mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <device/device.h>
#include <device/pci_ops.h>
#include <drivers/intel/gma/int15.h>
 
 
#include "ec_oem.c"
 
#include "mainboard.h"
 
#define MAX_LCD_BRIGHTNESS      0xd8
 
static void ec_enable(void)
{
        u16 keymap;
        /* Enable Hotkey SCI */
 
        /* Fn key map; F1 = [0] ... F12 = [11] */
        keymap = 0x5f1;
        send_ec_oem_command(0x45);
        send_ec_oem_data(0x09); // SCI
        // send_ec_oem_data(0x08); // SMI#
        send_ec_oem_data(keymap >> 8);
        send_ec_oem_data(keymap & 0xff);
 
        /* Enable Backlight */
        ec_write(0x17, MAX_LCD_BRIGHTNESS);
 
        /* Notify EC system is in ACPI mode */
        send_ec_oem_command(0x5e);
        send_ec_oem_data(0xea);
        send_ec_oem_data(0x0c);
        send_ec_oem_data(0x01);
}
 
static void mainboard_init(struct device *dev)
{
        ec_enable();
        install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_TXT_STRETCH, 0, 3);
}
 
// mainboard_enable is executed as first thing after
// enumerate_buses(). Is there no mainboard_init()?
static void mainboard_enable(struct device *dev)
{
        dev->ops->init = mainboard_init;
        dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
}
 
struct chip_operations mainboard_ops = {
        .enable_dev = mainboard_enable,
};