int asym_pause;
};
+/**
+ * phy_read - Convenience function for reading a given PHY register
+ * @phydev: the phy_device struct
+ * @devad: The MMD to read from
+ * @regnum: register number to read
+ * @return: value for success or negative errno for failure
+ */
static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
{
struct mii_dev *bus = phydev->bus;
return bus->read(bus, phydev->addr, devad, regnum);
}
+/**
+ * phy_write - Convenience function for writing a given PHY register
+ * @phydev: the phy_device struct
+ * @devad: The MMD to read from
+ * @regnum: register number to write
+ * @val: value to write to @regnum
+ * @return: 0 for success or negative errno for failure
+ */
static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
u16 val)
{
return bus->write(bus, phydev->addr, devad, regnum, val);
}
+/**
+ * phy_mmd_start_indirect - Convenience function for writing MMD registers
+ * @phydev: the phy_device struct
+ * @devad: The MMD to read from
+ * @regnum: register number to write
+ * @return: None
+ */
static inline void phy_mmd_start_indirect(struct phy_device *phydev, int devad,
int regnum)
{
(devad | MII_MMD_CTRL_NOINCR));
}
+/**
+ * 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
+ * @return: Value for success or negative errno for failure
+ */
static inline int phy_read_mmd(struct phy_device *phydev, int devad,
int regnum)
{
return phy_read(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA);
}
+/**
+ * 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
+ * @return: 0 for success or negative errno for failure
+ */
static inline int phy_write_mmd(struct phy_device *phydev, int devad,
int regnum, u16 val)
{
return phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA, val);
}
+/**
+ * phy_set_bits_mmd - Convenience function for setting bits in a register
+ * on MMD
+ * @phydev: the phy_device struct
+ * @devad: the MMD containing register to modify
+ * @regnum: register number to modify
+ * @val: bits to set
+ * @return: 0 for success or negative errno for failure
+ */
+static inline int phy_set_bits_mmd(struct phy_device *phydev, int devad,
+ u32 regnum, u16 val)
+{
+ int value, ret;
+
+ value = phy_read_mmd(phydev, devad, regnum);
+ if (value < 0)
+ return value;
+
+ value |= val;
+
+ ret = phy_write_mmd(phydev, devad, regnum, value);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/**
+ * phy_clear_bits_mmd - Convenience function for clearing bits in a register
+ * on MMD
+ * @phydev: the phy_device struct
+ * @devad: the MMD containing register to modify
+ * @regnum: register number to modify
+ * @val: bits to clear
+ * @return: 0 for success or negative errno for failure
+ */
+static inline int phy_clear_bits_mmd(struct phy_device *phydev, int devad,
+ u32 regnum, u16 val)
+{
+ int value, ret;
+
+ value = phy_read_mmd(phydev, devad, regnum);
+ if (value < 0)
+ return value;
+
+ value &= ~val;
+
+ ret = phy_write_mmd(phydev, devad, regnum, value);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
#ifdef CONFIG_PHYLIB_10G
extern struct phy_driver gen10g_driver;
-/* For now, XGMII is the only 10G interface */
+/*
+ * List all 10G interfaces here, the assumption being that PHYs on these
+ * interfaces are C45
+ */
static inline int is_10g_interface(phy_interface_t interface)
{
- return interface == PHY_INTERFACE_MODE_XGMII;
+ return interface == PHY_INTERFACE_MODE_XGMII ||
+ interface == PHY_INTERFACE_MODE_USXGMII ||
+ interface == PHY_INTERFACE_MODE_XFI;
}
#endif
/**
* phy_init() - Initializes the PHY drivers
- *
* This function registers all available PHY drivers
*
- * @return 0 if OK, -ve on error
+ * @return: 0 if OK, -ve on error
*/
int phy_init(void);
/**
* phy_reset() - Resets the specified PHY
- *
* Issues a reset of the PHY and waits for it to complete
*
* @phydev: PHY to reset
- * @return 0 if OK, -ve on error
+ * @return: 0 if OK, -ve on error
*/
int phy_reset(struct phy_device *phydev);
/**
* phy_find_by_mask() - Searches for a PHY on the specified MDIO bus
- *
* The function checks the PHY addresses flagged in phy_mask and returns a
* phy_device pointer if it detects a PHY.
* This function should only be called if just one PHY is expected to be present
* @bus: MII/MDIO bus to scan
* @phy_mask: bitmap of PYH addresses to scan
* @interface: type of MAC-PHY interface
- * @return pointer to phy_device if a PHY is found, or NULL otherwise
+ * @return: pointer to phy_device if a PHY is found, or NULL otherwise
*/
struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
phy_interface_t interface);
/**
* phy_connect() - Creates a PHY device for the Ethernet interface
- *
* Creates a PHY device for the PHY at the given address, if one doesn't exist
* already, and associates it with the Ethernet device.
* The function may be called with addr <= 0, in this case addr value is ignored
* @addr: PHY address on MDIO bus
* @dev: Ethernet device to associate to the PHY
* @interface: type of MAC-PHY interface
- * @return pointer to phy_device if a PHY is found, or NULL otherwise
+ * @return: pointer to phy_device if a PHY is found, or NULL otherwise
*/
struct phy_device *phy_connect(struct mii_dev *bus, int addr,
struct udevice *dev,
/**
* phy_connect() - Creates a PHY device for the Ethernet interface
- *
* Creates a PHY device for the PHY at the given address, if one doesn't exist
* already, and associates it with the Ethernet device.
* The function may be called with addr <= 0, in this case addr value is ignored
* @addr: PHY address on MDIO bus
* @dev: Ethernet device to associate to the PHY
* @interface: type of MAC-PHY interface
- * @return pointer to phy_device if a PHY is found, or NULL otherwise
+ * @return: pointer to phy_device if a PHY is found, or NULL otherwise
*/
struct phy_device *phy_connect(struct mii_dev *bus, int addr,
struct eth_device *dev,
* phy_get_interface_by_name() - Look up a PHY interface name
*
* @str: PHY interface name, e.g. "mii"
- * @return PHY_INTERFACE_MODE_... value, or -1 if not found
+ * @return: PHY_INTERFACE_MODE_... value, or -1 if not found
*/
int phy_get_interface_by_name(const char *str);
* phy_interface_is_rgmii - Convenience function for testing if a PHY interface
* is RGMII (all variants)
* @phydev: the phy_device struct
+ * @return: true if MII bus is RGMII or false if it is not
*/
static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
{
* phy_interface_is_sgmii - Convenience function for testing if a PHY interface
* is SGMII (all variants)
* @phydev: the phy_device struct
+ * @return: true if MII bus is SGMII or false if it is not
*/
static inline bool phy_interface_is_sgmii(struct phy_device *phydev)
{
projects / J-u-boot.git / blobdiff