src/drivers/board/samus/panel.c

/*
 * Copyright 2016 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
 */

#include "drivers/board/board.h"
#include "drivers/board/samus/coreboot.h"
#include "drivers/board/samus/panel.h"
#include "drivers/gpio/gpio.h"

static int samus_panel_enable(MonitorOps *me)
{
	SamusPanel *panel = container_of(me, SamusPanel, ops);
	cleanup_add(&panel->cleanup);
	return gpio_set(&panel->fb->backlight, 1);
}

static int samus_panel_disable(MonitorOps *me)
{
	SamusPanel *panel = container_of(me, SamusPanel, ops);
	cleanup_remove(&panel->cleanup);
	return gpio_set(&panel->fb->backlight, 0);
}

static int samus_panel_cleanup(DcEvent *me)
{
	SamusPanel *panel = container_of(me, SamusPanel, cleanup.event);

	return monitor_disable(&panel->ops);
}

SamusPanel *board__panel(void)
{
	static SamusPanel panel = {
		.ops = {
			.enable = &samus_panel_enable,
			.disable = &samus_panel_disable,
		},
		.cleanup = {
			.types = CleanupOnHandoff | CleanupOnLegacy,
			.event = {
				.trigger = &samus_panel_cleanup,
			},
		},
	};

	panel.fb = board__framebuffer();
	return &panel;
}