uaudio.c revision 1.105 1 /* $NetBSD: uaudio.c,v 1.105 2006/10/04 16:00:15 christos 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 1.105 2006/10/04 16:00:15 christos 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 NULL,
358 };
359
360 Static struct audio_device uaudio_device = {
361 "USB audio",
362 "",
363 "uaudio"
364 };
365
366 USB_DECLARE_DRIVER(uaudio);
367
368 USB_MATCH(uaudio)
369 {
370 USB_MATCH_START(uaudio, uaa);
371 usb_interface_descriptor_t *id;
372
373 if (uaa->iface == NULL)
374 return UMATCH_NONE;
375
376 id = usbd_get_interface_descriptor(uaa->iface);
377 /* Trigger on the control interface. */
378 if (id == NULL ||
379 id->bInterfaceClass != UICLASS_AUDIO ||
380 id->bInterfaceSubClass != UISUBCLASS_AUDIOCONTROL ||
381 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
382 return UMATCH_NONE;
383
384 return UMATCH_IFACECLASS_IFACESUBCLASS;
385 }
386
387 USB_ATTACH(uaudio)
388 {
389 USB_ATTACH_START(uaudio, sc, uaa);
390 usb_interface_descriptor_t *id;
391 usb_config_descriptor_t *cdesc;
392 char *devinfop;
393 usbd_status err;
394 int i, j, found;
395
396 devinfop = usbd_devinfo_alloc(uaa->device, 0);
397 printf(": %s\n", devinfop);
398 usbd_devinfo_free(devinfop);
399
400 sc->sc_udev = uaa->device;
401
402 cdesc = usbd_get_config_descriptor(sc->sc_udev);
403 if (cdesc == NULL) {
404 printf("%s: failed to get configuration descriptor\n",
405 USBDEVNAME(sc->sc_dev));
406 USB_ATTACH_ERROR_RETURN;
407 }
408
409 err = uaudio_identify(sc, cdesc);
410 if (err) {
411 printf("%s: audio descriptors make no sense, error=%d\n",
412 USBDEVNAME(sc->sc_dev), err);
413 USB_ATTACH_ERROR_RETURN;
414 }
415
416 sc->sc_ac_ifaceh = uaa->iface;
417 /* Pick up the AS interface. */
418 for (i = 0; i < uaa->nifaces; i++) {
419 if (uaa->ifaces[i] == NULL)
420 continue;
421 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
422 if (id == NULL)
423 continue;
424 found = 0;
425 for (j = 0; j < sc->sc_nalts; j++) {
426 if (id->bInterfaceNumber ==
427 sc->sc_alts[j].idesc->bInterfaceNumber) {
428 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
429 found = 1;
430 }
431 }
432 if (found)
433 uaa->ifaces[i] = NULL;
434 }
435
436 for (j = 0; j < sc->sc_nalts; j++) {
437 if (sc->sc_alts[j].ifaceh == NULL) {
438 printf("%s: alt %d missing AS interface(s)\n",
439 USBDEVNAME(sc->sc_dev), j);
440 USB_ATTACH_ERROR_RETURN;
441 }
442 }
443
444 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev),
445 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
446
447 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
448 sc->sc_playchan.altidx = -1;
449 sc->sc_recchan.altidx = -1;
450
451 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
452 sc->sc_altflags |= UA_NOFRAC;
453
454 #ifndef UAUDIO_DEBUG
455 if (bootverbose)
456 #endif
457 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev),
458 sc->sc_nctls);
459
460 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
461 USBDEV(sc->sc_dev));
462
463 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
464 #if defined(__OpenBSD__)
465 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
466 #else
467 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
468 #endif
469
470 USB_ATTACH_SUCCESS_RETURN;
471 }
472
473 int
474 uaudio_activate(device_ptr_t self, enum devact act)
475 {
476 struct uaudio_softc *sc;
477 int rv;
478
479 sc = (struct uaudio_softc *)self;
480 rv = 0;
481 switch (act) {
482 case DVACT_ACTIVATE:
483 return EOPNOTSUPP;
484
485 case DVACT_DEACTIVATE:
486 if (sc->sc_audiodev != NULL)
487 rv = config_deactivate(sc->sc_audiodev);
488 sc->sc_dying = 1;
489 break;
490 }
491 return rv;
492 }
493
494 int
495 uaudio_detach(device_ptr_t self, int flags)
496 {
497 struct uaudio_softc *sc;
498 int rv;
499
500 sc = (struct uaudio_softc *)self;
501 rv = 0;
502 /* Wait for outstanding requests to complete. */
503 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
504
505 if (sc->sc_audiodev != NULL)
506 rv = config_detach(sc->sc_audiodev, flags);
507
508 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
509 USBDEV(sc->sc_dev));
510
511 if (sc->sc_formats != NULL)
512 free(sc->sc_formats, M_USBDEV);
513 auconv_delete_encodings(sc->sc_encodings);
514 return rv;
515 }
516
517 Static int
518 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
519 {
520 struct uaudio_softc *sc;
521 int flags;
522
523 sc = addr;
524 flags = sc->sc_altflags;
525 if (sc->sc_dying)
526 return EIO;
527
528 if (sc->sc_nalts == 0 || flags == 0)
529 return ENXIO;
530
531 return auconv_query_encoding(sc->sc_encodings, fp);
532 }
533
534 Static const usb_interface_descriptor_t *
535 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
536 {
537 const usb_interface_descriptor_t *d;
538
539 while (*offsp < size) {
540 d = (const void *)(tbuf + *offsp);
541 *offsp += d->bLength;
542 if (d->bDescriptorType == UDESC_INTERFACE &&
543 d->bInterfaceClass == UICLASS_AUDIO &&
544 d->bInterfaceSubClass == subtype)
545 return d;
546 }
547 return NULL;
548 }
549
550 Static void
551 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
552 {
553 int res;
554 size_t len;
555 struct mixerctl *nmc;
556
557 if (mc->class < UAC_NCLASSES) {
558 DPRINTF(("%s: adding %s.%s\n",
559 __func__, uac_names[mc->class], mc->ctlname));
560 } else {
561 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
562 }
563 len = sizeof(*mc) * (sc->sc_nctls + 1);
564 nmc = malloc(len, M_USBDEV, M_NOWAIT);
565 if (nmc == NULL) {
566 printf("uaudio_mixer_add_ctl: no memory\n");
567 return;
568 }
569 /* Copy old data, if there was any */
570 if (sc->sc_nctls != 0) {
571 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
572 free(sc->sc_ctls, M_USBDEV);
573 }
574 sc->sc_ctls = nmc;
575
576 mc->delta = 0;
577 if (mc->type == MIX_ON_OFF) {
578 mc->minval = 0;
579 mc->maxval = 1;
580 } else if (mc->type == MIX_SELECTOR) {
581 ;
582 } else {
583 /* Determine min and max values. */
584 mc->minval = uaudio_signext(mc->type,
585 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
586 mc->wValue[0], mc->wIndex,
587 MIX_SIZE(mc->type)));
588 mc->maxval = 1 + uaudio_signext(mc->type,
589 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
590 mc->wValue[0], mc->wIndex,
591 MIX_SIZE(mc->type)));
592 mc->mul = mc->maxval - mc->minval;
593 if (mc->mul == 0)
594 mc->mul = 1;
595 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
596 mc->wValue[0], mc->wIndex,
597 MIX_SIZE(mc->type));
598 if (res > 0)
599 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
600 }
601
602 sc->sc_ctls[sc->sc_nctls++] = *mc;
603
604 #ifdef UAUDIO_DEBUG
605 if (uaudiodebug > 2) {
606 int i;
607 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
608 for (i = 1; i < mc->nchan; i++)
609 DPRINTF((",%04x", mc->wValue[i]));
610 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
611 "min=%d max=%d\n",
612 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
613 mc->minval, mc->maxval));
614 }
615 #endif
616 }
617
618 Static char *
619 uaudio_id_name(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
620 {
621 static char tbuf[32];
622
623 snprintf(tbuf, sizeof(tbuf), "i%d", id);
624 return tbuf;
625 }
626
627 #ifdef UAUDIO_DEBUG
628 Static void
629 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
630 {
631 static const char *channel_names[16] = {
632 "LEFT", "RIGHT", "CENTER", "LFE",
633 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
634 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
635 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
636 };
637 int cc, i, first;
638
639 cc = UGETW(cl->wChannelConfig);
640 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
641 cl->bNrChannels, cc);
642 first = TRUE;
643 for (i = 0; cc != 0; i++) {
644 if (cc & 1) {
645 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
646 first = FALSE;
647 }
648 cc = cc >> 1;
649 }
650 logprintf("> iChannelNames=%u", cl->iChannelNames);
651 }
652 #endif
653
654 Static struct usb_audio_cluster
655 uaudio_get_cluster(int id, const struct io_terminal *iot)
656 {
657 struct usb_audio_cluster r;
658 const usb_descriptor_t *dp;
659 int i;
660
661 for (i = 0; i < 25; i++) { /* avoid infinite loops */
662 dp = iot[id].d.desc;
663 if (dp == 0)
664 goto bad;
665 switch (dp->bDescriptorSubtype) {
666 case UDESCSUB_AC_INPUT:
667 r.bNrChannels = iot[id].d.it->bNrChannels;
668 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
669 r.iChannelNames = iot[id].d.it->iChannelNames;
670 return r;
671 case UDESCSUB_AC_OUTPUT:
672 id = iot[id].d.ot->bSourceId;
673 break;
674 case UDESCSUB_AC_MIXER:
675 r = *(const struct usb_audio_cluster *)
676 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
677 return r;
678 case UDESCSUB_AC_SELECTOR:
679 /* XXX This is not really right */
680 id = iot[id].d.su->baSourceId[0];
681 break;
682 case UDESCSUB_AC_FEATURE:
683 id = iot[id].d.fu->bSourceId;
684 break;
685 case UDESCSUB_AC_PROCESSING:
686 r = *(const struct usb_audio_cluster *)
687 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
688 return r;
689 case UDESCSUB_AC_EXTENSION:
690 r = *(const struct usb_audio_cluster *)
691 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
692 return r;
693 default:
694 goto bad;
695 }
696 }
697 bad:
698 printf("uaudio_get_cluster: bad data\n");
699 memset(&r, 0, sizeof r);
700 return r;
701
702 }
703
704 Static void
705 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
706 {
707 const struct usb_audio_input_terminal *d;
708
709 d = iot[id].d.it;
710 #ifdef UAUDIO_DEBUG
711 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
712 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
713 "iChannelNames=%d iTerminal=%d\n",
714 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
715 d->bNrChannels, UGETW(d->wChannelConfig),
716 d->iChannelNames, d->iTerminal));
717 #endif
718 /* If USB input terminal, record wChannelConfig */
719 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
720 return;
721 sc->sc_channel_config = UGETW(d->wChannelConfig);
722 }
723
724 Static void
725 uaudio_add_output(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
726 {
727 #ifdef UAUDIO_DEBUG
728 const struct usb_audio_output_terminal *d;
729
730 d = iot[id].d.ot;
731 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
732 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
733 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
734 d->bSourceId, d->iTerminal));
735 #endif
736 }
737
738 Static void
739 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
740 {
741 const struct usb_audio_mixer_unit *d;
742 const struct usb_audio_mixer_unit_1 *d1;
743 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
744 const uByte *bm;
745 struct mixerctl mix;
746
747 d = iot[id].d.mu;
748 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
749 d->bUnitId, d->bNrInPins));
750
751 /* Compute the number of input channels */
752 ichs = 0;
753 for (i = 0; i < d->bNrInPins; i++)
754 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
755
756 /* and the number of output channels */
757 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
758 ochs = d1->bNrChannels;
759 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
760
761 bm = d1->bmControls;
762 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
763 uaudio_determine_class(&iot[id], &mix);
764 mix.type = MIX_SIGNED_16;
765 mix.ctlunit = AudioNvolume;
766 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
767 for (p = i = 0; i < d->bNrInPins; i++) {
768 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
769 mc = 0;
770 for (c = 0; c < chs; c++) {
771 mo = 0;
772 for (o = 0; o < ochs; o++) {
773 bno = (p + c) * ochs + o;
774 if (_BIT(bno))
775 mo++;
776 }
777 if (mo == 1)
778 mc++;
779 }
780 if (mc == chs && chs <= MIX_MAX_CHAN) {
781 k = 0;
782 for (c = 0; c < chs; c++)
783 for (o = 0; o < ochs; o++) {
784 bno = (p + c) * ochs + o;
785 if (_BIT(bno))
786 mix.wValue[k++] =
787 MAKE(p+c+1, o+1);
788 }
789 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
790 d->bUnitId, uaudio_id_name(sc, iot,
791 d->baSourceId[i]));
792 mix.nchan = chs;
793 uaudio_mixer_add_ctl(sc, &mix);
794 } else {
795 /* XXX */
796 }
797 #undef _BIT
798 p += chs;
799 }
800
801 }
802
803 Static void
804 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
805 {
806 const struct usb_audio_selector_unit *d;
807 struct mixerctl mix;
808 int i, wp;
809
810 d = iot[id].d.su;
811 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
812 d->bUnitId, d->bNrInPins));
813 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
814 mix.wValue[0] = MAKE(0, 0);
815 uaudio_determine_class(&iot[id], &mix);
816 mix.nchan = 1;
817 mix.type = MIX_SELECTOR;
818 mix.ctlunit = "";
819 mix.minval = 1;
820 mix.maxval = d->bNrInPins;
821 mix.mul = mix.maxval - mix.minval;
822 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
823 for (i = 1; i <= d->bNrInPins; i++) {
824 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
825 "i%d", d->baSourceId[i - 1]);
826 if (wp > MAX_AUDIO_DEV_LEN - 1)
827 break;
828 }
829 uaudio_mixer_add_ctl(sc, &mix);
830 }
831
832 #ifdef UAUDIO_DEBUG
833 Static const char *
834 uaudio_get_terminal_name(int terminal_type)
835 {
836 static char tbuf[100];
837
838 switch (terminal_type) {
839 /* USB terminal types */
840 case UAT_UNDEFINED: return "UAT_UNDEFINED";
841 case UAT_STREAM: return "UAT_STREAM";
842 case UAT_VENDOR: return "UAT_VENDOR";
843 /* input terminal types */
844 case UATI_UNDEFINED: return "UATI_UNDEFINED";
845 case UATI_MICROPHONE: return "UATI_MICROPHONE";
846 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
847 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
848 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
849 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
850 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
851 /* output terminal types */
852 case UATO_UNDEFINED: return "UATO_UNDEFINED";
853 case UATO_SPEAKER: return "UATO_SPEAKER";
854 case UATO_HEADPHONES: return "UATO_HEADPHONES";
855 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
856 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
857 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
858 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
859 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
860 /* bidir terminal types */
861 case UATB_UNDEFINED: return "UATB_UNDEFINED";
862 case UATB_HANDSET: return "UATB_HANDSET";
863 case UATB_HEADSET: return "UATB_HEADSET";
864 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
865 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
866 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
867 /* telephony terminal types */
868 case UATT_UNDEFINED: return "UATT_UNDEFINED";
869 case UATT_PHONELINE: return "UATT_PHONELINE";
870 case UATT_TELEPHONE: return "UATT_TELEPHONE";
871 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
872 /* external terminal types */
873 case UATE_UNDEFINED: return "UATE_UNDEFINED";
874 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
875 case UATE_LINECONN: return "UATE_LINECONN";
876 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
877 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
878 case UATE_SPDIF: return "UATE_SPDIF";
879 case UATE_1394DA: return "UATE_1394DA";
880 case UATE_1394DV: return "UATE_1394DV";
881 /* embedded function terminal types */
882 case UATF_UNDEFINED: return "UATF_UNDEFINED";
883 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
884 case UATF_EQUNOISE: return "UATF_EQUNOISE";
885 case UATF_CDPLAYER: return "UATF_CDPLAYER";
886 case UATF_DAT: return "UATF_DAT";
887 case UATF_DCC: return "UATF_DCC";
888 case UATF_MINIDISK: return "UATF_MINIDISK";
889 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
890 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
891 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
892 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
893 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
894 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
895 case UATF_SATELLITE: return "UATF_SATELLITE";
896 case UATF_CABLETUNER: return "UATF_CABLETUNER";
897 case UATF_DSS: return "UATF_DSS";
898 case UATF_RADIORECV: return "UATF_RADIORECV";
899 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
900 case UATF_MULTITRACK: return "UATF_MULTITRACK";
901 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
902 default:
903 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
904 return tbuf;
905 }
906 }
907 #endif
908
909 Static int
910 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
911 {
912 int terminal_type;
913
914 if (iot == NULL || iot->output == NULL) {
915 mix->class = UAC_OUTPUT;
916 return 0;
917 }
918 terminal_type = 0;
919 if (iot->output->size == 1)
920 terminal_type = iot->output->terminals[0];
921 /*
922 * If the only output terminal is USB,
923 * the class is UAC_RECORD.
924 */
925 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
926 mix->class = UAC_RECORD;
927 if (iot->inputs_size == 1
928 && iot->inputs[0] != NULL
929 && iot->inputs[0]->size == 1)
930 return iot->inputs[0]->terminals[0];
931 else
932 return 0;
933 }
934 /*
935 * If the ultimate destination of the unit is just one output
936 * terminal and the unit is connected to the output terminal
937 * directly, the class is UAC_OUTPUT.
938 */
939 if (terminal_type != 0 && iot->direct) {
940 mix->class = UAC_OUTPUT;
941 return terminal_type;
942 }
943 /*
944 * If the unit is connected to just one input terminal,
945 * the class is UAC_INPUT.
946 */
947 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
948 && iot->inputs[0]->size == 1) {
949 mix->class = UAC_INPUT;
950 return iot->inputs[0]->terminals[0];
951 }
952 /*
953 * Otherwise, the class is UAC_OUTPUT.
954 */
955 mix->class = UAC_OUTPUT;
956 return terminal_type;
957 }
958
959 Static const char *
960 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
961 {
962 int terminal_type;
963
964 terminal_type = uaudio_determine_class(iot, mix);
965 if (mix->class == UAC_RECORD && terminal_type == 0)
966 return AudioNmixerout;
967 DPRINTF(("%s: terminal_type=%s\n", __func__,
968 uaudio_get_terminal_name(terminal_type)));
969 switch (terminal_type) {
970 case UAT_STREAM:
971 return AudioNdac;
972
973 case UATI_MICROPHONE:
974 case UATI_DESKMICROPHONE:
975 case UATI_PERSONALMICROPHONE:
976 case UATI_OMNIMICROPHONE:
977 case UATI_MICROPHONEARRAY:
978 case UATI_PROCMICROPHONEARR:
979 return AudioNmicrophone;
980
981 case UATO_SPEAKER:
982 case UATO_DESKTOPSPEAKER:
983 case UATO_ROOMSPEAKER:
984 case UATO_COMMSPEAKER:
985 return AudioNspeaker;
986
987 case UATO_HEADPHONES:
988 return AudioNheadphone;
989
990 case UATO_SUBWOOFER:
991 return AudioNlfe;
992
993 /* telephony terminal types */
994 case UATT_UNDEFINED:
995 case UATT_PHONELINE:
996 case UATT_TELEPHONE:
997 case UATT_DOWNLINEPHONE:
998 return "phone";
999
1000 case UATE_ANALOGCONN:
1001 case UATE_LINECONN:
1002 case UATE_LEGACYCONN:
1003 return AudioNline;
1004
1005 case UATE_DIGITALAUIFC:
1006 case UATE_SPDIF:
1007 case UATE_1394DA:
1008 case UATE_1394DV:
1009 return AudioNaux;
1010
1011 case UATF_CDPLAYER:
1012 return AudioNcd;
1013
1014 case UATF_SYNTHESIZER:
1015 return AudioNfmsynth;
1016
1017 case UATF_VIDEODISCAUDIO:
1018 case UATF_DVDAUDIO:
1019 case UATF_TVTUNERAUDIO:
1020 return AudioNvideo;
1021
1022 case UAT_UNDEFINED:
1023 case UAT_VENDOR:
1024 case UATI_UNDEFINED:
1025 /* output terminal types */
1026 case UATO_UNDEFINED:
1027 case UATO_DISPLAYAUDIO:
1028 /* bidir terminal types */
1029 case UATB_UNDEFINED:
1030 case UATB_HANDSET:
1031 case UATB_HEADSET:
1032 case UATB_SPEAKERPHONE:
1033 case UATB_SPEAKERPHONEESUP:
1034 case UATB_SPEAKERPHONEECANC:
1035 /* external terminal types */
1036 case UATE_UNDEFINED:
1037 /* embedded function terminal types */
1038 case UATF_UNDEFINED:
1039 case UATF_CALIBNOISE:
1040 case UATF_EQUNOISE:
1041 case UATF_DAT:
1042 case UATF_DCC:
1043 case UATF_MINIDISK:
1044 case UATF_ANALOGTAPE:
1045 case UATF_PHONOGRAPH:
1046 case UATF_VCRAUDIO:
1047 case UATF_SATELLITE:
1048 case UATF_CABLETUNER:
1049 case UATF_DSS:
1050 case UATF_RADIORECV:
1051 case UATF_RADIOXMIT:
1052 case UATF_MULTITRACK:
1053 case 0xffff:
1054 default:
1055 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1056 return AudioNmaster;
1057 }
1058 return AudioNmaster;
1059 }
1060
1061 Static void
1062 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1063 {
1064 const struct usb_audio_feature_unit *d;
1065 const uByte *ctls;
1066 int ctlsize;
1067 int nchan;
1068 u_int fumask, mmask, cmask;
1069 struct mixerctl mix;
1070 int chan, ctl, i, unit;
1071 const char *mixername;
1072
1073 #define GET(i) (ctls[(i)*ctlsize] | \
1074 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1075 d = iot[id].d.fu;
1076 ctls = d->bmaControls;
1077 ctlsize = d->bControlSize;
1078 nchan = (d->bLength - 7) / ctlsize;
1079 mmask = GET(0);
1080 /* Figure out what we can control */
1081 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1082 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1083 chan, GET(chan)));
1084 cmask |= GET(chan);
1085 }
1086
1087 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1088 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1089 d->bUnitId, nchan, mmask, cmask));
1090
1091 if (nchan > MIX_MAX_CHAN)
1092 nchan = MIX_MAX_CHAN;
1093 unit = d->bUnitId;
1094 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1095 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1096 fumask = FU_MASK(ctl);
1097 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1098 ctl, fumask));
1099 if (mmask & fumask) {
1100 mix.nchan = 1;
1101 mix.wValue[0] = MAKE(ctl, 0);
1102 } else if (cmask & fumask) {
1103 mix.nchan = nchan - 1;
1104 for (i = 1; i < nchan; i++) {
1105 if (GET(i) & fumask)
1106 mix.wValue[i-1] = MAKE(ctl, i);
1107 else
1108 mix.wValue[i-1] = -1;
1109 }
1110 } else {
1111 continue;
1112 }
1113 #undef GET
1114 mixername = uaudio_feature_name(&iot[id], &mix);
1115 switch (ctl) {
1116 case MUTE_CONTROL:
1117 mix.type = MIX_ON_OFF;
1118 mix.ctlunit = "";
1119 snprintf(mix.ctlname, sizeof(mix.ctlname),
1120 "%s.%s", mixername, AudioNmute);
1121 break;
1122 case VOLUME_CONTROL:
1123 mix.type = MIX_SIGNED_16;
1124 mix.ctlunit = AudioNvolume;
1125 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1126 break;
1127 case BASS_CONTROL:
1128 mix.type = MIX_SIGNED_8;
1129 mix.ctlunit = AudioNbass;
1130 snprintf(mix.ctlname, sizeof(mix.ctlname),
1131 "%s.%s", mixername, AudioNbass);
1132 break;
1133 case MID_CONTROL:
1134 mix.type = MIX_SIGNED_8;
1135 mix.ctlunit = AudioNmid;
1136 snprintf(mix.ctlname, sizeof(mix.ctlname),
1137 "%s.%s", mixername, AudioNmid);
1138 break;
1139 case TREBLE_CONTROL:
1140 mix.type = MIX_SIGNED_8;
1141 mix.ctlunit = AudioNtreble;
1142 snprintf(mix.ctlname, sizeof(mix.ctlname),
1143 "%s.%s", mixername, AudioNtreble);
1144 break;
1145 case GRAPHIC_EQUALIZER_CONTROL:
1146 continue; /* XXX don't add anything */
1147 break;
1148 case AGC_CONTROL:
1149 mix.type = MIX_ON_OFF;
1150 mix.ctlunit = "";
1151 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1152 mixername, AudioNagc);
1153 break;
1154 case DELAY_CONTROL:
1155 mix.type = MIX_UNSIGNED_16;
1156 mix.ctlunit = "4 ms";
1157 snprintf(mix.ctlname, sizeof(mix.ctlname),
1158 "%s.%s", mixername, AudioNdelay);
1159 break;
1160 case BASS_BOOST_CONTROL:
1161 mix.type = MIX_ON_OFF;
1162 mix.ctlunit = "";
1163 snprintf(mix.ctlname, sizeof(mix.ctlname),
1164 "%s.%s", mixername, AudioNbassboost);
1165 break;
1166 case LOUDNESS_CONTROL:
1167 mix.type = MIX_ON_OFF;
1168 mix.ctlunit = "";
1169 snprintf(mix.ctlname, sizeof(mix.ctlname),
1170 "%s.%s", mixername, AudioNloudness);
1171 break;
1172 }
1173 uaudio_mixer_add_ctl(sc, &mix);
1174 }
1175 }
1176
1177 Static void
1178 uaudio_add_processing_updown(struct uaudio_softc *sc,
1179 const struct io_terminal *iot, int id)
1180 {
1181 const struct usb_audio_processing_unit *d;
1182 const struct usb_audio_processing_unit_1 *d1;
1183 const struct usb_audio_processing_unit_updown *ud;
1184 struct mixerctl mix;
1185 int i;
1186
1187 d = iot[id].d.pu;
1188 d1 = (const struct usb_audio_processing_unit_1 *)
1189 &d->baSourceId[d->bNrInPins];
1190 ud = (const struct usb_audio_processing_unit_updown *)
1191 &d1->bmControls[d1->bControlSize];
1192 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1193 d->bUnitId, ud->bNrModes));
1194
1195 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1196 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1197 return;
1198 }
1199
1200 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1201 mix.nchan = 1;
1202 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1203 uaudio_determine_class(&iot[id], &mix);
1204 mix.type = MIX_ON_OFF; /* XXX */
1205 mix.ctlunit = "";
1206 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1207
1208 for (i = 0; i < ud->bNrModes; i++) {
1209 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1210 i, UGETW(ud->waModes[i])));
1211 /* XXX */
1212 }
1213 uaudio_mixer_add_ctl(sc, &mix);
1214 }
1215
1216 Static void
1217 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1218 {
1219 const struct usb_audio_processing_unit *d;
1220 const struct usb_audio_processing_unit_1 *d1;
1221 int ptype;
1222 struct mixerctl mix;
1223
1224 d = iot[id].d.pu;
1225 d1 = (const struct usb_audio_processing_unit_1 *)
1226 &d->baSourceId[d->bNrInPins];
1227 ptype = UGETW(d->wProcessType);
1228 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1229 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1230
1231 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1232 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1233 mix.nchan = 1;
1234 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1235 uaudio_determine_class(&iot[id], &mix);
1236 mix.type = MIX_ON_OFF;
1237 mix.ctlunit = "";
1238 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1239 d->bUnitId, ptype);
1240 uaudio_mixer_add_ctl(sc, &mix);
1241 }
1242
1243 switch(ptype) {
1244 case UPDOWNMIX_PROCESS:
1245 uaudio_add_processing_updown(sc, iot, id);
1246 break;
1247 case DOLBY_PROLOGIC_PROCESS:
1248 case P3D_STEREO_EXTENDER_PROCESS:
1249 case REVERBATION_PROCESS:
1250 case CHORUS_PROCESS:
1251 case DYN_RANGE_COMP_PROCESS:
1252 default:
1253 #ifdef UAUDIO_DEBUG
1254 printf("uaudio_add_processing: unit %d, type=%d not impl.\n",
1255 d->bUnitId, ptype);
1256 #endif
1257 break;
1258 }
1259 }
1260
1261 Static void
1262 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1263 {
1264 const struct usb_audio_extension_unit *d;
1265 const struct usb_audio_extension_unit_1 *d1;
1266 struct mixerctl mix;
1267
1268 d = iot[id].d.eu;
1269 d1 = (const struct usb_audio_extension_unit_1 *)
1270 &d->baSourceId[d->bNrInPins];
1271 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1272 d->bUnitId, d->bNrInPins));
1273
1274 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1275 return;
1276
1277 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1278 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1279 mix.nchan = 1;
1280 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1281 uaudio_determine_class(&iot[id], &mix);
1282 mix.type = MIX_ON_OFF;
1283 mix.ctlunit = "";
1284 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1285 d->bUnitId);
1286 uaudio_mixer_add_ctl(sc, &mix);
1287 }
1288 }
1289
1290 Static struct terminal_list*
1291 uaudio_merge_terminal_list(const struct io_terminal *iot)
1292 {
1293 struct terminal_list *tml;
1294 uint16_t *ptm;
1295 int i, len;
1296
1297 len = 0;
1298 if (iot->inputs == NULL)
1299 return NULL;
1300 for (i = 0; i < iot->inputs_size; i++) {
1301 if (iot->inputs[i] != NULL)
1302 len += iot->inputs[i]->size;
1303 }
1304 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1305 if (tml == NULL) {
1306 printf("uaudio_merge_terminal_list: no memory\n");
1307 return NULL;
1308 }
1309 tml->size = 0;
1310 ptm = tml->terminals;
1311 for (i = 0; i < iot->inputs_size; i++) {
1312 if (iot->inputs[i] == NULL)
1313 continue;
1314 if (iot->inputs[i]->size > len)
1315 break;
1316 memcpy(ptm, iot->inputs[i]->terminals,
1317 iot->inputs[i]->size * sizeof(uint16_t));
1318 tml->size += iot->inputs[i]->size;
1319 ptm += iot->inputs[i]->size;
1320 len -= iot->inputs[i]->size;
1321 }
1322 return tml;
1323 }
1324
1325 Static struct terminal_list *
1326 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1327 {
1328 struct terminal_list *tml;
1329 struct io_terminal *it;
1330 int src_id, i;
1331
1332 it = &iot[id];
1333 if (it->output != NULL) {
1334 /* already has outtype? */
1335 for (i = 0; i < it->output->size; i++)
1336 if (it->output->terminals[i] == outtype)
1337 return uaudio_merge_terminal_list(it);
1338 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1339 M_TEMP, M_NOWAIT);
1340 if (tml == NULL) {
1341 printf("uaudio_io_terminaltype: no memory\n");
1342 return uaudio_merge_terminal_list(it);
1343 }
1344 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1345 tml->terminals[it->output->size] = outtype;
1346 tml->size++;
1347 free(it->output, M_TEMP);
1348 it->output = tml;
1349 if (it->inputs != NULL) {
1350 for (i = 0; i < it->inputs_size; i++)
1351 if (it->inputs[i] != NULL)
1352 free(it->inputs[i], M_TEMP);
1353 free(it->inputs, M_TEMP);
1354 }
1355 it->inputs_size = 0;
1356 it->inputs = NULL;
1357 } else { /* end `iot[id] != NULL' */
1358 it->inputs_size = 0;
1359 it->inputs = NULL;
1360 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1361 if (it->output == NULL) {
1362 printf("uaudio_io_terminaltype: no memory\n");
1363 return NULL;
1364 }
1365 it->output->terminals[0] = outtype;
1366 it->output->size = 1;
1367 it->direct = FALSE;
1368 }
1369
1370 switch (it->d.desc->bDescriptorSubtype) {
1371 case UDESCSUB_AC_INPUT:
1372 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1373 if (it->inputs == NULL) {
1374 printf("uaudio_io_terminaltype: no memory\n");
1375 return NULL;
1376 }
1377 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1378 if (tml == NULL) {
1379 printf("uaudio_io_terminaltype: no memory\n");
1380 free(it->inputs, M_TEMP);
1381 it->inputs = NULL;
1382 return NULL;
1383 }
1384 it->inputs[0] = tml;
1385 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1386 tml->size = 1;
1387 it->inputs_size = 1;
1388 return uaudio_merge_terminal_list(it);
1389 case UDESCSUB_AC_FEATURE:
1390 src_id = it->d.fu->bSourceId;
1391 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1392 if (it->inputs == NULL) {
1393 printf("uaudio_io_terminaltype: no memory\n");
1394 return uaudio_io_terminaltype(outtype, iot, src_id);
1395 }
1396 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1397 it->inputs_size = 1;
1398 return uaudio_merge_terminal_list(it);
1399 case UDESCSUB_AC_OUTPUT:
1400 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1401 if (it->inputs == NULL) {
1402 printf("uaudio_io_terminaltype: no memory\n");
1403 return NULL;
1404 }
1405 src_id = it->d.ot->bSourceId;
1406 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1407 it->inputs_size = 1;
1408 iot[src_id].direct = TRUE;
1409 return NULL;
1410 case UDESCSUB_AC_MIXER:
1411 it->inputs_size = 0;
1412 it->inputs = malloc(sizeof(struct terminal_list *)
1413 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1414 if (it->inputs == NULL) {
1415 printf("uaudio_io_terminaltype: no memory\n");
1416 return NULL;
1417 }
1418 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1419 src_id = it->d.mu->baSourceId[i];
1420 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1421 src_id);
1422 it->inputs_size++;
1423 }
1424 return uaudio_merge_terminal_list(it);
1425 case UDESCSUB_AC_SELECTOR:
1426 it->inputs_size = 0;
1427 it->inputs = malloc(sizeof(struct terminal_list *)
1428 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1429 if (it->inputs == NULL) {
1430 printf("uaudio_io_terminaltype: no memory\n");
1431 return NULL;
1432 }
1433 for (i = 0; i < it->d.su->bNrInPins; i++) {
1434 src_id = it->d.su->baSourceId[i];
1435 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1436 src_id);
1437 it->inputs_size++;
1438 }
1439 return uaudio_merge_terminal_list(it);
1440 case UDESCSUB_AC_PROCESSING:
1441 it->inputs_size = 0;
1442 it->inputs = malloc(sizeof(struct terminal_list *)
1443 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1444 if (it->inputs == NULL) {
1445 printf("uaudio_io_terminaltype: no memory\n");
1446 return NULL;
1447 }
1448 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1449 src_id = it->d.pu->baSourceId[i];
1450 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1451 src_id);
1452 it->inputs_size++;
1453 }
1454 return uaudio_merge_terminal_list(it);
1455 case UDESCSUB_AC_EXTENSION:
1456 it->inputs_size = 0;
1457 it->inputs = malloc(sizeof(struct terminal_list *)
1458 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1459 if (it->inputs == NULL) {
1460 printf("uaudio_io_terminaltype: no memory\n");
1461 return NULL;
1462 }
1463 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1464 src_id = it->d.eu->baSourceId[i];
1465 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1466 src_id);
1467 it->inputs_size++;
1468 }
1469 return uaudio_merge_terminal_list(it);
1470 case UDESCSUB_AC_HEADER:
1471 default:
1472 return NULL;
1473 }
1474 }
1475
1476 Static usbd_status
1477 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1478 {
1479 usbd_status err;
1480
1481 err = uaudio_identify_ac(sc, cdesc);
1482 if (err)
1483 return err;
1484 return uaudio_identify_as(sc, cdesc);
1485 }
1486
1487 Static void
1488 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1489 {
1490 size_t len;
1491 struct as_info *nai;
1492
1493 len = sizeof(*ai) * (sc->sc_nalts + 1);
1494 nai = malloc(len, M_USBDEV, M_NOWAIT);
1495 if (nai == NULL) {
1496 printf("uaudio_add_alt: no memory\n");
1497 return;
1498 }
1499 /* Copy old data, if there was any */
1500 if (sc->sc_nalts != 0) {
1501 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1502 free(sc->sc_alts, M_USBDEV);
1503 }
1504 sc->sc_alts = nai;
1505 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1506 ai->alt, ai->encoding));
1507 sc->sc_alts[sc->sc_nalts++] = *ai;
1508 }
1509
1510 Static usbd_status
1511 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1512 int size, const usb_interface_descriptor_t *id)
1513 #define offs (*offsp)
1514 {
1515 const struct usb_audio_streaming_interface_descriptor *asid;
1516 const struct usb_audio_streaming_type1_descriptor *asf1d;
1517 const usb_endpoint_descriptor_audio_t *ed;
1518 const usb_endpoint_descriptor_audio_t *epdesc1;
1519 const struct usb_audio_streaming_endpoint_descriptor *sed;
1520 int format, chan, prec, enc;
1521 int dir, type, sync;
1522 struct as_info ai;
1523 const char *format_str;
1524
1525 asid = (const void *)(tbuf + offs);
1526 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1527 asid->bDescriptorSubtype != AS_GENERAL)
1528 return USBD_INVAL;
1529 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1530 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1531 offs += asid->bLength;
1532 if (offs > size)
1533 return USBD_INVAL;
1534
1535 asf1d = (const void *)(tbuf + offs);
1536 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1537 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1538 return USBD_INVAL;
1539 offs += asf1d->bLength;
1540 if (offs > size)
1541 return USBD_INVAL;
1542
1543 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1544 printf("%s: ignored setting with type %d format\n",
1545 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag));
1546 return USBD_NORMAL_COMPLETION;
1547 }
1548
1549 ed = (const void *)(tbuf + offs);
1550 if (ed->bDescriptorType != UDESC_ENDPOINT)
1551 return USBD_INVAL;
1552 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1553 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1554 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1555 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1556 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1557 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1558 offs += ed->bLength;
1559 if (offs > size)
1560 return USBD_INVAL;
1561 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1562 return USBD_INVAL;
1563
1564 dir = UE_GET_DIR(ed->bEndpointAddress);
1565 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1566 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1567 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1568 type = UE_ISO_ASYNC;
1569
1570 /* We can't handle endpoints that need a sync pipe yet. */
1571 sync = FALSE;
1572 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1573 sync = TRUE;
1574 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1575 printf("%s: ignored input endpoint of type adaptive\n",
1576 USBDEVNAME(sc->sc_dev));
1577 return USBD_NORMAL_COMPLETION;
1578 #endif
1579 }
1580 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1581 sync = TRUE;
1582 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1583 printf("%s: ignored output endpoint of type async\n",
1584 USBDEVNAME(sc->sc_dev));
1585 return USBD_NORMAL_COMPLETION;
1586 #endif
1587 }
1588
1589 sed = (const void *)(tbuf + offs);
1590 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1591 sed->bDescriptorSubtype != AS_GENERAL)
1592 return USBD_INVAL;
1593 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1594 offs += sed->bLength;
1595 if (offs > size)
1596 return USBD_INVAL;
1597
1598 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1599 if (sync && id->bNumEndpoints <= 1) {
1600 printf("%s: a sync-pipe endpoint but no other endpoint\n",
1601 USBDEVNAME(sc->sc_dev));
1602 return USBD_INVAL;
1603 }
1604 #endif
1605 if (!sync && id->bNumEndpoints > 1) {
1606 printf("%s: non sync-pipe endpoint but multiple endpoints\n",
1607 USBDEVNAME(sc->sc_dev));
1608 return USBD_INVAL;
1609 }
1610 epdesc1 = NULL;
1611 if (id->bNumEndpoints > 1) {
1612 epdesc1 = (const void*)(tbuf + offs);
1613 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1614 return USBD_INVAL;
1615 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1616 "bDescriptorType=%d bEndpointAddress=%d "
1617 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1618 "bRefresh=%d bSynchAddress=%d\n",
1619 epdesc1->bLength, epdesc1->bDescriptorType,
1620 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1621 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1622 epdesc1->bRefresh, epdesc1->bSynchAddress));
1623 offs += epdesc1->bLength;
1624 if (offs > size)
1625 return USBD_INVAL;
1626 if (epdesc1->bSynchAddress != 0) {
1627 printf("%s: invalid endpoint: bSynchAddress=0\n",
1628 USBDEVNAME(sc->sc_dev));
1629 return USBD_INVAL;
1630 }
1631 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1632 printf("%s: invalid endpoint: bmAttributes=0x%x\n",
1633 USBDEVNAME(sc->sc_dev), epdesc1->bmAttributes);
1634 return USBD_INVAL;
1635 }
1636 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1637 printf("%s: invalid endpoint addresses: "
1638 "ep[0]->bSynchAddress=0x%x "
1639 "ep[1]->bEndpointAddress=0x%x\n",
1640 USBDEVNAME(sc->sc_dev), ed->bSynchAddress,
1641 epdesc1->bEndpointAddress);
1642 return USBD_INVAL;
1643 }
1644 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1645 }
1646
1647 format = UGETW(asid->wFormatTag);
1648 chan = asf1d->bNrChannels;
1649 prec = asf1d->bBitResolution;
1650 if (prec != 8 && prec != 16 && prec != 24) {
1651 printf("%s: ignored setting with precision %d\n",
1652 USBDEVNAME(sc->sc_dev), prec);
1653 return USBD_NORMAL_COMPLETION;
1654 }
1655 switch (format) {
1656 case UA_FMT_PCM:
1657 if (prec == 8) {
1658 sc->sc_altflags |= HAS_8;
1659 } else if (prec == 16) {
1660 sc->sc_altflags |= HAS_16;
1661 } else if (prec == 24) {
1662 sc->sc_altflags |= HAS_24;
1663 }
1664 enc = AUDIO_ENCODING_SLINEAR_LE;
1665 format_str = "pcm";
1666 break;
1667 case UA_FMT_PCM8:
1668 enc = AUDIO_ENCODING_ULINEAR_LE;
1669 sc->sc_altflags |= HAS_8U;
1670 format_str = "pcm8";
1671 break;
1672 case UA_FMT_ALAW:
1673 enc = AUDIO_ENCODING_ALAW;
1674 sc->sc_altflags |= HAS_ALAW;
1675 format_str = "alaw";
1676 break;
1677 case UA_FMT_MULAW:
1678 enc = AUDIO_ENCODING_ULAW;
1679 sc->sc_altflags |= HAS_MULAW;
1680 format_str = "mulaw";
1681 break;
1682 case UA_FMT_IEEE_FLOAT:
1683 default:
1684 printf("%s: ignored setting with format %d\n",
1685 USBDEVNAME(sc->sc_dev), format);
1686 return USBD_NORMAL_COMPLETION;
1687 }
1688 #ifdef UAUDIO_DEBUG
1689 printf("%s: %s: %dch, %d/%dbit, %s,", USBDEVNAME(sc->sc_dev),
1690 dir == UE_DIR_IN ? "recording" : "playback",
1691 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1692 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1693 printf(" %d-%dHz\n", UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d));
1694 } else {
1695 int r;
1696 printf(" %d", UA_GETSAMP(asf1d, 0));
1697 for (r = 1; r < asf1d->bSamFreqType; r++)
1698 printf(",%d", UA_GETSAMP(asf1d, r));
1699 printf("Hz\n");
1700 }
1701 #endif
1702 ai.alt = id->bAlternateSetting;
1703 ai.encoding = enc;
1704 ai.attributes = sed->bmAttributes;
1705 ai.idesc = id;
1706 ai.edesc = ed;
1707 ai.edesc1 = epdesc1;
1708 ai.asf1desc = asf1d;
1709 ai.sc_busy = 0;
1710 ai.aformat = NULL;
1711 ai.ifaceh = NULL;
1712 uaudio_add_alt(sc, &ai);
1713 #ifdef UAUDIO_DEBUG
1714 if (ai.attributes & UA_SED_FREQ_CONTROL)
1715 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1716 if (ai.attributes & UA_SED_PITCH_CONTROL)
1717 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1718 #endif
1719 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1720
1721 return USBD_NORMAL_COMPLETION;
1722 }
1723 #undef offs
1724
1725 Static usbd_status
1726 uaudio_identify_as(struct uaudio_softc *sc,
1727 const usb_config_descriptor_t *cdesc)
1728 {
1729 const usb_interface_descriptor_t *id;
1730 const char *tbuf;
1731 struct audio_format *auf;
1732 const struct usb_audio_streaming_type1_descriptor *t1desc;
1733 int size, offs;
1734 int i, j;
1735
1736 size = UGETW(cdesc->wTotalLength);
1737 tbuf = (const char *)cdesc;
1738
1739 /* Locate the AudioStreaming interface descriptor. */
1740 offs = 0;
1741 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1742 if (id == NULL)
1743 return USBD_INVAL;
1744
1745 /* Loop through all the alternate settings. */
1746 while (offs <= size) {
1747 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1748 id->bInterfaceNumber, offs));
1749 switch (id->bNumEndpoints) {
1750 case 0:
1751 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1752 id->bAlternateSetting));
1753 sc->sc_nullalt = id->bAlternateSetting;
1754 break;
1755 case 1:
1756 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1757 case 2:
1758 #endif
1759 uaudio_process_as(sc, tbuf, &offs, size, id);
1760 break;
1761 default:
1762 printf("%s: ignored audio interface with %d "
1763 "endpoints\n",
1764 USBDEVNAME(sc->sc_dev), id->bNumEndpoints);
1765 break;
1766 }
1767 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1768 if (id == NULL)
1769 break;
1770 }
1771 if (offs > size)
1772 return USBD_INVAL;
1773 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1774
1775 if (sc->sc_mode == 0) {
1776 printf("%s: no usable endpoint found\n",
1777 USBDEVNAME(sc->sc_dev));
1778 return USBD_INVAL;
1779 }
1780
1781 /* build audio_format array */
1782 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1783 M_USBDEV, M_NOWAIT);
1784 if (sc->sc_formats == NULL)
1785 return USBD_NOMEM;
1786 sc->sc_nformats = sc->sc_nalts;
1787 for (i = 0; i < sc->sc_nalts; i++) {
1788 auf = &sc->sc_formats[i];
1789 t1desc = sc->sc_alts[i].asf1desc;
1790 auf->driver_data = NULL;
1791 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1792 auf->mode = AUMODE_PLAY;
1793 else
1794 auf->mode = AUMODE_RECORD;
1795 auf->encoding = sc->sc_alts[i].encoding;
1796 auf->validbits = t1desc->bBitResolution;
1797 auf->precision = t1desc->bSubFrameSize * 8;
1798 auf->channels = t1desc->bNrChannels;
1799 auf->channel_mask = sc->sc_channel_config;
1800 auf->frequency_type = t1desc->bSamFreqType;
1801 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1802 auf->frequency[0] = UA_SAMP_LO(t1desc);
1803 auf->frequency[1] = UA_SAMP_HI(t1desc);
1804 } else {
1805 for (j = 0; j < t1desc->bSamFreqType; j++) {
1806 if (j >= AUFMT_MAX_FREQUENCIES) {
1807 printf("%s: please increase "
1808 "AUFMT_MAX_FREQUENCIES to %d\n",
1809 __func__, t1desc->bSamFreqType);
1810 break;
1811 }
1812 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1813 }
1814 }
1815 sc->sc_alts[i].aformat = auf;
1816 }
1817
1818 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1819 &sc->sc_encodings)) {
1820 free(sc->sc_formats, M_DEVBUF);
1821 sc->sc_formats = NULL;
1822 return ENOMEM;
1823 }
1824
1825 return USBD_NORMAL_COMPLETION;
1826 }
1827
1828 Static usbd_status
1829 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1830 {
1831 struct io_terminal* iot;
1832 const usb_interface_descriptor_t *id;
1833 const struct usb_audio_control_descriptor *acdp;
1834 const usb_descriptor_t *dp;
1835 const struct usb_audio_output_terminal *pot;
1836 struct terminal_list *tml;
1837 const char *tbuf, *ibuf, *ibufend;
1838 int size, offs, aclen, ndps, i, j;
1839
1840 size = UGETW(cdesc->wTotalLength);
1841 tbuf = (const char *)cdesc;
1842
1843 /* Locate the AudioControl interface descriptor. */
1844 offs = 0;
1845 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1846 if (id == NULL)
1847 return USBD_INVAL;
1848 if (offs + sizeof *acdp > size)
1849 return USBD_INVAL;
1850 sc->sc_ac_iface = id->bInterfaceNumber;
1851 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1852
1853 /* A class-specific AC interface header should follow. */
1854 ibuf = tbuf + offs;
1855 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1856 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1857 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1858 return USBD_INVAL;
1859 aclen = UGETW(acdp->wTotalLength);
1860 if (offs + aclen > size)
1861 return USBD_INVAL;
1862
1863 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1864 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1865 return USBD_INVAL;
1866
1867 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1868 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1869 sc->sc_audio_rev, aclen));
1870
1871 sc->sc_nullalt = -1;
1872
1873 /* Scan through all the AC specific descriptors */
1874 ibufend = ibuf + aclen;
1875 dp = (const usb_descriptor_t *)ibuf;
1876 ndps = 0;
1877 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1878 if (iot == NULL) {
1879 printf("%s: no memory\n", __func__);
1880 return USBD_NOMEM;
1881 }
1882 for (;;) {
1883 ibuf += dp->bLength;
1884 if (ibuf >= ibufend)
1885 break;
1886 dp = (const usb_descriptor_t *)ibuf;
1887 if (ibuf + dp->bLength > ibufend) {
1888 free(iot, M_TEMP);
1889 return USBD_INVAL;
1890 }
1891 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1892 printf("uaudio_identify_ac: skip desc type=0x%02x\n",
1893 dp->bDescriptorType);
1894 continue;
1895 }
1896 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1897 iot[i].d.desc = dp;
1898 if (i > ndps)
1899 ndps = i;
1900 }
1901 ndps++;
1902
1903 /* construct io_terminal */
1904 for (i = 0; i < ndps; i++) {
1905 dp = iot[i].d.desc;
1906 if (dp == NULL)
1907 continue;
1908 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1909 continue;
1910 pot = iot[i].d.ot;
1911 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1912 if (tml != NULL)
1913 free(tml, M_TEMP);
1914 }
1915
1916 #ifdef UAUDIO_DEBUG
1917 for (i = 0; i < 256; i++) {
1918 struct usb_audio_cluster cluster;
1919
1920 if (iot[i].d.desc == NULL)
1921 continue;
1922 logprintf("id %d:\t", i);
1923 switch (iot[i].d.desc->bDescriptorSubtype) {
1924 case UDESCSUB_AC_INPUT:
1925 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1926 (UGETW(iot[i].d.it->wTerminalType)));
1927 logprintf("\t");
1928 cluster = uaudio_get_cluster(i, iot);
1929 uaudio_dump_cluster(&cluster);
1930 logprintf("\n");
1931 break;
1932 case UDESCSUB_AC_OUTPUT:
1933 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1934 (UGETW(iot[i].d.ot->wTerminalType)));
1935 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1936 break;
1937 case UDESCSUB_AC_MIXER:
1938 logprintf("AC_MIXER src=");
1939 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1940 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1941 logprintf("\n\t");
1942 cluster = uaudio_get_cluster(i, iot);
1943 uaudio_dump_cluster(&cluster);
1944 logprintf("\n");
1945 break;
1946 case UDESCSUB_AC_SELECTOR:
1947 logprintf("AC_SELECTOR src=");
1948 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1949 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1950 logprintf("\n");
1951 break;
1952 case UDESCSUB_AC_FEATURE:
1953 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1954 break;
1955 case UDESCSUB_AC_PROCESSING:
1956 logprintf("AC_PROCESSING src=");
1957 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1958 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1959 logprintf("\n\t");
1960 cluster = uaudio_get_cluster(i, iot);
1961 uaudio_dump_cluster(&cluster);
1962 logprintf("\n");
1963 break;
1964 case UDESCSUB_AC_EXTENSION:
1965 logprintf("AC_EXTENSION src=");
1966 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1967 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1968 logprintf("\n\t");
1969 cluster = uaudio_get_cluster(i, iot);
1970 uaudio_dump_cluster(&cluster);
1971 logprintf("\n");
1972 break;
1973 default:
1974 logprintf("unknown audio control (subtype=%d)\n",
1975 iot[i].d.desc->bDescriptorSubtype);
1976 }
1977 for (j = 0; j < iot[i].inputs_size; j++) {
1978 int k;
1979 logprintf("\tinput%d: ", j);
1980 tml = iot[i].inputs[j];
1981 if (tml == NULL) {
1982 logprintf("NULL\n");
1983 continue;
1984 }
1985 for (k = 0; k < tml->size; k++)
1986 logprintf("%s ", uaudio_get_terminal_name
1987 (tml->terminals[k]));
1988 logprintf("\n");
1989 }
1990 logprintf("\toutput: ");
1991 tml = iot[i].output;
1992 for (j = 0; j < tml->size; j++)
1993 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
1994 logprintf("\n");
1995 }
1996 #endif
1997
1998 for (i = 0; i < ndps; i++) {
1999 dp = iot[i].d.desc;
2000 if (dp == NULL)
2001 continue;
2002 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
2003 i, dp->bDescriptorSubtype));
2004 switch (dp->bDescriptorSubtype) {
2005 case UDESCSUB_AC_HEADER:
2006 printf("uaudio_identify_ac: unexpected AC header\n");
2007 break;
2008 case UDESCSUB_AC_INPUT:
2009 uaudio_add_input(sc, iot, i);
2010 break;
2011 case UDESCSUB_AC_OUTPUT:
2012 uaudio_add_output(sc, iot, i);
2013 break;
2014 case UDESCSUB_AC_MIXER:
2015 uaudio_add_mixer(sc, iot, i);
2016 break;
2017 case UDESCSUB_AC_SELECTOR:
2018 uaudio_add_selector(sc, iot, i);
2019 break;
2020 case UDESCSUB_AC_FEATURE:
2021 uaudio_add_feature(sc, iot, i);
2022 break;
2023 case UDESCSUB_AC_PROCESSING:
2024 uaudio_add_processing(sc, iot, i);
2025 break;
2026 case UDESCSUB_AC_EXTENSION:
2027 uaudio_add_extension(sc, iot, i);
2028 break;
2029 default:
2030 printf("uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2031 dp->bDescriptorSubtype);
2032 break;
2033 }
2034 }
2035
2036 /* delete io_terminal */
2037 for (i = 0; i < 256; i++) {
2038 if (iot[i].d.desc == NULL)
2039 continue;
2040 if (iot[i].inputs != NULL) {
2041 for (j = 0; j < iot[i].inputs_size; j++) {
2042 if (iot[i].inputs[j] != NULL)
2043 free(iot[i].inputs[j], M_TEMP);
2044 }
2045 free(iot[i].inputs, M_TEMP);
2046 }
2047 if (iot[i].output != NULL)
2048 free(iot[i].output, M_TEMP);
2049 iot[i].d.desc = NULL;
2050 }
2051 free(iot, M_TEMP);
2052
2053 return USBD_NORMAL_COMPLETION;
2054 }
2055
2056 Static int
2057 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2058 {
2059 struct uaudio_softc *sc;
2060 struct mixerctl *mc;
2061 int n, nctls, i;
2062
2063 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2064 sc = addr;
2065 if (sc->sc_dying)
2066 return EIO;
2067
2068 n = mi->index;
2069 nctls = sc->sc_nctls;
2070
2071 switch (n) {
2072 case UAC_OUTPUT:
2073 mi->type = AUDIO_MIXER_CLASS;
2074 mi->mixer_class = UAC_OUTPUT;
2075 mi->next = mi->prev = AUDIO_MIXER_LAST;
2076 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2077 return 0;
2078 case UAC_INPUT:
2079 mi->type = AUDIO_MIXER_CLASS;
2080 mi->mixer_class = UAC_INPUT;
2081 mi->next = mi->prev = AUDIO_MIXER_LAST;
2082 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2083 return 0;
2084 case UAC_EQUAL:
2085 mi->type = AUDIO_MIXER_CLASS;
2086 mi->mixer_class = UAC_EQUAL;
2087 mi->next = mi->prev = AUDIO_MIXER_LAST;
2088 strlcpy(mi->label.name, AudioCequalization,
2089 sizeof(mi->label.name));
2090 return 0;
2091 case UAC_RECORD:
2092 mi->type = AUDIO_MIXER_CLASS;
2093 mi->mixer_class = UAC_RECORD;
2094 mi->next = mi->prev = AUDIO_MIXER_LAST;
2095 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2096 return 0;
2097 default:
2098 break;
2099 }
2100
2101 n -= UAC_NCLASSES;
2102 if (n < 0 || n >= nctls)
2103 return ENXIO;
2104
2105 mc = &sc->sc_ctls[n];
2106 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2107 mi->mixer_class = mc->class;
2108 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2109 switch (mc->type) {
2110 case MIX_ON_OFF:
2111 mi->type = AUDIO_MIXER_ENUM;
2112 mi->un.e.num_mem = 2;
2113 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2114 sizeof(mi->un.e.member[0].label.name));
2115 mi->un.e.member[0].ord = 0;
2116 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2117 sizeof(mi->un.e.member[1].label.name));
2118 mi->un.e.member[1].ord = 1;
2119 break;
2120 case MIX_SELECTOR:
2121 mi->type = AUDIO_MIXER_ENUM;
2122 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2123 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2124 snprintf(mi->un.e.member[i].label.name,
2125 sizeof(mi->un.e.member[i].label.name),
2126 "%d", i + mc->minval);
2127 mi->un.e.member[i].ord = i + mc->minval;
2128 }
2129 break;
2130 default:
2131 mi->type = AUDIO_MIXER_VALUE;
2132 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2133 mi->un.v.num_channels = mc->nchan;
2134 mi->un.v.delta = mc->delta;
2135 break;
2136 }
2137 return 0;
2138 }
2139
2140 Static int
2141 uaudio_open(void *addr, int flags)
2142 {
2143 struct uaudio_softc *sc;
2144
2145 sc = addr;
2146 DPRINTF(("uaudio_open: sc=%p\n", sc));
2147 if (sc->sc_dying)
2148 return EIO;
2149
2150 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2151 return EACCES;
2152 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2153 return EACCES;
2154
2155 return 0;
2156 }
2157
2158 /*
2159 * Close function is called at splaudio().
2160 */
2161 Static void
2162 uaudio_close(void *addr)
2163 {
2164 }
2165
2166 Static int
2167 uaudio_drain(void *addr)
2168 {
2169 struct uaudio_softc *sc;
2170
2171 sc = addr;
2172 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2173
2174 return 0;
2175 }
2176
2177 Static int
2178 uaudio_halt_out_dma(void *addr)
2179 {
2180 struct uaudio_softc *sc;
2181
2182 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2183 sc = addr;
2184 if (sc->sc_playchan.pipe != NULL) {
2185 uaudio_chan_close(sc, &sc->sc_playchan);
2186 sc->sc_playchan.pipe = NULL;
2187 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2188 sc->sc_playchan.intr = NULL;
2189 }
2190 return 0;
2191 }
2192
2193 Static int
2194 uaudio_halt_in_dma(void *addr)
2195 {
2196 struct uaudio_softc *sc;
2197
2198 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2199 sc = addr;
2200 if (sc->sc_recchan.pipe != NULL) {
2201 uaudio_chan_close(sc, &sc->sc_recchan);
2202 sc->sc_recchan.pipe = NULL;
2203 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2204 sc->sc_recchan.intr = NULL;
2205 }
2206 return 0;
2207 }
2208
2209 Static int
2210 uaudio_getdev(void *addr, struct audio_device *retp)
2211 {
2212 struct uaudio_softc *sc;
2213
2214 DPRINTF(("uaudio_mixer_getdev:\n"));
2215 sc = addr;
2216 if (sc->sc_dying)
2217 return EIO;
2218
2219 *retp = uaudio_device;
2220 return 0;
2221 }
2222
2223 /*
2224 * Make sure the block size is large enough to hold all outstanding transfers.
2225 */
2226 Static int
2227 uaudio_round_blocksize(void *addr, int blk,
2228 int mode, const audio_params_t *param)
2229 {
2230 struct uaudio_softc *sc;
2231 int b;
2232
2233 sc = addr;
2234 DPRINTF(("uaudio_round_blocksize: blk=%d mode=%s\n", blk,
2235 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"));
2236
2237 /* chan.bytes_per_frame can be 0. */
2238 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2239 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2240
2241 /*
2242 * This does not make accurate value in the case
2243 * of b % USB_FRAMES_PER_SECOND != 0
2244 */
2245 b /= USB_FRAMES_PER_SECOND;
2246
2247 b *= param->precision / 8 * param->channels;
2248 } else {
2249 /*
2250 * use wMaxPacketSize in bytes_per_frame.
2251 * See uaudio_set_params() and uaudio_chan_init()
2252 */
2253 b = sc->sc_recchan.bytes_per_frame
2254 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2255 }
2256
2257 if (b <= 0)
2258 b = 1;
2259 blk = blk <= b ? b : blk / b * b;
2260
2261 #ifdef DIAGNOSTIC
2262 if (blk <= 0) {
2263 printf("uaudio_round_blocksize: blk=%d\n", blk);
2264 blk = 512;
2265 }
2266 #endif
2267
2268 DPRINTF(("uaudio_round_blocksize: resultant blk=%d\n", blk));
2269 return blk;
2270 }
2271
2272 Static int
2273 uaudio_get_props(void *addr)
2274 {
2275 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2276
2277 }
2278
2279 Static int
2280 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2281 int wIndex, int len)
2282 {
2283 usb_device_request_t req;
2284 u_int8_t data[4];
2285 usbd_status err;
2286 int val;
2287
2288 if (wValue == -1)
2289 return 0;
2290
2291 req.bmRequestType = type;
2292 req.bRequest = which;
2293 USETW(req.wValue, wValue);
2294 USETW(req.wIndex, wIndex);
2295 USETW(req.wLength, len);
2296 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2297 "wIndex=0x%04x len=%d\n",
2298 type, which, wValue, wIndex, len));
2299 err = usbd_do_request(sc->sc_udev, &req, data);
2300 if (err) {
2301 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2302 return -1;
2303 }
2304 switch (len) {
2305 case 1:
2306 val = data[0];
2307 break;
2308 case 2:
2309 val = data[0] | (data[1] << 8);
2310 break;
2311 default:
2312 DPRINTF(("uaudio_get: bad length=%d\n", len));
2313 return -1;
2314 }
2315 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2316 return val;
2317 }
2318
2319 Static void
2320 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2321 int wIndex, int len, int val)
2322 {
2323 usb_device_request_t req;
2324 u_int8_t data[4];
2325 usbd_status err;
2326
2327 if (wValue == -1)
2328 return;
2329
2330 req.bmRequestType = type;
2331 req.bRequest = which;
2332 USETW(req.wValue, wValue);
2333 USETW(req.wIndex, wIndex);
2334 USETW(req.wLength, len);
2335 switch (len) {
2336 case 1:
2337 data[0] = val;
2338 break;
2339 case 2:
2340 data[0] = val;
2341 data[1] = val >> 8;
2342 break;
2343 default:
2344 return;
2345 }
2346 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2347 "wIndex=0x%04x len=%d, val=%d\n",
2348 type, which, wValue, wIndex, len, val & 0xffff));
2349 err = usbd_do_request(sc->sc_udev, &req, data);
2350 #ifdef UAUDIO_DEBUG
2351 if (err)
2352 DPRINTF(("uaudio_set: err=%d\n", err));
2353 #endif
2354 }
2355
2356 Static int
2357 uaudio_signext(int type, int val)
2358 {
2359 if (!MIX_UNSIGNED(type)) {
2360 if (MIX_SIZE(type) == 2)
2361 val = (int16_t)val;
2362 else
2363 val = (int8_t)val;
2364 }
2365 return val;
2366 }
2367
2368 Static int
2369 uaudio_value2bsd(struct mixerctl *mc, int val)
2370 {
2371 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2372 mc->type, val, mc->minval, mc->maxval));
2373 if (mc->type == MIX_ON_OFF) {
2374 val = (val != 0);
2375 } else if (mc->type == MIX_SELECTOR) {
2376 if (val < mc->minval || val > mc->maxval)
2377 val = mc->minval;
2378 } else
2379 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2380 + mc->mul/2) / mc->mul;
2381 DPRINTFN(5, ("val'=%d\n", val));
2382 return val;
2383 }
2384
2385 int
2386 uaudio_bsd2value(struct mixerctl *mc, int val)
2387 {
2388 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2389 mc->type, val, mc->minval, mc->maxval));
2390 if (mc->type == MIX_ON_OFF) {
2391 val = (val != 0);
2392 } else if (mc->type == MIX_SELECTOR) {
2393 if (val < mc->minval || val > mc->maxval)
2394 val = mc->minval;
2395 } else
2396 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2397 DPRINTFN(5, ("val'=%d\n", val));
2398 return val;
2399 }
2400
2401 Static int
2402 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2403 int chan)
2404 {
2405 int val;
2406
2407 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2408 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2409 mc->wIndex, MIX_SIZE(mc->type));
2410 return uaudio_value2bsd(mc, val);
2411 }
2412
2413 Static void
2414 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2415 int chan, int val)
2416 {
2417 val = uaudio_bsd2value(mc, val);
2418 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2419 mc->wIndex, MIX_SIZE(mc->type), val);
2420 }
2421
2422 Static int
2423 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2424 {
2425 struct uaudio_softc *sc;
2426 struct mixerctl *mc;
2427 int i, n, vals[MIX_MAX_CHAN], val;
2428
2429 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2430 sc = addr;
2431 if (sc->sc_dying)
2432 return EIO;
2433
2434 n = cp->dev - UAC_NCLASSES;
2435 if (n < 0 || n >= sc->sc_nctls)
2436 return ENXIO;
2437 mc = &sc->sc_ctls[n];
2438
2439 if (mc->type == MIX_ON_OFF) {
2440 if (cp->type != AUDIO_MIXER_ENUM)
2441 return EINVAL;
2442 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2443 } else if (mc->type == MIX_SELECTOR) {
2444 if (cp->type != AUDIO_MIXER_ENUM)
2445 return EINVAL;
2446 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2447 } else {
2448 if (cp->type != AUDIO_MIXER_VALUE)
2449 return EINVAL;
2450 if (cp->un.value.num_channels != 1 &&
2451 cp->un.value.num_channels != mc->nchan)
2452 return EINVAL;
2453 for (i = 0; i < mc->nchan; i++)
2454 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2455 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2456 for (val = 0, i = 0; i < mc->nchan; i++)
2457 val += vals[i];
2458 vals[0] = val / mc->nchan;
2459 }
2460 for (i = 0; i < cp->un.value.num_channels; i++)
2461 cp->un.value.level[i] = vals[i];
2462 }
2463
2464 return 0;
2465 }
2466
2467 Static int
2468 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2469 {
2470 struct uaudio_softc *sc;
2471 struct mixerctl *mc;
2472 int i, n, vals[MIX_MAX_CHAN];
2473
2474 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2475 sc = addr;
2476 if (sc->sc_dying)
2477 return EIO;
2478
2479 n = cp->dev - UAC_NCLASSES;
2480 if (n < 0 || n >= sc->sc_nctls)
2481 return ENXIO;
2482 mc = &sc->sc_ctls[n];
2483
2484 if (mc->type == MIX_ON_OFF) {
2485 if (cp->type != AUDIO_MIXER_ENUM)
2486 return EINVAL;
2487 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2488 } else if (mc->type == MIX_SELECTOR) {
2489 if (cp->type != AUDIO_MIXER_ENUM)
2490 return EINVAL;
2491 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2492 } else {
2493 if (cp->type != AUDIO_MIXER_VALUE)
2494 return EINVAL;
2495 if (cp->un.value.num_channels == 1)
2496 for (i = 0; i < mc->nchan; i++)
2497 vals[i] = cp->un.value.level[0];
2498 else if (cp->un.value.num_channels == mc->nchan)
2499 for (i = 0; i < mc->nchan; i++)
2500 vals[i] = cp->un.value.level[i];
2501 else
2502 return EINVAL;
2503 for (i = 0; i < mc->nchan; i++)
2504 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2505 }
2506 return 0;
2507 }
2508
2509 Static int
2510 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2511 void (*intr)(void *), void *arg,
2512 const audio_params_t *param)
2513 {
2514 struct uaudio_softc *sc;
2515 struct chan *ch;
2516 usbd_status err;
2517 int i, s;
2518
2519 sc = addr;
2520 if (sc->sc_dying)
2521 return EIO;
2522
2523 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2524 "blksize=%d\n", sc, start, end, blksize));
2525 ch = &sc->sc_recchan;
2526 uaudio_chan_set_param(ch, start, end, blksize);
2527 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2528 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2529 ch->fraction));
2530
2531 err = uaudio_chan_alloc_buffers(sc, ch);
2532 if (err)
2533 return EIO;
2534
2535 err = uaudio_chan_open(sc, ch);
2536 if (err) {
2537 uaudio_chan_free_buffers(sc, ch);
2538 return EIO;
2539 }
2540
2541 ch->intr = intr;
2542 ch->arg = arg;
2543
2544 s = splusb();
2545 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2546 uaudio_chan_rtransfer(ch);
2547 splx(s);
2548
2549 return 0;
2550 }
2551
2552 Static int
2553 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2554 void (*intr)(void *), void *arg,
2555 const audio_params_t *param)
2556 {
2557 struct uaudio_softc *sc;
2558 struct chan *ch;
2559 usbd_status err;
2560 int i, s;
2561
2562 sc = addr;
2563 if (sc->sc_dying)
2564 return EIO;
2565
2566 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2567 "blksize=%d\n", sc, start, end, blksize));
2568 ch = &sc->sc_playchan;
2569 uaudio_chan_set_param(ch, start, end, blksize);
2570 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2571 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2572 ch->fraction));
2573
2574 err = uaudio_chan_alloc_buffers(sc, ch);
2575 if (err)
2576 return EIO;
2577
2578 err = uaudio_chan_open(sc, ch);
2579 if (err) {
2580 uaudio_chan_free_buffers(sc, ch);
2581 return EIO;
2582 }
2583
2584 ch->intr = intr;
2585 ch->arg = arg;
2586
2587 s = splusb();
2588 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2589 uaudio_chan_ptransfer(ch);
2590 splx(s);
2591
2592 return 0;
2593 }
2594
2595 /* Set up a pipe for a channel. */
2596 Static usbd_status
2597 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2598 {
2599 struct as_info *as;
2600 int endpt;
2601 usbd_status err;
2602
2603 as = &sc->sc_alts[ch->altidx];
2604 endpt = as->edesc->bEndpointAddress;
2605 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2606 endpt, ch->sample_rate, as->alt));
2607
2608 /* Set alternate interface corresponding to the mode. */
2609 err = usbd_set_interface(as->ifaceh, as->alt);
2610 if (err)
2611 return err;
2612
2613 /*
2614 * If just one sampling rate is supported,
2615 * no need to call uaudio_set_speed().
2616 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2617 */
2618 if (as->asf1desc->bSamFreqType != 1) {
2619 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2620 if (err) {
2621 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2622 usbd_errstr(err)));
2623 }
2624 }
2625
2626 ch->pipe = 0;
2627 ch->sync_pipe = 0;
2628 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2629 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2630 if (err)
2631 return err;
2632 if (as->edesc1 != NULL) {
2633 endpt = as->edesc1->bEndpointAddress;
2634 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2635 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2636 }
2637 return err;
2638 }
2639
2640 Static void
2641 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2642 {
2643 struct as_info *as;
2644
2645 as = &sc->sc_alts[ch->altidx];
2646 as->sc_busy = 0;
2647 AUFMT_VALIDATE(as->aformat);
2648 if (sc->sc_nullalt >= 0) {
2649 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2650 sc->sc_nullalt));
2651 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2652 }
2653 if (ch->pipe) {
2654 usbd_abort_pipe(ch->pipe);
2655 usbd_close_pipe(ch->pipe);
2656 }
2657 if (ch->sync_pipe) {
2658 usbd_abort_pipe(ch->sync_pipe);
2659 usbd_close_pipe(ch->sync_pipe);
2660 }
2661 }
2662
2663 Static usbd_status
2664 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2665 {
2666 usbd_xfer_handle xfer;
2667 void *tbuf;
2668 int i, size;
2669
2670 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2671 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2672 xfer = usbd_alloc_xfer(sc->sc_udev);
2673 if (xfer == 0)
2674 goto bad;
2675 ch->chanbufs[i].xfer = xfer;
2676 tbuf = usbd_alloc_buffer(xfer, size);
2677 if (tbuf == 0) {
2678 i++;
2679 goto bad;
2680 }
2681 ch->chanbufs[i].buffer = tbuf;
2682 ch->chanbufs[i].chan = ch;
2683 }
2684
2685 return USBD_NORMAL_COMPLETION;
2686
2687 bad:
2688 while (--i >= 0)
2689 /* implicit buffer free */
2690 usbd_free_xfer(ch->chanbufs[i].xfer);
2691 return USBD_NOMEM;
2692 }
2693
2694 Static void
2695 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2696 {
2697 int i;
2698
2699 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2700 usbd_free_xfer(ch->chanbufs[i].xfer);
2701 }
2702
2703 /* Called at splusb() */
2704 Static void
2705 uaudio_chan_ptransfer(struct chan *ch)
2706 {
2707 struct chanbuf *cb;
2708 int i, n, size, residue, total;
2709
2710 if (ch->sc->sc_dying)
2711 return;
2712
2713 /* Pick the next channel buffer. */
2714 cb = &ch->chanbufs[ch->curchanbuf];
2715 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2716 ch->curchanbuf = 0;
2717
2718 /* Compute the size of each frame in the next transfer. */
2719 residue = ch->residue;
2720 total = 0;
2721 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2722 size = ch->bytes_per_frame;
2723 residue += ch->fraction;
2724 if (residue >= USB_FRAMES_PER_SECOND) {
2725 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2726 size += ch->sample_size;
2727 residue -= USB_FRAMES_PER_SECOND;
2728 }
2729 cb->sizes[i] = size;
2730 total += size;
2731 }
2732 ch->residue = residue;
2733 cb->size = total;
2734
2735 /*
2736 * Transfer data from upper layer buffer to channel buffer, taking
2737 * care of wrapping the upper layer buffer.
2738 */
2739 n = min(total, ch->end - ch->cur);
2740 memcpy(cb->buffer, ch->cur, n);
2741 ch->cur += n;
2742 if (ch->cur >= ch->end)
2743 ch->cur = ch->start;
2744 if (total > n) {
2745 total -= n;
2746 memcpy(cb->buffer + n, ch->cur, total);
2747 ch->cur += total;
2748 }
2749
2750 #ifdef UAUDIO_DEBUG
2751 if (uaudiodebug > 8) {
2752 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2753 cb->buffer, ch->residue));
2754 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2755 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2756 }
2757 }
2758 #endif
2759
2760 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2761 /* Fill the request */
2762 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2763 UAUDIO_NFRAMES, USBD_NO_COPY,
2764 uaudio_chan_pintr);
2765
2766 (void)usbd_transfer(cb->xfer);
2767 }
2768
2769 Static void
2770 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2771 usbd_status status)
2772 {
2773 struct chanbuf *cb;
2774 struct chan *ch;
2775 uint32_t count;
2776 int s;
2777
2778 cb = priv;
2779 ch = cb->chan;
2780 /* Return if we are aborting. */
2781 if (status == USBD_CANCELLED)
2782 return;
2783
2784 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2785 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2786 count, ch->transferred));
2787 #ifdef DIAGNOSTIC
2788 if (count != cb->size) {
2789 printf("uaudio_chan_pintr: count(%d) != size(%d)\n",
2790 count, cb->size);
2791 }
2792 #endif
2793
2794 ch->transferred += cb->size;
2795 s = splaudio();
2796 /* Call back to upper layer */
2797 while (ch->transferred >= ch->blksize) {
2798 ch->transferred -= ch->blksize;
2799 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2800 ch->intr, ch->arg));
2801 ch->intr(ch->arg);
2802 }
2803 splx(s);
2804
2805 /* start next transfer */
2806 uaudio_chan_ptransfer(ch);
2807 }
2808
2809 /* Called at splusb() */
2810 Static void
2811 uaudio_chan_rtransfer(struct chan *ch)
2812 {
2813 struct chanbuf *cb;
2814 int i, size, residue, total;
2815
2816 if (ch->sc->sc_dying)
2817 return;
2818
2819 /* Pick the next channel buffer. */
2820 cb = &ch->chanbufs[ch->curchanbuf];
2821 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2822 ch->curchanbuf = 0;
2823
2824 /* Compute the size of each frame in the next transfer. */
2825 residue = ch->residue;
2826 total = 0;
2827 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2828 size = ch->bytes_per_frame;
2829 cb->sizes[i] = size;
2830 cb->offsets[i] = total;
2831 total += size;
2832 }
2833 ch->residue = residue;
2834 cb->size = total;
2835
2836 #ifdef UAUDIO_DEBUG
2837 if (uaudiodebug > 8) {
2838 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2839 cb->buffer, ch->residue));
2840 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2841 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2842 }
2843 }
2844 #endif
2845
2846 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2847 /* Fill the request */
2848 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2849 UAUDIO_NFRAMES, USBD_NO_COPY,
2850 uaudio_chan_rintr);
2851
2852 (void)usbd_transfer(cb->xfer);
2853 }
2854
2855 Static void
2856 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2857 usbd_status status)
2858 {
2859 struct chanbuf *cb;
2860 struct chan *ch;
2861 uint32_t count;
2862 int s, i, n, frsize;
2863
2864 cb = priv;
2865 ch = cb->chan;
2866 /* Return if we are aborting. */
2867 if (status == USBD_CANCELLED)
2868 return;
2869
2870 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2871 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2872 count, ch->transferred));
2873
2874 /* count < cb->size is normal for asynchronous source */
2875 #ifdef DIAGNOSTIC
2876 if (count > cb->size) {
2877 printf("uaudio_chan_rintr: count(%d) > size(%d)\n",
2878 count, cb->size);
2879 }
2880 #endif
2881
2882 /*
2883 * Transfer data from channel buffer to upper layer buffer, taking
2884 * care of wrapping the upper layer buffer.
2885 */
2886 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2887 frsize = cb->sizes[i];
2888 n = min(frsize, ch->end - ch->cur);
2889 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2890 ch->cur += n;
2891 if (ch->cur >= ch->end)
2892 ch->cur = ch->start;
2893 if (frsize > n) {
2894 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2895 frsize - n);
2896 ch->cur += frsize - n;
2897 }
2898 }
2899
2900 /* Call back to upper layer */
2901 ch->transferred += count;
2902 s = splaudio();
2903 while (ch->transferred >= ch->blksize) {
2904 ch->transferred -= ch->blksize;
2905 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2906 ch->intr, ch->arg));
2907 ch->intr(ch->arg);
2908 }
2909 splx(s);
2910
2911 /* start next transfer */
2912 uaudio_chan_rtransfer(ch);
2913 }
2914
2915 Static void
2916 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2917 int maxpktsize)
2918 {
2919 int samples_per_frame, sample_size;
2920
2921 ch->altidx = altidx;
2922 sample_size = param->precision * param->channels / 8;
2923 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2924 ch->sample_size = sample_size;
2925 ch->sample_rate = param->sample_rate;
2926 if (maxpktsize == 0) {
2927 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2928 ch->bytes_per_frame = samples_per_frame * sample_size;
2929 } else {
2930 ch->fraction = 0;
2931 ch->bytes_per_frame = maxpktsize;
2932 }
2933 ch->residue = 0;
2934 }
2935
2936 Static void
2937 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2938 {
2939
2940 ch->start = start;
2941 ch->end = end;
2942 ch->cur = start;
2943 ch->blksize = blksize;
2944 ch->transferred = 0;
2945 ch->curchanbuf = 0;
2946 }
2947
2948 Static int
2949 uaudio_set_params(void *addr, int setmode, int usemode,
2950 struct audio_params *play, struct audio_params *rec,
2951 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
2952 {
2953 struct uaudio_softc *sc;
2954 int paltidx, raltidx;
2955 struct audio_params *p;
2956 stream_filter_list_t *fil;
2957 int mode, i;
2958
2959 sc = addr;
2960 paltidx = -1;
2961 raltidx = -1;
2962 if (sc->sc_dying)
2963 return EIO;
2964
2965 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2966 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2967 return EBUSY;
2968
2969 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2970 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2971 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2972 }
2973 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2974 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2975 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2976 }
2977
2978 /* Some uaudio devices are unidirectional. Don't try to find a
2979 matching mode for the unsupported direction. */
2980 setmode &= sc->sc_mode;
2981
2982 for (mode = AUMODE_RECORD; mode != -1;
2983 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2984 if ((setmode & mode) == 0)
2985 continue;
2986
2987 if (mode == AUMODE_PLAY) {
2988 p = play;
2989 fil = pfil;
2990 } else {
2991 p = rec;
2992 fil = rfil;
2993 }
2994 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
2995 mode, p, TRUE, fil);
2996 if (i < 0)
2997 return EINVAL;
2998
2999 if (mode == AUMODE_PLAY)
3000 paltidx = i;
3001 else
3002 raltidx = i;
3003 }
3004
3005 if ((setmode & AUMODE_PLAY)) {
3006 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3007 /* XXX abort transfer if currently happening? */
3008 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3009 }
3010 if ((setmode & AUMODE_RECORD)) {
3011 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3012 /* XXX abort transfer if currently happening? */
3013 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3014 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3015 }
3016
3017 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3018 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3019 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3020 }
3021 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3022 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3023 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3024 }
3025
3026 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3027 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3028 (sc->sc_playchan.altidx >= 0)
3029 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3030 : -1,
3031 (sc->sc_recchan.altidx >= 0)
3032 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3033 : -1));
3034
3035 return 0;
3036 }
3037
3038 Static usbd_status
3039 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3040 {
3041 usb_device_request_t req;
3042 uint8_t data[3];
3043
3044 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3045 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3046 req.bRequest = SET_CUR;
3047 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3048 USETW(req.wIndex, endpt);
3049 USETW(req.wLength, 3);
3050 data[0] = speed;
3051 data[1] = speed >> 8;
3052 data[2] = speed >> 16;
3053
3054 return usbd_do_request(sc->sc_udev, &req, data);
3055 }
3056