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274be3eb65
Added support of RITMIX ROM-316 mouse to hid-holtek-mouse workaround module Signed-off-by: Alexey Kharlamov <derlafff@ya.ru> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*
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* HID driver for Holtek gaming mice
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* Copyright (c) 2013 Christian Ohm
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* Heavily inspired by various other HID drivers that adjust the report
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* descriptor.
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include "hid-ids.h"
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/*
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* The report descriptor of some Holtek based gaming mice specifies an
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* excessively large number of consumer usages (2^15), which is more than
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* HID_MAX_USAGES. This prevents proper parsing of the report descriptor.
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*
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* This driver fixes the report descriptor for:
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* - USB ID 04d9:a067, sold as Sharkoon Drakonia and Perixx MX-2000
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* - USB ID 04d9:a04a, sold as Tracer Sniper TRM-503, NOVA Gaming Slider X200
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* and Zalman ZM-GM1
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* - USB ID 04d9:a081, sold as SHARKOON DarkGlider Gaming mouse
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* - USB ID 04d9:a072, sold as LEETGION Hellion Gaming Mouse
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*/
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static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
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/* Change usage maximum and logical maximum from 0x7fff to
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* 0x2fff, so they don't exceed HID_MAX_USAGES */
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switch (hdev->product) {
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case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067:
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case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072:
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if (*rsize >= 122 && rdesc[115] == 0xff && rdesc[116] == 0x7f
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&& rdesc[120] == 0xff && rdesc[121] == 0x7f) {
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hid_info(hdev, "Fixing up report descriptor\n");
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rdesc[116] = rdesc[121] = 0x2f;
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}
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break;
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case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A:
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case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070:
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case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081:
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if (*rsize >= 113 && rdesc[106] == 0xff && rdesc[107] == 0x7f
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&& rdesc[111] == 0xff && rdesc[112] == 0x7f) {
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hid_info(hdev, "Fixing up report descriptor\n");
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rdesc[107] = rdesc[112] = 0x2f;
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}
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break;
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}
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}
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return rdesc;
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}
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static const struct hid_device_id holtek_mouse_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
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USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
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USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
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USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
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USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
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USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, holtek_mouse_devices);
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static struct hid_driver holtek_mouse_driver = {
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.name = "holtek_mouse",
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.id_table = holtek_mouse_devices,
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.report_fixup = holtek_mouse_report_fixup,
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};
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module_hid_driver(holtek_mouse_driver);
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MODULE_LICENSE("GPL");
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