18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef LED_H 38c2ecf20Sopenharmony_ci#define LED_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#define LED7 0x80 /* top (or furthest right) LED */ 68c2ecf20Sopenharmony_ci#define LED6 0x40 78c2ecf20Sopenharmony_ci#define LED5 0x20 88c2ecf20Sopenharmony_ci#define LED4 0x10 98c2ecf20Sopenharmony_ci#define LED3 0x08 108c2ecf20Sopenharmony_ci#define LED2 0x04 118c2ecf20Sopenharmony_ci#define LED1 0x02 128c2ecf20Sopenharmony_ci#define LED0 0x01 /* bottom (or furthest left) LED */ 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci#define LED_LAN_RCV LED0 /* for LAN receive activity */ 158c2ecf20Sopenharmony_ci#define LED_LAN_TX LED1 /* for LAN transmit activity */ 168c2ecf20Sopenharmony_ci#define LED_DISK_IO LED2 /* for disk activity */ 178c2ecf20Sopenharmony_ci#define LED_HEARTBEAT LED3 /* heartbeat */ 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci/* values for pdc_chassis_lcd_info_ret_block.model: */ 208c2ecf20Sopenharmony_ci#define DISPLAY_MODEL_LCD 0 /* KittyHawk LED or LCD */ 218c2ecf20Sopenharmony_ci#define DISPLAY_MODEL_NONE 1 /* no LED or LCD */ 228c2ecf20Sopenharmony_ci#define DISPLAY_MODEL_LASI 2 /* LASI style 8 bit LED */ 238c2ecf20Sopenharmony_ci#define DISPLAY_MODEL_OLD_ASP 0x7F /* faked: ASP style 8 x 1 bit LED (only very old ASP versions) */ 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci#define LED_CMD_REG_NONE 0 /* NULL == no addr for the cmd register */ 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci/* register_led_driver() */ 288c2ecf20Sopenharmony_ciint __init register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg); 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ci/* registers the LED regions for procfs */ 318c2ecf20Sopenharmony_civoid __init register_led_regions(void); 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci#ifdef CONFIG_CHASSIS_LCD_LED 348c2ecf20Sopenharmony_ci/* writes a string to the LCD display (if possible on this h/w) */ 358c2ecf20Sopenharmony_ciint lcd_print(const char *str); 368c2ecf20Sopenharmony_ci#else 378c2ecf20Sopenharmony_ci#define lcd_print(str) 388c2ecf20Sopenharmony_ci#endif 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci/* main LED initialization function (uses PDC) */ 418c2ecf20Sopenharmony_ciint __init led_init(void); 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_ci#endif /* LED_H */ 44