2020-12-09 13:17:20 +01:00
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/*!
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* Copyright (c) 2018-2020 TUXEDO Computers GmbH <tux@tuxedocomputers.com>
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*
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* This file is part of tuxedo-keyboard.
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*
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* tuxedo-keyboard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software. If not, see <https://www.gnu.org/licenses/>.
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*/
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2020-05-29 16:20:02 +02:00
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#define pr_fmt(fmt) "tuxedo_keyboard" ": " fmt
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2019-08-04 01:28:08 +02:00
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2020-05-27 17:08:40 +02:00
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#include "tuxedo_keyboard_common.h"
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#include "clevo_keyboard.h"
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2020-05-29 16:20:02 +02:00
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#include "uniwill_keyboard.h"
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2021-03-15 11:30:45 +01:00
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#include <linux/mutex.h>
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2020-04-14 12:47:05 +02:00
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2020-05-19 15:42:50 +02:00
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MODULE_AUTHOR("TUXEDO Computers GmbH <tux@tuxedocomputers.com>");
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2020-05-20 13:15:05 +02:00
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MODULE_DESCRIPTION("TUXEDO Computers keyboard & keyboard backlight Driver");
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2018-06-08 11:56:32 +02:00
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MODULE_LICENSE("GPL");
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2021-04-23 18:33:53 +02:00
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MODULE_VERSION("3.0.5");
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2018-06-08 11:56:32 +02:00
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2020-06-22 13:33:41 +02:00
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MODULE_ALIAS("wmi:" UNIWILL_WMI_EVENT_GUID_0);
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MODULE_ALIAS("wmi:" UNIWILL_WMI_EVENT_GUID_1);
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MODULE_ALIAS("wmi:" UNIWILL_WMI_EVENT_GUID_2);
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2020-08-12 10:41:58 +02:00
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MODULE_SOFTDEP("pre: tuxedo-cc-wmi");
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2021-03-15 11:30:45 +01:00
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static DEFINE_MUTEX(tuxedo_keyboard_init_driver_lock);
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2020-05-29 16:20:02 +02:00
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static struct tuxedo_keyboard_driver *driver_list[] = {
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&uniwill_keyboard_driver
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};
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2020-05-28 18:35:46 +02:00
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static int tuxedo_input_init(const struct key_entry key_map[])
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2019-05-31 19:39:20 +02:00
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{
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int err;
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tuxedo_input_device = input_allocate_device();
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if (unlikely(!tuxedo_input_device)) {
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TUXEDO_ERROR("Error allocating input device\n");
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return -ENOMEM;
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}
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tuxedo_input_device->name = "TUXEDO Keyboard";
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tuxedo_input_device->phys = DRIVER_NAME "/input0";
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tuxedo_input_device->id.bustype = BUS_HOST;
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tuxedo_input_device->dev.parent = &tuxedo_platform_device->dev;
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2020-05-27 18:04:08 +02:00
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if (key_map != NULL) {
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err = sparse_keymap_setup(tuxedo_input_device, key_map, NULL);
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if (err) {
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TUXEDO_ERROR("Failed to setup sparse keymap\n");
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goto err_free_input_device;
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}
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2019-12-19 10:34:56 +01:00
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}
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2019-05-31 19:39:20 +02:00
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err = input_register_device(tuxedo_input_device);
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if (unlikely(err)) {
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TUXEDO_ERROR("Error registering input device\n");
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goto err_free_input_device;
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}
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return 0;
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2019-06-04 19:32:30 +02:00
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err_free_input_device:
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2019-05-31 19:39:20 +02:00
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input_free_device(tuxedo_input_device);
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return err;
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}
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2020-12-02 17:25:43 +01:00
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struct platform_device *tuxedo_keyboard_init_driver(struct tuxedo_keyboard_driver *tk_driver)
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{
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int err;
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2021-04-19 14:13:48 +02:00
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struct platform_device *new_platform_device = NULL;
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2020-12-02 17:25:43 +01:00
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TUXEDO_DEBUG("init driver start\n");
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2021-03-15 11:30:45 +01:00
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mutex_lock(&tuxedo_keyboard_init_driver_lock);
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2020-12-02 17:25:43 +01:00
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if (!IS_ERR_OR_NULL(tuxedo_platform_device)) {
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2021-03-15 11:30:45 +01:00
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// If already initialized, don't proceed
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TUXEDO_DEBUG("platform device already initialized\n");
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goto init_driver_exit;
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} else {
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// Otherwise, attempt to initialize structures
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TUXEDO_DEBUG("create platform bundle\n");
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2021-04-19 14:13:48 +02:00
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new_platform_device = platform_create_bundle(
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2021-03-15 11:30:45 +01:00
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tk_driver->platform_driver, tk_driver->probe, NULL, 0, NULL, 0);
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2021-04-19 14:13:48 +02:00
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tuxedo_platform_device = new_platform_device;
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2021-03-15 11:30:45 +01:00
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if (IS_ERR_OR_NULL(tuxedo_platform_device)) {
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// Normal case probe failed, no init
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goto init_driver_exit;
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}
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2020-12-02 17:25:43 +01:00
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2021-03-15 11:30:45 +01:00
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TUXEDO_DEBUG("initialize input device\n");
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if (tk_driver->key_map != NULL) {
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err = tuxedo_input_init(tk_driver->key_map);
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if (unlikely(err)) {
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TUXEDO_ERROR("Could not register input device\n");
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tk_driver->input_device = NULL;
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} else {
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TUXEDO_DEBUG("input device registered\n");
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tk_driver->input_device = tuxedo_input_device;
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}
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2020-12-02 17:25:43 +01:00
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}
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2021-03-15 11:30:45 +01:00
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current_driver = tk_driver;
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}
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2020-12-02 17:25:43 +01:00
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2021-03-15 11:30:45 +01:00
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init_driver_exit:
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mutex_unlock(&tuxedo_keyboard_init_driver_lock);
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2021-04-19 14:13:48 +02:00
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return new_platform_device;
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2020-12-02 17:25:43 +01:00
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}
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EXPORT_SYMBOL(tuxedo_keyboard_init_driver);
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2019-06-04 19:32:30 +02:00
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static void __exit tuxedo_input_exit(void)
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2019-05-31 19:39:20 +02:00
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{
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if (unlikely(!tuxedo_input_device)) {
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return;
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}
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input_unregister_device(tuxedo_input_device);
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{
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tuxedo_input_device = NULL;
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}
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}
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2021-03-15 11:30:45 +01:00
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static int __init tuxedo_keyboard_init(void)
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2019-05-31 19:39:20 +02:00
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{
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2020-12-02 17:25:43 +01:00
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int i;
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2020-05-29 16:20:02 +02:00
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int num_drivers = sizeof(driver_list) / sizeof(*driver_list);
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2019-05-31 19:39:20 +02:00
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TUXEDO_INFO("Model '%s' found\n",
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2019-06-04 19:32:30 +02:00
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dmi_get_system_info(DMI_PRODUCT_NAME));
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2019-05-31 19:39:20 +02:00
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2020-05-28 18:35:46 +02:00
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// Attempt to load each available driver
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// Associated probe decides if it fits
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// Driver from first successful probe is used
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2019-05-31 19:39:20 +02:00
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2020-05-29 16:20:02 +02:00
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i = 0;
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while (IS_ERR_OR_NULL(tuxedo_platform_device) && i < num_drivers) {
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current_driver = driver_list[i];
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2021-03-15 11:30:45 +01:00
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tuxedo_keyboard_init_driver(current_driver);
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2020-05-29 16:20:02 +02:00
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++i;
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}
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if (IS_ERR_OR_NULL(tuxedo_platform_device)) {
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2020-12-02 17:25:43 +01:00
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TUXEDO_DEBUG("No matching hardware found on init\n");
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current_driver = NULL;
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2019-05-31 19:39:20 +02:00
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}
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return 0;
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}
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2021-03-15 11:30:45 +01:00
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static void __exit tuxedo_keyboard_exit(void)
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2019-05-31 19:39:20 +02:00
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{
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2020-12-02 17:25:43 +01:00
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TUXEDO_DEBUG("tuxedo_input_exit()\n");
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2019-05-31 19:39:20 +02:00
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tuxedo_input_exit();
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2020-12-02 17:25:43 +01:00
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TUXEDO_DEBUG("platform_device_unregister()\n");
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if (!IS_ERR_OR_NULL(tuxedo_platform_device))
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platform_device_unregister(tuxedo_platform_device);
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TUXEDO_DEBUG("platform_driver_unregister()\n");
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if (!IS_ERR_OR_NULL(current_driver))
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platform_driver_unregister(current_driver->platform_driver);
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TUXEDO_DEBUG("exit\n");
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2019-05-31 19:39:20 +02:00
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}
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2021-03-15 11:30:45 +01:00
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module_init(tuxedo_keyboard_init);
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module_exit(tuxedo_keyboard_exit);
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