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 case 0x05a: gy_map_key_clear(KEY_TEXT); break; 47 case 0x05b: gy_map_key_clear(KEY_RED); break; 48 case 0x05c: gy_map_key_clear(KEY_GREEN); break; 49 case 0x05d: gy_map_key_clear(KEY_YELLOW); break; 50 case 0x05e: gy_map_key_clear(KEY_BLUE); break; 51 52 default: 53 return 0; 54 } 55 return 1; 56 } 57 58 static int gyration_event(struct hid_device *hdev, struct hid_field *field, 59 struct hid_usage *usage, __s32 value) 60 { 61 62 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) 63 return 0; 64 65 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && 66 (usage->hid & 0xff) == 0x82) { 67 struct input_dev *input = field->hidinput->input; 68 input_event(input, usage->type, usage->code, 1); 69 input_sync(input); 70 input_event(input, usage->type, usage->code, 0); 71 input_sync(input); 72 return 1; 73 } 74 75 return 0; 76 } 77 78 static const struct hid_device_id gyration_devices[] = { 79 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, 80 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, 81 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, 82 { } 83 }; 84 MODULE_DEVICE_TABLE(hid, gyration_devices); 85 86 static struct hid_driver gyration_driver = { 87 .name = "gyration", 88 .id_table = gyration_devices, 89 .input_mapping = gyration_input_mapping, 90 .event = gyration_event, 91 }; 92 93 static int __init gyration_init(void) 94 { 95 return hid_register_driver(&gyration_driver); 96 } 97 98 static void __exit gyration_exit(void) 99 { 100 hid_unregister_driver(&gyration_driver); 101 } 102 103 module_init(gyration_init); 104 module_exit(gyration_exit); 105 MODULE_LICENSE("GPL"); 106