|  | #ifndef _MICREL_H | 
|  |  | 
|  | #define MII_KSZ9021_EXT_COMMON_CTRL		0x100 | 
|  | #define MII_KSZ9021_EXT_STRAP_STATUS		0x101 | 
|  | #define MII_KSZ9021_EXT_OP_STRAP_OVERRIDE	0x102 | 
|  | #define MII_KSZ9021_EXT_OP_STRAP_STATUS		0x103 | 
|  | #define MII_KSZ9021_EXT_RGMII_CLOCK_SKEW	0x104 | 
|  | #define MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW	0x105 | 
|  | #define MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW	0x106 | 
|  | #define MII_KSZ9021_EXT_ANALOG_TEST		0x107 | 
|  | /* Register operations */ | 
|  | #define MII_KSZ9031_MOD_REG			0x0000 | 
|  | /* Data operations */ | 
|  | #define MII_KSZ9031_MOD_DATA_NO_POST_INC	0x4000 | 
|  | #define MII_KSZ9031_MOD_DATA_POST_INC_RW	0x8000 | 
|  | #define MII_KSZ9031_MOD_DATA_POST_INC_W		0xC000 | 
|  |  | 
|  | #define MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW	0x4 | 
|  | #define MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW	0x5 | 
|  | #define MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW	0x6 | 
|  | #define MII_KSZ9031_EXT_RGMII_CLOCK_SKEW	0x8 | 
|  |  | 
|  | struct phy_device; | 
|  | int ksz9021_phy_extended_write(struct phy_device *phydev, int regnum, u16 val); | 
|  | int ksz9021_phy_extended_read(struct phy_device *phydev, int regnum); | 
|  |  | 
|  | int ksz9031_phy_extended_write(struct phy_device *phydev, int devaddr, | 
|  | int regnum, u16 mode, u16 val); | 
|  | int ksz9031_phy_extended_read(struct phy_device *phydev, int devaddr, | 
|  | int regnum, u16 mode); | 
|  |  | 
|  | #endif |