#ifndef _ATHR_PHY_H
#define _ATHR_PHY_H


/*****************/
/* PHY Registers */
/*****************/
#define ATHR_PHY_CONTROL                 0
#define ATHR_PHY_STATUS                  1
#define ATHR_PHY_ID1                     2
#define ATHR_PHY_ID2                     3
#define ATHR_AUTONEG_ADVERT              4
#define ATHR_LINK_PARTNER_ABILITY        5
#define ATHR_AUTONEG_EXPANSION           6
#define ATHR_NEXT_PAGE_TRANSMIT          7
#define ATHR_LINK_PARTNER_NEXT_PAGE      8
#define ATHR_1000BASET_CONTROL           9
#define ATHR_1000BASET_STATUS            10
#define ATHR_PHY_SPEC_CONTROL            16
#define ATHR_PHY_SPEC_STATUS             17

/* ATHR_PHY_CONTROL fields */
#define ATHR_CTRL_SOFTWARE_RESET                    0x8000
#define ATHR_CTRL_SPEED_LSB                         0x2000
#define ATHR_CTRL_AUTONEGOTIATION_ENABLE            0x1000
#define ATHR_CTRL_RESTART_AUTONEGOTIATION           0x0200
#define ATHR_CTRL_SPEED_FULL_DUPLEX                 0x0100
#define ATHR_CTRL_SPEED_MSB                         0x0040

#define ATHR_RESET_DONE(phy_control)                   \
    (((phy_control) & (ATHR_CTRL_SOFTWARE_RESET)) == 0)
    
/* Phy status fields */
#define ATHR_STATUS_AUTO_NEG_DONE                   0x0020

#define ATHR_AUTONEG_DONE(ip_phy_status)                   \
    (((ip_phy_status) &                                  \
        (ATHR_STATUS_AUTO_NEG_DONE)) ==                    \
        (ATHR_STATUS_AUTO_NEG_DONE))

/* Link Partner ability */
#define ATHR_LINK_100BASETX_FULL_DUPLEX       0x0100
#define ATHR_LINK_100BASETX                   0x0080
#define ATHR_LINK_10BASETX_FULL_DUPLEX        0x0040
#define ATHR_LINK_10BASETX                    0x0020

/* Advertisement register. */
#define ATHR_ADVERTISE_NEXT_PAGE              0x8000
#define ATHR_ADVERTISE_ASYM_PAUSE             0x0800
#define ATHR_ADVERTISE_PAUSE                  0x0400
#define ATHR_ADVERTISE_100FULL                0x0100
#define ATHR_ADVERTISE_100HALF                0x0080  
#define ATHR_ADVERTISE_10FULL                 0x0040  
#define ATHR_ADVERTISE_10HALF                 0x0020  

#define ATHR_ADVERTISE_ALL (ATHR_ADVERTISE_10HALF | ATHR_ADVERTISE_10FULL | \
                            ATHR_ADVERTISE_100HALF | ATHR_ADVERTISE_100FULL)
                       
/* 1000BASET_CONTROL */
#define ATHR_ADVERTISE_1000FULL               0x0200

/* Phy Specific status fields */
#define ATHER_STATUS_LINK_MASK                0xC000
#define ATHER_STATUS_LINK_SHIFT               14
#define ATHER_STATUS_FULL_DEPLEX              0x2000
#define ATHR_STATUS_LINK_PASS                 0x0400 
#define ATHR_STATUS_RESOVLED                  0x0800

int athr_phy_is_up(int unit);
int athr_phy_is_fdx(int unit);
int athr_phy_speed(int unit);
int athr_phy_setup(int unit);

#endif /* _ATHR_PHY_H */