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name : led.h
 /* 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 */
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