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
   8 enum crisv32_io_dir
   9 {
  10   crisv32_io_dir_in = 0,
  11   crisv32_io_dir_out = 1
  12 };
  13
  14 struct crisv32_ioport
  15 {
  16   unsigned long* oe;
  17   unsigned long* data;
  18   unsigned long* data_in;
  19   unsigned int pin_count;
  20 };
  21
  22 struct crisv32_iopin
  23 {
  24   struct crisv32_ioport* port;
  25   int bit;
  26 };
  27
  28 extern struct crisv32_ioport crisv32_ioports[];
  29
  30 extern struct crisv32_iopin crisv32_led1_green;
  31 extern struct crisv32_iopin crisv32_led1_red;
  32 extern struct crisv32_iopin crisv32_led2_green;
  33 extern struct crisv32_iopin crisv32_led2_red;
  34 extern struct crisv32_iopin crisv32_led3_green;
  35 extern struct crisv32_iopin crisv32_led3_red;
  36
  37 static 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
  46 static 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
  55 static inline int crisv32_io_rd(struct crisv32_iopin* iopin)
  56 {
  57         return ((*iopin->port->data_in & iopin->bit) ? 1 : 0);
  58 }
  59
  60 int crisv32_io_get(struct crisv32_iopin* iopin,
  61                    unsigned int port, unsigned int pin);
  62 int 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