gpio.h 4.1 KB

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  1. /*
  2. * Copyright 2006-2009 Analog Devices Inc.
  3. *
  4. * Licensed under the GPL-2 or later.
  5. */
  6. #ifndef __ARCH_BLACKFIN_GPIO_H__
  7. #define __ARCH_BLACKFIN_GPIO_H__
  8. #include <asm-generic/gpio.h>
  9. #include <asm/portmux.h>
  10. #define gpio_bank(x) ((x) >> 4)
  11. #define gpio_bit(x) (1<<((x) & 0xF))
  12. #define gpio_sub_n(x) ((x) & 0xF)
  13. #define GPIO_BANKSIZE 16
  14. #define GPIO_BANK_NUM DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE)
  15. #define GPIO_0 0
  16. #define GPIO_1 1
  17. #define GPIO_2 2
  18. #define GPIO_3 3
  19. #define GPIO_4 4
  20. #define GPIO_5 5
  21. #define GPIO_6 6
  22. #define GPIO_7 7
  23. #define GPIO_8 8
  24. #define GPIO_9 9
  25. #define GPIO_10 10
  26. #define GPIO_11 11
  27. #define GPIO_12 12
  28. #define GPIO_13 13
  29. #define GPIO_14 14
  30. #define GPIO_15 15
  31. #define GPIO_16 16
  32. #define GPIO_17 17
  33. #define GPIO_18 18
  34. #define GPIO_19 19
  35. #define GPIO_20 20
  36. #define GPIO_21 21
  37. #define GPIO_22 22
  38. #define GPIO_23 23
  39. #define GPIO_24 24
  40. #define GPIO_25 25
  41. #define GPIO_26 26
  42. #define GPIO_27 27
  43. #define GPIO_28 28
  44. #define GPIO_29 29
  45. #define GPIO_30 30
  46. #define GPIO_31 31
  47. #define GPIO_32 32
  48. #define GPIO_33 33
  49. #define GPIO_34 34
  50. #define GPIO_35 35
  51. #define GPIO_36 36
  52. #define GPIO_37 37
  53. #define GPIO_38 38
  54. #define GPIO_39 39
  55. #define GPIO_40 40
  56. #define GPIO_41 41
  57. #define GPIO_42 42
  58. #define GPIO_43 43
  59. #define GPIO_44 44
  60. #define GPIO_45 45
  61. #define GPIO_46 46
  62. #define GPIO_47 47
  63. #define PERIPHERAL_USAGE 1
  64. #define GPIO_USAGE 0
  65. #define MAX_GPIOS MAX_BLACKFIN_GPIOS
  66. #ifndef __ASSEMBLY__
  67. #ifndef CONFIG_ADI_GPIO2
  68. void set_gpio_dir(unsigned, unsigned short);
  69. void set_gpio_inen(unsigned, unsigned short);
  70. void set_gpio_polar(unsigned, unsigned short);
  71. void set_gpio_edge(unsigned, unsigned short);
  72. void set_gpio_both(unsigned, unsigned short);
  73. void set_gpio_data(unsigned, unsigned short);
  74. void set_gpio_maska(unsigned, unsigned short);
  75. void set_gpio_maskb(unsigned, unsigned short);
  76. void set_gpio_toggle(unsigned);
  77. void set_gpiop_dir(unsigned, unsigned short);
  78. void set_gpiop_inen(unsigned, unsigned short);
  79. void set_gpiop_polar(unsigned, unsigned short);
  80. void set_gpiop_edge(unsigned, unsigned short);
  81. void set_gpiop_both(unsigned, unsigned short);
  82. void set_gpiop_data(unsigned, unsigned short);
  83. void set_gpiop_maska(unsigned, unsigned short);
  84. void set_gpiop_maskb(unsigned, unsigned short);
  85. unsigned short get_gpio_dir(unsigned);
  86. unsigned short get_gpio_inen(unsigned);
  87. unsigned short get_gpio_polar(unsigned);
  88. unsigned short get_gpio_edge(unsigned);
  89. unsigned short get_gpio_both(unsigned);
  90. unsigned short get_gpio_maska(unsigned);
  91. unsigned short get_gpio_maskb(unsigned);
  92. unsigned short get_gpio_data(unsigned);
  93. unsigned short get_gpiop_dir(unsigned);
  94. unsigned short get_gpiop_inen(unsigned);
  95. unsigned short get_gpiop_polar(unsigned);
  96. unsigned short get_gpiop_edge(unsigned);
  97. unsigned short get_gpiop_both(unsigned);
  98. unsigned short get_gpiop_maska(unsigned);
  99. unsigned short get_gpiop_maskb(unsigned);
  100. unsigned short get_gpiop_data(unsigned);
  101. struct gpio_port_t {
  102. unsigned short data;
  103. unsigned short dummy1;
  104. unsigned short data_clear;
  105. unsigned short dummy2;
  106. unsigned short data_set;
  107. unsigned short dummy3;
  108. unsigned short toggle;
  109. unsigned short dummy4;
  110. unsigned short maska;
  111. unsigned short dummy5;
  112. unsigned short maska_clear;
  113. unsigned short dummy6;
  114. unsigned short maska_set;
  115. unsigned short dummy7;
  116. unsigned short maska_toggle;
  117. unsigned short dummy8;
  118. unsigned short maskb;
  119. unsigned short dummy9;
  120. unsigned short maskb_clear;
  121. unsigned short dummy10;
  122. unsigned short maskb_set;
  123. unsigned short dummy11;
  124. unsigned short maskb_toggle;
  125. unsigned short dummy12;
  126. unsigned short dir;
  127. unsigned short dummy13;
  128. unsigned short polar;
  129. unsigned short dummy14;
  130. unsigned short edge;
  131. unsigned short dummy15;
  132. unsigned short both;
  133. unsigned short dummy16;
  134. unsigned short inen;
  135. };
  136. #else
  137. extern struct gpio_port_t * const gpio_array[];
  138. #endif
  139. #ifdef ADI_SPECIAL_GPIO_BANKS
  140. void special_gpio_free(unsigned gpio);
  141. int special_gpio_request(unsigned gpio, const char *label);
  142. #endif
  143. void gpio_labels(void);
  144. static inline int gpio_is_valid(int number)
  145. {
  146. return number >= 0 && number < MAX_GPIOS;
  147. }
  148. #include <linux/ctype.h>
  149. #define gpio_status() gpio_labels()
  150. #endif /* __ASSEMBLY__ */
  151. #endif /* __ARCH_BLACKFIN_GPIO_H__ */