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/*
* This file is part of the coreboot project.
*
* Copyright 2018 Google LLC
*
* 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.
*/
#include <arch/acpi.h>
#include <bootstate.h>
#include <device/pnp.h>
#include <ec/acpi/ec.h>
#include <pc80/keyboard.h>
#include <stdint.h>
#include <stdlib.h>
#include "commands.h"
#include "ec.h"
#include "chip.h"
static void wilco_ec_post_complete(void *unused)
{
wilco_ec_send(KB_BIOS_PROGRESS, BIOS_PROGRESS_POST_COMPLETE);
}
BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT,
wilco_ec_post_complete, NULL);
static void wilco_ec_post_memory_init(void *unused)
{
wilco_ec_send(KB_BIOS_PROGRESS, BIOS_PROGRESS_MEMORY_INIT);
}
BOOT_STATE_INIT_ENTRY(BS_PRE_DEVICE, BS_ON_EXIT,
wilco_ec_post_memory_init, NULL);
static void wilco_ec_post_video_init(void *unused)
{
wilco_ec_send(KB_BIOS_PROGRESS, BIOS_PROGRESS_VIDEO_INIT);
}
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT,
wilco_ec_post_video_init, NULL);
static void wilco_ec_resume(void *unused)
{
wilco_ec_send_noargs(KB_RESTORE);
}
BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, wilco_ec_resume, NULL);
static void wilco_ec_init(struct device *dev)
{
if (!dev->enabled)
return;
/* Disable S0ix support in EC RAM with ACPI EC interface */
if (!acpi_is_wakeup_s3()) {
ec_set_ports(CONFIG_EC_BASE_ACPI_COMMAND,
CONFIG_EC_BASE_ACPI_DATA);
ec_write(EC_RAM_S0IX_SUPPORT, 0);
}
/* Print EC firmware information */
wilco_ec_print_all_info();
/* Initialize keyboard, ignore emulated PS/2 mouse */
pc_keyboard_init(NO_AUX_DEVICE);
/* Direct power button to the host for processing */
wilco_ec_send(KB_POWER_BUTTON_TO_HOST, 1);
/* Unmute speakers */
wilco_ec_send(KB_HW_MUTE_CONTROL, AUDIO_UNMUTE_125MS);
/* Enable WiFi radio */
wilco_ec_radio_control(RADIO_WIFI, 1);
/* Turn on camera power */
wilco_ec_send(KB_CAMERA, CAMERA_ON);
}
static void wilco_ec_resource(struct device *dev, int index,
size_t base, size_t size)
{
struct resource *res = new_resource(dev, index);
res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res->base = base;
res->size = size;
}
static void wilco_ec_read_resources(struct device *dev)
{
/* ACPI command and data regions */
wilco_ec_resource(dev, 0, CONFIG_EC_BASE_ACPI_DATA, 8);
/* Host command and data regions */
wilco_ec_resource(dev, 1, CONFIG_EC_BASE_HOST_DATA, 8);
/* Packet region */
wilco_ec_resource(dev, 2, CONFIG_EC_BASE_PACKET, 16);
}
static struct device_operations ops = {
.init = wilco_ec_init,
.read_resources = wilco_ec_read_resources,
.enable_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
};
static struct pnp_info info[] = {
{ NULL, 0, 0, 0, }
};
static void wilco_ec_enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(info), info);
}
struct chip_operations ec_google_wilco_ops = {
CHIP_NAME("Google Wilco EC")
.enable_dev = wilco_ec_enable_dev,
};
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