/* SPDX-License-Identifier: GPL-2.0 */
#ifndef LED_H
#define LED_H

#define LED7            0x80            /* top (or furthest right) LED */
#define LED6            0x40
#define LED5            0x20
#define LED4            0x10
#define LED3            0x08
#define LED2            0x04
#define LED1            0x02
#define LED0            0x01            /* bottom (or furthest left) LED */

#define LED_LAN_RCV     LED0            /* for LAN receive activity */
#define LED_LAN_TX      LED1            /* for LAN transmit activity */
#define LED_DISK_IO     LED2            /* for disk activity */
#define LED_HEARTBEAT   LED3            /* heartbeat */

/* values for pdc_chassis_lcd_info_ret_block.model: */
#define DISPLAY_MODEL_LCD  0            /* KittyHawk LED or LCD */
#define DISPLAY_MODEL_NONE 1            /* no LED or LCD */
#define DISPLAY_MODEL_LASI 2            /* LASI style 8 bit LED */
#define DISPLAY_MODEL_OLD_ASP 0x7F      /* faked: ASP style 8 x 1 bit LED (only very old ASP versions) */

#define LED_CMD_REG_NONE 0              /* NULL == no addr for the cmd register */

/* register_led_driver() */
int register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg);

#ifdef CONFIG_CHASSIS_LCD_LED
/* writes a string to the LCD display (if possible on this h/w) */
void lcd_print(const char *str);
#else
#define lcd_print(str) do { } while (0)
#endif

#endif /* LED_H */