hw/usb/dev-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/hw.h"
  26 #include "ui/console.h"
  27 #include "hw/usb.h"
  28 #include "hw/usb/desc.h"
  29 #include "qemu/timer.h"
  30 #include "hw/input/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     USBEndpoint *intr;
  48     HIDState hid;
  49     uint32_t usb_version;
  50 } USBHIDState;
  51
  52 enum {
  53     STR_MANUFACTURER = 1,
  54     STR_PRODUCT_MOUSE,
  55     STR_PRODUCT_TABLET,
  56     STR_PRODUCT_KEYBOARD,
  57     STR_SERIALNUMBER,
  58     STR_CONFIG_MOUSE,
  59     STR_CONFIG_TABLET,
  60     STR_CONFIG_KEYBOARD,
  61 };
  62
  63 static const USBDescStrings desc_strings = {
  64     [STR_MANUFACTURER]     = "QEMU",
  65     [STR_PRODUCT_MOUSE]    = "QEMU USB Mouse",
  66     [STR_PRODUCT_TABLET]   = "QEMU USB Tablet",
  67     [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
  68     [STR_SERIALNUMBER]     = "42", /* == remote wakeup works */
  69     [STR_CONFIG_MOUSE]     = "HID Mouse",
  70     [STR_CONFIG_TABLET]    = "HID Tablet",
  71     [STR_CONFIG_KEYBOARD]  = "HID Keyboard",
  72 };
  73
  74 static const USBDescIface desc_iface_mouse = {
  75     .bInterfaceNumber              = 0,
  76     .bNumEndpoints                 = 1,
  77     .bInterfaceClass               = USB_CLASS_HID,
  78     .bInterfaceSubClass            = 0x01, /* boot */
  79     .bInterfaceProtocol            = 0x02,
  80     .ndesc                         = 1,
  81     .descs = (USBDescOther[]) {
  82         {
  83             /* HID descriptor */
  84             .data = (uint8_t[]) {
  85                 0x09,          /*  u8  bLength */
  86                 USB_DT_HID,    /*  u8  bDescriptorType */
  87                 0x01, 0x00,    /*  u16 HID_class */
  88                 0x00,          /*  u8  country_code */
  89                 0x01,          /*  u8  num_descriptors */
  90                 USB_DT_REPORT, /*  u8  type: Report */
  91                 52, 0,         /*  u16 len */
  92             },
  93         },
  94     },
  95     .eps = (USBDescEndpoint[]) {
  96         {
  97             .bEndpointAddress      = USB_DIR_IN | 0x01,
  98             .bmAttributes          = USB_ENDPOINT_XFER_INT,
  99             .wMaxPacketSize        = 4,
 100             .bInterval             = 0x0a,
 101         },
 102     },
 103 };
 104
 105 static const USBDescIface desc_iface_tablet = {
 106     .bInterfaceNumber              = 0,
 107     .bNumEndpoints                 = 1,
 108     .bInterfaceClass               = USB_CLASS_HID,
 109     .bInterfaceProtocol            = 0x02,
 110     .ndesc                         = 1,
 111     .descs = (USBDescOther[]) {
 112         {
 113             /* HID descriptor */
 114             .data = (uint8_t[]) {
 115                 0x09,          /*  u8  bLength */
 116                 USB_DT_HID,    /*  u8  bDescriptorType */
 117                 0x01, 0x00,    /*  u16 HID_class */
 118                 0x00,          /*  u8  country_code */
 119                 0x01,          /*  u8  num_descriptors */
 120                 USB_DT_REPORT, /*  u8  type: Report */
 121                 74, 0,         /*  u16 len */
 122             },
 123         },
 124     },
 125     .eps = (USBDescEndpoint[]) {
 126         {
 127             .bEndpointAddress      = USB_DIR_IN | 0x01,
 128             .bmAttributes          = USB_ENDPOINT_XFER_INT,
 129             .wMaxPacketSize        = 8,
 130             .bInterval             = 0x0a,
 131         },
 132     },
 133 };
 134
 135 static const USBDescIface desc_iface_tablet2 = {
 136     .bInterfaceNumber              = 0,
 137     .bNumEndpoints                 = 1,
 138     .bInterfaceClass               = USB_CLASS_HID,
 139     .bInterfaceProtocol            = 0x02,
 140     .ndesc                         = 1,
 141     .descs = (USBDescOther[]) {
 142         {
 143             /* HID descriptor */
 144             .data = (uint8_t[]) {
 145                 0x09,          /*  u8  bLength */
 146                 USB_DT_HID,    /*  u8  bDescriptorType */
 147                 0x01, 0x00,    /*  u16 HID_class */
 148                 0x00,          /*  u8  country_code */
 149                 0x01,          /*  u8  num_descriptors */
 150                 USB_DT_REPORT, /*  u8  type: Report */
 151                 74, 0,         /*  u16 len */
 152             },
 153         },
 154     },
 155     .eps = (USBDescEndpoint[]) {
 156         {
 157             .bEndpointAddress      = USB_DIR_IN | 0x01,
 158             .bmAttributes          = USB_ENDPOINT_XFER_INT,
 159             .wMaxPacketSize        = 8,
 160             .bInterval             = 4, /* 2 ^ (4-1) * 125 usecs = 1 ms */
 161         },
 162     },
 163 };
 164
 165 static const USBDescIface desc_iface_keyboard = {
 166     .bInterfaceNumber              = 0,
 167     .bNumEndpoints                 = 1,
 168     .bInterfaceClass               = USB_CLASS_HID,
 169     .bInterfaceSubClass            = 0x01, /* boot */
 170     .bInterfaceProtocol            = 0x01, /* keyboard */
 171     .ndesc                         = 1,
 172     .descs = (USBDescOther[]) {
 173         {
 174             /* HID descriptor */
 175             .data = (uint8_t[]) {
 176                 0x09,          /*  u8  bLength */
 177                 USB_DT_HID,    /*  u8  bDescriptorType */
 178                 0x11, 0x01,    /*  u16 HID_class */
 179                 0x00,          /*  u8  country_code */
 180                 0x01,          /*  u8  num_descriptors */
 181                 USB_DT_REPORT, /*  u8  type: Report */
 182                 0x3f, 0,       /*  u16 len */
 183             },
 184         },
 185     },
 186     .eps = (USBDescEndpoint[]) {
 187         {
 188             .bEndpointAddress      = USB_DIR_IN | 0x01,
 189             .bmAttributes          = USB_ENDPOINT_XFER_INT,
 190             .wMaxPacketSize        = 8,
 191             .bInterval             = 0x0a,
 192         },
 193     },
 194 };
 195
 196 static const USBDescDevice desc_device_mouse = {
 197     .bcdUSB                        = 0x0100,
 198     .bMaxPacketSize0               = 8,
 199     .bNumConfigurations            = 1,
 200     .confs = (USBDescConfig[]) {
 201         {
 202             .bNumInterfaces        = 1,
 203             .bConfigurationValue   = 1,
 204             .iConfiguration        = STR_CONFIG_MOUSE,
 205             .bmAttributes          = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
 206             .bMaxPower             = 50,
 207             .nif = 1,
 208             .ifs = &desc_iface_mouse,
 209         },
 210     },
 211 };
 212
 213 static const USBDescDevice desc_device_tablet = {
 214     .bcdUSB                        = 0x0100,
 215     .bMaxPacketSize0               = 8,
 216     .bNumConfigurations            = 1,
 217     .confs = (USBDescConfig[]) {
 218         {
 219             .bNumInterfaces        = 1,
 220             .bConfigurationValue   = 1,
 221             .iConfiguration        = STR_CONFIG_TABLET,
 222             .bmAttributes          = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
 223             .bMaxPower             = 50,
 224             .nif = 1,
 225             .ifs = &desc_iface_tablet,
 226         },
 227     },
 228 };
 229
 230 static const USBDescDevice desc_device_tablet2 = {
 231     .bcdUSB                        = 0x0200,
 232     .bMaxPacketSize0               = 64,
 233     .bNumConfigurations            = 1,
 234     .confs = (USBDescConfig[]) {
 235         {
 236             .bNumInterfaces        = 1,
 237             .bConfigurationValue   = 1,
 238             .iConfiguration        = STR_CONFIG_TABLET,
 239             .bmAttributes          = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
 240             .bMaxPower             = 50,
 241             .nif = 1,
 242             .ifs = &desc_iface_tablet2,
 243         },
 244     },
 245 };
 246
 247 static const USBDescDevice desc_device_keyboard = {
 248     .bcdUSB                        = 0x0100,
 249     .bMaxPacketSize0               = 8,
 250     .bNumConfigurations            = 1,
 251     .confs = (USBDescConfig[]) {
 252         {
 253             .bNumInterfaces        = 1,
 254             .bConfigurationValue   = 1,
 255             .iConfiguration        = STR_CONFIG_KEYBOARD,
 256             .bmAttributes          = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
 257             .bMaxPower             = 50,
 258             .nif = 1,
 259             .ifs = &desc_iface_keyboard,
 260         },
 261     },
 262 };
 263
 264 static const USBDescMSOS desc_msos_suspend = {
 265     .SelectiveSuspendEnabled = true,
 266 };
 267
 268 static const USBDesc desc_mouse = {
 269     .id = {
 270         .idVendor          = 0x0627,
 271         .idProduct         = 0x0001,
 272         .bcdDevice         = 0,
 273         .iManufacturer     = STR_MANUFACTURER,
 274         .iProduct          = STR_PRODUCT_MOUSE,
 275         .iSerialNumber     = STR_SERIALNUMBER,
 276     },
 277     .full = &desc_device_mouse,
 278     .str  = desc_strings,
 279     .msos = &desc_msos_suspend,
 280 };
 281
 282 static const USBDesc desc_tablet = {
 283     .id = {
 284         .idVendor          = 0x0627,
 285         .idProduct         = 0x0001,
 286         .bcdDevice         = 0,
 287         .iManufacturer     = STR_MANUFACTURER,
 288         .iProduct          = STR_PRODUCT_TABLET,
 289         .iSerialNumber     = STR_SERIALNUMBER,
 290     },
 291     .full = &desc_device_tablet,
 292     .str  = desc_strings,
 293     .msos = &desc_msos_suspend,
 294 };
 295
 296 static const USBDesc desc_tablet2 = {
 297     .id = {
 298         .idVendor          = 0x0627,
 299         .idProduct         = 0x0001,
 300         .bcdDevice         = 0,
 301         .iManufacturer     = STR_MANUFACTURER,
 302         .iProduct          = STR_PRODUCT_TABLET,
 303         .iSerialNumber     = STR_SERIALNUMBER,
 304     },
 305     .full = &desc_device_tablet,
 306     .high = &desc_device_tablet2,
 307     .str  = desc_strings,
 308     .msos = &desc_msos_suspend,
 309 };
 310
 311 static const USBDesc desc_keyboard = {
 312     .id = {
 313         .idVendor          = 0x0627,
 314         .idProduct         = 0x0001,
 315         .bcdDevice         = 0,
 316         .iManufacturer     = STR_MANUFACTURER,
 317         .iProduct          = STR_PRODUCT_KEYBOARD,
 318         .iSerialNumber     = STR_SERIALNUMBER,
 319     },
 320     .full = &desc_device_keyboard,
 321     .str  = desc_strings,
 322     .msos = &desc_msos_suspend,
 323 };
 324
 325 static const uint8_t qemu_mouse_hid_report_descriptor[] = {
 326     0x05, 0x01,         /* Usage Page (Generic Desktop) */
 327     0x09, 0x02,         /* Usage (Mouse) */
 328     0xa1, 0x01,         /* Collection (Application) */
 329     0x09, 0x01,         /*   Usage (Pointer) */
 330     0xa1, 0x00,         /*   Collection (Physical) */
 331     0x05, 0x09,         /*     Usage Page (Button) */
 332     0x19, 0x01,         /*     Usage Minimum (1) */
 333     0x29, 0x03,         /*     Usage Maximum (3) */
 334     0x15, 0x00,         /*     Logical Minimum (0) */
 335     0x25, 0x01,         /*     Logical Maximum (1) */
 336     0x95, 0x03,         /*     Report Count (3) */
 337     0x75, 0x01,         /*     Report Size (1) */
 338     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
 339     0x95, 0x01,         /*     Report Count (1) */
 340     0x75, 0x05,         /*     Report Size (5) */
 341     0x81, 0x01,         /*     Input (Constant) */
 342     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
 343     0x09, 0x30,         /*     Usage (X) */
 344     0x09, 0x31,         /*     Usage (Y) */
 345     0x09, 0x38,         /*     Usage (Wheel) */
 346     0x15, 0x81,         /*     Logical Minimum (-0x7f) */
 347     0x25, 0x7f,         /*     Logical Maximum (0x7f) */
 348     0x75, 0x08,         /*     Report Size (8) */
 349     0x95, 0x03,         /*     Report Count (3) */
 350     0x81, 0x06,         /*     Input (Data, Variable, Relative) */
 351     0xc0,               /*   End Collection */
 352     0xc0,               /* End Collection */
 353 };
 354
 355 static const uint8_t qemu_tablet_hid_report_descriptor[] = {
 356     0x05, 0x01,         /* Usage Page (Generic Desktop) */
 357     0x09, 0x01,         /* Usage (Pointer) */
 358     0xa1, 0x01,         /* Collection (Application) */
 359     0x09, 0x01,         /*   Usage (Pointer) */
 360     0xa1, 0x00,         /*   Collection (Physical) */
 361     0x05, 0x09,         /*     Usage Page (Button) */
 362     0x19, 0x01,         /*     Usage Minimum (1) */
 363     0x29, 0x03,         /*     Usage Maximum (3) */
 364     0x15, 0x00,         /*     Logical Minimum (0) */
 365     0x25, 0x01,         /*     Logical Maximum (1) */
 366     0x95, 0x03,         /*     Report Count (3) */
 367     0x75, 0x01,         /*     Report Size (1) */
 368     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
 369     0x95, 0x01,         /*     Report Count (1) */
 370     0x75, 0x05,         /*     Report Size (5) */
 371     0x81, 0x01,         /*     Input (Constant) */
 372     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
 373     0x09, 0x30,         /*     Usage (X) */
 374     0x09, 0x31,         /*     Usage (Y) */
 375     0x15, 0x00,         /*     Logical Minimum (0) */
 376     0x26, 0xff, 0x7f,   /*     Logical Maximum (0x7fff) */
 377     0x35, 0x00,         /*     Physical Minimum (0) */
 378     0x46, 0xff, 0x7f,   /*     Physical Maximum (0x7fff) */
 379     0x75, 0x10,         /*     Report Size (16) */
 380     0x95, 0x02,         /*     Report Count (2) */
 381     0x81, 0x02,         /*     Input (Data, Variable, Absolute) */
 382     0x05, 0x01,         /*     Usage Page (Generic Desktop) */
 383     0x09, 0x38,         /*     Usage (Wheel) */
 384     0x15, 0x81,         /*     Logical Minimum (-0x7f) */
 385     0x25, 0x7f,         /*     Logical Maximum (0x7f) */
 386     0x35, 0x00,         /*     Physical Minimum (same as logical) */
 387     0x45, 0x00,         /*     Physical Maximum (same as logical) */
 388     0x75, 0x08,         /*     Report Size (8) */
 389     0x95, 0x01,         /*     Report Count (1) */
 390     0x81, 0x06,         /*     Input (Data, Variable, Relative) */
 391     0xc0,               /*   End Collection */
 392     0xc0,               /* End Collection */
 393 };
 394
 395 static const uint8_t qemu_keyboard_hid_report_descriptor[] = {
 396     0x05, 0x01,         /* Usage Page (Generic Desktop) */
 397     0x09, 0x06,         /* Usage (Keyboard) */
 398     0xa1, 0x01,         /* Collection (Application) */
 399     0x75, 0x01,         /*   Report Size (1) */
 400     0x95, 0x08,         /*   Report Count (8) */
 401     0x05, 0x07,         /*   Usage Page (Key Codes) */
 402     0x19, 0xe0,         /*   Usage Minimum (224) */
 403     0x29, 0xe7,         /*   Usage Maximum (231) */
 404     0x15, 0x00,         /*   Logical Minimum (0) */
 405     0x25, 0x01,         /*   Logical Maximum (1) */
 406     0x81, 0x02,         /*   Input (Data, Variable, Absolute) */
 407     0x95, 0x01,         /*   Report Count (1) */
 408     0x75, 0x08,         /*   Report Size (8) */
 409     0x81, 0x01,         /*   Input (Constant) */
 410     0x95, 0x05,         /*   Report Count (5) */
 411     0x75, 0x01,         /*   Report Size (1) */
 412     0x05, 0x08,         /*   Usage Page (LEDs) */
 413     0x19, 0x01,         /*   Usage Minimum (1) */
 414     0x29, 0x05,         /*   Usage Maximum (5) */
 415     0x91, 0x02,         /*   Output (Data, Variable, Absolute) */
 416     0x95, 0x01,         /*   Report Count (1) */
 417     0x75, 0x03,         /*   Report Size (3) */
 418     0x91, 0x01,         /*   Output (Constant) */
 419     0x95, 0x06,         /*   Report Count (6) */
 420     0x75, 0x08,         /*   Report Size (8) */
 421     0x15, 0x00,         /*   Logical Minimum (0) */
 422     0x25, 0xff,         /*   Logical Maximum (255) */
 423     0x05, 0x07,         /*   Usage Page (Key Codes) */
 424     0x19, 0x00,         /*   Usage Minimum (0) */
 425     0x29, 0xff,         /*   Usage Maximum (255) */
 426     0x81, 0x00,         /*   Input (Data, Array) */
 427     0xc0,               /* End Collection */
 428 };
 429
 430 static void usb_hid_changed(HIDState *hs)
 431 {
 432     USBHIDState *us = container_of(hs, USBHIDState, hid);
 433
 434     usb_wakeup(us->intr, 0);
 435 }
 436
 437 static void usb_hid_handle_reset(USBDevice *dev)
 438 {
 439     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 440
 441     hid_reset(&us->hid);
 442 }
 443
 444 static void usb_hid_handle_control(USBDevice *dev, USBPacket *p,
 445                int request, int value, int index, int length, uint8_t *data)
 446 {
 447     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 448     HIDState *hs = &us->hid;
 449     int ret;
 450
 451     ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
 452     if (ret >= 0) {
 453         return;
 454     }
 455
 456     switch (request) {
 457         /* hid specific requests */
 458     case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
 459         switch (value >> 8) {
 460         case 0x22:
 461             if (hs->kind == HID_MOUSE) {
 462                 memcpy(data, qemu_mouse_hid_report_descriptor,
 463                        sizeof(qemu_mouse_hid_report_descriptor));
 464                 p->actual_length = sizeof(qemu_mouse_hid_report_descriptor);
 465             } else if (hs->kind == HID_TABLET) {
 466                 memcpy(data, qemu_tablet_hid_report_descriptor,
 467                        sizeof(qemu_tablet_hid_report_descriptor));
 468                 p->actual_length = sizeof(qemu_tablet_hid_report_descriptor);
 469             } else if (hs->kind == HID_KEYBOARD) {
 470                 memcpy(data, qemu_keyboard_hid_report_descriptor,
 471                        sizeof(qemu_keyboard_hid_report_descriptor));
 472                 p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor);
 473             }
 474             break;
 475         default:
 476             goto fail;
 477         }
 478         break;
 479     case GET_REPORT:
 480         if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
 481             p->actual_length = hid_pointer_poll(hs, data, length);
 482         } else if (hs->kind == HID_KEYBOARD) {
 483             p->actual_length = hid_keyboard_poll(hs, data, length);
 484         }
 485         break;
 486     case SET_REPORT:
 487         if (hs->kind == HID_KEYBOARD) {
 488             p->actual_length = hid_keyboard_write(hs, data, length);
 489         } else {
 490             goto fail;
 491         }
 492         break;
 493     case GET_PROTOCOL:
 494         if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
 495             goto fail;
 496         }
 497         data[0] = hs->protocol;
 498         p->actual_length = 1;
 499         break;
 500     case SET_PROTOCOL:
 501         if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
 502             goto fail;
 503         }
 504         hs->protocol = value;
 505         break;
 506     case GET_IDLE:
 507         data[0] = hs->idle;
 508         p->actual_length = 1;
 509         break;
 510     case SET_IDLE:
 511         hs->idle = (uint8_t) (value >> 8);
 512         hid_set_next_idle(hs);
 513         if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
 514             hid_pointer_activate(hs);
 515         }
 516         break;
 517     default:
 518     fail:
 519         p->status = USB_RET_STALL;
 520         break;
 521     }
 522 }
 523
 524 static void usb_hid_handle_data(USBDevice *dev, USBPacket *p)
 525 {
 526     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 527     HIDState *hs = &us->hid;
 528     uint8_t buf[p->iov.size];
 529     int len = 0;
 530
 531     switch (p->pid) {
 532     case USB_TOKEN_IN:
 533         if (p->ep->nr == 1) {
 534             if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
 535                 hid_pointer_activate(hs);
 536             }
 537             if (!hid_has_events(hs)) {
 538                 p->status = USB_RET_NAK;
 539                 return;
 540             }
 541             hid_set_next_idle(hs);
 542             if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
 543                 len = hid_pointer_poll(hs, buf, p->iov.size);
 544             } else if (hs->kind == HID_KEYBOARD) {
 545                 len = hid_keyboard_poll(hs, buf, p->iov.size);
 546             }
 547             usb_packet_copy(p, buf, len);
 548         } else {
 549             goto fail;
 550         }
 551         break;
 552     case USB_TOKEN_OUT:
 553     default:
 554     fail:
 555         p->status = USB_RET_STALL;
 556         break;
 557     }
 558 }
 559
 560 static void usb_hid_handle_destroy(USBDevice *dev)
 561 {
 562     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 563
 564     hid_free(&us->hid);
 565 }
 566
 567 static int usb_hid_initfn(USBDevice *dev, int kind)
 568 {
 569     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 570
 571     if (dev->serial) {
 572         usb_desc_set_string(dev, STR_SERIALNUMBER, dev->serial);
 573     }
 574     usb_desc_init(dev);
 575     us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
 576     hid_init(&us->hid, kind, usb_hid_changed);
 577     return 0;
 578 }
 579
 580 static int usb_tablet_initfn(USBDevice *dev)
 581 {
 582     USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
 583
 584     switch (us->usb_version) {
 585     case 1:
 586         dev->usb_desc = &desc_tablet;
 587         break;
 588     case 2:
 589         dev->usb_desc = &desc_tablet2;
 590         break;
 591     default:
 592         error_report("Invalid usb version %d for usb-tabler (must be 1 or 2)",
 593                      us->usb_version);
 594         return -1;
 595     }
 596
 597     return usb_hid_initfn(dev, HID_TABLET);
 598 }
 599
 600 static int usb_mouse_initfn(USBDevice *dev)
 601 {
 602     return usb_hid_initfn(dev, HID_MOUSE);
 603 }
 604
 605 static int usb_keyboard_initfn(USBDevice *dev)
 606 {
 607     return usb_hid_initfn(dev, HID_KEYBOARD);
 608 }
 609
 610 static int usb_ptr_post_load(void *opaque, int version_id)
 611 {
 612     USBHIDState *s = opaque;
 613
 614     if (s->dev.remote_wakeup) {
 615         hid_pointer_activate(&s->hid);
 616     }
 617     return 0;
 618 }
 619
 620 static const VMStateDescription vmstate_usb_ptr = {
 621     .name = "usb-ptr",
 622     .version_id = 1,
 623     .minimum_version_id = 1,
 624     .post_load = usb_ptr_post_load,
 625     .fields = (VMStateField []) {
 626         VMSTATE_USB_DEVICE(dev, USBHIDState),
 627         VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState),
 628         VMSTATE_END_OF_LIST()
 629     }
 630 };
 631
 632 static const VMStateDescription vmstate_usb_kbd = {
 633     .name = "usb-kbd",
 634     .version_id = 1,
 635     .minimum_version_id = 1,
 636     .fields = (VMStateField []) {
 637         VMSTATE_USB_DEVICE(dev, USBHIDState),
 638         VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState),
 639         VMSTATE_END_OF_LIST()
 640     }
 641 };
 642
 643 static void usb_hid_class_initfn(ObjectClass *klass, void *data)
 644 {
 645     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 646
 647     uc->handle_reset   = usb_hid_handle_reset;
 648     uc->handle_control = usb_hid_handle_control;
 649     uc->handle_data    = usb_hid_handle_data;
 650     uc->handle_destroy = usb_hid_handle_destroy;
 651     uc->handle_attach  = usb_desc_attach;
 652 }
 653
 654 static Property usb_tablet_properties[] = {
 655         DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
 656         DEFINE_PROP_END_OF_LIST(),
 657 };
 658
 659 static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
 660 {
 661     DeviceClass *dc = DEVICE_CLASS(klass);
 662     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 663
 664     usb_hid_class_initfn(klass, data);
 665     uc->init           = usb_tablet_initfn;
 666     uc->product_desc   = "QEMU USB Tablet";
 667     dc->vmsd = &vmstate_usb_ptr;
 668     dc->props = usb_tablet_properties;
 669     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
 670 }
 671
 672 static const TypeInfo usb_tablet_info = {
 673     .name          = "usb-tablet",
 674     .parent        = TYPE_USB_DEVICE,
 675     .instance_size = sizeof(USBHIDState),
 676     .class_init    = usb_tablet_class_initfn,
 677 };
 678
 679 static void usb_mouse_class_initfn(ObjectClass *klass, void *data)
 680 {
 681     DeviceClass *dc = DEVICE_CLASS(klass);
 682     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 683
 684     usb_hid_class_initfn(klass, data);
 685     uc->init           = usb_mouse_initfn;
 686     uc->product_desc   = "QEMU USB Mouse";
 687     uc->usb_desc       = &desc_mouse;
 688     dc->vmsd = &vmstate_usb_ptr;
 689     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
 690 }
 691
 692 static const TypeInfo usb_mouse_info = {
 693     .name          = "usb-mouse",
 694     .parent        = TYPE_USB_DEVICE,
 695     .instance_size = sizeof(USBHIDState),
 696     .class_init    = usb_mouse_class_initfn,
 697 };
 698
 699 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data)
 700 {
 701     DeviceClass *dc = DEVICE_CLASS(klass);
 702     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 703
 704     usb_hid_class_initfn(klass, data);
 705     uc->init           = usb_keyboard_initfn;
 706     uc->product_desc   = "QEMU USB Keyboard";
 707     uc->usb_desc       = &desc_keyboard;
 708     dc->vmsd = &vmstate_usb_kbd;
 709     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
 710 }
 711
 712 static const TypeInfo usb_keyboard_info = {
 713     .name          = "usb-kbd",
 714     .parent        = TYPE_USB_DEVICE,
 715     .instance_size = sizeof(USBHIDState),
 716     .class_init    = usb_keyboard_class_initfn,
 717 };
 718
 719 static void usb_hid_register_types(void)
 720 {
 721     type_register_static(&usb_tablet_info);
 722     usb_legacy_register("usb-tablet", "tablet", NULL);
 723     type_register_static(&usb_mouse_info);
 724     usb_legacy_register("usb-mouse", "mouse", NULL);
 725     type_register_static(&usb_keyboard_info);
 726     usb_legacy_register("usb-kbd", "keyboard", NULL);
 727 }
 728
 729 type_init(usb_hid_register_types)