1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * HID driver for some petalynx "special" devices
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 1999 Andreas Gal
6*4882a593Smuzhiyun * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7*4882a593Smuzhiyun * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8*4882a593Smuzhiyun * Copyright (c) 2006-2007 Jiri Kosina
9*4882a593Smuzhiyun * Copyright (c) 2008 Jiri Slaby
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /*
13*4882a593Smuzhiyun */
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/device.h>
16*4882a593Smuzhiyun #include <linux/hid.h>
17*4882a593Smuzhiyun #include <linux/module.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include "hid-ids.h"
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun /* Petalynx Maxter Remote has maximum for consumer page set too low */
pl_report_fixup(struct hid_device * hdev,__u8 * rdesc,unsigned int * rsize)22*4882a593Smuzhiyun static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
23*4882a593Smuzhiyun unsigned int *rsize)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun if (*rsize >= 62 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
26*4882a593Smuzhiyun rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
27*4882a593Smuzhiyun rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
28*4882a593Smuzhiyun hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n");
29*4882a593Smuzhiyun rdesc[60] = 0xfa;
30*4882a593Smuzhiyun rdesc[40] = 0xfa;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun return rdesc;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #define pl_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
36*4882a593Smuzhiyun EV_KEY, (c))
pl_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)37*4882a593Smuzhiyun static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi,
38*4882a593Smuzhiyun struct hid_field *field, struct hid_usage *usage,
39*4882a593Smuzhiyun unsigned long **bit, int *max)
40*4882a593Smuzhiyun {
41*4882a593Smuzhiyun if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) {
42*4882a593Smuzhiyun switch (usage->hid & HID_USAGE) {
43*4882a593Smuzhiyun case 0x05a: pl_map_key_clear(KEY_TEXT); break;
44*4882a593Smuzhiyun case 0x05b: pl_map_key_clear(KEY_RED); break;
45*4882a593Smuzhiyun case 0x05c: pl_map_key_clear(KEY_GREEN); break;
46*4882a593Smuzhiyun case 0x05d: pl_map_key_clear(KEY_YELLOW); break;
47*4882a593Smuzhiyun case 0x05e: pl_map_key_clear(KEY_BLUE); break;
48*4882a593Smuzhiyun default:
49*4882a593Smuzhiyun return 0;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun return 1;
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
55*4882a593Smuzhiyun switch (usage->hid & HID_USAGE) {
56*4882a593Smuzhiyun case 0x0f6: pl_map_key_clear(KEY_NEXT); break;
57*4882a593Smuzhiyun case 0x0fa: pl_map_key_clear(KEY_BACK); break;
58*4882a593Smuzhiyun default:
59*4882a593Smuzhiyun return 0;
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun return 1;
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun return 0;
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
pl_probe(struct hid_device * hdev,const struct hid_device_id * id)67*4882a593Smuzhiyun static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
68*4882a593Smuzhiyun {
69*4882a593Smuzhiyun int ret;
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun hdev->quirks |= HID_QUIRK_NOGET;
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun ret = hid_parse(hdev);
74*4882a593Smuzhiyun if (ret) {
75*4882a593Smuzhiyun hid_err(hdev, "parse failed\n");
76*4882a593Smuzhiyun goto err_free;
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
80*4882a593Smuzhiyun if (ret) {
81*4882a593Smuzhiyun hid_err(hdev, "hw start failed\n");
82*4882a593Smuzhiyun goto err_free;
83*4882a593Smuzhiyun }
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun return 0;
86*4882a593Smuzhiyun err_free:
87*4882a593Smuzhiyun return ret;
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun static const struct hid_device_id pl_devices[] = {
91*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
92*4882a593Smuzhiyun { }
93*4882a593Smuzhiyun };
94*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, pl_devices);
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun static struct hid_driver pl_driver = {
97*4882a593Smuzhiyun .name = "petalynx",
98*4882a593Smuzhiyun .id_table = pl_devices,
99*4882a593Smuzhiyun .report_fixup = pl_report_fixup,
100*4882a593Smuzhiyun .input_mapping = pl_input_mapping,
101*4882a593Smuzhiyun .probe = pl_probe,
102*4882a593Smuzhiyun };
103*4882a593Smuzhiyun module_hid_driver(pl_driver);
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun MODULE_LICENSE("GPL");
106