xref: /openbmc/linux/drivers/hid/hid-gyration.c (revision eb3fcf00)
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) 2008 Jiri Slaby
8  *  Copyright (c) 2006-2008 Jiri Kosina
9  */
10 
11 /*
12  * This program is free software; you can redistribute it and/or modify it
13  * under the terms of the GNU General Public License as published by the Free
14  * Software Foundation; either version 2 of the License, or (at your option)
15  * any later version.
16  */
17 
18 #include <linux/device.h>
19 #include <linux/input.h>
20 #include <linux/hid.h>
21 #include <linux/module.h>
22 
23 #include "hid-ids.h"
24 
25 #define gy_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
26 					EV_KEY, (c))
27 static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
28 		struct hid_field *field, struct hid_usage *usage,
29 		unsigned long **bit, int *max)
30 {
31 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
32 		return 0;
33 
34 	set_bit(EV_REP, hi->input->evbit);
35 	switch (usage->hid & HID_USAGE) {
36 	/* Reported on Gyration MCE Remote */
37 	case 0x00d: gy_map_key_clear(KEY_HOME);		break;
38 	case 0x024: gy_map_key_clear(KEY_DVD);		break;
39 	case 0x025: gy_map_key_clear(KEY_PVR);		break;
40 	case 0x046: gy_map_key_clear(KEY_MEDIA);	break;
41 	case 0x047: gy_map_key_clear(KEY_MP3);		break;
42 	case 0x048: gy_map_key_clear(KEY_MEDIA);	break;
43 	case 0x049: gy_map_key_clear(KEY_CAMERA);	break;
44 	case 0x04a: gy_map_key_clear(KEY_VIDEO);	break;
45 	case 0x05a: gy_map_key_clear(KEY_TEXT);		break;
46 	case 0x05b: gy_map_key_clear(KEY_RED);		break;
47 	case 0x05c: gy_map_key_clear(KEY_GREEN);	break;
48 	case 0x05d: gy_map_key_clear(KEY_YELLOW);	break;
49 	case 0x05e: gy_map_key_clear(KEY_BLUE);		break;
50 
51 	default:
52 		return 0;
53 	}
54 	return 1;
55 }
56 
57 static int gyration_event(struct hid_device *hdev, struct hid_field *field,
58 		struct hid_usage *usage, __s32 value)
59 {
60 
61 	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
62 		return 0;
63 
64 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
65 			(usage->hid & 0xff) == 0x82) {
66 		struct input_dev *input = field->hidinput->input;
67 		input_event(input, usage->type, usage->code, 1);
68 		input_sync(input);
69 		input_event(input, usage->type, usage->code, 0);
70 		input_sync(input);
71 		return 1;
72 	}
73 
74 	return 0;
75 }
76 
77 static const struct hid_device_id gyration_devices[] = {
78 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
79 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
80 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
81 	{ }
82 };
83 MODULE_DEVICE_TABLE(hid, gyration_devices);
84 
85 static struct hid_driver gyration_driver = {
86 	.name = "gyration",
87 	.id_table = gyration_devices,
88 	.input_mapping = gyration_input_mapping,
89 	.event = gyration_event,
90 };
91 module_hid_driver(gyration_driver);
92 
93 MODULE_LICENSE("GPL");
94