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_RCV LED0 /* for LAN receive activity */
15 #define LED_LAN_TX LED1 /* for LAN transmit 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 register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg);
29
30 #ifdef CONFIG_CHASSIS_LCD_LED
31 /* writes a string to the LCD display (if possible on this h/w) */
32 void lcd_print(const char *str);
33 #else
34 #define lcd_print(str) do { } while (0)
35 #endif
36
37 #endif /* LED_H */
38
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