HID: Add driver for Holtek gaming mouse 04d9:a067 (41de326e) · Commits · 戴 / test

drivers/hid/Kconfig

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		@@ -231,6 +231,7 @@ config HID_HOLTEK
		Support for Holtek based devices:
		- Holtek On Line Grip based game controller
		- Trust GXT 18 Gaming Keyboard
		- Sharkoon Drakonia / Perixx MX-2000 gaming mice

		config HOLTEK_FF
		bool "Holtek On Line Grip force feedback support"

drivers/hid/Makefile

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		@@ -51,6 +51,7 @@ obj-$(CONFIG_HID_ELECOM) += hid-elecom.o
		obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o
		obj-$(CONFIG_HID_GYRATION) += hid-gyration.o
		obj-$(CONFIG_HID_HOLTEK) += hid-holtek-kbd.o
		obj-$(CONFIG_HID_HOLTEK) += hid-holtek-mouse.o
		obj-$(CONFIG_HID_HOLTEK) += hid-holtekff.o
		obj-$(CONFIG_HID_HYPERV_MOUSE) += hid-hyperv.o
		obj-$(CONFIG_HID_ICADE) += hid-icade.o

drivers/hid/hid-holtek-mouse.c

0 → 100644

+72 −0

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		/*
		* HID driver for Holtek gaming mice
		* Copyright (c) 2013 Christian Ohm
		* Heavily inspired by various other HID drivers that adjust the report
		* descriptor.
		*/

		/*
		* 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.
		*/

		#include <linux/hid.h>
		#include <linux/module.h>
		#include <linux/usb.h>

		#include "hid-ids.h"

		/*
		* The report descriptor of some Holtek based gaming mice specifies an
		* excessively large number of consumer usages (2^15), which is more than
		* HID_MAX_USAGES. This prevents proper parsing of the report descriptor.
		*
		* This driver fixes the report descriptor for USB ID 04d9:a067, sold as
		* Sharkoon Drakonia and Perixx MX-2000.
		*/

		static __u8 holtek_mouse_report_fixup(struct hid_device hdev, __u8 *rdesc,
		unsigned int *rsize)
		{
		struct usb_interface *intf = to_usb_interface(hdev->dev.parent);

		if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
		/* Change usage maximum and logical maximum from 0x7fff to
		* 0x2fff, so they don't exceed HID_MAX_USAGES */
		if (*rsize >= 122 && rdesc[115] == 0xff && rdesc[116] == 0x7f
		&& rdesc[120] == 0xff && rdesc[121] == 0x7f) {
		hid_info(hdev, "Fixing up report descriptor\n");
		rdesc[116] = rdesc[121] = 0x2f;
		}
		}
		return rdesc;
		}

		static const struct hid_device_id holtek_mouse_devices[] = {
		{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
		USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
		{ }
		};
		MODULE_DEVICE_TABLE(hid, holtek_mouse_devices);

		static struct hid_driver holtek_mouse_driver = {
		.name = "holtek_mouse",
		.id_table = holtek_mouse_devices,
		.report_fixup = holtek_mouse_report_fixup,
		};

		static int __init holtek_mouse_init(void)
		{
		return hid_register_driver(&holtek_mouse_driver);
		}

		static void __exit holtek_mouse_exit(void)
		{
		hid_unregister_driver(&holtek_mouse_driver);
		}

		module_exit(holtek_mouse_exit);
		module_init(holtek_mouse_init);
		MODULE_LICENSE("GPL");

drivers/hid/hid-ids.h

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		@@ -440,6 +440,7 @@

		#define USB_VENDOR_ID_HOLTEK_ALT 0x04d9
		#define USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD 0xa055
		#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067 0xa067

		#define USB_VENDOR_ID_IMATION 0x0718
		#define USB_DEVICE_ID_DISC_STAKKA 0xd000

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