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/* 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_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__ */
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