xref: /openbmc/linux/drivers/hid/hid-sony.c (revision 40ddb537)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  HID driver for Sony / PS2 / PS3 / PS4 BD devices.
4  *
5  *  Copyright (c) 1999 Andreas Gal
6  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8  *  Copyright (c) 2008 Jiri Slaby
9  *  Copyright (c) 2012 David Dillow <dave@thedillows.org>
10  *  Copyright (c) 2006-2013 Jiri Kosina
11  *  Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com>
12  *  Copyright (c) 2014-2016 Frank Praznik <frank.praznik@gmail.com>
13  *  Copyright (c) 2018 Todd Kelner
14  *  Copyright (c) 2020 Pascal Giard <pascal.giard@etsmtl.ca>
15  *  Copyright (c) 2020 Sanjay Govind <sanjay.govind9@gmail.com>
16  */
17 
18 /*
19  */
20 
21 /*
22  * NOTE: in order for the Sony PS3 BD Remote Control to be found by
23  * a Bluetooth host, the key combination Start+Enter has to be kept pressed
24  * for about 7 seconds with the Bluetooth Host Controller in discovering mode.
25  *
26  * There will be no PIN request from the device.
27  */
28 
29 #include <linux/device.h>
30 #include <linux/hid.h>
31 #include <linux/module.h>
32 #include <linux/slab.h>
33 #include <linux/leds.h>
34 #include <linux/power_supply.h>
35 #include <linux/spinlock.h>
36 #include <linux/list.h>
37 #include <linux/idr.h>
38 #include <linux/input/mt.h>
39 #include <linux/crc32.h>
40 #include <linux/usb.h>
41 #include <linux/timer.h>
42 #include <asm/unaligned.h>
43 
44 #include "hid-ids.h"
45 
46 #define VAIO_RDESC_CONSTANT       BIT(0)
47 #define SIXAXIS_CONTROLLER_USB    BIT(1)
48 #define SIXAXIS_CONTROLLER_BT     BIT(2)
49 #define BUZZ_CONTROLLER           BIT(3)
50 #define PS3REMOTE                 BIT(4)
51 #define DUALSHOCK4_CONTROLLER_USB BIT(5)
52 #define DUALSHOCK4_CONTROLLER_BT  BIT(6)
53 #define DUALSHOCK4_DONGLE         BIT(7)
54 #define MOTION_CONTROLLER_USB     BIT(8)
55 #define MOTION_CONTROLLER_BT      BIT(9)
56 #define NAVIGATION_CONTROLLER_USB BIT(10)
57 #define NAVIGATION_CONTROLLER_BT  BIT(11)
58 #define SINO_LITE_CONTROLLER      BIT(12)
59 #define FUTUREMAX_DANCE_MAT       BIT(13)
60 #define NSG_MR5U_REMOTE_BT        BIT(14)
61 #define NSG_MR7U_REMOTE_BT        BIT(15)
62 #define SHANWAN_GAMEPAD           BIT(16)
63 #define GH_GUITAR_CONTROLLER      BIT(17)
64 #define GHL_GUITAR_PS3WIIU        BIT(18)
65 
66 #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
67 #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT)
68 #define NAVIGATION_CONTROLLER (NAVIGATION_CONTROLLER_USB |\
69 				NAVIGATION_CONTROLLER_BT)
70 #define DUALSHOCK4_CONTROLLER (DUALSHOCK4_CONTROLLER_USB |\
71 				DUALSHOCK4_CONTROLLER_BT | \
72 				DUALSHOCK4_DONGLE)
73 #define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\
74 				DUALSHOCK4_CONTROLLER | MOTION_CONTROLLER |\
75 				NAVIGATION_CONTROLLER)
76 #define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\
77 				MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER)
78 #define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\
79 				MOTION_CONTROLLER)
80 #define SONY_BT_DEVICE (SIXAXIS_CONTROLLER_BT | DUALSHOCK4_CONTROLLER_BT |\
81 			MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER_BT)
82 #define NSG_MRXU_REMOTE (NSG_MR5U_REMOTE_BT | NSG_MR7U_REMOTE_BT)
83 
84 #define MAX_LEDS 4
85 #define NSG_MRXU_MAX_X 1667
86 #define NSG_MRXU_MAX_Y 1868
87 
88 #define GHL_GUITAR_POKE_INTERVAL 10 /* In seconds */
89 #define GUITAR_TILT_USAGE 44
90 
91 /* Magic value and data taken from GHLtarUtility:
92  * https://github.com/ghlre/GHLtarUtility/blob/master/PS3Guitar.cs
93  * Note: The Wii U and PS3 dongles happen to share the same!
94  */
95 static const u16 ghl_ps3wiiu_magic_value = 0x201;
96 static const char ghl_ps3wiiu_magic_data[] = {
97 	0x02, 0x08, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00
98 };
99 
100 /* PS/3 Motion controller */
101 static u8 motion_rdesc[] = {
102 	0x05, 0x01,         /*  Usage Page (Desktop),               */
103 	0x09, 0x04,         /*  Usage (Joystick),                   */
104 	0xA1, 0x01,         /*  Collection (Application),           */
105 	0xA1, 0x02,         /*      Collection (Logical),           */
106 	0x85, 0x01,         /*          Report ID (1),              */
107 	0x75, 0x01,         /*          Report Size (1),            */
108 	0x95, 0x15,         /*          Report Count (21),          */
109 	0x15, 0x00,         /*          Logical Minimum (0),        */
110 	0x25, 0x01,         /*          Logical Maximum (1),        */
111 	0x35, 0x00,         /*          Physical Minimum (0),       */
112 	0x45, 0x01,         /*          Physical Maximum (1),       */
113 	0x05, 0x09,         /*          Usage Page (Button),        */
114 	0x19, 0x01,         /*          Usage Minimum (01h),        */
115 	0x29, 0x15,         /*          Usage Maximum (15h),        */
116 	0x81, 0x02,         /*          Input (Variable),           * Buttons */
117 	0x95, 0x0B,         /*          Report Count (11),          */
118 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
119 	0x81, 0x03,         /*          Input (Constant, Variable), * Padding */
120 	0x15, 0x00,         /*          Logical Minimum (0),        */
121 	0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
122 	0x05, 0x01,         /*          Usage Page (Desktop),       */
123 	0xA1, 0x00,         /*          Collection (Physical),      */
124 	0x75, 0x08,         /*              Report Size (8),        */
125 	0x95, 0x01,         /*              Report Count (1),       */
126 	0x35, 0x00,         /*              Physical Minimum (0),   */
127 	0x46, 0xFF, 0x00,   /*              Physical Maximum (255), */
128 	0x09, 0x30,         /*              Usage (X),              */
129 	0x81, 0x02,         /*              Input (Variable),       * Trigger */
130 	0xC0,               /*          End Collection,             */
131 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
132 	0x75, 0x08,         /*          Report Size (8),            */
133 	0x95, 0x07,         /*          Report Count (7),           * skip 7 bytes */
134 	0x81, 0x02,         /*          Input (Variable),           */
135 	0x05, 0x01,         /*          Usage Page (Desktop),       */
136 	0x75, 0x10,         /*          Report Size (16),           */
137 	0x46, 0xFF, 0xFF,   /*          Physical Maximum (65535),   */
138 	0x27, 0xFF, 0xFF, 0x00, 0x00, /*      Logical Maximum (65535),    */
139 	0x95, 0x03,         /*          Report Count (3),           * 3x Accels */
140 	0x09, 0x33,         /*              Usage (rX),             */
141 	0x09, 0x34,         /*              Usage (rY),             */
142 	0x09, 0x35,         /*              Usage (rZ),             */
143 	0x81, 0x02,         /*          Input (Variable),           */
144 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
145 	0x95, 0x03,         /*          Report Count (3),           * Skip Accels 2nd frame */
146 	0x81, 0x02,         /*          Input (Variable),           */
147 	0x05, 0x01,         /*          Usage Page (Desktop),       */
148 	0x09, 0x01,         /*          Usage (Pointer),            */
149 	0x95, 0x03,         /*          Report Count (3),           * 3x Gyros */
150 	0x81, 0x02,         /*          Input (Variable),           */
151 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
152 	0x95, 0x03,         /*          Report Count (3),           * Skip Gyros 2nd frame */
153 	0x81, 0x02,         /*          Input (Variable),           */
154 	0x75, 0x0C,         /*          Report Size (12),           */
155 	0x46, 0xFF, 0x0F,   /*          Physical Maximum (4095),    */
156 	0x26, 0xFF, 0x0F,   /*          Logical Maximum (4095),     */
157 	0x95, 0x04,         /*          Report Count (4),           * Skip Temp and Magnetometers */
158 	0x81, 0x02,         /*          Input (Variable),           */
159 	0x75, 0x08,         /*          Report Size (8),            */
160 	0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
161 	0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
162 	0x95, 0x06,         /*          Report Count (6),           * Skip Timestamp and Extension Bytes */
163 	0x81, 0x02,         /*          Input (Variable),           */
164 	0x75, 0x08,         /*          Report Size (8),            */
165 	0x95, 0x30,         /*          Report Count (48),          */
166 	0x09, 0x01,         /*          Usage (Pointer),            */
167 	0x91, 0x02,         /*          Output (Variable),          */
168 	0x75, 0x08,         /*          Report Size (8),            */
169 	0x95, 0x30,         /*          Report Count (48),          */
170 	0x09, 0x01,         /*          Usage (Pointer),            */
171 	0xB1, 0x02,         /*          Feature (Variable),         */
172 	0xC0,               /*      End Collection,                 */
173 	0xA1, 0x02,         /*      Collection (Logical),           */
174 	0x85, 0x02,         /*          Report ID (2),              */
175 	0x75, 0x08,         /*          Report Size (8),            */
176 	0x95, 0x30,         /*          Report Count (48),          */
177 	0x09, 0x01,         /*          Usage (Pointer),            */
178 	0xB1, 0x02,         /*          Feature (Variable),         */
179 	0xC0,               /*      End Collection,                 */
180 	0xA1, 0x02,         /*      Collection (Logical),           */
181 	0x85, 0xEE,         /*          Report ID (238),            */
182 	0x75, 0x08,         /*          Report Size (8),            */
183 	0x95, 0x30,         /*          Report Count (48),          */
184 	0x09, 0x01,         /*          Usage (Pointer),            */
185 	0xB1, 0x02,         /*          Feature (Variable),         */
186 	0xC0,               /*      End Collection,                 */
187 	0xA1, 0x02,         /*      Collection (Logical),           */
188 	0x85, 0xEF,         /*          Report ID (239),            */
189 	0x75, 0x08,         /*          Report Size (8),            */
190 	0x95, 0x30,         /*          Report Count (48),          */
191 	0x09, 0x01,         /*          Usage (Pointer),            */
192 	0xB1, 0x02,         /*          Feature (Variable),         */
193 	0xC0,               /*      End Collection,                 */
194 	0xC0                /*  End Collection                      */
195 };
196 
197 static u8 ps3remote_rdesc[] = {
198 	0x05, 0x01,          /* GUsagePage Generic Desktop */
199 	0x09, 0x05,          /* LUsage 0x05 [Game Pad] */
200 	0xA1, 0x01,          /* MCollection Application (mouse, keyboard) */
201 
202 	 /* Use collection 1 for joypad buttons */
203 	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */
204 
205 	  /*
206 	   * Ignore the 1st byte, maybe it is used for a controller
207 	   * number but it's not needed for correct operation
208 	   */
209 	  0x75, 0x08,        /* GReportSize 0x08 [8] */
210 	  0x95, 0x01,        /* GReportCount 0x01 [1] */
211 	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
212 
213 	  /*
214 	   * Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
215 	   * buttons multiple keypresses are allowed
216 	   */
217 	  0x05, 0x09,        /* GUsagePage Button */
218 	  0x19, 0x01,        /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
219 	  0x29, 0x18,        /* LUsageMaximum 0x18 [Button 24] */
220 	  0x14,              /* GLogicalMinimum [0] */
221 	  0x25, 0x01,        /* GLogicalMaximum 0x01 [1] */
222 	  0x75, 0x01,        /* GReportSize 0x01 [1] */
223 	  0x95, 0x18,        /* GReportCount 0x18 [24] */
224 	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
225 
226 	  0xC0,              /* MEndCollection */
227 
228 	 /* Use collection 2 for remote control buttons */
229 	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */
230 
231 	  /* 5th byte is used for remote control buttons */
232 	  0x05, 0x09,        /* GUsagePage Button */
233 	  0x18,              /* LUsageMinimum [No button pressed] */
234 	  0x29, 0xFE,        /* LUsageMaximum 0xFE [Button 254] */
235 	  0x14,              /* GLogicalMinimum [0] */
236 	  0x26, 0xFE, 0x00,  /* GLogicalMaximum 0x00FE [254] */
237 	  0x75, 0x08,        /* GReportSize 0x08 [8] */
238 	  0x95, 0x01,        /* GReportCount 0x01 [1] */
239 	  0x80,              /* MInput  */
240 
241 	  /*
242 	   * Ignore bytes from 6th to 11th, 6th to 10th are always constant at
243 	   * 0xff and 11th is for press indication
244 	   */
245 	  0x75, 0x08,        /* GReportSize 0x08 [8] */
246 	  0x95, 0x06,        /* GReportCount 0x06 [6] */
247 	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
248 
249 	  /* 12th byte is for battery strength */
250 	  0x05, 0x06,        /* GUsagePage Generic Device Controls */
251 	  0x09, 0x20,        /* LUsage 0x20 [Battery Strength] */
252 	  0x14,              /* GLogicalMinimum [0] */
253 	  0x25, 0x05,        /* GLogicalMaximum 0x05 [5] */
254 	  0x75, 0x08,        /* GReportSize 0x08 [8] */
255 	  0x95, 0x01,        /* GReportCount 0x01 [1] */
256 	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
257 
258 	  0xC0,              /* MEndCollection */
259 
260 	 0xC0                /* MEndCollection [Game Pad] */
261 };
262 
263 static const unsigned int ps3remote_keymap_joypad_buttons[] = {
264 	[0x01] = KEY_SELECT,
265 	[0x02] = BTN_THUMBL,		/* L3 */
266 	[0x03] = BTN_THUMBR,		/* R3 */
267 	[0x04] = BTN_START,
268 	[0x05] = KEY_UP,
269 	[0x06] = KEY_RIGHT,
270 	[0x07] = KEY_DOWN,
271 	[0x08] = KEY_LEFT,
272 	[0x09] = BTN_TL2,		/* L2 */
273 	[0x0a] = BTN_TR2,		/* R2 */
274 	[0x0b] = BTN_TL,		/* L1 */
275 	[0x0c] = BTN_TR,		/* R1 */
276 	[0x0d] = KEY_OPTION,		/* options/triangle */
277 	[0x0e] = KEY_BACK,		/* back/circle */
278 	[0x0f] = BTN_0,			/* cross */
279 	[0x10] = KEY_SCREEN,		/* view/square */
280 	[0x11] = KEY_HOMEPAGE,		/* PS button */
281 	[0x14] = KEY_ENTER,
282 };
283 static const unsigned int ps3remote_keymap_remote_buttons[] = {
284 	[0x00] = KEY_1,
285 	[0x01] = KEY_2,
286 	[0x02] = KEY_3,
287 	[0x03] = KEY_4,
288 	[0x04] = KEY_5,
289 	[0x05] = KEY_6,
290 	[0x06] = KEY_7,
291 	[0x07] = KEY_8,
292 	[0x08] = KEY_9,
293 	[0x09] = KEY_0,
294 	[0x0e] = KEY_ESC,		/* return */
295 	[0x0f] = KEY_CLEAR,
296 	[0x16] = KEY_EJECTCD,
297 	[0x1a] = KEY_MENU,		/* top menu */
298 	[0x28] = KEY_TIME,
299 	[0x30] = KEY_PREVIOUS,
300 	[0x31] = KEY_NEXT,
301 	[0x32] = KEY_PLAY,
302 	[0x33] = KEY_REWIND,		/* scan back */
303 	[0x34] = KEY_FORWARD,		/* scan forward */
304 	[0x38] = KEY_STOP,
305 	[0x39] = KEY_PAUSE,
306 	[0x40] = KEY_CONTEXT_MENU,	/* pop up/menu */
307 	[0x60] = KEY_FRAMEBACK,		/* slow/step back */
308 	[0x61] = KEY_FRAMEFORWARD,	/* slow/step forward */
309 	[0x63] = KEY_SUBTITLE,
310 	[0x64] = KEY_AUDIO,
311 	[0x65] = KEY_ANGLE,
312 	[0x70] = KEY_INFO,		/* display */
313 	[0x80] = KEY_BLUE,
314 	[0x81] = KEY_RED,
315 	[0x82] = KEY_GREEN,
316 	[0x83] = KEY_YELLOW,
317 };
318 
319 static const unsigned int buzz_keymap[] = {
320 	/*
321 	 * The controller has 4 remote buzzers, each with one LED and 5
322 	 * buttons.
323 	 *
324 	 * We use the mapping chosen by the controller, which is:
325 	 *
326 	 * Key          Offset
327 	 * -------------------
328 	 * Buzz              1
329 	 * Blue              5
330 	 * Orange            4
331 	 * Green             3
332 	 * Yellow            2
333 	 *
334 	 * So, for example, the orange button on the third buzzer is mapped to
335 	 * BTN_TRIGGER_HAPPY14
336 	 */
337 	 [1] = BTN_TRIGGER_HAPPY1,
338 	 [2] = BTN_TRIGGER_HAPPY2,
339 	 [3] = BTN_TRIGGER_HAPPY3,
340 	 [4] = BTN_TRIGGER_HAPPY4,
341 	 [5] = BTN_TRIGGER_HAPPY5,
342 	 [6] = BTN_TRIGGER_HAPPY6,
343 	 [7] = BTN_TRIGGER_HAPPY7,
344 	 [8] = BTN_TRIGGER_HAPPY8,
345 	 [9] = BTN_TRIGGER_HAPPY9,
346 	[10] = BTN_TRIGGER_HAPPY10,
347 	[11] = BTN_TRIGGER_HAPPY11,
348 	[12] = BTN_TRIGGER_HAPPY12,
349 	[13] = BTN_TRIGGER_HAPPY13,
350 	[14] = BTN_TRIGGER_HAPPY14,
351 	[15] = BTN_TRIGGER_HAPPY15,
352 	[16] = BTN_TRIGGER_HAPPY16,
353 	[17] = BTN_TRIGGER_HAPPY17,
354 	[18] = BTN_TRIGGER_HAPPY18,
355 	[19] = BTN_TRIGGER_HAPPY19,
356 	[20] = BTN_TRIGGER_HAPPY20,
357 };
358 
359 /* The Navigation controller is a partial DS3 and uses the same HID report
360  * and hence the same keymap indices, however not not all axes/buttons
361  * are physically present. We use the same axis and button mapping as
362  * the DS3, which uses the Linux gamepad spec.
363  */
364 static const unsigned int navigation_absmap[] = {
365 	[0x30] = ABS_X,
366 	[0x31] = ABS_Y,
367 	[0x33] = ABS_Z, /* L2 */
368 };
369 
370 /* Buttons not physically available on the device, but still available
371  * in the reports are explicitly set to 0 for documentation purposes.
372  */
373 static const unsigned int navigation_keymap[] = {
374 	[0x01] = 0, /* Select */
375 	[0x02] = BTN_THUMBL, /* L3 */
376 	[0x03] = 0, /* R3 */
377 	[0x04] = 0, /* Start */
378 	[0x05] = BTN_DPAD_UP, /* Up */
379 	[0x06] = BTN_DPAD_RIGHT, /* Right */
380 	[0x07] = BTN_DPAD_DOWN, /* Down */
381 	[0x08] = BTN_DPAD_LEFT, /* Left */
382 	[0x09] = BTN_TL2, /* L2 */
383 	[0x0a] = 0, /* R2 */
384 	[0x0b] = BTN_TL, /* L1 */
385 	[0x0c] = 0, /* R1 */
386 	[0x0d] = BTN_NORTH, /* Triangle */
387 	[0x0e] = BTN_EAST, /* Circle */
388 	[0x0f] = BTN_SOUTH, /* Cross */
389 	[0x10] = BTN_WEST, /* Square */
390 	[0x11] = BTN_MODE, /* PS */
391 };
392 
393 static const unsigned int sixaxis_absmap[] = {
394 	[0x30] = ABS_X,
395 	[0x31] = ABS_Y,
396 	[0x32] = ABS_RX, /* right stick X */
397 	[0x35] = ABS_RY, /* right stick Y */
398 };
399 
400 static const unsigned int sixaxis_keymap[] = {
401 	[0x01] = BTN_SELECT, /* Select */
402 	[0x02] = BTN_THUMBL, /* L3 */
403 	[0x03] = BTN_THUMBR, /* R3 */
404 	[0x04] = BTN_START, /* Start */
405 	[0x05] = BTN_DPAD_UP, /* Up */
406 	[0x06] = BTN_DPAD_RIGHT, /* Right */
407 	[0x07] = BTN_DPAD_DOWN, /* Down */
408 	[0x08] = BTN_DPAD_LEFT, /* Left */
409 	[0x09] = BTN_TL2, /* L2 */
410 	[0x0a] = BTN_TR2, /* R2 */
411 	[0x0b] = BTN_TL, /* L1 */
412 	[0x0c] = BTN_TR, /* R1 */
413 	[0x0d] = BTN_NORTH, /* Triangle */
414 	[0x0e] = BTN_EAST, /* Circle */
415 	[0x0f] = BTN_SOUTH, /* Cross */
416 	[0x10] = BTN_WEST, /* Square */
417 	[0x11] = BTN_MODE, /* PS */
418 };
419 
420 static const unsigned int ds4_absmap[] = {
421 	[0x30] = ABS_X,
422 	[0x31] = ABS_Y,
423 	[0x32] = ABS_RX, /* right stick X */
424 	[0x33] = ABS_Z, /* L2 */
425 	[0x34] = ABS_RZ, /* R2 */
426 	[0x35] = ABS_RY, /* right stick Y */
427 };
428 
429 static const unsigned int ds4_keymap[] = {
430 	[0x1] = BTN_WEST, /* Square */
431 	[0x2] = BTN_SOUTH, /* Cross */
432 	[0x3] = BTN_EAST, /* Circle */
433 	[0x4] = BTN_NORTH, /* Triangle */
434 	[0x5] = BTN_TL, /* L1 */
435 	[0x6] = BTN_TR, /* R1 */
436 	[0x7] = BTN_TL2, /* L2 */
437 	[0x8] = BTN_TR2, /* R2 */
438 	[0x9] = BTN_SELECT, /* Share */
439 	[0xa] = BTN_START, /* Options */
440 	[0xb] = BTN_THUMBL, /* L3 */
441 	[0xc] = BTN_THUMBR, /* R3 */
442 	[0xd] = BTN_MODE, /* PS */
443 };
444 
445 static const struct {int x; int y; } ds4_hat_mapping[] = {
446 	{0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1},
447 	{0, 0}
448 };
449 
450 static enum power_supply_property sony_battery_props[] = {
451 	POWER_SUPPLY_PROP_PRESENT,
452 	POWER_SUPPLY_PROP_CAPACITY,
453 	POWER_SUPPLY_PROP_SCOPE,
454 	POWER_SUPPLY_PROP_STATUS,
455 };
456 
457 struct sixaxis_led {
458 	u8 time_enabled; /* the total time the led is active (0xff means forever) */
459 	u8 duty_length;  /* how long a cycle is in deciseconds (0 means "really fast") */
460 	u8 enabled;
461 	u8 duty_off; /* % of duty_length the led is off (0xff means 100%) */
462 	u8 duty_on;  /* % of duty_length the led is on (0xff mean 100%) */
463 } __packed;
464 
465 struct sixaxis_rumble {
466 	u8 padding;
467 	u8 right_duration; /* Right motor duration (0xff means forever) */
468 	u8 right_motor_on; /* Right (small) motor on/off, only supports values of 0 or 1 (off/on) */
469 	u8 left_duration;    /* Left motor duration (0xff means forever) */
470 	u8 left_motor_force; /* left (large) motor, supports force values from 0 to 255 */
471 } __packed;
472 
473 struct sixaxis_output_report {
474 	u8 report_id;
475 	struct sixaxis_rumble rumble;
476 	u8 padding[4];
477 	u8 leds_bitmap; /* bitmap of enabled LEDs: LED_1 = 0x02, LED_2 = 0x04, ... */
478 	struct sixaxis_led led[4];    /* LEDx at (4 - x) */
479 	struct sixaxis_led _reserved; /* LED5, not actually soldered */
480 } __packed;
481 
482 union sixaxis_output_report_01 {
483 	struct sixaxis_output_report data;
484 	u8 buf[36];
485 };
486 
487 struct motion_output_report_02 {
488 	u8 type, zero;
489 	u8 r, g, b;
490 	u8 zero2;
491 	u8 rumble;
492 };
493 
494 #define DS4_FEATURE_REPORT_0x02_SIZE 37
495 #define DS4_FEATURE_REPORT_0x05_SIZE 41
496 #define DS4_FEATURE_REPORT_0x81_SIZE 7
497 #define DS4_FEATURE_REPORT_0xA3_SIZE 49
498 #define DS4_INPUT_REPORT_0x11_SIZE 78
499 #define DS4_OUTPUT_REPORT_0x05_SIZE 32
500 #define DS4_OUTPUT_REPORT_0x11_SIZE 78
501 #define SIXAXIS_REPORT_0xF2_SIZE 17
502 #define SIXAXIS_REPORT_0xF5_SIZE 8
503 #define MOTION_REPORT_0x02_SIZE 49
504 
505 /* Offsets relative to USB input report (0x1). Bluetooth (0x11) requires an
506  * additional +2.
507  */
508 #define DS4_INPUT_REPORT_AXIS_OFFSET      1
509 #define DS4_INPUT_REPORT_BUTTON_OFFSET    5
510 #define DS4_INPUT_REPORT_TIMESTAMP_OFFSET 10
511 #define DS4_INPUT_REPORT_GYRO_X_OFFSET   13
512 #define DS4_INPUT_REPORT_BATTERY_OFFSET  30
513 #define DS4_INPUT_REPORT_TOUCHPAD_OFFSET 33
514 
515 #define SENSOR_SUFFIX " Motion Sensors"
516 #define DS4_TOUCHPAD_SUFFIX " Touchpad"
517 
518 /* Default to 4ms poll interval, which is same as USB (not adjustable). */
519 #define DS4_BT_DEFAULT_POLL_INTERVAL_MS 4
520 #define DS4_BT_MAX_POLL_INTERVAL_MS 62
521 #define DS4_GYRO_RES_PER_DEG_S 1024
522 #define DS4_ACC_RES_PER_G      8192
523 
524 #define SIXAXIS_INPUT_REPORT_ACC_X_OFFSET 41
525 #define SIXAXIS_ACC_RES_PER_G 113
526 
527 static DEFINE_SPINLOCK(sony_dev_list_lock);
528 static LIST_HEAD(sony_device_list);
529 static DEFINE_IDA(sony_device_id_allocator);
530 
531 /* Used for calibration of DS4 accelerometer and gyro. */
532 struct ds4_calibration_data {
533 	int abs_code;
534 	short bias;
535 	/* Calibration requires scaling against a sensitivity value, which is a
536 	 * float. Store sensitivity as a fraction to limit floating point
537 	 * calculations until final calibration.
538 	 */
539 	int sens_numer;
540 	int sens_denom;
541 };
542 
543 enum ds4_dongle_state {
544 	DONGLE_DISCONNECTED,
545 	DONGLE_CALIBRATING,
546 	DONGLE_CONNECTED,
547 	DONGLE_DISABLED
548 };
549 
550 enum sony_worker {
551 	SONY_WORKER_STATE,
552 	SONY_WORKER_HOTPLUG
553 };
554 
555 struct sony_sc {
556 	spinlock_t lock;
557 	struct list_head list_node;
558 	struct hid_device *hdev;
559 	struct input_dev *touchpad;
560 	struct input_dev *sensor_dev;
561 	struct led_classdev *leds[MAX_LEDS];
562 	unsigned long quirks;
563 	struct work_struct hotplug_worker;
564 	struct work_struct state_worker;
565 	void (*send_output_report)(struct sony_sc *);
566 	struct power_supply *battery;
567 	struct power_supply_desc battery_desc;
568 	int device_id;
569 	unsigned fw_version;
570 	bool fw_version_created;
571 	unsigned hw_version;
572 	bool hw_version_created;
573 	u8 *output_report_dmabuf;
574 
575 #ifdef CONFIG_SONY_FF
576 	u8 left;
577 	u8 right;
578 #endif
579 
580 	u8 mac_address[6];
581 	u8 hotplug_worker_initialized;
582 	u8 state_worker_initialized;
583 	u8 defer_initialization;
584 	u8 battery_capacity;
585 	int battery_status;
586 	u8 led_state[MAX_LEDS];
587 	u8 led_delay_on[MAX_LEDS];
588 	u8 led_delay_off[MAX_LEDS];
589 	u8 led_count;
590 
591 	bool timestamp_initialized;
592 	u16 prev_timestamp;
593 	unsigned int timestamp_us;
594 
595 	u8 ds4_bt_poll_interval;
596 	enum ds4_dongle_state ds4_dongle_state;
597 	/* DS4 calibration data */
598 	struct ds4_calibration_data ds4_calib_data[6];
599 	/* GH Live */
600 	struct timer_list ghl_poke_timer;
601 	struct usb_ctrlrequest *ghl_cr;
602 	u8 *ghl_databuf;
603 };
604 
605 static void sony_set_leds(struct sony_sc *sc);
606 
607 static inline void sony_schedule_work(struct sony_sc *sc,
608 				      enum sony_worker which)
609 {
610 	unsigned long flags;
611 
612 	switch (which) {
613 	case SONY_WORKER_STATE:
614 		spin_lock_irqsave(&sc->lock, flags);
615 		if (!sc->defer_initialization && sc->state_worker_initialized)
616 			schedule_work(&sc->state_worker);
617 		spin_unlock_irqrestore(&sc->lock, flags);
618 		break;
619 	case SONY_WORKER_HOTPLUG:
620 		if (sc->hotplug_worker_initialized)
621 			schedule_work(&sc->hotplug_worker);
622 		break;
623 	}
624 }
625 
626 static void ghl_magic_poke_cb(struct urb *urb)
627 {
628 	if (urb) {
629 		/* Free sc->ghl_cr and sc->ghl_databuf allocated in
630 		 * ghl_magic_poke()
631 		 */
632 		kfree(urb->setup_packet);
633 		kfree(urb->transfer_buffer);
634 	}
635 }
636 
637 static void ghl_magic_poke(struct timer_list *t)
638 {
639 	struct sony_sc *sc = from_timer(sc, t, ghl_poke_timer);
640 
641 	int ret;
642 	unsigned int pipe;
643 	struct urb *urb;
644 	struct usb_device *usbdev = to_usb_device(sc->hdev->dev.parent->parent);
645 	const u16 poke_size =
646 		ARRAY_SIZE(ghl_ps3wiiu_magic_data);
647 
648 	pipe = usb_sndctrlpipe(usbdev, 0);
649 
650 	if (!sc->ghl_cr) {
651 		sc->ghl_cr = kzalloc(sizeof(*sc->ghl_cr), GFP_ATOMIC);
652 		if (!sc->ghl_cr)
653 			goto resched;
654 	}
655 
656 	if (!sc->ghl_databuf) {
657 		sc->ghl_databuf = kzalloc(poke_size, GFP_ATOMIC);
658 		if (!sc->ghl_databuf)
659 			goto resched;
660 	}
661 
662 	urb = usb_alloc_urb(0, GFP_ATOMIC);
663 	if (!urb)
664 		goto resched;
665 
666 	sc->ghl_cr->bRequestType =
667 		USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT;
668 	sc->ghl_cr->bRequest = USB_REQ_SET_CONFIGURATION;
669 	sc->ghl_cr->wValue = cpu_to_le16(ghl_ps3wiiu_magic_value);
670 	sc->ghl_cr->wIndex = 0;
671 	sc->ghl_cr->wLength = cpu_to_le16(poke_size);
672 	memcpy(sc->ghl_databuf, ghl_ps3wiiu_magic_data, poke_size);
673 
674 	usb_fill_control_urb(
675 		urb, usbdev, pipe,
676 		(unsigned char *) sc->ghl_cr, sc->ghl_databuf,
677 		poke_size, ghl_magic_poke_cb, NULL);
678 	ret = usb_submit_urb(urb, GFP_ATOMIC);
679 	if (ret < 0) {
680 		kfree(sc->ghl_databuf);
681 		kfree(sc->ghl_cr);
682 	}
683 	usb_free_urb(urb);
684 
685 resched:
686 	/* Reschedule for next time */
687 	mod_timer(&sc->ghl_poke_timer, jiffies + GHL_GUITAR_POKE_INTERVAL*HZ);
688 }
689 
690 static int guitar_mapping(struct hid_device *hdev, struct hid_input *hi,
691 			  struct hid_field *field, struct hid_usage *usage,
692 			  unsigned long **bit, int *max)
693 {
694 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
695 		unsigned int abs = usage->hid & HID_USAGE;
696 
697 		if (abs == GUITAR_TILT_USAGE) {
698 			hid_map_usage_clear(hi, usage, bit, max, EV_ABS, ABS_RY);
699 			return 1;
700 		}
701 	}
702 	return 0;
703 }
704 
705 static ssize_t ds4_show_poll_interval(struct device *dev,
706 				struct device_attribute
707 				*attr, char *buf)
708 {
709 	struct hid_device *hdev = to_hid_device(dev);
710 	struct sony_sc *sc = hid_get_drvdata(hdev);
711 
712 	return snprintf(buf, PAGE_SIZE, "%i\n", sc->ds4_bt_poll_interval);
713 }
714 
715 static ssize_t ds4_store_poll_interval(struct device *dev,
716 				struct device_attribute *attr,
717 				const char *buf, size_t count)
718 {
719 	struct hid_device *hdev = to_hid_device(dev);
720 	struct sony_sc *sc = hid_get_drvdata(hdev);
721 	unsigned long flags;
722 	u8 interval;
723 
724 	if (kstrtou8(buf, 0, &interval))
725 		return -EINVAL;
726 
727 	if (interval > DS4_BT_MAX_POLL_INTERVAL_MS)
728 		return -EINVAL;
729 
730 	spin_lock_irqsave(&sc->lock, flags);
731 	sc->ds4_bt_poll_interval = interval;
732 	spin_unlock_irqrestore(&sc->lock, flags);
733 
734 	sony_schedule_work(sc, SONY_WORKER_STATE);
735 
736 	return count;
737 }
738 
739 static DEVICE_ATTR(bt_poll_interval, 0644, ds4_show_poll_interval,
740 		ds4_store_poll_interval);
741 
742 static ssize_t sony_show_firmware_version(struct device *dev,
743 				struct device_attribute
744 				*attr, char *buf)
745 {
746 	struct hid_device *hdev = to_hid_device(dev);
747 	struct sony_sc *sc = hid_get_drvdata(hdev);
748 
749 	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->fw_version);
750 }
751 
752 static DEVICE_ATTR(firmware_version, 0444, sony_show_firmware_version, NULL);
753 
754 static ssize_t sony_show_hardware_version(struct device *dev,
755 				struct device_attribute
756 				*attr, char *buf)
757 {
758 	struct hid_device *hdev = to_hid_device(dev);
759 	struct sony_sc *sc = hid_get_drvdata(hdev);
760 
761 	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->hw_version);
762 }
763 
764 static DEVICE_ATTR(hardware_version, 0444, sony_show_hardware_version, NULL);
765 
766 static u8 *motion_fixup(struct hid_device *hdev, u8 *rdesc,
767 			     unsigned int *rsize)
768 {
769 	*rsize = sizeof(motion_rdesc);
770 	return motion_rdesc;
771 }
772 
773 static u8 *ps3remote_fixup(struct hid_device *hdev, u8 *rdesc,
774 			     unsigned int *rsize)
775 {
776 	*rsize = sizeof(ps3remote_rdesc);
777 	return ps3remote_rdesc;
778 }
779 
780 static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
781 			     struct hid_field *field, struct hid_usage *usage,
782 			     unsigned long **bit, int *max)
783 {
784 	unsigned int key = usage->hid & HID_USAGE;
785 
786 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
787 		return -1;
788 
789 	switch (usage->collection_index) {
790 	case 1:
791 		if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
792 			return -1;
793 
794 		key = ps3remote_keymap_joypad_buttons[key];
795 		if (!key)
796 			return -1;
797 		break;
798 	case 2:
799 		if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
800 			return -1;
801 
802 		key = ps3remote_keymap_remote_buttons[key];
803 		if (!key)
804 			return -1;
805 		break;
806 	default:
807 		return -1;
808 	}
809 
810 	hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
811 	return 1;
812 }
813 
814 static int navigation_mapping(struct hid_device *hdev, struct hid_input *hi,
815 			  struct hid_field *field, struct hid_usage *usage,
816 			  unsigned long **bit, int *max)
817 {
818 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
819 		unsigned int key = usage->hid & HID_USAGE;
820 
821 		if (key >= ARRAY_SIZE(sixaxis_keymap))
822 			return -1;
823 
824 		key = navigation_keymap[key];
825 		if (!key)
826 			return -1;
827 
828 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
829 		return 1;
830 	} else if (usage->hid == HID_GD_POINTER) {
831 		/* See comment in sixaxis_mapping, basically the L2 (and R2)
832 		 * triggers are reported through GD Pointer.
833 		 * In addition we ignore any analog button 'axes' and only
834 		 * support digital buttons.
835 		 */
836 		switch (usage->usage_index) {
837 		case 8: /* L2 */
838 			usage->hid = HID_GD_Z;
839 			break;
840 		default:
841 			return -1;
842 		}
843 
844 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
845 		return 1;
846 	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
847 		unsigned int abs = usage->hid & HID_USAGE;
848 
849 		if (abs >= ARRAY_SIZE(navigation_absmap))
850 			return -1;
851 
852 		abs = navigation_absmap[abs];
853 
854 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
855 		return 1;
856 	}
857 
858 	return -1;
859 }
860 
861 
862 static int sixaxis_mapping(struct hid_device *hdev, struct hid_input *hi,
863 			  struct hid_field *field, struct hid_usage *usage,
864 			  unsigned long **bit, int *max)
865 {
866 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
867 		unsigned int key = usage->hid & HID_USAGE;
868 
869 		if (key >= ARRAY_SIZE(sixaxis_keymap))
870 			return -1;
871 
872 		key = sixaxis_keymap[key];
873 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
874 		return 1;
875 	} else if (usage->hid == HID_GD_POINTER) {
876 		/* The DS3 provides analog values for most buttons and even
877 		 * for HAT axes through GD Pointer. L2 and R2 are reported
878 		 * among these as well instead of as GD Z / RZ. Remap L2
879 		 * and R2 and ignore other analog 'button axes' as there is
880 		 * no good way for reporting them.
881 		 */
882 		switch (usage->usage_index) {
883 		case 8: /* L2 */
884 			usage->hid = HID_GD_Z;
885 			break;
886 		case 9: /* R2 */
887 			usage->hid = HID_GD_RZ;
888 			break;
889 		default:
890 			return -1;
891 		}
892 
893 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
894 		return 1;
895 	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
896 		unsigned int abs = usage->hid & HID_USAGE;
897 
898 		if (abs >= ARRAY_SIZE(sixaxis_absmap))
899 			return -1;
900 
901 		abs = sixaxis_absmap[abs];
902 
903 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
904 		return 1;
905 	}
906 
907 	return -1;
908 }
909 
910 static int ds4_mapping(struct hid_device *hdev, struct hid_input *hi,
911 		       struct hid_field *field, struct hid_usage *usage,
912 		       unsigned long **bit, int *max)
913 {
914 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
915 		unsigned int key = usage->hid & HID_USAGE;
916 
917 		if (key >= ARRAY_SIZE(ds4_keymap))
918 			return -1;
919 
920 		key = ds4_keymap[key];
921 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
922 		return 1;
923 	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
924 		unsigned int abs = usage->hid & HID_USAGE;
925 
926 		/* Let the HID parser deal with the HAT. */
927 		if (usage->hid == HID_GD_HATSWITCH)
928 			return 0;
929 
930 		if (abs >= ARRAY_SIZE(ds4_absmap))
931 			return -1;
932 
933 		abs = ds4_absmap[abs];
934 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
935 		return 1;
936 	}
937 
938 	return 0;
939 }
940 
941 static u8 *sony_report_fixup(struct hid_device *hdev, u8 *rdesc,
942 		unsigned int *rsize)
943 {
944 	struct sony_sc *sc = hid_get_drvdata(hdev);
945 
946 	if (sc->quirks & (SINO_LITE_CONTROLLER | FUTUREMAX_DANCE_MAT))
947 		return rdesc;
948 
949 	/*
950 	 * Some Sony RF receivers wrongly declare the mouse pointer as a
951 	 * a constant non-data variable.
952 	 */
953 	if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
954 	    /* usage page: generic desktop controls */
955 	    /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
956 	    /* usage: mouse */
957 	    rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
958 	    /* input (usage page for x,y axes): constant, variable, relative */
959 	    rdesc[54] == 0x81 && rdesc[55] == 0x07) {
960 		hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
961 		/* input: data, variable, relative */
962 		rdesc[55] = 0x06;
963 	}
964 
965 	if (sc->quirks & MOTION_CONTROLLER)
966 		return motion_fixup(hdev, rdesc, rsize);
967 
968 	if (sc->quirks & PS3REMOTE)
969 		return ps3remote_fixup(hdev, rdesc, rsize);
970 
971 	/*
972 	 * Some knock-off USB dongles incorrectly report their button count
973 	 * as 13 instead of 16 causing three non-functional buttons.
974 	 */
975 	if ((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize >= 45 &&
976 		/* Report Count (13) */
977 		rdesc[23] == 0x95 && rdesc[24] == 0x0D &&
978 		/* Usage Maximum (13) */
979 		rdesc[37] == 0x29 && rdesc[38] == 0x0D &&
980 		/* Report Count (3) */
981 		rdesc[43] == 0x95 && rdesc[44] == 0x03) {
982 		hid_info(hdev, "Fixing up USB dongle report descriptor\n");
983 		rdesc[24] = 0x10;
984 		rdesc[38] = 0x10;
985 		rdesc[44] = 0x00;
986 	}
987 
988 	return rdesc;
989 }
990 
991 static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size)
992 {
993 	static const u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 };
994 	unsigned long flags;
995 	int offset;
996 	u8 battery_capacity;
997 	int battery_status;
998 
999 	/*
1000 	 * The sixaxis is charging if the battery value is 0xee
1001 	 * and it is fully charged if the value is 0xef.
1002 	 * It does not report the actual level while charging so it
1003 	 * is set to 100% while charging is in progress.
1004 	 */
1005 	offset = (sc->quirks & MOTION_CONTROLLER) ? 12 : 30;
1006 
1007 	if (rd[offset] >= 0xee) {
1008 		battery_capacity = 100;
1009 		battery_status = (rd[offset] & 0x01) ? POWER_SUPPLY_STATUS_FULL : POWER_SUPPLY_STATUS_CHARGING;
1010 	} else {
1011 		u8 index = rd[offset] <= 5 ? rd[offset] : 5;
1012 		battery_capacity = sixaxis_battery_capacity[index];
1013 		battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
1014 	}
1015 
1016 	spin_lock_irqsave(&sc->lock, flags);
1017 	sc->battery_capacity = battery_capacity;
1018 	sc->battery_status = battery_status;
1019 	spin_unlock_irqrestore(&sc->lock, flags);
1020 
1021 	if (sc->quirks & SIXAXIS_CONTROLLER) {
1022 		int val;
1023 
1024 		offset = SIXAXIS_INPUT_REPORT_ACC_X_OFFSET;
1025 		val = ((rd[offset+1] << 8) | rd[offset]) - 511;
1026 		input_report_abs(sc->sensor_dev, ABS_X, val);
1027 
1028 		/* Y and Z are swapped and inversed */
1029 		val = 511 - ((rd[offset+5] << 8) | rd[offset+4]);
1030 		input_report_abs(sc->sensor_dev, ABS_Y, val);
1031 
1032 		val = 511 - ((rd[offset+3] << 8) | rd[offset+2]);
1033 		input_report_abs(sc->sensor_dev, ABS_Z, val);
1034 
1035 		input_sync(sc->sensor_dev);
1036 	}
1037 }
1038 
1039 static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size)
1040 {
1041 	struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
1042 						struct hid_input, list);
1043 	struct input_dev *input_dev = hidinput->input;
1044 	unsigned long flags;
1045 	int n, m, offset, num_touch_data, max_touch_data;
1046 	u8 cable_state, battery_capacity;
1047 	int battery_status;
1048 	u16 timestamp;
1049 
1050 	/* When using Bluetooth the header is 2 bytes longer, so skip these. */
1051 	int data_offset = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 2 : 0;
1052 
1053 	/* Second bit of third button byte is for the touchpad button. */
1054 	offset = data_offset + DS4_INPUT_REPORT_BUTTON_OFFSET;
1055 	input_report_key(sc->touchpad, BTN_LEFT, rd[offset+2] & 0x2);
1056 
1057 	/*
1058 	 * The default behavior of the Dualshock 4 is to send reports using
1059 	 * report type 1 when running over Bluetooth. However, when feature
1060 	 * report 2 is requested during the controller initialization it starts
1061 	 * sending input reports in report 17. Since report 17 is undefined
1062 	 * in the default HID descriptor, the HID layer won't generate events.
1063 	 * While it is possible (and this was done before) to fixup the HID
1064 	 * descriptor to add this mapping, it was better to do this manually.
1065 	 * The reason is there were various pieces software both open and closed
1066 	 * source, relying on the descriptors to be the same across various
1067 	 * operating systems. If the descriptors wouldn't match some
1068 	 * applications e.g. games on Wine would not be able to function due
1069 	 * to different descriptors, which such applications are not parsing.
1070 	 */
1071 	if (rd[0] == 17) {
1072 		int value;
1073 
1074 		offset = data_offset + DS4_INPUT_REPORT_AXIS_OFFSET;
1075 		input_report_abs(input_dev, ABS_X, rd[offset]);
1076 		input_report_abs(input_dev, ABS_Y, rd[offset+1]);
1077 		input_report_abs(input_dev, ABS_RX, rd[offset+2]);
1078 		input_report_abs(input_dev, ABS_RY, rd[offset+3]);
1079 
1080 		value = rd[offset+4] & 0xf;
1081 		if (value > 7)
1082 			value = 8; /* Center 0, 0 */
1083 		input_report_abs(input_dev, ABS_HAT0X, ds4_hat_mapping[value].x);
1084 		input_report_abs(input_dev, ABS_HAT0Y, ds4_hat_mapping[value].y);
1085 
1086 		input_report_key(input_dev, BTN_WEST, rd[offset+4] & 0x10);
1087 		input_report_key(input_dev, BTN_SOUTH, rd[offset+4] & 0x20);
1088 		input_report_key(input_dev, BTN_EAST, rd[offset+4] & 0x40);
1089 		input_report_key(input_dev, BTN_NORTH, rd[offset+4] & 0x80);
1090 
1091 		input_report_key(input_dev, BTN_TL, rd[offset+5] & 0x1);
1092 		input_report_key(input_dev, BTN_TR, rd[offset+5] & 0x2);
1093 		input_report_key(input_dev, BTN_TL2, rd[offset+5] & 0x4);
1094 		input_report_key(input_dev, BTN_TR2, rd[offset+5] & 0x8);
1095 		input_report_key(input_dev, BTN_SELECT, rd[offset+5] & 0x10);
1096 		input_report_key(input_dev, BTN_START, rd[offset+5] & 0x20);
1097 		input_report_key(input_dev, BTN_THUMBL, rd[offset+5] & 0x40);
1098 		input_report_key(input_dev, BTN_THUMBR, rd[offset+5] & 0x80);
1099 
1100 		input_report_key(input_dev, BTN_MODE, rd[offset+6] & 0x1);
1101 
1102 		input_report_abs(input_dev, ABS_Z, rd[offset+7]);
1103 		input_report_abs(input_dev, ABS_RZ, rd[offset+8]);
1104 
1105 		input_sync(input_dev);
1106 	}
1107 
1108 	/* Convert timestamp (in 5.33us unit) to timestamp_us */
1109 	offset = data_offset + DS4_INPUT_REPORT_TIMESTAMP_OFFSET;
1110 	timestamp = get_unaligned_le16(&rd[offset]);
1111 	if (!sc->timestamp_initialized) {
1112 		sc->timestamp_us = ((unsigned int)timestamp * 16) / 3;
1113 		sc->timestamp_initialized = true;
1114 	} else {
1115 		u16 delta;
1116 
1117 		if (sc->prev_timestamp > timestamp)
1118 			delta = (U16_MAX - sc->prev_timestamp + timestamp + 1);
1119 		else
1120 			delta = timestamp - sc->prev_timestamp;
1121 		sc->timestamp_us += (delta * 16) / 3;
1122 	}
1123 	sc->prev_timestamp = timestamp;
1124 	input_event(sc->sensor_dev, EV_MSC, MSC_TIMESTAMP, sc->timestamp_us);
1125 
1126 	offset = data_offset + DS4_INPUT_REPORT_GYRO_X_OFFSET;
1127 	for (n = 0; n < 6; n++) {
1128 		/* Store data in int for more precision during mult_frac. */
1129 		int raw_data = (short)((rd[offset+1] << 8) | rd[offset]);
1130 		struct ds4_calibration_data *calib = &sc->ds4_calib_data[n];
1131 
1132 		/* High precision is needed during calibration, but the
1133 		 * calibrated values are within 32-bit.
1134 		 * Note: we swap numerator 'x' and 'numer' in mult_frac for
1135 		 *       precision reasons so we don't need 64-bit.
1136 		 */
1137 		int calib_data = mult_frac(calib->sens_numer,
1138 					   raw_data - calib->bias,
1139 					   calib->sens_denom);
1140 
1141 		input_report_abs(sc->sensor_dev, calib->abs_code, calib_data);
1142 		offset += 2;
1143 	}
1144 	input_sync(sc->sensor_dev);
1145 
1146 	/*
1147 	 * The lower 4 bits of byte 30 (or 32 for BT) contain the battery level
1148 	 * and the 5th bit contains the USB cable state.
1149 	 */
1150 	offset = data_offset + DS4_INPUT_REPORT_BATTERY_OFFSET;
1151 	cable_state = (rd[offset] >> 4) & 0x01;
1152 
1153 	/*
1154 	 * Interpretation of the battery_capacity data depends on the cable state.
1155 	 * When no cable is connected (bit4 is 0):
1156 	 * - 0:10: percentage in units of 10%.
1157 	 * When a cable is plugged in:
1158 	 * - 0-10: percentage in units of 10%.
1159 	 * - 11: battery is full
1160 	 * - 14: not charging due to Voltage or temperature error
1161 	 * - 15: charge error
1162 	 */
1163 	if (cable_state) {
1164 		u8 battery_data = rd[offset] & 0xf;
1165 
1166 		if (battery_data < 10) {
1167 			/* Take the mid-point for each battery capacity value,
1168 			 * because on the hardware side 0 = 0-9%, 1=10-19%, etc.
1169 			 * This matches official platform behavior, which does
1170 			 * the same.
1171 			 */
1172 			battery_capacity = battery_data * 10 + 5;
1173 			battery_status = POWER_SUPPLY_STATUS_CHARGING;
1174 		} else if (battery_data == 10) {
1175 			battery_capacity = 100;
1176 			battery_status = POWER_SUPPLY_STATUS_CHARGING;
1177 		} else if (battery_data == 11) {
1178 			battery_capacity = 100;
1179 			battery_status = POWER_SUPPLY_STATUS_FULL;
1180 		} else { /* 14, 15 and undefined values */
1181 			battery_capacity = 0;
1182 			battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
1183 		}
1184 	} else {
1185 		u8 battery_data = rd[offset] & 0xf;
1186 
1187 		if (battery_data < 10)
1188 			battery_capacity = battery_data * 10 + 5;
1189 		else /* 10 */
1190 			battery_capacity = 100;
1191 
1192 		battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
1193 	}
1194 
1195 	spin_lock_irqsave(&sc->lock, flags);
1196 	sc->battery_capacity = battery_capacity;
1197 	sc->battery_status = battery_status;
1198 	spin_unlock_irqrestore(&sc->lock, flags);
1199 
1200 	/*
1201 	 * The Dualshock 4 multi-touch trackpad data starts at offset 33 on USB
1202 	 * and 35 on Bluetooth.
1203 	 * The first byte indicates the number of touch data in the report.
1204 	 * Trackpad data starts 2 bytes later (e.g. 35 for USB).
1205 	 */
1206 	offset = data_offset + DS4_INPUT_REPORT_TOUCHPAD_OFFSET;
1207 	max_touch_data = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 4 : 3;
1208 	if (rd[offset] > 0 && rd[offset] <= max_touch_data)
1209 		num_touch_data = rd[offset];
1210 	else
1211 		num_touch_data = 1;
1212 	offset += 1;
1213 
1214 	for (m = 0; m < num_touch_data; m++) {
1215 		/* Skip past timestamp */
1216 		offset += 1;
1217 
1218 		/*
1219 		 * The first 7 bits of the first byte is a counter and bit 8 is
1220 		 * a touch indicator that is 0 when pressed and 1 when not
1221 		 * pressed.
1222 		 * The next 3 bytes are two 12 bit touch coordinates, X and Y.
1223 		 * The data for the second touch is in the same format and
1224 		 * immediately follows the data for the first.
1225 		 */
1226 		for (n = 0; n < 2; n++) {
1227 			u16 x, y;
1228 			bool active;
1229 
1230 			x = rd[offset+1] | ((rd[offset+2] & 0xF) << 8);
1231 			y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4);
1232 
1233 			active = !(rd[offset] >> 7);
1234 			input_mt_slot(sc->touchpad, n);
1235 			input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active);
1236 
1237 			if (active) {
1238 				input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
1239 				input_report_abs(sc->touchpad, ABS_MT_POSITION_Y, y);
1240 			}
1241 
1242 			offset += 4;
1243 		}
1244 		input_mt_sync_frame(sc->touchpad);
1245 		input_sync(sc->touchpad);
1246 	}
1247 }
1248 
1249 static void nsg_mrxu_parse_report(struct sony_sc *sc, u8 *rd, int size)
1250 {
1251 	int n, offset, relx, rely;
1252 	u8 active;
1253 
1254 	/*
1255 	 * The NSG-MRxU multi-touch trackpad data starts at offset 1 and
1256 	 *   the touch-related data starts at offset 2.
1257 	 * For the first byte, bit 0 is set when touchpad button is pressed.
1258 	 * Bit 2 is set when a touch is active and the drag (Fn) key is pressed.
1259 	 * This drag key is mapped to BTN_LEFT.  It is operational only when a
1260 	 *   touch point is active.
1261 	 * Bit 4 is set when only the first touch point is active.
1262 	 * Bit 6 is set when only the second touch point is active.
1263 	 * Bits 5 and 7 are set when both touch points are active.
1264 	 * The next 3 bytes are two 12 bit X/Y coordinates for the first touch.
1265 	 * The following byte, offset 5, has the touch width and length.
1266 	 *   Bits 0-4=X (width), bits 5-7=Y (length).
1267 	 * A signed relative X coordinate is at offset 6.
1268 	 * The bytes at offset 7-9 are the second touch X/Y coordinates.
1269 	 * Offset 10 has the second touch width and length.
1270 	 * Offset 11 has the relative Y coordinate.
1271 	 */
1272 	offset = 1;
1273 
1274 	input_report_key(sc->touchpad, BTN_LEFT, rd[offset] & 0x0F);
1275 	active = (rd[offset] >> 4);
1276 	relx = (s8) rd[offset+5];
1277 	rely = ((s8) rd[offset+10]) * -1;
1278 
1279 	offset++;
1280 
1281 	for (n = 0; n < 2; n++) {
1282 		u16 x, y;
1283 		u8 contactx, contacty;
1284 
1285 		x = rd[offset] | ((rd[offset+1] & 0x0F) << 8);
1286 		y = ((rd[offset+1] & 0xF0) >> 4) | (rd[offset+2] << 4);
1287 
1288 		input_mt_slot(sc->touchpad, n);
1289 		input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active & 0x03);
1290 
1291 		if (active & 0x03) {
1292 			contactx = rd[offset+3] & 0x0F;
1293 			contacty = rd[offset+3] >> 4;
1294 			input_report_abs(sc->touchpad, ABS_MT_TOUCH_MAJOR,
1295 				max(contactx, contacty));
1296 			input_report_abs(sc->touchpad, ABS_MT_TOUCH_MINOR,
1297 				min(contactx, contacty));
1298 			input_report_abs(sc->touchpad, ABS_MT_ORIENTATION,
1299 				(bool) (contactx > contacty));
1300 			input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
1301 			input_report_abs(sc->touchpad, ABS_MT_POSITION_Y,
1302 				NSG_MRXU_MAX_Y - y);
1303 			/*
1304 			 * The relative coordinates belong to the first touch
1305 			 * point, when present, or to the second touch point
1306 			 * when the first is not active.
1307 			 */
1308 			if ((n == 0) || ((n == 1) && (active & 0x01))) {
1309 				input_report_rel(sc->touchpad, REL_X, relx);
1310 				input_report_rel(sc->touchpad, REL_Y, rely);
1311 			}
1312 		}
1313 
1314 		offset += 5;
1315 		active >>= 2;
1316 	}
1317 
1318 	input_mt_sync_frame(sc->touchpad);
1319 
1320 	input_sync(sc->touchpad);
1321 }
1322 
1323 static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
1324 		u8 *rd, int size)
1325 {
1326 	struct sony_sc *sc = hid_get_drvdata(hdev);
1327 
1328 	/*
1329 	 * Sixaxis HID report has acclerometers/gyro with MSByte first, this
1330 	 * has to be BYTE_SWAPPED before passing up to joystick interface
1331 	 */
1332 	if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) {
1333 		/*
1334 		 * When connected via Bluetooth the Sixaxis occasionally sends
1335 		 * a report with the second byte 0xff and the rest zeroed.
1336 		 *
1337 		 * This report does not reflect the actual state of the
1338 		 * controller must be ignored to avoid generating false input
1339 		 * events.
1340 		 */
1341 		if (rd[1] == 0xff)
1342 			return -EINVAL;
1343 
1344 		swap(rd[41], rd[42]);
1345 		swap(rd[43], rd[44]);
1346 		swap(rd[45], rd[46]);
1347 		swap(rd[47], rd[48]);
1348 
1349 		sixaxis_parse_report(sc, rd, size);
1350 	} else if ((sc->quirks & MOTION_CONTROLLER_BT) && rd[0] == 0x01 && size == 49) {
1351 		sixaxis_parse_report(sc, rd, size);
1352 	} else if ((sc->quirks & NAVIGATION_CONTROLLER) && rd[0] == 0x01 &&
1353 			size == 49) {
1354 		sixaxis_parse_report(sc, rd, size);
1355 	} else if ((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && rd[0] == 0x01 &&
1356 			size == 64) {
1357 		dualshock4_parse_report(sc, rd, size);
1358 	} else if (((sc->quirks & DUALSHOCK4_CONTROLLER_BT) && rd[0] == 0x11 &&
1359 			size == 78)) {
1360 		/* CRC check */
1361 		u8 bthdr = 0xA1;
1362 		u32 crc;
1363 		u32 report_crc;
1364 
1365 		crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
1366 		crc = ~crc32_le(crc, rd, DS4_INPUT_REPORT_0x11_SIZE-4);
1367 		report_crc = get_unaligned_le32(&rd[DS4_INPUT_REPORT_0x11_SIZE-4]);
1368 		if (crc != report_crc) {
1369 			hid_dbg(sc->hdev, "DualShock 4 input report's CRC check failed, received crc 0x%0x != 0x%0x\n",
1370 				report_crc, crc);
1371 			return -EILSEQ;
1372 		}
1373 
1374 		dualshock4_parse_report(sc, rd, size);
1375 	} else if ((sc->quirks & DUALSHOCK4_DONGLE) && rd[0] == 0x01 &&
1376 			size == 64) {
1377 		unsigned long flags;
1378 		enum ds4_dongle_state dongle_state;
1379 
1380 		/*
1381 		 * In the case of a DS4 USB dongle, bit[2] of byte 31 indicates
1382 		 * if a DS4 is actually connected (indicated by '0').
1383 		 * For non-dongle, this bit is always 0 (connected).
1384 		 */
1385 		bool connected = (rd[31] & 0x04) ? false : true;
1386 
1387 		spin_lock_irqsave(&sc->lock, flags);
1388 		dongle_state = sc->ds4_dongle_state;
1389 		spin_unlock_irqrestore(&sc->lock, flags);
1390 
1391 		/*
1392 		 * The dongle always sends input reports even when no
1393 		 * DS4 is attached. When a DS4 is connected, we need to
1394 		 * obtain calibration data before we can use it.
1395 		 * The code below tracks dongle state and kicks of
1396 		 * calibration when needed and only allows us to process
1397 		 * input if a DS4 is actually connected.
1398 		 */
1399 		if (dongle_state == DONGLE_DISCONNECTED && connected) {
1400 			hid_info(sc->hdev, "DualShock 4 USB dongle: controller connected\n");
1401 			sony_set_leds(sc);
1402 
1403 			spin_lock_irqsave(&sc->lock, flags);
1404 			sc->ds4_dongle_state = DONGLE_CALIBRATING;
1405 			spin_unlock_irqrestore(&sc->lock, flags);
1406 
1407 			sony_schedule_work(sc, SONY_WORKER_HOTPLUG);
1408 
1409 			/* Don't process the report since we don't have
1410 			 * calibration data, but let hidraw have it anyway.
1411 			 */
1412 			return 0;
1413 		} else if ((dongle_state == DONGLE_CONNECTED ||
1414 			    dongle_state == DONGLE_DISABLED) && !connected) {
1415 			hid_info(sc->hdev, "DualShock 4 USB dongle: controller disconnected\n");
1416 
1417 			spin_lock_irqsave(&sc->lock, flags);
1418 			sc->ds4_dongle_state = DONGLE_DISCONNECTED;
1419 			spin_unlock_irqrestore(&sc->lock, flags);
1420 
1421 			/* Return 0, so hidraw can get the report. */
1422 			return 0;
1423 		} else if (dongle_state == DONGLE_CALIBRATING ||
1424 			   dongle_state == DONGLE_DISABLED ||
1425 			   dongle_state == DONGLE_DISCONNECTED) {
1426 			/* Return 0, so hidraw can get the report. */
1427 			return 0;
1428 		}
1429 
1430 		dualshock4_parse_report(sc, rd, size);
1431 
1432 	} else if ((sc->quirks & NSG_MRXU_REMOTE) && rd[0] == 0x02) {
1433 		nsg_mrxu_parse_report(sc, rd, size);
1434 		return 1;
1435 	}
1436 
1437 	if (sc->defer_initialization) {
1438 		sc->defer_initialization = 0;
1439 		sony_schedule_work(sc, SONY_WORKER_STATE);
1440 	}
1441 
1442 	return 0;
1443 }
1444 
1445 static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
1446 			struct hid_field *field, struct hid_usage *usage,
1447 			unsigned long **bit, int *max)
1448 {
1449 	struct sony_sc *sc = hid_get_drvdata(hdev);
1450 
1451 	if (sc->quirks & BUZZ_CONTROLLER) {
1452 		unsigned int key = usage->hid & HID_USAGE;
1453 
1454 		if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
1455 			return -1;
1456 
1457 		switch (usage->collection_index) {
1458 		case 1:
1459 			if (key >= ARRAY_SIZE(buzz_keymap))
1460 				return -1;
1461 
1462 			key = buzz_keymap[key];
1463 			if (!key)
1464 				return -1;
1465 			break;
1466 		default:
1467 			return -1;
1468 		}
1469 
1470 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
1471 		return 1;
1472 	}
1473 
1474 	if (sc->quirks & PS3REMOTE)
1475 		return ps3remote_mapping(hdev, hi, field, usage, bit, max);
1476 
1477 	if (sc->quirks & NAVIGATION_CONTROLLER)
1478 		return navigation_mapping(hdev, hi, field, usage, bit, max);
1479 
1480 	if (sc->quirks & SIXAXIS_CONTROLLER)
1481 		return sixaxis_mapping(hdev, hi, field, usage, bit, max);
1482 
1483 	if (sc->quirks & DUALSHOCK4_CONTROLLER)
1484 		return ds4_mapping(hdev, hi, field, usage, bit, max);
1485 
1486 	if (sc->quirks & GH_GUITAR_CONTROLLER)
1487 		return guitar_mapping(hdev, hi, field, usage, bit, max);
1488 
1489 	/* Let hid-core decide for the others */
1490 	return 0;
1491 }
1492 
1493 static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
1494 		int w, int h, int touch_major, int touch_minor, int orientation)
1495 {
1496 	size_t name_sz;
1497 	char *name;
1498 	int ret;
1499 
1500 	sc->touchpad = devm_input_allocate_device(&sc->hdev->dev);
1501 	if (!sc->touchpad)
1502 		return -ENOMEM;
1503 
1504 	input_set_drvdata(sc->touchpad, sc);
1505 	sc->touchpad->dev.parent = &sc->hdev->dev;
1506 	sc->touchpad->phys = sc->hdev->phys;
1507 	sc->touchpad->uniq = sc->hdev->uniq;
1508 	sc->touchpad->id.bustype = sc->hdev->bus;
1509 	sc->touchpad->id.vendor = sc->hdev->vendor;
1510 	sc->touchpad->id.product = sc->hdev->product;
1511 	sc->touchpad->id.version = sc->hdev->version;
1512 
1513 	/* Append a suffix to the controller name as there are various
1514 	 * DS4 compatible non-Sony devices with different names.
1515 	 */
1516 	name_sz = strlen(sc->hdev->name) + sizeof(DS4_TOUCHPAD_SUFFIX);
1517 	name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
1518 	if (!name)
1519 		return -ENOMEM;
1520 	snprintf(name, name_sz, "%s" DS4_TOUCHPAD_SUFFIX, sc->hdev->name);
1521 	sc->touchpad->name = name;
1522 
1523 	/* We map the button underneath the touchpad to BTN_LEFT. */
1524 	__set_bit(EV_KEY, sc->touchpad->evbit);
1525 	__set_bit(BTN_LEFT, sc->touchpad->keybit);
1526 	__set_bit(INPUT_PROP_BUTTONPAD, sc->touchpad->propbit);
1527 
1528 	input_set_abs_params(sc->touchpad, ABS_MT_POSITION_X, 0, w, 0, 0);
1529 	input_set_abs_params(sc->touchpad, ABS_MT_POSITION_Y, 0, h, 0, 0);
1530 
1531 	if (touch_major > 0) {
1532 		input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MAJOR,
1533 			0, touch_major, 0, 0);
1534 		if (touch_minor > 0)
1535 			input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MINOR,
1536 				0, touch_minor, 0, 0);
1537 		if (orientation > 0)
1538 			input_set_abs_params(sc->touchpad, ABS_MT_ORIENTATION,
1539 				0, orientation, 0, 0);
1540 	}
1541 
1542 	if (sc->quirks & NSG_MRXU_REMOTE) {
1543 		__set_bit(EV_REL, sc->touchpad->evbit);
1544 	}
1545 
1546 	ret = input_mt_init_slots(sc->touchpad, touch_count, INPUT_MT_POINTER);
1547 	if (ret < 0)
1548 		return ret;
1549 
1550 	ret = input_register_device(sc->touchpad);
1551 	if (ret < 0)
1552 		return ret;
1553 
1554 	return 0;
1555 }
1556 
1557 static int sony_register_sensors(struct sony_sc *sc)
1558 {
1559 	size_t name_sz;
1560 	char *name;
1561 	int ret;
1562 	int range;
1563 
1564 	sc->sensor_dev = devm_input_allocate_device(&sc->hdev->dev);
1565 	if (!sc->sensor_dev)
1566 		return -ENOMEM;
1567 
1568 	input_set_drvdata(sc->sensor_dev, sc);
1569 	sc->sensor_dev->dev.parent = &sc->hdev->dev;
1570 	sc->sensor_dev->phys = sc->hdev->phys;
1571 	sc->sensor_dev->uniq = sc->hdev->uniq;
1572 	sc->sensor_dev->id.bustype = sc->hdev->bus;
1573 	sc->sensor_dev->id.vendor = sc->hdev->vendor;
1574 	sc->sensor_dev->id.product = sc->hdev->product;
1575 	sc->sensor_dev->id.version = sc->hdev->version;
1576 
1577 	/* Append a suffix to the controller name as there are various
1578 	 * DS4 compatible non-Sony devices with different names.
1579 	 */
1580 	name_sz = strlen(sc->hdev->name) + sizeof(SENSOR_SUFFIX);
1581 	name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
1582 	if (!name)
1583 		return -ENOMEM;
1584 	snprintf(name, name_sz, "%s" SENSOR_SUFFIX, sc->hdev->name);
1585 	sc->sensor_dev->name = name;
1586 
1587 	if (sc->quirks & SIXAXIS_CONTROLLER) {
1588 		/* For the DS3 we only support the accelerometer, which works
1589 		 * quite well even without calibration. The device also has
1590 		 * a 1-axis gyro, but it is very difficult to manage from within
1591 		 * the driver even to get data, the sensor is inaccurate and
1592 		 * the behavior is very different between hardware revisions.
1593 		 */
1594 		input_set_abs_params(sc->sensor_dev, ABS_X, -512, 511, 4, 0);
1595 		input_set_abs_params(sc->sensor_dev, ABS_Y, -512, 511, 4, 0);
1596 		input_set_abs_params(sc->sensor_dev, ABS_Z, -512, 511, 4, 0);
1597 		input_abs_set_res(sc->sensor_dev, ABS_X, SIXAXIS_ACC_RES_PER_G);
1598 		input_abs_set_res(sc->sensor_dev, ABS_Y, SIXAXIS_ACC_RES_PER_G);
1599 		input_abs_set_res(sc->sensor_dev, ABS_Z, SIXAXIS_ACC_RES_PER_G);
1600 	} else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
1601 		range = DS4_ACC_RES_PER_G*4;
1602 		input_set_abs_params(sc->sensor_dev, ABS_X, -range, range, 16, 0);
1603 		input_set_abs_params(sc->sensor_dev, ABS_Y, -range, range, 16, 0);
1604 		input_set_abs_params(sc->sensor_dev, ABS_Z, -range, range, 16, 0);
1605 		input_abs_set_res(sc->sensor_dev, ABS_X, DS4_ACC_RES_PER_G);
1606 		input_abs_set_res(sc->sensor_dev, ABS_Y, DS4_ACC_RES_PER_G);
1607 		input_abs_set_res(sc->sensor_dev, ABS_Z, DS4_ACC_RES_PER_G);
1608 
1609 		range = DS4_GYRO_RES_PER_DEG_S*2048;
1610 		input_set_abs_params(sc->sensor_dev, ABS_RX, -range, range, 16, 0);
1611 		input_set_abs_params(sc->sensor_dev, ABS_RY, -range, range, 16, 0);
1612 		input_set_abs_params(sc->sensor_dev, ABS_RZ, -range, range, 16, 0);
1613 		input_abs_set_res(sc->sensor_dev, ABS_RX, DS4_GYRO_RES_PER_DEG_S);
1614 		input_abs_set_res(sc->sensor_dev, ABS_RY, DS4_GYRO_RES_PER_DEG_S);
1615 		input_abs_set_res(sc->sensor_dev, ABS_RZ, DS4_GYRO_RES_PER_DEG_S);
1616 
1617 		__set_bit(EV_MSC, sc->sensor_dev->evbit);
1618 		__set_bit(MSC_TIMESTAMP, sc->sensor_dev->mscbit);
1619 	}
1620 
1621 	__set_bit(INPUT_PROP_ACCELEROMETER, sc->sensor_dev->propbit);
1622 
1623 	ret = input_register_device(sc->sensor_dev);
1624 	if (ret < 0)
1625 		return ret;
1626 
1627 	return 0;
1628 }
1629 
1630 /*
1631  * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
1632  * to "operational".  Without this, the ps3 controller will not report any
1633  * events.
1634  */
1635 static int sixaxis_set_operational_usb(struct hid_device *hdev)
1636 {
1637 	struct sony_sc *sc = hid_get_drvdata(hdev);
1638 	const int buf_size =
1639 		max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE);
1640 	u8 *buf;
1641 	int ret;
1642 
1643 	buf = kmalloc(buf_size, GFP_KERNEL);
1644 	if (!buf)
1645 		return -ENOMEM;
1646 
1647 	ret = hid_hw_raw_request(hdev, 0xf2, buf, SIXAXIS_REPORT_0xF2_SIZE,
1648 				 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
1649 	if (ret < 0) {
1650 		hid_err(hdev, "can't set operational mode: step 1\n");
1651 		goto out;
1652 	}
1653 
1654 	/*
1655 	 * Some compatible controllers like the Speedlink Strike FX and
1656 	 * Gasia need another query plus an USB interrupt to get operational.
1657 	 */
1658 	ret = hid_hw_raw_request(hdev, 0xf5, buf, SIXAXIS_REPORT_0xF5_SIZE,
1659 				 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
1660 	if (ret < 0) {
1661 		hid_err(hdev, "can't set operational mode: step 2\n");
1662 		goto out;
1663 	}
1664 
1665 	/*
1666 	 * But the USB interrupt would cause SHANWAN controllers to
1667 	 * start rumbling non-stop, so skip step 3 for these controllers.
1668 	 */
1669 	if (sc->quirks & SHANWAN_GAMEPAD)
1670 		goto out;
1671 
1672 	ret = hid_hw_output_report(hdev, buf, 1);
1673 	if (ret < 0) {
1674 		hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
1675 		ret = 0;
1676 	}
1677 
1678 out:
1679 	kfree(buf);
1680 
1681 	return ret;
1682 }
1683 
1684 static int sixaxis_set_operational_bt(struct hid_device *hdev)
1685 {
1686 	static const u8 report[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
1687 	u8 *buf;
1688 	int ret;
1689 
1690 	buf = kmemdup(report, sizeof(report), GFP_KERNEL);
1691 	if (!buf)
1692 		return -ENOMEM;
1693 
1694 	ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(report),
1695 				  HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
1696 
1697 	kfree(buf);
1698 
1699 	return ret;
1700 }
1701 
1702 /*
1703  * Request DS4 calibration data for the motion sensors.
1704  * For Bluetooth this also affects the operating mode (see below).
1705  */
1706 static int dualshock4_get_calibration_data(struct sony_sc *sc)
1707 {
1708 	u8 *buf;
1709 	int ret;
1710 	short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus;
1711 	short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus;
1712 	short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus;
1713 	short gyro_speed_plus, gyro_speed_minus;
1714 	short acc_x_plus, acc_x_minus;
1715 	short acc_y_plus, acc_y_minus;
1716 	short acc_z_plus, acc_z_minus;
1717 	int speed_2x;
1718 	int range_2g;
1719 
1720 	/* For Bluetooth we use a different request, which supports CRC.
1721 	 * Note: in Bluetooth mode feature report 0x02 also changes the state
1722 	 * of the controller, so that it sends input reports of type 0x11.
1723 	 */
1724 	if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
1725 		int retries;
1726 
1727 		buf = kmalloc(DS4_FEATURE_REPORT_0x02_SIZE, GFP_KERNEL);
1728 		if (!buf)
1729 			return -ENOMEM;
1730 
1731 		/* We should normally receive the feature report data we asked
1732 		 * for, but hidraw applications such as Steam can issue feature
1733 		 * reports as well. In particular for Dongle reconnects, Steam
1734 		 * and this function are competing resulting in often receiving
1735 		 * data for a different HID report, so retry a few times.
1736 		 */
1737 		for (retries = 0; retries < 3; retries++) {
1738 			ret = hid_hw_raw_request(sc->hdev, 0x02, buf,
1739 						 DS4_FEATURE_REPORT_0x02_SIZE,
1740 						 HID_FEATURE_REPORT,
1741 						 HID_REQ_GET_REPORT);
1742 			if (ret < 0)
1743 				goto err_stop;
1744 
1745 			if (buf[0] != 0x02) {
1746 				if (retries < 2) {
1747 					hid_warn(sc->hdev, "Retrying DualShock 4 get calibration report (0x02) request\n");
1748 					continue;
1749 				} else {
1750 					ret = -EILSEQ;
1751 					goto err_stop;
1752 				}
1753 			} else {
1754 				break;
1755 			}
1756 		}
1757 	} else {
1758 		u8 bthdr = 0xA3;
1759 		u32 crc;
1760 		u32 report_crc;
1761 		int retries;
1762 
1763 		buf = kmalloc(DS4_FEATURE_REPORT_0x05_SIZE, GFP_KERNEL);
1764 		if (!buf)
1765 			return -ENOMEM;
1766 
1767 		for (retries = 0; retries < 3; retries++) {
1768 			ret = hid_hw_raw_request(sc->hdev, 0x05, buf,
1769 						 DS4_FEATURE_REPORT_0x05_SIZE,
1770 						 HID_FEATURE_REPORT,
1771 						 HID_REQ_GET_REPORT);
1772 			if (ret < 0)
1773 				goto err_stop;
1774 
1775 			/* CRC check */
1776 			crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
1777 			crc = ~crc32_le(crc, buf, DS4_FEATURE_REPORT_0x05_SIZE-4);
1778 			report_crc = get_unaligned_le32(&buf[DS4_FEATURE_REPORT_0x05_SIZE-4]);
1779 			if (crc != report_crc) {
1780 				hid_warn(sc->hdev, "DualShock 4 calibration report's CRC check failed, received crc 0x%0x != 0x%0x\n",
1781 					report_crc, crc);
1782 				if (retries < 2) {
1783 					hid_warn(sc->hdev, "Retrying DualShock 4 get calibration report request\n");
1784 					continue;
1785 				} else {
1786 					ret = -EILSEQ;
1787 					goto err_stop;
1788 				}
1789 			} else {
1790 				break;
1791 			}
1792 		}
1793 	}
1794 
1795 	gyro_pitch_bias  = get_unaligned_le16(&buf[1]);
1796 	gyro_yaw_bias    = get_unaligned_le16(&buf[3]);
1797 	gyro_roll_bias   = get_unaligned_le16(&buf[5]);
1798 	if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
1799 		gyro_pitch_plus  = get_unaligned_le16(&buf[7]);
1800 		gyro_pitch_minus = get_unaligned_le16(&buf[9]);
1801 		gyro_yaw_plus    = get_unaligned_le16(&buf[11]);
1802 		gyro_yaw_minus   = get_unaligned_le16(&buf[13]);
1803 		gyro_roll_plus   = get_unaligned_le16(&buf[15]);
1804 		gyro_roll_minus  = get_unaligned_le16(&buf[17]);
1805 	} else {
1806 		/* BT + Dongle */
1807 		gyro_pitch_plus  = get_unaligned_le16(&buf[7]);
1808 		gyro_yaw_plus    = get_unaligned_le16(&buf[9]);
1809 		gyro_roll_plus   = get_unaligned_le16(&buf[11]);
1810 		gyro_pitch_minus = get_unaligned_le16(&buf[13]);
1811 		gyro_yaw_minus   = get_unaligned_le16(&buf[15]);
1812 		gyro_roll_minus  = get_unaligned_le16(&buf[17]);
1813 	}
1814 	gyro_speed_plus  = get_unaligned_le16(&buf[19]);
1815 	gyro_speed_minus = get_unaligned_le16(&buf[21]);
1816 	acc_x_plus       = get_unaligned_le16(&buf[23]);
1817 	acc_x_minus      = get_unaligned_le16(&buf[25]);
1818 	acc_y_plus       = get_unaligned_le16(&buf[27]);
1819 	acc_y_minus      = get_unaligned_le16(&buf[29]);
1820 	acc_z_plus       = get_unaligned_le16(&buf[31]);
1821 	acc_z_minus      = get_unaligned_le16(&buf[33]);
1822 
1823 	/* Set gyroscope calibration and normalization parameters.
1824 	 * Data values will be normalized to 1/DS4_GYRO_RES_PER_DEG_S degree/s.
1825 	 */
1826 	speed_2x = (gyro_speed_plus + gyro_speed_minus);
1827 	sc->ds4_calib_data[0].abs_code = ABS_RX;
1828 	sc->ds4_calib_data[0].bias = gyro_pitch_bias;
1829 	sc->ds4_calib_data[0].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
1830 	sc->ds4_calib_data[0].sens_denom = gyro_pitch_plus - gyro_pitch_minus;
1831 
1832 	sc->ds4_calib_data[1].abs_code = ABS_RY;
1833 	sc->ds4_calib_data[1].bias = gyro_yaw_bias;
1834 	sc->ds4_calib_data[1].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
1835 	sc->ds4_calib_data[1].sens_denom = gyro_yaw_plus - gyro_yaw_minus;
1836 
1837 	sc->ds4_calib_data[2].abs_code = ABS_RZ;
1838 	sc->ds4_calib_data[2].bias = gyro_roll_bias;
1839 	sc->ds4_calib_data[2].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
1840 	sc->ds4_calib_data[2].sens_denom = gyro_roll_plus - gyro_roll_minus;
1841 
1842 	/* Set accelerometer calibration and normalization parameters.
1843 	 * Data values will be normalized to 1/DS4_ACC_RES_PER_G G.
1844 	 */
1845 	range_2g = acc_x_plus - acc_x_minus;
1846 	sc->ds4_calib_data[3].abs_code = ABS_X;
1847 	sc->ds4_calib_data[3].bias = acc_x_plus - range_2g / 2;
1848 	sc->ds4_calib_data[3].sens_numer = 2*DS4_ACC_RES_PER_G;
1849 	sc->ds4_calib_data[3].sens_denom = range_2g;
1850 
1851 	range_2g = acc_y_plus - acc_y_minus;
1852 	sc->ds4_calib_data[4].abs_code = ABS_Y;
1853 	sc->ds4_calib_data[4].bias = acc_y_plus - range_2g / 2;
1854 	sc->ds4_calib_data[4].sens_numer = 2*DS4_ACC_RES_PER_G;
1855 	sc->ds4_calib_data[4].sens_denom = range_2g;
1856 
1857 	range_2g = acc_z_plus - acc_z_minus;
1858 	sc->ds4_calib_data[5].abs_code = ABS_Z;
1859 	sc->ds4_calib_data[5].bias = acc_z_plus - range_2g / 2;
1860 	sc->ds4_calib_data[5].sens_numer = 2*DS4_ACC_RES_PER_G;
1861 	sc->ds4_calib_data[5].sens_denom = range_2g;
1862 
1863 err_stop:
1864 	kfree(buf);
1865 	return ret;
1866 }
1867 
1868 static void dualshock4_calibration_work(struct work_struct *work)
1869 {
1870 	struct sony_sc *sc = container_of(work, struct sony_sc, hotplug_worker);
1871 	unsigned long flags;
1872 	enum ds4_dongle_state dongle_state;
1873 	int ret;
1874 
1875 	ret = dualshock4_get_calibration_data(sc);
1876 	if (ret < 0) {
1877 		/* This call is very unlikely to fail for the dongle. When it
1878 		 * fails we are probably in a very bad state, so mark the
1879 		 * dongle as disabled. We will re-enable the dongle if a new
1880 		 * DS4 hotplug is detect from sony_raw_event as any issues
1881 		 * are likely resolved then (the dongle is quite stupid).
1882 		 */
1883 		hid_err(sc->hdev, "DualShock 4 USB dongle: calibration failed, disabling device\n");
1884 		dongle_state = DONGLE_DISABLED;
1885 	} else {
1886 		hid_info(sc->hdev, "DualShock 4 USB dongle: calibration completed\n");
1887 		dongle_state = DONGLE_CONNECTED;
1888 	}
1889 
1890 	spin_lock_irqsave(&sc->lock, flags);
1891 	sc->ds4_dongle_state = dongle_state;
1892 	spin_unlock_irqrestore(&sc->lock, flags);
1893 }
1894 
1895 static int dualshock4_get_version_info(struct sony_sc *sc)
1896 {
1897 	u8 *buf;
1898 	int ret;
1899 
1900 	buf = kmalloc(DS4_FEATURE_REPORT_0xA3_SIZE, GFP_KERNEL);
1901 	if (!buf)
1902 		return -ENOMEM;
1903 
1904 	ret = hid_hw_raw_request(sc->hdev, 0xA3, buf,
1905 				 DS4_FEATURE_REPORT_0xA3_SIZE,
1906 				 HID_FEATURE_REPORT,
1907 				 HID_REQ_GET_REPORT);
1908 	if (ret < 0) {
1909 		kfree(buf);
1910 		return ret;
1911 	}
1912 
1913 	sc->hw_version = get_unaligned_le16(&buf[35]);
1914 	sc->fw_version = get_unaligned_le16(&buf[41]);
1915 
1916 	kfree(buf);
1917 	return 0;
1918 }
1919 
1920 static void sixaxis_set_leds_from_id(struct sony_sc *sc)
1921 {
1922 	static const u8 sixaxis_leds[10][4] = {
1923 				{ 0x01, 0x00, 0x00, 0x00 },
1924 				{ 0x00, 0x01, 0x00, 0x00 },
1925 				{ 0x00, 0x00, 0x01, 0x00 },
1926 				{ 0x00, 0x00, 0x00, 0x01 },
1927 				{ 0x01, 0x00, 0x00, 0x01 },
1928 				{ 0x00, 0x01, 0x00, 0x01 },
1929 				{ 0x00, 0x00, 0x01, 0x01 },
1930 				{ 0x01, 0x00, 0x01, 0x01 },
1931 				{ 0x00, 0x01, 0x01, 0x01 },
1932 				{ 0x01, 0x01, 0x01, 0x01 }
1933 	};
1934 
1935 	int id = sc->device_id;
1936 
1937 	BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(sixaxis_leds[0]));
1938 
1939 	if (id < 0)
1940 		return;
1941 
1942 	id %= 10;
1943 	memcpy(sc->led_state, sixaxis_leds[id], sizeof(sixaxis_leds[id]));
1944 }
1945 
1946 static void dualshock4_set_leds_from_id(struct sony_sc *sc)
1947 {
1948 	/* The first 4 color/index entries match what the PS4 assigns */
1949 	static const u8 color_code[7][3] = {
1950 			/* Blue   */	{ 0x00, 0x00, 0x40 },
1951 			/* Red	  */	{ 0x40, 0x00, 0x00 },
1952 			/* Green  */	{ 0x00, 0x40, 0x00 },
1953 			/* Pink   */	{ 0x20, 0x00, 0x20 },
1954 			/* Orange */	{ 0x02, 0x01, 0x00 },
1955 			/* Teal   */	{ 0x00, 0x01, 0x01 },
1956 			/* White  */	{ 0x01, 0x01, 0x01 }
1957 	};
1958 
1959 	int id = sc->device_id;
1960 
1961 	BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(color_code[0]));
1962 
1963 	if (id < 0)
1964 		return;
1965 
1966 	id %= 7;
1967 	memcpy(sc->led_state, color_code[id], sizeof(color_code[id]));
1968 }
1969 
1970 static void buzz_set_leds(struct sony_sc *sc)
1971 {
1972 	struct hid_device *hdev = sc->hdev;
1973 	struct list_head *report_list =
1974 		&hdev->report_enum[HID_OUTPUT_REPORT].report_list;
1975 	struct hid_report *report = list_entry(report_list->next,
1976 		struct hid_report, list);
1977 	s32 *value = report->field[0]->value;
1978 
1979 	BUILD_BUG_ON(MAX_LEDS < 4);
1980 
1981 	value[0] = 0x00;
1982 	value[1] = sc->led_state[0] ? 0xff : 0x00;
1983 	value[2] = sc->led_state[1] ? 0xff : 0x00;
1984 	value[3] = sc->led_state[2] ? 0xff : 0x00;
1985 	value[4] = sc->led_state[3] ? 0xff : 0x00;
1986 	value[5] = 0x00;
1987 	value[6] = 0x00;
1988 	hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
1989 }
1990 
1991 static void sony_set_leds(struct sony_sc *sc)
1992 {
1993 	if (!(sc->quirks & BUZZ_CONTROLLER))
1994 		sony_schedule_work(sc, SONY_WORKER_STATE);
1995 	else
1996 		buzz_set_leds(sc);
1997 }
1998 
1999 static void sony_led_set_brightness(struct led_classdev *led,
2000 				    enum led_brightness value)
2001 {
2002 	struct device *dev = led->dev->parent;
2003 	struct hid_device *hdev = to_hid_device(dev);
2004 	struct sony_sc *drv_data;
2005 
2006 	int n;
2007 	int force_update;
2008 
2009 	drv_data = hid_get_drvdata(hdev);
2010 	if (!drv_data) {
2011 		hid_err(hdev, "No device data\n");
2012 		return;
2013 	}
2014 
2015 	/*
2016 	 * The Sixaxis on USB will override any LED settings sent to it
2017 	 * and keep flashing all of the LEDs until the PS button is pressed.
2018 	 * Updates, even if redundant, must be always be sent to the
2019 	 * controller to avoid having to toggle the state of an LED just to
2020 	 * stop the flashing later on.
2021 	 */
2022 	force_update = !!(drv_data->quirks & SIXAXIS_CONTROLLER_USB);
2023 
2024 	for (n = 0; n < drv_data->led_count; n++) {
2025 		if (led == drv_data->leds[n] && (force_update ||
2026 			(value != drv_data->led_state[n] ||
2027 			drv_data->led_delay_on[n] ||
2028 			drv_data->led_delay_off[n]))) {
2029 
2030 			drv_data->led_state[n] = value;
2031 
2032 			/* Setting the brightness stops the blinking */
2033 			drv_data->led_delay_on[n] = 0;
2034 			drv_data->led_delay_off[n] = 0;
2035 
2036 			sony_set_leds(drv_data);
2037 			break;
2038 		}
2039 	}
2040 }
2041 
2042 static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
2043 {
2044 	struct device *dev = led->dev->parent;
2045 	struct hid_device *hdev = to_hid_device(dev);
2046 	struct sony_sc *drv_data;
2047 
2048 	int n;
2049 
2050 	drv_data = hid_get_drvdata(hdev);
2051 	if (!drv_data) {
2052 		hid_err(hdev, "No device data\n");
2053 		return LED_OFF;
2054 	}
2055 
2056 	for (n = 0; n < drv_data->led_count; n++) {
2057 		if (led == drv_data->leds[n])
2058 			return drv_data->led_state[n];
2059 	}
2060 
2061 	return LED_OFF;
2062 }
2063 
2064 static int sony_led_blink_set(struct led_classdev *led, unsigned long *delay_on,
2065 				unsigned long *delay_off)
2066 {
2067 	struct device *dev = led->dev->parent;
2068 	struct hid_device *hdev = to_hid_device(dev);
2069 	struct sony_sc *drv_data = hid_get_drvdata(hdev);
2070 	int n;
2071 	u8 new_on, new_off;
2072 
2073 	if (!drv_data) {
2074 		hid_err(hdev, "No device data\n");
2075 		return -EINVAL;
2076 	}
2077 
2078 	/* Max delay is 255 deciseconds or 2550 milliseconds */
2079 	if (*delay_on > 2550)
2080 		*delay_on = 2550;
2081 	if (*delay_off > 2550)
2082 		*delay_off = 2550;
2083 
2084 	/* Blink at 1 Hz if both values are zero */
2085 	if (!*delay_on && !*delay_off)
2086 		*delay_on = *delay_off = 500;
2087 
2088 	new_on = *delay_on / 10;
2089 	new_off = *delay_off / 10;
2090 
2091 	for (n = 0; n < drv_data->led_count; n++) {
2092 		if (led == drv_data->leds[n])
2093 			break;
2094 	}
2095 
2096 	/* This LED is not registered on this device */
2097 	if (n >= drv_data->led_count)
2098 		return -EINVAL;
2099 
2100 	/* Don't schedule work if the values didn't change */
2101 	if (new_on != drv_data->led_delay_on[n] ||
2102 		new_off != drv_data->led_delay_off[n]) {
2103 		drv_data->led_delay_on[n] = new_on;
2104 		drv_data->led_delay_off[n] = new_off;
2105 		sony_schedule_work(drv_data, SONY_WORKER_STATE);
2106 	}
2107 
2108 	return 0;
2109 }
2110 
2111 static int sony_leds_init(struct sony_sc *sc)
2112 {
2113 	struct hid_device *hdev = sc->hdev;
2114 	int n, ret = 0;
2115 	int use_ds4_names;
2116 	struct led_classdev *led;
2117 	size_t name_sz;
2118 	char *name;
2119 	size_t name_len;
2120 	const char *name_fmt;
2121 	static const char * const ds4_name_str[] = { "red", "green", "blue",
2122 						  "global" };
2123 	u8 max_brightness[MAX_LEDS] = { [0 ... (MAX_LEDS - 1)] = 1 };
2124 	u8 use_hw_blink[MAX_LEDS] = { 0 };
2125 
2126 	BUG_ON(!(sc->quirks & SONY_LED_SUPPORT));
2127 
2128 	if (sc->quirks & BUZZ_CONTROLLER) {
2129 		sc->led_count = 4;
2130 		use_ds4_names = 0;
2131 		name_len = strlen("::buzz#");
2132 		name_fmt = "%s::buzz%d";
2133 		/* Validate expected report characteristics. */
2134 		if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7))
2135 			return -ENODEV;
2136 	} else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
2137 		dualshock4_set_leds_from_id(sc);
2138 		sc->led_state[3] = 1;
2139 		sc->led_count = 4;
2140 		memset(max_brightness, 255, 3);
2141 		use_hw_blink[3] = 1;
2142 		use_ds4_names = 1;
2143 		name_len = 0;
2144 		name_fmt = "%s:%s";
2145 	} else if (sc->quirks & MOTION_CONTROLLER) {
2146 		sc->led_count = 3;
2147 		memset(max_brightness, 255, 3);
2148 		use_ds4_names = 1;
2149 		name_len = 0;
2150 		name_fmt = "%s:%s";
2151 	} else if (sc->quirks & NAVIGATION_CONTROLLER) {
2152 		static const u8 navigation_leds[4] = {0x01, 0x00, 0x00, 0x00};
2153 
2154 		memcpy(sc->led_state, navigation_leds, sizeof(navigation_leds));
2155 		sc->led_count = 1;
2156 		memset(use_hw_blink, 1, 4);
2157 		use_ds4_names = 0;
2158 		name_len = strlen("::sony#");
2159 		name_fmt = "%s::sony%d";
2160 	} else {
2161 		sixaxis_set_leds_from_id(sc);
2162 		sc->led_count = 4;
2163 		memset(use_hw_blink, 1, 4);
2164 		use_ds4_names = 0;
2165 		name_len = strlen("::sony#");
2166 		name_fmt = "%s::sony%d";
2167 	}
2168 
2169 	/*
2170 	 * Clear LEDs as we have no way of reading their initial state. This is
2171 	 * only relevant if the driver is loaded after somebody actively set the
2172 	 * LEDs to on
2173 	 */
2174 	sony_set_leds(sc);
2175 
2176 	name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1;
2177 
2178 	for (n = 0; n < sc->led_count; n++) {
2179 
2180 		if (use_ds4_names)
2181 			name_sz = strlen(dev_name(&hdev->dev)) + strlen(ds4_name_str[n]) + 2;
2182 
2183 		led = devm_kzalloc(&hdev->dev, sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
2184 		if (!led) {
2185 			hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
2186 			return -ENOMEM;
2187 		}
2188 
2189 		name = (void *)(&led[1]);
2190 		if (use_ds4_names)
2191 			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev),
2192 			ds4_name_str[n]);
2193 		else
2194 			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), n + 1);
2195 		led->name = name;
2196 		led->brightness = sc->led_state[n];
2197 		led->max_brightness = max_brightness[n];
2198 		led->flags = LED_CORE_SUSPENDRESUME;
2199 		led->brightness_get = sony_led_get_brightness;
2200 		led->brightness_set = sony_led_set_brightness;
2201 
2202 		if (use_hw_blink[n])
2203 			led->blink_set = sony_led_blink_set;
2204 
2205 		sc->leds[n] = led;
2206 
2207 		ret = devm_led_classdev_register(&hdev->dev, led);
2208 		if (ret) {
2209 			hid_err(hdev, "Failed to register LED %d\n", n);
2210 			return ret;
2211 		}
2212 	}
2213 
2214 	return 0;
2215 }
2216 
2217 static void sixaxis_send_output_report(struct sony_sc *sc)
2218 {
2219 	static const union sixaxis_output_report_01 default_report = {
2220 		.buf = {
2221 			0x01,
2222 			0x01, 0xff, 0x00, 0xff, 0x00,
2223 			0x00, 0x00, 0x00, 0x00, 0x00,
2224 			0xff, 0x27, 0x10, 0x00, 0x32,
2225 			0xff, 0x27, 0x10, 0x00, 0x32,
2226 			0xff, 0x27, 0x10, 0x00, 0x32,
2227 			0xff, 0x27, 0x10, 0x00, 0x32,
2228 			0x00, 0x00, 0x00, 0x00, 0x00
2229 		}
2230 	};
2231 	struct sixaxis_output_report *report =
2232 		(struct sixaxis_output_report *)sc->output_report_dmabuf;
2233 	int n;
2234 
2235 	/* Initialize the report with default values */
2236 	memcpy(report, &default_report, sizeof(struct sixaxis_output_report));
2237 
2238 #ifdef CONFIG_SONY_FF
2239 	report->rumble.right_motor_on = sc->right ? 1 : 0;
2240 	report->rumble.left_motor_force = sc->left;
2241 #endif
2242 
2243 	report->leds_bitmap |= sc->led_state[0] << 1;
2244 	report->leds_bitmap |= sc->led_state[1] << 2;
2245 	report->leds_bitmap |= sc->led_state[2] << 3;
2246 	report->leds_bitmap |= sc->led_state[3] << 4;
2247 
2248 	/* Set flag for all leds off, required for 3rd party INTEC controller */
2249 	if ((report->leds_bitmap & 0x1E) == 0)
2250 		report->leds_bitmap |= 0x20;
2251 
2252 	/*
2253 	 * The LEDs in the report are indexed in reverse order to their
2254 	 * corresponding light on the controller.
2255 	 * Index 0 = LED 4, index 1 = LED 3, etc...
2256 	 *
2257 	 * In the case of both delay values being zero (blinking disabled) the
2258 	 * default report values should be used or the controller LED will be
2259 	 * always off.
2260 	 */
2261 	for (n = 0; n < 4; n++) {
2262 		if (sc->led_delay_on[n] || sc->led_delay_off[n]) {
2263 			report->led[3 - n].duty_off = sc->led_delay_off[n];
2264 			report->led[3 - n].duty_on = sc->led_delay_on[n];
2265 		}
2266 	}
2267 
2268 	/* SHANWAN controllers require output reports via intr channel */
2269 	if (sc->quirks & SHANWAN_GAMEPAD)
2270 		hid_hw_output_report(sc->hdev, (u8 *)report,
2271 				sizeof(struct sixaxis_output_report));
2272 	else
2273 		hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report,
2274 				sizeof(struct sixaxis_output_report),
2275 				HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
2276 }
2277 
2278 static void dualshock4_send_output_report(struct sony_sc *sc)
2279 {
2280 	struct hid_device *hdev = sc->hdev;
2281 	u8 *buf = sc->output_report_dmabuf;
2282 	int offset;
2283 
2284 	/*
2285 	 * NOTE: The lower 6 bits of buf[1] field of the Bluetooth report
2286 	 * control the interval at which Dualshock 4 reports data:
2287 	 * 0x00 - 1ms
2288 	 * 0x01 - 1ms
2289 	 * 0x02 - 2ms
2290 	 * 0x3E - 62ms
2291 	 * 0x3F - disabled
2292 	 */
2293 	if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
2294 		memset(buf, 0, DS4_OUTPUT_REPORT_0x05_SIZE);
2295 		buf[0] = 0x05;
2296 		buf[1] = 0x07; /* blink + LEDs + motor */
2297 		offset = 4;
2298 	} else {
2299 		memset(buf, 0, DS4_OUTPUT_REPORT_0x11_SIZE);
2300 		buf[0] = 0x11;
2301 		buf[1] = 0xC0 /* HID + CRC */ | sc->ds4_bt_poll_interval;
2302 		buf[3] = 0x07; /* blink + LEDs + motor */
2303 		offset = 6;
2304 	}
2305 
2306 #ifdef CONFIG_SONY_FF
2307 	buf[offset++] = sc->right;
2308 	buf[offset++] = sc->left;
2309 #else
2310 	offset += 2;
2311 #endif
2312 
2313 	/* LED 3 is the global control */
2314 	if (sc->led_state[3]) {
2315 		buf[offset++] = sc->led_state[0];
2316 		buf[offset++] = sc->led_state[1];
2317 		buf[offset++] = sc->led_state[2];
2318 	} else {
2319 		offset += 3;
2320 	}
2321 
2322 	/* If both delay values are zero the DualShock 4 disables blinking. */
2323 	buf[offset++] = sc->led_delay_on[3];
2324 	buf[offset++] = sc->led_delay_off[3];
2325 
2326 	if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE))
2327 		hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x05_SIZE);
2328 	else {
2329 		/* CRC generation */
2330 		u8 bthdr = 0xA2;
2331 		u32 crc;
2332 
2333 		crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
2334 		crc = ~crc32_le(crc, buf, DS4_OUTPUT_REPORT_0x11_SIZE-4);
2335 		put_unaligned_le32(crc, &buf[74]);
2336 		hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x11_SIZE);
2337 	}
2338 }
2339 
2340 static void motion_send_output_report(struct sony_sc *sc)
2341 {
2342 	struct hid_device *hdev = sc->hdev;
2343 	struct motion_output_report_02 *report =
2344 		(struct motion_output_report_02 *)sc->output_report_dmabuf;
2345 
2346 	memset(report, 0, MOTION_REPORT_0x02_SIZE);
2347 
2348 	report->type = 0x02; /* set leds */
2349 	report->r = sc->led_state[0];
2350 	report->g = sc->led_state[1];
2351 	report->b = sc->led_state[2];
2352 
2353 #ifdef CONFIG_SONY_FF
2354 	report->rumble = max(sc->right, sc->left);
2355 #endif
2356 
2357 	hid_hw_output_report(hdev, (u8 *)report, MOTION_REPORT_0x02_SIZE);
2358 }
2359 
2360 static inline void sony_send_output_report(struct sony_sc *sc)
2361 {
2362 	if (sc->send_output_report)
2363 		sc->send_output_report(sc);
2364 }
2365 
2366 static void sony_state_worker(struct work_struct *work)
2367 {
2368 	struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
2369 
2370 	sc->send_output_report(sc);
2371 }
2372 
2373 static int sony_allocate_output_report(struct sony_sc *sc)
2374 {
2375 	if ((sc->quirks & SIXAXIS_CONTROLLER) ||
2376 			(sc->quirks & NAVIGATION_CONTROLLER))
2377 		sc->output_report_dmabuf =
2378 			devm_kmalloc(&sc->hdev->dev,
2379 				sizeof(union sixaxis_output_report_01),
2380 				GFP_KERNEL);
2381 	else if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
2382 		sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
2383 						DS4_OUTPUT_REPORT_0x11_SIZE,
2384 						GFP_KERNEL);
2385 	else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE))
2386 		sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
2387 						DS4_OUTPUT_REPORT_0x05_SIZE,
2388 						GFP_KERNEL);
2389 	else if (sc->quirks & MOTION_CONTROLLER)
2390 		sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
2391 						MOTION_REPORT_0x02_SIZE,
2392 						GFP_KERNEL);
2393 	else
2394 		return 0;
2395 
2396 	if (!sc->output_report_dmabuf)
2397 		return -ENOMEM;
2398 
2399 	return 0;
2400 }
2401 
2402 #ifdef CONFIG_SONY_FF
2403 static int sony_play_effect(struct input_dev *dev, void *data,
2404 			    struct ff_effect *effect)
2405 {
2406 	struct hid_device *hid = input_get_drvdata(dev);
2407 	struct sony_sc *sc = hid_get_drvdata(hid);
2408 
2409 	if (effect->type != FF_RUMBLE)
2410 		return 0;
2411 
2412 	sc->left = effect->u.rumble.strong_magnitude / 256;
2413 	sc->right = effect->u.rumble.weak_magnitude / 256;
2414 
2415 	sony_schedule_work(sc, SONY_WORKER_STATE);
2416 	return 0;
2417 }
2418 
2419 static int sony_init_ff(struct sony_sc *sc)
2420 {
2421 	struct hid_input *hidinput;
2422 	struct input_dev *input_dev;
2423 
2424 	if (list_empty(&sc->hdev->inputs)) {
2425 		hid_err(sc->hdev, "no inputs found\n");
2426 		return -ENODEV;
2427 	}
2428 	hidinput = list_entry(sc->hdev->inputs.next, struct hid_input, list);
2429 	input_dev = hidinput->input;
2430 
2431 	input_set_capability(input_dev, EV_FF, FF_RUMBLE);
2432 	return input_ff_create_memless(input_dev, NULL, sony_play_effect);
2433 }
2434 
2435 #else
2436 static int sony_init_ff(struct sony_sc *sc)
2437 {
2438 	return 0;
2439 }
2440 
2441 #endif
2442 
2443 static int sony_battery_get_property(struct power_supply *psy,
2444 				     enum power_supply_property psp,
2445 				     union power_supply_propval *val)
2446 {
2447 	struct sony_sc *sc = power_supply_get_drvdata(psy);
2448 	unsigned long flags;
2449 	int ret = 0;
2450 	u8 battery_capacity;
2451 	int battery_status;
2452 
2453 	spin_lock_irqsave(&sc->lock, flags);
2454 	battery_capacity = sc->battery_capacity;
2455 	battery_status = sc->battery_status;
2456 	spin_unlock_irqrestore(&sc->lock, flags);
2457 
2458 	switch (psp) {
2459 	case POWER_SUPPLY_PROP_PRESENT:
2460 		val->intval = 1;
2461 		break;
2462 	case POWER_SUPPLY_PROP_SCOPE:
2463 		val->intval = POWER_SUPPLY_SCOPE_DEVICE;
2464 		break;
2465 	case POWER_SUPPLY_PROP_CAPACITY:
2466 		val->intval = battery_capacity;
2467 		break;
2468 	case POWER_SUPPLY_PROP_STATUS:
2469 		val->intval = battery_status;
2470 		break;
2471 	default:
2472 		ret = -EINVAL;
2473 		break;
2474 	}
2475 	return ret;
2476 }
2477 
2478 static int sony_battery_probe(struct sony_sc *sc, int append_dev_id)
2479 {
2480 	const char *battery_str_fmt = append_dev_id ?
2481 		"sony_controller_battery_%pMR_%i" :
2482 		"sony_controller_battery_%pMR";
2483 	struct power_supply_config psy_cfg = { .drv_data = sc, };
2484 	struct hid_device *hdev = sc->hdev;
2485 	int ret;
2486 
2487 	/*
2488 	 * Set the default battery level to 100% to avoid low battery warnings
2489 	 * if the battery is polled before the first device report is received.
2490 	 */
2491 	sc->battery_capacity = 100;
2492 
2493 	sc->battery_desc.properties = sony_battery_props;
2494 	sc->battery_desc.num_properties = ARRAY_SIZE(sony_battery_props);
2495 	sc->battery_desc.get_property = sony_battery_get_property;
2496 	sc->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
2497 	sc->battery_desc.use_for_apm = 0;
2498 	sc->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
2499 					  battery_str_fmt, sc->mac_address, sc->device_id);
2500 	if (!sc->battery_desc.name)
2501 		return -ENOMEM;
2502 
2503 	sc->battery = devm_power_supply_register(&hdev->dev, &sc->battery_desc,
2504 					    &psy_cfg);
2505 	if (IS_ERR(sc->battery)) {
2506 		ret = PTR_ERR(sc->battery);
2507 		hid_err(hdev, "Unable to register battery device\n");
2508 		return ret;
2509 	}
2510 
2511 	power_supply_powers(sc->battery, &hdev->dev);
2512 	return 0;
2513 }
2514 
2515 /*
2516  * If a controller is plugged in via USB while already connected via Bluetooth
2517  * it will show up as two devices. A global list of connected controllers and
2518  * their MAC addresses is maintained to ensure that a device is only connected
2519  * once.
2520  *
2521  * Some USB-only devices masquerade as Sixaxis controllers and all have the
2522  * same dummy Bluetooth address, so a comparison of the connection type is
2523  * required.  Devices are only rejected in the case where two devices have
2524  * matching Bluetooth addresses on different bus types.
2525  */
2526 static inline int sony_compare_connection_type(struct sony_sc *sc0,
2527 						struct sony_sc *sc1)
2528 {
2529 	const int sc0_not_bt = !(sc0->quirks & SONY_BT_DEVICE);
2530 	const int sc1_not_bt = !(sc1->quirks & SONY_BT_DEVICE);
2531 
2532 	return sc0_not_bt == sc1_not_bt;
2533 }
2534 
2535 static int sony_check_add_dev_list(struct sony_sc *sc)
2536 {
2537 	struct sony_sc *entry;
2538 	unsigned long flags;
2539 	int ret;
2540 
2541 	spin_lock_irqsave(&sony_dev_list_lock, flags);
2542 
2543 	list_for_each_entry(entry, &sony_device_list, list_node) {
2544 		ret = memcmp(sc->mac_address, entry->mac_address,
2545 				sizeof(sc->mac_address));
2546 		if (!ret) {
2547 			if (sony_compare_connection_type(sc, entry)) {
2548 				ret = 1;
2549 			} else {
2550 				ret = -EEXIST;
2551 				hid_info(sc->hdev,
2552 				"controller with MAC address %pMR already connected\n",
2553 				sc->mac_address);
2554 			}
2555 			goto unlock;
2556 		}
2557 	}
2558 
2559 	ret = 0;
2560 	list_add(&(sc->list_node), &sony_device_list);
2561 
2562 unlock:
2563 	spin_unlock_irqrestore(&sony_dev_list_lock, flags);
2564 	return ret;
2565 }
2566 
2567 static void sony_remove_dev_list(struct sony_sc *sc)
2568 {
2569 	unsigned long flags;
2570 
2571 	if (sc->list_node.next) {
2572 		spin_lock_irqsave(&sony_dev_list_lock, flags);
2573 		list_del(&(sc->list_node));
2574 		spin_unlock_irqrestore(&sony_dev_list_lock, flags);
2575 	}
2576 }
2577 
2578 static int sony_get_bt_devaddr(struct sony_sc *sc)
2579 {
2580 	int ret;
2581 
2582 	/* HIDP stores the device MAC address as a string in the uniq field. */
2583 	ret = strlen(sc->hdev->uniq);
2584 	if (ret != 17)
2585 		return -EINVAL;
2586 
2587 	ret = sscanf(sc->hdev->uniq,
2588 		"%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
2589 		&sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3],
2590 		&sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]);
2591 
2592 	if (ret != 6)
2593 		return -EINVAL;
2594 
2595 	return 0;
2596 }
2597 
2598 static int sony_check_add(struct sony_sc *sc)
2599 {
2600 	u8 *buf = NULL;
2601 	int n, ret;
2602 
2603 	if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) ||
2604 	    (sc->quirks & MOTION_CONTROLLER_BT) ||
2605 	    (sc->quirks & NAVIGATION_CONTROLLER_BT) ||
2606 	    (sc->quirks & SIXAXIS_CONTROLLER_BT)) {
2607 		/*
2608 		 * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC
2609 		 * address from the uniq string where HIDP stores it.
2610 		 * As uniq cannot be guaranteed to be a MAC address in all cases
2611 		 * a failure of this function should not prevent the connection.
2612 		 */
2613 		if (sony_get_bt_devaddr(sc) < 0) {
2614 			hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n");
2615 			return 0;
2616 		}
2617 	} else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
2618 		buf = kmalloc(DS4_FEATURE_REPORT_0x81_SIZE, GFP_KERNEL);
2619 		if (!buf)
2620 			return -ENOMEM;
2621 
2622 		/*
2623 		 * The MAC address of a DS4 controller connected via USB can be
2624 		 * retrieved with feature report 0x81. The address begins at
2625 		 * offset 1.
2626 		 */
2627 		ret = hid_hw_raw_request(sc->hdev, 0x81, buf,
2628 				DS4_FEATURE_REPORT_0x81_SIZE, HID_FEATURE_REPORT,
2629 				HID_REQ_GET_REPORT);
2630 
2631 		if (ret != DS4_FEATURE_REPORT_0x81_SIZE) {
2632 			hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n");
2633 			ret = ret < 0 ? ret : -EINVAL;
2634 			goto out_free;
2635 		}
2636 
2637 		memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
2638 
2639 		snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
2640 			 "%pMR", sc->mac_address);
2641 	} else if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
2642 			(sc->quirks & NAVIGATION_CONTROLLER_USB)) {
2643 		buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL);
2644 		if (!buf)
2645 			return -ENOMEM;
2646 
2647 		/*
2648 		 * The MAC address of a Sixaxis controller connected via USB can
2649 		 * be retrieved with feature report 0xf2. The address begins at
2650 		 * offset 4.
2651 		 */
2652 		ret = hid_hw_raw_request(sc->hdev, 0xf2, buf,
2653 				SIXAXIS_REPORT_0xF2_SIZE, HID_FEATURE_REPORT,
2654 				HID_REQ_GET_REPORT);
2655 
2656 		if (ret != SIXAXIS_REPORT_0xF2_SIZE) {
2657 			hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n");
2658 			ret = ret < 0 ? ret : -EINVAL;
2659 			goto out_free;
2660 		}
2661 
2662 		/*
2663 		 * The Sixaxis device MAC in the report is big-endian and must
2664 		 * be byte-swapped.
2665 		 */
2666 		for (n = 0; n < 6; n++)
2667 			sc->mac_address[5-n] = buf[4+n];
2668 
2669 		snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
2670 			 "%pMR", sc->mac_address);
2671 	} else {
2672 		return 0;
2673 	}
2674 
2675 	ret = sony_check_add_dev_list(sc);
2676 
2677 out_free:
2678 
2679 	kfree(buf);
2680 
2681 	return ret;
2682 }
2683 
2684 static int sony_set_device_id(struct sony_sc *sc)
2685 {
2686 	int ret;
2687 
2688 	/*
2689 	 * Only DualShock 4 or Sixaxis controllers get an id.
2690 	 * All others are set to -1.
2691 	 */
2692 	if ((sc->quirks & SIXAXIS_CONTROLLER) ||
2693 	    (sc->quirks & DUALSHOCK4_CONTROLLER)) {
2694 		ret = ida_simple_get(&sony_device_id_allocator, 0, 0,
2695 					GFP_KERNEL);
2696 		if (ret < 0) {
2697 			sc->device_id = -1;
2698 			return ret;
2699 		}
2700 		sc->device_id = ret;
2701 	} else {
2702 		sc->device_id = -1;
2703 	}
2704 
2705 	return 0;
2706 }
2707 
2708 static void sony_release_device_id(struct sony_sc *sc)
2709 {
2710 	if (sc->device_id >= 0) {
2711 		ida_simple_remove(&sony_device_id_allocator, sc->device_id);
2712 		sc->device_id = -1;
2713 	}
2714 }
2715 
2716 static inline void sony_init_output_report(struct sony_sc *sc,
2717 				void (*send_output_report)(struct sony_sc *))
2718 {
2719 	sc->send_output_report = send_output_report;
2720 
2721 	if (!sc->state_worker_initialized)
2722 		INIT_WORK(&sc->state_worker, sony_state_worker);
2723 
2724 	sc->state_worker_initialized = 1;
2725 }
2726 
2727 static inline void sony_cancel_work_sync(struct sony_sc *sc)
2728 {
2729 	unsigned long flags;
2730 
2731 	if (sc->hotplug_worker_initialized)
2732 		cancel_work_sync(&sc->hotplug_worker);
2733 	if (sc->state_worker_initialized) {
2734 		spin_lock_irqsave(&sc->lock, flags);
2735 		sc->state_worker_initialized = 0;
2736 		spin_unlock_irqrestore(&sc->lock, flags);
2737 		cancel_work_sync(&sc->state_worker);
2738 	}
2739 }
2740 
2741 static int sony_input_configured(struct hid_device *hdev,
2742 					struct hid_input *hidinput)
2743 {
2744 	struct sony_sc *sc = hid_get_drvdata(hdev);
2745 	int append_dev_id;
2746 	int ret;
2747 
2748 	ret = sony_set_device_id(sc);
2749 	if (ret < 0) {
2750 		hid_err(hdev, "failed to allocate the device id\n");
2751 		goto err_stop;
2752 	}
2753 
2754 	ret = append_dev_id = sony_check_add(sc);
2755 	if (ret < 0)
2756 		goto err_stop;
2757 
2758 	ret = sony_allocate_output_report(sc);
2759 	if (ret < 0) {
2760 		hid_err(hdev, "failed to allocate the output report buffer\n");
2761 		goto err_stop;
2762 	}
2763 
2764 	if (sc->quirks & NAVIGATION_CONTROLLER_USB) {
2765 		/*
2766 		 * The Sony Sixaxis does not handle HID Output Reports on the
2767 		 * Interrupt EP like it could, so we need to force HID Output
2768 		 * Reports to use HID_REQ_SET_REPORT on the Control EP.
2769 		 *
2770 		 * There is also another issue about HID Output Reports via USB,
2771 		 * the Sixaxis does not want the report_id as part of the data
2772 		 * packet, so we have to discard buf[0] when sending the actual
2773 		 * control message, even for numbered reports, humpf!
2774 		 *
2775 		 * Additionally, the Sixaxis on USB isn't properly initialized
2776 		 * until the PS logo button is pressed and as such won't retain
2777 		 * any state set by an output report, so the initial
2778 		 * configuration report is deferred until the first input
2779 		 * report arrives.
2780 		 */
2781 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2782 		hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
2783 		sc->defer_initialization = 1;
2784 
2785 		ret = sixaxis_set_operational_usb(hdev);
2786 		if (ret < 0) {
2787 			hid_err(hdev, "Failed to set controller into operational mode\n");
2788 			goto err_stop;
2789 		}
2790 
2791 		sony_init_output_report(sc, sixaxis_send_output_report);
2792 	} else if (sc->quirks & NAVIGATION_CONTROLLER_BT) {
2793 		/*
2794 		 * The Navigation controller wants output reports sent on the ctrl
2795 		 * endpoint when connected via Bluetooth.
2796 		 */
2797 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2798 
2799 		ret = sixaxis_set_operational_bt(hdev);
2800 		if (ret < 0) {
2801 			hid_err(hdev, "Failed to set controller into operational mode\n");
2802 			goto err_stop;
2803 		}
2804 
2805 		sony_init_output_report(sc, sixaxis_send_output_report);
2806 	} else if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
2807 		/*
2808 		 * The Sony Sixaxis does not handle HID Output Reports on the
2809 		 * Interrupt EP and the device only becomes active when the
2810 		 * PS button is pressed. See comment for Navigation controller
2811 		 * above for more details.
2812 		 */
2813 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2814 		hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
2815 		sc->defer_initialization = 1;
2816 
2817 		ret = sixaxis_set_operational_usb(hdev);
2818 		if (ret < 0) {
2819 			hid_err(hdev, "Failed to set controller into operational mode\n");
2820 			goto err_stop;
2821 		}
2822 
2823 		ret = sony_register_sensors(sc);
2824 		if (ret) {
2825 			hid_err(sc->hdev,
2826 			"Unable to initialize motion sensors: %d\n", ret);
2827 			goto err_stop;
2828 		}
2829 
2830 		sony_init_output_report(sc, sixaxis_send_output_report);
2831 	} else if (sc->quirks & SIXAXIS_CONTROLLER_BT) {
2832 		/*
2833 		 * The Sixaxis wants output reports sent on the ctrl endpoint
2834 		 * when connected via Bluetooth.
2835 		 */
2836 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2837 
2838 		ret = sixaxis_set_operational_bt(hdev);
2839 		if (ret < 0) {
2840 			hid_err(hdev, "Failed to set controller into operational mode\n");
2841 			goto err_stop;
2842 		}
2843 
2844 		ret = sony_register_sensors(sc);
2845 		if (ret) {
2846 			hid_err(sc->hdev,
2847 			"Unable to initialize motion sensors: %d\n", ret);
2848 			goto err_stop;
2849 		}
2850 
2851 		sony_init_output_report(sc, sixaxis_send_output_report);
2852 	} else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
2853 		ret = dualshock4_get_calibration_data(sc);
2854 		if (ret < 0) {
2855 			hid_err(hdev, "Failed to get calibration data from Dualshock 4\n");
2856 			goto err_stop;
2857 		}
2858 
2859 		ret = dualshock4_get_version_info(sc);
2860 		if (ret < 0) {
2861 			hid_err(sc->hdev, "Failed to get version data from Dualshock 4\n");
2862 			goto err_stop;
2863 		}
2864 
2865 		ret = device_create_file(&sc->hdev->dev, &dev_attr_firmware_version);
2866 		if (ret) {
2867 			hid_err(sc->hdev, "can't create sysfs firmware_version attribute err: %d\n", ret);
2868 			goto err_stop;
2869 		}
2870 		sc->fw_version_created = true;
2871 
2872 		ret = device_create_file(&sc->hdev->dev, &dev_attr_hardware_version);
2873 		if (ret) {
2874 			hid_err(sc->hdev, "can't create sysfs hardware_version attribute err: %d\n", ret);
2875 			goto err_stop;
2876 		}
2877 		sc->hw_version_created = true;
2878 
2879 		/*
2880 		 * The Dualshock 4 touchpad supports 2 touches and has a
2881 		 * resolution of 1920x942 (44.86 dots/mm).
2882 		 */
2883 		ret = sony_register_touchpad(sc, 2, 1920, 942, 0, 0, 0);
2884 		if (ret) {
2885 			hid_err(sc->hdev,
2886 			"Unable to initialize multi-touch slots: %d\n",
2887 			ret);
2888 			goto err_stop;
2889 		}
2890 
2891 		ret = sony_register_sensors(sc);
2892 		if (ret) {
2893 			hid_err(sc->hdev,
2894 			"Unable to initialize motion sensors: %d\n", ret);
2895 			goto err_stop;
2896 		}
2897 
2898 		if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) {
2899 			sc->ds4_bt_poll_interval = DS4_BT_DEFAULT_POLL_INTERVAL_MS;
2900 			ret = device_create_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
2901 			if (ret)
2902 				hid_warn(sc->hdev,
2903 				 "can't create sysfs bt_poll_interval attribute err: %d\n",
2904 				 ret);
2905 		}
2906 
2907 		if (sc->quirks & DUALSHOCK4_DONGLE) {
2908 			INIT_WORK(&sc->hotplug_worker, dualshock4_calibration_work);
2909 			sc->hotplug_worker_initialized = 1;
2910 			sc->ds4_dongle_state = DONGLE_DISCONNECTED;
2911 		}
2912 
2913 		sony_init_output_report(sc, dualshock4_send_output_report);
2914 	} else if (sc->quirks & NSG_MRXU_REMOTE) {
2915 		/*
2916 		 * The NSG-MRxU touchpad supports 2 touches and has a
2917 		 * resolution of 1667x1868
2918 		 */
2919 		ret = sony_register_touchpad(sc, 2,
2920 			NSG_MRXU_MAX_X, NSG_MRXU_MAX_Y, 15, 15, 1);
2921 		if (ret) {
2922 			hid_err(sc->hdev,
2923 			"Unable to initialize multi-touch slots: %d\n",
2924 			ret);
2925 			goto err_stop;
2926 		}
2927 
2928 	} else if (sc->quirks & MOTION_CONTROLLER) {
2929 		sony_init_output_report(sc, motion_send_output_report);
2930 	} else {
2931 		ret = 0;
2932 	}
2933 
2934 	if (sc->quirks & SONY_LED_SUPPORT) {
2935 		ret = sony_leds_init(sc);
2936 		if (ret < 0)
2937 			goto err_stop;
2938 	}
2939 
2940 	if (sc->quirks & SONY_BATTERY_SUPPORT) {
2941 		ret = sony_battery_probe(sc, append_dev_id);
2942 		if (ret < 0)
2943 			goto err_stop;
2944 
2945 		/* Open the device to receive reports with battery info */
2946 		ret = hid_hw_open(hdev);
2947 		if (ret < 0) {
2948 			hid_err(hdev, "hw open failed\n");
2949 			goto err_stop;
2950 		}
2951 	}
2952 
2953 	if (sc->quirks & SONY_FF_SUPPORT) {
2954 		ret = sony_init_ff(sc);
2955 		if (ret < 0)
2956 			goto err_close;
2957 	}
2958 
2959 	return 0;
2960 err_close:
2961 	hid_hw_close(hdev);
2962 err_stop:
2963 	/* Piggy back on the default ds4_bt_ poll_interval to determine
2964 	 * if we need to remove the file as we don't know for sure if we
2965 	 * executed that logic.
2966 	 */
2967 	if (sc->ds4_bt_poll_interval)
2968 		device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
2969 	if (sc->fw_version_created)
2970 		device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version);
2971 	if (sc->hw_version_created)
2972 		device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version);
2973 	sony_cancel_work_sync(sc);
2974 	sony_remove_dev_list(sc);
2975 	sony_release_device_id(sc);
2976 	return ret;
2977 }
2978 
2979 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
2980 {
2981 	int ret;
2982 	unsigned long quirks = id->driver_data;
2983 	struct sony_sc *sc;
2984 	unsigned int connect_mask = HID_CONNECT_DEFAULT;
2985 
2986 	if (!strcmp(hdev->name, "FutureMax Dance Mat"))
2987 		quirks |= FUTUREMAX_DANCE_MAT;
2988 
2989 	if (!strcmp(hdev->name, "SHANWAN PS3 GamePad"))
2990 		quirks |= SHANWAN_GAMEPAD;
2991 
2992 	sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
2993 	if (sc == NULL) {
2994 		hid_err(hdev, "can't alloc sony descriptor\n");
2995 		return -ENOMEM;
2996 	}
2997 
2998 	spin_lock_init(&sc->lock);
2999 
3000 	sc->quirks = quirks;
3001 	hid_set_drvdata(hdev, sc);
3002 	sc->hdev = hdev;
3003 
3004 	ret = hid_parse(hdev);
3005 	if (ret) {
3006 		hid_err(hdev, "parse failed\n");
3007 		return ret;
3008 	}
3009 
3010 	if (sc->quirks & VAIO_RDESC_CONSTANT)
3011 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
3012 	else if (sc->quirks & SIXAXIS_CONTROLLER)
3013 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
3014 
3015 	/* Patch the hw version on DS3/4 compatible devices, so applications can
3016 	 * distinguish between the default HID mappings and the mappings defined
3017 	 * by the Linux game controller spec. This is important for the SDL2
3018 	 * library, which has a game controller database, which uses device ids
3019 	 * in combination with version as a key.
3020 	 */
3021 	if (sc->quirks & (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER))
3022 		hdev->version |= 0x8000;
3023 
3024 	ret = hid_hw_start(hdev, connect_mask);
3025 	if (ret) {
3026 		hid_err(hdev, "hw start failed\n");
3027 		return ret;
3028 	}
3029 
3030 	/* sony_input_configured can fail, but this doesn't result
3031 	 * in hid_hw_start failures (intended). Check whether
3032 	 * the HID layer claimed the device else fail.
3033 	 * We don't know the actual reason for the failure, most
3034 	 * likely it is due to EEXIST in case of double connection
3035 	 * of USB and Bluetooth, but could have been due to ENOMEM
3036 	 * or other reasons as well.
3037 	 */
3038 	if (!(hdev->claimed & HID_CLAIMED_INPUT)) {
3039 		hid_err(hdev, "failed to claim input\n");
3040 		hid_hw_stop(hdev);
3041 		return -ENODEV;
3042 	}
3043 
3044 	if (sc->quirks & GHL_GUITAR_PS3WIIU) {
3045 		timer_setup(&sc->ghl_poke_timer, ghl_magic_poke, 0);
3046 		mod_timer(&sc->ghl_poke_timer,
3047 			  jiffies + GHL_GUITAR_POKE_INTERVAL*HZ);
3048 	}
3049 
3050 	return ret;
3051 }
3052 
3053 static void sony_remove(struct hid_device *hdev)
3054 {
3055 	struct sony_sc *sc = hid_get_drvdata(hdev);
3056 
3057 	if (sc->quirks & GHL_GUITAR_PS3WIIU)
3058 		del_timer_sync(&sc->ghl_poke_timer);
3059 
3060 	hid_hw_close(hdev);
3061 
3062 	if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
3063 		device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
3064 
3065 	if (sc->fw_version_created)
3066 		device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version);
3067 
3068 	if (sc->hw_version_created)
3069 		device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version);
3070 
3071 	sony_cancel_work_sync(sc);
3072 
3073 	sony_remove_dev_list(sc);
3074 
3075 	sony_release_device_id(sc);
3076 
3077 	hid_hw_stop(hdev);
3078 }
3079 
3080 #ifdef CONFIG_PM
3081 
3082 static int sony_suspend(struct hid_device *hdev, pm_message_t message)
3083 {
3084 #ifdef CONFIG_SONY_FF
3085 
3086 	/* On suspend stop any running force-feedback events */
3087 	if (SONY_FF_SUPPORT) {
3088 		struct sony_sc *sc = hid_get_drvdata(hdev);
3089 
3090 		sc->left = sc->right = 0;
3091 		sony_send_output_report(sc);
3092 	}
3093 
3094 #endif
3095 	return 0;
3096 }
3097 
3098 static int sony_resume(struct hid_device *hdev)
3099 {
3100 	struct sony_sc *sc = hid_get_drvdata(hdev);
3101 
3102 	/*
3103 	 * The Sixaxis and navigation controllers on USB need to be
3104 	 * reinitialized on resume or they won't behave properly.
3105 	 */
3106 	if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
3107 		(sc->quirks & NAVIGATION_CONTROLLER_USB)) {
3108 		sixaxis_set_operational_usb(sc->hdev);
3109 		sc->defer_initialization = 1;
3110 	}
3111 
3112 	return 0;
3113 }
3114 
3115 #endif
3116 
3117 static const struct hid_device_id sony_devices[] = {
3118 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
3119 		.driver_data = SIXAXIS_CONTROLLER_USB },
3120 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
3121 		.driver_data = NAVIGATION_CONTROLLER_USB },
3122 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
3123 		.driver_data = NAVIGATION_CONTROLLER_BT },
3124 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
3125 		.driver_data = MOTION_CONTROLLER_USB },
3126 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
3127 		.driver_data = MOTION_CONTROLLER_BT },
3128 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
3129 		.driver_data = SIXAXIS_CONTROLLER_BT },
3130 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
3131 		.driver_data = VAIO_RDESC_CONSTANT },
3132 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
3133 		.driver_data = VAIO_RDESC_CONSTANT },
3134 	/*
3135 	 * Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
3136 	 * Logitech joystick from the device descriptor.
3137 	 */
3138 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
3139 		.driver_data = BUZZ_CONTROLLER },
3140 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
3141 		.driver_data = BUZZ_CONTROLLER },
3142 	/* PS3 BD Remote Control */
3143 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
3144 		.driver_data = PS3REMOTE },
3145 	/* Logitech Harmony Adapter for PS3 */
3146 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
3147 		.driver_data = PS3REMOTE },
3148 	/* SMK-Link PS3 BD Remote Control */
3149 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE),
3150 		.driver_data = PS3REMOTE },
3151 	/* Sony Dualshock 4 controllers for PS4 */
3152 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
3153 		.driver_data = DUALSHOCK4_CONTROLLER_USB },
3154 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
3155 		.driver_data = DUALSHOCK4_CONTROLLER_BT },
3156 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
3157 		.driver_data = DUALSHOCK4_CONTROLLER_USB },
3158 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
3159 		.driver_data = DUALSHOCK4_CONTROLLER_BT },
3160 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE),
3161 		.driver_data = DUALSHOCK4_DONGLE },
3162 	/* Nyko Core Controller for PS3 */
3163 	{ HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER),
3164 		.driver_data = SIXAXIS_CONTROLLER_USB | SINO_LITE_CONTROLLER },
3165 	/* SMK-Link NSG-MR5U Remote Control */
3166 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR5U_REMOTE),
3167 		.driver_data = NSG_MR5U_REMOTE_BT },
3168 	/* SMK-Link NSG-MR7U Remote Control */
3169 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR7U_REMOTE),
3170 		.driver_data = NSG_MR7U_REMOTE_BT },
3171 	/* Guitar Hero Live PS3 and Wii U guitar dongles */
3172 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY_RHYTHM, USB_DEVICE_ID_SONY_PS3WIIU_GHLIVE_DONGLE),
3173 		.driver_data = GHL_GUITAR_PS3WIIU | GH_GUITAR_CONTROLLER },
3174 	/* Guitar Hero PC Guitar Dongle */
3175 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACTIVISION, USB_DEVICE_ID_ACTIVISION_GUITAR_DONGLE),
3176 		.driver_data = GH_GUITAR_CONTROLLER },
3177 	/* Guitar Hero PS3 World Tour Guitar Dongle */
3178 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY_RHYTHM, USB_DEVICE_ID_SONY_PS3_GUITAR_DONGLE),
3179 		.driver_data = GH_GUITAR_CONTROLLER },
3180 	{ }
3181 };
3182 MODULE_DEVICE_TABLE(hid, sony_devices);
3183 
3184 static struct hid_driver sony_driver = {
3185 	.name             = "sony",
3186 	.id_table         = sony_devices,
3187 	.input_mapping    = sony_mapping,
3188 	.input_configured = sony_input_configured,
3189 	.probe            = sony_probe,
3190 	.remove           = sony_remove,
3191 	.report_fixup     = sony_report_fixup,
3192 	.raw_event        = sony_raw_event,
3193 
3194 #ifdef CONFIG_PM
3195 	.suspend          = sony_suspend,
3196 	.resume	          = sony_resume,
3197 	.reset_resume     = sony_resume,
3198 #endif
3199 };
3200 
3201 static int __init sony_init(void)
3202 {
3203 	dbg_hid("Sony:%s\n", __func__);
3204 
3205 	return hid_register_driver(&sony_driver);
3206 }
3207 
3208 static void __exit sony_exit(void)
3209 {
3210 	dbg_hid("Sony:%s\n", __func__);
3211 
3212 	hid_unregister_driver(&sony_driver);
3213 	ida_destroy(&sony_device_id_allocator);
3214 }
3215 module_init(sony_init);
3216 module_exit(sony_exit);
3217 
3218 MODULE_LICENSE("GPL");
3219