1 | /* $NetBSD: usbdi_util.c,v 1.65 2016/04/23 10:15:32 skrll Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1998, 2012 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Lennart Augustsson (lennart@augustsson.net) at |
9 | * Carlstedt Research & Technology and Matthew R. Green (mrg@eterna.com.au). |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
30 | * POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | #include <sys/cdefs.h> |
34 | __KERNEL_RCSID(0, "$NetBSD: usbdi_util.c,v 1.65 2016/04/23 10:15:32 skrll Exp $" ); |
35 | |
36 | #ifdef _KERNEL_OPT |
37 | #include "opt_usb.h" |
38 | #endif |
39 | |
40 | #include <sys/param.h> |
41 | #include <sys/systm.h> |
42 | #include <sys/kernel.h> |
43 | #include <sys/kmem.h> |
44 | #include <sys/proc.h> |
45 | #include <sys/device.h> |
46 | #include <sys/bus.h> |
47 | |
48 | #include <dev/usb/usb.h> |
49 | #include <dev/usb/usbhid.h> |
50 | #include <dev/usb/usbdi.h> |
51 | #include <dev/usb/usbdivar.h> |
52 | #include <dev/usb/usbdi_util.h> |
53 | #include <dev/usb/usbhist.h> |
54 | |
55 | #define DPRINTF(FMT,A,B,C,D) USBHIST_LOGN(usbdebug,1,FMT,A,B,C,D) |
56 | #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(usbdebug,N,FMT,A,B,C,D) |
57 | |
58 | usbd_status |
59 | usbd_get_desc(struct usbd_device *dev, int type, int index, int len, void *desc) |
60 | { |
61 | usb_device_request_t req; |
62 | |
63 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
64 | |
65 | DPRINTFN(3,"type=%d, index=%d, len=%d" , type, index, len, 0); |
66 | |
67 | req.bmRequestType = UT_READ_DEVICE; |
68 | req.bRequest = UR_GET_DESCRIPTOR; |
69 | USETW2(req.wValue, type, index); |
70 | USETW(req.wIndex, 0); |
71 | USETW(req.wLength, len); |
72 | return usbd_do_request(dev, &req, desc); |
73 | } |
74 | |
75 | usbd_status |
76 | usbd_get_config_desc(struct usbd_device *dev, int confidx, |
77 | usb_config_descriptor_t *d) |
78 | { |
79 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
80 | usbd_status err; |
81 | |
82 | DPRINTFN(3, "confidx=%d" , confidx, 0, 0, 0); |
83 | err = usbd_get_desc(dev, UDESC_CONFIG, confidx, |
84 | USB_CONFIG_DESCRIPTOR_SIZE, d); |
85 | if (err) |
86 | return err; |
87 | if (d->bDescriptorType != UDESC_CONFIG) { |
88 | DPRINTFN(1, "confidx=%d, bad desc len=%d type=%d" , |
89 | confidx, d->bLength, d->bDescriptorType, 0); |
90 | return USBD_INVAL; |
91 | } |
92 | return USBD_NORMAL_COMPLETION; |
93 | } |
94 | |
95 | usbd_status |
96 | usbd_get_config_desc_full(struct usbd_device *dev, int conf, void *d, int size) |
97 | { |
98 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
99 | |
100 | DPRINTFN(3, "conf=%d" , conf, 0, 0, 0); |
101 | return usbd_get_desc(dev, UDESC_CONFIG, conf, size, d); |
102 | } |
103 | |
104 | usbd_status |
105 | usbd_get_bos_desc(struct usbd_device *dev, int confidx, |
106 | usb_bos_descriptor_t *d) |
107 | { |
108 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
109 | usbd_status err; |
110 | |
111 | DPRINTFN(3, "confidx=%d" , confidx, 0, 0, 0); |
112 | err = usbd_get_desc(dev, UDESC_BOS, confidx, |
113 | USB_BOS_DESCRIPTOR_SIZE, d); |
114 | if (err) |
115 | return (err); |
116 | if (d->bDescriptorType != UDESC_BOS) { |
117 | DPRINTFN(1, "confidx=%d, bad desc len=%d type=%d" , |
118 | confidx, d->bLength, d->bDescriptorType, 0); |
119 | return USBD_INVAL; |
120 | } |
121 | return USBD_NORMAL_COMPLETION; |
122 | } |
123 | |
124 | usbd_status |
125 | usbd_get_bos_desc_full(struct usbd_device *dev, int conf, void *d, int size) |
126 | { |
127 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
128 | |
129 | DPRINTFN(3, "conf=%d" , conf, 0, 0, 0); |
130 | return usbd_get_desc(dev, UDESC_BOS, conf, size, d); |
131 | } |
132 | |
133 | usbd_status |
134 | usbd_get_device_desc(struct usbd_device *dev, usb_device_descriptor_t *d) |
135 | { |
136 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
137 | |
138 | return (usbd_get_desc(dev, UDESC_DEVICE, |
139 | 0, USB_DEVICE_DESCRIPTOR_SIZE, d)); |
140 | } |
141 | |
142 | usbd_status |
143 | usbd_get_device_status(struct usbd_device *dev, usb_status_t *st) |
144 | { |
145 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
146 | usb_device_request_t req; |
147 | |
148 | req.bmRequestType = UT_READ_DEVICE; |
149 | req.bRequest = UR_GET_STATUS; |
150 | USETW(req.wValue, 0); |
151 | USETW(req.wIndex, 0); |
152 | USETW(req.wLength, sizeof(usb_status_t)); |
153 | return usbd_do_request(dev, &req, st); |
154 | } |
155 | |
156 | usbd_status |
157 | usbd_get_hub_status(struct usbd_device *dev, usb_hub_status_t *st) |
158 | { |
159 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
160 | usb_device_request_t req; |
161 | |
162 | DPRINTF("dev %p" , dev, 0, 0, 0); |
163 | req.bmRequestType = UT_READ_CLASS_DEVICE; |
164 | req.bRequest = UR_GET_STATUS; |
165 | USETW(req.wValue, 0); |
166 | USETW(req.wIndex, 0); |
167 | USETW(req.wLength, sizeof(usb_hub_status_t)); |
168 | return usbd_do_request(dev, &req, st); |
169 | } |
170 | |
171 | usbd_status |
172 | usbd_set_address(struct usbd_device *dev, int addr) |
173 | { |
174 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
175 | usb_device_request_t req; |
176 | |
177 | DPRINTF("dev %p addr %d" , dev, addr, 0, 0); |
178 | req.bmRequestType = UT_WRITE_DEVICE; |
179 | req.bRequest = UR_SET_ADDRESS; |
180 | USETW(req.wValue, addr); |
181 | USETW(req.wIndex, 0); |
182 | USETW(req.wLength, 0); |
183 | return usbd_do_request(dev, &req, 0); |
184 | } |
185 | |
186 | usbd_status |
187 | usbd_get_port_status(struct usbd_device *dev, int port, usb_port_status_t *ps) |
188 | { |
189 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
190 | usb_device_request_t req; |
191 | |
192 | DPRINTF("dev %p port %d" , dev, port, 0, 0); |
193 | req.bmRequestType = UT_READ_CLASS_OTHER; |
194 | req.bRequest = UR_GET_STATUS; |
195 | USETW(req.wValue, 0); |
196 | USETW(req.wIndex, port); |
197 | USETW(req.wLength, sizeof(*ps)); |
198 | return usbd_do_request(dev, &req, ps); |
199 | } |
200 | |
201 | /* USB 3.1 10.16.2.6, 10.16.2.6.3 */ |
202 | usbd_status |
203 | usbd_get_port_status_ext(struct usbd_device *dev, int port, |
204 | usb_port_status_ext_t *pse) |
205 | { |
206 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
207 | usb_device_request_t req; |
208 | |
209 | DPRINTF("dev %p port %d" , dev, port, 0, 0); |
210 | req.bmRequestType = UT_READ_CLASS_OTHER; |
211 | req.bRequest = UR_GET_STATUS; |
212 | USETW2(req.wValue, 0, UR_PST_EXT_PORT_STATUS); |
213 | USETW(req.wIndex, port); |
214 | USETW(req.wLength, sizeof(*pse)); |
215 | return (usbd_do_request(dev, &req, pse)); |
216 | } |
217 | |
218 | usbd_status |
219 | usbd_clear_hub_feature(struct usbd_device *dev, int sel) |
220 | { |
221 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
222 | usb_device_request_t req; |
223 | |
224 | DPRINTF("dev %p sel %d" , dev, sel, 0, 0); |
225 | req.bmRequestType = UT_WRITE_CLASS_DEVICE; |
226 | req.bRequest = UR_CLEAR_FEATURE; |
227 | USETW(req.wValue, sel); |
228 | USETW(req.wIndex, 0); |
229 | USETW(req.wLength, 0); |
230 | return usbd_do_request(dev, &req, 0); |
231 | } |
232 | |
233 | usbd_status |
234 | usbd_set_hub_feature(struct usbd_device *dev, int sel) |
235 | { |
236 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
237 | usb_device_request_t req; |
238 | |
239 | DPRINTF("dev %p sel %d" , dev, sel, 0, 0); |
240 | req.bmRequestType = UT_WRITE_CLASS_DEVICE; |
241 | req.bRequest = UR_SET_FEATURE; |
242 | USETW(req.wValue, sel); |
243 | USETW(req.wIndex, 0); |
244 | USETW(req.wLength, 0); |
245 | return usbd_do_request(dev, &req, 0); |
246 | } |
247 | |
248 | usbd_status |
249 | usbd_clear_port_feature(struct usbd_device *dev, int port, int sel) |
250 | { |
251 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
252 | usb_device_request_t req; |
253 | |
254 | DPRINTF("dev %p port %d sel %d" , dev, port, sel, 0); |
255 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
256 | req.bRequest = UR_CLEAR_FEATURE; |
257 | USETW(req.wValue, sel); |
258 | USETW(req.wIndex, port); |
259 | USETW(req.wLength, 0); |
260 | return usbd_do_request(dev, &req, 0); |
261 | } |
262 | |
263 | usbd_status |
264 | usbd_set_port_feature(struct usbd_device *dev, int port, int sel) |
265 | { |
266 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
267 | usb_device_request_t req; |
268 | |
269 | DPRINTF("dev %p port %d sel %d" , dev, sel, 0, 0); |
270 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
271 | req.bRequest = UR_SET_FEATURE; |
272 | USETW(req.wValue, sel); |
273 | USETW(req.wIndex, port); |
274 | USETW(req.wLength, 0); |
275 | return usbd_do_request(dev, &req, 0); |
276 | } |
277 | |
278 | usbd_status |
279 | usbd_set_port_u1_timeout(struct usbd_device *dev, int port, int timeout) |
280 | { |
281 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
282 | usb_device_request_t req; |
283 | |
284 | DPRINTF("dev %p port %d timeout %d" , dev, port, timeout, 0); |
285 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
286 | req.bRequest = UR_SET_FEATURE; |
287 | USETW(req.wValue, UHF_PORT_U1_TIMEOUT); |
288 | USETW2(req.wIndex, timeout, port); |
289 | USETW(req.wLength, 0); |
290 | return usbd_do_request(dev, &req, 0); |
291 | } |
292 | |
293 | usbd_status |
294 | usbd_set_port_u2_timeout(struct usbd_device *dev, int port, int timeout) |
295 | { |
296 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
297 | usb_device_request_t req; |
298 | |
299 | DPRINTF("dev %p port %d timeout %d" , dev, port, timeout, 0); |
300 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
301 | req.bRequest = UR_SET_FEATURE; |
302 | USETW(req.wValue, UHF_PORT_U2_TIMEOUT); |
303 | USETW2(req.wIndex, timeout, port); |
304 | USETW(req.wLength, 0); |
305 | return usbd_do_request(dev, &req, 0); |
306 | } |
307 | |
308 | usbd_status |
309 | usbd_get_protocol(struct usbd_interface *iface, uint8_t *report) |
310 | { |
311 | usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface); |
312 | struct usbd_device *dev; |
313 | usb_device_request_t req; |
314 | |
315 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
316 | |
317 | DPRINTFN(4, "iface=%p, endpt=%d" , iface, id->bInterfaceNumber, 0, 0); |
318 | if (id == NULL) |
319 | return USBD_IOERROR; |
320 | usbd_interface2device_handle(iface, &dev); |
321 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
322 | req.bRequest = UR_GET_PROTOCOL; |
323 | USETW(req.wValue, 0); |
324 | USETW(req.wIndex, id->bInterfaceNumber); |
325 | USETW(req.wLength, 1); |
326 | return usbd_do_request(dev, &req, report); |
327 | } |
328 | |
329 | usbd_status |
330 | usbd_set_protocol(struct usbd_interface *iface, int report) |
331 | { |
332 | usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface); |
333 | struct usbd_device *dev; |
334 | usb_device_request_t req; |
335 | |
336 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
337 | |
338 | DPRINTFN(4, "iface=%p, report=%d, endpt=%d" , iface, report, |
339 | id->bInterfaceNumber, 0); |
340 | if (id == NULL) |
341 | return USBD_IOERROR; |
342 | usbd_interface2device_handle(iface, &dev); |
343 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
344 | req.bRequest = UR_SET_PROTOCOL; |
345 | USETW(req.wValue, report); |
346 | USETW(req.wIndex, id->bInterfaceNumber); |
347 | USETW(req.wLength, 0); |
348 | return usbd_do_request(dev, &req, 0); |
349 | } |
350 | |
351 | usbd_status |
352 | usbd_set_report(struct usbd_interface *iface, int type, int id, void *data, |
353 | int len) |
354 | { |
355 | usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); |
356 | struct usbd_device *dev; |
357 | usb_device_request_t req; |
358 | |
359 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
360 | |
361 | DPRINTFN(4, "len=%d" , len, 0, 0, 0); |
362 | if (ifd == NULL) |
363 | return USBD_IOERROR; |
364 | usbd_interface2device_handle(iface, &dev); |
365 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
366 | req.bRequest = UR_SET_REPORT; |
367 | USETW2(req.wValue, type, id); |
368 | USETW(req.wIndex, ifd->bInterfaceNumber); |
369 | USETW(req.wLength, len); |
370 | return usbd_do_request(dev, &req, data); |
371 | } |
372 | |
373 | usbd_status |
374 | usbd_get_report(struct usbd_interface *iface, int type, int id, void *data, |
375 | int len) |
376 | { |
377 | usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); |
378 | struct usbd_device *dev; |
379 | usb_device_request_t req; |
380 | |
381 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
382 | |
383 | DPRINTFN(4, "len=%d" , len, 0, 0, 0); |
384 | if (ifd == NULL) |
385 | return USBD_IOERROR; |
386 | usbd_interface2device_handle(iface, &dev); |
387 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
388 | req.bRequest = UR_GET_REPORT; |
389 | USETW2(req.wValue, type, id); |
390 | USETW(req.wIndex, ifd->bInterfaceNumber); |
391 | USETW(req.wLength, len); |
392 | return usbd_do_request(dev, &req, data); |
393 | } |
394 | |
395 | usbd_status |
396 | usbd_set_idle(struct usbd_interface *iface, int duration, int id) |
397 | { |
398 | usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); |
399 | struct usbd_device *dev; |
400 | usb_device_request_t req; |
401 | |
402 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
403 | |
404 | DPRINTFN(4, "duration %d id %d" , duration, id, 0, 0); |
405 | if (ifd == NULL) |
406 | return USBD_IOERROR; |
407 | usbd_interface2device_handle(iface, &dev); |
408 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
409 | req.bRequest = UR_SET_IDLE; |
410 | USETW2(req.wValue, duration, id); |
411 | USETW(req.wIndex, ifd->bInterfaceNumber); |
412 | USETW(req.wLength, 0); |
413 | return usbd_do_request(dev, &req, 0); |
414 | } |
415 | |
416 | usbd_status |
417 | usbd_get_report_descriptor(struct usbd_device *dev, int ifcno, |
418 | int size, void *d) |
419 | { |
420 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
421 | usb_device_request_t req; |
422 | |
423 | DPRINTF("dev %p ifcno %d size %d" , dev, ifcno, size, 0); |
424 | req.bmRequestType = UT_READ_INTERFACE; |
425 | req.bRequest = UR_GET_DESCRIPTOR; |
426 | USETW2(req.wValue, UDESC_REPORT, 0); /* report id should be 0 */ |
427 | USETW(req.wIndex, ifcno); |
428 | USETW(req.wLength, size); |
429 | return usbd_do_request(dev, &req, d); |
430 | } |
431 | |
432 | usb_hid_descriptor_t * |
433 | usbd_get_hid_descriptor(struct usbd_interface *ifc) |
434 | { |
435 | usb_interface_descriptor_t *idesc = usbd_get_interface_descriptor(ifc); |
436 | struct usbd_device *dev; |
437 | usb_config_descriptor_t *cdesc; |
438 | usb_hid_descriptor_t *hd; |
439 | char *p, *end; |
440 | |
441 | if (idesc == NULL) |
442 | return NULL; |
443 | usbd_interface2device_handle(ifc, &dev); |
444 | cdesc = usbd_get_config_descriptor(dev); |
445 | |
446 | p = (char *)idesc + idesc->bLength; |
447 | end = (char *)cdesc + UGETW(cdesc->wTotalLength); |
448 | |
449 | for (; p < end; p += hd->bLength) { |
450 | hd = (usb_hid_descriptor_t *)p; |
451 | if (p + hd->bLength <= end && hd->bDescriptorType == UDESC_HID) |
452 | return hd; |
453 | if (hd->bDescriptorType == UDESC_INTERFACE) |
454 | break; |
455 | } |
456 | return NULL; |
457 | } |
458 | |
459 | usbd_status |
460 | usbd_read_report_desc(struct usbd_interface *ifc, void **descp, int *sizep) |
461 | { |
462 | usb_interface_descriptor_t *id; |
463 | usb_hid_descriptor_t *hid; |
464 | struct usbd_device *dev; |
465 | usbd_status err; |
466 | |
467 | usbd_interface2device_handle(ifc, &dev); |
468 | id = usbd_get_interface_descriptor(ifc); |
469 | if (id == NULL) |
470 | return USBD_INVAL; |
471 | hid = usbd_get_hid_descriptor(ifc); |
472 | if (hid == NULL) |
473 | return USBD_IOERROR; |
474 | *sizep = UGETW(hid->descrs[0].wDescriptorLength); |
475 | *descp = kmem_alloc(*sizep, KM_SLEEP); |
476 | if (*descp == NULL) |
477 | return USBD_NOMEM; |
478 | err = usbd_get_report_descriptor(dev, id->bInterfaceNumber, |
479 | *sizep, *descp); |
480 | if (err) { |
481 | kmem_free(*descp, *sizep); |
482 | *descp = NULL; |
483 | return err; |
484 | } |
485 | return USBD_NORMAL_COMPLETION; |
486 | } |
487 | |
488 | usbd_status |
489 | usbd_get_config(struct usbd_device *dev, uint8_t *conf) |
490 | { |
491 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
492 | usb_device_request_t req; |
493 | |
494 | DPRINTF("dev %p" , dev, 0, 0, 0); |
495 | req.bmRequestType = UT_READ_DEVICE; |
496 | req.bRequest = UR_GET_CONFIG; |
497 | USETW(req.wValue, 0); |
498 | USETW(req.wIndex, 0); |
499 | USETW(req.wLength, 1); |
500 | return usbd_do_request(dev, &req, conf); |
501 | } |
502 | |
503 | usbd_status |
504 | usbd_bulk_transfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe, |
505 | uint16_t flags, uint32_t timeout, void *buf, uint32_t *size) |
506 | { |
507 | usbd_status err; |
508 | |
509 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
510 | |
511 | usbd_setup_xfer(xfer, 0, buf, *size, flags, timeout, NULL); |
512 | DPRINTFN(1, "start transfer %d bytes" , *size, 0, 0, 0); |
513 | err = usbd_sync_transfer_sig(xfer); |
514 | |
515 | usbd_get_xfer_status(xfer, NULL, NULL, size, NULL); |
516 | DPRINTFN(1, "transferred %d" , *size, 0, 0, 0); |
517 | if (err) { |
518 | usbd_clear_endpoint_stall(pipe); |
519 | } |
520 | USBHIST_LOG(usbdebug, "<- done xfer %p err %d" , xfer, err, 0, 0); |
521 | |
522 | return err; |
523 | } |
524 | |
525 | usbd_status |
526 | usbd_intr_transfer(struct usbd_xfer *xfer, struct usbd_pipe *pipe, |
527 | uint16_t flags, uint32_t timeout, void *buf, uint32_t *size) |
528 | { |
529 | usbd_status err; |
530 | |
531 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
532 | |
533 | usbd_setup_xfer(xfer, 0, buf, *size, flags, timeout, NULL); |
534 | |
535 | DPRINTFN(1, "start transfer %d bytes" , *size, 0, 0, 0); |
536 | err = usbd_sync_transfer_sig(xfer); |
537 | |
538 | usbd_get_xfer_status(xfer, NULL, NULL, size, NULL); |
539 | |
540 | DPRINTFN(1, "transferred %d" , *size, 0, 0, 0); |
541 | if (err) { |
542 | usbd_clear_endpoint_stall(pipe); |
543 | } |
544 | USBHIST_LOG(usbdebug, "<- done xfer %p err %d" , xfer, err, 0, 0); |
545 | |
546 | return err; |
547 | } |
548 | |
549 | void |
550 | usb_detach_wait(device_t dv, kcondvar_t *cv, kmutex_t *lock) |
551 | { |
552 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
553 | |
554 | DPRINTFN(1, "waiting for dv %p" , dv, 0, 0, 0); |
555 | if (cv_timedwait(cv, lock, hz * 60)) // dv, PZERO, "usbdet", hz * 60 |
556 | printf("usb_detach_wait: %s didn't detach\n" , |
557 | device_xname(dv)); |
558 | DPRINTFN(1, "done" , 0, 0, 0, 0); |
559 | } |
560 | |
561 | void |
562 | usb_detach_broadcast(device_t dv, kcondvar_t *cv) |
563 | { |
564 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
565 | |
566 | DPRINTFN(1, "for dv %p" , dv, 0, 0, 0); |
567 | cv_broadcast(cv); |
568 | } |
569 | |
570 | void |
571 | usb_detach_waitold(device_t dv) |
572 | { |
573 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
574 | |
575 | DPRINTFN(1, "waiting for dv %p" , dv, 0, 0, 0); |
576 | if (tsleep(dv, PZERO, "usbdet" , hz * 60)) /* XXXSMP ok */ |
577 | printf("usb_detach_waitold: %s didn't detach\n" , |
578 | device_xname(dv)); |
579 | DPRINTFN(1, "done" , 0, 0, 0, 0); |
580 | } |
581 | |
582 | void |
583 | usb_detach_wakeupold(device_t dv) |
584 | { |
585 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
586 | |
587 | DPRINTFN(1, "for dv %p" , dv, 0, 0, 0); |
588 | wakeup(dv); /* XXXSMP ok */ |
589 | } |
590 | |
591 | const usb_cdc_descriptor_t * |
592 | usb_find_desc(struct usbd_device *dev, int type, int subtype) |
593 | { |
594 | usbd_desc_iter_t iter; |
595 | const usb_cdc_descriptor_t *desc; |
596 | |
597 | usb_desc_iter_init(dev, &iter); |
598 | for (;;) { |
599 | desc = (const usb_cdc_descriptor_t *)usb_desc_iter_next(&iter); |
600 | if (!desc || (desc->bDescriptorType == type && |
601 | (subtype == USBD_CDCSUBTYPE_ANY || |
602 | subtype == desc->bDescriptorSubtype))) |
603 | break; |
604 | } |
605 | return desc; |
606 | } |
607 | |
608 | /* same as usb_find_desc(), but searches only in the specified interface. */ |
609 | const usb_cdc_descriptor_t * |
610 | usb_find_desc_if(struct usbd_device *dev, int type, int subtype, |
611 | usb_interface_descriptor_t *id) |
612 | { |
613 | usbd_desc_iter_t iter; |
614 | const usb_cdc_descriptor_t *desc; |
615 | |
616 | if (id == NULL) |
617 | return usb_find_desc(dev, type, subtype); |
618 | |
619 | usb_desc_iter_init(dev, &iter); |
620 | |
621 | iter.cur = (void *)id; /* start from the interface desc */ |
622 | usb_desc_iter_next(&iter); /* and skip it */ |
623 | |
624 | while ((desc = (const usb_cdc_descriptor_t *)usb_desc_iter_next(&iter)) |
625 | != NULL) { |
626 | if (desc->bDescriptorType == UDESC_INTERFACE) { |
627 | /* we ran into the next interface --- not found */ |
628 | return NULL; |
629 | } |
630 | if (desc->bDescriptorType == type && |
631 | (subtype == USBD_CDCSUBTYPE_ANY || |
632 | subtype == desc->bDescriptorSubtype)) |
633 | break; |
634 | } |
635 | return desc; |
636 | } |
637 | |