LXR linux/arch/arm/mach-at91/include/mach/gpio.h

   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
  13#ifndef __ASM_ARCH_AT91RM9200_GPIO_H
  14#define __ASM_ARCH_AT91RM9200_GPIO_H
  15
  16#include <linux/kernel.h>
  17#include <asm/irq.h>
  18
  19#define MAX_GPIO_BANKS          5
  20#define NR_BUILTIN_GPIO         (MAX_GPIO_BANKS * 32)
  21
  22/* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */
  23
  24#define AT91_PIN_PA0    (0x00 + 0)
  25#define AT91_PIN_PA1    (0x00 + 1)
  26#define AT91_PIN_PA2    (0x00 + 2)
  27#define AT91_PIN_PA3    (0x00 + 3)
  28#define AT91_PIN_PA4    (0x00 + 4)
  29#define AT91_PIN_PA5    (0x00 + 5)
  30#define AT91_PIN_PA6    (0x00 + 6)
  31#define AT91_PIN_PA7    (0x00 + 7)
  32#define AT91_PIN_PA8    (0x00 + 8)
  33#define AT91_PIN_PA9    (0x00 + 9)
  34#define AT91_PIN_PA10   (0x00 + 10)
  35#define AT91_PIN_PA11   (0x00 + 11)
  36#define AT91_PIN_PA12   (0x00 + 12)
  37#define AT91_PIN_PA13   (0x00 + 13)
  38#define AT91_PIN_PA14   (0x00 + 14)
  39#define AT91_PIN_PA15   (0x00 + 15)
  40#define AT91_PIN_PA16   (0x00 + 16)
  41#define AT91_PIN_PA17   (0x00 + 17)
  42#define AT91_PIN_PA18   (0x00 + 18)
  43#define AT91_PIN_PA19   (0x00 + 19)
  44#define AT91_PIN_PA20   (0x00 + 20)
  45#define AT91_PIN_PA21   (0x00 + 21)
  46#define AT91_PIN_PA22   (0x00 + 22)
  47#define AT91_PIN_PA23   (0x00 + 23)
  48#define AT91_PIN_PA24   (0x00 + 24)
  49#define AT91_PIN_PA25   (0x00 + 25)
  50#define AT91_PIN_PA26   (0x00 + 26)
  51#define AT91_PIN_PA27   (0x00 + 27)
  52#define AT91_PIN_PA28   (0x00 + 28)
  53#define AT91_PIN_PA29   (0x00 + 29)
  54#define AT91_PIN_PA30   (0x00 + 30)
  55#define AT91_PIN_PA31   (0x00 + 31)
  56
  57#define AT91_PIN_PB0    (0x20 + 0)
  58#define AT91_PIN_PB1    (0x20 + 1)
  59#define AT91_PIN_PB2    (0x20 + 2)
  60#define AT91_PIN_PB3    (0x20 + 3)
  61#define AT91_PIN_PB4    (0x20 + 4)
  62#define AT91_PIN_PB5    (0x20 + 5)
  63#define AT91_PIN_PB6    (0x20 + 6)
  64#define AT91_PIN_PB7    (0x20 + 7)
  65#define AT91_PIN_PB8    (0x20 + 8)
  66#define AT91_PIN_PB9    (0x20 + 9)
  67#define AT91_PIN_PB10   (0x20 + 10)
  68#define AT91_PIN_PB11   (0x20 + 11)
  69#define AT91_PIN_PB12   (0x20 + 12)
  70#define AT91_PIN_PB13   (0x20 + 13)
  71#define AT91_PIN_PB14   (0x20 + 14)
  72#define AT91_PIN_PB15   (0x20 + 15)
  73#define AT91_PIN_PB16   (0x20 + 16)
  74#define AT91_PIN_PB17   (0x20 + 17)
  75#define AT91_PIN_PB18   (0x20 + 18)
  76#define AT91_PIN_PB19   (0x20 + 19)
  77#define AT91_PIN_PB20   (0x20 + 20)
  78#define AT91_PIN_PB21   (0x20 + 21)
  79#define AT91_PIN_PB22   (0x20 + 22)
  80#define AT91_PIN_PB23   (0x20 + 23)
  81#define AT91_PIN_PB24   (0x20 + 24)
  82#define AT91_PIN_PB25   (0x20 + 25)
  83#define AT91_PIN_PB26   (0x20 + 26)
  84#define AT91_PIN_PB27   (0x20 + 27)
  85#define AT91_PIN_PB28   (0x20 + 28)
  86#define AT91_PIN_PB29   (0x20 + 29)
  87#define AT91_PIN_PB30   (0x20 + 30)
  88#define AT91_PIN_PB31   (0x20 + 31)
  89
  90#define AT91_PIN_PC0    (0x40 + 0)
  91#define AT91_PIN_PC1    (0x40 + 1)
  92#define AT91_PIN_PC2    (0x40 + 2)
  93#define AT91_PIN_PC3    (0x40 + 3)
  94#define AT91_PIN_PC4    (0x40 + 4)
  95#define AT91_PIN_PC5    (0x40 + 5)
  96#define AT91_PIN_PC6    (0x40 + 6)
  97#define AT91_PIN_PC7    (0x40 + 7)
  98#define AT91_PIN_PC8    (0x40 + 8)
  99#define AT91_PIN_PC9    (0x40 + 9)
 100#define AT91_PIN_PC10   (0x40 + 10)
 101#define AT91_PIN_PC11   (0x40 + 11)
 102#define AT91_PIN_PC12   (0x40 + 12)
 103#define AT91_PIN_PC13   (0x40 + 13)
 104#define AT91_PIN_PC14   (0x40 + 14)
 105#define AT91_PIN_PC15   (0x40 + 15)
 106#define AT91_PIN_PC16   (0x40 + 16)
 107#define AT91_PIN_PC17   (0x40 + 17)
 108#define AT91_PIN_PC18   (0x40 + 18)
 109#define AT91_PIN_PC19   (0x40 + 19)
 110#define AT91_PIN_PC20   (0x40 + 20)
 111#define AT91_PIN_PC21   (0x40 + 21)
 112#define AT91_PIN_PC22   (0x40 + 22)
 113#define AT91_PIN_PC23   (0x40 + 23)
 114#define AT91_PIN_PC24   (0x40 + 24)
 115#define AT91_PIN_PC25   (0x40 + 25)
 116#define AT91_PIN_PC26   (0x40 + 26)
 117#define AT91_PIN_PC27   (0x40 + 27)
 118#define AT91_PIN_PC28   (0x40 + 28)
 119#define AT91_PIN_PC29   (0x40 + 29)
 120#define AT91_PIN_PC30   (0x40 + 30)
 121#define AT91_PIN_PC31   (0x40 + 31)
 122
 123#define AT91_PIN_PD0    (0x60 + 0)
 124#define AT91_PIN_PD1    (0x60 + 1)
 125#define AT91_PIN_PD2    (0x60 + 2)
 126#define AT91_PIN_PD3    (0x60 + 3)
 127#define AT91_PIN_PD4    (0x60 + 4)
 128#define AT91_PIN_PD5    (0x60 + 5)
 129#define AT91_PIN_PD6    (0x60 + 6)
 130#define AT91_PIN_PD7    (0x60 + 7)
 131#define AT91_PIN_PD8    (0x60 + 8)
 132#define AT91_PIN_PD9    (0x60 + 9)
 133#define AT91_PIN_PD10   (0x60 + 10)
 134#define AT91_PIN_PD11   (0x60 + 11)
 135#define AT91_PIN_PD12   (0x60 + 12)
 136#define AT91_PIN_PD13   (0x60 + 13)
 137#define AT91_PIN_PD14   (0x60 + 14)
 138#define AT91_PIN_PD15   (0x60 + 15)
 139#define AT91_PIN_PD16   (0x60 + 16)
 140#define AT91_PIN_PD17   (0x60 + 17)
 141#define AT91_PIN_PD18   (0x60 + 18)
 142#define AT91_PIN_PD19   (0x60 + 19)
 143#define AT91_PIN_PD20   (0x60 + 20)
 144#define AT91_PIN_PD21   (0x60 + 21)
 145#define AT91_PIN_PD22   (0x60 + 22)
 146#define AT91_PIN_PD23   (0x60 + 23)
 147#define AT91_PIN_PD24   (0x60 + 24)
 148#define AT91_PIN_PD25   (0x60 + 25)
 149#define AT91_PIN_PD26   (0x60 + 26)
 150#define AT91_PIN_PD27   (0x60 + 27)
 151#define AT91_PIN_PD28   (0x60 + 28)
 152#define AT91_PIN_PD29   (0x60 + 29)
 153#define AT91_PIN_PD30   (0x60 + 30)
 154#define AT91_PIN_PD31   (0x60 + 31)
 155
 156#define AT91_PIN_PE0    (0x80 + 0)
 157#define AT91_PIN_PE1    (0x80 + 1)
 158#define AT91_PIN_PE2    (0x80 + 2)
 159#define AT91_PIN_PE3    (0x80 + 3)
 160#define AT91_PIN_PE4    (0x80 + 4)
 161#define AT91_PIN_PE5    (0x80 + 5)
 162#define AT91_PIN_PE6    (0x80 + 6)
 163#define AT91_PIN_PE7    (0x80 + 7)
 164#define AT91_PIN_PE8    (0x80 + 8)
 165#define AT91_PIN_PE9    (0x80 + 9)
 166#define AT91_PIN_PE10   (0x80 + 10)
 167#define AT91_PIN_PE11   (0x80 + 11)
 168#define AT91_PIN_PE12   (0x80 + 12)
 169#define AT91_PIN_PE13   (0x80 + 13)
 170#define AT91_PIN_PE14   (0x80 + 14)
 171#define AT91_PIN_PE15   (0x80 + 15)
 172#define AT91_PIN_PE16   (0x80 + 16)
 173#define AT91_PIN_PE17   (0x80 + 17)
 174#define AT91_PIN_PE18   (0x80 + 18)
 175#define AT91_PIN_PE19   (0x80 + 19)
 176#define AT91_PIN_PE20   (0x80 + 20)
 177#define AT91_PIN_PE21   (0x80 + 21)
 178#define AT91_PIN_PE22   (0x80 + 22)
 179#define AT91_PIN_PE23   (0x80 + 23)
 180#define AT91_PIN_PE24   (0x80 + 24)
 181#define AT91_PIN_PE25   (0x80 + 25)
 182#define AT91_PIN_PE26   (0x80 + 26)
 183#define AT91_PIN_PE27   (0x80 + 27)
 184#define AT91_PIN_PE28   (0x80 + 28)
 185#define AT91_PIN_PE29   (0x80 + 29)
 186#define AT91_PIN_PE30   (0x80 + 30)
 187#define AT91_PIN_PE31   (0x80 + 31)
 188
 189#ifndef __ASSEMBLY__
 190/* setup setup routines, called from board init or driver probe() */
 191extern int __init_or_module at91_set_GPIO_periph(unsigned pin, int use_pullup);
 192extern int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup);
 193extern int __init_or_module at91_set_B_periph(unsigned pin, int use_pullup);
 194extern int __init_or_module at91_set_C_periph(unsigned pin, int use_pullup);
 195extern int __init_or_module at91_set_D_periph(unsigned pin, int use_pullup);
 196extern int __init_or_module at91_set_gpio_input(unsigned pin, int use_pullup);
 197extern int __init_or_module at91_set_gpio_output(unsigned pin, int value);
 198extern int __init_or_module at91_set_deglitch(unsigned pin, int is_on);
 199extern int __init_or_module at91_set_debounce(unsigned pin, int is_on, int div);
 200extern int __init_or_module at91_set_multi_drive(unsigned pin, int is_on);
 201extern int __init_or_module at91_set_pulldown(unsigned pin, int is_on);
 202extern int __init_or_module at91_disable_schmitt_trig(unsigned pin);
 203
 204/* callable at any time */
 205extern int at91_set_gpio_value(unsigned pin, int value);
 206extern int at91_get_gpio_value(unsigned pin);
 207
 208/* callable only from core power-management code */
 209extern void at91_gpio_suspend(void);
 210extern void at91_gpio_resume(void);
 211
 212#ifdef CONFIG_PINCTRL_AT91
 213extern void at91_pinctrl_gpio_suspend(void);
 214extern void at91_pinctrl_gpio_resume(void);
 215#else
 216static inline void at91_pinctrl_gpio_suspend(void) {}
 217static inline void at91_pinctrl_gpio_resume(void) {}
 218#endif
 219
 220#endif  /* __ASSEMBLY__ */
 221
 222#endif
 223