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Diffstat (limited to 'kernel/include/linux/phy.h')
| -rw-r--r-- | kernel/include/linux/phy.h | 813 |
1 files changed, 813 insertions, 0 deletions
diff --git a/kernel/include/linux/phy.h b/kernel/include/linux/phy.h new file mode 100644 index 000000000..685809835 --- /dev/null +++ b/kernel/include/linux/phy.h @@ -0,0 +1,813 @@ +/* + * Framework and drivers for configuring and reading different PHYs + * Based on code in sungem_phy.c and gianfar_phy.c + * + * Author: Andy Fleming + * + * Copyright (c) 2004 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __PHY_H +#define __PHY_H + +#include <linux/spinlock.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/timer.h> +#include <linux/workqueue.h> +#include <linux/mod_devicetable.h> + +#include <linux/atomic.h> + +#define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \ + SUPPORTED_TP | \ + SUPPORTED_MII) + +#define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \ + SUPPORTED_10baseT_Full) + +#define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \ + SUPPORTED_100baseT_Full) + +#define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \ + SUPPORTED_1000baseT_Full) + +#define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \ + PHY_100BT_FEATURES | \ + PHY_DEFAULT_FEATURES) + +#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \ + PHY_1000BT_FEATURES) + + +/* + * Set phydev->irq to PHY_POLL if interrupts are not supported, + * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if + * the attached driver handles the interrupt + */ +#define PHY_POLL -1 +#define PHY_IGNORE_INTERRUPT -2 + +#define PHY_HAS_INTERRUPT 0x00000001 +#define PHY_HAS_MAGICANEG 0x00000002 +#define PHY_IS_INTERNAL 0x00000004 + +/* Interface Mode definitions */ +typedef enum { + PHY_INTERFACE_MODE_NA, + PHY_INTERFACE_MODE_MII, + PHY_INTERFACE_MODE_GMII, + PHY_INTERFACE_MODE_SGMII, + PHY_INTERFACE_MODE_TBI, + PHY_INTERFACE_MODE_REVMII, + PHY_INTERFACE_MODE_RMII, + PHY_INTERFACE_MODE_RGMII, + PHY_INTERFACE_MODE_RGMII_ID, + PHY_INTERFACE_MODE_RGMII_RXID, + PHY_INTERFACE_MODE_RGMII_TXID, + PHY_INTERFACE_MODE_RTBI, + PHY_INTERFACE_MODE_SMII, + PHY_INTERFACE_MODE_XGMII, + PHY_INTERFACE_MODE_MOCA, + PHY_INTERFACE_MODE_QSGMII, + PHY_INTERFACE_MODE_MAX, +} phy_interface_t; + +/** + * It maps 'enum phy_interface_t' found in include/linux/phy.h + * into the device tree binding of 'phy-mode', so that Ethernet + * device driver can get phy interface from device tree. + */ +static inline const char *phy_modes(phy_interface_t interface) +{ + switch (interface) { + case PHY_INTERFACE_MODE_NA: + return ""; + case PHY_INTERFACE_MODE_MII: + return "mii"; + case PHY_INTERFACE_MODE_GMII: + return "gmii"; + case PHY_INTERFACE_MODE_SGMII: + return "sgmii"; + case PHY_INTERFACE_MODE_TBI: + return "tbi"; + case PHY_INTERFACE_MODE_REVMII: + return "rev-mii"; + case PHY_INTERFACE_MODE_RMII: + return "rmii"; + case PHY_INTERFACE_MODE_RGMII: + return "rgmii"; + case PHY_INTERFACE_MODE_RGMII_ID: + return "rgmii-id"; + case PHY_INTERFACE_MODE_RGMII_RXID: + return "rgmii-rxid"; + case PHY_INTERFACE_MODE_RGMII_TXID: + return "rgmii-txid"; + case PHY_INTERFACE_MODE_RTBI: + return "rtbi"; + case PHY_INTERFACE_MODE_SMII: + return "smii"; + case PHY_INTERFACE_MODE_XGMII: + return "xgmii"; + case PHY_INTERFACE_MODE_MOCA: + return "moca"; + case PHY_INTERFACE_MODE_QSGMII: + return "qsgmii"; + default: + return "unknown"; + } +} + + +#define PHY_INIT_TIMEOUT 100000 +#define PHY_STATE_TIME 1 +#define PHY_FORCE_TIMEOUT 10 +#define PHY_AN_TIMEOUT 10 + +#define PHY_MAX_ADDR 32 + +/* Used when trying to connect to a specific phy (mii bus id:phy device id) */ +#define PHY_ID_FMT "%s:%02x" + +/* + * Need to be a little smaller than phydev->dev.bus_id to leave room + * for the ":%02x" + */ +#define MII_BUS_ID_SIZE (20 - 3) + +/* 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) + +struct device; +struct sk_buff; + +/* + * The Bus class for PHYs. Devices which provide access to + * PHYs should register using this structure + */ +struct mii_bus { + const char *name; + char id[MII_BUS_ID_SIZE]; + void *priv; + int (*read)(struct mii_bus *bus, int phy_id, int regnum); + int (*write)(struct mii_bus *bus, int phy_id, int regnum, u16 val); + int (*reset)(struct mii_bus *bus); + + /* + * A lock to ensure that only one thing can read/write + * the MDIO bus at a time + */ + struct mutex mdio_lock; + + struct device *parent; + enum { + MDIOBUS_ALLOCATED = 1, + MDIOBUS_REGISTERED, + MDIOBUS_UNREGISTERED, + MDIOBUS_RELEASED, + } state; + struct device dev; + + /* list of all PHYs on bus */ + struct phy_device *phy_map[PHY_MAX_ADDR]; + + /* PHY addresses to be ignored when probing */ + u32 phy_mask; + + /* + * Pointer to an array of interrupts, each PHY's + * interrupt at the index matching its address + */ + int *irq; +}; +#define to_mii_bus(d) container_of(d, struct mii_bus, dev) + +struct mii_bus *mdiobus_alloc_size(size_t); +static inline struct mii_bus *mdiobus_alloc(void) +{ + return mdiobus_alloc_size(0); +} + +int mdiobus_register(struct mii_bus *bus); +void mdiobus_unregister(struct mii_bus *bus); +void mdiobus_free(struct mii_bus *bus); +struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv); +static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev) +{ + return devm_mdiobus_alloc_size(dev, 0); +} + +void devm_mdiobus_free(struct device *dev, struct mii_bus *bus); +struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); +int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); +int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); + + +#define PHY_INTERRUPT_DISABLED 0x0 +#define PHY_INTERRUPT_ENABLED 0x80000000 + +/* PHY state machine states: + * + * DOWN: PHY device and driver are not ready for anything. probe + * should be called if and only if the PHY is in this state, + * given that the PHY device exists. + * - PHY driver probe function will, depending on the PHY, set + * the state to STARTING or READY + * + * STARTING: PHY device is coming up, and the ethernet driver is + * not ready. PHY drivers may set this in the probe function. + * If they do, they are responsible for making sure the state is + * eventually set to indicate whether the PHY is UP or READY, + * depending on the state when the PHY is done starting up. + * - PHY driver will set the state to READY + * - start will set the state to PENDING + * + * READY: PHY is ready to send and receive packets, but the + * controller is not. By default, PHYs which do not implement + * probe will be set to this state by phy_probe(). If the PHY + * driver knows the PHY is ready, and the PHY state is STARTING, + * then it sets this STATE. + * - start will set the state to UP + * + * PENDING: PHY device is coming up, but the ethernet driver is + * ready. phy_start will set this state if the PHY state is + * STARTING. + * - PHY driver will set the state to UP when the PHY is ready + * + * UP: The PHY and attached device are ready to do work. + * Interrupts should be started here. + * - timer moves to AN + * + * AN: The PHY is currently negotiating the link state. Link is + * therefore down for now. phy_timer will set this state when it + * detects the state is UP. config_aneg will set this state + * whenever called with phydev->autoneg set to AUTONEG_ENABLE. + * - If autonegotiation finishes, but there's no link, it sets + * the state to NOLINK. + * - If aneg finishes with link, it sets the state to RUNNING, + * and calls adjust_link + * - If autonegotiation did not finish after an arbitrary amount + * of time, autonegotiation should be tried again if the PHY + * supports "magic" autonegotiation (back to AN) + * - If it didn't finish, and no magic_aneg, move to FORCING. + * + * NOLINK: PHY is up, but not currently plugged in. + * - If the timer notes that the link comes back, we move to RUNNING + * - config_aneg moves to AN + * - phy_stop moves to HALTED + * + * FORCING: PHY is being configured with forced settings + * - if link is up, move to RUNNING + * - If link is down, we drop to the next highest setting, and + * retry (FORCING) after a timeout + * - phy_stop moves to HALTED + * + * RUNNING: PHY is currently up, running, and possibly sending + * and/or receiving packets + * - timer will set CHANGELINK if we're polling (this ensures the + * link state is polled every other cycle of this state machine, + * which makes it every other second) + * - irq will set CHANGELINK + * - config_aneg will set AN + * - phy_stop moves to HALTED + * + * CHANGELINK: PHY experienced a change in link state + * - timer moves to RUNNING if link + * - timer moves to NOLINK if the link is down + * - phy_stop moves to HALTED + * + * HALTED: PHY is up, but no polling or interrupts are done. Or + * PHY is in an error state. + * + * - phy_start moves to RESUMING + * + * RESUMING: PHY was halted, but now wants to run again. + * - If we are forcing, or aneg is done, timer moves to RUNNING + * - If aneg is not done, timer moves to AN + * - phy_stop moves to HALTED + */ +enum phy_state { + PHY_DOWN = 0, + PHY_STARTING, + PHY_READY, + PHY_PENDING, + PHY_UP, + PHY_AN, + PHY_RUNNING, + PHY_NOLINK, + PHY_FORCING, + PHY_CHANGELINK, + PHY_HALTED, + PHY_RESUMING +}; + +/** + * struct phy_c45_device_ids - 802.3-c45 Device Identifiers + * @devices_in_package: Bit vector of devices present. + * @device_ids: The device identifer for each present device. + */ +struct phy_c45_device_ids { + u32 devices_in_package; + u32 device_ids[8]; +}; + +/* phy_device: An instance of a PHY + * + * drv: Pointer to the driver for this PHY instance + * bus: Pointer to the bus this PHY is on + * dev: driver model device structure for this PHY + * phy_id: UID for this device found during discovery + * c45_ids: 802.3-c45 Device Identifers if is_c45. + * is_c45: Set to true if this phy uses clause 45 addressing. + * is_internal: Set to true if this phy is internal to a MAC. + * has_fixups: Set to true if this phy has fixups/quirks. + * suspended: Set to true if this phy has been suspended successfully. + * state: state of the PHY for management purposes + * dev_flags: Device-specific flags used by the PHY driver. + * addr: Bus address of PHY + * link_timeout: The number of timer firings to wait before the + * giving up on the current attempt at acquiring a link + * irq: IRQ number of the PHY's interrupt (-1 if none) + * phy_timer: The timer for handling the state machine + * phy_queue: A work_queue for the interrupt + * attached_dev: The attached enet driver's device instance ptr + * adjust_link: Callback for the enet controller to respond to + * changes in the link state. + * + * speed, duplex, pause, supported, advertising, lp_advertising, + * and autoneg are used like in mii_if_info + * + * interrupts currently only supports enabled or disabled, + * but could be changed in the future to support enabling + * and disabling specific interrupts + * + * Contains some infrastructure for polling and interrupt + * handling, as well as handling shifts in PHY hardware state + */ +struct phy_device { + /* Information about the PHY type */ + /* And management functions */ + struct phy_driver *drv; + + struct mii_bus *bus; + + struct device dev; + + u32 phy_id; + + struct phy_c45_device_ids c45_ids; + bool is_c45; + bool is_internal; + bool has_fixups; + bool suspended; + + enum phy_state state; + + u32 dev_flags; + + phy_interface_t interface; + + /* Bus address of the PHY (0-31) */ + int addr; + + /* + * forced speed & duplex (no autoneg) + * partner speed & duplex & pause (autoneg) + */ + int speed; + int duplex; + int pause; + int asym_pause; + + /* The most recently read link state */ + int link; + + /* Enabled Interrupts */ + u32 interrupts; + + /* Union of PHY and Attached devices' supported modes */ + /* See mii.h for more info */ + u32 supported; + u32 advertising; + u32 lp_advertising; + + int autoneg; + + int link_timeout; + + /* + * Interrupt number for this PHY + * -1 means no interrupt + */ + int irq; + + /* private data pointer */ + /* For use by PHYs to maintain extra state */ + void *priv; + + /* Interrupt and Polling infrastructure */ + struct work_struct phy_queue; + struct delayed_work state_queue; + atomic_t irq_disable; + + struct mutex lock; + + struct net_device *attached_dev; + + void (*adjust_link)(struct net_device *dev); +}; +#define to_phy_device(d) container_of(d, struct phy_device, dev) + +/* struct phy_driver: Driver structure for a particular PHY type + * + * phy_id: The result of reading the UID registers of this PHY + * type, and ANDing them with the phy_id_mask. This driver + * only works for PHYs with IDs which match this field + * name: The friendly name of this PHY type + * phy_id_mask: Defines the important bits of the phy_id + * features: A list of features (speed, duplex, etc) supported + * by this PHY + * flags: A bitfield defining certain other features this PHY + * supports (like interrupts) + * driver_data: static driver data + * + * The drivers must implement config_aneg and read_status. All + * other functions are optional. Note that none of these + * functions should be called from interrupt time. The goal is + * for the bus read/write functions to be able to block when the + * bus transaction is happening, and be freed up by an interrupt + * (The MPC85xx has this ability, though it is not currently + * supported in the driver). + */ +struct phy_driver { + u32 phy_id; + char *name; + unsigned int phy_id_mask; + u32 features; + u32 flags; + const void *driver_data; + + /* + * Called to issue a PHY software reset + */ + int (*soft_reset)(struct phy_device *phydev); + + /* + * Called to initialize the PHY, + * including after a reset + */ + int (*config_init)(struct phy_device *phydev); + + /* + * Called during discovery. Used to set + * up device-specific structures, if any + */ + int (*probe)(struct phy_device *phydev); + + /* PHY Power Management */ + int (*suspend)(struct phy_device *phydev); + int (*resume)(struct phy_device *phydev); + + /* + * Configures the advertisement and resets + * autonegotiation if phydev->autoneg is on, + * forces the speed to the current settings in phydev + * if phydev->autoneg is off + */ + int (*config_aneg)(struct phy_device *phydev); + + /* Determines the auto negotiation result */ + int (*aneg_done)(struct phy_device *phydev); + + /* Determines the negotiated speed and duplex */ + int (*read_status)(struct phy_device *phydev); + + /* Clears any pending interrupts */ + int (*ack_interrupt)(struct phy_device *phydev); + + /* Enables or disables interrupts */ + int (*config_intr)(struct phy_device *phydev); + + /* + * Checks if the PHY generated an interrupt. + * For multi-PHY devices with shared PHY interrupt pin + */ + int (*did_interrupt)(struct phy_device *phydev); + + /* Clears up any memory if needed */ + void (*remove)(struct phy_device *phydev); + + /* Returns true if this is a suitable driver for the given + * phydev. If NULL, matching is based on phy_id and + * phy_id_mask. + */ + int (*match_phy_device)(struct phy_device *phydev); + + /* Handles ethtool queries for hardware time stamping. */ + int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti); + + /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */ + int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr); + + /* + * Requests a Rx timestamp for 'skb'. If the skb is accepted, + * the phy driver promises to deliver it using netif_rx() as + * soon as a timestamp becomes available. One of the + * PTP_CLASS_ values is passed in 'type'. The function must + * return true if the skb is accepted for delivery. + */ + bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type); + + /* + * Requests a Tx timestamp for 'skb'. The phy driver promises + * to deliver it using skb_complete_tx_timestamp() as soon as a + * timestamp becomes available. One of the PTP_CLASS_ values + * is passed in 'type'. + */ + void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type); + + /* Some devices (e.g. qnap TS-119P II) require PHY register changes to + * enable Wake on LAN, so set_wol is provided to be called in the + * ethernet driver's set_wol function. */ + int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); + + /* See set_wol, but for checking whether Wake on LAN is enabled. */ + void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); + + /* + * Called to inform a PHY device driver when the core is about to + * change the link state. This callback is supposed to be used as + * fixup hook for drivers that need to take action when the link + * state changes. Drivers are by no means allowed to mess with the + * PHY device structure in their implementations. + */ + void (*link_change_notify)(struct phy_device *dev); + + /* A function provided by a phy specific driver to override the + * the PHY driver framework support for reading a MMD register + * from the PHY. If not supported, return -1. This function is + * optional for PHY specific drivers, if not provided then the + * default MMD read function is used by the PHY framework. + */ + int (*read_mmd_indirect)(struct phy_device *dev, int ptrad, + int devnum, int regnum); + + /* A function provided by a phy specific driver to override the + * the PHY driver framework support for writing a MMD register + * from the PHY. This function is optional for PHY specific drivers, + * if not provided then the default MMD read function is used by + * the PHY framework. + */ + void (*write_mmd_indirect)(struct phy_device *dev, int ptrad, + int devnum, int regnum, u32 val); + + /* Get the size and type of the eeprom contained within a plug-in + * module */ + int (*module_info)(struct phy_device *dev, + struct ethtool_modinfo *modinfo); + + /* Get the eeprom information from the plug-in module */ + int (*module_eeprom)(struct phy_device *dev, + struct ethtool_eeprom *ee, u8 *data); + + struct device_driver driver; +}; +#define to_phy_driver(d) container_of(d, struct phy_driver, driver) + +#define PHY_ANY_ID "MATCH ANY PHY" +#define PHY_ANY_UID 0xffffffff + +/* A Structure for boards to register fixups with the PHY Lib */ +struct phy_fixup { + struct list_head list; + char bus_id[20]; + u32 phy_uid; + u32 phy_uid_mask; + int (*run)(struct phy_device *phydev); +}; + +/** + * phy_read_mmd - Convenience function for reading a register + * from an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to read from + * @regnum: The register on the MMD to read + * + * Same rules as for phy_read(); + */ +static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum) +{ + if (!phydev->is_c45) + return -EOPNOTSUPP; + + return mdiobus_read(phydev->bus, phydev->addr, + MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff)); +} + +/** + * phy_read_mmd_indirect - reads data from the MMD registers + * @phydev: The PHY device bus + * @prtad: MMD Address + * @devad: MMD DEVAD + * @addr: PHY address on the MII bus + * + * Description: it reads data from the MMD registers (clause 22 to access to + * clause 45) of the specified phy address. + */ +int phy_read_mmd_indirect(struct phy_device *phydev, int prtad, + int devad, int addr); + +/** + * phy_read - Convenience function for reading a given PHY register + * @phydev: the phy_device struct + * @regnum: register number to read + * + * NOTE: MUST NOT be called from interrupt context, + * because the bus read/write functions may wait for an interrupt + * to conclude the operation. + */ +static inline int phy_read(struct phy_device *phydev, u32 regnum) +{ + return mdiobus_read(phydev->bus, phydev->addr, regnum); +} + +/** + * phy_write - Convenience function for writing a given PHY register + * @phydev: the phy_device struct + * @regnum: register number to write + * @val: value to write to @regnum + * + * NOTE: MUST NOT be called from interrupt context, + * because the bus read/write functions may wait for an interrupt + * to conclude the operation. + */ +static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val) +{ + return mdiobus_write(phydev->bus, phydev->addr, regnum, val); +} + +/** + * phy_interrupt_is_valid - Convenience function for testing a given PHY irq + * @phydev: the phy_device struct + * + * NOTE: must be kept in sync with addition/removal of PHY_POLL and + * PHY_IGNORE_INTERRUPT + */ +static inline bool phy_interrupt_is_valid(struct phy_device *phydev) +{ + return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT; +} + +/** + * phy_is_internal - Convenience function for testing if a PHY is internal + * @phydev: the phy_device struct + */ +static inline bool phy_is_internal(struct phy_device *phydev) +{ + return phydev->is_internal; +} + +/** + * phy_write_mmd - Convenience function for writing a register + * on an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to read from + * @regnum: The register on the MMD to read + * @val: value to write to @regnum + * + * Same rules as for phy_write(); + */ +static inline int phy_write_mmd(struct phy_device *phydev, int devad, + u32 regnum, u16 val) +{ + if (!phydev->is_c45) + return -EOPNOTSUPP; + + regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff); + + return mdiobus_write(phydev->bus, phydev->addr, regnum, val); +} + +/** + * phy_write_mmd_indirect - writes data to the MMD registers + * @phydev: The PHY device + * @prtad: MMD Address + * @devad: MMD DEVAD + * @addr: PHY address on the MII bus + * @data: data to write in the MMD register + * + * Description: Write data from the MMD registers of the specified + * phy address. + */ +void phy_write_mmd_indirect(struct phy_device *phydev, int prtad, + int devad, int addr, u32 data); + +struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id, + bool is_c45, + struct phy_c45_device_ids *c45_ids); +struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); +int phy_device_register(struct phy_device *phy); +int phy_init_hw(struct phy_device *phydev); +int phy_suspend(struct phy_device *phydev); +int phy_resume(struct phy_device *phydev); +struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, + phy_interface_t interface); +struct phy_device *phy_find_first(struct mii_bus *bus); +int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, + u32 flags, phy_interface_t interface); +int phy_connect_direct(struct net_device *dev, struct phy_device *phydev, + void (*handler)(struct net_device *), + phy_interface_t interface); +struct phy_device *phy_connect(struct net_device *dev, const char *bus_id, + void (*handler)(struct net_device *), + phy_interface_t interface); +void phy_disconnect(struct phy_device *phydev); +void phy_detach(struct phy_device *phydev); +void phy_start(struct phy_device *phydev); +void phy_stop(struct phy_device *phydev); +int phy_start_aneg(struct phy_device *phydev); + +int phy_stop_interrupts(struct phy_device *phydev); + +static inline int phy_read_status(struct phy_device *phydev) +{ + return phydev->drv->read_status(phydev); +} + +int genphy_config_init(struct phy_device *phydev); +int genphy_setup_forced(struct phy_device *phydev); +int genphy_restart_aneg(struct phy_device *phydev); +int genphy_config_aneg(struct phy_device *phydev); +int genphy_aneg_done(struct phy_device *phydev); +int genphy_update_link(struct phy_device *phydev); +int genphy_read_status(struct phy_device *phydev); +int genphy_suspend(struct phy_device *phydev); +int genphy_resume(struct phy_device *phydev); +int genphy_soft_reset(struct phy_device *phydev); +void phy_driver_unregister(struct phy_driver *drv); +void phy_drivers_unregister(struct phy_driver *drv, int n); +int phy_driver_register(struct phy_driver *new_driver); +int phy_drivers_register(struct phy_driver *new_driver, int n); +void phy_state_machine(struct work_struct *work); +void phy_change(struct work_struct *work); +void phy_mac_interrupt(struct phy_device *phydev, int new_link); +void phy_start_machine(struct phy_device *phydev); +void phy_stop_machine(struct phy_device *phydev); +int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd); +int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd); +int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd); +int phy_start_interrupts(struct phy_device *phydev); +void phy_print_status(struct phy_device *phydev); +void phy_device_free(struct phy_device *phydev); + +int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, + int (*run)(struct phy_device *)); +int phy_register_fixup_for_id(const char *bus_id, + int (*run)(struct phy_device *)); +int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask, + int (*run)(struct phy_device *)); + +int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable); +int phy_get_eee_err(struct phy_device *phydev); +int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data); +int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data); +int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol); +void phy_ethtool_get_wol(struct phy_device *phydev, + struct ethtool_wolinfo *wol); + +int __init mdio_bus_init(void); +void mdio_bus_exit(void); + +extern struct bus_type mdio_bus_type; + +/** + * module_phy_driver() - Helper macro for registering PHY drivers + * @__phy_drivers: array of PHY drivers to register + * + * Helper macro for PHY 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 phy_module_driver(__phy_drivers, __count) \ +static int __init phy_module_init(void) \ +{ \ + return phy_drivers_register(__phy_drivers, __count); \ +} \ +module_init(phy_module_init); \ +static void __exit phy_module_exit(void) \ +{ \ + phy_drivers_unregister(__phy_drivers, __count); \ +} \ +module_exit(phy_module_exit) + +#define module_phy_driver(__phy_drivers) \ + phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers)) + +#endif /* __PHY_H */ |