diff options
Diffstat (limited to 'drivers/net/phy/realtek.c')
| -rw-r--r-- | drivers/net/phy/realtek.c | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 5b466e80d956..c948af16fb13 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -39,11 +39,16 @@ #define RTL8366RB_POWER_SAVE 0x15 #define RTL8366RB_POWER_SAVE_ON BIT(12) +#define RTL_SUPPORTS_5000FULL BIT(14) +#define RTL_SUPPORTS_2500FULL BIT(13) +#define RTL_SUPPORTS_10000FULL BIT(0) #define RTL_ADV_2500FULL BIT(7) #define RTL_LPADV_10000FULL BIT(11) #define RTL_LPADV_5000FULL BIT(6) #define RTL_LPADV_2500FULL BIT(5) +#define RTL_GENERIC_PHYID 0x001cc800 + MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); MODULE_LICENSE("GPL"); @@ -263,8 +268,18 @@ static int rtl8366rb_config_init(struct phy_device *phydev) static int rtl8125_get_features(struct phy_device *phydev) { - linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, - phydev->supported); + 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 & RTL_SUPPORTS_2500FULL); + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + phydev->supported, val & RTL_SUPPORTS_5000FULL); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + phydev->supported, val & RTL_SUPPORTS_10000FULL); return genphy_read_abilities(phydev); } @@ -308,6 +323,29 @@ static int rtl8125_read_status(struct phy_device *phydev) return genphy_read_status(phydev); } +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 & RTL_SUPPORTS_2500FULL; +} + +static int rtlgen_match_phy_device(struct phy_device *phydev) +{ + return phydev->phy_id == RTL_GENERIC_PHYID && + !rtlgen_supports_2_5gbps(phydev); +} + +static int rtl8125_match_phy_device(struct phy_device *phydev) +{ + return phydev->phy_id == RTL_GENERIC_PHYID && + rtlgen_supports_2_5gbps(phydev); +} + static struct phy_driver realtek_drvs[] = { { PHY_ID_MATCH_EXACT(0x00008201), @@ -378,15 +416,15 @@ static struct phy_driver realtek_drvs[] = { .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { - PHY_ID_MATCH_EXACT(0x001cc800), - .name = "Generic Realtek PHY", + .name = "Generic FE-GE Realtek PHY", + .match_phy_device = rtlgen_match_phy_device, .suspend = genphy_suspend, .resume = genphy_resume, .read_page = rtl821x_read_page, .write_page = rtl821x_write_page, }, { - PHY_ID_MATCH_EXACT(0x001cca50), .name = "RTL8125 2.5Gbps internal", + .match_phy_device = rtl8125_match_phy_device, .get_features = rtl8125_get_features, .config_aneg = rtl8125_config_aneg, .read_status = rtl8125_read_status, |