xref: /openbmc/linux/drivers/hid/hid-chicony.c (revision b3fd7368f8f60bc9a7ffc2a5311db5f4dbd42180)
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  	case 0x00f7: ch_map_key_clear(KEY_CAMERA);	break;
53  	case 0x00f8: ch_map_key_clear(KEY_PROG1);	break;
54  	default:
55  		return 0;
56  	}
57  	return 1;
58  }
59  
60  static const struct hid_device_id ch_devices[] = {
61  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
62  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
63  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
64  	{ }
65  };
66  MODULE_DEVICE_TABLE(hid, ch_devices);
67  
68  static struct hid_driver ch_driver = {
69  	.name = "chicony",
70  	.id_table = ch_devices,
71  	.input_mapping = ch_input_mapping,
72  };
73  module_hid_driver(ch_driver);
74  
75  MODULE_LICENSE("GPL");
76