dev-hid.c (29043B)
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 26 #include "qemu/osdep.h" 27 #include "ui/console.h" 28 #include "hw/usb.h" 29 #include "migration/vmstate.h" 30 #include "desc.h" 31 #include "qapi/error.h" 32 #include "qemu/module.h" 33 #include "qemu/timer.h" 34 #include "hw/input/hid.h" 35 #include "hw/usb/hid.h" 36 #include "hw/qdev-properties.h" 37 #include "qom/object.h" 38 39 struct USBHIDState { 40 USBDevice dev; 41 USBEndpoint *intr; 42 HIDState hid; 43 uint32_t usb_version; 44 char *display; 45 uint32_t head; 46 }; 47 48 #define TYPE_USB_HID "usb-hid" 49 OBJECT_DECLARE_SIMPLE_TYPE(USBHIDState, USB_HID) 50 51 enum { 52 STR_MANUFACTURER = 1, 53 STR_PRODUCT_MOUSE, 54 STR_PRODUCT_TABLET, 55 STR_PRODUCT_KEYBOARD, 56 STR_SERIAL_COMPAT, 57 STR_CONFIG_MOUSE, 58 STR_CONFIG_TABLET, 59 STR_CONFIG_KEYBOARD, 60 STR_SERIAL_MOUSE, 61 STR_SERIAL_TABLET, 62 STR_SERIAL_KEYBOARD, 63 }; 64 65 static const USBDescStrings desc_strings = { 66 [STR_MANUFACTURER] = "QEMU", 67 [STR_PRODUCT_MOUSE] = "QEMU USB Mouse", 68 [STR_PRODUCT_TABLET] = "QEMU USB Tablet", 69 [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard", 70 [STR_SERIAL_COMPAT] = "42", 71 [STR_CONFIG_MOUSE] = "HID Mouse", 72 [STR_CONFIG_TABLET] = "HID Tablet", 73 [STR_CONFIG_KEYBOARD] = "HID Keyboard", 74 [STR_SERIAL_MOUSE] = "89126", 75 [STR_SERIAL_TABLET] = "28754", 76 [STR_SERIAL_KEYBOARD] = "68284", 77 }; 78 79 static const USBDescIface desc_iface_mouse = { 80 .bInterfaceNumber = 0, 81 .bNumEndpoints = 1, 82 .bInterfaceClass = USB_CLASS_HID, 83 .bInterfaceSubClass = 0x01, /* boot */ 84 .bInterfaceProtocol = 0x02, 85 .ndesc = 1, 86 .descs = (USBDescOther[]) { 87 { 88 /* HID descriptor */ 89 .data = (uint8_t[]) { 90 0x09, /* u8 bLength */ 91 USB_DT_HID, /* u8 bDescriptorType */ 92 0x01, 0x00, /* u16 HID_class */ 93 0x00, /* u8 country_code */ 94 0x01, /* u8 num_descriptors */ 95 USB_DT_REPORT, /* u8 type: Report */ 96 52, 0, /* u16 len */ 97 }, 98 }, 99 }, 100 .eps = (USBDescEndpoint[]) { 101 { 102 .bEndpointAddress = USB_DIR_IN | 0x01, 103 .bmAttributes = USB_ENDPOINT_XFER_INT, 104 .wMaxPacketSize = 4, 105 .bInterval = 0x0a, 106 }, 107 }, 108 }; 109 110 static const USBDescIface desc_iface_mouse2 = { 111 .bInterfaceNumber = 0, 112 .bNumEndpoints = 1, 113 .bInterfaceClass = USB_CLASS_HID, 114 .bInterfaceSubClass = 0x01, /* boot */ 115 .bInterfaceProtocol = 0x02, 116 .ndesc = 1, 117 .descs = (USBDescOther[]) { 118 { 119 /* HID descriptor */ 120 .data = (uint8_t[]) { 121 0x09, /* u8 bLength */ 122 USB_DT_HID, /* u8 bDescriptorType */ 123 0x01, 0x00, /* u16 HID_class */ 124 0x00, /* u8 country_code */ 125 0x01, /* u8 num_descriptors */ 126 USB_DT_REPORT, /* u8 type: Report */ 127 52, 0, /* u16 len */ 128 }, 129 }, 130 }, 131 .eps = (USBDescEndpoint[]) { 132 { 133 .bEndpointAddress = USB_DIR_IN | 0x01, 134 .bmAttributes = USB_ENDPOINT_XFER_INT, 135 .wMaxPacketSize = 4, 136 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ 137 }, 138 }, 139 }; 140 141 static const USBDescIface desc_iface_tablet = { 142 .bInterfaceNumber = 0, 143 .bNumEndpoints = 1, 144 .bInterfaceClass = USB_CLASS_HID, 145 .bInterfaceProtocol = 0x00, 146 .ndesc = 1, 147 .descs = (USBDescOther[]) { 148 { 149 /* HID descriptor */ 150 .data = (uint8_t[]) { 151 0x09, /* u8 bLength */ 152 USB_DT_HID, /* u8 bDescriptorType */ 153 0x01, 0x00, /* u16 HID_class */ 154 0x00, /* u8 country_code */ 155 0x01, /* u8 num_descriptors */ 156 USB_DT_REPORT, /* u8 type: Report */ 157 74, 0, /* u16 len */ 158 }, 159 }, 160 }, 161 .eps = (USBDescEndpoint[]) { 162 { 163 .bEndpointAddress = USB_DIR_IN | 0x01, 164 .bmAttributes = USB_ENDPOINT_XFER_INT, 165 .wMaxPacketSize = 8, 166 .bInterval = 0x0a, 167 }, 168 }, 169 }; 170 171 static const USBDescIface desc_iface_tablet2 = { 172 .bInterfaceNumber = 0, 173 .bNumEndpoints = 1, 174 .bInterfaceClass = USB_CLASS_HID, 175 .bInterfaceProtocol = 0x00, 176 .ndesc = 1, 177 .descs = (USBDescOther[]) { 178 { 179 /* HID descriptor */ 180 .data = (uint8_t[]) { 181 0x09, /* u8 bLength */ 182 USB_DT_HID, /* u8 bDescriptorType */ 183 0x01, 0x00, /* u16 HID_class */ 184 0x00, /* u8 country_code */ 185 0x01, /* u8 num_descriptors */ 186 USB_DT_REPORT, /* u8 type: Report */ 187 74, 0, /* u16 len */ 188 }, 189 }, 190 }, 191 .eps = (USBDescEndpoint[]) { 192 { 193 .bEndpointAddress = USB_DIR_IN | 0x01, 194 .bmAttributes = USB_ENDPOINT_XFER_INT, 195 .wMaxPacketSize = 8, 196 .bInterval = 4, /* 2 ^ (4-1) * 125 usecs = 1 ms */ 197 }, 198 }, 199 }; 200 201 static const USBDescIface desc_iface_keyboard = { 202 .bInterfaceNumber = 0, 203 .bNumEndpoints = 1, 204 .bInterfaceClass = USB_CLASS_HID, 205 .bInterfaceSubClass = 0x01, /* boot */ 206 .bInterfaceProtocol = 0x01, /* keyboard */ 207 .ndesc = 1, 208 .descs = (USBDescOther[]) { 209 { 210 /* HID descriptor */ 211 .data = (uint8_t[]) { 212 0x09, /* u8 bLength */ 213 USB_DT_HID, /* u8 bDescriptorType */ 214 0x11, 0x01, /* u16 HID_class */ 215 0x00, /* u8 country_code */ 216 0x01, /* u8 num_descriptors */ 217 USB_DT_REPORT, /* u8 type: Report */ 218 0x3f, 0, /* u16 len */ 219 }, 220 }, 221 }, 222 .eps = (USBDescEndpoint[]) { 223 { 224 .bEndpointAddress = USB_DIR_IN | 0x01, 225 .bmAttributes = USB_ENDPOINT_XFER_INT, 226 .wMaxPacketSize = 8, 227 .bInterval = 0x0a, 228 }, 229 }, 230 }; 231 232 static const USBDescIface desc_iface_keyboard2 = { 233 .bInterfaceNumber = 0, 234 .bNumEndpoints = 1, 235 .bInterfaceClass = USB_CLASS_HID, 236 .bInterfaceSubClass = 0x01, /* boot */ 237 .bInterfaceProtocol = 0x01, /* keyboard */ 238 .ndesc = 1, 239 .descs = (USBDescOther[]) { 240 { 241 /* HID descriptor */ 242 .data = (uint8_t[]) { 243 0x09, /* u8 bLength */ 244 USB_DT_HID, /* u8 bDescriptorType */ 245 0x11, 0x01, /* u16 HID_class */ 246 0x00, /* u8 country_code */ 247 0x01, /* u8 num_descriptors */ 248 USB_DT_REPORT, /* u8 type: Report */ 249 0x3f, 0, /* u16 len */ 250 }, 251 }, 252 }, 253 .eps = (USBDescEndpoint[]) { 254 { 255 .bEndpointAddress = USB_DIR_IN | 0x01, 256 .bmAttributes = USB_ENDPOINT_XFER_INT, 257 .wMaxPacketSize = 8, 258 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ 259 }, 260 }, 261 }; 262 263 static const USBDescDevice desc_device_mouse = { 264 .bcdUSB = 0x0100, 265 .bMaxPacketSize0 = 8, 266 .bNumConfigurations = 1, 267 .confs = (USBDescConfig[]) { 268 { 269 .bNumInterfaces = 1, 270 .bConfigurationValue = 1, 271 .iConfiguration = STR_CONFIG_MOUSE, 272 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 273 .bMaxPower = 50, 274 .nif = 1, 275 .ifs = &desc_iface_mouse, 276 }, 277 }, 278 }; 279 280 static const USBDescDevice desc_device_mouse2 = { 281 .bcdUSB = 0x0200, 282 .bMaxPacketSize0 = 64, 283 .bNumConfigurations = 1, 284 .confs = (USBDescConfig[]) { 285 { 286 .bNumInterfaces = 1, 287 .bConfigurationValue = 1, 288 .iConfiguration = STR_CONFIG_MOUSE, 289 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 290 .bMaxPower = 50, 291 .nif = 1, 292 .ifs = &desc_iface_mouse2, 293 }, 294 }, 295 }; 296 297 static const USBDescDevice desc_device_tablet = { 298 .bcdUSB = 0x0100, 299 .bMaxPacketSize0 = 8, 300 .bNumConfigurations = 1, 301 .confs = (USBDescConfig[]) { 302 { 303 .bNumInterfaces = 1, 304 .bConfigurationValue = 1, 305 .iConfiguration = STR_CONFIG_TABLET, 306 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 307 .bMaxPower = 50, 308 .nif = 1, 309 .ifs = &desc_iface_tablet, 310 }, 311 }, 312 }; 313 314 static const USBDescDevice desc_device_tablet2 = { 315 .bcdUSB = 0x0200, 316 .bMaxPacketSize0 = 64, 317 .bNumConfigurations = 1, 318 .confs = (USBDescConfig[]) { 319 { 320 .bNumInterfaces = 1, 321 .bConfigurationValue = 1, 322 .iConfiguration = STR_CONFIG_TABLET, 323 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 324 .bMaxPower = 50, 325 .nif = 1, 326 .ifs = &desc_iface_tablet2, 327 }, 328 }, 329 }; 330 331 static const USBDescDevice desc_device_keyboard = { 332 .bcdUSB = 0x0100, 333 .bMaxPacketSize0 = 8, 334 .bNumConfigurations = 1, 335 .confs = (USBDescConfig[]) { 336 { 337 .bNumInterfaces = 1, 338 .bConfigurationValue = 1, 339 .iConfiguration = STR_CONFIG_KEYBOARD, 340 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 341 .bMaxPower = 50, 342 .nif = 1, 343 .ifs = &desc_iface_keyboard, 344 }, 345 }, 346 }; 347 348 static const USBDescDevice desc_device_keyboard2 = { 349 .bcdUSB = 0x0200, 350 .bMaxPacketSize0 = 64, 351 .bNumConfigurations = 1, 352 .confs = (USBDescConfig[]) { 353 { 354 .bNumInterfaces = 1, 355 .bConfigurationValue = 1, 356 .iConfiguration = STR_CONFIG_KEYBOARD, 357 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 358 .bMaxPower = 50, 359 .nif = 1, 360 .ifs = &desc_iface_keyboard2, 361 }, 362 }, 363 }; 364 365 static const USBDescMSOS desc_msos_suspend = { 366 .SelectiveSuspendEnabled = true, 367 }; 368 369 static const USBDesc desc_mouse = { 370 .id = { 371 .idVendor = 0x0627, 372 .idProduct = 0x0001, 373 .bcdDevice = 0, 374 .iManufacturer = STR_MANUFACTURER, 375 .iProduct = STR_PRODUCT_MOUSE, 376 .iSerialNumber = STR_SERIAL_MOUSE, 377 }, 378 .full = &desc_device_mouse, 379 .str = desc_strings, 380 .msos = &desc_msos_suspend, 381 }; 382 383 static const USBDesc desc_mouse2 = { 384 .id = { 385 .idVendor = 0x0627, 386 .idProduct = 0x0001, 387 .bcdDevice = 0, 388 .iManufacturer = STR_MANUFACTURER, 389 .iProduct = STR_PRODUCT_MOUSE, 390 .iSerialNumber = STR_SERIAL_MOUSE, 391 }, 392 .full = &desc_device_mouse, 393 .high = &desc_device_mouse2, 394 .str = desc_strings, 395 .msos = &desc_msos_suspend, 396 }; 397 398 static const USBDesc desc_tablet = { 399 .id = { 400 .idVendor = 0x0627, 401 .idProduct = 0x0001, 402 .bcdDevice = 0, 403 .iManufacturer = STR_MANUFACTURER, 404 .iProduct = STR_PRODUCT_TABLET, 405 .iSerialNumber = STR_SERIAL_TABLET, 406 }, 407 .full = &desc_device_tablet, 408 .str = desc_strings, 409 .msos = &desc_msos_suspend, 410 }; 411 412 static const USBDesc desc_tablet2 = { 413 .id = { 414 .idVendor = 0x0627, 415 .idProduct = 0x0001, 416 .bcdDevice = 0, 417 .iManufacturer = STR_MANUFACTURER, 418 .iProduct = STR_PRODUCT_TABLET, 419 .iSerialNumber = STR_SERIAL_TABLET, 420 }, 421 .full = &desc_device_tablet, 422 .high = &desc_device_tablet2, 423 .str = desc_strings, 424 .msos = &desc_msos_suspend, 425 }; 426 427 static const USBDesc desc_keyboard = { 428 .id = { 429 .idVendor = 0x0627, 430 .idProduct = 0x0001, 431 .bcdDevice = 0, 432 .iManufacturer = STR_MANUFACTURER, 433 .iProduct = STR_PRODUCT_KEYBOARD, 434 .iSerialNumber = STR_SERIAL_KEYBOARD, 435 }, 436 .full = &desc_device_keyboard, 437 .str = desc_strings, 438 .msos = &desc_msos_suspend, 439 }; 440 441 static const USBDesc desc_keyboard2 = { 442 .id = { 443 .idVendor = 0x0627, 444 .idProduct = 0x0001, 445 .bcdDevice = 0, 446 .iManufacturer = STR_MANUFACTURER, 447 .iProduct = STR_PRODUCT_KEYBOARD, 448 .iSerialNumber = STR_SERIAL_KEYBOARD, 449 }, 450 .full = &desc_device_keyboard, 451 .high = &desc_device_keyboard2, 452 .str = desc_strings, 453 .msos = &desc_msos_suspend, 454 }; 455 456 static const uint8_t qemu_mouse_hid_report_descriptor[] = { 457 0x05, 0x01, /* Usage Page (Generic Desktop) */ 458 0x09, 0x02, /* Usage (Mouse) */ 459 0xa1, 0x01, /* Collection (Application) */ 460 0x09, 0x01, /* Usage (Pointer) */ 461 0xa1, 0x00, /* Collection (Physical) */ 462 0x05, 0x09, /* Usage Page (Button) */ 463 0x19, 0x01, /* Usage Minimum (1) */ 464 0x29, 0x05, /* Usage Maximum (5) */ 465 0x15, 0x00, /* Logical Minimum (0) */ 466 0x25, 0x01, /* Logical Maximum (1) */ 467 0x95, 0x05, /* Report Count (5) */ 468 0x75, 0x01, /* Report Size (1) */ 469 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 470 0x95, 0x01, /* Report Count (1) */ 471 0x75, 0x03, /* Report Size (3) */ 472 0x81, 0x01, /* Input (Constant) */ 473 0x05, 0x01, /* Usage Page (Generic Desktop) */ 474 0x09, 0x30, /* Usage (X) */ 475 0x09, 0x31, /* Usage (Y) */ 476 0x09, 0x38, /* Usage (Wheel) */ 477 0x15, 0x81, /* Logical Minimum (-0x7f) */ 478 0x25, 0x7f, /* Logical Maximum (0x7f) */ 479 0x75, 0x08, /* Report Size (8) */ 480 0x95, 0x03, /* Report Count (3) */ 481 0x81, 0x06, /* Input (Data, Variable, Relative) */ 482 0xc0, /* End Collection */ 483 0xc0, /* End Collection */ 484 }; 485 486 static const uint8_t qemu_tablet_hid_report_descriptor[] = { 487 0x05, 0x01, /* Usage Page (Generic Desktop) */ 488 0x09, 0x02, /* Usage (Mouse) */ 489 0xa1, 0x01, /* Collection (Application) */ 490 0x09, 0x01, /* Usage (Pointer) */ 491 0xa1, 0x00, /* Collection (Physical) */ 492 0x05, 0x09, /* Usage Page (Button) */ 493 0x19, 0x01, /* Usage Minimum (1) */ 494 0x29, 0x03, /* Usage Maximum (3) */ 495 0x15, 0x00, /* Logical Minimum (0) */ 496 0x25, 0x01, /* Logical Maximum (1) */ 497 0x95, 0x03, /* Report Count (3) */ 498 0x75, 0x01, /* Report Size (1) */ 499 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 500 0x95, 0x01, /* Report Count (1) */ 501 0x75, 0x05, /* Report Size (5) */ 502 0x81, 0x01, /* Input (Constant) */ 503 0x05, 0x01, /* Usage Page (Generic Desktop) */ 504 0x09, 0x30, /* Usage (X) */ 505 0x09, 0x31, /* Usage (Y) */ 506 0x15, 0x00, /* Logical Minimum (0) */ 507 0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */ 508 0x35, 0x00, /* Physical Minimum (0) */ 509 0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */ 510 0x75, 0x10, /* Report Size (16) */ 511 0x95, 0x02, /* Report Count (2) */ 512 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 513 0x05, 0x01, /* Usage Page (Generic Desktop) */ 514 0x09, 0x38, /* Usage (Wheel) */ 515 0x15, 0x81, /* Logical Minimum (-0x7f) */ 516 0x25, 0x7f, /* Logical Maximum (0x7f) */ 517 0x35, 0x00, /* Physical Minimum (same as logical) */ 518 0x45, 0x00, /* Physical Maximum (same as logical) */ 519 0x75, 0x08, /* Report Size (8) */ 520 0x95, 0x01, /* Report Count (1) */ 521 0x81, 0x06, /* Input (Data, Variable, Relative) */ 522 0xc0, /* End Collection */ 523 0xc0, /* End Collection */ 524 }; 525 526 static const uint8_t qemu_keyboard_hid_report_descriptor[] = { 527 0x05, 0x01, /* Usage Page (Generic Desktop) */ 528 0x09, 0x06, /* Usage (Keyboard) */ 529 0xa1, 0x01, /* Collection (Application) */ 530 0x75, 0x01, /* Report Size (1) */ 531 0x95, 0x08, /* Report Count (8) */ 532 0x05, 0x07, /* Usage Page (Key Codes) */ 533 0x19, 0xe0, /* Usage Minimum (224) */ 534 0x29, 0xe7, /* Usage Maximum (231) */ 535 0x15, 0x00, /* Logical Minimum (0) */ 536 0x25, 0x01, /* Logical Maximum (1) */ 537 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 538 0x95, 0x01, /* Report Count (1) */ 539 0x75, 0x08, /* Report Size (8) */ 540 0x81, 0x01, /* Input (Constant) */ 541 0x95, 0x05, /* Report Count (5) */ 542 0x75, 0x01, /* Report Size (1) */ 543 0x05, 0x08, /* Usage Page (LEDs) */ 544 0x19, 0x01, /* Usage Minimum (1) */ 545 0x29, 0x05, /* Usage Maximum (5) */ 546 0x91, 0x02, /* Output (Data, Variable, Absolute) */ 547 0x95, 0x01, /* Report Count (1) */ 548 0x75, 0x03, /* Report Size (3) */ 549 0x91, 0x01, /* Output (Constant) */ 550 0x95, 0x06, /* Report Count (6) */ 551 0x75, 0x08, /* Report Size (8) */ 552 0x15, 0x00, /* Logical Minimum (0) */ 553 0x25, 0xff, /* Logical Maximum (255) */ 554 0x05, 0x07, /* Usage Page (Key Codes) */ 555 0x19, 0x00, /* Usage Minimum (0) */ 556 0x29, 0xff, /* Usage Maximum (255) */ 557 0x81, 0x00, /* Input (Data, Array) */ 558 0xc0, /* End Collection */ 559 }; 560 561 static void usb_hid_changed(HIDState *hs) 562 { 563 USBHIDState *us = container_of(hs, USBHIDState, hid); 564 565 usb_wakeup(us->intr, 0); 566 } 567 568 static void usb_hid_handle_reset(USBDevice *dev) 569 { 570 USBHIDState *us = USB_HID(dev); 571 572 hid_reset(&us->hid); 573 } 574 575 static void usb_hid_handle_control(USBDevice *dev, USBPacket *p, 576 int request, int value, int index, int length, uint8_t *data) 577 { 578 USBHIDState *us = USB_HID(dev); 579 HIDState *hs = &us->hid; 580 int ret; 581 582 ret = usb_desc_handle_control(dev, p, request, value, index, length, data); 583 if (ret >= 0) { 584 return; 585 } 586 587 switch (request) { 588 /* hid specific requests */ 589 case InterfaceRequest | USB_REQ_GET_DESCRIPTOR: 590 switch (value >> 8) { 591 case 0x22: 592 if (hs->kind == HID_MOUSE) { 593 memcpy(data, qemu_mouse_hid_report_descriptor, 594 sizeof(qemu_mouse_hid_report_descriptor)); 595 p->actual_length = sizeof(qemu_mouse_hid_report_descriptor); 596 } else if (hs->kind == HID_TABLET) { 597 memcpy(data, qemu_tablet_hid_report_descriptor, 598 sizeof(qemu_tablet_hid_report_descriptor)); 599 p->actual_length = sizeof(qemu_tablet_hid_report_descriptor); 600 } else if (hs->kind == HID_KEYBOARD) { 601 memcpy(data, qemu_keyboard_hid_report_descriptor, 602 sizeof(qemu_keyboard_hid_report_descriptor)); 603 p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor); 604 } 605 break; 606 default: 607 goto fail; 608 } 609 break; 610 case HID_GET_REPORT: 611 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 612 p->actual_length = hid_pointer_poll(hs, data, length); 613 } else if (hs->kind == HID_KEYBOARD) { 614 p->actual_length = hid_keyboard_poll(hs, data, length); 615 } 616 break; 617 case HID_SET_REPORT: 618 if (hs->kind == HID_KEYBOARD) { 619 p->actual_length = hid_keyboard_write(hs, data, length); 620 } else { 621 goto fail; 622 } 623 break; 624 case HID_GET_PROTOCOL: 625 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 626 goto fail; 627 } 628 data[0] = hs->protocol; 629 p->actual_length = 1; 630 break; 631 case HID_SET_PROTOCOL: 632 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 633 goto fail; 634 } 635 hs->protocol = value; 636 break; 637 case HID_GET_IDLE: 638 data[0] = hs->idle; 639 p->actual_length = 1; 640 break; 641 case HID_SET_IDLE: 642 hs->idle = (uint8_t) (value >> 8); 643 hid_set_next_idle(hs); 644 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 645 hid_pointer_activate(hs); 646 } 647 break; 648 default: 649 fail: 650 p->status = USB_RET_STALL; 651 break; 652 } 653 } 654 655 static void usb_hid_handle_data(USBDevice *dev, USBPacket *p) 656 { 657 USBHIDState *us = USB_HID(dev); 658 HIDState *hs = &us->hid; 659 g_autofree uint8_t *buf = g_malloc(p->iov.size); 660 int len = 0; 661 662 switch (p->pid) { 663 case USB_TOKEN_IN: 664 if (p->ep->nr == 1) { 665 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 666 hid_pointer_activate(hs); 667 } 668 if (!hid_has_events(hs)) { 669 p->status = USB_RET_NAK; 670 return; 671 } 672 hid_set_next_idle(hs); 673 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 674 len = hid_pointer_poll(hs, buf, p->iov.size); 675 } else if (hs->kind == HID_KEYBOARD) { 676 len = hid_keyboard_poll(hs, buf, p->iov.size); 677 } 678 usb_packet_copy(p, buf, len); 679 } else { 680 goto fail; 681 } 682 break; 683 case USB_TOKEN_OUT: 684 default: 685 fail: 686 p->status = USB_RET_STALL; 687 break; 688 } 689 } 690 691 static void usb_hid_unrealize(USBDevice *dev) 692 { 693 USBHIDState *us = USB_HID(dev); 694 695 hid_free(&us->hid); 696 } 697 698 static void usb_hid_initfn(USBDevice *dev, int kind, 699 const USBDesc *usb1, const USBDesc *usb2, 700 Error **errp) 701 { 702 USBHIDState *us = USB_HID(dev); 703 switch (us->usb_version) { 704 case 1: 705 dev->usb_desc = usb1; 706 break; 707 case 2: 708 dev->usb_desc = usb2; 709 break; 710 default: 711 dev->usb_desc = NULL; 712 } 713 if (!dev->usb_desc) { 714 error_setg(errp, "Invalid usb version %d for usb hid device", 715 us->usb_version); 716 return; 717 } 718 719 usb_desc_create_serial(dev); 720 usb_desc_init(dev); 721 us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); 722 hid_init(&us->hid, kind, usb_hid_changed); 723 if (us->display && us->hid.s) { 724 qemu_input_handler_bind(us->hid.s, us->display, us->head, NULL); 725 } 726 } 727 728 static void usb_tablet_realize(USBDevice *dev, Error **errp) 729 { 730 731 usb_hid_initfn(dev, HID_TABLET, &desc_tablet, &desc_tablet2, errp); 732 } 733 734 static void usb_mouse_realize(USBDevice *dev, Error **errp) 735 { 736 usb_hid_initfn(dev, HID_MOUSE, &desc_mouse, &desc_mouse2, errp); 737 } 738 739 static void usb_keyboard_realize(USBDevice *dev, Error **errp) 740 { 741 usb_hid_initfn(dev, HID_KEYBOARD, &desc_keyboard, &desc_keyboard2, errp); 742 } 743 744 static int usb_ptr_post_load(void *opaque, int version_id) 745 { 746 USBHIDState *s = opaque; 747 748 if (s->dev.remote_wakeup) { 749 hid_pointer_activate(&s->hid); 750 } 751 return 0; 752 } 753 754 static const VMStateDescription vmstate_usb_ptr = { 755 .name = "usb-ptr", 756 .version_id = 1, 757 .minimum_version_id = 1, 758 .post_load = usb_ptr_post_load, 759 .fields = (VMStateField[]) { 760 VMSTATE_USB_DEVICE(dev, USBHIDState), 761 VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState), 762 VMSTATE_END_OF_LIST() 763 } 764 }; 765 766 static const VMStateDescription vmstate_usb_kbd = { 767 .name = "usb-kbd", 768 .version_id = 1, 769 .minimum_version_id = 1, 770 .fields = (VMStateField[]) { 771 VMSTATE_USB_DEVICE(dev, USBHIDState), 772 VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState), 773 VMSTATE_END_OF_LIST() 774 } 775 }; 776 777 static void usb_hid_class_initfn(ObjectClass *klass, void *data) 778 { 779 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 780 781 uc->handle_reset = usb_hid_handle_reset; 782 uc->handle_control = usb_hid_handle_control; 783 uc->handle_data = usb_hid_handle_data; 784 uc->unrealize = usb_hid_unrealize; 785 uc->handle_attach = usb_desc_attach; 786 } 787 788 static const TypeInfo usb_hid_type_info = { 789 .name = TYPE_USB_HID, 790 .parent = TYPE_USB_DEVICE, 791 .instance_size = sizeof(USBHIDState), 792 .abstract = true, 793 .class_init = usb_hid_class_initfn, 794 }; 795 796 static Property usb_tablet_properties[] = { 797 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 798 DEFINE_PROP_STRING("display", USBHIDState, display), 799 DEFINE_PROP_UINT32("head", USBHIDState, head, 0), 800 DEFINE_PROP_END_OF_LIST(), 801 }; 802 803 static void usb_tablet_class_initfn(ObjectClass *klass, void *data) 804 { 805 DeviceClass *dc = DEVICE_CLASS(klass); 806 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 807 808 uc->realize = usb_tablet_realize; 809 uc->product_desc = "QEMU USB Tablet"; 810 dc->vmsd = &vmstate_usb_ptr; 811 device_class_set_props(dc, usb_tablet_properties); 812 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 813 } 814 815 static const TypeInfo usb_tablet_info = { 816 .name = "usb-tablet", 817 .parent = TYPE_USB_HID, 818 .class_init = usb_tablet_class_initfn, 819 }; 820 821 static Property usb_mouse_properties[] = { 822 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 823 DEFINE_PROP_END_OF_LIST(), 824 }; 825 826 static void usb_mouse_class_initfn(ObjectClass *klass, void *data) 827 { 828 DeviceClass *dc = DEVICE_CLASS(klass); 829 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 830 831 uc->realize = usb_mouse_realize; 832 uc->product_desc = "QEMU USB Mouse"; 833 dc->vmsd = &vmstate_usb_ptr; 834 device_class_set_props(dc, usb_mouse_properties); 835 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 836 } 837 838 static const TypeInfo usb_mouse_info = { 839 .name = "usb-mouse", 840 .parent = TYPE_USB_HID, 841 .class_init = usb_mouse_class_initfn, 842 }; 843 844 static Property usb_keyboard_properties[] = { 845 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 846 DEFINE_PROP_STRING("display", USBHIDState, display), 847 DEFINE_PROP_END_OF_LIST(), 848 }; 849 850 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data) 851 { 852 DeviceClass *dc = DEVICE_CLASS(klass); 853 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 854 855 uc->realize = usb_keyboard_realize; 856 uc->product_desc = "QEMU USB Keyboard"; 857 dc->vmsd = &vmstate_usb_kbd; 858 device_class_set_props(dc, usb_keyboard_properties); 859 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 860 } 861 862 static const TypeInfo usb_keyboard_info = { 863 .name = "usb-kbd", 864 .parent = TYPE_USB_HID, 865 .class_init = usb_keyboard_class_initfn, 866 }; 867 868 static void usb_hid_register_types(void) 869 { 870 type_register_static(&usb_hid_type_info); 871 type_register_static(&usb_tablet_info); 872 usb_legacy_register("usb-tablet", "tablet", NULL); 873 type_register_static(&usb_mouse_info); 874 usb_legacy_register("usb-mouse", "mouse", NULL); 875 type_register_static(&usb_keyboard_info); 876 usb_legacy_register("usb-kbd", "keyboard", NULL); 877 } 878 879 type_init(usb_hid_register_types)