1 /* 2 * HID driver for some monterey "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/hid.h> 21 #include <linux/module.h> 22 23 #include "hid-ids.h" 24 25 static __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc, 26 unsigned int *rsize) 27 { 28 if (*rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) { 29 dev_info(&hdev->dev, "fixing up button/consumer in HID report " 30 "descriptor\n"); 31 rdesc[30] = 0x0c; 32 } 33 return rdesc; 34 } 35 36 #define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ 37 EV_KEY, (c)) 38 static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi, 39 struct hid_field *field, struct hid_usage *usage, 40 unsigned long **bit, int *max) 41 { 42 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) 43 return 0; 44 45 switch (usage->hid & HID_USAGE) { 46 case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR); break; 47 case 0x157: mr_map_key_clear(KEY_SPREADSHEET); break; 48 case 0x158: mr_map_key_clear(KEY_PRESENTATION); break; 49 case 0x15c: mr_map_key_clear(KEY_STOP); break; 50 default: 51 return 0; 52 } 53 return 1; 54 } 55 56 static const struct hid_device_id mr_devices[] = { 57 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, 58 { } 59 }; 60 MODULE_DEVICE_TABLE(hid, mr_devices); 61 62 static struct hid_driver mr_driver = { 63 .name = "monterey", 64 .id_table = mr_devices, 65 .report_fixup = mr_report_fixup, 66 .input_mapping = mr_input_mapping, 67 }; 68 69 static int __init mr_init(void) 70 { 71 return hid_register_driver(&mr_driver); 72 } 73 74 static void __exit mr_exit(void) 75 { 76 hid_unregister_driver(&mr_driver); 77 } 78 79 module_init(mr_init); 80 module_exit(mr_exit); 81 MODULE_LICENSE("GPL"); 82