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         return -1;
 373 }
 374
 375 /*
 376  * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP
 377  * like it should according to usbhid/hid-core.c::usbhid_output_raw_report()
 378  * so we need to override that forcing HID Output Reports on the Control EP.
 379  *
 380  * There is also another issue about HID Output Reports via USB, the Sixaxis
 381  * does not want the report_id as part of the data packet, so we have to
 382  * discard buf[0] when sending the actual control message, even for numbered
 383  * reports, humpf!
 384  */
 385 static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf,
 386                 size_t count, unsigned char report_type)
 387 {
 388         struct usb_interface *intf = to_usb_interface(hid->dev.parent);
 389         struct usb_device *dev = interface_to_usbdev(intf);
 390         struct usb_host_interface *interface = intf->cur_altsetting;
 391         int report_id = buf[0];
 392         int ret;
 393
 394         if (report_type == HID_OUTPUT_REPORT) {
 395                 /* Don't send the Report ID */
 396                 buf++;
 397                 count--;
 398         }
 399
 400         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 401                 HID_REQ_SET_REPORT,
 402                 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
 403                 ((report_type + 1) << 8) | report_id,
 404                 interface->desc.bInterfaceNumber, buf, count,
 405                 USB_CTRL_SET_TIMEOUT);
 406
 407         /* Count also the Report ID, in case of an Output report. */
 408         if (ret > 0 && report_type == HID_OUTPUT_REPORT)
 409                 ret++;
 410
 411         return ret;
 412 }
 413
 414 /*
 415  * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
 416  * to "operational".  Without this, the ps3 controller will not report any
 417  * events.
 418  */
 419 static int sixaxis_set_operational_usb(struct hid_device *hdev)
 420 {
 421         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 422         struct usb_device *dev = interface_to_usbdev(intf);
 423         __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
 424         int ret;
 425         char *buf = kmalloc(18, GFP_KERNEL);
 426
 427         if (!buf)
 428                 return -ENOMEM;
 429
 430         ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
 431                                  HID_REQ_GET_REPORT,
 432                                  USB_DIR_IN | USB_TYPE_CLASS |
 433                                  USB_RECIP_INTERFACE,
 434                                  (3 << 8) | 0xf2, ifnum, buf, 17,
 435                                  USB_CTRL_GET_TIMEOUT);
 436         if (ret < 0)
 437                 hid_err(hdev, "can't set operational mode\n");
 438
 439         kfree(buf);
 440
 441         return ret;
 442 }
 443
 444 static int sixaxis_set_operational_bt(struct hid_device *hdev)
 445 {
 446         unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
 447         return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
 448 }
 449
 450 static void buzz_set_leds(struct hid_device *hdev, int leds)
 451 {
 452         struct list_head *report_list =
 453                 &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
 454         struct hid_report *report = list_entry(report_list->next,
 455                 struct hid_report, list);
 456         __s32 *value = report->field[0]->value;
 457
 458         value[0] = 0x00;
 459         value[1] = (leds & 1) ? 0xff : 0x00;
 460         value[2] = (leds & 2) ? 0xff : 0x00;
 461         value[3] = (leds & 4) ? 0xff : 0x00;
 462         value[4] = (leds & 8) ? 0xff : 0x00;
 463         value[5] = 0x00;
 464         value[6] = 0x00;
 465         hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
 466 }
 467
 468 static void buzz_led_set_brightness(struct led_classdev *led,
 469                                     enum led_brightness value)
 470 {
 471         struct device *dev = led->dev->parent;
 472         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
 473         struct sony_sc *drv_data;
 474         struct buzz_extra *buzz;
 475
 476         int n;
 477
 478         drv_data = hid_get_drvdata(hdev);
 479         if (!drv_data || !drv_data->extra) {
 480                 hid_err(hdev, "No device data\n");
 481                 return;
 482         }
 483         buzz = drv_data->extra;
 484
 485         for (n = 0; n < 4; n++) {
 486                 if (led == buzz->leds[n]) {
 487                         int on = !! (buzz->led_state & (1 << n));
 488                         if (value == LED_OFF && on) {
 489                                 buzz->led_state &= ~(1 << n);
 490                                 buzz_set_leds(hdev, buzz->led_state);
 491                         } else if (value != LED_OFF && !on) {
 492                                 buzz->led_state |= (1 << n);
 493                                 buzz_set_leds(hdev, buzz->led_state);
 494                         }
 495                         break;
 496                 }
 497         }
 498 }
 499
 500 static enum led_brightness buzz_led_get_brightness(struct led_classdev *led)
 501 {
 502         struct device *dev = led->dev->parent;
 503         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
 504         struct sony_sc *drv_data;
 505         struct buzz_extra *buzz;
 506
 507         int n;
 508         int on = 0;
 509
 510         drv_data = hid_get_drvdata(hdev);
 511         if (!drv_data || !drv_data->extra) {
 512                 hid_err(hdev, "No device data\n");
 513                 return LED_OFF;
 514         }
 515         buzz = drv_data->extra;
 516
 517         for (n = 0; n < 4; n++) {
 518                 if (led == buzz->leds[n]) {
 519                         on = !! (buzz->led_state & (1 << n));
 520                         break;
 521                 }
 522         }
 523
 524         return on ? LED_FULL : LED_OFF;
 525 }
 526
 527 static int buzz_init(struct hid_device *hdev)
 528 {
 529         struct sony_sc *drv_data;
 530         struct buzz_extra *buzz;
 531         int n, ret = 0;
 532         struct led_classdev *led;
 533         size_t name_sz;
 534         char *name;
 535
 536         drv_data = hid_get_drvdata(hdev);
 537         BUG_ON(!(drv_data->quirks & BUZZ_CONTROLLER));
 538
 539         buzz = kzalloc(sizeof(*buzz), GFP_KERNEL);
 540         if (!buzz) {
 541                 hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
 542                 return -ENOMEM;
 543         }
 544         drv_data->extra = buzz;
 545
 546         /* Clear LEDs as we have no way of reading their initial state. This is
 547          * only relevant if the driver is loaded after somebody actively set the
 548          * LEDs to on */
 549         buzz_set_leds(hdev, 0x00);
 550
 551         name_sz = strlen(dev_name(&hdev->dev)) + strlen("::buzz#") + 1;
 552
 553         for (n = 0; n < 4; n++) {
 554                 led = kzalloc(sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
 555                 if (!led) {
 556                         hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
 557                         goto error_leds;
 558                 }
 559
 560                 name = (void *)(&led[1]);
 561                 snprintf(name, name_sz, "%s::buzz%d", dev_name(&hdev->dev), n + 1);
 562                 led->name = name;
 563                 led->brightness = 0;
 564                 led->max_brightness = 1;
 565                 led->brightness_get = buzz_led_get_brightness;
 566                 led->brightness_set = buzz_led_set_brightness;
 567
 568                 if (led_classdev_register(&hdev->dev, led)) {
 569                         hid_err(hdev, "Failed to register LED %d\n", n);
 570                         kfree(led);
 571                         goto error_leds;
 572                 }
 573
 574                 buzz->leds[n] = led;
 575         }
 576
 577         return ret;
 578
 579 error_leds:
 580         for (n = 0; n < 4; n++) {
 581                 led = buzz->leds[n];
 582                 buzz->leds[n] = NULL;
 583                 if (!led)
 584                         continue;
 585                 led_classdev_unregister(led);
 586                 kfree(led);
 587         }
 588
 589         kfree(drv_data->extra);
 590         drv_data->extra = NULL;
 591         return ret;
 592 }
 593
 594 static void buzz_remove(struct hid_device *hdev)
 595 {
 596         struct sony_sc *drv_data;
 597         struct buzz_extra *buzz;
 598         struct led_classdev *led;
 599         int n;
 600
 601         drv_data = hid_get_drvdata(hdev);
 602         BUG_ON(!(drv_data->quirks & BUZZ_CONTROLLER));
 603
 604         buzz = drv_data->extra;
 605
 606         for (n = 0; n < 4; n++) {
 607                 led = buzz->leds[n];
 608                 buzz->leds[n] = NULL;
 609                 if (!led)
 610                         continue;
 611                 led_classdev_unregister(led);
 612                 kfree(led);
 613         }
 614
 615         kfree(drv_data->extra);
 616         drv_data->extra = NULL;
 617 }
 618
 619 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
 620 {
 621         int ret;
 622         unsigned long quirks = id->driver_data;
 623         struct sony_sc *sc;
 624         unsigned int connect_mask = HID_CONNECT_DEFAULT;
 625
 626         sc = kzalloc(sizeof(*sc), GFP_KERNEL);
 627         if (sc == NULL) {
 628                 hid_err(hdev, "can't alloc sony descriptor\n");
 629                 return -ENOMEM;
 630         }
 631
 632         sc->quirks = quirks;
 633         hid_set_drvdata(hdev, sc);
 634
 635         ret = hid_parse(hdev);
 636         if (ret) {
 637                 hid_err(hdev, "parse failed\n");
 638                 goto err_free;
 639         }
 640
 641         if (sc->quirks & VAIO_RDESC_CONSTANT)
 642                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
 643         else if (sc->quirks & SIXAXIS_CONTROLLER_USB)
 644                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
 645         else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
 646                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
 647
 648         ret = hid_hw_start(hdev, connect_mask);
 649         if (ret) {
 650                 hid_err(hdev, "hw start failed\n");
 651                 goto err_free;
 652         }
 653
 654         if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
 655                 hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
 656                 ret = sixaxis_set_operational_usb(hdev);
 657         }
 658         else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
 659                 ret = sixaxis_set_operational_bt(hdev);
 660         else if (sc->quirks & BUZZ_CONTROLLER)
 661                 ret = buzz_init(hdev);
 662         else
 663                 ret = 0;
 664
 665         if (ret < 0)
 666                 goto err_stop;
 667
 668         return 0;
 669 err_stop:
 670         hid_hw_stop(hdev);
 671 err_free:
 672         kfree(sc);
 673         return ret;
 674 }
 675
 676 static void sony_remove(struct hid_device *hdev)
 677 {
 678         struct sony_sc *sc = hid_get_drvdata(hdev);
 679
 680         if (sc->quirks & BUZZ_CONTROLLER)
 681                 buzz_remove(hdev);
 682
 683         hid_hw_stop(hdev);
 684         kfree(sc);
 685 }
 686
 687 static const struct hid_device_id sony_devices[] = {
 688         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
 689                 .driver_data = SIXAXIS_CONTROLLER_USB },
 690         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
 691                 .driver_data = SIXAXIS_CONTROLLER_USB },
 692         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
 693                 .driver_data = SIXAXIS_CONTROLLER_BT },
 694         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
 695                 .driver_data = VAIO_RDESC_CONSTANT },
 696         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
 697                 .driver_data = VAIO_RDESC_CONSTANT },
 698         /* Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
 699          * Logitech joystick from the device descriptor. */
 700         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
 701                 .driver_data = BUZZ_CONTROLLER },
 702         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
 703                 .driver_data = BUZZ_CONTROLLER },
 704         /* PS3 BD Remote Control */
 705         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
 706                 .driver_data = PS3REMOTE },
 707         /* Logitech Harmony Adapter for PS3 */
 708         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
 709                 .driver_data = PS3REMOTE },
 710         { }
 711 };
 712 MODULE_DEVICE_TABLE(hid, sony_devices);
 713
 714 static struct hid_driver sony_driver = {
 715         .name          = "sony",
 716         .id_table      = sony_devices,
 717         .input_mapping = sony_mapping,
 718         .probe         = sony_probe,
 719         .remove        = sony_remove,
 720         .report_fixup  = sony_report_fixup,
 721         .raw_event     = sony_raw_event
 722 };
 723 module_hid_driver(sony_driver);
 724
 725 MODULE_LICENSE("GPL");