mirror of
https://github.com/wessel-novacustom/clevo-keyboard.git
synced 2024-11-15 11:43:59 +01:00
147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
/*
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* tuxedo_keyboard.c
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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 program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define pr_fmt(fmt) "tuxedo_keyboard" ": " fmt
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/acpi.h>
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#include <linux/dmi.h>
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#include <linux/platform_device.h>
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#include <linux/input.h>
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#include <linux/input/sparse-keymap.h>
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#include "tuxedo_keyboard_common.h"
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#include "clevo_keyboard.h"
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#include "uniwill_keyboard.h"
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MODULE_AUTHOR("TUXEDO Computers GmbH <tux@tuxedocomputers.com>");
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MODULE_DESCRIPTION("TUXEDO Computers keyboard & keyboard backlight Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION("2.0.4");
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MODULE_ALIAS("wmi:" CLEVO_EVENT_GUID);
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MODULE_ALIAS("wmi:" CLEVO_GET_GUID);
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static struct tuxedo_keyboard_driver *driver_list[] = {
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&clevo_keyboard_driver,
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&uniwill_keyboard_driver
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};
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static int tuxedo_input_init(const struct key_entry key_map[])
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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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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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}
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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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err_free_input_device:
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input_free_device(tuxedo_input_device);
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return err;
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}
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static void __exit tuxedo_input_exit(void)
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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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static int __init tuxdeo_keyboard_init(void)
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{
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int i, err;
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int num_drivers = sizeof(driver_list) / sizeof(*driver_list);
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TUXEDO_INFO("Model '%s' found\n",
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dmi_get_system_info(DMI_PRODUCT_NAME));
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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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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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tuxedo_platform_device = platform_create_bundle(
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current_driver->platform_driver,
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current_driver->probe, NULL, 0, NULL, 0);
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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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TUXEDO_ERROR("No matching hardware found\n");
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return -ENODEV;
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}
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if (current_driver->key_map != NULL) {
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err = tuxedo_input_init(current_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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current_driver->input_device = NULL;
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} else {
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current_driver->input_device = tuxedo_input_device;
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}
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}
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return 0;
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}
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static void __exit tuxdeo_keyboard_exit(void)
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{
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tuxedo_input_exit();
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platform_device_unregister(tuxedo_platform_device);
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platform_driver_unregister(current_driver->platform_driver);
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TUXEDO_DEBUG("exit");
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}
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module_init(tuxdeo_keyboard_init);
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module_exit(tuxdeo_keyboard_exit);
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