kernel/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h

   1 #ifndef BCM63XX_DEV_SPI_H
   2 #define BCM63XX_DEV_SPI_H
   3
   4 #include <linux/types.h>
   5 #include <bcm63xx_io.h>
   6 #include <bcm63xx_regs.h>
   7
   8 int __init bcm63xx_spi_register(void);
   9
  10 struct bcm63xx_spi_pdata {
  11         unsigned int    fifo_size;
  12         unsigned int    msg_type_shift;
  13         unsigned int    msg_ctl_width;
  14         int             bus_num;
  15         int             num_chipselect;
  16 };
  17
  18 enum bcm63xx_regs_spi {
  19         SPI_CMD,
  20         SPI_INT_STATUS,
  21         SPI_INT_MASK_ST,
  22         SPI_INT_MASK,
  23         SPI_ST,
  24         SPI_CLK_CFG,
  25         SPI_FILL_BYTE,
  26         SPI_MSG_TAIL,
  27         SPI_RX_TAIL,
  28         SPI_MSG_CTL,
  29         SPI_MSG_DATA,
  30         SPI_RX_DATA,
  31 };
  32
  33 #define __GEN_SPI_REGS_TABLE(__cpu)                                     \
  34         [SPI_CMD]               = SPI_## __cpu ##_CMD,                  \
  35         [SPI_INT_STATUS]        = SPI_## __cpu ##_INT_STATUS,           \
  36         [SPI_INT_MASK_ST]       = SPI_## __cpu ##_INT_MASK_ST,          \
  37         [SPI_INT_MASK]          = SPI_## __cpu ##_INT_MASK,             \
  38         [SPI_ST]                = SPI_## __cpu ##_ST,                   \
  39         [SPI_CLK_CFG]           = SPI_## __cpu ##_CLK_CFG,              \
  40         [SPI_FILL_BYTE]         = SPI_## __cpu ##_FILL_BYTE,            \
  41         [SPI_MSG_TAIL]          = SPI_## __cpu ##_MSG_TAIL,             \
  42         [SPI_RX_TAIL]           = SPI_## __cpu ##_RX_TAIL,              \
  43         [SPI_MSG_CTL]           = SPI_## __cpu ##_MSG_CTL,              \
  44         [SPI_MSG_DATA]          = SPI_## __cpu ##_MSG_DATA,             \
  45         [SPI_RX_DATA]           = SPI_## __cpu ##_RX_DATA,
  46
  47 static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg)
  48 {
  49         extern const unsigned long *bcm63xx_regs_spi;
  50
  51         return bcm63xx_regs_spi[reg];
  52 }
  53
  54 #endif /* BCM63XX_DEV_SPI_H */