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iotests: Drop readlink -f
[qemu/ar7.git] / hw / usb / dev-hid.c
blob05cfe6baca151ac881429d3980afc2ffa540996d
1 /*
2 * QEMU USB HID devices
3 *
4 * Copyright (c) 2005 Fabrice Bellard
5 * Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26 #include "qemu/osdep.h"
27 #include "ui/console.h"
28 #include "hw/usb.h"
29 #include "migration/vmstate.h"
30 #include "desc.h"
31 #include "qapi/error.h"
32 #include "qemu/module.h"
33 #include "qemu/timer.h"
34 #include "hw/input/hid.h"
35 #include "hw/usb/hid.h"
36 #include "hw/qdev-properties.h"
37 #include "qom/object.h"
38
39 struct USBHIDState {
40 USBDevice dev;
41 USBEndpoint *intr;
42 HIDState hid;
43 uint32_t usb_version;
44 char *display;
45 uint32_t head;
46 };
47 typedef struct USBHIDState USBHIDState;
48
49 #define TYPE_USB_HID "usb-hid"
50 DECLARE_INSTANCE_CHECKER(USBHIDState, USB_HID,
51 TYPE_USB_HID)
52
53 enum {
54 STR_MANUFACTURER = 1,
55 STR_PRODUCT_MOUSE,
56 STR_PRODUCT_TABLET,
57 STR_PRODUCT_KEYBOARD,
58 STR_SERIAL_COMPAT,
59 STR_CONFIG_MOUSE,
60 STR_CONFIG_TABLET,
61 STR_CONFIG_KEYBOARD,
62 STR_SERIAL_MOUSE,
63 STR_SERIAL_TABLET,
64 STR_SERIAL_KEYBOARD,
65 };
66
67 static const USBDescStrings desc_strings = {
68 [STR_MANUFACTURER] = "QEMU",
69 [STR_PRODUCT_MOUSE] = "QEMU USB Mouse",
70 [STR_PRODUCT_TABLET] = "QEMU USB Tablet",
71 [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
72 [STR_SERIAL_COMPAT] = "42",
73 [STR_CONFIG_MOUSE] = "HID Mouse",
74 [STR_CONFIG_TABLET] = "HID Tablet",
75 [STR_CONFIG_KEYBOARD] = "HID Keyboard",
76 [STR_SERIAL_MOUSE] = "89126",
77 [STR_SERIAL_TABLET] = "28754",
78 [STR_SERIAL_KEYBOARD] = "68284",
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_SERIAL_MOUSE,
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_SERIAL_MOUSE,
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_SERIAL_TABLET,
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_SERIAL_TABLET,
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_SERIAL_KEYBOARD,
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_SERIAL_KEYBOARD,
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 HID_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 HID_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 HID_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 HID_SET_PROTOCOL:
634 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
635 goto fail;
636 }
637 hs->protocol = value;
638 break;
639 case HID_GET_IDLE:
640 data[0] = hs->idle;
641 p->actual_length = 1;
642 break;
643 case HID_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_unrealize(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 usb_desc_create_serial(dev);
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->unrealize = usb_hid_unrealize;
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 device_class_set_props(dc, 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 device_class_set_props(dc, 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 device_class_set_props(dc, 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)
AR7 emulation for QEMU