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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / hid / hid-sony.c
blob4c6ed6ef31f1e731be29d06239fe972cc2e4eb4b
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 */
15
16 /*
17 */
18
19 /*
20 * NOTE: in order for the Sony PS3 BD Remote Control to be found by
21 * a Bluetooth host, the key combination Start+Enter has to be kept pressed
22 * for about 7 seconds with the Bluetooth Host Controller in discovering mode.
23 *
24 * There will be no PIN request from the device.
25 */
26
27 #include <linux/device.h>
28 #include <linux/hid.h>
29 #include <linux/module.h>
30 #include <linux/slab.h>
31 #include <linux/leds.h>
32 #include <linux/power_supply.h>
33 #include <linux/spinlock.h>
34 #include <linux/list.h>
35 #include <linux/idr.h>
36 #include <linux/input/mt.h>
37 #include <linux/crc32.h>
38 #include <asm/unaligned.h>
39
40 #include "hid-ids.h"
41
42 #define VAIO_RDESC_CONSTANT BIT(0)
43 #define SIXAXIS_CONTROLLER_USB BIT(1)
44 #define SIXAXIS_CONTROLLER_BT BIT(2)
45 #define BUZZ_CONTROLLER BIT(3)
46 #define PS3REMOTE BIT(4)
47 #define DUALSHOCK4_CONTROLLER_USB BIT(5)
48 #define DUALSHOCK4_CONTROLLER_BT BIT(6)
49 #define DUALSHOCK4_DONGLE BIT(7)
50 #define MOTION_CONTROLLER_USB BIT(8)
51 #define MOTION_CONTROLLER_BT BIT(9)
52 #define NAVIGATION_CONTROLLER_USB BIT(10)
53 #define NAVIGATION_CONTROLLER_BT BIT(11)
54 #define SINO_LITE_CONTROLLER BIT(12)
55 #define FUTUREMAX_DANCE_MAT BIT(13)
56 #define NSG_MR5U_REMOTE_BT BIT(14)
57 #define NSG_MR7U_REMOTE_BT BIT(15)
58 #define SHANWAN_GAMEPAD BIT(16)
59
60 #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
61 #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT)
62 #define NAVIGATION_CONTROLLER (NAVIGATION_CONTROLLER_USB |\
63 NAVIGATION_CONTROLLER_BT)
64 #define DUALSHOCK4_CONTROLLER (DUALSHOCK4_CONTROLLER_USB |\
65 DUALSHOCK4_CONTROLLER_BT | \
66 DUALSHOCK4_DONGLE)
67 #define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\
68 DUALSHOCK4_CONTROLLER | MOTION_CONTROLLER |\
69 NAVIGATION_CONTROLLER)
70 #define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\
71 MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER)
72 #define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\
73 MOTION_CONTROLLER)
74 #define SONY_BT_DEVICE (SIXAXIS_CONTROLLER_BT | DUALSHOCK4_CONTROLLER_BT |\
75 MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER_BT)
76 #define NSG_MRXU_REMOTE (NSG_MR5U_REMOTE_BT | NSG_MR7U_REMOTE_BT)
77
78 #define MAX_LEDS 4
79 #define NSG_MRXU_MAX_X 1667
80 #define NSG_MRXU_MAX_Y 1868
81
82
83 /* PS/3 Motion controller */
84 static u8 motion_rdesc[] = {
85 0x05, 0x01, /* Usage Page (Desktop), */
86 0x09, 0x04, /* Usage (Joystick), */
87 0xA1, 0x01, /* Collection (Application), */
88 0xA1, 0x02, /* Collection (Logical), */
89 0x85, 0x01, /* Report ID (1), */
90 0x75, 0x01, /* Report Size (1), */
91 0x95, 0x15, /* Report Count (21), */
92 0x15, 0x00, /* Logical Minimum (0), */
93 0x25, 0x01, /* Logical Maximum (1), */
94 0x35, 0x00, /* Physical Minimum (0), */
95 0x45, 0x01, /* Physical Maximum (1), */
96 0x05, 0x09, /* Usage Page (Button), */
97 0x19, 0x01, /* Usage Minimum (01h), */
98 0x29, 0x15, /* Usage Maximum (15h), */
99 0x81, 0x02, /* Input (Variable), * Buttons */
100 0x95, 0x0B, /* Report Count (11), */
101 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
102 0x81, 0x03, /* Input (Constant, Variable), * Padding */
103 0x15, 0x00, /* Logical Minimum (0), */
104 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
105 0x05, 0x01, /* Usage Page (Desktop), */
106 0xA1, 0x00, /* Collection (Physical), */
107 0x75, 0x08, /* Report Size (8), */
108 0x95, 0x01, /* Report Count (1), */
109 0x35, 0x00, /* Physical Minimum (0), */
110 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
111 0x09, 0x30, /* Usage (X), */
112 0x81, 0x02, /* Input (Variable), * Trigger */
113 0xC0, /* End Collection, */
114 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
115 0x75, 0x08, /* Report Size (8), */
116 0x95, 0x07, /* Report Count (7), * skip 7 bytes */
117 0x81, 0x02, /* Input (Variable), */
118 0x05, 0x01, /* Usage Page (Desktop), */
119 0x75, 0x10, /* Report Size (16), */
120 0x46, 0xFF, 0xFF, /* Physical Maximum (65535), */
121 0x27, 0xFF, 0xFF, 0x00, 0x00, /* Logical Maximum (65535), */
122 0x95, 0x03, /* Report Count (3), * 3x Accels */
123 0x09, 0x33, /* Usage (rX), */
124 0x09, 0x34, /* Usage (rY), */
125 0x09, 0x35, /* Usage (rZ), */
126 0x81, 0x02, /* Input (Variable), */
127 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
128 0x95, 0x03, /* Report Count (3), * Skip Accels 2nd frame */
129 0x81, 0x02, /* Input (Variable), */
130 0x05, 0x01, /* Usage Page (Desktop), */
131 0x09, 0x01, /* Usage (Pointer), */
132 0x95, 0x03, /* Report Count (3), * 3x Gyros */
133 0x81, 0x02, /* Input (Variable), */
134 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
135 0x95, 0x03, /* Report Count (3), * Skip Gyros 2nd frame */
136 0x81, 0x02, /* Input (Variable), */
137 0x75, 0x0C, /* Report Size (12), */
138 0x46, 0xFF, 0x0F, /* Physical Maximum (4095), */
139 0x26, 0xFF, 0x0F, /* Logical Maximum (4095), */
140 0x95, 0x04, /* Report Count (4), * Skip Temp and Magnetometers */
141 0x81, 0x02, /* Input (Variable), */
142 0x75, 0x08, /* Report Size (8), */
143 0x46, 0xFF, 0x00, /* Physical Maximum (255), */
144 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
145 0x95, 0x06, /* Report Count (6), * Skip Timestamp and Extension Bytes */
146 0x81, 0x02, /* Input (Variable), */
147 0x75, 0x08, /* Report Size (8), */
148 0x95, 0x30, /* Report Count (48), */
149 0x09, 0x01, /* Usage (Pointer), */
150 0x91, 0x02, /* Output (Variable), */
151 0x75, 0x08, /* Report Size (8), */
152 0x95, 0x30, /* Report Count (48), */
153 0x09, 0x01, /* Usage (Pointer), */
154 0xB1, 0x02, /* Feature (Variable), */
155 0xC0, /* End Collection, */
156 0xA1, 0x02, /* Collection (Logical), */
157 0x85, 0x02, /* Report ID (2), */
158 0x75, 0x08, /* Report Size (8), */
159 0x95, 0x30, /* Report Count (48), */
160 0x09, 0x01, /* Usage (Pointer), */
161 0xB1, 0x02, /* Feature (Variable), */
162 0xC0, /* End Collection, */
163 0xA1, 0x02, /* Collection (Logical), */
164 0x85, 0xEE, /* Report ID (238), */
165 0x75, 0x08, /* Report Size (8), */
166 0x95, 0x30, /* Report Count (48), */
167 0x09, 0x01, /* Usage (Pointer), */
168 0xB1, 0x02, /* Feature (Variable), */
169 0xC0, /* End Collection, */
170 0xA1, 0x02, /* Collection (Logical), */
171 0x85, 0xEF, /* Report ID (239), */
172 0x75, 0x08, /* Report Size (8), */
173 0x95, 0x30, /* Report Count (48), */
174 0x09, 0x01, /* Usage (Pointer), */
175 0xB1, 0x02, /* Feature (Variable), */
176 0xC0, /* End Collection, */
177 0xC0 /* End Collection */
178 };
179
180 static u8 ps3remote_rdesc[] = {
181 0x05, 0x01, /* GUsagePage Generic Desktop */
182 0x09, 0x05, /* LUsage 0x05 [Game Pad] */
183 0xA1, 0x01, /* MCollection Application (mouse, keyboard) */
184
185 /* Use collection 1 for joypad buttons */
186 0xA1, 0x02, /* MCollection Logical (interrelated data) */
187
188 /*
189 * Ignore the 1st byte, maybe it is used for a controller
190 * number but it's not needed for correct operation
191 */
192 0x75, 0x08, /* GReportSize 0x08 [8] */
193 0x95, 0x01, /* GReportCount 0x01 [1] */
194 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
195
196 /*
197 * Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
198 * buttons multiple keypresses are allowed
199 */
200 0x05, 0x09, /* GUsagePage Button */
201 0x19, 0x01, /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
202 0x29, 0x18, /* LUsageMaximum 0x18 [Button 24] */
203 0x14, /* GLogicalMinimum [0] */
204 0x25, 0x01, /* GLogicalMaximum 0x01 [1] */
205 0x75, 0x01, /* GReportSize 0x01 [1] */
206 0x95, 0x18, /* GReportCount 0x18 [24] */
207 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
208
209 0xC0, /* MEndCollection */
210
211 /* Use collection 2 for remote control buttons */
212 0xA1, 0x02, /* MCollection Logical (interrelated data) */
213
214 /* 5th byte is used for remote control buttons */
215 0x05, 0x09, /* GUsagePage Button */
216 0x18, /* LUsageMinimum [No button pressed] */
217 0x29, 0xFE, /* LUsageMaximum 0xFE [Button 254] */
218 0x14, /* GLogicalMinimum [0] */
219 0x26, 0xFE, 0x00, /* GLogicalMaximum 0x00FE [254] */
220 0x75, 0x08, /* GReportSize 0x08 [8] */
221 0x95, 0x01, /* GReportCount 0x01 [1] */
222 0x80, /* MInput */
223
224 /*
225 * Ignore bytes from 6th to 11th, 6th to 10th are always constant at
226 * 0xff and 11th is for press indication
227 */
228 0x75, 0x08, /* GReportSize 0x08 [8] */
229 0x95, 0x06, /* GReportCount 0x06 [6] */
230 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
231
232 /* 12th byte is for battery strength */
233 0x05, 0x06, /* GUsagePage Generic Device Controls */
234 0x09, 0x20, /* LUsage 0x20 [Battery Strength] */
235 0x14, /* GLogicalMinimum [0] */
236 0x25, 0x05, /* GLogicalMaximum 0x05 [5] */
237 0x75, 0x08, /* GReportSize 0x08 [8] */
238 0x95, 0x01, /* GReportCount 0x01 [1] */
239 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
240
241 0xC0, /* MEndCollection */
242
243 0xC0 /* MEndCollection [Game Pad] */
244 };
245
246 static const unsigned int ps3remote_keymap_joypad_buttons[] = {
247 [0x01] = KEY_SELECT,
248 [0x02] = BTN_THUMBL, /* L3 */
249 [0x03] = BTN_THUMBR, /* R3 */
250 [0x04] = BTN_START,
251 [0x05] = KEY_UP,
252 [0x06] = KEY_RIGHT,
253 [0x07] = KEY_DOWN,
254 [0x08] = KEY_LEFT,
255 [0x09] = BTN_TL2, /* L2 */
256 [0x0a] = BTN_TR2, /* R2 */
257 [0x0b] = BTN_TL, /* L1 */
258 [0x0c] = BTN_TR, /* R1 */
259 [0x0d] = KEY_OPTION, /* options/triangle */
260 [0x0e] = KEY_BACK, /* back/circle */
261 [0x0f] = BTN_0, /* cross */
262 [0x10] = KEY_SCREEN, /* view/square */
263 [0x11] = KEY_HOMEPAGE, /* PS button */
264 [0x14] = KEY_ENTER,
265 };
266 static const unsigned int ps3remote_keymap_remote_buttons[] = {
267 [0x00] = KEY_1,
268 [0x01] = KEY_2,
269 [0x02] = KEY_3,
270 [0x03] = KEY_4,
271 [0x04] = KEY_5,
272 [0x05] = KEY_6,
273 [0x06] = KEY_7,
274 [0x07] = KEY_8,
275 [0x08] = KEY_9,
276 [0x09] = KEY_0,
277 [0x0e] = KEY_ESC, /* return */
278 [0x0f] = KEY_CLEAR,
279 [0x16] = KEY_EJECTCD,
280 [0x1a] = KEY_MENU, /* top menu */
281 [0x28] = KEY_TIME,
282 [0x30] = KEY_PREVIOUS,
283 [0x31] = KEY_NEXT,
284 [0x32] = KEY_PLAY,
285 [0x33] = KEY_REWIND, /* scan back */
286 [0x34] = KEY_FORWARD, /* scan forward */
287 [0x38] = KEY_STOP,
288 [0x39] = KEY_PAUSE,
289 [0x40] = KEY_CONTEXT_MENU, /* pop up/menu */
290 [0x60] = KEY_FRAMEBACK, /* slow/step back */
291 [0x61] = KEY_FRAMEFORWARD, /* slow/step forward */
292 [0x63] = KEY_SUBTITLE,
293 [0x64] = KEY_AUDIO,
294 [0x65] = KEY_ANGLE,
295 [0x70] = KEY_INFO, /* display */
296 [0x80] = KEY_BLUE,
297 [0x81] = KEY_RED,
298 [0x82] = KEY_GREEN,
299 [0x83] = KEY_YELLOW,
300 };
301
302 static const unsigned int buzz_keymap[] = {
303 /*
304 * The controller has 4 remote buzzers, each with one LED and 5
305 * buttons.
306 *
307 * We use the mapping chosen by the controller, which is:
308 *
309 * Key Offset
310 * -------------------
311 * Buzz 1
312 * Blue 5
313 * Orange 4
314 * Green 3
315 * Yellow 2
316 *
317 * So, for example, the orange button on the third buzzer is mapped to
318 * BTN_TRIGGER_HAPPY14
319 */
320 [1] = BTN_TRIGGER_HAPPY1,
321 [2] = BTN_TRIGGER_HAPPY2,
322 [3] = BTN_TRIGGER_HAPPY3,
323 [4] = BTN_TRIGGER_HAPPY4,
324 [5] = BTN_TRIGGER_HAPPY5,
325 [6] = BTN_TRIGGER_HAPPY6,
326 [7] = BTN_TRIGGER_HAPPY7,
327 [8] = BTN_TRIGGER_HAPPY8,
328 [9] = BTN_TRIGGER_HAPPY9,
329 [10] = BTN_TRIGGER_HAPPY10,
330 [11] = BTN_TRIGGER_HAPPY11,
331 [12] = BTN_TRIGGER_HAPPY12,
332 [13] = BTN_TRIGGER_HAPPY13,
333 [14] = BTN_TRIGGER_HAPPY14,
334 [15] = BTN_TRIGGER_HAPPY15,
335 [16] = BTN_TRIGGER_HAPPY16,
336 [17] = BTN_TRIGGER_HAPPY17,
337 [18] = BTN_TRIGGER_HAPPY18,
338 [19] = BTN_TRIGGER_HAPPY19,
339 [20] = BTN_TRIGGER_HAPPY20,
340 };
341
342 /* The Navigation controller is a partial DS3 and uses the same HID report
343 * and hence the same keymap indices, however not not all axes/buttons
344 * are physically present. We use the same axis and button mapping as
345 * the DS3, which uses the Linux gamepad spec.
346 */
347 static const unsigned int navigation_absmap[] = {
348 [0x30] = ABS_X,
349 [0x31] = ABS_Y,
350 [0x33] = ABS_Z, /* L2 */
351 };
352
353 /* Buttons not physically available on the device, but still available
354 * in the reports are explicitly set to 0 for documentation purposes.
355 */
356 static const unsigned int navigation_keymap[] = {
357 [0x01] = 0, /* Select */
358 [0x02] = BTN_THUMBL, /* L3 */
359 [0x03] = 0, /* R3 */
360 [0x04] = 0, /* Start */
361 [0x05] = BTN_DPAD_UP, /* Up */
362 [0x06] = BTN_DPAD_RIGHT, /* Right */
363 [0x07] = BTN_DPAD_DOWN, /* Down */
364 [0x08] = BTN_DPAD_LEFT, /* Left */
365 [0x09] = BTN_TL2, /* L2 */
366 [0x0a] = 0, /* R2 */
367 [0x0b] = BTN_TL, /* L1 */
368 [0x0c] = 0, /* R1 */
369 [0x0d] = BTN_NORTH, /* Triangle */
370 [0x0e] = BTN_EAST, /* Circle */
371 [0x0f] = BTN_SOUTH, /* Cross */
372 [0x10] = BTN_WEST, /* Square */
373 [0x11] = BTN_MODE, /* PS */
374 };
375
376 static const unsigned int sixaxis_absmap[] = {
377 [0x30] = ABS_X,
378 [0x31] = ABS_Y,
379 [0x32] = ABS_RX, /* right stick X */
380 [0x35] = ABS_RY, /* right stick Y */
381 };
382
383 static const unsigned int sixaxis_keymap[] = {
384 [0x01] = BTN_SELECT, /* Select */
385 [0x02] = BTN_THUMBL, /* L3 */
386 [0x03] = BTN_THUMBR, /* R3 */
387 [0x04] = BTN_START, /* Start */
388 [0x05] = BTN_DPAD_UP, /* Up */
389 [0x06] = BTN_DPAD_RIGHT, /* Right */
390 [0x07] = BTN_DPAD_DOWN, /* Down */
391 [0x08] = BTN_DPAD_LEFT, /* Left */
392 [0x09] = BTN_TL2, /* L2 */
393 [0x0a] = BTN_TR2, /* R2 */
394 [0x0b] = BTN_TL, /* L1 */
395 [0x0c] = BTN_TR, /* R1 */
396 [0x0d] = BTN_NORTH, /* Triangle */
397 [0x0e] = BTN_EAST, /* Circle */
398 [0x0f] = BTN_SOUTH, /* Cross */
399 [0x10] = BTN_WEST, /* Square */
400 [0x11] = BTN_MODE, /* PS */
401 };
402
403 static const unsigned int ds4_absmap[] = {
404 [0x30] = ABS_X,
405 [0x31] = ABS_Y,
406 [0x32] = ABS_RX, /* right stick X */
407 [0x33] = ABS_Z, /* L2 */
408 [0x34] = ABS_RZ, /* R2 */
409 [0x35] = ABS_RY, /* right stick Y */
410 };
411
412 static const unsigned int ds4_keymap[] = {
413 [0x1] = BTN_WEST, /* Square */
414 [0x2] = BTN_SOUTH, /* Cross */
415 [0x3] = BTN_EAST, /* Circle */
416 [0x4] = BTN_NORTH, /* Triangle */
417 [0x5] = BTN_TL, /* L1 */
418 [0x6] = BTN_TR, /* R1 */
419 [0x7] = BTN_TL2, /* L2 */
420 [0x8] = BTN_TR2, /* R2 */
421 [0x9] = BTN_SELECT, /* Share */
422 [0xa] = BTN_START, /* Options */
423 [0xb] = BTN_THUMBL, /* L3 */
424 [0xc] = BTN_THUMBR, /* R3 */
425 [0xd] = BTN_MODE, /* PS */
426 };
427
428 static const struct {int x; int y; } ds4_hat_mapping[] = {
429 {0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1},
430 {0, 0}
431 };
432
433 static enum power_supply_property sony_battery_props[] = {
434 POWER_SUPPLY_PROP_PRESENT,
435 POWER_SUPPLY_PROP_CAPACITY,
436 POWER_SUPPLY_PROP_SCOPE,
437 POWER_SUPPLY_PROP_STATUS,
438 };
439
440 struct sixaxis_led {
441 u8 time_enabled; /* the total time the led is active (0xff means forever) */
442 u8 duty_length; /* how long a cycle is in deciseconds (0 means "really fast") */
443 u8 enabled;
444 u8 duty_off; /* % of duty_length the led is off (0xff means 100%) */
445 u8 duty_on; /* % of duty_length the led is on (0xff mean 100%) */
446 } __packed;
447
448 struct sixaxis_rumble {
449 u8 padding;
450 u8 right_duration; /* Right motor duration (0xff means forever) */
451 u8 right_motor_on; /* Right (small) motor on/off, only supports values of 0 or 1 (off/on) */
452 u8 left_duration; /* Left motor duration (0xff means forever) */
453 u8 left_motor_force; /* left (large) motor, supports force values from 0 to 255 */
454 } __packed;
455
456 struct sixaxis_output_report {
457 u8 report_id;
458 struct sixaxis_rumble rumble;
459 u8 padding[4];
460 u8 leds_bitmap; /* bitmap of enabled LEDs: LED_1 = 0x02, LED_2 = 0x04, ... */
461 struct sixaxis_led led[4]; /* LEDx at (4 - x) */
462 struct sixaxis_led _reserved; /* LED5, not actually soldered */
463 } __packed;
464
465 union sixaxis_output_report_01 {
466 struct sixaxis_output_report data;
467 u8 buf[36];
468 };
469
470 struct motion_output_report_02 {
471 u8 type, zero;
472 u8 r, g, b;
473 u8 zero2;
474 u8 rumble;
475 };
476
477 #define DS4_FEATURE_REPORT_0x02_SIZE 37
478 #define DS4_FEATURE_REPORT_0x05_SIZE 41
479 #define DS4_FEATURE_REPORT_0x81_SIZE 7
480 #define DS4_FEATURE_REPORT_0xA3_SIZE 49
481 #define DS4_INPUT_REPORT_0x11_SIZE 78
482 #define DS4_OUTPUT_REPORT_0x05_SIZE 32
483 #define DS4_OUTPUT_REPORT_0x11_SIZE 78
484 #define SIXAXIS_REPORT_0xF2_SIZE 17
485 #define SIXAXIS_REPORT_0xF5_SIZE 8
486 #define MOTION_REPORT_0x02_SIZE 49
487
488 /* Offsets relative to USB input report (0x1). Bluetooth (0x11) requires an
489 * additional +2.
490 */
491 #define DS4_INPUT_REPORT_AXIS_OFFSET 1
492 #define DS4_INPUT_REPORT_BUTTON_OFFSET 5
493 #define DS4_INPUT_REPORT_TIMESTAMP_OFFSET 10
494 #define DS4_INPUT_REPORT_GYRO_X_OFFSET 13
495 #define DS4_INPUT_REPORT_BATTERY_OFFSET 30
496 #define DS4_INPUT_REPORT_TOUCHPAD_OFFSET 33
497
498 #define SENSOR_SUFFIX " Motion Sensors"
499 #define DS4_TOUCHPAD_SUFFIX " Touchpad"
500
501 /* Default to 4ms poll interval, which is same as USB (not adjustable). */
502 #define DS4_BT_DEFAULT_POLL_INTERVAL_MS 4
503 #define DS4_BT_MAX_POLL_INTERVAL_MS 62
504 #define DS4_GYRO_RES_PER_DEG_S 1024
505 #define DS4_ACC_RES_PER_G 8192
506
507 #define SIXAXIS_INPUT_REPORT_ACC_X_OFFSET 41
508 #define SIXAXIS_ACC_RES_PER_G 113
509
510 static DEFINE_SPINLOCK(sony_dev_list_lock);
511 static LIST_HEAD(sony_device_list);
512 static DEFINE_IDA(sony_device_id_allocator);
513
514 /* Used for calibration of DS4 accelerometer and gyro. */
515 struct ds4_calibration_data {
516 int abs_code;
517 short bias;
518 /* Calibration requires scaling against a sensitivity value, which is a
519 * float. Store sensitivity as a fraction to limit floating point
520 * calculations until final calibration.
521 */
522 int sens_numer;
523 int sens_denom;
524 };
525
526 enum ds4_dongle_state {
527 DONGLE_DISCONNECTED,
528 DONGLE_CALIBRATING,
529 DONGLE_CONNECTED,
530 DONGLE_DISABLED
531 };
532
533 enum sony_worker {
534 SONY_WORKER_STATE,
535 SONY_WORKER_HOTPLUG
536 };
537
538 struct sony_sc {
539 spinlock_t lock;
540 struct list_head list_node;
541 struct hid_device *hdev;
542 struct input_dev *touchpad;
543 struct input_dev *sensor_dev;
544 struct led_classdev *leds[MAX_LEDS];
545 unsigned long quirks;
546 struct work_struct hotplug_worker;
547 struct work_struct state_worker;
548 void (*send_output_report)(struct sony_sc *);
549 struct power_supply *battery;
550 struct power_supply_desc battery_desc;
551 int device_id;
552 unsigned fw_version;
553 unsigned hw_version;
554 u8 *output_report_dmabuf;
555
556 #ifdef CONFIG_SONY_FF
557 u8 left;
558 u8 right;
559 #endif
560
561 u8 mac_address[6];
562 u8 hotplug_worker_initialized;
563 u8 state_worker_initialized;
564 u8 defer_initialization;
565 u8 cable_state;
566 u8 battery_charging;
567 u8 battery_capacity;
568 u8 led_state[MAX_LEDS];
569 u8 led_delay_on[MAX_LEDS];
570 u8 led_delay_off[MAX_LEDS];
571 u8 led_count;
572
573 bool timestamp_initialized;
574 u16 prev_timestamp;
575 unsigned int timestamp_us;
576
577 u8 ds4_bt_poll_interval;
578 enum ds4_dongle_state ds4_dongle_state;
579 /* DS4 calibration data */
580 struct ds4_calibration_data ds4_calib_data[6];
581 };
582
583 static void sony_set_leds(struct sony_sc *sc);
584
585 static inline void sony_schedule_work(struct sony_sc *sc,
586 enum sony_worker which)
587 {
588 unsigned long flags;
589
590 switch (which) {
591 case SONY_WORKER_STATE:
592 spin_lock_irqsave(&sc->lock, flags);
593 if (!sc->defer_initialization && sc->state_worker_initialized)
594 schedule_work(&sc->state_worker);
595 spin_unlock_irqrestore(&sc->lock, flags);
596 break;
597 case SONY_WORKER_HOTPLUG:
598 if (sc->hotplug_worker_initialized)
599 schedule_work(&sc->hotplug_worker);
600 break;
601 }
602 }
603
604 static ssize_t ds4_show_poll_interval(struct device *dev,
605 struct device_attribute
606 *attr, char *buf)
607 {
608 struct hid_device *hdev = to_hid_device(dev);
609 struct sony_sc *sc = hid_get_drvdata(hdev);
610
611 return snprintf(buf, PAGE_SIZE, "%i\n", sc->ds4_bt_poll_interval);
612 }
613
614 static ssize_t ds4_store_poll_interval(struct device *dev,
615 struct device_attribute *attr,
616 const char *buf, size_t count)
617 {
618 struct hid_device *hdev = to_hid_device(dev);
619 struct sony_sc *sc = hid_get_drvdata(hdev);
620 unsigned long flags;
621 u8 interval;
622
623 if (kstrtou8(buf, 0, &interval))
624 return -EINVAL;
625
626 if (interval > DS4_BT_MAX_POLL_INTERVAL_MS)
627 return -EINVAL;
628
629 spin_lock_irqsave(&sc->lock, flags);
630 sc->ds4_bt_poll_interval = interval;
631 spin_unlock_irqrestore(&sc->lock, flags);
632
633 sony_schedule_work(sc, SONY_WORKER_STATE);
634
635 return count;
636 }
637
638 static DEVICE_ATTR(bt_poll_interval, 0644, ds4_show_poll_interval,
639 ds4_store_poll_interval);
640
641 static ssize_t sony_show_firmware_version(struct device *dev,
642 struct device_attribute
643 *attr, char *buf)
644 {
645 struct hid_device *hdev = to_hid_device(dev);
646 struct sony_sc *sc = hid_get_drvdata(hdev);
647
648 return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->fw_version);
649 }
650
651 static DEVICE_ATTR(firmware_version, 0444, sony_show_firmware_version, NULL);
652
653 static ssize_t sony_show_hardware_version(struct device *dev,
654 struct device_attribute
655 *attr, char *buf)
656 {
657 struct hid_device *hdev = to_hid_device(dev);
658 struct sony_sc *sc = hid_get_drvdata(hdev);
659
660 return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->hw_version);
661 }
662
663 static DEVICE_ATTR(hardware_version, 0444, sony_show_hardware_version, NULL);
664
665 static u8 *motion_fixup(struct hid_device *hdev, u8 *rdesc,
666 unsigned int *rsize)
667 {
668 *rsize = sizeof(motion_rdesc);
669 return motion_rdesc;
670 }
671
672 static u8 *ps3remote_fixup(struct hid_device *hdev, u8 *rdesc,
673 unsigned int *rsize)
674 {
675 *rsize = sizeof(ps3remote_rdesc);
676 return ps3remote_rdesc;
677 }
678
679 static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
680 struct hid_field *field, struct hid_usage *usage,
681 unsigned long **bit, int *max)
682 {
683 unsigned int key = usage->hid & HID_USAGE;
684
685 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
686 return -1;
687
688 switch (usage->collection_index) {
689 case 1:
690 if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
691 return -1;
692
693 key = ps3remote_keymap_joypad_buttons[key];
694 if (!key)
695 return -1;
696 break;
697 case 2:
698 if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
699 return -1;
700
701 key = ps3remote_keymap_remote_buttons[key];
702 if (!key)
703 return -1;
704 break;
705 default:
706 return -1;
707 }
708
709 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
710 return 1;
711 }
712
713 static int navigation_mapping(struct hid_device *hdev, struct hid_input *hi,
714 struct hid_field *field, struct hid_usage *usage,
715 unsigned long **bit, int *max)
716 {
717 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
718 unsigned int key = usage->hid & HID_USAGE;
719
720 if (key >= ARRAY_SIZE(sixaxis_keymap))
721 return -1;
722
723 key = navigation_keymap[key];
724 if (!key)
725 return -1;
726
727 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
728 return 1;
729 } else if (usage->hid == HID_GD_POINTER) {
730 /* See comment in sixaxis_mapping, basically the L2 (and R2)
731 * triggers are reported through GD Pointer.
732 * In addition we ignore any analog button 'axes' and only
733 * support digital buttons.
734 */
735 switch (usage->usage_index) {
736 case 8: /* L2 */
737 usage->hid = HID_GD_Z;
738 break;
739 default:
740 return -1;
741 }
742
743 hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
744 return 1;
745 } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
746 unsigned int abs = usage->hid & HID_USAGE;
747
748 if (abs >= ARRAY_SIZE(navigation_absmap))
749 return -1;
750
751 abs = navigation_absmap[abs];
752
753 hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
754 return 1;
755 }
756
757 return -1;
758 }
759
760
761 static int sixaxis_mapping(struct hid_device *hdev, struct hid_input *hi,
762 struct hid_field *field, struct hid_usage *usage,
763 unsigned long **bit, int *max)
764 {
765 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
766 unsigned int key = usage->hid & HID_USAGE;
767
768 if (key >= ARRAY_SIZE(sixaxis_keymap))
769 return -1;
770
771 key = sixaxis_keymap[key];
772 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
773 return 1;
774 } else if (usage->hid == HID_GD_POINTER) {
775 /* The DS3 provides analog values for most buttons and even
776 * for HAT axes through GD Pointer. L2 and R2 are reported
777 * among these as well instead of as GD Z / RZ. Remap L2
778 * and R2 and ignore other analog 'button axes' as there is
779 * no good way for reporting them.
780 */
781 switch (usage->usage_index) {
782 case 8: /* L2 */
783 usage->hid = HID_GD_Z;
784 break;
785 case 9: /* R2 */
786 usage->hid = HID_GD_RZ;
787 break;
788 default:
789 return -1;
790 }
791
792 hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
793 return 1;
794 } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
795 unsigned int abs = usage->hid & HID_USAGE;
796
797 if (abs >= ARRAY_SIZE(sixaxis_absmap))
798 return -1;
799
800 abs = sixaxis_absmap[abs];
801
802 hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
803 return 1;
804 }
805
806 return -1;
807 }
808
809 static int ds4_mapping(struct hid_device *hdev, struct hid_input *hi,
810 struct hid_field *field, struct hid_usage *usage,
811 unsigned long **bit, int *max)
812 {
813 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
814 unsigned int key = usage->hid & HID_USAGE;
815
816 if (key >= ARRAY_SIZE(ds4_keymap))
817 return -1;
818
819 key = ds4_keymap[key];
820 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
821 return 1;
822 } else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
823 unsigned int abs = usage->hid & HID_USAGE;
824
825 /* Let the HID parser deal with the HAT. */
826 if (usage->hid == HID_GD_HATSWITCH)
827 return 0;
828
829 if (abs >= ARRAY_SIZE(ds4_absmap))
830 return -1;
831
832 abs = ds4_absmap[abs];
833 hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
834 return 1;
835 }
836
837 return 0;
838 }
839
840 static u8 *sony_report_fixup(struct hid_device *hdev, u8 *rdesc,
841 unsigned int *rsize)
842 {
843 struct sony_sc *sc = hid_get_drvdata(hdev);
844
845 if (sc->quirks & (SINO_LITE_CONTROLLER | FUTUREMAX_DANCE_MAT))
846 return rdesc;
847
848 /*
849 * Some Sony RF receivers wrongly declare the mouse pointer as a
850 * a constant non-data variable.
851 */
852 if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
853 /* usage page: generic desktop controls */
854 /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
855 /* usage: mouse */
856 rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
857 /* input (usage page for x,y axes): constant, variable, relative */
858 rdesc[54] == 0x81 && rdesc[55] == 0x07) {
859 hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
860 /* input: data, variable, relative */
861 rdesc[55] = 0x06;
862 }
863
864 if (sc->quirks & MOTION_CONTROLLER)
865 return motion_fixup(hdev, rdesc, rsize);
866
867 if (sc->quirks & PS3REMOTE)
868 return ps3remote_fixup(hdev, rdesc, rsize);
869
870 return rdesc;
871 }
872
873 static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size)
874 {
875 static const u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 };
876 unsigned long flags;
877 int offset;
878 u8 cable_state, battery_capacity, battery_charging;
879
880 /*
881 * The sixaxis is charging if the battery value is 0xee
882 * and it is fully charged if the value is 0xef.
883 * It does not report the actual level while charging so it
884 * is set to 100% while charging is in progress.
885 */
886 offset = (sc->quirks & MOTION_CONTROLLER) ? 12 : 30;
887
888 if (rd[offset] >= 0xee) {
889 battery_capacity = 100;
890 battery_charging = !(rd[offset] & 0x01);
891 cable_state = 1;
892 } else {
893 u8 index = rd[offset] <= 5 ? rd[offset] : 5;
894 battery_capacity = sixaxis_battery_capacity[index];
895 battery_charging = 0;
896 cable_state = 0;
897 }
898
899 spin_lock_irqsave(&sc->lock, flags);
900 sc->cable_state = cable_state;
901 sc->battery_capacity = battery_capacity;
902 sc->battery_charging = battery_charging;
903 spin_unlock_irqrestore(&sc->lock, flags);
904
905 if (sc->quirks & SIXAXIS_CONTROLLER) {
906 int val;
907
908 offset = SIXAXIS_INPUT_REPORT_ACC_X_OFFSET;
909 val = ((rd[offset+1] << 8) | rd[offset]) - 511;
910 input_report_abs(sc->sensor_dev, ABS_X, val);
911
912 /* Y and Z are swapped and inversed */
913 val = 511 - ((rd[offset+5] << 8) | rd[offset+4]);
914 input_report_abs(sc->sensor_dev, ABS_Y, val);
915
916 val = 511 - ((rd[offset+3] << 8) | rd[offset+2]);
917 input_report_abs(sc->sensor_dev, ABS_Z, val);
918
919 input_sync(sc->sensor_dev);
920 }
921 }
922
923 static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size)
924 {
925 struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
926 struct hid_input, list);
927 struct input_dev *input_dev = hidinput->input;
928 unsigned long flags;
929 int n, m, offset, num_touch_data, max_touch_data;
930 u8 cable_state, battery_capacity, battery_charging;
931 u16 timestamp;
932
933 /* When using Bluetooth the header is 2 bytes longer, so skip these. */
934 int data_offset = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 2 : 0;
935
936 /* Second bit of third button byte is for the touchpad button. */
937 offset = data_offset + DS4_INPUT_REPORT_BUTTON_OFFSET;
938 input_report_key(sc->touchpad, BTN_LEFT, rd[offset+2] & 0x2);
939
940 /*
941 * The default behavior of the Dualshock 4 is to send reports using
942 * report type 1 when running over Bluetooth. However, when feature
943 * report 2 is requested during the controller initialization it starts
944 * sending input reports in report 17. Since report 17 is undefined
945 * in the default HID descriptor, the HID layer won't generate events.
946 * While it is possible (and this was done before) to fixup the HID
947 * descriptor to add this mapping, it was better to do this manually.
948 * The reason is there were various pieces software both open and closed
949 * source, relying on the descriptors to be the same across various
950 * operating systems. If the descriptors wouldn't match some
951 * applications e.g. games on Wine would not be able to function due
952 * to different descriptors, which such applications are not parsing.
953 */
954 if (rd[0] == 17) {
955 int value;
956
957 offset = data_offset + DS4_INPUT_REPORT_AXIS_OFFSET;
958 input_report_abs(input_dev, ABS_X, rd[offset]);
959 input_report_abs(input_dev, ABS_Y, rd[offset+1]);
960 input_report_abs(input_dev, ABS_RX, rd[offset+2]);
961 input_report_abs(input_dev, ABS_RY, rd[offset+3]);
962
963 value = rd[offset+4] & 0xf;
964 if (value > 7)
965 value = 8; /* Center 0, 0 */
966 input_report_abs(input_dev, ABS_HAT0X, ds4_hat_mapping[value].x);
967 input_report_abs(input_dev, ABS_HAT0Y, ds4_hat_mapping[value].y);
968
969 input_report_key(input_dev, BTN_WEST, rd[offset+4] & 0x10);
970 input_report_key(input_dev, BTN_SOUTH, rd[offset+4] & 0x20);
971 input_report_key(input_dev, BTN_EAST, rd[offset+4] & 0x40);
972 input_report_key(input_dev, BTN_NORTH, rd[offset+4] & 0x80);
973
974 input_report_key(input_dev, BTN_TL, rd[offset+5] & 0x1);
975 input_report_key(input_dev, BTN_TR, rd[offset+5] & 0x2);
976 input_report_key(input_dev, BTN_TL2, rd[offset+5] & 0x4);
977 input_report_key(input_dev, BTN_TR2, rd[offset+5] & 0x8);
978 input_report_key(input_dev, BTN_SELECT, rd[offset+5] & 0x10);
979 input_report_key(input_dev, BTN_START, rd[offset+5] & 0x20);
980 input_report_key(input_dev, BTN_THUMBL, rd[offset+5] & 0x40);
981 input_report_key(input_dev, BTN_THUMBR, rd[offset+5] & 0x80);
982
983 input_report_key(input_dev, BTN_MODE, rd[offset+6] & 0x1);
984
985 input_report_abs(input_dev, ABS_Z, rd[offset+7]);
986 input_report_abs(input_dev, ABS_RZ, rd[offset+8]);
987
988 input_sync(input_dev);
989 }
990
991 /* Convert timestamp (in 5.33us unit) to timestamp_us */
992 offset = data_offset + DS4_INPUT_REPORT_TIMESTAMP_OFFSET;
993 timestamp = get_unaligned_le16(&rd[offset]);
994 if (!sc->timestamp_initialized) {
995 sc->timestamp_us = ((unsigned int)timestamp * 16) / 3;
996 sc->timestamp_initialized = true;
997 } else {
998 u16 delta;
999
1000 if (sc->prev_timestamp > timestamp)
1001 delta = (U16_MAX - sc->prev_timestamp + timestamp + 1);
1002 else
1003 delta = timestamp - sc->prev_timestamp;
1004 sc->timestamp_us += (delta * 16) / 3;
1005 }
1006 sc->prev_timestamp = timestamp;
1007 input_event(sc->sensor_dev, EV_MSC, MSC_TIMESTAMP, sc->timestamp_us);
1008
1009 offset = data_offset + DS4_INPUT_REPORT_GYRO_X_OFFSET;
1010 for (n = 0; n < 6; n++) {
1011 /* Store data in int for more precision during mult_frac. */
1012 int raw_data = (short)((rd[offset+1] << 8) | rd[offset]);
1013 struct ds4_calibration_data *calib = &sc->ds4_calib_data[n];
1014
1015 /* High precision is needed during calibration, but the
1016 * calibrated values are within 32-bit.
1017 * Note: we swap numerator 'x' and 'numer' in mult_frac for
1018 * precision reasons so we don't need 64-bit.
1019 */
1020 int calib_data = mult_frac(calib->sens_numer,
1021 raw_data - calib->bias,
1022 calib->sens_denom);
1023
1024 input_report_abs(sc->sensor_dev, calib->abs_code, calib_data);
1025 offset += 2;
1026 }
1027 input_sync(sc->sensor_dev);
1028
1029 /*
1030 * The lower 4 bits of byte 30 (or 32 for BT) contain the battery level
1031 * and the 5th bit contains the USB cable state.
1032 */
1033 offset = data_offset + DS4_INPUT_REPORT_BATTERY_OFFSET;
1034 cable_state = (rd[offset] >> 4) & 0x01;
1035 battery_capacity = rd[offset] & 0x0F;
1036
1037 /*
1038 * When a USB power source is connected the battery level ranges from
1039 * 0 to 10, and when running on battery power it ranges from 0 to 9.
1040 * A battery level above 10 when plugged in means charge completed.
1041 */
1042 if (!cable_state || battery_capacity > 10)
1043 battery_charging = 0;
1044 else
1045 battery_charging = 1;
1046
1047 if (!cable_state)
1048 battery_capacity++;
1049 if (battery_capacity > 10)
1050 battery_capacity = 10;
1051
1052 battery_capacity *= 10;
1053
1054 spin_lock_irqsave(&sc->lock, flags);
1055 sc->cable_state = cable_state;
1056 sc->battery_capacity = battery_capacity;
1057 sc->battery_charging = battery_charging;
1058 spin_unlock_irqrestore(&sc->lock, flags);
1059
1060 /*
1061 * The Dualshock 4 multi-touch trackpad data starts at offset 33 on USB
1062 * and 35 on Bluetooth.
1063 * The first byte indicates the number of touch data in the report.
1064 * Trackpad data starts 2 bytes later (e.g. 35 for USB).
1065 */
1066 offset = data_offset + DS4_INPUT_REPORT_TOUCHPAD_OFFSET;
1067 max_touch_data = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 4 : 3;
1068 if (rd[offset] > 0 && rd[offset] <= max_touch_data)
1069 num_touch_data = rd[offset];
1070 else
1071 num_touch_data = 1;
1072 offset += 1;
1073
1074 for (m = 0; m < num_touch_data; m++) {
1075 /* Skip past timestamp */
1076 offset += 1;
1077
1078 /*
1079 * The first 7 bits of the first byte is a counter and bit 8 is
1080 * a touch indicator that is 0 when pressed and 1 when not
1081 * pressed.
1082 * The next 3 bytes are two 12 bit touch coordinates, X and Y.
1083 * The data for the second touch is in the same format and
1084 * immediately follows the data for the first.
1085 */
1086 for (n = 0; n < 2; n++) {
1087 u16 x, y;
1088 bool active;
1089
1090 x = rd[offset+1] | ((rd[offset+2] & 0xF) << 8);
1091 y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4);
1092
1093 active = !(rd[offset] >> 7);
1094 input_mt_slot(sc->touchpad, n);
1095 input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active);
1096
1097 if (active) {
1098 input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
1099 input_report_abs(sc->touchpad, ABS_MT_POSITION_Y, y);
1100 }
1101
1102 offset += 4;
1103 }
1104 input_mt_sync_frame(sc->touchpad);
1105 input_sync(sc->touchpad);
1106 }
1107 }
1108
1109 static void nsg_mrxu_parse_report(struct sony_sc *sc, u8 *rd, int size)
1110 {
1111 int n, offset, relx, rely;
1112 u8 active;
1113
1114 /*
1115 * The NSG-MRxU multi-touch trackpad data starts at offset 1 and
1116 * the touch-related data starts at offset 2.
1117 * For the first byte, bit 0 is set when touchpad button is pressed.
1118 * Bit 2 is set when a touch is active and the drag (Fn) key is pressed.
1119 * This drag key is mapped to BTN_LEFT. It is operational only when a
1120 * touch point is active.
1121 * Bit 4 is set when only the first touch point is active.
1122 * Bit 6 is set when only the second touch point is active.
1123 * Bits 5 and 7 are set when both touch points are active.
1124 * The next 3 bytes are two 12 bit X/Y coordinates for the first touch.
1125 * The following byte, offset 5, has the touch width and length.
1126 * Bits 0-4=X (width), bits 5-7=Y (length).
1127 * A signed relative X coordinate is at offset 6.
1128 * The bytes at offset 7-9 are the second touch X/Y coordinates.
1129 * Offset 10 has the second touch width and length.
1130 * Offset 11 has the relative Y coordinate.
1131 */
1132 offset = 1;
1133
1134 input_report_key(sc->touchpad, BTN_LEFT, rd[offset] & 0x0F);
1135 active = (rd[offset] >> 4);
1136 relx = (s8) rd[offset+5];
1137 rely = ((s8) rd[offset+10]) * -1;
1138
1139 offset++;
1140
1141 for (n = 0; n < 2; n++) {
1142 u16 x, y;
1143 u8 contactx, contacty;
1144
1145 x = rd[offset] | ((rd[offset+1] & 0x0F) << 8);
1146 y = ((rd[offset+1] & 0xF0) >> 4) | (rd[offset+2] << 4);
1147
1148 input_mt_slot(sc->touchpad, n);
1149 input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active & 0x03);
1150
1151 if (active & 0x03) {
1152 contactx = rd[offset+3] & 0x0F;
1153 contacty = rd[offset+3] >> 4;
1154 input_report_abs(sc->touchpad, ABS_MT_TOUCH_MAJOR,
1155 max(contactx, contacty));
1156 input_report_abs(sc->touchpad, ABS_MT_TOUCH_MINOR,
1157 min(contactx, contacty));
1158 input_report_abs(sc->touchpad, ABS_MT_ORIENTATION,
1159 (bool) (contactx > contacty));
1160 input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
1161 input_report_abs(sc->touchpad, ABS_MT_POSITION_Y,
1162 NSG_MRXU_MAX_Y - y);
1163 /*
1164 * The relative coordinates belong to the first touch
1165 * point, when present, or to the second touch point
1166 * when the first is not active.
1167 */
1168 if ((n == 0) || ((n == 1) && (active & 0x01))) {
1169 input_report_rel(sc->touchpad, REL_X, relx);
1170 input_report_rel(sc->touchpad, REL_Y, rely);
1171 }
1172 }
1173
1174 offset += 5;
1175 active >>= 2;
1176 }
1177
1178 input_mt_sync_frame(sc->touchpad);
1179
1180 input_sync(sc->touchpad);
1181 }
1182
1183 static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
1184 u8 *rd, int size)
1185 {
1186 struct sony_sc *sc = hid_get_drvdata(hdev);
1187
1188 /*
1189 * Sixaxis HID report has acclerometers/gyro with MSByte first, this
1190 * has to be BYTE_SWAPPED before passing up to joystick interface
1191 */
1192 if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) {
1193 /*
1194 * When connected via Bluetooth the Sixaxis occasionally sends
1195 * a report with the second byte 0xff and the rest zeroed.
1196 *
1197 * This report does not reflect the actual state of the
1198 * controller must be ignored to avoid generating false input
1199 * events.
1200 */
1201 if (rd[1] == 0xff)
1202 return -EINVAL;
1203
1204 swap(rd[41], rd[42]);
1205 swap(rd[43], rd[44]);
1206 swap(rd[45], rd[46]);
1207 swap(rd[47], rd[48]);
1208
1209 sixaxis_parse_report(sc, rd, size);
1210 } else if ((sc->quirks & MOTION_CONTROLLER_BT) && rd[0] == 0x01 && size == 49) {
1211 sixaxis_parse_report(sc, rd, size);
1212 } else if ((sc->quirks & NAVIGATION_CONTROLLER) && rd[0] == 0x01 &&
1213 size == 49) {
1214 sixaxis_parse_report(sc, rd, size);
1215 } else if ((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && rd[0] == 0x01 &&
1216 size == 64) {
1217 dualshock4_parse_report(sc, rd, size);
1218 } else if (((sc->quirks & DUALSHOCK4_CONTROLLER_BT) && rd[0] == 0x11 &&
1219 size == 78)) {
1220 /* CRC check */
1221 u8 bthdr = 0xA1;
1222 u32 crc;
1223 u32 report_crc;
1224
1225 crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
1226 crc = ~crc32_le(crc, rd, DS4_INPUT_REPORT_0x11_SIZE-4);
1227 report_crc = get_unaligned_le32(&rd[DS4_INPUT_REPORT_0x11_SIZE-4]);
1228 if (crc != report_crc) {
1229 hid_dbg(sc->hdev, "DualShock 4 input report's CRC check failed, received crc 0x%0x != 0x%0x\n",
1230 report_crc, crc);
1231 return -EILSEQ;
1232 }
1233
1234 dualshock4_parse_report(sc, rd, size);
1235 } else if ((sc->quirks & DUALSHOCK4_DONGLE) && rd[0] == 0x01 &&
1236 size == 64) {
1237 unsigned long flags;
1238 enum ds4_dongle_state dongle_state;
1239
1240 /*
1241 * In the case of a DS4 USB dongle, bit[2] of byte 31 indicates
1242 * if a DS4 is actually connected (indicated by '0').
1243 * For non-dongle, this bit is always 0 (connected).
1244 */
1245 bool connected = (rd[31] & 0x04) ? false : true;
1246
1247 spin_lock_irqsave(&sc->lock, flags);
1248 dongle_state = sc->ds4_dongle_state;
1249 spin_unlock_irqrestore(&sc->lock, flags);
1250
1251 /*
1252 * The dongle always sends input reports even when no
1253 * DS4 is attached. When a DS4 is connected, we need to
1254 * obtain calibration data before we can use it.
1255 * The code below tracks dongle state and kicks of
1256 * calibration when needed and only allows us to process
1257 * input if a DS4 is actually connected.
1258 */
1259 if (dongle_state == DONGLE_DISCONNECTED && connected) {
1260 hid_info(sc->hdev, "DualShock 4 USB dongle: controller connected\n");
1261 sony_set_leds(sc);
1262
1263 spin_lock_irqsave(&sc->lock, flags);
1264 sc->ds4_dongle_state = DONGLE_CALIBRATING;
1265 spin_unlock_irqrestore(&sc->lock, flags);
1266
1267 sony_schedule_work(sc, SONY_WORKER_HOTPLUG);
1268
1269 /* Don't process the report since we don't have
1270 * calibration data, but let hidraw have it anyway.
1271 */
1272 return 0;
1273 } else if ((dongle_state == DONGLE_CONNECTED ||
1274 dongle_state == DONGLE_DISABLED) && !connected) {
1275 hid_info(sc->hdev, "DualShock 4 USB dongle: controller disconnected\n");
1276
1277 spin_lock_irqsave(&sc->lock, flags);
1278 sc->ds4_dongle_state = DONGLE_DISCONNECTED;
1279 spin_unlock_irqrestore(&sc->lock, flags);
1280
1281 /* Return 0, so hidraw can get the report. */
1282 return 0;
1283 } else if (dongle_state == DONGLE_CALIBRATING ||
1284 dongle_state == DONGLE_DISABLED ||
1285 dongle_state == DONGLE_DISCONNECTED) {
1286 /* Return 0, so hidraw can get the report. */
1287 return 0;
1288 }
1289
1290 dualshock4_parse_report(sc, rd, size);
1291
1292 } else if ((sc->quirks & NSG_MRXU_REMOTE) && rd[0] == 0x02) {
1293 nsg_mrxu_parse_report(sc, rd, size);
1294 return 1;
1295 }
1296
1297 if (sc->defer_initialization) {
1298 sc->defer_initialization = 0;
1299 sony_schedule_work(sc, SONY_WORKER_STATE);
1300 }
1301
1302 return 0;
1303 }
1304
1305 static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
1306 struct hid_field *field, struct hid_usage *usage,
1307 unsigned long **bit, int *max)
1308 {
1309 struct sony_sc *sc = hid_get_drvdata(hdev);
1310
1311 if (sc->quirks & BUZZ_CONTROLLER) {
1312 unsigned int key = usage->hid & HID_USAGE;
1313
1314 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
1315 return -1;
1316
1317 switch (usage->collection_index) {
1318 case 1:
1319 if (key >= ARRAY_SIZE(buzz_keymap))
1320 return -1;
1321
1322 key = buzz_keymap[key];
1323 if (!key)
1324 return -1;
1325 break;
1326 default:
1327 return -1;
1328 }
1329
1330 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
1331 return 1;
1332 }
1333
1334 if (sc->quirks & PS3REMOTE)
1335 return ps3remote_mapping(hdev, hi, field, usage, bit, max);
1336
1337 if (sc->quirks & NAVIGATION_CONTROLLER)
1338 return navigation_mapping(hdev, hi, field, usage, bit, max);
1339
1340 if (sc->quirks & SIXAXIS_CONTROLLER)
1341 return sixaxis_mapping(hdev, hi, field, usage, bit, max);
1342
1343 if (sc->quirks & DUALSHOCK4_CONTROLLER)
1344 return ds4_mapping(hdev, hi, field, usage, bit, max);
1345
1346
1347 /* Let hid-core decide for the others */
1348 return 0;
1349 }
1350
1351 static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
1352 int w, int h, int touch_major, int touch_minor, int orientation)
1353 {
1354 size_t name_sz;
1355 char *name;
1356 int ret;
1357
1358 sc->touchpad = devm_input_allocate_device(&sc->hdev->dev);
1359 if (!sc->touchpad)
1360 return -ENOMEM;
1361
1362 input_set_drvdata(sc->touchpad, sc);
1363 sc->touchpad->dev.parent = &sc->hdev->dev;
1364 sc->touchpad->phys = sc->hdev->phys;
1365 sc->touchpad->uniq = sc->hdev->uniq;
1366 sc->touchpad->id.bustype = sc->hdev->bus;
1367 sc->touchpad->id.vendor = sc->hdev->vendor;
1368 sc->touchpad->id.product = sc->hdev->product;
1369 sc->touchpad->id.version = sc->hdev->version;
1370
1371 /* Append a suffix to the controller name as there are various
1372 * DS4 compatible non-Sony devices with different names.
1373 */
1374 name_sz = strlen(sc->hdev->name) + sizeof(DS4_TOUCHPAD_SUFFIX);
1375 name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
1376 if (!name)
1377 return -ENOMEM;
1378 snprintf(name, name_sz, "%s" DS4_TOUCHPAD_SUFFIX, sc->hdev->name);
1379 sc->touchpad->name = name;
1380
1381 /* We map the button underneath the touchpad to BTN_LEFT. */
1382 __set_bit(EV_KEY, sc->touchpad->evbit);
1383 __set_bit(BTN_LEFT, sc->touchpad->keybit);
1384 __set_bit(INPUT_PROP_BUTTONPAD, sc->touchpad->propbit);
1385
1386 input_set_abs_params(sc->touchpad, ABS_MT_POSITION_X, 0, w, 0, 0);
1387 input_set_abs_params(sc->touchpad, ABS_MT_POSITION_Y, 0, h, 0, 0);
1388
1389 if (touch_major > 0) {
1390 input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MAJOR,
1391 0, touch_major, 0, 0);
1392 if (touch_minor > 0)
1393 input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MINOR,
1394 0, touch_minor, 0, 0);
1395 if (orientation > 0)
1396 input_set_abs_params(sc->touchpad, ABS_MT_ORIENTATION,
1397 0, orientation, 0, 0);
1398 }
1399
1400 if (sc->quirks & NSG_MRXU_REMOTE) {
1401 __set_bit(EV_REL, sc->touchpad->evbit);
1402 }
1403
1404 ret = input_mt_init_slots(sc->touchpad, touch_count, INPUT_MT_POINTER);
1405 if (ret < 0)
1406 return ret;
1407
1408 ret = input_register_device(sc->touchpad);
1409 if (ret < 0)
1410 return ret;
1411
1412 return 0;
1413 }
1414
1415 static int sony_register_sensors(struct sony_sc *sc)
1416 {
1417 size_t name_sz;
1418 char *name;
1419 int ret;
1420 int range;
1421
1422 sc->sensor_dev = devm_input_allocate_device(&sc->hdev->dev);
1423 if (!sc->sensor_dev)
1424 return -ENOMEM;
1425
1426 input_set_drvdata(sc->sensor_dev, sc);
1427 sc->sensor_dev->dev.parent = &sc->hdev->dev;
1428 sc->sensor_dev->phys = sc->hdev->phys;
1429 sc->sensor_dev->uniq = sc->hdev->uniq;
1430 sc->sensor_dev->id.bustype = sc->hdev->bus;
1431 sc->sensor_dev->id.vendor = sc->hdev->vendor;
1432 sc->sensor_dev->id.product = sc->hdev->product;
1433 sc->sensor_dev->id.version = sc->hdev->version;
1434
1435 /* Append a suffix to the controller name as there are various
1436 * DS4 compatible non-Sony devices with different names.
1437 */
1438 name_sz = strlen(sc->hdev->name) + sizeof(SENSOR_SUFFIX);
1439 name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
1440 if (!name)
1441 return -ENOMEM;
1442 snprintf(name, name_sz, "%s" SENSOR_SUFFIX, sc->hdev->name);
1443 sc->sensor_dev->name = name;
1444
1445 if (sc->quirks & SIXAXIS_CONTROLLER) {
1446 /* For the DS3 we only support the accelerometer, which works
1447 * quite well even without calibration. The device also has
1448 * a 1-axis gyro, but it is very difficult to manage from within
1449 * the driver even to get data, the sensor is inaccurate and
1450 * the behavior is very different between hardware revisions.
1451 */
1452 input_set_abs_params(sc->sensor_dev, ABS_X, -512, 511, 4, 0);
1453 input_set_abs_params(sc->sensor_dev, ABS_Y, -512, 511, 4, 0);
1454 input_set_abs_params(sc->sensor_dev, ABS_Z, -512, 511, 4, 0);
1455 input_abs_set_res(sc->sensor_dev, ABS_X, SIXAXIS_ACC_RES_PER_G);
1456 input_abs_set_res(sc->sensor_dev, ABS_Y, SIXAXIS_ACC_RES_PER_G);
1457 input_abs_set_res(sc->sensor_dev, ABS_Z, SIXAXIS_ACC_RES_PER_G);
1458 } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
1459 range = DS4_ACC_RES_PER_G*4;
1460 input_set_abs_params(sc->sensor_dev, ABS_X, -range, range, 16, 0);
1461 input_set_abs_params(sc->sensor_dev, ABS_Y, -range, range, 16, 0);
1462 input_set_abs_params(sc->sensor_dev, ABS_Z, -range, range, 16, 0);
1463 input_abs_set_res(sc->sensor_dev, ABS_X, DS4_ACC_RES_PER_G);
1464 input_abs_set_res(sc->sensor_dev, ABS_Y, DS4_ACC_RES_PER_G);
1465 input_abs_set_res(sc->sensor_dev, ABS_Z, DS4_ACC_RES_PER_G);
1466
1467 range = DS4_GYRO_RES_PER_DEG_S*2048;
1468 input_set_abs_params(sc->sensor_dev, ABS_RX, -range, range, 16, 0);
1469 input_set_abs_params(sc->sensor_dev, ABS_RY, -range, range, 16, 0);
1470 input_set_abs_params(sc->sensor_dev, ABS_RZ, -range, range, 16, 0);
1471 input_abs_set_res(sc->sensor_dev, ABS_RX, DS4_GYRO_RES_PER_DEG_S);
1472 input_abs_set_res(sc->sensor_dev, ABS_RY, DS4_GYRO_RES_PER_DEG_S);
1473 input_abs_set_res(sc->sensor_dev, ABS_RZ, DS4_GYRO_RES_PER_DEG_S);
1474
1475 __set_bit(EV_MSC, sc->sensor_dev->evbit);
1476 __set_bit(MSC_TIMESTAMP, sc->sensor_dev->mscbit);
1477 }
1478
1479 __set_bit(INPUT_PROP_ACCELEROMETER, sc->sensor_dev->propbit);
1480
1481 ret = input_register_device(sc->sensor_dev);
1482 if (ret < 0)
1483 return ret;
1484
1485 return 0;
1486 }
1487
1488 /*
1489 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
1490 * to "operational". Without this, the ps3 controller will not report any
1491 * events.
1492 */
1493 static int sixaxis_set_operational_usb(struct hid_device *hdev)
1494 {
1495 struct sony_sc *sc = hid_get_drvdata(hdev);
1496 const int buf_size =
1497 max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE);
1498 u8 *buf;
1499 int ret;
1500
1501 buf = kmalloc(buf_size, GFP_KERNEL);
1502 if (!buf)
1503 return -ENOMEM;
1504
1505 ret = hid_hw_raw_request(hdev, 0xf2, buf, SIXAXIS_REPORT_0xF2_SIZE,
1506 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
1507 if (ret < 0) {
1508 hid_err(hdev, "can't set operational mode: step 1\n");
1509 goto out;
1510 }
1511
1512 /*
1513 * Some compatible controllers like the Speedlink Strike FX and
1514 * Gasia need another query plus an USB interrupt to get operational.
1515 */
1516 ret = hid_hw_raw_request(hdev, 0xf5, buf, SIXAXIS_REPORT_0xF5_SIZE,
1517 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
1518 if (ret < 0) {
1519 hid_err(hdev, "can't set operational mode: step 2\n");
1520 goto out;
1521 }
1522
1523 /*
1524 * But the USB interrupt would cause SHANWAN controllers to
1525 * start rumbling non-stop, so skip step 3 for these controllers.
1526 */
1527 if (sc->quirks & SHANWAN_GAMEPAD)
1528 goto out;
1529
1530 ret = hid_hw_output_report(hdev, buf, 1);
1531 if (ret < 0) {
1532 hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
1533 ret = 0;
1534 }
1535
1536 out:
1537 kfree(buf);
1538
1539 return ret;
1540 }
1541
1542 static int sixaxis_set_operational_bt(struct hid_device *hdev)
1543 {
1544 static const u8 report[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
1545 u8 *buf;
1546 int ret;
1547
1548 buf = kmemdup(report, sizeof(report), GFP_KERNEL);
1549 if (!buf)
1550 return -ENOMEM;
1551
1552 ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(report),
1553 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
1554
1555 kfree(buf);
1556
1557 return ret;
1558 }
1559
1560 /*
1561 * Request DS4 calibration data for the motion sensors.
1562 * For Bluetooth this also affects the operating mode (see below).
1563 */
1564 static int dualshock4_get_calibration_data(struct sony_sc *sc)
1565 {
1566 u8 *buf;
1567 int ret;
1568 short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus;
1569 short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus;
1570 short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus;
1571 short gyro_speed_plus, gyro_speed_minus;
1572 short acc_x_plus, acc_x_minus;
1573 short acc_y_plus, acc_y_minus;
1574 short acc_z_plus, acc_z_minus;
1575 int speed_2x;
1576 int range_2g;
1577
1578 /* For Bluetooth we use a different request, which supports CRC.
1579 * Note: in Bluetooth mode feature report 0x02 also changes the state
1580 * of the controller, so that it sends input reports of type 0x11.
1581 */
1582 if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
1583 buf = kmalloc(DS4_FEATURE_REPORT_0x02_SIZE, GFP_KERNEL);
1584 if (!buf)
1585 return -ENOMEM;
1586
1587 ret = hid_hw_raw_request(sc->hdev, 0x02, buf,
1588 DS4_FEATURE_REPORT_0x02_SIZE,
1589 HID_FEATURE_REPORT,
1590 HID_REQ_GET_REPORT);
1591 if (ret < 0)
1592 goto err_stop;
1593 } else {
1594 u8 bthdr = 0xA3;
1595 u32 crc;
1596 u32 report_crc;
1597 int retries;
1598
1599 buf = kmalloc(DS4_FEATURE_REPORT_0x05_SIZE, GFP_KERNEL);
1600 if (!buf)
1601 return -ENOMEM;
1602
1603 for (retries = 0; retries < 3; retries++) {
1604 ret = hid_hw_raw_request(sc->hdev, 0x05, buf,
1605 DS4_FEATURE_REPORT_0x05_SIZE,
1606 HID_FEATURE_REPORT,
1607 HID_REQ_GET_REPORT);
1608 if (ret < 0)
1609 goto err_stop;
1610
1611 /* CRC check */
1612 crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
1613 crc = ~crc32_le(crc, buf, DS4_FEATURE_REPORT_0x05_SIZE-4);
1614 report_crc = get_unaligned_le32(&buf[DS4_FEATURE_REPORT_0x05_SIZE-4]);
1615 if (crc != report_crc) {
1616 hid_warn(sc->hdev, "DualShock 4 calibration report's CRC check failed, received crc 0x%0x != 0x%0x\n",
1617 report_crc, crc);
1618 if (retries < 2) {
1619 hid_warn(sc->hdev, "Retrying DualShock 4 get calibration report request\n");
1620 continue;
1621 } else {
1622 ret = -EILSEQ;
1623 goto err_stop;
1624 }
1625 } else {
1626 break;
1627 }
1628 }
1629 }
1630
1631 gyro_pitch_bias = get_unaligned_le16(&buf[1]);
1632 gyro_yaw_bias = get_unaligned_le16(&buf[3]);
1633 gyro_roll_bias = get_unaligned_le16(&buf[5]);
1634 if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
1635 gyro_pitch_plus = get_unaligned_le16(&buf[7]);
1636 gyro_pitch_minus = get_unaligned_le16(&buf[9]);
1637 gyro_yaw_plus = get_unaligned_le16(&buf[11]);
1638 gyro_yaw_minus = get_unaligned_le16(&buf[13]);
1639 gyro_roll_plus = get_unaligned_le16(&buf[15]);
1640 gyro_roll_minus = get_unaligned_le16(&buf[17]);
1641 } else {
1642 /* BT + Dongle */
1643 gyro_pitch_plus = get_unaligned_le16(&buf[7]);
1644 gyro_yaw_plus = get_unaligned_le16(&buf[9]);
1645 gyro_roll_plus = get_unaligned_le16(&buf[11]);
1646 gyro_pitch_minus = get_unaligned_le16(&buf[13]);
1647 gyro_yaw_minus = get_unaligned_le16(&buf[15]);
1648 gyro_roll_minus = get_unaligned_le16(&buf[17]);
1649 }
1650 gyro_speed_plus = get_unaligned_le16(&buf[19]);
1651 gyro_speed_minus = get_unaligned_le16(&buf[21]);
1652 acc_x_plus = get_unaligned_le16(&buf[23]);
1653 acc_x_minus = get_unaligned_le16(&buf[25]);
1654 acc_y_plus = get_unaligned_le16(&buf[27]);
1655 acc_y_minus = get_unaligned_le16(&buf[29]);
1656 acc_z_plus = get_unaligned_le16(&buf[31]);
1657 acc_z_minus = get_unaligned_le16(&buf[33]);
1658
1659 /* Set gyroscope calibration and normalization parameters.
1660 * Data values will be normalized to 1/DS4_GYRO_RES_PER_DEG_S degree/s.
1661 */
1662 speed_2x = (gyro_speed_plus + gyro_speed_minus);
1663 sc->ds4_calib_data[0].abs_code = ABS_RX;
1664 sc->ds4_calib_data[0].bias = gyro_pitch_bias;
1665 sc->ds4_calib_data[0].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
1666 sc->ds4_calib_data[0].sens_denom = gyro_pitch_plus - gyro_pitch_minus;
1667
1668 sc->ds4_calib_data[1].abs_code = ABS_RY;
1669 sc->ds4_calib_data[1].bias = gyro_yaw_bias;
1670 sc->ds4_calib_data[1].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
1671 sc->ds4_calib_data[1].sens_denom = gyro_yaw_plus - gyro_yaw_minus;
1672
1673 sc->ds4_calib_data[2].abs_code = ABS_RZ;
1674 sc->ds4_calib_data[2].bias = gyro_roll_bias;
1675 sc->ds4_calib_data[2].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S;
1676 sc->ds4_calib_data[2].sens_denom = gyro_roll_plus - gyro_roll_minus;
1677
1678 /* Set accelerometer calibration and normalization parameters.
1679 * Data values will be normalized to 1/DS4_ACC_RES_PER_G G.
1680 */
1681 range_2g = acc_x_plus - acc_x_minus;
1682 sc->ds4_calib_data[3].abs_code = ABS_X;
1683 sc->ds4_calib_data[3].bias = acc_x_plus - range_2g / 2;
1684 sc->ds4_calib_data[3].sens_numer = 2*DS4_ACC_RES_PER_G;
1685 sc->ds4_calib_data[3].sens_denom = range_2g;
1686
1687 range_2g = acc_y_plus - acc_y_minus;
1688 sc->ds4_calib_data[4].abs_code = ABS_Y;
1689 sc->ds4_calib_data[4].bias = acc_y_plus - range_2g / 2;
1690 sc->ds4_calib_data[4].sens_numer = 2*DS4_ACC_RES_PER_G;
1691 sc->ds4_calib_data[4].sens_denom = range_2g;
1692
1693 range_2g = acc_z_plus - acc_z_minus;
1694 sc->ds4_calib_data[5].abs_code = ABS_Z;
1695 sc->ds4_calib_data[5].bias = acc_z_plus - range_2g / 2;
1696 sc->ds4_calib_data[5].sens_numer = 2*DS4_ACC_RES_PER_G;
1697 sc->ds4_calib_data[5].sens_denom = range_2g;
1698
1699 err_stop:
1700 kfree(buf);
1701 return ret;
1702 }
1703
1704 static void dualshock4_calibration_work(struct work_struct *work)
1705 {
1706 struct sony_sc *sc = container_of(work, struct sony_sc, hotplug_worker);
1707 unsigned long flags;
1708 enum ds4_dongle_state dongle_state;
1709 int ret;
1710
1711 ret = dualshock4_get_calibration_data(sc);
1712 if (ret < 0) {
1713 /* This call is very unlikely to fail for the dongle. When it
1714 * fails we are probably in a very bad state, so mark the
1715 * dongle as disabled. We will re-enable the dongle if a new
1716 * DS4 hotplug is detect from sony_raw_event as any issues
1717 * are likely resolved then (the dongle is quite stupid).
1718 */
1719 hid_err(sc->hdev, "DualShock 4 USB dongle: calibration failed, disabling device\n");
1720 dongle_state = DONGLE_DISABLED;
1721 } else {
1722 hid_info(sc->hdev, "DualShock 4 USB dongle: calibration completed\n");
1723 dongle_state = DONGLE_CONNECTED;
1724 }
1725
1726 spin_lock_irqsave(&sc->lock, flags);
1727 sc->ds4_dongle_state = dongle_state;
1728 spin_unlock_irqrestore(&sc->lock, flags);
1729 }
1730
1731 static int dualshock4_get_version_info(struct sony_sc *sc)
1732 {
1733 u8 *buf;
1734 int ret;
1735
1736 buf = kmalloc(DS4_FEATURE_REPORT_0xA3_SIZE, GFP_KERNEL);
1737 if (!buf)
1738 return -ENOMEM;
1739
1740 ret = hid_hw_raw_request(sc->hdev, 0xA3, buf,
1741 DS4_FEATURE_REPORT_0xA3_SIZE,
1742 HID_FEATURE_REPORT,
1743 HID_REQ_GET_REPORT);
1744 if (ret < 0) {
1745 kfree(buf);
1746 return ret;
1747 }
1748
1749 sc->hw_version = get_unaligned_le16(&buf[35]);
1750 sc->fw_version = get_unaligned_le16(&buf[41]);
1751
1752 kfree(buf);
1753 return 0;
1754 }
1755
1756 static void sixaxis_set_leds_from_id(struct sony_sc *sc)
1757 {
1758 static const u8 sixaxis_leds[10][4] = {
1759 { 0x01, 0x00, 0x00, 0x00 },
1760 { 0x00, 0x01, 0x00, 0x00 },
1761 { 0x00, 0x00, 0x01, 0x00 },
1762 { 0x00, 0x00, 0x00, 0x01 },
1763 { 0x01, 0x00, 0x00, 0x01 },
1764 { 0x00, 0x01, 0x00, 0x01 },
1765 { 0x00, 0x00, 0x01, 0x01 },
1766 { 0x01, 0x00, 0x01, 0x01 },
1767 { 0x00, 0x01, 0x01, 0x01 },
1768 { 0x01, 0x01, 0x01, 0x01 }
1769 };
1770
1771 int id = sc->device_id;
1772
1773 BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(sixaxis_leds[0]));
1774
1775 if (id < 0)
1776 return;
1777
1778 id %= 10;
1779 memcpy(sc->led_state, sixaxis_leds[id], sizeof(sixaxis_leds[id]));
1780 }
1781
1782 static void dualshock4_set_leds_from_id(struct sony_sc *sc)
1783 {
1784 /* The first 4 color/index entries match what the PS4 assigns */
1785 static const u8 color_code[7][3] = {
1786 /* Blue */ { 0x00, 0x00, 0x40 },
1787 /* Red */ { 0x40, 0x00, 0x00 },
1788 /* Green */ { 0x00, 0x40, 0x00 },
1789 /* Pink */ { 0x20, 0x00, 0x20 },
1790 /* Orange */ { 0x02, 0x01, 0x00 },
1791 /* Teal */ { 0x00, 0x01, 0x01 },
1792 /* White */ { 0x01, 0x01, 0x01 }
1793 };
1794
1795 int id = sc->device_id;
1796
1797 BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(color_code[0]));
1798
1799 if (id < 0)
1800 return;
1801
1802 id %= 7;
1803 memcpy(sc->led_state, color_code[id], sizeof(color_code[id]));
1804 }
1805
1806 static void buzz_set_leds(struct sony_sc *sc)
1807 {
1808 struct hid_device *hdev = sc->hdev;
1809 struct list_head *report_list =
1810 &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
1811 struct hid_report *report = list_entry(report_list->next,
1812 struct hid_report, list);
1813 s32 *value = report->field[0]->value;
1814
1815 BUILD_BUG_ON(MAX_LEDS < 4);
1816
1817 value[0] = 0x00;
1818 value[1] = sc->led_state[0] ? 0xff : 0x00;
1819 value[2] = sc->led_state[1] ? 0xff : 0x00;
1820 value[3] = sc->led_state[2] ? 0xff : 0x00;
1821 value[4] = sc->led_state[3] ? 0xff : 0x00;
1822 value[5] = 0x00;
1823 value[6] = 0x00;
1824 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
1825 }
1826
1827 static void sony_set_leds(struct sony_sc *sc)
1828 {
1829 if (!(sc->quirks & BUZZ_CONTROLLER))
1830 sony_schedule_work(sc, SONY_WORKER_STATE);
1831 else
1832 buzz_set_leds(sc);
1833 }
1834
1835 static void sony_led_set_brightness(struct led_classdev *led,
1836 enum led_brightness value)
1837 {
1838 struct device *dev = led->dev->parent;
1839 struct hid_device *hdev = to_hid_device(dev);
1840 struct sony_sc *drv_data;
1841
1842 int n;
1843 int force_update;
1844
1845 drv_data = hid_get_drvdata(hdev);
1846 if (!drv_data) {
1847 hid_err(hdev, "No device data\n");
1848 return;
1849 }
1850
1851 /*
1852 * The Sixaxis on USB will override any LED settings sent to it
1853 * and keep flashing all of the LEDs until the PS button is pressed.
1854 * Updates, even if redundant, must be always be sent to the
1855 * controller to avoid having to toggle the state of an LED just to
1856 * stop the flashing later on.
1857 */
1858 force_update = !!(drv_data->quirks & SIXAXIS_CONTROLLER_USB);
1859
1860 for (n = 0; n < drv_data->led_count; n++) {
1861 if (led == drv_data->leds[n] && (force_update ||
1862 (value != drv_data->led_state[n] ||
1863 drv_data->led_delay_on[n] ||
1864 drv_data->led_delay_off[n]))) {
1865
1866 drv_data->led_state[n] = value;
1867
1868 /* Setting the brightness stops the blinking */
1869 drv_data->led_delay_on[n] = 0;
1870 drv_data->led_delay_off[n] = 0;
1871
1872 sony_set_leds(drv_data);
1873 break;
1874 }
1875 }
1876 }
1877
1878 static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
1879 {
1880 struct device *dev = led->dev->parent;
1881 struct hid_device *hdev = to_hid_device(dev);
1882 struct sony_sc *drv_data;
1883
1884 int n;
1885
1886 drv_data = hid_get_drvdata(hdev);
1887 if (!drv_data) {
1888 hid_err(hdev, "No device data\n");
1889 return LED_OFF;
1890 }
1891
1892 for (n = 0; n < drv_data->led_count; n++) {
1893 if (led == drv_data->leds[n])
1894 return drv_data->led_state[n];
1895 }
1896
1897 return LED_OFF;
1898 }
1899
1900 static int sony_led_blink_set(struct led_classdev *led, unsigned long *delay_on,
1901 unsigned long *delay_off)
1902 {
1903 struct device *dev = led->dev->parent;
1904 struct hid_device *hdev = to_hid_device(dev);
1905 struct sony_sc *drv_data = hid_get_drvdata(hdev);
1906 int n;
1907 u8 new_on, new_off;
1908
1909 if (!drv_data) {
1910 hid_err(hdev, "No device data\n");
1911 return -EINVAL;
1912 }
1913
1914 /* Max delay is 255 deciseconds or 2550 milliseconds */
1915 if (*delay_on > 2550)
1916 *delay_on = 2550;
1917 if (*delay_off > 2550)
1918 *delay_off = 2550;
1919
1920 /* Blink at 1 Hz if both values are zero */
1921 if (!*delay_on && !*delay_off)
1922 *delay_on = *delay_off = 500;
1923
1924 new_on = *delay_on / 10;
1925 new_off = *delay_off / 10;
1926
1927 for (n = 0; n < drv_data->led_count; n++) {
1928 if (led == drv_data->leds[n])
1929 break;
1930 }
1931
1932 /* This LED is not registered on this device */
1933 if (n >= drv_data->led_count)
1934 return -EINVAL;
1935
1936 /* Don't schedule work if the values didn't change */
1937 if (new_on != drv_data->led_delay_on[n] ||
1938 new_off != drv_data->led_delay_off[n]) {
1939 drv_data->led_delay_on[n] = new_on;
1940 drv_data->led_delay_off[n] = new_off;
1941 sony_schedule_work(drv_data, SONY_WORKER_STATE);
1942 }
1943
1944 return 0;
1945 }
1946
1947 static int sony_leds_init(struct sony_sc *sc)
1948 {
1949 struct hid_device *hdev = sc->hdev;
1950 int n, ret = 0;
1951 int use_ds4_names;
1952 struct led_classdev *led;
1953 size_t name_sz;
1954 char *name;
1955 size_t name_len;
1956 const char *name_fmt;
1957 static const char * const ds4_name_str[] = { "red", "green", "blue",
1958 "global" };
1959 u8 max_brightness[MAX_LEDS] = { [0 ... (MAX_LEDS - 1)] = 1 };
1960 u8 use_hw_blink[MAX_LEDS] = { 0 };
1961
1962 BUG_ON(!(sc->quirks & SONY_LED_SUPPORT));
1963
1964 if (sc->quirks & BUZZ_CONTROLLER) {
1965 sc->led_count = 4;
1966 use_ds4_names = 0;
1967 name_len = strlen("::buzz#");
1968 name_fmt = "%s::buzz%d";
1969 /* Validate expected report characteristics. */
1970 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7))
1971 return -ENODEV;
1972 } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
1973 dualshock4_set_leds_from_id(sc);
1974 sc->led_state[3] = 1;
1975 sc->led_count = 4;
1976 memset(max_brightness, 255, 3);
1977 use_hw_blink[3] = 1;
1978 use_ds4_names = 1;
1979 name_len = 0;
1980 name_fmt = "%s:%s";
1981 } else if (sc->quirks & MOTION_CONTROLLER) {
1982 sc->led_count = 3;
1983 memset(max_brightness, 255, 3);
1984 use_ds4_names = 1;
1985 name_len = 0;
1986 name_fmt = "%s:%s";
1987 } else if (sc->quirks & NAVIGATION_CONTROLLER) {
1988 static const u8 navigation_leds[4] = {0x01, 0x00, 0x00, 0x00};
1989
1990 memcpy(sc->led_state, navigation_leds, sizeof(navigation_leds));
1991 sc->led_count = 1;
1992 memset(use_hw_blink, 1, 4);
1993 use_ds4_names = 0;
1994 name_len = strlen("::sony#");
1995 name_fmt = "%s::sony%d";
1996 } else {
1997 sixaxis_set_leds_from_id(sc);
1998 sc->led_count = 4;
1999 memset(use_hw_blink, 1, 4);
2000 use_ds4_names = 0;
2001 name_len = strlen("::sony#");
2002 name_fmt = "%s::sony%d";
2003 }
2004
2005 /*
2006 * Clear LEDs as we have no way of reading their initial state. This is
2007 * only relevant if the driver is loaded after somebody actively set the
2008 * LEDs to on
2009 */
2010 sony_set_leds(sc);
2011
2012 name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1;
2013
2014 for (n = 0; n < sc->led_count; n++) {
2015
2016 if (use_ds4_names)
2017 name_sz = strlen(dev_name(&hdev->dev)) + strlen(ds4_name_str[n]) + 2;
2018
2019 led = devm_kzalloc(&hdev->dev, sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
2020 if (!led) {
2021 hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
2022 return -ENOMEM;
2023 }
2024
2025 name = (void *)(&led[1]);
2026 if (use_ds4_names)
2027 snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev),
2028 ds4_name_str[n]);
2029 else
2030 snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), n + 1);
2031 led->name = name;
2032 led->brightness = sc->led_state[n];
2033 led->max_brightness = max_brightness[n];
2034 led->flags = LED_CORE_SUSPENDRESUME;
2035 led->brightness_get = sony_led_get_brightness;
2036 led->brightness_set = sony_led_set_brightness;
2037
2038 if (use_hw_blink[n])
2039 led->blink_set = sony_led_blink_set;
2040
2041 sc->leds[n] = led;
2042
2043 ret = devm_led_classdev_register(&hdev->dev, led);
2044 if (ret) {
2045 hid_err(hdev, "Failed to register LED %d\n", n);
2046 return ret;
2047 }
2048 }
2049
2050 return 0;
2051 }
2052
2053 static void sixaxis_send_output_report(struct sony_sc *sc)
2054 {
2055 static const union sixaxis_output_report_01 default_report = {
2056 .buf = {
2057 0x01,
2058 0x01, 0xff, 0x00, 0xff, 0x00,
2059 0x00, 0x00, 0x00, 0x00, 0x00,
2060 0xff, 0x27, 0x10, 0x00, 0x32,
2061 0xff, 0x27, 0x10, 0x00, 0x32,
2062 0xff, 0x27, 0x10, 0x00, 0x32,
2063 0xff, 0x27, 0x10, 0x00, 0x32,
2064 0x00, 0x00, 0x00, 0x00, 0x00
2065 }
2066 };
2067 struct sixaxis_output_report *report =
2068 (struct sixaxis_output_report *)sc->output_report_dmabuf;
2069 int n;
2070
2071 /* Initialize the report with default values */
2072 memcpy(report, &default_report, sizeof(struct sixaxis_output_report));
2073
2074 #ifdef CONFIG_SONY_FF
2075 report->rumble.right_motor_on = sc->right ? 1 : 0;
2076 report->rumble.left_motor_force = sc->left;
2077 #endif
2078
2079 report->leds_bitmap |= sc->led_state[0] << 1;
2080 report->leds_bitmap |= sc->led_state[1] << 2;
2081 report->leds_bitmap |= sc->led_state[2] << 3;
2082 report->leds_bitmap |= sc->led_state[3] << 4;
2083
2084 /* Set flag for all leds off, required for 3rd party INTEC controller */
2085 if ((report->leds_bitmap & 0x1E) == 0)
2086 report->leds_bitmap |= 0x20;
2087
2088 /*
2089 * The LEDs in the report are indexed in reverse order to their
2090 * corresponding light on the controller.
2091 * Index 0 = LED 4, index 1 = LED 3, etc...
2092 *
2093 * In the case of both delay values being zero (blinking disabled) the
2094 * default report values should be used or the controller LED will be
2095 * always off.
2096 */
2097 for (n = 0; n < 4; n++) {
2098 if (sc->led_delay_on[n] || sc->led_delay_off[n]) {
2099 report->led[3 - n].duty_off = sc->led_delay_off[n];
2100 report->led[3 - n].duty_on = sc->led_delay_on[n];
2101 }
2102 }
2103
2104 /* SHANWAN controllers require output reports via intr channel */
2105 if (sc->quirks & SHANWAN_GAMEPAD)
2106 hid_hw_output_report(sc->hdev, (u8 *)report,
2107 sizeof(struct sixaxis_output_report));
2108 else
2109 hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report,
2110 sizeof(struct sixaxis_output_report),
2111 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
2112 }
2113
2114 static void dualshock4_send_output_report(struct sony_sc *sc)
2115 {
2116 struct hid_device *hdev = sc->hdev;
2117 u8 *buf = sc->output_report_dmabuf;
2118 int offset;
2119
2120 /*
2121 * NOTE: The lower 6 bits of buf[1] field of the Bluetooth report
2122 * control the interval at which Dualshock 4 reports data:
2123 * 0x00 - 1ms
2124 * 0x01 - 1ms
2125 * 0x02 - 2ms
2126 * 0x3E - 62ms
2127 * 0x3F - disabled
2128 */
2129 if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
2130 memset(buf, 0, DS4_OUTPUT_REPORT_0x05_SIZE);
2131 buf[0] = 0x05;
2132 buf[1] = 0x07; /* blink + LEDs + motor */
2133 offset = 4;
2134 } else {
2135 memset(buf, 0, DS4_OUTPUT_REPORT_0x11_SIZE);
2136 buf[0] = 0x11;
2137 buf[1] = 0xC0 /* HID + CRC */ | sc->ds4_bt_poll_interval;
2138 buf[3] = 0x07; /* blink + LEDs + motor */
2139 offset = 6;
2140 }
2141
2142 #ifdef CONFIG_SONY_FF
2143 buf[offset++] = sc->right;
2144 buf[offset++] = sc->left;
2145 #else
2146 offset += 2;
2147 #endif
2148
2149 /* LED 3 is the global control */
2150 if (sc->led_state[3]) {
2151 buf[offset++] = sc->led_state[0];
2152 buf[offset++] = sc->led_state[1];
2153 buf[offset++] = sc->led_state[2];
2154 } else {
2155 offset += 3;
2156 }
2157
2158 /* If both delay values are zero the DualShock 4 disables blinking. */
2159 buf[offset++] = sc->led_delay_on[3];
2160 buf[offset++] = sc->led_delay_off[3];
2161
2162 if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE))
2163 hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x05_SIZE);
2164 else {
2165 /* CRC generation */
2166 u8 bthdr = 0xA2;
2167 u32 crc;
2168
2169 crc = crc32_le(0xFFFFFFFF, &bthdr, 1);
2170 crc = ~crc32_le(crc, buf, DS4_OUTPUT_REPORT_0x11_SIZE-4);
2171 put_unaligned_le32(crc, &buf[74]);
2172 hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x11_SIZE);
2173 }
2174 }
2175
2176 static void motion_send_output_report(struct sony_sc *sc)
2177 {
2178 struct hid_device *hdev = sc->hdev;
2179 struct motion_output_report_02 *report =
2180 (struct motion_output_report_02 *)sc->output_report_dmabuf;
2181
2182 memset(report, 0, MOTION_REPORT_0x02_SIZE);
2183
2184 report->type = 0x02; /* set leds */
2185 report->r = sc->led_state[0];
2186 report->g = sc->led_state[1];
2187 report->b = sc->led_state[2];
2188
2189 #ifdef CONFIG_SONY_FF
2190 report->rumble = max(sc->right, sc->left);
2191 #endif
2192
2193 hid_hw_output_report(hdev, (u8 *)report, MOTION_REPORT_0x02_SIZE);
2194 }
2195
2196 static inline void sony_send_output_report(struct sony_sc *sc)
2197 {
2198 if (sc->send_output_report)
2199 sc->send_output_report(sc);
2200 }
2201
2202 static void sony_state_worker(struct work_struct *work)
2203 {
2204 struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
2205
2206 sc->send_output_report(sc);
2207 }
2208
2209 static int sony_allocate_output_report(struct sony_sc *sc)
2210 {
2211 if ((sc->quirks & SIXAXIS_CONTROLLER) ||
2212 (sc->quirks & NAVIGATION_CONTROLLER))
2213 sc->output_report_dmabuf =
2214 devm_kmalloc(&sc->hdev->dev,
2215 sizeof(union sixaxis_output_report_01),
2216 GFP_KERNEL);
2217 else if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
2218 sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
2219 DS4_OUTPUT_REPORT_0x11_SIZE,
2220 GFP_KERNEL);
2221 else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE))
2222 sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
2223 DS4_OUTPUT_REPORT_0x05_SIZE,
2224 GFP_KERNEL);
2225 else if (sc->quirks & MOTION_CONTROLLER)
2226 sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
2227 MOTION_REPORT_0x02_SIZE,
2228 GFP_KERNEL);
2229 else
2230 return 0;
2231
2232 if (!sc->output_report_dmabuf)
2233 return -ENOMEM;
2234
2235 return 0;
2236 }
2237
2238 #ifdef CONFIG_SONY_FF
2239 static int sony_play_effect(struct input_dev *dev, void *data,
2240 struct ff_effect *effect)
2241 {
2242 struct hid_device *hid = input_get_drvdata(dev);
2243 struct sony_sc *sc = hid_get_drvdata(hid);
2244
2245 if (effect->type != FF_RUMBLE)
2246 return 0;
2247
2248 sc->left = effect->u.rumble.strong_magnitude / 256;
2249 sc->right = effect->u.rumble.weak_magnitude / 256;
2250
2251 sony_schedule_work(sc, SONY_WORKER_STATE);
2252 return 0;
2253 }
2254
2255 static int sony_init_ff(struct sony_sc *sc)
2256 {
2257 struct hid_input *hidinput;
2258 struct input_dev *input_dev;
2259
2260 if (list_empty(&sc->hdev->inputs)) {
2261 hid_err(sc->hdev, "no inputs found\n");
2262 return -ENODEV;
2263 }
2264 hidinput = list_entry(sc->hdev->inputs.next, struct hid_input, list);
2265 input_dev = hidinput->input;
2266
2267 input_set_capability(input_dev, EV_FF, FF_RUMBLE);
2268 return input_ff_create_memless(input_dev, NULL, sony_play_effect);
2269 }
2270
2271 #else
2272 static int sony_init_ff(struct sony_sc *sc)
2273 {
2274 return 0;
2275 }
2276
2277 #endif
2278
2279 static int sony_battery_get_property(struct power_supply *psy,
2280 enum power_supply_property psp,
2281 union power_supply_propval *val)
2282 {
2283 struct sony_sc *sc = power_supply_get_drvdata(psy);
2284 unsigned long flags;
2285 int ret = 0;
2286 u8 battery_charging, battery_capacity, cable_state;
2287
2288 spin_lock_irqsave(&sc->lock, flags);
2289 battery_charging = sc->battery_charging;
2290 battery_capacity = sc->battery_capacity;
2291 cable_state = sc->cable_state;
2292 spin_unlock_irqrestore(&sc->lock, flags);
2293
2294 switch (psp) {
2295 case POWER_SUPPLY_PROP_PRESENT:
2296 val->intval = 1;
2297 break;
2298 case POWER_SUPPLY_PROP_SCOPE:
2299 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
2300 break;
2301 case POWER_SUPPLY_PROP_CAPACITY:
2302 val->intval = battery_capacity;
2303 break;
2304 case POWER_SUPPLY_PROP_STATUS:
2305 if (battery_charging)
2306 val->intval = POWER_SUPPLY_STATUS_CHARGING;
2307 else
2308 if (battery_capacity == 100 && cable_state)
2309 val->intval = POWER_SUPPLY_STATUS_FULL;
2310 else
2311 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
2312 break;
2313 default:
2314 ret = -EINVAL;
2315 break;
2316 }
2317 return ret;
2318 }
2319
2320 static int sony_battery_probe(struct sony_sc *sc, int append_dev_id)
2321 {
2322 const char *battery_str_fmt = append_dev_id ?
2323 "sony_controller_battery_%pMR_%i" :
2324 "sony_controller_battery_%pMR";
2325 struct power_supply_config psy_cfg = { .drv_data = sc, };
2326 struct hid_device *hdev = sc->hdev;
2327 int ret;
2328
2329 /*
2330 * Set the default battery level to 100% to avoid low battery warnings
2331 * if the battery is polled before the first device report is received.
2332 */
2333 sc->battery_capacity = 100;
2334
2335 sc->battery_desc.properties = sony_battery_props;
2336 sc->battery_desc.num_properties = ARRAY_SIZE(sony_battery_props);
2337 sc->battery_desc.get_property = sony_battery_get_property;
2338 sc->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
2339 sc->battery_desc.use_for_apm = 0;
2340 sc->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
2341 battery_str_fmt, sc->mac_address, sc->device_id);
2342 if (!sc->battery_desc.name)
2343 return -ENOMEM;
2344
2345 sc->battery = devm_power_supply_register(&hdev->dev, &sc->battery_desc,
2346 &psy_cfg);
2347 if (IS_ERR(sc->battery)) {
2348 ret = PTR_ERR(sc->battery);
2349 hid_err(hdev, "Unable to register battery device\n");
2350 return ret;
2351 }
2352
2353 power_supply_powers(sc->battery, &hdev->dev);
2354 return 0;
2355 }
2356
2357 /*
2358 * If a controller is plugged in via USB while already connected via Bluetooth
2359 * it will show up as two devices. A global list of connected controllers and
2360 * their MAC addresses is maintained to ensure that a device is only connected
2361 * once.
2362 *
2363 * Some USB-only devices masquerade as Sixaxis controllers and all have the
2364 * same dummy Bluetooth address, so a comparison of the connection type is
2365 * required. Devices are only rejected in the case where two devices have
2366 * matching Bluetooth addresses on different bus types.
2367 */
2368 static inline int sony_compare_connection_type(struct sony_sc *sc0,
2369 struct sony_sc *sc1)
2370 {
2371 const int sc0_not_bt = !(sc0->quirks & SONY_BT_DEVICE);
2372 const int sc1_not_bt = !(sc1->quirks & SONY_BT_DEVICE);
2373
2374 return sc0_not_bt == sc1_not_bt;
2375 }
2376
2377 static int sony_check_add_dev_list(struct sony_sc *sc)
2378 {
2379 struct sony_sc *entry;
2380 unsigned long flags;
2381 int ret;
2382
2383 spin_lock_irqsave(&sony_dev_list_lock, flags);
2384
2385 list_for_each_entry(entry, &sony_device_list, list_node) {
2386 ret = memcmp(sc->mac_address, entry->mac_address,
2387 sizeof(sc->mac_address));
2388 if (!ret) {
2389 if (sony_compare_connection_type(sc, entry)) {
2390 ret = 1;
2391 } else {
2392 ret = -EEXIST;
2393 hid_info(sc->hdev,
2394 "controller with MAC address %pMR already connected\n",
2395 sc->mac_address);
2396 }
2397 goto unlock;
2398 }
2399 }
2400
2401 ret = 0;
2402 list_add(&(sc->list_node), &sony_device_list);
2403
2404 unlock:
2405 spin_unlock_irqrestore(&sony_dev_list_lock, flags);
2406 return ret;
2407 }
2408
2409 static void sony_remove_dev_list(struct sony_sc *sc)
2410 {
2411 unsigned long flags;
2412
2413 if (sc->list_node.next) {
2414 spin_lock_irqsave(&sony_dev_list_lock, flags);
2415 list_del(&(sc->list_node));
2416 spin_unlock_irqrestore(&sony_dev_list_lock, flags);
2417 }
2418 }
2419
2420 static int sony_get_bt_devaddr(struct sony_sc *sc)
2421 {
2422 int ret;
2423
2424 /* HIDP stores the device MAC address as a string in the uniq field. */
2425 ret = strlen(sc->hdev->uniq);
2426 if (ret != 17)
2427 return -EINVAL;
2428
2429 ret = sscanf(sc->hdev->uniq,
2430 "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
2431 &sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3],
2432 &sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]);
2433
2434 if (ret != 6)
2435 return -EINVAL;
2436
2437 return 0;
2438 }
2439
2440 static int sony_check_add(struct sony_sc *sc)
2441 {
2442 u8 *buf = NULL;
2443 int n, ret;
2444
2445 if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) ||
2446 (sc->quirks & MOTION_CONTROLLER_BT) ||
2447 (sc->quirks & NAVIGATION_CONTROLLER_BT) ||
2448 (sc->quirks & SIXAXIS_CONTROLLER_BT)) {
2449 /*
2450 * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC
2451 * address from the uniq string where HIDP stores it.
2452 * As uniq cannot be guaranteed to be a MAC address in all cases
2453 * a failure of this function should not prevent the connection.
2454 */
2455 if (sony_get_bt_devaddr(sc) < 0) {
2456 hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n");
2457 return 0;
2458 }
2459 } else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) {
2460 buf = kmalloc(DS4_FEATURE_REPORT_0x81_SIZE, GFP_KERNEL);
2461 if (!buf)
2462 return -ENOMEM;
2463
2464 /*
2465 * The MAC address of a DS4 controller connected via USB can be
2466 * retrieved with feature report 0x81. The address begins at
2467 * offset 1.
2468 */
2469 ret = hid_hw_raw_request(sc->hdev, 0x81, buf,
2470 DS4_FEATURE_REPORT_0x81_SIZE, HID_FEATURE_REPORT,
2471 HID_REQ_GET_REPORT);
2472
2473 if (ret != DS4_FEATURE_REPORT_0x81_SIZE) {
2474 hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n");
2475 ret = ret < 0 ? ret : -EINVAL;
2476 goto out_free;
2477 }
2478
2479 memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
2480
2481 snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
2482 "%pMR", sc->mac_address);
2483 } else if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
2484 (sc->quirks & NAVIGATION_CONTROLLER_USB)) {
2485 buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL);
2486 if (!buf)
2487 return -ENOMEM;
2488
2489 /*
2490 * The MAC address of a Sixaxis controller connected via USB can
2491 * be retrieved with feature report 0xf2. The address begins at
2492 * offset 4.
2493 */
2494 ret = hid_hw_raw_request(sc->hdev, 0xf2, buf,
2495 SIXAXIS_REPORT_0xF2_SIZE, HID_FEATURE_REPORT,
2496 HID_REQ_GET_REPORT);
2497
2498 if (ret != SIXAXIS_REPORT_0xF2_SIZE) {
2499 hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n");
2500 ret = ret < 0 ? ret : -EINVAL;
2501 goto out_free;
2502 }
2503
2504 /*
2505 * The Sixaxis device MAC in the report is big-endian and must
2506 * be byte-swapped.
2507 */
2508 for (n = 0; n < 6; n++)
2509 sc->mac_address[5-n] = buf[4+n];
2510
2511 snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
2512 "%pMR", sc->mac_address);
2513 } else {
2514 return 0;
2515 }
2516
2517 ret = sony_check_add_dev_list(sc);
2518
2519 out_free:
2520
2521 kfree(buf);
2522
2523 return ret;
2524 }
2525
2526 static int sony_set_device_id(struct sony_sc *sc)
2527 {
2528 int ret;
2529
2530 /*
2531 * Only DualShock 4 or Sixaxis controllers get an id.
2532 * All others are set to -1.
2533 */
2534 if ((sc->quirks & SIXAXIS_CONTROLLER) ||
2535 (sc->quirks & DUALSHOCK4_CONTROLLER)) {
2536 ret = ida_simple_get(&sony_device_id_allocator, 0, 0,
2537 GFP_KERNEL);
2538 if (ret < 0) {
2539 sc->device_id = -1;
2540 return ret;
2541 }
2542 sc->device_id = ret;
2543 } else {
2544 sc->device_id = -1;
2545 }
2546
2547 return 0;
2548 }
2549
2550 static void sony_release_device_id(struct sony_sc *sc)
2551 {
2552 if (sc->device_id >= 0) {
2553 ida_simple_remove(&sony_device_id_allocator, sc->device_id);
2554 sc->device_id = -1;
2555 }
2556 }
2557
2558 static inline void sony_init_output_report(struct sony_sc *sc,
2559 void (*send_output_report)(struct sony_sc *))
2560 {
2561 sc->send_output_report = send_output_report;
2562
2563 if (!sc->state_worker_initialized)
2564 INIT_WORK(&sc->state_worker, sony_state_worker);
2565
2566 sc->state_worker_initialized = 1;
2567 }
2568
2569 static inline void sony_cancel_work_sync(struct sony_sc *sc)
2570 {
2571 unsigned long flags;
2572
2573 if (sc->hotplug_worker_initialized)
2574 cancel_work_sync(&sc->hotplug_worker);
2575 if (sc->state_worker_initialized) {
2576 spin_lock_irqsave(&sc->lock, flags);
2577 sc->state_worker_initialized = 0;
2578 spin_unlock_irqrestore(&sc->lock, flags);
2579 cancel_work_sync(&sc->state_worker);
2580 }
2581 }
2582
2583 static int sony_input_configured(struct hid_device *hdev,
2584 struct hid_input *hidinput)
2585 {
2586 struct sony_sc *sc = hid_get_drvdata(hdev);
2587 int append_dev_id;
2588 int ret;
2589
2590 ret = sony_set_device_id(sc);
2591 if (ret < 0) {
2592 hid_err(hdev, "failed to allocate the device id\n");
2593 goto err_stop;
2594 }
2595
2596 ret = append_dev_id = sony_check_add(sc);
2597 if (ret < 0)
2598 goto err_stop;
2599
2600 ret = sony_allocate_output_report(sc);
2601 if (ret < 0) {
2602 hid_err(hdev, "failed to allocate the output report buffer\n");
2603 goto err_stop;
2604 }
2605
2606 if (sc->quirks & NAVIGATION_CONTROLLER_USB) {
2607 /*
2608 * The Sony Sixaxis does not handle HID Output Reports on the
2609 * Interrupt EP like it could, so we need to force HID Output
2610 * Reports to use HID_REQ_SET_REPORT on the Control EP.
2611 *
2612 * There is also another issue about HID Output Reports via USB,
2613 * the Sixaxis does not want the report_id as part of the data
2614 * packet, so we have to discard buf[0] when sending the actual
2615 * control message, even for numbered reports, humpf!
2616 *
2617 * Additionally, the Sixaxis on USB isn't properly initialized
2618 * until the PS logo button is pressed and as such won't retain
2619 * any state set by an output report, so the initial
2620 * configuration report is deferred until the first input
2621 * report arrives.
2622 */
2623 hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2624 hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
2625 sc->defer_initialization = 1;
2626
2627 ret = sixaxis_set_operational_usb(hdev);
2628 if (ret < 0) {
2629 hid_err(hdev, "Failed to set controller into operational mode\n");
2630 goto err_stop;
2631 }
2632
2633 sony_init_output_report(sc, sixaxis_send_output_report);
2634 } else if (sc->quirks & NAVIGATION_CONTROLLER_BT) {
2635 /*
2636 * The Navigation controller wants output reports sent on the ctrl
2637 * endpoint when connected via Bluetooth.
2638 */
2639 hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2640
2641 ret = sixaxis_set_operational_bt(hdev);
2642 if (ret < 0) {
2643 hid_err(hdev, "Failed to set controller into operational mode\n");
2644 goto err_stop;
2645 }
2646
2647 sony_init_output_report(sc, sixaxis_send_output_report);
2648 } else if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
2649 /*
2650 * The Sony Sixaxis does not handle HID Output Reports on the
2651 * Interrupt EP and the device only becomes active when the
2652 * PS button is pressed. See comment for Navigation controller
2653 * above for more details.
2654 */
2655 hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2656 hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
2657 sc->defer_initialization = 1;
2658
2659 ret = sixaxis_set_operational_usb(hdev);
2660 if (ret < 0) {
2661 hid_err(hdev, "Failed to set controller into operational mode\n");
2662 goto err_stop;
2663 }
2664
2665 ret = sony_register_sensors(sc);
2666 if (ret) {
2667 hid_err(sc->hdev,
2668 "Unable to initialize motion sensors: %d\n", ret);
2669 goto err_stop;
2670 }
2671
2672 sony_init_output_report(sc, sixaxis_send_output_report);
2673 } else if (sc->quirks & SIXAXIS_CONTROLLER_BT) {
2674 /*
2675 * The Sixaxis wants output reports sent on the ctrl endpoint
2676 * when connected via Bluetooth.
2677 */
2678 hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
2679
2680 ret = sixaxis_set_operational_bt(hdev);
2681 if (ret < 0) {
2682 hid_err(hdev, "Failed to set controller into operational mode\n");
2683 goto err_stop;
2684 }
2685
2686 ret = sony_register_sensors(sc);
2687 if (ret) {
2688 hid_err(sc->hdev,
2689 "Unable to initialize motion sensors: %d\n", ret);
2690 goto err_stop;
2691 }
2692
2693 sony_init_output_report(sc, sixaxis_send_output_report);
2694 } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
2695 ret = dualshock4_get_calibration_data(sc);
2696 if (ret < 0) {
2697 hid_err(hdev, "Failed to get calibration data from Dualshock 4\n");
2698 goto err_stop;
2699 }
2700
2701 ret = dualshock4_get_version_info(sc);
2702 if (ret < 0) {
2703 hid_err(sc->hdev, "Failed to get version data from Dualshock 4\n");
2704 goto err_stop;
2705 }
2706
2707 ret = device_create_file(&sc->hdev->dev, &dev_attr_firmware_version);
2708 if (ret) {
2709 /* Make zero for cleanup reasons of sysfs entries. */
2710 sc->fw_version = 0;
2711 sc->hw_version = 0;
2712 hid_err(sc->hdev, "can't create sysfs firmware_version attribute err: %d\n", ret);
2713 goto err_stop;
2714 }
2715
2716 ret = device_create_file(&sc->hdev->dev, &dev_attr_hardware_version);
2717 if (ret) {
2718 sc->hw_version = 0;
2719 hid_err(sc->hdev, "can't create sysfs hardware_version attribute err: %d\n", ret);
2720 goto err_stop;
2721 }
2722
2723 /*
2724 * The Dualshock 4 touchpad supports 2 touches and has a
2725 * resolution of 1920x942 (44.86 dots/mm).
2726 */
2727 ret = sony_register_touchpad(sc, 2, 1920, 942, 0, 0, 0);
2728 if (ret) {
2729 hid_err(sc->hdev,
2730 "Unable to initialize multi-touch slots: %d\n",
2731 ret);
2732 goto err_stop;
2733 }
2734
2735 ret = sony_register_sensors(sc);
2736 if (ret) {
2737 hid_err(sc->hdev,
2738 "Unable to initialize motion sensors: %d\n", ret);
2739 goto err_stop;
2740 }
2741
2742 if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) {
2743 sc->ds4_bt_poll_interval = DS4_BT_DEFAULT_POLL_INTERVAL_MS;
2744 ret = device_create_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
2745 if (ret)
2746 hid_warn(sc->hdev,
2747 "can't create sysfs bt_poll_interval attribute err: %d\n",
2748 ret);
2749 }
2750
2751 if (sc->quirks & DUALSHOCK4_DONGLE) {
2752 INIT_WORK(&sc->hotplug_worker, dualshock4_calibration_work);
2753 sc->hotplug_worker_initialized = 1;
2754 sc->ds4_dongle_state = DONGLE_DISCONNECTED;
2755 }
2756
2757 sony_init_output_report(sc, dualshock4_send_output_report);
2758 } else if (sc->quirks & NSG_MRXU_REMOTE) {
2759 /*
2760 * The NSG-MRxU touchpad supports 2 touches and has a
2761 * resolution of 1667x1868
2762 */
2763 ret = sony_register_touchpad(sc, 2,
2764 NSG_MRXU_MAX_X, NSG_MRXU_MAX_Y, 15, 15, 1);
2765 if (ret) {
2766 hid_err(sc->hdev,
2767 "Unable to initialize multi-touch slots: %d\n",
2768 ret);
2769 goto err_stop;
2770 }
2771
2772 } else if (sc->quirks & MOTION_CONTROLLER) {
2773 sony_init_output_report(sc, motion_send_output_report);
2774 } else {
2775 ret = 0;
2776 }
2777
2778 if (sc->quirks & SONY_LED_SUPPORT) {
2779 ret = sony_leds_init(sc);
2780 if (ret < 0)
2781 goto err_stop;
2782 }
2783
2784 if (sc->quirks & SONY_BATTERY_SUPPORT) {
2785 ret = sony_battery_probe(sc, append_dev_id);
2786 if (ret < 0)
2787 goto err_stop;
2788
2789 /* Open the device to receive reports with battery info */
2790 ret = hid_hw_open(hdev);
2791 if (ret < 0) {
2792 hid_err(hdev, "hw open failed\n");
2793 goto err_stop;
2794 }
2795 }
2796
2797 if (sc->quirks & SONY_FF_SUPPORT) {
2798 ret = sony_init_ff(sc);
2799 if (ret < 0)
2800 goto err_close;
2801 }
2802
2803 return 0;
2804 err_close:
2805 hid_hw_close(hdev);
2806 err_stop:
2807 /* Piggy back on the default ds4_bt_ poll_interval to determine
2808 * if we need to remove the file as we don't know for sure if we
2809 * executed that logic.
2810 */
2811 if (sc->ds4_bt_poll_interval)
2812 device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
2813 if (sc->fw_version)
2814 device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version);
2815 if (sc->hw_version)
2816 device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version);
2817 sony_cancel_work_sync(sc);
2818 sony_remove_dev_list(sc);
2819 sony_release_device_id(sc);
2820 return ret;
2821 }
2822
2823 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
2824 {
2825 int ret;
2826 unsigned long quirks = id->driver_data;
2827 struct sony_sc *sc;
2828 unsigned int connect_mask = HID_CONNECT_DEFAULT;
2829
2830 if (!strcmp(hdev->name, "FutureMax Dance Mat"))
2831 quirks |= FUTUREMAX_DANCE_MAT;
2832
2833 if (!strcmp(hdev->name, "SHANWAN PS3 GamePad"))
2834 quirks |= SHANWAN_GAMEPAD;
2835
2836 sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
2837 if (sc == NULL) {
2838 hid_err(hdev, "can't alloc sony descriptor\n");
2839 return -ENOMEM;
2840 }
2841
2842 spin_lock_init(&sc->lock);
2843
2844 sc->quirks = quirks;
2845 hid_set_drvdata(hdev, sc);
2846 sc->hdev = hdev;
2847
2848 ret = hid_parse(hdev);
2849 if (ret) {
2850 hid_err(hdev, "parse failed\n");
2851 return ret;
2852 }
2853
2854 if (sc->quirks & VAIO_RDESC_CONSTANT)
2855 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
2856 else if (sc->quirks & SIXAXIS_CONTROLLER)
2857 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
2858
2859 /* Patch the hw version on DS3/4 compatible devices, so applications can
2860 * distinguish between the default HID mappings and the mappings defined
2861 * by the Linux game controller spec. This is important for the SDL2
2862 * library, which has a game controller database, which uses device ids
2863 * in combination with version as a key.
2864 */
2865 if (sc->quirks & (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER))
2866 hdev->version |= 0x8000;
2867
2868 ret = hid_hw_start(hdev, connect_mask);
2869 if (ret) {
2870 hid_err(hdev, "hw start failed\n");
2871 return ret;
2872 }
2873
2874 /* sony_input_configured can fail, but this doesn't result
2875 * in hid_hw_start failures (intended). Check whether
2876 * the HID layer claimed the device else fail.
2877 * We don't know the actual reason for the failure, most
2878 * likely it is due to EEXIST in case of double connection
2879 * of USB and Bluetooth, but could have been due to ENOMEM
2880 * or other reasons as well.
2881 */
2882 if (!(hdev->claimed & HID_CLAIMED_INPUT)) {
2883 hid_err(hdev, "failed to claim input\n");
2884 hid_hw_stop(hdev);
2885 return -ENODEV;
2886 }
2887
2888 return ret;
2889 }
2890
2891 static void sony_remove(struct hid_device *hdev)
2892 {
2893 struct sony_sc *sc = hid_get_drvdata(hdev);
2894
2895 hid_hw_close(hdev);
2896
2897 if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
2898 device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
2899
2900 if (sc->fw_version)
2901 device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version);
2902
2903 if (sc->hw_version)
2904 device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version);
2905
2906 sony_cancel_work_sync(sc);
2907
2908 sony_remove_dev_list(sc);
2909
2910 sony_release_device_id(sc);
2911
2912 hid_hw_stop(hdev);
2913 }
2914
2915 #ifdef CONFIG_PM
2916
2917 static int sony_suspend(struct hid_device *hdev, pm_message_t message)
2918 {
2919 #ifdef CONFIG_SONY_FF
2920
2921 /* On suspend stop any running force-feedback events */
2922 if (SONY_FF_SUPPORT) {
2923 struct sony_sc *sc = hid_get_drvdata(hdev);
2924
2925 sc->left = sc->right = 0;
2926 sony_send_output_report(sc);
2927 }
2928
2929 #endif
2930 return 0;
2931 }
2932
2933 static int sony_resume(struct hid_device *hdev)
2934 {
2935 struct sony_sc *sc = hid_get_drvdata(hdev);
2936
2937 /*
2938 * The Sixaxis and navigation controllers on USB need to be
2939 * reinitialized on resume or they won't behave properly.
2940 */
2941 if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
2942 (sc->quirks & NAVIGATION_CONTROLLER_USB)) {
2943 sixaxis_set_operational_usb(sc->hdev);
2944 sc->defer_initialization = 1;
2945 }
2946
2947 return 0;
2948 }
2949
2950 #endif
2951
2952 static const struct hid_device_id sony_devices[] = {
2953 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
2954 .driver_data = SIXAXIS_CONTROLLER_USB },
2955 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
2956 .driver_data = NAVIGATION_CONTROLLER_USB },
2957 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
2958 .driver_data = NAVIGATION_CONTROLLER_BT },
2959 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
2960 .driver_data = MOTION_CONTROLLER_USB },
2961 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
2962 .driver_data = MOTION_CONTROLLER_BT },
2963 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
2964 .driver_data = SIXAXIS_CONTROLLER_BT },
2965 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
2966 .driver_data = VAIO_RDESC_CONSTANT },
2967 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
2968 .driver_data = VAIO_RDESC_CONSTANT },
2969 /*
2970 * Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
2971 * Logitech joystick from the device descriptor.
2972 */
2973 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
2974 .driver_data = BUZZ_CONTROLLER },
2975 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
2976 .driver_data = BUZZ_CONTROLLER },
2977 /* PS3 BD Remote Control */
2978 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
2979 .driver_data = PS3REMOTE },
2980 /* Logitech Harmony Adapter for PS3 */
2981 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
2982 .driver_data = PS3REMOTE },
2983 /* SMK-Link PS3 BD Remote Control */
2984 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE),
2985 .driver_data = PS3REMOTE },
2986 /* Sony Dualshock 4 controllers for PS4 */
2987 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
2988 .driver_data = DUALSHOCK4_CONTROLLER_USB },
2989 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
2990 .driver_data = DUALSHOCK4_CONTROLLER_BT },
2991 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
2992 .driver_data = DUALSHOCK4_CONTROLLER_USB },
2993 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
2994 .driver_data = DUALSHOCK4_CONTROLLER_BT },
2995 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE),
2996 .driver_data = DUALSHOCK4_DONGLE },
2997 /* Nyko Core Controller for PS3 */
2998 { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER),
2999 .driver_data = SIXAXIS_CONTROLLER_USB | SINO_LITE_CONTROLLER },
3000 /* SMK-Link NSG-MR5U Remote Control */
3001 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR5U_REMOTE),
3002 .driver_data = NSG_MR5U_REMOTE_BT },
3003 /* SMK-Link NSG-MR7U Remote Control */
3004 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR7U_REMOTE),
3005 .driver_data = NSG_MR7U_REMOTE_BT },
3006 { }
3007 };
3008 MODULE_DEVICE_TABLE(hid, sony_devices);
3009
3010 static struct hid_driver sony_driver = {
3011 .name = "sony",
3012 .id_table = sony_devices,
3013 .input_mapping = sony_mapping,
3014 .input_configured = sony_input_configured,
3015 .probe = sony_probe,
3016 .remove = sony_remove,
3017 .report_fixup = sony_report_fixup,
3018 .raw_event = sony_raw_event,
3019
3020 #ifdef CONFIG_PM
3021 .suspend = sony_suspend,
3022 .resume = sony_resume,
3023 .reset_resume = sony_resume,
3024 #endif
3025 };
3026
3027 static int __init sony_init(void)
3028 {
3029 dbg_hid("Sony:%s\n", __func__);
3030
3031 return hid_register_driver(&sony_driver);
3032 }
3033
3034 static void __exit sony_exit(void)
3035 {
3036 dbg_hid("Sony:%s\n", __func__);
3037
3038 hid_unregister_driver(&sony_driver);
3039 ida_destroy(&sony_device_id_allocator);
3040 }
3041 module_init(sony_init);
3042 module_exit(sony_exit);
3043
3044 MODULE_LICENSE("GPL");
Linux with added FPC-III support