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