include/asm-parisc/led.h

   1 #ifndef LED_H
   2 #define LED_H
   3
   4 #define LED7            0x80            /* top (or furthest right) LED */
   5 #define LED6            0x40
   6 #define LED5            0x20
   7 #define LED4            0x10
   8 #define LED3            0x08
   9 #define LED2            0x04
  10 #define LED1            0x02
  11 #define LED0            0x01            /* bottom (or furthest left) LED */
  12
  13 #define LED_LAN_TX      LED0            /* for LAN transmit activity */
  14 #define LED_LAN_RCV     LED1            /* for LAN receive activity */
  15 #define LED_DISK_IO     LED2            /* for disk activity */
  16 #define LED_HEARTBEAT   LED3            /* heartbeat */
  17
  18 /* values for pdc_chassis_lcd_info_ret_block.model: */
  19 #define DISPLAY_MODEL_LCD  0            /* KittyHawk LED or LCD */
  20 #define DISPLAY_MODEL_NONE 1            /* no LED or LCD */
  21 #define DISPLAY_MODEL_LASI 2            /* LASI style 8 bit LED */
  22 #define DISPLAY_MODEL_OLD_ASP 0x7F      /* faked: ASP style 8 x 1 bit LED (only very old ASP versions) */
  23
  24 #define LED_CMD_REG_NONE 0              /* NULL == no addr for the cmd register */
  25
  26 /* led tasklet struct */
  27 extern struct tasklet_struct led_tasklet;
  28
  29 /* register_led_driver() */
  30 int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg);
  31
  32 /* registers the LED regions for procfs */
  33 void __init register_led_regions(void);
  34
  35 #ifdef CONFIG_CHASSIS_LCD_LED
  36 /* writes a string to the LCD display (if possible on this h/w) */
  37 int lcd_print(char *str);
  38 #else
  39 #define lcd_print(str)
  40 #endif
  41
  42 /* main LED initialization function (uses PDC) */
  43 int __init led_init(void);
  44
  45 #endif /* LED_H */