1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *  HID driver for Sony / PS2 / PS3 / PS4 BD devices.
4 *
5 *  Copyright (c) 1999 Andreas Gal
6 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8 *  Copyright (c) 2008 Jiri Slaby
9 *  Copyright (c) 2012 David Dillow <dave@thedillows.org>
10 *  Copyright (c) 2006-2013 Jiri Kosina
11 *  Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com>
12 *  Copyright (c) 2014-2016 Frank Praznik <frank.praznik@gmail.com>
13 *  Copyright (c) 2018 Todd Kelner
14 *  Copyright (c) 2020-2021 Pascal Giard <pascal.giard@etsmtl.ca>
15 *  Copyright (c) 2020 Sanjay Govind <sanjay.govind9@gmail.com>
16 *  Copyright (c) 2021 Daniel Nguyen <daniel.nguyen.1@ens.etsmtl.ca>
17 */
18
19/*
20 */
21
22/*
23 * NOTE: in order for the Sony PS3 BD Remote Control to be found by
24 * a Bluetooth host, the key combination Start+Enter has to be kept pressed
25 * for about 7 seconds with the Bluetooth Host Controller in discovering mode.
26 *
27 * There will be no PIN request from the device.
28 */
29
30#include <linux/device.h>
31#include <linux/hid.h>
32#include <linux/module.h>
33#include <linux/slab.h>
34#include <linux/leds.h>
35#include <linux/power_supply.h>
36#include <linux/spinlock.h>
37#include <linux/list.h>
38#include <linux/idr.h>
39#include <linux/input/mt.h>
40#include <linux/crc32.h>
41#include <linux/usb.h>
42#include <linux/timer.h>
43#include <asm/unaligned.h>
44
45#include "hid-ids.h"
46
47#define VAIO_RDESC_CONSTANT       BIT(0)
48#define SIXAXIS_CONTROLLER_USB    BIT(1)
49#define SIXAXIS_CONTROLLER_BT     BIT(2)
50#define BUZZ_CONTROLLER           BIT(3)
51#define PS3REMOTE                 BIT(4)
52#define MOTION_CONTROLLER_USB     BIT(5)
53#define MOTION_CONTROLLER_BT      BIT(6)
54#define NAVIGATION_CONTROLLER_USB BIT(7)
55#define NAVIGATION_CONTROLLER_BT  BIT(8)
56#define SINO_LITE_CONTROLLER      BIT(9)
57#define FUTUREMAX_DANCE_MAT       BIT(10)
58#define NSG_MR5U_REMOTE_BT        BIT(11)
59#define NSG_MR7U_REMOTE_BT        BIT(12)
60#define SHANWAN_GAMEPAD           BIT(13)
61#define GH_GUITAR_CONTROLLER      BIT(14)
62#define GHL_GUITAR_PS3WIIU        BIT(15)
63#define GHL_GUITAR_PS4            BIT(16)
64
65#define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
66#define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT)
67#define NAVIGATION_CONTROLLER (NAVIGATION_CONTROLLER_USB |\
68				NAVIGATION_CONTROLLER_BT)
69#define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\
70				MOTION_CONTROLLER | NAVIGATION_CONTROLLER)
71#define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER)
72#define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | MOTION_CONTROLLER)
73#define SONY_BT_DEVICE (SIXAXIS_CONTROLLER_BT | MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER_BT)
74#define NSG_MRXU_REMOTE (NSG_MR5U_REMOTE_BT | NSG_MR7U_REMOTE_BT)
75
76#define MAX_LEDS 4
77#define NSG_MRXU_MAX_X 1667
78#define NSG_MRXU_MAX_Y 1868
79
80/* The PS3/Wii U dongles require a poke every 10 seconds, but the PS4
81 * requires one every 8 seconds. Using 8 seconds for all for simplicity.
82 */
83#define GHL_GUITAR_POKE_INTERVAL 8 /* In seconds */
84#define GUITAR_TILT_USAGE 44
85
86/* Magic data taken from GHLtarUtility:
87 * https://github.com/ghlre/GHLtarUtility/blob/master/PS3Guitar.cs
88 * Note: The Wii U and PS3 dongles happen to share the same!
89 */
90static const char ghl_ps3wiiu_magic_data[] = {
91	0x02, 0x08, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00
92};
93
94/* Magic data for the PS4 dongles sniffed with a USB protocol
95 * analyzer.
96 */
97static const char ghl_ps4_magic_data[] = {
98	0x30, 0x02, 0x08, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00
99};
100
101/* PS/3 Motion controller */
102static u8 motion_rdesc[] = {
103	0x05, 0x01,         /*  Usage Page (Desktop),               */
104	0x09, 0x04,         /*  Usage (Joystick),                   */
105	0xA1, 0x01,         /*  Collection (Application),           */
106	0xA1, 0x02,         /*      Collection (Logical),           */
107	0x85, 0x01,         /*          Report ID (1),              */
108	0x75, 0x01,         /*          Report Size (1),            */
109	0x95, 0x15,         /*          Report Count (21),          */
110	0x15, 0x00,         /*          Logical Minimum (0),        */
111	0x25, 0x01,         /*          Logical Maximum (1),        */
112	0x35, 0x00,         /*          Physical Minimum (0),       */
113	0x45, 0x01,         /*          Physical Maximum (1),       */
114	0x05, 0x09,         /*          Usage Page (Button),        */
115	0x19, 0x01,         /*          Usage Minimum (01h),        */
116	0x29, 0x15,         /*          Usage Maximum (15h),        */
117	0x81, 0x02,         /*          Input (Variable),           * Buttons */
118	0x95, 0x0B,         /*          Report Count (11),          */
119	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
120	0x81, 0x03,         /*          Input (Constant, Variable), * Padding */
121	0x15, 0x00,         /*          Logical Minimum (0),        */
122	0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
123	0x05, 0x01,         /*          Usage Page (Desktop),       */
124	0xA1, 0x00,         /*          Collection (Physical),      */
125	0x75, 0x08,         /*              Report Size (8),        */
126	0x95, 0x01,         /*              Report Count (1),       */
127	0x35, 0x00,         /*              Physical Minimum (0),   */
128	0x46, 0xFF, 0x00,   /*              Physical Maximum (255), */
129	0x09, 0x30,         /*              Usage (X),              */
130	0x81, 0x02,         /*              Input (Variable),       * Trigger */
131	0xC0,               /*          End Collection,             */
132	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
133	0x75, 0x08,         /*          Report Size (8),            */
134	0x95, 0x07,         /*          Report Count (7),           * skip 7 bytes */
135	0x81, 0x02,         /*          Input (Variable),           */
136	0x05, 0x01,         /*          Usage Page (Desktop),       */
137	0x75, 0x10,         /*          Report Size (16),           */
138	0x46, 0xFF, 0xFF,   /*          Physical Maximum (65535),   */
139	0x27, 0xFF, 0xFF, 0x00, 0x00, /*      Logical Maximum (65535),    */
140	0x95, 0x03,         /*          Report Count (3),           * 3x Accels */
141	0x09, 0x33,         /*              Usage (rX),             */
142	0x09, 0x34,         /*              Usage (rY),             */
143	0x09, 0x35,         /*              Usage (rZ),             */
144	0x81, 0x02,         /*          Input (Variable),           */
145	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
146	0x95, 0x03,         /*          Report Count (3),           * Skip Accels 2nd frame */
147	0x81, 0x02,         /*          Input (Variable),           */
148	0x05, 0x01,         /*          Usage Page (Desktop),       */
149	0x09, 0x01,         /*          Usage (Pointer),            */
150	0x95, 0x03,         /*          Report Count (3),           * 3x Gyros */
151	0x81, 0x02,         /*          Input (Variable),           */
152	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */
153	0x95, 0x03,         /*          Report Count (3),           * Skip Gyros 2nd frame */
154	0x81, 0x02,         /*          Input (Variable),           */
155	0x75, 0x0C,         /*          Report Size (12),           */
156	0x46, 0xFF, 0x0F,   /*          Physical Maximum (4095),    */
157	0x26, 0xFF, 0x0F,   /*          Logical Maximum (4095),     */
158	0x95, 0x04,         /*          Report Count (4),           * Skip Temp and Magnetometers */
159	0x81, 0x02,         /*          Input (Variable),           */
160	0x75, 0x08,         /*          Report Size (8),            */
161	0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */
162	0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */
163	0x95, 0x06,         /*          Report Count (6),           * Skip Timestamp and Extension Bytes */
164	0x81, 0x02,         /*          Input (Variable),           */
165	0x75, 0x08,         /*          Report Size (8),            */
166	0x95, 0x30,         /*          Report Count (48),          */
167	0x09, 0x01,         /*          Usage (Pointer),            */
168	0x91, 0x02,         /*          Output (Variable),          */
169	0x75, 0x08,         /*          Report Size (8),            */
170	0x95, 0x30,         /*          Report Count (48),          */
171	0x09, 0x01,         /*          Usage (Pointer),            */
172	0xB1, 0x02,         /*          Feature (Variable),         */
173	0xC0,               /*      End Collection,                 */
174	0xA1, 0x02,         /*      Collection (Logical),           */
175	0x85, 0x02,         /*          Report ID (2),              */
176	0x75, 0x08,         /*          Report Size (8),            */
177	0x95, 0x30,         /*          Report Count (48),          */
178	0x09, 0x01,         /*          Usage (Pointer),            */
179	0xB1, 0x02,         /*          Feature (Variable),         */
180	0xC0,               /*      End Collection,                 */
181	0xA1, 0x02,         /*      Collection (Logical),           */
182	0x85, 0xEE,         /*          Report ID (238),            */
183	0x75, 0x08,         /*          Report Size (8),            */
184	0x95, 0x30,         /*          Report Count (48),          */
185	0x09, 0x01,         /*          Usage (Pointer),            */
186	0xB1, 0x02,         /*          Feature (Variable),         */
187	0xC0,               /*      End Collection,                 */
188	0xA1, 0x02,         /*      Collection (Logical),           */
189	0x85, 0xEF,         /*          Report ID (239),            */
190	0x75, 0x08,         /*          Report Size (8),            */
191	0x95, 0x30,         /*          Report Count (48),          */
192	0x09, 0x01,         /*          Usage (Pointer),            */
193	0xB1, 0x02,         /*          Feature (Variable),         */
194	0xC0,               /*      End Collection,                 */
195	0xC0                /*  End Collection                      */
196};
197
198static u8 ps3remote_rdesc[] = {
199	0x05, 0x01,          /* GUsagePage Generic Desktop */
200	0x09, 0x05,          /* LUsage 0x05 [Game Pad] */
201	0xA1, 0x01,          /* MCollection Application (mouse, keyboard) */
202
203	 /* Use collection 1 for joypad buttons */
204	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */
205
206	  /*
207	   * Ignore the 1st byte, maybe it is used for a controller
208	   * number but it's not needed for correct operation
209	   */
210	  0x75, 0x08,        /* GReportSize 0x08 [8] */
211	  0x95, 0x01,        /* GReportCount 0x01 [1] */
212	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
213
214	  /*
215	   * Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
216	   * buttons multiple keypresses are allowed
217	   */
218	  0x05, 0x09,        /* GUsagePage Button */
219	  0x19, 0x01,        /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
220	  0x29, 0x18,        /* LUsageMaximum 0x18 [Button 24] */
221	  0x14,              /* GLogicalMinimum [0] */
222	  0x25, 0x01,        /* GLogicalMaximum 0x01 [1] */
223	  0x75, 0x01,        /* GReportSize 0x01 [1] */
224	  0x95, 0x18,        /* GReportCount 0x18 [24] */
225	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
226
227	  0xC0,              /* MEndCollection */
228
229	 /* Use collection 2 for remote control buttons */
230	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */
231
232	  /* 5th byte is used for remote control buttons */
233	  0x05, 0x09,        /* GUsagePage Button */
234	  0x18,              /* LUsageMinimum [No button pressed] */
235	  0x29, 0xFE,        /* LUsageMaximum 0xFE [Button 254] */
236	  0x14,              /* GLogicalMinimum [0] */
237	  0x26, 0xFE, 0x00,  /* GLogicalMaximum 0x00FE [254] */
238	  0x75, 0x08,        /* GReportSize 0x08 [8] */
239	  0x95, 0x01,        /* GReportCount 0x01 [1] */
240	  0x80,              /* MInput  */
241
242	  /*
243	   * Ignore bytes from 6th to 11th, 6th to 10th are always constant at
244	   * 0xff and 11th is for press indication
245	   */
246	  0x75, 0x08,        /* GReportSize 0x08 [8] */
247	  0x95, 0x06,        /* GReportCount 0x06 [6] */
248	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
249
250	  /* 12th byte is for battery strength */
251	  0x05, 0x06,        /* GUsagePage Generic Device Controls */
252	  0x09, 0x20,        /* LUsage 0x20 [Battery Strength] */
253	  0x14,              /* GLogicalMinimum [0] */
254	  0x25, 0x05,        /* GLogicalMaximum 0x05 [5] */
255	  0x75, 0x08,        /* GReportSize 0x08 [8] */
256	  0x95, 0x01,        /* GReportCount 0x01 [1] */
257	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
258
259	  0xC0,              /* MEndCollection */
260
261	 0xC0                /* MEndCollection [Game Pad] */
262};
263
264static const unsigned int ps3remote_keymap_joypad_buttons[] = {
265	[0x01] = KEY_SELECT,
266	[0x02] = BTN_THUMBL,		/* L3 */
267	[0x03] = BTN_THUMBR,		/* R3 */
268	[0x04] = BTN_START,
269	[0x05] = KEY_UP,
270	[0x06] = KEY_RIGHT,
271	[0x07] = KEY_DOWN,
272	[0x08] = KEY_LEFT,
273	[0x09] = BTN_TL2,		/* L2 */
274	[0x0a] = BTN_TR2,		/* R2 */
275	[0x0b] = BTN_TL,		/* L1 */
276	[0x0c] = BTN_TR,		/* R1 */
277	[0x0d] = KEY_OPTION,		/* options/triangle */
278	[0x0e] = KEY_BACK,		/* back/circle */
279	[0x0f] = BTN_0,			/* cross */
280	[0x10] = KEY_SCREEN,		/* view/square */
281	[0x11] = KEY_HOMEPAGE,		/* PS button */
282	[0x14] = KEY_ENTER,
283};
284static const unsigned int ps3remote_keymap_remote_buttons[] = {
285	[0x00] = KEY_1,
286	[0x01] = KEY_2,
287	[0x02] = KEY_3,
288	[0x03] = KEY_4,
289	[0x04] = KEY_5,
290	[0x05] = KEY_6,
291	[0x06] = KEY_7,
292	[0x07] = KEY_8,
293	[0x08] = KEY_9,
294	[0x09] = KEY_0,
295	[0x0e] = KEY_ESC,		/* return */
296	[0x0f] = KEY_CLEAR,
297	[0x16] = KEY_EJECTCD,
298	[0x1a] = KEY_MENU,		/* top menu */
299	[0x28] = KEY_TIME,
300	[0x30] = KEY_PREVIOUS,
301	[0x31] = KEY_NEXT,
302	[0x32] = KEY_PLAY,
303	[0x33] = KEY_REWIND,		/* scan back */
304	[0x34] = KEY_FORWARD,		/* scan forward */
305	[0x38] = KEY_STOP,
306	[0x39] = KEY_PAUSE,
307	[0x40] = KEY_CONTEXT_MENU,	/* pop up/menu */
308	[0x60] = KEY_FRAMEBACK,		/* slow/step back */
309	[0x61] = KEY_FRAMEFORWARD,	/* slow/step forward */
310	[0x63] = KEY_SUBTITLE,
311	[0x64] = KEY_AUDIO,
312	[0x65] = KEY_ANGLE,
313	[0x70] = KEY_INFO,		/* display */
314	[0x80] = KEY_BLUE,
315	[0x81] = KEY_RED,
316	[0x82] = KEY_GREEN,
317	[0x83] = KEY_YELLOW,
318};
319
320static const unsigned int buzz_keymap[] = {
321	/*
322	 * The controller has 4 remote buzzers, each with one LED and 5
323	 * buttons.
324	 *
325	 * We use the mapping chosen by the controller, which is:
326	 *
327	 * Key          Offset
328	 * -------------------
329	 * Buzz              1
330	 * Blue              5
331	 * Orange            4
332	 * Green             3
333	 * Yellow            2
334	 *
335	 * So, for example, the orange button on the third buzzer is mapped to
336	 * BTN_TRIGGER_HAPPY14
337	 */
338	 [1] = BTN_TRIGGER_HAPPY1,
339	 [2] = BTN_TRIGGER_HAPPY2,
340	 [3] = BTN_TRIGGER_HAPPY3,
341	 [4] = BTN_TRIGGER_HAPPY4,
342	 [5] = BTN_TRIGGER_HAPPY5,
343	 [6] = BTN_TRIGGER_HAPPY6,
344	 [7] = BTN_TRIGGER_HAPPY7,
345	 [8] = BTN_TRIGGER_HAPPY8,
346	 [9] = BTN_TRIGGER_HAPPY9,
347	[10] = BTN_TRIGGER_HAPPY10,
348	[11] = BTN_TRIGGER_HAPPY11,
349	[12] = BTN_TRIGGER_HAPPY12,
350	[13] = BTN_TRIGGER_HAPPY13,
351	[14] = BTN_TRIGGER_HAPPY14,
352	[15] = BTN_TRIGGER_HAPPY15,
353	[16] = BTN_TRIGGER_HAPPY16,
354	[17] = BTN_TRIGGER_HAPPY17,
355	[18] = BTN_TRIGGER_HAPPY18,
356	[19] = BTN_TRIGGER_HAPPY19,
357	[20] = BTN_TRIGGER_HAPPY20,
358};
359
360/* The Navigation controller is a partial DS3 and uses the same HID report
361 * and hence the same keymap indices, however not all axes/buttons
362 * are physically present. We use the same axis and button mapping as
363 * the DS3, which uses the Linux gamepad spec.
364 */
365static const unsigned int navigation_absmap[] = {
366	[0x30] = ABS_X,
367	[0x31] = ABS_Y,
368	[0x33] = ABS_Z, /* L2 */
369};
370
371/* Buttons not physically available on the device, but still available
372 * in the reports are explicitly set to 0 for documentation purposes.
373 */
374static const unsigned int navigation_keymap[] = {
375	[0x01] = 0, /* Select */
376	[0x02] = BTN_THUMBL, /* L3 */
377	[0x03] = 0, /* R3 */
378	[0x04] = 0, /* Start */
379	[0x05] = BTN_DPAD_UP, /* Up */
380	[0x06] = BTN_DPAD_RIGHT, /* Right */
381	[0x07] = BTN_DPAD_DOWN, /* Down */
382	[0x08] = BTN_DPAD_LEFT, /* Left */
383	[0x09] = BTN_TL2, /* L2 */
384	[0x0a] = 0, /* R2 */
385	[0x0b] = BTN_TL, /* L1 */
386	[0x0c] = 0, /* R1 */
387	[0x0d] = BTN_NORTH, /* Triangle */
388	[0x0e] = BTN_EAST, /* Circle */
389	[0x0f] = BTN_SOUTH, /* Cross */
390	[0x10] = BTN_WEST, /* Square */
391	[0x11] = BTN_MODE, /* PS */
392};
393
394static const unsigned int sixaxis_absmap[] = {
395	[0x30] = ABS_X,
396	[0x31] = ABS_Y,
397	[0x32] = ABS_RX, /* right stick X */
398	[0x35] = ABS_RY, /* right stick Y */
399};
400
401static const unsigned int sixaxis_keymap[] = {
402	[0x01] = BTN_SELECT, /* Select */
403	[0x02] = BTN_THUMBL, /* L3 */
404	[0x03] = BTN_THUMBR, /* R3 */
405	[0x04] = BTN_START, /* Start */
406	[0x05] = BTN_DPAD_UP, /* Up */
407	[0x06] = BTN_DPAD_RIGHT, /* Right */
408	[0x07] = BTN_DPAD_DOWN, /* Down */
409	[0x08] = BTN_DPAD_LEFT, /* Left */
410	[0x09] = BTN_TL2, /* L2 */
411	[0x0a] = BTN_TR2, /* R2 */
412	[0x0b] = BTN_TL, /* L1 */
413	[0x0c] = BTN_TR, /* R1 */
414	[0x0d] = BTN_NORTH, /* Triangle */
415	[0x0e] = BTN_EAST, /* Circle */
416	[0x0f] = BTN_SOUTH, /* Cross */
417	[0x10] = BTN_WEST, /* Square */
418	[0x11] = BTN_MODE, /* PS */
419};
420
421static enum power_supply_property sony_battery_props[] = {
422	POWER_SUPPLY_PROP_PRESENT,
423	POWER_SUPPLY_PROP_CAPACITY,
424	POWER_SUPPLY_PROP_SCOPE,
425	POWER_SUPPLY_PROP_STATUS,
426};
427
428struct sixaxis_led {
429	u8 time_enabled; /* the total time the led is active (0xff means forever) */
430	u8 duty_length;  /* how long a cycle is in deciseconds (0 means "really fast") */
431	u8 enabled;
432	u8 duty_off; /* % of duty_length the led is off (0xff means 100%) */
433	u8 duty_on;  /* % of duty_length the led is on (0xff mean 100%) */
434} __packed;
435
436struct sixaxis_rumble {
437	u8 padding;
438	u8 right_duration; /* Right motor duration (0xff means forever) */
439	u8 right_motor_on; /* Right (small) motor on/off, only supports values of 0 or 1 (off/on) */
440	u8 left_duration;    /* Left motor duration (0xff means forever) */
441	u8 left_motor_force; /* left (large) motor, supports force values from 0 to 255 */
442} __packed;
443
444struct sixaxis_output_report {
445	u8 report_id;
446	struct sixaxis_rumble rumble;
447	u8 padding[4];
448	u8 leds_bitmap; /* bitmap of enabled LEDs: LED_1 = 0x02, LED_2 = 0x04, ... */
449	struct sixaxis_led led[4];    /* LEDx at (4 - x) */
450	struct sixaxis_led _reserved; /* LED5, not actually soldered */
451} __packed;
452
453union sixaxis_output_report_01 {
454	struct sixaxis_output_report data;
455	u8 buf[36];
456};
457
458struct motion_output_report_02 {
459	u8 type, zero;
460	u8 r, g, b;
461	u8 zero2;
462	u8 rumble;
463};
464
465#define SIXAXIS_REPORT_0xF2_SIZE 17
466#define SIXAXIS_REPORT_0xF5_SIZE 8
467#define MOTION_REPORT_0x02_SIZE 49
468
469#define SENSOR_SUFFIX " Motion Sensors"
470#define TOUCHPAD_SUFFIX " Touchpad"
471
472#define SIXAXIS_INPUT_REPORT_ACC_X_OFFSET 41
473#define SIXAXIS_ACC_RES_PER_G 113
474
475static DEFINE_SPINLOCK(sony_dev_list_lock);
476static LIST_HEAD(sony_device_list);
477static DEFINE_IDA(sony_device_id_allocator);
478
479enum sony_worker {
480	SONY_WORKER_STATE
481};
482
483struct sony_sc {
484	spinlock_t lock;
485	struct list_head list_node;
486	struct hid_device *hdev;
487	struct input_dev *touchpad;
488	struct input_dev *sensor_dev;
489	struct led_classdev *leds[MAX_LEDS];
490	unsigned long quirks;
491	struct work_struct state_worker;
492	void (*send_output_report)(struct sony_sc *);
493	struct power_supply *battery;
494	struct power_supply_desc battery_desc;
495	int device_id;
496	u8 *output_report_dmabuf;
497
498#ifdef CONFIG_SONY_FF
499	u8 left;
500	u8 right;
501#endif
502
503	u8 mac_address[6];
504	u8 state_worker_initialized;
505	u8 defer_initialization;
506	u8 battery_capacity;
507	int battery_status;
508	u8 led_state[MAX_LEDS];
509	u8 led_delay_on[MAX_LEDS];
510	u8 led_delay_off[MAX_LEDS];
511	u8 led_count;
512
513	/* GH Live */
514	struct urb *ghl_urb;
515	struct timer_list ghl_poke_timer;
516};
517
518static void sony_set_leds(struct sony_sc *sc);
519
520static inline void sony_schedule_work(struct sony_sc *sc,
521				      enum sony_worker which)
522{
523	unsigned long flags;
524
525	switch (which) {
526	case SONY_WORKER_STATE:
527		spin_lock_irqsave(&sc->lock, flags);
528		if (!sc->defer_initialization && sc->state_worker_initialized)
529			schedule_work(&sc->state_worker);
530		spin_unlock_irqrestore(&sc->lock, flags);
531		break;
532	}
533}
534
535static void ghl_magic_poke_cb(struct urb *urb)
536{
537	struct sony_sc *sc = urb->context;
538
539	if (urb->status < 0)
540		hid_err(sc->hdev, "URB transfer failed : %d", urb->status);
541
542	mod_timer(&sc->ghl_poke_timer, jiffies + GHL_GUITAR_POKE_INTERVAL*HZ);
543}
544
545static void ghl_magic_poke(struct timer_list *t)
546{
547	int ret;
548	struct sony_sc *sc = from_timer(sc, t, ghl_poke_timer);
549
550	ret = usb_submit_urb(sc->ghl_urb, GFP_ATOMIC);
551	if (ret < 0)
552		hid_err(sc->hdev, "usb_submit_urb failed: %d", ret);
553}
554
555static int ghl_init_urb(struct sony_sc *sc, struct usb_device *usbdev,
556					   const char ghl_magic_data[], u16 poke_size)
557{
558	struct usb_ctrlrequest *cr;
559	u8 *databuf;
560	unsigned int pipe;
561	u16 ghl_magic_value = (((HID_OUTPUT_REPORT + 1) << 8) | ghl_magic_data[0]);
562
563	pipe = usb_sndctrlpipe(usbdev, 0);
564
565	cr = devm_kzalloc(&sc->hdev->dev, sizeof(*cr), GFP_ATOMIC);
566	if (cr == NULL)
567		return -ENOMEM;
568
569	databuf = devm_kzalloc(&sc->hdev->dev, poke_size, GFP_ATOMIC);
570	if (databuf == NULL)
571		return -ENOMEM;
572
573	cr->bRequestType =
574		USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT;
575	cr->bRequest = USB_REQ_SET_CONFIGURATION;
576	cr->wValue = cpu_to_le16(ghl_magic_value);
577	cr->wIndex = 0;
578	cr->wLength = cpu_to_le16(poke_size);
579	memcpy(databuf, ghl_magic_data, poke_size);
580	usb_fill_control_urb(
581		sc->ghl_urb, usbdev, pipe,
582		(unsigned char *) cr, databuf, poke_size,
583		ghl_magic_poke_cb, sc);
584	return 0;
585}
586
587static int guitar_mapping(struct hid_device *hdev, struct hid_input *hi,
588			  struct hid_field *field, struct hid_usage *usage,
589			  unsigned long **bit, int *max)
590{
591	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
592		unsigned int abs = usage->hid & HID_USAGE;
593
594		if (abs == GUITAR_TILT_USAGE) {
595			hid_map_usage_clear(hi, usage, bit, max, EV_ABS, ABS_RY);
596			return 1;
597		}
598	}
599	return 0;
600}
601
602static u8 *motion_fixup(struct hid_device *hdev, u8 *rdesc,
603			     unsigned int *rsize)
604{
605	*rsize = sizeof(motion_rdesc);
606	return motion_rdesc;
607}
608
609static u8 *ps3remote_fixup(struct hid_device *hdev, u8 *rdesc,
610			     unsigned int *rsize)
611{
612	*rsize = sizeof(ps3remote_rdesc);
613	return ps3remote_rdesc;
614}
615
616static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
617			     struct hid_field *field, struct hid_usage *usage,
618			     unsigned long **bit, int *max)
619{
620	unsigned int key = usage->hid & HID_USAGE;
621
622	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
623		return -1;
624
625	switch (usage->collection_index) {
626	case 1:
627		if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
628			return -1;
629
630		key = ps3remote_keymap_joypad_buttons[key];
631		if (!key)
632			return -1;
633		break;
634	case 2:
635		if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
636			return -1;
637
638		key = ps3remote_keymap_remote_buttons[key];
639		if (!key)
640			return -1;
641		break;
642	default:
643		return -1;
644	}
645
646	hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
647	return 1;
648}
649
650static int navigation_mapping(struct hid_device *hdev, struct hid_input *hi,
651			  struct hid_field *field, struct hid_usage *usage,
652			  unsigned long **bit, int *max)
653{
654	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
655		unsigned int key = usage->hid & HID_USAGE;
656
657		if (key >= ARRAY_SIZE(sixaxis_keymap))
658			return -1;
659
660		key = navigation_keymap[key];
661		if (!key)
662			return -1;
663
664		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
665		return 1;
666	} else if (usage->hid == HID_GD_POINTER) {
667		/* See comment in sixaxis_mapping, basically the L2 (and R2)
668		 * triggers are reported through GD Pointer.
669		 * In addition we ignore any analog button 'axes' and only
670		 * support digital buttons.
671		 */
672		switch (usage->usage_index) {
673		case 8: /* L2 */
674			usage->hid = HID_GD_Z;
675			break;
676		default:
677			return -1;
678		}
679
680		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
681		return 1;
682	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
683		unsigned int abs = usage->hid & HID_USAGE;
684
685		if (abs >= ARRAY_SIZE(navigation_absmap))
686			return -1;
687
688		abs = navigation_absmap[abs];
689
690		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
691		return 1;
692	}
693
694	return -1;
695}
696
697
698static int sixaxis_mapping(struct hid_device *hdev, struct hid_input *hi,
699			  struct hid_field *field, struct hid_usage *usage,
700			  unsigned long **bit, int *max)
701{
702	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
703		unsigned int key = usage->hid & HID_USAGE;
704
705		if (key >= ARRAY_SIZE(sixaxis_keymap))
706			return -1;
707
708		key = sixaxis_keymap[key];
709		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
710		return 1;
711	} else if (usage->hid == HID_GD_POINTER) {
712		/* The DS3 provides analog values for most buttons and even
713		 * for HAT axes through GD Pointer. L2 and R2 are reported
714		 * among these as well instead of as GD Z / RZ. Remap L2
715		 * and R2 and ignore other analog 'button axes' as there is
716		 * no good way for reporting them.
717		 */
718		switch (usage->usage_index) {
719		case 8: /* L2 */
720			usage->hid = HID_GD_Z;
721			break;
722		case 9: /* R2 */
723			usage->hid = HID_GD_RZ;
724			break;
725		default:
726			return -1;
727		}
728
729		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf);
730		return 1;
731	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) {
732		unsigned int abs = usage->hid & HID_USAGE;
733
734		if (abs >= ARRAY_SIZE(sixaxis_absmap))
735			return -1;
736
737		abs = sixaxis_absmap[abs];
738
739		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs);
740		return 1;
741	}
742
743	return -1;
744}
745
746static u8 *sony_report_fixup(struct hid_device *hdev, u8 *rdesc,
747		unsigned int *rsize)
748{
749	struct sony_sc *sc = hid_get_drvdata(hdev);
750
751	if (sc->quirks & (SINO_LITE_CONTROLLER | FUTUREMAX_DANCE_MAT))
752		return rdesc;
753
754	/*
755	 * Some Sony RF receivers wrongly declare the mouse pointer as a
756	 * a constant non-data variable.
757	 */
758	if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
759	    /* usage page: generic desktop controls */
760	    /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
761	    /* usage: mouse */
762	    rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
763	    /* input (usage page for x,y axes): constant, variable, relative */
764	    rdesc[54] == 0x81 && rdesc[55] == 0x07) {
765		hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
766		/* input: data, variable, relative */
767		rdesc[55] = 0x06;
768	}
769
770	if (sc->quirks & MOTION_CONTROLLER)
771		return motion_fixup(hdev, rdesc, rsize);
772
773	if (sc->quirks & PS3REMOTE)
774		return ps3remote_fixup(hdev, rdesc, rsize);
775
776	/*
777	 * Some knock-off USB dongles incorrectly report their button count
778	 * as 13 instead of 16 causing three non-functional buttons.
779	 */
780	if ((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize >= 45 &&
781		/* Report Count (13) */
782		rdesc[23] == 0x95 && rdesc[24] == 0x0D &&
783		/* Usage Maximum (13) */
784		rdesc[37] == 0x29 && rdesc[38] == 0x0D &&
785		/* Report Count (3) */
786		rdesc[43] == 0x95 && rdesc[44] == 0x03) {
787		hid_info(hdev, "Fixing up USB dongle report descriptor\n");
788		rdesc[24] = 0x10;
789		rdesc[38] = 0x10;
790		rdesc[44] = 0x00;
791	}
792
793	return rdesc;
794}
795
796static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size)
797{
798	static const u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 };
799	unsigned long flags;
800	int offset;
801	u8 battery_capacity;
802	int battery_status;
803
804	/*
805	 * The sixaxis is charging if the battery value is 0xee
806	 * and it is fully charged if the value is 0xef.
807	 * It does not report the actual level while charging so it
808	 * is set to 100% while charging is in progress.
809	 */
810	offset = (sc->quirks & MOTION_CONTROLLER) ? 12 : 30;
811
812	if (rd[offset] >= 0xee) {
813		battery_capacity = 100;
814		battery_status = (rd[offset] & 0x01) ? POWER_SUPPLY_STATUS_FULL : POWER_SUPPLY_STATUS_CHARGING;
815	} else {
816		u8 index = rd[offset] <= 5 ? rd[offset] : 5;
817		battery_capacity = sixaxis_battery_capacity[index];
818		battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
819	}
820
821	spin_lock_irqsave(&sc->lock, flags);
822	sc->battery_capacity = battery_capacity;
823	sc->battery_status = battery_status;
824	spin_unlock_irqrestore(&sc->lock, flags);
825
826	if (sc->quirks & SIXAXIS_CONTROLLER) {
827		int val;
828
829		offset = SIXAXIS_INPUT_REPORT_ACC_X_OFFSET;
830		val = ((rd[offset+1] << 8) | rd[offset]) - 511;
831		input_report_abs(sc->sensor_dev, ABS_X, val);
832
833		/* Y and Z are swapped and inversed */
834		val = 511 - ((rd[offset+5] << 8) | rd[offset+4]);
835		input_report_abs(sc->sensor_dev, ABS_Y, val);
836
837		val = 511 - ((rd[offset+3] << 8) | rd[offset+2]);
838		input_report_abs(sc->sensor_dev, ABS_Z, val);
839
840		input_sync(sc->sensor_dev);
841	}
842}
843
844static void nsg_mrxu_parse_report(struct sony_sc *sc, u8 *rd, int size)
845{
846	int n, offset, relx, rely;
847	u8 active;
848
849	/*
850	 * The NSG-MRxU multi-touch trackpad data starts at offset 1 and
851	 *   the touch-related data starts at offset 2.
852	 * For the first byte, bit 0 is set when touchpad button is pressed.
853	 * Bit 2 is set when a touch is active and the drag (Fn) key is pressed.
854	 * This drag key is mapped to BTN_LEFT.  It is operational only when a
855	 *   touch point is active.
856	 * Bit 4 is set when only the first touch point is active.
857	 * Bit 6 is set when only the second touch point is active.
858	 * Bits 5 and 7 are set when both touch points are active.
859	 * The next 3 bytes are two 12 bit X/Y coordinates for the first touch.
860	 * The following byte, offset 5, has the touch width and length.
861	 *   Bits 0-4=X (width), bits 5-7=Y (length).
862	 * A signed relative X coordinate is at offset 6.
863	 * The bytes at offset 7-9 are the second touch X/Y coordinates.
864	 * Offset 10 has the second touch width and length.
865	 * Offset 11 has the relative Y coordinate.
866	 */
867	offset = 1;
868
869	input_report_key(sc->touchpad, BTN_LEFT, rd[offset] & 0x0F);
870	active = (rd[offset] >> 4);
871	relx = (s8) rd[offset+5];
872	rely = ((s8) rd[offset+10]) * -1;
873
874	offset++;
875
876	for (n = 0; n < 2; n++) {
877		u16 x, y;
878		u8 contactx, contacty;
879
880		x = rd[offset] | ((rd[offset+1] & 0x0F) << 8);
881		y = ((rd[offset+1] & 0xF0) >> 4) | (rd[offset+2] << 4);
882
883		input_mt_slot(sc->touchpad, n);
884		input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active & 0x03);
885
886		if (active & 0x03) {
887			contactx = rd[offset+3] & 0x0F;
888			contacty = rd[offset+3] >> 4;
889			input_report_abs(sc->touchpad, ABS_MT_TOUCH_MAJOR,
890				max(contactx, contacty));
891			input_report_abs(sc->touchpad, ABS_MT_TOUCH_MINOR,
892				min(contactx, contacty));
893			input_report_abs(sc->touchpad, ABS_MT_ORIENTATION,
894				(bool) (contactx > contacty));
895			input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x);
896			input_report_abs(sc->touchpad, ABS_MT_POSITION_Y,
897				NSG_MRXU_MAX_Y - y);
898			/*
899			 * The relative coordinates belong to the first touch
900			 * point, when present, or to the second touch point
901			 * when the first is not active.
902			 */
903			if ((n == 0) || ((n == 1) && (active & 0x01))) {
904				input_report_rel(sc->touchpad, REL_X, relx);
905				input_report_rel(sc->touchpad, REL_Y, rely);
906			}
907		}
908
909		offset += 5;
910		active >>= 2;
911	}
912
913	input_mt_sync_frame(sc->touchpad);
914
915	input_sync(sc->touchpad);
916}
917
918static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
919		u8 *rd, int size)
920{
921	struct sony_sc *sc = hid_get_drvdata(hdev);
922
923	/*
924	 * Sixaxis HID report has acclerometers/gyro with MSByte first, this
925	 * has to be BYTE_SWAPPED before passing up to joystick interface
926	 */
927	if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) {
928		/*
929		 * When connected via Bluetooth the Sixaxis occasionally sends
930		 * a report with the second byte 0xff and the rest zeroed.
931		 *
932		 * This report does not reflect the actual state of the
933		 * controller must be ignored to avoid generating false input
934		 * events.
935		 */
936		if (rd[1] == 0xff)
937			return -EINVAL;
938
939		swap(rd[41], rd[42]);
940		swap(rd[43], rd[44]);
941		swap(rd[45], rd[46]);
942		swap(rd[47], rd[48]);
943
944		sixaxis_parse_report(sc, rd, size);
945	} else if ((sc->quirks & MOTION_CONTROLLER_BT) && rd[0] == 0x01 && size == 49) {
946		sixaxis_parse_report(sc, rd, size);
947	} else if ((sc->quirks & NAVIGATION_CONTROLLER) && rd[0] == 0x01 &&
948			size == 49) {
949		sixaxis_parse_report(sc, rd, size);
950	} else if ((sc->quirks & NSG_MRXU_REMOTE) && rd[0] == 0x02) {
951		nsg_mrxu_parse_report(sc, rd, size);
952		return 1;
953	}
954
955	if (sc->defer_initialization) {
956		sc->defer_initialization = 0;
957		sony_schedule_work(sc, SONY_WORKER_STATE);
958	}
959
960	return 0;
961}
962
963static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
964			struct hid_field *field, struct hid_usage *usage,
965			unsigned long **bit, int *max)
966{
967	struct sony_sc *sc = hid_get_drvdata(hdev);
968
969	if (sc->quirks & BUZZ_CONTROLLER) {
970		unsigned int key = usage->hid & HID_USAGE;
971
972		if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
973			return -1;
974
975		switch (usage->collection_index) {
976		case 1:
977			if (key >= ARRAY_SIZE(buzz_keymap))
978				return -1;
979
980			key = buzz_keymap[key];
981			if (!key)
982				return -1;
983			break;
984		default:
985			return -1;
986		}
987
988		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
989		return 1;
990	}
991
992	if (sc->quirks & PS3REMOTE)
993		return ps3remote_mapping(hdev, hi, field, usage, bit, max);
994
995	if (sc->quirks & NAVIGATION_CONTROLLER)
996		return navigation_mapping(hdev, hi, field, usage, bit, max);
997
998	if (sc->quirks & SIXAXIS_CONTROLLER)
999		return sixaxis_mapping(hdev, hi, field, usage, bit, max);
1000
1001	if (sc->quirks & GH_GUITAR_CONTROLLER)
1002		return guitar_mapping(hdev, hi, field, usage, bit, max);
1003
1004	/* Let hid-core decide for the others */
1005	return 0;
1006}
1007
1008static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
1009		int w, int h, int touch_major, int touch_minor, int orientation)
1010{
1011	size_t name_sz;
1012	char *name;
1013	int ret;
1014
1015	sc->touchpad = devm_input_allocate_device(&sc->hdev->dev);
1016	if (!sc->touchpad)
1017		return -ENOMEM;
1018
1019	input_set_drvdata(sc->touchpad, sc);
1020	sc->touchpad->dev.parent = &sc->hdev->dev;
1021	sc->touchpad->phys = sc->hdev->phys;
1022	sc->touchpad->uniq = sc->hdev->uniq;
1023	sc->touchpad->id.bustype = sc->hdev->bus;
1024	sc->touchpad->id.vendor = sc->hdev->vendor;
1025	sc->touchpad->id.product = sc->hdev->product;
1026	sc->touchpad->id.version = sc->hdev->version;
1027
1028	/* This suffix was originally apended when hid-sony also
1029	 * supported DS4 devices. The DS4 was implemented using multiple
1030	 * evdev nodes and hence had the need to separete them out using
1031	 * a suffix. Other devices which were added later like Sony TV remotes
1032	 * inhirited this suffix.
1033	 */
1034	name_sz = strlen(sc->hdev->name) + sizeof(TOUCHPAD_SUFFIX);
1035	name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
1036	if (!name)
1037		return -ENOMEM;
1038	snprintf(name, name_sz, "%s" TOUCHPAD_SUFFIX, sc->hdev->name);
1039	sc->touchpad->name = name;
1040
1041	/* We map the button underneath the touchpad to BTN_LEFT. */
1042	__set_bit(EV_KEY, sc->touchpad->evbit);
1043	__set_bit(BTN_LEFT, sc->touchpad->keybit);
1044	__set_bit(INPUT_PROP_BUTTONPAD, sc->touchpad->propbit);
1045
1046	input_set_abs_params(sc->touchpad, ABS_MT_POSITION_X, 0, w, 0, 0);
1047	input_set_abs_params(sc->touchpad, ABS_MT_POSITION_Y, 0, h, 0, 0);
1048
1049	if (touch_major > 0) {
1050		input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MAJOR,
1051			0, touch_major, 0, 0);
1052		if (touch_minor > 0)
1053			input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MINOR,
1054				0, touch_minor, 0, 0);
1055		if (orientation > 0)
1056			input_set_abs_params(sc->touchpad, ABS_MT_ORIENTATION,
1057				0, orientation, 0, 0);
1058	}
1059
1060	if (sc->quirks & NSG_MRXU_REMOTE) {
1061		__set_bit(EV_REL, sc->touchpad->evbit);
1062	}
1063
1064	ret = input_mt_init_slots(sc->touchpad, touch_count, INPUT_MT_POINTER);
1065	if (ret < 0)
1066		return ret;
1067
1068	ret = input_register_device(sc->touchpad);
1069	if (ret < 0)
1070		return ret;
1071
1072	return 0;
1073}
1074
1075static int sony_register_sensors(struct sony_sc *sc)
1076{
1077	size_t name_sz;
1078	char *name;
1079	int ret;
1080
1081	sc->sensor_dev = devm_input_allocate_device(&sc->hdev->dev);
1082	if (!sc->sensor_dev)
1083		return -ENOMEM;
1084
1085	input_set_drvdata(sc->sensor_dev, sc);
1086	sc->sensor_dev->dev.parent = &sc->hdev->dev;
1087	sc->sensor_dev->phys = sc->hdev->phys;
1088	sc->sensor_dev->uniq = sc->hdev->uniq;
1089	sc->sensor_dev->id.bustype = sc->hdev->bus;
1090	sc->sensor_dev->id.vendor = sc->hdev->vendor;
1091	sc->sensor_dev->id.product = sc->hdev->product;
1092	sc->sensor_dev->id.version = sc->hdev->version;
1093
1094	/* Append a suffix to the controller name as there are various
1095	 * DS4 compatible non-Sony devices with different names.
1096	 */
1097	name_sz = strlen(sc->hdev->name) + sizeof(SENSOR_SUFFIX);
1098	name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
1099	if (!name)
1100		return -ENOMEM;
1101	snprintf(name, name_sz, "%s" SENSOR_SUFFIX, sc->hdev->name);
1102	sc->sensor_dev->name = name;
1103
1104	if (sc->quirks & SIXAXIS_CONTROLLER) {
1105		/* For the DS3 we only support the accelerometer, which works
1106		 * quite well even without calibration. The device also has
1107		 * a 1-axis gyro, but it is very difficult to manage from within
1108		 * the driver even to get data, the sensor is inaccurate and
1109		 * the behavior is very different between hardware revisions.
1110		 */
1111		input_set_abs_params(sc->sensor_dev, ABS_X, -512, 511, 4, 0);
1112		input_set_abs_params(sc->sensor_dev, ABS_Y, -512, 511, 4, 0);
1113		input_set_abs_params(sc->sensor_dev, ABS_Z, -512, 511, 4, 0);
1114		input_abs_set_res(sc->sensor_dev, ABS_X, SIXAXIS_ACC_RES_PER_G);
1115		input_abs_set_res(sc->sensor_dev, ABS_Y, SIXAXIS_ACC_RES_PER_G);
1116		input_abs_set_res(sc->sensor_dev, ABS_Z, SIXAXIS_ACC_RES_PER_G);
1117	}
1118
1119	__set_bit(INPUT_PROP_ACCELEROMETER, sc->sensor_dev->propbit);
1120
1121	ret = input_register_device(sc->sensor_dev);
1122	if (ret < 0)
1123		return ret;
1124
1125	return 0;
1126}
1127
1128/*
1129 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
1130 * to "operational".  Without this, the ps3 controller will not report any
1131 * events.
1132 */
1133static int sixaxis_set_operational_usb(struct hid_device *hdev)
1134{
1135	struct sony_sc *sc = hid_get_drvdata(hdev);
1136	const int buf_size =
1137		max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE);
1138	u8 *buf;
1139	int ret;
1140
1141	buf = kmalloc(buf_size, GFP_KERNEL);
1142	if (!buf)
1143		return -ENOMEM;
1144
1145	ret = hid_hw_raw_request(hdev, 0xf2, buf, SIXAXIS_REPORT_0xF2_SIZE,
1146				 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
1147	if (ret < 0) {
1148		hid_err(hdev, "can't set operational mode: step 1\n");
1149		goto out;
1150	}
1151
1152	/*
1153	 * Some compatible controllers like the Speedlink Strike FX and
1154	 * Gasia need another query plus an USB interrupt to get operational.
1155	 */
1156	ret = hid_hw_raw_request(hdev, 0xf5, buf, SIXAXIS_REPORT_0xF5_SIZE,
1157				 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
1158	if (ret < 0) {
1159		hid_err(hdev, "can't set operational mode: step 2\n");
1160		goto out;
1161	}
1162
1163	/*
1164	 * But the USB interrupt would cause SHANWAN controllers to
1165	 * start rumbling non-stop, so skip step 3 for these controllers.
1166	 */
1167	if (sc->quirks & SHANWAN_GAMEPAD)
1168		goto out;
1169
1170	ret = hid_hw_output_report(hdev, buf, 1);
1171	if (ret < 0) {
1172		hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
1173		ret = 0;
1174	}
1175
1176out:
1177	kfree(buf);
1178
1179	return ret;
1180}
1181
1182static int sixaxis_set_operational_bt(struct hid_device *hdev)
1183{
1184	static const u8 report[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
1185	u8 *buf;
1186	int ret;
1187
1188	buf = kmemdup(report, sizeof(report), GFP_KERNEL);
1189	if (!buf)
1190		return -ENOMEM;
1191
1192	ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(report),
1193				  HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
1194
1195	kfree(buf);
1196
1197	return ret;
1198}
1199
1200static void sixaxis_set_leds_from_id(struct sony_sc *sc)
1201{
1202	static const u8 sixaxis_leds[10][4] = {
1203				{ 0x01, 0x00, 0x00, 0x00 },
1204				{ 0x00, 0x01, 0x00, 0x00 },
1205				{ 0x00, 0x00, 0x01, 0x00 },
1206				{ 0x00, 0x00, 0x00, 0x01 },
1207				{ 0x01, 0x00, 0x00, 0x01 },
1208				{ 0x00, 0x01, 0x00, 0x01 },
1209				{ 0x00, 0x00, 0x01, 0x01 },
1210				{ 0x01, 0x00, 0x01, 0x01 },
1211				{ 0x00, 0x01, 0x01, 0x01 },
1212				{ 0x01, 0x01, 0x01, 0x01 }
1213	};
1214
1215	int id = sc->device_id;
1216
1217	BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(sixaxis_leds[0]));
1218
1219	if (id < 0)
1220		return;
1221
1222	id %= 10;
1223	memcpy(sc->led_state, sixaxis_leds[id], sizeof(sixaxis_leds[id]));
1224}
1225
1226static void buzz_set_leds(struct sony_sc *sc)
1227{
1228	struct hid_device *hdev = sc->hdev;
1229	struct list_head *report_list =
1230		&hdev->report_enum[HID_OUTPUT_REPORT].report_list;
1231	struct hid_report *report = list_entry(report_list->next,
1232		struct hid_report, list);
1233	s32 *value = report->field[0]->value;
1234
1235	BUILD_BUG_ON(MAX_LEDS < 4);
1236
1237	value[0] = 0x00;
1238	value[1] = sc->led_state[0] ? 0xff : 0x00;
1239	value[2] = sc->led_state[1] ? 0xff : 0x00;
1240	value[3] = sc->led_state[2] ? 0xff : 0x00;
1241	value[4] = sc->led_state[3] ? 0xff : 0x00;
1242	value[5] = 0x00;
1243	value[6] = 0x00;
1244	hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
1245}
1246
1247static void sony_set_leds(struct sony_sc *sc)
1248{
1249	if (!(sc->quirks & BUZZ_CONTROLLER))
1250		sony_schedule_work(sc, SONY_WORKER_STATE);
1251	else
1252		buzz_set_leds(sc);
1253}
1254
1255static void sony_led_set_brightness(struct led_classdev *led,
1256				    enum led_brightness value)
1257{
1258	struct device *dev = led->dev->parent;
1259	struct hid_device *hdev = to_hid_device(dev);
1260	struct sony_sc *drv_data;
1261
1262	int n;
1263	int force_update;
1264
1265	drv_data = hid_get_drvdata(hdev);
1266	if (!drv_data) {
1267		hid_err(hdev, "No device data\n");
1268		return;
1269	}
1270
1271	/*
1272	 * The Sixaxis on USB will override any LED settings sent to it
1273	 * and keep flashing all of the LEDs until the PS button is pressed.
1274	 * Updates, even if redundant, must be always be sent to the
1275	 * controller to avoid having to toggle the state of an LED just to
1276	 * stop the flashing later on.
1277	 */
1278	force_update = !!(drv_data->quirks & SIXAXIS_CONTROLLER_USB);
1279
1280	for (n = 0; n < drv_data->led_count; n++) {
1281		if (led == drv_data->leds[n] && (force_update ||
1282			(value != drv_data->led_state[n] ||
1283			drv_data->led_delay_on[n] ||
1284			drv_data->led_delay_off[n]))) {
1285
1286			drv_data->led_state[n] = value;
1287
1288			/* Setting the brightness stops the blinking */
1289			drv_data->led_delay_on[n] = 0;
1290			drv_data->led_delay_off[n] = 0;
1291
1292			sony_set_leds(drv_data);
1293			break;
1294		}
1295	}
1296}
1297
1298static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
1299{
1300	struct device *dev = led->dev->parent;
1301	struct hid_device *hdev = to_hid_device(dev);
1302	struct sony_sc *drv_data;
1303
1304	int n;
1305
1306	drv_data = hid_get_drvdata(hdev);
1307	if (!drv_data) {
1308		hid_err(hdev, "No device data\n");
1309		return LED_OFF;
1310	}
1311
1312	for (n = 0; n < drv_data->led_count; n++) {
1313		if (led == drv_data->leds[n])
1314			return drv_data->led_state[n];
1315	}
1316
1317	return LED_OFF;
1318}
1319
1320static int sony_led_blink_set(struct led_classdev *led, unsigned long *delay_on,
1321				unsigned long *delay_off)
1322{
1323	struct device *dev = led->dev->parent;
1324	struct hid_device *hdev = to_hid_device(dev);
1325	struct sony_sc *drv_data = hid_get_drvdata(hdev);
1326	int n;
1327	u8 new_on, new_off;
1328
1329	if (!drv_data) {
1330		hid_err(hdev, "No device data\n");
1331		return -EINVAL;
1332	}
1333
1334	/* Max delay is 255 deciseconds or 2550 milliseconds */
1335	if (*delay_on > 2550)
1336		*delay_on = 2550;
1337	if (*delay_off > 2550)
1338		*delay_off = 2550;
1339
1340	/* Blink at 1 Hz if both values are zero */
1341	if (!*delay_on && !*delay_off)
1342		*delay_on = *delay_off = 500;
1343
1344	new_on = *delay_on / 10;
1345	new_off = *delay_off / 10;
1346
1347	for (n = 0; n < drv_data->led_count; n++) {
1348		if (led == drv_data->leds[n])
1349			break;
1350	}
1351
1352	/* This LED is not registered on this device */
1353	if (n >= drv_data->led_count)
1354		return -EINVAL;
1355
1356	/* Don't schedule work if the values didn't change */
1357	if (new_on != drv_data->led_delay_on[n] ||
1358		new_off != drv_data->led_delay_off[n]) {
1359		drv_data->led_delay_on[n] = new_on;
1360		drv_data->led_delay_off[n] = new_off;
1361		sony_schedule_work(drv_data, SONY_WORKER_STATE);
1362	}
1363
1364	return 0;
1365}
1366
1367static int sony_leds_init(struct sony_sc *sc)
1368{
1369	struct hid_device *hdev = sc->hdev;
1370	int n, ret = 0;
1371	int use_color_names;
1372	struct led_classdev *led;
1373	size_t name_sz;
1374	char *name;
1375	size_t name_len;
1376	const char *name_fmt;
1377	static const char * const color_name_str[] = { "red", "green", "blue",
1378						  "global" };
1379	u8 max_brightness[MAX_LEDS] = { [0 ... (MAX_LEDS - 1)] = 1 };
1380	u8 use_hw_blink[MAX_LEDS] = { 0 };
1381
1382	BUG_ON(!(sc->quirks & SONY_LED_SUPPORT));
1383
1384	if (sc->quirks & BUZZ_CONTROLLER) {
1385		sc->led_count = 4;
1386		use_color_names = 0;
1387		name_len = strlen("::buzz#");
1388		name_fmt = "%s::buzz%d";
1389		/* Validate expected report characteristics. */
1390		if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7))
1391			return -ENODEV;
1392	} else if (sc->quirks & MOTION_CONTROLLER) {
1393		sc->led_count = 3;
1394		memset(max_brightness, 255, 3);
1395		use_color_names = 1;
1396		name_len = 0;
1397		name_fmt = "%s:%s";
1398	} else if (sc->quirks & NAVIGATION_CONTROLLER) {
1399		static const u8 navigation_leds[4] = {0x01, 0x00, 0x00, 0x00};
1400
1401		memcpy(sc->led_state, navigation_leds, sizeof(navigation_leds));
1402		sc->led_count = 1;
1403		memset(use_hw_blink, 1, 4);
1404		use_color_names = 0;
1405		name_len = strlen("::sony#");
1406		name_fmt = "%s::sony%d";
1407	} else {
1408		sixaxis_set_leds_from_id(sc);
1409		sc->led_count = 4;
1410		memset(use_hw_blink, 1, 4);
1411		use_color_names = 0;
1412		name_len = strlen("::sony#");
1413		name_fmt = "%s::sony%d";
1414	}
1415
1416	/*
1417	 * Clear LEDs as we have no way of reading their initial state. This is
1418	 * only relevant if the driver is loaded after somebody actively set the
1419	 * LEDs to on
1420	 */
1421	sony_set_leds(sc);
1422
1423	name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1;
1424
1425	for (n = 0; n < sc->led_count; n++) {
1426
1427		if (use_color_names)
1428			name_sz = strlen(dev_name(&hdev->dev)) + strlen(color_name_str[n]) + 2;
1429
1430		led = devm_kzalloc(&hdev->dev, sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
1431		if (!led) {
1432			hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
1433			return -ENOMEM;
1434		}
1435
1436		name = (void *)(&led[1]);
1437		if (use_color_names)
1438			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev),
1439			color_name_str[n]);
1440		else
1441			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), n + 1);
1442		led->name = name;
1443		led->brightness = sc->led_state[n];
1444		led->max_brightness = max_brightness[n];
1445		led->flags = LED_CORE_SUSPENDRESUME;
1446		led->brightness_get = sony_led_get_brightness;
1447		led->brightness_set = sony_led_set_brightness;
1448
1449		if (use_hw_blink[n])
1450			led->blink_set = sony_led_blink_set;
1451
1452		sc->leds[n] = led;
1453
1454		ret = devm_led_classdev_register(&hdev->dev, led);
1455		if (ret) {
1456			hid_err(hdev, "Failed to register LED %d\n", n);
1457			return ret;
1458		}
1459	}
1460
1461	return 0;
1462}
1463
1464static void sixaxis_send_output_report(struct sony_sc *sc)
1465{
1466	static const union sixaxis_output_report_01 default_report = {
1467		.buf = {
1468			0x01,
1469			0x01, 0xff, 0x00, 0xff, 0x00,
1470			0x00, 0x00, 0x00, 0x00, 0x00,
1471			0xff, 0x27, 0x10, 0x00, 0x32,
1472			0xff, 0x27, 0x10, 0x00, 0x32,
1473			0xff, 0x27, 0x10, 0x00, 0x32,
1474			0xff, 0x27, 0x10, 0x00, 0x32,
1475			0x00, 0x00, 0x00, 0x00, 0x00
1476		}
1477	};
1478	struct sixaxis_output_report *report =
1479		(struct sixaxis_output_report *)sc->output_report_dmabuf;
1480	int n;
1481
1482	/* Initialize the report with default values */
1483	memcpy(report, &default_report, sizeof(struct sixaxis_output_report));
1484
1485#ifdef CONFIG_SONY_FF
1486	report->rumble.right_motor_on = sc->right ? 1 : 0;
1487	report->rumble.left_motor_force = sc->left;
1488#endif
1489
1490	report->leds_bitmap |= sc->led_state[0] << 1;
1491	report->leds_bitmap |= sc->led_state[1] << 2;
1492	report->leds_bitmap |= sc->led_state[2] << 3;
1493	report->leds_bitmap |= sc->led_state[3] << 4;
1494
1495	/* Set flag for all leds off, required for 3rd party INTEC controller */
1496	if ((report->leds_bitmap & 0x1E) == 0)
1497		report->leds_bitmap |= 0x20;
1498
1499	/*
1500	 * The LEDs in the report are indexed in reverse order to their
1501	 * corresponding light on the controller.
1502	 * Index 0 = LED 4, index 1 = LED 3, etc...
1503	 *
1504	 * In the case of both delay values being zero (blinking disabled) the
1505	 * default report values should be used or the controller LED will be
1506	 * always off.
1507	 */
1508	for (n = 0; n < 4; n++) {
1509		if (sc->led_delay_on[n] || sc->led_delay_off[n]) {
1510			report->led[3 - n].duty_off = sc->led_delay_off[n];
1511			report->led[3 - n].duty_on = sc->led_delay_on[n];
1512		}
1513	}
1514
1515	/* SHANWAN controllers require output reports via intr channel */
1516	if (sc->quirks & SHANWAN_GAMEPAD)
1517		hid_hw_output_report(sc->hdev, (u8 *)report,
1518				sizeof(struct sixaxis_output_report));
1519	else
1520		hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report,
1521				sizeof(struct sixaxis_output_report),
1522				HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
1523}
1524
1525static void motion_send_output_report(struct sony_sc *sc)
1526{
1527	struct hid_device *hdev = sc->hdev;
1528	struct motion_output_report_02 *report =
1529		(struct motion_output_report_02 *)sc->output_report_dmabuf;
1530
1531	memset(report, 0, MOTION_REPORT_0x02_SIZE);
1532
1533	report->type = 0x02; /* set leds */
1534	report->r = sc->led_state[0];
1535	report->g = sc->led_state[1];
1536	report->b = sc->led_state[2];
1537
1538#ifdef CONFIG_SONY_FF
1539	report->rumble = max(sc->right, sc->left);
1540#endif
1541
1542	hid_hw_output_report(hdev, (u8 *)report, MOTION_REPORT_0x02_SIZE);
1543}
1544
1545#ifdef CONFIG_SONY_FF
1546static inline void sony_send_output_report(struct sony_sc *sc)
1547{
1548	if (sc->send_output_report)
1549		sc->send_output_report(sc);
1550}
1551#endif
1552
1553static void sony_state_worker(struct work_struct *work)
1554{
1555	struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
1556
1557	sc->send_output_report(sc);
1558}
1559
1560static int sony_allocate_output_report(struct sony_sc *sc)
1561{
1562	if ((sc->quirks & SIXAXIS_CONTROLLER) ||
1563			(sc->quirks & NAVIGATION_CONTROLLER))
1564		sc->output_report_dmabuf =
1565			devm_kmalloc(&sc->hdev->dev,
1566				sizeof(union sixaxis_output_report_01),
1567				GFP_KERNEL);
1568	else if (sc->quirks & MOTION_CONTROLLER)
1569		sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
1570						MOTION_REPORT_0x02_SIZE,
1571						GFP_KERNEL);
1572	else
1573		return 0;
1574
1575	if (!sc->output_report_dmabuf)
1576		return -ENOMEM;
1577
1578	return 0;
1579}
1580
1581#ifdef CONFIG_SONY_FF
1582static int sony_play_effect(struct input_dev *dev, void *data,
1583			    struct ff_effect *effect)
1584{
1585	struct hid_device *hid = input_get_drvdata(dev);
1586	struct sony_sc *sc = hid_get_drvdata(hid);
1587
1588	if (effect->type != FF_RUMBLE)
1589		return 0;
1590
1591	sc->left = effect->u.rumble.strong_magnitude / 256;
1592	sc->right = effect->u.rumble.weak_magnitude / 256;
1593
1594	sony_schedule_work(sc, SONY_WORKER_STATE);
1595	return 0;
1596}
1597
1598static int sony_init_ff(struct sony_sc *sc)
1599{
1600	struct hid_input *hidinput;
1601	struct input_dev *input_dev;
1602
1603	if (list_empty(&sc->hdev->inputs)) {
1604		hid_err(sc->hdev, "no inputs found\n");
1605		return -ENODEV;
1606	}
1607	hidinput = list_entry(sc->hdev->inputs.next, struct hid_input, list);
1608	input_dev = hidinput->input;
1609
1610	input_set_capability(input_dev, EV_FF, FF_RUMBLE);
1611	return input_ff_create_memless(input_dev, NULL, sony_play_effect);
1612}
1613
1614#else
1615static int sony_init_ff(struct sony_sc *sc)
1616{
1617	return 0;
1618}
1619
1620#endif
1621
1622static int sony_battery_get_property(struct power_supply *psy,
1623				     enum power_supply_property psp,
1624				     union power_supply_propval *val)
1625{
1626	struct sony_sc *sc = power_supply_get_drvdata(psy);
1627	unsigned long flags;
1628	int ret = 0;
1629	u8 battery_capacity;
1630	int battery_status;
1631
1632	spin_lock_irqsave(&sc->lock, flags);
1633	battery_capacity = sc->battery_capacity;
1634	battery_status = sc->battery_status;
1635	spin_unlock_irqrestore(&sc->lock, flags);
1636
1637	switch (psp) {
1638	case POWER_SUPPLY_PROP_PRESENT:
1639		val->intval = 1;
1640		break;
1641	case POWER_SUPPLY_PROP_SCOPE:
1642		val->intval = POWER_SUPPLY_SCOPE_DEVICE;
1643		break;
1644	case POWER_SUPPLY_PROP_CAPACITY:
1645		val->intval = battery_capacity;
1646		break;
1647	case POWER_SUPPLY_PROP_STATUS:
1648		val->intval = battery_status;
1649		break;
1650	default:
1651		ret = -EINVAL;
1652		break;
1653	}
1654	return ret;
1655}
1656
1657static int sony_battery_probe(struct sony_sc *sc, int append_dev_id)
1658{
1659	const char *battery_str_fmt = append_dev_id ?
1660		"sony_controller_battery_%pMR_%i" :
1661		"sony_controller_battery_%pMR";
1662	struct power_supply_config psy_cfg = { .drv_data = sc, };
1663	struct hid_device *hdev = sc->hdev;
1664	int ret;
1665
1666	/*
1667	 * Set the default battery level to 100% to avoid low battery warnings
1668	 * if the battery is polled before the first device report is received.
1669	 */
1670	sc->battery_capacity = 100;
1671
1672	sc->battery_desc.properties = sony_battery_props;
1673	sc->battery_desc.num_properties = ARRAY_SIZE(sony_battery_props);
1674	sc->battery_desc.get_property = sony_battery_get_property;
1675	sc->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
1676	sc->battery_desc.use_for_apm = 0;
1677	sc->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
1678					  battery_str_fmt, sc->mac_address, sc->device_id);
1679	if (!sc->battery_desc.name)
1680		return -ENOMEM;
1681
1682	sc->battery = devm_power_supply_register(&hdev->dev, &sc->battery_desc,
1683					    &psy_cfg);
1684	if (IS_ERR(sc->battery)) {
1685		ret = PTR_ERR(sc->battery);
1686		hid_err(hdev, "Unable to register battery device\n");
1687		return ret;
1688	}
1689
1690	power_supply_powers(sc->battery, &hdev->dev);
1691	return 0;
1692}
1693
1694/*
1695 * If a controller is plugged in via USB while already connected via Bluetooth
1696 * it will show up as two devices. A global list of connected controllers and
1697 * their MAC addresses is maintained to ensure that a device is only connected
1698 * once.
1699 *
1700 * Some USB-only devices masquerade as Sixaxis controllers and all have the
1701 * same dummy Bluetooth address, so a comparison of the connection type is
1702 * required.  Devices are only rejected in the case where two devices have
1703 * matching Bluetooth addresses on different bus types.
1704 */
1705static inline int sony_compare_connection_type(struct sony_sc *sc0,
1706						struct sony_sc *sc1)
1707{
1708	const int sc0_not_bt = !(sc0->quirks & SONY_BT_DEVICE);
1709	const int sc1_not_bt = !(sc1->quirks & SONY_BT_DEVICE);
1710
1711	return sc0_not_bt == sc1_not_bt;
1712}
1713
1714static int sony_check_add_dev_list(struct sony_sc *sc)
1715{
1716	struct sony_sc *entry;
1717	unsigned long flags;
1718	int ret;
1719
1720	spin_lock_irqsave(&sony_dev_list_lock, flags);
1721
1722	list_for_each_entry(entry, &sony_device_list, list_node) {
1723		ret = memcmp(sc->mac_address, entry->mac_address,
1724				sizeof(sc->mac_address));
1725		if (!ret) {
1726			if (sony_compare_connection_type(sc, entry)) {
1727				ret = 1;
1728			} else {
1729				ret = -EEXIST;
1730				hid_info(sc->hdev,
1731				"controller with MAC address %pMR already connected\n",
1732				sc->mac_address);
1733			}
1734			goto unlock;
1735		}
1736	}
1737
1738	ret = 0;
1739	list_add(&(sc->list_node), &sony_device_list);
1740
1741unlock:
1742	spin_unlock_irqrestore(&sony_dev_list_lock, flags);
1743	return ret;
1744}
1745
1746static void sony_remove_dev_list(struct sony_sc *sc)
1747{
1748	unsigned long flags;
1749
1750	if (sc->list_node.next) {
1751		spin_lock_irqsave(&sony_dev_list_lock, flags);
1752		list_del(&(sc->list_node));
1753		spin_unlock_irqrestore(&sony_dev_list_lock, flags);
1754	}
1755}
1756
1757static int sony_get_bt_devaddr(struct sony_sc *sc)
1758{
1759	int ret;
1760
1761	/* HIDP stores the device MAC address as a string in the uniq field. */
1762	ret = strlen(sc->hdev->uniq);
1763	if (ret != 17)
1764		return -EINVAL;
1765
1766	ret = sscanf(sc->hdev->uniq,
1767		"%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
1768		&sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3],
1769		&sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]);
1770
1771	if (ret != 6)
1772		return -EINVAL;
1773
1774	return 0;
1775}
1776
1777static int sony_check_add(struct sony_sc *sc)
1778{
1779	u8 *buf = NULL;
1780	int n, ret;
1781
1782	if ((sc->quirks & MOTION_CONTROLLER_BT) ||
1783	    (sc->quirks & NAVIGATION_CONTROLLER_BT) ||
1784	    (sc->quirks & SIXAXIS_CONTROLLER_BT)) {
1785		/*
1786		 * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC
1787		 * address from the uniq string where HIDP stores it.
1788		 * As uniq cannot be guaranteed to be a MAC address in all cases
1789		 * a failure of this function should not prevent the connection.
1790		 */
1791		if (sony_get_bt_devaddr(sc) < 0) {
1792			hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n");
1793			return 0;
1794		}
1795	} else if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
1796			(sc->quirks & NAVIGATION_CONTROLLER_USB)) {
1797		buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL);
1798		if (!buf)
1799			return -ENOMEM;
1800
1801		/*
1802		 * The MAC address of a Sixaxis controller connected via USB can
1803		 * be retrieved with feature report 0xf2. The address begins at
1804		 * offset 4.
1805		 */
1806		ret = hid_hw_raw_request(sc->hdev, 0xf2, buf,
1807				SIXAXIS_REPORT_0xF2_SIZE, HID_FEATURE_REPORT,
1808				HID_REQ_GET_REPORT);
1809
1810		if (ret != SIXAXIS_REPORT_0xF2_SIZE) {
1811			hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n");
1812			ret = ret < 0 ? ret : -EINVAL;
1813			goto out_free;
1814		}
1815
1816		/*
1817		 * The Sixaxis device MAC in the report is big-endian and must
1818		 * be byte-swapped.
1819		 */
1820		for (n = 0; n < 6; n++)
1821			sc->mac_address[5-n] = buf[4+n];
1822
1823		snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
1824			 "%pMR", sc->mac_address);
1825	} else {
1826		return 0;
1827	}
1828
1829	ret = sony_check_add_dev_list(sc);
1830
1831out_free:
1832
1833	kfree(buf);
1834
1835	return ret;
1836}
1837
1838static int sony_set_device_id(struct sony_sc *sc)
1839{
1840	int ret;
1841
1842	/*
1843	 * Only Sixaxis controllers get an id.
1844	 * All others are set to -1.
1845	 */
1846	if (sc->quirks & SIXAXIS_CONTROLLER) {
1847		ret = ida_simple_get(&sony_device_id_allocator, 0, 0,
1848					GFP_KERNEL);
1849		if (ret < 0) {
1850			sc->device_id = -1;
1851			return ret;
1852		}
1853		sc->device_id = ret;
1854	} else {
1855		sc->device_id = -1;
1856	}
1857
1858	return 0;
1859}
1860
1861static void sony_release_device_id(struct sony_sc *sc)
1862{
1863	if (sc->device_id >= 0) {
1864		ida_simple_remove(&sony_device_id_allocator, sc->device_id);
1865		sc->device_id = -1;
1866	}
1867}
1868
1869static inline void sony_init_output_report(struct sony_sc *sc,
1870				void (*send_output_report)(struct sony_sc *))
1871{
1872	sc->send_output_report = send_output_report;
1873
1874	if (!sc->state_worker_initialized)
1875		INIT_WORK(&sc->state_worker, sony_state_worker);
1876
1877	sc->state_worker_initialized = 1;
1878}
1879
1880static inline void sony_cancel_work_sync(struct sony_sc *sc)
1881{
1882	unsigned long flags;
1883
1884	if (sc->state_worker_initialized) {
1885		spin_lock_irqsave(&sc->lock, flags);
1886		sc->state_worker_initialized = 0;
1887		spin_unlock_irqrestore(&sc->lock, flags);
1888		cancel_work_sync(&sc->state_worker);
1889	}
1890}
1891
1892static int sony_input_configured(struct hid_device *hdev,
1893					struct hid_input *hidinput)
1894{
1895	struct sony_sc *sc = hid_get_drvdata(hdev);
1896	int append_dev_id;
1897	int ret;
1898
1899	ret = sony_set_device_id(sc);
1900	if (ret < 0) {
1901		hid_err(hdev, "failed to allocate the device id\n");
1902		goto err_stop;
1903	}
1904
1905	ret = append_dev_id = sony_check_add(sc);
1906	if (ret < 0)
1907		goto err_stop;
1908
1909	ret = sony_allocate_output_report(sc);
1910	if (ret < 0) {
1911		hid_err(hdev, "failed to allocate the output report buffer\n");
1912		goto err_stop;
1913	}
1914
1915	if (sc->quirks & NAVIGATION_CONTROLLER_USB) {
1916		/*
1917		 * The Sony Sixaxis does not handle HID Output Reports on the
1918		 * Interrupt EP like it could, so we need to force HID Output
1919		 * Reports to use HID_REQ_SET_REPORT on the Control EP.
1920		 *
1921		 * There is also another issue about HID Output Reports via USB,
1922		 * the Sixaxis does not want the report_id as part of the data
1923		 * packet, so we have to discard buf[0] when sending the actual
1924		 * control message, even for numbered reports, humpf!
1925		 *
1926		 * Additionally, the Sixaxis on USB isn't properly initialized
1927		 * until the PS logo button is pressed and as such won't retain
1928		 * any state set by an output report, so the initial
1929		 * configuration report is deferred until the first input
1930		 * report arrives.
1931		 */
1932		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
1933		hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
1934		sc->defer_initialization = 1;
1935
1936		ret = sixaxis_set_operational_usb(hdev);
1937		if (ret < 0) {
1938			hid_err(hdev, "Failed to set controller into operational mode\n");
1939			goto err_stop;
1940		}
1941
1942		sony_init_output_report(sc, sixaxis_send_output_report);
1943	} else if (sc->quirks & NAVIGATION_CONTROLLER_BT) {
1944		/*
1945		 * The Navigation controller wants output reports sent on the ctrl
1946		 * endpoint when connected via Bluetooth.
1947		 */
1948		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
1949
1950		ret = sixaxis_set_operational_bt(hdev);
1951		if (ret < 0) {
1952			hid_err(hdev, "Failed to set controller into operational mode\n");
1953			goto err_stop;
1954		}
1955
1956		sony_init_output_report(sc, sixaxis_send_output_report);
1957	} else if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
1958		/*
1959		 * The Sony Sixaxis does not handle HID Output Reports on the
1960		 * Interrupt EP and the device only becomes active when the
1961		 * PS button is pressed. See comment for Navigation controller
1962		 * above for more details.
1963		 */
1964		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
1965		hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
1966		sc->defer_initialization = 1;
1967
1968		ret = sixaxis_set_operational_usb(hdev);
1969		if (ret < 0) {
1970			hid_err(hdev, "Failed to set controller into operational mode\n");
1971			goto err_stop;
1972		}
1973
1974		ret = sony_register_sensors(sc);
1975		if (ret) {
1976			hid_err(sc->hdev,
1977			"Unable to initialize motion sensors: %d\n", ret);
1978			goto err_stop;
1979		}
1980
1981		sony_init_output_report(sc, sixaxis_send_output_report);
1982	} else if (sc->quirks & SIXAXIS_CONTROLLER_BT) {
1983		/*
1984		 * The Sixaxis wants output reports sent on the ctrl endpoint
1985		 * when connected via Bluetooth.
1986		 */
1987		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
1988
1989		ret = sixaxis_set_operational_bt(hdev);
1990		if (ret < 0) {
1991			hid_err(hdev, "Failed to set controller into operational mode\n");
1992			goto err_stop;
1993		}
1994
1995		ret = sony_register_sensors(sc);
1996		if (ret) {
1997			hid_err(sc->hdev,
1998			"Unable to initialize motion sensors: %d\n", ret);
1999			goto err_stop;
2000		}
2001
2002		sony_init_output_report(sc, sixaxis_send_output_report);
2003	} else if (sc->quirks & NSG_MRXU_REMOTE) {
2004		/*
2005		 * The NSG-MRxU touchpad supports 2 touches and has a
2006		 * resolution of 1667x1868
2007		 */
2008		ret = sony_register_touchpad(sc, 2,
2009			NSG_MRXU_MAX_X, NSG_MRXU_MAX_Y, 15, 15, 1);
2010		if (ret) {
2011			hid_err(sc->hdev,
2012			"Unable to initialize multi-touch slots: %d\n",
2013			ret);
2014			goto err_stop;
2015		}
2016
2017	} else if (sc->quirks & MOTION_CONTROLLER) {
2018		sony_init_output_report(sc, motion_send_output_report);
2019	} else {
2020		ret = 0;
2021	}
2022
2023	if (sc->quirks & SONY_LED_SUPPORT) {
2024		ret = sony_leds_init(sc);
2025		if (ret < 0)
2026			goto err_stop;
2027	}
2028
2029	if (sc->quirks & SONY_BATTERY_SUPPORT) {
2030		ret = sony_battery_probe(sc, append_dev_id);
2031		if (ret < 0)
2032			goto err_stop;
2033
2034		/* Open the device to receive reports with battery info */
2035		ret = hid_hw_open(hdev);
2036		if (ret < 0) {
2037			hid_err(hdev, "hw open failed\n");
2038			goto err_stop;
2039		}
2040	}
2041
2042	if (sc->quirks & SONY_FF_SUPPORT) {
2043		ret = sony_init_ff(sc);
2044		if (ret < 0)
2045			goto err_close;
2046	}
2047
2048	return 0;
2049err_close:
2050	hid_hw_close(hdev);
2051err_stop:
2052	sony_cancel_work_sync(sc);
2053	sony_remove_dev_list(sc);
2054	sony_release_device_id(sc);
2055	return ret;
2056}
2057
2058static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
2059{
2060	int ret;
2061	unsigned long quirks = id->driver_data;
2062	struct sony_sc *sc;
2063	struct usb_device *usbdev;
2064	unsigned int connect_mask = HID_CONNECT_DEFAULT;
2065
2066	if (!strcmp(hdev->name, "FutureMax Dance Mat"))
2067		quirks |= FUTUREMAX_DANCE_MAT;
2068
2069	if (!strcmp(hdev->name, "SHANWAN PS3 GamePad") ||
2070	    !strcmp(hdev->name, "ShanWan PS(R) Ga`epad"))
2071		quirks |= SHANWAN_GAMEPAD;
2072
2073	sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
2074	if (sc == NULL) {
2075		hid_err(hdev, "can't alloc sony descriptor\n");
2076		return -ENOMEM;
2077	}
2078
2079	spin_lock_init(&sc->lock);
2080
2081	sc->quirks = quirks;
2082	hid_set_drvdata(hdev, sc);
2083	sc->hdev = hdev;
2084
2085	ret = hid_parse(hdev);
2086	if (ret) {
2087		hid_err(hdev, "parse failed\n");
2088		return ret;
2089	}
2090
2091	if (sc->quirks & VAIO_RDESC_CONSTANT)
2092		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
2093	else if (sc->quirks & SIXAXIS_CONTROLLER)
2094		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
2095
2096	/* Patch the hw version on DS3 compatible devices, so applications can
2097	 * distinguish between the default HID mappings and the mappings defined
2098	 * by the Linux game controller spec. This is important for the SDL2
2099	 * library, which has a game controller database, which uses device ids
2100	 * in combination with version as a key.
2101	 */
2102	if (sc->quirks & SIXAXIS_CONTROLLER)
2103		hdev->version |= 0x8000;
2104
2105	ret = hid_hw_start(hdev, connect_mask);
2106	if (ret) {
2107		hid_err(hdev, "hw start failed\n");
2108		return ret;
2109	}
2110
2111	/* sony_input_configured can fail, but this doesn't result
2112	 * in hid_hw_start failures (intended). Check whether
2113	 * the HID layer claimed the device else fail.
2114	 * We don't know the actual reason for the failure, most
2115	 * likely it is due to EEXIST in case of double connection
2116	 * of USB and Bluetooth, but could have been due to ENOMEM
2117	 * or other reasons as well.
2118	 */
2119	if (!(hdev->claimed & HID_CLAIMED_INPUT)) {
2120		hid_err(hdev, "failed to claim input\n");
2121		ret = -ENODEV;
2122		goto err;
2123	}
2124
2125	if (sc->quirks & (GHL_GUITAR_PS3WIIU | GHL_GUITAR_PS4)) {
2126		if (!hid_is_usb(hdev)) {
2127			ret = -EINVAL;
2128			goto err;
2129		}
2130
2131		usbdev = to_usb_device(sc->hdev->dev.parent->parent);
2132
2133		sc->ghl_urb = usb_alloc_urb(0, GFP_ATOMIC);
2134		if (!sc->ghl_urb) {
2135			ret = -ENOMEM;
2136			goto err;
2137		}
2138
2139		if (sc->quirks & GHL_GUITAR_PS3WIIU)
2140			ret = ghl_init_urb(sc, usbdev, ghl_ps3wiiu_magic_data,
2141							   ARRAY_SIZE(ghl_ps3wiiu_magic_data));
2142		else if (sc->quirks & GHL_GUITAR_PS4)
2143			ret = ghl_init_urb(sc, usbdev, ghl_ps4_magic_data,
2144							   ARRAY_SIZE(ghl_ps4_magic_data));
2145		if (ret) {
2146			hid_err(hdev, "error preparing URB\n");
2147			goto err;
2148		}
2149
2150		timer_setup(&sc->ghl_poke_timer, ghl_magic_poke, 0);
2151		mod_timer(&sc->ghl_poke_timer,
2152			  jiffies + GHL_GUITAR_POKE_INTERVAL*HZ);
2153	}
2154
2155	return ret;
2156
2157err:
2158	usb_free_urb(sc->ghl_urb);
2159
2160	hid_hw_stop(hdev);
2161	return ret;
2162}
2163
2164static void sony_remove(struct hid_device *hdev)
2165{
2166	struct sony_sc *sc = hid_get_drvdata(hdev);
2167
2168	if (sc->quirks & (GHL_GUITAR_PS3WIIU | GHL_GUITAR_PS4)) {
2169		del_timer_sync(&sc->ghl_poke_timer);
2170		usb_free_urb(sc->ghl_urb);
2171	}
2172
2173	hid_hw_close(hdev);
2174
2175	sony_cancel_work_sync(sc);
2176
2177	sony_remove_dev_list(sc);
2178
2179	sony_release_device_id(sc);
2180
2181	hid_hw_stop(hdev);
2182}
2183
2184#ifdef CONFIG_PM
2185
2186static int sony_suspend(struct hid_device *hdev, pm_message_t message)
2187{
2188#ifdef CONFIG_SONY_FF
2189
2190	/* On suspend stop any running force-feedback events */
2191	if (SONY_FF_SUPPORT) {
2192		struct sony_sc *sc = hid_get_drvdata(hdev);
2193
2194		sc->left = sc->right = 0;
2195		sony_send_output_report(sc);
2196	}
2197
2198#endif
2199	return 0;
2200}
2201
2202static int sony_resume(struct hid_device *hdev)
2203{
2204	struct sony_sc *sc = hid_get_drvdata(hdev);
2205
2206	/*
2207	 * The Sixaxis and navigation controllers on USB need to be
2208	 * reinitialized on resume or they won't behave properly.
2209	 */
2210	if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
2211		(sc->quirks & NAVIGATION_CONTROLLER_USB)) {
2212		sixaxis_set_operational_usb(sc->hdev);
2213		sc->defer_initialization = 1;
2214	}
2215
2216	return 0;
2217}
2218
2219#endif
2220
2221static const struct hid_device_id sony_devices[] = {
2222	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
2223		.driver_data = SIXAXIS_CONTROLLER_USB },
2224	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
2225		.driver_data = NAVIGATION_CONTROLLER_USB },
2226	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
2227		.driver_data = NAVIGATION_CONTROLLER_BT },
2228	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
2229		.driver_data = MOTION_CONTROLLER_USB },
2230	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER),
2231		.driver_data = MOTION_CONTROLLER_BT },
2232	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
2233		.driver_data = SIXAXIS_CONTROLLER_BT },
2234	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
2235		.driver_data = VAIO_RDESC_CONSTANT },
2236	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
2237		.driver_data = VAIO_RDESC_CONSTANT },
2238	/*
2239	 * Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
2240	 * Logitech joystick from the device descriptor.
2241	 */
2242	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
2243		.driver_data = BUZZ_CONTROLLER },
2244	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
2245		.driver_data = BUZZ_CONTROLLER },
2246	/* PS3 BD Remote Control */
2247	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
2248		.driver_data = PS3REMOTE },
2249	/* Logitech Harmony Adapter for PS3 */
2250	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
2251		.driver_data = PS3REMOTE },
2252	/* SMK-Link PS3 BD Remote Control */
2253	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE),
2254		.driver_data = PS3REMOTE },
2255	/* Nyko Core Controller for PS3 */
2256	{ HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER),
2257		.driver_data = SIXAXIS_CONTROLLER_USB | SINO_LITE_CONTROLLER },
2258	/* SMK-Link NSG-MR5U Remote Control */
2259	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR5U_REMOTE),
2260		.driver_data = NSG_MR5U_REMOTE_BT },
2261	/* SMK-Link NSG-MR7U Remote Control */
2262	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR7U_REMOTE),
2263		.driver_data = NSG_MR7U_REMOTE_BT },
2264	/* Guitar Hero Live PS3 and Wii U guitar dongles */
2265	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY_RHYTHM, USB_DEVICE_ID_SONY_PS3WIIU_GHLIVE_DONGLE),
2266		.driver_data = GHL_GUITAR_PS3WIIU | GH_GUITAR_CONTROLLER },
2267	/* Guitar Hero PC Guitar Dongle */
2268	{ HID_USB_DEVICE(USB_VENDOR_ID_REDOCTANE, USB_DEVICE_ID_REDOCTANE_GUITAR_DONGLE),
2269		.driver_data = GH_GUITAR_CONTROLLER },
2270	/* Guitar Hero PS3 World Tour Guitar Dongle */
2271	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY_RHYTHM, USB_DEVICE_ID_SONY_PS3_GUITAR_DONGLE),
2272		.driver_data = GH_GUITAR_CONTROLLER },
2273	/* Guitar Hero Live PS4 guitar dongles */
2274	{ HID_USB_DEVICE(USB_VENDOR_ID_REDOCTANE, USB_DEVICE_ID_REDOCTANE_PS4_GHLIVE_DONGLE),
2275		.driver_data = GHL_GUITAR_PS4 | GH_GUITAR_CONTROLLER },
2276	{ }
2277};
2278MODULE_DEVICE_TABLE(hid, sony_devices);
2279
2280static struct hid_driver sony_driver = {
2281	.name             = "sony",
2282	.id_table         = sony_devices,
2283	.input_mapping    = sony_mapping,
2284	.input_configured = sony_input_configured,
2285	.probe            = sony_probe,
2286	.remove           = sony_remove,
2287	.report_fixup     = sony_report_fixup,
2288	.raw_event        = sony_raw_event,
2289
2290#ifdef CONFIG_PM
2291	.suspend          = sony_suspend,
2292	.resume	          = sony_resume,
2293	.reset_resume     = sony_resume,
2294#endif
2295};
2296
2297static int __init sony_init(void)
2298{
2299	dbg_hid("Sony:%s\n", __func__);
2300
2301	return hid_register_driver(&sony_driver);
2302}
2303
2304static void __exit sony_exit(void)
2305{
2306	dbg_hid("Sony:%s\n", __func__);
2307
2308	hid_unregister_driver(&sony_driver);
2309	ida_destroy(&sony_device_id_allocator);
2310}
2311module_init(sony_init);
2312module_exit(sony_exit);
2313
2314MODULE_LICENSE("GPL");
2315