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#ifndef __CVMX_IXF18201_H__
#define __CVMX_IXF18201_H__

#ifdef	__cplusplus
extern "C" {
#endif

/**
 * Initialize the IXF18201 SPI<->XAUI MAC.
 * @return 1 on success
 *         0 on failure
 */
int cvmx_ixf18201_init(void);

/**
 * Read a 16 bit register from the IXF18201
 *
 * @param reg_addr Register address
 *
 * @return 16 bit register value
 */
uint16_t cvmx_ixf18201_read16(uint16_t reg_addr);
/**
 * Write a 16 bit IXF18201 register
 *
 * @param reg_addr Register address
 * @param data Value to write
 *
 */
void cvmx_ixf18201_write16(uint16_t reg_addr, uint16_t data);
/**
 * Write a 16 bit IXF18201 register
 *
 * @param reg_addr Register address (must be 4 byte aligned)
 *
 * @return 32 bit register value
 */
uint32_t cvmx_ixf18201_read32(uint16_t reg_addr);
/**
 * Write a 32 bit IXF18201 register
 *
 * @param reg_addr Register address (must be 4 byte aligned)
 * @param data Value to write
 *
 */
void cvmx_ixf18201_write32(uint16_t reg_addr, uint32_t data);

/**
 * Performs an MII clause 45 write using the MII block in IXF18201.
 *
 * @param mii_addr Device MII address
 * @param mmd      MMD address (block within device)
 * @param reg      Register address
 * @param val      Value to write
 */
void cvmx_ixf18201_mii_write(int mii_addr, int mmd, uint16_t reg, uint16_t val);
/**
 * Performs an MII clause 45 read using the MII block in IXF18201.
 *
 * @param mii_addr Device MII address
 * @param mmd      MMD address (block within device)
 * @param reg      Register address
 * @return  register value read from device
 */
int cvmx_ixf18201_mii_read(int mii_addr, int mmd, uint16_t reg);

#ifdef	__cplusplus
}
#endif

#endif  /*  __CVMX_IXF18201_H__ */