1 /* 2 * This work is licensed under the terms of the GNU GPL, version 2 or 3 * (at your option) any later version. See the COPYING file in the 4 * top-level directory. 5 */ 6 7 #include "qemu/osdep.h" 8 #include "qemu/iov.h" 9 #include "qemu/module.h" 10 11 #include "hw/virtio/virtio.h" 12 #include "hw/qdev-properties.h" 13 #include "hw/virtio/virtio-input.h" 14 15 #include "ui/console.h" 16 17 #include "standard-headers/linux/input.h" 18 19 #define VIRTIO_ID_NAME_KEYBOARD "QEMU Virtio Keyboard" 20 #define VIRTIO_ID_NAME_MOUSE "QEMU Virtio Mouse" 21 #define VIRTIO_ID_NAME_TABLET "QEMU Virtio Tablet" 22 #define VIRTIO_ID_NAME_MULTITOUCH "QEMU Virtio MultiTouch" 23 24 /* ----------------------------------------------------------------- */ 25 26 static const unsigned short keymap_button[INPUT_BUTTON__MAX] = { 27 [INPUT_BUTTON_LEFT] = BTN_LEFT, 28 [INPUT_BUTTON_RIGHT] = BTN_RIGHT, 29 [INPUT_BUTTON_MIDDLE] = BTN_MIDDLE, 30 [INPUT_BUTTON_WHEEL_UP] = BTN_GEAR_UP, 31 [INPUT_BUTTON_WHEEL_DOWN] = BTN_GEAR_DOWN, 32 [INPUT_BUTTON_SIDE] = BTN_SIDE, 33 [INPUT_BUTTON_EXTRA] = BTN_EXTRA, 34 [INPUT_BUTTON_TOUCH] = BTN_TOUCH, 35 }; 36 37 static const unsigned short axismap_rel[INPUT_AXIS__MAX] = { 38 [INPUT_AXIS_X] = REL_X, 39 [INPUT_AXIS_Y] = REL_Y, 40 }; 41 42 static const unsigned short axismap_abs[INPUT_AXIS__MAX] = { 43 [INPUT_AXIS_X] = ABS_X, 44 [INPUT_AXIS_Y] = ABS_Y, 45 }; 46 47 static const unsigned short axismap_tch[INPUT_AXIS__MAX] = { 48 [INPUT_AXIS_X] = ABS_MT_POSITION_X, 49 [INPUT_AXIS_Y] = ABS_MT_POSITION_Y, 50 }; 51 52 /* ----------------------------------------------------------------- */ 53 54 static void virtio_input_extend_config(VirtIOInput *vinput, 55 const unsigned short *map, 56 size_t mapsize, 57 uint8_t select, uint8_t subsel) 58 { 59 virtio_input_config ext; 60 int i, bit, byte, bmax = 0; 61 62 memset(&ext, 0, sizeof(ext)); 63 for (i = 0; i < mapsize; i++) { 64 bit = map[i]; 65 if (!bit) { 66 continue; 67 } 68 byte = bit / 8; 69 bit = bit % 8; 70 ext.u.bitmap[byte] |= (1 << bit); 71 if (bmax < byte+1) { 72 bmax = byte+1; 73 } 74 } 75 ext.select = select; 76 ext.subsel = subsel; 77 ext.size = bmax; 78 virtio_input_add_config(vinput, &ext); 79 } 80 81 static void virtio_input_handle_event(DeviceState *dev, QemuConsole *src, 82 InputEvent *evt) 83 { 84 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); 85 VirtIOInput *vinput = VIRTIO_INPUT(dev); 86 virtio_input_event event; 87 int qcode; 88 InputKeyEvent *key; 89 InputMoveEvent *move; 90 InputBtnEvent *btn; 91 InputMultiTouchEvent *mtt; 92 93 switch (evt->type) { 94 case INPUT_EVENT_KIND_KEY: 95 key = evt->u.key.data; 96 qcode = qemu_input_key_value_to_qcode(key->key); 97 if (qcode < qemu_input_map_qcode_to_linux_len && 98 qemu_input_map_qcode_to_linux[qcode]) { 99 event.type = cpu_to_le16(EV_KEY); 100 event.code = cpu_to_le16(qemu_input_map_qcode_to_linux[qcode]); 101 event.value = cpu_to_le32(key->down ? 1 : 0); 102 virtio_input_send(vinput, &event); 103 } else { 104 if (key->down) { 105 fprintf(stderr, "%s: unmapped key: %d [%s]\n", __func__, 106 qcode, QKeyCode_str(qcode)); 107 } 108 } 109 break; 110 case INPUT_EVENT_KIND_BTN: 111 btn = evt->u.btn.data; 112 if (vhid->wheel_axis && 113 (btn->button == INPUT_BUTTON_WHEEL_UP || 114 btn->button == INPUT_BUTTON_WHEEL_DOWN) && 115 btn->down) { 116 event.type = cpu_to_le16(EV_REL); 117 event.code = cpu_to_le16(REL_WHEEL); 118 event.value = cpu_to_le32(btn->button == INPUT_BUTTON_WHEEL_UP 119 ? 1 : -1); 120 virtio_input_send(vinput, &event); 121 } else if (keymap_button[btn->button]) { 122 event.type = cpu_to_le16(EV_KEY); 123 event.code = cpu_to_le16(keymap_button[btn->button]); 124 event.value = cpu_to_le32(btn->down ? 1 : 0); 125 virtio_input_send(vinput, &event); 126 } else { 127 if (btn->down) { 128 fprintf(stderr, "%s: unmapped button: %d [%s]\n", __func__, 129 btn->button, 130 InputButton_str(btn->button)); 131 } 132 } 133 break; 134 case INPUT_EVENT_KIND_REL: 135 move = evt->u.rel.data; 136 event.type = cpu_to_le16(EV_REL); 137 event.code = cpu_to_le16(axismap_rel[move->axis]); 138 event.value = cpu_to_le32(move->value); 139 virtio_input_send(vinput, &event); 140 break; 141 case INPUT_EVENT_KIND_ABS: 142 move = evt->u.abs.data; 143 event.type = cpu_to_le16(EV_ABS); 144 event.code = cpu_to_le16(axismap_abs[move->axis]); 145 event.value = cpu_to_le32(move->value); 146 virtio_input_send(vinput, &event); 147 break; 148 case INPUT_EVENT_KIND_MTT: 149 mtt = evt->u.mtt.data; 150 if (mtt->type == INPUT_MULTI_TOUCH_TYPE_DATA) { 151 event.type = cpu_to_le16(EV_ABS); 152 event.code = cpu_to_le16(axismap_tch[mtt->axis]); 153 event.value = cpu_to_le32(mtt->value); 154 virtio_input_send(vinput, &event); 155 } else { 156 event.type = cpu_to_le16(EV_ABS); 157 event.code = cpu_to_le16(ABS_MT_SLOT); 158 event.value = cpu_to_le32(mtt->slot); 159 virtio_input_send(vinput, &event); 160 event.type = cpu_to_le16(EV_ABS); 161 event.code = cpu_to_le16(ABS_MT_TRACKING_ID); 162 event.value = cpu_to_le32(mtt->tracking_id); 163 virtio_input_send(vinput, &event); 164 } 165 break; 166 default: 167 /* keep gcc happy */ 168 break; 169 } 170 } 171 172 static void virtio_input_handle_sync(DeviceState *dev) 173 { 174 VirtIOInput *vinput = VIRTIO_INPUT(dev); 175 virtio_input_event event = { 176 .type = cpu_to_le16(EV_SYN), 177 .code = cpu_to_le16(SYN_REPORT), 178 .value = 0, 179 }; 180 181 virtio_input_send(vinput, &event); 182 } 183 184 static void virtio_input_hid_realize(DeviceState *dev, Error **errp) 185 { 186 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); 187 188 vhid->hs = qemu_input_handler_register(dev, vhid->handler); 189 if (vhid->display && vhid->hs) { 190 qemu_input_handler_bind(vhid->hs, vhid->display, vhid->head, NULL); 191 } 192 } 193 194 static void virtio_input_hid_unrealize(DeviceState *dev) 195 { 196 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); 197 qemu_input_handler_unregister(vhid->hs); 198 } 199 200 static void virtio_input_hid_change_active(VirtIOInput *vinput) 201 { 202 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput); 203 204 if (vinput->active) { 205 qemu_input_handler_activate(vhid->hs); 206 } else { 207 qemu_input_handler_deactivate(vhid->hs); 208 } 209 } 210 211 static void virtio_input_hid_handle_status(VirtIOInput *vinput, 212 virtio_input_event *event) 213 { 214 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput); 215 int ledbit = 0; 216 217 switch (le16_to_cpu(event->type)) { 218 case EV_LED: 219 if (event->code == LED_NUML) { 220 ledbit = QEMU_NUM_LOCK_LED; 221 } else if (event->code == LED_CAPSL) { 222 ledbit = QEMU_CAPS_LOCK_LED; 223 } else if (event->code == LED_SCROLLL) { 224 ledbit = QEMU_SCROLL_LOCK_LED; 225 } 226 if (event->value) { 227 vhid->ledstate |= ledbit; 228 } else { 229 vhid->ledstate &= ~ledbit; 230 } 231 kbd_put_ledstate(vhid->ledstate); 232 break; 233 default: 234 fprintf(stderr, "%s: unknown type %d\n", __func__, 235 le16_to_cpu(event->type)); 236 break; 237 } 238 } 239 240 static const Property virtio_input_hid_properties[] = { 241 DEFINE_PROP_STRING("display", VirtIOInputHID, display), 242 DEFINE_PROP_UINT32("head", VirtIOInputHID, head, 0), 243 }; 244 245 static void virtio_input_hid_class_init(ObjectClass *klass, void *data) 246 { 247 DeviceClass *dc = DEVICE_CLASS(klass); 248 VirtIOInputClass *vic = VIRTIO_INPUT_CLASS(klass); 249 250 device_class_set_props(dc, virtio_input_hid_properties); 251 vic->realize = virtio_input_hid_realize; 252 vic->unrealize = virtio_input_hid_unrealize; 253 vic->change_active = virtio_input_hid_change_active; 254 vic->handle_status = virtio_input_hid_handle_status; 255 } 256 257 static const TypeInfo virtio_input_hid_info = { 258 .name = TYPE_VIRTIO_INPUT_HID, 259 .parent = TYPE_VIRTIO_INPUT, 260 .instance_size = sizeof(VirtIOInputHID), 261 .class_init = virtio_input_hid_class_init, 262 .abstract = true, 263 }; 264 265 /* ----------------------------------------------------------------- */ 266 267 static const QemuInputHandler virtio_keyboard_handler = { 268 .name = VIRTIO_ID_NAME_KEYBOARD, 269 .mask = INPUT_EVENT_MASK_KEY, 270 .event = virtio_input_handle_event, 271 .sync = virtio_input_handle_sync, 272 }; 273 274 static struct virtio_input_config virtio_keyboard_config[] = { 275 { 276 .select = VIRTIO_INPUT_CFG_ID_NAME, 277 .size = sizeof(VIRTIO_ID_NAME_KEYBOARD), 278 .u.string = VIRTIO_ID_NAME_KEYBOARD, 279 },{ 280 .select = VIRTIO_INPUT_CFG_ID_DEVIDS, 281 .size = sizeof(struct virtio_input_devids), 282 .u.ids = { 283 .bustype = const_le16(BUS_VIRTUAL), 284 .vendor = const_le16(0x0627), /* same we use for usb hid devices */ 285 .product = const_le16(0x0001), 286 .version = const_le16(0x0001), 287 }, 288 },{ 289 .select = VIRTIO_INPUT_CFG_EV_BITS, 290 .subsel = EV_REP, 291 .size = 1, 292 },{ 293 .select = VIRTIO_INPUT_CFG_EV_BITS, 294 .subsel = EV_LED, 295 .size = 1, 296 .u.bitmap = { 297 (1 << LED_NUML) | (1 << LED_CAPSL) | (1 << LED_SCROLLL), 298 }, 299 }, 300 { /* end of list */ }, 301 }; 302 303 static void virtio_keyboard_init(Object *obj) 304 { 305 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); 306 VirtIOInput *vinput = VIRTIO_INPUT(obj); 307 308 vhid->handler = &virtio_keyboard_handler; 309 virtio_input_init_config(vinput, virtio_keyboard_config); 310 virtio_input_extend_config(vinput, qemu_input_map_qcode_to_linux, 311 qemu_input_map_qcode_to_linux_len, 312 VIRTIO_INPUT_CFG_EV_BITS, EV_KEY); 313 } 314 315 static const TypeInfo virtio_keyboard_info = { 316 .name = TYPE_VIRTIO_KEYBOARD, 317 .parent = TYPE_VIRTIO_INPUT_HID, 318 .instance_size = sizeof(VirtIOInputHID), 319 .instance_init = virtio_keyboard_init, 320 }; 321 322 /* ----------------------------------------------------------------- */ 323 324 static const QemuInputHandler virtio_mouse_handler = { 325 .name = VIRTIO_ID_NAME_MOUSE, 326 .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL, 327 .event = virtio_input_handle_event, 328 .sync = virtio_input_handle_sync, 329 }; 330 331 static struct virtio_input_config virtio_mouse_config_v1[] = { 332 { 333 .select = VIRTIO_INPUT_CFG_ID_NAME, 334 .size = sizeof(VIRTIO_ID_NAME_MOUSE), 335 .u.string = VIRTIO_ID_NAME_MOUSE, 336 },{ 337 .select = VIRTIO_INPUT_CFG_ID_DEVIDS, 338 .size = sizeof(struct virtio_input_devids), 339 .u.ids = { 340 .bustype = const_le16(BUS_VIRTUAL), 341 .vendor = const_le16(0x0627), /* same we use for usb hid devices */ 342 .product = const_le16(0x0002), 343 .version = const_le16(0x0001), 344 }, 345 },{ 346 .select = VIRTIO_INPUT_CFG_EV_BITS, 347 .subsel = EV_REL, 348 .size = 1, 349 .u.bitmap = { 350 (1 << REL_X) | (1 << REL_Y), 351 }, 352 }, 353 { /* end of list */ }, 354 }; 355 356 static struct virtio_input_config virtio_mouse_config_v2[] = { 357 { 358 .select = VIRTIO_INPUT_CFG_ID_NAME, 359 .size = sizeof(VIRTIO_ID_NAME_MOUSE), 360 .u.string = VIRTIO_ID_NAME_MOUSE, 361 },{ 362 .select = VIRTIO_INPUT_CFG_ID_DEVIDS, 363 .size = sizeof(struct virtio_input_devids), 364 .u.ids = { 365 .bustype = const_le16(BUS_VIRTUAL), 366 .vendor = const_le16(0x0627), /* same we use for usb hid devices */ 367 .product = const_le16(0x0002), 368 .version = const_le16(0x0002), 369 }, 370 },{ 371 .select = VIRTIO_INPUT_CFG_EV_BITS, 372 .subsel = EV_REL, 373 .size = 2, 374 .u.bitmap = { 375 (1 << REL_X) | (1 << REL_Y), 376 (1 << (REL_WHEEL - 8)) 377 }, 378 }, 379 { /* end of list */ }, 380 }; 381 382 static const Property virtio_mouse_properties[] = { 383 DEFINE_PROP_BOOL("wheel-axis", VirtIOInputHID, wheel_axis, true), 384 }; 385 386 static void virtio_mouse_class_init(ObjectClass *klass, void *data) 387 { 388 DeviceClass *dc = DEVICE_CLASS(klass); 389 390 device_class_set_props(dc, virtio_mouse_properties); 391 } 392 393 static void virtio_mouse_init(Object *obj) 394 { 395 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); 396 VirtIOInput *vinput = VIRTIO_INPUT(obj); 397 398 vhid->handler = &virtio_mouse_handler; 399 virtio_input_init_config(vinput, vhid->wheel_axis 400 ? virtio_mouse_config_v2 401 : virtio_mouse_config_v1); 402 virtio_input_extend_config(vinput, keymap_button, 403 ARRAY_SIZE(keymap_button), 404 VIRTIO_INPUT_CFG_EV_BITS, EV_KEY); 405 } 406 407 static const TypeInfo virtio_mouse_info = { 408 .name = TYPE_VIRTIO_MOUSE, 409 .parent = TYPE_VIRTIO_INPUT_HID, 410 .instance_size = sizeof(VirtIOInputHID), 411 .instance_init = virtio_mouse_init, 412 .class_init = virtio_mouse_class_init, 413 }; 414 415 /* ----------------------------------------------------------------- */ 416 417 static const QemuInputHandler virtio_tablet_handler = { 418 .name = VIRTIO_ID_NAME_TABLET, 419 .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_ABS, 420 .event = virtio_input_handle_event, 421 .sync = virtio_input_handle_sync, 422 }; 423 424 static struct virtio_input_config virtio_tablet_config_v1[] = { 425 { 426 .select = VIRTIO_INPUT_CFG_ID_NAME, 427 .size = sizeof(VIRTIO_ID_NAME_TABLET), 428 .u.string = VIRTIO_ID_NAME_TABLET, 429 },{ 430 .select = VIRTIO_INPUT_CFG_ID_DEVIDS, 431 .size = sizeof(struct virtio_input_devids), 432 .u.ids = { 433 .bustype = const_le16(BUS_VIRTUAL), 434 .vendor = const_le16(0x0627), /* same we use for usb hid devices */ 435 .product = const_le16(0x0003), 436 .version = const_le16(0x0001), 437 }, 438 },{ 439 .select = VIRTIO_INPUT_CFG_EV_BITS, 440 .subsel = EV_ABS, 441 .size = 1, 442 .u.bitmap = { 443 (1 << ABS_X) | (1 << ABS_Y), 444 }, 445 },{ 446 .select = VIRTIO_INPUT_CFG_ABS_INFO, 447 .subsel = ABS_X, 448 .size = sizeof(virtio_input_absinfo), 449 .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), 450 .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), 451 },{ 452 .select = VIRTIO_INPUT_CFG_ABS_INFO, 453 .subsel = ABS_Y, 454 .size = sizeof(virtio_input_absinfo), 455 .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), 456 .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), 457 }, 458 { /* end of list */ }, 459 }; 460 461 static struct virtio_input_config virtio_tablet_config_v2[] = { 462 { 463 .select = VIRTIO_INPUT_CFG_ID_NAME, 464 .size = sizeof(VIRTIO_ID_NAME_TABLET), 465 .u.string = VIRTIO_ID_NAME_TABLET, 466 },{ 467 .select = VIRTIO_INPUT_CFG_ID_DEVIDS, 468 .size = sizeof(struct virtio_input_devids), 469 .u.ids = { 470 .bustype = const_le16(BUS_VIRTUAL), 471 .vendor = const_le16(0x0627), /* same we use for usb hid devices */ 472 .product = const_le16(0x0003), 473 .version = const_le16(0x0002), 474 }, 475 },{ 476 .select = VIRTIO_INPUT_CFG_EV_BITS, 477 .subsel = EV_ABS, 478 .size = 1, 479 .u.bitmap = { 480 (1 << ABS_X) | (1 << ABS_Y), 481 }, 482 },{ 483 .select = VIRTIO_INPUT_CFG_EV_BITS, 484 .subsel = EV_REL, 485 .size = 2, 486 .u.bitmap = { 487 0, 488 (1 << (REL_WHEEL - 8)) 489 }, 490 },{ 491 .select = VIRTIO_INPUT_CFG_ABS_INFO, 492 .subsel = ABS_X, 493 .size = sizeof(virtio_input_absinfo), 494 .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), 495 .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), 496 },{ 497 .select = VIRTIO_INPUT_CFG_ABS_INFO, 498 .subsel = ABS_Y, 499 .size = sizeof(virtio_input_absinfo), 500 .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), 501 .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), 502 }, 503 { /* end of list */ }, 504 }; 505 506 static const Property virtio_tablet_properties[] = { 507 DEFINE_PROP_BOOL("wheel-axis", VirtIOInputHID, wheel_axis, true), 508 }; 509 510 static void virtio_tablet_class_init(ObjectClass *klass, void *data) 511 { 512 DeviceClass *dc = DEVICE_CLASS(klass); 513 514 device_class_set_props(dc, virtio_tablet_properties); 515 } 516 517 static void virtio_tablet_init(Object *obj) 518 { 519 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); 520 VirtIOInput *vinput = VIRTIO_INPUT(obj); 521 522 vhid->handler = &virtio_tablet_handler; 523 virtio_input_init_config(vinput, vhid->wheel_axis 524 ? virtio_tablet_config_v2 525 : virtio_tablet_config_v1); 526 virtio_input_extend_config(vinput, keymap_button, 527 ARRAY_SIZE(keymap_button), 528 VIRTIO_INPUT_CFG_EV_BITS, EV_KEY); 529 } 530 531 static const TypeInfo virtio_tablet_info = { 532 .name = TYPE_VIRTIO_TABLET, 533 .parent = TYPE_VIRTIO_INPUT_HID, 534 .instance_size = sizeof(VirtIOInputHID), 535 .instance_init = virtio_tablet_init, 536 .class_init = virtio_tablet_class_init, 537 }; 538 539 /* ----------------------------------------------------------------- */ 540 541 static const QemuInputHandler virtio_multitouch_handler = { 542 .name = VIRTIO_ID_NAME_MULTITOUCH, 543 .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_MTT, 544 .event = virtio_input_handle_event, 545 .sync = virtio_input_handle_sync, 546 }; 547 548 static struct virtio_input_config virtio_multitouch_config[] = { 549 { 550 .select = VIRTIO_INPUT_CFG_ID_NAME, 551 .size = sizeof(VIRTIO_ID_NAME_MULTITOUCH), 552 .u.string = VIRTIO_ID_NAME_MULTITOUCH, 553 },{ 554 .select = VIRTIO_INPUT_CFG_ID_DEVIDS, 555 .size = sizeof(struct virtio_input_devids), 556 .u.ids = { 557 .bustype = const_le16(BUS_VIRTUAL), 558 .vendor = const_le16(0x0627), /* same we use for usb hid devices */ 559 .product = const_le16(0x0003), 560 .version = const_le16(0x0001), 561 }, 562 },{ 563 .select = VIRTIO_INPUT_CFG_ABS_INFO, 564 .subsel = ABS_MT_SLOT, 565 .size = sizeof(virtio_input_absinfo), 566 .u.abs.min = const_le32(INPUT_EVENT_SLOTS_MIN), 567 .u.abs.max = const_le32(INPUT_EVENT_SLOTS_MAX), 568 },{ 569 .select = VIRTIO_INPUT_CFG_ABS_INFO, 570 .subsel = ABS_MT_TRACKING_ID, 571 .size = sizeof(virtio_input_absinfo), 572 .u.abs.min = const_le32(INPUT_EVENT_SLOTS_MIN), 573 .u.abs.max = const_le32(INPUT_EVENT_SLOTS_MAX), 574 },{ 575 .select = VIRTIO_INPUT_CFG_ABS_INFO, 576 .subsel = ABS_MT_POSITION_X, 577 .size = sizeof(virtio_input_absinfo), 578 .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), 579 .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), 580 },{ 581 .select = VIRTIO_INPUT_CFG_ABS_INFO, 582 .subsel = ABS_MT_POSITION_Y, 583 .size = sizeof(virtio_input_absinfo), 584 .u.abs.min = const_le32(INPUT_EVENT_ABS_MIN), 585 .u.abs.max = const_le32(INPUT_EVENT_ABS_MAX), 586 }, 587 { /* end of list */ }, 588 }; 589 590 static void virtio_multitouch_init(Object *obj) 591 { 592 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); 593 VirtIOInput *vinput = VIRTIO_INPUT(obj); 594 unsigned short abs_props[] = { 595 INPUT_PROP_DIRECT, 596 }; 597 unsigned short abs_bits[] = { 598 ABS_MT_SLOT, 599 ABS_MT_TRACKING_ID, 600 ABS_MT_POSITION_X, 601 ABS_MT_POSITION_Y, 602 }; 603 604 vhid->handler = &virtio_multitouch_handler; 605 virtio_input_init_config(vinput, virtio_multitouch_config); 606 virtio_input_extend_config(vinput, keymap_button, 607 ARRAY_SIZE(keymap_button), 608 VIRTIO_INPUT_CFG_EV_BITS, EV_KEY); 609 virtio_input_extend_config(vinput, abs_props, 610 ARRAY_SIZE(abs_props), 611 VIRTIO_INPUT_CFG_PROP_BITS, 0); 612 virtio_input_extend_config(vinput, abs_bits, 613 ARRAY_SIZE(abs_bits), 614 VIRTIO_INPUT_CFG_EV_BITS, EV_ABS); 615 } 616 617 static const TypeInfo virtio_multitouch_info = { 618 .name = TYPE_VIRTIO_MULTITOUCH, 619 .parent = TYPE_VIRTIO_INPUT_HID, 620 .instance_size = sizeof(VirtIOInputHID), 621 .instance_init = virtio_multitouch_init, 622 }; 623 624 /* ----------------------------------------------------------------- */ 625 626 static void virtio_register_types(void) 627 { 628 type_register_static(&virtio_input_hid_info); 629 type_register_static(&virtio_keyboard_info); 630 type_register_static(&virtio_mouse_info); 631 type_register_static(&virtio_tablet_info); 632 type_register_static(&virtio_multitouch_info); 633 } 634 635 type_init(virtio_register_types) 636