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bcm63xx_dev_spi.h

bcm63xx_dev_spi.h 2.2 KB
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  1. #ifndef BCM63XX_DEV_SPI_H
    2. 

  2. #define BCM63XX_DEV_SPI_H
    3. 

  3. 

  4. #include <linux/types.h>
    5. 

  5. #include <bcm63xx_io.h>
    6. 

  6. #include <bcm63xx_regs.h>
    7. 

  7. 

  8. int __init bcm63xx_spi_register(void);
    9. 

  9. 

  10. struct bcm63xx_spi_pdata {
    11. 

  11. 	unsigned int	fifo_size;
    12. 

  12. 	unsigned int	msg_type_shift;
    13. 

  13. 	unsigned int	msg_ctl_width;
    14. 

  14. 	int		bus_num;
    15. 

  15. 	int		num_chipselect;
    16. 

  16. 	u32		speed_hz;
    17. 

  17. };
    18. 

  18. 

  19. enum bcm63xx_regs_spi {
    20. 

  20. 	SPI_CMD,
    21. 

  21. 	SPI_INT_STATUS,
    22. 

  22. 	SPI_INT_MASK_ST,
    23. 

  23. 	SPI_INT_MASK,
    24. 

  24. 	SPI_ST,
    25. 

  25. 	SPI_CLK_CFG,
    26. 

  26. 	SPI_FILL_BYTE,
    27. 

  27. 	SPI_MSG_TAIL,
    28. 

  28. 	SPI_RX_TAIL,
    29. 

  29. 	SPI_MSG_CTL,
    30. 

  30. 	SPI_MSG_DATA,
    31. 

  31. 	SPI_RX_DATA,
    32. 

  32. };
    33. 

  33. 

  34. #define __GEN_SPI_RSET_BASE(__cpu, __rset)				\
    35. 

  35. 	case SPI_## __rset:						\
    36. 

  36. 		return SPI_## __cpu ##_## __rset;
    37. 

  37. 

  38. #define __GEN_SPI_RSET(__cpu)						\
    39. 

  39. 	switch (reg) {							\
    40. 

  40. 	__GEN_SPI_RSET_BASE(__cpu, CMD)					\
    41. 

  41. 	__GEN_SPI_RSET_BASE(__cpu, INT_STATUS)				\
    42. 

  42. 	__GEN_SPI_RSET_BASE(__cpu, INT_MASK_ST)				\
    43. 

  43. 	__GEN_SPI_RSET_BASE(__cpu, INT_MASK)				\
    44. 

  44. 	__GEN_SPI_RSET_BASE(__cpu, ST)					\
    45. 

  45. 	__GEN_SPI_RSET_BASE(__cpu, CLK_CFG)				\
    46. 

  46. 	__GEN_SPI_RSET_BASE(__cpu, FILL_BYTE)				\
    47. 

  47. 	__GEN_SPI_RSET_BASE(__cpu, MSG_TAIL)				\
    48. 

  48. 	__GEN_SPI_RSET_BASE(__cpu, RX_TAIL)				\
    49. 

  49. 	__GEN_SPI_RSET_BASE(__cpu, MSG_CTL)				\
    50. 

  50. 	__GEN_SPI_RSET_BASE(__cpu, MSG_DATA)				\
    51. 

  51. 	__GEN_SPI_RSET_BASE(__cpu, RX_DATA)				\
    52. 

  52. 	}
    53. 

  53. 

  54. #define __GEN_SPI_REGS_TABLE(__cpu)					\
    55. 

  55. 	[SPI_CMD]		= SPI_## __cpu ##_CMD,			\
    56. 

  56. 	[SPI_INT_STATUS]	= SPI_## __cpu ##_INT_STATUS,		\
    57. 

  57. 	[SPI_INT_MASK_ST]	= SPI_## __cpu ##_INT_MASK_ST,		\
    58. 

  58. 	[SPI_INT_MASK]		= SPI_## __cpu ##_INT_MASK,		\
    59. 

  59. 	[SPI_ST]		= SPI_## __cpu ##_ST,			\
    60. 

  60. 	[SPI_CLK_CFG]		= SPI_## __cpu ##_CLK_CFG,		\
    61. 

  61. 	[SPI_FILL_BYTE]		= SPI_## __cpu ##_FILL_BYTE,		\
    62. 

  62. 	[SPI_MSG_TAIL]		= SPI_## __cpu ##_MSG_TAIL,		\
    63. 

  63. 	[SPI_RX_TAIL]		= SPI_## __cpu ##_RX_TAIL,		\
    64. 

  64. 	[SPI_MSG_CTL]		= SPI_## __cpu ##_MSG_CTL,		\
    65. 

  65. 	[SPI_MSG_DATA]		= SPI_## __cpu ##_MSG_DATA,		\
    66. 

  66. 	[SPI_RX_DATA]		= SPI_## __cpu ##_RX_DATA,
    67. 

  67. 

  68. static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg)
    69. 

  69. {
    70. 

  70. #ifdef BCMCPU_RUNTIME_DETECT
    71. 

  71. 	extern const unsigned long *bcm63xx_regs_spi;
    72. 

  72. 

  73. 	return bcm63xx_regs_spi[reg];
    74. 

  74. #else
    75. 

  75. #ifdef CONFIG_BCM63XX_CPU_6338
    76. 

  76. 	__GEN_SPI_RSET(6338)
    77. 

  77. #endif
    78. 

  78. #ifdef CONFIG_BCM63XX_CPU_6348
    79. 

  79. 	__GEN_SPI_RSET(6348)
    80. 

  80. #endif
    81. 

  81. #ifdef CONFIG_BCM63XX_CPU_6358
    82. 

  82. 	__GEN_SPI_RSET(6358)
    83. 

  83. #endif
    84. 

  84. #ifdef CONFIG_BCM63XX_CPU_6368
    85. 

  85. 	__GEN_SPI_RSET(6368)
    86. 

  86. #endif
    87. 

  87. #endif
    88. 

  88. 	return 0;
    89. 

  89. }
    90. 

  90. 

  91. #endif /* BCM63XX_DEV_SPI_H */
    92.