1/*
2 *  HID driver for some petalynx "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) 2008 Jiri Slaby
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/hid.h>
20#include <linux/module.h>
21
22#include "hid-ids.h"
23
24/* Petalynx Maxter Remote has maximum for consumer page set too low */
25static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
26		unsigned int *rsize)
27{
28	if (*rsize >= 62 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
29			rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
30			rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
31		hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n");
32		rdesc[60] = 0xfa;
33		rdesc[40] = 0xfa;
34	}
35	return rdesc;
36}
37
38#define pl_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
39					EV_KEY, (c))
40static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi,
41		struct hid_field *field, struct hid_usage *usage,
42		unsigned long **bit, int *max)
43{
44	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) {
45		switch (usage->hid & HID_USAGE) {
46		case 0x05a: pl_map_key_clear(KEY_TEXT);		break;
47		case 0x05b: pl_map_key_clear(KEY_RED);		break;
48		case 0x05c: pl_map_key_clear(KEY_GREEN);	break;
49		case 0x05d: pl_map_key_clear(KEY_YELLOW);	break;
50		case 0x05e: pl_map_key_clear(KEY_BLUE);		break;
51		default:
52			return 0;
53		}
54		return 1;
55	}
56
57	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
58		switch (usage->hid & HID_USAGE) {
59		case 0x0f6: pl_map_key_clear(KEY_NEXT);		break;
60		case 0x0fa: pl_map_key_clear(KEY_BACK);		break;
61		default:
62			return 0;
63		}
64		return 1;
65	}
66
67	return 0;
68}
69
70static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
71{
72	int ret;
73
74	hdev->quirks |= HID_QUIRK_NOGET;
75
76	ret = hid_parse(hdev);
77	if (ret) {
78		hid_err(hdev, "parse failed\n");
79		goto err_free;
80	}
81
82	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
83	if (ret) {
84		hid_err(hdev, "hw start failed\n");
85		goto err_free;
86	}
87
88	return 0;
89err_free:
90	return ret;
91}
92
93static const struct hid_device_id pl_devices[] = {
94	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
95	{ }
96};
97MODULE_DEVICE_TABLE(hid, pl_devices);
98
99static struct hid_driver pl_driver = {
100	.name = "petalynx",
101	.id_table = pl_devices,
102	.report_fixup = pl_report_fixup,
103	.input_mapping = pl_input_mapping,
104	.probe = pl_probe,
105};
106module_hid_driver(pl_driver);
107
108MODULE_LICENSE("GPL");
109