include/asm-arm/arch-moxacpu/gpio.h

   1
   2 #ifndef _MOXACPU_GPIO_H
   3 #define _MOXACPU_GPIO_H
   4
   5 typedef struct _mcpu_gpio_reg_struct {
   6         unsigned int    data_out;
   7         unsigned int    data_in;
   8         unsigned int    pin_dir;        // 1 for output, 0 for input
   9         unsigned int    reserved;
  10         unsigned int    data_set;
  11         unsigned int    data_clear;
  12         unsigned int    pin_pull_enable;
  13         unsigned int    pin_pull_type;
  14         unsigned int    int_enable;
  15         unsigned int    int_raw_state;
  16         unsigned int    int_masked_state;
  17         unsigned int    int_mask;
  18         unsigned int    int_clear;
  19         unsigned int    int_trigger;
  20         unsigned int    int_both;
  21         unsigned int    int_rise_neg;
  22         unsigned int    bounce_enable;
  23         unsigned int    bounce_pre_scale;
  24 } mcpu_gpio_reg_t;
  25
  26 #define MCPU_GPIO_INPUT         0
  27 #define MCPU_GPIO_OUTPUT        1
  28 #define MCPU_GPIO_HIGH          1
  29 #define MCPU_GPIO_LOW           0
  30
  31 extern void     mcpu_gpio_inout(u32 gpio, int inout);
  32 extern u32      mcpu_gpio_get_inout(u32 gpio);
  33 extern void     mcpu_gpio_set(u32 gpio, int highlow);
  34 extern u32      mcpu_gpio_get(u32 gpio);
  35 extern void     mcpu_gpio_mp_set(u32 gpio);
  36 extern void     mcpu_gpio_mp_clear(u32 gpio);
  37
  38 #endif  // _MOXACPU_GPIO_H