| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * linux/mdio.h: definitions for MDIO (clause 45) transceivers |
| * Copyright 2006-2009 Solarflare Communications Inc. |
| */ |
| #ifndef __LINUX_MDIO_H__ |
| #define __LINUX_MDIO_H__ |
| |
| #include <uapi/linux/mdio.h> |
| #include <linux/bitfield.h> |
| #include <linux/mod_devicetable.h> |
| |
| struct gpio_desc; |
| struct mii_bus; |
| struct reset_control; |
| |
| /* Multiple levels of nesting are possible. However typically this is |
| * limited to nested DSA like layer, a MUX layer, and the normal |
| * user. Instead of trying to handle the general case, just define |
| * these cases. |
| */ |
| enum mdio_mutex_lock_class { |
| MDIO_MUTEX_NORMAL, |
| MDIO_MUTEX_MUX, |
| MDIO_MUTEX_NESTED, |
| }; |
| |
| struct mdio_device { |
| struct device dev; |
| |
| struct mii_bus *bus; |
| char modalias[MDIO_NAME_SIZE]; |
| |
| int (*bus_match)(struct device *dev, struct device_driver *drv); |
| void (*device_free)(struct mdio_device *mdiodev); |
| void (*device_remove)(struct mdio_device *mdiodev); |
| |
| /* Bus address of the MDIO device (0-31) */ |
| int addr; |
| int flags; |
| int reset_state; |
| struct gpio_desc *reset_gpio; |
| struct reset_control *reset_ctrl; |
| unsigned int reset_assert_delay; |
| unsigned int reset_deassert_delay; |
| }; |
| |
| static inline struct mdio_device *to_mdio_device(const struct device *dev) |
| { |
| return container_of(dev, struct mdio_device, dev); |
| } |
| |
| /* struct mdio_driver_common: Common to all MDIO drivers */ |
| struct mdio_driver_common { |
| struct device_driver driver; |
| int flags; |
| }; |
| #define MDIO_DEVICE_FLAG_PHY 1 |
| |
| static inline struct mdio_driver_common * |
| to_mdio_common_driver(const struct device_driver *driver) |
| { |
| return container_of(driver, struct mdio_driver_common, driver); |
| } |
| |
| /* struct mdio_driver: Generic MDIO driver */ |
| struct mdio_driver { |
| struct mdio_driver_common mdiodrv; |
| |
| /* |
| * Called during discovery. Used to set |
| * up device-specific structures, if any |
| */ |
| int (*probe)(struct mdio_device *mdiodev); |
| |
| /* Clears up any memory if needed */ |
| void (*remove)(struct mdio_device *mdiodev); |
| |
| /* Quiesces the device on system shutdown, turns off interrupts etc */ |
| void (*shutdown)(struct mdio_device *mdiodev); |
| }; |
| |
| static inline struct mdio_driver * |
| to_mdio_driver(const struct device_driver *driver) |
| { |
| return container_of(to_mdio_common_driver(driver), struct mdio_driver, |
| mdiodrv); |
| } |
| |
| /* device driver data */ |
| static inline void mdiodev_set_drvdata(struct mdio_device *mdio, void *data) |
| { |
| dev_set_drvdata(&mdio->dev, data); |
| } |
| |
| static inline void *mdiodev_get_drvdata(struct mdio_device *mdio) |
| { |
| return dev_get_drvdata(&mdio->dev); |
| } |
| |
| void mdio_device_free(struct mdio_device *mdiodev); |
| struct mdio_device *mdio_device_create(struct mii_bus *bus, int addr); |
| int mdio_device_register(struct mdio_device *mdiodev); |
| void mdio_device_remove(struct mdio_device *mdiodev); |
| void mdio_device_reset(struct mdio_device *mdiodev, int value); |
| int mdio_driver_register(struct mdio_driver *drv); |
| void mdio_driver_unregister(struct mdio_driver *drv); |
| int mdio_device_bus_match(struct device *dev, struct device_driver *drv); |
| |
| static inline void mdio_device_get(struct mdio_device *mdiodev) |
| { |
| get_device(&mdiodev->dev); |
| } |
| |
| static inline void mdio_device_put(struct mdio_device *mdiodev) |
| { |
| mdio_device_free(mdiodev); |
| } |
| |
| static inline bool mdio_phy_id_is_c45(int phy_id) |
| { |
| return (phy_id & MDIO_PHY_ID_C45) && !(phy_id & ~MDIO_PHY_ID_C45_MASK); |
| } |
| |
| static inline __u16 mdio_phy_id_prtad(int phy_id) |
| { |
| return (phy_id & MDIO_PHY_ID_PRTAD) >> 5; |
| } |
| |
| static inline __u16 mdio_phy_id_devad(int phy_id) |
| { |
| return phy_id & MDIO_PHY_ID_DEVAD; |
| } |
| |
| /** |
| * struct mdio_if_info - Ethernet controller MDIO interface |
| * @prtad: PRTAD of the PHY (%MDIO_PRTAD_NONE if not present/unknown) |
| * @mmds: Mask of MMDs expected to be present in the PHY. This must be |
| * non-zero unless @prtad = %MDIO_PRTAD_NONE. |
| * @mode_support: MDIO modes supported. If %MDIO_SUPPORTS_C22 is set then |
| * MII register access will be passed through with @devad = |
| * %MDIO_DEVAD_NONE. If %MDIO_EMULATE_C22 is set then access to |
| * commonly used clause 22 registers will be translated into |
| * clause 45 registers. |
| * @dev: Net device structure |
| * @mdio_read: Register read function; returns value or negative error code |
| * @mdio_write: Register write function; returns 0 or negative error code |
| */ |
| struct mdio_if_info { |
| int prtad; |
| u32 mmds; |
| unsigned mode_support; |
| |
| struct net_device *dev; |
| int (*mdio_read)(struct net_device *dev, int prtad, int devad, |
| u16 addr); |
| int (*mdio_write)(struct net_device *dev, int prtad, int devad, |
| u16 addr, u16 val); |
| }; |
| |
| #define MDIO_PRTAD_NONE (-1) |
| #define MDIO_DEVAD_NONE (-1) |
| #define MDIO_SUPPORTS_C22 1 |
| #define MDIO_SUPPORTS_C45 2 |
| #define MDIO_EMULATE_C22 4 |
| |
| struct ethtool_cmd; |
| struct ethtool_pauseparam; |
| extern int mdio45_probe(struct mdio_if_info *mdio, int prtad); |
| extern int mdio_set_flag(const struct mdio_if_info *mdio, |
| int prtad, int devad, u16 addr, int mask, |
| bool sense); |
| extern int mdio45_links_ok(const struct mdio_if_info *mdio, u32 mmds); |
| extern int mdio45_nway_restart(const struct mdio_if_info *mdio); |
| extern void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio, |
| struct ethtool_cmd *ecmd, |
| u32 npage_adv, u32 npage_lpa); |
| extern void |
| mdio45_ethtool_ksettings_get_npage(const struct mdio_if_info *mdio, |
| struct ethtool_link_ksettings *cmd, |
| u32 npage_adv, u32 npage_lpa); |
| |
| /** |
| * mdio45_ethtool_gset - get settings for ETHTOOL_GSET |
| * @mdio: MDIO interface |
| * @ecmd: Ethtool request structure |
| * |
| * Since the CSRs for auto-negotiation using next pages are not fully |
| * standardised, this function does not attempt to decode them. Use |
| * mdio45_ethtool_gset_npage() to specify advertisement bits from next |
| * pages. |
| */ |
| static inline void mdio45_ethtool_gset(const struct mdio_if_info *mdio, |
| struct ethtool_cmd *ecmd) |
| { |
| mdio45_ethtool_gset_npage(mdio, ecmd, 0, 0); |
| } |
| |
| /** |
| * mdio45_ethtool_ksettings_get - get settings for ETHTOOL_GLINKSETTINGS |
| * @mdio: MDIO interface |
| * @cmd: Ethtool request structure |
| * |
| * Since the CSRs for auto-negotiation using next pages are not fully |
| * standardised, this function does not attempt to decode them. Use |
| * mdio45_ethtool_ksettings_get_npage() to specify advertisement bits |
| * from next pages. |
| */ |
| static inline void |
| mdio45_ethtool_ksettings_get(const struct mdio_if_info *mdio, |
| struct ethtool_link_ksettings *cmd) |
| { |
| mdio45_ethtool_ksettings_get_npage(mdio, cmd, 0, 0); |
| } |
| |
| extern int mdio_mii_ioctl(const struct mdio_if_info *mdio, |
| struct mii_ioctl_data *mii_data, int cmd); |
| |
| /** |
| * mmd_eee_cap_to_ethtool_sup_t |
| * @eee_cap: value of the MMD EEE Capability register |
| * |
| * A small helper function that translates MMD EEE Capability (3.20) bits |
| * to ethtool supported settings. |
| */ |
| static inline u32 mmd_eee_cap_to_ethtool_sup_t(u16 eee_cap) |
| { |
| u32 supported = 0; |
| |
| if (eee_cap & MDIO_EEE_100TX) |
| supported |= SUPPORTED_100baseT_Full; |
| if (eee_cap & MDIO_EEE_1000T) |
| supported |= SUPPORTED_1000baseT_Full; |
| if (eee_cap & MDIO_EEE_10GT) |
| supported |= SUPPORTED_10000baseT_Full; |
| if (eee_cap & MDIO_EEE_1000KX) |
| supported |= SUPPORTED_1000baseKX_Full; |
| if (eee_cap & MDIO_EEE_10GKX4) |
| supported |= SUPPORTED_10000baseKX4_Full; |
| if (eee_cap & MDIO_EEE_10GKR) |
| supported |= SUPPORTED_10000baseKR_Full; |
| |
| return supported; |
| } |
| |
| /** |
| * mmd_eee_adv_to_ethtool_adv_t |
| * @eee_adv: value of the MMD EEE Advertisement/Link Partner Ability registers |
| * |
| * A small helper function that translates the MMD EEE Advertisment (7.60) |
| * and MMD EEE Link Partner Ability (7.61) bits to ethtool advertisement |
| * settings. |
| */ |
| static inline u32 mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv) |
| { |
| u32 adv = 0; |
| |
| if (eee_adv & MDIO_EEE_100TX) |
| adv |= ADVERTISED_100baseT_Full; |
| if (eee_adv & MDIO_EEE_1000T) |
| adv |= ADVERTISED_1000baseT_Full; |
| if (eee_adv & MDIO_EEE_10GT) |
| adv |= ADVERTISED_10000baseT_Full; |
| if (eee_adv & MDIO_EEE_1000KX) |
| adv |= ADVERTISED_1000baseKX_Full; |
| if (eee_adv & MDIO_EEE_10GKX4) |
| adv |= ADVERTISED_10000baseKX4_Full; |
| if (eee_adv & MDIO_EEE_10GKR) |
| adv |= ADVERTISED_10000baseKR_Full; |
| |
| return adv; |
| } |
| |
| /** |
| * ethtool_adv_to_mmd_eee_adv_t |
| * @adv: the ethtool advertisement settings |
| * |
| * A small helper function that translates ethtool advertisement settings |
| * to EEE advertisements for the MMD EEE Advertisement (7.60) and |
| * MMD EEE Link Partner Ability (7.61) registers. |
| */ |
| static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv) |
| { |
| u16 reg = 0; |
| |
| if (adv & ADVERTISED_100baseT_Full) |
| reg |= MDIO_EEE_100TX; |
| if (adv & ADVERTISED_1000baseT_Full) |
| reg |= MDIO_EEE_1000T; |
| if (adv & ADVERTISED_10000baseT_Full) |
| reg |= MDIO_EEE_10GT; |
| if (adv & ADVERTISED_1000baseKX_Full) |
| reg |= MDIO_EEE_1000KX; |
| if (adv & ADVERTISED_10000baseKX4_Full) |
| reg |= MDIO_EEE_10GKX4; |
| if (adv & ADVERTISED_10000baseKR_Full) |
| reg |= MDIO_EEE_10GKR; |
| |
| return reg; |
| } |
| |
| /** |
| * linkmode_adv_to_mii_10gbt_adv_t |
| * @advertising: the linkmode advertisement settings |
| * |
| * A small helper function that translates linkmode advertisement |
| * settings to phy autonegotiation advertisements for the C45 |
| * 10GBASE-T AN CONTROL (7.32) register. |
| */ |
| static inline u32 linkmode_adv_to_mii_10gbt_adv_t(unsigned long *advertising) |
| { |
| u32 result = 0; |
| |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, |
| advertising)) |
| result |= MDIO_AN_10GBT_CTRL_ADV2_5G; |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, |
| advertising)) |
| result |= MDIO_AN_10GBT_CTRL_ADV5G; |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, |
| advertising)) |
| result |= MDIO_AN_10GBT_CTRL_ADV10G; |
| |
| return result; |
| } |
| |
| /** |
| * mii_10gbt_stat_mod_linkmode_lpa_t |
| * @advertising: target the linkmode advertisement settings |
| * @lpa: value of the C45 10GBASE-T AN STATUS register |
| * |
| * A small helper function that translates C45 10GBASE-T AN STATUS register bits |
| * to linkmode advertisement settings. Other bits in advertising aren't changed. |
| */ |
| static inline void mii_10gbt_stat_mod_linkmode_lpa_t(unsigned long *advertising, |
| u32 lpa) |
| { |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, |
| advertising, lpa & MDIO_AN_10GBT_STAT_LP2_5G); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, |
| advertising, lpa & MDIO_AN_10GBT_STAT_LP5G); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, |
| advertising, lpa & MDIO_AN_10GBT_STAT_LP10G); |
| } |
| |
| /** |
| * mii_t1_adv_l_mod_linkmode_t |
| * @advertising: target the linkmode advertisement settings |
| * @lpa: value of the BASE-T1 Autonegotiation Advertisement [15:0] Register |
| * |
| * A small helper function that translates BASE-T1 Autonegotiation |
| * Advertisement [15:0] Register bits to linkmode advertisement settings. |
| * Other bits in advertising aren't changed. |
| */ |
| static inline void mii_t1_adv_l_mod_linkmode_t(unsigned long *advertising, u32 lpa) |
| { |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising, |
| lpa & MDIO_AN_T1_ADV_L_PAUSE_CAP); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising, |
| lpa & MDIO_AN_T1_ADV_L_PAUSE_ASYM); |
| } |
| |
| /** |
| * mii_t1_adv_m_mod_linkmode_t |
| * @advertising: target the linkmode advertisement settings |
| * @lpa: value of the BASE-T1 Autonegotiation Advertisement [31:16] Register |
| * |
| * A small helper function that translates BASE-T1 Autonegotiation |
| * Advertisement [31:16] Register bits to linkmode advertisement settings. |
| * Other bits in advertising aren't changed. |
| */ |
| static inline void mii_t1_adv_m_mod_linkmode_t(unsigned long *advertising, u32 lpa) |
| { |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, |
| advertising, lpa & MDIO_AN_T1_ADV_M_B10L); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT, |
| advertising, lpa & MDIO_AN_T1_ADV_M_100BT1); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT, |
| advertising, lpa & MDIO_AN_T1_ADV_M_1000BT1); |
| } |
| |
| /** |
| * linkmode_adv_to_mii_t1_adv_l_t |
| * @advertising: the linkmode advertisement settings |
| * |
| * A small helper function that translates linkmode advertisement |
| * settings to phy autonegotiation advertisements for the |
| * BASE-T1 Autonegotiation Advertisement [15:0] Register. |
| */ |
| static inline u32 linkmode_adv_to_mii_t1_adv_l_t(unsigned long *advertising) |
| { |
| u32 result = 0; |
| |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising)) |
| result |= MDIO_AN_T1_ADV_L_PAUSE_CAP; |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising)) |
| result |= MDIO_AN_T1_ADV_L_PAUSE_ASYM; |
| |
| return result; |
| } |
| |
| /** |
| * linkmode_adv_to_mii_t1_adv_m_t |
| * @advertising: the linkmode advertisement settings |
| * |
| * A small helper function that translates linkmode advertisement |
| * settings to phy autonegotiation advertisements for the |
| * BASE-T1 Autonegotiation Advertisement [31:16] Register. |
| */ |
| static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising) |
| { |
| u32 result = 0; |
| |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, advertising)) |
| result |= MDIO_AN_T1_ADV_M_B10L; |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT, advertising)) |
| result |= MDIO_AN_T1_ADV_M_100BT1; |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT, advertising)) |
| result |= MDIO_AN_T1_ADV_M_1000BT1; |
| |
| 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); |
| } |
| |
| /** |
| * mii_eee_cap2_mod_linkmode_sup_t() |
| * @adv: target the linkmode settings |
| * @val: register value |
| * |
| * A function that translates value of following registers to the linkmode: |
| * IEEE 802.3-2022 45.2.3.11 "EEE control and capability 2" register (3.21) |
| */ |
| static inline void mii_eee_cap2_mod_linkmode_sup_t(unsigned long *adv, u32 val) |
| { |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, |
| adv, val & MDIO_EEE_2_5GT); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, |
| adv, val & MDIO_EEE_5GT); |
| } |
| |
| /** |
| * mii_eee_cap2_mod_linkmode_adv_t() |
| * @adv: target the linkmode advertisement settings |
| * @val: register value |
| * |
| * A function that translates value of following registers to the linkmode: |
| * IEEE 802.3-2022 45.2.7.16 "EEE advertisement 2" register (7.62) |
| * IEEE 802.3-2022 45.2.7.17 "EEE link partner ability 2" register (7.63) |
| * Note: Currently this function is the same as mii_eee_cap2_mod_linkmode_sup_t. |
| * For certain, not yet supported, modes however the bits differ. |
| * Therefore create separate functions already. |
| */ |
| static inline void mii_eee_cap2_mod_linkmode_adv_t(unsigned long *adv, u32 val) |
| { |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, |
| adv, val & MDIO_EEE_2_5GT); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, |
| adv, val & MDIO_EEE_5GT); |
| } |
| |
| /** |
| * 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; |
| } |
| |
| /** |
| * linkmode_to_mii_eee_cap2_t() |
| * @adv: the linkmode advertisement settings |
| * |
| * A function that translates linkmode to value for IEEE 802.3-2022 45.2.7.16 |
| * "EEE advertisement 2" register (7.62) |
| */ |
| static inline u32 linkmode_to_mii_eee_cap2_t(unsigned long *adv) |
| { |
| u32 result = 0; |
| |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, adv)) |
| result |= MDIO_EEE_2_5GT; |
| if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, adv)) |
| result |= MDIO_EEE_5GT; |
| |
| 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; |
| } |
| |
| /** |
| * mii_c73_mod_linkmode - convert a Clause 73 advertisement to linkmodes |
| * @adv: linkmode advertisement setting |
| * @lpa: array of three u16s containing the advertisement |
| * |
| * Convert an IEEE 802.3 Clause 73 advertisement to ethtool link modes. |
| */ |
| static inline void mii_c73_mod_linkmode(unsigned long *adv, u16 *lpa) |
| { |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, |
| adv, lpa[0] & MDIO_AN_C73_0_PAUSE); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, |
| adv, lpa[0] & MDIO_AN_C73_0_ASM_DIR); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_1000BASE_KX); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_10GBASE_KX4); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_40GBASE_KR4); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_40GBASE_CR4); |
| /* 100GBASE_CR10 and 100GBASE_KP4 not implemented */ |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_100GBASE_KR4); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_100GBASE_CR4); |
| /* 25GBASE_R_S not implemented */ |
| /* The 25GBASE_R bit can be used for 25Gbase KR or CR modes */ |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_25GBASE_R); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_25GBASE_R); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, |
| adv, lpa[1] & MDIO_AN_C73_1_10GBASE_KR); |
| linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, |
| adv, lpa[2] & MDIO_AN_C73_2_2500BASE_KX); |
| /* 5GBASE_KR not implemented */ |
| } |
| |
| 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(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_read(struct mii_bus *bus, int addr, u32 regnum); |
| int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum); |
| int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); |
| int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val); |
| 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) |
| { |
| return __mdiobus_read(mdiodev->bus, mdiodev->addr, regnum); |
| } |
| |
| static inline int __mdiodev_write(struct mdio_device *mdiodev, u32 regnum, |
| u16 val) |
| { |
| return __mdiobus_write(mdiodev->bus, mdiodev->addr, regnum, val); |
| } |
| |
| static inline int __mdiodev_modify(struct mdio_device *mdiodev, u32 regnum, |
| u16 mask, u16 set) |
| { |
| return __mdiobus_modify(mdiodev->bus, mdiodev->addr, regnum, mask, set); |
| } |
| |
| static inline int __mdiodev_modify_changed(struct mdio_device *mdiodev, |
| u32 regnum, u16 mask, u16 set) |
| { |
| return __mdiobus_modify_changed(mdiodev->bus, mdiodev->addr, regnum, |
| mask, set); |
| } |
| |
| static inline int mdiodev_read(struct mdio_device *mdiodev, u32 regnum) |
| { |
| return mdiobus_read(mdiodev->bus, mdiodev->addr, regnum); |
| } |
| |
| static inline int mdiodev_write(struct mdio_device *mdiodev, u32 regnum, |
| u16 val) |
| { |
| return mdiobus_write(mdiodev->bus, mdiodev->addr, regnum, val); |
| } |
| |
| static inline int mdiodev_modify(struct mdio_device *mdiodev, u32 regnum, |
| u16 mask, u16 set) |
| { |
| return mdiobus_modify(mdiodev->bus, mdiodev->addr, regnum, mask, set); |
| } |
| |
| static inline int mdiodev_modify_changed(struct mdio_device *mdiodev, |
| u32 regnum, u16 mask, u16 set) |
| { |
| return mdiobus_modify_changed(mdiodev->bus, mdiodev->addr, regnum, |
| mask, set); |
| } |
| |
| static inline int mdiodev_c45_modify(struct mdio_device *mdiodev, int devad, |
| u32 regnum, u16 mask, u16 set) |
| { |
| return mdiobus_c45_modify(mdiodev->bus, mdiodev->addr, devad, regnum, |
| mask, set); |
| } |
| |
| static inline int mdiodev_c45_modify_changed(struct mdio_device *mdiodev, |
| int devad, u32 regnum, u16 mask, |
| u16 set) |
| { |
| 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, |
| u16 regnum) |
| { |
| return mdiobus_c45_read(mdiodev->bus, mdiodev->addr, devad, regnum); |
| } |
| |
| static inline int mdiodev_c45_write(struct mdio_device *mdiodev, u32 devad, |
| u16 regnum, u16 val) |
| { |
| return mdiobus_c45_write(mdiodev->bus, mdiodev->addr, devad, regnum, |
| val); |
| } |
| |
| int mdiobus_register_device(struct mdio_device *mdiodev); |
| int mdiobus_unregister_device(struct mdio_device *mdiodev); |
| bool mdiobus_is_registered_device(struct mii_bus *bus, int addr); |
| struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr); |
| |
| /** |
| * mdio_module_driver() - Helper macro for registering mdio drivers |
| * @_mdio_driver: driver to register |
| * |
| * Helper macro for MDIO drivers which do not do anything special in module |
| * init/exit. Each module may only use this macro once, and calling it |
| * replaces module_init() and module_exit(). |
| */ |
| #define mdio_module_driver(_mdio_driver) \ |
| static int __init mdio_module_init(void) \ |
| { \ |
| return mdio_driver_register(&_mdio_driver); \ |
| } \ |
| module_init(mdio_module_init); \ |
| static void __exit mdio_module_exit(void) \ |
| { \ |
| mdio_driver_unregister(&_mdio_driver); \ |
| } \ |
| module_exit(mdio_module_exit) |
| |
| #endif /* __LINUX_MDIO_H__ */ |
