171 lines
4.9 KiB
C
171 lines
4.9 KiB
C
/*
|
|
* Eee PC WMI hotkey driver
|
|
*
|
|
* Copyright(C) 2010 Intel Corporation.
|
|
* Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
|
|
*
|
|
* Portions based on wistron_btns.c:
|
|
* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
|
|
* Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
|
|
* Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
|
|
*
|
|
* 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/input.h>
|
|
#include <linux/input/sparse-keymap.h>
|
|
#include <linux/dmi.h>
|
|
#include <acpi/acpi_bus.h>
|
|
|
|
#include "asus-wmi.h"
|
|
|
|
#define EEEPC_WMI_FILE "eeepc-wmi"
|
|
|
|
MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>");
|
|
MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */
|
|
|
|
#define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000"
|
|
|
|
MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID);
|
|
|
|
static bool hotplug_wireless;
|
|
|
|
module_param(hotplug_wireless, bool, 0444);
|
|
MODULE_PARM_DESC(hotplug_wireless,
|
|
"Enable hotplug for wireless device. "
|
|
"If your laptop needs that, please report to "
|
|
"acpi4asus-user@lists.sourceforge.net.");
|
|
|
|
static const struct key_entry eeepc_wmi_keymap[] = {
|
|
/* Sleep already handled via generic ACPI code */
|
|
{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
|
|
{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
|
|
{ KE_KEY, 0x32, { KEY_MUTE } },
|
|
{ KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */
|
|
{ KE_KEY, 0x5d, { KEY_WLAN } },
|
|
{ KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */
|
|
{ KE_KEY, 0x82, { KEY_CAMERA } },
|
|
{ KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
|
|
{ KE_KEY, 0x88, { KEY_WLAN } },
|
|
{ KE_KEY, 0xbd, { KEY_CAMERA } },
|
|
{ KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
|
|
{ KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
|
|
{ KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
|
|
{ KE_KEY, 0xe8, { KEY_SCREENLOCK } },
|
|
{ KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
|
|
{ KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
|
|
{ KE_KEY, 0xec, { KEY_CAMERA_UP } },
|
|
{ KE_KEY, 0xed, { KEY_CAMERA_DOWN } },
|
|
{ KE_KEY, 0xee, { KEY_CAMERA_LEFT } },
|
|
{ KE_KEY, 0xef, { KEY_CAMERA_RIGHT } },
|
|
{ KE_END, 0},
|
|
};
|
|
|
|
static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level,
|
|
void *context, void **retval)
|
|
{
|
|
pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID);
|
|
*(bool *)context = true;
|
|
return AE_CTRL_TERMINATE;
|
|
}
|
|
|
|
static int eeepc_wmi_check_atkd(void)
|
|
{
|
|
acpi_status status;
|
|
bool found = false;
|
|
|
|
status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device,
|
|
&found, NULL);
|
|
|
|
if (ACPI_FAILURE(status) || !found)
|
|
return 0;
|
|
return -1;
|
|
}
|
|
|
|
static int eeepc_wmi_probe(struct platform_device *pdev)
|
|
{
|
|
if (eeepc_wmi_check_atkd()) {
|
|
pr_warn("WMI device present, but legacy ATKD device is also "
|
|
"present and enabled\n");
|
|
pr_warn("You probably booted with acpi_osi=\"Linux\" or "
|
|
"acpi_osi=\"!Windows 2009\"\n");
|
|
pr_warn("Can't load eeepc-wmi, use default acpi_osi "
|
|
"(preferred) or eeepc-laptop\n");
|
|
return -EBUSY;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void eeepc_dmi_check(struct asus_wmi_driver *driver)
|
|
{
|
|
const char *model;
|
|
|
|
model = dmi_get_system_info(DMI_PRODUCT_NAME);
|
|
if (!model)
|
|
return;
|
|
|
|
/*
|
|
* Whitelist for wlan hotplug
|
|
*
|
|
* Asus 1000H needs the current hotplug code to handle
|
|
* Fn+F2 correctly. We may add other Asus here later, but
|
|
* it seems that most of the laptops supported by asus-wmi
|
|
* don't need to be on this list
|
|
*/
|
|
if (strcmp(model, "1000H") == 0) {
|
|
driver->hotplug_wireless = true;
|
|
pr_info("wlan hotplug enabled\n");
|
|
}
|
|
}
|
|
|
|
static void eeepc_wmi_quirks(struct asus_wmi_driver *driver)
|
|
{
|
|
driver->hotplug_wireless = hotplug_wireless;
|
|
eeepc_dmi_check(driver);
|
|
}
|
|
|
|
static struct asus_wmi_driver asus_wmi_driver = {
|
|
.name = EEEPC_WMI_FILE,
|
|
.owner = THIS_MODULE,
|
|
.event_guid = EEEPC_WMI_EVENT_GUID,
|
|
.keymap = eeepc_wmi_keymap,
|
|
.input_name = "Eee PC WMI hotkeys",
|
|
.input_phys = EEEPC_WMI_FILE "/input0",
|
|
.probe = eeepc_wmi_probe,
|
|
.quirks = eeepc_wmi_quirks,
|
|
};
|
|
|
|
|
|
static int __init eeepc_wmi_init(void)
|
|
{
|
|
return asus_wmi_register_driver(&asus_wmi_driver);
|
|
}
|
|
|
|
static void __exit eeepc_wmi_exit(void)
|
|
{
|
|
asus_wmi_unregister_driver(&asus_wmi_driver);
|
|
}
|
|
|
|
module_init(eeepc_wmi_init);
|
|
module_exit(eeepc_wmi_exit);
|