uaudio.c revision 1.103 1 /* $NetBSD: uaudio.c,v 1.103 2006/05/11 19:09:25 mrg 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 1.103 2006/05/11 19:09:25 mrg 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 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
95 uint16_t wIndex;
96 uint8_t nchan;
97 uint8_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 uint8_t class;
109 char ctlname[MAX_AUDIO_DEV_LEN];
110 const char *ctlunit;
111 };
112 #define MAKE(h,l) (((h) << 8) | (l))
113
114 struct as_info {
115 uint8_t alt;
116 uint8_t encoding;
117 uint8_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 uint16_t sizes[UAUDIO_NFRAMES];
155 uint16_t offsets[UAUDIO_NFRAMES];
156 uint16_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 *devinfop;
392 usbd_status err;
393 int i, j, found;
394
395 devinfop = usbd_devinfo_alloc(uaa->device, 0);
396 printf(": %s\n", devinfop);
397 usbd_devinfo_free(devinfop);
398
399 sc->sc_udev = uaa->device;
400
401 cdesc = usbd_get_config_descriptor(sc->sc_udev);
402 if (cdesc == NULL) {
403 printf("%s: failed to get configuration descriptor\n",
404 USBDEVNAME(sc->sc_dev));
405 USB_ATTACH_ERROR_RETURN;
406 }
407
408 err = uaudio_identify(sc, cdesc);
409 if (err) {
410 printf("%s: audio descriptors make no sense, error=%d\n",
411 USBDEVNAME(sc->sc_dev), err);
412 USB_ATTACH_ERROR_RETURN;
413 }
414
415 sc->sc_ac_ifaceh = uaa->iface;
416 /* Pick up the AS interface. */
417 for (i = 0; i < uaa->nifaces; i++) {
418 if (uaa->ifaces[i] == NULL)
419 continue;
420 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
421 if (id == NULL)
422 continue;
423 found = 0;
424 for (j = 0; j < sc->sc_nalts; j++) {
425 if (id->bInterfaceNumber ==
426 sc->sc_alts[j].idesc->bInterfaceNumber) {
427 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
428 found = 1;
429 }
430 }
431 if (found)
432 uaa->ifaces[i] = NULL;
433 }
434
435 for (j = 0; j < sc->sc_nalts; j++) {
436 if (sc->sc_alts[j].ifaceh == NULL) {
437 printf("%s: alt %d missing AS interface(s)\n",
438 USBDEVNAME(sc->sc_dev), j);
439 USB_ATTACH_ERROR_RETURN;
440 }
441 }
442
443 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev),
444 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
445
446 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
447 sc->sc_playchan.altidx = -1;
448 sc->sc_recchan.altidx = -1;
449
450 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
451 sc->sc_altflags |= UA_NOFRAC;
452
453 #ifndef UAUDIO_DEBUG
454 if (bootverbose)
455 #endif
456 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev),
457 sc->sc_nctls);
458
459 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
460 USBDEV(sc->sc_dev));
461
462 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
463 #if defined(__OpenBSD__)
464 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
465 #else
466 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
467 #endif
468
469 USB_ATTACH_SUCCESS_RETURN;
470 }
471
472 int
473 uaudio_activate(device_ptr_t self, enum devact act)
474 {
475 struct uaudio_softc *sc;
476 int rv;
477
478 sc = (struct uaudio_softc *)self;
479 rv = 0;
480 switch (act) {
481 case DVACT_ACTIVATE:
482 return EOPNOTSUPP;
483
484 case DVACT_DEACTIVATE:
485 if (sc->sc_audiodev != NULL)
486 rv = config_deactivate(sc->sc_audiodev);
487 sc->sc_dying = 1;
488 break;
489 }
490 return rv;
491 }
492
493 int
494 uaudio_detach(device_ptr_t self, int flags)
495 {
496 struct uaudio_softc *sc;
497 int rv;
498
499 sc = (struct uaudio_softc *)self;
500 rv = 0;
501 /* Wait for outstanding requests to complete. */
502 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
503
504 if (sc->sc_audiodev != NULL)
505 rv = config_detach(sc->sc_audiodev, flags);
506
507 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
508 USBDEV(sc->sc_dev));
509
510 if (sc->sc_formats != NULL)
511 free(sc->sc_formats, M_USBDEV);
512 auconv_delete_encodings(sc->sc_encodings);
513 return rv;
514 }
515
516 Static int
517 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
518 {
519 struct uaudio_softc *sc;
520 int flags;
521
522 sc = addr;
523 flags = sc->sc_altflags;
524 if (sc->sc_dying)
525 return EIO;
526
527 if (sc->sc_nalts == 0 || flags == 0)
528 return ENXIO;
529
530 return auconv_query_encoding(sc->sc_encodings, fp);
531 }
532
533 Static const usb_interface_descriptor_t *
534 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
535 {
536 const usb_interface_descriptor_t *d;
537
538 while (*offsp < size) {
539 d = (const void *)(tbuf + *offsp);
540 *offsp += d->bLength;
541 if (d->bDescriptorType == UDESC_INTERFACE &&
542 d->bInterfaceClass == UICLASS_AUDIO &&
543 d->bInterfaceSubClass == subtype)
544 return d;
545 }
546 return NULL;
547 }
548
549 Static void
550 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
551 {
552 int res;
553 size_t len;
554 struct mixerctl *nmc;
555
556 if (mc->class < UAC_NCLASSES) {
557 DPRINTF(("%s: adding %s.%s\n",
558 __func__, uac_names[mc->class], mc->ctlname));
559 } else {
560 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
561 }
562 len = sizeof(*mc) * (sc->sc_nctls + 1);
563 nmc = malloc(len, M_USBDEV, M_NOWAIT);
564 if (nmc == NULL) {
565 printf("uaudio_mixer_add_ctl: no memory\n");
566 return;
567 }
568 /* Copy old data, if there was any */
569 if (sc->sc_nctls != 0) {
570 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
571 free(sc->sc_ctls, M_USBDEV);
572 }
573 sc->sc_ctls = nmc;
574
575 mc->delta = 0;
576 if (mc->type == MIX_ON_OFF) {
577 mc->minval = 0;
578 mc->maxval = 1;
579 } else if (mc->type == MIX_SELECTOR) {
580 ;
581 } else {
582 /* Determine min and max values. */
583 mc->minval = uaudio_signext(mc->type,
584 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
585 mc->wValue[0], mc->wIndex,
586 MIX_SIZE(mc->type)));
587 mc->maxval = 1 + uaudio_signext(mc->type,
588 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
589 mc->wValue[0], mc->wIndex,
590 MIX_SIZE(mc->type)));
591 mc->mul = mc->maxval - mc->minval;
592 if (mc->mul == 0)
593 mc->mul = 1;
594 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
595 mc->wValue[0], mc->wIndex,
596 MIX_SIZE(mc->type));
597 if (res > 0)
598 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
599 }
600
601 sc->sc_ctls[sc->sc_nctls++] = *mc;
602
603 #ifdef UAUDIO_DEBUG
604 if (uaudiodebug > 2) {
605 int i;
606 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
607 for (i = 1; i < mc->nchan; i++)
608 DPRINTF((",%04x", mc->wValue[i]));
609 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
610 "min=%d max=%d\n",
611 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
612 mc->minval, mc->maxval));
613 }
614 #endif
615 }
616
617 Static char *
618 uaudio_id_name(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
619 {
620 static char tbuf[32];
621
622 snprintf(tbuf, sizeof(tbuf), "i%d", id);
623 return tbuf;
624 }
625
626 #ifdef UAUDIO_DEBUG
627 Static void
628 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
629 {
630 static const char *channel_names[16] = {
631 "LEFT", "RIGHT", "CENTER", "LFE",
632 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
633 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
634 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
635 };
636 int cc, i, first;
637
638 cc = UGETW(cl->wChannelConfig);
639 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
640 cl->bNrChannels, cc);
641 first = TRUE;
642 for (i = 0; cc != 0; i++) {
643 if (cc & 1) {
644 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
645 first = FALSE;
646 }
647 cc = cc >> 1;
648 }
649 logprintf("> iChannelNames=%u", cl->iChannelNames);
650 }
651 #endif
652
653 Static struct usb_audio_cluster
654 uaudio_get_cluster(int id, const struct io_terminal *iot)
655 {
656 struct usb_audio_cluster r;
657 const usb_descriptor_t *dp;
658 int i;
659
660 for (i = 0; i < 25; i++) { /* avoid infinite loops */
661 dp = iot[id].d.desc;
662 if (dp == 0)
663 goto bad;
664 switch (dp->bDescriptorSubtype) {
665 case UDESCSUB_AC_INPUT:
666 r.bNrChannels = iot[id].d.it->bNrChannels;
667 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
668 r.iChannelNames = iot[id].d.it->iChannelNames;
669 return r;
670 case UDESCSUB_AC_OUTPUT:
671 id = iot[id].d.ot->bSourceId;
672 break;
673 case UDESCSUB_AC_MIXER:
674 r = *(const struct usb_audio_cluster *)
675 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
676 return r;
677 case UDESCSUB_AC_SELECTOR:
678 /* XXX This is not really right */
679 id = iot[id].d.su->baSourceId[0];
680 break;
681 case UDESCSUB_AC_FEATURE:
682 id = iot[id].d.fu->bSourceId;
683 break;
684 case UDESCSUB_AC_PROCESSING:
685 r = *(const struct usb_audio_cluster *)
686 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
687 return r;
688 case UDESCSUB_AC_EXTENSION:
689 r = *(const struct usb_audio_cluster *)
690 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
691 return r;
692 default:
693 goto bad;
694 }
695 }
696 bad:
697 printf("uaudio_get_cluster: bad data\n");
698 memset(&r, 0, sizeof r);
699 return r;
700
701 }
702
703 Static void
704 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
705 {
706 const struct usb_audio_input_terminal *d;
707
708 d = iot[id].d.it;
709 #ifdef UAUDIO_DEBUG
710 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
711 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
712 "iChannelNames=%d iTerminal=%d\n",
713 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
714 d->bNrChannels, UGETW(d->wChannelConfig),
715 d->iChannelNames, d->iTerminal));
716 #endif
717 /* If USB input terminal, record wChannelConfig */
718 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
719 return;
720 sc->sc_channel_config = UGETW(d->wChannelConfig);
721 }
722
723 Static void
724 uaudio_add_output(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
725 {
726 #ifdef UAUDIO_DEBUG
727 const struct usb_audio_output_terminal *d;
728
729 d = iot[id].d.ot;
730 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
731 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
732 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
733 d->bSourceId, d->iTerminal));
734 #endif
735 }
736
737 Static void
738 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
739 {
740 const struct usb_audio_mixer_unit *d;
741 const struct usb_audio_mixer_unit_1 *d1;
742 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
743 const uByte *bm;
744 struct mixerctl mix;
745
746 d = iot[id].d.mu;
747 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
748 d->bUnitId, d->bNrInPins));
749
750 /* Compute the number of input channels */
751 ichs = 0;
752 for (i = 0; i < d->bNrInPins; i++)
753 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
754
755 /* and the number of output channels */
756 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
757 ochs = d1->bNrChannels;
758 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
759
760 bm = d1->bmControls;
761 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
762 uaudio_determine_class(&iot[id], &mix);
763 mix.type = MIX_SIGNED_16;
764 mix.ctlunit = AudioNvolume;
765 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
766 for (p = i = 0; i < d->bNrInPins; i++) {
767 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
768 mc = 0;
769 for (c = 0; c < chs; c++) {
770 mo = 0;
771 for (o = 0; o < ochs; o++) {
772 bno = (p + c) * ochs + o;
773 if (_BIT(bno))
774 mo++;
775 }
776 if (mo == 1)
777 mc++;
778 }
779 if (mc == chs && chs <= MIX_MAX_CHAN) {
780 k = 0;
781 for (c = 0; c < chs; c++)
782 for (o = 0; o < ochs; o++) {
783 bno = (p + c) * ochs + o;
784 if (_BIT(bno))
785 mix.wValue[k++] =
786 MAKE(p+c+1, o+1);
787 }
788 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
789 d->bUnitId, uaudio_id_name(sc, iot,
790 d->baSourceId[i]));
791 mix.nchan = chs;
792 uaudio_mixer_add_ctl(sc, &mix);
793 } else {
794 /* XXX */
795 }
796 #undef _BIT
797 p += chs;
798 }
799
800 }
801
802 Static void
803 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
804 {
805 const struct usb_audio_selector_unit *d;
806 struct mixerctl mix;
807 int i, wp;
808
809 d = iot[id].d.su;
810 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
811 d->bUnitId, d->bNrInPins));
812 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
813 mix.wValue[0] = MAKE(0, 0);
814 uaudio_determine_class(&iot[id], &mix);
815 mix.nchan = 1;
816 mix.type = MIX_SELECTOR;
817 mix.ctlunit = "";
818 mix.minval = 1;
819 mix.maxval = d->bNrInPins;
820 mix.mul = mix.maxval - mix.minval;
821 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
822 for (i = 1; i <= d->bNrInPins; i++) {
823 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
824 "i%d", d->baSourceId[i - 1]);
825 if (wp > MAX_AUDIO_DEV_LEN - 1)
826 break;
827 }
828 uaudio_mixer_add_ctl(sc, &mix);
829 }
830
831 #ifdef UAUDIO_DEBUG
832 Static const char *
833 uaudio_get_terminal_name(int terminal_type)
834 {
835 static char tbuf[100];
836
837 switch (terminal_type) {
838 /* USB terminal types */
839 case UAT_UNDEFINED: return "UAT_UNDEFINED";
840 case UAT_STREAM: return "UAT_STREAM";
841 case UAT_VENDOR: return "UAT_VENDOR";
842 /* input terminal types */
843 case UATI_UNDEFINED: return "UATI_UNDEFINED";
844 case UATI_MICROPHONE: return "UATI_MICROPHONE";
845 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
846 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
847 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
848 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
849 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
850 /* output terminal types */
851 case UATO_UNDEFINED: return "UATO_UNDEFINED";
852 case UATO_SPEAKER: return "UATO_SPEAKER";
853 case UATO_HEADPHONES: return "UATO_HEADPHONES";
854 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
855 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
856 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
857 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
858 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
859 /* bidir terminal types */
860 case UATB_UNDEFINED: return "UATB_UNDEFINED";
861 case UATB_HANDSET: return "UATB_HANDSET";
862 case UATB_HEADSET: return "UATB_HEADSET";
863 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
864 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
865 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
866 /* telephony terminal types */
867 case UATT_UNDEFINED: return "UATT_UNDEFINED";
868 case UATT_PHONELINE: return "UATT_PHONELINE";
869 case UATT_TELEPHONE: return "UATT_TELEPHONE";
870 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
871 /* external terminal types */
872 case UATE_UNDEFINED: return "UATE_UNDEFINED";
873 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
874 case UATE_LINECONN: return "UATE_LINECONN";
875 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
876 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
877 case UATE_SPDIF: return "UATE_SPDIF";
878 case UATE_1394DA: return "UATE_1394DA";
879 case UATE_1394DV: return "UATE_1394DV";
880 /* embedded function terminal types */
881 case UATF_UNDEFINED: return "UATF_UNDEFINED";
882 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
883 case UATF_EQUNOISE: return "UATF_EQUNOISE";
884 case UATF_CDPLAYER: return "UATF_CDPLAYER";
885 case UATF_DAT: return "UATF_DAT";
886 case UATF_DCC: return "UATF_DCC";
887 case UATF_MINIDISK: return "UATF_MINIDISK";
888 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
889 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
890 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
891 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
892 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
893 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
894 case UATF_SATELLITE: return "UATF_SATELLITE";
895 case UATF_CABLETUNER: return "UATF_CABLETUNER";
896 case UATF_DSS: return "UATF_DSS";
897 case UATF_RADIORECV: return "UATF_RADIORECV";
898 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
899 case UATF_MULTITRACK: return "UATF_MULTITRACK";
900 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
901 default:
902 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
903 return tbuf;
904 }
905 }
906 #endif
907
908 Static int
909 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
910 {
911 int terminal_type;
912
913 if (iot == NULL || iot->output == NULL) {
914 mix->class = UAC_OUTPUT;
915 return 0;
916 }
917 terminal_type = 0;
918 if (iot->output->size == 1)
919 terminal_type = iot->output->terminals[0];
920 /*
921 * If the only output terminal is USB,
922 * the class is UAC_RECORD.
923 */
924 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
925 mix->class = UAC_RECORD;
926 if (iot->inputs_size == 1
927 && iot->inputs[0] != NULL
928 && iot->inputs[0]->size == 1)
929 return iot->inputs[0]->terminals[0];
930 else
931 return 0;
932 }
933 /*
934 * If the ultimate destination of the unit is just one output
935 * terminal and the unit is connected to the output terminal
936 * directly, the class is UAC_OUTPUT.
937 */
938 if (terminal_type != 0 && iot->direct) {
939 mix->class = UAC_OUTPUT;
940 return terminal_type;
941 }
942 /*
943 * If the unit is connected to just one input terminal,
944 * the class is UAC_INPUT.
945 */
946 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
947 && iot->inputs[0]->size == 1) {
948 mix->class = UAC_INPUT;
949 return iot->inputs[0]->terminals[0];
950 }
951 /*
952 * Otherwise, the class is UAC_OUTPUT.
953 */
954 mix->class = UAC_OUTPUT;
955 return terminal_type;
956 }
957
958 Static const char *
959 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
960 {
961 int terminal_type;
962
963 terminal_type = uaudio_determine_class(iot, mix);
964 if (mix->class == UAC_RECORD && terminal_type == 0)
965 return AudioNmixerout;
966 DPRINTF(("%s: terminal_type=%s\n", __func__,
967 uaudio_get_terminal_name(terminal_type)));
968 switch (terminal_type) {
969 case UAT_STREAM:
970 return AudioNdac;
971
972 case UATI_MICROPHONE:
973 case UATI_DESKMICROPHONE:
974 case UATI_PERSONALMICROPHONE:
975 case UATI_OMNIMICROPHONE:
976 case UATI_MICROPHONEARRAY:
977 case UATI_PROCMICROPHONEARR:
978 return AudioNmicrophone;
979
980 case UATO_SPEAKER:
981 case UATO_DESKTOPSPEAKER:
982 case UATO_ROOMSPEAKER:
983 case UATO_COMMSPEAKER:
984 return AudioNspeaker;
985
986 case UATO_HEADPHONES:
987 return AudioNheadphone;
988
989 case UATO_SUBWOOFER:
990 return AudioNlfe;
991
992 /* telephony terminal types */
993 case UATT_UNDEFINED:
994 case UATT_PHONELINE:
995 case UATT_TELEPHONE:
996 case UATT_DOWNLINEPHONE:
997 return "phone";
998
999 case UATE_ANALOGCONN:
1000 case UATE_LINECONN:
1001 case UATE_LEGACYCONN:
1002 return AudioNline;
1003
1004 case UATE_DIGITALAUIFC:
1005 case UATE_SPDIF:
1006 case UATE_1394DA:
1007 case UATE_1394DV:
1008 return AudioNaux;
1009
1010 case UATF_CDPLAYER:
1011 return AudioNcd;
1012
1013 case UATF_SYNTHESIZER:
1014 return AudioNfmsynth;
1015
1016 case UATF_VIDEODISCAUDIO:
1017 case UATF_DVDAUDIO:
1018 case UATF_TVTUNERAUDIO:
1019 return AudioNvideo;
1020
1021 case UAT_UNDEFINED:
1022 case UAT_VENDOR:
1023 case UATI_UNDEFINED:
1024 /* output terminal types */
1025 case UATO_UNDEFINED:
1026 case UATO_DISPLAYAUDIO:
1027 /* bidir terminal types */
1028 case UATB_UNDEFINED:
1029 case UATB_HANDSET:
1030 case UATB_HEADSET:
1031 case UATB_SPEAKERPHONE:
1032 case UATB_SPEAKERPHONEESUP:
1033 case UATB_SPEAKERPHONEECANC:
1034 /* external terminal types */
1035 case UATE_UNDEFINED:
1036 /* embedded function terminal types */
1037 case UATF_UNDEFINED:
1038 case UATF_CALIBNOISE:
1039 case UATF_EQUNOISE:
1040 case UATF_DAT:
1041 case UATF_DCC:
1042 case UATF_MINIDISK:
1043 case UATF_ANALOGTAPE:
1044 case UATF_PHONOGRAPH:
1045 case UATF_VCRAUDIO:
1046 case UATF_SATELLITE:
1047 case UATF_CABLETUNER:
1048 case UATF_DSS:
1049 case UATF_RADIORECV:
1050 case UATF_RADIOXMIT:
1051 case UATF_MULTITRACK:
1052 case 0xffff:
1053 default:
1054 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1055 return AudioNmaster;
1056 }
1057 return AudioNmaster;
1058 }
1059
1060 Static void
1061 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1062 {
1063 const struct usb_audio_feature_unit *d;
1064 const uByte *ctls;
1065 int ctlsize;
1066 int nchan;
1067 u_int fumask, mmask, cmask;
1068 struct mixerctl mix;
1069 int chan, ctl, i, unit;
1070 const char *mixername;
1071
1072 #define GET(i) (ctls[(i)*ctlsize] | \
1073 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1074 d = iot[id].d.fu;
1075 ctls = d->bmaControls;
1076 ctlsize = d->bControlSize;
1077 nchan = (d->bLength - 7) / ctlsize;
1078 mmask = GET(0);
1079 /* Figure out what we can control */
1080 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1081 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1082 chan, GET(chan)));
1083 cmask |= GET(chan);
1084 }
1085
1086 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1087 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1088 d->bUnitId, nchan, mmask, cmask));
1089
1090 if (nchan > MIX_MAX_CHAN)
1091 nchan = MIX_MAX_CHAN;
1092 unit = d->bUnitId;
1093 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1094 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1095 fumask = FU_MASK(ctl);
1096 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1097 ctl, fumask));
1098 if (mmask & fumask) {
1099 mix.nchan = 1;
1100 mix.wValue[0] = MAKE(ctl, 0);
1101 } else if (cmask & fumask) {
1102 mix.nchan = nchan - 1;
1103 for (i = 1; i < nchan; i++) {
1104 if (GET(i) & fumask)
1105 mix.wValue[i-1] = MAKE(ctl, i);
1106 else
1107 mix.wValue[i-1] = -1;
1108 }
1109 } else {
1110 continue;
1111 }
1112 #undef GET
1113 mixername = uaudio_feature_name(&iot[id], &mix);
1114 switch (ctl) {
1115 case MUTE_CONTROL:
1116 mix.type = MIX_ON_OFF;
1117 mix.ctlunit = "";
1118 snprintf(mix.ctlname, sizeof(mix.ctlname),
1119 "%s.%s", mixername, AudioNmute);
1120 break;
1121 case VOLUME_CONTROL:
1122 mix.type = MIX_SIGNED_16;
1123 mix.ctlunit = AudioNvolume;
1124 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1125 break;
1126 case BASS_CONTROL:
1127 mix.type = MIX_SIGNED_8;
1128 mix.ctlunit = AudioNbass;
1129 snprintf(mix.ctlname, sizeof(mix.ctlname),
1130 "%s.%s", mixername, AudioNbass);
1131 break;
1132 case MID_CONTROL:
1133 mix.type = MIX_SIGNED_8;
1134 mix.ctlunit = AudioNmid;
1135 snprintf(mix.ctlname, sizeof(mix.ctlname),
1136 "%s.%s", mixername, AudioNmid);
1137 break;
1138 case TREBLE_CONTROL:
1139 mix.type = MIX_SIGNED_8;
1140 mix.ctlunit = AudioNtreble;
1141 snprintf(mix.ctlname, sizeof(mix.ctlname),
1142 "%s.%s", mixername, AudioNtreble);
1143 break;
1144 case GRAPHIC_EQUALIZER_CONTROL:
1145 continue; /* XXX don't add anything */
1146 break;
1147 case AGC_CONTROL:
1148 mix.type = MIX_ON_OFF;
1149 mix.ctlunit = "";
1150 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1151 mixername, AudioNagc);
1152 break;
1153 case DELAY_CONTROL:
1154 mix.type = MIX_UNSIGNED_16;
1155 mix.ctlunit = "4 ms";
1156 snprintf(mix.ctlname, sizeof(mix.ctlname),
1157 "%s.%s", mixername, AudioNdelay);
1158 break;
1159 case BASS_BOOST_CONTROL:
1160 mix.type = MIX_ON_OFF;
1161 mix.ctlunit = "";
1162 snprintf(mix.ctlname, sizeof(mix.ctlname),
1163 "%s.%s", mixername, AudioNbassboost);
1164 break;
1165 case LOUDNESS_CONTROL:
1166 mix.type = MIX_ON_OFF;
1167 mix.ctlunit = "";
1168 snprintf(mix.ctlname, sizeof(mix.ctlname),
1169 "%s.%s", mixername, AudioNloudness);
1170 break;
1171 }
1172 uaudio_mixer_add_ctl(sc, &mix);
1173 }
1174 }
1175
1176 Static void
1177 uaudio_add_processing_updown(struct uaudio_softc *sc,
1178 const struct io_terminal *iot, int id)
1179 {
1180 const struct usb_audio_processing_unit *d;
1181 const struct usb_audio_processing_unit_1 *d1;
1182 const struct usb_audio_processing_unit_updown *ud;
1183 struct mixerctl mix;
1184 int i;
1185
1186 d = iot[id].d.pu;
1187 d1 = (const struct usb_audio_processing_unit_1 *)
1188 &d->baSourceId[d->bNrInPins];
1189 ud = (const struct usb_audio_processing_unit_updown *)
1190 &d1->bmControls[d1->bControlSize];
1191 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1192 d->bUnitId, ud->bNrModes));
1193
1194 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1195 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1196 return;
1197 }
1198
1199 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1200 mix.nchan = 1;
1201 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1202 uaudio_determine_class(&iot[id], &mix);
1203 mix.type = MIX_ON_OFF; /* XXX */
1204 mix.ctlunit = "";
1205 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1206
1207 for (i = 0; i < ud->bNrModes; i++) {
1208 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1209 i, UGETW(ud->waModes[i])));
1210 /* XXX */
1211 }
1212 uaudio_mixer_add_ctl(sc, &mix);
1213 }
1214
1215 Static void
1216 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1217 {
1218 const struct usb_audio_processing_unit *d;
1219 const struct usb_audio_processing_unit_1 *d1;
1220 int ptype;
1221 struct mixerctl mix;
1222
1223 d = iot[id].d.pu;
1224 d1 = (const struct usb_audio_processing_unit_1 *)
1225 &d->baSourceId[d->bNrInPins];
1226 ptype = UGETW(d->wProcessType);
1227 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1228 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1229
1230 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1231 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1232 mix.nchan = 1;
1233 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1234 uaudio_determine_class(&iot[id], &mix);
1235 mix.type = MIX_ON_OFF;
1236 mix.ctlunit = "";
1237 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1238 d->bUnitId, ptype);
1239 uaudio_mixer_add_ctl(sc, &mix);
1240 }
1241
1242 switch(ptype) {
1243 case UPDOWNMIX_PROCESS:
1244 uaudio_add_processing_updown(sc, iot, id);
1245 break;
1246 case DOLBY_PROLOGIC_PROCESS:
1247 case P3D_STEREO_EXTENDER_PROCESS:
1248 case REVERBATION_PROCESS:
1249 case CHORUS_PROCESS:
1250 case DYN_RANGE_COMP_PROCESS:
1251 default:
1252 #ifdef UAUDIO_DEBUG
1253 printf("uaudio_add_processing: unit %d, type=%d not impl.\n",
1254 d->bUnitId, ptype);
1255 #endif
1256 break;
1257 }
1258 }
1259
1260 Static void
1261 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1262 {
1263 const struct usb_audio_extension_unit *d;
1264 const struct usb_audio_extension_unit_1 *d1;
1265 struct mixerctl mix;
1266
1267 d = iot[id].d.eu;
1268 d1 = (const struct usb_audio_extension_unit_1 *)
1269 &d->baSourceId[d->bNrInPins];
1270 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1271 d->bUnitId, d->bNrInPins));
1272
1273 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1274 return;
1275
1276 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1277 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1278 mix.nchan = 1;
1279 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1280 uaudio_determine_class(&iot[id], &mix);
1281 mix.type = MIX_ON_OFF;
1282 mix.ctlunit = "";
1283 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1284 d->bUnitId);
1285 uaudio_mixer_add_ctl(sc, &mix);
1286 }
1287 }
1288
1289 Static struct terminal_list*
1290 uaudio_merge_terminal_list(const struct io_terminal *iot)
1291 {
1292 struct terminal_list *tml;
1293 uint16_t *ptm;
1294 int i, len;
1295
1296 len = 0;
1297 if (iot->inputs == NULL)
1298 return NULL;
1299 for (i = 0; i < iot->inputs_size; i++) {
1300 if (iot->inputs[i] != NULL)
1301 len += iot->inputs[i]->size;
1302 }
1303 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1304 if (tml == NULL) {
1305 printf("uaudio_merge_terminal_list: no memory\n");
1306 return NULL;
1307 }
1308 tml->size = 0;
1309 ptm = tml->terminals;
1310 for (i = 0; i < iot->inputs_size; i++) {
1311 if (iot->inputs[i] == NULL)
1312 continue;
1313 if (iot->inputs[i]->size > len)
1314 break;
1315 memcpy(ptm, iot->inputs[i]->terminals,
1316 iot->inputs[i]->size * sizeof(uint16_t));
1317 tml->size += iot->inputs[i]->size;
1318 ptm += iot->inputs[i]->size;
1319 len -= iot->inputs[i]->size;
1320 }
1321 return tml;
1322 }
1323
1324 Static struct terminal_list *
1325 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1326 {
1327 struct terminal_list *tml;
1328 struct io_terminal *it;
1329 int src_id, i;
1330
1331 it = &iot[id];
1332 if (it->output != NULL) {
1333 /* already has outtype? */
1334 for (i = 0; i < it->output->size; i++)
1335 if (it->output->terminals[i] == outtype)
1336 return uaudio_merge_terminal_list(it);
1337 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1338 M_TEMP, M_NOWAIT);
1339 if (tml == NULL) {
1340 printf("uaudio_io_terminaltype: no memory\n");
1341 return uaudio_merge_terminal_list(it);
1342 }
1343 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1344 tml->terminals[it->output->size] = outtype;
1345 tml->size++;
1346 free(it->output, M_TEMP);
1347 it->output = tml;
1348 if (it->inputs != NULL) {
1349 for (i = 0; i < it->inputs_size; i++)
1350 if (it->inputs[i] != NULL)
1351 free(it->inputs[i], M_TEMP);
1352 free(it->inputs, M_TEMP);
1353 }
1354 it->inputs_size = 0;
1355 it->inputs = NULL;
1356 } else { /* end `iot[id] != NULL' */
1357 it->inputs_size = 0;
1358 it->inputs = NULL;
1359 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1360 if (it->output == NULL) {
1361 printf("uaudio_io_terminaltype: no memory\n");
1362 return NULL;
1363 }
1364 it->output->terminals[0] = outtype;
1365 it->output->size = 1;
1366 it->direct = FALSE;
1367 }
1368
1369 switch (it->d.desc->bDescriptorSubtype) {
1370 case UDESCSUB_AC_INPUT:
1371 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1372 if (it->inputs == NULL) {
1373 printf("uaudio_io_terminaltype: no memory\n");
1374 return NULL;
1375 }
1376 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1377 if (tml == NULL) {
1378 printf("uaudio_io_terminaltype: no memory\n");
1379 free(it->inputs, M_TEMP);
1380 it->inputs = NULL;
1381 return NULL;
1382 }
1383 it->inputs[0] = tml;
1384 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1385 tml->size = 1;
1386 it->inputs_size = 1;
1387 return uaudio_merge_terminal_list(it);
1388 case UDESCSUB_AC_FEATURE:
1389 src_id = it->d.fu->bSourceId;
1390 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1391 if (it->inputs == NULL) {
1392 printf("uaudio_io_terminaltype: no memory\n");
1393 return uaudio_io_terminaltype(outtype, iot, src_id);
1394 }
1395 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1396 it->inputs_size = 1;
1397 return uaudio_merge_terminal_list(it);
1398 case UDESCSUB_AC_OUTPUT:
1399 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1400 if (it->inputs == NULL) {
1401 printf("uaudio_io_terminaltype: no memory\n");
1402 return NULL;
1403 }
1404 src_id = it->d.ot->bSourceId;
1405 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1406 it->inputs_size = 1;
1407 iot[src_id].direct = TRUE;
1408 return NULL;
1409 case UDESCSUB_AC_MIXER:
1410 it->inputs_size = 0;
1411 it->inputs = malloc(sizeof(struct terminal_list *)
1412 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1413 if (it->inputs == NULL) {
1414 printf("uaudio_io_terminaltype: no memory\n");
1415 return NULL;
1416 }
1417 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1418 src_id = it->d.mu->baSourceId[i];
1419 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1420 src_id);
1421 it->inputs_size++;
1422 }
1423 return uaudio_merge_terminal_list(it);
1424 case UDESCSUB_AC_SELECTOR:
1425 it->inputs_size = 0;
1426 it->inputs = malloc(sizeof(struct terminal_list *)
1427 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1428 if (it->inputs == NULL) {
1429 printf("uaudio_io_terminaltype: no memory\n");
1430 return NULL;
1431 }
1432 for (i = 0; i < it->d.su->bNrInPins; i++) {
1433 src_id = it->d.su->baSourceId[i];
1434 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1435 src_id);
1436 it->inputs_size++;
1437 }
1438 return uaudio_merge_terminal_list(it);
1439 case UDESCSUB_AC_PROCESSING:
1440 it->inputs_size = 0;
1441 it->inputs = malloc(sizeof(struct terminal_list *)
1442 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1443 if (it->inputs == NULL) {
1444 printf("uaudio_io_terminaltype: no memory\n");
1445 return NULL;
1446 }
1447 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1448 src_id = it->d.pu->baSourceId[i];
1449 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1450 src_id);
1451 it->inputs_size++;
1452 }
1453 return uaudio_merge_terminal_list(it);
1454 case UDESCSUB_AC_EXTENSION:
1455 it->inputs_size = 0;
1456 it->inputs = malloc(sizeof(struct terminal_list *)
1457 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1458 if (it->inputs == NULL) {
1459 printf("uaudio_io_terminaltype: no memory\n");
1460 return NULL;
1461 }
1462 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1463 src_id = it->d.eu->baSourceId[i];
1464 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1465 src_id);
1466 it->inputs_size++;
1467 }
1468 return uaudio_merge_terminal_list(it);
1469 case UDESCSUB_AC_HEADER:
1470 default:
1471 return NULL;
1472 }
1473 }
1474
1475 Static usbd_status
1476 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1477 {
1478 usbd_status err;
1479
1480 err = uaudio_identify_ac(sc, cdesc);
1481 if (err)
1482 return err;
1483 return uaudio_identify_as(sc, cdesc);
1484 }
1485
1486 Static void
1487 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1488 {
1489 size_t len;
1490 struct as_info *nai;
1491
1492 len = sizeof(*ai) * (sc->sc_nalts + 1);
1493 nai = malloc(len, M_USBDEV, M_NOWAIT);
1494 if (nai == NULL) {
1495 printf("uaudio_add_alt: no memory\n");
1496 return;
1497 }
1498 /* Copy old data, if there was any */
1499 if (sc->sc_nalts != 0) {
1500 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1501 free(sc->sc_alts, M_USBDEV);
1502 }
1503 sc->sc_alts = nai;
1504 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1505 ai->alt, ai->encoding));
1506 sc->sc_alts[sc->sc_nalts++] = *ai;
1507 }
1508
1509 Static usbd_status
1510 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1511 int size, const usb_interface_descriptor_t *id)
1512 #define offs (*offsp)
1513 {
1514 const struct usb_audio_streaming_interface_descriptor *asid;
1515 const struct usb_audio_streaming_type1_descriptor *asf1d;
1516 const usb_endpoint_descriptor_audio_t *ed;
1517 const usb_endpoint_descriptor_audio_t *epdesc1;
1518 const struct usb_audio_streaming_endpoint_descriptor *sed;
1519 int format, chan, prec, enc;
1520 int dir, type, sync;
1521 struct as_info ai;
1522 const char *format_str;
1523
1524 asid = (const void *)(tbuf + offs);
1525 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1526 asid->bDescriptorSubtype != AS_GENERAL)
1527 return USBD_INVAL;
1528 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1529 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1530 offs += asid->bLength;
1531 if (offs > size)
1532 return USBD_INVAL;
1533
1534 asf1d = (const void *)(tbuf + offs);
1535 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1536 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1537 return USBD_INVAL;
1538 offs += asf1d->bLength;
1539 if (offs > size)
1540 return USBD_INVAL;
1541
1542 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1543 printf("%s: ignored setting with type %d format\n",
1544 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag));
1545 return USBD_NORMAL_COMPLETION;
1546 }
1547
1548 ed = (const void *)(tbuf + offs);
1549 if (ed->bDescriptorType != UDESC_ENDPOINT)
1550 return USBD_INVAL;
1551 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1552 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1553 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1554 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1555 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1556 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1557 offs += ed->bLength;
1558 if (offs > size)
1559 return USBD_INVAL;
1560 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1561 return USBD_INVAL;
1562
1563 dir = UE_GET_DIR(ed->bEndpointAddress);
1564 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1565 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1566 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1567 type = UE_ISO_ASYNC;
1568
1569 /* We can't handle endpoints that need a sync pipe yet. */
1570 sync = FALSE;
1571 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1572 sync = TRUE;
1573 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1574 printf("%s: ignored input endpoint of type adaptive\n",
1575 USBDEVNAME(sc->sc_dev));
1576 return USBD_NORMAL_COMPLETION;
1577 #endif
1578 }
1579 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1580 sync = TRUE;
1581 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1582 printf("%s: ignored output endpoint of type async\n",
1583 USBDEVNAME(sc->sc_dev));
1584 return USBD_NORMAL_COMPLETION;
1585 #endif
1586 }
1587
1588 sed = (const void *)(tbuf + offs);
1589 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1590 sed->bDescriptorSubtype != AS_GENERAL)
1591 return USBD_INVAL;
1592 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1593 offs += sed->bLength;
1594 if (offs > size)
1595 return USBD_INVAL;
1596
1597 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1598 if (sync && id->bNumEndpoints <= 1) {
1599 printf("%s: a sync-pipe endpoint but no other endpoint\n",
1600 USBDEVNAME(sc->sc_dev));
1601 return USBD_INVAL;
1602 }
1603 #endif
1604 if (!sync && id->bNumEndpoints > 1) {
1605 printf("%s: non sync-pipe endpoint but multiple endpoints\n",
1606 USBDEVNAME(sc->sc_dev));
1607 return USBD_INVAL;
1608 }
1609 epdesc1 = NULL;
1610 if (id->bNumEndpoints > 1) {
1611 epdesc1 = (const void*)(tbuf + offs);
1612 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1613 return USBD_INVAL;
1614 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1615 "bDescriptorType=%d bEndpointAddress=%d "
1616 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1617 "bRefresh=%d bSynchAddress=%d\n",
1618 epdesc1->bLength, epdesc1->bDescriptorType,
1619 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1620 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1621 epdesc1->bRefresh, epdesc1->bSynchAddress));
1622 offs += epdesc1->bLength;
1623 if (offs > size)
1624 return USBD_INVAL;
1625 if (epdesc1->bSynchAddress != 0) {
1626 printf("%s: invalid endpoint: bSynchAddress=0\n",
1627 USBDEVNAME(sc->sc_dev));
1628 return USBD_INVAL;
1629 }
1630 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1631 printf("%s: invalid endpoint: bmAttributes=0x%x\n",
1632 USBDEVNAME(sc->sc_dev), epdesc1->bmAttributes);
1633 return USBD_INVAL;
1634 }
1635 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1636 printf("%s: invalid endpoint addresses: "
1637 "ep[0]->bSynchAddress=0x%x "
1638 "ep[1]->bEndpointAddress=0x%x\n",
1639 USBDEVNAME(sc->sc_dev), ed->bSynchAddress,
1640 epdesc1->bEndpointAddress);
1641 return USBD_INVAL;
1642 }
1643 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1644 }
1645
1646 format = UGETW(asid->wFormatTag);
1647 chan = asf1d->bNrChannels;
1648 prec = asf1d->bBitResolution;
1649 if (prec != 8 && prec != 16 && prec != 24) {
1650 printf("%s: ignored setting with precision %d\n",
1651 USBDEVNAME(sc->sc_dev), prec);
1652 return USBD_NORMAL_COMPLETION;
1653 }
1654 switch (format) {
1655 case UA_FMT_PCM:
1656 if (prec == 8) {
1657 sc->sc_altflags |= HAS_8;
1658 } else if (prec == 16) {
1659 sc->sc_altflags |= HAS_16;
1660 } else if (prec == 24) {
1661 sc->sc_altflags |= HAS_24;
1662 }
1663 enc = AUDIO_ENCODING_SLINEAR_LE;
1664 format_str = "pcm";
1665 break;
1666 case UA_FMT_PCM8:
1667 enc = AUDIO_ENCODING_ULINEAR_LE;
1668 sc->sc_altflags |= HAS_8U;
1669 format_str = "pcm8";
1670 break;
1671 case UA_FMT_ALAW:
1672 enc = AUDIO_ENCODING_ALAW;
1673 sc->sc_altflags |= HAS_ALAW;
1674 format_str = "alaw";
1675 break;
1676 case UA_FMT_MULAW:
1677 enc = AUDIO_ENCODING_ULAW;
1678 sc->sc_altflags |= HAS_MULAW;
1679 format_str = "mulaw";
1680 break;
1681 case UA_FMT_IEEE_FLOAT:
1682 default:
1683 printf("%s: ignored setting with format %d\n",
1684 USBDEVNAME(sc->sc_dev), format);
1685 return USBD_NORMAL_COMPLETION;
1686 }
1687 #ifdef UAUDIO_DEBUG
1688 printf("%s: %s: %dch, %d/%dbit, %s,", USBDEVNAME(sc->sc_dev),
1689 dir == UE_DIR_IN ? "recording" : "playback",
1690 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1691 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1692 printf(" %d-%dHz\n", UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d));
1693 } else {
1694 int r;
1695 printf(" %d", UA_GETSAMP(asf1d, 0));
1696 for (r = 1; r < asf1d->bSamFreqType; r++)
1697 printf(",%d", UA_GETSAMP(asf1d, r));
1698 printf("Hz\n");
1699 }
1700 #endif
1701 ai.alt = id->bAlternateSetting;
1702 ai.encoding = enc;
1703 ai.attributes = sed->bmAttributes;
1704 ai.idesc = id;
1705 ai.edesc = ed;
1706 ai.edesc1 = epdesc1;
1707 ai.asf1desc = asf1d;
1708 ai.sc_busy = 0;
1709 ai.aformat = NULL;
1710 ai.ifaceh = NULL;
1711 uaudio_add_alt(sc, &ai);
1712 #ifdef UAUDIO_DEBUG
1713 if (ai.attributes & UA_SED_FREQ_CONTROL)
1714 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1715 if (ai.attributes & UA_SED_PITCH_CONTROL)
1716 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1717 #endif
1718 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1719
1720 return USBD_NORMAL_COMPLETION;
1721 }
1722 #undef offs
1723
1724 Static usbd_status
1725 uaudio_identify_as(struct uaudio_softc *sc,
1726 const usb_config_descriptor_t *cdesc)
1727 {
1728 const usb_interface_descriptor_t *id;
1729 const char *tbuf;
1730 struct audio_format *auf;
1731 const struct usb_audio_streaming_type1_descriptor *t1desc;
1732 int size, offs;
1733 int i, j;
1734
1735 size = UGETW(cdesc->wTotalLength);
1736 tbuf = (const char *)cdesc;
1737
1738 /* Locate the AudioStreaming interface descriptor. */
1739 offs = 0;
1740 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1741 if (id == NULL)
1742 return USBD_INVAL;
1743
1744 /* Loop through all the alternate settings. */
1745 while (offs <= size) {
1746 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1747 id->bInterfaceNumber, offs));
1748 switch (id->bNumEndpoints) {
1749 case 0:
1750 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1751 id->bAlternateSetting));
1752 sc->sc_nullalt = id->bAlternateSetting;
1753 break;
1754 case 1:
1755 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1756 case 2:
1757 #endif
1758 uaudio_process_as(sc, tbuf, &offs, size, id);
1759 break;
1760 default:
1761 printf("%s: ignored audio interface with %d "
1762 "endpoints\n",
1763 USBDEVNAME(sc->sc_dev), id->bNumEndpoints);
1764 break;
1765 }
1766 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1767 if (id == NULL)
1768 break;
1769 }
1770 if (offs > size)
1771 return USBD_INVAL;
1772 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1773
1774 if (sc->sc_mode == 0) {
1775 printf("%s: no usable endpoint found\n",
1776 USBDEVNAME(sc->sc_dev));
1777 return USBD_INVAL;
1778 }
1779
1780 /* build audio_format array */
1781 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1782 M_USBDEV, M_NOWAIT);
1783 if (sc->sc_formats == NULL)
1784 return USBD_NOMEM;
1785 sc->sc_nformats = sc->sc_nalts;
1786 for (i = 0; i < sc->sc_nalts; i++) {
1787 auf = &sc->sc_formats[i];
1788 t1desc = sc->sc_alts[i].asf1desc;
1789 auf->driver_data = NULL;
1790 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1791 auf->mode = AUMODE_PLAY;
1792 else
1793 auf->mode = AUMODE_RECORD;
1794 auf->encoding = sc->sc_alts[i].encoding;
1795 auf->validbits = t1desc->bBitResolution;
1796 auf->precision = t1desc->bSubFrameSize * 8;
1797 auf->channels = t1desc->bNrChannels;
1798 auf->channel_mask = sc->sc_channel_config;
1799 auf->frequency_type = t1desc->bSamFreqType;
1800 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1801 auf->frequency[0] = UA_SAMP_LO(t1desc);
1802 auf->frequency[1] = UA_SAMP_HI(t1desc);
1803 } else {
1804 for (j = 0; j < t1desc->bSamFreqType; j++) {
1805 if (j >= AUFMT_MAX_FREQUENCIES) {
1806 printf("%s: please increase "
1807 "AUFMT_MAX_FREQUENCIES to %d\n",
1808 __func__, t1desc->bSamFreqType);
1809 break;
1810 }
1811 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1812 }
1813 }
1814 sc->sc_alts[i].aformat = auf;
1815 }
1816
1817 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1818 &sc->sc_encodings)) {
1819 free(sc->sc_formats, M_DEVBUF);
1820 sc->sc_formats = NULL;
1821 return ENOMEM;
1822 }
1823
1824 return USBD_NORMAL_COMPLETION;
1825 }
1826
1827 Static usbd_status
1828 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1829 {
1830 struct io_terminal* iot;
1831 const usb_interface_descriptor_t *id;
1832 const struct usb_audio_control_descriptor *acdp;
1833 const usb_descriptor_t *dp;
1834 const struct usb_audio_output_terminal *pot;
1835 struct terminal_list *tml;
1836 const char *tbuf, *ibuf, *ibufend;
1837 int size, offs, aclen, ndps, i, j;
1838
1839 size = UGETW(cdesc->wTotalLength);
1840 tbuf = (const char *)cdesc;
1841
1842 /* Locate the AudioControl interface descriptor. */
1843 offs = 0;
1844 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1845 if (id == NULL)
1846 return USBD_INVAL;
1847 if (offs + sizeof *acdp > size)
1848 return USBD_INVAL;
1849 sc->sc_ac_iface = id->bInterfaceNumber;
1850 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1851
1852 /* A class-specific AC interface header should follow. */
1853 ibuf = tbuf + offs;
1854 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1855 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1856 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1857 return USBD_INVAL;
1858 aclen = UGETW(acdp->wTotalLength);
1859 if (offs + aclen > size)
1860 return USBD_INVAL;
1861
1862 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1863 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1864 return USBD_INVAL;
1865
1866 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1867 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1868 sc->sc_audio_rev, aclen));
1869
1870 sc->sc_nullalt = -1;
1871
1872 /* Scan through all the AC specific descriptors */
1873 ibufend = ibuf + aclen;
1874 dp = (const usb_descriptor_t *)ibuf;
1875 ndps = 0;
1876 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1877 if (iot == NULL) {
1878 printf("%s: no memory\n", __func__);
1879 return USBD_NOMEM;
1880 }
1881 for (;;) {
1882 ibuf += dp->bLength;
1883 if (ibuf >= ibufend)
1884 break;
1885 dp = (const usb_descriptor_t *)ibuf;
1886 if (ibuf + dp->bLength > ibufend) {
1887 free(iot, M_TEMP);
1888 return USBD_INVAL;
1889 }
1890 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1891 printf("uaudio_identify_ac: skip desc type=0x%02x\n",
1892 dp->bDescriptorType);
1893 continue;
1894 }
1895 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1896 iot[i].d.desc = dp;
1897 if (i > ndps)
1898 ndps = i;
1899 }
1900 ndps++;
1901
1902 /* construct io_terminal */
1903 for (i = 0; i < ndps; i++) {
1904 dp = iot[i].d.desc;
1905 if (dp == NULL)
1906 continue;
1907 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1908 continue;
1909 pot = iot[i].d.ot;
1910 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1911 if (tml != NULL)
1912 free(tml, M_TEMP);
1913 }
1914
1915 #ifdef UAUDIO_DEBUG
1916 for (i = 0; i < 256; i++) {
1917 struct usb_audio_cluster cluster;
1918
1919 if (iot[i].d.desc == NULL)
1920 continue;
1921 logprintf("id %d:\t", i);
1922 switch (iot[i].d.desc->bDescriptorSubtype) {
1923 case UDESCSUB_AC_INPUT:
1924 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1925 (UGETW(iot[i].d.it->wTerminalType)));
1926 logprintf("\t");
1927 cluster = uaudio_get_cluster(i, iot);
1928 uaudio_dump_cluster(&cluster);
1929 logprintf("\n");
1930 break;
1931 case UDESCSUB_AC_OUTPUT:
1932 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1933 (UGETW(iot[i].d.ot->wTerminalType)));
1934 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1935 break;
1936 case UDESCSUB_AC_MIXER:
1937 logprintf("AC_MIXER src=");
1938 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1939 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1940 logprintf("\n\t");
1941 cluster = uaudio_get_cluster(i, iot);
1942 uaudio_dump_cluster(&cluster);
1943 logprintf("\n");
1944 break;
1945 case UDESCSUB_AC_SELECTOR:
1946 logprintf("AC_SELECTOR src=");
1947 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1948 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1949 logprintf("\n");
1950 break;
1951 case UDESCSUB_AC_FEATURE:
1952 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1953 break;
1954 case UDESCSUB_AC_PROCESSING:
1955 logprintf("AC_PROCESSING src=");
1956 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1957 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1958 logprintf("\n\t");
1959 cluster = uaudio_get_cluster(i, iot);
1960 uaudio_dump_cluster(&cluster);
1961 logprintf("\n");
1962 break;
1963 case UDESCSUB_AC_EXTENSION:
1964 logprintf("AC_EXTENSION src=");
1965 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1966 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1967 logprintf("\n\t");
1968 cluster = uaudio_get_cluster(i, iot);
1969 uaudio_dump_cluster(&cluster);
1970 logprintf("\n");
1971 break;
1972 default:
1973 logprintf("unknown audio control (subtype=%d)\n",
1974 iot[i].d.desc->bDescriptorSubtype);
1975 }
1976 for (j = 0; j < iot[i].inputs_size; j++) {
1977 int k;
1978 logprintf("\tinput%d: ", j);
1979 tml = iot[i].inputs[j];
1980 if (tml == NULL) {
1981 logprintf("NULL\n");
1982 continue;
1983 }
1984 for (k = 0; k < tml->size; k++)
1985 logprintf("%s ", uaudio_get_terminal_name
1986 (tml->terminals[k]));
1987 logprintf("\n");
1988 }
1989 logprintf("\toutput: ");
1990 tml = iot[i].output;
1991 for (j = 0; j < tml->size; j++)
1992 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
1993 logprintf("\n");
1994 }
1995 #endif
1996
1997 for (i = 0; i < ndps; i++) {
1998 dp = iot[i].d.desc;
1999 if (dp == NULL)
2000 continue;
2001 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
2002 i, dp->bDescriptorSubtype));
2003 switch (dp->bDescriptorSubtype) {
2004 case UDESCSUB_AC_HEADER:
2005 printf("uaudio_identify_ac: unexpected AC header\n");
2006 break;
2007 case UDESCSUB_AC_INPUT:
2008 uaudio_add_input(sc, iot, i);
2009 break;
2010 case UDESCSUB_AC_OUTPUT:
2011 uaudio_add_output(sc, iot, i);
2012 break;
2013 case UDESCSUB_AC_MIXER:
2014 uaudio_add_mixer(sc, iot, i);
2015 break;
2016 case UDESCSUB_AC_SELECTOR:
2017 uaudio_add_selector(sc, iot, i);
2018 break;
2019 case UDESCSUB_AC_FEATURE:
2020 uaudio_add_feature(sc, iot, i);
2021 break;
2022 case UDESCSUB_AC_PROCESSING:
2023 uaudio_add_processing(sc, iot, i);
2024 break;
2025 case UDESCSUB_AC_EXTENSION:
2026 uaudio_add_extension(sc, iot, i);
2027 break;
2028 default:
2029 printf("uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2030 dp->bDescriptorSubtype);
2031 break;
2032 }
2033 }
2034
2035 /* delete io_terminal */
2036 for (i = 0; i < 256; i++) {
2037 if (iot[i].d.desc == NULL)
2038 continue;
2039 if (iot[i].inputs != NULL) {
2040 for (j = 0; j < iot[i].inputs_size; j++) {
2041 if (iot[i].inputs[j] != NULL)
2042 free(iot[i].inputs[j], M_TEMP);
2043 }
2044 free(iot[i].inputs, M_TEMP);
2045 }
2046 if (iot[i].output != NULL)
2047 free(iot[i].output, M_TEMP);
2048 iot[i].d.desc = NULL;
2049 }
2050 free(iot, M_TEMP);
2051
2052 return USBD_NORMAL_COMPLETION;
2053 }
2054
2055 Static int
2056 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2057 {
2058 struct uaudio_softc *sc;
2059 struct mixerctl *mc;
2060 int n, nctls, i;
2061
2062 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2063 sc = addr;
2064 if (sc->sc_dying)
2065 return EIO;
2066
2067 n = mi->index;
2068 nctls = sc->sc_nctls;
2069
2070 switch (n) {
2071 case UAC_OUTPUT:
2072 mi->type = AUDIO_MIXER_CLASS;
2073 mi->mixer_class = UAC_OUTPUT;
2074 mi->next = mi->prev = AUDIO_MIXER_LAST;
2075 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2076 return 0;
2077 case UAC_INPUT:
2078 mi->type = AUDIO_MIXER_CLASS;
2079 mi->mixer_class = UAC_INPUT;
2080 mi->next = mi->prev = AUDIO_MIXER_LAST;
2081 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2082 return 0;
2083 case UAC_EQUAL:
2084 mi->type = AUDIO_MIXER_CLASS;
2085 mi->mixer_class = UAC_EQUAL;
2086 mi->next = mi->prev = AUDIO_MIXER_LAST;
2087 strlcpy(mi->label.name, AudioCequalization,
2088 sizeof(mi->label.name));
2089 return 0;
2090 case UAC_RECORD:
2091 mi->type = AUDIO_MIXER_CLASS;
2092 mi->mixer_class = UAC_RECORD;
2093 mi->next = mi->prev = AUDIO_MIXER_LAST;
2094 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2095 return 0;
2096 default:
2097 break;
2098 }
2099
2100 n -= UAC_NCLASSES;
2101 if (n < 0 || n >= nctls)
2102 return ENXIO;
2103
2104 mc = &sc->sc_ctls[n];
2105 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2106 mi->mixer_class = mc->class;
2107 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2108 switch (mc->type) {
2109 case MIX_ON_OFF:
2110 mi->type = AUDIO_MIXER_ENUM;
2111 mi->un.e.num_mem = 2;
2112 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2113 sizeof(mi->un.e.member[0].label.name));
2114 mi->un.e.member[0].ord = 0;
2115 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2116 sizeof(mi->un.e.member[1].label.name));
2117 mi->un.e.member[1].ord = 1;
2118 break;
2119 case MIX_SELECTOR:
2120 mi->type = AUDIO_MIXER_ENUM;
2121 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2122 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2123 snprintf(mi->un.e.member[i].label.name,
2124 sizeof(mi->un.e.member[i].label.name),
2125 "%d", i + mc->minval);
2126 mi->un.e.member[i].ord = i + mc->minval;
2127 }
2128 break;
2129 default:
2130 mi->type = AUDIO_MIXER_VALUE;
2131 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2132 mi->un.v.num_channels = mc->nchan;
2133 mi->un.v.delta = mc->delta;
2134 break;
2135 }
2136 return 0;
2137 }
2138
2139 Static int
2140 uaudio_open(void *addr, int flags)
2141 {
2142 struct uaudio_softc *sc;
2143
2144 sc = addr;
2145 DPRINTF(("uaudio_open: sc=%p\n", sc));
2146 if (sc->sc_dying)
2147 return EIO;
2148
2149 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2150 return EACCES;
2151 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2152 return EACCES;
2153
2154 return 0;
2155 }
2156
2157 /*
2158 * Close function is called at splaudio().
2159 */
2160 Static void
2161 uaudio_close(void *addr)
2162 {
2163 }
2164
2165 Static int
2166 uaudio_drain(void *addr)
2167 {
2168 struct uaudio_softc *sc;
2169
2170 sc = addr;
2171 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2172
2173 return 0;
2174 }
2175
2176 Static int
2177 uaudio_halt_out_dma(void *addr)
2178 {
2179 struct uaudio_softc *sc;
2180
2181 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2182 sc = addr;
2183 if (sc->sc_playchan.pipe != NULL) {
2184 uaudio_chan_close(sc, &sc->sc_playchan);
2185 sc->sc_playchan.pipe = NULL;
2186 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2187 sc->sc_playchan.intr = NULL;
2188 }
2189 return 0;
2190 }
2191
2192 Static int
2193 uaudio_halt_in_dma(void *addr)
2194 {
2195 struct uaudio_softc *sc;
2196
2197 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2198 sc = addr;
2199 if (sc->sc_recchan.pipe != NULL) {
2200 uaudio_chan_close(sc, &sc->sc_recchan);
2201 sc->sc_recchan.pipe = NULL;
2202 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2203 sc->sc_recchan.intr = NULL;
2204 }
2205 return 0;
2206 }
2207
2208 Static int
2209 uaudio_getdev(void *addr, struct audio_device *retp)
2210 {
2211 struct uaudio_softc *sc;
2212
2213 DPRINTF(("uaudio_mixer_getdev:\n"));
2214 sc = addr;
2215 if (sc->sc_dying)
2216 return EIO;
2217
2218 *retp = uaudio_device;
2219 return 0;
2220 }
2221
2222 /*
2223 * Make sure the block size is large enough to hold all outstanding transfers.
2224 */
2225 Static int
2226 uaudio_round_blocksize(void *addr, int blk,
2227 int mode, const audio_params_t *param)
2228 {
2229 struct uaudio_softc *sc;
2230 int b;
2231
2232 sc = addr;
2233 DPRINTF(("uaudio_round_blocksize: blk=%d mode=%s\n", blk,
2234 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"));
2235
2236 /* chan.bytes_per_frame can be 0. */
2237 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2238 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2239
2240 /*
2241 * This does not make accurate value in the case
2242 * of b % USB_FRAMES_PER_SECOND != 0
2243 */
2244 b /= USB_FRAMES_PER_SECOND;
2245
2246 b *= param->precision / 8 * param->channels;
2247 } else {
2248 /*
2249 * use wMaxPacketSize in bytes_per_frame.
2250 * See uaudio_set_params() and uaudio_chan_init()
2251 */
2252 b = sc->sc_recchan.bytes_per_frame
2253 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2254 }
2255
2256 if (b <= 0)
2257 b = 1;
2258 blk = blk <= b ? b : blk / b * b;
2259
2260 #ifdef DIAGNOSTIC
2261 if (blk <= 0) {
2262 printf("uaudio_round_blocksize: blk=%d\n", blk);
2263 blk = 512;
2264 }
2265 #endif
2266
2267 DPRINTF(("uaudio_round_blocksize: resultant blk=%d\n", blk));
2268 return blk;
2269 }
2270
2271 Static int
2272 uaudio_get_props(void *addr)
2273 {
2274 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2275
2276 }
2277
2278 Static int
2279 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2280 int wIndex, int len)
2281 {
2282 usb_device_request_t req;
2283 u_int8_t data[4];
2284 usbd_status err;
2285 int val;
2286
2287 if (wValue == -1)
2288 return 0;
2289
2290 req.bmRequestType = type;
2291 req.bRequest = which;
2292 USETW(req.wValue, wValue);
2293 USETW(req.wIndex, wIndex);
2294 USETW(req.wLength, len);
2295 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2296 "wIndex=0x%04x len=%d\n",
2297 type, which, wValue, wIndex, len));
2298 err = usbd_do_request(sc->sc_udev, &req, data);
2299 if (err) {
2300 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2301 return -1;
2302 }
2303 switch (len) {
2304 case 1:
2305 val = data[0];
2306 break;
2307 case 2:
2308 val = data[0] | (data[1] << 8);
2309 break;
2310 default:
2311 DPRINTF(("uaudio_get: bad length=%d\n", len));
2312 return -1;
2313 }
2314 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2315 return val;
2316 }
2317
2318 Static void
2319 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2320 int wIndex, int len, int val)
2321 {
2322 usb_device_request_t req;
2323 u_int8_t data[4];
2324 usbd_status err;
2325
2326 if (wValue == -1)
2327 return;
2328
2329 req.bmRequestType = type;
2330 req.bRequest = which;
2331 USETW(req.wValue, wValue);
2332 USETW(req.wIndex, wIndex);
2333 USETW(req.wLength, len);
2334 switch (len) {
2335 case 1:
2336 data[0] = val;
2337 break;
2338 case 2:
2339 data[0] = val;
2340 data[1] = val >> 8;
2341 break;
2342 default:
2343 return;
2344 }
2345 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2346 "wIndex=0x%04x len=%d, val=%d\n",
2347 type, which, wValue, wIndex, len, val & 0xffff));
2348 err = usbd_do_request(sc->sc_udev, &req, data);
2349 #ifdef UAUDIO_DEBUG
2350 if (err)
2351 DPRINTF(("uaudio_set: err=%d\n", err));
2352 #endif
2353 }
2354
2355 Static int
2356 uaudio_signext(int type, int val)
2357 {
2358 if (!MIX_UNSIGNED(type)) {
2359 if (MIX_SIZE(type) == 2)
2360 val = (int16_t)val;
2361 else
2362 val = (int8_t)val;
2363 }
2364 return val;
2365 }
2366
2367 Static int
2368 uaudio_value2bsd(struct mixerctl *mc, int val)
2369 {
2370 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2371 mc->type, val, mc->minval, mc->maxval));
2372 if (mc->type == MIX_ON_OFF) {
2373 val = (val != 0);
2374 } else if (mc->type == MIX_SELECTOR) {
2375 if (val < mc->minval || val > mc->maxval)
2376 val = mc->minval;
2377 } else
2378 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2379 + mc->mul/2) / mc->mul;
2380 DPRINTFN(5, ("val'=%d\n", val));
2381 return val;
2382 }
2383
2384 int
2385 uaudio_bsd2value(struct mixerctl *mc, int val)
2386 {
2387 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2388 mc->type, val, mc->minval, mc->maxval));
2389 if (mc->type == MIX_ON_OFF) {
2390 val = (val != 0);
2391 } else if (mc->type == MIX_SELECTOR) {
2392 if (val < mc->minval || val > mc->maxval)
2393 val = mc->minval;
2394 } else
2395 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2396 DPRINTFN(5, ("val'=%d\n", val));
2397 return val;
2398 }
2399
2400 Static int
2401 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2402 int chan)
2403 {
2404 int val;
2405
2406 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2407 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2408 mc->wIndex, MIX_SIZE(mc->type));
2409 return uaudio_value2bsd(mc, val);
2410 }
2411
2412 Static void
2413 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2414 int chan, int val)
2415 {
2416 val = uaudio_bsd2value(mc, val);
2417 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2418 mc->wIndex, MIX_SIZE(mc->type), val);
2419 }
2420
2421 Static int
2422 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2423 {
2424 struct uaudio_softc *sc;
2425 struct mixerctl *mc;
2426 int i, n, vals[MIX_MAX_CHAN], val;
2427
2428 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2429 sc = addr;
2430 if (sc->sc_dying)
2431 return EIO;
2432
2433 n = cp->dev - UAC_NCLASSES;
2434 if (n < 0 || n >= sc->sc_nctls)
2435 return ENXIO;
2436 mc = &sc->sc_ctls[n];
2437
2438 if (mc->type == MIX_ON_OFF) {
2439 if (cp->type != AUDIO_MIXER_ENUM)
2440 return EINVAL;
2441 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2442 } else if (mc->type == MIX_SELECTOR) {
2443 if (cp->type != AUDIO_MIXER_ENUM)
2444 return EINVAL;
2445 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2446 } else {
2447 if (cp->type != AUDIO_MIXER_VALUE)
2448 return EINVAL;
2449 if (cp->un.value.num_channels != 1 &&
2450 cp->un.value.num_channels != mc->nchan)
2451 return EINVAL;
2452 for (i = 0; i < mc->nchan; i++)
2453 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2454 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2455 for (val = 0, i = 0; i < mc->nchan; i++)
2456 val += vals[i];
2457 vals[0] = val / mc->nchan;
2458 }
2459 for (i = 0; i < cp->un.value.num_channels; i++)
2460 cp->un.value.level[i] = vals[i];
2461 }
2462
2463 return 0;
2464 }
2465
2466 Static int
2467 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2468 {
2469 struct uaudio_softc *sc;
2470 struct mixerctl *mc;
2471 int i, n, vals[MIX_MAX_CHAN];
2472
2473 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2474 sc = addr;
2475 if (sc->sc_dying)
2476 return EIO;
2477
2478 n = cp->dev - UAC_NCLASSES;
2479 if (n < 0 || n >= sc->sc_nctls)
2480 return ENXIO;
2481 mc = &sc->sc_ctls[n];
2482
2483 if (mc->type == MIX_ON_OFF) {
2484 if (cp->type != AUDIO_MIXER_ENUM)
2485 return EINVAL;
2486 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2487 } else if (mc->type == MIX_SELECTOR) {
2488 if (cp->type != AUDIO_MIXER_ENUM)
2489 return EINVAL;
2490 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2491 } else {
2492 if (cp->type != AUDIO_MIXER_VALUE)
2493 return EINVAL;
2494 if (cp->un.value.num_channels == 1)
2495 for (i = 0; i < mc->nchan; i++)
2496 vals[i] = cp->un.value.level[0];
2497 else if (cp->un.value.num_channels == mc->nchan)
2498 for (i = 0; i < mc->nchan; i++)
2499 vals[i] = cp->un.value.level[i];
2500 else
2501 return EINVAL;
2502 for (i = 0; i < mc->nchan; i++)
2503 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2504 }
2505 return 0;
2506 }
2507
2508 Static int
2509 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2510 void (*intr)(void *), void *arg,
2511 const audio_params_t *param)
2512 {
2513 struct uaudio_softc *sc;
2514 struct chan *ch;
2515 usbd_status err;
2516 int i, s;
2517
2518 sc = addr;
2519 if (sc->sc_dying)
2520 return EIO;
2521
2522 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2523 "blksize=%d\n", sc, start, end, blksize));
2524 ch = &sc->sc_recchan;
2525 uaudio_chan_set_param(ch, start, end, blksize);
2526 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2527 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2528 ch->fraction));
2529
2530 err = uaudio_chan_alloc_buffers(sc, ch);
2531 if (err)
2532 return EIO;
2533
2534 err = uaudio_chan_open(sc, ch);
2535 if (err) {
2536 uaudio_chan_free_buffers(sc, ch);
2537 return EIO;
2538 }
2539
2540 ch->intr = intr;
2541 ch->arg = arg;
2542
2543 s = splusb();
2544 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2545 uaudio_chan_rtransfer(ch);
2546 splx(s);
2547
2548 return 0;
2549 }
2550
2551 Static int
2552 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2553 void (*intr)(void *), void *arg,
2554 const audio_params_t *param)
2555 {
2556 struct uaudio_softc *sc;
2557 struct chan *ch;
2558 usbd_status err;
2559 int i, s;
2560
2561 sc = addr;
2562 if (sc->sc_dying)
2563 return EIO;
2564
2565 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2566 "blksize=%d\n", sc, start, end, blksize));
2567 ch = &sc->sc_playchan;
2568 uaudio_chan_set_param(ch, start, end, blksize);
2569 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2570 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2571 ch->fraction));
2572
2573 err = uaudio_chan_alloc_buffers(sc, ch);
2574 if (err)
2575 return EIO;
2576
2577 err = uaudio_chan_open(sc, ch);
2578 if (err) {
2579 uaudio_chan_free_buffers(sc, ch);
2580 return EIO;
2581 }
2582
2583 ch->intr = intr;
2584 ch->arg = arg;
2585
2586 s = splusb();
2587 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2588 uaudio_chan_ptransfer(ch);
2589 splx(s);
2590
2591 return 0;
2592 }
2593
2594 /* Set up a pipe for a channel. */
2595 Static usbd_status
2596 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2597 {
2598 struct as_info *as;
2599 int endpt;
2600 usbd_status err;
2601
2602 as = &sc->sc_alts[ch->altidx];
2603 endpt = as->edesc->bEndpointAddress;
2604 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2605 endpt, ch->sample_rate, as->alt));
2606
2607 /* Set alternate interface corresponding to the mode. */
2608 err = usbd_set_interface(as->ifaceh, as->alt);
2609 if (err)
2610 return err;
2611
2612 /*
2613 * If just one sampling rate is supported,
2614 * no need to call uaudio_set_speed().
2615 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2616 */
2617 if (as->asf1desc->bSamFreqType != 1) {
2618 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2619 if (err)
2620 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2621 usbd_errstr(err)));
2622 }
2623
2624 ch->pipe = 0;
2625 ch->sync_pipe = 0;
2626 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2627 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2628 if (err)
2629 return err;
2630 if (as->edesc1 != NULL) {
2631 endpt = as->edesc1->bEndpointAddress;
2632 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2633 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2634 }
2635 return err;
2636 }
2637
2638 Static void
2639 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2640 {
2641 struct as_info *as;
2642
2643 as = &sc->sc_alts[ch->altidx];
2644 as->sc_busy = 0;
2645 AUFMT_VALIDATE(as->aformat);
2646 if (sc->sc_nullalt >= 0) {
2647 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2648 sc->sc_nullalt));
2649 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2650 }
2651 if (ch->pipe) {
2652 usbd_abort_pipe(ch->pipe);
2653 usbd_close_pipe(ch->pipe);
2654 }
2655 if (ch->sync_pipe) {
2656 usbd_abort_pipe(ch->sync_pipe);
2657 usbd_close_pipe(ch->sync_pipe);
2658 }
2659 }
2660
2661 Static usbd_status
2662 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2663 {
2664 usbd_xfer_handle xfer;
2665 void *tbuf;
2666 int i, size;
2667
2668 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2669 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2670 xfer = usbd_alloc_xfer(sc->sc_udev);
2671 if (xfer == 0)
2672 goto bad;
2673 ch->chanbufs[i].xfer = xfer;
2674 tbuf = usbd_alloc_buffer(xfer, size);
2675 if (tbuf == 0) {
2676 i++;
2677 goto bad;
2678 }
2679 ch->chanbufs[i].buffer = tbuf;
2680 ch->chanbufs[i].chan = ch;
2681 }
2682
2683 return USBD_NORMAL_COMPLETION;
2684
2685 bad:
2686 while (--i >= 0)
2687 /* implicit buffer free */
2688 usbd_free_xfer(ch->chanbufs[i].xfer);
2689 return USBD_NOMEM;
2690 }
2691
2692 Static void
2693 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2694 {
2695 int i;
2696
2697 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2698 usbd_free_xfer(ch->chanbufs[i].xfer);
2699 }
2700
2701 /* Called at splusb() */
2702 Static void
2703 uaudio_chan_ptransfer(struct chan *ch)
2704 {
2705 struct chanbuf *cb;
2706 int i, n, size, residue, total;
2707
2708 if (ch->sc->sc_dying)
2709 return;
2710
2711 /* Pick the next channel buffer. */
2712 cb = &ch->chanbufs[ch->curchanbuf];
2713 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2714 ch->curchanbuf = 0;
2715
2716 /* Compute the size of each frame in the next transfer. */
2717 residue = ch->residue;
2718 total = 0;
2719 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2720 size = ch->bytes_per_frame;
2721 residue += ch->fraction;
2722 if (residue >= USB_FRAMES_PER_SECOND) {
2723 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2724 size += ch->sample_size;
2725 residue -= USB_FRAMES_PER_SECOND;
2726 }
2727 cb->sizes[i] = size;
2728 total += size;
2729 }
2730 ch->residue = residue;
2731 cb->size = total;
2732
2733 /*
2734 * Transfer data from upper layer buffer to channel buffer, taking
2735 * care of wrapping the upper layer buffer.
2736 */
2737 n = min(total, ch->end - ch->cur);
2738 memcpy(cb->buffer, ch->cur, n);
2739 ch->cur += n;
2740 if (ch->cur >= ch->end)
2741 ch->cur = ch->start;
2742 if (total > n) {
2743 total -= n;
2744 memcpy(cb->buffer + n, ch->cur, total);
2745 ch->cur += total;
2746 }
2747
2748 #ifdef UAUDIO_DEBUG
2749 if (uaudiodebug > 8) {
2750 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2751 cb->buffer, ch->residue));
2752 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2753 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2754 }
2755 }
2756 #endif
2757
2758 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2759 /* Fill the request */
2760 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2761 UAUDIO_NFRAMES, USBD_NO_COPY,
2762 uaudio_chan_pintr);
2763
2764 (void)usbd_transfer(cb->xfer);
2765 }
2766
2767 Static void
2768 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2769 usbd_status status)
2770 {
2771 struct chanbuf *cb;
2772 struct chan *ch;
2773 uint32_t count;
2774 int s;
2775
2776 cb = priv;
2777 ch = cb->chan;
2778 /* Return if we are aborting. */
2779 if (status == USBD_CANCELLED)
2780 return;
2781
2782 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2783 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2784 count, ch->transferred));
2785 #ifdef DIAGNOSTIC
2786 if (count != cb->size) {
2787 printf("uaudio_chan_pintr: count(%d) != size(%d)\n",
2788 count, cb->size);
2789 }
2790 #endif
2791
2792 ch->transferred += cb->size;
2793 s = splaudio();
2794 /* Call back to upper layer */
2795 while (ch->transferred >= ch->blksize) {
2796 ch->transferred -= ch->blksize;
2797 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2798 ch->intr, ch->arg));
2799 ch->intr(ch->arg);
2800 }
2801 splx(s);
2802
2803 /* start next transfer */
2804 uaudio_chan_ptransfer(ch);
2805 }
2806
2807 /* Called at splusb() */
2808 Static void
2809 uaudio_chan_rtransfer(struct chan *ch)
2810 {
2811 struct chanbuf *cb;
2812 int i, size, residue, total;
2813
2814 if (ch->sc->sc_dying)
2815 return;
2816
2817 /* Pick the next channel buffer. */
2818 cb = &ch->chanbufs[ch->curchanbuf];
2819 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2820 ch->curchanbuf = 0;
2821
2822 /* Compute the size of each frame in the next transfer. */
2823 residue = ch->residue;
2824 total = 0;
2825 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2826 size = ch->bytes_per_frame;
2827 cb->sizes[i] = size;
2828 cb->offsets[i] = total;
2829 total += size;
2830 }
2831 ch->residue = residue;
2832 cb->size = total;
2833
2834 #ifdef UAUDIO_DEBUG
2835 if (uaudiodebug > 8) {
2836 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2837 cb->buffer, ch->residue));
2838 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2839 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2840 }
2841 }
2842 #endif
2843
2844 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2845 /* Fill the request */
2846 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2847 UAUDIO_NFRAMES, USBD_NO_COPY,
2848 uaudio_chan_rintr);
2849
2850 (void)usbd_transfer(cb->xfer);
2851 }
2852
2853 Static void
2854 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2855 usbd_status status)
2856 {
2857 struct chanbuf *cb;
2858 struct chan *ch;
2859 uint32_t count;
2860 int s, i, n, frsize;
2861
2862 cb = priv;
2863 ch = cb->chan;
2864 /* Return if we are aborting. */
2865 if (status == USBD_CANCELLED)
2866 return;
2867
2868 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2869 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2870 count, ch->transferred));
2871
2872 /* count < cb->size is normal for asynchronous source */
2873 #ifdef DIAGNOSTIC
2874 if (count > cb->size) {
2875 printf("uaudio_chan_rintr: count(%d) > size(%d)\n",
2876 count, cb->size);
2877 }
2878 #endif
2879
2880 /*
2881 * Transfer data from channel buffer to upper layer buffer, taking
2882 * care of wrapping the upper layer buffer.
2883 */
2884 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2885 frsize = cb->sizes[i];
2886 n = min(frsize, ch->end - ch->cur);
2887 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2888 ch->cur += n;
2889 if (ch->cur >= ch->end)
2890 ch->cur = ch->start;
2891 if (frsize > n) {
2892 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2893 frsize - n);
2894 ch->cur += frsize - n;
2895 }
2896 }
2897
2898 /* Call back to upper layer */
2899 ch->transferred += count;
2900 s = splaudio();
2901 while (ch->transferred >= ch->blksize) {
2902 ch->transferred -= ch->blksize;
2903 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2904 ch->intr, ch->arg));
2905 ch->intr(ch->arg);
2906 }
2907 splx(s);
2908
2909 /* start next transfer */
2910 uaudio_chan_rtransfer(ch);
2911 }
2912
2913 Static void
2914 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2915 int maxpktsize)
2916 {
2917 int samples_per_frame, sample_size;
2918
2919 ch->altidx = altidx;
2920 sample_size = param->precision * param->channels / 8;
2921 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2922 ch->sample_size = sample_size;
2923 ch->sample_rate = param->sample_rate;
2924 if (maxpktsize == 0) {
2925 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2926 ch->bytes_per_frame = samples_per_frame * sample_size;
2927 } else {
2928 ch->fraction = 0;
2929 ch->bytes_per_frame = maxpktsize;
2930 }
2931 ch->residue = 0;
2932 }
2933
2934 Static void
2935 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2936 {
2937
2938 ch->start = start;
2939 ch->end = end;
2940 ch->cur = start;
2941 ch->blksize = blksize;
2942 ch->transferred = 0;
2943 ch->curchanbuf = 0;
2944 }
2945
2946 Static int
2947 uaudio_set_params(void *addr, int setmode, int usemode,
2948 struct audio_params *play, struct audio_params *rec,
2949 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
2950 {
2951 struct uaudio_softc *sc;
2952 int paltidx, raltidx;
2953 struct audio_params *p;
2954 stream_filter_list_t *fil;
2955 int mode, i;
2956
2957 sc = addr;
2958 paltidx = -1;
2959 raltidx = -1;
2960 if (sc->sc_dying)
2961 return EIO;
2962
2963 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2964 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2965 return EBUSY;
2966
2967 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2968 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2969 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2970 }
2971 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2972 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2973 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2974 }
2975
2976 /* Some uaudio devices are unidirectional. Don't try to find a
2977 matching mode for the unsupported direction. */
2978 setmode &= sc->sc_mode;
2979
2980 for (mode = AUMODE_RECORD; mode != -1;
2981 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2982 if ((setmode & mode) == 0)
2983 continue;
2984
2985 if (mode == AUMODE_PLAY) {
2986 p = play;
2987 fil = pfil;
2988 } else {
2989 p = rec;
2990 fil = rfil;
2991 }
2992 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
2993 mode, p, TRUE, fil);
2994 if (i < 0)
2995 return EINVAL;
2996
2997 if (mode == AUMODE_PLAY)
2998 paltidx = i;
2999 else
3000 raltidx = i;
3001 }
3002
3003 if ((setmode & AUMODE_PLAY)) {
3004 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3005 /* XXX abort transfer if currently happening? */
3006 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3007 }
3008 if ((setmode & AUMODE_RECORD)) {
3009 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3010 /* XXX abort transfer if currently happening? */
3011 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3012 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3013 }
3014
3015 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3016 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3017 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3018 }
3019 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3020 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3021 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3022 }
3023
3024 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3025 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3026 (sc->sc_playchan.altidx >= 0)
3027 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3028 : -1,
3029 (sc->sc_recchan.altidx >= 0)
3030 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3031 : -1));
3032
3033 return 0;
3034 }
3035
3036 Static usbd_status
3037 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3038 {
3039 usb_device_request_t req;
3040 uint8_t data[3];
3041
3042 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3043 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3044 req.bRequest = SET_CUR;
3045 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3046 USETW(req.wIndex, endpt);
3047 USETW(req.wLength, 3);
3048 data[0] = speed;
3049 data[1] = speed >> 8;
3050 data[2] = speed >> 16;
3051
3052 return usbd_do_request(sc->sc_udev, &req, data);
3053 }
3054