| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2016 Google Inc. |
| * |
| * 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/acpigen.h> |
| #if IS_ENABLED(CONFIG_GENERIC_GPIO_LIB) |
| #include <gpio.h> |
| #endif |
| #include "chromeos.h" |
| |
| void chromeos_acpi_gpio_generate(const struct cros_gpio *gpios, size_t num) |
| { |
| size_t i; |
| int gpio_num; |
| |
| acpigen_write_scope("\\"); |
| acpigen_write_name("OIPG"); |
| |
| acpigen_write_package(num); |
| for (i = 0; i < num; i++) { |
| acpigen_write_package(4); |
| acpigen_write_integer(gpios[i].type); |
| acpigen_write_integer(gpios[i].polarity); |
| gpio_num = gpios[i].gpio_num; |
| #if IS_ENABLED(CONFIG_GENERIC_GPIO_LIB) |
| /* Get ACPI pin from GPIO library if available */ |
| if (gpios[i].gpio_num != CROS_GPIO_VIRTUAL) |
| gpio_num = gpio_acpi_pin(gpio_num); |
| #endif |
| acpigen_write_integer(gpio_num); |
| acpigen_write_string(gpios[i].device); |
| acpigen_pop_len(); |
| } |
| acpigen_pop_len(); |
| |
| acpigen_pop_len(); |
| } |
| |
| void chromeos_dsdt_generator(struct device *dev) |
| { |
| mainboard_chromeos_acpi_generate(); |
| } |