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) 2006-2007 Jiri Kosina 8 * Copyright (c) 2007 Paul Walmsley 9 * Copyright (c) 2008 Jiri Slaby 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 0x049: gy_map_key_clear(KEY_CAMERA); break; 44 case 0x04a: gy_map_key_clear(KEY_VIDEO); break; 45 46 default: 47 return 0; 48 } 49 return 1; 50 } 51 52 static int gyration_event(struct hid_device *hdev, struct hid_field *field, 53 struct hid_usage *usage, __s32 value) 54 { 55 struct input_dev *input = field->hidinput->input; 56 57 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && 58 (usage->hid & 0xff) == 0x82) { 59 input_event(input, usage->type, usage->code, 1); 60 input_sync(input); 61 input_event(input, usage->type, usage->code, 0); 62 input_sync(input); 63 return 1; 64 } 65 66 return 0; 67 } 68 69 static const struct hid_device_id gyration_devices[] = { 70 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 71 { } 72 }; 73 MODULE_DEVICE_TABLE(hid, gyration_devices); 74 75 static struct hid_driver gyration_driver = { 76 .name = "gyration", 77 .id_table = gyration_devices, 78 .input_mapping = gyration_input_mapping, 79 .event = gyration_event, 80 }; 81 82 static int gyration_init(void) 83 { 84 return hid_register_driver(&gyration_driver); 85 } 86 87 static void gyration_exit(void) 88 { 89 hid_unregister_driver(&gyration_driver); 90 } 91 92 module_init(gyration_init); 93 module_exit(gyration_exit); 94 MODULE_LICENSE("GPL"); 95 96 HID_COMPAT_LOAD_DRIVER(gyration); 97