LXR linux/arch/arm/mach-ep93xx/include/mach/gpio.h

   1/*
   2 * arch/arm/mach-ep93xx/include/mach/gpio.h
   3 */
   4
   5#ifndef __ASM_ARCH_GPIO_H
   6#define __ASM_ARCH_GPIO_H
   7
   8/* GPIO port A.  */
   9#define EP93XX_GPIO_LINE_A(x)           ((x) + 0)
  10#define EP93XX_GPIO_LINE_EGPIO0         EP93XX_GPIO_LINE_A(0)
  11#define EP93XX_GPIO_LINE_EGPIO1         EP93XX_GPIO_LINE_A(1)
  12#define EP93XX_GPIO_LINE_EGPIO2         EP93XX_GPIO_LINE_A(2)
  13#define EP93XX_GPIO_LINE_EGPIO3         EP93XX_GPIO_LINE_A(3)
  14#define EP93XX_GPIO_LINE_EGPIO4         EP93XX_GPIO_LINE_A(4)
  15#define EP93XX_GPIO_LINE_EGPIO5         EP93XX_GPIO_LINE_A(5)
  16#define EP93XX_GPIO_LINE_EGPIO6         EP93XX_GPIO_LINE_A(6)
  17#define EP93XX_GPIO_LINE_EGPIO7         EP93XX_GPIO_LINE_A(7)
  18
  19/* GPIO port B.  */
  20#define EP93XX_GPIO_LINE_B(x)           ((x) + 8)
  21#define EP93XX_GPIO_LINE_EGPIO8         EP93XX_GPIO_LINE_B(0)
  22#define EP93XX_GPIO_LINE_EGPIO9         EP93XX_GPIO_LINE_B(1)
  23#define EP93XX_GPIO_LINE_EGPIO10        EP93XX_GPIO_LINE_B(2)
  24#define EP93XX_GPIO_LINE_EGPIO11        EP93XX_GPIO_LINE_B(3)
  25#define EP93XX_GPIO_LINE_EGPIO12        EP93XX_GPIO_LINE_B(4)
  26#define EP93XX_GPIO_LINE_EGPIO13        EP93XX_GPIO_LINE_B(5)
  27#define EP93XX_GPIO_LINE_EGPIO14        EP93XX_GPIO_LINE_B(6)
  28#define EP93XX_GPIO_LINE_EGPIO15        EP93XX_GPIO_LINE_B(7)
  29
  30/* GPIO port C.  */
  31#define EP93XX_GPIO_LINE_C(x)           ((x) + 40)
  32#define EP93XX_GPIO_LINE_ROW0           EP93XX_GPIO_LINE_C(0)
  33#define EP93XX_GPIO_LINE_ROW1           EP93XX_GPIO_LINE_C(1)
  34#define EP93XX_GPIO_LINE_ROW2           EP93XX_GPIO_LINE_C(2)
  35#define EP93XX_GPIO_LINE_ROW3           EP93XX_GPIO_LINE_C(3)
  36#define EP93XX_GPIO_LINE_ROW4           EP93XX_GPIO_LINE_C(4)
  37#define EP93XX_GPIO_LINE_ROW5           EP93XX_GPIO_LINE_C(5)
  38#define EP93XX_GPIO_LINE_ROW6           EP93XX_GPIO_LINE_C(6)
  39#define EP93XX_GPIO_LINE_ROW7           EP93XX_GPIO_LINE_C(7)
  40
  41/* GPIO port D.  */
  42#define EP93XX_GPIO_LINE_D(x)           ((x) + 24)
  43#define EP93XX_GPIO_LINE_COL0           EP93XX_GPIO_LINE_D(0)
  44#define EP93XX_GPIO_LINE_COL1           EP93XX_GPIO_LINE_D(1)
  45#define EP93XX_GPIO_LINE_COL2           EP93XX_GPIO_LINE_D(2)
  46#define EP93XX_GPIO_LINE_COL3           EP93XX_GPIO_LINE_D(3)
  47#define EP93XX_GPIO_LINE_COL4           EP93XX_GPIO_LINE_D(4)
  48#define EP93XX_GPIO_LINE_COL5           EP93XX_GPIO_LINE_D(5)
  49#define EP93XX_GPIO_LINE_COL6           EP93XX_GPIO_LINE_D(6)
  50#define EP93XX_GPIO_LINE_COL7           EP93XX_GPIO_LINE_D(7)
  51
  52/* GPIO port E.  */
  53#define EP93XX_GPIO_LINE_E(x)           ((x) + 32)
  54#define EP93XX_GPIO_LINE_GRLED          EP93XX_GPIO_LINE_E(0)
  55#define EP93XX_GPIO_LINE_RDLED          EP93XX_GPIO_LINE_E(1)
  56#define EP93XX_GPIO_LINE_DIORn          EP93XX_GPIO_LINE_E(2)
  57#define EP93XX_GPIO_LINE_IDECS1n        EP93XX_GPIO_LINE_E(3)
  58#define EP93XX_GPIO_LINE_IDECS2n        EP93XX_GPIO_LINE_E(4)
  59#define EP93XX_GPIO_LINE_IDEDA0         EP93XX_GPIO_LINE_E(5)
  60#define EP93XX_GPIO_LINE_IDEDA1         EP93XX_GPIO_LINE_E(6)
  61#define EP93XX_GPIO_LINE_IDEDA2         EP93XX_GPIO_LINE_E(7)
  62
  63/* GPIO port F.  */
  64#define EP93XX_GPIO_LINE_F(x)           ((x) + 16)
  65#define EP93XX_GPIO_LINE_WP             EP93XX_GPIO_LINE_F(0)
  66#define EP93XX_GPIO_LINE_MCCD1          EP93XX_GPIO_LINE_F(1)
  67#define EP93XX_GPIO_LINE_MCCD2          EP93XX_GPIO_LINE_F(2)
  68#define EP93XX_GPIO_LINE_MCBVD1         EP93XX_GPIO_LINE_F(3)
  69#define EP93XX_GPIO_LINE_MCBVD2         EP93XX_GPIO_LINE_F(4)
  70#define EP93XX_GPIO_LINE_VS1            EP93XX_GPIO_LINE_F(5)
  71#define EP93XX_GPIO_LINE_READY          EP93XX_GPIO_LINE_F(6)
  72#define EP93XX_GPIO_LINE_VS2            EP93XX_GPIO_LINE_F(7)
  73
  74/* GPIO port G.  */
  75#define EP93XX_GPIO_LINE_G(x)           ((x) + 48)
  76#define EP93XX_GPIO_LINE_EECLK          EP93XX_GPIO_LINE_G(0)
  77#define EP93XX_GPIO_LINE_EEDAT          EP93XX_GPIO_LINE_G(1)
  78#define EP93XX_GPIO_LINE_SLA0           EP93XX_GPIO_LINE_G(2)
  79#define EP93XX_GPIO_LINE_SLA1           EP93XX_GPIO_LINE_G(3)
  80#define EP93XX_GPIO_LINE_DD12           EP93XX_GPIO_LINE_G(4)
  81#define EP93XX_GPIO_LINE_DD13           EP93XX_GPIO_LINE_G(5)
  82#define EP93XX_GPIO_LINE_DD14           EP93XX_GPIO_LINE_G(6)
  83#define EP93XX_GPIO_LINE_DD15           EP93XX_GPIO_LINE_G(7)
  84
  85/* GPIO port H.  */
  86#define EP93XX_GPIO_LINE_H(x)           ((x) + 56)
  87#define EP93XX_GPIO_LINE_DD0            EP93XX_GPIO_LINE_H(0)
  88#define EP93XX_GPIO_LINE_DD1            EP93XX_GPIO_LINE_H(1)
  89#define EP93XX_GPIO_LINE_DD2            EP93XX_GPIO_LINE_H(2)
  90#define EP93XX_GPIO_LINE_DD3            EP93XX_GPIO_LINE_H(3)
  91#define EP93XX_GPIO_LINE_DD4            EP93XX_GPIO_LINE_H(4)
  92#define EP93XX_GPIO_LINE_DD5            EP93XX_GPIO_LINE_H(5)
  93#define EP93XX_GPIO_LINE_DD6            EP93XX_GPIO_LINE_H(6)
  94#define EP93XX_GPIO_LINE_DD7            EP93XX_GPIO_LINE_H(7)
  95
  96/* maximum value for gpio line identifiers */
  97#define EP93XX_GPIO_LINE_MAX            EP93XX_GPIO_LINE_H(7)
  98
  99/* maximum value for irq capable line identifiers */
 100#define EP93XX_GPIO_LINE_MAX_IRQ        EP93XX_GPIO_LINE_F(7)
 101
 102extern void ep93xx_gpio_int_debounce(unsigned int irq, int enable);
 103
 104/* new generic GPIO API - see Documentation/gpio.txt */
 105
 106#include <asm-generic/gpio.h>
 107
 108#define gpio_get_value  __gpio_get_value
 109#define gpio_set_value  __gpio_set_value
 110#define gpio_cansleep   __gpio_cansleep
 111
 112/*
 113 * Map GPIO A0..A7  (0..7)  to irq 64..71,
 114 *          B0..B7  (7..15) to irq 72..79, and
 115 *          F0..F7 (16..24) to irq 80..87.
 116 */
 117#define gpio_to_irq(gpio)       \
 118        (((gpio) <= EP93XX_GPIO_LINE_MAX_IRQ) ? (64 + (gpio)) : -EINVAL)
 119
 120#define irq_to_gpio(irq)        ((irq) - gpio_to_irq(0))
 121
 122#endif
 123