/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007-2009 coresystems GmbH
 *
 * 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; version 2 of
 * the License.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

#include <console/console.h>
#include <device/device.h>
#include <arch/io.h>
#include <arch/interrupt.h>
#include <delay.h>
#include <drivers/intel/gma/int15.h>

#include <ec/acpi/ec.h>
#include "m3885.h"

#define DUMP_RUNTIME_REGISTERS 0

static void backlight_enable(void)
{
#if 0
// Disabled, don't let the X9511 burn out
	int i;

	/* P56 is Brightness Up, and it needs a Pulse instead of a
	 * Level
	 */
	for (i=0; i < 28; i++) {
		//m3885_gpio(M3885_GPIO_PULSE|M3885_GPIO_SET|M3885_GPIO_P56);
		m3885_gpio(M3885_GPIO_PULSE|M3885_GPIO_TOGGLE|M3885_GPIO_P56);
	}
#endif
	printk(BIOS_DEBUG, "Display I/O: 0x%02x\n", inb(0x60f));
}

#if DUMP_RUNTIME_REGISTERS
static void dump_runtime_registers(void)
{
	int i;

	printk(BIOS_DEBUG, "SuperIO runtime register block:\n");
	for (i=0; i<0x10; i++)
		printk(BIOS_DEBUG, "%02x ", i);
	printk(BIOS_DEBUG, "\n");
	for (i=0; i<0x10; i++)
		printk(BIOS_DEBUG, "%02x ", inb(0x600 +i));
	printk(BIOS_DEBUG, "\n");
}
#endif

static void mainboard_enable(device_t dev)
{
	/* Configure the MultiKey controller */
	// m3885_configure_multikey();

	/* Enable LCD Backlight */
	backlight_enable();

	/* Disable Dummy DCC -> GP45 = 1 */
	outb(inb(0x60f) | (1 << 5), 0x60f);

	/* LCD panel type is SIO GPIO40-43 */
	// display_id = inb(0x60f) & 0x0f;
	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 3);

#if DUMP_RUNTIME_REGISTERS
	dump_runtime_registers();
#endif
	/* Enable Dummy DCC ON# for DVI */
	printk(BIOS_DEBUG, "Laptop handling...\n");
	outb(inb(0x60f) & ~(1 << 5), 0x60f);
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};