Annotation of src/sys/dev/usb/usbdi.c, Revision 1.103.8.1
1.103.8.1! tron 1: /* $NetBSD$ */
1.51 augustss 2: /* $FreeBSD: src/sys/dev/usb/usbdi.c,v 1.28 1999/11/17 22:33:49 n_hibma Exp $ */
1.1 augustss 3:
4: /*
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
1.11 augustss 8: * This code is derived from software contributed to The NetBSD Foundation
1.72 augustss 9: * by Lennart Augustsson (lennart@augustsson.net) at
1.11 augustss 10: * Carlstedt Research & Technology.
1.1 augustss 11: *
12: * Redistribution and use in source and binary forms, with or without
13: * modification, are permitted provided that the following conditions
14: * are met:
15: * 1. Redistributions of source code must retain the above copyright
16: * notice, this list of conditions and the following disclaimer.
17: * 2. Redistributions in binary form must reproduce the above copyright
18: * notice, this list of conditions and the following disclaimer in the
19: * documentation and/or other materials provided with the distribution.
20: * 3. All advertising materials mentioning features or use of this software
21: * must display the following acknowledgement:
22: * This product includes software developed by the NetBSD
23: * Foundation, Inc. and its contributors.
24: * 4. Neither the name of The NetBSD Foundation nor the names of its
25: * contributors may be used to endorse or promote products derived
26: * from this software without specific prior written permission.
27: *
28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38: * POSSIBILITY OF SUCH DAMAGE.
39: */
1.84 lukem 40:
41: #include <sys/cdefs.h>
1.103.8.1! tron 42: __KERNEL_RCSID(0, "$NetBSD$");
1.1 augustss 43:
44: #include <sys/param.h>
45: #include <sys/systm.h>
1.51 augustss 46: #if defined(__NetBSD__) || defined(__OpenBSD__)
1.1 augustss 47: #include <sys/kernel.h>
1.15 augustss 48: #include <sys/device.h>
1.45 augustss 49: #elif defined(__FreeBSD__)
1.15 augustss 50: #include <sys/module.h>
51: #include <sys/bus.h>
52: #include <sys/conf.h>
1.45 augustss 53: #include "usb_if.h"
1.51 augustss 54: #if defined(DIAGNOSTIC) && defined(__i386__)
55: #include <machine/cpu.h>
56: #endif
1.15 augustss 57: #endif
1.1 augustss 58: #include <sys/malloc.h>
59: #include <sys/proc.h>
60:
1.36 augustss 61: #include <machine/bus.h>
62:
1.1 augustss 63: #include <dev/usb/usb.h>
64: #include <dev/usb/usbdi.h>
65: #include <dev/usb/usbdi_util.h>
66: #include <dev/usb/usbdivar.h>
1.36 augustss 67: #include <dev/usb/usb_mem.h>
1.1 augustss 68:
1.51 augustss 69: #if defined(__FreeBSD__)
70: #include "usb_if.h"
71: #endif
72:
1.1 augustss 73: #ifdef USB_DEBUG
1.27 augustss 74: #define DPRINTF(x) if (usbdebug) logprintf x
75: #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x
1.1 augustss 76: extern int usbdebug;
77: #else
78: #define DPRINTF(x)
79: #define DPRINTFN(n,x)
80: #endif
81:
1.74 augustss 82: Static usbd_status usbd_ar_pipe(usbd_pipe_handle pipe);
1.102 augustss 83: Static void usbd_do_request_async_cb
1.87 augustss 84: (usbd_xfer_handle, usbd_private_handle, usbd_status);
1.74 augustss 85: Static void usbd_start_next(usbd_pipe_handle pipe);
1.69 augustss 86: Static usbd_status usbd_open_pipe_ival
1.87 augustss 87: (usbd_interface_handle, u_int8_t, u_int8_t, usbd_pipe_handle *, int);
1.1 augustss 88:
1.69 augustss 89: Static int usbd_nbuses = 0;
1.45 augustss 90:
91: void
1.74 augustss 92: usbd_init(void)
1.45 augustss 93: {
94: usbd_nbuses++;
95: }
96:
97: void
1.74 augustss 98: usbd_finish(void)
1.45 augustss 99: {
1.58 augustss 100: --usbd_nbuses;
1.45 augustss 101: }
1.15 augustss 102:
1.75 augustss 103: static __inline int
1.74 augustss 104: usbd_xfer_isread(usbd_xfer_handle xfer)
1.37 augustss 105: {
1.48 augustss 106: if (xfer->rqflags & URQ_REQUEST)
107: return (xfer->request.bmRequestType & UT_READ);
1.37 augustss 108: else
1.48 augustss 109: return (xfer->pipe->endpoint->edesc->bEndpointAddress &
1.37 augustss 110: UE_DIR_IN);
111: }
112:
1.28 augustss 113: #ifdef USB_DEBUG
1.82 augustss 114: void
115: usbd_dump_iface(struct usbd_interface *iface)
116: {
117: printf("usbd_dump_iface: iface=%p\n", iface);
118: if (iface == NULL)
119: return;
120: printf(" device=%p idesc=%p index=%d altindex=%d priv=%p\n",
121: iface->device, iface->idesc, iface->index, iface->altindex,
122: iface->priv);
123: }
124:
125: void
126: usbd_dump_device(struct usbd_device *dev)
127: {
128: printf("usbd_dump_device: dev=%p\n", dev);
129: if (dev == NULL)
130: return;
131: printf(" bus=%p default_pipe=%p\n", dev->bus, dev->default_pipe);
1.86 augustss 132: printf(" address=%d config=%d depth=%d speed=%d self_powered=%d "
133: "power=%d langid=%d\n",
134: dev->address, dev->config, dev->depth, dev->speed,
1.82 augustss 135: dev->self_powered, dev->power, dev->langid);
136: }
137:
138: void
139: usbd_dump_endpoint(struct usbd_endpoint *endp)
140: {
141: printf("usbd_dump_endpoint: endp=%p\n", endp);
142: if (endp == NULL)
143: return;
144: printf(" edesc=%p refcnt=%d\n", endp->edesc, endp->refcnt);
145: if (endp->edesc)
146: printf(" bEndpointAddress=0x%02x\n",
147: endp->edesc->bEndpointAddress);
148: }
149:
1.28 augustss 150: void
1.74 augustss 151: usbd_dump_queue(usbd_pipe_handle pipe)
1.28 augustss 152: {
1.48 augustss 153: usbd_xfer_handle xfer;
1.28 augustss 154:
155: printf("usbd_dump_queue: pipe=%p\n", pipe);
1.101 lukem 156: SIMPLEQ_FOREACH(xfer, &pipe->queue, next) {
1.48 augustss 157: printf(" xfer=%p\n", xfer);
1.28 augustss 158: }
1.82 augustss 159: }
160:
161: void
162: usbd_dump_pipe(usbd_pipe_handle pipe)
163: {
164: printf("usbd_dump_pipe: pipe=%p\n", pipe);
165: if (pipe == NULL)
166: return;
167: usbd_dump_iface(pipe->iface);
168: usbd_dump_device(pipe->device);
169: usbd_dump_endpoint(pipe->endpoint);
170: printf(" (usbd_dump_pipe:)\n refcnt=%d running=%d aborting=%d\n",
171: pipe->refcnt, pipe->running, pipe->aborting);
1.88 augustss 172: printf(" intrxfer=%p, repeat=%d, interval=%d\n",
1.82 augustss 173: pipe->intrxfer, pipe->repeat, pipe->interval);
1.28 augustss 174: }
175: #endif
176:
1.102 augustss 177: usbd_status
1.74 augustss 178: usbd_open_pipe(usbd_interface_handle iface, u_int8_t address,
179: u_int8_t flags, usbd_pipe_handle *pipe)
1.102 augustss 180: {
181: return (usbd_open_pipe_ival(iface, address, flags, pipe,
1.60 augustss 182: USBD_DEFAULT_INTERVAL));
183: }
184:
1.102 augustss 185: usbd_status
1.74 augustss 186: usbd_open_pipe_ival(usbd_interface_handle iface, u_int8_t address,
187: u_int8_t flags, usbd_pipe_handle *pipe, int ival)
1.102 augustss 188: {
1.1 augustss 189: usbd_pipe_handle p;
190: struct usbd_endpoint *ep;
1.48 augustss 191: usbd_status err;
1.12 augustss 192: int i;
1.1 augustss 193:
1.57 augustss 194: DPRINTFN(3,("usbd_open_pipe: iface=%p address=0x%x flags=0x%x\n",
195: iface, address, flags));
1.53 augustss 196:
1.1 augustss 197: for (i = 0; i < iface->idesc->bNumEndpoints; i++) {
198: ep = &iface->endpoints[i];
1.49 augustss 199: if (ep->edesc == NULL)
200: return (USBD_IOERROR);
1.1 augustss 201: if (ep->edesc->bEndpointAddress == address)
202: goto found;
203: }
204: return (USBD_BAD_ADDRESS);
205: found:
1.60 augustss 206: if ((flags & USBD_EXCLUSIVE_USE) && ep->refcnt != 0)
1.1 augustss 207: return (USBD_IN_USE);
1.60 augustss 208: err = usbd_setup_pipe(iface->device, iface, ep, ival, &p);
1.48 augustss 209: if (err)
210: return (err);
1.1 augustss 211: LIST_INSERT_HEAD(&iface->pipes, p, next);
212: *pipe = p;
213: return (USBD_NORMAL_COMPLETION);
214: }
215:
1.102 augustss 216: usbd_status
1.74 augustss 217: usbd_open_pipe_intr(usbd_interface_handle iface, u_int8_t address,
218: u_int8_t flags, usbd_pipe_handle *pipe,
219: usbd_private_handle priv, void *buffer, u_int32_t len,
220: usbd_callback cb, int ival)
1.1 augustss 221: {
1.48 augustss 222: usbd_status err;
223: usbd_xfer_handle xfer;
1.1 augustss 224: usbd_pipe_handle ipipe;
225:
1.60 augustss 226: DPRINTFN(3,("usbd_open_pipe_intr: address=0x%x flags=0x%x len=%d\n",
227: address, flags, len));
1.53 augustss 228:
1.102 augustss 229: err = usbd_open_pipe_ival(iface, address, USBD_EXCLUSIVE_USE,
1.60 augustss 230: &ipipe, ival);
1.48 augustss 231: if (err)
232: return (err);
1.50 augustss 233: xfer = usbd_alloc_xfer(iface->device);
1.48 augustss 234: if (xfer == NULL) {
235: err = USBD_NOMEM;
1.1 augustss 236: goto bad1;
1.36 augustss 237: }
1.60 augustss 238: usbd_setup_xfer(xfer, ipipe, priv, buffer, len, flags,
239: USBD_NO_TIMEOUT, cb);
1.48 augustss 240: ipipe->intrxfer = xfer;
1.25 augustss 241: ipipe->repeat = 1;
1.48 augustss 242: err = usbd_transfer(xfer);
1.1 augustss 243: *pipe = ipipe;
1.48 augustss 244: if (err != USBD_IN_PROGRESS)
1.36 augustss 245: goto bad2;
1.1 augustss 246: return (USBD_NORMAL_COMPLETION);
247:
1.36 augustss 248: bad2:
1.48 augustss 249: ipipe->intrxfer = NULL;
1.25 augustss 250: ipipe->repeat = 0;
1.50 augustss 251: usbd_free_xfer(xfer);
1.36 augustss 252: bad1:
1.1 augustss 253: usbd_close_pipe(ipipe);
1.48 augustss 254: return (err);
1.9 augustss 255: }
256:
1.1 augustss 257: usbd_status
1.74 augustss 258: usbd_close_pipe(usbd_pipe_handle pipe)
1.1 augustss 259: {
1.26 augustss 260: #ifdef DIAGNOSTIC
1.48 augustss 261: if (pipe == NULL) {
1.26 augustss 262: printf("usbd_close_pipe: pipe==NULL\n");
263: return (USBD_NORMAL_COMPLETION);
264: }
265: #endif
266:
1.1 augustss 267: if (--pipe->refcnt != 0)
268: return (USBD_NORMAL_COMPLETION);
1.101 lukem 269: if (! SIMPLEQ_EMPTY(&pipe->queue))
1.1 augustss 270: return (USBD_PENDING_REQUESTS);
271: LIST_REMOVE(pipe, next);
272: pipe->endpoint->refcnt--;
273: pipe->methods->close(pipe);
1.48 augustss 274: if (pipe->intrxfer != NULL)
1.50 augustss 275: usbd_free_xfer(pipe->intrxfer);
1.1 augustss 276: free(pipe, M_USB);
277: return (USBD_NORMAL_COMPLETION);
278: }
279:
1.31 augustss 280: usbd_status
1.74 augustss 281: usbd_transfer(usbd_xfer_handle xfer)
1.1 augustss 282: {
1.48 augustss 283: usbd_pipe_handle pipe = xfer->pipe;
284: usb_dma_t *dmap = &xfer->dmabuf;
285: usbd_status err;
1.37 augustss 286: u_int size;
1.31 augustss 287: int s;
1.16 augustss 288:
1.48 augustss 289: DPRINTFN(5,("usbd_transfer: xfer=%p, flags=%d, pipe=%p, running=%d\n",
290: xfer, xfer->flags, pipe, pipe->running));
1.28 augustss 291: #ifdef USB_DEBUG
292: if (usbdebug > 5)
293: usbd_dump_queue(pipe);
294: #endif
1.48 augustss 295: xfer->done = 0;
1.31 augustss 296:
1.71 augustss 297: if (pipe->aborting)
298: return (USBD_CANCELLED);
299:
1.48 augustss 300: size = xfer->length;
1.38 augustss 301: /* If there is no buffer, allocate one. */
1.48 augustss 302: if (!(xfer->rqflags & URQ_DEV_DMABUF) && size != 0) {
1.37 augustss 303: struct usbd_bus *bus = pipe->device->bus;
304:
305: #ifdef DIAGNOSTIC
1.48 augustss 306: if (xfer->rqflags & URQ_AUTO_DMABUF)
1.37 augustss 307: printf("usbd_transfer: has old buffer!\n");
308: #endif
1.48 augustss 309: err = bus->methods->allocm(bus, dmap, size);
310: if (err)
311: return (err);
312: xfer->rqflags |= URQ_AUTO_DMABUF;
1.38 augustss 313: }
1.37 augustss 314:
1.38 augustss 315: /* Copy data if going out. */
1.102 augustss 316: if (!(xfer->flags & USBD_NO_COPY) && size != 0 &&
1.48 augustss 317: !usbd_xfer_isread(xfer))
1.100 augustss 318: memcpy(KERNADDR(dmap, 0), xfer->buffer, size);
1.37 augustss 319:
1.48 augustss 320: err = pipe->methods->transfer(xfer);
1.37 augustss 321:
1.51 augustss 322: if (err != USBD_IN_PROGRESS && err) {
1.37 augustss 323: /* The transfer has not been queued, so free buffer. */
1.48 augustss 324: if (xfer->rqflags & URQ_AUTO_DMABUF) {
1.37 augustss 325: struct usbd_bus *bus = pipe->device->bus;
326:
1.48 augustss 327: bus->methods->freem(bus, &xfer->dmabuf);
328: xfer->rqflags &= ~URQ_AUTO_DMABUF;
1.37 augustss 329: }
330: }
331:
1.48 augustss 332: if (!(xfer->flags & USBD_SYNCHRONOUS))
333: return (err);
1.31 augustss 334:
335: /* Sync transfer, wait for completion. */
1.48 augustss 336: if (err != USBD_IN_PROGRESS)
337: return (err);
1.31 augustss 338: s = splusb();
1.48 augustss 339: if (!xfer->done) {
1.37 augustss 340: if (pipe->device->bus->use_polling)
1.103 provos 341: panic("usbd_transfer: not done");
1.80 augustss 342: tsleep(xfer, PRIBIO, "usbsyn", 0);
1.31 augustss 343: }
344: splx(s);
1.48 augustss 345: return (xfer->status);
1.31 augustss 346: }
347:
348: /* Like usbd_transfer(), but waits for completion. */
349: usbd_status
1.74 augustss 350: usbd_sync_transfer(usbd_xfer_handle xfer)
1.31 augustss 351: {
1.48 augustss 352: xfer->flags |= USBD_SYNCHRONOUS;
353: return (usbd_transfer(xfer));
1.16 augustss 354: }
355:
1.36 augustss 356: void *
1.74 augustss 357: usbd_alloc_buffer(usbd_xfer_handle xfer, u_int32_t size)
1.36 augustss 358: {
1.48 augustss 359: struct usbd_bus *bus = xfer->device->bus;
360: usbd_status err;
1.37 augustss 361:
1.92 augustss 362: #ifdef DIAGNOSTIC
363: if (xfer->rqflags & (URQ_DEV_DMABUF | URQ_AUTO_DMABUF))
364: printf("usbd_alloc_buffer: xfer already has a buffer\n");
365: #endif
1.48 augustss 366: err = bus->methods->allocm(bus, &xfer->dmabuf, size);
367: if (err)
1.92 augustss 368: return (NULL);
1.48 augustss 369: xfer->rqflags |= URQ_DEV_DMABUF;
1.100 augustss 370: return (KERNADDR(&xfer->dmabuf, 0));
1.36 augustss 371: }
372:
373: void
1.74 augustss 374: usbd_free_buffer(usbd_xfer_handle xfer)
1.36 augustss 375: {
1.37 augustss 376: #ifdef DIAGNOSTIC
1.48 augustss 377: if (!(xfer->rqflags & (URQ_DEV_DMABUF | URQ_AUTO_DMABUF))) {
1.37 augustss 378: printf("usbd_free_buffer: no buffer\n");
379: return;
380: }
381: #endif
1.48 augustss 382: xfer->rqflags &= ~(URQ_DEV_DMABUF | URQ_AUTO_DMABUF);
383: xfer->device->bus->methods->freem(xfer->device->bus, &xfer->dmabuf);
1.36 augustss 384: }
385:
1.38 augustss 386: void *
1.74 augustss 387: usbd_get_buffer(usbd_xfer_handle xfer)
1.38 augustss 388: {
1.48 augustss 389: if (!(xfer->rqflags & URQ_DEV_DMABUF))
1.38 augustss 390: return (0);
1.100 augustss 391: return (KERNADDR(&xfer->dmabuf, 0));
1.38 augustss 392: }
393:
1.102 augustss 394: usbd_xfer_handle
1.74 augustss 395: usbd_alloc_xfer(usbd_device_handle dev)
1.1 augustss 396: {
1.48 augustss 397: usbd_xfer_handle xfer;
1.1 augustss 398:
1.58 augustss 399: xfer = dev->bus->methods->allocx(dev->bus);
1.48 augustss 400: if (xfer == NULL)
1.58 augustss 401: return (NULL);
1.48 augustss 402: xfer->device = dev;
1.68 augustss 403: usb_callout_init(xfer->timeout_handle);
1.50 augustss 404: DPRINTFN(5,("usbd_alloc_xfer() = %p\n", xfer));
1.48 augustss 405: return (xfer);
1.1 augustss 406: }
407:
1.102 augustss 408: usbd_status
1.74 augustss 409: usbd_free_xfer(usbd_xfer_handle xfer)
1.1 augustss 410: {
1.50 augustss 411: DPRINTFN(5,("usbd_free_xfer: %p\n", xfer));
1.48 augustss 412: if (xfer->rqflags & (URQ_DEV_DMABUF | URQ_AUTO_DMABUF))
413: usbd_free_buffer(xfer);
1.66 thorpej 414: #if defined(__NetBSD__) && defined(DIAGNOSTIC)
1.68 augustss 415: if (callout_pending(&xfer->timeout_handle)) {
416: callout_stop(&xfer->timeout_handle);
417: printf("usbd_free_xfer: timout_handle pending");
418: }
1.66 thorpej 419: #endif
1.58 augustss 420: xfer->device->bus->methods->freex(xfer->device->bus, xfer);
1.1 augustss 421: return (USBD_NORMAL_COMPLETION);
422: }
423:
1.36 augustss 424: void
1.74 augustss 425: usbd_setup_xfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
426: usbd_private_handle priv, void *buffer, u_int32_t length,
427: u_int16_t flags, u_int32_t timeout,
428: usbd_callback callback)
1.1 augustss 429: {
1.48 augustss 430: xfer->pipe = pipe;
431: xfer->priv = priv;
432: xfer->buffer = buffer;
433: xfer->length = length;
434: xfer->actlen = 0;
435: xfer->flags = flags;
436: xfer->timeout = timeout;
437: xfer->status = USBD_NOT_STARTED;
438: xfer->callback = callback;
439: xfer->rqflags &= ~URQ_REQUEST;
440: xfer->nframes = 0;
1.1 augustss 441: }
442:
1.36 augustss 443: void
1.74 augustss 444: usbd_setup_default_xfer(usbd_xfer_handle xfer, usbd_device_handle dev,
445: usbd_private_handle priv, u_int32_t timeout,
446: usb_device_request_t *req, void *buffer,
447: u_int32_t length, u_int16_t flags,
448: usbd_callback callback)
1.1 augustss 449: {
1.48 augustss 450: xfer->pipe = dev->default_pipe;
451: xfer->priv = priv;
452: xfer->buffer = buffer;
453: xfer->length = length;
454: xfer->actlen = 0;
455: xfer->flags = flags;
456: xfer->timeout = timeout;
457: xfer->status = USBD_NOT_STARTED;
458: xfer->callback = callback;
459: xfer->request = *req;
460: xfer->rqflags |= URQ_REQUEST;
461: xfer->nframes = 0;
1.36 augustss 462: }
463:
464: void
1.74 augustss 465: usbd_setup_isoc_xfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
466: usbd_private_handle priv, u_int16_t *frlengths,
467: u_int32_t nframes, u_int16_t flags, usbd_callback callback)
1.36 augustss 468: {
1.48 augustss 469: xfer->pipe = pipe;
470: xfer->priv = priv;
471: xfer->buffer = 0;
472: xfer->length = 0;
473: xfer->actlen = 0;
474: xfer->flags = flags;
475: xfer->timeout = USBD_NO_TIMEOUT;
476: xfer->status = USBD_NOT_STARTED;
477: xfer->callback = callback;
478: xfer->rqflags &= ~URQ_REQUEST;
479: xfer->frlengths = frlengths;
480: xfer->nframes = nframes;
1.1 augustss 481: }
482:
1.31 augustss 483: void
1.74 augustss 484: usbd_get_xfer_status(usbd_xfer_handle xfer, usbd_private_handle *priv,
485: void **buffer, u_int32_t *count, usbd_status *status)
1.1 augustss 486: {
1.48 augustss 487: if (priv != NULL)
488: *priv = xfer->priv;
489: if (buffer != NULL)
490: *buffer = xfer->buffer;
491: if (count != NULL)
492: *count = xfer->actlen;
493: if (status != NULL)
494: *status = xfer->status;
1.1 augustss 495: }
496:
497: usb_config_descriptor_t *
1.74 augustss 498: usbd_get_config_descriptor(usbd_device_handle dev)
1.1 augustss 499: {
1.53 augustss 500: #ifdef DIAGNOSTIC
501: if (dev == NULL) {
502: printf("usbd_get_config_descriptor: dev == NULL\n");
503: return (NULL);
504: }
505: #endif
1.1 augustss 506: return (dev->cdesc);
507: }
508:
509: usb_interface_descriptor_t *
1.74 augustss 510: usbd_get_interface_descriptor(usbd_interface_handle iface)
1.1 augustss 511: {
1.53 augustss 512: #ifdef DIAGNOSTIC
513: if (iface == NULL) {
514: printf("usbd_get_interface_descriptor: dev == NULL\n");
515: return (NULL);
516: }
517: #endif
1.1 augustss 518: return (iface->idesc);
519: }
520:
521: usb_device_descriptor_t *
1.74 augustss 522: usbd_get_device_descriptor(usbd_device_handle dev)
1.1 augustss 523: {
524: return (&dev->ddesc);
525: }
526:
527: usb_endpoint_descriptor_t *
1.74 augustss 528: usbd_interface2endpoint_descriptor(usbd_interface_handle iface, u_int8_t index)
1.1 augustss 529: {
530: if (index >= iface->idesc->bNumEndpoints)
1.12 augustss 531: return (0);
1.1 augustss 532: return (iface->endpoints[index].edesc);
533: }
534:
1.102 augustss 535: usbd_status
1.74 augustss 536: usbd_abort_pipe(usbd_pipe_handle pipe)
1.1 augustss 537: {
1.48 augustss 538: usbd_status err;
1.24 augustss 539: int s;
1.1 augustss 540:
1.26 augustss 541: #ifdef DIAGNOSTIC
1.48 augustss 542: if (pipe == NULL) {
1.26 augustss 543: printf("usbd_close_pipe: pipe==NULL\n");
544: return (USBD_NORMAL_COMPLETION);
545: }
546: #endif
1.1 augustss 547: s = splusb();
1.48 augustss 548: err = usbd_ar_pipe(pipe);
1.1 augustss 549: splx(s);
1.48 augustss 550: return (err);
1.1 augustss 551: }
1.102 augustss 552:
553: usbd_status
1.74 augustss 554: usbd_clear_endpoint_stall(usbd_pipe_handle pipe)
1.1 augustss 555: {
556: usbd_device_handle dev = pipe->device;
557: usb_device_request_t req;
1.48 augustss 558: usbd_status err;
1.1 augustss 559:
1.22 augustss 560: DPRINTFN(8, ("usbd_clear_endpoint_stall\n"));
1.33 augustss 561:
1.102 augustss 562: /*
1.87 augustss 563: * Clearing en endpoint stall resets the endpoint toggle, so
1.33 augustss 564: * do the same to the HC toggle.
565: */
1.30 augustss 566: pipe->methods->cleartoggle(pipe);
1.33 augustss 567:
1.1 augustss 568: req.bmRequestType = UT_WRITE_ENDPOINT;
569: req.bRequest = UR_CLEAR_FEATURE;
1.15 augustss 570: USETW(req.wValue, UF_ENDPOINT_HALT);
1.7 augustss 571: USETW(req.wIndex, pipe->endpoint->edesc->bEndpointAddress);
1.1 augustss 572: USETW(req.wLength, 0);
1.48 augustss 573: err = usbd_do_request(dev, &req, 0);
1.1 augustss 574: #if 0
575: XXX should we do this?
1.51 augustss 576: if (!err) {
1.1 augustss 577: pipe->state = USBD_PIPE_ACTIVE;
578: /* XXX activate pipe */
579: }
580: #endif
1.48 augustss 581: return (err);
1.1 augustss 582: }
583:
1.102 augustss 584: usbd_status
1.74 augustss 585: usbd_clear_endpoint_stall_async(usbd_pipe_handle pipe)
1.7 augustss 586: {
587: usbd_device_handle dev = pipe->device;
588: usb_device_request_t req;
1.48 augustss 589: usbd_status err;
1.7 augustss 590:
1.30 augustss 591: pipe->methods->cleartoggle(pipe);
1.33 augustss 592:
1.7 augustss 593: req.bmRequestType = UT_WRITE_ENDPOINT;
594: req.bRequest = UR_CLEAR_FEATURE;
1.15 augustss 595: USETW(req.wValue, UF_ENDPOINT_HALT);
1.7 augustss 596: USETW(req.wIndex, pipe->endpoint->edesc->bEndpointAddress);
597: USETW(req.wLength, 0);
1.48 augustss 598: err = usbd_do_request_async(dev, &req, 0);
599: return (err);
1.7 augustss 600: }
601:
1.61 augustss 602: void
1.74 augustss 603: usbd_clear_endpoint_toggle(usbd_pipe_handle pipe)
1.61 augustss 604: {
605: pipe->methods->cleartoggle(pipe);
606: }
607:
1.102 augustss 608: usbd_status
1.74 augustss 609: usbd_endpoint_count(usbd_interface_handle iface, u_int8_t *count)
1.1 augustss 610: {
1.73 augustss 611: #ifdef DIAGNOSTIC
612: if (iface == NULL || iface->idesc == NULL) {
613: printf("usbd_endpoint_count: NULL pointer\n");
614: return (USBD_INVAL);
615: }
616: #endif
1.1 augustss 617: *count = iface->idesc->bNumEndpoints;
618: return (USBD_NORMAL_COMPLETION);
619: }
620:
1.102 augustss 621: usbd_status
1.74 augustss 622: usbd_interface_count(usbd_device_handle dev, u_int8_t *count)
1.1 augustss 623: {
1.48 augustss 624: if (dev->cdesc == NULL)
1.1 augustss 625: return (USBD_NOT_CONFIGURED);
626: *count = dev->cdesc->bNumInterface;
627: return (USBD_NORMAL_COMPLETION);
628: }
629:
1.85 augustss 630: void
1.74 augustss 631: usbd_interface2device_handle(usbd_interface_handle iface,
632: usbd_device_handle *dev)
1.1 augustss 633: {
634: *dev = iface->device;
635: }
636:
1.102 augustss 637: usbd_status
1.74 augustss 638: usbd_device2interface_handle(usbd_device_handle dev,
639: u_int8_t ifaceno, usbd_interface_handle *iface)
1.1 augustss 640: {
1.48 augustss 641: if (dev->cdesc == NULL)
1.1 augustss 642: return (USBD_NOT_CONFIGURED);
643: if (ifaceno >= dev->cdesc->bNumInterface)
644: return (USBD_INVAL);
645: *iface = &dev->ifaces[ifaceno];
646: return (USBD_NORMAL_COMPLETION);
647: }
648:
1.36 augustss 649: usbd_device_handle
1.74 augustss 650: usbd_pipe2device_handle(usbd_pipe_handle pipe)
1.36 augustss 651: {
652: return (pipe->device);
653: }
654:
1.13 augustss 655: /* XXXX use altno */
1.3 augustss 656: usbd_status
1.74 augustss 657: usbd_set_interface(usbd_interface_handle iface, int altidx)
1.3 augustss 658: {
659: usb_device_request_t req;
1.48 augustss 660: usbd_status err;
1.73 augustss 661: void *endpoints;
1.13 augustss 662:
663: if (LIST_FIRST(&iface->pipes) != 0)
664: return (USBD_IN_USE);
665:
1.76 augustss 666: endpoints = iface->endpoints;
1.48 augustss 667: err = usbd_fill_iface_data(iface->device, iface->index, altidx);
668: if (err)
669: return (err);
1.73 augustss 670:
1.76 augustss 671: /* new setting works, we can free old endpoints */
1.73 augustss 672: if (endpoints != NULL)
673: free(endpoints, M_USB);
674:
675: #ifdef DIAGNOSTIC
676: if (iface->idesc == NULL) {
677: printf("usbd_set_interface: NULL pointer\n");
678: return (USBD_INVAL);
679: }
680: #endif
1.3 augustss 681:
682: req.bmRequestType = UT_WRITE_INTERFACE;
683: req.bRequest = UR_SET_INTERFACE;
1.13 augustss 684: USETW(req.wValue, iface->idesc->bAlternateSetting);
1.16 augustss 685: USETW(req.wIndex, iface->idesc->bInterfaceNumber);
1.3 augustss 686: USETW(req.wLength, 0);
1.48 augustss 687: return (usbd_do_request(iface->device, &req, 0));
1.12 augustss 688: }
689:
690: int
1.74 augustss 691: usbd_get_no_alts(usb_config_descriptor_t *cdesc, int ifaceno)
1.12 augustss 692: {
1.13 augustss 693: char *p = (char *)cdesc;
694: char *end = p + UGETW(cdesc->wTotalLength);
1.12 augustss 695: usb_interface_descriptor_t *d;
696: int n;
697:
698: for (n = 0; p < end; p += d->bLength) {
699: d = (usb_interface_descriptor_t *)p;
1.102 augustss 700: if (p + d->bLength <= end &&
1.12 augustss 701: d->bDescriptorType == UDESC_INTERFACE &&
1.13 augustss 702: d->bInterfaceNumber == ifaceno)
1.12 augustss 703: n++;
704: }
705: return (n);
1.13 augustss 706: }
707:
708: int
1.74 augustss 709: usbd_get_interface_altindex(usbd_interface_handle iface)
1.13 augustss 710: {
711: return (iface->altindex);
1.12 augustss 712: }
713:
714: usbd_status
1.74 augustss 715: usbd_get_interface(usbd_interface_handle iface, u_int8_t *aiface)
1.12 augustss 716: {
717: usb_device_request_t req;
718:
719: req.bmRequestType = UT_READ_INTERFACE;
720: req.bRequest = UR_GET_INTERFACE;
721: USETW(req.wValue, 0);
1.16 augustss 722: USETW(req.wIndex, iface->idesc->bInterfaceNumber);
1.12 augustss 723: USETW(req.wLength, 1);
1.48 augustss 724: return (usbd_do_request(iface->device, &req, aiface));
1.3 augustss 725: }
1.1 augustss 726:
727: /*** Internal routines ***/
728:
729: /* Dequeue all pipe operations, called at splusb(). */
1.69 augustss 730: Static usbd_status
1.74 augustss 731: usbd_ar_pipe(usbd_pipe_handle pipe)
1.1 augustss 732: {
1.48 augustss 733: usbd_xfer_handle xfer;
1.1 augustss 734:
1.40 augustss 735: SPLUSBCHECK;
736:
1.25 augustss 737: DPRINTFN(2,("usbd_ar_pipe: pipe=%p\n", pipe));
1.28 augustss 738: #ifdef USB_DEBUG
739: if (usbdebug > 5)
740: usbd_dump_queue(pipe);
741: #endif
1.47 augustss 742: pipe->repeat = 0;
1.71 augustss 743: pipe->aborting = 1;
1.48 augustss 744: while ((xfer = SIMPLEQ_FIRST(&pipe->queue)) != NULL) {
1.102 augustss 745: DPRINTFN(2,("usbd_ar_pipe: pipe=%p xfer=%p (methods=%p)\n",
1.48 augustss 746: pipe, xfer, pipe->methods));
1.28 augustss 747: /* Make the HC abort it (and invoke the callback). */
1.48 augustss 748: pipe->methods->abort(xfer);
1.33 augustss 749: /* XXX only for non-0 usbd_clear_endpoint_stall(pipe); */
1.20 augustss 750: }
1.71 augustss 751: pipe->aborting = 0;
1.1 augustss 752: return (USBD_NORMAL_COMPLETION);
753: }
754:
1.40 augustss 755: /* Called at splusb() */
1.31 augustss 756: void
1.74 augustss 757: usb_transfer_complete(usbd_xfer_handle xfer)
1.1 augustss 758: {
1.48 augustss 759: usbd_pipe_handle pipe = xfer->pipe;
760: usb_dma_t *dmap = &xfer->dmabuf;
1.103.8.1! tron 761: int sync = xfer->flags & USBD_SYNCHRONOUS;
! 762: int erred = xfer->status == USBD_CANCELLED ||
! 763: xfer->status == USBD_TIMEOUT;
1.47 augustss 764: int repeat = pipe->repeat;
1.31 augustss 765: int polling;
766:
1.40 augustss 767: SPLUSBCHECK;
768:
1.48 augustss 769: DPRINTFN(5, ("usb_transfer_complete: pipe=%p xfer=%p status=%d "
770: "actlen=%d\n", pipe, xfer, xfer->status, xfer->actlen));
1.93 augustss 771: #ifdef DIAGNOSTIC
772: if (xfer->busy_free != XFER_ONQU) {
773: printf("usb_transfer_complete: xfer=%p not busy 0x%08x\n",
774: xfer, xfer->busy_free);
775: return;
776: }
777: #endif
1.5 augustss 778:
1.23 augustss 779: #ifdef DIAGNOSTIC
1.48 augustss 780: if (pipe == NULL) {
781: printf("usbd_transfer_cb: pipe==0, xfer=%p\n", xfer);
1.31 augustss 782: return;
783: }
1.23 augustss 784: #endif
1.37 augustss 785: polling = pipe->device->bus->use_polling;
1.31 augustss 786: /* XXXX */
787: if (polling)
788: pipe->running = 0;
789:
1.48 augustss 790: if (!(xfer->flags & USBD_NO_COPY) && xfer->actlen != 0 &&
791: usbd_xfer_isread(xfer)) {
1.43 augustss 792: #ifdef DIAGNOSTIC
1.48 augustss 793: if (xfer->actlen > xfer->length) {
1.43 augustss 794: printf("usb_transfer_complete: actlen > len %d > %d\n",
1.48 augustss 795: xfer->actlen, xfer->length);
796: xfer->actlen = xfer->length;
1.43 augustss 797: }
798: #endif
1.100 augustss 799: memcpy(xfer->buffer, KERNADDR(dmap, 0), xfer->actlen);
1.43 augustss 800: }
1.38 augustss 801:
1.37 augustss 802: /* if we allocated the buffer in usbd_transfer() we free it here. */
1.48 augustss 803: if (xfer->rqflags & URQ_AUTO_DMABUF) {
1.47 augustss 804: if (!repeat) {
1.37 augustss 805: struct usbd_bus *bus = pipe->device->bus;
806: bus->methods->freem(bus, dmap);
1.48 augustss 807: xfer->rqflags &= ~URQ_AUTO_DMABUF;
1.37 augustss 808: }
809: }
810:
1.47 augustss 811: if (!repeat) {
812: /* Remove request from queue. */
813: #ifdef DIAGNOSTIC
1.48 augustss 814: if (xfer != SIMPLEQ_FIRST(&pipe->queue))
1.47 augustss 815: printf("usb_transfer_complete: bad dequeue %p != %p\n",
1.48 augustss 816: xfer, SIMPLEQ_FIRST(&pipe->queue));
1.93 augustss 817: xfer->busy_free = XFER_BUSY;
1.45 augustss 818: #endif
1.101 lukem 819: SIMPLEQ_REMOVE_HEAD(&pipe->queue, next);
1.47 augustss 820: }
1.102 augustss 821: DPRINTFN(5,("usb_transfer_complete: repeat=%d new head=%p\n",
1.61 augustss 822: repeat, SIMPLEQ_FIRST(&pipe->queue)));
1.31 augustss 823:
824: /* Count completed transfers. */
1.97 christos 825: ++pipe->device->bus->stats.uds_requests
1.5 augustss 826: [pipe->endpoint->edesc->bmAttributes & UE_XFERTYPE];
1.1 augustss 827:
1.48 augustss 828: xfer->done = 1;
1.52 augustss 829: if (!xfer->status && xfer->actlen < xfer->length &&
1.48 augustss 830: !(xfer->flags & USBD_SHORT_XFER_OK)) {
831: DPRINTFN(-1,("usbd_transfer_cb: short transfer %d<%d\n",
832: xfer->actlen, xfer->length));
833: xfer->status = USBD_SHORT_XFER;
1.1 augustss 834: }
1.31 augustss 835:
1.48 augustss 836: if (xfer->callback)
837: xfer->callback(xfer, xfer->priv, xfer->status);
1.61 augustss 838:
839: #ifdef DIAGNOSTIC
840: if (pipe->methods->done != NULL)
841: pipe->methods->done(xfer);
842: else
843: printf("usb_transfer_complete: pipe->methods->done == NULL\n");
844: #else
845: pipe->methods->done(xfer);
846: #endif
1.31 augustss 847:
1.103.8.1! tron 848: if (sync && !polling)
1.48 augustss 849: wakeup(xfer);
1.31 augustss 850:
1.47 augustss 851: if (!repeat) {
1.40 augustss 852: /* XXX should we stop the queue on all errors? */
1.103.8.1! tron 853: if (erred && pipe->iface != NULL) /* not control pipe */
1.40 augustss 854: pipe->running = 0;
855: else
856: usbd_start_next(pipe);
857: }
1.1 augustss 858: }
859:
1.31 augustss 860: usbd_status
1.74 augustss 861: usb_insert_transfer(usbd_xfer_handle xfer)
1.1 augustss 862: {
1.48 augustss 863: usbd_pipe_handle pipe = xfer->pipe;
864: usbd_status err;
1.37 augustss 865: int s;
1.31 augustss 866:
1.102 augustss 867: DPRINTFN(5,("usb_insert_transfer: pipe=%p running=%d timeout=%d\n",
1.48 augustss 868: pipe, pipe->running, xfer->timeout));
1.93 augustss 869: #ifdef DIAGNOSTIC
870: if (xfer->busy_free != XFER_BUSY) {
871: printf("usb_insert_transfer: xfer=%p not busy 0x%08x\n",
872: xfer, xfer->busy_free);
873: return (USBD_INVAL);
874: }
875: xfer->busy_free = XFER_ONQU;
876: #endif
1.37 augustss 877: s = splusb();
1.48 augustss 878: SIMPLEQ_INSERT_TAIL(&pipe->queue, xfer, next);
1.31 augustss 879: if (pipe->running)
1.48 augustss 880: err = USBD_IN_PROGRESS;
1.37 augustss 881: else {
882: pipe->running = 1;
1.48 augustss 883: err = USBD_NORMAL_COMPLETION;
1.37 augustss 884: }
885: splx(s);
1.48 augustss 886: return (err);
1.1 augustss 887: }
888:
1.40 augustss 889: /* Called at splusb() */
1.31 augustss 890: void
1.74 augustss 891: usbd_start_next(usbd_pipe_handle pipe)
1.31 augustss 892: {
1.48 augustss 893: usbd_xfer_handle xfer;
894: usbd_status err;
1.40 augustss 895:
896: SPLUSBCHECK;
1.1 augustss 897:
1.31 augustss 898: #ifdef DIAGNOSTIC
1.48 augustss 899: if (pipe == NULL) {
1.51 augustss 900: printf("usbd_start_next: pipe == NULL\n");
1.31 augustss 901: return;
902: }
1.48 augustss 903: if (pipe->methods == NULL || pipe->methods->start == NULL) {
1.51 augustss 904: printf("usbd_start_next: pipe=%p no start method\n", pipe);
1.31 augustss 905: return;
906: }
907: #endif
908:
909: /* Get next request in queue. */
1.48 augustss 910: xfer = SIMPLEQ_FIRST(&pipe->queue);
1.51 augustss 911: DPRINTFN(5, ("usbd_start_next: pipe=%p, xfer=%p\n", pipe, xfer));
912: if (xfer == NULL) {
1.31 augustss 913: pipe->running = 0;
1.51 augustss 914: } else {
1.48 augustss 915: err = pipe->methods->start(xfer);
916: if (err != USBD_IN_PROGRESS) {
917: printf("usbd_start_next: error=%d\n", err);
1.31 augustss 918: pipe->running = 0;
919: /* XXX do what? */
920: }
1.1 augustss 921: }
922: }
923:
924: usbd_status
1.74 augustss 925: usbd_do_request(usbd_device_handle dev, usb_device_request_t *req, void *data)
1.1 augustss 926: {
1.99 thorpej 927: return (usbd_do_request_flags(dev, req, data, 0, 0,
1.98 augustss 928: USBD_DEFAULT_TIMEOUT));
1.17 augustss 929: }
930:
931: usbd_status
1.74 augustss 932: usbd_do_request_flags(usbd_device_handle dev, usb_device_request_t *req,
1.96 augustss 933: void *data, u_int16_t flags, int *actlen, u_int32_t timo)
1.17 augustss 934: {
1.102 augustss 935: return (usbd_do_request_flags_pipe(dev, dev->default_pipe, req,
1.96 augustss 936: data, flags, actlen, timo));
1.77 augustss 937: }
938:
939: usbd_status
940: usbd_do_request_flags_pipe(usbd_device_handle dev, usbd_pipe_handle pipe,
1.96 augustss 941: usb_device_request_t *req, void *data, u_int16_t flags, int *actlen,
942: u_int32_t timeout)
1.77 augustss 943: {
1.48 augustss 944: usbd_xfer_handle xfer;
945: usbd_status err;
1.1 augustss 946:
1.7 augustss 947: #ifdef DIAGNOSTIC
1.51 augustss 948: #if defined(__i386__) && defined(__FreeBSD__)
949: KASSERT(intr_nesting_level == 0,
1.62 augustss 950: ("usbd_do_request: in interrupt context"));
1.51 augustss 951: #endif
1.39 augustss 952: if (dev->bus->intr_context) {
1.7 augustss 953: printf("usbd_do_request: not in process context\n");
1.37 augustss 954: return (USBD_INVAL);
1.7 augustss 955: }
956: #endif
957:
1.50 augustss 958: xfer = usbd_alloc_xfer(dev);
1.48 augustss 959: if (xfer == NULL)
1.1 augustss 960: return (USBD_NOMEM);
1.96 augustss 961: usbd_setup_default_xfer(xfer, dev, 0, timeout, req,
1.77 augustss 962: data, UGETW(req->wLength), flags, 0);
963: xfer->pipe = pipe;
1.48 augustss 964: err = usbd_sync_transfer(xfer);
1.1 augustss 965: #if defined(USB_DEBUG) || defined(DIAGNOSTIC)
1.48 augustss 966: if (xfer->actlen > xfer->length)
1.35 augustss 967: DPRINTF(("usbd_do_request: overrun addr=%d type=0x%02x req=0x"
968: "%02x val=%d index=%d rlen=%d length=%d actlen=%d\n",
1.48 augustss 969: dev->address, xfer->request.bmRequestType,
970: xfer->request.bRequest, UGETW(xfer->request.wValue),
1.102 augustss 971: UGETW(xfer->request.wIndex),
972: UGETW(xfer->request.wLength),
1.48 augustss 973: xfer->length, xfer->actlen));
1.1 augustss 974: #endif
1.48 augustss 975: if (actlen != NULL)
976: *actlen = xfer->actlen;
977: if (err == USBD_STALLED) {
1.102 augustss 978: /*
1.15 augustss 979: * The control endpoint has stalled. Control endpoints
980: * should not halt, but some may do so anyway so clear
981: * any halt condition.
982: */
983: usb_device_request_t treq;
984: usb_status_t status;
985: u_int16_t s;
1.48 augustss 986: usbd_status nerr;
1.15 augustss 987:
988: treq.bmRequestType = UT_READ_ENDPOINT;
989: treq.bRequest = UR_GET_STATUS;
990: USETW(treq.wValue, 0);
991: USETW(treq.wIndex, 0);
992: USETW(treq.wLength, sizeof(usb_status_t));
1.50 augustss 993: usbd_setup_default_xfer(xfer, dev, 0, USBD_DEFAULT_TIMEOUT,
1.37 augustss 994: &treq, &status,sizeof(usb_status_t),
1.36 augustss 995: 0, 0);
1.48 augustss 996: nerr = usbd_sync_transfer(xfer);
997: if (nerr)
1.15 augustss 998: goto bad;
999: s = UGETW(status.wStatus);
1000: DPRINTF(("usbd_do_request: status = 0x%04x\n", s));
1001: if (!(s & UES_HALT))
1002: goto bad;
1003: treq.bmRequestType = UT_WRITE_ENDPOINT;
1004: treq.bRequest = UR_CLEAR_FEATURE;
1005: USETW(treq.wValue, UF_ENDPOINT_HALT);
1006: USETW(treq.wIndex, 0);
1007: USETW(treq.wLength, 0);
1.50 augustss 1008: usbd_setup_default_xfer(xfer, dev, 0, USBD_DEFAULT_TIMEOUT,
1.36 augustss 1009: &treq, &status, 0, 0, 0);
1.48 augustss 1010: nerr = usbd_sync_transfer(xfer);
1011: if (nerr)
1.15 augustss 1012: goto bad;
1013: }
1014:
1015: bad:
1.50 augustss 1016: usbd_free_xfer(xfer);
1.48 augustss 1017: return (err);
1.7 augustss 1018: }
1019:
1020: void
1.74 augustss 1021: usbd_do_request_async_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
1022: usbd_status status)
1.7 augustss 1023: {
1024: #if defined(USB_DEBUG) || defined(DIAGNOSTIC)
1.48 augustss 1025: if (xfer->actlen > xfer->length)
1.35 augustss 1026: DPRINTF(("usbd_do_request: overrun addr=%d type=0x%02x req=0x"
1027: "%02x val=%d index=%d rlen=%d length=%d actlen=%d\n",
1.102 augustss 1028: xfer->pipe->device->address,
1.48 augustss 1029: xfer->request.bmRequestType,
1030: xfer->request.bRequest, UGETW(xfer->request.wValue),
1.102 augustss 1031: UGETW(xfer->request.wIndex),
1032: UGETW(xfer->request.wLength),
1.48 augustss 1033: xfer->length, xfer->actlen));
1.7 augustss 1034: #endif
1.50 augustss 1035: usbd_free_xfer(xfer);
1.7 augustss 1036: }
1037:
1038: /*
1039: * Execute a request without waiting for completion.
1040: * Can be used from interrupt context.
1041: */
1042: usbd_status
1.74 augustss 1043: usbd_do_request_async(usbd_device_handle dev, usb_device_request_t *req,
1044: void *data)
1.7 augustss 1045: {
1.48 augustss 1046: usbd_xfer_handle xfer;
1047: usbd_status err;
1.7 augustss 1048:
1.50 augustss 1049: xfer = usbd_alloc_xfer(dev);
1.49 augustss 1050: if (xfer == NULL)
1.7 augustss 1051: return (USBD_NOMEM);
1.50 augustss 1052: usbd_setup_default_xfer(xfer, dev, 0, USBD_DEFAULT_TIMEOUT, req,
1.48 augustss 1053: data, UGETW(req->wLength), 0, usbd_do_request_async_cb);
1054: err = usbd_transfer(xfer);
1055: if (err != USBD_IN_PROGRESS) {
1.50 augustss 1056: usbd_free_xfer(xfer);
1.48 augustss 1057: return (err);
1.7 augustss 1058: }
1059: return (USBD_NORMAL_COMPLETION);
1.1 augustss 1060: }
1061:
1.78 augustss 1062: const struct usbd_quirks *
1.74 augustss 1063: usbd_get_quirks(usbd_device_handle dev)
1.1 augustss 1064: {
1.81 augustss 1065: #ifdef DIAGNOSTIC
1066: if (dev == NULL) {
1067: printf("usbd_get_quirks: dev == NULL\n");
1068: return 0;
1069: }
1070: #endif
1.1 augustss 1071: return (dev->quirks);
1072: }
1073:
1074: /* XXX do periodic free() of free list */
1075:
1.6 augustss 1076: /*
1077: * Called from keyboard driver when in polling mode.
1078: */
1079: void
1.74 augustss 1080: usbd_dopoll(usbd_interface_handle iface)
1.6 augustss 1081: {
1.36 augustss 1082: iface->device->bus->methods->do_poll(iface->device->bus);
1.8 augustss 1083: }
1084:
1085: void
1.74 augustss 1086: usbd_set_polling(usbd_device_handle dev, int on)
1.8 augustss 1087: {
1.42 augustss 1088: if (on)
1.54 augustss 1089: dev->bus->use_polling++;
1.42 augustss 1090: else
1.54 augustss 1091: dev->bus->use_polling--;
1.94 augustss 1092: /* When polling we need to make sure there is nothing pending to do. */
1093: if (dev->bus->use_polling)
1094: dev->bus->methods->soft_intr(dev->bus);
1.6 augustss 1095: }
1.12 augustss 1096:
1097:
1098: usb_endpoint_descriptor_t *
1.74 augustss 1099: usbd_get_endpoint_descriptor(usbd_interface_handle iface, u_int8_t address)
1.12 augustss 1100: {
1101: struct usbd_endpoint *ep;
1102: int i;
1103:
1104: for (i = 0; i < iface->idesc->bNumEndpoints; i++) {
1105: ep = &iface->endpoints[i];
1106: if (ep->edesc->bEndpointAddress == address)
1107: return (iface->endpoints[i].edesc);
1108: }
1109: return (0);
1.63 augustss 1110: }
1111:
1112: /*
1113: * usbd_ratecheck() can limit the number of error messages that occurs.
1114: * When a device is unplugged it may take up to 0.25s for the hub driver
1115: * to notice it. If the driver continuosly tries to do I/O operations
1116: * this can generate a large number of messages.
1117: */
1118: int
1.74 augustss 1119: usbd_ratecheck(struct timeval *last)
1.63 augustss 1120: {
1.64 augustss 1121: static struct timeval errinterval = { 0, 250000 }; /* 0.25 s*/
1.63 augustss 1122:
1123: return (ratecheck(last, &errinterval));
1.89 augustss 1124: }
1125:
1126: /*
1127: * Search for a vendor/product pair in an array. The item size is
1128: * given as an argument.
1129: */
1.90 augustss 1130: const struct usb_devno *
1131: usb_match_device(const struct usb_devno *tbl, u_int nentries, u_int sz,
1.89 augustss 1132: u_int16_t vendor, u_int16_t product)
1133: {
1134: while (nentries-- > 0) {
1.93 augustss 1135: u_int16_t tproduct = tbl->ud_product;
1136: if (tbl->ud_vendor == vendor &&
1137: (tproduct == product || tproduct == USB_PRODUCT_ANY))
1.89 augustss 1138: return (tbl);
1.95 augustss 1139: tbl = (const struct usb_devno *)((const char *)tbl + sz);
1.89 augustss 1140: }
1141: return (NULL);
1.12 augustss 1142: }
1143:
1.20 augustss 1144: #if defined(__FreeBSD__)
1145: int
1146: usbd_driver_load(module_t mod, int what, void *arg)
1147: {
1.45 augustss 1148: /* XXX should implement something like a function that removes all generic devices */
1.102 augustss 1149:
1.48 augustss 1150: return (0);
1.20 augustss 1151: }
1152:
1153: #endif
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