diff options
Diffstat (limited to 'include/linux/mdio.h')
| -rw-r--r-- | include/linux/mdio.h | 150 |
1 files changed, 108 insertions, 42 deletions
diff --git a/include/linux/mdio.h b/include/linux/mdio.h index f7fbbf3069e7..27013d6bf24a 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -10,14 +10,6 @@ #include <linux/bitfield.h> #include <linux/mod_devicetable.h> -/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit - * IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. - */ -#define MII_ADDR_C45 (1<<30) -#define MII_DEVADDR_C45_SHIFT 16 -#define MII_DEVADDR_C45_MASK GENMASK(20, 16) -#define MII_REGADDR_C45_MASK GENMASK(15, 0) - struct gpio_desc; struct mii_bus; struct reset_control; @@ -410,6 +402,90 @@ static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising) return result; } +/** + * mii_eee_cap1_mod_linkmode_t() + * @adv: target the linkmode advertisement settings + * @val: register value + * + * A function that translates value of following registers to the linkmode: + * IEEE 802.3-2018 45.2.3.10 "EEE control and capability 1" register (3.20) + * IEEE 802.3-2018 45.2.7.13 "EEE advertisement 1" register (7.60) + * IEEE 802.3-2018 45.2.7.14 "EEE "link partner ability 1 register (7.61) + */ +static inline void mii_eee_cap1_mod_linkmode_t(unsigned long *adv, u32 val) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + adv, val & MDIO_EEE_100TX); + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + adv, val & MDIO_EEE_1000T); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + adv, val & MDIO_EEE_10GT); + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, + adv, val & MDIO_EEE_1000KX); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, + adv, val & MDIO_EEE_10GKX4); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + adv, val & MDIO_EEE_10GKR); +} + +/** + * linkmode_to_mii_eee_cap1_t() + * @adv: the linkmode advertisement settings + * + * A function that translates linkmode to value for IEEE 802.3-2018 45.2.7.13 + * "EEE advertisement 1" register (7.60) + */ +static inline u32 linkmode_to_mii_eee_cap1_t(unsigned long *adv) +{ + u32 result = 0; + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, adv)) + result |= MDIO_EEE_100TX; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, adv)) + result |= MDIO_EEE_1000T; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, adv)) + result |= MDIO_EEE_10GT; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, adv)) + result |= MDIO_EEE_1000KX; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, adv)) + result |= MDIO_EEE_10GKX4; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, adv)) + result |= MDIO_EEE_10GKR; + + return result; +} + +/** + * mii_10base_t1_adv_mod_linkmode_t() + * @adv: linkmode advertisement settings + * @val: register value + * + * A function that translates IEEE 802.3cg-2019 45.2.7.26 "10BASE-T1 AN status" + * register (7.527) value to the linkmode. + */ +static inline void mii_10base_t1_adv_mod_linkmode_t(unsigned long *adv, u16 val) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, + adv, val & MDIO_AN_10BT1_AN_CTRL_ADV_EEE_T1L); +} + +/** + * linkmode_adv_to_mii_10base_t1_t() + * @adv: linkmode advertisement settings + * + * A function that translates the linkmode to IEEE 802.3cg-2019 45.2.7.25 + * "10BASE-T1 AN control" register (7.526) value. + */ +static inline u32 linkmode_adv_to_mii_10base_t1_t(unsigned long *adv) +{ + u32 result = 0; + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, adv)) + result |= MDIO_AN_10BT1_AN_CTRL_ADV_EEE_T1L; + + return result; +} + int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); int __mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum, @@ -423,6 +499,21 @@ int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask, u16 set); int mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum, u16 mask, u16 set); +int __mdiobus_c45_read(struct mii_bus *bus, int addr, int devad, u32 regnum); +int mdiobus_c45_read(struct mii_bus *bus, int addr, int devad, u32 regnum); +int mdiobus_c45_read_nested(struct mii_bus *bus, int addr, int devad, + u32 regnum); +int __mdiobus_c45_write(struct mii_bus *bus, int addr, int devad, u32 regnum, + u16 val); +int mdiobus_c45_write(struct mii_bus *bus, int addr, int devad, u32 regnum, + u16 val); +int mdiobus_c45_write_nested(struct mii_bus *bus, int addr, int devad, + u32 regnum, u16 val); +int mdiobus_c45_modify(struct mii_bus *bus, int addr, int devad, u32 regnum, + u16 mask, u16 set); + +int mdiobus_c45_modify_changed(struct mii_bus *bus, int addr, int devad, + u32 regnum, u16 mask, u16 set); static inline int mdiodev_read(struct mdio_device *mdiodev, u32 regnum) { @@ -448,44 +539,19 @@ static inline int mdiodev_modify_changed(struct mdio_device *mdiodev, mask, set); } -static inline u32 mdiobus_c45_addr(int devad, u16 regnum) -{ - return MII_ADDR_C45 | devad << MII_DEVADDR_C45_SHIFT | regnum; -} - -static inline u16 mdiobus_c45_regad(u32 regnum) -{ - return FIELD_GET(MII_REGADDR_C45_MASK, regnum); -} - -static inline u16 mdiobus_c45_devad(u32 regnum) +static inline int mdiodev_c45_modify(struct mdio_device *mdiodev, int devad, + u32 regnum, u16 mask, u16 set) { - return FIELD_GET(MII_DEVADDR_C45_MASK, regnum); + return mdiobus_c45_modify(mdiodev->bus, mdiodev->addr, devad, regnum, + mask, set); } -static inline int __mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad, - u16 regnum) -{ - return __mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum)); -} - -static inline int __mdiobus_c45_write(struct mii_bus *bus, int prtad, int devad, - u16 regnum, u16 val) -{ - return __mdiobus_write(bus, prtad, mdiobus_c45_addr(devad, regnum), - val); -} - -static inline int mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad, - u16 regnum) -{ - return mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum)); -} - -static inline int mdiobus_c45_write(struct mii_bus *bus, int prtad, int devad, - u16 regnum, u16 val) +static inline int mdiodev_c45_modify_changed(struct mdio_device *mdiodev, + int devad, u32 regnum, u16 mask, + u16 set) { - return mdiobus_write(bus, prtad, mdiobus_c45_addr(devad, regnum), val); + return mdiobus_c45_modify_changed(mdiodev->bus, mdiodev->addr, devad, + regnum, mask, set); } static inline int mdiodev_c45_read(struct mdio_device *mdiodev, int devad, |