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target-ppc: fix fload_invalid_op_excp()
[qemu/qemu-JZ.git] / hw / usb-bt.c
blob30efb45a1cf02d83ed88973ff22e92ab6f5914a5
1 /*
2 * QEMU Bluetooth HCI USB Transport Layer v1.0
3 *
4 * Copyright (C) 2007 OpenMoko, Inc.
5 * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 or
10 * (at your option) version 3 of the License.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23 #include "qemu-common.h"
24 #include "usb.h"
25 #include "net.h"
26 #include "bt.h"
27
28 struct USBBtState {
29 USBDevice dev;
30 struct HCIInfo *hci;
31
32 int altsetting;
33 int config;
34
35 #define CFIFO_LEN_MASK 255
36 #define DFIFO_LEN_MASK 4095
37 struct usb_hci_in_fifo_s {
38 uint8_t data[(DFIFO_LEN_MASK + 1) * 2];
39 struct {
40 uint8_t *data;
41 int len;
42 } fifo[CFIFO_LEN_MASK + 1];
43 int dstart, dlen, dsize, start, len;
44 } evt, acl, sco;
45
46 struct usb_hci_out_fifo_s {
47 uint8_t data[4096];
48 int len;
49 } outcmd, outacl, outsco;
50 };
51
52 #define USB_EVT_EP 1
53 #define USB_ACL_EP 2
54 #define USB_SCO_EP 3
55
56 static const uint8_t qemu_bt_dev_descriptor[] = {
57 0x12, /* u8 bLength; */
58 USB_DT_DEVICE, /* u8 bDescriptorType; Device */
59 0x10, 0x01, /* u16 bcdUSB; v1.10 */
60
61 0xe0, /* u8 bDeviceClass; Wireless */
62 0x01, /* u8 bDeviceSubClass; Radio Frequency */
63 0x01, /* u8 bDeviceProtocol; Bluetooth */
64 0x40, /* u8 bMaxPacketSize0; 64 Bytes */
65
66 0x12, 0x0a, /* u16 idVendor; */
67 0x01, 0x00, /* u16 idProduct; Bluetooth Dongle (HCI mode) */
68 0x58, 0x19, /* u16 bcdDevice; (some devices have 0x48, 0x02) */
69
70 0x00, /* u8 iManufacturer; */
71 0x00, /* u8 iProduct; */
72 0x00, /* u8 iSerialNumber; */
73 0x01, /* u8 bNumConfigurations; */
74 };
75
76 static const uint8_t qemu_bt_config_descriptor[] = {
77 /* one configuration */
78 0x09, /* u8 bLength; */
79 USB_DT_CONFIG, /* u8 bDescriptorType; */
80 0xb1, 0x00, /* u16 wTotalLength; */
81 0x02, /* u8 bNumInterfaces; (2) */
82 0x01, /* u8 bConfigurationValue; */
83 0x00, /* u8 iConfiguration; */
84 0xc0, /* u8 bmAttributes;
85 Bit 7: must be set,
86 6: Self-powered,
87 5: Remote wakeup,
88 4..0: resvd */
89 0x00, /* u8 MaxPower; */
90
91 /* USB 1.1:
92 * USB 2.0, single TT organization (mandatory):
93 * one interface, protocol 0
94 *
95 * USB 2.0, multiple TT organization (optional):
96 * two interfaces, protocols 1 (like single TT)
97 * and 2 (multiple TT mode) ... config is
98 * sometimes settable
99 * NOT IMPLEMENTED
100 */
101
102 /* interface one */
103 0x09, /* u8 if_bLength; */
104 USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
105 0x00, /* u8 if_bInterfaceNumber; */
106 0x00, /* u8 if_bAlternateSetting; */
107 0x03, /* u8 if_bNumEndpoints; */
108 0xe0, /* u8 if_bInterfaceClass; Wireless */
109 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
110 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
111 0x00, /* u8 if_iInterface; */
112
113 /* endpoint one */
114 0x07, /* u8 ep_bLength; */
115 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
116 USB_DIR_IN | USB_EVT_EP, /* u8 ep_bEndpointAddress; */
117 0x03, /* u8 ep_bmAttributes; Interrupt */
118 0x10, 0x00, /* u16 ep_wMaxPacketSize; */
119 0x02, /* u8 ep_bInterval; */
120
121 /* endpoint two */
122 0x07, /* u8 ep_bLength; */
123 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
124 USB_DIR_OUT | USB_ACL_EP, /* u8 ep_bEndpointAddress; */
125 0x02, /* u8 ep_bmAttributes; Bulk */
126 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
127 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
128
129 /* endpoint three */
130 0x07, /* u8 ep_bLength; */
131 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
132 USB_DIR_IN | USB_ACL_EP, /* u8 ep_bEndpointAddress; */
133 0x02, /* u8 ep_bmAttributes; Bulk */
134 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
135 0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
136
137 /* interface two setting one */
138 0x09, /* u8 if_bLength; */
139 USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
140 0x01, /* u8 if_bInterfaceNumber; */
141 0x00, /* u8 if_bAlternateSetting; */
142 0x02, /* u8 if_bNumEndpoints; */
143 0xe0, /* u8 if_bInterfaceClass; Wireless */
144 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
145 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
146 0x00, /* u8 if_iInterface; */
147
148 /* endpoint one */
149 0x07, /* u8 ep_bLength; */
150 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
151 USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
152 0x01, /* u8 ep_bmAttributes; Isochronous */
153 0x00, 0x00, /* u16 ep_wMaxPacketSize; */
154 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
155
156 /* endpoint two */
157 0x07, /* u8 ep_bLength; */
158 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
159 USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
160 0x01, /* u8 ep_bmAttributes; Isochronous */
161 0x00, 0x00, /* u16 ep_wMaxPacketSize; */
162 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
163
164 /* interface two setting two */
165 0x09, /* u8 if_bLength; */
166 USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
167 0x01, /* u8 if_bInterfaceNumber; */
168 0x01, /* u8 if_bAlternateSetting; */
169 0x02, /* u8 if_bNumEndpoints; */
170 0xe0, /* u8 if_bInterfaceClass; Wireless */
171 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
172 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
173 0x00, /* u8 if_iInterface; */
174
175 /* endpoint one */
176 0x07, /* u8 ep_bLength; */
177 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
178 USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
179 0x01, /* u8 ep_bmAttributes; Isochronous */
180 0x09, 0x00, /* u16 ep_wMaxPacketSize; */
181 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
182
183 /* endpoint two */
184 0x07, /* u8 ep_bLength; */
185 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
186 USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
187 0x01, /* u8 ep_bmAttributes; Isochronous */
188 0x09, 0x00, /* u16 ep_wMaxPacketSize; */
189 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
190
191 /* interface two setting three */
192 0x09, /* u8 if_bLength; */
193 USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
194 0x01, /* u8 if_bInterfaceNumber; */
195 0x02, /* u8 if_bAlternateSetting; */
196 0x02, /* u8 if_bNumEndpoints; */
197 0xe0, /* u8 if_bInterfaceClass; Wireless */
198 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
199 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
200 0x00, /* u8 if_iInterface; */
201
202 /* endpoint one */
203 0x07, /* u8 ep_bLength; */
204 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
205 USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
206 0x01, /* u8 ep_bmAttributes; Isochronous */
207 0x11, 0x00, /* u16 ep_wMaxPacketSize; */
208 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
209
210 /* endpoint two */
211 0x07, /* u8 ep_bLength; */
212 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
213 USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
214 0x01, /* u8 ep_bmAttributes; Isochronous */
215 0x11, 0x00, /* u16 ep_wMaxPacketSize; */
216 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
217
218 /* interface two setting four */
219 0x09, /* u8 if_bLength; */
220 USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
221 0x01, /* u8 if_bInterfaceNumber; */
222 0x03, /* u8 if_bAlternateSetting; */
223 0x02, /* u8 if_bNumEndpoints; */
224 0xe0, /* u8 if_bInterfaceClass; Wireless */
225 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
226 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
227 0x00, /* u8 if_iInterface; */
228
229 /* endpoint one */
230 0x07, /* u8 ep_bLength; */
231 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
232 USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
233 0x01, /* u8 ep_bmAttributes; Isochronous */
234 0x19, 0x00, /* u16 ep_wMaxPacketSize; */
235 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
236
237 /* endpoint two */
238 0x07, /* u8 ep_bLength; */
239 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
240 USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
241 0x01, /* u8 ep_bmAttributes; Isochronous */
242 0x19, 0x00, /* u16 ep_wMaxPacketSize; */
243 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
244
245 /* interface two setting five */
246 0x09, /* u8 if_bLength; */
247 USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
248 0x01, /* u8 if_bInterfaceNumber; */
249 0x04, /* u8 if_bAlternateSetting; */
250 0x02, /* u8 if_bNumEndpoints; */
251 0xe0, /* u8 if_bInterfaceClass; Wireless */
252 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
253 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
254 0x00, /* u8 if_iInterface; */
255
256 /* endpoint one */
257 0x07, /* u8 ep_bLength; */
258 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
259 USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
260 0x01, /* u8 ep_bmAttributes; Isochronous */
261 0x21, 0x00, /* u16 ep_wMaxPacketSize; */
262 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
263
264 /* endpoint two */
265 0x07, /* u8 ep_bLength; */
266 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
267 USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
268 0x01, /* u8 ep_bmAttributes; Isochronous */
269 0x21, 0x00, /* u16 ep_wMaxPacketSize; */
270 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
271
272 /* interface two setting six */
273 0x09, /* u8 if_bLength; */
274 USB_DT_INTERFACE, /* u8 if_bDescriptorType; */
275 0x01, /* u8 if_bInterfaceNumber; */
276 0x05, /* u8 if_bAlternateSetting; */
277 0x02, /* u8 if_bNumEndpoints; */
278 0xe0, /* u8 if_bInterfaceClass; Wireless */
279 0x01, /* u8 if_bInterfaceSubClass; Radio Frequency */
280 0x01, /* u8 if_bInterfaceProtocol; Bluetooth */
281 0x00, /* u8 if_iInterface; */
282
283 /* endpoint one */
284 0x07, /* u8 ep_bLength; */
285 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
286 USB_DIR_OUT | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
287 0x01, /* u8 ep_bmAttributes; Isochronous */
288 0x31, 0x00, /* u16 ep_wMaxPacketSize; */
289 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
290
291 /* endpoint two */
292 0x07, /* u8 ep_bLength; */
293 USB_DT_ENDPOINT, /* u8 ep_bDescriptorType; */
294 USB_DIR_IN | USB_SCO_EP, /* u8 ep_bEndpointAddress; */
295 0x01, /* u8 ep_bmAttributes; Isochronous */
296 0x31, 0x00, /* u16 ep_wMaxPacketSize; */
297 0x01, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
298
299 /* If implemented, the DFU interface descriptor goes here with no
300 * endpoints or alternative settings. */
301 };
302
303 static void usb_bt_fifo_reset(struct usb_hci_in_fifo_s *fifo)
304 {
305 fifo->dstart = 0;
306 fifo->dlen = 0;
307 fifo->dsize = DFIFO_LEN_MASK + 1;
308 fifo->start = 0;
309 fifo->len = 0;
310 }
311
312 static void usb_bt_fifo_enqueue(struct usb_hci_in_fifo_s *fifo,
313 const uint8_t *data, int len)
314 {
315 int off = fifo->dstart + fifo->dlen;
316 uint8_t *buf;
317
318 fifo->dlen += len;
319 if (off <= DFIFO_LEN_MASK) {
320 if (off + len > DFIFO_LEN_MASK + 1 &&
321 (fifo->dsize = off + len) > (DFIFO_LEN_MASK + 1) * 2) {
322 fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
323 exit(-1);
324 }
325 buf = fifo->data + off;
326 } else {
327 if (fifo->dlen > fifo->dsize) {
328 fprintf(stderr, "%s: can't alloc %i bytes\n", __FUNCTION__, len);
329 exit(-1);
330 }
331 buf = fifo->data + off - fifo->dsize;
332 }
333
334 off = (fifo->start + fifo->len ++) & CFIFO_LEN_MASK;
335 fifo->fifo[off].data = memcpy(buf, data, len);
336 fifo->fifo[off].len = len;
337 }
338
339 static inline int usb_bt_fifo_dequeue(struct usb_hci_in_fifo_s *fifo,
340 USBPacket *p)
341 {
342 int len;
343
344 if (likely(!fifo->len))
345 return USB_RET_STALL;
346
347 len = MIN(p->len, fifo->fifo[fifo->start].len);
348 memcpy(p->data, fifo->fifo[fifo->start].data, len);
349 if (len == p->len) {
350 fifo->fifo[fifo->start].len -= len;
351 fifo->fifo[fifo->start].data += len;
352 } else {
353 fifo->start ++;
354 fifo->start &= CFIFO_LEN_MASK;
355 fifo->len --;
356 }
357
358 fifo->dstart += len;
359 fifo->dlen -= len;
360 if (fifo->dstart >= fifo->dsize) {
361 fifo->dstart = 0;
362 fifo->dsize = DFIFO_LEN_MASK + 1;
363 }
364
365 return len;
366 }
367
368 static void inline usb_bt_fifo_out_enqueue(struct USBBtState *s,
369 struct usb_hci_out_fifo_s *fifo,
370 void (*send)(struct HCIInfo *, const uint8_t *, int),
371 int (*complete)(const uint8_t *, int),
372 const uint8_t *data, int len)
373 {
374 if (fifo->len) {
375 memcpy(fifo->data + fifo->len, data, len);
376 fifo->len += len;
377 if (complete(fifo->data, fifo->len)) {
378 send(s->hci, fifo->data, fifo->len);
379 fifo->len = 0;
380 }
381 } else if (complete(data, len))
382 send(s->hci, data, len);
383 else {
384 memcpy(fifo->data, data, len);
385 fifo->len = len;
386 }
387
388 /* TODO: do we need to loop? */
389 }
390
391 static int usb_bt_hci_cmd_complete(const uint8_t *data, int len)
392 {
393 len -= HCI_COMMAND_HDR_SIZE;
394 return len >= 0 &&
395 len >= ((struct hci_command_hdr *) data)->plen;
396 }
397
398 static int usb_bt_hci_acl_complete(const uint8_t *data, int len)
399 {
400 len -= HCI_ACL_HDR_SIZE;
401 return len >= 0 &&
402 len >= le16_to_cpu(((struct hci_acl_hdr *) data)->dlen);
403 }
404
405 static int usb_bt_hci_sco_complete(const uint8_t *data, int len)
406 {
407 len -= HCI_SCO_HDR_SIZE;
408 return len >= 0 &&
409 len >= ((struct hci_sco_hdr *) data)->dlen;
410 }
411
412 static void usb_bt_handle_reset(USBDevice *dev)
413 {
414 struct USBBtState *s = (struct USBBtState *) dev->opaque;
415
416 usb_bt_fifo_reset(&s->evt);
417 usb_bt_fifo_reset(&s->acl);
418 usb_bt_fifo_reset(&s->sco);
419 s->outcmd.len = 0;
420 s->outacl.len = 0;
421 s->outsco.len = 0;
422 s->altsetting = 0;
423 }
424
425 static int usb_bt_handle_control(USBDevice *dev, int request, int value,
426 int index, int length, uint8_t *data)
427 {
428 struct USBBtState *s = (struct USBBtState *) dev->opaque;
429 int ret = 0;
430
431 switch (request) {
432 case DeviceRequest | USB_REQ_GET_STATUS:
433 case InterfaceRequest | USB_REQ_GET_STATUS:
434 case EndpointRequest | USB_REQ_GET_STATUS:
435 data[0] = (1 << USB_DEVICE_SELF_POWERED) |
436 (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
437 data[1] = 0x00;
438 ret = 2;
439 break;
440 case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
441 case InterfaceOutRequest | USB_REQ_CLEAR_FEATURE:
442 case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
443 if (value == USB_DEVICE_REMOTE_WAKEUP) {
444 dev->remote_wakeup = 0;
445 } else {
446 goto fail;
447 }
448 ret = 0;
449 break;
450 case DeviceOutRequest | USB_REQ_SET_FEATURE:
451 case InterfaceOutRequest | USB_REQ_SET_FEATURE:
452 case EndpointOutRequest | USB_REQ_SET_FEATURE:
453 if (value == USB_DEVICE_REMOTE_WAKEUP) {
454 dev->remote_wakeup = 1;
455 } else {
456 goto fail;
457 }
458 ret = 0;
459 break;
460 case DeviceOutRequest | USB_REQ_SET_ADDRESS:
461 dev->addr = value;
462 ret = 0;
463 break;
464 case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
465 switch (value >> 8) {
466 case USB_DT_DEVICE:
467 ret = sizeof(qemu_bt_dev_descriptor);
468 memcpy(data, qemu_bt_dev_descriptor, ret);
469 break;
470 case USB_DT_CONFIG:
471 ret = sizeof(qemu_bt_config_descriptor);
472 memcpy(data, qemu_bt_config_descriptor, ret);
473 break;
474 case USB_DT_STRING:
475 switch(value & 0xff) {
476 case 0:
477 /* language ids */
478 data[0] = 4;
479 data[1] = 3;
480 data[2] = 0x09;
481 data[3] = 0x04;
482 ret = 4;
483 break;
484 default:
485 goto fail;
486 }
487 break;
488 default:
489 goto fail;
490 }
491 break;
492 case DeviceRequest | USB_REQ_GET_CONFIGURATION:
493 data[0] = qemu_bt_config_descriptor[0x5];
494 ret = 1;
495 s->config = 0;
496 break;
497 case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
498 ret = 0;
499 if (value != qemu_bt_config_descriptor[0x5] && value != 0) {
500 printf("%s: Wrong SET_CONFIGURATION request (%i)\n",
501 __FUNCTION__, value);
502 goto fail;
503 }
504 s->config = 1;
505 usb_bt_fifo_reset(&s->evt);
506 usb_bt_fifo_reset(&s->acl);
507 usb_bt_fifo_reset(&s->sco);
508 break;
509 case InterfaceRequest | USB_REQ_GET_INTERFACE:
510 if (value != 0 || (index & ~1) || length != 1)
511 goto fail;
512 if (index == 1)
513 data[0] = s->altsetting;
514 else
515 data[0] = 0;
516 ret = 1;
517 break;
518 case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
519 if ((index & ~1) || length != 0 ||
520 (index == 1 && (value < 0 || value > 4)) ||
521 (index == 0 && value != 0)) {
522 printf("%s: Wrong SET_INTERFACE request (%i, %i)\n",
523 __FUNCTION__, index, value);
524 goto fail;
525 }
526 s->altsetting = value;
527 ret = 0;
528 break;
529 case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_DEVICE) << 8):
530 if (s->config)
531 usb_bt_fifo_out_enqueue(s, &s->outcmd, s->hci->cmd_send,
532 usb_bt_hci_cmd_complete, data, length);
533 break;
534 default:
535 fail:
536 ret = USB_RET_STALL;
537 break;
538 }
539 return ret;
540 }
541
542 static int usb_bt_handle_data(USBDevice *dev, USBPacket *p)
543 {
544 struct USBBtState *s = (struct USBBtState *) dev->opaque;
545 int ret = 0;
546
547 if (!s->config)
548 goto fail;
549
550 switch (p->pid) {
551 case USB_TOKEN_IN:
552 switch (p->devep & 0xf) {
553 case USB_EVT_EP:
554 ret = usb_bt_fifo_dequeue(&s->evt, p);
555 break;
556
557 case USB_ACL_EP:
558 ret = usb_bt_fifo_dequeue(&s->acl, p);
559 break;
560
561 case USB_SCO_EP:
562 ret = usb_bt_fifo_dequeue(&s->sco, p);
563 break;
564
565 default:
566 goto fail;
567 }
568 break;
569
570 case USB_TOKEN_OUT:
571 switch (p->devep & 0xf) {
572 case USB_ACL_EP:
573 usb_bt_fifo_out_enqueue(s, &s->outacl, s->hci->acl_send,
574 usb_bt_hci_acl_complete, p->data, p->len);
575 break;
576
577 case USB_SCO_EP:
578 usb_bt_fifo_out_enqueue(s, &s->outsco, s->hci->sco_send,
579 usb_bt_hci_sco_complete, p->data, p->len);
580 break;
581
582 default:
583 goto fail;
584 }
585 break;
586
587 default:
588 fail:
589 ret = USB_RET_STALL;
590 break;
591 }
592
593 return ret;
594 }
595
596 static void usb_bt_out_hci_packet_event(void *opaque,
597 const uint8_t *data, int len)
598 {
599 struct USBBtState *s = (struct USBBtState *) opaque;
600
601 usb_bt_fifo_enqueue(&s->evt, data, len);
602 }
603
604 static void usb_bt_out_hci_packet_acl(void *opaque,
605 const uint8_t *data, int len)
606 {
607 struct USBBtState *s = (struct USBBtState *) opaque;
608
609 usb_bt_fifo_enqueue(&s->acl, data, len);
610 }
611
612 static void usb_bt_handle_destroy(USBDevice *dev)
613 {
614 struct USBBtState *s = (struct USBBtState *) dev->opaque;
615
616 s->hci->opaque = 0;
617 s->hci->evt_recv = 0;
618 s->hci->acl_recv = 0;
619 qemu_free(s);
620 }
621
622 USBDevice *usb_bt_init(HCIInfo *hci)
623 {
624 struct USBBtState *s;
625
626 if (!hci)
627 return NULL;
628 s = qemu_mallocz(sizeof(struct USBBtState));
629 if (!s)
630 return NULL;
631 s->dev.opaque = s;
632 s->dev.speed = USB_SPEED_HIGH;
633 s->dev.handle_packet = usb_generic_handle_packet;
634 pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU BT dongle");
635
636 s->dev.handle_reset = usb_bt_handle_reset;
637 s->dev.handle_control = usb_bt_handle_control;
638 s->dev.handle_data = usb_bt_handle_data;
639 s->dev.handle_destroy = usb_bt_handle_destroy;
640
641 s->hci = hci;
642 s->hci->opaque = s;
643 s->hci->evt_recv = usb_bt_out_hci_packet_event;
644 s->hci->acl_recv = usb_bt_out_hci_packet_acl;
645
646 usb_bt_handle_reset(&s->dev);
647
648 return &s->dev;
649 }
jz4740 based target emulation