xref: /openbmc/linux/arch/parisc/include/asm/led.h (revision b34e08d5)
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 /* register_led_driver() */
27 int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg);
28 
29 /* registers the LED regions for procfs */
30 void __init register_led_regions(void);
31 
32 #ifdef CONFIG_CHASSIS_LCD_LED
33 /* writes a string to the LCD display (if possible on this h/w) */
34 int lcd_print(const char *str);
35 #else
36 #define lcd_print(str)
37 #endif
38 
39 /* main LED initialization function (uses PDC) */
40 int __init led_init(void);
41 
42 #endif /* LED_H */
43