| /* |
| * 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 <bootstate.h> |
| #include <device/pnp.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; |
| |
| /* 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, |
| }; |