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Commit 02fb72a0 authored by David Herrmann's avatar David Herrmann Committed by Jiri Kosina
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HID: wiimote: Register wiimote hid driver stub 



The wiimote uses a fake HID protocol. Hence, we need to prevent
HIDINPUT and HIDDEV from parsing wiimote data and instead parse
raw hid events.
Add VID/PID to hid-core so the special driver is loaded on new
wiimotes.

Signed-off-by: default avatarDavid Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent fb51b443

drivers/hid/hid-core.c

+1 −0
Original line number Diff line number Diff line
@@ -1504,6 +1504,7 @@ static const struct hid_device_id hid_have_special_driver[] = { 
	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },



	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },

	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },

	{ }

};

drivers/hid/hid-ids.h

+3 −0
Original line number Diff line number Diff line
@@ -495,6 +495,9 @@ 
#define USB_VENDOR_ID_NEXTWINDOW	0x1926

#define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN	0x0003



#define USB_VENDOR_ID_NINTENDO		0x057e

#define USB_DEVICE_ID_NINTENDO_WIIMOTE	0x0306



#define USB_VENDOR_ID_NTRIG		0x1b96

#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN   0x0001

#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1   0x0003

drivers/hid/hid-wiimote.c

+61 −1
Original line number Diff line number Diff line
@@ -10,18 +10,78 @@ 
 * any later version.

 */



#include <linux/hid.h>

#include <linux/module.h>

#include "hid-ids.h"



#define WIIMOTE_VERSION "0.1"

#define WIIMOTE_NAME "Nintendo Wii Remote"



static int __init wiimote_init(void)

static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,

							u8 *raw_data, int size)

{

	if (size < 1)

		return -EINVAL;



	return 0;

}



static int wiimote_hid_probe(struct hid_device *hdev,

				const struct hid_device_id *id)

{

	int ret;



	ret = hid_parse(hdev);

	if (ret) {

		hid_err(hdev, "HID parse failed\n");

		return ret;

	}



	ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);

	if (ret) {

		hid_err(hdev, "HW start failed\n");

		return ret;

	}



	hid_info(hdev, "New device registered\n");

	return 0;

}



static void wiimote_hid_remove(struct hid_device *hdev)

{

	hid_info(hdev, "Device removed\n");

	hid_hw_stop(hdev);

}



static const struct hid_device_id wiimote_hid_devices[] = {

	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,

				USB_DEVICE_ID_NINTENDO_WIIMOTE) },

	{ }

};

MODULE_DEVICE_TABLE(hid, wiimote_hid_devices);



static struct hid_driver wiimote_hid_driver = {

	.name = "wiimote",

	.id_table = wiimote_hid_devices,

	.probe = wiimote_hid_probe,

	.remove = wiimote_hid_remove,

	.raw_event = wiimote_hid_event,

};



static int __init wiimote_init(void)

{

	int ret;



	ret = hid_register_driver(&wiimote_hid_driver);

	if (ret)

		pr_err("Can't register wiimote hid driver\n");



	return ret;

}



static void __exit wiimote_exit(void)

{

	hid_unregister_driver(&wiimote_hid_driver);

}



module_init(wiimote_init);