hw/usb-hid.c

   1 /*
   2  * QEMU USB HID devices
   3  *
   4  * Copyright (c) 2005 Fabrice Bellard
   5  * Copyright (c) 2007 OpenMoko, Inc.  (andrew@openedhand.com)
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23  * THE SOFTWARE.
  24  */
  25 #include "hw.h"
  26 #include "console.h"
  27 #include "usb.h"
  28 #include "usb-desc.h"
  29 #include "qemu-timer.h"
  30 #include "hid.h"
  31
  32 /* HID interface requests */
  33 #define GET_REPORT   0xa101
  34 #define GET_IDLE     0xa102
  35 #define GET_PROTOCOL 0xa103
  36 #define SET_REPORT   0x2109
  37 #define SET_IDLE     0x210a
  38 #define SET_PROTOCOL 0x210b
  39
  40 /* HID descriptor types */
  41 #define USB_DT_HID    0x21
  42 #define USB_DT_REPORT 0x22
  43 #define USB_DT_PHY    0x23
  44
  45 typedef struct USBHIDState {
  46     USBDevice dev;
  47     HIDState hid;
  48 } USBHIDState;
  49
  50 enum {
  51     STR_MANUFACTURER = 1,
  52     STR_PRODUCT_MOUSE,
  53     STR_PRODUCT_TABLET,
  54     STR_PRODUCT_KEYBOARD,
  55     STR_SERIALNUMBER,
  56     STR_CONFIG_MOUSE,
  57     STR_CONFIG_TABLET,
  58     STR_CONFIG_KEYBOARD,
  59 };
  60
  61 static const USBDescStrings desc_strings = {
  62     [STR_MANUFACTURER]     = "QEMU " QEMU_VERSION,
  63     [STR_PRODUCT_MOUSE]    = "QEMU USB Mouse",
  64     [STR_PRODUCT_TABLET]   = "QEMU USB Tablet",
  65     [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
  66     [STR_SERIALNUMBER]     = "42", /* == remote wakeup works */
  67     [STR_CONFIG_MOUSE]     = "HID Mouse",
  68     [STR_CONFIG_TABLET]    = "HID Tablet",
  69     [STR_CONFIG_KEYBOARD]  = "HID Keyboard",
  70 };
  71
  72 static const USBDescIface desc_iface_mouse = {
  73     .bInterfaceNumber              = 0,
  74     .bNumEndpoints                 = 1,
  75     .bInterfaceClass               = USB_CLASS_HID,
  76     .bInterfaceSubClass            = 0x01, /* boot */
  77     .bInterfaceProtocol            = 0x02,
  78     .ndesc                         = 1,
  79     .descs = (USBDescOther[]) {
  80         {
  81             /* HID descriptor */
  82             .data = (uint8_t[]) {
  83                 0x09,          /*  u8  bLength */
  84                 USB_DT_HID,    /*  u8  bDescriptorType */
  85                 0x01, 0x00,    /*  u16 HID_class */
  86                 0x00,          /*  u8  country_code */
  87                 0x01,          /*  u8  num_descriptors */
  88                 USB_DT_REPORT, /*  u8  type: Report */
  89                 52, 0,         /*  u16 len */
  90             },
  91         },
  92     },
  93     .eps = (USBDescEndpoint[]) {
  94         {
  95             .bEndpointAddress      = USB_DIR_IN | 0x01,
  96             .bmAttributes          = USB_ENDPOINT_XFER_INT,
  97             .wMaxPacketSize        = 4,
  98             .bInterval             = 0x0a,
  99         },
 100     },
 101 };
 102
 103 static const USBDescIface desc_iface_tablet = {
 104     .bInterfaceNumber              = 0,
 105     .bNumEndpoints                 = 1,
 106     .bInterfaceClass               = USB_CLASS_HID,
 107     .bInterfaceProtocol            = 0x02,
 108     .ndesc                         = 1,
 109     .descs = (USBDescOther[]) {
 110         {
 111             /* HID descriptor */
 112             .data = (uint8_t[]) {
 113                 0x09,          /*  u8  bLength */
 114                 USB_DT_HID,    /*  u8  bDescriptorType */
 115                 0x01, 0x00,    /*  u16 HID_class */
 116                 0x00,          /*  u8  country_code */
 117                 0x01,          /*  u8  num_descriptors */
 118                 USB_DT_REPORT, /*  u8  type: Report */
 119                 74, 0,         /*  u16 len */
 120             },
 121         },
 122     },
 123     .eps = (USBDescEndpoint[]) {
 124         {
 125             .bEndpointAddress      = USB_DIR_IN | 0x01,
 126             .bmAttributes          = USB_ENDPOINT_XFER_INT,
 127             .wMaxPacketSize        = 8,
 128             .bInterval             = 0x0a,
 129         },
 130     },
 131 };
 132
 133 static const USBDescIface desc_iface_keyboard = {
 134     .bInterfaceNumber              = 0,
 135     .bNumEndpoints                 = 1,
 136     .bInterfaceClass               = USB_CLASS_HID,
 137     .bInterfaceSubClass            = 0x01, /* boot */
 138     .bInterfaceProtocol            = 0x01, /* keyboard */
 139     .ndesc                         = 1,
 140     .descs = (USBDescOther[]) {
 141         {
 142             /* HID descriptor */
 143             .data = (uint8_t[]) {
 144                 0x09,          /*  u8  bLength */
 145                 USB_DT_HID,    /*  u8  bDescriptorType */
 146                 0x11, 0x01,    /*  u16 HID_class */
 147                 0x00,          /*  u8  country_code */
 148                 0x01,          /*  u8  num_descriptors */
 149                 USB_DT_REPORT, /*  u8  type: Report */
 150                 0x3f, 0,       /*  u16 len */
 151             },
 152         },
 153     },
 154     .eps = (USBDescEndpoint[]) {
 155         {
 156             .bEndpointAddress      = USB_DIR_IN | 0x01,
 157             .bmAttributes          = USB_ENDPOINT_XFER_INT,
 158             .wMaxPacketSize        = 8,
 159             .bInterval             = 0x0a,
 160         },
 161     },
 162 };
 163
 164 static const USBDescDevice desc_device_mouse = {
 165     .bcdUSB                        = 0x0100,
 166     .bMaxPacketSize0               = 8,
 167     .bNumConfigurations            = 1,
 168     .confs = (USBDescConfig[]) {
 169         {
 170             .bNumInterfaces        = 1,
 171             .bConfigurationValue   = 1,
 172             .iConfiguration        = STR_CONFIG_MOUSE,
 173             .bmAttributes          = 0xa0,
 174             .bMaxPower             = 50,
 175             .nif = 1,
 176             .ifs = &desc_iface_mouse,
 177         },
 178     },
 179 };
 180
 181 static const USBDescDevice desc_device_tablet = {
 182     .bcdUSB                        = 0x0100,
 183     .bMaxPacketSize0               = 8,
 184     .bNumConfigurations            = 1,
 185     .confs = (USBDescConfig[]) {
 186         {
 187             .bNumInterfaces        = 1,
 188             .bConfigurationValue   = 1,
 189             .iConfiguration        = STR_CONFIG_TABLET,
 190             .bmAttributes          = 0xa0,
 191             .bMaxPower             = 50,
 192             .nif = 1,
 193             .ifs = &desc_iface_tablet,
 194         },
 195     },
 196 };
 197
 198 static const USBDescDevice desc_device_keyboard = {
 199     .bcdUSB                        = 0x0100,
 200     .bMaxPacketSize0               = 8,
 201     .bNumConfigurations            = 1,
 202     .confs = (USBDescConfig[]) {
 203         {
 204             .bNumInterfaces        = 1,
 205             .bConfigurationValue   = 1,
 206             .iConfiguration        = STR_CONFIG_KEYBOARD,
 207             .bmAttributes          = 0xa0,
 208             .bMaxPower             = 50,
 209             .nif = 1,
 210             .ifs = &desc_iface_keyboard,
 211         },
 212     },
 213 };
 214
 215 static const USBDesc desc_mouse = {
 216     .id = {
 217         .idVendor          = 0x0627,
 218         .idProduct         = 0x0001,
 219         .bcdDevice         = 0,
 220         .iManufacturer     = STR_MANUFACTURER,
 221         .iProduct          = STR_PRODUCT_MOUSE,
 222         .iSerialNumber     = STR_SERIALNUMBER,
 223     },
 224     .full = &desc_device_mouse,
 225     .str  = desc_strings,
 226 };
 227
 228 static const USBDesc desc_tablet = {
 229     .id = {
 230         .idVendor          = 0x0627,
 231         .idProduct         = 0x0001,
 232         .bcdDevice         = 0,
 233         .iManufacturer     = STR_MANUFACTURER,
 234         .iProduct          = STR_PRODUCT_TABLET,
 235         .iSerialNumber     = STR_SERIALNUMBER,
 236     },
 237     .full = &desc_device_tablet,
 238     .str  = desc_strings,
 239 };
 240
 241 static const USBDesc desc_keyboard = {
 242     .id = {
 243         .idVendor          = 0x0627,
 244         .idProduct         = 0x0001,
 245         .bcdDevice         = 0,
 246         .iManufacturer     = STR_MANUFACTURER,
 247         .iProduct          = STR_PRODUCT_KEYBOARD,
 248         .iSerialNumber     = STR_SERIALNUMBER,
 249     },
 250     .full = &desc_device_keyboard,
 251     .str  = desc_strings,
 252 };
 253
 254 static const uint8_t qemu_mouse_hid_report_descriptor[] = {
 255     0x05, 0x01,         /* Usage Page (Generic Desktop) */
 256     0x09, 0x02,         /* Usage (Mouse) */
 257     0xa1, 0x01,         /* Collection (Application) */
 258     0x09, 0x01,         /*   Usage (Pointer) */
 259     0xa1, 0x00,         /*   Collection (Physical) */
 260     0x05, 0x09,         /*     Usage Page (Button) */
 261     0x19, 0x01,         /*     Usage Minimum (1) */
 262     0x29, 0x03,         /*     Usage Maximum (3) */
 263     0x15, 0x00,         /*     Logical Minimum (0) */
 264     0x25, 0x01,         /*     Logical Maximum (1) */
 265     0x95, 0x03,         /*     Report Count (3) */
 266     0x75, 0x01,         /*     Report Size (1) */
 267     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
 268     0x95, 0x01,         /*     Report Count (1) */
 269     0x75, 0x05,         /*     Report Size (5) */
 270     0x81, 0x01,         /*     Input (Constant) */
 271     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
 272     0x09, 0x30,         /*     Usage (X) */
 273     0x09, 0x31,         /*     Usage (Y) */
 274     0x09, 0x38,         /*     Usage (Wheel) */
 275     0x15, 0x81,         /*     Logical Minimum (-0x7f) */
 276     0x25, 0x7f,         /*     Logical Maximum (0x7f) */
 277     0x75, 0x08,         /*     Report Size (8) */
 278     0x95, 0x03,         /*     Report Count (3) */
 279     0x81, 0x06,         /*     Input (Data, Variable, Relative) */
 280     0xc0,               /*   End Collection */
 281     0xc0,               /* End Collection */
 282 };
 283
 284 static const uint8_t qemu_tablet_hid_report_descriptor[] = {
 285     0x05, 0x01,         /* Usage Page (Generic Desktop) */
 286     0x09, 0x01,         /* Usage (Pointer) */
 287     0xa1, 0x01,         /* Collection (Application) */
 288     0x09, 0x01,         /*   Usage (Pointer) */
 289     0xa1, 0x00,         /*   Collection (Physical) */
 290     0x05, 0x09,         /*     Usage Page (Button) */
 291     0x19, 0x01,         /*     Usage Minimum (1) */
 292     0x29, 0x03,         /*     Usage Maximum (3) */
 293     0x15, 0x00,         /*     Logical Minimum (0) */
 294     0x25, 0x01,         /*     Logical Maximum (1) */
 295     0x95, 0x03,         /*     Report Count (3) */
 296     0x75, 0x01,         /*     Report Size (1) */
 297     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
 298     0x95, 0x01,         /*     Report Count (1) */
 299     0x75, 0x05,         /*     Report Size (5) */
 300     0x81, 0x01,         /*     Input (Constant) */
 301     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
 302     0x09, 0x30,         /*     Usage (X) */
 303     0x09, 0x31,         /*     Usage (Y) */
 304     0x15, 0x00,         /*     Logical Minimum (0) */
 305     0x26, 0xff, 0x7f,   /*     Logical Maximum (0x7fff) */
 306     0x35, 0x00,         /*     Physical Minimum (0) */
 307     0x46, 0xff, 0x7f,   /*     Physical Maximum (0x7fff) */
 308     0x75, 0x10,         /*     Report Size (16) */
 309     0x95, 0x02,         /*     Report Count (2) */
 310     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
 311     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
 312     0x09, 0x38,         /*     Usage (Wheel) */
 313     0x15, 0x81,         /*     Logical Minimum (-0x7f) */
 314     0x25, 0x7f,         /*     Logical Maximum (0x7f) */
 315     0x35, 0x00,         /*     Physical Minimum (same as logical) */
 316     0x45, 0x00,         /*     Physical Maximum (same as logical) */
 317     0x75, 0x08,         /*     Report Size (8) */
 318     0x95, 0x01,         /*     Report Count (1) */
 319     0x81, 0x06,         /*     Input (Data, Variable, Relative) */
 320     0xc0,               /*   End Collection */
 321     0xc0,               /* End Collection */
 322 };
 323
 324 static const uint8_t qemu_keyboard_hid_report_descriptor[] = {
 325     0x05, 0x01,         /* Usage Page (Generic Desktop) */
 326     0x09, 0x06,         /* Usage (Keyboard) */
 327     0xa1, 0x01,         /* Collection (Application) */
 328     0x75, 0x01,         /*   Report Size (1) */
 329     0x95, 0x08,         /*   Report Count (8) */
 330     0x05, 0x07,         /*   Usage Page (Key Codes) */
 331     0x19, 0xe0,         /*   Usage Minimum (224) */
 332     0x29, 0xe7,         /*   Usage Maximum (231) */
 333     0x15, 0x00,         /*   Logical Minimum (0) */
 334     0x25, 0x01,         /*   Logical Maximum (1) */
 335     0x81, 0x02,         /*   Input (Data, Variable, Absolute) */
 336     0x95, 0x01,         /*   Report Count (1) */
 337     0x75, 0x08,         /*   Report Size (8) */
 338     0x81, 0x01,         /*   Input (Constant) */
 339     0x95, 0x05,         /*   Report Count (5) */
 340     0x75, 0x01,         /*   Report Size (1) */
 341     0x05, 0x08,         /*   Usage Page (LEDs) */
 342     0x19, 0x01,         /*   Usage Minimum (1) */
 343     0x29, 0x05,         /*   Usage Maximum (5) */
 344     0x91, 0x02,         /*   Output (Data, Variable, Absolute) */
 345     0x95, 0x01,         /*   Report Count (1) */
 346     0x75, 0x03,         /*   Report Size (3) */
 347     0x91, 0x01,         /*   Output (Constant) */
 348     0x95, 0x06,         /*   Report Count (6) */
 349     0x75, 0x08,         /*   Report Size (8) */
 350     0x15, 0x00,         /*   Logical Minimum (0) */
 351     0x25, 0xff,         /*   Logical Maximum (255) */
 352     0x05, 0x07,         /*   Usage Page (Key Codes) */
 353     0x19, 0x00,         /*   Usage Minimum (0) */
 354     0x29, 0xff,         /*   Usage Maximum (255) */
 355     0x81, 0x00,         /*   Input (Data, Array) */
 356     0xc0,               /* End Collection */
 357 };
 358
 359 static void usb_hid_changed(HIDState *hs)
 360 {
 361     USBHIDState *us = container_of(hs, USBHIDState, hid);
 362
 363     usb_wakeup(&us->dev);
 364 }
 365
 366 static void usb_hid_handle_reset(USBDevice *dev)
 367 {
 368     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 369
 370     hid_reset(&us->hid);
 371 }
 372
 373 static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
 374                int request, int value, int index, int length, uint8_t *data)
 375 {
 376     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 377     HIDState *hs = &us->hid;
 378     int ret;
 379
 380     ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
 381     if (ret >= 0) {
 382         return ret;
 383     }
 384
 385     ret = 0;
 386     switch (request) {
 387         /* hid specific requests */
 388     case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
 389         switch (value >> 8) {
 390         case 0x22:
 391             if (hs->kind == HID_MOUSE) {
 392                 memcpy(data, qemu_mouse_hid_report_descriptor,
 393                        sizeof(qemu_mouse_hid_report_descriptor));
 394                 ret = sizeof(qemu_mouse_hid_report_descriptor);
 395             } else if (hs->kind == HID_TABLET) {
 396                 memcpy(data, qemu_tablet_hid_report_descriptor,
 397                        sizeof(qemu_tablet_hid_report_descriptor));
 398                 ret = sizeof(qemu_tablet_hid_report_descriptor);
 399             } else if (hs->kind == HID_KEYBOARD) {
 400                 memcpy(data, qemu_keyboard_hid_report_descriptor,
 401                        sizeof(qemu_keyboard_hid_report_descriptor));
 402                 ret = sizeof(qemu_keyboard_hid_report_descriptor);
 403             }
 404             break;
 405         default:
 406             goto fail;
 407         }
 408         break;
 409     case GET_REPORT:
 410         if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
 411             ret = hid_pointer_poll(hs, data, length);
 412         } else if (hs->kind == HID_KEYBOARD) {
 413             ret = hid_keyboard_poll(hs, data, length);
 414         }
 415         break;
 416     case SET_REPORT:
 417         if (hs->kind == HID_KEYBOARD) {
 418             ret = hid_keyboard_write(hs, data, length);
 419         } else {
 420             goto fail;
 421         }
 422         break;
 423     case GET_PROTOCOL:
 424         if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
 425             goto fail;
 426         }
 427         ret = 1;
 428         data[0] = hs->protocol;
 429         break;
 430     case SET_PROTOCOL:
 431         if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
 432             goto fail;
 433         }
 434         ret = 0;
 435         hs->protocol = value;
 436         break;
 437     case GET_IDLE:
 438         ret = 1;
 439         data[0] = hs->idle;
 440         break;
 441     case SET_IDLE:
 442         hs->idle = (uint8_t) (value >> 8);
 443         hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock));
 444         if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
 445             hid_pointer_activate(hs);
 446         }
 447         ret = 0;
 448         break;
 449     default:
 450     fail:
 451         ret = USB_RET_STALL;
 452         break;
 453     }
 454     return ret;
 455 }
 456
 457 static int usb_hid_handle_data(USBDevice *dev, USBPacket *p)
 458 {
 459     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 460     HIDState *hs = &us->hid;
 461     uint8_t buf[p->iov.size];
 462     int ret = 0;
 463
 464     switch (p->pid) {
 465     case USB_TOKEN_IN:
 466         if (p->devep == 1) {
 467             int64_t curtime = qemu_get_clock_ns(vm_clock);
 468             if (!hid_has_events(hs) &&
 469                 (!hs->idle || hs->next_idle_clock - curtime > 0)) {
 470                 return USB_RET_NAK;
 471             }
 472             hid_set_next_idle(hs, curtime);
 473             if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
 474                 ret = hid_pointer_poll(hs, buf, p->iov.size);
 475             } else if (hs->kind == HID_KEYBOARD) {
 476                 ret = hid_keyboard_poll(hs, buf, p->iov.size);
 477             }
 478             usb_packet_copy(p, buf, ret);
 479         } else {
 480             goto fail;
 481         }
 482         break;
 483     case USB_TOKEN_OUT:
 484     default:
 485     fail:
 486         ret = USB_RET_STALL;
 487         break;
 488     }
 489     return ret;
 490 }
 491
 492 static void usb_hid_handle_destroy(USBDevice *dev)
 493 {
 494     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 495
 496     hid_free(&us->hid);
 497 }
 498
 499 static int usb_hid_initfn(USBDevice *dev, int kind)
 500 {
 501     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 502
 503     usb_desc_init(dev);
 504     hid_init(&us->hid, kind, usb_hid_changed);
 505     return 0;
 506 }
 507
 508 static int usb_tablet_initfn(USBDevice *dev)
 509 {
 510     return usb_hid_initfn(dev, HID_TABLET);
 511 }
 512
 513 static int usb_mouse_initfn(USBDevice *dev)
 514 {
 515     return usb_hid_initfn(dev, HID_MOUSE);
 516 }
 517
 518 static int usb_keyboard_initfn(USBDevice *dev)
 519 {
 520     return usb_hid_initfn(dev, HID_KEYBOARD);
 521 }
 522
 523 static int usb_ptr_post_load(void *opaque, int version_id)
 524 {
 525     USBHIDState *s = opaque;
 526
 527     if (s->dev.remote_wakeup) {
 528         hid_pointer_activate(&s->hid);
 529     }
 530     return 0;
 531 }
 532
 533 static const VMStateDescription vmstate_usb_ptr = {
 534     .name = "usb-ptr",
 535     .version_id = 1,
 536     .minimum_version_id = 1,
 537     .post_load = usb_ptr_post_load,
 538     .fields = (VMStateField []) {
 539         VMSTATE_USB_DEVICE(dev, USBHIDState),
 540         VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState),
 541         VMSTATE_END_OF_LIST()
 542     }
 543 };
 544
 545 static const VMStateDescription vmstate_usb_kbd = {
 546     .name = "usb-kbd",
 547     .version_id = 1,
 548     .minimum_version_id = 1,
 549     .fields = (VMStateField []) {
 550         VMSTATE_USB_DEVICE(dev, USBHIDState),
 551         VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState),
 552         VMSTATE_END_OF_LIST()
 553     }
 554 };
 555
 556 static void usb_hid_class_initfn(ObjectClass *klass, void *data)
 557 {
 558     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 559
 560     uc->handle_packet  = usb_generic_handle_packet;
 561     uc->handle_reset   = usb_hid_handle_reset;
 562     uc->handle_control = usb_hid_handle_control;
 563     uc->handle_data    = usb_hid_handle_data;
 564     uc->handle_destroy = usb_hid_handle_destroy;
 565 }
 566
 567 static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
 568 {
 569     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 570
 571     usb_hid_class_initfn(klass, data);
 572     uc->init           = usb_tablet_initfn;
 573     uc->product_desc   = "QEMU USB Tablet";
 574     uc->usb_desc       = &desc_tablet;
 575 }
 576
 577 static struct DeviceInfo usb_tablet_info = {
 578     .name      = "usb-tablet",
 579     .size      = sizeof(USBHIDState),
 580     .vmsd      = &vmstate_usb_ptr,
 581     .class_init= usb_tablet_class_initfn,
 582 };
 583
 584 static void usb_mouse_class_initfn(ObjectClass *klass, void *data)
 585 {
 586     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 587
 588     usb_hid_class_initfn(klass, data);
 589     uc->init           = usb_mouse_initfn;
 590     uc->product_desc   = "QEMU USB Mouse";
 591     uc->usb_desc       = &desc_mouse;
 592 }
 593
 594 static struct DeviceInfo usb_mouse_info = {
 595     .name      = "usb-mouse",
 596     .size      = sizeof(USBHIDState),
 597     .vmsd      = &vmstate_usb_ptr,
 598     .class_init= usb_mouse_class_initfn,
 599 };
 600
 601 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data)
 602 {
 603     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 604
 605     usb_hid_class_initfn(klass, data);
 606     uc->init           = usb_keyboard_initfn;
 607     uc->product_desc   = "QEMU USB Keyboard";
 608     uc->usb_desc       = &desc_keyboard;
 609 }
 610
 611 static struct DeviceInfo usb_keyboard_info = {
 612     .name      = "usb-kbd",
 613     .size      = sizeof(USBHIDState),
 614     .vmsd      = &vmstate_usb_kbd,
 615     .class_init= usb_keyboard_class_initfn,
 616 };
 617
 618 static void usb_hid_register_devices(void)
 619 {
 620     usb_qdev_register(&usb_tablet_info);
 621     usb_legacy_register("usb-tablet", "tablet", NULL);
 622     usb_qdev_register(&usb_mouse_info);
 623     usb_legacy_register("usb-mouse", "mouse", NULL);
 624     usb_qdev_register(&usb_keyboard_info);
 625     usb_legacy_register("usb-kbd", "keyboard", NULL);
 626 }
 627 device_init(usb_hid_register_devices)