1 /* 2 * HID driver for some gyration "special" devices 3 * 4 * Copyright (c) 1999 Andreas Gal 5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> 6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc 7 * Copyright (c) 2007 Paul Walmsley 8 * Copyright (c) 2008 Jiri Slaby 9 * Copyright (c) 2006-2008 Jiri Kosina 10 */ 11 12 /* 13 * This program is free software; you can redistribute it and/or modify it 14 * under the terms of the GNU General Public License as published by the Free 15 * Software Foundation; either version 2 of the License, or (at your option) 16 * any later version. 17 */ 18 19 #include <linux/device.h> 20 #include <linux/input.h> 21 #include <linux/hid.h> 22 #include <linux/module.h> 23 24 #include "hid-ids.h" 25 26 #define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ 27 EV_KEY, (c)) 28 static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi, 29 struct hid_field *field, struct hid_usage *usage, 30 unsigned long **bit, int *max) 31 { 32 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) 33 return 0; 34 35 set_bit(EV_REP, hi->input->evbit); 36 switch (usage->hid & HID_USAGE) { 37 /* Reported on Gyration MCE Remote */ 38 case 0x00d: gy_map_key_clear(KEY_HOME); break; 39 case 0x024: gy_map_key_clear(KEY_DVD); break; 40 case 0x025: gy_map_key_clear(KEY_PVR); break; 41 case 0x046: gy_map_key_clear(KEY_MEDIA); break; 42 case 0x047: gy_map_key_clear(KEY_MP3); break; 43 case 0x048: gy_map_key_clear(KEY_MEDIA); break; 44 case 0x049: gy_map_key_clear(KEY_CAMERA); break; 45 case 0x04a: gy_map_key_clear(KEY_VIDEO); break; 46 47 default: 48 return 0; 49 } 50 return 1; 51 } 52 53 static int gyration_event(struct hid_device *hdev, struct hid_field *field, 54 struct hid_usage *usage, __s32 value) 55 { 56 57 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) 58 return 0; 59 60 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && 61 (usage->hid & 0xff) == 0x82) { 62 struct input_dev *input = field->hidinput->input; 63 input_event(input, usage->type, usage->code, 1); 64 input_sync(input); 65 input_event(input, usage->type, usage->code, 0); 66 input_sync(input); 67 return 1; 68 } 69 70 return 0; 71 } 72 73 static const struct hid_device_id gyration_devices[] = { 74 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 75 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 76 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 77 { } 78 }; 79 MODULE_DEVICE_TABLE(hid, gyration_devices); 80 81 static struct hid_driver gyration_driver = { 82 .name = "gyration", 83 .id_table = gyration_devices, 84 .input_mapping = gyration_input_mapping, 85 .event = gyration_event, 86 }; 87 88 static int __init gyration_init(void) 89 { 90 return hid_register_driver(&gyration_driver); 91 } 92 93 static void __exit gyration_exit(void) 94 { 95 hid_unregister_driver(&gyration_driver); 96 } 97 98 module_init(gyration_init); 99 module_exit(gyration_exit); 100 MODULE_LICENSE("GPL"); 101