LXR linux/include/asm-cris/arch-v32/io.h

   1#ifndef _ASM_ARCH_CRIS_IO_H
   2#define _ASM_ARCH_CRIS_IO_H
   3
   4#include <asm/arch/hwregs/reg_map.h>
   5#include <asm/arch/hwregs/reg_rdwr.h>
   6#include <asm/arch/hwregs/gio_defs.h>
   7
   8enum crisv32_io_dir
   9{
  10  crisv32_io_dir_in = 0,
  11  crisv32_io_dir_out = 1
  12};
  13
  14struct crisv32_ioport
  15{
  16  unsigned long* oe;
  17  unsigned long* data;
  18  unsigned long* data_in;
  19  unsigned int pin_count;
  20};
  21
  22struct crisv32_iopin
  23{
  24  struct crisv32_ioport* port;
  25  int bit;
  26};
  27
  28extern struct crisv32_ioport crisv32_ioports[];
  29
  30extern struct crisv32_iopin crisv32_led1_green;
  31extern struct crisv32_iopin crisv32_led1_red;
  32extern struct crisv32_iopin crisv32_led2_green;
  33extern struct crisv32_iopin crisv32_led2_red;
  34extern struct crisv32_iopin crisv32_led3_green;
  35extern struct crisv32_iopin crisv32_led3_red;
  36
  37static inline void crisv32_io_set(struct crisv32_iopin* iopin,
  38                           int val)
  39{
  40        if (val)
  41                *iopin->port->data |= iopin->bit;
  42        else
  43                *iopin->port->data &= ~iopin->bit;
  44}
  45
  46static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
  47                               enum crisv32_io_dir dir)
  48{
  49        if (dir == crisv32_io_dir_in)
  50                *iopin->port->oe &= ~iopin->bit;
  51        else
  52                *iopin->port->oe |= iopin->bit;
  53}
  54
  55static inline int crisv32_io_rd(struct crisv32_iopin* iopin)
  56{
  57        return ((*iopin->port->data_in & iopin->bit) ? 1 : 0);
  58}
  59
  60int crisv32_io_get(struct crisv32_iopin* iopin,
  61                   unsigned int port, unsigned int pin);
  62int crisv32_io_get_name(struct crisv32_iopin* iopin,
  63                         char* name);
  64
  65#define LED_OFF    0x00
  66#define LED_GREEN  0x01
  67#define LED_RED    0x02
  68#define LED_ORANGE (LED_GREEN | LED_RED)
  69
  70#define LED_NETWORK_SET(x)                          \
  71        do {                                        \
  72                LED_NETWORK_SET_G((x) & LED_GREEN); \
  73                LED_NETWORK_SET_R((x) & LED_RED);   \
  74        } while (0)
  75#define LED_ACTIVE_SET(x)                           \
  76        do {                                        \
  77                LED_ACTIVE_SET_G((x) & LED_GREEN);  \
  78                LED_ACTIVE_SET_R((x) & LED_RED);    \
  79        } while (0)
  80
  81#define LED_NETWORK_SET_G(x) \
  82        crisv32_io_set(&crisv32_led1_green, !(x));
  83#define LED_NETWORK_SET_R(x) \
  84        crisv32_io_set(&crisv32_led1_red, !(x));
  85#define LED_ACTIVE_SET_G(x) \
  86        crisv32_io_set(&crisv32_led2_green, !(x));
  87#define LED_ACTIVE_SET_R(x) \
  88        crisv32_io_set(&crisv32_led2_red, !(x));
  89#define LED_DISK_WRITE(x) \
  90         do{\
  91                crisv32_io_set(&crisv32_led3_green, !(x)); \
  92                crisv32_io_set(&crisv32_led3_red, !(x));   \
  93        }while(0)
  94#define LED_DISK_READ(x) \
  95        crisv32_io_set(&crisv32_led3_green, !(x));
  96
  97#endif
  98