tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * HID driver for Sony PS3 BD Remote Control
3 *
4 * Copyright (c) 2012 David Dillow <dave@thedillows.org>
5 * Based on a blend of the bluez fakehid user-space code by Marcel Holtmann
6 * and other kernel HID drivers.
7 */
8
9/*
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; either version 2 of the License, or (at your option)
13 * any later version.
14 */
15
16/* NOTE: in order for the Sony PS3 BD Remote Control to be found by
17 * a Bluetooth host, the key combination Start+Enter has to be kept pressed
18 * for about 7 seconds with the Bluetooth Host Controller in discovering mode.
19 *
20 * There will be no PIN request from the device.
21 */
22
23#include <linux/device.h>
24#include <linux/hid.h>
25#include <linux/module.h>
26
27#include "hid-ids.h"
28
29static __u8 ps3remote_rdesc[] = {
30 0x05, 0x01, /* GUsagePage Generic Desktop */
31 0x09, 0x05, /* LUsage 0x05 [Game Pad] */
32 0xA1, 0x01, /* MCollection Application (mouse, keyboard) */
33
34 /* Use collection 1 for joypad buttons */
35 0xA1, 0x02, /* MCollection Logical (interrelated data) */
36
37 /* Ignore the 1st byte, maybe it is used for a controller
38 * number but it's not needed for correct operation */
39 0x75, 0x08, /* GReportSize 0x08 [8] */
40 0x95, 0x01, /* GReportCount 0x01 [1] */
41 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
42
43 /* Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
44 * buttons multiple keypresses are allowed */
45 0x05, 0x09, /* GUsagePage Button */
46 0x19, 0x01, /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
47 0x29, 0x18, /* LUsageMaximum 0x18 [Button 24] */
48 0x14, /* GLogicalMinimum [0] */
49 0x25, 0x01, /* GLogicalMaximum 0x01 [1] */
50 0x75, 0x01, /* GReportSize 0x01 [1] */
51 0x95, 0x18, /* GReportCount 0x18 [24] */
52 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
53
54 0xC0, /* MEndCollection */
55
56 /* Use collection 2 for remote control buttons */
57 0xA1, 0x02, /* MCollection Logical (interrelated data) */
58
59 /* 5th byte is used for remote control buttons */
60 0x05, 0x09, /* GUsagePage Button */
61 0x18, /* LUsageMinimum [No button pressed] */
62 0x29, 0xFE, /* LUsageMaximum 0xFE [Button 254] */
63 0x14, /* GLogicalMinimum [0] */
64 0x26, 0xFE, 0x00, /* GLogicalMaximum 0x00FE [254] */
65 0x75, 0x08, /* GReportSize 0x08 [8] */
66 0x95, 0x01, /* GReportCount 0x01 [1] */
67 0x80, /* MInput */
68
69 /* Ignore bytes from 6th to 11th, 6th to 10th are always constant at
70 * 0xff and 11th is for press indication */
71 0x75, 0x08, /* GReportSize 0x08 [8] */
72 0x95, 0x06, /* GReportCount 0x06 [6] */
73 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
74
75 /* 12th byte is for battery strength */
76 0x05, 0x06, /* GUsagePage Generic Device Controls */
77 0x09, 0x20, /* LUsage 0x20 [Battery Strength] */
78 0x14, /* GLogicalMinimum [0] */
79 0x25, 0x05, /* GLogicalMaximum 0x05 [5] */
80 0x75, 0x08, /* GReportSize 0x08 [8] */
81 0x95, 0x01, /* GReportCount 0x01 [1] */
82 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
83
84 0xC0, /* MEndCollection */
85
86 0xC0 /* MEndCollection [Game Pad] */
87};
88
89static const unsigned int ps3remote_keymap_joypad_buttons[] = {
90 [0x01] = KEY_SELECT,
91 [0x02] = BTN_THUMBL, /* L3 */
92 [0x03] = BTN_THUMBR, /* R3 */
93 [0x04] = BTN_START,
94 [0x05] = KEY_UP,
95 [0x06] = KEY_RIGHT,
96 [0x07] = KEY_DOWN,
97 [0x08] = KEY_LEFT,
98 [0x09] = BTN_TL2, /* L2 */
99 [0x0a] = BTN_TR2, /* R2 */
100 [0x0b] = BTN_TL, /* L1 */
101 [0x0c] = BTN_TR, /* R1 */
102 [0x0d] = KEY_OPTION, /* options/triangle */
103 [0x0e] = KEY_BACK, /* back/circle */
104 [0x0f] = BTN_0, /* cross */
105 [0x10] = KEY_SCREEN, /* view/square */
106 [0x11] = KEY_HOMEPAGE, /* PS button */
107 [0x14] = KEY_ENTER,
108};
109static const unsigned int ps3remote_keymap_remote_buttons[] = {
110 [0x00] = KEY_1,
111 [0x01] = KEY_2,
112 [0x02] = KEY_3,
113 [0x03] = KEY_4,
114 [0x04] = KEY_5,
115 [0x05] = KEY_6,
116 [0x06] = KEY_7,
117 [0x07] = KEY_8,
118 [0x08] = KEY_9,
119 [0x09] = KEY_0,
120 [0x0e] = KEY_ESC, /* return */
121 [0x0f] = KEY_CLEAR,
122 [0x16] = KEY_EJECTCD,
123 [0x1a] = KEY_MENU, /* top menu */
124 [0x28] = KEY_TIME,
125 [0x30] = KEY_PREVIOUS,
126 [0x31] = KEY_NEXT,
127 [0x32] = KEY_PLAY,
128 [0x33] = KEY_REWIND, /* scan back */
129 [0x34] = KEY_FORWARD, /* scan forward */
130 [0x38] = KEY_STOP,
131 [0x39] = KEY_PAUSE,
132 [0x40] = KEY_CONTEXT_MENU, /* pop up/menu */
133 [0x60] = KEY_FRAMEBACK, /* slow/step back */
134 [0x61] = KEY_FRAMEFORWARD, /* slow/step forward */
135 [0x63] = KEY_SUBTITLE,
136 [0x64] = KEY_AUDIO,
137 [0x65] = KEY_ANGLE,
138 [0x70] = KEY_INFO, /* display */
139 [0x80] = KEY_BLUE,
140 [0x81] = KEY_RED,
141 [0x82] = KEY_GREEN,
142 [0x83] = KEY_YELLOW,
143};
144
145static __u8 *ps3remote_fixup(struct hid_device *hdev, __u8 *rdesc,
146 unsigned int *rsize)
147{
148 *rsize = sizeof(ps3remote_rdesc);
149 return ps3remote_rdesc;
150}
151
152static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
153 struct hid_field *field, struct hid_usage *usage,
154 unsigned long **bit, int *max)
155{
156 unsigned int key = usage->hid & HID_USAGE;
157
158 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
159 return -1;
160
161 switch (usage->collection_index) {
162 case 1:
163 if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
164 return -1;
165
166 key = ps3remote_keymap_joypad_buttons[key];
167 if (!key)
168 return -1;
169 break;
170 case 2:
171 if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
172 return -1;
173
174 key = ps3remote_keymap_remote_buttons[key];
175 if (!key)
176 return -1;
177 break;
178 default:
179 return -1;
180 }
181
182 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
183 return 1;
184}
185
186static const struct hid_device_id ps3remote_devices[] = {
187 /* PS3 BD Remote Control */
188 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
189 /* Logitech Harmony Adapter for PS3 */
190 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
191 { }
192};
193MODULE_DEVICE_TABLE(hid, ps3remote_devices);
194
195static struct hid_driver ps3remote_driver = {
196 .name = "ps3_remote",
197 .id_table = ps3remote_devices,
198 .report_fixup = ps3remote_fixup,
199 .input_mapping = ps3remote_mapping,
200};
201module_hid_driver(ps3remote_driver);
202
203MODULE_LICENSE("GPL");
204MODULE_AUTHOR("David Dillow <dave@thedillows.org>, Antonio Ospite <ospite@studenti.unina.it>");