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