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 "qemu/osdep.h" 26 #include "hw/hw.h" 27 #include "ui/console.h" 28 #include "hw/usb.h" 29 #include "hw/usb/desc.h" 30 #include "qapi/error.h" 31 #include "qemu/timer.h" 32 #include "hw/input/hid.h" 33 34 /* HID interface requests */ 35 #define GET_REPORT 0xa101 36 #define GET_IDLE 0xa102 37 #define GET_PROTOCOL 0xa103 38 #define SET_REPORT 0x2109 39 #define SET_IDLE 0x210a 40 #define SET_PROTOCOL 0x210b 41 42 /* HID descriptor types */ 43 #define USB_DT_HID 0x21 44 #define USB_DT_REPORT 0x22 45 #define USB_DT_PHY 0x23 46 47 typedef struct USBHIDState { 48 USBDevice dev; 49 USBEndpoint *intr; 50 HIDState hid; 51 uint32_t usb_version; 52 char *display; 53 uint32_t head; 54 } USBHIDState; 55 56 #define TYPE_USB_HID "usb-hid" 57 #define USB_HID(obj) OBJECT_CHECK(USBHIDState, (obj), TYPE_USB_HID) 58 59 enum { 60 STR_MANUFACTURER = 1, 61 STR_PRODUCT_MOUSE, 62 STR_PRODUCT_TABLET, 63 STR_PRODUCT_KEYBOARD, 64 STR_SERIALNUMBER, 65 STR_CONFIG_MOUSE, 66 STR_CONFIG_TABLET, 67 STR_CONFIG_KEYBOARD, 68 }; 69 70 static const USBDescStrings desc_strings = { 71 [STR_MANUFACTURER] = "QEMU", 72 [STR_PRODUCT_MOUSE] = "QEMU USB Mouse", 73 [STR_PRODUCT_TABLET] = "QEMU USB Tablet", 74 [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard", 75 [STR_SERIALNUMBER] = "42", /* == remote wakeup works */ 76 [STR_CONFIG_MOUSE] = "HID Mouse", 77 [STR_CONFIG_TABLET] = "HID Tablet", 78 [STR_CONFIG_KEYBOARD] = "HID Keyboard", 79 }; 80 81 static const USBDescIface desc_iface_mouse = { 82 .bInterfaceNumber = 0, 83 .bNumEndpoints = 1, 84 .bInterfaceClass = USB_CLASS_HID, 85 .bInterfaceSubClass = 0x01, /* boot */ 86 .bInterfaceProtocol = 0x02, 87 .ndesc = 1, 88 .descs = (USBDescOther[]) { 89 { 90 /* HID descriptor */ 91 .data = (uint8_t[]) { 92 0x09, /* u8 bLength */ 93 USB_DT_HID, /* u8 bDescriptorType */ 94 0x01, 0x00, /* u16 HID_class */ 95 0x00, /* u8 country_code */ 96 0x01, /* u8 num_descriptors */ 97 USB_DT_REPORT, /* u8 type: Report */ 98 52, 0, /* u16 len */ 99 }, 100 }, 101 }, 102 .eps = (USBDescEndpoint[]) { 103 { 104 .bEndpointAddress = USB_DIR_IN | 0x01, 105 .bmAttributes = USB_ENDPOINT_XFER_INT, 106 .wMaxPacketSize = 4, 107 .bInterval = 0x0a, 108 }, 109 }, 110 }; 111 112 static const USBDescIface desc_iface_mouse2 = { 113 .bInterfaceNumber = 0, 114 .bNumEndpoints = 1, 115 .bInterfaceClass = USB_CLASS_HID, 116 .bInterfaceSubClass = 0x01, /* boot */ 117 .bInterfaceProtocol = 0x02, 118 .ndesc = 1, 119 .descs = (USBDescOther[]) { 120 { 121 /* HID descriptor */ 122 .data = (uint8_t[]) { 123 0x09, /* u8 bLength */ 124 USB_DT_HID, /* u8 bDescriptorType */ 125 0x01, 0x00, /* u16 HID_class */ 126 0x00, /* u8 country_code */ 127 0x01, /* u8 num_descriptors */ 128 USB_DT_REPORT, /* u8 type: Report */ 129 52, 0, /* u16 len */ 130 }, 131 }, 132 }, 133 .eps = (USBDescEndpoint[]) { 134 { 135 .bEndpointAddress = USB_DIR_IN | 0x01, 136 .bmAttributes = USB_ENDPOINT_XFER_INT, 137 .wMaxPacketSize = 4, 138 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ 139 }, 140 }, 141 }; 142 143 static const USBDescIface desc_iface_tablet = { 144 .bInterfaceNumber = 0, 145 .bNumEndpoints = 1, 146 .bInterfaceClass = USB_CLASS_HID, 147 .bInterfaceProtocol = 0x00, 148 .ndesc = 1, 149 .descs = (USBDescOther[]) { 150 { 151 /* HID descriptor */ 152 .data = (uint8_t[]) { 153 0x09, /* u8 bLength */ 154 USB_DT_HID, /* u8 bDescriptorType */ 155 0x01, 0x00, /* u16 HID_class */ 156 0x00, /* u8 country_code */ 157 0x01, /* u8 num_descriptors */ 158 USB_DT_REPORT, /* u8 type: Report */ 159 74, 0, /* u16 len */ 160 }, 161 }, 162 }, 163 .eps = (USBDescEndpoint[]) { 164 { 165 .bEndpointAddress = USB_DIR_IN | 0x01, 166 .bmAttributes = USB_ENDPOINT_XFER_INT, 167 .wMaxPacketSize = 8, 168 .bInterval = 0x0a, 169 }, 170 }, 171 }; 172 173 static const USBDescIface desc_iface_tablet2 = { 174 .bInterfaceNumber = 0, 175 .bNumEndpoints = 1, 176 .bInterfaceClass = USB_CLASS_HID, 177 .bInterfaceProtocol = 0x00, 178 .ndesc = 1, 179 .descs = (USBDescOther[]) { 180 { 181 /* HID descriptor */ 182 .data = (uint8_t[]) { 183 0x09, /* u8 bLength */ 184 USB_DT_HID, /* u8 bDescriptorType */ 185 0x01, 0x00, /* u16 HID_class */ 186 0x00, /* u8 country_code */ 187 0x01, /* u8 num_descriptors */ 188 USB_DT_REPORT, /* u8 type: Report */ 189 74, 0, /* u16 len */ 190 }, 191 }, 192 }, 193 .eps = (USBDescEndpoint[]) { 194 { 195 .bEndpointAddress = USB_DIR_IN | 0x01, 196 .bmAttributes = USB_ENDPOINT_XFER_INT, 197 .wMaxPacketSize = 8, 198 .bInterval = 4, /* 2 ^ (4-1) * 125 usecs = 1 ms */ 199 }, 200 }, 201 }; 202 203 static const USBDescIface desc_iface_keyboard = { 204 .bInterfaceNumber = 0, 205 .bNumEndpoints = 1, 206 .bInterfaceClass = USB_CLASS_HID, 207 .bInterfaceSubClass = 0x01, /* boot */ 208 .bInterfaceProtocol = 0x01, /* keyboard */ 209 .ndesc = 1, 210 .descs = (USBDescOther[]) { 211 { 212 /* HID descriptor */ 213 .data = (uint8_t[]) { 214 0x09, /* u8 bLength */ 215 USB_DT_HID, /* u8 bDescriptorType */ 216 0x11, 0x01, /* u16 HID_class */ 217 0x00, /* u8 country_code */ 218 0x01, /* u8 num_descriptors */ 219 USB_DT_REPORT, /* u8 type: Report */ 220 0x3f, 0, /* u16 len */ 221 }, 222 }, 223 }, 224 .eps = (USBDescEndpoint[]) { 225 { 226 .bEndpointAddress = USB_DIR_IN | 0x01, 227 .bmAttributes = USB_ENDPOINT_XFER_INT, 228 .wMaxPacketSize = 8, 229 .bInterval = 0x0a, 230 }, 231 }, 232 }; 233 234 static const USBDescIface desc_iface_keyboard2 = { 235 .bInterfaceNumber = 0, 236 .bNumEndpoints = 1, 237 .bInterfaceClass = USB_CLASS_HID, 238 .bInterfaceSubClass = 0x01, /* boot */ 239 .bInterfaceProtocol = 0x01, /* keyboard */ 240 .ndesc = 1, 241 .descs = (USBDescOther[]) { 242 { 243 /* HID descriptor */ 244 .data = (uint8_t[]) { 245 0x09, /* u8 bLength */ 246 USB_DT_HID, /* u8 bDescriptorType */ 247 0x11, 0x01, /* u16 HID_class */ 248 0x00, /* u8 country_code */ 249 0x01, /* u8 num_descriptors */ 250 USB_DT_REPORT, /* u8 type: Report */ 251 0x3f, 0, /* u16 len */ 252 }, 253 }, 254 }, 255 .eps = (USBDescEndpoint[]) { 256 { 257 .bEndpointAddress = USB_DIR_IN | 0x01, 258 .bmAttributes = USB_ENDPOINT_XFER_INT, 259 .wMaxPacketSize = 8, 260 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ 261 }, 262 }, 263 }; 264 265 static const USBDescDevice desc_device_mouse = { 266 .bcdUSB = 0x0100, 267 .bMaxPacketSize0 = 8, 268 .bNumConfigurations = 1, 269 .confs = (USBDescConfig[]) { 270 { 271 .bNumInterfaces = 1, 272 .bConfigurationValue = 1, 273 .iConfiguration = STR_CONFIG_MOUSE, 274 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 275 .bMaxPower = 50, 276 .nif = 1, 277 .ifs = &desc_iface_mouse, 278 }, 279 }, 280 }; 281 282 static const USBDescDevice desc_device_mouse2 = { 283 .bcdUSB = 0x0200, 284 .bMaxPacketSize0 = 64, 285 .bNumConfigurations = 1, 286 .confs = (USBDescConfig[]) { 287 { 288 .bNumInterfaces = 1, 289 .bConfigurationValue = 1, 290 .iConfiguration = STR_CONFIG_MOUSE, 291 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 292 .bMaxPower = 50, 293 .nif = 1, 294 .ifs = &desc_iface_mouse2, 295 }, 296 }, 297 }; 298 299 static const USBDescDevice desc_device_tablet = { 300 .bcdUSB = 0x0100, 301 .bMaxPacketSize0 = 8, 302 .bNumConfigurations = 1, 303 .confs = (USBDescConfig[]) { 304 { 305 .bNumInterfaces = 1, 306 .bConfigurationValue = 1, 307 .iConfiguration = STR_CONFIG_TABLET, 308 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 309 .bMaxPower = 50, 310 .nif = 1, 311 .ifs = &desc_iface_tablet, 312 }, 313 }, 314 }; 315 316 static const USBDescDevice desc_device_tablet2 = { 317 .bcdUSB = 0x0200, 318 .bMaxPacketSize0 = 64, 319 .bNumConfigurations = 1, 320 .confs = (USBDescConfig[]) { 321 { 322 .bNumInterfaces = 1, 323 .bConfigurationValue = 1, 324 .iConfiguration = STR_CONFIG_TABLET, 325 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 326 .bMaxPower = 50, 327 .nif = 1, 328 .ifs = &desc_iface_tablet2, 329 }, 330 }, 331 }; 332 333 static const USBDescDevice desc_device_keyboard = { 334 .bcdUSB = 0x0100, 335 .bMaxPacketSize0 = 8, 336 .bNumConfigurations = 1, 337 .confs = (USBDescConfig[]) { 338 { 339 .bNumInterfaces = 1, 340 .bConfigurationValue = 1, 341 .iConfiguration = STR_CONFIG_KEYBOARD, 342 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 343 .bMaxPower = 50, 344 .nif = 1, 345 .ifs = &desc_iface_keyboard, 346 }, 347 }, 348 }; 349 350 static const USBDescDevice desc_device_keyboard2 = { 351 .bcdUSB = 0x0200, 352 .bMaxPacketSize0 = 64, 353 .bNumConfigurations = 1, 354 .confs = (USBDescConfig[]) { 355 { 356 .bNumInterfaces = 1, 357 .bConfigurationValue = 1, 358 .iConfiguration = STR_CONFIG_KEYBOARD, 359 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 360 .bMaxPower = 50, 361 .nif = 1, 362 .ifs = &desc_iface_keyboard2, 363 }, 364 }, 365 }; 366 367 static const USBDescMSOS desc_msos_suspend = { 368 .SelectiveSuspendEnabled = true, 369 }; 370 371 static const USBDesc desc_mouse = { 372 .id = { 373 .idVendor = 0x0627, 374 .idProduct = 0x0001, 375 .bcdDevice = 0, 376 .iManufacturer = STR_MANUFACTURER, 377 .iProduct = STR_PRODUCT_MOUSE, 378 .iSerialNumber = STR_SERIALNUMBER, 379 }, 380 .full = &desc_device_mouse, 381 .str = desc_strings, 382 .msos = &desc_msos_suspend, 383 }; 384 385 static const USBDesc desc_mouse2 = { 386 .id = { 387 .idVendor = 0x0627, 388 .idProduct = 0x0001, 389 .bcdDevice = 0, 390 .iManufacturer = STR_MANUFACTURER, 391 .iProduct = STR_PRODUCT_MOUSE, 392 .iSerialNumber = STR_SERIALNUMBER, 393 }, 394 .full = &desc_device_mouse, 395 .high = &desc_device_mouse2, 396 .str = desc_strings, 397 .msos = &desc_msos_suspend, 398 }; 399 400 static const USBDesc desc_tablet = { 401 .id = { 402 .idVendor = 0x0627, 403 .idProduct = 0x0001, 404 .bcdDevice = 0, 405 .iManufacturer = STR_MANUFACTURER, 406 .iProduct = STR_PRODUCT_TABLET, 407 .iSerialNumber = STR_SERIALNUMBER, 408 }, 409 .full = &desc_device_tablet, 410 .str = desc_strings, 411 .msos = &desc_msos_suspend, 412 }; 413 414 static const USBDesc desc_tablet2 = { 415 .id = { 416 .idVendor = 0x0627, 417 .idProduct = 0x0001, 418 .bcdDevice = 0, 419 .iManufacturer = STR_MANUFACTURER, 420 .iProduct = STR_PRODUCT_TABLET, 421 .iSerialNumber = STR_SERIALNUMBER, 422 }, 423 .full = &desc_device_tablet, 424 .high = &desc_device_tablet2, 425 .str = desc_strings, 426 .msos = &desc_msos_suspend, 427 }; 428 429 static const USBDesc desc_keyboard = { 430 .id = { 431 .idVendor = 0x0627, 432 .idProduct = 0x0001, 433 .bcdDevice = 0, 434 .iManufacturer = STR_MANUFACTURER, 435 .iProduct = STR_PRODUCT_KEYBOARD, 436 .iSerialNumber = STR_SERIALNUMBER, 437 }, 438 .full = &desc_device_keyboard, 439 .str = desc_strings, 440 .msos = &desc_msos_suspend, 441 }; 442 443 static const USBDesc desc_keyboard2 = { 444 .id = { 445 .idVendor = 0x0627, 446 .idProduct = 0x0001, 447 .bcdDevice = 0, 448 .iManufacturer = STR_MANUFACTURER, 449 .iProduct = STR_PRODUCT_KEYBOARD, 450 .iSerialNumber = STR_SERIALNUMBER, 451 }, 452 .full = &desc_device_keyboard, 453 .high = &desc_device_keyboard2, 454 .str = desc_strings, 455 .msos = &desc_msos_suspend, 456 }; 457 458 static const uint8_t qemu_mouse_hid_report_descriptor[] = { 459 0x05, 0x01, /* Usage Page (Generic Desktop) */ 460 0x09, 0x02, /* Usage (Mouse) */ 461 0xa1, 0x01, /* Collection (Application) */ 462 0x09, 0x01, /* Usage (Pointer) */ 463 0xa1, 0x00, /* Collection (Physical) */ 464 0x05, 0x09, /* Usage Page (Button) */ 465 0x19, 0x01, /* Usage Minimum (1) */ 466 0x29, 0x03, /* Usage Maximum (3) */ 467 0x15, 0x00, /* Logical Minimum (0) */ 468 0x25, 0x01, /* Logical Maximum (1) */ 469 0x95, 0x03, /* Report Count (3) */ 470 0x75, 0x01, /* Report Size (1) */ 471 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 472 0x95, 0x01, /* Report Count (1) */ 473 0x75, 0x05, /* Report Size (5) */ 474 0x81, 0x01, /* Input (Constant) */ 475 0x05, 0x01, /* Usage Page (Generic Desktop) */ 476 0x09, 0x30, /* Usage (X) */ 477 0x09, 0x31, /* Usage (Y) */ 478 0x09, 0x38, /* Usage (Wheel) */ 479 0x15, 0x81, /* Logical Minimum (-0x7f) */ 480 0x25, 0x7f, /* Logical Maximum (0x7f) */ 481 0x75, 0x08, /* Report Size (8) */ 482 0x95, 0x03, /* Report Count (3) */ 483 0x81, 0x06, /* Input (Data, Variable, Relative) */ 484 0xc0, /* End Collection */ 485 0xc0, /* End Collection */ 486 }; 487 488 static const uint8_t qemu_tablet_hid_report_descriptor[] = { 489 0x05, 0x01, /* Usage Page (Generic Desktop) */ 490 0x09, 0x02, /* Usage (Mouse) */ 491 0xa1, 0x01, /* Collection (Application) */ 492 0x09, 0x01, /* Usage (Pointer) */ 493 0xa1, 0x00, /* Collection (Physical) */ 494 0x05, 0x09, /* Usage Page (Button) */ 495 0x19, 0x01, /* Usage Minimum (1) */ 496 0x29, 0x03, /* Usage Maximum (3) */ 497 0x15, 0x00, /* Logical Minimum (0) */ 498 0x25, 0x01, /* Logical Maximum (1) */ 499 0x95, 0x03, /* Report Count (3) */ 500 0x75, 0x01, /* Report Size (1) */ 501 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 502 0x95, 0x01, /* Report Count (1) */ 503 0x75, 0x05, /* Report Size (5) */ 504 0x81, 0x01, /* Input (Constant) */ 505 0x05, 0x01, /* Usage Page (Generic Desktop) */ 506 0x09, 0x30, /* Usage (X) */ 507 0x09, 0x31, /* Usage (Y) */ 508 0x15, 0x00, /* Logical Minimum (0) */ 509 0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */ 510 0x35, 0x00, /* Physical Minimum (0) */ 511 0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */ 512 0x75, 0x10, /* Report Size (16) */ 513 0x95, 0x02, /* Report Count (2) */ 514 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 515 0x05, 0x01, /* Usage Page (Generic Desktop) */ 516 0x09, 0x38, /* Usage (Wheel) */ 517 0x15, 0x81, /* Logical Minimum (-0x7f) */ 518 0x25, 0x7f, /* Logical Maximum (0x7f) */ 519 0x35, 0x00, /* Physical Minimum (same as logical) */ 520 0x45, 0x00, /* Physical Maximum (same as logical) */ 521 0x75, 0x08, /* Report Size (8) */ 522 0x95, 0x01, /* Report Count (1) */ 523 0x81, 0x06, /* Input (Data, Variable, Relative) */ 524 0xc0, /* End Collection */ 525 0xc0, /* End Collection */ 526 }; 527 528 static const uint8_t qemu_keyboard_hid_report_descriptor[] = { 529 0x05, 0x01, /* Usage Page (Generic Desktop) */ 530 0x09, 0x06, /* Usage (Keyboard) */ 531 0xa1, 0x01, /* Collection (Application) */ 532 0x75, 0x01, /* Report Size (1) */ 533 0x95, 0x08, /* Report Count (8) */ 534 0x05, 0x07, /* Usage Page (Key Codes) */ 535 0x19, 0xe0, /* Usage Minimum (224) */ 536 0x29, 0xe7, /* Usage Maximum (231) */ 537 0x15, 0x00, /* Logical Minimum (0) */ 538 0x25, 0x01, /* Logical Maximum (1) */ 539 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 540 0x95, 0x01, /* Report Count (1) */ 541 0x75, 0x08, /* Report Size (8) */ 542 0x81, 0x01, /* Input (Constant) */ 543 0x95, 0x05, /* Report Count (5) */ 544 0x75, 0x01, /* Report Size (1) */ 545 0x05, 0x08, /* Usage Page (LEDs) */ 546 0x19, 0x01, /* Usage Minimum (1) */ 547 0x29, 0x05, /* Usage Maximum (5) */ 548 0x91, 0x02, /* Output (Data, Variable, Absolute) */ 549 0x95, 0x01, /* Report Count (1) */ 550 0x75, 0x03, /* Report Size (3) */ 551 0x91, 0x01, /* Output (Constant) */ 552 0x95, 0x06, /* Report Count (6) */ 553 0x75, 0x08, /* Report Size (8) */ 554 0x15, 0x00, /* Logical Minimum (0) */ 555 0x25, 0xff, /* Logical Maximum (255) */ 556 0x05, 0x07, /* Usage Page (Key Codes) */ 557 0x19, 0x00, /* Usage Minimum (0) */ 558 0x29, 0xff, /* Usage Maximum (255) */ 559 0x81, 0x00, /* Input (Data, Array) */ 560 0xc0, /* End Collection */ 561 }; 562 563 static void usb_hid_changed(HIDState *hs) 564 { 565 USBHIDState *us = container_of(hs, USBHIDState, hid); 566 567 usb_wakeup(us->intr, 0); 568 } 569 570 static void usb_hid_handle_reset(USBDevice *dev) 571 { 572 USBHIDState *us = USB_HID(dev); 573 574 hid_reset(&us->hid); 575 } 576 577 static void usb_hid_handle_control(USBDevice *dev, USBPacket *p, 578 int request, int value, int index, int length, uint8_t *data) 579 { 580 USBHIDState *us = USB_HID(dev); 581 HIDState *hs = &us->hid; 582 int ret; 583 584 ret = usb_desc_handle_control(dev, p, request, value, index, length, data); 585 if (ret >= 0) { 586 return; 587 } 588 589 switch (request) { 590 /* hid specific requests */ 591 case InterfaceRequest | USB_REQ_GET_DESCRIPTOR: 592 switch (value >> 8) { 593 case 0x22: 594 if (hs->kind == HID_MOUSE) { 595 memcpy(data, qemu_mouse_hid_report_descriptor, 596 sizeof(qemu_mouse_hid_report_descriptor)); 597 p->actual_length = sizeof(qemu_mouse_hid_report_descriptor); 598 } else if (hs->kind == HID_TABLET) { 599 memcpy(data, qemu_tablet_hid_report_descriptor, 600 sizeof(qemu_tablet_hid_report_descriptor)); 601 p->actual_length = sizeof(qemu_tablet_hid_report_descriptor); 602 } else if (hs->kind == HID_KEYBOARD) { 603 memcpy(data, qemu_keyboard_hid_report_descriptor, 604 sizeof(qemu_keyboard_hid_report_descriptor)); 605 p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor); 606 } 607 break; 608 default: 609 goto fail; 610 } 611 break; 612 case GET_REPORT: 613 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 614 p->actual_length = hid_pointer_poll(hs, data, length); 615 } else if (hs->kind == HID_KEYBOARD) { 616 p->actual_length = hid_keyboard_poll(hs, data, length); 617 } 618 break; 619 case SET_REPORT: 620 if (hs->kind == HID_KEYBOARD) { 621 p->actual_length = hid_keyboard_write(hs, data, length); 622 } else { 623 goto fail; 624 } 625 break; 626 case GET_PROTOCOL: 627 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 628 goto fail; 629 } 630 data[0] = hs->protocol; 631 p->actual_length = 1; 632 break; 633 case SET_PROTOCOL: 634 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 635 goto fail; 636 } 637 hs->protocol = value; 638 break; 639 case GET_IDLE: 640 data[0] = hs->idle; 641 p->actual_length = 1; 642 break; 643 case SET_IDLE: 644 hs->idle = (uint8_t) (value >> 8); 645 hid_set_next_idle(hs); 646 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 647 hid_pointer_activate(hs); 648 } 649 break; 650 default: 651 fail: 652 p->status = USB_RET_STALL; 653 break; 654 } 655 } 656 657 static void usb_hid_handle_data(USBDevice *dev, USBPacket *p) 658 { 659 USBHIDState *us = USB_HID(dev); 660 HIDState *hs = &us->hid; 661 uint8_t buf[p->iov.size]; 662 int len = 0; 663 664 switch (p->pid) { 665 case USB_TOKEN_IN: 666 if (p->ep->nr == 1) { 667 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 668 hid_pointer_activate(hs); 669 } 670 if (!hid_has_events(hs)) { 671 p->status = USB_RET_NAK; 672 return; 673 } 674 hid_set_next_idle(hs); 675 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 676 len = hid_pointer_poll(hs, buf, p->iov.size); 677 } else if (hs->kind == HID_KEYBOARD) { 678 len = hid_keyboard_poll(hs, buf, p->iov.size); 679 } 680 usb_packet_copy(p, buf, len); 681 } else { 682 goto fail; 683 } 684 break; 685 case USB_TOKEN_OUT: 686 default: 687 fail: 688 p->status = USB_RET_STALL; 689 break; 690 } 691 } 692 693 static void usb_hid_handle_destroy(USBDevice *dev) 694 { 695 USBHIDState *us = USB_HID(dev); 696 697 hid_free(&us->hid); 698 } 699 700 static void usb_hid_initfn(USBDevice *dev, int kind, 701 const USBDesc *usb1, const USBDesc *usb2, 702 Error **errp) 703 { 704 USBHIDState *us = USB_HID(dev); 705 switch (us->usb_version) { 706 case 1: 707 dev->usb_desc = usb1; 708 break; 709 case 2: 710 dev->usb_desc = usb2; 711 break; 712 default: 713 dev->usb_desc = NULL; 714 } 715 if (!dev->usb_desc) { 716 error_setg(errp, "Invalid usb version %d for usb hid device", 717 us->usb_version); 718 return; 719 } 720 721 if (dev->serial) { 722 usb_desc_set_string(dev, STR_SERIALNUMBER, dev->serial); 723 } 724 usb_desc_init(dev); 725 us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); 726 hid_init(&us->hid, kind, usb_hid_changed); 727 if (us->display && us->hid.s) { 728 qemu_input_handler_bind(us->hid.s, us->display, us->head, NULL); 729 } 730 } 731 732 static void usb_tablet_realize(USBDevice *dev, Error **errp) 733 { 734 735 usb_hid_initfn(dev, HID_TABLET, &desc_tablet, &desc_tablet2, errp); 736 } 737 738 static void usb_mouse_realize(USBDevice *dev, Error **errp) 739 { 740 usb_hid_initfn(dev, HID_MOUSE, &desc_mouse, &desc_mouse2, errp); 741 } 742 743 static void usb_keyboard_realize(USBDevice *dev, Error **errp) 744 { 745 usb_hid_initfn(dev, HID_KEYBOARD, &desc_keyboard, &desc_keyboard2, errp); 746 } 747 748 static int usb_ptr_post_load(void *opaque, int version_id) 749 { 750 USBHIDState *s = opaque; 751 752 if (s->dev.remote_wakeup) { 753 hid_pointer_activate(&s->hid); 754 } 755 return 0; 756 } 757 758 static const VMStateDescription vmstate_usb_ptr = { 759 .name = "usb-ptr", 760 .version_id = 1, 761 .minimum_version_id = 1, 762 .post_load = usb_ptr_post_load, 763 .fields = (VMStateField[]) { 764 VMSTATE_USB_DEVICE(dev, USBHIDState), 765 VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState), 766 VMSTATE_END_OF_LIST() 767 } 768 }; 769 770 static const VMStateDescription vmstate_usb_kbd = { 771 .name = "usb-kbd", 772 .version_id = 1, 773 .minimum_version_id = 1, 774 .fields = (VMStateField[]) { 775 VMSTATE_USB_DEVICE(dev, USBHIDState), 776 VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState), 777 VMSTATE_END_OF_LIST() 778 } 779 }; 780 781 static void usb_hid_class_initfn(ObjectClass *klass, void *data) 782 { 783 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 784 785 uc->handle_reset = usb_hid_handle_reset; 786 uc->handle_control = usb_hid_handle_control; 787 uc->handle_data = usb_hid_handle_data; 788 uc->handle_destroy = usb_hid_handle_destroy; 789 uc->handle_attach = usb_desc_attach; 790 } 791 792 static const TypeInfo usb_hid_type_info = { 793 .name = TYPE_USB_HID, 794 .parent = TYPE_USB_DEVICE, 795 .instance_size = sizeof(USBHIDState), 796 .abstract = true, 797 .class_init = usb_hid_class_initfn, 798 }; 799 800 static Property usb_tablet_properties[] = { 801 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 802 DEFINE_PROP_STRING("display", USBHIDState, display), 803 DEFINE_PROP_UINT32("head", USBHIDState, head, 0), 804 DEFINE_PROP_END_OF_LIST(), 805 }; 806 807 static void usb_tablet_class_initfn(ObjectClass *klass, void *data) 808 { 809 DeviceClass *dc = DEVICE_CLASS(klass); 810 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 811 812 uc->realize = usb_tablet_realize; 813 uc->product_desc = "QEMU USB Tablet"; 814 dc->vmsd = &vmstate_usb_ptr; 815 dc->props = usb_tablet_properties; 816 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 817 } 818 819 static const TypeInfo usb_tablet_info = { 820 .name = "usb-tablet", 821 .parent = TYPE_USB_HID, 822 .class_init = usb_tablet_class_initfn, 823 }; 824 825 static Property usb_mouse_properties[] = { 826 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 827 DEFINE_PROP_END_OF_LIST(), 828 }; 829 830 static void usb_mouse_class_initfn(ObjectClass *klass, void *data) 831 { 832 DeviceClass *dc = DEVICE_CLASS(klass); 833 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 834 835 uc->realize = usb_mouse_realize; 836 uc->product_desc = "QEMU USB Mouse"; 837 dc->vmsd = &vmstate_usb_ptr; 838 dc->props = usb_mouse_properties; 839 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 840 } 841 842 static const TypeInfo usb_mouse_info = { 843 .name = "usb-mouse", 844 .parent = TYPE_USB_HID, 845 .class_init = usb_mouse_class_initfn, 846 }; 847 848 static Property usb_keyboard_properties[] = { 849 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 850 DEFINE_PROP_STRING("display", USBHIDState, display), 851 DEFINE_PROP_END_OF_LIST(), 852 }; 853 854 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data) 855 { 856 DeviceClass *dc = DEVICE_CLASS(klass); 857 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 858 859 uc->realize = usb_keyboard_realize; 860 uc->product_desc = "QEMU USB Keyboard"; 861 dc->vmsd = &vmstate_usb_kbd; 862 dc->props = usb_keyboard_properties; 863 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 864 } 865 866 static const TypeInfo usb_keyboard_info = { 867 .name = "usb-kbd", 868 .parent = TYPE_USB_HID, 869 .class_init = usb_keyboard_class_initfn, 870 }; 871 872 static void usb_hid_register_types(void) 873 { 874 type_register_static(&usb_hid_type_info); 875 type_register_static(&usb_tablet_info); 876 usb_legacy_register("usb-tablet", "tablet", NULL); 877 type_register_static(&usb_mouse_info); 878 usb_legacy_register("usb-mouse", "mouse", NULL); 879 type_register_static(&usb_keyboard_info); 880 usb_legacy_register("usb-kbd", "keyboard", NULL); 881 } 882 883 type_init(usb_hid_register_types) 884