1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef LED_H 3*4882a593Smuzhiyun #define LED_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #define LED7 0x80 /* top (or furthest right) LED */ 6*4882a593Smuzhiyun #define LED6 0x40 7*4882a593Smuzhiyun #define LED5 0x20 8*4882a593Smuzhiyun #define LED4 0x10 9*4882a593Smuzhiyun #define LED3 0x08 10*4882a593Smuzhiyun #define LED2 0x04 11*4882a593Smuzhiyun #define LED1 0x02 12*4882a593Smuzhiyun #define LED0 0x01 /* bottom (or furthest left) LED */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define LED_LAN_TX LED0 /* for LAN transmit activity */ 15*4882a593Smuzhiyun #define LED_LAN_RCV LED1 /* for LAN receive activity */ 16*4882a593Smuzhiyun #define LED_DISK_IO LED2 /* for disk activity */ 17*4882a593Smuzhiyun #define LED_HEARTBEAT LED3 /* heartbeat */ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* values for pdc_chassis_lcd_info_ret_block.model: */ 20*4882a593Smuzhiyun #define DISPLAY_MODEL_LCD 0 /* KittyHawk LED or LCD */ 21*4882a593Smuzhiyun #define DISPLAY_MODEL_NONE 1 /* no LED or LCD */ 22*4882a593Smuzhiyun #define DISPLAY_MODEL_LASI 2 /* LASI style 8 bit LED */ 23*4882a593Smuzhiyun #define DISPLAY_MODEL_OLD_ASP 0x7F /* faked: ASP style 8 x 1 bit LED (only very old ASP versions) */ 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #define LED_CMD_REG_NONE 0 /* NULL == no addr for the cmd register */ 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /* register_led_driver() */ 28*4882a593Smuzhiyun int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun /* registers the LED regions for procfs */ 31*4882a593Smuzhiyun void __init register_led_regions(void); 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #ifdef CONFIG_CHASSIS_LCD_LED 34*4882a593Smuzhiyun /* writes a string to the LCD display (if possible on this h/w) */ 35*4882a593Smuzhiyun int lcd_print(const char *str); 36*4882a593Smuzhiyun #else 37*4882a593Smuzhiyun #define lcd_print(str) 38*4882a593Smuzhiyun #endif 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* main LED initialization function (uses PDC) */ 41*4882a593Smuzhiyun int __init led_init(void); 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun #endif /* LED_H */ 44