linux/drivers/hid/hid-sony.c
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   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
  42static 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
  48static 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
  70static __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
 130static 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};
 150static 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
 186static 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
 225struct sony_sc {
 226        unsigned long quirks;
 227
 228        void *extra;
 229};
 230
 231struct buzz_extra {
 232        int led_state;
 233        struct led_classdev *leds[4];
 234};
 235
 236static __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
 243static 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 */
 279static __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
 321static 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
 340static 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 */
 386static 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 */
 420static 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
 445static 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
 451static 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
 469static 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
 501static 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
 528static 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
 580error_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
 595static 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
 620static 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 = kzalloc(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                goto err_free;
 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                goto err_free;
 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;
 670err_stop:
 671        hid_hw_stop(hdev);
 672err_free:
 673        kfree(sc);
 674        return ret;
 675}
 676
 677static void sony_remove(struct hid_device *hdev)
 678{
 679        struct sony_sc *sc = hid_get_drvdata(hdev);
 680
 681        if (sc->quirks & BUZZ_CONTROLLER)
 682                buzz_remove(hdev);
 683
 684        hid_hw_stop(hdev);
 685        kfree(sc);
 686}
 687
 688static const struct hid_device_id sony_devices[] = {
 689        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
 690                .driver_data = SIXAXIS_CONTROLLER_USB },
 691        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
 692                .driver_data = SIXAXIS_CONTROLLER_USB },
 693        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
 694                .driver_data = SIXAXIS_CONTROLLER_BT },
 695        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
 696                .driver_data = VAIO_RDESC_CONSTANT },
 697        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
 698                .driver_data = VAIO_RDESC_CONSTANT },
 699        /* Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
 700         * Logitech joystick from the device descriptor. */
 701        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
 702                .driver_data = BUZZ_CONTROLLER },
 703        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
 704                .driver_data = BUZZ_CONTROLLER },
 705        /* PS3 BD Remote Control */
 706        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
 707                .driver_data = PS3REMOTE },
 708        /* Logitech Harmony Adapter for PS3 */
 709        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
 710                .driver_data = PS3REMOTE },
 711        { }
 712};
 713MODULE_DEVICE_TABLE(hid, sony_devices);
 714
 715static struct hid_driver sony_driver = {
 716        .name          = "sony",
 717        .id_table      = sony_devices,
 718        .input_mapping = sony_mapping,
 719        .probe         = sony_probe,
 720        .remove        = sony_remove,
 721        .report_fixup  = sony_report_fixup,
 722        .raw_event     = sony_raw_event
 723};
 724module_hid_driver(sony_driver);
 725
 726MODULE_LICENSE("GPL");
 727
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