smsc_lan91cxx.h

来自「开放源码实时操作系统源码.」· C头文件 代码 · 共 480 行 · 第 1/2 页

#define LAN91CXX_PHY_AUTO_CAP          5
#define LAN91CXX_PHY_CONFIG1          16
#define LAN91CXX_PHY_CONFIG2          17
#define LAN91CXX_PHY_STATUS_OUT       18
#define LAN91CXX_PHY_MASK             19

// PHY control bits
#define LAN91CXX_PHY_CTRL_COLTST      (1 << 7)
#define LAN91CXX_PHY_CTRL_DPLX        (1 << 8)
#define LAN91CXX_PHY_CTRL_ANEG_RST    (1 << 9)
#define LAN91CXX_PHY_CTRL_MII_DIS     (1 << 10)
#define LAN91CXX_PHY_CTRL_PDN         (1 << 11)
#define LAN91CXX_PHY_CTRL_ANEG_EN     (1 << 12)
#define LAN91CXX_PHY_CTRL_SPEED       (1 << 13)
#define LAN91CXX_PHY_CTRL_LPBK        (1 << 14)
#define LAN91CXX_PHY_CTRL_RST         (1 << 15)

#define LAN91CXX_RPCR_LEDA_LINK       (0 << 2)
#define LAN91CXX_RPCR_LEDA_TXRX       (4 << 2)
#define LAN91CXX_RPCR_LEDA_RX         (6 << 2)
#define LAN91CXX_RPCR_LEDA_TX         (7 << 2)
#define LAN91CXX_RPCR_LEDB_LINK       (0 << 5)
#define LAN91CXX_RPCR_LEDB_TXRX       (4 << 5)
#define LAN91CXX_RPCR_LEDB_RX         (6 << 5)
#define LAN91CXX_RPCR_LEDB_TX         (7 << 5)
#define LAN91CXX_RPCR_ANEG            (1 << 11)
#define LAN91CXX_RPCR_DPLX            (1 << 12)
#define LAN91CXX_RPCR_SPEED           (1 << 13)


// ------------------------------------------------------------------------

#ifdef KEEP_STATISTICS
struct smsc_lan91cxx_stats {
    unsigned int tx_good             ;
    unsigned int tx_max_collisions   ;
    unsigned int tx_late_collisions  ;
    unsigned int tx_underrun         ;
    unsigned int tx_carrier_loss     ;
    unsigned int tx_deferred         ;
    unsigned int tx_sqetesterrors    ;
    unsigned int tx_single_collisions;
    unsigned int tx_mult_collisions  ;
    unsigned int tx_total_collisions ;
    unsigned int rx_good             ;
    unsigned int rx_crc_errors       ;
    unsigned int rx_align_errors     ;
    unsigned int rx_resource_errors  ;
    unsigned int rx_overrun_errors   ;
    unsigned int rx_collisions       ;
    unsigned int rx_short_frames     ;
    unsigned int rx_too_long_frames  ;
    unsigned int rx_symbol_errors    ;
    unsigned int interrupts          ;
    unsigned int rx_count            ;
    unsigned int rx_deliver          ;
    unsigned int rx_resource         ;
    unsigned int rx_restart          ;
    unsigned int tx_count            ;
    unsigned int tx_complete         ;
    unsigned int tx_dropped          ;
};
#endif

struct lan91cxx_priv_data;
typedef cyg_bool (*provide_esa_t)(struct lan91cxx_priv_data* cpd);

typedef struct lan91cxx_priv_data {
    int txbusy;                         // A packet has been sent
    unsigned long txkey;                // Used to ack when packet sent
    unsigned short* base;               // Base I/O address of controller
                                        // (as it comes out of reset)
#if CYGINT_DEVS_ETH_SMSC_LAN91CXX_PCMCIA_MODE					
    unsigned char* attbase;             // Base attribute address of controller
                                        // only used in PCMCIA mode
#endif				
    int interrupt;                      // Interrupt vector used by controller
    unsigned char enaddr[6];            // Controller ESA
    // Function to configure the ESA - may fetch ESA from EPROM or 
    // RedBoot config option.  Use of the 'config_enaddr()' function
    // is depreciated in favor of the 'provide_esa()' function and
    // 'hardwired_esa' boolean
    void (*config_enaddr)(struct lan91cxx_priv_data* cpd);
    // New function to fetch the ESA from flash via RedBoot
    // (see devs_eth_innovator.inl)
    provide_esa_t provide_esa;
    bool hardwired_esa;
    int txpacket;
    int rxpacket;
    int within_send;
    int addrsh;                         // Address bits to shift
    int c111_reva;                      // true if this is a revA LAN91C111
    cyg_uint32 data_buf;
    int   data_pos;
#ifdef KEEP_STATISTICS
    struct smsc_lan91cxx_stats stats;
#endif
} lan91cxx_priv_data;

// ------------------------------------------------------------------------

#include CYGDAT_DEVS_ETH_SMSC_LAN91CXX_INL

#ifdef LAN91CXX_32BIT_RX
typedef cyg_uint32 rxd_t;
#else
typedef cyg_uint16 rxd_t;
#endif

#ifndef SMSC_PLATFORM_DEFINED_GET_REG
static __inline__ unsigned short
get_reg(struct eth_drv_sc *sc, int regno)
{
    struct lan91cxx_priv_data *cpd =
        (struct lan91cxx_priv_data *)sc->driver_private;
    unsigned short val;
    
    HAL_WRITE_UINT16(cpd->base+(LAN91CXX_BS << cpd->addrsh), CYG_CPU_TO_LE16(regno>>3));
    HAL_READ_UINT16(cpd->base+((regno&0x7) << cpd->addrsh), val);
    val = CYG_LE16_TO_CPU(val);

#if DEBUG & 2
    diag_printf("read reg %d val 0x%04x\n", regno, val);
#endif
    return val;
}
#endif // SMSC_PLATFORM_DEFINED_GET_REG

#ifndef SMSC_PLATFORM_DEFINED_PUT_REG
static __inline__ void
put_reg(struct eth_drv_sc *sc, int regno, unsigned short val)
{
    struct lan91cxx_priv_data *cpd =
        (struct lan91cxx_priv_data *)sc->driver_private;
	
    HAL_WRITE_UINT16(cpd->base+(LAN91CXX_BS << cpd->addrsh), CYG_CPU_TO_LE16(regno>>3));
    HAL_WRITE_UINT16(cpd->base+((regno&0x7) << cpd->addrsh), CYG_CPU_TO_LE16(val));

#if DEBUG & 2
    diag_printf("write reg %d val 0x%04x\n", regno, val);
#endif
}
#endif // SMSC_PLATFORM_DEFINED_PUT_REG

#ifndef SMSC_PLATFORM_DEFINED_PUT_DATA
// ------------------------------------------------------------------------
// Assumes bank2 has been selected
static __inline__ void
put_data(struct eth_drv_sc *sc, unsigned short val)
{
    struct lan91cxx_priv_data *cpd =
        (struct lan91cxx_priv_data *)sc->driver_private;
	
    HAL_WRITE_UINT16(cpd->base+((LAN91CXX_DATA & 0x7) << cpd->addrsh), val);

#if DEBUG & 2
    diag_printf("write data 0x%04x\n", val);
#endif
}
#endif // SMSC_PLATFORM_DEFINED_PUT_DATA

#ifndef SMSC_PLATFORM_DEFINED_GET_DATA
// Assumes bank2 has been selected
static __inline__ rxd_t
get_data(struct eth_drv_sc *sc)
{
    rxd_t val;
    struct lan91cxx_priv_data *cpd =
        (struct lan91cxx_priv_data *)sc->driver_private;
	
#ifdef LAN91CXX_32BIT_RX
    HAL_READ_UINT32(cpd->base+((LAN91CXX_DATA_HIGH & 0x7) << cpd->addrsh), val);
#else
    HAL_READ_UINT16(cpd->base+((LAN91CXX_DATA & 0x7) << cpd->addrsh), val);
#endif

#if DEBUG & 2
    diag_printf("read data 0x%x\n", val);
#endif
    return val;
}
#endif // SMSC_PLATFORM_DEFINED_GET_DATA

// ------------------------------------------------------------------------
// Read the bank register (this one is bank-independent)
#ifndef SMSC_PLATFORM_DEFINED_GET_BANKSEL
static __inline__ unsigned short
get_banksel(struct eth_drv_sc *sc)
{
    struct lan91cxx_priv_data *cpd =
        (struct lan91cxx_priv_data *)sc->driver_private;
    unsigned short val;
    
    HAL_READ_UINT16(cpd->base+(LAN91CXX_BS << cpd->addrsh), val);
    val = CYG_LE16_TO_CPU(val);
#if DEBUG & 2
    diag_printf("read bank val 0x%04x\n", val);
#endif
    return val;
}
#endif


// ------------------------------------------------------------------------
// Write on PCMCIA attribute memory
#if CYGINT_DEVS_ETH_SMSC_LAN91CXX_PCMCIA_MODE					
static __inline__ void
put_att(struct eth_drv_sc *sc, int offs, unsigned char val)
{
    struct lan91cxx_priv_data *cpd =
        (struct lan91cxx_priv_data *)sc->driver_private;
	
    HAL_WRITE_UINT8(cpd->attbase + (offs << cpd->addrsh), CYG_CPU_TO_LE16(val));

#if DEBUG & 2
    diag_printf("write attr %d val 0x%02x\n", offs, val);
#endif
}

// Read from PCMCIA attribute memory
static __inline__ unsigned char
get_att(struct eth_drv_sc *sc, int offs)
{
    struct lan91cxx_priv_data *cpd =
        (struct lan91cxx_priv_data *)sc->driver_private;
    unsigned char val;
    
    HAL_READ_UINT8(cpd->attbase + (offs << cpd->addrsh), val);
    val = CYG_LE16_TO_CPU(val);
#if DEBUG & 2
    diag_printf("read attr %d val 0x%02x\n", offs, val);
#endif
    return val;
}
#endif // #if CYGINT_DEVS_ETH_SMSC_LAN91CXX_PCMCIA_MODE					

// ------------------------------------------------------------------------
#endif // CYGONCE_DEVS_ETH_SMSC_LAN91CXX_LAN91CXX_H
// EOF smsc_lan91cxx.h