| Jiri Kosina | 7942274 | 2009-03-11 11:43:27 +0100 | [diff] [blame] | 1 | /* | 
 | 2 |  *  HID driver for Kye/Genius devices not fully compliant with HID standard | 
 | 3 |  * | 
 | 4 |  *  Copyright (c) 2009 Jiri Kosina | 
 | 5 |  *  Copyright (c) 2009 Tomas Hanak | 
 | 6 |  */ | 
 | 7 |  | 
 | 8 | /* | 
 | 9 |  * This program is free software; you can redistribute it and/or modify it | 
 | 10 |  * under the terms of the GNU General Public License as published by the Free | 
 | 11 |  * Software Foundation; either version 2 of the License, or (at your option) | 
 | 12 |  * any later version. | 
 | 13 |  */ | 
 | 14 |  | 
 | 15 | #include <linux/device.h> | 
 | 16 | #include <linux/hid.h> | 
 | 17 | #include <linux/module.h> | 
 | 18 |  | 
 | 19 | #include "hid-ids.h" | 
 | 20 |  | 
 | 21 | /* the fixups that need to be done: | 
 | 22 |  *   - change led usage page to button for extra buttons | 
 | 23 |  *   - report size 8 count 1 must be size 1 count 8 for button bitfield | 
 | 24 |  *   - change the button usage range to 4-7 for the extra buttons | 
 | 25 |  */ | 
 | 26 | static void kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, | 
 | 27 | 		unsigned int rsize) | 
 | 28 | { | 
 | 29 | 	if (rsize >= 74 && | 
 | 30 | 		rdesc[61] == 0x05 && rdesc[62] == 0x08 && | 
 | 31 | 		rdesc[63] == 0x19 && rdesc[64] == 0x08 && | 
 | 32 | 		rdesc[65] == 0x29 && rdesc[66] == 0x0f && | 
 | 33 | 		rdesc[71] == 0x75 && rdesc[72] == 0x08 && | 
 | 34 | 		rdesc[73] == 0x95 && rdesc[74] == 0x01) { | 
 | 35 | 		dev_info(&hdev->dev, "fixing up Kye/Genius Ergo Mouse report " | 
 | 36 | 				"descriptor\n"); | 
 | 37 | 		rdesc[62] = 0x09; | 
 | 38 | 		rdesc[64] = 0x04; | 
 | 39 | 		rdesc[66] = 0x07; | 
 | 40 | 		rdesc[72] = 0x01; | 
 | 41 | 		rdesc[74] = 0x08; | 
 | 42 | 	} | 
 | 43 | } | 
 | 44 |  | 
 | 45 | static const struct hid_device_id kye_devices[] = { | 
 | 46 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, | 
 | 47 | 	{ } | 
 | 48 | }; | 
 | 49 | MODULE_DEVICE_TABLE(hid, kye_devices); | 
 | 50 |  | 
 | 51 | static struct hid_driver kye_driver = { | 
 | 52 | 	.name = "kye", | 
 | 53 | 	.id_table = kye_devices, | 
 | 54 | 	.report_fixup = kye_report_fixup, | 
 | 55 | }; | 
 | 56 |  | 
 | 57 | static int kye_init(void) | 
 | 58 | { | 
 | 59 | 	return hid_register_driver(&kye_driver); | 
 | 60 | } | 
 | 61 |  | 
 | 62 | static void kye_exit(void) | 
 | 63 | { | 
 | 64 | 	hid_unregister_driver(&kye_driver); | 
 | 65 | } | 
 | 66 |  | 
 | 67 | module_init(kye_init); | 
 | 68 | module_exit(kye_exit); | 
 | 69 | MODULE_LICENSE("GPL"); |