1 /*
2  *  HID driver for TiVo Slide Bluetooth remote
3  *
4  *  Copyright (c) 2011 Jarod Wilson <jarod@redhat.com>
5  *  based on the hid-topseed driver, which is in turn, based on hid-cherry...
6  */
7 
8 /*
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License as published by the Free
11  * Software Foundation; either version 2 of the License, or (at your option)
12  * any later version.
13  */
14 
15 #include <linux/device.h>
16 #include <linux/hid.h>
17 #include <linux/module.h>
18 
19 #include "hid-ids.h"
20 
21 #define HID_UP_TIVOVENDOR	0xffff0000
22 #define tivo_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
23 					EV_KEY, (c))
24 
tivo_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)25 static int tivo_input_mapping(struct hid_device *hdev, struct hid_input *hi,
26 		struct hid_field *field, struct hid_usage *usage,
27 		unsigned long **bit, int *max)
28 {
29 	switch (usage->hid & HID_USAGE_PAGE) {
30 	case HID_UP_TIVOVENDOR:
31 		switch (usage->hid & HID_USAGE) {
32 		/* TiVo button */
33 		case 0x3d: tivo_map_key_clear(KEY_MEDIA);	break;
34 		/* Live TV */
35 		case 0x3e: tivo_map_key_clear(KEY_TV);		break;
36 		/* Red thumbs down */
37 		case 0x41: tivo_map_key_clear(KEY_KPMINUS);	break;
38 		/* Green thumbs up */
39 		case 0x42: tivo_map_key_clear(KEY_KPPLUS);	break;
40 		default:
41 			return 0;
42 		}
43 		break;
44 	case HID_UP_CONSUMER:
45 		switch (usage->hid & HID_USAGE) {
46 		/* Enter/Last (default mapping: KEY_LAST) */
47 		case 0x083: tivo_map_key_clear(KEY_ENTER);	break;
48 		/* Info (default mapping: KEY_PROPS) */
49 		case 0x209: tivo_map_key_clear(KEY_INFO);	break;
50 		default:
51 			return 0;
52 		}
53 		break;
54 	default:
55 		return 0;
56 	}
57 
58 	/* This means we found a matching mapping here, else, look in the
59 	 * standard hid mappings in hid-input.c */
60 	return 1;
61 }
62 
63 static const struct hid_device_id tivo_devices[] = {
64 	/* TiVo Slide Bluetooth remote, pairs with a Broadcom dongle */
65 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
66 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
67 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
68 	{ }
69 };
70 MODULE_DEVICE_TABLE(hid, tivo_devices);
71 
72 static struct hid_driver tivo_driver = {
73 	.name = "tivo_slide",
74 	.id_table = tivo_devices,
75 	.input_mapping = tivo_input_mapping,
76 };
77 module_hid_driver(tivo_driver);
78 
79 MODULE_LICENSE("GPL");
80 MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
81