#include <linux/device.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
-#include <asm/irq.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+
+#include <asm/atomic.h>
#define PHY_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
SUPPORTED_10baseT_Full | \
SUPPORTED_1000baseT_Half | \
SUPPORTED_1000baseT_Full)
-/* Set phydev->irq to PHY_POLL if interrupts are not supported,
+/*
+ * 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_HAS_INTERRUPT 0x00000001
#define PHY_HAS_MAGICANEG 0x00000002
-#define MII_BUS_MAX 4
-
-
-#define PHY_INIT_TIMEOUT 100000
+/* Interface Mode definitions */
+typedef enum {
+ PHY_INTERFACE_MODE_MII,
+ PHY_INTERFACE_MODE_GMII,
+ PHY_INTERFACE_MODE_SGMII,
+ PHY_INTERFACE_MODE_TBI,
+ 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_t;
+
+
+#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
+#define PHY_MAX_ADDR 32
/* Used when trying to connect to a specific phy (mii bus id:phy device id) */
-#define PHY_ID_FMT "%x:%02x"
+#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)
-/* The Bus class for PHYs. Devices which provide access to
- * PHYs should register using this structure */
+/*
+ * The Bus class for PHYs. Devices which provide access to
+ * PHYs should register using this structure
+ */
struct mii_bus {
const char *name;
- int id;
+ 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 */
- spinlock_t mdio_lock;
-
- struct device *dev;
+ /*
+ * 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 */
+ /*
+ * 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)
-#define PHY_INTERRUPT_DISABLED 0x0
-#define PHY_INTERRUPT_ENABLED 0x80000000
+struct mii_bus *mdiobus_alloc(void);
+int mdiobus_register(struct mii_bus *bus);
+void mdiobus_unregister(struct mii_bus *bus);
+void mdiobus_free(struct mii_bus *bus);
+struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
+int mdiobus_read(struct mii_bus *bus, int addr, u16 regnum);
+int mdiobus_write(struct mii_bus *bus, int addr, u16 regnum, u16 val);
+
+
+#define PHY_INTERRUPT_DISABLED 0x0
+#define PHY_INTERRUPT_ENABLED 0x80000000
/* PHY state machine states:
*
u32 dev_flags;
+ phy_interface_t interface;
+
/* Bus address of the PHY (0-32) */
int addr;
- /* forced speed & duplex (no autoneg)
+ /*
+ * forced speed & duplex (no autoneg)
* partner speed & duplex & pause (autoneg)
*/
int speed;
int link_timeout;
- /* Interrupt number for this PHY
- * -1 means no interrupt */
+ /*
+ * Interrupt number for this PHY
+ * -1 means no interrupt
+ */
int irq;
/* private data pointer */
/* Interrupt and Polling infrastructure */
struct work_struct phy_queue;
- struct timer_list phy_timer;
+ struct delayed_work state_queue;
+ atomic_t irq_disable;
- spinlock_t lock;
+ struct mutex lock;
struct net_device *attached_dev;
u32 features;
u32 flags;
- /* Called to initialize the PHY,
- * including after a reset */
+ /*
+ * 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 */
+ /*
+ * 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
+ /*
+ * 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 */
+ * if phydev->autoneg is off
+ */
int (*config_aneg)(struct phy_device *phydev);
/* Determines the negotiated speed and duplex */
/* 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);
};
#define to_phy_driver(d) container_of(d, struct phy_driver, driver)
-int phy_read(struct phy_device *phydev, u16 regnum);
-int phy_write(struct phy_device *phydev, u16 regnum, u16 val);
+#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 - 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, u16 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, u16 regnum, u16 val)
+{
+ return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
+}
+
+int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id);
struct phy_device* get_phy_device(struct mii_bus *bus, int addr);
+int phy_device_register(struct phy_device *phy);
int phy_clear_interrupt(struct phy_device *phydev);
int phy_config_interrupt(struct phy_device *phydev, u32 interrupts);
+int phy_init_hw(struct phy_device *phydev);
+int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
+ u32 flags, phy_interface_t interface);
struct phy_device * phy_attach(struct net_device *dev,
- const char *phy_id, u32 flags);
-struct phy_device * phy_connect(struct net_device *dev, const char *phy_id,
- void (*handler)(struct net_device *), u32 flags);
+ const char *bus_id, u32 flags, phy_interface_t interface);
+struct phy_device *phy_find_first(struct mii_bus *bus);
+int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
+ void (*handler)(struct net_device *), u32 flags,
+ phy_interface_t interface);
+struct phy_device * phy_connect(struct net_device *dev, const char *bus_id,
+ void (*handler)(struct net_device *), u32 flags,
+ 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 mdiobus_register(struct mii_bus *bus);
-void mdiobus_unregister(struct mii_bus *bus);
void phy_sanitize_settings(struct phy_device *phydev);
int phy_stop_interrupts(struct phy_device *phydev);
+int phy_enable_interrupts(struct phy_device *phydev);
+int phy_disable_interrupts(struct phy_device *phydev);
static inline int phy_read_status(struct phy_device *phydev) {
return phydev->drv->read_status(phydev);
int genphy_config_aneg(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);
void phy_driver_unregister(struct phy_driver *drv);
int phy_driver_register(struct phy_driver *new_driver);
void phy_prepare_link(struct phy_device *phydev,
void (*adjust_link)(struct net_device *));
+void phy_state_machine(struct work_struct *work);
void phy_start_machine(struct phy_device *phydev,
void (*handler)(struct net_device *));
void phy_stop_machine(struct phy_device *phydev);
int phy_start_interrupts(struct phy_device *phydev);
void phy_print_status(struct phy_device *phydev);
struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id);
+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_scan_fixups(struct phy_device *phydev);
+
+int __init mdio_bus_init(void);
+void mdio_bus_exit(void);
extern struct bus_type mdio_bus_type;
#endif /* __PHY_H */
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