uaudio.c revision 1.110 1 /* $NetBSD: uaudio.c,v 1.110 2007/03/13 13:51:54 drochner 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 1.110 2007/03/13 13:51:54 drochner 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/poll.h>
62
63 #include <sys/audioio.h>
64 #include <dev/audio_if.h>
65 #include <dev/audiovar.h>
66 #include <dev/mulaw.h>
67 #include <dev/auconv.h>
68
69 #include <dev/usb/usb.h>
70 #include <dev/usb/usbdi.h>
71 #include <dev/usb/usbdi_util.h>
72 #include <dev/usb/usb_quirks.h>
73
74 #include <dev/usb/uaudioreg.h>
75
76 /* #define UAUDIO_DEBUG */
77 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
78 #ifdef UAUDIO_DEBUG
79 #define DPRINTF(x) do { if (uaudiodebug) logprintf x; } while (0)
80 #define DPRINTFN(n,x) do { if (uaudiodebug>(n)) logprintf x; } while (0)
81 int uaudiodebug = 0;
82 #else
83 #define DPRINTF(x)
84 #define DPRINTFN(n,x)
85 #endif
86
87 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
88 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
89
90
91 #define MIX_MAX_CHAN 8
92 struct mixerctl {
93 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
94 uint16_t wIndex;
95 uint8_t nchan;
96 uint8_t type;
97 #define MIX_ON_OFF 1
98 #define MIX_SIGNED_16 2
99 #define MIX_UNSIGNED_16 3
100 #define MIX_SIGNED_8 4
101 #define MIX_SELECTOR 5
102 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
103 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
104 int minval, maxval;
105 u_int delta;
106 u_int mul;
107 uint8_t class;
108 char ctlname[MAX_AUDIO_DEV_LEN];
109 const char *ctlunit;
110 };
111 #define MAKE(h,l) (((h) << 8) | (l))
112
113 struct as_info {
114 uint8_t alt;
115 uint8_t encoding;
116 uint8_t attributes; /* Copy of bmAttributes of
117 * usb_audio_streaming_endpoint_descriptor
118 */
119 usbd_interface_handle ifaceh;
120 const usb_interface_descriptor_t *idesc;
121 const usb_endpoint_descriptor_audio_t *edesc;
122 const usb_endpoint_descriptor_audio_t *edesc1;
123 const struct usb_audio_streaming_type1_descriptor *asf1desc;
124 struct audio_format *aformat;
125 int sc_busy; /* currently used */
126 };
127
128 struct chan {
129 void (*intr)(void *); /* DMA completion intr handler */
130 void *arg; /* arg for intr() */
131 usbd_pipe_handle pipe;
132 usbd_pipe_handle sync_pipe;
133
134 u_int sample_size;
135 u_int sample_rate;
136 u_int bytes_per_frame;
137 u_int fraction; /* fraction/1000 is the extra samples/frame */
138 u_int residue; /* accumulates the fractional samples */
139
140 u_char *start; /* upper layer buffer start */
141 u_char *end; /* upper layer buffer end */
142 u_char *cur; /* current position in upper layer buffer */
143 int blksize; /* chunk size to report up */
144 int transferred; /* transferred bytes not reported up */
145
146 int altidx; /* currently used altidx */
147
148 int curchanbuf;
149 struct chanbuf {
150 struct chan *chan;
151 usbd_xfer_handle xfer;
152 u_char *buffer;
153 uint16_t sizes[UAUDIO_NFRAMES];
154 uint16_t offsets[UAUDIO_NFRAMES];
155 uint16_t size;
156 } chanbufs[UAUDIO_NCHANBUFS];
157
158 struct uaudio_softc *sc; /* our softc */
159 };
160
161 struct uaudio_softc {
162 USBBASEDEVICE sc_dev; /* base device */
163 usbd_device_handle sc_udev; /* USB device */
164 int sc_ac_iface; /* Audio Control interface */
165 usbd_interface_handle sc_ac_ifaceh;
166 struct chan sc_playchan; /* play channel */
167 struct chan sc_recchan; /* record channel */
168 int sc_nullalt;
169 int sc_audio_rev;
170 struct as_info *sc_alts; /* alternate settings */
171 int sc_nalts; /* # of alternate settings */
172 int sc_altflags;
173 #define HAS_8 0x01
174 #define HAS_16 0x02
175 #define HAS_8U 0x04
176 #define HAS_ALAW 0x08
177 #define HAS_MULAW 0x10
178 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
179 #define HAS_24 0x40
180 int sc_mode; /* play/record capability */
181 struct mixerctl *sc_ctls; /* mixer controls */
182 int sc_nctls; /* # of mixer controls */
183 device_ptr_t sc_audiodev;
184 struct audio_format *sc_formats;
185 int sc_nformats;
186 struct audio_encoding_set *sc_encodings;
187 u_int sc_channel_config;
188 char sc_dying;
189 };
190
191 struct terminal_list {
192 int size;
193 uint16_t terminals[1];
194 };
195 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
196 + sizeof(uint16_t) * (N))
197
198 struct io_terminal {
199 union {
200 const uaudio_cs_descriptor_t *desc;
201 const struct usb_audio_input_terminal *it;
202 const struct usb_audio_output_terminal *ot;
203 const struct usb_audio_mixer_unit *mu;
204 const struct usb_audio_selector_unit *su;
205 const struct usb_audio_feature_unit *fu;
206 const struct usb_audio_processing_unit *pu;
207 const struct usb_audio_extension_unit *eu;
208 } d;
209 int inputs_size;
210 struct terminal_list **inputs; /* list of source input terminals */
211 struct terminal_list *output; /* list of destination output terminals */
212 int direct; /* directly connected to an output terminal */
213 };
214
215 #define UAC_OUTPUT 0
216 #define UAC_INPUT 1
217 #define UAC_EQUAL 2
218 #define UAC_RECORD 3
219 #define UAC_NCLASSES 4
220 #ifdef UAUDIO_DEBUG
221 Static const char *uac_names[] = {
222 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
223 };
224 #endif
225
226 Static usbd_status uaudio_identify_ac
227 (struct uaudio_softc *, const usb_config_descriptor_t *);
228 Static usbd_status uaudio_identify_as
229 (struct uaudio_softc *, const usb_config_descriptor_t *);
230 Static usbd_status uaudio_process_as
231 (struct uaudio_softc *, const char *, int *, int,
232 const usb_interface_descriptor_t *);
233
234 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *);
235
236 Static const usb_interface_descriptor_t *uaudio_find_iface
237 (const char *, int, int *, int);
238
239 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *);
240 Static char *uaudio_id_name
241 (struct uaudio_softc *, const struct io_terminal *, int);
242 #ifdef UAUDIO_DEBUG
243 Static void uaudio_dump_cluster(const struct usb_audio_cluster *);
244 #endif
245 Static struct usb_audio_cluster uaudio_get_cluster
246 (int, const struct io_terminal *);
247 Static void uaudio_add_input
248 (struct uaudio_softc *, const struct io_terminal *, int);
249 Static void uaudio_add_output
250 (struct uaudio_softc *, const struct io_terminal *, int);
251 Static void uaudio_add_mixer
252 (struct uaudio_softc *, const struct io_terminal *, int);
253 Static void uaudio_add_selector
254 (struct uaudio_softc *, const struct io_terminal *, int);
255 #ifdef UAUDIO_DEBUG
256 Static const char *uaudio_get_terminal_name(int);
257 #endif
258 Static int uaudio_determine_class
259 (const struct io_terminal *, struct mixerctl *);
260 Static const char *uaudio_feature_name
261 (const struct io_terminal *, struct mixerctl *);
262 Static void uaudio_add_feature
263 (struct uaudio_softc *, const struct io_terminal *, int);
264 Static void uaudio_add_processing_updown
265 (struct uaudio_softc *, const struct io_terminal *, int);
266 Static void uaudio_add_processing
267 (struct uaudio_softc *, const struct io_terminal *, int);
268 Static void uaudio_add_extension
269 (struct uaudio_softc *, const struct io_terminal *, int);
270 Static struct terminal_list *uaudio_merge_terminal_list
271 (const struct io_terminal *);
272 Static struct terminal_list *uaudio_io_terminaltype
273 (int, struct io_terminal *, int);
274 Static usbd_status uaudio_identify
275 (struct uaudio_softc *, const usb_config_descriptor_t *);
276
277 Static int uaudio_signext(int, int);
278 Static int uaudio_value2bsd(struct mixerctl *, int);
279 Static int uaudio_bsd2value(struct mixerctl *, int);
280 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int);
281 Static int uaudio_ctl_get
282 (struct uaudio_softc *, int, struct mixerctl *, int);
283 Static void uaudio_set
284 (struct uaudio_softc *, int, int, int, int, int, int);
285 Static void uaudio_ctl_set
286 (struct uaudio_softc *, int, struct mixerctl *, int, int);
287
288 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int);
289
290 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *);
291 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
292 Static usbd_status uaudio_chan_alloc_buffers
293 (struct uaudio_softc *, struct chan *);
294 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
295 Static void uaudio_chan_init
296 (struct chan *, int, const struct audio_params *, int);
297 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
298 Static void uaudio_chan_ptransfer(struct chan *);
299 Static void uaudio_chan_pintr
300 (usbd_xfer_handle, usbd_private_handle, usbd_status);
301
302 Static void uaudio_chan_rtransfer(struct chan *);
303 Static void uaudio_chan_rintr
304 (usbd_xfer_handle, usbd_private_handle, usbd_status);
305
306 Static int uaudio_open(void *, int);
307 Static void uaudio_close(void *);
308 Static int uaudio_drain(void *);
309 Static int uaudio_query_encoding(void *, struct audio_encoding *);
310 Static int uaudio_set_params
311 (void *, int, int, struct audio_params *, struct audio_params *,
312 stream_filter_list_t *, stream_filter_list_t *);
313 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
314 Static int uaudio_trigger_output
315 (void *, void *, void *, int, void (*)(void *), void *,
316 const audio_params_t *);
317 Static int uaudio_trigger_input
318 (void *, void *, void *, int, void (*)(void *), void *,
319 const audio_params_t *);
320 Static int uaudio_halt_in_dma(void *);
321 Static int uaudio_halt_out_dma(void *);
322 Static int uaudio_getdev(void *, struct audio_device *);
323 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
324 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
325 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
326 Static int uaudio_get_props(void *);
327
328 Static const struct audio_hw_if uaudio_hw_if = {
329 uaudio_open,
330 uaudio_close,
331 uaudio_drain,
332 uaudio_query_encoding,
333 uaudio_set_params,
334 uaudio_round_blocksize,
335 NULL,
336 NULL,
337 NULL,
338 NULL,
339 NULL,
340 uaudio_halt_out_dma,
341 uaudio_halt_in_dma,
342 NULL,
343 uaudio_getdev,
344 NULL,
345 uaudio_mixer_set_port,
346 uaudio_mixer_get_port,
347 uaudio_query_devinfo,
348 NULL,
349 NULL,
350 NULL,
351 NULL,
352 uaudio_get_props,
353 uaudio_trigger_output,
354 uaudio_trigger_input,
355 NULL,
356 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_IFMATCH_START(uaudio, uaa);
370
371 /* Trigger on the control interface. */
372 if (uaa->class != UICLASS_AUDIO ||
373 uaa->subclass != UISUBCLASS_AUDIOCONTROL ||
374 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
375 return UMATCH_NONE;
376
377 return UMATCH_IFACECLASS_IFACESUBCLASS;
378 }
379
380 USB_ATTACH(uaudio)
381 {
382 USB_IFATTACH_START(uaudio, sc, uaa);
383 usb_interface_descriptor_t *id;
384 usb_config_descriptor_t *cdesc;
385 char *devinfop;
386 usbd_status err;
387 int i, j, found;
388
389 devinfop = usbd_devinfo_alloc(uaa->device, 0);
390 printf(": %s\n", devinfop);
391 usbd_devinfo_free(devinfop);
392
393 sc->sc_udev = uaa->device;
394
395 cdesc = usbd_get_config_descriptor(sc->sc_udev);
396 if (cdesc == NULL) {
397 printf("%s: failed to get configuration descriptor\n",
398 USBDEVNAME(sc->sc_dev));
399 USB_ATTACH_ERROR_RETURN;
400 }
401
402 err = uaudio_identify(sc, cdesc);
403 if (err) {
404 printf("%s: audio descriptors make no sense, error=%d\n",
405 USBDEVNAME(sc->sc_dev), err);
406 USB_ATTACH_ERROR_RETURN;
407 }
408
409 sc->sc_ac_ifaceh = uaa->iface;
410 /* Pick up the AS interface. */
411 for (i = 0; i < uaa->nifaces; i++) {
412 if (uaa->ifaces[i] == NULL)
413 continue;
414 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
415 if (id == NULL)
416 continue;
417 found = 0;
418 for (j = 0; j < sc->sc_nalts; j++) {
419 if (id->bInterfaceNumber ==
420 sc->sc_alts[j].idesc->bInterfaceNumber) {
421 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
422 found = 1;
423 }
424 }
425 if (found)
426 uaa->ifaces[i] = NULL;
427 }
428
429 for (j = 0; j < sc->sc_nalts; j++) {
430 if (sc->sc_alts[j].ifaceh == NULL) {
431 printf("%s: alt %d missing AS interface(s)\n",
432 USBDEVNAME(sc->sc_dev), j);
433 USB_ATTACH_ERROR_RETURN;
434 }
435 }
436
437 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev),
438 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
439
440 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
441 sc->sc_playchan.altidx = -1;
442 sc->sc_recchan.altidx = -1;
443
444 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
445 sc->sc_altflags |= UA_NOFRAC;
446
447 #ifndef UAUDIO_DEBUG
448 if (bootverbose)
449 #endif
450 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev),
451 sc->sc_nctls);
452
453 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
454 USBDEV(sc->sc_dev));
455
456 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
457 #if defined(__OpenBSD__)
458 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
459 #else
460 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
461 #endif
462
463 USB_ATTACH_SUCCESS_RETURN;
464 }
465
466 int
467 uaudio_activate(device_ptr_t self, enum devact act)
468 {
469 struct uaudio_softc *sc;
470 int rv;
471
472 sc = (struct uaudio_softc *)self;
473 rv = 0;
474 switch (act) {
475 case DVACT_ACTIVATE:
476 return EOPNOTSUPP;
477
478 case DVACT_DEACTIVATE:
479 if (sc->sc_audiodev != NULL)
480 rv = config_deactivate(sc->sc_audiodev);
481 sc->sc_dying = 1;
482 break;
483 }
484 return rv;
485 }
486
487 int
488 uaudio_detach(device_ptr_t self, int flags)
489 {
490 struct uaudio_softc *sc;
491 int rv;
492
493 sc = (struct uaudio_softc *)self;
494 rv = 0;
495 /* Wait for outstanding requests to complete. */
496 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
497
498 if (sc->sc_audiodev != NULL)
499 rv = config_detach(sc->sc_audiodev, flags);
500
501 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
502 USBDEV(sc->sc_dev));
503
504 if (sc->sc_formats != NULL)
505 free(sc->sc_formats, M_USBDEV);
506 auconv_delete_encodings(sc->sc_encodings);
507 return rv;
508 }
509
510 Static int
511 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
512 {
513 struct uaudio_softc *sc;
514 int flags;
515
516 sc = addr;
517 flags = sc->sc_altflags;
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 *tbuf, int size, int *offsp, int subtype)
529 {
530 const usb_interface_descriptor_t *d;
531
532 while (*offsp < size) {
533 d = (const void *)(tbuf + *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,
613 const struct io_terminal *iot, int id)
614 {
615 static char tbuf[32];
616
617 snprintf(tbuf, sizeof(tbuf), "i%d", id);
618 return tbuf;
619 }
620
621 #ifdef UAUDIO_DEBUG
622 Static void
623 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
624 {
625 static const char *channel_names[16] = {
626 "LEFT", "RIGHT", "CENTER", "LFE",
627 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
628 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
629 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
630 };
631 int cc, i, first;
632
633 cc = UGETW(cl->wChannelConfig);
634 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
635 cl->bNrChannels, cc);
636 first = TRUE;
637 for (i = 0; cc != 0; i++) {
638 if (cc & 1) {
639 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
640 first = FALSE;
641 }
642 cc = cc >> 1;
643 }
644 logprintf("> iChannelNames=%u", cl->iChannelNames);
645 }
646 #endif
647
648 Static struct usb_audio_cluster
649 uaudio_get_cluster(int id, const struct io_terminal *iot)
650 {
651 struct usb_audio_cluster r;
652 const uaudio_cs_descriptor_t *dp;
653 int i;
654
655 for (i = 0; i < 25; i++) { /* avoid infinite loops */
656 dp = iot[id].d.desc;
657 if (dp == 0)
658 goto bad;
659 switch (dp->bDescriptorSubtype) {
660 case UDESCSUB_AC_INPUT:
661 r.bNrChannels = iot[id].d.it->bNrChannels;
662 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
663 r.iChannelNames = iot[id].d.it->iChannelNames;
664 return r;
665 case UDESCSUB_AC_OUTPUT:
666 id = iot[id].d.ot->bSourceId;
667 break;
668 case UDESCSUB_AC_MIXER:
669 r = *(const struct usb_audio_cluster *)
670 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
671 return r;
672 case UDESCSUB_AC_SELECTOR:
673 /* XXX This is not really right */
674 id = iot[id].d.su->baSourceId[0];
675 break;
676 case UDESCSUB_AC_FEATURE:
677 id = iot[id].d.fu->bSourceId;
678 break;
679 case UDESCSUB_AC_PROCESSING:
680 r = *(const struct usb_audio_cluster *)
681 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
682 return r;
683 case UDESCSUB_AC_EXTENSION:
684 r = *(const struct usb_audio_cluster *)
685 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
686 return r;
687 default:
688 goto bad;
689 }
690 }
691 bad:
692 printf("uaudio_get_cluster: bad data\n");
693 memset(&r, 0, sizeof r);
694 return r;
695
696 }
697
698 Static void
699 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
700 {
701 const struct usb_audio_input_terminal *d;
702
703 d = iot[id].d.it;
704 #ifdef UAUDIO_DEBUG
705 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
706 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
707 "iChannelNames=%d iTerminal=%d\n",
708 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
709 d->bNrChannels, UGETW(d->wChannelConfig),
710 d->iChannelNames, d->iTerminal));
711 #endif
712 /* If USB input terminal, record wChannelConfig */
713 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
714 return;
715 sc->sc_channel_config = UGETW(d->wChannelConfig);
716 }
717
718 Static void
719 uaudio_add_output(struct uaudio_softc *sc,
720 const struct io_terminal *iot, int id)
721 {
722 #ifdef UAUDIO_DEBUG
723 const struct usb_audio_output_terminal *d;
724
725 d = iot[id].d.ot;
726 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
727 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
728 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
729 d->bSourceId, d->iTerminal));
730 #endif
731 }
732
733 Static void
734 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
735 {
736 const struct usb_audio_mixer_unit *d;
737 const struct usb_audio_mixer_unit_1 *d1;
738 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
739 const uByte *bm;
740 struct mixerctl mix;
741
742 d = iot[id].d.mu;
743 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
744 d->bUnitId, d->bNrInPins));
745
746 /* Compute the number of input channels */
747 ichs = 0;
748 for (i = 0; i < d->bNrInPins; i++)
749 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
750
751 /* and the number of output channels */
752 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
753 ochs = d1->bNrChannels;
754 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
755
756 bm = d1->bmControls;
757 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
758 uaudio_determine_class(&iot[id], &mix);
759 mix.type = MIX_SIGNED_16;
760 mix.ctlunit = AudioNvolume;
761 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
762 for (p = i = 0; i < d->bNrInPins; i++) {
763 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
764 mc = 0;
765 for (c = 0; c < chs; c++) {
766 mo = 0;
767 for (o = 0; o < ochs; o++) {
768 bno = (p + c) * ochs + o;
769 if (_BIT(bno))
770 mo++;
771 }
772 if (mo == 1)
773 mc++;
774 }
775 if (mc == chs && chs <= MIX_MAX_CHAN) {
776 k = 0;
777 for (c = 0; c < chs; c++)
778 for (o = 0; o < ochs; o++) {
779 bno = (p + c) * ochs + o;
780 if (_BIT(bno))
781 mix.wValue[k++] =
782 MAKE(p+c+1, o+1);
783 }
784 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
785 d->bUnitId, uaudio_id_name(sc, iot,
786 d->baSourceId[i]));
787 mix.nchan = chs;
788 uaudio_mixer_add_ctl(sc, &mix);
789 } else {
790 /* XXX */
791 }
792 #undef _BIT
793 p += chs;
794 }
795
796 }
797
798 Static void
799 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
800 {
801 const struct usb_audio_selector_unit *d;
802 struct mixerctl mix;
803 int i, wp;
804
805 d = iot[id].d.su;
806 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
807 d->bUnitId, d->bNrInPins));
808 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
809 mix.wValue[0] = MAKE(0, 0);
810 uaudio_determine_class(&iot[id], &mix);
811 mix.nchan = 1;
812 mix.type = MIX_SELECTOR;
813 mix.ctlunit = "";
814 mix.minval = 1;
815 mix.maxval = d->bNrInPins;
816 mix.mul = mix.maxval - mix.minval;
817 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
818 for (i = 1; i <= d->bNrInPins; i++) {
819 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
820 "i%d", d->baSourceId[i - 1]);
821 if (wp > MAX_AUDIO_DEV_LEN - 1)
822 break;
823 }
824 uaudio_mixer_add_ctl(sc, &mix);
825 }
826
827 #ifdef UAUDIO_DEBUG
828 Static const char *
829 uaudio_get_terminal_name(int terminal_type)
830 {
831 static char tbuf[100];
832
833 switch (terminal_type) {
834 /* USB terminal types */
835 case UAT_UNDEFINED: return "UAT_UNDEFINED";
836 case UAT_STREAM: return "UAT_STREAM";
837 case UAT_VENDOR: return "UAT_VENDOR";
838 /* input terminal types */
839 case UATI_UNDEFINED: return "UATI_UNDEFINED";
840 case UATI_MICROPHONE: return "UATI_MICROPHONE";
841 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
842 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
843 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
844 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
845 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
846 /* output terminal types */
847 case UATO_UNDEFINED: return "UATO_UNDEFINED";
848 case UATO_SPEAKER: return "UATO_SPEAKER";
849 case UATO_HEADPHONES: return "UATO_HEADPHONES";
850 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
851 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
852 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
853 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
854 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
855 /* bidir terminal types */
856 case UATB_UNDEFINED: return "UATB_UNDEFINED";
857 case UATB_HANDSET: return "UATB_HANDSET";
858 case UATB_HEADSET: return "UATB_HEADSET";
859 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
860 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
861 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
862 /* telephony terminal types */
863 case UATT_UNDEFINED: return "UATT_UNDEFINED";
864 case UATT_PHONELINE: return "UATT_PHONELINE";
865 case UATT_TELEPHONE: return "UATT_TELEPHONE";
866 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
867 /* external terminal types */
868 case UATE_UNDEFINED: return "UATE_UNDEFINED";
869 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
870 case UATE_LINECONN: return "UATE_LINECONN";
871 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
872 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
873 case UATE_SPDIF: return "UATE_SPDIF";
874 case UATE_1394DA: return "UATE_1394DA";
875 case UATE_1394DV: return "UATE_1394DV";
876 /* embedded function terminal types */
877 case UATF_UNDEFINED: return "UATF_UNDEFINED";
878 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
879 case UATF_EQUNOISE: return "UATF_EQUNOISE";
880 case UATF_CDPLAYER: return "UATF_CDPLAYER";
881 case UATF_DAT: return "UATF_DAT";
882 case UATF_DCC: return "UATF_DCC";
883 case UATF_MINIDISK: return "UATF_MINIDISK";
884 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
885 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
886 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
887 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
888 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
889 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
890 case UATF_SATELLITE: return "UATF_SATELLITE";
891 case UATF_CABLETUNER: return "UATF_CABLETUNER";
892 case UATF_DSS: return "UATF_DSS";
893 case UATF_RADIORECV: return "UATF_RADIORECV";
894 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
895 case UATF_MULTITRACK: return "UATF_MULTITRACK";
896 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
897 default:
898 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
899 return tbuf;
900 }
901 }
902 #endif
903
904 Static int
905 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
906 {
907 int terminal_type;
908
909 if (iot == NULL || iot->output == NULL) {
910 mix->class = UAC_OUTPUT;
911 return 0;
912 }
913 terminal_type = 0;
914 if (iot->output->size == 1)
915 terminal_type = iot->output->terminals[0];
916 /*
917 * If the only output terminal is USB,
918 * the class is UAC_RECORD.
919 */
920 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
921 mix->class = UAC_RECORD;
922 if (iot->inputs_size == 1
923 && iot->inputs[0] != NULL
924 && iot->inputs[0]->size == 1)
925 return iot->inputs[0]->terminals[0];
926 else
927 return 0;
928 }
929 /*
930 * If the ultimate destination of the unit is just one output
931 * terminal and the unit is connected to the output terminal
932 * directly, the class is UAC_OUTPUT.
933 */
934 if (terminal_type != 0 && iot->direct) {
935 mix->class = UAC_OUTPUT;
936 return terminal_type;
937 }
938 /*
939 * If the unit is connected to just one input terminal,
940 * the class is UAC_INPUT.
941 */
942 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
943 && iot->inputs[0]->size == 1) {
944 mix->class = UAC_INPUT;
945 return iot->inputs[0]->terminals[0];
946 }
947 /*
948 * Otherwise, the class is UAC_OUTPUT.
949 */
950 mix->class = UAC_OUTPUT;
951 return terminal_type;
952 }
953
954 Static const char *
955 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
956 {
957 int terminal_type;
958
959 terminal_type = uaudio_determine_class(iot, mix);
960 if (mix->class == UAC_RECORD && terminal_type == 0)
961 return AudioNmixerout;
962 DPRINTF(("%s: terminal_type=%s\n", __func__,
963 uaudio_get_terminal_name(terminal_type)));
964 switch (terminal_type) {
965 case UAT_STREAM:
966 return AudioNdac;
967
968 case UATI_MICROPHONE:
969 case UATI_DESKMICROPHONE:
970 case UATI_PERSONALMICROPHONE:
971 case UATI_OMNIMICROPHONE:
972 case UATI_MICROPHONEARRAY:
973 case UATI_PROCMICROPHONEARR:
974 return AudioNmicrophone;
975
976 case UATO_SPEAKER:
977 case UATO_DESKTOPSPEAKER:
978 case UATO_ROOMSPEAKER:
979 case UATO_COMMSPEAKER:
980 return AudioNspeaker;
981
982 case UATO_HEADPHONES:
983 return AudioNheadphone;
984
985 case UATO_SUBWOOFER:
986 return AudioNlfe;
987
988 /* telephony terminal types */
989 case UATT_UNDEFINED:
990 case UATT_PHONELINE:
991 case UATT_TELEPHONE:
992 case UATT_DOWNLINEPHONE:
993 return "phone";
994
995 case UATE_ANALOGCONN:
996 case UATE_LINECONN:
997 case UATE_LEGACYCONN:
998 return AudioNline;
999
1000 case UATE_DIGITALAUIFC:
1001 case UATE_SPDIF:
1002 case UATE_1394DA:
1003 case UATE_1394DV:
1004 return AudioNaux;
1005
1006 case UATF_CDPLAYER:
1007 return AudioNcd;
1008
1009 case UATF_SYNTHESIZER:
1010 return AudioNfmsynth;
1011
1012 case UATF_VIDEODISCAUDIO:
1013 case UATF_DVDAUDIO:
1014 case UATF_TVTUNERAUDIO:
1015 return AudioNvideo;
1016
1017 case UAT_UNDEFINED:
1018 case UAT_VENDOR:
1019 case UATI_UNDEFINED:
1020 /* output terminal types */
1021 case UATO_UNDEFINED:
1022 case UATO_DISPLAYAUDIO:
1023 /* bidir terminal types */
1024 case UATB_UNDEFINED:
1025 case UATB_HANDSET:
1026 case UATB_HEADSET:
1027 case UATB_SPEAKERPHONE:
1028 case UATB_SPEAKERPHONEESUP:
1029 case UATB_SPEAKERPHONEECANC:
1030 /* external terminal types */
1031 case UATE_UNDEFINED:
1032 /* embedded function terminal types */
1033 case UATF_UNDEFINED:
1034 case UATF_CALIBNOISE:
1035 case UATF_EQUNOISE:
1036 case UATF_DAT:
1037 case UATF_DCC:
1038 case UATF_MINIDISK:
1039 case UATF_ANALOGTAPE:
1040 case UATF_PHONOGRAPH:
1041 case UATF_VCRAUDIO:
1042 case UATF_SATELLITE:
1043 case UATF_CABLETUNER:
1044 case UATF_DSS:
1045 case UATF_RADIORECV:
1046 case UATF_RADIOXMIT:
1047 case UATF_MULTITRACK:
1048 case 0xffff:
1049 default:
1050 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1051 return AudioNmaster;
1052 }
1053 return AudioNmaster;
1054 }
1055
1056 Static void
1057 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1058 {
1059 const struct usb_audio_feature_unit *d;
1060 const uByte *ctls;
1061 int ctlsize;
1062 int nchan;
1063 u_int fumask, mmask, cmask;
1064 struct mixerctl mix;
1065 int chan, ctl, i, unit;
1066 const char *mixername;
1067
1068 #define GET(i) (ctls[(i)*ctlsize] | \
1069 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1070 d = iot[id].d.fu;
1071 ctls = d->bmaControls;
1072 ctlsize = d->bControlSize;
1073 nchan = (d->bLength - 7) / ctlsize;
1074 mmask = GET(0);
1075 /* Figure out what we can control */
1076 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1077 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1078 chan, GET(chan)));
1079 cmask |= GET(chan);
1080 }
1081
1082 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1083 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1084 d->bUnitId, nchan, mmask, cmask));
1085
1086 if (nchan > MIX_MAX_CHAN)
1087 nchan = MIX_MAX_CHAN;
1088 unit = d->bUnitId;
1089 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1090 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1091 fumask = FU_MASK(ctl);
1092 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1093 ctl, fumask));
1094 if (mmask & fumask) {
1095 mix.nchan = 1;
1096 mix.wValue[0] = MAKE(ctl, 0);
1097 } else if (cmask & fumask) {
1098 mix.nchan = nchan - 1;
1099 for (i = 1; i < nchan; i++) {
1100 if (GET(i) & fumask)
1101 mix.wValue[i-1] = MAKE(ctl, i);
1102 else
1103 mix.wValue[i-1] = -1;
1104 }
1105 } else {
1106 continue;
1107 }
1108 #undef GET
1109 mixername = uaudio_feature_name(&iot[id], &mix);
1110 switch (ctl) {
1111 case MUTE_CONTROL:
1112 mix.type = MIX_ON_OFF;
1113 mix.ctlunit = "";
1114 snprintf(mix.ctlname, sizeof(mix.ctlname),
1115 "%s.%s", mixername, AudioNmute);
1116 break;
1117 case VOLUME_CONTROL:
1118 mix.type = MIX_SIGNED_16;
1119 mix.ctlunit = AudioNvolume;
1120 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1121 break;
1122 case BASS_CONTROL:
1123 mix.type = MIX_SIGNED_8;
1124 mix.ctlunit = AudioNbass;
1125 snprintf(mix.ctlname, sizeof(mix.ctlname),
1126 "%s.%s", mixername, AudioNbass);
1127 break;
1128 case MID_CONTROL:
1129 mix.type = MIX_SIGNED_8;
1130 mix.ctlunit = AudioNmid;
1131 snprintf(mix.ctlname, sizeof(mix.ctlname),
1132 "%s.%s", mixername, AudioNmid);
1133 break;
1134 case TREBLE_CONTROL:
1135 mix.type = MIX_SIGNED_8;
1136 mix.ctlunit = AudioNtreble;
1137 snprintf(mix.ctlname, sizeof(mix.ctlname),
1138 "%s.%s", mixername, AudioNtreble);
1139 break;
1140 case GRAPHIC_EQUALIZER_CONTROL:
1141 continue; /* XXX don't add anything */
1142 break;
1143 case AGC_CONTROL:
1144 mix.type = MIX_ON_OFF;
1145 mix.ctlunit = "";
1146 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1147 mixername, AudioNagc);
1148 break;
1149 case DELAY_CONTROL:
1150 mix.type = MIX_UNSIGNED_16;
1151 mix.ctlunit = "4 ms";
1152 snprintf(mix.ctlname, sizeof(mix.ctlname),
1153 "%s.%s", mixername, AudioNdelay);
1154 break;
1155 case BASS_BOOST_CONTROL:
1156 mix.type = MIX_ON_OFF;
1157 mix.ctlunit = "";
1158 snprintf(mix.ctlname, sizeof(mix.ctlname),
1159 "%s.%s", mixername, AudioNbassboost);
1160 break;
1161 case LOUDNESS_CONTROL:
1162 mix.type = MIX_ON_OFF;
1163 mix.ctlunit = "";
1164 snprintf(mix.ctlname, sizeof(mix.ctlname),
1165 "%s.%s", mixername, AudioNloudness);
1166 break;
1167 }
1168 uaudio_mixer_add_ctl(sc, &mix);
1169 }
1170 }
1171
1172 Static void
1173 uaudio_add_processing_updown(struct uaudio_softc *sc,
1174 const struct io_terminal *iot, int id)
1175 {
1176 const struct usb_audio_processing_unit *d;
1177 const struct usb_audio_processing_unit_1 *d1;
1178 const struct usb_audio_processing_unit_updown *ud;
1179 struct mixerctl mix;
1180 int i;
1181
1182 d = iot[id].d.pu;
1183 d1 = (const struct usb_audio_processing_unit_1 *)
1184 &d->baSourceId[d->bNrInPins];
1185 ud = (const struct usb_audio_processing_unit_updown *)
1186 &d1->bmControls[d1->bControlSize];
1187 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1188 d->bUnitId, ud->bNrModes));
1189
1190 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1191 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1192 return;
1193 }
1194
1195 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1196 mix.nchan = 1;
1197 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1198 uaudio_determine_class(&iot[id], &mix);
1199 mix.type = MIX_ON_OFF; /* XXX */
1200 mix.ctlunit = "";
1201 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1202
1203 for (i = 0; i < ud->bNrModes; i++) {
1204 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1205 i, UGETW(ud->waModes[i])));
1206 /* XXX */
1207 }
1208 uaudio_mixer_add_ctl(sc, &mix);
1209 }
1210
1211 Static void
1212 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1213 {
1214 const struct usb_audio_processing_unit *d;
1215 const struct usb_audio_processing_unit_1 *d1;
1216 int ptype;
1217 struct mixerctl mix;
1218
1219 d = iot[id].d.pu;
1220 d1 = (const struct usb_audio_processing_unit_1 *)
1221 &d->baSourceId[d->bNrInPins];
1222 ptype = UGETW(d->wProcessType);
1223 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1224 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1225
1226 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1227 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1228 mix.nchan = 1;
1229 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1230 uaudio_determine_class(&iot[id], &mix);
1231 mix.type = MIX_ON_OFF;
1232 mix.ctlunit = "";
1233 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1234 d->bUnitId, ptype);
1235 uaudio_mixer_add_ctl(sc, &mix);
1236 }
1237
1238 switch(ptype) {
1239 case UPDOWNMIX_PROCESS:
1240 uaudio_add_processing_updown(sc, iot, id);
1241 break;
1242 case DOLBY_PROLOGIC_PROCESS:
1243 case P3D_STEREO_EXTENDER_PROCESS:
1244 case REVERBATION_PROCESS:
1245 case CHORUS_PROCESS:
1246 case DYN_RANGE_COMP_PROCESS:
1247 default:
1248 #ifdef UAUDIO_DEBUG
1249 printf("uaudio_add_processing: unit %d, type=%d not impl.\n",
1250 d->bUnitId, ptype);
1251 #endif
1252 break;
1253 }
1254 }
1255
1256 Static void
1257 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1258 {
1259 const struct usb_audio_extension_unit *d;
1260 const struct usb_audio_extension_unit_1 *d1;
1261 struct mixerctl mix;
1262
1263 d = iot[id].d.eu;
1264 d1 = (const struct usb_audio_extension_unit_1 *)
1265 &d->baSourceId[d->bNrInPins];
1266 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1267 d->bUnitId, d->bNrInPins));
1268
1269 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1270 return;
1271
1272 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1273 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1274 mix.nchan = 1;
1275 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1276 uaudio_determine_class(&iot[id], &mix);
1277 mix.type = MIX_ON_OFF;
1278 mix.ctlunit = "";
1279 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1280 d->bUnitId);
1281 uaudio_mixer_add_ctl(sc, &mix);
1282 }
1283 }
1284
1285 Static struct terminal_list*
1286 uaudio_merge_terminal_list(const struct io_terminal *iot)
1287 {
1288 struct terminal_list *tml;
1289 uint16_t *ptm;
1290 int i, len;
1291
1292 len = 0;
1293 if (iot->inputs == NULL)
1294 return NULL;
1295 for (i = 0; i < iot->inputs_size; i++) {
1296 if (iot->inputs[i] != NULL)
1297 len += iot->inputs[i]->size;
1298 }
1299 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1300 if (tml == NULL) {
1301 printf("uaudio_merge_terminal_list: no memory\n");
1302 return NULL;
1303 }
1304 tml->size = 0;
1305 ptm = tml->terminals;
1306 for (i = 0; i < iot->inputs_size; i++) {
1307 if (iot->inputs[i] == NULL)
1308 continue;
1309 if (iot->inputs[i]->size > len)
1310 break;
1311 memcpy(ptm, iot->inputs[i]->terminals,
1312 iot->inputs[i]->size * sizeof(uint16_t));
1313 tml->size += iot->inputs[i]->size;
1314 ptm += iot->inputs[i]->size;
1315 len -= iot->inputs[i]->size;
1316 }
1317 return tml;
1318 }
1319
1320 Static struct terminal_list *
1321 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1322 {
1323 struct terminal_list *tml;
1324 struct io_terminal *it;
1325 int src_id, i;
1326
1327 it = &iot[id];
1328 if (it->output != NULL) {
1329 /* already has outtype? */
1330 for (i = 0; i < it->output->size; i++)
1331 if (it->output->terminals[i] == outtype)
1332 return uaudio_merge_terminal_list(it);
1333 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1334 M_TEMP, M_NOWAIT);
1335 if (tml == NULL) {
1336 printf("uaudio_io_terminaltype: no memory\n");
1337 return uaudio_merge_terminal_list(it);
1338 }
1339 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1340 tml->terminals[it->output->size] = outtype;
1341 tml->size++;
1342 free(it->output, M_TEMP);
1343 it->output = tml;
1344 if (it->inputs != NULL) {
1345 for (i = 0; i < it->inputs_size; i++)
1346 if (it->inputs[i] != NULL)
1347 free(it->inputs[i], M_TEMP);
1348 free(it->inputs, M_TEMP);
1349 }
1350 it->inputs_size = 0;
1351 it->inputs = NULL;
1352 } else { /* end `iot[id] != NULL' */
1353 it->inputs_size = 0;
1354 it->inputs = NULL;
1355 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1356 if (it->output == NULL) {
1357 printf("uaudio_io_terminaltype: no memory\n");
1358 return NULL;
1359 }
1360 it->output->terminals[0] = outtype;
1361 it->output->size = 1;
1362 it->direct = FALSE;
1363 }
1364
1365 switch (it->d.desc->bDescriptorSubtype) {
1366 case UDESCSUB_AC_INPUT:
1367 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1368 if (it->inputs == NULL) {
1369 printf("uaudio_io_terminaltype: no memory\n");
1370 return NULL;
1371 }
1372 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1373 if (tml == NULL) {
1374 printf("uaudio_io_terminaltype: no memory\n");
1375 free(it->inputs, M_TEMP);
1376 it->inputs = NULL;
1377 return NULL;
1378 }
1379 it->inputs[0] = tml;
1380 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1381 tml->size = 1;
1382 it->inputs_size = 1;
1383 return uaudio_merge_terminal_list(it);
1384 case UDESCSUB_AC_FEATURE:
1385 src_id = it->d.fu->bSourceId;
1386 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1387 if (it->inputs == NULL) {
1388 printf("uaudio_io_terminaltype: no memory\n");
1389 return uaudio_io_terminaltype(outtype, iot, src_id);
1390 }
1391 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1392 it->inputs_size = 1;
1393 return uaudio_merge_terminal_list(it);
1394 case UDESCSUB_AC_OUTPUT:
1395 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1396 if (it->inputs == NULL) {
1397 printf("uaudio_io_terminaltype: no memory\n");
1398 return NULL;
1399 }
1400 src_id = it->d.ot->bSourceId;
1401 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1402 it->inputs_size = 1;
1403 iot[src_id].direct = TRUE;
1404 return NULL;
1405 case UDESCSUB_AC_MIXER:
1406 it->inputs_size = 0;
1407 it->inputs = malloc(sizeof(struct terminal_list *)
1408 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1409 if (it->inputs == NULL) {
1410 printf("uaudio_io_terminaltype: no memory\n");
1411 return NULL;
1412 }
1413 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1414 src_id = it->d.mu->baSourceId[i];
1415 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1416 src_id);
1417 it->inputs_size++;
1418 }
1419 return uaudio_merge_terminal_list(it);
1420 case UDESCSUB_AC_SELECTOR:
1421 it->inputs_size = 0;
1422 it->inputs = malloc(sizeof(struct terminal_list *)
1423 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1424 if (it->inputs == NULL) {
1425 printf("uaudio_io_terminaltype: no memory\n");
1426 return NULL;
1427 }
1428 for (i = 0; i < it->d.su->bNrInPins; i++) {
1429 src_id = it->d.su->baSourceId[i];
1430 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1431 src_id);
1432 it->inputs_size++;
1433 }
1434 return uaudio_merge_terminal_list(it);
1435 case UDESCSUB_AC_PROCESSING:
1436 it->inputs_size = 0;
1437 it->inputs = malloc(sizeof(struct terminal_list *)
1438 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1439 if (it->inputs == NULL) {
1440 printf("uaudio_io_terminaltype: no memory\n");
1441 return NULL;
1442 }
1443 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1444 src_id = it->d.pu->baSourceId[i];
1445 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1446 src_id);
1447 it->inputs_size++;
1448 }
1449 return uaudio_merge_terminal_list(it);
1450 case UDESCSUB_AC_EXTENSION:
1451 it->inputs_size = 0;
1452 it->inputs = malloc(sizeof(struct terminal_list *)
1453 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1454 if (it->inputs == NULL) {
1455 printf("uaudio_io_terminaltype: no memory\n");
1456 return NULL;
1457 }
1458 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1459 src_id = it->d.eu->baSourceId[i];
1460 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1461 src_id);
1462 it->inputs_size++;
1463 }
1464 return uaudio_merge_terminal_list(it);
1465 case UDESCSUB_AC_HEADER:
1466 default:
1467 return NULL;
1468 }
1469 }
1470
1471 Static usbd_status
1472 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1473 {
1474 usbd_status err;
1475
1476 err = uaudio_identify_ac(sc, cdesc);
1477 if (err)
1478 return err;
1479 return uaudio_identify_as(sc, cdesc);
1480 }
1481
1482 Static void
1483 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1484 {
1485 size_t len;
1486 struct as_info *nai;
1487
1488 len = sizeof(*ai) * (sc->sc_nalts + 1);
1489 nai = malloc(len, M_USBDEV, M_NOWAIT);
1490 if (nai == NULL) {
1491 printf("uaudio_add_alt: no memory\n");
1492 return;
1493 }
1494 /* Copy old data, if there was any */
1495 if (sc->sc_nalts != 0) {
1496 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1497 free(sc->sc_alts, M_USBDEV);
1498 }
1499 sc->sc_alts = nai;
1500 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1501 ai->alt, ai->encoding));
1502 sc->sc_alts[sc->sc_nalts++] = *ai;
1503 }
1504
1505 Static usbd_status
1506 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1507 int size, const usb_interface_descriptor_t *id)
1508 #define offs (*offsp)
1509 {
1510 const struct usb_audio_streaming_interface_descriptor *asid;
1511 const struct usb_audio_streaming_type1_descriptor *asf1d;
1512 const usb_endpoint_descriptor_audio_t *ed;
1513 const usb_endpoint_descriptor_audio_t *epdesc1;
1514 const struct usb_audio_streaming_endpoint_descriptor *sed;
1515 int format, chan, prec, enc;
1516 int dir, type, sync;
1517 struct as_info ai;
1518 const char *format_str;
1519
1520 asid = (const void *)(tbuf + offs);
1521 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1522 asid->bDescriptorSubtype != AS_GENERAL)
1523 return USBD_INVAL;
1524 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1525 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1526 offs += asid->bLength;
1527 if (offs > size)
1528 return USBD_INVAL;
1529
1530 asf1d = (const void *)(tbuf + offs);
1531 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1532 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1533 return USBD_INVAL;
1534 offs += asf1d->bLength;
1535 if (offs > size)
1536 return USBD_INVAL;
1537
1538 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1539 printf("%s: ignored setting with type %d format\n",
1540 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag));
1541 return USBD_NORMAL_COMPLETION;
1542 }
1543
1544 ed = (const void *)(tbuf + offs);
1545 if (ed->bDescriptorType != UDESC_ENDPOINT)
1546 return USBD_INVAL;
1547 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1548 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1549 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1550 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1551 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1552 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1553 offs += ed->bLength;
1554 if (offs > size)
1555 return USBD_INVAL;
1556 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1557 return USBD_INVAL;
1558
1559 dir = UE_GET_DIR(ed->bEndpointAddress);
1560 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1561 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1562 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1563 type = UE_ISO_ASYNC;
1564
1565 /* We can't handle endpoints that need a sync pipe yet. */
1566 sync = FALSE;
1567 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1568 sync = TRUE;
1569 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1570 printf("%s: ignored input endpoint of type adaptive\n",
1571 USBDEVNAME(sc->sc_dev));
1572 return USBD_NORMAL_COMPLETION;
1573 #endif
1574 }
1575 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1576 sync = TRUE;
1577 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1578 printf("%s: ignored output endpoint of type async\n",
1579 USBDEVNAME(sc->sc_dev));
1580 return USBD_NORMAL_COMPLETION;
1581 #endif
1582 }
1583
1584 sed = (const void *)(tbuf + offs);
1585 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1586 sed->bDescriptorSubtype != AS_GENERAL)
1587 return USBD_INVAL;
1588 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1589 offs += sed->bLength;
1590 if (offs > size)
1591 return USBD_INVAL;
1592
1593 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1594 if (sync && id->bNumEndpoints <= 1) {
1595 printf("%s: a sync-pipe endpoint but no other endpoint\n",
1596 USBDEVNAME(sc->sc_dev));
1597 return USBD_INVAL;
1598 }
1599 #endif
1600 if (!sync && id->bNumEndpoints > 1) {
1601 printf("%s: non sync-pipe endpoint but multiple endpoints\n",
1602 USBDEVNAME(sc->sc_dev));
1603 return USBD_INVAL;
1604 }
1605 epdesc1 = NULL;
1606 if (id->bNumEndpoints > 1) {
1607 epdesc1 = (const void*)(tbuf + offs);
1608 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1609 return USBD_INVAL;
1610 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1611 "bDescriptorType=%d bEndpointAddress=%d "
1612 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1613 "bRefresh=%d bSynchAddress=%d\n",
1614 epdesc1->bLength, epdesc1->bDescriptorType,
1615 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1616 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1617 epdesc1->bRefresh, epdesc1->bSynchAddress));
1618 offs += epdesc1->bLength;
1619 if (offs > size)
1620 return USBD_INVAL;
1621 if (epdesc1->bSynchAddress != 0) {
1622 printf("%s: invalid endpoint: bSynchAddress=0\n",
1623 USBDEVNAME(sc->sc_dev));
1624 return USBD_INVAL;
1625 }
1626 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1627 printf("%s: invalid endpoint: bmAttributes=0x%x\n",
1628 USBDEVNAME(sc->sc_dev), epdesc1->bmAttributes);
1629 return USBD_INVAL;
1630 }
1631 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1632 printf("%s: invalid endpoint addresses: "
1633 "ep[0]->bSynchAddress=0x%x "
1634 "ep[1]->bEndpointAddress=0x%x\n",
1635 USBDEVNAME(sc->sc_dev), ed->bSynchAddress,
1636 epdesc1->bEndpointAddress);
1637 return USBD_INVAL;
1638 }
1639 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1640 }
1641
1642 format = UGETW(asid->wFormatTag);
1643 chan = asf1d->bNrChannels;
1644 prec = asf1d->bBitResolution;
1645 if (prec != 8 && prec != 16 && prec != 24) {
1646 printf("%s: ignored setting with precision %d\n",
1647 USBDEVNAME(sc->sc_dev), prec);
1648 return USBD_NORMAL_COMPLETION;
1649 }
1650 switch (format) {
1651 case UA_FMT_PCM:
1652 if (prec == 8) {
1653 sc->sc_altflags |= HAS_8;
1654 } else if (prec == 16) {
1655 sc->sc_altflags |= HAS_16;
1656 } else if (prec == 24) {
1657 sc->sc_altflags |= HAS_24;
1658 }
1659 enc = AUDIO_ENCODING_SLINEAR_LE;
1660 format_str = "pcm";
1661 break;
1662 case UA_FMT_PCM8:
1663 enc = AUDIO_ENCODING_ULINEAR_LE;
1664 sc->sc_altflags |= HAS_8U;
1665 format_str = "pcm8";
1666 break;
1667 case UA_FMT_ALAW:
1668 enc = AUDIO_ENCODING_ALAW;
1669 sc->sc_altflags |= HAS_ALAW;
1670 format_str = "alaw";
1671 break;
1672 case UA_FMT_MULAW:
1673 enc = AUDIO_ENCODING_ULAW;
1674 sc->sc_altflags |= HAS_MULAW;
1675 format_str = "mulaw";
1676 break;
1677 case UA_FMT_IEEE_FLOAT:
1678 default:
1679 printf("%s: ignored setting with format %d\n",
1680 USBDEVNAME(sc->sc_dev), format);
1681 return USBD_NORMAL_COMPLETION;
1682 }
1683 #ifdef UAUDIO_DEBUG
1684 printf("%s: %s: %dch, %d/%dbit, %s,", USBDEVNAME(sc->sc_dev),
1685 dir == UE_DIR_IN ? "recording" : "playback",
1686 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1687 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1688 printf(" %d-%dHz\n", UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d));
1689 } else {
1690 int r;
1691 printf(" %d", UA_GETSAMP(asf1d, 0));
1692 for (r = 1; r < asf1d->bSamFreqType; r++)
1693 printf(",%d", UA_GETSAMP(asf1d, r));
1694 printf("Hz\n");
1695 }
1696 #endif
1697 ai.alt = id->bAlternateSetting;
1698 ai.encoding = enc;
1699 ai.attributes = sed->bmAttributes;
1700 ai.idesc = id;
1701 ai.edesc = ed;
1702 ai.edesc1 = epdesc1;
1703 ai.asf1desc = asf1d;
1704 ai.sc_busy = 0;
1705 ai.aformat = NULL;
1706 ai.ifaceh = NULL;
1707 uaudio_add_alt(sc, &ai);
1708 #ifdef UAUDIO_DEBUG
1709 if (ai.attributes & UA_SED_FREQ_CONTROL)
1710 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1711 if (ai.attributes & UA_SED_PITCH_CONTROL)
1712 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1713 #endif
1714 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1715
1716 return USBD_NORMAL_COMPLETION;
1717 }
1718 #undef offs
1719
1720 Static usbd_status
1721 uaudio_identify_as(struct uaudio_softc *sc,
1722 const usb_config_descriptor_t *cdesc)
1723 {
1724 const usb_interface_descriptor_t *id;
1725 const char *tbuf;
1726 struct audio_format *auf;
1727 const struct usb_audio_streaming_type1_descriptor *t1desc;
1728 int size, offs;
1729 int i, j;
1730
1731 size = UGETW(cdesc->wTotalLength);
1732 tbuf = (const char *)cdesc;
1733
1734 /* Locate the AudioStreaming interface descriptor. */
1735 offs = 0;
1736 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1737 if (id == NULL)
1738 return USBD_INVAL;
1739
1740 /* Loop through all the alternate settings. */
1741 while (offs <= size) {
1742 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1743 id->bInterfaceNumber, offs));
1744 switch (id->bNumEndpoints) {
1745 case 0:
1746 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1747 id->bAlternateSetting));
1748 sc->sc_nullalt = id->bAlternateSetting;
1749 break;
1750 case 1:
1751 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1752 case 2:
1753 #endif
1754 uaudio_process_as(sc, tbuf, &offs, size, id);
1755 break;
1756 default:
1757 printf("%s: ignored audio interface with %d "
1758 "endpoints\n",
1759 USBDEVNAME(sc->sc_dev), id->bNumEndpoints);
1760 break;
1761 }
1762 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1763 if (id == NULL)
1764 break;
1765 }
1766 if (offs > size)
1767 return USBD_INVAL;
1768 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1769
1770 if (sc->sc_mode == 0) {
1771 printf("%s: no usable endpoint found\n",
1772 USBDEVNAME(sc->sc_dev));
1773 return USBD_INVAL;
1774 }
1775
1776 /* build audio_format array */
1777 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1778 M_USBDEV, M_NOWAIT);
1779 if (sc->sc_formats == NULL)
1780 return USBD_NOMEM;
1781 sc->sc_nformats = sc->sc_nalts;
1782 for (i = 0; i < sc->sc_nalts; i++) {
1783 auf = &sc->sc_formats[i];
1784 t1desc = sc->sc_alts[i].asf1desc;
1785 auf->driver_data = NULL;
1786 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1787 auf->mode = AUMODE_PLAY;
1788 else
1789 auf->mode = AUMODE_RECORD;
1790 auf->encoding = sc->sc_alts[i].encoding;
1791 auf->validbits = t1desc->bBitResolution;
1792 auf->precision = t1desc->bSubFrameSize * 8;
1793 auf->channels = t1desc->bNrChannels;
1794 auf->channel_mask = sc->sc_channel_config;
1795 auf->frequency_type = t1desc->bSamFreqType;
1796 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1797 auf->frequency[0] = UA_SAMP_LO(t1desc);
1798 auf->frequency[1] = UA_SAMP_HI(t1desc);
1799 } else {
1800 for (j = 0; j < t1desc->bSamFreqType; j++) {
1801 if (j >= AUFMT_MAX_FREQUENCIES) {
1802 printf("%s: please increase "
1803 "AUFMT_MAX_FREQUENCIES to %d\n",
1804 __func__, t1desc->bSamFreqType);
1805 break;
1806 }
1807 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1808 }
1809 }
1810 sc->sc_alts[i].aformat = auf;
1811 }
1812
1813 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1814 &sc->sc_encodings)) {
1815 free(sc->sc_formats, M_DEVBUF);
1816 sc->sc_formats = NULL;
1817 return ENOMEM;
1818 }
1819
1820 return USBD_NORMAL_COMPLETION;
1821 }
1822
1823 Static usbd_status
1824 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1825 {
1826 struct io_terminal* iot;
1827 const usb_interface_descriptor_t *id;
1828 const struct usb_audio_control_descriptor *acdp;
1829 const uaudio_cs_descriptor_t *dp;
1830 const struct usb_audio_output_terminal *pot;
1831 struct terminal_list *tml;
1832 const char *tbuf, *ibuf, *ibufend;
1833 int size, offs, aclen, ndps, i, j;
1834
1835 size = UGETW(cdesc->wTotalLength);
1836 tbuf = (const char *)cdesc;
1837
1838 /* Locate the AudioControl interface descriptor. */
1839 offs = 0;
1840 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1841 if (id == NULL)
1842 return USBD_INVAL;
1843 if (offs + sizeof *acdp > size)
1844 return USBD_INVAL;
1845 sc->sc_ac_iface = id->bInterfaceNumber;
1846 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1847
1848 /* A class-specific AC interface header should follow. */
1849 ibuf = tbuf + offs;
1850 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1851 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1852 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1853 return USBD_INVAL;
1854 aclen = UGETW(acdp->wTotalLength);
1855 if (offs + aclen > size)
1856 return USBD_INVAL;
1857
1858 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1859 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1860 return USBD_INVAL;
1861
1862 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1863 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1864 sc->sc_audio_rev, aclen));
1865
1866 sc->sc_nullalt = -1;
1867
1868 /* Scan through all the AC specific descriptors */
1869 ibufend = ibuf + aclen;
1870 dp = (const uaudio_cs_descriptor_t *)ibuf;
1871 ndps = 0;
1872 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1873 if (iot == NULL) {
1874 printf("%s: no memory\n", __func__);
1875 return USBD_NOMEM;
1876 }
1877 for (;;) {
1878 ibuf += dp->bLength;
1879 if (ibuf >= ibufend)
1880 break;
1881 dp = (const uaudio_cs_descriptor_t *)ibuf;
1882 if (ibuf + dp->bLength > ibufend) {
1883 free(iot, M_TEMP);
1884 return USBD_INVAL;
1885 }
1886 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1887 printf("uaudio_identify_ac: skip desc type=0x%02x\n",
1888 dp->bDescriptorType);
1889 continue;
1890 }
1891 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1892 iot[i].d.desc = dp;
1893 if (i > ndps)
1894 ndps = i;
1895 }
1896 ndps++;
1897
1898 /* construct io_terminal */
1899 for (i = 0; i < ndps; i++) {
1900 dp = iot[i].d.desc;
1901 if (dp == NULL)
1902 continue;
1903 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1904 continue;
1905 pot = iot[i].d.ot;
1906 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1907 if (tml != NULL)
1908 free(tml, M_TEMP);
1909 }
1910
1911 #ifdef UAUDIO_DEBUG
1912 for (i = 0; i < 256; i++) {
1913 struct usb_audio_cluster cluster;
1914
1915 if (iot[i].d.desc == NULL)
1916 continue;
1917 logprintf("id %d:\t", i);
1918 switch (iot[i].d.desc->bDescriptorSubtype) {
1919 case UDESCSUB_AC_INPUT:
1920 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1921 (UGETW(iot[i].d.it->wTerminalType)));
1922 logprintf("\t");
1923 cluster = uaudio_get_cluster(i, iot);
1924 uaudio_dump_cluster(&cluster);
1925 logprintf("\n");
1926 break;
1927 case UDESCSUB_AC_OUTPUT:
1928 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1929 (UGETW(iot[i].d.ot->wTerminalType)));
1930 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1931 break;
1932 case UDESCSUB_AC_MIXER:
1933 logprintf("AC_MIXER src=");
1934 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1935 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1936 logprintf("\n\t");
1937 cluster = uaudio_get_cluster(i, iot);
1938 uaudio_dump_cluster(&cluster);
1939 logprintf("\n");
1940 break;
1941 case UDESCSUB_AC_SELECTOR:
1942 logprintf("AC_SELECTOR src=");
1943 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1944 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1945 logprintf("\n");
1946 break;
1947 case UDESCSUB_AC_FEATURE:
1948 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1949 break;
1950 case UDESCSUB_AC_PROCESSING:
1951 logprintf("AC_PROCESSING src=");
1952 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1953 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1954 logprintf("\n\t");
1955 cluster = uaudio_get_cluster(i, iot);
1956 uaudio_dump_cluster(&cluster);
1957 logprintf("\n");
1958 break;
1959 case UDESCSUB_AC_EXTENSION:
1960 logprintf("AC_EXTENSION src=");
1961 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1962 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1963 logprintf("\n\t");
1964 cluster = uaudio_get_cluster(i, iot);
1965 uaudio_dump_cluster(&cluster);
1966 logprintf("\n");
1967 break;
1968 default:
1969 logprintf("unknown audio control (subtype=%d)\n",
1970 iot[i].d.desc->bDescriptorSubtype);
1971 }
1972 for (j = 0; j < iot[i].inputs_size; j++) {
1973 int k;
1974 logprintf("\tinput%d: ", j);
1975 tml = iot[i].inputs[j];
1976 if (tml == NULL) {
1977 logprintf("NULL\n");
1978 continue;
1979 }
1980 for (k = 0; k < tml->size; k++)
1981 logprintf("%s ", uaudio_get_terminal_name
1982 (tml->terminals[k]));
1983 logprintf("\n");
1984 }
1985 logprintf("\toutput: ");
1986 tml = iot[i].output;
1987 for (j = 0; j < tml->size; j++)
1988 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
1989 logprintf("\n");
1990 }
1991 #endif
1992
1993 for (i = 0; i < ndps; i++) {
1994 dp = iot[i].d.desc;
1995 if (dp == NULL)
1996 continue;
1997 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
1998 i, dp->bDescriptorSubtype));
1999 switch (dp->bDescriptorSubtype) {
2000 case UDESCSUB_AC_HEADER:
2001 printf("uaudio_identify_ac: unexpected AC header\n");
2002 break;
2003 case UDESCSUB_AC_INPUT:
2004 uaudio_add_input(sc, iot, i);
2005 break;
2006 case UDESCSUB_AC_OUTPUT:
2007 uaudio_add_output(sc, iot, i);
2008 break;
2009 case UDESCSUB_AC_MIXER:
2010 uaudio_add_mixer(sc, iot, i);
2011 break;
2012 case UDESCSUB_AC_SELECTOR:
2013 uaudio_add_selector(sc, iot, i);
2014 break;
2015 case UDESCSUB_AC_FEATURE:
2016 uaudio_add_feature(sc, iot, i);
2017 break;
2018 case UDESCSUB_AC_PROCESSING:
2019 uaudio_add_processing(sc, iot, i);
2020 break;
2021 case UDESCSUB_AC_EXTENSION:
2022 uaudio_add_extension(sc, iot, i);
2023 break;
2024 default:
2025 printf("uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2026 dp->bDescriptorSubtype);
2027 break;
2028 }
2029 }
2030
2031 /* delete io_terminal */
2032 for (i = 0; i < 256; i++) {
2033 if (iot[i].d.desc == NULL)
2034 continue;
2035 if (iot[i].inputs != NULL) {
2036 for (j = 0; j < iot[i].inputs_size; j++) {
2037 if (iot[i].inputs[j] != NULL)
2038 free(iot[i].inputs[j], M_TEMP);
2039 }
2040 free(iot[i].inputs, M_TEMP);
2041 }
2042 if (iot[i].output != NULL)
2043 free(iot[i].output, M_TEMP);
2044 iot[i].d.desc = NULL;
2045 }
2046 free(iot, M_TEMP);
2047
2048 return USBD_NORMAL_COMPLETION;
2049 }
2050
2051 Static int
2052 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2053 {
2054 struct uaudio_softc *sc;
2055 struct mixerctl *mc;
2056 int n, nctls, i;
2057
2058 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2059 sc = addr;
2060 if (sc->sc_dying)
2061 return EIO;
2062
2063 n = mi->index;
2064 nctls = sc->sc_nctls;
2065
2066 switch (n) {
2067 case UAC_OUTPUT:
2068 mi->type = AUDIO_MIXER_CLASS;
2069 mi->mixer_class = UAC_OUTPUT;
2070 mi->next = mi->prev = AUDIO_MIXER_LAST;
2071 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2072 return 0;
2073 case UAC_INPUT:
2074 mi->type = AUDIO_MIXER_CLASS;
2075 mi->mixer_class = UAC_INPUT;
2076 mi->next = mi->prev = AUDIO_MIXER_LAST;
2077 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2078 return 0;
2079 case UAC_EQUAL:
2080 mi->type = AUDIO_MIXER_CLASS;
2081 mi->mixer_class = UAC_EQUAL;
2082 mi->next = mi->prev = AUDIO_MIXER_LAST;
2083 strlcpy(mi->label.name, AudioCequalization,
2084 sizeof(mi->label.name));
2085 return 0;
2086 case UAC_RECORD:
2087 mi->type = AUDIO_MIXER_CLASS;
2088 mi->mixer_class = UAC_RECORD;
2089 mi->next = mi->prev = AUDIO_MIXER_LAST;
2090 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2091 return 0;
2092 default:
2093 break;
2094 }
2095
2096 n -= UAC_NCLASSES;
2097 if (n < 0 || n >= nctls)
2098 return ENXIO;
2099
2100 mc = &sc->sc_ctls[n];
2101 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2102 mi->mixer_class = mc->class;
2103 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2104 switch (mc->type) {
2105 case MIX_ON_OFF:
2106 mi->type = AUDIO_MIXER_ENUM;
2107 mi->un.e.num_mem = 2;
2108 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2109 sizeof(mi->un.e.member[0].label.name));
2110 mi->un.e.member[0].ord = 0;
2111 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2112 sizeof(mi->un.e.member[1].label.name));
2113 mi->un.e.member[1].ord = 1;
2114 break;
2115 case MIX_SELECTOR:
2116 mi->type = AUDIO_MIXER_ENUM;
2117 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2118 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2119 snprintf(mi->un.e.member[i].label.name,
2120 sizeof(mi->un.e.member[i].label.name),
2121 "%d", i + mc->minval);
2122 mi->un.e.member[i].ord = i + mc->minval;
2123 }
2124 break;
2125 default:
2126 mi->type = AUDIO_MIXER_VALUE;
2127 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2128 mi->un.v.num_channels = mc->nchan;
2129 mi->un.v.delta = mc->delta;
2130 break;
2131 }
2132 return 0;
2133 }
2134
2135 Static int
2136 uaudio_open(void *addr, int flags)
2137 {
2138 struct uaudio_softc *sc;
2139
2140 sc = addr;
2141 DPRINTF(("uaudio_open: sc=%p\n", sc));
2142 if (sc->sc_dying)
2143 return EIO;
2144
2145 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2146 return EACCES;
2147 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2148 return EACCES;
2149
2150 return 0;
2151 }
2152
2153 /*
2154 * Close function is called at splaudio().
2155 */
2156 Static void
2157 uaudio_close(void *addr)
2158 {
2159 }
2160
2161 Static int
2162 uaudio_drain(void *addr)
2163 {
2164 struct uaudio_softc *sc;
2165
2166 sc = addr;
2167 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2168
2169 return 0;
2170 }
2171
2172 Static int
2173 uaudio_halt_out_dma(void *addr)
2174 {
2175 struct uaudio_softc *sc;
2176
2177 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2178 sc = addr;
2179 if (sc->sc_playchan.pipe != NULL) {
2180 uaudio_chan_close(sc, &sc->sc_playchan);
2181 sc->sc_playchan.pipe = NULL;
2182 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2183 sc->sc_playchan.intr = NULL;
2184 }
2185 return 0;
2186 }
2187
2188 Static int
2189 uaudio_halt_in_dma(void *addr)
2190 {
2191 struct uaudio_softc *sc;
2192
2193 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2194 sc = addr;
2195 if (sc->sc_recchan.pipe != NULL) {
2196 uaudio_chan_close(sc, &sc->sc_recchan);
2197 sc->sc_recchan.pipe = NULL;
2198 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2199 sc->sc_recchan.intr = NULL;
2200 }
2201 return 0;
2202 }
2203
2204 Static int
2205 uaudio_getdev(void *addr, struct audio_device *retp)
2206 {
2207 struct uaudio_softc *sc;
2208
2209 DPRINTF(("uaudio_mixer_getdev:\n"));
2210 sc = addr;
2211 if (sc->sc_dying)
2212 return EIO;
2213
2214 *retp = uaudio_device;
2215 return 0;
2216 }
2217
2218 /*
2219 * Make sure the block size is large enough to hold all outstanding transfers.
2220 */
2221 Static int
2222 uaudio_round_blocksize(void *addr, int blk,
2223 int mode, const audio_params_t *param)
2224 {
2225 struct uaudio_softc *sc;
2226 int b;
2227
2228 sc = addr;
2229 DPRINTF(("uaudio_round_blocksize: blk=%d mode=%s\n", blk,
2230 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"));
2231
2232 /* chan.bytes_per_frame can be 0. */
2233 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2234 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2235
2236 /*
2237 * This does not make accurate value in the case
2238 * of b % USB_FRAMES_PER_SECOND != 0
2239 */
2240 b /= USB_FRAMES_PER_SECOND;
2241
2242 b *= param->precision / 8 * param->channels;
2243 } else {
2244 /*
2245 * use wMaxPacketSize in bytes_per_frame.
2246 * See uaudio_set_params() and uaudio_chan_init()
2247 */
2248 b = sc->sc_recchan.bytes_per_frame
2249 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2250 }
2251
2252 if (b <= 0)
2253 b = 1;
2254 blk = blk <= b ? b : blk / b * b;
2255
2256 #ifdef DIAGNOSTIC
2257 if (blk <= 0) {
2258 printf("uaudio_round_blocksize: blk=%d\n", blk);
2259 blk = 512;
2260 }
2261 #endif
2262
2263 DPRINTF(("uaudio_round_blocksize: resultant blk=%d\n", blk));
2264 return blk;
2265 }
2266
2267 Static int
2268 uaudio_get_props(void *addr)
2269 {
2270 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2271
2272 }
2273
2274 Static int
2275 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2276 int wIndex, int len)
2277 {
2278 usb_device_request_t req;
2279 u_int8_t data[4];
2280 usbd_status err;
2281 int val;
2282
2283 if (wValue == -1)
2284 return 0;
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 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2292 "wIndex=0x%04x len=%d\n",
2293 type, which, wValue, wIndex, len));
2294 err = usbd_do_request(sc->sc_udev, &req, data);
2295 if (err) {
2296 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2297 return -1;
2298 }
2299 switch (len) {
2300 case 1:
2301 val = data[0];
2302 break;
2303 case 2:
2304 val = data[0] | (data[1] << 8);
2305 break;
2306 default:
2307 DPRINTF(("uaudio_get: bad length=%d\n", len));
2308 return -1;
2309 }
2310 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2311 return val;
2312 }
2313
2314 Static void
2315 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2316 int wIndex, int len, int val)
2317 {
2318 usb_device_request_t req;
2319 u_int8_t data[4];
2320 usbd_status err;
2321
2322 if (wValue == -1)
2323 return;
2324
2325 req.bmRequestType = type;
2326 req.bRequest = which;
2327 USETW(req.wValue, wValue);
2328 USETW(req.wIndex, wIndex);
2329 USETW(req.wLength, len);
2330 switch (len) {
2331 case 1:
2332 data[0] = val;
2333 break;
2334 case 2:
2335 data[0] = val;
2336 data[1] = val >> 8;
2337 break;
2338 default:
2339 return;
2340 }
2341 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2342 "wIndex=0x%04x len=%d, val=%d\n",
2343 type, which, wValue, wIndex, len, val & 0xffff));
2344 err = usbd_do_request(sc->sc_udev, &req, data);
2345 #ifdef UAUDIO_DEBUG
2346 if (err)
2347 DPRINTF(("uaudio_set: err=%d\n", err));
2348 #endif
2349 }
2350
2351 Static int
2352 uaudio_signext(int type, int val)
2353 {
2354 if (!MIX_UNSIGNED(type)) {
2355 if (MIX_SIZE(type) == 2)
2356 val = (int16_t)val;
2357 else
2358 val = (int8_t)val;
2359 }
2360 return val;
2361 }
2362
2363 Static int
2364 uaudio_value2bsd(struct mixerctl *mc, int val)
2365 {
2366 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2367 mc->type, val, mc->minval, mc->maxval));
2368 if (mc->type == MIX_ON_OFF) {
2369 val = (val != 0);
2370 } else if (mc->type == MIX_SELECTOR) {
2371 if (val < mc->minval || val > mc->maxval)
2372 val = mc->minval;
2373 } else
2374 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2375 + mc->mul/2) / mc->mul;
2376 DPRINTFN(5, ("val'=%d\n", val));
2377 return val;
2378 }
2379
2380 int
2381 uaudio_bsd2value(struct mixerctl *mc, int val)
2382 {
2383 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2384 mc->type, val, mc->minval, mc->maxval));
2385 if (mc->type == MIX_ON_OFF) {
2386 val = (val != 0);
2387 } else if (mc->type == MIX_SELECTOR) {
2388 if (val < mc->minval || val > mc->maxval)
2389 val = mc->minval;
2390 } else
2391 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2392 DPRINTFN(5, ("val'=%d\n", val));
2393 return val;
2394 }
2395
2396 Static int
2397 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2398 int chan)
2399 {
2400 int val;
2401
2402 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2403 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2404 mc->wIndex, MIX_SIZE(mc->type));
2405 return uaudio_value2bsd(mc, val);
2406 }
2407
2408 Static void
2409 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2410 int chan, int val)
2411 {
2412 val = uaudio_bsd2value(mc, val);
2413 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2414 mc->wIndex, MIX_SIZE(mc->type), val);
2415 }
2416
2417 Static int
2418 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2419 {
2420 struct uaudio_softc *sc;
2421 struct mixerctl *mc;
2422 int i, n, vals[MIX_MAX_CHAN], val;
2423
2424 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2425 sc = addr;
2426 if (sc->sc_dying)
2427 return EIO;
2428
2429 n = cp->dev - UAC_NCLASSES;
2430 if (n < 0 || n >= sc->sc_nctls)
2431 return ENXIO;
2432 mc = &sc->sc_ctls[n];
2433
2434 if (mc->type == MIX_ON_OFF) {
2435 if (cp->type != AUDIO_MIXER_ENUM)
2436 return EINVAL;
2437 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2438 } else if (mc->type == MIX_SELECTOR) {
2439 if (cp->type != AUDIO_MIXER_ENUM)
2440 return EINVAL;
2441 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2442 } else {
2443 if (cp->type != AUDIO_MIXER_VALUE)
2444 return EINVAL;
2445 if (cp->un.value.num_channels != 1 &&
2446 cp->un.value.num_channels != mc->nchan)
2447 return EINVAL;
2448 for (i = 0; i < mc->nchan; i++)
2449 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2450 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2451 for (val = 0, i = 0; i < mc->nchan; i++)
2452 val += vals[i];
2453 vals[0] = val / mc->nchan;
2454 }
2455 for (i = 0; i < cp->un.value.num_channels; i++)
2456 cp->un.value.level[i] = vals[i];
2457 }
2458
2459 return 0;
2460 }
2461
2462 Static int
2463 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2464 {
2465 struct uaudio_softc *sc;
2466 struct mixerctl *mc;
2467 int i, n, vals[MIX_MAX_CHAN];
2468
2469 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2470 sc = addr;
2471 if (sc->sc_dying)
2472 return EIO;
2473
2474 n = cp->dev - UAC_NCLASSES;
2475 if (n < 0 || n >= sc->sc_nctls)
2476 return ENXIO;
2477 mc = &sc->sc_ctls[n];
2478
2479 if (mc->type == MIX_ON_OFF) {
2480 if (cp->type != AUDIO_MIXER_ENUM)
2481 return EINVAL;
2482 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2483 } else if (mc->type == MIX_SELECTOR) {
2484 if (cp->type != AUDIO_MIXER_ENUM)
2485 return EINVAL;
2486 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2487 } else {
2488 if (cp->type != AUDIO_MIXER_VALUE)
2489 return EINVAL;
2490 if (cp->un.value.num_channels == 1)
2491 for (i = 0; i < mc->nchan; i++)
2492 vals[i] = cp->un.value.level[0];
2493 else if (cp->un.value.num_channels == mc->nchan)
2494 for (i = 0; i < mc->nchan; i++)
2495 vals[i] = cp->un.value.level[i];
2496 else
2497 return EINVAL;
2498 for (i = 0; i < mc->nchan; i++)
2499 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2500 }
2501 return 0;
2502 }
2503
2504 Static int
2505 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2506 void (*intr)(void *), void *arg,
2507 const audio_params_t *param)
2508 {
2509 struct uaudio_softc *sc;
2510 struct chan *ch;
2511 usbd_status err;
2512 int i, s;
2513
2514 sc = addr;
2515 if (sc->sc_dying)
2516 return EIO;
2517
2518 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2519 "blksize=%d\n", sc, start, end, blksize));
2520 ch = &sc->sc_recchan;
2521 uaudio_chan_set_param(ch, start, end, blksize);
2522 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2523 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2524 ch->fraction));
2525
2526 err = uaudio_chan_alloc_buffers(sc, ch);
2527 if (err)
2528 return EIO;
2529
2530 err = uaudio_chan_open(sc, ch);
2531 if (err) {
2532 uaudio_chan_free_buffers(sc, ch);
2533 return EIO;
2534 }
2535
2536 ch->intr = intr;
2537 ch->arg = arg;
2538
2539 s = splusb();
2540 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2541 uaudio_chan_rtransfer(ch);
2542 splx(s);
2543
2544 return 0;
2545 }
2546
2547 Static int
2548 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2549 void (*intr)(void *), void *arg,
2550 const audio_params_t *param)
2551 {
2552 struct uaudio_softc *sc;
2553 struct chan *ch;
2554 usbd_status err;
2555 int i, s;
2556
2557 sc = addr;
2558 if (sc->sc_dying)
2559 return EIO;
2560
2561 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2562 "blksize=%d\n", sc, start, end, blksize));
2563 ch = &sc->sc_playchan;
2564 uaudio_chan_set_param(ch, start, end, blksize);
2565 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2566 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2567 ch->fraction));
2568
2569 err = uaudio_chan_alloc_buffers(sc, ch);
2570 if (err)
2571 return EIO;
2572
2573 err = uaudio_chan_open(sc, ch);
2574 if (err) {
2575 uaudio_chan_free_buffers(sc, ch);
2576 return EIO;
2577 }
2578
2579 ch->intr = intr;
2580 ch->arg = arg;
2581
2582 s = splusb();
2583 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2584 uaudio_chan_ptransfer(ch);
2585 splx(s);
2586
2587 return 0;
2588 }
2589
2590 /* Set up a pipe for a channel. */
2591 Static usbd_status
2592 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2593 {
2594 struct as_info *as;
2595 int endpt;
2596 usbd_status err;
2597
2598 as = &sc->sc_alts[ch->altidx];
2599 endpt = as->edesc->bEndpointAddress;
2600 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2601 endpt, ch->sample_rate, as->alt));
2602
2603 /* Set alternate interface corresponding to the mode. */
2604 err = usbd_set_interface(as->ifaceh, as->alt);
2605 if (err)
2606 return err;
2607
2608 /*
2609 * If just one sampling rate is supported,
2610 * no need to call uaudio_set_speed().
2611 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2612 */
2613 if (as->asf1desc->bSamFreqType != 1) {
2614 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2615 if (err) {
2616 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2617 usbd_errstr(err)));
2618 }
2619 }
2620
2621 ch->pipe = 0;
2622 ch->sync_pipe = 0;
2623 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2624 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2625 if (err)
2626 return err;
2627 if (as->edesc1 != NULL) {
2628 endpt = as->edesc1->bEndpointAddress;
2629 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2630 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2631 }
2632 return err;
2633 }
2634
2635 Static void
2636 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2637 {
2638 struct as_info *as;
2639
2640 as = &sc->sc_alts[ch->altidx];
2641 as->sc_busy = 0;
2642 AUFMT_VALIDATE(as->aformat);
2643 if (sc->sc_nullalt >= 0) {
2644 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2645 sc->sc_nullalt));
2646 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2647 }
2648 if (ch->pipe) {
2649 usbd_abort_pipe(ch->pipe);
2650 usbd_close_pipe(ch->pipe);
2651 }
2652 if (ch->sync_pipe) {
2653 usbd_abort_pipe(ch->sync_pipe);
2654 usbd_close_pipe(ch->sync_pipe);
2655 }
2656 }
2657
2658 Static usbd_status
2659 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2660 {
2661 usbd_xfer_handle xfer;
2662 void *tbuf;
2663 int i, size;
2664
2665 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2666 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2667 xfer = usbd_alloc_xfer(sc->sc_udev);
2668 if (xfer == 0)
2669 goto bad;
2670 ch->chanbufs[i].xfer = xfer;
2671 tbuf = usbd_alloc_buffer(xfer, size);
2672 if (tbuf == 0) {
2673 i++;
2674 goto bad;
2675 }
2676 ch->chanbufs[i].buffer = tbuf;
2677 ch->chanbufs[i].chan = ch;
2678 }
2679
2680 return USBD_NORMAL_COMPLETION;
2681
2682 bad:
2683 while (--i >= 0)
2684 /* implicit buffer free */
2685 usbd_free_xfer(ch->chanbufs[i].xfer);
2686 return USBD_NOMEM;
2687 }
2688
2689 Static void
2690 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2691 {
2692 int i;
2693
2694 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2695 usbd_free_xfer(ch->chanbufs[i].xfer);
2696 }
2697
2698 /* Called at splusb() */
2699 Static void
2700 uaudio_chan_ptransfer(struct chan *ch)
2701 {
2702 struct chanbuf *cb;
2703 int i, n, size, residue, total;
2704
2705 if (ch->sc->sc_dying)
2706 return;
2707
2708 /* Pick the next channel buffer. */
2709 cb = &ch->chanbufs[ch->curchanbuf];
2710 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2711 ch->curchanbuf = 0;
2712
2713 /* Compute the size of each frame in the next transfer. */
2714 residue = ch->residue;
2715 total = 0;
2716 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2717 size = ch->bytes_per_frame;
2718 residue += ch->fraction;
2719 if (residue >= USB_FRAMES_PER_SECOND) {
2720 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2721 size += ch->sample_size;
2722 residue -= USB_FRAMES_PER_SECOND;
2723 }
2724 cb->sizes[i] = size;
2725 total += size;
2726 }
2727 ch->residue = residue;
2728 cb->size = total;
2729
2730 /*
2731 * Transfer data from upper layer buffer to channel buffer, taking
2732 * care of wrapping the upper layer buffer.
2733 */
2734 n = min(total, ch->end - ch->cur);
2735 memcpy(cb->buffer, ch->cur, n);
2736 ch->cur += n;
2737 if (ch->cur >= ch->end)
2738 ch->cur = ch->start;
2739 if (total > n) {
2740 total -= n;
2741 memcpy(cb->buffer + n, ch->cur, total);
2742 ch->cur += total;
2743 }
2744
2745 #ifdef UAUDIO_DEBUG
2746 if (uaudiodebug > 8) {
2747 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2748 cb->buffer, ch->residue));
2749 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2750 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2751 }
2752 }
2753 #endif
2754
2755 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2756 /* Fill the request */
2757 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2758 UAUDIO_NFRAMES, USBD_NO_COPY,
2759 uaudio_chan_pintr);
2760
2761 (void)usbd_transfer(cb->xfer);
2762 }
2763
2764 Static void
2765 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2766 usbd_status status)
2767 {
2768 struct chanbuf *cb;
2769 struct chan *ch;
2770 uint32_t count;
2771 int s;
2772
2773 cb = priv;
2774 ch = cb->chan;
2775 /* Return if we are aborting. */
2776 if (status == USBD_CANCELLED)
2777 return;
2778
2779 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2780 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2781 count, ch->transferred));
2782 #ifdef DIAGNOSTIC
2783 if (count != cb->size) {
2784 printf("uaudio_chan_pintr: count(%d) != size(%d)\n",
2785 count, cb->size);
2786 }
2787 #endif
2788
2789 ch->transferred += cb->size;
2790 s = splaudio();
2791 /* Call back to upper layer */
2792 while (ch->transferred >= ch->blksize) {
2793 ch->transferred -= ch->blksize;
2794 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2795 ch->intr, ch->arg));
2796 ch->intr(ch->arg);
2797 }
2798 splx(s);
2799
2800 /* start next transfer */
2801 uaudio_chan_ptransfer(ch);
2802 }
2803
2804 /* Called at splusb() */
2805 Static void
2806 uaudio_chan_rtransfer(struct chan *ch)
2807 {
2808 struct chanbuf *cb;
2809 int i, size, residue, total;
2810
2811 if (ch->sc->sc_dying)
2812 return;
2813
2814 /* Pick the next channel buffer. */
2815 cb = &ch->chanbufs[ch->curchanbuf];
2816 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2817 ch->curchanbuf = 0;
2818
2819 /* Compute the size of each frame in the next transfer. */
2820 residue = ch->residue;
2821 total = 0;
2822 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2823 size = ch->bytes_per_frame;
2824 cb->sizes[i] = size;
2825 cb->offsets[i] = total;
2826 total += size;
2827 }
2828 ch->residue = residue;
2829 cb->size = total;
2830
2831 #ifdef UAUDIO_DEBUG
2832 if (uaudiodebug > 8) {
2833 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2834 cb->buffer, ch->residue));
2835 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2836 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2837 }
2838 }
2839 #endif
2840
2841 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2842 /* Fill the request */
2843 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2844 UAUDIO_NFRAMES, USBD_NO_COPY,
2845 uaudio_chan_rintr);
2846
2847 (void)usbd_transfer(cb->xfer);
2848 }
2849
2850 Static void
2851 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2852 usbd_status status)
2853 {
2854 struct chanbuf *cb;
2855 struct chan *ch;
2856 uint32_t count;
2857 int s, i, n, frsize;
2858
2859 cb = priv;
2860 ch = cb->chan;
2861 /* Return if we are aborting. */
2862 if (status == USBD_CANCELLED)
2863 return;
2864
2865 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2866 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2867 count, ch->transferred));
2868
2869 /* count < cb->size is normal for asynchronous source */
2870 #ifdef DIAGNOSTIC
2871 if (count > cb->size) {
2872 printf("uaudio_chan_rintr: count(%d) > size(%d)\n",
2873 count, cb->size);
2874 }
2875 #endif
2876
2877 /*
2878 * Transfer data from channel buffer to upper layer buffer, taking
2879 * care of wrapping the upper layer buffer.
2880 */
2881 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2882 frsize = cb->sizes[i];
2883 n = min(frsize, ch->end - ch->cur);
2884 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2885 ch->cur += n;
2886 if (ch->cur >= ch->end)
2887 ch->cur = ch->start;
2888 if (frsize > n) {
2889 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2890 frsize - n);
2891 ch->cur += frsize - n;
2892 }
2893 }
2894
2895 /* Call back to upper layer */
2896 ch->transferred += count;
2897 s = splaudio();
2898 while (ch->transferred >= ch->blksize) {
2899 ch->transferred -= ch->blksize;
2900 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2901 ch->intr, ch->arg));
2902 ch->intr(ch->arg);
2903 }
2904 splx(s);
2905
2906 /* start next transfer */
2907 uaudio_chan_rtransfer(ch);
2908 }
2909
2910 Static void
2911 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2912 int maxpktsize)
2913 {
2914 int samples_per_frame, sample_size;
2915
2916 ch->altidx = altidx;
2917 sample_size = param->precision * param->channels / 8;
2918 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2919 ch->sample_size = sample_size;
2920 ch->sample_rate = param->sample_rate;
2921 if (maxpktsize == 0) {
2922 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2923 ch->bytes_per_frame = samples_per_frame * sample_size;
2924 } else {
2925 ch->fraction = 0;
2926 ch->bytes_per_frame = maxpktsize;
2927 }
2928 ch->residue = 0;
2929 }
2930
2931 Static void
2932 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2933 {
2934
2935 ch->start = start;
2936 ch->end = end;
2937 ch->cur = start;
2938 ch->blksize = blksize;
2939 ch->transferred = 0;
2940 ch->curchanbuf = 0;
2941 }
2942
2943 Static int
2944 uaudio_set_params(void *addr, int setmode, int usemode,
2945 struct audio_params *play, struct audio_params *rec,
2946 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
2947 {
2948 struct uaudio_softc *sc;
2949 int paltidx, raltidx;
2950 struct audio_params *p;
2951 stream_filter_list_t *fil;
2952 int mode, i;
2953
2954 sc = addr;
2955 paltidx = -1;
2956 raltidx = -1;
2957 if (sc->sc_dying)
2958 return EIO;
2959
2960 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2961 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2962 return EBUSY;
2963
2964 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2965 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2966 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2967 }
2968 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2969 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2970 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2971 }
2972
2973 /* Some uaudio devices are unidirectional. Don't try to find a
2974 matching mode for the unsupported direction. */
2975 setmode &= sc->sc_mode;
2976
2977 for (mode = AUMODE_RECORD; mode != -1;
2978 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2979 if ((setmode & mode) == 0)
2980 continue;
2981
2982 if (mode == AUMODE_PLAY) {
2983 p = play;
2984 fil = pfil;
2985 } else {
2986 p = rec;
2987 fil = rfil;
2988 }
2989 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
2990 mode, p, TRUE, fil);
2991 if (i < 0)
2992 return EINVAL;
2993
2994 if (mode == AUMODE_PLAY)
2995 paltidx = i;
2996 else
2997 raltidx = i;
2998 }
2999
3000 if ((setmode & AUMODE_PLAY)) {
3001 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3002 /* XXX abort transfer if currently happening? */
3003 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3004 }
3005 if ((setmode & AUMODE_RECORD)) {
3006 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3007 /* XXX abort transfer if currently happening? */
3008 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3009 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3010 }
3011
3012 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3013 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3014 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3015 }
3016 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3017 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3018 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3019 }
3020
3021 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3022 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3023 (sc->sc_playchan.altidx >= 0)
3024 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3025 : -1,
3026 (sc->sc_recchan.altidx >= 0)
3027 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3028 : -1));
3029
3030 return 0;
3031 }
3032
3033 Static usbd_status
3034 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3035 {
3036 usb_device_request_t req;
3037 uint8_t data[3];
3038
3039 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3040 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3041 req.bRequest = SET_CUR;
3042 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3043 USETW(req.wIndex, endpt);
3044 USETW(req.wLength, 3);
3045 data[0] = speed;
3046 data[1] = speed >> 8;
3047 data[2] = speed >> 16;
3048
3049 return usbd_do_request(sc->sc_udev, &req, data);
3050 }
3051