^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * HID driver for Holtek gaming mice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2013 Christian Ohm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Heavily inspired by various other HID drivers that adjust the report
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * The report descriptor of some Holtek based gaming mice specifies an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * excessively large number of consumer usages (2^15), which is more than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * HID_MAX_USAGES. This prevents proper parsing of the report descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * This driver fixes the report descriptor for:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * - USB ID 04d9:a067, sold as Sharkoon Drakonia and Perixx MX-2000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * - USB ID 04d9:a04a, sold as Tracer Sniper TRM-503, NOVA Gaming Slider X200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * and Zalman ZM-GM1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * - USB ID 04d9:a081, sold as SHARKOON DarkGlider Gaming mouse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * - USB ID 04d9:a072, sold as LEETGION Hellion Gaming Mouse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * - USB ID 04d9:a0c2, sold as ETEKCITY Scroll T-140 Gaming Mouse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) unsigned int *rsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) /* Change usage maximum and logical maximum from 0x7fff to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * 0x2fff, so they don't exceed HID_MAX_USAGES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) switch (hdev->product) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (*rsize >= 122 && rdesc[115] == 0xff && rdesc[116] == 0x7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) && rdesc[120] == 0xff && rdesc[121] == 0x7f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) hid_info(hdev, "Fixing up report descriptor\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) rdesc[116] = rdesc[121] = 0x2f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (*rsize >= 113 && rdesc[106] == 0xff && rdesc[107] == 0x7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) && rdesc[111] == 0xff && rdesc[112] == 0x7f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) hid_info(hdev, "Fixing up report descriptor\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) rdesc[107] = rdesc[112] = 0x2f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return rdesc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static int holtek_mouse_probe(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) const struct hid_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (!hid_is_usb(hdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) ret = hid_parse(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) hid_err(hdev, "hid parse failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) hid_err(hdev, "hw start failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static const struct hid_device_id holtek_mouse_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) MODULE_DEVICE_TABLE(hid, holtek_mouse_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static struct hid_driver holtek_mouse_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .name = "holtek_mouse",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .id_table = holtek_mouse_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .report_fixup = holtek_mouse_report_fixup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .probe = holtek_mouse_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) module_hid_driver(holtek_mouse_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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