0x11, RTL8211F_TX_DELAY, val); -} - -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 = genphy_config_init(phydev); - if (ret < 0) - return ret; - - ret = phy_set_bits(phydev, RTL8366RB_POWER_SAVE, - RTL8366RB_POWER_SAVE_ON); - if (ret) { - dev_err(&phydev->mdio.dev, - "error enabling power management\n"); - } - - return ret; -} - -static struct phy_driver realtek_drvs[] = { - { - PHY_ID_MATCH_EXACT(0x00008201), - .name = "RTL8201CP Ethernet", - .features = PHY_BASIC_FEATURES, - }, { - PHY_ID_MATCH_EXACT(0x001cc816), - .name = "RTL8201F Fast Ethernet", - .features = PHY_BASIC_FEATURES, - .ack_interrupt = &rtl8201_ack_interrupt, - .config_intr = &rtl8201_config_intr, - .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", - .features = PHY_GBIT_FEATURES, - .config_aneg = rtl8211_config_aneg, - .read_mmd = &genphy_read_mmd_unsupported, - .write_mmd = &genphy_write_mmd_unsupported, - }, { - PHY_ID_MATCH_EXACT(0x001cc912), - .name = "RTL8211B Gigabit Ethernet", - .features = PHY_GBIT_FEATURES, - .ack_interrupt = &rtl821x_ack_interrupt, - .config_intr = &rtl8211b_config_intr, - .read_mmd = &genphy_read_mmd_unsupported, - .write_mmd = &genphy_write_mmd_unsupported, - .suspend = rtl8211b_suspend, - .resume = rtl8211b_resume, - }, { - PHY_ID_MATCH_EXACT(0x001cc913), - .name = "RTL8211C Gigabit Ethernet", - .features = PHY_GBIT_FEATURES, - .config_init = rtl8211c_config_init, - .read_mmd = &genphy_read_mmd_unsupported, - .write_mmd = &genphy_write_mmd_unsupported, - }, { - PHY_ID_MATCH_EXACT(0x001cc914), - .name = "RTL8211DN Gigabit Ethernet", - .features = PHY_GBIT_FEATURES, - .ack_interrupt = rtl821x_ack_interrupt, - .config_intr = rtl8211e_config_intr, - .suspend = genphy_suspend, - .resume = genphy_resume, - }, { - PHY_ID_MATCH_EXACT(0x001cc915), - .name = "RTL8211E Gigabit Ethernet", - .features = PHY_GBIT_FEATURES, - .ack_interrupt = &rtl821x_ack_interrupt, - .config_intr = &rtl8211e_config_intr, - .suspend = genphy_suspend, - .resume = genphy_resume, - }, { - PHY_ID_MATCH_EXACT(0x001cc916), - .name = "RTL8211F Gigabit Ethernet", - .features = PHY_GBIT_FEATURES, - .config_init = &rtl8211f_config_init, - .ack_interrupt = &rtl8211f_ack_interrupt, - .config_intr = &rtl8211f_config_intr, - .suspend = genphy_suspend, - .resume = genphy_resume, - .read_page = rtl821x_read_page, - .write_page = rtl821x_write_page, - }, { - PHY_ID_MATCH_EXACT(0x001cc961), - .name = "RTL8366RB Gigabit Ethernet", - .features = PHY_GBIT_FEATURES, - .config_init = &rtl8366rb_config_init, - .suspend = genphy_suspend, - .resume = genphy_resume, - }, -}; - -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); |