1 /* 2 * HID driver for some chicony "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 ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ 27 EV_KEY, (c)) 28 static int ch_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_MSVENDOR) 33 return 0; 34 35 set_bit(EV_REP, hi->input->evbit); 36 switch (usage->hid & HID_USAGE) { 37 case 0xff01: ch_map_key_clear(BTN_1); break; 38 case 0xff02: ch_map_key_clear(BTN_2); break; 39 case 0xff03: ch_map_key_clear(BTN_3); break; 40 case 0xff04: ch_map_key_clear(BTN_4); break; 41 case 0xff05: ch_map_key_clear(BTN_5); break; 42 case 0xff06: ch_map_key_clear(BTN_6); break; 43 case 0xff07: ch_map_key_clear(BTN_7); break; 44 case 0xff08: ch_map_key_clear(BTN_8); break; 45 case 0xff09: ch_map_key_clear(BTN_9); break; 46 case 0xff0a: ch_map_key_clear(BTN_A); break; 47 case 0xff0b: ch_map_key_clear(BTN_B); break; 48 case 0x00f1: ch_map_key_clear(KEY_WLAN); break; 49 case 0x00f2: ch_map_key_clear(KEY_BRIGHTNESSDOWN); break; 50 case 0x00f3: ch_map_key_clear(KEY_BRIGHTNESSUP); break; 51 case 0x00f4: ch_map_key_clear(KEY_DISPLAY_OFF); break; 52 default: 53 return 0; 54 } 55 return 1; 56 } 57 58 static const struct hid_device_id ch_devices[] = { 59 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, 60 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, 61 { } 62 }; 63 MODULE_DEVICE_TABLE(hid, ch_devices); 64 65 static struct hid_driver ch_driver = { 66 .name = "chicony", 67 .id_table = ch_devices, 68 .input_mapping = ch_input_mapping, 69 }; 70 71 static int __init ch_init(void) 72 { 73 return hid_register_driver(&ch_driver); 74 } 75 76 static void __exit ch_exit(void) 77 { 78 hid_unregister_driver(&ch_driver); 79 } 80 81 module_init(ch_init); 82 module_exit(ch_exit); 83 MODULE_LICENSE("GPL"); 84