uaudio.c revision 1.92 1 /* $NetBSD: uaudio.c,v 1.92 2004/11/13 15:01:48 kent Exp $ */
2
3 /*
4 * Copyright (c) 1999 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 (at) augustsson.net) at
9 * Carlstedt Research & Technology.
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 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * USB audio specs: http://www.usb.org/developers/devclass_docs/audio10.pdf
42 * http://www.usb.org/developers/devclass_docs/frmts10.pdf
43 * http://www.usb.org/developers/devclass_docs/termt10.pdf
44 */
45
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.92 2004/11/13 15:01:48 kent Exp $");
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/malloc.h>
53 #include <sys/device.h>
54 #include <sys/ioctl.h>
55 #include <sys/tty.h>
56 #include <sys/file.h>
57 #include <sys/reboot.h> /* for bootverbose */
58 #include <sys/select.h>
59 #include <sys/proc.h>
60 #include <sys/vnode.h>
61 #include <sys/device.h>
62 #include <sys/poll.h>
63
64 #include <sys/audioio.h>
65 #include <dev/audio_if.h>
66 #include <dev/audiovar.h>
67 #include <dev/mulaw.h>
68 #include <dev/auconv.h>
69
70 #include <dev/usb/usb.h>
71 #include <dev/usb/usbdi.h>
72 #include <dev/usb/usbdi_util.h>
73 #include <dev/usb/usb_quirks.h>
74
75 #include <dev/usb/uaudioreg.h>
76
77 /* #define UAUDIO_DEBUG */
78 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
79 #ifdef UAUDIO_DEBUG
80 #define DPRINTF(x) do { if (uaudiodebug) logprintf x; } while (0)
81 #define DPRINTFN(n,x) do { if (uaudiodebug>(n)) logprintf x; } while (0)
82 int uaudiodebug = 0;
83 #else
84 #define DPRINTF(x)
85 #define DPRINTFN(n,x)
86 #endif
87
88 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
89 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
90
91
92 #define MIX_MAX_CHAN 8
93 struct mixerctl {
94 u_int16_t wValue[MIX_MAX_CHAN]; /* using nchan */
95 u_int16_t wIndex;
96 u_int8_t nchan;
97 u_int8_t type;
98 #define MIX_ON_OFF 1
99 #define MIX_SIGNED_16 2
100 #define MIX_UNSIGNED_16 3
101 #define MIX_SIGNED_8 4
102 #define MIX_SELECTOR 5
103 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
104 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
105 int minval, maxval;
106 u_int delta;
107 u_int mul;
108 u_int8_t class;
109 char ctlname[MAX_AUDIO_DEV_LEN];
110 char *ctlunit;
111 };
112 #define MAKE(h,l) (((h) << 8) | (l))
113
114 struct as_info {
115 u_int8_t alt;
116 u_int8_t encoding;
117 u_int8_t attributes; /* Copy of bmAttributes of
118 * usb_audio_streaming_endpoint_descriptor
119 */
120 usbd_interface_handle ifaceh;
121 const usb_interface_descriptor_t *idesc;
122 const usb_endpoint_descriptor_audio_t *edesc;
123 const usb_endpoint_descriptor_audio_t *edesc1;
124 const struct usb_audio_streaming_type1_descriptor *asf1desc;
125 struct audio_format *aformat;
126 int sc_busy; /* currently used */
127 };
128
129 struct chan {
130 void (*intr)(void *); /* DMA completion intr handler */
131 void *arg; /* arg for intr() */
132 usbd_pipe_handle pipe;
133 usbd_pipe_handle sync_pipe;
134
135 u_int sample_size;
136 u_int sample_rate;
137 u_int bytes_per_frame;
138 u_int fraction; /* fraction/1000 is the extra samples/frame */
139 u_int residue; /* accumulates the fractional samples */
140
141 u_char *start; /* upper layer buffer start */
142 u_char *end; /* upper layer buffer end */
143 u_char *cur; /* current position in upper layer buffer */
144 int blksize; /* chunk size to report up */
145 int transferred; /* transferred bytes not reported up */
146
147 int altidx; /* currently used altidx */
148
149 int curchanbuf;
150 struct chanbuf {
151 struct chan *chan;
152 usbd_xfer_handle xfer;
153 u_char *buffer;
154 u_int16_t sizes[UAUDIO_NFRAMES];
155 u_int16_t offsets[UAUDIO_NFRAMES];
156 u_int16_t size;
157 } chanbufs[UAUDIO_NCHANBUFS];
158
159 struct uaudio_softc *sc; /* our softc */
160 };
161
162 struct uaudio_softc {
163 USBBASEDEVICE sc_dev; /* base device */
164 usbd_device_handle sc_udev; /* USB device */
165 int sc_ac_iface; /* Audio Control interface */
166 usbd_interface_handle sc_ac_ifaceh;
167 struct chan sc_playchan; /* play channel */
168 struct chan sc_recchan; /* record channel */
169 int sc_nullalt;
170 int sc_audio_rev;
171 struct as_info *sc_alts; /* alternate settings */
172 int sc_nalts; /* # of alternate settings */
173 int sc_altflags;
174 #define HAS_8 0x01
175 #define HAS_16 0x02
176 #define HAS_8U 0x04
177 #define HAS_ALAW 0x08
178 #define HAS_MULAW 0x10
179 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
180 #define HAS_24 0x40
181 int sc_mode; /* play/record capability */
182 struct mixerctl *sc_ctls; /* mixer controls */
183 int sc_nctls; /* # of mixer controls */
184 device_ptr_t sc_audiodev;
185 struct audio_format *sc_formats;
186 int sc_nformats;
187 struct audio_encoding_set *sc_encodings;
188 u_int sc_channel_config;
189 char sc_dying;
190 };
191
192 struct terminal_list {
193 int size;
194 uint16_t terminals[1];
195 };
196 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
197 + sizeof(uint16_t) * (N))
198
199 struct io_terminal {
200 union {
201 const usb_descriptor_t *desc;
202 const struct usb_audio_input_terminal *it;
203 const struct usb_audio_output_terminal *ot;
204 const struct usb_audio_mixer_unit *mu;
205 const struct usb_audio_selector_unit *su;
206 const struct usb_audio_feature_unit *fu;
207 const struct usb_audio_processing_unit *pu;
208 const struct usb_audio_extension_unit *eu;
209 } d;
210 int inputs_size;
211 struct terminal_list **inputs; /* list of source input terminals */
212 struct terminal_list *output; /* list of destination output terminals */
213 int direct; /* directly connected to an output terminal */
214 };
215
216 #define UAC_OUTPUT 0
217 #define UAC_INPUT 1
218 #define UAC_EQUAL 2
219 #define UAC_RECORD 3
220 #define UAC_NCLASSES 4
221 #ifdef UAUDIO_DEBUG
222 Static const char *uac_names[] = {
223 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
224 };
225 #endif
226
227 Static usbd_status uaudio_identify_ac
228 (struct uaudio_softc *, const usb_config_descriptor_t *);
229 Static usbd_status uaudio_identify_as
230 (struct uaudio_softc *, const usb_config_descriptor_t *);
231 Static usbd_status uaudio_process_as
232 (struct uaudio_softc *, const char *, int *, int,
233 const usb_interface_descriptor_t *);
234
235 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *);
236
237 Static const usb_interface_descriptor_t *uaudio_find_iface
238 (const char *, int, int *, int);
239
240 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *);
241 Static char *uaudio_id_name
242 (struct uaudio_softc *, const struct io_terminal *, int);
243 #ifdef UAUDIO_DEBUG
244 Static void uaudio_dump_cluster(const struct usb_audio_cluster *);
245 #endif
246 Static struct usb_audio_cluster uaudio_get_cluster
247 (int, const struct io_terminal *);
248 Static void uaudio_add_input
249 (struct uaudio_softc *, const struct io_terminal *, int);
250 Static void uaudio_add_output
251 (struct uaudio_softc *, const struct io_terminal *, int);
252 Static void uaudio_add_mixer
253 (struct uaudio_softc *, const struct io_terminal *, int);
254 Static void uaudio_add_selector
255 (struct uaudio_softc *, const struct io_terminal *, int);
256 #ifdef UAUDIO_DEBUG
257 Static const char *uaudio_get_terminal_name(int);
258 #endif
259 Static int uaudio_determine_class
260 (const struct io_terminal *, struct mixerctl *);
261 Static const char *uaudio_feature_name
262 (const struct io_terminal *, struct mixerctl *);
263 Static void uaudio_add_feature
264 (struct uaudio_softc *, const struct io_terminal *, int);
265 Static void uaudio_add_processing_updown
266 (struct uaudio_softc *, const struct io_terminal *, int);
267 Static void uaudio_add_processing
268 (struct uaudio_softc *, const struct io_terminal *, int);
269 Static void uaudio_add_extension
270 (struct uaudio_softc *, const struct io_terminal *, int);
271 Static struct terminal_list *uaudio_merge_terminal_list
272 (const struct io_terminal *);
273 Static struct terminal_list *uaudio_io_terminaltype
274 (int, struct io_terminal *, int);
275 Static usbd_status uaudio_identify
276 (struct uaudio_softc *, const usb_config_descriptor_t *);
277
278 Static int uaudio_signext(int, int);
279 Static int uaudio_value2bsd(struct mixerctl *, int);
280 Static int uaudio_bsd2value(struct mixerctl *, int);
281 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int);
282 Static int uaudio_ctl_get
283 (struct uaudio_softc *, int, struct mixerctl *, int);
284 Static void uaudio_set
285 (struct uaudio_softc *, int, int, int, int, int, int);
286 Static void uaudio_ctl_set
287 (struct uaudio_softc *, int, struct mixerctl *, int, int);
288
289 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int);
290
291 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *);
292 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
293 Static usbd_status uaudio_chan_alloc_buffers
294 (struct uaudio_softc *, struct chan *);
295 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
296 Static void uaudio_chan_init
297 (struct chan *, int, const struct audio_params *, int);
298 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
299 Static void uaudio_chan_ptransfer(struct chan *);
300 Static void uaudio_chan_pintr
301 (usbd_xfer_handle, usbd_private_handle, usbd_status);
302
303 Static void uaudio_chan_rtransfer(struct chan *);
304 Static void uaudio_chan_rintr
305 (usbd_xfer_handle, usbd_private_handle, usbd_status);
306
307 Static int uaudio_open(void *, int);
308 Static void uaudio_close(void *);
309 Static int uaudio_drain(void *);
310 Static int uaudio_query_encoding(void *, struct audio_encoding *);
311 Static int uaudio_set_params
312 (void *, int, int, struct audio_params *, struct audio_params *);
313 Static int uaudio_round_blocksize(void *, int);
314 Static int uaudio_trigger_output
315 (void *, void *, void *, int, void (*)(void *), void *,
316 struct audio_params *);
317 Static int uaudio_trigger_input
318 (void *, void *, void *, int, void (*)(void *), void *,
319 struct audio_params *);
320 Static int uaudio_halt_in_dma(void *);
321 Static int uaudio_halt_out_dma(void *);
322 Static int uaudio_getdev(void *, struct audio_device *);
323 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
324 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
325 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
326 Static int uaudio_get_props(void *);
327
328 Static const struct audio_hw_if uaudio_hw_if = {
329 uaudio_open,
330 uaudio_close,
331 uaudio_drain,
332 uaudio_query_encoding,
333 uaudio_set_params,
334 uaudio_round_blocksize,
335 NULL,
336 NULL,
337 NULL,
338 NULL,
339 NULL,
340 uaudio_halt_out_dma,
341 uaudio_halt_in_dma,
342 NULL,
343 uaudio_getdev,
344 NULL,
345 uaudio_mixer_set_port,
346 uaudio_mixer_get_port,
347 uaudio_query_devinfo,
348 NULL,
349 NULL,
350 NULL,
351 NULL,
352 uaudio_get_props,
353 uaudio_trigger_output,
354 uaudio_trigger_input,
355 NULL,
356 };
357
358 Static struct audio_device uaudio_device = {
359 "USB audio",
360 "",
361 "uaudio"
362 };
363
364 USB_DECLARE_DRIVER(uaudio);
365
366 USB_MATCH(uaudio)
367 {
368 USB_MATCH_START(uaudio, uaa);
369 usb_interface_descriptor_t *id;
370
371 if (uaa->iface == NULL)
372 return (UMATCH_NONE);
373
374 id = usbd_get_interface_descriptor(uaa->iface);
375 /* Trigger on the control interface. */
376 if (id == NULL ||
377 id->bInterfaceClass != UICLASS_AUDIO ||
378 id->bInterfaceSubClass != UISUBCLASS_AUDIOCONTROL ||
379 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
380 return (UMATCH_NONE);
381
382 return (UMATCH_IFACECLASS_IFACESUBCLASS);
383 }
384
385 USB_ATTACH(uaudio)
386 {
387 USB_ATTACH_START(uaudio, sc, uaa);
388 usb_interface_descriptor_t *id;
389 usb_config_descriptor_t *cdesc;
390 char devinfo[1024];
391 usbd_status err;
392 int i, j, found;
393
394 usbd_devinfo(uaa->device, 0, devinfo, sizeof(devinfo));
395 printf(": %s\n", devinfo);
396
397 sc->sc_udev = uaa->device;
398
399 cdesc = usbd_get_config_descriptor(sc->sc_udev);
400 if (cdesc == NULL) {
401 printf("%s: failed to get configuration descriptor\n",
402 USBDEVNAME(sc->sc_dev));
403 USB_ATTACH_ERROR_RETURN;
404 }
405
406 err = uaudio_identify(sc, cdesc);
407 if (err) {
408 printf("%s: audio descriptors make no sense, error=%d\n",
409 USBDEVNAME(sc->sc_dev), err);
410 USB_ATTACH_ERROR_RETURN;
411 }
412
413 sc->sc_ac_ifaceh = uaa->iface;
414 /* Pick up the AS interface. */
415 for (i = 0; i < uaa->nifaces; i++) {
416 if (uaa->ifaces[i] == NULL)
417 continue;
418 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
419 if (id == NULL)
420 continue;
421 found = 0;
422 for (j = 0; j < sc->sc_nalts; j++) {
423 if (id->bInterfaceNumber ==
424 sc->sc_alts[j].idesc->bInterfaceNumber) {
425 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
426 found = 1;
427 }
428 }
429 if (found)
430 uaa->ifaces[i] = NULL;
431 }
432
433 for (j = 0; j < sc->sc_nalts; j++) {
434 if (sc->sc_alts[j].ifaceh == NULL) {
435 printf("%s: alt %d missing AS interface(s)\n",
436 USBDEVNAME(sc->sc_dev), j);
437 USB_ATTACH_ERROR_RETURN;
438 }
439 }
440
441 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev),
442 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
443
444 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
445 sc->sc_playchan.altidx = -1;
446 sc->sc_recchan.altidx = -1;
447
448 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
449 sc->sc_altflags |= UA_NOFRAC;
450
451 #ifndef UAUDIO_DEBUG
452 if (bootverbose)
453 #endif
454 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev),
455 sc->sc_nctls);
456
457 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
458 USBDEV(sc->sc_dev));
459
460 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
461 #if defined(__OpenBSD__)
462 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
463 #else
464 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
465 #endif
466
467 USB_ATTACH_SUCCESS_RETURN;
468 }
469
470 int
471 uaudio_activate(device_ptr_t self, enum devact act)
472 {
473 struct uaudio_softc *sc = (struct uaudio_softc *)self;
474 int rv = 0;
475
476 switch (act) {
477 case DVACT_ACTIVATE:
478 return (EOPNOTSUPP);
479 break;
480
481 case DVACT_DEACTIVATE:
482 if (sc->sc_audiodev != NULL)
483 rv = config_deactivate(sc->sc_audiodev);
484 sc->sc_dying = 1;
485 break;
486 }
487 return (rv);
488 }
489
490 int
491 uaudio_detach(device_ptr_t self, int flags)
492 {
493 struct uaudio_softc *sc = (struct uaudio_softc *)self;
494 int rv = 0;
495
496 /* Wait for outstanding requests to complete. */
497 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
498
499 if (sc->sc_audiodev != NULL)
500 rv = config_detach(sc->sc_audiodev, flags);
501
502 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
503 USBDEV(sc->sc_dev));
504
505 if (sc->sc_formats != NULL)
506 free(sc->sc_formats, M_USBDEV);
507 auconv_delete_encodings(sc->sc_encodings);
508 return (rv);
509 }
510
511 Static int
512 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
513 {
514 struct uaudio_softc *sc = addr;
515 int flags = sc->sc_altflags;
516
517 if (sc->sc_dying)
518 return (EIO);
519
520 if (sc->sc_nalts == 0 || flags == 0)
521 return (ENXIO);
522
523 return auconv_query_encoding(sc->sc_encodings, fp);
524 }
525
526 Static const usb_interface_descriptor_t *
527 uaudio_find_iface(const char *buf, int size, int *offsp, int subtype)
528 {
529 const usb_interface_descriptor_t *d;
530
531 while (*offsp < size) {
532 d = (const void *)(buf + *offsp);
533 *offsp += d->bLength;
534 if (d->bDescriptorType == UDESC_INTERFACE &&
535 d->bInterfaceClass == UICLASS_AUDIO &&
536 d->bInterfaceSubClass == subtype)
537 return (d);
538 }
539 return (NULL);
540 }
541
542 Static void
543 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
544 {
545 int res;
546 size_t len;
547 struct mixerctl *nmc;
548
549 if (mc->class < UAC_NCLASSES) {
550 DPRINTF(("%s: adding %s.%s\n",
551 __func__, uac_names[mc->class], mc->ctlname));
552 } else {
553 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
554 }
555 len = sizeof(*mc) * (sc->sc_nctls + 1);
556 nmc = malloc(len, M_USBDEV, M_NOWAIT);
557 if (nmc == NULL) {
558 printf("uaudio_mixer_add_ctl: no memory\n");
559 return;
560 }
561 /* Copy old data, if there was any */
562 if (sc->sc_nctls != 0) {
563 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
564 free(sc->sc_ctls, M_USBDEV);
565 }
566 sc->sc_ctls = nmc;
567
568 mc->delta = 0;
569 if (mc->type == MIX_ON_OFF) {
570 mc->minval = 0;
571 mc->maxval = 1;
572 } else if (mc->type == MIX_SELECTOR) {
573 ;
574 } else {
575 /* Determine min and max values. */
576 mc->minval = uaudio_signext(mc->type,
577 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
578 mc->wValue[0], mc->wIndex,
579 MIX_SIZE(mc->type)));
580 mc->maxval = 1 + uaudio_signext(mc->type,
581 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
582 mc->wValue[0], mc->wIndex,
583 MIX_SIZE(mc->type)));
584 mc->mul = mc->maxval - mc->minval;
585 if (mc->mul == 0)
586 mc->mul = 1;
587 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
588 mc->wValue[0], mc->wIndex,
589 MIX_SIZE(mc->type));
590 if (res > 0)
591 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
592 }
593
594 sc->sc_ctls[sc->sc_nctls++] = *mc;
595
596 #ifdef UAUDIO_DEBUG
597 if (uaudiodebug > 2) {
598 int i;
599 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
600 for (i = 1; i < mc->nchan; i++)
601 DPRINTF((",%04x", mc->wValue[i]));
602 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
603 "min=%d max=%d\n",
604 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
605 mc->minval, mc->maxval));
606 }
607 #endif
608 }
609
610 Static char *
611 uaudio_id_name(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
612 {
613 static char buf[32];
614 snprintf(buf, sizeof(buf), "i%d", id);
615 return (buf);
616 }
617
618 #ifdef UAUDIO_DEBUG
619 Static void
620 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
621 {
622 static const char *channel_names[16] = {
623 "LEFT", "RIGHT", "CENTER", "LFE",
624 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
625 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
626 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
627 };
628 int cc, i, first;
629
630 cc = UGETW(cl->wChannelConfig);
631 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
632 cl->bNrChannels, cc);
633 first = TRUE;
634 for (i = 0; cc != 0; i++) {
635 if (cc & 1) {
636 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
637 first = FALSE;
638 }
639 cc = cc >> 1;
640 }
641 logprintf("> iChannelNames=%u", cl->iChannelNames);
642 }
643 #endif
644
645 Static struct usb_audio_cluster
646 uaudio_get_cluster(int id, const struct io_terminal *iot)
647 {
648 struct usb_audio_cluster r;
649 const usb_descriptor_t *dp;
650 int i;
651
652 for (i = 0; i < 25; i++) { /* avoid infinite loops */
653 dp = iot[id].d.desc;
654 if (dp == 0)
655 goto bad;
656 switch (dp->bDescriptorSubtype) {
657 case UDESCSUB_AC_INPUT:
658 r.bNrChannels = iot[id].d.it->bNrChannels;
659 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
660 r.iChannelNames = iot[id].d.it->iChannelNames;
661 return (r);
662 case UDESCSUB_AC_OUTPUT:
663 id = iot[id].d.ot->bSourceId;
664 break;
665 case UDESCSUB_AC_MIXER:
666 r = *(struct usb_audio_cluster *)
667 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
668 return (r);
669 case UDESCSUB_AC_SELECTOR:
670 /* XXX This is not really right */
671 id = iot[id].d.su->baSourceId[0];
672 break;
673 case UDESCSUB_AC_FEATURE:
674 id = iot[id].d.fu->bSourceId;
675 break;
676 case UDESCSUB_AC_PROCESSING:
677 r = *(struct usb_audio_cluster *)
678 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
679 return (r);
680 case UDESCSUB_AC_EXTENSION:
681 r = *(struct usb_audio_cluster *)
682 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
683 return (r);
684 default:
685 goto bad;
686 }
687 }
688 bad:
689 printf("uaudio_get_cluster: bad data\n");
690 memset(&r, 0, sizeof r);
691 return (r);
692
693 }
694
695 Static void
696 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
697 {
698 const struct usb_audio_input_terminal *d = iot[id].d.it;
699
700 #ifdef UAUDIO_DEBUG
701 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
702 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
703 "iChannelNames=%d iTerminal=%d\n",
704 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
705 d->bNrChannels, UGETW(d->wChannelConfig),
706 d->iChannelNames, d->iTerminal));
707 #endif
708 /* If USB input terminal, record wChannelConfig */
709 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
710 return;
711 sc->sc_channel_config = UGETW(d->wChannelConfig);
712 }
713
714 Static void
715 uaudio_add_output(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
716 {
717 #ifdef UAUDIO_DEBUG
718 const struct usb_audio_output_terminal *d = iot[id].d.ot;
719
720 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
721 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
722 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
723 d->bSourceId, d->iTerminal));
724 #endif
725 }
726
727 Static void
728 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
729 {
730 const struct usb_audio_mixer_unit *d = iot[id].d.mu;
731 struct usb_audio_mixer_unit_1 *d1;
732 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
733 uByte *bm;
734 struct mixerctl mix;
735
736 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
737 d->bUnitId, d->bNrInPins));
738
739 /* Compute the number of input channels */
740 ichs = 0;
741 for (i = 0; i < d->bNrInPins; i++)
742 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
743
744 /* and the number of output channels */
745 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
746 ochs = d1->bNrChannels;
747 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
748
749 bm = d1->bmControls;
750 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
751 uaudio_determine_class(&iot[id], &mix);
752 mix.type = MIX_SIGNED_16;
753 mix.ctlunit = AudioNvolume;
754 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
755 for (p = i = 0; i < d->bNrInPins; i++) {
756 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
757 mc = 0;
758 for (c = 0; c < chs; c++) {
759 mo = 0;
760 for (o = 0; o < ochs; o++) {
761 bno = (p + c) * ochs + o;
762 if (BIT(bno))
763 mo++;
764 }
765 if (mo == 1)
766 mc++;
767 }
768 if (mc == chs && chs <= MIX_MAX_CHAN) {
769 k = 0;
770 for (c = 0; c < chs; c++)
771 for (o = 0; o < ochs; o++) {
772 bno = (p + c) * ochs + o;
773 if (BIT(bno))
774 mix.wValue[k++] =
775 MAKE(p+c+1, o+1);
776 }
777 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
778 d->bUnitId, uaudio_id_name(sc, iot,
779 d->baSourceId[i]));
780 mix.nchan = chs;
781 uaudio_mixer_add_ctl(sc, &mix);
782 } else {
783 /* XXX */
784 }
785 #undef BIT
786 p += chs;
787 }
788
789 }
790
791 Static void
792 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
793 {
794 const struct usb_audio_selector_unit *d = iot[id].d.su;
795 struct mixerctl mix;
796 int i, wp;
797
798 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
799 d->bUnitId, d->bNrInPins));
800 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
801 mix.wValue[0] = MAKE(0, 0);
802 uaudio_determine_class(&iot[id], &mix);
803 mix.nchan = 1;
804 mix.type = MIX_SELECTOR;
805 mix.ctlunit = "";
806 mix.minval = 1;
807 mix.maxval = d->bNrInPins;
808 mix.mul = mix.maxval - mix.minval;
809 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
810 for (i = 1; i <= d->bNrInPins; i++) {
811 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
812 "i%d", d->baSourceId[i - 1]);
813 if (wp > MAX_AUDIO_DEV_LEN - 1)
814 break;
815 }
816 uaudio_mixer_add_ctl(sc, &mix);
817 }
818
819 #ifdef UAUDIO_DEBUG
820 Static const char *
821 uaudio_get_terminal_name(int terminal_type)
822 {
823 static char buf[100];
824
825 switch (terminal_type) {
826 /* USB terminal types */
827 case UAT_UNDEFINED: return "UAT_UNDEFINED";
828 case UAT_STREAM: return "UAT_STREAM";
829 case UAT_VENDOR: return "UAT_VENDOR";
830 /* input terminal types */
831 case UATI_UNDEFINED: return "UATI_UNDEFINED";
832 case UATI_MICROPHONE: return "UATI_MICROPHONE";
833 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
834 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
835 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
836 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
837 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
838 /* output terminal types */
839 case UATO_UNDEFINED: return "UATO_UNDEFINED";
840 case UATO_SPEAKER: return "UATO_SPEAKER";
841 case UATO_HEADPHONES: return "UATO_HEADPHONES";
842 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
843 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
844 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
845 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
846 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
847 /* bidir terminal types */
848 case UATB_UNDEFINED: return "UATB_UNDEFINED";
849 case UATB_HANDSET: return "UATB_HANDSET";
850 case UATB_HEADSET: return "UATB_HEADSET";
851 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
852 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
853 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
854 /* telephony terminal types */
855 case UATT_UNDEFINED: return "UATT_UNDEFINED";
856 case UATT_PHONELINE: return "UATT_PHONELINE";
857 case UATT_TELEPHONE: return "UATT_TELEPHONE";
858 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
859 /* external terminal types */
860 case UATE_UNDEFINED: return "UATE_UNDEFINED";
861 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
862 case UATE_LINECONN: return "UATE_LINECONN";
863 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
864 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
865 case UATE_SPDIF: return "UATE_SPDIF";
866 case UATE_1394DA: return "UATE_1394DA";
867 case UATE_1394DV: return "UATE_1394DV";
868 /* embedded function terminal types */
869 case UATF_UNDEFINED: return "UATF_UNDEFINED";
870 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
871 case UATF_EQUNOISE: return "UATF_EQUNOISE";
872 case UATF_CDPLAYER: return "UATF_CDPLAYER";
873 case UATF_DAT: return "UATF_DAT";
874 case UATF_DCC: return "UATF_DCC";
875 case UATF_MINIDISK: return "UATF_MINIDISK";
876 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
877 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
878 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
879 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
880 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
881 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
882 case UATF_SATELLITE: return "UATF_SATELLITE";
883 case UATF_CABLETUNER: return "UATF_CABLETUNER";
884 case UATF_DSS: return "UATF_DSS";
885 case UATF_RADIORECV: return "UATF_RADIORECV";
886 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
887 case UATF_MULTITRACK: return "UATF_MULTITRACK";
888 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
889 default:
890 snprintf(buf, sizeof(buf), "unknown type (0x%.4x)", terminal_type);
891 return buf;
892 }
893 }
894 #endif
895
896 Static int
897 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
898 {
899 int terminal_type;
900
901 if (iot == NULL || iot->output == NULL) {
902 mix->class = UAC_OUTPUT;
903 return 0;
904 }
905 terminal_type = 0;
906 if (iot->output->size == 1)
907 terminal_type = iot->output->terminals[0];
908 /*
909 * If the only output terminal is USB,
910 * the class is UAC_RECORD.
911 */
912 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
913 mix->class = UAC_RECORD;
914 if (iot->inputs_size == 1
915 && iot->inputs[0] != NULL
916 && iot->inputs[0]->size == 1)
917 return iot->inputs[0]->terminals[0];
918 else
919 return 0;
920 }
921 /*
922 * If the ultimate destination of the unit is just one output
923 * terminal and the unit is connected to the output terminal
924 * directly, the class is UAC_OUTPUT.
925 */
926 if (terminal_type != 0 && iot->direct) {
927 mix->class = UAC_OUTPUT;
928 return terminal_type;
929 }
930 /*
931 * If the unit is connected to just one input terminal,
932 * the class is UAC_INPUT.
933 */
934 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
935 && iot->inputs[0]->size == 1) {
936 mix->class = UAC_INPUT;
937 return iot->inputs[0]->terminals[0];
938 }
939 /*
940 * Otherwise, the class is UAC_OUTPUT.
941 */
942 mix->class = UAC_OUTPUT;
943 return terminal_type;
944 }
945
946 Static const char *
947 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
948 {
949 int terminal_type;
950
951 terminal_type = uaudio_determine_class(iot, mix);
952 if (mix->class == UAC_RECORD && terminal_type == 0)
953 return AudioNmixerout;
954 DPRINTF(("%s: terminal_type=%s\n", __func__,
955 uaudio_get_terminal_name(terminal_type)));
956 switch (terminal_type) {
957 case UAT_STREAM:
958 return AudioNdac;
959
960 case UATI_MICROPHONE:
961 case UATI_DESKMICROPHONE:
962 case UATI_PERSONALMICROPHONE:
963 case UATI_OMNIMICROPHONE:
964 case UATI_MICROPHONEARRAY:
965 case UATI_PROCMICROPHONEARR:
966 return AudioNmicrophone;
967
968 case UATO_SPEAKER:
969 case UATO_DESKTOPSPEAKER:
970 case UATO_ROOMSPEAKER:
971 case UATO_COMMSPEAKER:
972 return AudioNspeaker;
973
974 case UATO_HEADPHONES:
975 return AudioNheadphone;
976
977 case UATO_SUBWOOFER:
978 return AudioNlfe;
979
980 /* telephony terminal types */
981 case UATT_UNDEFINED:
982 case UATT_PHONELINE:
983 case UATT_TELEPHONE:
984 case UATT_DOWNLINEPHONE:
985 return "phone";
986
987 case UATE_ANALOGCONN:
988 case UATE_LINECONN:
989 case UATE_LEGACYCONN:
990 return AudioNline;
991
992 case UATE_DIGITALAUIFC:
993 case UATE_SPDIF:
994 case UATE_1394DA:
995 case UATE_1394DV:
996 return AudioNaux;
997
998 case UATF_CDPLAYER:
999 return AudioNcd;
1000
1001 case UATF_SYNTHESIZER:
1002 return AudioNfmsynth;
1003
1004 case UATF_VIDEODISCAUDIO:
1005 case UATF_DVDAUDIO:
1006 case UATF_TVTUNERAUDIO:
1007 return AudioNvideo;
1008
1009 case UAT_UNDEFINED:
1010 case UAT_VENDOR:
1011 case UATI_UNDEFINED:
1012 /* output terminal types */
1013 case UATO_UNDEFINED:
1014 case UATO_DISPLAYAUDIO:
1015 /* bidir terminal types */
1016 case UATB_UNDEFINED:
1017 case UATB_HANDSET:
1018 case UATB_HEADSET:
1019 case UATB_SPEAKERPHONE:
1020 case UATB_SPEAKERPHONEESUP:
1021 case UATB_SPEAKERPHONEECANC:
1022 /* external terminal types */
1023 case UATE_UNDEFINED:
1024 /* embedded function terminal types */
1025 case UATF_UNDEFINED:
1026 case UATF_CALIBNOISE:
1027 case UATF_EQUNOISE:
1028 case UATF_DAT:
1029 case UATF_DCC:
1030 case UATF_MINIDISK:
1031 case UATF_ANALOGTAPE:
1032 case UATF_PHONOGRAPH:
1033 case UATF_VCRAUDIO:
1034 case UATF_SATELLITE:
1035 case UATF_CABLETUNER:
1036 case UATF_DSS:
1037 case UATF_RADIORECV:
1038 case UATF_RADIOXMIT:
1039 case UATF_MULTITRACK:
1040 case 0xffff:
1041 default:
1042 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1043 return AudioNmaster;
1044 }
1045 return AudioNmaster;
1046 }
1047
1048 Static void
1049 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1050 {
1051 const struct usb_audio_feature_unit *d = iot[id].d.fu;
1052 uByte *ctls = d->bmaControls;
1053 int ctlsize = d->bControlSize;
1054 int nchan = (d->bLength - 7) / ctlsize;
1055 u_int fumask, mmask, cmask;
1056 struct mixerctl mix;
1057 int chan, ctl, i, unit;
1058 const char *mixername;
1059
1060 #define GET(i) (ctls[(i)*ctlsize] | \
1061 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1062
1063 mmask = GET(0);
1064 /* Figure out what we can control */
1065 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1066 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1067 chan, GET(chan)));
1068 cmask |= GET(chan);
1069 }
1070
1071 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1072 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1073 d->bUnitId, nchan, mmask, cmask));
1074
1075 if (nchan > MIX_MAX_CHAN)
1076 nchan = MIX_MAX_CHAN;
1077 unit = d->bUnitId;
1078 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1079 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1080 fumask = FU_MASK(ctl);
1081 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1082 ctl, fumask));
1083 if (mmask & fumask) {
1084 mix.nchan = 1;
1085 mix.wValue[0] = MAKE(ctl, 0);
1086 } else if (cmask & fumask) {
1087 mix.nchan = nchan - 1;
1088 for (i = 1; i < nchan; i++) {
1089 if (GET(i) & fumask)
1090 mix.wValue[i-1] = MAKE(ctl, i);
1091 else
1092 mix.wValue[i-1] = -1;
1093 }
1094 } else {
1095 continue;
1096 }
1097 #undef GET
1098 mixername = uaudio_feature_name(&iot[id], &mix);
1099 switch (ctl) {
1100 case MUTE_CONTROL:
1101 mix.type = MIX_ON_OFF;
1102 mix.ctlunit = "";
1103 snprintf(mix.ctlname, sizeof(mix.ctlname),
1104 "%s.%s", mixername, AudioNmute);
1105 break;
1106 case VOLUME_CONTROL:
1107 mix.type = MIX_SIGNED_16;
1108 mix.ctlunit = AudioNvolume;
1109 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1110 break;
1111 case BASS_CONTROL:
1112 mix.type = MIX_SIGNED_8;
1113 mix.ctlunit = AudioNbass;
1114 snprintf(mix.ctlname, sizeof(mix.ctlname),
1115 "%s.%s", mixername, AudioNbass);
1116 break;
1117 case MID_CONTROL:
1118 mix.type = MIX_SIGNED_8;
1119 mix.ctlunit = AudioNmid;
1120 snprintf(mix.ctlname, sizeof(mix.ctlname),
1121 "%s.%s", mixername, AudioNmid);
1122 break;
1123 case TREBLE_CONTROL:
1124 mix.type = MIX_SIGNED_8;
1125 mix.ctlunit = AudioNtreble;
1126 snprintf(mix.ctlname, sizeof(mix.ctlname),
1127 "%s.%s", mixername, AudioNtreble);
1128 break;
1129 case GRAPHIC_EQUALIZER_CONTROL:
1130 continue; /* XXX don't add anything */
1131 break;
1132 case AGC_CONTROL:
1133 mix.type = MIX_ON_OFF;
1134 mix.ctlunit = "";
1135 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1136 mixername, AudioNagc);
1137 break;
1138 case DELAY_CONTROL:
1139 mix.type = MIX_UNSIGNED_16;
1140 mix.ctlunit = "4 ms";
1141 snprintf(mix.ctlname, sizeof(mix.ctlname),
1142 "%s.%s", mixername, AudioNdelay);
1143 break;
1144 case BASS_BOOST_CONTROL:
1145 mix.type = MIX_ON_OFF;
1146 mix.ctlunit = "";
1147 snprintf(mix.ctlname, sizeof(mix.ctlname),
1148 "%s.%s", mixername, AudioNbassboost);
1149 break;
1150 case LOUDNESS_CONTROL:
1151 mix.type = MIX_ON_OFF;
1152 mix.ctlunit = "";
1153 snprintf(mix.ctlname, sizeof(mix.ctlname),
1154 "%s.%s", mixername, AudioNloudness);
1155 break;
1156 }
1157 uaudio_mixer_add_ctl(sc, &mix);
1158 }
1159 }
1160
1161 Static void
1162 uaudio_add_processing_updown(struct uaudio_softc *sc,
1163 const struct io_terminal *iot, int id)
1164 {
1165 const struct usb_audio_processing_unit *d = iot[id].d.pu;
1166 const struct usb_audio_processing_unit_1 *d1 =
1167 (const struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins];
1168 const struct usb_audio_processing_unit_updown *ud =
1169 (const struct usb_audio_processing_unit_updown *)
1170 &d1->bmControls[d1->bControlSize];
1171 struct mixerctl mix;
1172 int i;
1173
1174 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1175 d->bUnitId, ud->bNrModes));
1176
1177 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1178 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1179 return;
1180 }
1181
1182 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1183 mix.nchan = 1;
1184 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1185 uaudio_determine_class(&iot[id], &mix);
1186 mix.type = MIX_ON_OFF; /* XXX */
1187 mix.ctlunit = "";
1188 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1189
1190 for (i = 0; i < ud->bNrModes; i++) {
1191 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1192 i, UGETW(ud->waModes[i])));
1193 /* XXX */
1194 }
1195 uaudio_mixer_add_ctl(sc, &mix);
1196 }
1197
1198 Static void
1199 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1200 {
1201 const struct usb_audio_processing_unit *d = iot[id].d.pu;
1202 const struct usb_audio_processing_unit_1 *d1 =
1203 (const struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins];
1204 int ptype = UGETW(d->wProcessType);
1205 struct mixerctl mix;
1206
1207 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1208 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1209
1210 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1211 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1212 mix.nchan = 1;
1213 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1214 uaudio_determine_class(&iot[id], &mix);
1215 mix.type = MIX_ON_OFF;
1216 mix.ctlunit = "";
1217 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1218 d->bUnitId, ptype);
1219 uaudio_mixer_add_ctl(sc, &mix);
1220 }
1221
1222 switch(ptype) {
1223 case UPDOWNMIX_PROCESS:
1224 uaudio_add_processing_updown(sc, iot, id);
1225 break;
1226 case DOLBY_PROLOGIC_PROCESS:
1227 case P3D_STEREO_EXTENDER_PROCESS:
1228 case REVERBATION_PROCESS:
1229 case CHORUS_PROCESS:
1230 case DYN_RANGE_COMP_PROCESS:
1231 default:
1232 #ifdef UAUDIO_DEBUG
1233 printf("uaudio_add_processing: unit %d, type=%d not impl.\n",
1234 d->bUnitId, ptype);
1235 #endif
1236 break;
1237 }
1238 }
1239
1240 Static void
1241 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1242 {
1243 const struct usb_audio_extension_unit *d = iot[id].d.eu;
1244 const struct usb_audio_extension_unit_1 *d1 =
1245 (const struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins];
1246 struct mixerctl mix;
1247
1248 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1249 d->bUnitId, d->bNrInPins));
1250
1251 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1252 return;
1253
1254 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1255 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1256 mix.nchan = 1;
1257 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1258 uaudio_determine_class(&iot[id], &mix);
1259 mix.type = MIX_ON_OFF;
1260 mix.ctlunit = "";
1261 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1262 d->bUnitId);
1263 uaudio_mixer_add_ctl(sc, &mix);
1264 }
1265 }
1266
1267 Static struct terminal_list*
1268 uaudio_merge_terminal_list(const struct io_terminal *iot)
1269 {
1270 struct terminal_list *tml;
1271 uint16_t *ptm;
1272 int i, len;
1273
1274 len = 0;
1275 if (iot->inputs == NULL)
1276 return NULL;
1277 for (i = 0; i < iot->inputs_size; i++) {
1278 if (iot->inputs[i] != NULL)
1279 len += iot->inputs[i]->size;
1280 }
1281 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1282 if (tml == NULL) {
1283 printf("uaudio_merge_terminal_list: no memory\n");
1284 return NULL;
1285 }
1286 tml->size = 0;
1287 ptm = tml->terminals;
1288 for (i = 0; i < iot->inputs_size; i++) {
1289 if (iot->inputs[i] == NULL)
1290 continue;
1291 if (iot->inputs[i]->size > len)
1292 break;
1293 memcpy(ptm, iot->inputs[i]->terminals,
1294 iot->inputs[i]->size * sizeof(uint16_t));
1295 tml->size += iot->inputs[i]->size;
1296 ptm += iot->inputs[i]->size;
1297 len -= iot->inputs[i]->size;
1298 }
1299 return tml;
1300 }
1301
1302 Static struct terminal_list *
1303 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1304 {
1305 struct terminal_list *tml;
1306 struct io_terminal *it;
1307 int src_id, i;
1308
1309 it = &iot[id];
1310 if (it->output != NULL) {
1311 /* already has outtype? */
1312 for (i = 0; i < it->output->size; i++)
1313 if (it->output->terminals[i] == outtype)
1314 return uaudio_merge_terminal_list(it);
1315 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1316 M_TEMP, M_NOWAIT);
1317 if (tml == NULL) {
1318 printf("uaudio_io_terminaltype: no memory\n");
1319 return uaudio_merge_terminal_list(it);
1320 }
1321 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1322 tml->terminals[it->output->size] = outtype;
1323 tml->size++;
1324 free(it->output, M_TEMP);
1325 it->output = tml;
1326 if (it->inputs != NULL) {
1327 for (i = 0; i < it->inputs_size; i++)
1328 if (it->inputs[i] != NULL)
1329 free(it->inputs[i], M_TEMP);
1330 free(it->inputs, M_TEMP);
1331 }
1332 it->inputs_size = 0;
1333 it->inputs = NULL;
1334 } else { /* end `iot[id] != NULL' */
1335 it->inputs_size = 0;
1336 it->inputs = NULL;
1337 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1338 if (it->output == NULL) {
1339 printf("uaudio_io_terminaltype: no memory\n");
1340 return NULL;
1341 }
1342 it->output->terminals[0] = outtype;
1343 it->output->size = 1;
1344 it->direct = FALSE;
1345 }
1346
1347 switch (it->d.desc->bDescriptorSubtype) {
1348 case UDESCSUB_AC_INPUT:
1349 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1350 if (it->inputs == NULL) {
1351 printf("uaudio_io_terminaltype: no memory\n");
1352 return NULL;
1353 }
1354 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1355 if (tml == NULL) {
1356 printf("uaudio_io_terminaltype: no memory\n");
1357 free(it->inputs, M_TEMP);
1358 it->inputs = NULL;
1359 return NULL;
1360 }
1361 it->inputs[0] = tml;
1362 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1363 tml->size = 1;
1364 it->inputs_size = 1;
1365 return uaudio_merge_terminal_list(it);
1366 case UDESCSUB_AC_FEATURE:
1367 src_id = it->d.fu->bSourceId;
1368 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1369 if (it->inputs == NULL) {
1370 printf("uaudio_io_terminaltype: no memory\n");
1371 return uaudio_io_terminaltype(outtype, iot, src_id);
1372 }
1373 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1374 it->inputs_size = 1;
1375 return uaudio_merge_terminal_list(it);
1376 case UDESCSUB_AC_OUTPUT:
1377 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1378 if (it->inputs == NULL) {
1379 printf("uaudio_io_terminaltype: no memory\n");
1380 return NULL;
1381 }
1382 src_id = it->d.ot->bSourceId;
1383 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1384 it->inputs_size = 1;
1385 iot[src_id].direct = TRUE;
1386 return NULL;
1387 case UDESCSUB_AC_MIXER:
1388 it->inputs_size = 0;
1389 it->inputs = malloc(sizeof(struct terminal_list *)
1390 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1391 if (it->inputs == NULL) {
1392 printf("uaudio_io_terminaltype: no memory\n");
1393 return NULL;
1394 }
1395 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1396 src_id = it->d.mu->baSourceId[i];
1397 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1398 src_id);
1399 it->inputs_size++;
1400 }
1401 return uaudio_merge_terminal_list(it);
1402 case UDESCSUB_AC_SELECTOR:
1403 it->inputs_size = 0;
1404 it->inputs = malloc(sizeof(struct terminal_list *)
1405 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1406 if (it->inputs == NULL) {
1407 printf("uaudio_io_terminaltype: no memory\n");
1408 return NULL;
1409 }
1410 for (i = 0; i < it->d.su->bNrInPins; i++) {
1411 src_id = it->d.su->baSourceId[i];
1412 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1413 src_id);
1414 it->inputs_size++;
1415 }
1416 return uaudio_merge_terminal_list(it);
1417 case UDESCSUB_AC_PROCESSING:
1418 it->inputs_size = 0;
1419 it->inputs = malloc(sizeof(struct terminal_list *)
1420 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1421 if (it->inputs == NULL) {
1422 printf("uaudio_io_terminaltype: no memory\n");
1423 return NULL;
1424 }
1425 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1426 src_id = it->d.pu->baSourceId[i];
1427 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1428 src_id);
1429 it->inputs_size++;
1430 }
1431 return uaudio_merge_terminal_list(it);
1432 case UDESCSUB_AC_EXTENSION:
1433 it->inputs_size = 0;
1434 it->inputs = malloc(sizeof(struct terminal_list *)
1435 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1436 if (it->inputs == NULL) {
1437 printf("uaudio_io_terminaltype: no memory\n");
1438 return NULL;
1439 }
1440 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1441 src_id = it->d.eu->baSourceId[i];
1442 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1443 src_id);
1444 it->inputs_size++;
1445 }
1446 return uaudio_merge_terminal_list(it);
1447 case UDESCSUB_AC_HEADER:
1448 default:
1449 return NULL;
1450 }
1451 }
1452
1453 Static usbd_status
1454 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1455 {
1456 usbd_status err;
1457
1458 err = uaudio_identify_ac(sc, cdesc);
1459 if (err)
1460 return (err);
1461 return (uaudio_identify_as(sc, cdesc));
1462 }
1463
1464 Static void
1465 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1466 {
1467 size_t len;
1468 struct as_info *nai;
1469
1470 len = sizeof(*ai) * (sc->sc_nalts + 1);
1471 nai = malloc(len, M_USBDEV, M_NOWAIT);
1472 if (nai == NULL) {
1473 printf("uaudio_add_alt: no memory\n");
1474 return;
1475 }
1476 /* Copy old data, if there was any */
1477 if (sc->sc_nalts != 0) {
1478 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1479 free(sc->sc_alts, M_USBDEV);
1480 }
1481 sc->sc_alts = nai;
1482 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1483 ai->alt, ai->encoding));
1484 sc->sc_alts[sc->sc_nalts++] = *ai;
1485 }
1486
1487 Static usbd_status
1488 uaudio_process_as(struct uaudio_softc *sc, const char *buf, int *offsp,
1489 int size, const usb_interface_descriptor_t *id)
1490 #define offs (*offsp)
1491 {
1492 const struct usb_audio_streaming_interface_descriptor *asid;
1493 const struct usb_audio_streaming_type1_descriptor *asf1d;
1494 const usb_endpoint_descriptor_audio_t *ed;
1495 const usb_endpoint_descriptor_audio_t *epdesc1;
1496 const struct usb_audio_streaming_endpoint_descriptor *sed;
1497 int format, chan, prec, enc;
1498 int dir, type, sync;
1499 struct as_info ai;
1500 const char *format_str;
1501
1502 asid = (const void *)(buf + offs);
1503 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1504 asid->bDescriptorSubtype != AS_GENERAL)
1505 return (USBD_INVAL);
1506 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1507 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1508 offs += asid->bLength;
1509 if (offs > size)
1510 return (USBD_INVAL);
1511
1512 asf1d = (const void *)(buf + offs);
1513 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1514 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1515 return (USBD_INVAL);
1516 offs += asf1d->bLength;
1517 if (offs > size)
1518 return (USBD_INVAL);
1519
1520 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1521 printf("%s: ignored setting with type %d format\n",
1522 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag));
1523 return (USBD_NORMAL_COMPLETION);
1524 }
1525
1526 ed = (const void *)(buf + offs);
1527 if (ed->bDescriptorType != UDESC_ENDPOINT)
1528 return (USBD_INVAL);
1529 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1530 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1531 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1532 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1533 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1534 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1535 offs += ed->bLength;
1536 if (offs > size)
1537 return (USBD_INVAL);
1538 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1539 return (USBD_INVAL);
1540
1541 dir = UE_GET_DIR(ed->bEndpointAddress);
1542 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1543 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1544 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1545 type = UE_ISO_ASYNC;
1546
1547 /* We can't handle endpoints that need a sync pipe yet. */
1548 sync = FALSE;
1549 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1550 sync = TRUE;
1551 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1552 printf("%s: ignored input endpoint of type adaptive\n",
1553 USBDEVNAME(sc->sc_dev));
1554 return (USBD_NORMAL_COMPLETION);
1555 #endif
1556 }
1557 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1558 sync = TRUE;
1559 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1560 printf("%s: ignored output endpoint of type async\n",
1561 USBDEVNAME(sc->sc_dev));
1562 return (USBD_NORMAL_COMPLETION);
1563 #endif
1564 }
1565
1566 sed = (const void *)(buf + offs);
1567 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1568 sed->bDescriptorSubtype != AS_GENERAL)
1569 return (USBD_INVAL);
1570 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1571 offs += sed->bLength;
1572 if (offs > size)
1573 return (USBD_INVAL);
1574
1575 if (sync && id->bNumEndpoints <= 1) {
1576 printf("%s: a sync-pipe endpoint but no other endpoint\n",
1577 USBDEVNAME(sc->sc_dev));
1578 return USBD_INVAL;
1579 }
1580 if (!sync && id->bNumEndpoints > 1) {
1581 printf("%s: non sync-pipe endpoint but multiple endpoints\n",
1582 USBDEVNAME(sc->sc_dev));
1583 return USBD_INVAL;
1584 }
1585 epdesc1 = NULL;
1586 if (id->bNumEndpoints > 1) {
1587 epdesc1 = (const void*)(buf + offs);
1588 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1589 return USBD_INVAL;
1590 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1591 "bDescriptorType=%d bEndpointAddress=%d "
1592 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1593 "bRefresh=%d bSynchAddress=%d\n",
1594 epdesc1->bLength, epdesc1->bDescriptorType,
1595 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1596 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1597 epdesc1->bRefresh, epdesc1->bSynchAddress));
1598 offs += epdesc1->bLength;
1599 if (offs > size)
1600 return USBD_INVAL;
1601 if (epdesc1->bSynchAddress != 0) {
1602 printf("%s: invalid endpoint: bSynchAddress=0\n",
1603 USBDEVNAME(sc->sc_dev));
1604 return USBD_INVAL;
1605 }
1606 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1607 printf("%s: invalid endpoint: bmAttributes=0x%x\n",
1608 USBDEVNAME(sc->sc_dev), epdesc1->bmAttributes);
1609 return USBD_INVAL;
1610 }
1611 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1612 printf("%s: invalid endpoint addresses: "
1613 "ep[0]->bSynchAddress=0x%x "
1614 "ep[1]->bEndpointAddress=0x%x\n",
1615 USBDEVNAME(sc->sc_dev), ed->bSynchAddress,
1616 epdesc1->bEndpointAddress);
1617 return USBD_INVAL;
1618 }
1619 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1620 }
1621
1622 format = UGETW(asid->wFormatTag);
1623 chan = asf1d->bNrChannels;
1624 prec = asf1d->bBitResolution;
1625 if (prec != 8 && prec != 16 && prec != 24) {
1626 printf("%s: ignored setting with precision %d\n",
1627 USBDEVNAME(sc->sc_dev), prec);
1628 return (USBD_NORMAL_COMPLETION);
1629 }
1630 switch (format) {
1631 case UA_FMT_PCM:
1632 if (prec == 8) {
1633 sc->sc_altflags |= HAS_8;
1634 } else if (prec == 16) {
1635 sc->sc_altflags |= HAS_16;
1636 } else if (prec == 24) {
1637 sc->sc_altflags |= HAS_24;
1638 }
1639 enc = AUDIO_ENCODING_SLINEAR_LE;
1640 format_str = "pcm";
1641 break;
1642 case UA_FMT_PCM8:
1643 enc = AUDIO_ENCODING_ULINEAR_LE;
1644 sc->sc_altflags |= HAS_8U;
1645 format_str = "pcm8";
1646 break;
1647 case UA_FMT_ALAW:
1648 enc = AUDIO_ENCODING_ALAW;
1649 sc->sc_altflags |= HAS_ALAW;
1650 format_str = "alaw";
1651 break;
1652 case UA_FMT_MULAW:
1653 enc = AUDIO_ENCODING_ULAW;
1654 sc->sc_altflags |= HAS_MULAW;
1655 format_str = "mulaw";
1656 break;
1657 case UA_FMT_IEEE_FLOAT:
1658 default:
1659 printf("%s: ignored setting with format %d\n",
1660 USBDEVNAME(sc->sc_dev), format);
1661 return (USBD_NORMAL_COMPLETION);
1662 }
1663 #ifdef UAUDIO_DEBUG
1664 printf("%s: %s: %dch, %d/%dbit, %s,", USBDEVNAME(sc->sc_dev),
1665 dir == UE_DIR_IN ? "recording" : "playback",
1666 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1667 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1668 printf(" %d-%dHz\n", UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d));
1669 } else {
1670 int r;
1671 printf(" %d", UA_GETSAMP(asf1d, 0));
1672 for (r = 1; r < asf1d->bSamFreqType; r++)
1673 printf(",%d", UA_GETSAMP(asf1d, r));
1674 printf("Hz\n");
1675 }
1676 #endif
1677 ai.alt = id->bAlternateSetting;
1678 ai.encoding = enc;
1679 ai.attributes = sed->bmAttributes;
1680 ai.idesc = id;
1681 ai.edesc = ed;
1682 ai.edesc1 = epdesc1;
1683 ai.asf1desc = asf1d;
1684 ai.sc_busy = 0;
1685 uaudio_add_alt(sc, &ai);
1686 #ifdef UAUDIO_DEBUG
1687 if (ai.attributes & UA_SED_FREQ_CONTROL)
1688 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1689 if (ai.attributes & UA_SED_PITCH_CONTROL)
1690 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1691 #endif
1692 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1693
1694 return (USBD_NORMAL_COMPLETION);
1695 }
1696 #undef offs
1697
1698 Static usbd_status
1699 uaudio_identify_as(struct uaudio_softc *sc,
1700 const usb_config_descriptor_t *cdesc)
1701 {
1702 const usb_interface_descriptor_t *id;
1703 const char *buf;
1704 struct audio_format *auf;
1705 const struct usb_audio_streaming_type1_descriptor *t1desc;
1706 int size, offs;
1707 int i, j;
1708
1709 size = UGETW(cdesc->wTotalLength);
1710 buf = (const char *)cdesc;
1711
1712 /* Locate the AudioStreaming interface descriptor. */
1713 offs = 0;
1714 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1715 if (id == NULL)
1716 return (USBD_INVAL);
1717
1718 /* Loop through all the alternate settings. */
1719 while (offs <= size) {
1720 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1721 id->bInterfaceNumber, offs));
1722 switch (id->bNumEndpoints) {
1723 case 0:
1724 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1725 id->bAlternateSetting));
1726 sc->sc_nullalt = id->bAlternateSetting;
1727 break;
1728 case 1:
1729 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1730 case 2:
1731 #endif
1732 uaudio_process_as(sc, buf, &offs, size, id);
1733 break;
1734 default:
1735 printf("%s: ignored audio interface with %d "
1736 "endpoints\n",
1737 USBDEVNAME(sc->sc_dev), id->bNumEndpoints);
1738 break;
1739 }
1740 id = uaudio_find_iface(buf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1741 if (id == NULL)
1742 break;
1743 }
1744 if (offs > size)
1745 return (USBD_INVAL);
1746 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1747
1748 if (sc->sc_mode == 0) {
1749 printf("%s: no usable endpoint found\n",
1750 USBDEVNAME(sc->sc_dev));
1751 return (USBD_INVAL);
1752 }
1753
1754 /* build audio_format array */
1755 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1756 M_USBDEV, M_NOWAIT);
1757 if (sc->sc_formats == NULL)
1758 return USBD_NOMEM;
1759 sc->sc_nformats = sc->sc_nalts;
1760 for (i = 0; i < sc->sc_nalts; i++) {
1761 auf = &sc->sc_formats[i];
1762 t1desc = sc->sc_alts[i].asf1desc;
1763 auf->driver_data = NULL;
1764 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1765 auf->mode = AUMODE_PLAY;
1766 else
1767 auf->mode = AUMODE_RECORD;
1768 auf->encoding = sc->sc_alts[i].encoding;
1769 auf->precision = t1desc->bBitResolution;
1770 auf->subframe_size = t1desc->bSubFrameSize * 8;
1771 auf->channels = t1desc->bNrChannels;
1772 auf->channel_mask = sc->sc_channel_config;
1773 auf->frequency_type = t1desc->bSamFreqType;
1774 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1775 auf->frequency[0] = UA_SAMP_LO(t1desc);
1776 auf->frequency[1] = UA_SAMP_HI(t1desc);
1777 } else {
1778 for (j = 0; j < t1desc->bSamFreqType; j++) {
1779 if (j >= AUFMT_MAX_FREQUENCIES) {
1780 printf("%s: please increase "
1781 "AUFMT_MAX_FREQUENCIES to %d\n",
1782 __func__, t1desc->bSamFreqType);
1783 break;
1784 }
1785 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1786 }
1787 }
1788 sc->sc_alts[i].aformat = auf;
1789 }
1790
1791 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1792 &sc->sc_encodings)) {
1793 free(sc->sc_formats, M_DEVBUF);
1794 sc->sc_formats = NULL;
1795 return ENOMEM;
1796 }
1797
1798 return (USBD_NORMAL_COMPLETION);
1799 }
1800
1801 Static usbd_status
1802 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1803 {
1804 struct io_terminal* iot;
1805 const usb_interface_descriptor_t *id;
1806 const struct usb_audio_control_descriptor *acdp;
1807 const usb_descriptor_t *dp;
1808 const struct usb_audio_output_terminal *pot;
1809 struct terminal_list *tml;
1810 const char *buf, *ibuf, *ibufend;
1811 int size, offs, aclen, ndps, i, j;
1812
1813 size = UGETW(cdesc->wTotalLength);
1814 buf = (char *)cdesc;
1815
1816 /* Locate the AudioControl interface descriptor. */
1817 offs = 0;
1818 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1819 if (id == NULL)
1820 return (USBD_INVAL);
1821 if (offs + sizeof *acdp > size)
1822 return (USBD_INVAL);
1823 sc->sc_ac_iface = id->bInterfaceNumber;
1824 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1825
1826 /* A class-specific AC interface header should follow. */
1827 ibuf = buf + offs;
1828 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1829 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1830 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1831 return (USBD_INVAL);
1832 aclen = UGETW(acdp->wTotalLength);
1833 if (offs + aclen > size)
1834 return (USBD_INVAL);
1835
1836 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1837 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1838 return (USBD_INVAL);
1839
1840 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1841 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1842 sc->sc_audio_rev, aclen));
1843
1844 sc->sc_nullalt = -1;
1845
1846 /* Scan through all the AC specific descriptors */
1847 ibufend = ibuf + aclen;
1848 dp = (const usb_descriptor_t *)ibuf;
1849 ndps = 0;
1850 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1851 if (iot == NULL) {
1852 printf("%s: no memory\n", __func__);
1853 return USBD_NOMEM;
1854 }
1855 for (;;) {
1856 ibuf += dp->bLength;
1857 if (ibuf >= ibufend)
1858 break;
1859 dp = (const usb_descriptor_t *)ibuf;
1860 if (ibuf + dp->bLength > ibufend)
1861 return (USBD_INVAL);
1862 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1863 printf("uaudio_identify_ac: skip desc type=0x%02x\n",
1864 dp->bDescriptorType);
1865 continue;
1866 }
1867 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1868 iot[i].d.desc = dp;
1869 if (i > ndps)
1870 ndps = i;
1871 }
1872 ndps++;
1873
1874 /* construct io_terminal */
1875 for (i = 0; i < ndps; i++) {
1876 dp = iot[i].d.desc;
1877 if (dp == NULL)
1878 continue;
1879 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1880 continue;
1881 pot = iot[i].d.ot;
1882 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1883 if (tml != NULL)
1884 free(tml, M_TEMP);
1885 }
1886
1887 #ifdef UAUDIO_DEBUG
1888 for (i = 0; i < 256; i++) {
1889 struct usb_audio_cluster cluster;
1890
1891 if (iot[i].d.desc == NULL)
1892 continue;
1893 logprintf("id %d:\t", i);
1894 switch (iot[i].d.desc->bDescriptorSubtype) {
1895 case UDESCSUB_AC_INPUT:
1896 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1897 (UGETW(iot[i].d.it->wTerminalType)));
1898 logprintf("\t");
1899 cluster = uaudio_get_cluster(i, iot);
1900 uaudio_dump_cluster(&cluster);
1901 logprintf("\n");
1902 break;
1903 case UDESCSUB_AC_OUTPUT:
1904 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1905 (UGETW(iot[i].d.ot->wTerminalType)));
1906 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1907 break;
1908 case UDESCSUB_AC_MIXER:
1909 logprintf("AC_MIXER src=");
1910 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1911 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1912 logprintf("\n\t");
1913 cluster = uaudio_get_cluster(i, iot);
1914 uaudio_dump_cluster(&cluster);
1915 logprintf("\n");
1916 break;
1917 case UDESCSUB_AC_SELECTOR:
1918 logprintf("AC_SELECTOR src=");
1919 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1920 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1921 logprintf("\n");
1922 break;
1923 case UDESCSUB_AC_FEATURE:
1924 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1925 break;
1926 case UDESCSUB_AC_PROCESSING:
1927 logprintf("AC_PROCESSING src=");
1928 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1929 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1930 logprintf("\n\t");
1931 cluster = uaudio_get_cluster(i, iot);
1932 uaudio_dump_cluster(&cluster);
1933 logprintf("\n");
1934 break;
1935 case UDESCSUB_AC_EXTENSION:
1936 logprintf("AC_EXTENSION src=");
1937 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1938 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1939 logprintf("\n\t");
1940 cluster = uaudio_get_cluster(i, iot);
1941 uaudio_dump_cluster(&cluster);
1942 logprintf("\n");
1943 break;
1944 default:
1945 logprintf("unknown audio control (subtype=%d)\n",
1946 iot[i].d.desc->bDescriptorSubtype);
1947 }
1948 for (j = 0; j < iot[i].inputs_size; j++) {
1949 int k;
1950 logprintf("\tinput%d: ", j);
1951 tml = iot[i].inputs[j];
1952 if (tml == NULL) {
1953 logprintf("NULL\n");
1954 continue;
1955 }
1956 for (k = 0; k < tml->size; k++)
1957 logprintf("%s ", uaudio_get_terminal_name
1958 (tml->terminals[k]));
1959 logprintf("\n");
1960 }
1961 logprintf("\toutput: ");
1962 tml = iot[i].output;
1963 for (j = 0; j < tml->size; j++)
1964 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
1965 logprintf("\n");
1966 }
1967 #endif
1968
1969 for (i = 0; i < ndps; i++) {
1970 dp = iot[i].d.desc;
1971 if (dp == NULL)
1972 continue;
1973 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
1974 i, dp->bDescriptorSubtype));
1975 switch (dp->bDescriptorSubtype) {
1976 case UDESCSUB_AC_HEADER:
1977 printf("uaudio_identify_ac: unexpected AC header\n");
1978 break;
1979 case UDESCSUB_AC_INPUT:
1980 uaudio_add_input(sc, iot, i);
1981 break;
1982 case UDESCSUB_AC_OUTPUT:
1983 uaudio_add_output(sc, iot, i);
1984 break;
1985 case UDESCSUB_AC_MIXER:
1986 uaudio_add_mixer(sc, iot, i);
1987 break;
1988 case UDESCSUB_AC_SELECTOR:
1989 uaudio_add_selector(sc, iot, i);
1990 break;
1991 case UDESCSUB_AC_FEATURE:
1992 uaudio_add_feature(sc, iot, i);
1993 break;
1994 case UDESCSUB_AC_PROCESSING:
1995 uaudio_add_processing(sc, iot, i);
1996 break;
1997 case UDESCSUB_AC_EXTENSION:
1998 uaudio_add_extension(sc, iot, i);
1999 break;
2000 default:
2001 printf("uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2002 dp->bDescriptorSubtype);
2003 break;
2004 }
2005 }
2006
2007 /* delete io_terminal */
2008 for (i = 0; i < 256; i++) {
2009 if (iot[i].d.desc == NULL)
2010 continue;
2011 if (iot[i].inputs != NULL) {
2012 for (j = 0; j < iot[i].inputs_size; j++) {
2013 if (iot[i].inputs[j] != NULL)
2014 free(iot[i].inputs[j], M_TEMP);
2015 }
2016 free(iot[i].inputs, M_TEMP);
2017 }
2018 if (iot[i].output != NULL)
2019 free(iot[i].output, M_TEMP);
2020 iot[i].d.desc = NULL;
2021 }
2022 free(iot, M_TEMP);
2023
2024 return (USBD_NORMAL_COMPLETION);
2025 }
2026
2027 Static int
2028 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2029 {
2030 struct uaudio_softc *sc = addr;
2031 struct mixerctl *mc;
2032 int n, nctls, i;
2033
2034 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2035 if (sc->sc_dying)
2036 return (EIO);
2037
2038 n = mi->index;
2039 nctls = sc->sc_nctls;
2040
2041 switch (n) {
2042 case UAC_OUTPUT:
2043 mi->type = AUDIO_MIXER_CLASS;
2044 mi->mixer_class = UAC_OUTPUT;
2045 mi->next = mi->prev = AUDIO_MIXER_LAST;
2046 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2047 return (0);
2048 case UAC_INPUT:
2049 mi->type = AUDIO_MIXER_CLASS;
2050 mi->mixer_class = UAC_INPUT;
2051 mi->next = mi->prev = AUDIO_MIXER_LAST;
2052 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2053 return (0);
2054 case UAC_EQUAL:
2055 mi->type = AUDIO_MIXER_CLASS;
2056 mi->mixer_class = UAC_EQUAL;
2057 mi->next = mi->prev = AUDIO_MIXER_LAST;
2058 strlcpy(mi->label.name, AudioCequalization,
2059 sizeof(mi->label.name));
2060 return (0);
2061 case UAC_RECORD:
2062 mi->type = AUDIO_MIXER_CLASS;
2063 mi->mixer_class = UAC_RECORD;
2064 mi->next = mi->prev = AUDIO_MIXER_LAST;
2065 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2066 return 0;
2067 default:
2068 break;
2069 }
2070
2071 n -= UAC_NCLASSES;
2072 if (n < 0 || n >= nctls)
2073 return (ENXIO);
2074
2075 mc = &sc->sc_ctls[n];
2076 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2077 mi->mixer_class = mc->class;
2078 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2079 switch (mc->type) {
2080 case MIX_ON_OFF:
2081 mi->type = AUDIO_MIXER_ENUM;
2082 mi->un.e.num_mem = 2;
2083 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2084 sizeof(mi->un.e.member[0].label.name));
2085 mi->un.e.member[0].ord = 0;
2086 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2087 sizeof(mi->un.e.member[1].label.name));
2088 mi->un.e.member[1].ord = 1;
2089 break;
2090 case MIX_SELECTOR:
2091 mi->type = AUDIO_MIXER_ENUM;
2092 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2093 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2094 snprintf(mi->un.e.member[i].label.name,
2095 sizeof(mi->un.e.member[i].label.name),
2096 "%d", i + mc->minval);
2097 mi->un.e.member[i].ord = i + mc->minval;
2098 }
2099 break;
2100 default:
2101 mi->type = AUDIO_MIXER_VALUE;
2102 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2103 mi->un.v.num_channels = mc->nchan;
2104 mi->un.v.delta = mc->delta;
2105 break;
2106 }
2107 return (0);
2108 }
2109
2110 Static int
2111 uaudio_open(void *addr, int flags)
2112 {
2113 struct uaudio_softc *sc = addr;
2114
2115 DPRINTF(("uaudio_open: sc=%p\n", sc));
2116 if (sc->sc_dying)
2117 return (EIO);
2118
2119 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2120 return (EACCES);
2121 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2122 return (EACCES);
2123
2124 return (0);
2125 }
2126
2127 /*
2128 * Close function is called at splaudio().
2129 */
2130 Static void
2131 uaudio_close(void *addr)
2132 {
2133 }
2134
2135 Static int
2136 uaudio_drain(void *addr)
2137 {
2138 struct uaudio_softc *sc = addr;
2139
2140 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2141
2142 return (0);
2143 }
2144
2145 Static int
2146 uaudio_halt_out_dma(void *addr)
2147 {
2148 struct uaudio_softc *sc = addr;
2149
2150 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2151 if (sc->sc_playchan.pipe != NULL) {
2152 uaudio_chan_close(sc, &sc->sc_playchan);
2153 sc->sc_playchan.pipe = NULL;
2154 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2155 sc->sc_playchan.intr = NULL;
2156 }
2157 return (0);
2158 }
2159
2160 Static int
2161 uaudio_halt_in_dma(void *addr)
2162 {
2163 struct uaudio_softc *sc = addr;
2164
2165 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2166 if (sc->sc_recchan.pipe != NULL) {
2167 uaudio_chan_close(sc, &sc->sc_recchan);
2168 sc->sc_recchan.pipe = NULL;
2169 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2170 sc->sc_recchan.intr = NULL;
2171 }
2172 return (0);
2173 }
2174
2175 Static int
2176 uaudio_getdev(void *addr, struct audio_device *retp)
2177 {
2178 struct uaudio_softc *sc = addr;
2179
2180 DPRINTF(("uaudio_mixer_getdev:\n"));
2181 if (sc->sc_dying)
2182 return (EIO);
2183
2184 *retp = uaudio_device;
2185 return (0);
2186 }
2187
2188 /*
2189 * Make sure the block size is large enough to hold all outstanding transfers.
2190 */
2191 Static int
2192 uaudio_round_blocksize(void *addr, int blk)
2193 {
2194 struct uaudio_softc *sc = addr;
2195 int bpf;
2196
2197 DPRINTF(("uaudio_round_blocksize: p.bpf=%d r.bpf=%d\n",
2198 sc->sc_playchan.bytes_per_frame,
2199 sc->sc_recchan.bytes_per_frame));
2200 if (sc->sc_playchan.bytes_per_frame > sc->sc_recchan.bytes_per_frame) {
2201 bpf = sc->sc_playchan.bytes_per_frame
2202 + sc->sc_playchan.sample_size;
2203 } else {
2204 bpf = sc->sc_recchan.bytes_per_frame
2205 + sc->sc_recchan.sample_size;
2206 }
2207 /* XXX */
2208 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2209
2210 bpf = (bpf + 15) &~ 15;
2211
2212 if (blk < bpf)
2213 blk = bpf;
2214
2215 #ifdef DIAGNOSTIC
2216 if (blk <= 0) {
2217 printf("uaudio_round_blocksize: blk=%d\n", blk);
2218 blk = 512;
2219 }
2220 #endif
2221
2222 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk));
2223 return (blk);
2224 }
2225
2226 Static int
2227 uaudio_get_props(void *addr)
2228 {
2229 return (AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT);
2230
2231 }
2232
2233 Static int
2234 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2235 int wIndex, int len)
2236 {
2237 usb_device_request_t req;
2238 u_int8_t data[4];
2239 usbd_status err;
2240 int val;
2241
2242 if (wValue == -1)
2243 return (0);
2244
2245 req.bmRequestType = type;
2246 req.bRequest = which;
2247 USETW(req.wValue, wValue);
2248 USETW(req.wIndex, wIndex);
2249 USETW(req.wLength, len);
2250 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2251 "wIndex=0x%04x len=%d\n",
2252 type, which, wValue, wIndex, len));
2253 err = usbd_do_request(sc->sc_udev, &req, data);
2254 if (err) {
2255 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2256 return (-1);
2257 }
2258 switch (len) {
2259 case 1:
2260 val = data[0];
2261 break;
2262 case 2:
2263 val = data[0] | (data[1] << 8);
2264 break;
2265 default:
2266 DPRINTF(("uaudio_get: bad length=%d\n", len));
2267 return (-1);
2268 }
2269 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2270 return (val);
2271 }
2272
2273 Static void
2274 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2275 int wIndex, int len, int val)
2276 {
2277 usb_device_request_t req;
2278 u_int8_t data[4];
2279 usbd_status err;
2280
2281 if (wValue == -1)
2282 return;
2283
2284 req.bmRequestType = type;
2285 req.bRequest = which;
2286 USETW(req.wValue, wValue);
2287 USETW(req.wIndex, wIndex);
2288 USETW(req.wLength, len);
2289 switch (len) {
2290 case 1:
2291 data[0] = val;
2292 break;
2293 case 2:
2294 data[0] = val;
2295 data[1] = val >> 8;
2296 break;
2297 default:
2298 return;
2299 }
2300 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2301 "wIndex=0x%04x len=%d, val=%d\n",
2302 type, which, wValue, wIndex, len, val & 0xffff));
2303 err = usbd_do_request(sc->sc_udev, &req, data);
2304 #ifdef UAUDIO_DEBUG
2305 if (err)
2306 DPRINTF(("uaudio_set: err=%d\n", err));
2307 #endif
2308 }
2309
2310 Static int
2311 uaudio_signext(int type, int val)
2312 {
2313 if (!MIX_UNSIGNED(type)) {
2314 if (MIX_SIZE(type) == 2)
2315 val = (int16_t)val;
2316 else
2317 val = (int8_t)val;
2318 }
2319 return (val);
2320 }
2321
2322 Static int
2323 uaudio_value2bsd(struct mixerctl *mc, int val)
2324 {
2325 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2326 mc->type, val, mc->minval, mc->maxval));
2327 if (mc->type == MIX_ON_OFF) {
2328 val = (val != 0);
2329 } else if (mc->type == MIX_SELECTOR) {
2330 if (val < mc->minval || val > mc->maxval)
2331 val = mc->minval;
2332 } else
2333 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2334 + mc->mul/2) / mc->mul;
2335 DPRINTFN(5, ("val'=%d\n", val));
2336 return (val);
2337 }
2338
2339 int
2340 uaudio_bsd2value(struct mixerctl *mc, int val)
2341 {
2342 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2343 mc->type, val, mc->minval, mc->maxval));
2344 if (mc->type == MIX_ON_OFF) {
2345 val = (val != 0);
2346 } else if (mc->type == MIX_SELECTOR) {
2347 if (val < mc->minval || val > mc->maxval)
2348 val = mc->minval;
2349 } else
2350 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2351 DPRINTFN(5, ("val'=%d\n", val));
2352 return (val);
2353 }
2354
2355 Static int
2356 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2357 int chan)
2358 {
2359 int val;
2360
2361 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2362 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2363 mc->wIndex, MIX_SIZE(mc->type));
2364 return (uaudio_value2bsd(mc, val));
2365 }
2366
2367 Static void
2368 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2369 int chan, int val)
2370 {
2371 val = uaudio_bsd2value(mc, val);
2372 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2373 mc->wIndex, MIX_SIZE(mc->type), val);
2374 }
2375
2376 Static int
2377 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2378 {
2379 struct uaudio_softc *sc = addr;
2380 struct mixerctl *mc;
2381 int i, n, vals[MIX_MAX_CHAN], val;
2382
2383 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2384
2385 if (sc->sc_dying)
2386 return (EIO);
2387
2388 n = cp->dev - UAC_NCLASSES;
2389 if (n < 0 || n >= sc->sc_nctls)
2390 return (ENXIO);
2391 mc = &sc->sc_ctls[n];
2392
2393 if (mc->type == MIX_ON_OFF) {
2394 if (cp->type != AUDIO_MIXER_ENUM)
2395 return (EINVAL);
2396 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2397 } else if (mc->type == MIX_SELECTOR) {
2398 if (cp->type != AUDIO_MIXER_ENUM)
2399 return (EINVAL);
2400 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2401 } else {
2402 if (cp->type != AUDIO_MIXER_VALUE)
2403 return (EINVAL);
2404 if (cp->un.value.num_channels != 1 &&
2405 cp->un.value.num_channels != mc->nchan)
2406 return (EINVAL);
2407 for (i = 0; i < mc->nchan; i++)
2408 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2409 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2410 for (val = 0, i = 0; i < mc->nchan; i++)
2411 val += vals[i];
2412 vals[0] = val / mc->nchan;
2413 }
2414 for (i = 0; i < cp->un.value.num_channels; i++)
2415 cp->un.value.level[i] = vals[i];
2416 }
2417
2418 return (0);
2419 }
2420
2421 Static int
2422 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2423 {
2424 struct uaudio_softc *sc = addr;
2425 struct mixerctl *mc;
2426 int i, n, vals[MIX_MAX_CHAN];
2427
2428 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2429 if (sc->sc_dying)
2430 return (EIO);
2431
2432 n = cp->dev - UAC_NCLASSES;
2433 if (n < 0 || n >= sc->sc_nctls)
2434 return (ENXIO);
2435 mc = &sc->sc_ctls[n];
2436
2437 if (mc->type == MIX_ON_OFF) {
2438 if (cp->type != AUDIO_MIXER_ENUM)
2439 return (EINVAL);
2440 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2441 } else if (mc->type == MIX_SELECTOR) {
2442 if (cp->type != AUDIO_MIXER_ENUM)
2443 return (EINVAL);
2444 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2445 } else {
2446 if (cp->type != AUDIO_MIXER_VALUE)
2447 return (EINVAL);
2448 if (cp->un.value.num_channels == 1)
2449 for (i = 0; i < mc->nchan; i++)
2450 vals[i] = cp->un.value.level[0];
2451 else if (cp->un.value.num_channels == mc->nchan)
2452 for (i = 0; i < mc->nchan; i++)
2453 vals[i] = cp->un.value.level[i];
2454 else
2455 return (EINVAL);
2456 for (i = 0; i < mc->nchan; i++)
2457 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2458 }
2459 return (0);
2460 }
2461
2462 Static int
2463 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2464 void (*intr)(void *), void *arg,
2465 struct audio_params *param)
2466 {
2467 struct uaudio_softc *sc = addr;
2468 struct chan *ch = &sc->sc_recchan;
2469 usbd_status err;
2470 int i, s;
2471
2472 if (sc->sc_dying)
2473 return (EIO);
2474
2475 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2476 "blksize=%d\n", sc, start, end, blksize));
2477
2478 uaudio_chan_set_param(ch, start, end, blksize);
2479 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2480 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2481 ch->fraction));
2482
2483 err = uaudio_chan_alloc_buffers(sc, ch);
2484 if (err)
2485 return (EIO);
2486
2487 err = uaudio_chan_open(sc, ch);
2488 if (err) {
2489 uaudio_chan_free_buffers(sc, ch);
2490 return (EIO);
2491 }
2492
2493 ch->intr = intr;
2494 ch->arg = arg;
2495
2496 s = splusb();
2497 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2498 uaudio_chan_rtransfer(ch);
2499 splx(s);
2500
2501 return (0);
2502 }
2503
2504 Static int
2505 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2506 void (*intr)(void *), void *arg,
2507 struct audio_params *param)
2508 {
2509 struct uaudio_softc *sc = addr;
2510 struct chan *ch = &sc->sc_playchan;
2511 usbd_status err;
2512 int i, s;
2513
2514 if (sc->sc_dying)
2515 return (EIO);
2516
2517 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2518 "blksize=%d\n", sc, start, end, blksize));
2519
2520 uaudio_chan_set_param(ch, start, end, blksize);
2521 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2522 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2523 ch->fraction));
2524
2525 err = uaudio_chan_alloc_buffers(sc, ch);
2526 if (err)
2527 return (EIO);
2528
2529 err = uaudio_chan_open(sc, ch);
2530 if (err) {
2531 uaudio_chan_free_buffers(sc, ch);
2532 return (EIO);
2533 }
2534
2535 ch->intr = intr;
2536 ch->arg = arg;
2537
2538 s = splusb();
2539 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2540 uaudio_chan_ptransfer(ch);
2541 splx(s);
2542
2543 return (0);
2544 }
2545
2546 /* Set up a pipe for a channel. */
2547 Static usbd_status
2548 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2549 {
2550 struct as_info *as = &sc->sc_alts[ch->altidx];
2551 int endpt = as->edesc->bEndpointAddress;
2552 usbd_status err;
2553
2554 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2555 endpt, ch->sample_rate, as->alt));
2556
2557 /* Set alternate interface corresponding to the mode. */
2558 err = usbd_set_interface(as->ifaceh, as->alt);
2559 if (err)
2560 return (err);
2561
2562 /*
2563 * If just one sampling rate is supported,
2564 * no need to call uaudio_set_speed().
2565 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2566 */
2567 if (as->asf1desc->bSamFreqType != 1) {
2568 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2569 if (err)
2570 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2571 usbd_errstr(err)));
2572 }
2573
2574 ch->pipe = 0;
2575 ch->sync_pipe = 0;
2576 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2577 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2578 if (err)
2579 return err;
2580 if (as->edesc1 != NULL) {
2581 endpt = as->edesc1->bEndpointAddress;
2582 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2583 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2584 }
2585 return err;
2586 }
2587
2588 Static void
2589 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2590 {
2591 struct as_info *as = &sc->sc_alts[ch->altidx];
2592
2593 as->sc_busy = 0;
2594 AUFMT_VALIDATE(as->aformat);
2595 if (sc->sc_nullalt >= 0) {
2596 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2597 sc->sc_nullalt));
2598 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2599 }
2600 if (ch->pipe) {
2601 usbd_abort_pipe(ch->pipe);
2602 usbd_close_pipe(ch->pipe);
2603 }
2604 if (ch->sync_pipe) {
2605 usbd_abort_pipe(ch->sync_pipe);
2606 usbd_close_pipe(ch->sync_pipe);
2607 }
2608 }
2609
2610 Static usbd_status
2611 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2612 {
2613 usbd_xfer_handle xfer;
2614 void *buf;
2615 int i, size;
2616
2617 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2618 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2619 xfer = usbd_alloc_xfer(sc->sc_udev);
2620 if (xfer == 0)
2621 goto bad;
2622 ch->chanbufs[i].xfer = xfer;
2623 buf = usbd_alloc_buffer(xfer, size);
2624 if (buf == 0) {
2625 i++;
2626 goto bad;
2627 }
2628 ch->chanbufs[i].buffer = buf;
2629 ch->chanbufs[i].chan = ch;
2630 }
2631
2632 return (USBD_NORMAL_COMPLETION);
2633
2634 bad:
2635 while (--i >= 0)
2636 /* implicit buffer free */
2637 usbd_free_xfer(ch->chanbufs[i].xfer);
2638 return (USBD_NOMEM);
2639 }
2640
2641 Static void
2642 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2643 {
2644 int i;
2645
2646 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2647 usbd_free_xfer(ch->chanbufs[i].xfer);
2648 }
2649
2650 /* Called at splusb() */
2651 Static void
2652 uaudio_chan_ptransfer(struct chan *ch)
2653 {
2654 struct chanbuf *cb;
2655 int i, n, size, residue, total;
2656
2657 if (ch->sc->sc_dying)
2658 return;
2659
2660 /* Pick the next channel buffer. */
2661 cb = &ch->chanbufs[ch->curchanbuf];
2662 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2663 ch->curchanbuf = 0;
2664
2665 /* Compute the size of each frame in the next transfer. */
2666 residue = ch->residue;
2667 total = 0;
2668 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2669 size = ch->bytes_per_frame;
2670 residue += ch->fraction;
2671 if (residue >= USB_FRAMES_PER_SECOND) {
2672 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2673 size += ch->sample_size;
2674 residue -= USB_FRAMES_PER_SECOND;
2675 }
2676 cb->sizes[i] = size;
2677 total += size;
2678 }
2679 ch->residue = residue;
2680 cb->size = total;
2681
2682 /*
2683 * Transfer data from upper layer buffer to channel buffer, taking
2684 * care of wrapping the upper layer buffer.
2685 */
2686 n = min(total, ch->end - ch->cur);
2687 memcpy(cb->buffer, ch->cur, n);
2688 ch->cur += n;
2689 if (ch->cur >= ch->end)
2690 ch->cur = ch->start;
2691 if (total > n) {
2692 total -= n;
2693 memcpy(cb->buffer + n, ch->cur, total);
2694 ch->cur += total;
2695 }
2696
2697 #ifdef UAUDIO_DEBUG
2698 if (uaudiodebug > 8) {
2699 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2700 cb->buffer, ch->residue));
2701 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2702 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2703 }
2704 }
2705 #endif
2706
2707 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2708 /* Fill the request */
2709 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2710 UAUDIO_NFRAMES, USBD_NO_COPY,
2711 uaudio_chan_pintr);
2712
2713 (void)usbd_transfer(cb->xfer);
2714 }
2715
2716 Static void
2717 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2718 usbd_status status)
2719 {
2720 struct chanbuf *cb = priv;
2721 struct chan *ch = cb->chan;
2722 u_int32_t count;
2723 int s;
2724
2725 /* Return if we are aborting. */
2726 if (status == USBD_CANCELLED)
2727 return;
2728
2729 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2730 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2731 count, ch->transferred));
2732 #ifdef DIAGNOSTIC
2733 if (count != cb->size) {
2734 printf("uaudio_chan_pintr: count(%d) != size(%d)\n",
2735 count, cb->size);
2736 }
2737 #endif
2738
2739 ch->transferred += cb->size;
2740 s = splaudio();
2741 /* Call back to upper layer */
2742 while (ch->transferred >= ch->blksize) {
2743 ch->transferred -= ch->blksize;
2744 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2745 ch->intr, ch->arg));
2746 ch->intr(ch->arg);
2747 }
2748 splx(s);
2749
2750 /* start next transfer */
2751 uaudio_chan_ptransfer(ch);
2752 }
2753
2754 /* Called at splusb() */
2755 Static void
2756 uaudio_chan_rtransfer(struct chan *ch)
2757 {
2758 struct chanbuf *cb;
2759 int i, size, residue, total;
2760
2761 if (ch->sc->sc_dying)
2762 return;
2763
2764 /* Pick the next channel buffer. */
2765 cb = &ch->chanbufs[ch->curchanbuf];
2766 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2767 ch->curchanbuf = 0;
2768
2769 /* Compute the size of each frame in the next transfer. */
2770 residue = ch->residue;
2771 total = 0;
2772 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2773 size = ch->bytes_per_frame;
2774 cb->sizes[i] = size;
2775 cb->offsets[i] = total;
2776 total += size;
2777 }
2778 ch->residue = residue;
2779 cb->size = total;
2780
2781 #ifdef UAUDIO_DEBUG
2782 if (uaudiodebug > 8) {
2783 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2784 cb->buffer, ch->residue));
2785 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2786 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2787 }
2788 }
2789 #endif
2790
2791 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2792 /* Fill the request */
2793 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2794 UAUDIO_NFRAMES, USBD_NO_COPY,
2795 uaudio_chan_rintr);
2796
2797 (void)usbd_transfer(cb->xfer);
2798 }
2799
2800 Static void
2801 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2802 usbd_status status)
2803 {
2804 struct chanbuf *cb = priv;
2805 struct chan *ch = cb->chan;
2806 u_int32_t count;
2807 int s, i, n, frsize;
2808
2809 /* Return if we are aborting. */
2810 if (status == USBD_CANCELLED)
2811 return;
2812
2813 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2814 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2815 count, ch->transferred));
2816
2817 /* count < cb->size is normal for asynchronous source */
2818 #ifdef DIAGNOSTIC
2819 if (count > cb->size) {
2820 printf("uaudio_chan_rintr: count(%d) > size(%d)\n",
2821 count, cb->size);
2822 }
2823 #endif
2824
2825 /*
2826 * Transfer data from channel buffer to upper layer buffer, taking
2827 * care of wrapping the upper layer buffer.
2828 */
2829 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2830 frsize = cb->sizes[i];
2831 n = min(frsize, ch->end - ch->cur);
2832 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2833 ch->cur += n;
2834 if (ch->cur >= ch->end)
2835 ch->cur = ch->start;
2836 if (frsize > n) {
2837 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2838 frsize - n);
2839 ch->cur += frsize - n;
2840 }
2841 }
2842
2843 /* Call back to upper layer */
2844 ch->transferred += count;
2845 s = splaudio();
2846 while (ch->transferred >= ch->blksize) {
2847 ch->transferred -= ch->blksize;
2848 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2849 ch->intr, ch->arg));
2850 ch->intr(ch->arg);
2851 }
2852 splx(s);
2853
2854 /* start next transfer */
2855 uaudio_chan_rtransfer(ch);
2856 }
2857
2858 Static void
2859 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2860 int maxpktsize)
2861 {
2862 int samples_per_frame, sample_size;
2863
2864 ch->altidx = altidx;
2865 sample_size = param->precision * param->factor * param->hw_channels / 8;
2866 samples_per_frame = param->hw_sample_rate / USB_FRAMES_PER_SECOND;
2867 ch->sample_size = sample_size;
2868 ch->sample_rate = param->hw_sample_rate;
2869 if (maxpktsize == 0) {
2870 ch->fraction = param->hw_sample_rate % USB_FRAMES_PER_SECOND;
2871 ch->bytes_per_frame = samples_per_frame * sample_size;
2872 } else {
2873 ch->fraction = 0;
2874 ch->bytes_per_frame = maxpktsize;
2875 }
2876 ch->residue = 0;
2877 }
2878
2879 Static void
2880 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2881 {
2882 ch->start = start;
2883 ch->end = end;
2884 ch->cur = start;
2885 ch->blksize = blksize;
2886 ch->transferred = 0;
2887
2888 ch->curchanbuf = 0;
2889 }
2890
2891 Static int
2892 uaudio_set_params(void *addr, int setmode, int usemode,
2893 struct audio_params *play, struct audio_params *rec)
2894 {
2895 struct uaudio_softc *sc = addr;
2896 int paltidx = -1, raltidx = -1;
2897 struct audio_params *p;
2898 int mode, i;
2899
2900 if (sc->sc_dying)
2901 return (EIO);
2902
2903 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2904 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2905 return (EBUSY);
2906
2907 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2908 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2909 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2910 }
2911 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2912 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2913 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2914 }
2915
2916 /* Some uaudio devices are unidirectional. Don't try to find a
2917 matching mode for the unsupported direction. */
2918 setmode &= sc->sc_mode;
2919
2920 for (mode = AUMODE_RECORD; mode != -1;
2921 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2922 if ((setmode & mode) == 0)
2923 continue;
2924
2925 p = (mode == AUMODE_PLAY) ? play : rec;
2926 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
2927 mode, p, TRUE);
2928 if (i < 0)
2929 return EINVAL;
2930
2931 if (mode == AUMODE_PLAY)
2932 paltidx = i;
2933 else
2934 raltidx = i;
2935 }
2936
2937 if ((setmode & AUMODE_PLAY)) {
2938 /* XXX abort transfer if currently happening? */
2939 uaudio_chan_init(&sc->sc_playchan, paltidx, play, 0);
2940 }
2941 if ((setmode & AUMODE_RECORD)) {
2942 /* XXX abort transfer if currently happening? */
2943 uaudio_chan_init(&sc->sc_recchan, raltidx, rec,
2944 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
2945 }
2946
2947 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2948 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
2949 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2950 }
2951 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2952 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
2953 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2954 }
2955
2956 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
2957 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
2958 (sc->sc_playchan.altidx >= 0)
2959 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
2960 : -1,
2961 (sc->sc_recchan.altidx >= 0)
2962 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
2963 : -1));
2964
2965 return (0);
2966 }
2967
2968 Static usbd_status
2969 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
2970 {
2971 usb_device_request_t req;
2972 u_int8_t data[3];
2973
2974 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
2975 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
2976 req.bRequest = SET_CUR;
2977 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
2978 USETW(req.wIndex, endpt);
2979 USETW(req.wLength, 3);
2980 data[0] = speed;
2981 data[1] = speed >> 8;
2982 data[2] = speed >> 16;
2983
2984 return (usbd_do_request(sc->sc_udev, &req, data));
2985 }
2986