src/vboot/util/display.h

/*
 * Copyright 2014 Google Inc.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but without any warranty; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __VBOOT_UTIL_DISPLAY_H__
#define __VBOOT_UTIL_DISPLAY_H__

#include <vboot_api.h>

typedef struct VbootDisplayOps {
	/* Perform any work required for initializing the display. */
	VbError_t (*init)(void);
	/* Update the backlight according to the enable parameter. */
	VbError_t (*backlight_update)(uint8_t enable);
	/* Stop the display as kernel boot is taking place. */
	int (*stop)(void);
} VbootDisplayOps;

void display_set_ops(VbootDisplayOps *ops);
VbError_t display_init(void);

#endif /* __VBOOT_UTIL_DISPLAY_H__ */