| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2016 Intel Corporation. |
| * |
| * 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_dsm.h> |
| #include <device/device.h> |
| #include <stdint.h> |
| #include "chip.h" |
| |
| static void i2c_alps_fill_dsm(struct device *dev) |
| { |
| struct drivers_i2c_alps_config *config = dev->chip_info; |
| struct dsm_i2c_hid_config dsm_config = { |
| .hid_desc_reg_offset = config->hid_desc_reg_offset, |
| }; |
| |
| acpigen_write_dsm_i2c_hid(&dsm_config); |
| } |
| |
| static void i2c_alps_fill_ssdt_generator(struct device *dev) |
| { |
| struct drivers_i2c_alps_config *config = dev->chip_info; |
| i2c_generic_fill_ssdt(dev, &i2c_alps_fill_dsm, &config->generic); |
| } |
| |
| static const char *i2c_alps_acpi_name(struct device *dev) |
| { |
| return "ALPS"; |
| } |
| |
| static struct device_operations i2c_alps_ops = { |
| .read_resources = DEVICE_NOOP, |
| .set_resources = DEVICE_NOOP, |
| .enable_resources = DEVICE_NOOP, |
| #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) |
| .acpi_name = &i2c_alps_acpi_name, |
| .acpi_fill_ssdt_generator = &i2c_alps_fill_ssdt_generator, |
| #endif |
| }; |
| |
| static void i2c_alps_enable(struct device *dev) |
| { |
| dev->ops = &i2c_alps_ops; |
| } |
| |
| struct chip_operations drivers_i2c_alps_ops = { |
| CHIP_NAME("ALPS I2C Device") |
| .enable_dev = &i2c_alps_enable |
| }; |