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virtio: don't enable notifications during polling
[qemu/kevin.git] / hw / usb / dev-hid.c
blob88492f26e64682f73978fa0358b7cf557b1b0e89
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/qdev-properties.h"
36
37 /* HID interface requests */
38 #define GET_REPORT 0xa101
39 #define GET_IDLE 0xa102
40 #define GET_PROTOCOL 0xa103
41 #define SET_REPORT 0x2109
42 #define SET_IDLE 0x210a
43 #define SET_PROTOCOL 0x210b
44
45 /* HID descriptor types */
46 #define USB_DT_HID 0x21
47 #define USB_DT_REPORT 0x22
48 #define USB_DT_PHY 0x23
49
50 typedef struct USBHIDState {
51 USBDevice dev;
52 USBEndpoint *intr;
53 HIDState hid;
54 uint32_t usb_version;
55 char *display;
56 uint32_t head;
57 } USBHIDState;
58
59 #define TYPE_USB_HID "usb-hid"
60 #define USB_HID(obj) OBJECT_CHECK(USBHIDState, (obj), TYPE_USB_HID)
61
62 enum {
63 STR_MANUFACTURER = 1,
64 STR_PRODUCT_MOUSE,
65 STR_PRODUCT_TABLET,
66 STR_PRODUCT_KEYBOARD,
67 STR_SERIAL_COMPAT,
68 STR_CONFIG_MOUSE,
69 STR_CONFIG_TABLET,
70 STR_CONFIG_KEYBOARD,
71 STR_SERIAL_MOUSE,
72 STR_SERIAL_TABLET,
73 STR_SERIAL_KEYBOARD,
74 };
75
76 static const USBDescStrings desc_strings = {
77 [STR_MANUFACTURER] = "QEMU",
78 [STR_PRODUCT_MOUSE] = "QEMU USB Mouse",
79 [STR_PRODUCT_TABLET] = "QEMU USB Tablet",
80 [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
81 [STR_SERIAL_COMPAT] = "42",
82 [STR_CONFIG_MOUSE] = "HID Mouse",
83 [STR_CONFIG_TABLET] = "HID Tablet",
84 [STR_CONFIG_KEYBOARD] = "HID Keyboard",
85 [STR_SERIAL_MOUSE] = "89126",
86 [STR_SERIAL_TABLET] = "28754",
87 [STR_SERIAL_KEYBOARD] = "68284",
88 };
89
90 static const USBDescIface desc_iface_mouse = {
91 .bInterfaceNumber = 0,
92 .bNumEndpoints = 1,
93 .bInterfaceClass = USB_CLASS_HID,
94 .bInterfaceSubClass = 0x01, /* boot */
95 .bInterfaceProtocol = 0x02,
96 .ndesc = 1,
97 .descs = (USBDescOther[]) {
98 {
99 /* HID descriptor */
100 .data = (uint8_t[]) {
101 0x09, /* u8 bLength */
102 USB_DT_HID, /* u8 bDescriptorType */
103 0x01, 0x00, /* u16 HID_class */
104 0x00, /* u8 country_code */
105 0x01, /* u8 num_descriptors */
106 USB_DT_REPORT, /* u8 type: Report */
107 52, 0, /* u16 len */
108 },
109 },
110 },
111 .eps = (USBDescEndpoint[]) {
112 {
113 .bEndpointAddress = USB_DIR_IN | 0x01,
114 .bmAttributes = USB_ENDPOINT_XFER_INT,
115 .wMaxPacketSize = 4,
116 .bInterval = 0x0a,
117 },
118 },
119 };
120
121 static const USBDescIface desc_iface_mouse2 = {
122 .bInterfaceNumber = 0,
123 .bNumEndpoints = 1,
124 .bInterfaceClass = USB_CLASS_HID,
125 .bInterfaceSubClass = 0x01, /* boot */
126 .bInterfaceProtocol = 0x02,
127 .ndesc = 1,
128 .descs = (USBDescOther[]) {
129 {
130 /* HID descriptor */
131 .data = (uint8_t[]) {
132 0x09, /* u8 bLength */
133 USB_DT_HID, /* u8 bDescriptorType */
134 0x01, 0x00, /* u16 HID_class */
135 0x00, /* u8 country_code */
136 0x01, /* u8 num_descriptors */
137 USB_DT_REPORT, /* u8 type: Report */
138 52, 0, /* u16 len */
139 },
140 },
141 },
142 .eps = (USBDescEndpoint[]) {
143 {
144 .bEndpointAddress = USB_DIR_IN | 0x01,
145 .bmAttributes = USB_ENDPOINT_XFER_INT,
146 .wMaxPacketSize = 4,
147 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */
148 },
149 },
150 };
151
152 static const USBDescIface desc_iface_tablet = {
153 .bInterfaceNumber = 0,
154 .bNumEndpoints = 1,
155 .bInterfaceClass = USB_CLASS_HID,
156 .bInterfaceProtocol = 0x00,
157 .ndesc = 1,
158 .descs = (USBDescOther[]) {
159 {
160 /* HID descriptor */
161 .data = (uint8_t[]) {
162 0x09, /* u8 bLength */
163 USB_DT_HID, /* u8 bDescriptorType */
164 0x01, 0x00, /* u16 HID_class */
165 0x00, /* u8 country_code */
166 0x01, /* u8 num_descriptors */
167 USB_DT_REPORT, /* u8 type: Report */
168 74, 0, /* u16 len */
169 },
170 },
171 },
172 .eps = (USBDescEndpoint[]) {
173 {
174 .bEndpointAddress = USB_DIR_IN | 0x01,
175 .bmAttributes = USB_ENDPOINT_XFER_INT,
176 .wMaxPacketSize = 8,
177 .bInterval = 0x0a,
178 },
179 },
180 };
181
182 static const USBDescIface desc_iface_tablet2 = {
183 .bInterfaceNumber = 0,
184 .bNumEndpoints = 1,
185 .bInterfaceClass = USB_CLASS_HID,
186 .bInterfaceProtocol = 0x00,
187 .ndesc = 1,
188 .descs = (USBDescOther[]) {
189 {
190 /* HID descriptor */
191 .data = (uint8_t[]) {
192 0x09, /* u8 bLength */
193 USB_DT_HID, /* u8 bDescriptorType */
194 0x01, 0x00, /* u16 HID_class */
195 0x00, /* u8 country_code */
196 0x01, /* u8 num_descriptors */
197 USB_DT_REPORT, /* u8 type: Report */
198 74, 0, /* u16 len */
199 },
200 },
201 },
202 .eps = (USBDescEndpoint[]) {
203 {
204 .bEndpointAddress = USB_DIR_IN | 0x01,
205 .bmAttributes = USB_ENDPOINT_XFER_INT,
206 .wMaxPacketSize = 8,
207 .bInterval = 4, /* 2 ^ (4-1) * 125 usecs = 1 ms */
208 },
209 },
210 };
211
212 static const USBDescIface desc_iface_keyboard = {
213 .bInterfaceNumber = 0,
214 .bNumEndpoints = 1,
215 .bInterfaceClass = USB_CLASS_HID,
216 .bInterfaceSubClass = 0x01, /* boot */
217 .bInterfaceProtocol = 0x01, /* keyboard */
218 .ndesc = 1,
219 .descs = (USBDescOther[]) {
220 {
221 /* HID descriptor */
222 .data = (uint8_t[]) {
223 0x09, /* u8 bLength */
224 USB_DT_HID, /* u8 bDescriptorType */
225 0x11, 0x01, /* u16 HID_class */
226 0x00, /* u8 country_code */
227 0x01, /* u8 num_descriptors */
228 USB_DT_REPORT, /* u8 type: Report */
229 0x3f, 0, /* u16 len */
230 },
231 },
232 },
233 .eps = (USBDescEndpoint[]) {
234 {
235 .bEndpointAddress = USB_DIR_IN | 0x01,
236 .bmAttributes = USB_ENDPOINT_XFER_INT,
237 .wMaxPacketSize = 8,
238 .bInterval = 0x0a,
239 },
240 },
241 };
242
243 static const USBDescIface desc_iface_keyboard2 = {
244 .bInterfaceNumber = 0,
245 .bNumEndpoints = 1,
246 .bInterfaceClass = USB_CLASS_HID,
247 .bInterfaceSubClass = 0x01, /* boot */
248 .bInterfaceProtocol = 0x01, /* keyboard */
249 .ndesc = 1,
250 .descs = (USBDescOther[]) {
251 {
252 /* HID descriptor */
253 .data = (uint8_t[]) {
254 0x09, /* u8 bLength */
255 USB_DT_HID, /* u8 bDescriptorType */
256 0x11, 0x01, /* u16 HID_class */
257 0x00, /* u8 country_code */
258 0x01, /* u8 num_descriptors */
259 USB_DT_REPORT, /* u8 type: Report */
260 0x3f, 0, /* u16 len */
261 },
262 },
263 },
264 .eps = (USBDescEndpoint[]) {
265 {
266 .bEndpointAddress = USB_DIR_IN | 0x01,
267 .bmAttributes = USB_ENDPOINT_XFER_INT,
268 .wMaxPacketSize = 8,
269 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */
270 },
271 },
272 };
273
274 static const USBDescDevice desc_device_mouse = {
275 .bcdUSB = 0x0100,
276 .bMaxPacketSize0 = 8,
277 .bNumConfigurations = 1,
278 .confs = (USBDescConfig[]) {
279 {
280 .bNumInterfaces = 1,
281 .bConfigurationValue = 1,
282 .iConfiguration = STR_CONFIG_MOUSE,
283 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
284 .bMaxPower = 50,
285 .nif = 1,
286 .ifs = &desc_iface_mouse,
287 },
288 },
289 };
290
291 static const USBDescDevice desc_device_mouse2 = {
292 .bcdUSB = 0x0200,
293 .bMaxPacketSize0 = 64,
294 .bNumConfigurations = 1,
295 .confs = (USBDescConfig[]) {
296 {
297 .bNumInterfaces = 1,
298 .bConfigurationValue = 1,
299 .iConfiguration = STR_CONFIG_MOUSE,
300 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
301 .bMaxPower = 50,
302 .nif = 1,
303 .ifs = &desc_iface_mouse2,
304 },
305 },
306 };
307
308 static const USBDescDevice desc_device_tablet = {
309 .bcdUSB = 0x0100,
310 .bMaxPacketSize0 = 8,
311 .bNumConfigurations = 1,
312 .confs = (USBDescConfig[]) {
313 {
314 .bNumInterfaces = 1,
315 .bConfigurationValue = 1,
316 .iConfiguration = STR_CONFIG_TABLET,
317 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
318 .bMaxPower = 50,
319 .nif = 1,
320 .ifs = &desc_iface_tablet,
321 },
322 },
323 };
324
325 static const USBDescDevice desc_device_tablet2 = {
326 .bcdUSB = 0x0200,
327 .bMaxPacketSize0 = 64,
328 .bNumConfigurations = 1,
329 .confs = (USBDescConfig[]) {
330 {
331 .bNumInterfaces = 1,
332 .bConfigurationValue = 1,
333 .iConfiguration = STR_CONFIG_TABLET,
334 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
335 .bMaxPower = 50,
336 .nif = 1,
337 .ifs = &desc_iface_tablet2,
338 },
339 },
340 };
341
342 static const USBDescDevice desc_device_keyboard = {
343 .bcdUSB = 0x0100,
344 .bMaxPacketSize0 = 8,
345 .bNumConfigurations = 1,
346 .confs = (USBDescConfig[]) {
347 {
348 .bNumInterfaces = 1,
349 .bConfigurationValue = 1,
350 .iConfiguration = STR_CONFIG_KEYBOARD,
351 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
352 .bMaxPower = 50,
353 .nif = 1,
354 .ifs = &desc_iface_keyboard,
355 },
356 },
357 };
358
359 static const USBDescDevice desc_device_keyboard2 = {
360 .bcdUSB = 0x0200,
361 .bMaxPacketSize0 = 64,
362 .bNumConfigurations = 1,
363 .confs = (USBDescConfig[]) {
364 {
365 .bNumInterfaces = 1,
366 .bConfigurationValue = 1,
367 .iConfiguration = STR_CONFIG_KEYBOARD,
368 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
369 .bMaxPower = 50,
370 .nif = 1,
371 .ifs = &desc_iface_keyboard2,
372 },
373 },
374 };
375
376 static const USBDescMSOS desc_msos_suspend = {
377 .SelectiveSuspendEnabled = true,
378 };
379
380 static const USBDesc desc_mouse = {
381 .id = {
382 .idVendor = 0x0627,
383 .idProduct = 0x0001,
384 .bcdDevice = 0,
385 .iManufacturer = STR_MANUFACTURER,
386 .iProduct = STR_PRODUCT_MOUSE,
387 .iSerialNumber = STR_SERIAL_MOUSE,
388 },
389 .full = &desc_device_mouse,
390 .str = desc_strings,
391 .msos = &desc_msos_suspend,
392 };
393
394 static const USBDesc desc_mouse2 = {
395 .id = {
396 .idVendor = 0x0627,
397 .idProduct = 0x0001,
398 .bcdDevice = 0,
399 .iManufacturer = STR_MANUFACTURER,
400 .iProduct = STR_PRODUCT_MOUSE,
401 .iSerialNumber = STR_SERIAL_MOUSE,
402 },
403 .full = &desc_device_mouse,
404 .high = &desc_device_mouse2,
405 .str = desc_strings,
406 .msos = &desc_msos_suspend,
407 };
408
409 static const USBDesc desc_tablet = {
410 .id = {
411 .idVendor = 0x0627,
412 .idProduct = 0x0001,
413 .bcdDevice = 0,
414 .iManufacturer = STR_MANUFACTURER,
415 .iProduct = STR_PRODUCT_TABLET,
416 .iSerialNumber = STR_SERIAL_TABLET,
417 },
418 .full = &desc_device_tablet,
419 .str = desc_strings,
420 .msos = &desc_msos_suspend,
421 };
422
423 static const USBDesc desc_tablet2 = {
424 .id = {
425 .idVendor = 0x0627,
426 .idProduct = 0x0001,
427 .bcdDevice = 0,
428 .iManufacturer = STR_MANUFACTURER,
429 .iProduct = STR_PRODUCT_TABLET,
430 .iSerialNumber = STR_SERIAL_TABLET,
431 },
432 .full = &desc_device_tablet,
433 .high = &desc_device_tablet2,
434 .str = desc_strings,
435 .msos = &desc_msos_suspend,
436 };
437
438 static const USBDesc desc_keyboard = {
439 .id = {
440 .idVendor = 0x0627,
441 .idProduct = 0x0001,
442 .bcdDevice = 0,
443 .iManufacturer = STR_MANUFACTURER,
444 .iProduct = STR_PRODUCT_KEYBOARD,
445 .iSerialNumber = STR_SERIAL_KEYBOARD,
446 },
447 .full = &desc_device_keyboard,
448 .str = desc_strings,
449 .msos = &desc_msos_suspend,
450 };
451
452 static const USBDesc desc_keyboard2 = {
453 .id = {
454 .idVendor = 0x0627,
455 .idProduct = 0x0001,
456 .bcdDevice = 0,
457 .iManufacturer = STR_MANUFACTURER,
458 .iProduct = STR_PRODUCT_KEYBOARD,
459 .iSerialNumber = STR_SERIAL_KEYBOARD,
460 },
461 .full = &desc_device_keyboard,
462 .high = &desc_device_keyboard2,
463 .str = desc_strings,
464 .msos = &desc_msos_suspend,
465 };
466
467 static const uint8_t qemu_mouse_hid_report_descriptor[] = {
468 0x05, 0x01, /* Usage Page (Generic Desktop) */
469 0x09, 0x02, /* Usage (Mouse) */
470 0xa1, 0x01, /* Collection (Application) */
471 0x09, 0x01, /* Usage (Pointer) */
472 0xa1, 0x00, /* Collection (Physical) */
473 0x05, 0x09, /* Usage Page (Button) */
474 0x19, 0x01, /* Usage Minimum (1) */
475 0x29, 0x03, /* Usage Maximum (3) */
476 0x15, 0x00, /* Logical Minimum (0) */
477 0x25, 0x01, /* Logical Maximum (1) */
478 0x95, 0x03, /* Report Count (3) */
479 0x75, 0x01, /* Report Size (1) */
480 0x81, 0x02, /* Input (Data, Variable, Absolute) */
481 0x95, 0x01, /* Report Count (1) */
482 0x75, 0x05, /* Report Size (5) */
483 0x81, 0x01, /* Input (Constant) */
484 0x05, 0x01, /* Usage Page (Generic Desktop) */
485 0x09, 0x30, /* Usage (X) */
486 0x09, 0x31, /* Usage (Y) */
487 0x09, 0x38, /* Usage (Wheel) */
488 0x15, 0x81, /* Logical Minimum (-0x7f) */
489 0x25, 0x7f, /* Logical Maximum (0x7f) */
490 0x75, 0x08, /* Report Size (8) */
491 0x95, 0x03, /* Report Count (3) */
492 0x81, 0x06, /* Input (Data, Variable, Relative) */
493 0xc0, /* End Collection */
494 0xc0, /* End Collection */
495 };
496
497 static const uint8_t qemu_tablet_hid_report_descriptor[] = {
498 0x05, 0x01, /* Usage Page (Generic Desktop) */
499 0x09, 0x02, /* Usage (Mouse) */
500 0xa1, 0x01, /* Collection (Application) */
501 0x09, 0x01, /* Usage (Pointer) */
502 0xa1, 0x00, /* Collection (Physical) */
503 0x05, 0x09, /* Usage Page (Button) */
504 0x19, 0x01, /* Usage Minimum (1) */
505 0x29, 0x03, /* Usage Maximum (3) */
506 0x15, 0x00, /* Logical Minimum (0) */
507 0x25, 0x01, /* Logical Maximum (1) */
508 0x95, 0x03, /* Report Count (3) */
509 0x75, 0x01, /* Report Size (1) */
510 0x81, 0x02, /* Input (Data, Variable, Absolute) */
511 0x95, 0x01, /* Report Count (1) */
512 0x75, 0x05, /* Report Size (5) */
513 0x81, 0x01, /* Input (Constant) */
514 0x05, 0x01, /* Usage Page (Generic Desktop) */
515 0x09, 0x30, /* Usage (X) */
516 0x09, 0x31, /* Usage (Y) */
517 0x15, 0x00, /* Logical Minimum (0) */
518 0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */
519 0x35, 0x00, /* Physical Minimum (0) */
520 0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */
521 0x75, 0x10, /* Report Size (16) */
522 0x95, 0x02, /* Report Count (2) */
523 0x81, 0x02, /* Input (Data, Variable, Absolute) */
524 0x05, 0x01, /* Usage Page (Generic Desktop) */
525 0x09, 0x38, /* Usage (Wheel) */
526 0x15, 0x81, /* Logical Minimum (-0x7f) */
527 0x25, 0x7f, /* Logical Maximum (0x7f) */
528 0x35, 0x00, /* Physical Minimum (same as logical) */
529 0x45, 0x00, /* Physical Maximum (same as logical) */
530 0x75, 0x08, /* Report Size (8) */
531 0x95, 0x01, /* Report Count (1) */
532 0x81, 0x06, /* Input (Data, Variable, Relative) */
533 0xc0, /* End Collection */
534 0xc0, /* End Collection */
535 };
536
537 static const uint8_t qemu_keyboard_hid_report_descriptor[] = {
538 0x05, 0x01, /* Usage Page (Generic Desktop) */
539 0x09, 0x06, /* Usage (Keyboard) */
540 0xa1, 0x01, /* Collection (Application) */
541 0x75, 0x01, /* Report Size (1) */
542 0x95, 0x08, /* Report Count (8) */
543 0x05, 0x07, /* Usage Page (Key Codes) */
544 0x19, 0xe0, /* Usage Minimum (224) */
545 0x29, 0xe7, /* Usage Maximum (231) */
546 0x15, 0x00, /* Logical Minimum (0) */
547 0x25, 0x01, /* Logical Maximum (1) */
548 0x81, 0x02, /* Input (Data, Variable, Absolute) */
549 0x95, 0x01, /* Report Count (1) */
550 0x75, 0x08, /* Report Size (8) */
551 0x81, 0x01, /* Input (Constant) */
552 0x95, 0x05, /* Report Count (5) */
553 0x75, 0x01, /* Report Size (1) */
554 0x05, 0x08, /* Usage Page (LEDs) */
555 0x19, 0x01, /* Usage Minimum (1) */
556 0x29, 0x05, /* Usage Maximum (5) */
557 0x91, 0x02, /* Output (Data, Variable, Absolute) */
558 0x95, 0x01, /* Report Count (1) */
559 0x75, 0x03, /* Report Size (3) */
560 0x91, 0x01, /* Output (Constant) */
561 0x95, 0x06, /* Report Count (6) */
562 0x75, 0x08, /* Report Size (8) */
563 0x15, 0x00, /* Logical Minimum (0) */
564 0x25, 0xff, /* Logical Maximum (255) */
565 0x05, 0x07, /* Usage Page (Key Codes) */
566 0x19, 0x00, /* Usage Minimum (0) */
567 0x29, 0xff, /* Usage Maximum (255) */
568 0x81, 0x00, /* Input (Data, Array) */
569 0xc0, /* End Collection */
570 };
571
572 static void usb_hid_changed(HIDState *hs)
573 {
574 USBHIDState *us = container_of(hs, USBHIDState, hid);
575
576 usb_wakeup(us->intr, 0);
577 }
578
579 static void usb_hid_handle_reset(USBDevice *dev)
580 {
581 USBHIDState *us = USB_HID(dev);
582
583 hid_reset(&us->hid);
584 }
585
586 static void usb_hid_handle_control(USBDevice *dev, USBPacket *p,
587 int request, int value, int index, int length, uint8_t *data)
588 {
589 USBHIDState *us = USB_HID(dev);
590 HIDState *hs = &us->hid;
591 int ret;
592
593 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
594 if (ret >= 0) {
595 return;
596 }
597
598 switch (request) {
599 /* hid specific requests */
600 case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
601 switch (value >> 8) {
602 case 0x22:
603 if (hs->kind == HID_MOUSE) {
604 memcpy(data, qemu_mouse_hid_report_descriptor,
605 sizeof(qemu_mouse_hid_report_descriptor));
606 p->actual_length = sizeof(qemu_mouse_hid_report_descriptor);
607 } else if (hs->kind == HID_TABLET) {
608 memcpy(data, qemu_tablet_hid_report_descriptor,
609 sizeof(qemu_tablet_hid_report_descriptor));
610 p->actual_length = sizeof(qemu_tablet_hid_report_descriptor);
611 } else if (hs->kind == HID_KEYBOARD) {
612 memcpy(data, qemu_keyboard_hid_report_descriptor,
613 sizeof(qemu_keyboard_hid_report_descriptor));
614 p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor);
615 }
616 break;
617 default:
618 goto fail;
619 }
620 break;
621 case GET_REPORT:
622 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
623 p->actual_length = hid_pointer_poll(hs, data, length);
624 } else if (hs->kind == HID_KEYBOARD) {
625 p->actual_length = hid_keyboard_poll(hs, data, length);
626 }
627 break;
628 case SET_REPORT:
629 if (hs->kind == HID_KEYBOARD) {
630 p->actual_length = hid_keyboard_write(hs, data, length);
631 } else {
632 goto fail;
633 }
634 break;
635 case GET_PROTOCOL:
636 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
637 goto fail;
638 }
639 data[0] = hs->protocol;
640 p->actual_length = 1;
641 break;
642 case SET_PROTOCOL:
643 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
644 goto fail;
645 }
646 hs->protocol = value;
647 break;
648 case GET_IDLE:
649 data[0] = hs->idle;
650 p->actual_length = 1;
651 break;
652 case SET_IDLE:
653 hs->idle = (uint8_t) (value >> 8);
654 hid_set_next_idle(hs);
655 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
656 hid_pointer_activate(hs);
657 }
658 break;
659 default:
660 fail:
661 p->status = USB_RET_STALL;
662 break;
663 }
664 }
665
666 static void usb_hid_handle_data(USBDevice *dev, USBPacket *p)
667 {
668 USBHIDState *us = USB_HID(dev);
669 HIDState *hs = &us->hid;
670 uint8_t buf[p->iov.size];
671 int len = 0;
672
673 switch (p->pid) {
674 case USB_TOKEN_IN:
675 if (p->ep->nr == 1) {
676 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
677 hid_pointer_activate(hs);
678 }
679 if (!hid_has_events(hs)) {
680 p->status = USB_RET_NAK;
681 return;
682 }
683 hid_set_next_idle(hs);
684 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
685 len = hid_pointer_poll(hs, buf, p->iov.size);
686 } else if (hs->kind == HID_KEYBOARD) {
687 len = hid_keyboard_poll(hs, buf, p->iov.size);
688 }
689 usb_packet_copy(p, buf, len);
690 } else {
691 goto fail;
692 }
693 break;
694 case USB_TOKEN_OUT:
695 default:
696 fail:
697 p->status = USB_RET_STALL;
698 break;
699 }
700 }
701
702 static void usb_hid_unrealize(USBDevice *dev, Error **errp)
703 {
704 USBHIDState *us = USB_HID(dev);
705
706 hid_free(&us->hid);
707 }
708
709 static void usb_hid_initfn(USBDevice *dev, int kind,
710 const USBDesc *usb1, const USBDesc *usb2,
711 Error **errp)
712 {
713 USBHIDState *us = USB_HID(dev);
714 switch (us->usb_version) {
715 case 1:
716 dev->usb_desc = usb1;
717 break;
718 case 2:
719 dev->usb_desc = usb2;
720 break;
721 default:
722 dev->usb_desc = NULL;
723 }
724 if (!dev->usb_desc) {
725 error_setg(errp, "Invalid usb version %d for usb hid device",
726 us->usb_version);
727 return;
728 }
729
730 usb_desc_create_serial(dev);
731 usb_desc_init(dev);
732 us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
733 hid_init(&us->hid, kind, usb_hid_changed);
734 if (us->display && us->hid.s) {
735 qemu_input_handler_bind(us->hid.s, us->display, us->head, NULL);
736 }
737 }
738
739 static void usb_tablet_realize(USBDevice *dev, Error **errp)
740 {
741
742 usb_hid_initfn(dev, HID_TABLET, &desc_tablet, &desc_tablet2, errp);
743 }
744
745 static void usb_mouse_realize(USBDevice *dev, Error **errp)
746 {
747 usb_hid_initfn(dev, HID_MOUSE, &desc_mouse, &desc_mouse2, errp);
748 }
749
750 static void usb_keyboard_realize(USBDevice *dev, Error **errp)
751 {
752 usb_hid_initfn(dev, HID_KEYBOARD, &desc_keyboard, &desc_keyboard2, errp);
753 }
754
755 static int usb_ptr_post_load(void *opaque, int version_id)
756 {
757 USBHIDState *s = opaque;
758
759 if (s->dev.remote_wakeup) {
760 hid_pointer_activate(&s->hid);
761 }
762 return 0;
763 }
764
765 static const VMStateDescription vmstate_usb_ptr = {
766 .name = "usb-ptr",
767 .version_id = 1,
768 .minimum_version_id = 1,
769 .post_load = usb_ptr_post_load,
770 .fields = (VMStateField[]) {
771 VMSTATE_USB_DEVICE(dev, USBHIDState),
772 VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState),
773 VMSTATE_END_OF_LIST()
774 }
775 };
776
777 static const VMStateDescription vmstate_usb_kbd = {
778 .name = "usb-kbd",
779 .version_id = 1,
780 .minimum_version_id = 1,
781 .fields = (VMStateField[]) {
782 VMSTATE_USB_DEVICE(dev, USBHIDState),
783 VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState),
784 VMSTATE_END_OF_LIST()
785 }
786 };
787
788 static void usb_hid_class_initfn(ObjectClass *klass, void *data)
789 {
790 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
791
792 uc->handle_reset = usb_hid_handle_reset;
793 uc->handle_control = usb_hid_handle_control;
794 uc->handle_data = usb_hid_handle_data;
795 uc->unrealize = usb_hid_unrealize;
796 uc->handle_attach = usb_desc_attach;
797 }
798
799 static const TypeInfo usb_hid_type_info = {
800 .name = TYPE_USB_HID,
801 .parent = TYPE_USB_DEVICE,
802 .instance_size = sizeof(USBHIDState),
803 .abstract = true,
804 .class_init = usb_hid_class_initfn,
805 };
806
807 static Property usb_tablet_properties[] = {
808 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
809 DEFINE_PROP_STRING("display", USBHIDState, display),
810 DEFINE_PROP_UINT32("head", USBHIDState, head, 0),
811 DEFINE_PROP_END_OF_LIST(),
812 };
813
814 static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
815 {
816 DeviceClass *dc = DEVICE_CLASS(klass);
817 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
818
819 uc->realize = usb_tablet_realize;
820 uc->product_desc = "QEMU USB Tablet";
821 dc->vmsd = &vmstate_usb_ptr;
822 dc->props = usb_tablet_properties;
823 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
824 }
825
826 static const TypeInfo usb_tablet_info = {
827 .name = "usb-tablet",
828 .parent = TYPE_USB_HID,
829 .class_init = usb_tablet_class_initfn,
830 };
831
832 static Property usb_mouse_properties[] = {
833 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
834 DEFINE_PROP_END_OF_LIST(),
835 };
836
837 static void usb_mouse_class_initfn(ObjectClass *klass, void *data)
838 {
839 DeviceClass *dc = DEVICE_CLASS(klass);
840 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
841
842 uc->realize = usb_mouse_realize;
843 uc->product_desc = "QEMU USB Mouse";
844 dc->vmsd = &vmstate_usb_ptr;
845 dc->props = usb_mouse_properties;
846 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
847 }
848
849 static const TypeInfo usb_mouse_info = {
850 .name = "usb-mouse",
851 .parent = TYPE_USB_HID,
852 .class_init = usb_mouse_class_initfn,
853 };
854
855 static Property usb_keyboard_properties[] = {
856 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
857 DEFINE_PROP_STRING("display", USBHIDState, display),
858 DEFINE_PROP_END_OF_LIST(),
859 };
860
861 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data)
862 {
863 DeviceClass *dc = DEVICE_CLASS(klass);
864 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
865
866 uc->realize = usb_keyboard_realize;
867 uc->product_desc = "QEMU USB Keyboard";
868 dc->vmsd = &vmstate_usb_kbd;
869 dc->props = usb_keyboard_properties;
870 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
871 }
872
873 static const TypeInfo usb_keyboard_info = {
874 .name = "usb-kbd",
875 .parent = TYPE_USB_HID,
876 .class_init = usb_keyboard_class_initfn,
877 };
878
879 static void usb_hid_register_types(void)
880 {
881 type_register_static(&usb_hid_type_info);
882 type_register_static(&usb_tablet_info);
883 usb_legacy_register("usb-tablet", "tablet", NULL);
884 type_register_static(&usb_mouse_info);
885 usb_legacy_register("usb-mouse", "mouse", NULL);
886 type_register_static(&usb_keyboard_info);
887 usb_legacy_register("usb-kbd", "keyboard", NULL);
888 }
889
890 type_init(usb_hid_register_types)
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