Remove spl*() calls from the bus/ infrastructure, replacing them with
[dragonfly.git] / sys / dev / usbmisc / ugen / ugen.c
CommitLineData
1550dfd9
MD
1/*
2 * $NetBSD: ugen.c,v 1.27 1999/10/28 12:08:38 augustss Exp $
3 * $NetBSD: ugen.c,v 1.59 2002/07/11 21:14:28 augustss Exp $
4 * $FreeBSD: src/sys/dev/usb/ugen.c,v 1.81 2003/11/09 09:17:22 tanimura Exp $
4e01b467 5 * $DragonFly: src/sys/dev/usbmisc/ugen/ugen.c,v 1.16 2005/06/02 20:40:49 dillon Exp $
1550dfd9
MD
6 */
7
8/*
9 * Also already merged from NetBSD:
10 * $NetBSD: ugen.c,v 1.61 2002/09/23 05:51:20 simonb Exp $
11 * $NetBSD: ugen.c,v 1.64 2003/06/28 14:21:46 darrenr Exp $
12 * $NetBSD: ugen.c,v 1.65 2003/06/29 22:30:56 fvdl Exp $
13 */
984263bc
MD
14
15/*
16 * Copyright (c) 1998 The NetBSD Foundation, Inc.
17 * All rights reserved.
18 *
19 * This code is derived from software contributed to The NetBSD Foundation
20 * by Lennart Augustsson (lennart@augustsson.net) at
21 * Carlstedt Research & Technology.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the above copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * This product includes software developed by the NetBSD
34 * Foundation, Inc. and its contributors.
35 * 4. Neither the name of The NetBSD Foundation nor the names of its
36 * contributors may be used to endorse or promote products derived
37 * from this software without specific prior written permission.
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
40 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
41 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
43 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
44 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
45 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
46 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
47 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
49 * POSSIBILITY OF SUCH DAMAGE.
50 */
51
52
53#include <sys/param.h>
54#include <sys/systm.h>
55#include <sys/kernel.h>
56#include <sys/malloc.h>
57#if defined(__NetBSD__) || defined(__OpenBSD__)
58#include <sys/device.h>
59#include <sys/ioctl.h>
d47ac1a2 60#elif defined(__FreeBSD__) || defined(__DragonFly__)
984263bc
MD
61#include <sys/module.h>
62#include <sys/bus.h>
63#include <sys/ioccom.h>
64#include <sys/conf.h>
65#include <sys/fcntl.h>
66#include <sys/filio.h>
67#endif
68#include <sys/tty.h>
69#include <sys/file.h>
d47ac1a2 70#if defined(__FreeBSD__) && __FreeBSD_version >= 500014
1550dfd9
MD
71#include <sys/selinfo.h>
72#else
984263bc 73#include <sys/select.h>
1550dfd9 74#endif
984263bc
MD
75#include <sys/vnode.h>
76#include <sys/poll.h>
77#include <sys/sysctl.h>
4e01b467 78#include <sys/thread2.h>
984263bc 79
1f2de5d4
MD
80#include <bus/usb/usb.h>
81#include <bus/usb/usbdi.h>
82#include <bus/usb/usbdi_util.h>
984263bc 83
467306a6
MD
84#include "ugenbuf.h"
85
86SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW, 0, "USB ugen");
87
984263bc
MD
88#ifdef USB_DEBUG
89#define DPRINTF(x) if (ugendebug) logprintf x
90#define DPRINTFN(n,x) if (ugendebug>(n)) logprintf x
91int ugendebug = 0;
984263bc
MD
92SYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RW,
93 &ugendebug, 0, "ugen debug level");
94#else
95#define DPRINTF(x)
96#define DPRINTFN(n,x)
97#endif
98
467306a6
MD
99static int ugen_bufsize = 16384;
100SYSCTL_INT(_hw_usb_ugen, OID_AUTO, bufsize, CTLFLAG_RW,
101 &ugen_bufsize, 0, "ugen temporary buffer size");
102
984263bc
MD
103#define UGEN_CHUNK 128 /* chunk size for read */
104#define UGEN_IBSIZE 1020 /* buffer size */
984263bc
MD
105
106#define UGEN_NISOFRAMES 500 /* 0.5 seconds worth */
107#define UGEN_NISOREQS 6 /* number of outstanding xfer requests */
108#define UGEN_NISORFRMS 4 /* number of frames (miliseconds) per req */
109
110struct ugen_endpoint {
111 struct ugen_softc *sc;
d47ac1a2 112#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9
MD
113 dev_t dev;
114#endif
984263bc
MD
115 usb_endpoint_descriptor_t *edesc;
116 usbd_interface_handle iface;
117 int state;
118#define UGEN_ASLP 0x02 /* waiting for data */
119#define UGEN_SHORT_OK 0x04 /* short xfers are OK */
120 usbd_pipe_handle pipeh;
121 struct clist q;
122 struct selinfo rsel;
123 u_char *ibuf; /* start of buffer (circular for isoc) */
124 u_char *fill; /* location for input (isoc) */
125 u_char *limit; /* end of circular buffer (isoc) */
126 u_char *cur; /* current read location (isoc) */
127 u_int32_t timeout;
128 struct isoreq {
129 struct ugen_endpoint *sce;
130 usbd_xfer_handle xfer;
131 void *dmabuf;
132 u_int16_t sizes[UGEN_NISORFRMS];
133 } isoreqs[UGEN_NISOREQS];
134};
135
136struct ugen_softc {
137 USBBASEDEVICE sc_dev; /* base device */
138 usbd_device_handle sc_udev;
139
140 char sc_is_open[USB_MAX_ENDPOINTS];
141 struct ugen_endpoint sc_endpoints[USB_MAX_ENDPOINTS][2];
142#define OUT 0
143#define IN 1
144
145 int sc_refcnt;
146 u_char sc_dying;
147};
148
149#if defined(__NetBSD__) || defined(__OpenBSD__)
150cdev_decl(ugen);
d47ac1a2 151#elif defined(__FreeBSD__) || defined(__DragonFly__)
984263bc
MD
152d_open_t ugenopen;
153d_close_t ugenclose;
154d_read_t ugenread;
155d_write_t ugenwrite;
156d_ioctl_t ugenioctl;
157d_poll_t ugenpoll;
158
159#define UGEN_CDEV_MAJOR 114
160
161Static struct cdevsw ugen_cdevsw = {
fabb8ceb
MD
162 /* name */ "ugen",
163 /* maj */ UGEN_CDEV_MAJOR,
164 /* flags */ 0,
165 /* port */ NULL,
455fcd7e 166 /* clone */ NULL,
fabb8ceb 167
984263bc
MD
168 /* open */ ugenopen,
169 /* close */ ugenclose,
170 /* read */ ugenread,
171 /* write */ ugenwrite,
172 /* ioctl */ ugenioctl,
173 /* poll */ ugenpoll,
174 /* mmap */ nommap,
175 /* strategy */ nostrategy,
984263bc 176 /* dump */ nodump,
fabb8ceb 177 /* psize */ nopsize
984263bc
MD
178};
179#endif
180
1550dfd9
MD
181Static void ugenintr(usbd_xfer_handle xfer, usbd_private_handle addr,
182 usbd_status status);
984263bc
MD
183Static void ugen_isoc_rintr(usbd_xfer_handle xfer, usbd_private_handle addr,
184 usbd_status status);
185Static int ugen_do_read(struct ugen_softc *, int, struct uio *, int);
186Static int ugen_do_write(struct ugen_softc *, int, struct uio *, int);
1550dfd9
MD
187Static int ugen_do_ioctl(struct ugen_softc *, int, u_long,
188 caddr_t, int, usb_proc_ptr);
d47ac1a2 189#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9
MD
190Static void ugen_make_devnodes(struct ugen_softc *sc);
191Static void ugen_destroy_devnodes(struct ugen_softc *sc);
192#endif
984263bc
MD
193Static int ugen_set_config(struct ugen_softc *sc, int configno);
194Static usb_config_descriptor_t *ugen_get_cdesc(struct ugen_softc *sc,
1550dfd9 195 int index, int *lenp);
984263bc
MD
196Static usbd_status ugen_set_interface(struct ugen_softc *, int, int);
197Static int ugen_get_alt_index(struct ugen_softc *sc, int ifaceidx);
198
e4c9c0c8 199#define UGENUNIT(n) ((lminor(n) >> 4) & 0xff)
984263bc 200#define UGENENDPOINT(n) (minor(n) & 0xf)
e4c9c0c8
MD
201#define UGENMINOR(u, e) (((u & 0xf) << 4) | ((u & 0xf0) << 12) | (e))
202#define UGENUNITMASK 0xffff00f0
984263bc
MD
203
204USB_DECLARE_DRIVER(ugen);
205
206USB_MATCH(ugen)
207{
208 USB_MATCH_START(ugen, uaa);
209
1550dfd9
MD
210#if 0
211 if (uaa->matchlvl)
212 return (uaa->matchlvl);
213#endif
984263bc
MD
214 if (uaa->usegeneric)
215 return (UMATCH_GENERIC);
216 else
217 return (UMATCH_NONE);
218}
219
220USB_ATTACH(ugen)
221{
222 USB_ATTACH_START(ugen, sc, uaa);
223 usbd_device_handle udev;
224 char devinfo[1024];
225 usbd_status err;
226 int conf;
1550dfd9 227
984263bc
MD
228 usbd_devinfo(uaa->device, 0, devinfo);
229 USB_ATTACH_SETUP;
230 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
231
232 sc->sc_udev = udev = uaa->device;
233
234 memset(sc->sc_endpoints, 0, sizeof sc->sc_endpoints);
235
236 /* First set configuration index 0, the default one for ugen. */
237 err = usbd_set_config_index(udev, 0, 0);
238 if (err) {
1550dfd9 239 printf("%s: setting configuration index 0 failed\n",
984263bc
MD
240 USBDEVNAME(sc->sc_dev));
241 sc->sc_dying = 1;
242 USB_ATTACH_ERROR_RETURN;
243 }
244 conf = usbd_get_config_descriptor(udev)->bConfigurationValue;
245
246 /* Set up all the local state for this configuration. */
247 err = ugen_set_config(sc, conf);
248 if (err) {
1550dfd9 249 printf("%s: setting configuration %d failed\n",
984263bc
MD
250 USBDEVNAME(sc->sc_dev), conf);
251 sc->sc_dying = 1;
252 USB_ATTACH_ERROR_RETURN;
253 }
254
d47ac1a2 255#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9 256 /* the main device, ctrl endpoint */
e4c9c0c8
MD
257 cdevsw_add(&ugen_cdevsw,
258 UGENUNITMASK, UGENMINOR(USBDEVUNIT(sc->sc_dev), 0));
259 make_dev(&ugen_cdevsw, UGENMINOR(USBDEVUNIT(sc->sc_dev), 0),
1550dfd9
MD
260 UID_ROOT, GID_OPERATOR, 0644, "%s", USBDEVNAME(sc->sc_dev));
261#endif
262
984263bc
MD
263 USB_ATTACH_SUCCESS_RETURN;
264}
265
d47ac1a2 266#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9
MD
267Static void
268ugen_make_devnodes(struct ugen_softc *sc)
269{
270 int endptno;
271 dev_t dev;
272
273 for (endptno = 1; endptno < USB_MAX_ENDPOINTS; endptno++) {
274 if (sc->sc_endpoints[endptno][IN].sc != NULL ||
275 sc->sc_endpoints[endptno][OUT].sc != NULL ) {
276 /* endpt can be 0x81 and 0x01, representing
277 * endpoint address 0x01 and IN/OUT directions.
278 * We map both endpts to the same device,
279 * IN is reading from it, OUT is writing to it.
280 *
281 * In the if clause above we check whether one
282 * of the structs is populated.
283 */
284 dev = make_dev(&ugen_cdevsw,
285 UGENMINOR(USBDEVUNIT(sc->sc_dev), endptno),
286 UID_ROOT, GID_OPERATOR, 0644,
287 "%s.%d",
288 USBDEVNAME(sc->sc_dev), endptno);
e4c9c0c8 289 if (sc->sc_endpoints[endptno][IN].sc != NULL) {
e4c9c0c8
MD
290 reference_dev(dev);
291 if (sc->sc_endpoints[endptno][IN].dev)
292 release_dev(sc->sc_endpoints[endptno][IN].dev);
1550dfd9 293 sc->sc_endpoints[endptno][IN].dev = dev;
e4c9c0c8
MD
294 }
295 if (sc->sc_endpoints[endptno][OUT].sc != NULL) {
e4c9c0c8
MD
296 reference_dev(dev);
297 if (sc->sc_endpoints[endptno][OUT].dev)
298 release_dev(sc->sc_endpoints[endptno][OUT].dev);
1550dfd9 299 sc->sc_endpoints[endptno][OUT].dev = dev;
e4c9c0c8 300 }
1550dfd9
MD
301 }
302 }
303}
304
305Static void
306ugen_destroy_devnodes(struct ugen_softc *sc)
307{
308 int endptno;
309 dev_t dev;
310
311 /* destroy all devices for the other (existing) endpoints as well */
312 for (endptno = 1; endptno < USB_MAX_ENDPOINTS; endptno++) {
313 if (sc->sc_endpoints[endptno][IN].sc != NULL ||
314 sc->sc_endpoints[endptno][OUT].sc != NULL ) {
315 /* endpt can be 0x81 and 0x01, representing
316 * endpoint address 0x01 and IN/OUT directions.
317 * We map both endpoint addresses to the same device,
318 * IN is reading from it, OUT is writing to it.
319 *
320 * In the if clause above we check whether one
321 * of the structs is populated.
322 */
e4c9c0c8
MD
323 dev = sc->sc_endpoints[endptno][IN].dev;
324 if (dev != NULL) {
e4c9c0c8
MD
325 destroy_dev(dev);
326 sc->sc_endpoints[endptno][IN].dev = NULL;
327 }
328 dev = sc->sc_endpoints[endptno][OUT].dev;
329 if (dev != NULL) {
e4c9c0c8
MD
330 destroy_dev(dev);
331 sc->sc_endpoints[endptno][OUT].dev = NULL;
332 }
1550dfd9
MD
333 }
334 }
335}
336#endif
337
984263bc
MD
338Static int
339ugen_set_config(struct ugen_softc *sc, int configno)
340{
341 usbd_device_handle dev = sc->sc_udev;
342 usbd_interface_handle iface;
343 usb_endpoint_descriptor_t *ed;
344 struct ugen_endpoint *sce;
345 u_int8_t niface, nendpt;
346 int ifaceno, endptno, endpt;
347 usbd_status err;
348 int dir;
349
350 DPRINTFN(1,("ugen_set_config: %s to configno %d, sc=%p\n",
351 USBDEVNAME(sc->sc_dev), configno, sc));
352
d47ac1a2 353#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9
MD
354 ugen_destroy_devnodes(sc);
355#endif
356
984263bc
MD
357 /* We start at 1, not 0, because we don't care whether the
358 * control endpoint is open or not. It is always present.
359 */
e4c9c0c8 360 for (endptno = 1; endptno < USB_MAX_ENDPOINTS; endptno++) {
984263bc
MD
361 if (sc->sc_is_open[endptno]) {
362 DPRINTFN(1,
363 ("ugen_set_config: %s - endpoint %d is open\n",
364 USBDEVNAME(sc->sc_dev), endptno));
365 return (USBD_IN_USE);
366 }
e4c9c0c8 367 }
984263bc 368
1550dfd9 369 /* Avoid setting the current value. */
984263bc 370 if (usbd_get_config_descriptor(dev)->bConfigurationValue != configno) {
1550dfd9 371 err = usbd_set_config_no(dev, configno, 1);
984263bc
MD
372 if (err)
373 return (err);
374 }
375
376 err = usbd_interface_count(dev, &niface);
377 if (err)
378 return (err);
379 memset(sc->sc_endpoints, 0, sizeof sc->sc_endpoints);
380 for (ifaceno = 0; ifaceno < niface; ifaceno++) {
381 DPRINTFN(1,("ugen_set_config: ifaceno %d\n", ifaceno));
382 err = usbd_device2interface_handle(dev, ifaceno, &iface);
383 if (err)
384 return (err);
385 err = usbd_endpoint_count(iface, &nendpt);
386 if (err)
387 return (err);
388 for (endptno = 0; endptno < nendpt; endptno++) {
389 ed = usbd_interface2endpoint_descriptor(iface,endptno);
1550dfd9
MD
390 endpt = ed->bEndpointAddress;
391 dir = UE_GET_DIR(endpt) == UE_DIR_IN ? IN : OUT;
392 sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)][dir];
984263bc 393 DPRINTFN(1,("ugen_set_config: endptno %d, endpt=0x%02x"
1550dfd9
MD
394 "(%d,%d), sce=%p\n",
395 endptno, endpt, UE_GET_ADDR(endpt),
396 UE_GET_DIR(endpt), sce));
984263bc
MD
397 sce->sc = sc;
398 sce->edesc = ed;
399 sce->iface = iface;
400 }
401 }
402
d47ac1a2 403#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9 404 ugen_make_devnodes(sc);
984263bc
MD
405#endif
406
407 return (USBD_NORMAL_COMPLETION);
408}
409
410int
411ugenopen(dev_t dev, int flag, int mode, usb_proc_ptr p)
412{
413 struct ugen_softc *sc;
414 int unit = UGENUNIT(dev);
415 int endpt = UGENENDPOINT(dev);
416 usb_endpoint_descriptor_t *edesc;
417 struct ugen_endpoint *sce;
418 int dir, isize;
419 usbd_status err;
420 usbd_xfer_handle xfer;
421 void *buf;
422 int i, j;
423
424 USB_GET_SC_OPEN(ugen, unit, sc);
425
1550dfd9 426 DPRINTFN(5, ("ugenopen: flag=%d, mode=%d, unit=%d endpt=%d\n",
984263bc
MD
427 flag, mode, unit, endpt));
428
429 if (sc == NULL || sc->sc_dying)
430 return (ENXIO);
431
432 if (sc->sc_is_open[endpt])
433 return (EBUSY);
434
435 if (endpt == USB_CONTROL_ENDPOINT) {
436 sc->sc_is_open[USB_CONTROL_ENDPOINT] = 1;
437 return (0);
438 }
439
440 /* Make sure there are pipes for all directions. */
441 for (dir = OUT; dir <= IN; dir++) {
442 if (flag & (dir == OUT ? FWRITE : FREAD)) {
443 sce = &sc->sc_endpoints[endpt][dir];
444 if (sce == 0 || sce->edesc == 0)
445 return (ENXIO);
446 }
447 }
448
449 /* Actually open the pipes. */
450 /* XXX Should back out properly if it fails. */
451 for (dir = OUT; dir <= IN; dir++) {
452 if (!(flag & (dir == OUT ? FWRITE : FREAD)))
453 continue;
454 sce = &sc->sc_endpoints[endpt][dir];
455 sce->state = 0;
456 sce->timeout = USBD_NO_TIMEOUT;
1550dfd9 457 DPRINTFN(5, ("ugenopen: sc=%p, endpt=%d, dir=%d, sce=%p\n",
984263bc
MD
458 sc, endpt, dir, sce));
459 edesc = sce->edesc;
460 switch (edesc->bmAttributes & UE_XFERTYPE) {
461 case UE_INTERRUPT:
1550dfd9
MD
462 if (dir == OUT) {
463 err = usbd_open_pipe(sce->iface,
464 edesc->bEndpointAddress, 0, &sce->pipeh);
465 if (err)
466 return (EIO);
467 break;
468 }
984263bc
MD
469 isize = UGETW(edesc->wMaxPacketSize);
470 if (isize == 0) /* shouldn't happen */
471 return (EINVAL);
472 sce->ibuf = malloc(isize, M_USBDEV, M_WAITOK);
1550dfd9 473 DPRINTFN(5, ("ugenopen: intr endpt=%d,isize=%d\n",
984263bc
MD
474 endpt, isize));
475 if (clalloc(&sce->q, UGEN_IBSIZE, 0) == -1)
476 return (ENOMEM);
1550dfd9
MD
477 err = usbd_open_pipe_intr(sce->iface,
478 edesc->bEndpointAddress,
479 USBD_SHORT_XFER_OK, &sce->pipeh, sce,
984263bc
MD
480 sce->ibuf, isize, ugenintr,
481 USBD_DEFAULT_INTERVAL);
482 if (err) {
483 free(sce->ibuf, M_USBDEV);
484 clfree(&sce->q);
485 return (EIO);
486 }
487 DPRINTFN(5, ("ugenopen: interrupt open done\n"));
488 break;
489 case UE_BULK:
1550dfd9 490 err = usbd_open_pipe(sce->iface,
984263bc
MD
491 edesc->bEndpointAddress, 0, &sce->pipeh);
492 if (err)
493 return (EIO);
494 break;
495 case UE_ISOCHRONOUS:
496 if (dir == OUT)
497 return (EINVAL);
498 isize = UGETW(edesc->wMaxPacketSize);
499 if (isize == 0) /* shouldn't happen */
500 return (EINVAL);
501 sce->ibuf = malloc(isize * UGEN_NISOFRAMES,
502 M_USBDEV, M_WAITOK);
503 sce->cur = sce->fill = sce->ibuf;
504 sce->limit = sce->ibuf + isize * UGEN_NISOFRAMES;
1550dfd9 505 DPRINTFN(5, ("ugenopen: isoc endpt=%d, isize=%d\n",
984263bc
MD
506 endpt, isize));
507 err = usbd_open_pipe(sce->iface,
508 edesc->bEndpointAddress, 0, &sce->pipeh);
509 if (err) {
510 free(sce->ibuf, M_USBDEV);
511 return (EIO);
512 }
513 for(i = 0; i < UGEN_NISOREQS; ++i) {
514 sce->isoreqs[i].sce = sce;
515 xfer = usbd_alloc_xfer(sc->sc_udev);
516 if (xfer == 0)
517 goto bad;
518 sce->isoreqs[i].xfer = xfer;
519 buf = usbd_alloc_buffer
520 (xfer, isize * UGEN_NISORFRMS);
521 if (buf == 0) {
522 i++;
523 goto bad;
524 }
525 sce->isoreqs[i].dmabuf = buf;
526 for(j = 0; j < UGEN_NISORFRMS; ++j)
527 sce->isoreqs[i].sizes[j] = isize;
528 usbd_setup_isoc_xfer
529 (xfer, sce->pipeh, &sce->isoreqs[i],
530 sce->isoreqs[i].sizes,
531 UGEN_NISORFRMS, USBD_NO_COPY,
532 ugen_isoc_rintr);
533 (void)usbd_transfer(xfer);
534 }
535 DPRINTFN(5, ("ugenopen: isoc open done\n"));
536 break;
537 bad:
538 while (--i >= 0) /* implicit buffer free */
539 usbd_free_xfer(sce->isoreqs[i].xfer);
540 return (ENOMEM);
541 case UE_CONTROL:
1550dfd9 542 sce->timeout = USBD_DEFAULT_TIMEOUT;
984263bc
MD
543 return (EINVAL);
544 }
545 }
546 sc->sc_is_open[endpt] = 1;
547 return (0);
548}
549
550int
551ugenclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
552{
553 int endpt = UGENENDPOINT(dev);
554 struct ugen_softc *sc;
555 struct ugen_endpoint *sce;
556 int dir;
557 int i;
558
559 USB_GET_SC(ugen, UGENUNIT(dev), sc);
560
561 DPRINTFN(5, ("ugenclose: flag=%d, mode=%d, unit=%d, endpt=%d\n",
562 flag, mode, UGENUNIT(dev), endpt));
563
564#ifdef DIAGNOSTIC
565 if (!sc->sc_is_open[endpt]) {
566 printf("ugenclose: not open\n");
567 return (EINVAL);
568 }
569#endif
570
571 if (endpt == USB_CONTROL_ENDPOINT) {
572 DPRINTFN(5, ("ugenclose: close control\n"));
573 sc->sc_is_open[endpt] = 0;
574 return (0);
575 }
576
577 for (dir = OUT; dir <= IN; dir++) {
578 if (!(flag & (dir == OUT ? FWRITE : FREAD)))
579 continue;
580 sce = &sc->sc_endpoints[endpt][dir];
581 if (sce == NULL || sce->pipeh == NULL)
582 continue;
1550dfd9 583 DPRINTFN(5, ("ugenclose: endpt=%d dir=%d sce=%p\n",
984263bc
MD
584 endpt, dir, sce));
585
586 usbd_abort_pipe(sce->pipeh);
587 usbd_close_pipe(sce->pipeh);
588 sce->pipeh = NULL;
589
590 switch (sce->edesc->bmAttributes & UE_XFERTYPE) {
591 case UE_INTERRUPT:
592 ndflush(&sce->q, sce->q.c_cc);
593 clfree(&sce->q);
594 break;
595 case UE_ISOCHRONOUS:
596 for (i = 0; i < UGEN_NISOREQS; ++i)
597 usbd_free_xfer(sce->isoreqs[i].xfer);
598 default:
599 break;
600 }
601
602 if (sce->ibuf != NULL) {
603 free(sce->ibuf, M_USBDEV);
604 sce->ibuf = NULL;
1550dfd9 605 clfree(&sce->q);
984263bc
MD
606 }
607 }
608 sc->sc_is_open[endpt] = 0;
609
610 return (0);
611}
612
613Static int
614ugen_do_read(struct ugen_softc *sc, int endpt, struct uio *uio, int flag)
615{
616 struct ugen_endpoint *sce = &sc->sc_endpoints[endpt][IN];
617 u_int32_t n, tn;
467306a6 618 char *buf;
984263bc
MD
619 usbd_xfer_handle xfer;
620 usbd_status err;
984263bc 621 int error = 0;
467306a6 622 int ugen_bbsize;
984263bc
MD
623 u_char buffer[UGEN_CHUNK];
624
625 DPRINTFN(5, ("%s: ugenread: %d\n", USBDEVNAME(sc->sc_dev), endpt));
626
627 if (sc->sc_dying)
628 return (EIO);
629
630 if (endpt == USB_CONTROL_ENDPOINT)
631 return (ENODEV);
632
1550dfd9
MD
633 if (sce == NULL)
634 return (EINVAL);
635
984263bc
MD
636 if (sce->edesc == NULL) {
637 printf("ugenread: no edesc\n");
638 return (EIO);
639 }
640 if (sce->pipeh == NULL) {
641 printf("ugenread: no pipe\n");
642 return (EIO);
643 }
984263bc 644
467306a6
MD
645 buf = getugenbuf(ugen_bufsize, &ugen_bbsize);
646
984263bc
MD
647 switch (sce->edesc->bmAttributes & UE_XFERTYPE) {
648 case UE_INTERRUPT:
1550dfd9 649 /* Block until activity occurred. */
4e01b467 650 crit_enter();
984263bc
MD
651 while (sce->q.c_cc == 0) {
652 if (flag & IO_NDELAY) {
4e01b467 653 crit_exit();
467306a6
MD
654 error = EWOULDBLOCK;
655 goto done;
984263bc
MD
656 }
657 sce->state |= UGEN_ASLP;
1550dfd9 658 DPRINTFN(5, ("ugenread: sleep on %p\n", sce));
377d4740 659 error = tsleep(sce, PCATCH, "ugenri", 0);
984263bc
MD
660 DPRINTFN(5, ("ugenread: woke, error=%d\n", error));
661 if (sc->sc_dying)
662 error = EIO;
663 if (error) {
664 sce->state &= ~UGEN_ASLP;
665 break;
666 }
667 }
4e01b467 668 crit_exit();
984263bc
MD
669
670 /* Transfer as many chunks as possible. */
671 while (sce->q.c_cc > 0 && uio->uio_resid > 0 && !error) {
672 n = min(sce->q.c_cc, uio->uio_resid);
673 if (n > sizeof(buffer))
674 n = sizeof(buffer);
675
676 /* Remove a small chunk from the input queue. */
677 q_to_b(&sce->q, buffer, n);
678 DPRINTFN(5, ("ugenread: got %d chars\n", n));
679
680 /* Copy the data to the user process. */
681 error = uiomove(buffer, n, uio);
682 if (error)
683 break;
684 }
685 break;
686 case UE_BULK:
687 xfer = usbd_alloc_xfer(sc->sc_udev);
467306a6
MD
688 if (xfer == 0) {
689 error = ENOMEM;
690 goto done;
691 }
692 while ((n = min(ugen_bbsize, uio->uio_resid)) != 0) {
984263bc
MD
693 DPRINTFN(1, ("ugenread: start transfer %d bytes\n",n));
694 tn = n;
695 err = usbd_bulk_transfer(
696 xfer, sce->pipeh,
1550dfd9
MD
697 sce->state & UGEN_SHORT_OK ?
698 USBD_SHORT_XFER_OK : 0,
984263bc
MD
699 sce->timeout, buf, &tn, "ugenrb");
700 if (err) {
701 if (err == USBD_INTERRUPTED)
702 error = EINTR;
703 else if (err == USBD_TIMEOUT)
704 error = ETIMEDOUT;
705 else
706 error = EIO;
707 break;
708 }
709 DPRINTFN(1, ("ugenread: got %d bytes\n", tn));
710 error = uiomove(buf, tn, uio);
711 if (error || tn < n)
712 break;
713 }
714 usbd_free_xfer(xfer);
715 break;
716 case UE_ISOCHRONOUS:
4e01b467 717 crit_enter();
984263bc
MD
718 while (sce->cur == sce->fill) {
719 if (flag & IO_NDELAY) {
4e01b467 720 crit_exit();
467306a6
MD
721 error = EWOULDBLOCK;
722 goto done;
984263bc
MD
723 }
724 sce->state |= UGEN_ASLP;
1550dfd9 725 DPRINTFN(5, ("ugenread: sleep on %p\n", sce));
377d4740 726 error = tsleep(sce, PCATCH, "ugenri", 0);
984263bc
MD
727 DPRINTFN(5, ("ugenread: woke, error=%d\n", error));
728 if (sc->sc_dying)
729 error = EIO;
730 if (error) {
731 sce->state &= ~UGEN_ASLP;
732 break;
733 }
734 }
735
736 while (sce->cur != sce->fill && uio->uio_resid > 0 && !error) {
737 if(sce->fill > sce->cur)
738 n = min(sce->fill - sce->cur, uio->uio_resid);
739 else
740 n = min(sce->limit - sce->cur, uio->uio_resid);
741
742 DPRINTFN(5, ("ugenread: isoc got %d chars\n", n));
743
744 /* Copy the data to the user process. */
745 error = uiomove(sce->cur, n, uio);
746 if (error)
747 break;
748 sce->cur += n;
749 if(sce->cur >= sce->limit)
750 sce->cur = sce->ibuf;
751 }
4e01b467 752 crit_exit();
984263bc
MD
753 break;
754
1550dfd9 755
984263bc 756 default:
467306a6
MD
757 error = ENXIO;
758 break;
984263bc 759 }
467306a6
MD
760done:
761 relugenbuf(buf, ugen_bbsize);
984263bc
MD
762 return (error);
763}
764
765int
766ugenread(dev_t dev, struct uio *uio, int flag)
767{
768 int endpt = UGENENDPOINT(dev);
769 struct ugen_softc *sc;
770 int error;
771
772 USB_GET_SC(ugen, UGENUNIT(dev), sc);
773
774 sc->sc_refcnt++;
775 error = ugen_do_read(sc, endpt, uio, flag);
776 if (--sc->sc_refcnt < 0)
777 usb_detach_wakeup(USBDEV(sc->sc_dev));
778 return (error);
779}
780
781Static int
782ugen_do_write(struct ugen_softc *sc, int endpt, struct uio *uio, int flag)
783{
784 struct ugen_endpoint *sce = &sc->sc_endpoints[endpt][OUT];
785 u_int32_t n;
786 int error = 0;
467306a6
MD
787 int ugen_bbsize;
788 char *buf;
984263bc
MD
789 usbd_xfer_handle xfer;
790 usbd_status err;
791
1550dfd9 792 DPRINTFN(5, ("%s: ugenwrite: %d\n", USBDEVNAME(sc->sc_dev), endpt));
984263bc
MD
793
794 if (sc->sc_dying)
795 return (EIO);
796
797 if (endpt == USB_CONTROL_ENDPOINT)
798 return (ENODEV);
799
1550dfd9
MD
800 if (sce == NULL)
801 return (EINVAL);
802
984263bc 803 if (sce->edesc == NULL) {
1550dfd9 804 printf("ugenwrite: no edesc\n");
984263bc
MD
805 return (EIO);
806 }
807 if (sce->pipeh == NULL) {
1550dfd9 808 printf("ugenwrite: no pipe\n");
984263bc
MD
809 return (EIO);
810 }
984263bc 811
467306a6
MD
812 buf = getugenbuf(ugen_bufsize, &ugen_bbsize);
813
984263bc
MD
814 switch (sce->edesc->bmAttributes & UE_XFERTYPE) {
815 case UE_BULK:
816 xfer = usbd_alloc_xfer(sc->sc_udev);
467306a6
MD
817 if (xfer == 0) {
818 error = EIO;
819 goto done;
820 }
821 while ((n = min(ugen_bbsize, uio->uio_resid)) != 0) {
984263bc
MD
822 error = uiomove(buf, n, uio);
823 if (error)
824 break;
1550dfd9
MD
825 DPRINTFN(1, ("ugenwrite: transfer %d bytes\n", n));
826 err = usbd_bulk_transfer(xfer, sce->pipeh, 0,
984263bc
MD
827 sce->timeout, buf, &n,"ugenwb");
828 if (err) {
829 if (err == USBD_INTERRUPTED)
830 error = EINTR;
1550dfd9
MD
831 else if (err == USBD_TIMEOUT)
832 error = ETIMEDOUT;
833 else
834 error = EIO;
835 break;
836 }
837 }
838 usbd_free_xfer(xfer);
839 break;
840 case UE_INTERRUPT:
841 xfer = usbd_alloc_xfer(sc->sc_udev);
467306a6
MD
842 if (xfer == 0) {
843 error = EIO;
844 goto done;
845 }
1550dfd9
MD
846 while ((n = min(UGETW(sce->edesc->wMaxPacketSize),
847 uio->uio_resid)) != 0) {
848 error = uiomove(buf, n, uio);
849 if (error)
850 break;
851 DPRINTFN(1, ("ugenwrite: transfer %d bytes\n", n));
852 err = usbd_intr_transfer(xfer, sce->pipeh, 0,
853 sce->timeout, buf, &n,"ugenwi");
854 if (err) {
855 if (err == USBD_INTERRUPTED)
856 error = EINTR;
857 else if (err == USBD_TIMEOUT)
858 error = ETIMEDOUT;
984263bc
MD
859 else
860 error = EIO;
861 break;
862 }
863 }
864 usbd_free_xfer(xfer);
865 break;
866 default:
467306a6
MD
867 error = ENXIO;
868 break;
984263bc 869 }
467306a6
MD
870done:
871 relugenbuf(buf, ugen_bbsize);
984263bc
MD
872 return (error);
873}
874
875int
876ugenwrite(dev_t dev, struct uio *uio, int flag)
877{
878 int endpt = UGENENDPOINT(dev);
879 struct ugen_softc *sc;
880 int error;
881
882 USB_GET_SC(ugen, UGENUNIT(dev), sc);
883
884 sc->sc_refcnt++;
885 error = ugen_do_write(sc, endpt, uio, flag);
886 if (--sc->sc_refcnt < 0)
887 usb_detach_wakeup(USBDEV(sc->sc_dev));
888 return (error);
889}
890
891#if defined(__NetBSD__) || defined(__OpenBSD__)
892int
893ugen_activate(device_ptr_t self, enum devact act)
894{
895 struct ugen_softc *sc = (struct ugen_softc *)self;
896
897 switch (act) {
898 case DVACT_ACTIVATE:
899 return (EOPNOTSUPP);
984263bc
MD
900
901 case DVACT_DEACTIVATE:
902 sc->sc_dying = 1;
903 break;
904 }
905 return (0);
906}
907#endif
908
909USB_DETACH(ugen)
910{
911 USB_DETACH_START(ugen, sc);
912 struct ugen_endpoint *sce;
913 int i, dir;
984263bc
MD
914#if defined(__NetBSD__) || defined(__OpenBSD__)
915 int maj, mn;
984263bc
MD
916#endif
917
918#if defined(__NetBSD__) || defined(__OpenBSD__)
919 DPRINTF(("ugen_detach: sc=%p flags=%d\n", sc, flags));
d47ac1a2 920#elif defined(__FreeBSD__) || defined(__DragonFly__)
984263bc
MD
921 DPRINTF(("ugen_detach: sc=%p\n", sc));
922#endif
923
924 sc->sc_dying = 1;
925 /* Abort all pipes. Causes processes waiting for transfer to wake. */
926 for (i = 0; i < USB_MAX_ENDPOINTS; i++) {
927 for (dir = OUT; dir <= IN; dir++) {
928 sce = &sc->sc_endpoints[i][dir];
929 if (sce && sce->pipeh)
930 usbd_abort_pipe(sce->pipeh);
931 }
932 }
4e01b467 933 crit_enter();
984263bc
MD
934 if (--sc->sc_refcnt >= 0) {
935 /* Wake everyone */
936 for (i = 0; i < USB_MAX_ENDPOINTS; i++)
937 wakeup(&sc->sc_endpoints[i][IN]);
938 /* Wait for processes to go away. */
939 usb_detach_wait(USBDEV(sc->sc_dev));
940 }
4e01b467 941 crit_exit();
984263bc
MD
942
943#if defined(__NetBSD__) || defined(__OpenBSD__)
944 /* locate the major number */
945 for (maj = 0; maj < nchrdev; maj++)
946 if (cdevsw[maj].d_open == ugenopen)
947 break;
948
949 /* Nuke the vnodes for any open instances (calls close). */
950 mn = self->dv_unit * USB_MAX_ENDPOINTS;
951 vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR);
d47ac1a2 952#elif defined(__FreeBSD__) || defined(__DragonFly__)
984263bc 953 /* destroy the device for the control endpoint */
1550dfd9 954 ugen_destroy_devnodes(sc);
e4c9c0c8
MD
955 cdevsw_remove(&ugen_cdevsw,
956 UGENUNITMASK, UGENMINOR(USBDEVUNIT(sc->sc_dev), 0));
984263bc 957#endif
984263bc
MD
958 return (0);
959}
960
961Static void
962ugenintr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
963{
964 struct ugen_endpoint *sce = addr;
965 /*struct ugen_softc *sc = sce->sc;*/
966 u_int32_t count;
967 u_char *ibuf;
968
969 if (status == USBD_CANCELLED)
970 return;
971
972 if (status != USBD_NORMAL_COMPLETION) {
973 DPRINTF(("ugenintr: status=%d\n", status));
1550dfd9
MD
974 if (status == USBD_STALLED)
975 usbd_clear_endpoint_stall_async(sce->pipeh);
984263bc
MD
976 return;
977 }
978
979 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
980 ibuf = sce->ibuf;
981
1550dfd9 982 DPRINTFN(5, ("ugenintr: xfer=%p status=%d count=%d\n",
984263bc
MD
983 xfer, status, count));
984 DPRINTFN(5, (" data = %02x %02x %02x\n",
985 ibuf[0], ibuf[1], ibuf[2]));
986
987 (void)b_to_q(ibuf, count, &sce->q);
1550dfd9 988
984263bc
MD
989 if (sce->state & UGEN_ASLP) {
990 sce->state &= ~UGEN_ASLP;
991 DPRINTFN(5, ("ugen_intr: waking %p\n", sce));
992 wakeup(sce);
993 }
518fcd30 994 selwakeuppri(&sce->rsel, 0);
984263bc
MD
995}
996
997Static void
1550dfd9 998ugen_isoc_rintr(usbd_xfer_handle xfer, usbd_private_handle addr,
984263bc
MD
999 usbd_status status)
1000{
1001 struct isoreq *req = addr;
1002 struct ugen_endpoint *sce = req->sce;
1003 u_int32_t count, n;
1550dfd9 1004 int i, isize;
984263bc
MD
1005
1006 /* Return if we are aborting. */
1007 if (status == USBD_CANCELLED)
1008 return;
1009
1010 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
1550dfd9
MD
1011 DPRINTFN(5,("ugen_isoc_rintr: xfer %d, count=%d\n",
1012 (int)(req - sce->isoreqs),
984263bc
MD
1013 count));
1014
1015 /* throw away oldest input if the buffer is full */
1016 if(sce->fill < sce->cur && sce->cur <= sce->fill + count) {
1017 sce->cur += count;
1018 if(sce->cur >= sce->limit)
1019 sce->cur = sce->ibuf + (sce->limit - sce->cur);
1020 DPRINTFN(5, ("ugen_isoc_rintr: throwing away %d bytes\n",
1021 count));
1022 }
1023
1550dfd9
MD
1024 isize = UGETW(sce->edesc->wMaxPacketSize);
1025 for (i = 0; i < UGEN_NISORFRMS; i++) {
1026 u_int32_t actlen = req->sizes[i];
1027 char const *buf = (char const *)req->dmabuf + isize * i;
1028
1029 /* copy data to buffer */
1030 while (actlen > 0) {
1031 n = min(actlen, sce->limit - sce->fill);
1032 memcpy(sce->fill, buf, n);
1033
1034 buf += n;
1035 actlen -= n;
1036 sce->fill += n;
1037 if(sce->fill == sce->limit)
1038 sce->fill = sce->ibuf;
1039 }
984263bc 1040
1550dfd9
MD
1041 /* setup size for next transfer */
1042 req->sizes[i] = isize;
984263bc
MD
1043 }
1044
1045 usbd_setup_isoc_xfer(xfer, sce->pipeh, req, req->sizes, UGEN_NISORFRMS,
1046 USBD_NO_COPY, ugen_isoc_rintr);
1047 (void)usbd_transfer(xfer);
1048
1049 if (sce->state & UGEN_ASLP) {
1050 sce->state &= ~UGEN_ASLP;
1051 DPRINTFN(5, ("ugen_isoc_rintr: waking %p\n", sce));
1052 wakeup(sce);
1053 }
518fcd30 1054 selwakeuppri(&sce->rsel, 0);
984263bc
MD
1055}
1056
1057Static usbd_status
1058ugen_set_interface(struct ugen_softc *sc, int ifaceidx, int altno)
1059{
1060 usbd_interface_handle iface;
1061 usb_endpoint_descriptor_t *ed;
1062 usbd_status err;
1063 struct ugen_endpoint *sce;
1064 u_int8_t niface, nendpt, endptno, endpt;
1065 int dir;
1066
1067 DPRINTFN(15, ("ugen_set_interface %d %d\n", ifaceidx, altno));
1068
1069 err = usbd_interface_count(sc->sc_udev, &niface);
1070 if (err)
1071 return (err);
1072 if (ifaceidx < 0 || ifaceidx >= niface)
1073 return (USBD_INVAL);
1550dfd9 1074
984263bc
MD
1075 err = usbd_device2interface_handle(sc->sc_udev, ifaceidx, &iface);
1076 if (err)
1077 return (err);
1078 err = usbd_endpoint_count(iface, &nendpt);
1079 if (err)
1080 return (err);
1550dfd9 1081
d47ac1a2 1082#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9
MD
1083 /* destroy the existing devices, we remake the new ones in a moment */
1084 ugen_destroy_devnodes(sc);
1085#endif
1086
1087 /* XXX should only do this after setting new altno has succeeded */
984263bc
MD
1088 for (endptno = 0; endptno < nendpt; endptno++) {
1089 ed = usbd_interface2endpoint_descriptor(iface,endptno);
1090 endpt = ed->bEndpointAddress;
1091 dir = UE_GET_DIR(endpt) == UE_DIR_IN ? IN : OUT;
1092 sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)][dir];
1093 sce->sc = 0;
1094 sce->edesc = 0;
1095 sce->iface = 0;
1096 }
1097
1098 /* change setting */
1099 err = usbd_set_interface(iface, altno);
1100 if (err)
1101 return (err);
1102
1103 err = usbd_endpoint_count(iface, &nendpt);
1104 if (err)
1105 return (err);
1106 for (endptno = 0; endptno < nendpt; endptno++) {
1107 ed = usbd_interface2endpoint_descriptor(iface,endptno);
1108 endpt = ed->bEndpointAddress;
1109 dir = UE_GET_DIR(endpt) == UE_DIR_IN ? IN : OUT;
1110 sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)][dir];
1111 sce->sc = sc;
1112 sce->edesc = ed;
1113 sce->iface = iface;
1114 }
1550dfd9 1115
d47ac1a2 1116#if defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9
MD
1117 /* make the new devices */
1118 ugen_make_devnodes(sc);
1119#endif
1120
984263bc
MD
1121 return (0);
1122}
1123
1124/* Retrieve a complete descriptor for a certain device and index. */
1125Static usb_config_descriptor_t *
1126ugen_get_cdesc(struct ugen_softc *sc, int index, int *lenp)
1127{
1128 usb_config_descriptor_t *cdesc, *tdesc, cdescr;
1129 int len;
1130 usbd_status err;
1131
1132 if (index == USB_CURRENT_CONFIG_INDEX) {
1133 tdesc = usbd_get_config_descriptor(sc->sc_udev);
1134 len = UGETW(tdesc->wTotalLength);
1135 if (lenp)
1136 *lenp = len;
ad86f6b6 1137 cdesc = malloc(len, M_TEMP, M_INTWAIT);
984263bc
MD
1138 memcpy(cdesc, tdesc, len);
1139 DPRINTFN(5,("ugen_get_cdesc: current, len=%d\n", len));
1140 } else {
1141 err = usbd_get_config_desc(sc->sc_udev, index, &cdescr);
1142 if (err)
1143 return (0);
1144 len = UGETW(cdescr.wTotalLength);
1145 DPRINTFN(5,("ugen_get_cdesc: index=%d, len=%d\n", index, len));
1146 if (lenp)
1147 *lenp = len;
ad86f6b6 1148 cdesc = malloc(len, M_TEMP, M_INTWAIT);
984263bc
MD
1149 err = usbd_get_config_desc_full(sc->sc_udev, index, cdesc, len);
1150 if (err) {
1151 free(cdesc, M_TEMP);
1152 return (0);
1153 }
1154 }
1155 return (cdesc);
1156}
1157
1158Static int
1159ugen_get_alt_index(struct ugen_softc *sc, int ifaceidx)
1160{
1161 usbd_interface_handle iface;
1162 usbd_status err;
1163
1164 err = usbd_device2interface_handle(sc->sc_udev, ifaceidx, &iface);
1165 if (err)
1550dfd9 1166 return (-1);
984263bc
MD
1167 return (usbd_get_interface_altindex(iface));
1168}
1169
1170Static int
1171ugen_do_ioctl(struct ugen_softc *sc, int endpt, u_long cmd,
1172 caddr_t addr, int flag, usb_proc_ptr p)
1173{
1174 struct ugen_endpoint *sce;
1175 usbd_status err;
1176 usbd_interface_handle iface;
1177 struct usb_config_desc *cd;
1178 usb_config_descriptor_t *cdesc;
1179 struct usb_interface_desc *id;
1180 usb_interface_descriptor_t *idesc;
1181 struct usb_endpoint_desc *ed;
1182 usb_endpoint_descriptor_t *edesc;
1183 struct usb_alt_interface *ai;
1184 struct usb_string_desc *si;
1185 u_int8_t conf, alt;
1186
1187 DPRINTFN(5, ("ugenioctl: cmd=%08lx\n", cmd));
1188 if (sc->sc_dying)
1189 return (EIO);
1190
1191 switch (cmd) {
1192 case FIONBIO:
1193 /* All handled in the upper FS layer. */
1194 return (0);
1195 case USB_SET_SHORT_XFER:
1196 /* This flag only affects read */
1197 if (endpt == USB_CONTROL_ENDPOINT)
1198 return (EINVAL);
1199 sce = &sc->sc_endpoints[endpt][IN];
1200 if (sce == NULL)
1201 return (EINVAL);
1550dfd9 1202
984263bc
MD
1203 if (sce->pipeh == NULL) {
1204 printf("ugenioctl: USB_SET_SHORT_XFER, no pipe\n");
1205 return (EIO);
1206 }
1550dfd9 1207
984263bc
MD
1208 if (*(int *)addr)
1209 sce->state |= UGEN_SHORT_OK;
1210 else
1211 sce->state &= ~UGEN_SHORT_OK;
1212 return (0);
1213 case USB_SET_TIMEOUT:
1214 sce = &sc->sc_endpoints[endpt][IN];
1215 if (sce == NULL)
1216 return (EINVAL);
984263bc
MD
1217 sce->timeout = *(int *)addr;
1218 return (0);
1219 default:
1220 break;
1221 }
1222
1223 if (endpt != USB_CONTROL_ENDPOINT)
1224 return (EINVAL);
1225
1226 switch (cmd) {
1227#ifdef USB_DEBUG
1228 case USB_SETDEBUG:
1229 ugendebug = *(int *)addr;
1230 break;
1231#endif
1232 case USB_GET_CONFIG:
1233 err = usbd_get_config(sc->sc_udev, &conf);
1234 if (err)
1235 return (EIO);
1236 *(int *)addr = conf;
1237 break;
1238 case USB_SET_CONFIG:
1239 if (!(flag & FWRITE))
1240 return (EPERM);
1241 err = ugen_set_config(sc, *(int *)addr);
1242 switch (err) {
1243 case USBD_NORMAL_COMPLETION:
1244 break;
1245 case USBD_IN_USE:
1246 return (EBUSY);
1247 default:
1248 return (EIO);
1249 }
1250 break;
1251 case USB_GET_ALTINTERFACE:
1252 ai = (struct usb_alt_interface *)addr;
1550dfd9 1253 err = usbd_device2interface_handle(sc->sc_udev,
984263bc
MD
1254 ai->uai_interface_index, &iface);
1255 if (err)
1256 return (EINVAL);
1257 idesc = usbd_get_interface_descriptor(iface);
1258 if (idesc == NULL)
1259 return (EIO);
1260 ai->uai_alt_no = idesc->bAlternateSetting;
1261 break;
1262 case USB_SET_ALTINTERFACE:
1263 if (!(flag & FWRITE))
1264 return (EPERM);
1265 ai = (struct usb_alt_interface *)addr;
1550dfd9 1266 err = usbd_device2interface_handle(sc->sc_udev,
984263bc
MD
1267 ai->uai_interface_index, &iface);
1268 if (err)
1269 return (EINVAL);
1270 err = ugen_set_interface(sc, ai->uai_interface_index, ai->uai_alt_no);
1271 if (err)
1272 return (EINVAL);
1273 break;
1274 case USB_GET_NO_ALT:
1275 ai = (struct usb_alt_interface *)addr;
1276 cdesc = ugen_get_cdesc(sc, ai->uai_config_index, 0);
1277 if (cdesc == NULL)
1278 return (EINVAL);
1279 idesc = usbd_find_idesc(cdesc, ai->uai_interface_index, 0);
1280 if (idesc == NULL) {
1281 free(cdesc, M_TEMP);
1282 return (EINVAL);
1283 }
1284 ai->uai_alt_no = usbd_get_no_alts(cdesc, idesc->bInterfaceNumber);
1285 free(cdesc, M_TEMP);
1286 break;
1287 case USB_GET_DEVICE_DESC:
1288 *(usb_device_descriptor_t *)addr =
1289 *usbd_get_device_descriptor(sc->sc_udev);
1290 break;
1291 case USB_GET_CONFIG_DESC:
1292 cd = (struct usb_config_desc *)addr;
1293 cdesc = ugen_get_cdesc(sc, cd->ucd_config_index, 0);
1294 if (cdesc == NULL)
1295 return (EINVAL);
1296 cd->ucd_desc = *cdesc;
1297 free(cdesc, M_TEMP);
1298 break;
1299 case USB_GET_INTERFACE_DESC:
1300 id = (struct usb_interface_desc *)addr;
1301 cdesc = ugen_get_cdesc(sc, id->uid_config_index, 0);
1302 if (cdesc == NULL)
1303 return (EINVAL);
1304 if (id->uid_config_index == USB_CURRENT_CONFIG_INDEX &&
1305 id->uid_alt_index == USB_CURRENT_ALT_INDEX)
1306 alt = ugen_get_alt_index(sc, id->uid_interface_index);
1307 else
1308 alt = id->uid_alt_index;
1309 idesc = usbd_find_idesc(cdesc, id->uid_interface_index, alt);
1310 if (idesc == NULL) {
1311 free(cdesc, M_TEMP);
1312 return (EINVAL);
1313 }
1314 id->uid_desc = *idesc;
1315 free(cdesc, M_TEMP);
1316 break;
1317 case USB_GET_ENDPOINT_DESC:
1318 ed = (struct usb_endpoint_desc *)addr;
1319 cdesc = ugen_get_cdesc(sc, ed->ued_config_index, 0);
1320 if (cdesc == NULL)
1321 return (EINVAL);
1322 if (ed->ued_config_index == USB_CURRENT_CONFIG_INDEX &&
1323 ed->ued_alt_index == USB_CURRENT_ALT_INDEX)
1324 alt = ugen_get_alt_index(sc, ed->ued_interface_index);
1325 else
1326 alt = ed->ued_alt_index;
1550dfd9 1327 edesc = usbd_find_edesc(cdesc, ed->ued_interface_index,
984263bc
MD
1328 alt, ed->ued_endpoint_index);
1329 if (edesc == NULL) {
1330 free(cdesc, M_TEMP);
1331 return (EINVAL);
1332 }
1333 ed->ued_desc = *edesc;
1334 free(cdesc, M_TEMP);
1335 break;
1336 case USB_GET_FULL_DESC:
1337 {
1338 int len;
1339 struct iovec iov;
1340 struct uio uio;
1341 struct usb_full_desc *fd = (struct usb_full_desc *)addr;
1342 int error;
1343
1344 cdesc = ugen_get_cdesc(sc, fd->ufd_config_index, &len);
1345 if (len > fd->ufd_size)
1346 len = fd->ufd_size;
1347 iov.iov_base = (caddr_t)fd->ufd_data;
1348 iov.iov_len = len;
1349 uio.uio_iov = &iov;
1350 uio.uio_iovcnt = 1;
1351 uio.uio_resid = len;
1352 uio.uio_offset = 0;
1353 uio.uio_segflg = UIO_USERSPACE;
1354 uio.uio_rw = UIO_READ;
1550dfd9 1355 uio.uio_procp = p;
984263bc 1356 error = uiomove((void *)cdesc, len, &uio);
984263bc
MD
1357 free(cdesc, M_TEMP);
1358 return (error);
1359 }
1360 case USB_GET_STRING_DESC:
1361 si = (struct usb_string_desc *)addr;
1550dfd9 1362 err = usbd_get_string_desc(sc->sc_udev, si->usd_string_index,
984263bc
MD
1363 si->usd_language_id, &si->usd_desc);
1364 if (err)
1365 return (EINVAL);
1366 break;
1367 case USB_DO_REQUEST:
1368 {
1369 struct usb_ctl_request *ur = (void *)addr;
1370 int len = UGETW(ur->ucr_request.wLength);
1371 struct iovec iov;
1372 struct uio uio;
1373 void *ptr = 0;
1374 usbd_status err;
1375 int error = 0;
1376
1377 if (!(flag & FWRITE))
1378 return (EPERM);
1379 /* Avoid requests that would damage the bus integrity. */
1380 if ((ur->ucr_request.bmRequestType == UT_WRITE_DEVICE &&
1381 ur->ucr_request.bRequest == UR_SET_ADDRESS) ||
1382 (ur->ucr_request.bmRequestType == UT_WRITE_DEVICE &&
1383 ur->ucr_request.bRequest == UR_SET_CONFIG) ||
1384 (ur->ucr_request.bmRequestType == UT_WRITE_INTERFACE &&
1385 ur->ucr_request.bRequest == UR_SET_INTERFACE))
1386 return (EINVAL);
1387
1388 if (len < 0 || len > 32767)
1389 return (EINVAL);
1390 if (len != 0) {
1391 iov.iov_base = (caddr_t)ur->ucr_data;
1392 iov.iov_len = len;
1393 uio.uio_iov = &iov;
1394 uio.uio_iovcnt = 1;
1395 uio.uio_resid = len;
1396 uio.uio_offset = 0;
1397 uio.uio_segflg = UIO_USERSPACE;
1398 uio.uio_rw =
1550dfd9 1399 ur->ucr_request.bmRequestType & UT_READ ?
984263bc 1400 UIO_READ : UIO_WRITE;
dadab5e9 1401 uio.uio_td = p;
984263bc
MD
1402 ptr = malloc(len, M_TEMP, M_WAITOK);
1403 if (uio.uio_rw == UIO_WRITE) {
1404 error = uiomove(ptr, len, &uio);
1405 if (error)
1406 goto ret;
1407 }
1408 }
1550dfd9
MD
1409 sce = &sc->sc_endpoints[endpt][IN];
1410 err = usbd_do_request_flags(sc->sc_udev, &ur->ucr_request,
1411 ptr, ur->ucr_flags, &ur->ucr_actlen, sce->timeout);
984263bc
MD
1412 if (err) {
1413 error = EIO;
1414 goto ret;
1415 }
1416 if (len != 0) {
1417 if (uio.uio_rw == UIO_READ) {
1418 error = uiomove(ptr, len, &uio);
1419 if (error)
1420 goto ret;
1421 }
1422 }
1423 ret:
1424 if (ptr)
1425 free(ptr, M_TEMP);
1426 return (error);
1427 }
1428 case USB_GET_DEVICEINFO:
1429 usbd_fill_deviceinfo(sc->sc_udev,
1550dfd9 1430 (struct usb_device_info *)addr, 1);
984263bc
MD
1431 break;
1432 default:
1433 return (EINVAL);
1434 }
1435 return (0);
1436}
1437
1438int
1439ugenioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, usb_proc_ptr p)
1440{
1441 int endpt = UGENENDPOINT(dev);
1442 struct ugen_softc *sc;
1443 int error;
1444
1445 USB_GET_SC(ugen, UGENUNIT(dev), sc);
1446
1447 sc->sc_refcnt++;
1448 error = ugen_do_ioctl(sc, endpt, cmd, addr, flag, p);
1449 if (--sc->sc_refcnt < 0)
1450 usb_detach_wakeup(USBDEV(sc->sc_dev));
1451 return (error);
1452}
1453
1454int
1455ugenpoll(dev_t dev, int events, usb_proc_ptr p)
1456{
1457 struct ugen_softc *sc;
1458 struct ugen_endpoint *sce;
1459 int revents = 0;
984263bc
MD
1460
1461 USB_GET_SC(ugen, UGENUNIT(dev), sc);
1462
1463 if (sc->sc_dying)
1464 return (EIO);
1465
1466 /* XXX always IN */
1467 sce = &sc->sc_endpoints[UGENENDPOINT(dev)][IN];
1468 if (sce == NULL)
1469 return (EINVAL);
1550dfd9 1470
984263bc
MD
1471 if (!sce->edesc) {
1472 printf("ugenpoll: no edesc\n");
1473 return (EIO);
1474 }
1475 if (!sce->pipeh) {
1476 printf("ugenpoll: no pipe\n");
1477 return (EIO);
1478 }
1550dfd9 1479
4e01b467 1480 crit_enter();
984263bc
MD
1481 switch (sce->edesc->bmAttributes & UE_XFERTYPE) {
1482 case UE_INTERRUPT:
1483 if (events & (POLLIN | POLLRDNORM)) {
1484 if (sce->q.c_cc > 0)
1485 revents |= events & (POLLIN | POLLRDNORM);
1486 else
1487 selrecord(p, &sce->rsel);
1488 }
1489 break;
1490 case UE_ISOCHRONOUS:
1491 if (events & (POLLIN | POLLRDNORM)) {
1492 if (sce->cur != sce->fill)
1493 revents |= events & (POLLIN | POLLRDNORM);
1494 else
1495 selrecord(p, &sce->rsel);
1496 }
1497 break;
1498 case UE_BULK:
1550dfd9 1499 /*
984263bc
MD
1500 * We have no easy way of determining if a read will
1501 * yield any data or a write will happen.
1502 * Pretend they will.
1503 */
1550dfd9 1504 revents |= events &
984263bc
MD
1505 (POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM);
1506 break;
1507 default:
1508 break;
1509 }
4e01b467 1510 crit_exit();
984263bc
MD
1511 return (revents);
1512}
1513
d47ac1a2 1514#if defined(__FreeBSD__) || defined(__DragonFly__)
984263bc
MD
1515DRIVER_MODULE(ugen, uhub, ugen_driver, ugen_devclass, usbd_driver_load, 0);
1516#endif