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scripts/kvm/kvm_stat: Improve debugfs access checking
[qemu.git] / hw / usb / dev-hid.c
blob2e7dcd96cb2699a5fb511addcd078adcfe3f4a6b
1 /*
2 * QEMU USB HID devices
3 *
4 * Copyright (c) 2005 Fabrice Bellard
5 * Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25 #include "hw/hw.h"
26 #include "ui/console.h"
27 #include "hw/usb.h"
28 #include "hw/usb/desc.h"
29 #include "qemu/timer.h"
30 #include "hw/input/hid.h"
31
32 /* HID interface requests */
33 #define GET_REPORT 0xa101
34 #define GET_IDLE 0xa102
35 #define GET_PROTOCOL 0xa103
36 #define SET_REPORT 0x2109
37 #define SET_IDLE 0x210a
38 #define SET_PROTOCOL 0x210b
39
40 /* HID descriptor types */
41 #define USB_DT_HID 0x21
42 #define USB_DT_REPORT 0x22
43 #define USB_DT_PHY 0x23
44
45 typedef struct USBHIDState {
46 USBDevice dev;
47 USBEndpoint *intr;
48 HIDState hid;
49 uint32_t usb_version;
50 char *display;
51 uint32_t head;
52 } USBHIDState;
53
54 #define TYPE_USB_HID "usb-hid"
55 #define USB_HID(obj) OBJECT_CHECK(USBHIDState, (obj), TYPE_USB_HID)
56
57 enum {
58 STR_MANUFACTURER = 1,
59 STR_PRODUCT_MOUSE,
60 STR_PRODUCT_TABLET,
61 STR_PRODUCT_KEYBOARD,
62 STR_SERIALNUMBER,
63 STR_CONFIG_MOUSE,
64 STR_CONFIG_TABLET,
65 STR_CONFIG_KEYBOARD,
66 };
67
68 static const USBDescStrings desc_strings = {
69 [STR_MANUFACTURER] = "QEMU",
70 [STR_PRODUCT_MOUSE] = "QEMU USB Mouse",
71 [STR_PRODUCT_TABLET] = "QEMU USB Tablet",
72 [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
73 [STR_SERIALNUMBER] = "42", /* == remote wakeup works */
74 [STR_CONFIG_MOUSE] = "HID Mouse",
75 [STR_CONFIG_TABLET] = "HID Tablet",
76 [STR_CONFIG_KEYBOARD] = "HID Keyboard",
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 = 0x02,
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 = 0x02,
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_SERIALNUMBER,
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_SERIALNUMBER,
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_SERIALNUMBER,
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_SERIALNUMBER,
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_SERIALNUMBER,
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_SERIALNUMBER,
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, 0x03, /* Usage Maximum (3) */
465 0x15, 0x00, /* Logical Minimum (0) */
466 0x25, 0x01, /* Logical Maximum (1) */
467 0x95, 0x03, /* Report Count (3) */
468 0x75, 0x01, /* Report Size (1) */
469 0x81, 0x02, /* Input (Data, Variable, Absolute) */
470 0x95, 0x01, /* Report Count (1) */
471 0x75, 0x05, /* Report Size (5) */
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, 0x01, /* Usage (Pointer) */
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 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 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 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 SET_PROTOCOL:
632 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
633 goto fail;
634 }
635 hs->protocol = value;
636 break;
637 case GET_IDLE:
638 data[0] = hs->idle;
639 p->actual_length = 1;
640 break;
641 case 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 uint8_t buf[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_handle_destroy(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 if (dev->serial) {
720 usb_desc_set_string(dev, STR_SERIALNUMBER, dev->serial);
721 }
722 usb_desc_init(dev);
723 us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
724 hid_init(&us->hid, kind, usb_hid_changed);
725 if (us->display && us->hid.s) {
726 qemu_input_handler_bind(us->hid.s, us->display, us->head, NULL);
727 }
728 }
729
730 static void usb_tablet_realize(USBDevice *dev, Error **errp)
731 {
732
733 usb_hid_initfn(dev, HID_TABLET, &desc_tablet, &desc_tablet2, errp);
734 }
735
736 static void usb_mouse_realize(USBDevice *dev, Error **errp)
737 {
738 usb_hid_initfn(dev, HID_MOUSE, &desc_mouse, &desc_mouse2, errp);
739 }
740
741 static void usb_keyboard_realize(USBDevice *dev, Error **errp)
742 {
743 usb_hid_initfn(dev, HID_KEYBOARD, &desc_keyboard, &desc_keyboard2, errp);
744 }
745
746 static int usb_ptr_post_load(void *opaque, int version_id)
747 {
748 USBHIDState *s = opaque;
749
750 if (s->dev.remote_wakeup) {
751 hid_pointer_activate(&s->hid);
752 }
753 return 0;
754 }
755
756 static const VMStateDescription vmstate_usb_ptr = {
757 .name = "usb-ptr",
758 .version_id = 1,
759 .minimum_version_id = 1,
760 .post_load = usb_ptr_post_load,
761 .fields = (VMStateField[]) {
762 VMSTATE_USB_DEVICE(dev, USBHIDState),
763 VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState),
764 VMSTATE_END_OF_LIST()
765 }
766 };
767
768 static const VMStateDescription vmstate_usb_kbd = {
769 .name = "usb-kbd",
770 .version_id = 1,
771 .minimum_version_id = 1,
772 .fields = (VMStateField[]) {
773 VMSTATE_USB_DEVICE(dev, USBHIDState),
774 VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState),
775 VMSTATE_END_OF_LIST()
776 }
777 };
778
779 static void usb_hid_class_initfn(ObjectClass *klass, void *data)
780 {
781 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
782
783 uc->handle_reset = usb_hid_handle_reset;
784 uc->handle_control = usb_hid_handle_control;
785 uc->handle_data = usb_hid_handle_data;
786 uc->handle_destroy = usb_hid_handle_destroy;
787 uc->handle_attach = usb_desc_attach;
788 }
789
790 static const TypeInfo usb_hid_type_info = {
791 .name = TYPE_USB_HID,
792 .parent = TYPE_USB_DEVICE,
793 .instance_size = sizeof(USBHIDState),
794 .abstract = true,
795 .class_init = usb_hid_class_initfn,
796 };
797
798 static Property usb_tablet_properties[] = {
799 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
800 DEFINE_PROP_STRING("display", USBHIDState, display),
801 DEFINE_PROP_UINT32("head", USBHIDState, head, 0),
802 DEFINE_PROP_END_OF_LIST(),
803 };
804
805 static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
806 {
807 DeviceClass *dc = DEVICE_CLASS(klass);
808 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
809
810 uc->realize = usb_tablet_realize;
811 uc->product_desc = "QEMU USB Tablet";
812 dc->vmsd = &vmstate_usb_ptr;
813 dc->props = usb_tablet_properties;
814 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
815 }
816
817 static const TypeInfo usb_tablet_info = {
818 .name = "usb-tablet",
819 .parent = TYPE_USB_HID,
820 .class_init = usb_tablet_class_initfn,
821 };
822
823 static Property usb_mouse_properties[] = {
824 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
825 DEFINE_PROP_END_OF_LIST(),
826 };
827
828 static void usb_mouse_class_initfn(ObjectClass *klass, void *data)
829 {
830 DeviceClass *dc = DEVICE_CLASS(klass);
831 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
832
833 uc->realize = usb_mouse_realize;
834 uc->product_desc = "QEMU USB Mouse";
835 dc->vmsd = &vmstate_usb_ptr;
836 dc->props = usb_mouse_properties;
837 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
838 }
839
840 static const TypeInfo usb_mouse_info = {
841 .name = "usb-mouse",
842 .parent = TYPE_USB_HID,
843 .class_init = usb_mouse_class_initfn,
844 };
845
846 static Property usb_keyboard_properties[] = {
847 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
848 DEFINE_PROP_STRING("display", USBHIDState, display),
849 DEFINE_PROP_END_OF_LIST(),
850 };
851
852 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data)
853 {
854 DeviceClass *dc = DEVICE_CLASS(klass);
855 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
856
857 uc->realize = usb_keyboard_realize;
858 uc->product_desc = "QEMU USB Keyboard";
859 dc->vmsd = &vmstate_usb_kbd;
860 dc->props = usb_keyboard_properties;
861 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
862 }
863
864 static const TypeInfo usb_keyboard_info = {
865 .name = "usb-kbd",
866 .parent = TYPE_USB_HID,
867 .class_init = usb_keyboard_class_initfn,
868 };
869
870 static void usb_hid_register_types(void)
871 {
872 type_register_static(&usb_hid_type_info);
873 type_register_static(&usb_tablet_info);
874 usb_legacy_register("usb-tablet", "tablet", NULL);
875 type_register_static(&usb_mouse_info);
876 usb_legacy_register("usb-mouse", "mouse", NULL);
877 type_register_static(&usb_keyboard_info);
878 usb_legacy_register("usb-kbd", "keyboard", NULL);
879 }
880
881 type_init(usb_hid_register_types)
QEmu