hid-gyration.c 2.6 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * HID driver for some gyration "special" devices
  4. *
  5. * Copyright (c) 1999 Andreas Gal
  6. * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  7. * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
  8. * Copyright (c) 2008 Jiri Slaby
  9. * Copyright (c) 2006-2008 Jiri Kosina
  10. */
  11. /*
  12. */
  13. #include <linux/device.h>
  14. #include <linux/input.h>
  15. #include <linux/hid.h>
  16. #include <linux/module.h>
  17. #include "hid-ids.h"
  18. #define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
  19. EV_KEY, (c))
  20. static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  21. struct hid_field *field, struct hid_usage *usage,
  22. unsigned long **bit, int *max)
  23. {
  24. if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
  25. return 0;
  26. set_bit(EV_REP, hi->input->evbit);
  27. switch (usage->hid & HID_USAGE) {
  28. /* Reported on Gyration MCE Remote */
  29. case 0x00d: gy_map_key_clear(KEY_HOME); break;
  30. case 0x024: gy_map_key_clear(KEY_DVD); break;
  31. case 0x025: gy_map_key_clear(KEY_PVR); break;
  32. case 0x046: gy_map_key_clear(KEY_MEDIA); break;
  33. case 0x047: gy_map_key_clear(KEY_MP3); break;
  34. case 0x048: gy_map_key_clear(KEY_MEDIA); break;
  35. case 0x049: gy_map_key_clear(KEY_CAMERA); break;
  36. case 0x04a: gy_map_key_clear(KEY_VIDEO); break;
  37. case 0x05a: gy_map_key_clear(KEY_TEXT); break;
  38. case 0x05b: gy_map_key_clear(KEY_RED); break;
  39. case 0x05c: gy_map_key_clear(KEY_GREEN); break;
  40. case 0x05d: gy_map_key_clear(KEY_YELLOW); break;
  41. case 0x05e: gy_map_key_clear(KEY_BLUE); break;
  42. default:
  43. return 0;
  44. }
  45. return 1;
  46. }
  47. static int gyration_event(struct hid_device *hdev, struct hid_field *field,
  48. struct hid_usage *usage, __s32 value)
  49. {
  50. if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
  51. return 0;
  52. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
  53. (usage->hid & 0xff) == 0x82) {
  54. struct input_dev *input = field->hidinput->input;
  55. input_event(input, usage->type, usage->code, 1);
  56. input_sync(input);
  57. input_event(input, usage->type, usage->code, 0);
  58. input_sync(input);
  59. return 1;
  60. }
  61. return 0;
  62. }
  63. static const struct hid_device_id gyration_devices[] = {
  64. { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
  65. { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
  66. { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
  67. { }
  68. };
  69. MODULE_DEVICE_TABLE(hid, gyration_devices);
  70. static struct hid_driver gyration_driver = {
  71. .name = "gyration",
  72. .id_table = gyration_devices,
  73. .input_mapping = gyration_input_mapping,
  74. .event = gyration_event,
  75. };
  76. module_hid_driver(gyration_driver);
  77. MODULE_LICENSE("GPL");