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 */ 14 15 #include <linux/device.h> 16 #include <linux/input.h> 17 #include <linux/hid.h> 18 #include <linux/module.h> 19 20 #include "hid-ids.h" 21 22 #define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ 23 EV_KEY, (c)) 24 static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi, 25 struct hid_field *field, struct hid_usage *usage, 26 unsigned long **bit, int *max) 27 { 28 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) 29 return 0; 30 31 set_bit(EV_REP, hi->input->evbit); 32 switch (usage->hid & HID_USAGE) { 33 /* Reported on Gyration MCE Remote */ 34 case 0x00d: gy_map_key_clear(KEY_HOME); break; 35 case 0x024: gy_map_key_clear(KEY_DVD); break; 36 case 0x025: gy_map_key_clear(KEY_PVR); break; 37 case 0x046: gy_map_key_clear(KEY_MEDIA); break; 38 case 0x047: gy_map_key_clear(KEY_MP3); break; 39 case 0x048: gy_map_key_clear(KEY_MEDIA); break; 40 case 0x049: gy_map_key_clear(KEY_CAMERA); break; 41 case 0x04a: gy_map_key_clear(KEY_VIDEO); break; 42 case 0x05a: gy_map_key_clear(KEY_TEXT); break; 43 case 0x05b: gy_map_key_clear(KEY_RED); break; 44 case 0x05c: gy_map_key_clear(KEY_GREEN); break; 45 case 0x05d: gy_map_key_clear(KEY_YELLOW); break; 46 case 0x05e: gy_map_key_clear(KEY_BLUE); break; 47 48 default: 49 return 0; 50 } 51 return 1; 52 } 53 54 static int gyration_event(struct hid_device *hdev, struct hid_field *field, 55 struct hid_usage *usage, __s32 value) 56 { 57 58 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) 59 return 0; 60 61 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && 62 (usage->hid & 0xff) == 0x82) { 63 struct input_dev *input = field->hidinput->input; 64 input_event(input, usage->type, usage->code, 1); 65 input_sync(input); 66 input_event(input, usage->type, usage->code, 0); 67 input_sync(input); 68 return 1; 69 } 70 71 return 0; 72 } 73 74 static const struct hid_device_id gyration_devices[] = { 75 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 76 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 77 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 78 { } 79 }; 80 MODULE_DEVICE_TABLE(hid, gyration_devices); 81 82 static struct hid_driver gyration_driver = { 83 .name = "gyration", 84 .id_table = gyration_devices, 85 .input_mapping = gyration_input_mapping, 86 .event = gyration_event, 87 }; 88 module_hid_driver(gyration_driver); 89 90 MODULE_LICENSE("GPL"); 91