bcm63xx_dev_spi.h

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#ifndef BCM63XX_DEV_SPI_H
#define BCM63XX_DEV_SPI_H

#include <linux/types.h>
#include <bcm63xx_io.h>
#include <bcm63xx_regs.h>

int __init bcm63xx_spi_register(void);

struct bcm63xx_spi_pdata {
    unsigned int    fifo_size;
    unsigned int    msg_type_shift;
    unsigned int    msg_ctl_width;
    int     bus_num;
    int     num_chipselect;
    u32     speed_hz;
};

enum bcm63xx_regs_spi {
    SPI_CMD,
    SPI_INT_STATUS,
    SPI_INT_MASK_ST,
    SPI_INT_MASK,
    SPI_ST,
    SPI_CLK_CFG,
    SPI_FILL_BYTE,
    SPI_MSG_TAIL,
    SPI_RX_TAIL,
    SPI_MSG_CTL,
    SPI_MSG_DATA,
    SPI_RX_DATA,
};

#define __GEN_SPI_RSET_BASE(__cpu, __rset)              \
    case SPI_## __rset:                     \
        return SPI_## __cpu ##_## __rset;

#define __GEN_SPI_RSET(__cpu)                       \
    switch (reg) {                          \
    __GEN_SPI_RSET_BASE(__cpu, CMD)                 \
    __GEN_SPI_RSET_BASE(__cpu, INT_STATUS)              \
    __GEN_SPI_RSET_BASE(__cpu, INT_MASK_ST)             \
    __GEN_SPI_RSET_BASE(__cpu, INT_MASK)                \
    __GEN_SPI_RSET_BASE(__cpu, ST)                  \
    __GEN_SPI_RSET_BASE(__cpu, CLK_CFG)             \
    __GEN_SPI_RSET_BASE(__cpu, FILL_BYTE)               \
    __GEN_SPI_RSET_BASE(__cpu, MSG_TAIL)                \
    __GEN_SPI_RSET_BASE(__cpu, RX_TAIL)             \
    __GEN_SPI_RSET_BASE(__cpu, MSG_CTL)             \
    __GEN_SPI_RSET_BASE(__cpu, MSG_DATA)                \
    __GEN_SPI_RSET_BASE(__cpu, RX_DATA)             \
    }

#define __GEN_SPI_REGS_TABLE(__cpu)                 \
    [SPI_CMD]       = SPI_## __cpu ##_CMD,          \
    [SPI_INT_STATUS]    = SPI_## __cpu ##_INT_STATUS,       \
    [SPI_INT_MASK_ST]   = SPI_## __cpu ##_INT_MASK_ST,      \
    [SPI_INT_MASK]      = SPI_## __cpu ##_INT_MASK,     \
    [SPI_ST]        = SPI_## __cpu ##_ST,           \
    [SPI_CLK_CFG]       = SPI_## __cpu ##_CLK_CFG,      \
    [SPI_FILL_BYTE]     = SPI_## __cpu ##_FILL_BYTE,        \
    [SPI_MSG_TAIL]      = SPI_## __cpu ##_MSG_TAIL,     \
    [SPI_RX_TAIL]       = SPI_## __cpu ##_RX_TAIL,      \
    [SPI_MSG_CTL]       = SPI_## __cpu ##_MSG_CTL,      \
    [SPI_MSG_DATA]      = SPI_## __cpu ##_MSG_DATA,     \
    [SPI_RX_DATA]       = SPI_## __cpu ##_RX_DATA,

static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg)
{
#ifdef BCMCPU_RUNTIME_DETECT
    extern const unsigned long *bcm63xx_regs_spi;

    return bcm63xx_regs_spi[reg];
#else
#ifdef CONFIG_BCM63XX_CPU_6338
    __GEN_SPI_RSET(6338)
#endif
#ifdef CONFIG_BCM63XX_CPU_6348
    __GEN_SPI_RSET(6348)
#endif
#ifdef CONFIG_BCM63XX_CPU_6358
    __GEN_SPI_RSET(6358)
#endif
#ifdef CONFIG_BCM63XX_CPU_6368
    __GEN_SPI_RSET(6368)
#endif
#endif
    return 0;
}

#endif /* BCM63XX_DEV_SPI_H */