arch/parisc/include/asm/led.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef LED_H
   3 #define LED_H
   4
   5 #define LED7            0x80            /* top (or furthest right) LED */
   6 #define LED6            0x40
   7 #define LED5            0x20
   8 #define LED4            0x10
   9 #define LED3            0x08
  10 #define LED2            0x04
  11 #define LED1            0x02
  12 #define LED0            0x01            /* bottom (or furthest left) LED */
  13
  14 #define LED_LAN_TX      LED0            /* for LAN transmit activity */
  15 #define LED_LAN_RCV     LED1            /* for LAN receive activity */
  16 #define LED_DISK_IO     LED2            /* for disk activity */
  17 #define LED_HEARTBEAT   LED3            /* heartbeat */
  18
  19 /* values for pdc_chassis_lcd_info_ret_block.model: */
  20 #define DISPLAY_MODEL_LCD  0            /* KittyHawk LED or LCD */
  21 #define DISPLAY_MODEL_NONE 1            /* no LED or LCD */
  22 #define DISPLAY_MODEL_LASI 2            /* LASI style 8 bit LED */
  23 #define DISPLAY_MODEL_OLD_ASP 0x7F      /* faked: ASP style 8 x 1 bit LED (only very old ASP versions) */
  24
  25 #define LED_CMD_REG_NONE 0              /* NULL == no addr for the cmd register */
  26
  27 /* register_led_driver() */
  28 int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg);
  29
  30 /* registers the LED regions for procfs */
  31 void __init register_led_regions(void);
  32
  33 #ifdef CONFIG_CHASSIS_LCD_LED
  34 /* writes a string to the LCD display (if possible on this h/w) */
  35 int lcd_print(const char *str);
  36 #else
  37 #define lcd_print(str)
  38 #endif
  39
  40 /* main LED initialization function (uses PDC) */
  41 int __init led_init(void);
  42
  43 #endif /* LED_H */