gpio.h 9.0 KB

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  1. /*
  2. * arch/arm/mach-at91/include/mach/gpio.h
  3. *
  4. * Copyright (C) 2005 HP Labs
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. */
  12. #ifndef __ASM_ARCH_AT91RM9200_GPIO_H
  13. #define __ASM_ARCH_AT91RM9200_GPIO_H
  14. #include <linux/kernel.h>
  15. #include <asm/irq.h>
  16. #define PIN_BASE NR_AIC_IRQS
  17. #define MAX_GPIO_BANKS 5
  18. /* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */
  19. #define AT91_PIN_PA0 (PIN_BASE + 0x00 + 0)
  20. #define AT91_PIN_PA1 (PIN_BASE + 0x00 + 1)
  21. #define AT91_PIN_PA2 (PIN_BASE + 0x00 + 2)
  22. #define AT91_PIN_PA3 (PIN_BASE + 0x00 + 3)
  23. #define AT91_PIN_PA4 (PIN_BASE + 0x00 + 4)
  24. #define AT91_PIN_PA5 (PIN_BASE + 0x00 + 5)
  25. #define AT91_PIN_PA6 (PIN_BASE + 0x00 + 6)
  26. #define AT91_PIN_PA7 (PIN_BASE + 0x00 + 7)
  27. #define AT91_PIN_PA8 (PIN_BASE + 0x00 + 8)
  28. #define AT91_PIN_PA9 (PIN_BASE + 0x00 + 9)
  29. #define AT91_PIN_PA10 (PIN_BASE + 0x00 + 10)
  30. #define AT91_PIN_PA11 (PIN_BASE + 0x00 + 11)
  31. #define AT91_PIN_PA12 (PIN_BASE + 0x00 + 12)
  32. #define AT91_PIN_PA13 (PIN_BASE + 0x00 + 13)
  33. #define AT91_PIN_PA14 (PIN_BASE + 0x00 + 14)
  34. #define AT91_PIN_PA15 (PIN_BASE + 0x00 + 15)
  35. #define AT91_PIN_PA16 (PIN_BASE + 0x00 + 16)
  36. #define AT91_PIN_PA17 (PIN_BASE + 0x00 + 17)
  37. #define AT91_PIN_PA18 (PIN_BASE + 0x00 + 18)
  38. #define AT91_PIN_PA19 (PIN_BASE + 0x00 + 19)
  39. #define AT91_PIN_PA20 (PIN_BASE + 0x00 + 20)
  40. #define AT91_PIN_PA21 (PIN_BASE + 0x00 + 21)
  41. #define AT91_PIN_PA22 (PIN_BASE + 0x00 + 22)
  42. #define AT91_PIN_PA23 (PIN_BASE + 0x00 + 23)
  43. #define AT91_PIN_PA24 (PIN_BASE + 0x00 + 24)
  44. #define AT91_PIN_PA25 (PIN_BASE + 0x00 + 25)
  45. #define AT91_PIN_PA26 (PIN_BASE + 0x00 + 26)
  46. #define AT91_PIN_PA27 (PIN_BASE + 0x00 + 27)
  47. #define AT91_PIN_PA28 (PIN_BASE + 0x00 + 28)
  48. #define AT91_PIN_PA29 (PIN_BASE + 0x00 + 29)
  49. #define AT91_PIN_PA30 (PIN_BASE + 0x00 + 30)
  50. #define AT91_PIN_PA31 (PIN_BASE + 0x00 + 31)
  51. #define AT91_PIN_PB0 (PIN_BASE + 0x20 + 0)
  52. #define AT91_PIN_PB1 (PIN_BASE + 0x20 + 1)
  53. #define AT91_PIN_PB2 (PIN_BASE + 0x20 + 2)
  54. #define AT91_PIN_PB3 (PIN_BASE + 0x20 + 3)
  55. #define AT91_PIN_PB4 (PIN_BASE + 0x20 + 4)
  56. #define AT91_PIN_PB5 (PIN_BASE + 0x20 + 5)
  57. #define AT91_PIN_PB6 (PIN_BASE + 0x20 + 6)
  58. #define AT91_PIN_PB7 (PIN_BASE + 0x20 + 7)
  59. #define AT91_PIN_PB8 (PIN_BASE + 0x20 + 8)
  60. #define AT91_PIN_PB9 (PIN_BASE + 0x20 + 9)
  61. #define AT91_PIN_PB10 (PIN_BASE + 0x20 + 10)
  62. #define AT91_PIN_PB11 (PIN_BASE + 0x20 + 11)
  63. #define AT91_PIN_PB12 (PIN_BASE + 0x20 + 12)
  64. #define AT91_PIN_PB13 (PIN_BASE + 0x20 + 13)
  65. #define AT91_PIN_PB14 (PIN_BASE + 0x20 + 14)
  66. #define AT91_PIN_PB15 (PIN_BASE + 0x20 + 15)
  67. #define AT91_PIN_PB16 (PIN_BASE + 0x20 + 16)
  68. #define AT91_PIN_PB17 (PIN_BASE + 0x20 + 17)
  69. #define AT91_PIN_PB18 (PIN_BASE + 0x20 + 18)
  70. #define AT91_PIN_PB19 (PIN_BASE + 0x20 + 19)
  71. #define AT91_PIN_PB20 (PIN_BASE + 0x20 + 20)
  72. #define AT91_PIN_PB21 (PIN_BASE + 0x20 + 21)
  73. #define AT91_PIN_PB22 (PIN_BASE + 0x20 + 22)
  74. #define AT91_PIN_PB23 (PIN_BASE + 0x20 + 23)
  75. #define AT91_PIN_PB24 (PIN_BASE + 0x20 + 24)
  76. #define AT91_PIN_PB25 (PIN_BASE + 0x20 + 25)
  77. #define AT91_PIN_PB26 (PIN_BASE + 0x20 + 26)
  78. #define AT91_PIN_PB27 (PIN_BASE + 0x20 + 27)
  79. #define AT91_PIN_PB28 (PIN_BASE + 0x20 + 28)
  80. #define AT91_PIN_PB29 (PIN_BASE + 0x20 + 29)
  81. #define AT91_PIN_PB30 (PIN_BASE + 0x20 + 30)
  82. #define AT91_PIN_PB31 (PIN_BASE + 0x20 + 31)
  83. #define AT91_PIN_PC0 (PIN_BASE + 0x40 + 0)
  84. #define AT91_PIN_PC1 (PIN_BASE + 0x40 + 1)
  85. #define AT91_PIN_PC2 (PIN_BASE + 0x40 + 2)
  86. #define AT91_PIN_PC3 (PIN_BASE + 0x40 + 3)
  87. #define AT91_PIN_PC4 (PIN_BASE + 0x40 + 4)
  88. #define AT91_PIN_PC5 (PIN_BASE + 0x40 + 5)
  89. #define AT91_PIN_PC6 (PIN_BASE + 0x40 + 6)
  90. #define AT91_PIN_PC7 (PIN_BASE + 0x40 + 7)
  91. #define AT91_PIN_PC8 (PIN_BASE + 0x40 + 8)
  92. #define AT91_PIN_PC9 (PIN_BASE + 0x40 + 9)
  93. #define AT91_PIN_PC10 (PIN_BASE + 0x40 + 10)
  94. #define AT91_PIN_PC11 (PIN_BASE + 0x40 + 11)
  95. #define AT91_PIN_PC12 (PIN_BASE + 0x40 + 12)
  96. #define AT91_PIN_PC13 (PIN_BASE + 0x40 + 13)
  97. #define AT91_PIN_PC14 (PIN_BASE + 0x40 + 14)
  98. #define AT91_PIN_PC15 (PIN_BASE + 0x40 + 15)
  99. #define AT91_PIN_PC16 (PIN_BASE + 0x40 + 16)
  100. #define AT91_PIN_PC17 (PIN_BASE + 0x40 + 17)
  101. #define AT91_PIN_PC18 (PIN_BASE + 0x40 + 18)
  102. #define AT91_PIN_PC19 (PIN_BASE + 0x40 + 19)
  103. #define AT91_PIN_PC20 (PIN_BASE + 0x40 + 20)
  104. #define AT91_PIN_PC21 (PIN_BASE + 0x40 + 21)
  105. #define AT91_PIN_PC22 (PIN_BASE + 0x40 + 22)
  106. #define AT91_PIN_PC23 (PIN_BASE + 0x40 + 23)
  107. #define AT91_PIN_PC24 (PIN_BASE + 0x40 + 24)
  108. #define AT91_PIN_PC25 (PIN_BASE + 0x40 + 25)
  109. #define AT91_PIN_PC26 (PIN_BASE + 0x40 + 26)
  110. #define AT91_PIN_PC27 (PIN_BASE + 0x40 + 27)
  111. #define AT91_PIN_PC28 (PIN_BASE + 0x40 + 28)
  112. #define AT91_PIN_PC29 (PIN_BASE + 0x40 + 29)
  113. #define AT91_PIN_PC30 (PIN_BASE + 0x40 + 30)
  114. #define AT91_PIN_PC31 (PIN_BASE + 0x40 + 31)
  115. #define AT91_PIN_PD0 (PIN_BASE + 0x60 + 0)
  116. #define AT91_PIN_PD1 (PIN_BASE + 0x60 + 1)
  117. #define AT91_PIN_PD2 (PIN_BASE + 0x60 + 2)
  118. #define AT91_PIN_PD3 (PIN_BASE + 0x60 + 3)
  119. #define AT91_PIN_PD4 (PIN_BASE + 0x60 + 4)
  120. #define AT91_PIN_PD5 (PIN_BASE + 0x60 + 5)
  121. #define AT91_PIN_PD6 (PIN_BASE + 0x60 + 6)
  122. #define AT91_PIN_PD7 (PIN_BASE + 0x60 + 7)
  123. #define AT91_PIN_PD8 (PIN_BASE + 0x60 + 8)
  124. #define AT91_PIN_PD9 (PIN_BASE + 0x60 + 9)
  125. #define AT91_PIN_PD10 (PIN_BASE + 0x60 + 10)
  126. #define AT91_PIN_PD11 (PIN_BASE + 0x60 + 11)
  127. #define AT91_PIN_PD12 (PIN_BASE + 0x60 + 12)
  128. #define AT91_PIN_PD13 (PIN_BASE + 0x60 + 13)
  129. #define AT91_PIN_PD14 (PIN_BASE + 0x60 + 14)
  130. #define AT91_PIN_PD15 (PIN_BASE + 0x60 + 15)
  131. #define AT91_PIN_PD16 (PIN_BASE + 0x60 + 16)
  132. #define AT91_PIN_PD17 (PIN_BASE + 0x60 + 17)
  133. #define AT91_PIN_PD18 (PIN_BASE + 0x60 + 18)
  134. #define AT91_PIN_PD19 (PIN_BASE + 0x60 + 19)
  135. #define AT91_PIN_PD20 (PIN_BASE + 0x60 + 20)
  136. #define AT91_PIN_PD21 (PIN_BASE + 0x60 + 21)
  137. #define AT91_PIN_PD22 (PIN_BASE + 0x60 + 22)
  138. #define AT91_PIN_PD23 (PIN_BASE + 0x60 + 23)
  139. #define AT91_PIN_PD24 (PIN_BASE + 0x60 + 24)
  140. #define AT91_PIN_PD25 (PIN_BASE + 0x60 + 25)
  141. #define AT91_PIN_PD26 (PIN_BASE + 0x60 + 26)
  142. #define AT91_PIN_PD27 (PIN_BASE + 0x60 + 27)
  143. #define AT91_PIN_PD28 (PIN_BASE + 0x60 + 28)
  144. #define AT91_PIN_PD29 (PIN_BASE + 0x60 + 29)
  145. #define AT91_PIN_PD30 (PIN_BASE + 0x60 + 30)
  146. #define AT91_PIN_PD31 (PIN_BASE + 0x60 + 31)
  147. #define AT91_PIN_PE0 (PIN_BASE + 0x80 + 0)
  148. #define AT91_PIN_PE1 (PIN_BASE + 0x80 + 1)
  149. #define AT91_PIN_PE2 (PIN_BASE + 0x80 + 2)
  150. #define AT91_PIN_PE3 (PIN_BASE + 0x80 + 3)
  151. #define AT91_PIN_PE4 (PIN_BASE + 0x80 + 4)
  152. #define AT91_PIN_PE5 (PIN_BASE + 0x80 + 5)
  153. #define AT91_PIN_PE6 (PIN_BASE + 0x80 + 6)
  154. #define AT91_PIN_PE7 (PIN_BASE + 0x80 + 7)
  155. #define AT91_PIN_PE8 (PIN_BASE + 0x80 + 8)
  156. #define AT91_PIN_PE9 (PIN_BASE + 0x80 + 9)
  157. #define AT91_PIN_PE10 (PIN_BASE + 0x80 + 10)
  158. #define AT91_PIN_PE11 (PIN_BASE + 0x80 + 11)
  159. #define AT91_PIN_PE12 (PIN_BASE + 0x80 + 12)
  160. #define AT91_PIN_PE13 (PIN_BASE + 0x80 + 13)
  161. #define AT91_PIN_PE14 (PIN_BASE + 0x80 + 14)
  162. #define AT91_PIN_PE15 (PIN_BASE + 0x80 + 15)
  163. #define AT91_PIN_PE16 (PIN_BASE + 0x80 + 16)
  164. #define AT91_PIN_PE17 (PIN_BASE + 0x80 + 17)
  165. #define AT91_PIN_PE18 (PIN_BASE + 0x80 + 18)
  166. #define AT91_PIN_PE19 (PIN_BASE + 0x80 + 19)
  167. #define AT91_PIN_PE20 (PIN_BASE + 0x80 + 20)
  168. #define AT91_PIN_PE21 (PIN_BASE + 0x80 + 21)
  169. #define AT91_PIN_PE22 (PIN_BASE + 0x80 + 22)
  170. #define AT91_PIN_PE23 (PIN_BASE + 0x80 + 23)
  171. #define AT91_PIN_PE24 (PIN_BASE + 0x80 + 24)
  172. #define AT91_PIN_PE25 (PIN_BASE + 0x80 + 25)
  173. #define AT91_PIN_PE26 (PIN_BASE + 0x80 + 26)
  174. #define AT91_PIN_PE27 (PIN_BASE + 0x80 + 27)
  175. #define AT91_PIN_PE28 (PIN_BASE + 0x80 + 28)
  176. #define AT91_PIN_PE29 (PIN_BASE + 0x80 + 29)
  177. #define AT91_PIN_PE30 (PIN_BASE + 0x80 + 30)
  178. #define AT91_PIN_PE31 (PIN_BASE + 0x80 + 31)
  179. #ifndef __ASSEMBLY__
  180. /* setup setup routines, called from board init or driver probe() */
  181. extern int __init_or_module at91_set_GPIO_periph(unsigned pin, int use_pullup);
  182. extern int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup);
  183. extern int __init_or_module at91_set_B_periph(unsigned pin, int use_pullup);
  184. extern int __init_or_module at91_set_gpio_input(unsigned pin, int use_pullup);
  185. extern int __init_or_module at91_set_gpio_output(unsigned pin, int value);
  186. extern int __init_or_module at91_set_deglitch(unsigned pin, int is_on);
  187. extern int __init_or_module at91_set_multi_drive(unsigned pin, int is_on);
  188. /* callable at any time */
  189. extern int at91_set_gpio_value(unsigned pin, int value);
  190. extern int at91_get_gpio_value(unsigned pin);
  191. /* callable only from core power-management code */
  192. extern void at91_gpio_suspend(void);
  193. extern void at91_gpio_resume(void);
  194. /*-------------------------------------------------------------------------*/
  195. /* wrappers for "new style" GPIO calls. the old AT91-specfic ones should
  196. * eventually be removed (along with this errno.h inclusion), and the
  197. * gpio request/free calls should probably be implemented.
  198. */
  199. #include <asm/errno.h>
  200. #include <asm-generic/gpio.h> /* cansleep wrappers */
  201. #define gpio_get_value __gpio_get_value
  202. #define gpio_set_value __gpio_set_value
  203. #define gpio_cansleep __gpio_cansleep
  204. static inline int gpio_to_irq(unsigned gpio)
  205. {
  206. return gpio;
  207. }
  208. static inline int irq_to_gpio(unsigned irq)
  209. {
  210. return irq;
  211. }
  212. #endif /* __ASSEMBLY__ */
  213. #endif