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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <console/console.h>
#include <device/device.h>
#include <arch/io.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)
{
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_final(struct device *dev)
{
/* Enable Dummy DCC ON# for DVI */
printk(BIOS_DEBUG, "Laptop handling...\n");
outb(inb(0x60f) & ~(1 << 5), 0x60f);
}
static void mainboard_enable(struct device *dev)
{
/* Configure the MultiKey controller */
/* Enable LCD Backlight */
backlight_enable();
/* Disable Dummy DCC -> GP45 = 1 */
outb(inb(0x60f) | (1 << 5), 0x60f);
/* LCD panel type is SIO GPIO40-43 */
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
dev->ops->final = mainboard_final;
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
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