uaudio.c revision 1.93 1 /* $NetBSD: uaudio.c,v 1.93 2005/01/10 22:01:38 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 1.93 2005/01/10 22:01:38 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 stream_filter_list_t *, stream_filter_list_t *);
314 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
315 Static int uaudio_trigger_output
316 (void *, void *, void *, int, void (*)(void *), void *,
317 const audio_params_t *);
318 Static int uaudio_trigger_input
319 (void *, void *, void *, int, void (*)(void *), void *,
320 const audio_params_t *);
321 Static int uaudio_halt_in_dma(void *);
322 Static int uaudio_halt_out_dma(void *);
323 Static int uaudio_getdev(void *, struct audio_device *);
324 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
325 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
326 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
327 Static int uaudio_get_props(void *);
328
329 Static const struct audio_hw_if uaudio_hw_if = {
330 uaudio_open,
331 uaudio_close,
332 uaudio_drain,
333 uaudio_query_encoding,
334 uaudio_set_params,
335 uaudio_round_blocksize,
336 NULL,
337 NULL,
338 NULL,
339 NULL,
340 NULL,
341 uaudio_halt_out_dma,
342 uaudio_halt_in_dma,
343 NULL,
344 uaudio_getdev,
345 NULL,
346 uaudio_mixer_set_port,
347 uaudio_mixer_get_port,
348 uaudio_query_devinfo,
349 NULL,
350 NULL,
351 NULL,
352 NULL,
353 uaudio_get_props,
354 uaudio_trigger_output,
355 uaudio_trigger_input,
356 NULL,
357 };
358
359 Static struct audio_device uaudio_device = {
360 "USB audio",
361 "",
362 "uaudio"
363 };
364
365 USB_DECLARE_DRIVER(uaudio);
366
367 USB_MATCH(uaudio)
368 {
369 USB_MATCH_START(uaudio, uaa);
370 usb_interface_descriptor_t *id;
371
372 if (uaa->iface == NULL)
373 return (UMATCH_NONE);
374
375 id = usbd_get_interface_descriptor(uaa->iface);
376 /* Trigger on the control interface. */
377 if (id == NULL ||
378 id->bInterfaceClass != UICLASS_AUDIO ||
379 id->bInterfaceSubClass != UISUBCLASS_AUDIOCONTROL ||
380 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
381 return (UMATCH_NONE);
382
383 return (UMATCH_IFACECLASS_IFACESUBCLASS);
384 }
385
386 USB_ATTACH(uaudio)
387 {
388 USB_ATTACH_START(uaudio, sc, uaa);
389 usb_interface_descriptor_t *id;
390 usb_config_descriptor_t *cdesc;
391 char devinfo[1024];
392 usbd_status err;
393 int i, j, found;
394
395 usbd_devinfo(uaa->device, 0, devinfo, sizeof(devinfo));
396 printf(": %s\n", devinfo);
397
398 sc->sc_udev = uaa->device;
399
400 cdesc = usbd_get_config_descriptor(sc->sc_udev);
401 if (cdesc == NULL) {
402 printf("%s: failed to get configuration descriptor\n",
403 USBDEVNAME(sc->sc_dev));
404 USB_ATTACH_ERROR_RETURN;
405 }
406
407 err = uaudio_identify(sc, cdesc);
408 if (err) {
409 printf("%s: audio descriptors make no sense, error=%d\n",
410 USBDEVNAME(sc->sc_dev), err);
411 USB_ATTACH_ERROR_RETURN;
412 }
413
414 sc->sc_ac_ifaceh = uaa->iface;
415 /* Pick up the AS interface. */
416 for (i = 0; i < uaa->nifaces; i++) {
417 if (uaa->ifaces[i] == NULL)
418 continue;
419 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
420 if (id == NULL)
421 continue;
422 found = 0;
423 for (j = 0; j < sc->sc_nalts; j++) {
424 if (id->bInterfaceNumber ==
425 sc->sc_alts[j].idesc->bInterfaceNumber) {
426 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
427 found = 1;
428 }
429 }
430 if (found)
431 uaa->ifaces[i] = NULL;
432 }
433
434 for (j = 0; j < sc->sc_nalts; j++) {
435 if (sc->sc_alts[j].ifaceh == NULL) {
436 printf("%s: alt %d missing AS interface(s)\n",
437 USBDEVNAME(sc->sc_dev), j);
438 USB_ATTACH_ERROR_RETURN;
439 }
440 }
441
442 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev),
443 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
444
445 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
446 sc->sc_playchan.altidx = -1;
447 sc->sc_recchan.altidx = -1;
448
449 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
450 sc->sc_altflags |= UA_NOFRAC;
451
452 #ifndef UAUDIO_DEBUG
453 if (bootverbose)
454 #endif
455 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev),
456 sc->sc_nctls);
457
458 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
459 USBDEV(sc->sc_dev));
460
461 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
462 #if defined(__OpenBSD__)
463 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
464 #else
465 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
466 #endif
467
468 USB_ATTACH_SUCCESS_RETURN;
469 }
470
471 int
472 uaudio_activate(device_ptr_t self, enum devact act)
473 {
474 struct uaudio_softc *sc = (struct uaudio_softc *)self;
475 int rv = 0;
476
477 switch (act) {
478 case DVACT_ACTIVATE:
479 return (EOPNOTSUPP);
480 break;
481
482 case DVACT_DEACTIVATE:
483 if (sc->sc_audiodev != NULL)
484 rv = config_deactivate(sc->sc_audiodev);
485 sc->sc_dying = 1;
486 break;
487 }
488 return (rv);
489 }
490
491 int
492 uaudio_detach(device_ptr_t self, int flags)
493 {
494 struct uaudio_softc *sc = (struct uaudio_softc *)self;
495 int rv = 0;
496
497 /* Wait for outstanding requests to complete. */
498 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
499
500 if (sc->sc_audiodev != NULL)
501 rv = config_detach(sc->sc_audiodev, flags);
502
503 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
504 USBDEV(sc->sc_dev));
505
506 if (sc->sc_formats != NULL)
507 free(sc->sc_formats, M_USBDEV);
508 auconv_delete_encodings(sc->sc_encodings);
509 return (rv);
510 }
511
512 Static int
513 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
514 {
515 struct uaudio_softc *sc = addr;
516 int flags = sc->sc_altflags;
517
518 if (sc->sc_dying)
519 return (EIO);
520
521 if (sc->sc_nalts == 0 || flags == 0)
522 return (ENXIO);
523
524 return auconv_query_encoding(sc->sc_encodings, fp);
525 }
526
527 Static const usb_interface_descriptor_t *
528 uaudio_find_iface(const char *buf, int size, int *offsp, int subtype)
529 {
530 const usb_interface_descriptor_t *d;
531
532 while (*offsp < size) {
533 d = (const void *)(buf + *offsp);
534 *offsp += d->bLength;
535 if (d->bDescriptorType == UDESC_INTERFACE &&
536 d->bInterfaceClass == UICLASS_AUDIO &&
537 d->bInterfaceSubClass == subtype)
538 return (d);
539 }
540 return (NULL);
541 }
542
543 Static void
544 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
545 {
546 int res;
547 size_t len;
548 struct mixerctl *nmc;
549
550 if (mc->class < UAC_NCLASSES) {
551 DPRINTF(("%s: adding %s.%s\n",
552 __func__, uac_names[mc->class], mc->ctlname));
553 } else {
554 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
555 }
556 len = sizeof(*mc) * (sc->sc_nctls + 1);
557 nmc = malloc(len, M_USBDEV, M_NOWAIT);
558 if (nmc == NULL) {
559 printf("uaudio_mixer_add_ctl: no memory\n");
560 return;
561 }
562 /* Copy old data, if there was any */
563 if (sc->sc_nctls != 0) {
564 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
565 free(sc->sc_ctls, M_USBDEV);
566 }
567 sc->sc_ctls = nmc;
568
569 mc->delta = 0;
570 if (mc->type == MIX_ON_OFF) {
571 mc->minval = 0;
572 mc->maxval = 1;
573 } else if (mc->type == MIX_SELECTOR) {
574 ;
575 } else {
576 /* Determine min and max values. */
577 mc->minval = uaudio_signext(mc->type,
578 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
579 mc->wValue[0], mc->wIndex,
580 MIX_SIZE(mc->type)));
581 mc->maxval = 1 + uaudio_signext(mc->type,
582 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
583 mc->wValue[0], mc->wIndex,
584 MIX_SIZE(mc->type)));
585 mc->mul = mc->maxval - mc->minval;
586 if (mc->mul == 0)
587 mc->mul = 1;
588 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
589 mc->wValue[0], mc->wIndex,
590 MIX_SIZE(mc->type));
591 if (res > 0)
592 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
593 }
594
595 sc->sc_ctls[sc->sc_nctls++] = *mc;
596
597 #ifdef UAUDIO_DEBUG
598 if (uaudiodebug > 2) {
599 int i;
600 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
601 for (i = 1; i < mc->nchan; i++)
602 DPRINTF((",%04x", mc->wValue[i]));
603 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
604 "min=%d max=%d\n",
605 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
606 mc->minval, mc->maxval));
607 }
608 #endif
609 }
610
611 Static char *
612 uaudio_id_name(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
613 {
614 static char buf[32];
615 snprintf(buf, sizeof(buf), "i%d", id);
616 return (buf);
617 }
618
619 #ifdef UAUDIO_DEBUG
620 Static void
621 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
622 {
623 static const char *channel_names[16] = {
624 "LEFT", "RIGHT", "CENTER", "LFE",
625 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
626 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
627 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
628 };
629 int cc, i, first;
630
631 cc = UGETW(cl->wChannelConfig);
632 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
633 cl->bNrChannels, cc);
634 first = TRUE;
635 for (i = 0; cc != 0; i++) {
636 if (cc & 1) {
637 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
638 first = FALSE;
639 }
640 cc = cc >> 1;
641 }
642 logprintf("> iChannelNames=%u", cl->iChannelNames);
643 }
644 #endif
645
646 Static struct usb_audio_cluster
647 uaudio_get_cluster(int id, const struct io_terminal *iot)
648 {
649 struct usb_audio_cluster r;
650 const usb_descriptor_t *dp;
651 int i;
652
653 for (i = 0; i < 25; i++) { /* avoid infinite loops */
654 dp = iot[id].d.desc;
655 if (dp == 0)
656 goto bad;
657 switch (dp->bDescriptorSubtype) {
658 case UDESCSUB_AC_INPUT:
659 r.bNrChannels = iot[id].d.it->bNrChannels;
660 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
661 r.iChannelNames = iot[id].d.it->iChannelNames;
662 return (r);
663 case UDESCSUB_AC_OUTPUT:
664 id = iot[id].d.ot->bSourceId;
665 break;
666 case UDESCSUB_AC_MIXER:
667 r = *(struct usb_audio_cluster *)
668 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
669 return (r);
670 case UDESCSUB_AC_SELECTOR:
671 /* XXX This is not really right */
672 id = iot[id].d.su->baSourceId[0];
673 break;
674 case UDESCSUB_AC_FEATURE:
675 id = iot[id].d.fu->bSourceId;
676 break;
677 case UDESCSUB_AC_PROCESSING:
678 r = *(struct usb_audio_cluster *)
679 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
680 return (r);
681 case UDESCSUB_AC_EXTENSION:
682 r = *(struct usb_audio_cluster *)
683 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
684 return (r);
685 default:
686 goto bad;
687 }
688 }
689 bad:
690 printf("uaudio_get_cluster: bad data\n");
691 memset(&r, 0, sizeof r);
692 return (r);
693
694 }
695
696 Static void
697 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
698 {
699 const struct usb_audio_input_terminal *d = iot[id].d.it;
700
701 #ifdef UAUDIO_DEBUG
702 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
703 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
704 "iChannelNames=%d iTerminal=%d\n",
705 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
706 d->bNrChannels, UGETW(d->wChannelConfig),
707 d->iChannelNames, d->iTerminal));
708 #endif
709 /* If USB input terminal, record wChannelConfig */
710 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
711 return;
712 sc->sc_channel_config = UGETW(d->wChannelConfig);
713 }
714
715 Static void
716 uaudio_add_output(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
717 {
718 #ifdef UAUDIO_DEBUG
719 const struct usb_audio_output_terminal *d = iot[id].d.ot;
720
721 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
722 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
723 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
724 d->bSourceId, d->iTerminal));
725 #endif
726 }
727
728 Static void
729 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
730 {
731 const struct usb_audio_mixer_unit *d = iot[id].d.mu;
732 struct usb_audio_mixer_unit_1 *d1;
733 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
734 uByte *bm;
735 struct mixerctl mix;
736
737 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
738 d->bUnitId, d->bNrInPins));
739
740 /* Compute the number of input channels */
741 ichs = 0;
742 for (i = 0; i < d->bNrInPins; i++)
743 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
744
745 /* and the number of output channels */
746 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
747 ochs = d1->bNrChannels;
748 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
749
750 bm = d1->bmControls;
751 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
752 uaudio_determine_class(&iot[id], &mix);
753 mix.type = MIX_SIGNED_16;
754 mix.ctlunit = AudioNvolume;
755 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
756 for (p = i = 0; i < d->bNrInPins; i++) {
757 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
758 mc = 0;
759 for (c = 0; c < chs; c++) {
760 mo = 0;
761 for (o = 0; o < ochs; o++) {
762 bno = (p + c) * ochs + o;
763 if (BIT(bno))
764 mo++;
765 }
766 if (mo == 1)
767 mc++;
768 }
769 if (mc == chs && chs <= MIX_MAX_CHAN) {
770 k = 0;
771 for (c = 0; c < chs; c++)
772 for (o = 0; o < ochs; o++) {
773 bno = (p + c) * ochs + o;
774 if (BIT(bno))
775 mix.wValue[k++] =
776 MAKE(p+c+1, o+1);
777 }
778 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
779 d->bUnitId, uaudio_id_name(sc, iot,
780 d->baSourceId[i]));
781 mix.nchan = chs;
782 uaudio_mixer_add_ctl(sc, &mix);
783 } else {
784 /* XXX */
785 }
786 #undef BIT
787 p += chs;
788 }
789
790 }
791
792 Static void
793 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
794 {
795 const struct usb_audio_selector_unit *d = iot[id].d.su;
796 struct mixerctl mix;
797 int i, wp;
798
799 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
800 d->bUnitId, d->bNrInPins));
801 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
802 mix.wValue[0] = MAKE(0, 0);
803 uaudio_determine_class(&iot[id], &mix);
804 mix.nchan = 1;
805 mix.type = MIX_SELECTOR;
806 mix.ctlunit = "";
807 mix.minval = 1;
808 mix.maxval = d->bNrInPins;
809 mix.mul = mix.maxval - mix.minval;
810 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
811 for (i = 1; i <= d->bNrInPins; i++) {
812 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
813 "i%d", d->baSourceId[i - 1]);
814 if (wp > MAX_AUDIO_DEV_LEN - 1)
815 break;
816 }
817 uaudio_mixer_add_ctl(sc, &mix);
818 }
819
820 #ifdef UAUDIO_DEBUG
821 Static const char *
822 uaudio_get_terminal_name(int terminal_type)
823 {
824 static char buf[100];
825
826 switch (terminal_type) {
827 /* USB terminal types */
828 case UAT_UNDEFINED: return "UAT_UNDEFINED";
829 case UAT_STREAM: return "UAT_STREAM";
830 case UAT_VENDOR: return "UAT_VENDOR";
831 /* input terminal types */
832 case UATI_UNDEFINED: return "UATI_UNDEFINED";
833 case UATI_MICROPHONE: return "UATI_MICROPHONE";
834 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
835 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
836 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
837 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
838 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
839 /* output terminal types */
840 case UATO_UNDEFINED: return "UATO_UNDEFINED";
841 case UATO_SPEAKER: return "UATO_SPEAKER";
842 case UATO_HEADPHONES: return "UATO_HEADPHONES";
843 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
844 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
845 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
846 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
847 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
848 /* bidir terminal types */
849 case UATB_UNDEFINED: return "UATB_UNDEFINED";
850 case UATB_HANDSET: return "UATB_HANDSET";
851 case UATB_HEADSET: return "UATB_HEADSET";
852 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
853 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
854 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
855 /* telephony terminal types */
856 case UATT_UNDEFINED: return "UATT_UNDEFINED";
857 case UATT_PHONELINE: return "UATT_PHONELINE";
858 case UATT_TELEPHONE: return "UATT_TELEPHONE";
859 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
860 /* external terminal types */
861 case UATE_UNDEFINED: return "UATE_UNDEFINED";
862 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
863 case UATE_LINECONN: return "UATE_LINECONN";
864 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
865 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
866 case UATE_SPDIF: return "UATE_SPDIF";
867 case UATE_1394DA: return "UATE_1394DA";
868 case UATE_1394DV: return "UATE_1394DV";
869 /* embedded function terminal types */
870 case UATF_UNDEFINED: return "UATF_UNDEFINED";
871 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
872 case UATF_EQUNOISE: return "UATF_EQUNOISE";
873 case UATF_CDPLAYER: return "UATF_CDPLAYER";
874 case UATF_DAT: return "UATF_DAT";
875 case UATF_DCC: return "UATF_DCC";
876 case UATF_MINIDISK: return "UATF_MINIDISK";
877 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
878 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
879 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
880 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
881 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
882 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
883 case UATF_SATELLITE: return "UATF_SATELLITE";
884 case UATF_CABLETUNER: return "UATF_CABLETUNER";
885 case UATF_DSS: return "UATF_DSS";
886 case UATF_RADIORECV: return "UATF_RADIORECV";
887 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
888 case UATF_MULTITRACK: return "UATF_MULTITRACK";
889 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
890 default:
891 snprintf(buf, sizeof(buf), "unknown type (0x%.4x)", terminal_type);
892 return buf;
893 }
894 }
895 #endif
896
897 Static int
898 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
899 {
900 int terminal_type;
901
902 if (iot == NULL || iot->output == NULL) {
903 mix->class = UAC_OUTPUT;
904 return 0;
905 }
906 terminal_type = 0;
907 if (iot->output->size == 1)
908 terminal_type = iot->output->terminals[0];
909 /*
910 * If the only output terminal is USB,
911 * the class is UAC_RECORD.
912 */
913 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
914 mix->class = UAC_RECORD;
915 if (iot->inputs_size == 1
916 && iot->inputs[0] != NULL
917 && iot->inputs[0]->size == 1)
918 return iot->inputs[0]->terminals[0];
919 else
920 return 0;
921 }
922 /*
923 * If the ultimate destination of the unit is just one output
924 * terminal and the unit is connected to the output terminal
925 * directly, the class is UAC_OUTPUT.
926 */
927 if (terminal_type != 0 && iot->direct) {
928 mix->class = UAC_OUTPUT;
929 return terminal_type;
930 }
931 /*
932 * If the unit is connected to just one input terminal,
933 * the class is UAC_INPUT.
934 */
935 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
936 && iot->inputs[0]->size == 1) {
937 mix->class = UAC_INPUT;
938 return iot->inputs[0]->terminals[0];
939 }
940 /*
941 * Otherwise, the class is UAC_OUTPUT.
942 */
943 mix->class = UAC_OUTPUT;
944 return terminal_type;
945 }
946
947 Static const char *
948 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
949 {
950 int terminal_type;
951
952 terminal_type = uaudio_determine_class(iot, mix);
953 if (mix->class == UAC_RECORD && terminal_type == 0)
954 return AudioNmixerout;
955 DPRINTF(("%s: terminal_type=%s\n", __func__,
956 uaudio_get_terminal_name(terminal_type)));
957 switch (terminal_type) {
958 case UAT_STREAM:
959 return AudioNdac;
960
961 case UATI_MICROPHONE:
962 case UATI_DESKMICROPHONE:
963 case UATI_PERSONALMICROPHONE:
964 case UATI_OMNIMICROPHONE:
965 case UATI_MICROPHONEARRAY:
966 case UATI_PROCMICROPHONEARR:
967 return AudioNmicrophone;
968
969 case UATO_SPEAKER:
970 case UATO_DESKTOPSPEAKER:
971 case UATO_ROOMSPEAKER:
972 case UATO_COMMSPEAKER:
973 return AudioNspeaker;
974
975 case UATO_HEADPHONES:
976 return AudioNheadphone;
977
978 case UATO_SUBWOOFER:
979 return AudioNlfe;
980
981 /* telephony terminal types */
982 case UATT_UNDEFINED:
983 case UATT_PHONELINE:
984 case UATT_TELEPHONE:
985 case UATT_DOWNLINEPHONE:
986 return "phone";
987
988 case UATE_ANALOGCONN:
989 case UATE_LINECONN:
990 case UATE_LEGACYCONN:
991 return AudioNline;
992
993 case UATE_DIGITALAUIFC:
994 case UATE_SPDIF:
995 case UATE_1394DA:
996 case UATE_1394DV:
997 return AudioNaux;
998
999 case UATF_CDPLAYER:
1000 return AudioNcd;
1001
1002 case UATF_SYNTHESIZER:
1003 return AudioNfmsynth;
1004
1005 case UATF_VIDEODISCAUDIO:
1006 case UATF_DVDAUDIO:
1007 case UATF_TVTUNERAUDIO:
1008 return AudioNvideo;
1009
1010 case UAT_UNDEFINED:
1011 case UAT_VENDOR:
1012 case UATI_UNDEFINED:
1013 /* output terminal types */
1014 case UATO_UNDEFINED:
1015 case UATO_DISPLAYAUDIO:
1016 /* bidir terminal types */
1017 case UATB_UNDEFINED:
1018 case UATB_HANDSET:
1019 case UATB_HEADSET:
1020 case UATB_SPEAKERPHONE:
1021 case UATB_SPEAKERPHONEESUP:
1022 case UATB_SPEAKERPHONEECANC:
1023 /* external terminal types */
1024 case UATE_UNDEFINED:
1025 /* embedded function terminal types */
1026 case UATF_UNDEFINED:
1027 case UATF_CALIBNOISE:
1028 case UATF_EQUNOISE:
1029 case UATF_DAT:
1030 case UATF_DCC:
1031 case UATF_MINIDISK:
1032 case UATF_ANALOGTAPE:
1033 case UATF_PHONOGRAPH:
1034 case UATF_VCRAUDIO:
1035 case UATF_SATELLITE:
1036 case UATF_CABLETUNER:
1037 case UATF_DSS:
1038 case UATF_RADIORECV:
1039 case UATF_RADIOXMIT:
1040 case UATF_MULTITRACK:
1041 case 0xffff:
1042 default:
1043 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1044 return AudioNmaster;
1045 }
1046 return AudioNmaster;
1047 }
1048
1049 Static void
1050 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1051 {
1052 const struct usb_audio_feature_unit *d = iot[id].d.fu;
1053 uByte *ctls = d->bmaControls;
1054 int ctlsize = d->bControlSize;
1055 int nchan = (d->bLength - 7) / ctlsize;
1056 u_int fumask, mmask, cmask;
1057 struct mixerctl mix;
1058 int chan, ctl, i, unit;
1059 const char *mixername;
1060
1061 #define GET(i) (ctls[(i)*ctlsize] | \
1062 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1063
1064 mmask = GET(0);
1065 /* Figure out what we can control */
1066 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1067 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1068 chan, GET(chan)));
1069 cmask |= GET(chan);
1070 }
1071
1072 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1073 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1074 d->bUnitId, nchan, mmask, cmask));
1075
1076 if (nchan > MIX_MAX_CHAN)
1077 nchan = MIX_MAX_CHAN;
1078 unit = d->bUnitId;
1079 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1080 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1081 fumask = FU_MASK(ctl);
1082 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1083 ctl, fumask));
1084 if (mmask & fumask) {
1085 mix.nchan = 1;
1086 mix.wValue[0] = MAKE(ctl, 0);
1087 } else if (cmask & fumask) {
1088 mix.nchan = nchan - 1;
1089 for (i = 1; i < nchan; i++) {
1090 if (GET(i) & fumask)
1091 mix.wValue[i-1] = MAKE(ctl, i);
1092 else
1093 mix.wValue[i-1] = -1;
1094 }
1095 } else {
1096 continue;
1097 }
1098 #undef GET
1099 mixername = uaudio_feature_name(&iot[id], &mix);
1100 switch (ctl) {
1101 case MUTE_CONTROL:
1102 mix.type = MIX_ON_OFF;
1103 mix.ctlunit = "";
1104 snprintf(mix.ctlname, sizeof(mix.ctlname),
1105 "%s.%s", mixername, AudioNmute);
1106 break;
1107 case VOLUME_CONTROL:
1108 mix.type = MIX_SIGNED_16;
1109 mix.ctlunit = AudioNvolume;
1110 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1111 break;
1112 case BASS_CONTROL:
1113 mix.type = MIX_SIGNED_8;
1114 mix.ctlunit = AudioNbass;
1115 snprintf(mix.ctlname, sizeof(mix.ctlname),
1116 "%s.%s", mixername, AudioNbass);
1117 break;
1118 case MID_CONTROL:
1119 mix.type = MIX_SIGNED_8;
1120 mix.ctlunit = AudioNmid;
1121 snprintf(mix.ctlname, sizeof(mix.ctlname),
1122 "%s.%s", mixername, AudioNmid);
1123 break;
1124 case TREBLE_CONTROL:
1125 mix.type = MIX_SIGNED_8;
1126 mix.ctlunit = AudioNtreble;
1127 snprintf(mix.ctlname, sizeof(mix.ctlname),
1128 "%s.%s", mixername, AudioNtreble);
1129 break;
1130 case GRAPHIC_EQUALIZER_CONTROL:
1131 continue; /* XXX don't add anything */
1132 break;
1133 case AGC_CONTROL:
1134 mix.type = MIX_ON_OFF;
1135 mix.ctlunit = "";
1136 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1137 mixername, AudioNagc);
1138 break;
1139 case DELAY_CONTROL:
1140 mix.type = MIX_UNSIGNED_16;
1141 mix.ctlunit = "4 ms";
1142 snprintf(mix.ctlname, sizeof(mix.ctlname),
1143 "%s.%s", mixername, AudioNdelay);
1144 break;
1145 case BASS_BOOST_CONTROL:
1146 mix.type = MIX_ON_OFF;
1147 mix.ctlunit = "";
1148 snprintf(mix.ctlname, sizeof(mix.ctlname),
1149 "%s.%s", mixername, AudioNbassboost);
1150 break;
1151 case LOUDNESS_CONTROL:
1152 mix.type = MIX_ON_OFF;
1153 mix.ctlunit = "";
1154 snprintf(mix.ctlname, sizeof(mix.ctlname),
1155 "%s.%s", mixername, AudioNloudness);
1156 break;
1157 }
1158 uaudio_mixer_add_ctl(sc, &mix);
1159 }
1160 }
1161
1162 Static void
1163 uaudio_add_processing_updown(struct uaudio_softc *sc,
1164 const struct io_terminal *iot, int id)
1165 {
1166 const struct usb_audio_processing_unit *d = iot[id].d.pu;
1167 const struct usb_audio_processing_unit_1 *d1 =
1168 (const struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins];
1169 const struct usb_audio_processing_unit_updown *ud =
1170 (const struct usb_audio_processing_unit_updown *)
1171 &d1->bmControls[d1->bControlSize];
1172 struct mixerctl mix;
1173 int i;
1174
1175 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1176 d->bUnitId, ud->bNrModes));
1177
1178 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1179 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1180 return;
1181 }
1182
1183 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1184 mix.nchan = 1;
1185 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1186 uaudio_determine_class(&iot[id], &mix);
1187 mix.type = MIX_ON_OFF; /* XXX */
1188 mix.ctlunit = "";
1189 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1190
1191 for (i = 0; i < ud->bNrModes; i++) {
1192 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1193 i, UGETW(ud->waModes[i])));
1194 /* XXX */
1195 }
1196 uaudio_mixer_add_ctl(sc, &mix);
1197 }
1198
1199 Static void
1200 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1201 {
1202 const struct usb_audio_processing_unit *d = iot[id].d.pu;
1203 const struct usb_audio_processing_unit_1 *d1 =
1204 (const struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins];
1205 int ptype = UGETW(d->wProcessType);
1206 struct mixerctl mix;
1207
1208 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1209 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1210
1211 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1212 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1213 mix.nchan = 1;
1214 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1215 uaudio_determine_class(&iot[id], &mix);
1216 mix.type = MIX_ON_OFF;
1217 mix.ctlunit = "";
1218 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1219 d->bUnitId, ptype);
1220 uaudio_mixer_add_ctl(sc, &mix);
1221 }
1222
1223 switch(ptype) {
1224 case UPDOWNMIX_PROCESS:
1225 uaudio_add_processing_updown(sc, iot, id);
1226 break;
1227 case DOLBY_PROLOGIC_PROCESS:
1228 case P3D_STEREO_EXTENDER_PROCESS:
1229 case REVERBATION_PROCESS:
1230 case CHORUS_PROCESS:
1231 case DYN_RANGE_COMP_PROCESS:
1232 default:
1233 #ifdef UAUDIO_DEBUG
1234 printf("uaudio_add_processing: unit %d, type=%d not impl.\n",
1235 d->bUnitId, ptype);
1236 #endif
1237 break;
1238 }
1239 }
1240
1241 Static void
1242 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1243 {
1244 const struct usb_audio_extension_unit *d = iot[id].d.eu;
1245 const struct usb_audio_extension_unit_1 *d1 =
1246 (const struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins];
1247 struct mixerctl mix;
1248
1249 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1250 d->bUnitId, d->bNrInPins));
1251
1252 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1253 return;
1254
1255 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1256 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1257 mix.nchan = 1;
1258 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1259 uaudio_determine_class(&iot[id], &mix);
1260 mix.type = MIX_ON_OFF;
1261 mix.ctlunit = "";
1262 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1263 d->bUnitId);
1264 uaudio_mixer_add_ctl(sc, &mix);
1265 }
1266 }
1267
1268 Static struct terminal_list*
1269 uaudio_merge_terminal_list(const struct io_terminal *iot)
1270 {
1271 struct terminal_list *tml;
1272 uint16_t *ptm;
1273 int i, len;
1274
1275 len = 0;
1276 if (iot->inputs == NULL)
1277 return NULL;
1278 for (i = 0; i < iot->inputs_size; i++) {
1279 if (iot->inputs[i] != NULL)
1280 len += iot->inputs[i]->size;
1281 }
1282 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1283 if (tml == NULL) {
1284 printf("uaudio_merge_terminal_list: no memory\n");
1285 return NULL;
1286 }
1287 tml->size = 0;
1288 ptm = tml->terminals;
1289 for (i = 0; i < iot->inputs_size; i++) {
1290 if (iot->inputs[i] == NULL)
1291 continue;
1292 if (iot->inputs[i]->size > len)
1293 break;
1294 memcpy(ptm, iot->inputs[i]->terminals,
1295 iot->inputs[i]->size * sizeof(uint16_t));
1296 tml->size += iot->inputs[i]->size;
1297 ptm += iot->inputs[i]->size;
1298 len -= iot->inputs[i]->size;
1299 }
1300 return tml;
1301 }
1302
1303 Static struct terminal_list *
1304 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1305 {
1306 struct terminal_list *tml;
1307 struct io_terminal *it;
1308 int src_id, i;
1309
1310 it = &iot[id];
1311 if (it->output != NULL) {
1312 /* already has outtype? */
1313 for (i = 0; i < it->output->size; i++)
1314 if (it->output->terminals[i] == outtype)
1315 return uaudio_merge_terminal_list(it);
1316 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1317 M_TEMP, M_NOWAIT);
1318 if (tml == NULL) {
1319 printf("uaudio_io_terminaltype: no memory\n");
1320 return uaudio_merge_terminal_list(it);
1321 }
1322 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1323 tml->terminals[it->output->size] = outtype;
1324 tml->size++;
1325 free(it->output, M_TEMP);
1326 it->output = tml;
1327 if (it->inputs != NULL) {
1328 for (i = 0; i < it->inputs_size; i++)
1329 if (it->inputs[i] != NULL)
1330 free(it->inputs[i], M_TEMP);
1331 free(it->inputs, M_TEMP);
1332 }
1333 it->inputs_size = 0;
1334 it->inputs = NULL;
1335 } else { /* end `iot[id] != NULL' */
1336 it->inputs_size = 0;
1337 it->inputs = NULL;
1338 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1339 if (it->output == NULL) {
1340 printf("uaudio_io_terminaltype: no memory\n");
1341 return NULL;
1342 }
1343 it->output->terminals[0] = outtype;
1344 it->output->size = 1;
1345 it->direct = FALSE;
1346 }
1347
1348 switch (it->d.desc->bDescriptorSubtype) {
1349 case UDESCSUB_AC_INPUT:
1350 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1351 if (it->inputs == NULL) {
1352 printf("uaudio_io_terminaltype: no memory\n");
1353 return NULL;
1354 }
1355 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1356 if (tml == NULL) {
1357 printf("uaudio_io_terminaltype: no memory\n");
1358 free(it->inputs, M_TEMP);
1359 it->inputs = NULL;
1360 return NULL;
1361 }
1362 it->inputs[0] = tml;
1363 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1364 tml->size = 1;
1365 it->inputs_size = 1;
1366 return uaudio_merge_terminal_list(it);
1367 case UDESCSUB_AC_FEATURE:
1368 src_id = it->d.fu->bSourceId;
1369 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1370 if (it->inputs == NULL) {
1371 printf("uaudio_io_terminaltype: no memory\n");
1372 return uaudio_io_terminaltype(outtype, iot, src_id);
1373 }
1374 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1375 it->inputs_size = 1;
1376 return uaudio_merge_terminal_list(it);
1377 case UDESCSUB_AC_OUTPUT:
1378 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1379 if (it->inputs == NULL) {
1380 printf("uaudio_io_terminaltype: no memory\n");
1381 return NULL;
1382 }
1383 src_id = it->d.ot->bSourceId;
1384 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1385 it->inputs_size = 1;
1386 iot[src_id].direct = TRUE;
1387 return NULL;
1388 case UDESCSUB_AC_MIXER:
1389 it->inputs_size = 0;
1390 it->inputs = malloc(sizeof(struct terminal_list *)
1391 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1392 if (it->inputs == NULL) {
1393 printf("uaudio_io_terminaltype: no memory\n");
1394 return NULL;
1395 }
1396 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1397 src_id = it->d.mu->baSourceId[i];
1398 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1399 src_id);
1400 it->inputs_size++;
1401 }
1402 return uaudio_merge_terminal_list(it);
1403 case UDESCSUB_AC_SELECTOR:
1404 it->inputs_size = 0;
1405 it->inputs = malloc(sizeof(struct terminal_list *)
1406 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1407 if (it->inputs == NULL) {
1408 printf("uaudio_io_terminaltype: no memory\n");
1409 return NULL;
1410 }
1411 for (i = 0; i < it->d.su->bNrInPins; i++) {
1412 src_id = it->d.su->baSourceId[i];
1413 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1414 src_id);
1415 it->inputs_size++;
1416 }
1417 return uaudio_merge_terminal_list(it);
1418 case UDESCSUB_AC_PROCESSING:
1419 it->inputs_size = 0;
1420 it->inputs = malloc(sizeof(struct terminal_list *)
1421 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1422 if (it->inputs == NULL) {
1423 printf("uaudio_io_terminaltype: no memory\n");
1424 return NULL;
1425 }
1426 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1427 src_id = it->d.pu->baSourceId[i];
1428 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1429 src_id);
1430 it->inputs_size++;
1431 }
1432 return uaudio_merge_terminal_list(it);
1433 case UDESCSUB_AC_EXTENSION:
1434 it->inputs_size = 0;
1435 it->inputs = malloc(sizeof(struct terminal_list *)
1436 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1437 if (it->inputs == NULL) {
1438 printf("uaudio_io_terminaltype: no memory\n");
1439 return NULL;
1440 }
1441 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1442 src_id = it->d.eu->baSourceId[i];
1443 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1444 src_id);
1445 it->inputs_size++;
1446 }
1447 return uaudio_merge_terminal_list(it);
1448 case UDESCSUB_AC_HEADER:
1449 default:
1450 return NULL;
1451 }
1452 }
1453
1454 Static usbd_status
1455 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1456 {
1457 usbd_status err;
1458
1459 err = uaudio_identify_ac(sc, cdesc);
1460 if (err)
1461 return (err);
1462 return (uaudio_identify_as(sc, cdesc));
1463 }
1464
1465 Static void
1466 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1467 {
1468 size_t len;
1469 struct as_info *nai;
1470
1471 len = sizeof(*ai) * (sc->sc_nalts + 1);
1472 nai = malloc(len, M_USBDEV, M_NOWAIT);
1473 if (nai == NULL) {
1474 printf("uaudio_add_alt: no memory\n");
1475 return;
1476 }
1477 /* Copy old data, if there was any */
1478 if (sc->sc_nalts != 0) {
1479 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1480 free(sc->sc_alts, M_USBDEV);
1481 }
1482 sc->sc_alts = nai;
1483 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1484 ai->alt, ai->encoding));
1485 sc->sc_alts[sc->sc_nalts++] = *ai;
1486 }
1487
1488 Static usbd_status
1489 uaudio_process_as(struct uaudio_softc *sc, const char *buf, int *offsp,
1490 int size, const usb_interface_descriptor_t *id)
1491 #define offs (*offsp)
1492 {
1493 const struct usb_audio_streaming_interface_descriptor *asid;
1494 const struct usb_audio_streaming_type1_descriptor *asf1d;
1495 const usb_endpoint_descriptor_audio_t *ed;
1496 const usb_endpoint_descriptor_audio_t *epdesc1;
1497 const struct usb_audio_streaming_endpoint_descriptor *sed;
1498 int format, chan, prec, enc;
1499 int dir, type, sync;
1500 struct as_info ai;
1501 const char *format_str;
1502
1503 asid = (const void *)(buf + offs);
1504 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1505 asid->bDescriptorSubtype != AS_GENERAL)
1506 return (USBD_INVAL);
1507 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1508 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1509 offs += asid->bLength;
1510 if (offs > size)
1511 return (USBD_INVAL);
1512
1513 asf1d = (const void *)(buf + offs);
1514 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1515 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1516 return (USBD_INVAL);
1517 offs += asf1d->bLength;
1518 if (offs > size)
1519 return (USBD_INVAL);
1520
1521 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1522 printf("%s: ignored setting with type %d format\n",
1523 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag));
1524 return (USBD_NORMAL_COMPLETION);
1525 }
1526
1527 ed = (const void *)(buf + offs);
1528 if (ed->bDescriptorType != UDESC_ENDPOINT)
1529 return (USBD_INVAL);
1530 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1531 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1532 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1533 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1534 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1535 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1536 offs += ed->bLength;
1537 if (offs > size)
1538 return (USBD_INVAL);
1539 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1540 return (USBD_INVAL);
1541
1542 dir = UE_GET_DIR(ed->bEndpointAddress);
1543 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1544 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1545 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1546 type = UE_ISO_ASYNC;
1547
1548 /* We can't handle endpoints that need a sync pipe yet. */
1549 sync = FALSE;
1550 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1551 sync = TRUE;
1552 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1553 printf("%s: ignored input endpoint of type adaptive\n",
1554 USBDEVNAME(sc->sc_dev));
1555 return (USBD_NORMAL_COMPLETION);
1556 #endif
1557 }
1558 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1559 sync = TRUE;
1560 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1561 printf("%s: ignored output endpoint of type async\n",
1562 USBDEVNAME(sc->sc_dev));
1563 return (USBD_NORMAL_COMPLETION);
1564 #endif
1565 }
1566
1567 sed = (const void *)(buf + offs);
1568 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1569 sed->bDescriptorSubtype != AS_GENERAL)
1570 return (USBD_INVAL);
1571 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1572 offs += sed->bLength;
1573 if (offs > size)
1574 return (USBD_INVAL);
1575
1576 if (sync && id->bNumEndpoints <= 1) {
1577 printf("%s: a sync-pipe endpoint but no other endpoint\n",
1578 USBDEVNAME(sc->sc_dev));
1579 return USBD_INVAL;
1580 }
1581 if (!sync && id->bNumEndpoints > 1) {
1582 printf("%s: non sync-pipe endpoint but multiple endpoints\n",
1583 USBDEVNAME(sc->sc_dev));
1584 return USBD_INVAL;
1585 }
1586 epdesc1 = NULL;
1587 if (id->bNumEndpoints > 1) {
1588 epdesc1 = (const void*)(buf + offs);
1589 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1590 return USBD_INVAL;
1591 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1592 "bDescriptorType=%d bEndpointAddress=%d "
1593 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1594 "bRefresh=%d bSynchAddress=%d\n",
1595 epdesc1->bLength, epdesc1->bDescriptorType,
1596 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1597 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1598 epdesc1->bRefresh, epdesc1->bSynchAddress));
1599 offs += epdesc1->bLength;
1600 if (offs > size)
1601 return USBD_INVAL;
1602 if (epdesc1->bSynchAddress != 0) {
1603 printf("%s: invalid endpoint: bSynchAddress=0\n",
1604 USBDEVNAME(sc->sc_dev));
1605 return USBD_INVAL;
1606 }
1607 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1608 printf("%s: invalid endpoint: bmAttributes=0x%x\n",
1609 USBDEVNAME(sc->sc_dev), epdesc1->bmAttributes);
1610 return USBD_INVAL;
1611 }
1612 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1613 printf("%s: invalid endpoint addresses: "
1614 "ep[0]->bSynchAddress=0x%x "
1615 "ep[1]->bEndpointAddress=0x%x\n",
1616 USBDEVNAME(sc->sc_dev), ed->bSynchAddress,
1617 epdesc1->bEndpointAddress);
1618 return USBD_INVAL;
1619 }
1620 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1621 }
1622
1623 format = UGETW(asid->wFormatTag);
1624 chan = asf1d->bNrChannels;
1625 prec = asf1d->bBitResolution;
1626 if (prec != 8 && prec != 16 && prec != 24) {
1627 printf("%s: ignored setting with precision %d\n",
1628 USBDEVNAME(sc->sc_dev), prec);
1629 return (USBD_NORMAL_COMPLETION);
1630 }
1631 switch (format) {
1632 case UA_FMT_PCM:
1633 if (prec == 8) {
1634 sc->sc_altflags |= HAS_8;
1635 } else if (prec == 16) {
1636 sc->sc_altflags |= HAS_16;
1637 } else if (prec == 24) {
1638 sc->sc_altflags |= HAS_24;
1639 }
1640 enc = AUDIO_ENCODING_SLINEAR_LE;
1641 format_str = "pcm";
1642 break;
1643 case UA_FMT_PCM8:
1644 enc = AUDIO_ENCODING_ULINEAR_LE;
1645 sc->sc_altflags |= HAS_8U;
1646 format_str = "pcm8";
1647 break;
1648 case UA_FMT_ALAW:
1649 enc = AUDIO_ENCODING_ALAW;
1650 sc->sc_altflags |= HAS_ALAW;
1651 format_str = "alaw";
1652 break;
1653 case UA_FMT_MULAW:
1654 enc = AUDIO_ENCODING_ULAW;
1655 sc->sc_altflags |= HAS_MULAW;
1656 format_str = "mulaw";
1657 break;
1658 case UA_FMT_IEEE_FLOAT:
1659 default:
1660 printf("%s: ignored setting with format %d\n",
1661 USBDEVNAME(sc->sc_dev), format);
1662 return (USBD_NORMAL_COMPLETION);
1663 }
1664 #ifdef UAUDIO_DEBUG
1665 printf("%s: %s: %dch, %d/%dbit, %s,", USBDEVNAME(sc->sc_dev),
1666 dir == UE_DIR_IN ? "recording" : "playback",
1667 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1668 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1669 printf(" %d-%dHz\n", UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d));
1670 } else {
1671 int r;
1672 printf(" %d", UA_GETSAMP(asf1d, 0));
1673 for (r = 1; r < asf1d->bSamFreqType; r++)
1674 printf(",%d", UA_GETSAMP(asf1d, r));
1675 printf("Hz\n");
1676 }
1677 #endif
1678 ai.alt = id->bAlternateSetting;
1679 ai.encoding = enc;
1680 ai.attributes = sed->bmAttributes;
1681 ai.idesc = id;
1682 ai.edesc = ed;
1683 ai.edesc1 = epdesc1;
1684 ai.asf1desc = asf1d;
1685 ai.sc_busy = 0;
1686 uaudio_add_alt(sc, &ai);
1687 #ifdef UAUDIO_DEBUG
1688 if (ai.attributes & UA_SED_FREQ_CONTROL)
1689 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1690 if (ai.attributes & UA_SED_PITCH_CONTROL)
1691 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1692 #endif
1693 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1694
1695 return (USBD_NORMAL_COMPLETION);
1696 }
1697 #undef offs
1698
1699 Static usbd_status
1700 uaudio_identify_as(struct uaudio_softc *sc,
1701 const usb_config_descriptor_t *cdesc)
1702 {
1703 const usb_interface_descriptor_t *id;
1704 const char *buf;
1705 struct audio_format *auf;
1706 const struct usb_audio_streaming_type1_descriptor *t1desc;
1707 int size, offs;
1708 int i, j;
1709
1710 size = UGETW(cdesc->wTotalLength);
1711 buf = (const char *)cdesc;
1712
1713 /* Locate the AudioStreaming interface descriptor. */
1714 offs = 0;
1715 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1716 if (id == NULL)
1717 return (USBD_INVAL);
1718
1719 /* Loop through all the alternate settings. */
1720 while (offs <= size) {
1721 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1722 id->bInterfaceNumber, offs));
1723 switch (id->bNumEndpoints) {
1724 case 0:
1725 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1726 id->bAlternateSetting));
1727 sc->sc_nullalt = id->bAlternateSetting;
1728 break;
1729 case 1:
1730 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1731 case 2:
1732 #endif
1733 uaudio_process_as(sc, buf, &offs, size, id);
1734 break;
1735 default:
1736 printf("%s: ignored audio interface with %d "
1737 "endpoints\n",
1738 USBDEVNAME(sc->sc_dev), id->bNumEndpoints);
1739 break;
1740 }
1741 id = uaudio_find_iface(buf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1742 if (id == NULL)
1743 break;
1744 }
1745 if (offs > size)
1746 return (USBD_INVAL);
1747 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1748
1749 if (sc->sc_mode == 0) {
1750 printf("%s: no usable endpoint found\n",
1751 USBDEVNAME(sc->sc_dev));
1752 return (USBD_INVAL);
1753 }
1754
1755 /* build audio_format array */
1756 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1757 M_USBDEV, M_NOWAIT);
1758 if (sc->sc_formats == NULL)
1759 return USBD_NOMEM;
1760 sc->sc_nformats = sc->sc_nalts;
1761 for (i = 0; i < sc->sc_nalts; i++) {
1762 auf = &sc->sc_formats[i];
1763 t1desc = sc->sc_alts[i].asf1desc;
1764 auf->driver_data = NULL;
1765 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1766 auf->mode = AUMODE_PLAY;
1767 else
1768 auf->mode = AUMODE_RECORD;
1769 auf->encoding = sc->sc_alts[i].encoding;
1770 auf->validbits = t1desc->bBitResolution;
1771 auf->precision = t1desc->bSubFrameSize * 8;
1772 auf->channels = t1desc->bNrChannels;
1773 auf->channel_mask = sc->sc_channel_config;
1774 auf->frequency_type = t1desc->bSamFreqType;
1775 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1776 auf->frequency[0] = UA_SAMP_LO(t1desc);
1777 auf->frequency[1] = UA_SAMP_HI(t1desc);
1778 } else {
1779 for (j = 0; j < t1desc->bSamFreqType; j++) {
1780 if (j >= AUFMT_MAX_FREQUENCIES) {
1781 printf("%s: please increase "
1782 "AUFMT_MAX_FREQUENCIES to %d\n",
1783 __func__, t1desc->bSamFreqType);
1784 break;
1785 }
1786 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1787 }
1788 }
1789 sc->sc_alts[i].aformat = auf;
1790 }
1791
1792 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1793 &sc->sc_encodings)) {
1794 free(sc->sc_formats, M_DEVBUF);
1795 sc->sc_formats = NULL;
1796 return ENOMEM;
1797 }
1798
1799 return (USBD_NORMAL_COMPLETION);
1800 }
1801
1802 Static usbd_status
1803 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1804 {
1805 struct io_terminal* iot;
1806 const usb_interface_descriptor_t *id;
1807 const struct usb_audio_control_descriptor *acdp;
1808 const usb_descriptor_t *dp;
1809 const struct usb_audio_output_terminal *pot;
1810 struct terminal_list *tml;
1811 const char *buf, *ibuf, *ibufend;
1812 int size, offs, aclen, ndps, i, j;
1813
1814 size = UGETW(cdesc->wTotalLength);
1815 buf = (char *)cdesc;
1816
1817 /* Locate the AudioControl interface descriptor. */
1818 offs = 0;
1819 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1820 if (id == NULL)
1821 return (USBD_INVAL);
1822 if (offs + sizeof *acdp > size)
1823 return (USBD_INVAL);
1824 sc->sc_ac_iface = id->bInterfaceNumber;
1825 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1826
1827 /* A class-specific AC interface header should follow. */
1828 ibuf = buf + offs;
1829 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1830 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1831 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1832 return (USBD_INVAL);
1833 aclen = UGETW(acdp->wTotalLength);
1834 if (offs + aclen > size)
1835 return (USBD_INVAL);
1836
1837 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1838 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1839 return (USBD_INVAL);
1840
1841 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1842 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1843 sc->sc_audio_rev, aclen));
1844
1845 sc->sc_nullalt = -1;
1846
1847 /* Scan through all the AC specific descriptors */
1848 ibufend = ibuf + aclen;
1849 dp = (const usb_descriptor_t *)ibuf;
1850 ndps = 0;
1851 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1852 if (iot == NULL) {
1853 printf("%s: no memory\n", __func__);
1854 return USBD_NOMEM;
1855 }
1856 for (;;) {
1857 ibuf += dp->bLength;
1858 if (ibuf >= ibufend)
1859 break;
1860 dp = (const usb_descriptor_t *)ibuf;
1861 if (ibuf + dp->bLength > ibufend)
1862 return (USBD_INVAL);
1863 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1864 printf("uaudio_identify_ac: skip desc type=0x%02x\n",
1865 dp->bDescriptorType);
1866 continue;
1867 }
1868 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1869 iot[i].d.desc = dp;
1870 if (i > ndps)
1871 ndps = i;
1872 }
1873 ndps++;
1874
1875 /* construct io_terminal */
1876 for (i = 0; i < ndps; i++) {
1877 dp = iot[i].d.desc;
1878 if (dp == NULL)
1879 continue;
1880 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1881 continue;
1882 pot = iot[i].d.ot;
1883 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1884 if (tml != NULL)
1885 free(tml, M_TEMP);
1886 }
1887
1888 #ifdef UAUDIO_DEBUG
1889 for (i = 0; i < 256; i++) {
1890 struct usb_audio_cluster cluster;
1891
1892 if (iot[i].d.desc == NULL)
1893 continue;
1894 logprintf("id %d:\t", i);
1895 switch (iot[i].d.desc->bDescriptorSubtype) {
1896 case UDESCSUB_AC_INPUT:
1897 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1898 (UGETW(iot[i].d.it->wTerminalType)));
1899 logprintf("\t");
1900 cluster = uaudio_get_cluster(i, iot);
1901 uaudio_dump_cluster(&cluster);
1902 logprintf("\n");
1903 break;
1904 case UDESCSUB_AC_OUTPUT:
1905 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1906 (UGETW(iot[i].d.ot->wTerminalType)));
1907 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1908 break;
1909 case UDESCSUB_AC_MIXER:
1910 logprintf("AC_MIXER src=");
1911 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1912 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1913 logprintf("\n\t");
1914 cluster = uaudio_get_cluster(i, iot);
1915 uaudio_dump_cluster(&cluster);
1916 logprintf("\n");
1917 break;
1918 case UDESCSUB_AC_SELECTOR:
1919 logprintf("AC_SELECTOR src=");
1920 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1921 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1922 logprintf("\n");
1923 break;
1924 case UDESCSUB_AC_FEATURE:
1925 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1926 break;
1927 case UDESCSUB_AC_PROCESSING:
1928 logprintf("AC_PROCESSING src=");
1929 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1930 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1931 logprintf("\n\t");
1932 cluster = uaudio_get_cluster(i, iot);
1933 uaudio_dump_cluster(&cluster);
1934 logprintf("\n");
1935 break;
1936 case UDESCSUB_AC_EXTENSION:
1937 logprintf("AC_EXTENSION src=");
1938 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1939 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1940 logprintf("\n\t");
1941 cluster = uaudio_get_cluster(i, iot);
1942 uaudio_dump_cluster(&cluster);
1943 logprintf("\n");
1944 break;
1945 default:
1946 logprintf("unknown audio control (subtype=%d)\n",
1947 iot[i].d.desc->bDescriptorSubtype);
1948 }
1949 for (j = 0; j < iot[i].inputs_size; j++) {
1950 int k;
1951 logprintf("\tinput%d: ", j);
1952 tml = iot[i].inputs[j];
1953 if (tml == NULL) {
1954 logprintf("NULL\n");
1955 continue;
1956 }
1957 for (k = 0; k < tml->size; k++)
1958 logprintf("%s ", uaudio_get_terminal_name
1959 (tml->terminals[k]));
1960 logprintf("\n");
1961 }
1962 logprintf("\toutput: ");
1963 tml = iot[i].output;
1964 for (j = 0; j < tml->size; j++)
1965 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
1966 logprintf("\n");
1967 }
1968 #endif
1969
1970 for (i = 0; i < ndps; i++) {
1971 dp = iot[i].d.desc;
1972 if (dp == NULL)
1973 continue;
1974 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
1975 i, dp->bDescriptorSubtype));
1976 switch (dp->bDescriptorSubtype) {
1977 case UDESCSUB_AC_HEADER:
1978 printf("uaudio_identify_ac: unexpected AC header\n");
1979 break;
1980 case UDESCSUB_AC_INPUT:
1981 uaudio_add_input(sc, iot, i);
1982 break;
1983 case UDESCSUB_AC_OUTPUT:
1984 uaudio_add_output(sc, iot, i);
1985 break;
1986 case UDESCSUB_AC_MIXER:
1987 uaudio_add_mixer(sc, iot, i);
1988 break;
1989 case UDESCSUB_AC_SELECTOR:
1990 uaudio_add_selector(sc, iot, i);
1991 break;
1992 case UDESCSUB_AC_FEATURE:
1993 uaudio_add_feature(sc, iot, i);
1994 break;
1995 case UDESCSUB_AC_PROCESSING:
1996 uaudio_add_processing(sc, iot, i);
1997 break;
1998 case UDESCSUB_AC_EXTENSION:
1999 uaudio_add_extension(sc, iot, i);
2000 break;
2001 default:
2002 printf("uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2003 dp->bDescriptorSubtype);
2004 break;
2005 }
2006 }
2007
2008 /* delete io_terminal */
2009 for (i = 0; i < 256; i++) {
2010 if (iot[i].d.desc == NULL)
2011 continue;
2012 if (iot[i].inputs != NULL) {
2013 for (j = 0; j < iot[i].inputs_size; j++) {
2014 if (iot[i].inputs[j] != NULL)
2015 free(iot[i].inputs[j], M_TEMP);
2016 }
2017 free(iot[i].inputs, M_TEMP);
2018 }
2019 if (iot[i].output != NULL)
2020 free(iot[i].output, M_TEMP);
2021 iot[i].d.desc = NULL;
2022 }
2023 free(iot, M_TEMP);
2024
2025 return (USBD_NORMAL_COMPLETION);
2026 }
2027
2028 Static int
2029 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2030 {
2031 struct uaudio_softc *sc = addr;
2032 struct mixerctl *mc;
2033 int n, nctls, i;
2034
2035 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2036 if (sc->sc_dying)
2037 return (EIO);
2038
2039 n = mi->index;
2040 nctls = sc->sc_nctls;
2041
2042 switch (n) {
2043 case UAC_OUTPUT:
2044 mi->type = AUDIO_MIXER_CLASS;
2045 mi->mixer_class = UAC_OUTPUT;
2046 mi->next = mi->prev = AUDIO_MIXER_LAST;
2047 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2048 return (0);
2049 case UAC_INPUT:
2050 mi->type = AUDIO_MIXER_CLASS;
2051 mi->mixer_class = UAC_INPUT;
2052 mi->next = mi->prev = AUDIO_MIXER_LAST;
2053 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2054 return (0);
2055 case UAC_EQUAL:
2056 mi->type = AUDIO_MIXER_CLASS;
2057 mi->mixer_class = UAC_EQUAL;
2058 mi->next = mi->prev = AUDIO_MIXER_LAST;
2059 strlcpy(mi->label.name, AudioCequalization,
2060 sizeof(mi->label.name));
2061 return (0);
2062 case UAC_RECORD:
2063 mi->type = AUDIO_MIXER_CLASS;
2064 mi->mixer_class = UAC_RECORD;
2065 mi->next = mi->prev = AUDIO_MIXER_LAST;
2066 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2067 return 0;
2068 default:
2069 break;
2070 }
2071
2072 n -= UAC_NCLASSES;
2073 if (n < 0 || n >= nctls)
2074 return (ENXIO);
2075
2076 mc = &sc->sc_ctls[n];
2077 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2078 mi->mixer_class = mc->class;
2079 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2080 switch (mc->type) {
2081 case MIX_ON_OFF:
2082 mi->type = AUDIO_MIXER_ENUM;
2083 mi->un.e.num_mem = 2;
2084 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2085 sizeof(mi->un.e.member[0].label.name));
2086 mi->un.e.member[0].ord = 0;
2087 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2088 sizeof(mi->un.e.member[1].label.name));
2089 mi->un.e.member[1].ord = 1;
2090 break;
2091 case MIX_SELECTOR:
2092 mi->type = AUDIO_MIXER_ENUM;
2093 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2094 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2095 snprintf(mi->un.e.member[i].label.name,
2096 sizeof(mi->un.e.member[i].label.name),
2097 "%d", i + mc->minval);
2098 mi->un.e.member[i].ord = i + mc->minval;
2099 }
2100 break;
2101 default:
2102 mi->type = AUDIO_MIXER_VALUE;
2103 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2104 mi->un.v.num_channels = mc->nchan;
2105 mi->un.v.delta = mc->delta;
2106 break;
2107 }
2108 return (0);
2109 }
2110
2111 Static int
2112 uaudio_open(void *addr, int flags)
2113 {
2114 struct uaudio_softc *sc = addr;
2115
2116 DPRINTF(("uaudio_open: sc=%p\n", sc));
2117 if (sc->sc_dying)
2118 return (EIO);
2119
2120 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2121 return (EACCES);
2122 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2123 return (EACCES);
2124
2125 return (0);
2126 }
2127
2128 /*
2129 * Close function is called at splaudio().
2130 */
2131 Static void
2132 uaudio_close(void *addr)
2133 {
2134 }
2135
2136 Static int
2137 uaudio_drain(void *addr)
2138 {
2139 struct uaudio_softc *sc = addr;
2140
2141 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2142
2143 return (0);
2144 }
2145
2146 Static int
2147 uaudio_halt_out_dma(void *addr)
2148 {
2149 struct uaudio_softc *sc = addr;
2150
2151 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2152 if (sc->sc_playchan.pipe != NULL) {
2153 uaudio_chan_close(sc, &sc->sc_playchan);
2154 sc->sc_playchan.pipe = NULL;
2155 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2156 sc->sc_playchan.intr = NULL;
2157 }
2158 return (0);
2159 }
2160
2161 Static int
2162 uaudio_halt_in_dma(void *addr)
2163 {
2164 struct uaudio_softc *sc = addr;
2165
2166 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2167 if (sc->sc_recchan.pipe != NULL) {
2168 uaudio_chan_close(sc, &sc->sc_recchan);
2169 sc->sc_recchan.pipe = NULL;
2170 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2171 sc->sc_recchan.intr = NULL;
2172 }
2173 return (0);
2174 }
2175
2176 Static int
2177 uaudio_getdev(void *addr, struct audio_device *retp)
2178 {
2179 struct uaudio_softc *sc = addr;
2180
2181 DPRINTF(("uaudio_mixer_getdev:\n"));
2182 if (sc->sc_dying)
2183 return (EIO);
2184
2185 *retp = uaudio_device;
2186 return (0);
2187 }
2188
2189 /*
2190 * Make sure the block size is large enough to hold all outstanding transfers.
2191 */
2192 Static int
2193 uaudio_round_blocksize(void *addr, int blk,
2194 int mode, const audio_params_t *param)
2195 {
2196 struct uaudio_softc *sc = addr;
2197 int bpf;
2198
2199 DPRINTF(("uaudio_round_blocksize: p.bpf=%d r.bpf=%d\n",
2200 sc->sc_playchan.bytes_per_frame,
2201 sc->sc_recchan.bytes_per_frame));
2202 if (sc->sc_playchan.bytes_per_frame > sc->sc_recchan.bytes_per_frame) {
2203 bpf = sc->sc_playchan.bytes_per_frame
2204 + sc->sc_playchan.sample_size;
2205 } else {
2206 bpf = sc->sc_recchan.bytes_per_frame
2207 + sc->sc_recchan.sample_size;
2208 }
2209 /* XXX */
2210 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2211
2212 bpf = (bpf + 15) &~ 15;
2213
2214 if (blk < bpf)
2215 blk = bpf;
2216
2217 #ifdef DIAGNOSTIC
2218 if (blk <= 0) {
2219 printf("uaudio_round_blocksize: blk=%d\n", blk);
2220 blk = 512;
2221 }
2222 #endif
2223
2224 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk));
2225 return (blk);
2226 }
2227
2228 Static int
2229 uaudio_get_props(void *addr)
2230 {
2231 return (AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT);
2232
2233 }
2234
2235 Static int
2236 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2237 int wIndex, int len)
2238 {
2239 usb_device_request_t req;
2240 u_int8_t data[4];
2241 usbd_status err;
2242 int val;
2243
2244 if (wValue == -1)
2245 return (0);
2246
2247 req.bmRequestType = type;
2248 req.bRequest = which;
2249 USETW(req.wValue, wValue);
2250 USETW(req.wIndex, wIndex);
2251 USETW(req.wLength, len);
2252 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2253 "wIndex=0x%04x len=%d\n",
2254 type, which, wValue, wIndex, len));
2255 err = usbd_do_request(sc->sc_udev, &req, data);
2256 if (err) {
2257 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2258 return (-1);
2259 }
2260 switch (len) {
2261 case 1:
2262 val = data[0];
2263 break;
2264 case 2:
2265 val = data[0] | (data[1] << 8);
2266 break;
2267 default:
2268 DPRINTF(("uaudio_get: bad length=%d\n", len));
2269 return (-1);
2270 }
2271 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2272 return (val);
2273 }
2274
2275 Static void
2276 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2277 int wIndex, int len, int val)
2278 {
2279 usb_device_request_t req;
2280 u_int8_t data[4];
2281 usbd_status err;
2282
2283 if (wValue == -1)
2284 return;
2285
2286 req.bmRequestType = type;
2287 req.bRequest = which;
2288 USETW(req.wValue, wValue);
2289 USETW(req.wIndex, wIndex);
2290 USETW(req.wLength, len);
2291 switch (len) {
2292 case 1:
2293 data[0] = val;
2294 break;
2295 case 2:
2296 data[0] = val;
2297 data[1] = val >> 8;
2298 break;
2299 default:
2300 return;
2301 }
2302 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2303 "wIndex=0x%04x len=%d, val=%d\n",
2304 type, which, wValue, wIndex, len, val & 0xffff));
2305 err = usbd_do_request(sc->sc_udev, &req, data);
2306 #ifdef UAUDIO_DEBUG
2307 if (err)
2308 DPRINTF(("uaudio_set: err=%d\n", err));
2309 #endif
2310 }
2311
2312 Static int
2313 uaudio_signext(int type, int val)
2314 {
2315 if (!MIX_UNSIGNED(type)) {
2316 if (MIX_SIZE(type) == 2)
2317 val = (int16_t)val;
2318 else
2319 val = (int8_t)val;
2320 }
2321 return (val);
2322 }
2323
2324 Static int
2325 uaudio_value2bsd(struct mixerctl *mc, int val)
2326 {
2327 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2328 mc->type, val, mc->minval, mc->maxval));
2329 if (mc->type == MIX_ON_OFF) {
2330 val = (val != 0);
2331 } else if (mc->type == MIX_SELECTOR) {
2332 if (val < mc->minval || val > mc->maxval)
2333 val = mc->minval;
2334 } else
2335 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2336 + mc->mul/2) / mc->mul;
2337 DPRINTFN(5, ("val'=%d\n", val));
2338 return (val);
2339 }
2340
2341 int
2342 uaudio_bsd2value(struct mixerctl *mc, int val)
2343 {
2344 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2345 mc->type, val, mc->minval, mc->maxval));
2346 if (mc->type == MIX_ON_OFF) {
2347 val = (val != 0);
2348 } else if (mc->type == MIX_SELECTOR) {
2349 if (val < mc->minval || val > mc->maxval)
2350 val = mc->minval;
2351 } else
2352 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2353 DPRINTFN(5, ("val'=%d\n", val));
2354 return (val);
2355 }
2356
2357 Static int
2358 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2359 int chan)
2360 {
2361 int val;
2362
2363 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2364 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2365 mc->wIndex, MIX_SIZE(mc->type));
2366 return (uaudio_value2bsd(mc, val));
2367 }
2368
2369 Static void
2370 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2371 int chan, int val)
2372 {
2373 val = uaudio_bsd2value(mc, val);
2374 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2375 mc->wIndex, MIX_SIZE(mc->type), val);
2376 }
2377
2378 Static int
2379 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2380 {
2381 struct uaudio_softc *sc = addr;
2382 struct mixerctl *mc;
2383 int i, n, vals[MIX_MAX_CHAN], val;
2384
2385 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2386
2387 if (sc->sc_dying)
2388 return (EIO);
2389
2390 n = cp->dev - UAC_NCLASSES;
2391 if (n < 0 || n >= sc->sc_nctls)
2392 return (ENXIO);
2393 mc = &sc->sc_ctls[n];
2394
2395 if (mc->type == MIX_ON_OFF) {
2396 if (cp->type != AUDIO_MIXER_ENUM)
2397 return (EINVAL);
2398 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2399 } else if (mc->type == MIX_SELECTOR) {
2400 if (cp->type != AUDIO_MIXER_ENUM)
2401 return (EINVAL);
2402 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2403 } else {
2404 if (cp->type != AUDIO_MIXER_VALUE)
2405 return (EINVAL);
2406 if (cp->un.value.num_channels != 1 &&
2407 cp->un.value.num_channels != mc->nchan)
2408 return (EINVAL);
2409 for (i = 0; i < mc->nchan; i++)
2410 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2411 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2412 for (val = 0, i = 0; i < mc->nchan; i++)
2413 val += vals[i];
2414 vals[0] = val / mc->nchan;
2415 }
2416 for (i = 0; i < cp->un.value.num_channels; i++)
2417 cp->un.value.level[i] = vals[i];
2418 }
2419
2420 return (0);
2421 }
2422
2423 Static int
2424 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2425 {
2426 struct uaudio_softc *sc = addr;
2427 struct mixerctl *mc;
2428 int i, n, vals[MIX_MAX_CHAN];
2429
2430 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2431 if (sc->sc_dying)
2432 return (EIO);
2433
2434 n = cp->dev - UAC_NCLASSES;
2435 if (n < 0 || n >= sc->sc_nctls)
2436 return (ENXIO);
2437 mc = &sc->sc_ctls[n];
2438
2439 if (mc->type == MIX_ON_OFF) {
2440 if (cp->type != AUDIO_MIXER_ENUM)
2441 return (EINVAL);
2442 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2443 } else if (mc->type == MIX_SELECTOR) {
2444 if (cp->type != AUDIO_MIXER_ENUM)
2445 return (EINVAL);
2446 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2447 } else {
2448 if (cp->type != AUDIO_MIXER_VALUE)
2449 return (EINVAL);
2450 if (cp->un.value.num_channels == 1)
2451 for (i = 0; i < mc->nchan; i++)
2452 vals[i] = cp->un.value.level[0];
2453 else if (cp->un.value.num_channels == mc->nchan)
2454 for (i = 0; i < mc->nchan; i++)
2455 vals[i] = cp->un.value.level[i];
2456 else
2457 return (EINVAL);
2458 for (i = 0; i < mc->nchan; i++)
2459 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2460 }
2461 return (0);
2462 }
2463
2464 Static int
2465 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2466 void (*intr)(void *), void *arg,
2467 const audio_params_t *param)
2468 {
2469 struct uaudio_softc *sc = addr;
2470 struct chan *ch = &sc->sc_recchan;
2471 usbd_status err;
2472 int i, s;
2473
2474 if (sc->sc_dying)
2475 return (EIO);
2476
2477 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2478 "blksize=%d\n", sc, start, end, blksize));
2479
2480 uaudio_chan_set_param(ch, start, end, blksize);
2481 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2482 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2483 ch->fraction));
2484
2485 err = uaudio_chan_alloc_buffers(sc, ch);
2486 if (err)
2487 return (EIO);
2488
2489 err = uaudio_chan_open(sc, ch);
2490 if (err) {
2491 uaudio_chan_free_buffers(sc, ch);
2492 return (EIO);
2493 }
2494
2495 ch->intr = intr;
2496 ch->arg = arg;
2497
2498 s = splusb();
2499 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2500 uaudio_chan_rtransfer(ch);
2501 splx(s);
2502
2503 return (0);
2504 }
2505
2506 Static int
2507 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2508 void (*intr)(void *), void *arg,
2509 const audio_params_t *param)
2510 {
2511 struct uaudio_softc *sc = addr;
2512 struct chan *ch = &sc->sc_playchan;
2513 usbd_status err;
2514 int i, s;
2515
2516 if (sc->sc_dying)
2517 return (EIO);
2518
2519 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2520 "blksize=%d\n", sc, start, end, blksize));
2521
2522 uaudio_chan_set_param(ch, start, end, blksize);
2523 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2524 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2525 ch->fraction));
2526
2527 err = uaudio_chan_alloc_buffers(sc, ch);
2528 if (err)
2529 return (EIO);
2530
2531 err = uaudio_chan_open(sc, ch);
2532 if (err) {
2533 uaudio_chan_free_buffers(sc, ch);
2534 return (EIO);
2535 }
2536
2537 ch->intr = intr;
2538 ch->arg = arg;
2539
2540 s = splusb();
2541 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2542 uaudio_chan_ptransfer(ch);
2543 splx(s);
2544
2545 return (0);
2546 }
2547
2548 /* Set up a pipe for a channel. */
2549 Static usbd_status
2550 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2551 {
2552 struct as_info *as = &sc->sc_alts[ch->altidx];
2553 int endpt = as->edesc->bEndpointAddress;
2554 usbd_status err;
2555
2556 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2557 endpt, ch->sample_rate, as->alt));
2558
2559 /* Set alternate interface corresponding to the mode. */
2560 err = usbd_set_interface(as->ifaceh, as->alt);
2561 if (err)
2562 return (err);
2563
2564 /*
2565 * If just one sampling rate is supported,
2566 * no need to call uaudio_set_speed().
2567 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2568 */
2569 if (as->asf1desc->bSamFreqType != 1) {
2570 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2571 if (err)
2572 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2573 usbd_errstr(err)));
2574 }
2575
2576 ch->pipe = 0;
2577 ch->sync_pipe = 0;
2578 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2579 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2580 if (err)
2581 return err;
2582 if (as->edesc1 != NULL) {
2583 endpt = as->edesc1->bEndpointAddress;
2584 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2585 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2586 }
2587 return err;
2588 }
2589
2590 Static void
2591 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2592 {
2593 struct as_info *as = &sc->sc_alts[ch->altidx];
2594
2595 as->sc_busy = 0;
2596 AUFMT_VALIDATE(as->aformat);
2597 if (sc->sc_nullalt >= 0) {
2598 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2599 sc->sc_nullalt));
2600 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2601 }
2602 if (ch->pipe) {
2603 usbd_abort_pipe(ch->pipe);
2604 usbd_close_pipe(ch->pipe);
2605 }
2606 if (ch->sync_pipe) {
2607 usbd_abort_pipe(ch->sync_pipe);
2608 usbd_close_pipe(ch->sync_pipe);
2609 }
2610 }
2611
2612 Static usbd_status
2613 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2614 {
2615 usbd_xfer_handle xfer;
2616 void *buf;
2617 int i, size;
2618
2619 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2620 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2621 xfer = usbd_alloc_xfer(sc->sc_udev);
2622 if (xfer == 0)
2623 goto bad;
2624 ch->chanbufs[i].xfer = xfer;
2625 buf = usbd_alloc_buffer(xfer, size);
2626 if (buf == 0) {
2627 i++;
2628 goto bad;
2629 }
2630 ch->chanbufs[i].buffer = buf;
2631 ch->chanbufs[i].chan = ch;
2632 }
2633
2634 return (USBD_NORMAL_COMPLETION);
2635
2636 bad:
2637 while (--i >= 0)
2638 /* implicit buffer free */
2639 usbd_free_xfer(ch->chanbufs[i].xfer);
2640 return (USBD_NOMEM);
2641 }
2642
2643 Static void
2644 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2645 {
2646 int i;
2647
2648 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2649 usbd_free_xfer(ch->chanbufs[i].xfer);
2650 }
2651
2652 /* Called at splusb() */
2653 Static void
2654 uaudio_chan_ptransfer(struct chan *ch)
2655 {
2656 struct chanbuf *cb;
2657 int i, n, size, residue, total;
2658
2659 if (ch->sc->sc_dying)
2660 return;
2661
2662 /* Pick the next channel buffer. */
2663 cb = &ch->chanbufs[ch->curchanbuf];
2664 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2665 ch->curchanbuf = 0;
2666
2667 /* Compute the size of each frame in the next transfer. */
2668 residue = ch->residue;
2669 total = 0;
2670 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2671 size = ch->bytes_per_frame;
2672 residue += ch->fraction;
2673 if (residue >= USB_FRAMES_PER_SECOND) {
2674 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2675 size += ch->sample_size;
2676 residue -= USB_FRAMES_PER_SECOND;
2677 }
2678 cb->sizes[i] = size;
2679 total += size;
2680 }
2681 ch->residue = residue;
2682 cb->size = total;
2683
2684 /*
2685 * Transfer data from upper layer buffer to channel buffer, taking
2686 * care of wrapping the upper layer buffer.
2687 */
2688 n = min(total, ch->end - ch->cur);
2689 memcpy(cb->buffer, ch->cur, n);
2690 ch->cur += n;
2691 if (ch->cur >= ch->end)
2692 ch->cur = ch->start;
2693 if (total > n) {
2694 total -= n;
2695 memcpy(cb->buffer + n, ch->cur, total);
2696 ch->cur += total;
2697 }
2698
2699 #ifdef UAUDIO_DEBUG
2700 if (uaudiodebug > 8) {
2701 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2702 cb->buffer, ch->residue));
2703 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2704 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2705 }
2706 }
2707 #endif
2708
2709 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2710 /* Fill the request */
2711 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2712 UAUDIO_NFRAMES, USBD_NO_COPY,
2713 uaudio_chan_pintr);
2714
2715 (void)usbd_transfer(cb->xfer);
2716 }
2717
2718 Static void
2719 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2720 usbd_status status)
2721 {
2722 struct chanbuf *cb = priv;
2723 struct chan *ch = cb->chan;
2724 u_int32_t count;
2725 int s;
2726
2727 /* Return if we are aborting. */
2728 if (status == USBD_CANCELLED)
2729 return;
2730
2731 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2732 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2733 count, ch->transferred));
2734 #ifdef DIAGNOSTIC
2735 if (count != cb->size) {
2736 printf("uaudio_chan_pintr: count(%d) != size(%d)\n",
2737 count, cb->size);
2738 }
2739 #endif
2740
2741 ch->transferred += cb->size;
2742 s = splaudio();
2743 /* Call back to upper layer */
2744 while (ch->transferred >= ch->blksize) {
2745 ch->transferred -= ch->blksize;
2746 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2747 ch->intr, ch->arg));
2748 ch->intr(ch->arg);
2749 }
2750 splx(s);
2751
2752 /* start next transfer */
2753 uaudio_chan_ptransfer(ch);
2754 }
2755
2756 /* Called at splusb() */
2757 Static void
2758 uaudio_chan_rtransfer(struct chan *ch)
2759 {
2760 struct chanbuf *cb;
2761 int i, size, residue, total;
2762
2763 if (ch->sc->sc_dying)
2764 return;
2765
2766 /* Pick the next channel buffer. */
2767 cb = &ch->chanbufs[ch->curchanbuf];
2768 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2769 ch->curchanbuf = 0;
2770
2771 /* Compute the size of each frame in the next transfer. */
2772 residue = ch->residue;
2773 total = 0;
2774 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2775 size = ch->bytes_per_frame;
2776 cb->sizes[i] = size;
2777 cb->offsets[i] = total;
2778 total += size;
2779 }
2780 ch->residue = residue;
2781 cb->size = total;
2782
2783 #ifdef UAUDIO_DEBUG
2784 if (uaudiodebug > 8) {
2785 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2786 cb->buffer, ch->residue));
2787 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2788 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2789 }
2790 }
2791 #endif
2792
2793 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2794 /* Fill the request */
2795 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2796 UAUDIO_NFRAMES, USBD_NO_COPY,
2797 uaudio_chan_rintr);
2798
2799 (void)usbd_transfer(cb->xfer);
2800 }
2801
2802 Static void
2803 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2804 usbd_status status)
2805 {
2806 struct chanbuf *cb = priv;
2807 struct chan *ch = cb->chan;
2808 u_int32_t count;
2809 int s, i, n, frsize;
2810
2811 /* Return if we are aborting. */
2812 if (status == USBD_CANCELLED)
2813 return;
2814
2815 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2816 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2817 count, ch->transferred));
2818
2819 /* count < cb->size is normal for asynchronous source */
2820 #ifdef DIAGNOSTIC
2821 if (count > cb->size) {
2822 printf("uaudio_chan_rintr: count(%d) > size(%d)\n",
2823 count, cb->size);
2824 }
2825 #endif
2826
2827 /*
2828 * Transfer data from channel buffer to upper layer buffer, taking
2829 * care of wrapping the upper layer buffer.
2830 */
2831 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2832 frsize = cb->sizes[i];
2833 n = min(frsize, ch->end - ch->cur);
2834 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2835 ch->cur += n;
2836 if (ch->cur >= ch->end)
2837 ch->cur = ch->start;
2838 if (frsize > n) {
2839 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2840 frsize - n);
2841 ch->cur += frsize - n;
2842 }
2843 }
2844
2845 /* Call back to upper layer */
2846 ch->transferred += count;
2847 s = splaudio();
2848 while (ch->transferred >= ch->blksize) {
2849 ch->transferred -= ch->blksize;
2850 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2851 ch->intr, ch->arg));
2852 ch->intr(ch->arg);
2853 }
2854 splx(s);
2855
2856 /* start next transfer */
2857 uaudio_chan_rtransfer(ch);
2858 }
2859
2860 Static void
2861 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2862 int maxpktsize)
2863 {
2864 int samples_per_frame, sample_size;
2865
2866 ch->altidx = altidx;
2867 sample_size = param->precision * param->channels / 8;
2868 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2869 ch->sample_size = sample_size;
2870 ch->sample_rate = param->sample_rate;
2871 if (maxpktsize == 0) {
2872 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2873 ch->bytes_per_frame = samples_per_frame * sample_size;
2874 } else {
2875 ch->fraction = 0;
2876 ch->bytes_per_frame = maxpktsize;
2877 }
2878 ch->residue = 0;
2879 }
2880
2881 Static void
2882 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2883 {
2884 ch->start = start;
2885 ch->end = end;
2886 ch->cur = start;
2887 ch->blksize = blksize;
2888 ch->transferred = 0;
2889
2890 ch->curchanbuf = 0;
2891 }
2892
2893 Static int
2894 uaudio_set_params(void *addr, int setmode, int usemode,
2895 struct audio_params *play, struct audio_params *rec,
2896 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
2897 {
2898 struct uaudio_softc *sc = addr;
2899 int paltidx = -1, raltidx = -1;
2900 struct audio_params *p;
2901 stream_filter_list_t *fil;
2902 int mode, i;
2903
2904 if (sc->sc_dying)
2905 return (EIO);
2906
2907 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2908 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2909 return (EBUSY);
2910
2911 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2912 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2913 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2914 }
2915 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2916 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2917 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2918 }
2919
2920 /* Some uaudio devices are unidirectional. Don't try to find a
2921 matching mode for the unsupported direction. */
2922 setmode &= sc->sc_mode;
2923
2924 for (mode = AUMODE_RECORD; mode != -1;
2925 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2926 if ((setmode & mode) == 0)
2927 continue;
2928
2929 if (mode == AUMODE_PLAY) {
2930 p = play;
2931 fil = pfil;
2932 } else {
2933 p = rec;
2934 fil = rfil;
2935 }
2936 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
2937 mode, p, TRUE, fil);
2938 if (i < 0)
2939 return EINVAL;
2940
2941 if (mode == AUMODE_PLAY)
2942 paltidx = i;
2943 else
2944 raltidx = i;
2945 }
2946
2947 if ((setmode & AUMODE_PLAY)) {
2948 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
2949 /* XXX abort transfer if currently happening? */
2950 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
2951 }
2952 if ((setmode & AUMODE_RECORD)) {
2953 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
2954 /* XXX abort transfer if currently happening? */
2955 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
2956 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
2957 }
2958
2959 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2960 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
2961 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2962 }
2963 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2964 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
2965 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2966 }
2967
2968 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
2969 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
2970 (sc->sc_playchan.altidx >= 0)
2971 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
2972 : -1,
2973 (sc->sc_recchan.altidx >= 0)
2974 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
2975 : -1));
2976
2977 return (0);
2978 }
2979
2980 Static usbd_status
2981 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
2982 {
2983 usb_device_request_t req;
2984 u_int8_t data[3];
2985
2986 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
2987 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
2988 req.bRequest = SET_CUR;
2989 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
2990 USETW(req.wIndex, endpt);
2991 USETW(req.wLength, 3);
2992 data[0] = speed;
2993 data[1] = speed >> 8;
2994 data[2] = speed >> 16;
2995
2996 return (usbd_do_request(sc->sc_udev, &req, data));
2997 }
2998