mm, hugetlb: remove useless check about mapping type
[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / hid / hid-sony.c
1 /*
2  *  HID driver for Sony / PS2 / PS3 BD devices.
3  *
4  *  Copyright (c) 1999 Andreas Gal
5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7  *  Copyright (c) 2008 Jiri Slaby
8  *  Copyright (c) 2012 David Dillow <dave@thedillows.org>
9  *  Copyright (c) 2006-2013 Jiri Kosina
10  *  Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com>
11  */
12
13 /*
14  * This program is free software; you can redistribute it and/or modify it
15  * under the terms of the GNU General Public License as published by the Free
16  * Software Foundation; either version 2 of the License, or (at your option)
17  * any later version.
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/usb.h>
32 #include <linux/leds.h>
33
34 #include "hid-ids.h"
35
36 #define VAIO_RDESC_CONSTANT     (1 << 0)
37 #define SIXAXIS_CONTROLLER_USB  (1 << 1)
38 #define SIXAXIS_CONTROLLER_BT   (1 << 2)
39 #define BUZZ_CONTROLLER         (1 << 3)
40 #define PS3REMOTE               (1 << 4)
41
42 static const u8 sixaxis_rdesc_fixup[] = {
43         0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C,
44         0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF,
45         0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02
46 };
47
48 static const u8 sixaxis_rdesc_fixup2[] = {
49         0x05, 0x01, 0x09, 0x04, 0xa1, 0x01, 0xa1, 0x02,
50         0x85, 0x01, 0x75, 0x08, 0x95, 0x01, 0x15, 0x00,
51         0x26, 0xff, 0x00, 0x81, 0x03, 0x75, 0x01, 0x95,
52         0x13, 0x15, 0x00, 0x25, 0x01, 0x35, 0x00, 0x45,
53         0x01, 0x05, 0x09, 0x19, 0x01, 0x29, 0x13, 0x81,
54         0x02, 0x75, 0x01, 0x95, 0x0d, 0x06, 0x00, 0xff,
55         0x81, 0x03, 0x15, 0x00, 0x26, 0xff, 0x00, 0x05,
56         0x01, 0x09, 0x01, 0xa1, 0x00, 0x75, 0x08, 0x95,
57         0x04, 0x35, 0x00, 0x46, 0xff, 0x00, 0x09, 0x30,
58         0x09, 0x31, 0x09, 0x32, 0x09, 0x35, 0x81, 0x02,
59         0xc0, 0x05, 0x01, 0x95, 0x13, 0x09, 0x01, 0x81,
60         0x02, 0x95, 0x0c, 0x81, 0x01, 0x75, 0x10, 0x95,
61         0x04, 0x26, 0xff, 0x03, 0x46, 0xff, 0x03, 0x09,
62         0x01, 0x81, 0x02, 0xc0, 0xa1, 0x02, 0x85, 0x02,
63         0x75, 0x08, 0x95, 0x30, 0x09, 0x01, 0xb1, 0x02,
64         0xc0, 0xa1, 0x02, 0x85, 0xee, 0x75, 0x08, 0x95,
65         0x30, 0x09, 0x01, 0xb1, 0x02, 0xc0, 0xa1, 0x02,
66         0x85, 0xef, 0x75, 0x08, 0x95, 0x30, 0x09, 0x01,
67         0xb1, 0x02, 0xc0, 0xc0,
68 };
69
70 static __u8 ps3remote_rdesc[] = {
71         0x05, 0x01,          /* GUsagePage Generic Desktop */
72         0x09, 0x05,          /* LUsage 0x05 [Game Pad] */
73         0xA1, 0x01,          /* MCollection Application (mouse, keyboard) */
74
75          /* Use collection 1 for joypad buttons */
76          0xA1, 0x02,         /* MCollection Logical (interrelated data) */
77
78           /* Ignore the 1st byte, maybe it is used for a controller
79            * number but it's not needed for correct operation */
80           0x75, 0x08,        /* GReportSize 0x08 [8] */
81           0x95, 0x01,        /* GReportCount 0x01 [1] */
82           0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
83
84           /* Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
85            * buttons multiple keypresses are allowed */
86           0x05, 0x09,        /* GUsagePage Button */
87           0x19, 0x01,        /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
88           0x29, 0x18,        /* LUsageMaximum 0x18 [Button 24] */
89           0x14,              /* GLogicalMinimum [0] */
90           0x25, 0x01,        /* GLogicalMaximum 0x01 [1] */
91           0x75, 0x01,        /* GReportSize 0x01 [1] */
92           0x95, 0x18,        /* GReportCount 0x18 [24] */
93           0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
94
95           0xC0,              /* MEndCollection */
96
97          /* Use collection 2 for remote control buttons */
98          0xA1, 0x02,         /* MCollection Logical (interrelated data) */
99
100           /* 5th byte is used for remote control buttons */
101           0x05, 0x09,        /* GUsagePage Button */
102           0x18,              /* LUsageMinimum [No button pressed] */
103           0x29, 0xFE,        /* LUsageMaximum 0xFE [Button 254] */
104           0x14,              /* GLogicalMinimum [0] */
105           0x26, 0xFE, 0x00,  /* GLogicalMaximum 0x00FE [254] */
106           0x75, 0x08,        /* GReportSize 0x08 [8] */
107           0x95, 0x01,        /* GReportCount 0x01 [1] */
108           0x80,              /* MInput  */
109
110           /* Ignore bytes from 6th to 11th, 6th to 10th are always constant at
111            * 0xff and 11th is for press indication */
112           0x75, 0x08,        /* GReportSize 0x08 [8] */
113           0x95, 0x06,        /* GReportCount 0x06 [6] */
114           0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
115
116           /* 12th byte is for battery strength */
117           0x05, 0x06,        /* GUsagePage Generic Device Controls */
118           0x09, 0x20,        /* LUsage 0x20 [Battery Strength] */
119           0x14,              /* GLogicalMinimum [0] */
120           0x25, 0x05,        /* GLogicalMaximum 0x05 [5] */
121           0x75, 0x08,        /* GReportSize 0x08 [8] */
122           0x95, 0x01,        /* GReportCount 0x01 [1] */
123           0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
124
125           0xC0,              /* MEndCollection */
126
127          0xC0                /* MEndCollection [Game Pad] */
128 };
129
130 static const unsigned int ps3remote_keymap_joypad_buttons[] = {
131         [0x01] = KEY_SELECT,
132         [0x02] = BTN_THUMBL,            /* L3 */
133         [0x03] = BTN_THUMBR,            /* R3 */
134         [0x04] = BTN_START,
135         [0x05] = KEY_UP,
136         [0x06] = KEY_RIGHT,
137         [0x07] = KEY_DOWN,
138         [0x08] = KEY_LEFT,
139         [0x09] = BTN_TL2,               /* L2 */
140         [0x0a] = BTN_TR2,               /* R2 */
141         [0x0b] = BTN_TL,                /* L1 */
142         [0x0c] = BTN_TR,                /* R1 */
143         [0x0d] = KEY_OPTION,            /* options/triangle */
144         [0x0e] = KEY_BACK,              /* back/circle */
145         [0x0f] = BTN_0,                 /* cross */
146         [0x10] = KEY_SCREEN,            /* view/square */
147         [0x11] = KEY_HOMEPAGE,          /* PS button */
148         [0x14] = KEY_ENTER,
149 };
150 static const unsigned int ps3remote_keymap_remote_buttons[] = {
151         [0x00] = KEY_1,
152         [0x01] = KEY_2,
153         [0x02] = KEY_3,
154         [0x03] = KEY_4,
155         [0x04] = KEY_5,
156         [0x05] = KEY_6,
157         [0x06] = KEY_7,
158         [0x07] = KEY_8,
159         [0x08] = KEY_9,
160         [0x09] = KEY_0,
161         [0x0e] = KEY_ESC,               /* return */
162         [0x0f] = KEY_CLEAR,
163         [0x16] = KEY_EJECTCD,
164         [0x1a] = KEY_MENU,              /* top menu */
165         [0x28] = KEY_TIME,
166         [0x30] = KEY_PREVIOUS,
167         [0x31] = KEY_NEXT,
168         [0x32] = KEY_PLAY,
169         [0x33] = KEY_REWIND,            /* scan back */
170         [0x34] = KEY_FORWARD,           /* scan forward */
171         [0x38] = KEY_STOP,
172         [0x39] = KEY_PAUSE,
173         [0x40] = KEY_CONTEXT_MENU,      /* pop up/menu */
174         [0x60] = KEY_FRAMEBACK,         /* slow/step back */
175         [0x61] = KEY_FRAMEFORWARD,      /* slow/step forward */
176         [0x63] = KEY_SUBTITLE,
177         [0x64] = KEY_AUDIO,
178         [0x65] = KEY_ANGLE,
179         [0x70] = KEY_INFO,              /* display */
180         [0x80] = KEY_BLUE,
181         [0x81] = KEY_RED,
182         [0x82] = KEY_GREEN,
183         [0x83] = KEY_YELLOW,
184 };
185
186 static const unsigned int buzz_keymap[] = {
187         /* The controller has 4 remote buzzers, each with one LED and 5
188          * buttons.
189          * 
190          * We use the mapping chosen by the controller, which is:
191          *
192          * Key          Offset
193          * -------------------
194          * Buzz              1
195          * Blue              5
196          * Orange            4
197          * Green             3
198          * Yellow            2
199          *
200          * So, for example, the orange button on the third buzzer is mapped to
201          * BTN_TRIGGER_HAPPY14
202          */
203         [ 1] = BTN_TRIGGER_HAPPY1,
204         [ 2] = BTN_TRIGGER_HAPPY2,
205         [ 3] = BTN_TRIGGER_HAPPY3,
206         [ 4] = BTN_TRIGGER_HAPPY4,
207         [ 5] = BTN_TRIGGER_HAPPY5,
208         [ 6] = BTN_TRIGGER_HAPPY6,
209         [ 7] = BTN_TRIGGER_HAPPY7,
210         [ 8] = BTN_TRIGGER_HAPPY8,
211         [ 9] = BTN_TRIGGER_HAPPY9,
212         [10] = BTN_TRIGGER_HAPPY10,
213         [11] = BTN_TRIGGER_HAPPY11,
214         [12] = BTN_TRIGGER_HAPPY12,
215         [13] = BTN_TRIGGER_HAPPY13,
216         [14] = BTN_TRIGGER_HAPPY14,
217         [15] = BTN_TRIGGER_HAPPY15,
218         [16] = BTN_TRIGGER_HAPPY16,
219         [17] = BTN_TRIGGER_HAPPY17,
220         [18] = BTN_TRIGGER_HAPPY18,
221         [19] = BTN_TRIGGER_HAPPY19,
222         [20] = BTN_TRIGGER_HAPPY20,
223 };
224
225 struct sony_sc {
226         unsigned long quirks;
227
228         void *extra;
229 };
230
231 struct buzz_extra {
232         int led_state;
233         struct led_classdev *leds[4];
234 };
235
236 static __u8 *ps3remote_fixup(struct hid_device *hdev, __u8 *rdesc,
237                              unsigned int *rsize)
238 {
239         *rsize = sizeof(ps3remote_rdesc);
240         return ps3remote_rdesc;
241 }
242
243 static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
244                              struct hid_field *field, struct hid_usage *usage,
245                              unsigned long **bit, int *max)
246 {
247         unsigned int key = usage->hid & HID_USAGE;
248
249         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
250                 return -1;
251
252         switch (usage->collection_index) {
253         case 1:
254                 if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
255                         return -1;
256
257                 key = ps3remote_keymap_joypad_buttons[key];
258                 if (!key)
259                         return -1;
260                 break;
261         case 2:
262                 if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
263                         return -1;
264
265                 key = ps3remote_keymap_remote_buttons[key];
266                 if (!key)
267                         return -1;
268                 break;
269         default:
270                 return -1;
271         }
272
273         hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
274         return 1;
275 }
276
277
278 /* Sony Vaio VGX has wrongly mouse pointer declared as constant */
279 static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
280                 unsigned int *rsize)
281 {
282         struct sony_sc *sc = hid_get_drvdata(hdev);
283
284         /*
285          * Some Sony RF receivers wrongly declare the mouse pointer as a
286          * a constant non-data variable.
287          */
288         if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
289             /* usage page: generic desktop controls */
290             /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
291             /* usage: mouse */
292             rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
293             /* input (usage page for x,y axes): constant, variable, relative */
294             rdesc[54] == 0x81 && rdesc[55] == 0x07) {
295                 hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
296                 /* input: data, variable, relative */
297                 rdesc[55] = 0x06;
298         }
299
300         /* The HID descriptor exposed over BT has a trailing zero byte */
301         if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) ||
302                         ((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) &&
303                         rdesc[83] == 0x75) {
304                 hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n");
305                 memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup,
306                         sizeof(sixaxis_rdesc_fixup));
307         } else if (sc->quirks & SIXAXIS_CONTROLLER_USB &&
308                    *rsize > sizeof(sixaxis_rdesc_fixup2)) {
309                 hid_info(hdev, "Sony Sixaxis clone detected. Using original report descriptor (size: %d clone; %d new)\n",
310                          *rsize, (int)sizeof(sixaxis_rdesc_fixup2));
311                 *rsize = sizeof(sixaxis_rdesc_fixup2);
312                 memcpy(rdesc, &sixaxis_rdesc_fixup2, *rsize);
313         }
314
315         if (sc->quirks & PS3REMOTE)
316                 return ps3remote_fixup(hdev, rdesc, rsize);
317
318         return rdesc;
319 }
320
321 static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
322                 __u8 *rd, int size)
323 {
324         struct sony_sc *sc = hid_get_drvdata(hdev);
325
326         /* Sixaxis HID report has acclerometers/gyro with MSByte first, this
327          * has to be BYTE_SWAPPED before passing up to joystick interface
328          */
329         if ((sc->quirks & (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)) &&
330                         rd[0] == 0x01 && size == 49) {
331                 swap(rd[41], rd[42]);
332                 swap(rd[43], rd[44]);
333                 swap(rd[45], rd[46]);
334                 swap(rd[47], rd[48]);
335         }
336
337         return 0;
338 }
339
340 static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
341                         struct hid_field *field, struct hid_usage *usage,
342                         unsigned long **bit, int *max)
343 {
344         struct sony_sc *sc = hid_get_drvdata(hdev);
345
346         if (sc->quirks & BUZZ_CONTROLLER) {
347                 unsigned int key = usage->hid & HID_USAGE;
348
349                 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
350                         return -1;
351
352                 switch (usage->collection_index) {
353                 case 1:
354                         if (key >= ARRAY_SIZE(buzz_keymap))
355                                 return -1;
356
357                         key = buzz_keymap[key];
358                         if (!key)
359                                 return -1;
360                         break;
361                 default:
362                         return -1;
363                 }
364
365                 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
366                 return 1;
367         }
368
369         if (sc->quirks & PS3REMOTE)
370                 return ps3remote_mapping(hdev, hi, field, usage, bit, max);
371
372         /* Let hid-core decide for the others */
373         return 0;
374 }
375
376 /*
377  * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP
378  * like it should according to usbhid/hid-core.c::usbhid_output_raw_report()
379  * so we need to override that forcing HID Output Reports on the Control EP.
380  *
381  * There is also another issue about HID Output Reports via USB, the Sixaxis
382  * does not want the report_id as part of the data packet, so we have to
383  * discard buf[0] when sending the actual control message, even for numbered
384  * reports, humpf!
385  */
386 static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf,
387                 size_t count, unsigned char report_type)
388 {
389         struct usb_interface *intf = to_usb_interface(hid->dev.parent);
390         struct usb_device *dev = interface_to_usbdev(intf);
391         struct usb_host_interface *interface = intf->cur_altsetting;
392         int report_id = buf[0];
393         int ret;
394
395         if (report_type == HID_OUTPUT_REPORT) {
396                 /* Don't send the Report ID */
397                 buf++;
398                 count--;
399         }
400
401         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
402                 HID_REQ_SET_REPORT,
403                 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
404                 ((report_type + 1) << 8) | report_id,
405                 interface->desc.bInterfaceNumber, buf, count,
406                 USB_CTRL_SET_TIMEOUT);
407
408         /* Count also the Report ID, in case of an Output report. */
409         if (ret > 0 && report_type == HID_OUTPUT_REPORT)
410                 ret++;
411
412         return ret;
413 }
414
415 /*
416  * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
417  * to "operational".  Without this, the ps3 controller will not report any
418  * events.
419  */
420 static int sixaxis_set_operational_usb(struct hid_device *hdev)
421 {
422         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
423         struct usb_device *dev = interface_to_usbdev(intf);
424         __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
425         int ret;
426         char *buf = kmalloc(18, GFP_KERNEL);
427
428         if (!buf)
429                 return -ENOMEM;
430
431         ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
432                                  HID_REQ_GET_REPORT,
433                                  USB_DIR_IN | USB_TYPE_CLASS |
434                                  USB_RECIP_INTERFACE,
435                                  (3 << 8) | 0xf2, ifnum, buf, 17,
436                                  USB_CTRL_GET_TIMEOUT);
437         if (ret < 0)
438                 hid_err(hdev, "can't set operational mode\n");
439
440         kfree(buf);
441
442         return ret;
443 }
444
445 static int sixaxis_set_operational_bt(struct hid_device *hdev)
446 {
447         unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
448         return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
449 }
450
451 static void buzz_set_leds(struct hid_device *hdev, int leds)
452 {
453         struct list_head *report_list =
454                 &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
455         struct hid_report *report = list_entry(report_list->next,
456                 struct hid_report, list);
457         __s32 *value = report->field[0]->value;
458
459         value[0] = 0x00;
460         value[1] = (leds & 1) ? 0xff : 0x00;
461         value[2] = (leds & 2) ? 0xff : 0x00;
462         value[3] = (leds & 4) ? 0xff : 0x00;
463         value[4] = (leds & 8) ? 0xff : 0x00;
464         value[5] = 0x00;
465         value[6] = 0x00;
466         hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
467 }
468
469 static void buzz_led_set_brightness(struct led_classdev *led,
470                                     enum led_brightness value)
471 {
472         struct device *dev = led->dev->parent;
473         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
474         struct sony_sc *drv_data;
475         struct buzz_extra *buzz;
476
477         int n;
478
479         drv_data = hid_get_drvdata(hdev);
480         if (!drv_data || !drv_data->extra) {
481                 hid_err(hdev, "No device data\n");
482                 return;
483         }
484         buzz = drv_data->extra;
485
486         for (n = 0; n < 4; n++) {
487                 if (led == buzz->leds[n]) {
488                         int on = !! (buzz->led_state & (1 << n));
489                         if (value == LED_OFF && on) {
490                                 buzz->led_state &= ~(1 << n);
491                                 buzz_set_leds(hdev, buzz->led_state);
492                         } else if (value != LED_OFF && !on) {
493                                 buzz->led_state |= (1 << n);
494                                 buzz_set_leds(hdev, buzz->led_state);
495                         }
496                         break;
497                 }
498         }
499 }
500
501 static enum led_brightness buzz_led_get_brightness(struct led_classdev *led)
502 {
503         struct device *dev = led->dev->parent;
504         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
505         struct sony_sc *drv_data;
506         struct buzz_extra *buzz;
507
508         int n;
509         int on = 0;
510
511         drv_data = hid_get_drvdata(hdev);
512         if (!drv_data || !drv_data->extra) {
513                 hid_err(hdev, "No device data\n");
514                 return LED_OFF;
515         }
516         buzz = drv_data->extra;
517
518         for (n = 0; n < 4; n++) {
519                 if (led == buzz->leds[n]) {
520                         on = !! (buzz->led_state & (1 << n));
521                         break;
522                 }
523         }
524
525         return on ? LED_FULL : LED_OFF;
526 }
527
528 static int buzz_init(struct hid_device *hdev)
529 {
530         struct sony_sc *drv_data;
531         struct buzz_extra *buzz;
532         int n, ret = 0;
533         struct led_classdev *led;
534         size_t name_sz;
535         char *name;
536
537         drv_data = hid_get_drvdata(hdev);
538         BUG_ON(!(drv_data->quirks & BUZZ_CONTROLLER));
539
540         buzz = kzalloc(sizeof(*buzz), GFP_KERNEL);
541         if (!buzz) {
542                 hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
543                 return -ENOMEM;
544         }
545         drv_data->extra = buzz;
546
547         /* Clear LEDs as we have no way of reading their initial state. This is
548          * only relevant if the driver is loaded after somebody actively set the
549          * LEDs to on */
550         buzz_set_leds(hdev, 0x00);
551
552         name_sz = strlen(dev_name(&hdev->dev)) + strlen("::buzz#") + 1;
553
554         for (n = 0; n < 4; n++) {
555                 led = kzalloc(sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
556                 if (!led) {
557                         hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
558                         goto error_leds;
559                 }
560
561                 name = (void *)(&led[1]);
562                 snprintf(name, name_sz, "%s::buzz%d", dev_name(&hdev->dev), n + 1);
563                 led->name = name;
564                 led->brightness = 0;
565                 led->max_brightness = 1;
566                 led->brightness_get = buzz_led_get_brightness;
567                 led->brightness_set = buzz_led_set_brightness;
568
569                 if (led_classdev_register(&hdev->dev, led)) {
570                         hid_err(hdev, "Failed to register LED %d\n", n);
571                         kfree(led);
572                         goto error_leds;
573                 }
574
575                 buzz->leds[n] = led;
576         }
577
578         return ret;
579
580 error_leds:
581         for (n = 0; n < 4; n++) {
582                 led = buzz->leds[n];
583                 buzz->leds[n] = NULL;
584                 if (!led)
585                         continue;
586                 led_classdev_unregister(led);
587                 kfree(led);
588         }
589
590         kfree(drv_data->extra);
591         drv_data->extra = NULL;
592         return ret;
593 }
594
595 static void buzz_remove(struct hid_device *hdev)
596 {
597         struct sony_sc *drv_data;
598         struct buzz_extra *buzz;
599         struct led_classdev *led;
600         int n;
601
602         drv_data = hid_get_drvdata(hdev);
603         BUG_ON(!(drv_data->quirks & BUZZ_CONTROLLER));
604
605         buzz = drv_data->extra;
606
607         for (n = 0; n < 4; n++) {
608                 led = buzz->leds[n];
609                 buzz->leds[n] = NULL;
610                 if (!led)
611                         continue;
612                 led_classdev_unregister(led);
613                 kfree(led);
614         }
615
616         kfree(drv_data->extra);
617         drv_data->extra = NULL;
618 }
619
620 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
621 {
622         int ret;
623         unsigned long quirks = id->driver_data;
624         struct sony_sc *sc;
625         unsigned int connect_mask = HID_CONNECT_DEFAULT;
626
627         sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
628         if (sc == NULL) {
629                 hid_err(hdev, "can't alloc sony descriptor\n");
630                 return -ENOMEM;
631         }
632
633         sc->quirks = quirks;
634         hid_set_drvdata(hdev, sc);
635
636         ret = hid_parse(hdev);
637         if (ret) {
638                 hid_err(hdev, "parse failed\n");
639                 return ret;
640         }
641
642         if (sc->quirks & VAIO_RDESC_CONSTANT)
643                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
644         else if (sc->quirks & SIXAXIS_CONTROLLER_USB)
645                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
646         else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
647                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
648
649         ret = hid_hw_start(hdev, connect_mask);
650         if (ret) {
651                 hid_err(hdev, "hw start failed\n");
652                 return ret;
653         }
654
655         if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
656                 hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
657                 ret = sixaxis_set_operational_usb(hdev);
658         }
659         else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
660                 ret = sixaxis_set_operational_bt(hdev);
661         else if (sc->quirks & BUZZ_CONTROLLER)
662                 ret = buzz_init(hdev);
663         else
664                 ret = 0;
665
666         if (ret < 0)
667                 goto err_stop;
668
669         return 0;
670 err_stop:
671         hid_hw_stop(hdev);
672         return ret;
673 }
674
675 static void sony_remove(struct hid_device *hdev)
676 {
677         struct sony_sc *sc = hid_get_drvdata(hdev);
678
679         if (sc->quirks & BUZZ_CONTROLLER)
680                 buzz_remove(hdev);
681
682         hid_hw_stop(hdev);
683 }
684
685 static const struct hid_device_id sony_devices[] = {
686         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
687                 .driver_data = SIXAXIS_CONTROLLER_USB },
688         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
689                 .driver_data = SIXAXIS_CONTROLLER_USB },
690         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
691                 .driver_data = SIXAXIS_CONTROLLER_BT },
692         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
693                 .driver_data = VAIO_RDESC_CONSTANT },
694         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
695                 .driver_data = VAIO_RDESC_CONSTANT },
696         /* Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
697          * Logitech joystick from the device descriptor. */
698         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
699                 .driver_data = BUZZ_CONTROLLER },
700         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
701                 .driver_data = BUZZ_CONTROLLER },
702         /* PS3 BD Remote Control */
703         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
704                 .driver_data = PS3REMOTE },
705         /* Logitech Harmony Adapter for PS3 */
706         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
707                 .driver_data = PS3REMOTE },
708         { }
709 };
710 MODULE_DEVICE_TABLE(hid, sony_devices);
711
712 static struct hid_driver sony_driver = {
713         .name          = "sony",
714         .id_table      = sony_devices,
715         .input_mapping = sony_mapping,
716         .probe         = sony_probe,
717         .remove        = sony_remove,
718         .report_fixup  = sony_report_fixup,
719         .raw_event     = sony_raw_event
720 };
721 module_hid_driver(sony_driver);
722
723 MODULE_LICENSE("GPL");