|  | /* 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; | 
|  | 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_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; | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * 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__ */ |