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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 | |
29 | static __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 | |
89 | static 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 | }; |
109 | static 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 | |
145 | static __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 | |
152 | static 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 | |
186 | static 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 | }; |
193 | MODULE_DEVICE_TABLE(hid, ps3remote_devices); |
194 | |
195 | static 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 | }; |
201 | module_hid_driver(ps3remote_driver); |
202 | |
203 | MODULE_LICENSE("GPL"); |
204 | MODULE_AUTHOR("David Dillow <dave@thedillows.org>, Antonio Ospite <ospite@studenti.unina.it>"); |
205 |
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