uaudio.c revision 1.107 1 /* $NetBSD: uaudio.c,v 1.107 2006/11/16 01:33:26 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 1.107 2006/11/16 01:33:26 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,
620 const struct io_terminal *iot, int id)
621 {
622 static char tbuf[32];
623
624 snprintf(tbuf, sizeof(tbuf), "i%d", id);
625 return tbuf;
626 }
627
628 #ifdef UAUDIO_DEBUG
629 Static void
630 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
631 {
632 static const char *channel_names[16] = {
633 "LEFT", "RIGHT", "CENTER", "LFE",
634 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
635 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
636 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
637 };
638 int cc, i, first;
639
640 cc = UGETW(cl->wChannelConfig);
641 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
642 cl->bNrChannels, cc);
643 first = TRUE;
644 for (i = 0; cc != 0; i++) {
645 if (cc & 1) {
646 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
647 first = FALSE;
648 }
649 cc = cc >> 1;
650 }
651 logprintf("> iChannelNames=%u", cl->iChannelNames);
652 }
653 #endif
654
655 Static struct usb_audio_cluster
656 uaudio_get_cluster(int id, const struct io_terminal *iot)
657 {
658 struct usb_audio_cluster r;
659 const usb_descriptor_t *dp;
660 int i;
661
662 for (i = 0; i < 25; i++) { /* avoid infinite loops */
663 dp = iot[id].d.desc;
664 if (dp == 0)
665 goto bad;
666 switch (dp->bDescriptorSubtype) {
667 case UDESCSUB_AC_INPUT:
668 r.bNrChannels = iot[id].d.it->bNrChannels;
669 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
670 r.iChannelNames = iot[id].d.it->iChannelNames;
671 return r;
672 case UDESCSUB_AC_OUTPUT:
673 id = iot[id].d.ot->bSourceId;
674 break;
675 case UDESCSUB_AC_MIXER:
676 r = *(const struct usb_audio_cluster *)
677 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
678 return r;
679 case UDESCSUB_AC_SELECTOR:
680 /* XXX This is not really right */
681 id = iot[id].d.su->baSourceId[0];
682 break;
683 case UDESCSUB_AC_FEATURE:
684 id = iot[id].d.fu->bSourceId;
685 break;
686 case UDESCSUB_AC_PROCESSING:
687 r = *(const struct usb_audio_cluster *)
688 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
689 return r;
690 case UDESCSUB_AC_EXTENSION:
691 r = *(const struct usb_audio_cluster *)
692 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
693 return r;
694 default:
695 goto bad;
696 }
697 }
698 bad:
699 printf("uaudio_get_cluster: bad data\n");
700 memset(&r, 0, sizeof r);
701 return r;
702
703 }
704
705 Static void
706 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
707 {
708 const struct usb_audio_input_terminal *d;
709
710 d = iot[id].d.it;
711 #ifdef UAUDIO_DEBUG
712 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
713 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
714 "iChannelNames=%d iTerminal=%d\n",
715 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
716 d->bNrChannels, UGETW(d->wChannelConfig),
717 d->iChannelNames, d->iTerminal));
718 #endif
719 /* If USB input terminal, record wChannelConfig */
720 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
721 return;
722 sc->sc_channel_config = UGETW(d->wChannelConfig);
723 }
724
725 Static void
726 uaudio_add_output(struct uaudio_softc *sc,
727 const struct io_terminal *iot, int id)
728 {
729 #ifdef UAUDIO_DEBUG
730 const struct usb_audio_output_terminal *d;
731
732 d = iot[id].d.ot;
733 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
734 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
735 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
736 d->bSourceId, d->iTerminal));
737 #endif
738 }
739
740 Static void
741 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
742 {
743 const struct usb_audio_mixer_unit *d;
744 const struct usb_audio_mixer_unit_1 *d1;
745 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
746 const uByte *bm;
747 struct mixerctl mix;
748
749 d = iot[id].d.mu;
750 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
751 d->bUnitId, d->bNrInPins));
752
753 /* Compute the number of input channels */
754 ichs = 0;
755 for (i = 0; i < d->bNrInPins; i++)
756 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
757
758 /* and the number of output channels */
759 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
760 ochs = d1->bNrChannels;
761 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
762
763 bm = d1->bmControls;
764 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
765 uaudio_determine_class(&iot[id], &mix);
766 mix.type = MIX_SIGNED_16;
767 mix.ctlunit = AudioNvolume;
768 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
769 for (p = i = 0; i < d->bNrInPins; i++) {
770 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
771 mc = 0;
772 for (c = 0; c < chs; c++) {
773 mo = 0;
774 for (o = 0; o < ochs; o++) {
775 bno = (p + c) * ochs + o;
776 if (_BIT(bno))
777 mo++;
778 }
779 if (mo == 1)
780 mc++;
781 }
782 if (mc == chs && chs <= MIX_MAX_CHAN) {
783 k = 0;
784 for (c = 0; c < chs; c++)
785 for (o = 0; o < ochs; o++) {
786 bno = (p + c) * ochs + o;
787 if (_BIT(bno))
788 mix.wValue[k++] =
789 MAKE(p+c+1, o+1);
790 }
791 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
792 d->bUnitId, uaudio_id_name(sc, iot,
793 d->baSourceId[i]));
794 mix.nchan = chs;
795 uaudio_mixer_add_ctl(sc, &mix);
796 } else {
797 /* XXX */
798 }
799 #undef _BIT
800 p += chs;
801 }
802
803 }
804
805 Static void
806 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
807 {
808 const struct usb_audio_selector_unit *d;
809 struct mixerctl mix;
810 int i, wp;
811
812 d = iot[id].d.su;
813 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
814 d->bUnitId, d->bNrInPins));
815 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
816 mix.wValue[0] = MAKE(0, 0);
817 uaudio_determine_class(&iot[id], &mix);
818 mix.nchan = 1;
819 mix.type = MIX_SELECTOR;
820 mix.ctlunit = "";
821 mix.minval = 1;
822 mix.maxval = d->bNrInPins;
823 mix.mul = mix.maxval - mix.minval;
824 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
825 for (i = 1; i <= d->bNrInPins; i++) {
826 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
827 "i%d", d->baSourceId[i - 1]);
828 if (wp > MAX_AUDIO_DEV_LEN - 1)
829 break;
830 }
831 uaudio_mixer_add_ctl(sc, &mix);
832 }
833
834 #ifdef UAUDIO_DEBUG
835 Static const char *
836 uaudio_get_terminal_name(int terminal_type)
837 {
838 static char tbuf[100];
839
840 switch (terminal_type) {
841 /* USB terminal types */
842 case UAT_UNDEFINED: return "UAT_UNDEFINED";
843 case UAT_STREAM: return "UAT_STREAM";
844 case UAT_VENDOR: return "UAT_VENDOR";
845 /* input terminal types */
846 case UATI_UNDEFINED: return "UATI_UNDEFINED";
847 case UATI_MICROPHONE: return "UATI_MICROPHONE";
848 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
849 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
850 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
851 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
852 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
853 /* output terminal types */
854 case UATO_UNDEFINED: return "UATO_UNDEFINED";
855 case UATO_SPEAKER: return "UATO_SPEAKER";
856 case UATO_HEADPHONES: return "UATO_HEADPHONES";
857 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
858 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
859 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
860 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
861 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
862 /* bidir terminal types */
863 case UATB_UNDEFINED: return "UATB_UNDEFINED";
864 case UATB_HANDSET: return "UATB_HANDSET";
865 case UATB_HEADSET: return "UATB_HEADSET";
866 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
867 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
868 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
869 /* telephony terminal types */
870 case UATT_UNDEFINED: return "UATT_UNDEFINED";
871 case UATT_PHONELINE: return "UATT_PHONELINE";
872 case UATT_TELEPHONE: return "UATT_TELEPHONE";
873 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
874 /* external terminal types */
875 case UATE_UNDEFINED: return "UATE_UNDEFINED";
876 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
877 case UATE_LINECONN: return "UATE_LINECONN";
878 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
879 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
880 case UATE_SPDIF: return "UATE_SPDIF";
881 case UATE_1394DA: return "UATE_1394DA";
882 case UATE_1394DV: return "UATE_1394DV";
883 /* embedded function terminal types */
884 case UATF_UNDEFINED: return "UATF_UNDEFINED";
885 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
886 case UATF_EQUNOISE: return "UATF_EQUNOISE";
887 case UATF_CDPLAYER: return "UATF_CDPLAYER";
888 case UATF_DAT: return "UATF_DAT";
889 case UATF_DCC: return "UATF_DCC";
890 case UATF_MINIDISK: return "UATF_MINIDISK";
891 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
892 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
893 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
894 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
895 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
896 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
897 case UATF_SATELLITE: return "UATF_SATELLITE";
898 case UATF_CABLETUNER: return "UATF_CABLETUNER";
899 case UATF_DSS: return "UATF_DSS";
900 case UATF_RADIORECV: return "UATF_RADIORECV";
901 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
902 case UATF_MULTITRACK: return "UATF_MULTITRACK";
903 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
904 default:
905 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
906 return tbuf;
907 }
908 }
909 #endif
910
911 Static int
912 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
913 {
914 int terminal_type;
915
916 if (iot == NULL || iot->output == NULL) {
917 mix->class = UAC_OUTPUT;
918 return 0;
919 }
920 terminal_type = 0;
921 if (iot->output->size == 1)
922 terminal_type = iot->output->terminals[0];
923 /*
924 * If the only output terminal is USB,
925 * the class is UAC_RECORD.
926 */
927 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
928 mix->class = UAC_RECORD;
929 if (iot->inputs_size == 1
930 && iot->inputs[0] != NULL
931 && iot->inputs[0]->size == 1)
932 return iot->inputs[0]->terminals[0];
933 else
934 return 0;
935 }
936 /*
937 * If the ultimate destination of the unit is just one output
938 * terminal and the unit is connected to the output terminal
939 * directly, the class is UAC_OUTPUT.
940 */
941 if (terminal_type != 0 && iot->direct) {
942 mix->class = UAC_OUTPUT;
943 return terminal_type;
944 }
945 /*
946 * If the unit is connected to just one input terminal,
947 * the class is UAC_INPUT.
948 */
949 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
950 && iot->inputs[0]->size == 1) {
951 mix->class = UAC_INPUT;
952 return iot->inputs[0]->terminals[0];
953 }
954 /*
955 * Otherwise, the class is UAC_OUTPUT.
956 */
957 mix->class = UAC_OUTPUT;
958 return terminal_type;
959 }
960
961 Static const char *
962 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
963 {
964 int terminal_type;
965
966 terminal_type = uaudio_determine_class(iot, mix);
967 if (mix->class == UAC_RECORD && terminal_type == 0)
968 return AudioNmixerout;
969 DPRINTF(("%s: terminal_type=%s\n", __func__,
970 uaudio_get_terminal_name(terminal_type)));
971 switch (terminal_type) {
972 case UAT_STREAM:
973 return AudioNdac;
974
975 case UATI_MICROPHONE:
976 case UATI_DESKMICROPHONE:
977 case UATI_PERSONALMICROPHONE:
978 case UATI_OMNIMICROPHONE:
979 case UATI_MICROPHONEARRAY:
980 case UATI_PROCMICROPHONEARR:
981 return AudioNmicrophone;
982
983 case UATO_SPEAKER:
984 case UATO_DESKTOPSPEAKER:
985 case UATO_ROOMSPEAKER:
986 case UATO_COMMSPEAKER:
987 return AudioNspeaker;
988
989 case UATO_HEADPHONES:
990 return AudioNheadphone;
991
992 case UATO_SUBWOOFER:
993 return AudioNlfe;
994
995 /* telephony terminal types */
996 case UATT_UNDEFINED:
997 case UATT_PHONELINE:
998 case UATT_TELEPHONE:
999 case UATT_DOWNLINEPHONE:
1000 return "phone";
1001
1002 case UATE_ANALOGCONN:
1003 case UATE_LINECONN:
1004 case UATE_LEGACYCONN:
1005 return AudioNline;
1006
1007 case UATE_DIGITALAUIFC:
1008 case UATE_SPDIF:
1009 case UATE_1394DA:
1010 case UATE_1394DV:
1011 return AudioNaux;
1012
1013 case UATF_CDPLAYER:
1014 return AudioNcd;
1015
1016 case UATF_SYNTHESIZER:
1017 return AudioNfmsynth;
1018
1019 case UATF_VIDEODISCAUDIO:
1020 case UATF_DVDAUDIO:
1021 case UATF_TVTUNERAUDIO:
1022 return AudioNvideo;
1023
1024 case UAT_UNDEFINED:
1025 case UAT_VENDOR:
1026 case UATI_UNDEFINED:
1027 /* output terminal types */
1028 case UATO_UNDEFINED:
1029 case UATO_DISPLAYAUDIO:
1030 /* bidir terminal types */
1031 case UATB_UNDEFINED:
1032 case UATB_HANDSET:
1033 case UATB_HEADSET:
1034 case UATB_SPEAKERPHONE:
1035 case UATB_SPEAKERPHONEESUP:
1036 case UATB_SPEAKERPHONEECANC:
1037 /* external terminal types */
1038 case UATE_UNDEFINED:
1039 /* embedded function terminal types */
1040 case UATF_UNDEFINED:
1041 case UATF_CALIBNOISE:
1042 case UATF_EQUNOISE:
1043 case UATF_DAT:
1044 case UATF_DCC:
1045 case UATF_MINIDISK:
1046 case UATF_ANALOGTAPE:
1047 case UATF_PHONOGRAPH:
1048 case UATF_VCRAUDIO:
1049 case UATF_SATELLITE:
1050 case UATF_CABLETUNER:
1051 case UATF_DSS:
1052 case UATF_RADIORECV:
1053 case UATF_RADIOXMIT:
1054 case UATF_MULTITRACK:
1055 case 0xffff:
1056 default:
1057 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1058 return AudioNmaster;
1059 }
1060 return AudioNmaster;
1061 }
1062
1063 Static void
1064 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1065 {
1066 const struct usb_audio_feature_unit *d;
1067 const uByte *ctls;
1068 int ctlsize;
1069 int nchan;
1070 u_int fumask, mmask, cmask;
1071 struct mixerctl mix;
1072 int chan, ctl, i, unit;
1073 const char *mixername;
1074
1075 #define GET(i) (ctls[(i)*ctlsize] | \
1076 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1077 d = iot[id].d.fu;
1078 ctls = d->bmaControls;
1079 ctlsize = d->bControlSize;
1080 nchan = (d->bLength - 7) / ctlsize;
1081 mmask = GET(0);
1082 /* Figure out what we can control */
1083 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1084 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1085 chan, GET(chan)));
1086 cmask |= GET(chan);
1087 }
1088
1089 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1090 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1091 d->bUnitId, nchan, mmask, cmask));
1092
1093 if (nchan > MIX_MAX_CHAN)
1094 nchan = MIX_MAX_CHAN;
1095 unit = d->bUnitId;
1096 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1097 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1098 fumask = FU_MASK(ctl);
1099 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1100 ctl, fumask));
1101 if (mmask & fumask) {
1102 mix.nchan = 1;
1103 mix.wValue[0] = MAKE(ctl, 0);
1104 } else if (cmask & fumask) {
1105 mix.nchan = nchan - 1;
1106 for (i = 1; i < nchan; i++) {
1107 if (GET(i) & fumask)
1108 mix.wValue[i-1] = MAKE(ctl, i);
1109 else
1110 mix.wValue[i-1] = -1;
1111 }
1112 } else {
1113 continue;
1114 }
1115 #undef GET
1116 mixername = uaudio_feature_name(&iot[id], &mix);
1117 switch (ctl) {
1118 case MUTE_CONTROL:
1119 mix.type = MIX_ON_OFF;
1120 mix.ctlunit = "";
1121 snprintf(mix.ctlname, sizeof(mix.ctlname),
1122 "%s.%s", mixername, AudioNmute);
1123 break;
1124 case VOLUME_CONTROL:
1125 mix.type = MIX_SIGNED_16;
1126 mix.ctlunit = AudioNvolume;
1127 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1128 break;
1129 case BASS_CONTROL:
1130 mix.type = MIX_SIGNED_8;
1131 mix.ctlunit = AudioNbass;
1132 snprintf(mix.ctlname, sizeof(mix.ctlname),
1133 "%s.%s", mixername, AudioNbass);
1134 break;
1135 case MID_CONTROL:
1136 mix.type = MIX_SIGNED_8;
1137 mix.ctlunit = AudioNmid;
1138 snprintf(mix.ctlname, sizeof(mix.ctlname),
1139 "%s.%s", mixername, AudioNmid);
1140 break;
1141 case TREBLE_CONTROL:
1142 mix.type = MIX_SIGNED_8;
1143 mix.ctlunit = AudioNtreble;
1144 snprintf(mix.ctlname, sizeof(mix.ctlname),
1145 "%s.%s", mixername, AudioNtreble);
1146 break;
1147 case GRAPHIC_EQUALIZER_CONTROL:
1148 continue; /* XXX don't add anything */
1149 break;
1150 case AGC_CONTROL:
1151 mix.type = MIX_ON_OFF;
1152 mix.ctlunit = "";
1153 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1154 mixername, AudioNagc);
1155 break;
1156 case DELAY_CONTROL:
1157 mix.type = MIX_UNSIGNED_16;
1158 mix.ctlunit = "4 ms";
1159 snprintf(mix.ctlname, sizeof(mix.ctlname),
1160 "%s.%s", mixername, AudioNdelay);
1161 break;
1162 case BASS_BOOST_CONTROL:
1163 mix.type = MIX_ON_OFF;
1164 mix.ctlunit = "";
1165 snprintf(mix.ctlname, sizeof(mix.ctlname),
1166 "%s.%s", mixername, AudioNbassboost);
1167 break;
1168 case LOUDNESS_CONTROL:
1169 mix.type = MIX_ON_OFF;
1170 mix.ctlunit = "";
1171 snprintf(mix.ctlname, sizeof(mix.ctlname),
1172 "%s.%s", mixername, AudioNloudness);
1173 break;
1174 }
1175 uaudio_mixer_add_ctl(sc, &mix);
1176 }
1177 }
1178
1179 Static void
1180 uaudio_add_processing_updown(struct uaudio_softc *sc,
1181 const struct io_terminal *iot, int id)
1182 {
1183 const struct usb_audio_processing_unit *d;
1184 const struct usb_audio_processing_unit_1 *d1;
1185 const struct usb_audio_processing_unit_updown *ud;
1186 struct mixerctl mix;
1187 int i;
1188
1189 d = iot[id].d.pu;
1190 d1 = (const struct usb_audio_processing_unit_1 *)
1191 &d->baSourceId[d->bNrInPins];
1192 ud = (const struct usb_audio_processing_unit_updown *)
1193 &d1->bmControls[d1->bControlSize];
1194 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1195 d->bUnitId, ud->bNrModes));
1196
1197 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1198 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1199 return;
1200 }
1201
1202 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1203 mix.nchan = 1;
1204 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1205 uaudio_determine_class(&iot[id], &mix);
1206 mix.type = MIX_ON_OFF; /* XXX */
1207 mix.ctlunit = "";
1208 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1209
1210 for (i = 0; i < ud->bNrModes; i++) {
1211 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1212 i, UGETW(ud->waModes[i])));
1213 /* XXX */
1214 }
1215 uaudio_mixer_add_ctl(sc, &mix);
1216 }
1217
1218 Static void
1219 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1220 {
1221 const struct usb_audio_processing_unit *d;
1222 const struct usb_audio_processing_unit_1 *d1;
1223 int ptype;
1224 struct mixerctl mix;
1225
1226 d = iot[id].d.pu;
1227 d1 = (const struct usb_audio_processing_unit_1 *)
1228 &d->baSourceId[d->bNrInPins];
1229 ptype = UGETW(d->wProcessType);
1230 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1231 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1232
1233 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1234 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1235 mix.nchan = 1;
1236 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1237 uaudio_determine_class(&iot[id], &mix);
1238 mix.type = MIX_ON_OFF;
1239 mix.ctlunit = "";
1240 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1241 d->bUnitId, ptype);
1242 uaudio_mixer_add_ctl(sc, &mix);
1243 }
1244
1245 switch(ptype) {
1246 case UPDOWNMIX_PROCESS:
1247 uaudio_add_processing_updown(sc, iot, id);
1248 break;
1249 case DOLBY_PROLOGIC_PROCESS:
1250 case P3D_STEREO_EXTENDER_PROCESS:
1251 case REVERBATION_PROCESS:
1252 case CHORUS_PROCESS:
1253 case DYN_RANGE_COMP_PROCESS:
1254 default:
1255 #ifdef UAUDIO_DEBUG
1256 printf("uaudio_add_processing: unit %d, type=%d not impl.\n",
1257 d->bUnitId, ptype);
1258 #endif
1259 break;
1260 }
1261 }
1262
1263 Static void
1264 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1265 {
1266 const struct usb_audio_extension_unit *d;
1267 const struct usb_audio_extension_unit_1 *d1;
1268 struct mixerctl mix;
1269
1270 d = iot[id].d.eu;
1271 d1 = (const struct usb_audio_extension_unit_1 *)
1272 &d->baSourceId[d->bNrInPins];
1273 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1274 d->bUnitId, d->bNrInPins));
1275
1276 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1277 return;
1278
1279 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1280 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1281 mix.nchan = 1;
1282 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1283 uaudio_determine_class(&iot[id], &mix);
1284 mix.type = MIX_ON_OFF;
1285 mix.ctlunit = "";
1286 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1287 d->bUnitId);
1288 uaudio_mixer_add_ctl(sc, &mix);
1289 }
1290 }
1291
1292 Static struct terminal_list*
1293 uaudio_merge_terminal_list(const struct io_terminal *iot)
1294 {
1295 struct terminal_list *tml;
1296 uint16_t *ptm;
1297 int i, len;
1298
1299 len = 0;
1300 if (iot->inputs == NULL)
1301 return NULL;
1302 for (i = 0; i < iot->inputs_size; i++) {
1303 if (iot->inputs[i] != NULL)
1304 len += iot->inputs[i]->size;
1305 }
1306 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1307 if (tml == NULL) {
1308 printf("uaudio_merge_terminal_list: no memory\n");
1309 return NULL;
1310 }
1311 tml->size = 0;
1312 ptm = tml->terminals;
1313 for (i = 0; i < iot->inputs_size; i++) {
1314 if (iot->inputs[i] == NULL)
1315 continue;
1316 if (iot->inputs[i]->size > len)
1317 break;
1318 memcpy(ptm, iot->inputs[i]->terminals,
1319 iot->inputs[i]->size * sizeof(uint16_t));
1320 tml->size += iot->inputs[i]->size;
1321 ptm += iot->inputs[i]->size;
1322 len -= iot->inputs[i]->size;
1323 }
1324 return tml;
1325 }
1326
1327 Static struct terminal_list *
1328 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1329 {
1330 struct terminal_list *tml;
1331 struct io_terminal *it;
1332 int src_id, i;
1333
1334 it = &iot[id];
1335 if (it->output != NULL) {
1336 /* already has outtype? */
1337 for (i = 0; i < it->output->size; i++)
1338 if (it->output->terminals[i] == outtype)
1339 return uaudio_merge_terminal_list(it);
1340 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1341 M_TEMP, M_NOWAIT);
1342 if (tml == NULL) {
1343 printf("uaudio_io_terminaltype: no memory\n");
1344 return uaudio_merge_terminal_list(it);
1345 }
1346 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1347 tml->terminals[it->output->size] = outtype;
1348 tml->size++;
1349 free(it->output, M_TEMP);
1350 it->output = tml;
1351 if (it->inputs != NULL) {
1352 for (i = 0; i < it->inputs_size; i++)
1353 if (it->inputs[i] != NULL)
1354 free(it->inputs[i], M_TEMP);
1355 free(it->inputs, M_TEMP);
1356 }
1357 it->inputs_size = 0;
1358 it->inputs = NULL;
1359 } else { /* end `iot[id] != NULL' */
1360 it->inputs_size = 0;
1361 it->inputs = NULL;
1362 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1363 if (it->output == NULL) {
1364 printf("uaudio_io_terminaltype: no memory\n");
1365 return NULL;
1366 }
1367 it->output->terminals[0] = outtype;
1368 it->output->size = 1;
1369 it->direct = FALSE;
1370 }
1371
1372 switch (it->d.desc->bDescriptorSubtype) {
1373 case UDESCSUB_AC_INPUT:
1374 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1375 if (it->inputs == NULL) {
1376 printf("uaudio_io_terminaltype: no memory\n");
1377 return NULL;
1378 }
1379 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1380 if (tml == NULL) {
1381 printf("uaudio_io_terminaltype: no memory\n");
1382 free(it->inputs, M_TEMP);
1383 it->inputs = NULL;
1384 return NULL;
1385 }
1386 it->inputs[0] = tml;
1387 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1388 tml->size = 1;
1389 it->inputs_size = 1;
1390 return uaudio_merge_terminal_list(it);
1391 case UDESCSUB_AC_FEATURE:
1392 src_id = it->d.fu->bSourceId;
1393 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1394 if (it->inputs == NULL) {
1395 printf("uaudio_io_terminaltype: no memory\n");
1396 return uaudio_io_terminaltype(outtype, iot, src_id);
1397 }
1398 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1399 it->inputs_size = 1;
1400 return uaudio_merge_terminal_list(it);
1401 case UDESCSUB_AC_OUTPUT:
1402 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1403 if (it->inputs == NULL) {
1404 printf("uaudio_io_terminaltype: no memory\n");
1405 return NULL;
1406 }
1407 src_id = it->d.ot->bSourceId;
1408 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1409 it->inputs_size = 1;
1410 iot[src_id].direct = TRUE;
1411 return NULL;
1412 case UDESCSUB_AC_MIXER:
1413 it->inputs_size = 0;
1414 it->inputs = malloc(sizeof(struct terminal_list *)
1415 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1416 if (it->inputs == NULL) {
1417 printf("uaudio_io_terminaltype: no memory\n");
1418 return NULL;
1419 }
1420 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1421 src_id = it->d.mu->baSourceId[i];
1422 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1423 src_id);
1424 it->inputs_size++;
1425 }
1426 return uaudio_merge_terminal_list(it);
1427 case UDESCSUB_AC_SELECTOR:
1428 it->inputs_size = 0;
1429 it->inputs = malloc(sizeof(struct terminal_list *)
1430 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1431 if (it->inputs == NULL) {
1432 printf("uaudio_io_terminaltype: no memory\n");
1433 return NULL;
1434 }
1435 for (i = 0; i < it->d.su->bNrInPins; i++) {
1436 src_id = it->d.su->baSourceId[i];
1437 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1438 src_id);
1439 it->inputs_size++;
1440 }
1441 return uaudio_merge_terminal_list(it);
1442 case UDESCSUB_AC_PROCESSING:
1443 it->inputs_size = 0;
1444 it->inputs = malloc(sizeof(struct terminal_list *)
1445 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1446 if (it->inputs == NULL) {
1447 printf("uaudio_io_terminaltype: no memory\n");
1448 return NULL;
1449 }
1450 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1451 src_id = it->d.pu->baSourceId[i];
1452 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1453 src_id);
1454 it->inputs_size++;
1455 }
1456 return uaudio_merge_terminal_list(it);
1457 case UDESCSUB_AC_EXTENSION:
1458 it->inputs_size = 0;
1459 it->inputs = malloc(sizeof(struct terminal_list *)
1460 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1461 if (it->inputs == NULL) {
1462 printf("uaudio_io_terminaltype: no memory\n");
1463 return NULL;
1464 }
1465 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1466 src_id = it->d.eu->baSourceId[i];
1467 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1468 src_id);
1469 it->inputs_size++;
1470 }
1471 return uaudio_merge_terminal_list(it);
1472 case UDESCSUB_AC_HEADER:
1473 default:
1474 return NULL;
1475 }
1476 }
1477
1478 Static usbd_status
1479 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1480 {
1481 usbd_status err;
1482
1483 err = uaudio_identify_ac(sc, cdesc);
1484 if (err)
1485 return err;
1486 return uaudio_identify_as(sc, cdesc);
1487 }
1488
1489 Static void
1490 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1491 {
1492 size_t len;
1493 struct as_info *nai;
1494
1495 len = sizeof(*ai) * (sc->sc_nalts + 1);
1496 nai = malloc(len, M_USBDEV, M_NOWAIT);
1497 if (nai == NULL) {
1498 printf("uaudio_add_alt: no memory\n");
1499 return;
1500 }
1501 /* Copy old data, if there was any */
1502 if (sc->sc_nalts != 0) {
1503 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1504 free(sc->sc_alts, M_USBDEV);
1505 }
1506 sc->sc_alts = nai;
1507 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1508 ai->alt, ai->encoding));
1509 sc->sc_alts[sc->sc_nalts++] = *ai;
1510 }
1511
1512 Static usbd_status
1513 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1514 int size, const usb_interface_descriptor_t *id)
1515 #define offs (*offsp)
1516 {
1517 const struct usb_audio_streaming_interface_descriptor *asid;
1518 const struct usb_audio_streaming_type1_descriptor *asf1d;
1519 const usb_endpoint_descriptor_audio_t *ed;
1520 const usb_endpoint_descriptor_audio_t *epdesc1;
1521 const struct usb_audio_streaming_endpoint_descriptor *sed;
1522 int format, chan, prec, enc;
1523 int dir, type, sync;
1524 struct as_info ai;
1525 const char *format_str;
1526
1527 asid = (const void *)(tbuf + offs);
1528 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1529 asid->bDescriptorSubtype != AS_GENERAL)
1530 return USBD_INVAL;
1531 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1532 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1533 offs += asid->bLength;
1534 if (offs > size)
1535 return USBD_INVAL;
1536
1537 asf1d = (const void *)(tbuf + offs);
1538 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1539 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1540 return USBD_INVAL;
1541 offs += asf1d->bLength;
1542 if (offs > size)
1543 return USBD_INVAL;
1544
1545 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1546 printf("%s: ignored setting with type %d format\n",
1547 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag));
1548 return USBD_NORMAL_COMPLETION;
1549 }
1550
1551 ed = (const void *)(tbuf + offs);
1552 if (ed->bDescriptorType != UDESC_ENDPOINT)
1553 return USBD_INVAL;
1554 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1555 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1556 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1557 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1558 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1559 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1560 offs += ed->bLength;
1561 if (offs > size)
1562 return USBD_INVAL;
1563 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1564 return USBD_INVAL;
1565
1566 dir = UE_GET_DIR(ed->bEndpointAddress);
1567 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1568 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1569 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1570 type = UE_ISO_ASYNC;
1571
1572 /* We can't handle endpoints that need a sync pipe yet. */
1573 sync = FALSE;
1574 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1575 sync = TRUE;
1576 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1577 printf("%s: ignored input endpoint of type adaptive\n",
1578 USBDEVNAME(sc->sc_dev));
1579 return USBD_NORMAL_COMPLETION;
1580 #endif
1581 }
1582 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1583 sync = TRUE;
1584 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1585 printf("%s: ignored output endpoint of type async\n",
1586 USBDEVNAME(sc->sc_dev));
1587 return USBD_NORMAL_COMPLETION;
1588 #endif
1589 }
1590
1591 sed = (const void *)(tbuf + offs);
1592 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1593 sed->bDescriptorSubtype != AS_GENERAL)
1594 return USBD_INVAL;
1595 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1596 offs += sed->bLength;
1597 if (offs > size)
1598 return USBD_INVAL;
1599
1600 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1601 if (sync && id->bNumEndpoints <= 1) {
1602 printf("%s: a sync-pipe endpoint but no other endpoint\n",
1603 USBDEVNAME(sc->sc_dev));
1604 return USBD_INVAL;
1605 }
1606 #endif
1607 if (!sync && id->bNumEndpoints > 1) {
1608 printf("%s: non sync-pipe endpoint but multiple endpoints\n",
1609 USBDEVNAME(sc->sc_dev));
1610 return USBD_INVAL;
1611 }
1612 epdesc1 = NULL;
1613 if (id->bNumEndpoints > 1) {
1614 epdesc1 = (const void*)(tbuf + offs);
1615 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1616 return USBD_INVAL;
1617 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1618 "bDescriptorType=%d bEndpointAddress=%d "
1619 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1620 "bRefresh=%d bSynchAddress=%d\n",
1621 epdesc1->bLength, epdesc1->bDescriptorType,
1622 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1623 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1624 epdesc1->bRefresh, epdesc1->bSynchAddress));
1625 offs += epdesc1->bLength;
1626 if (offs > size)
1627 return USBD_INVAL;
1628 if (epdesc1->bSynchAddress != 0) {
1629 printf("%s: invalid endpoint: bSynchAddress=0\n",
1630 USBDEVNAME(sc->sc_dev));
1631 return USBD_INVAL;
1632 }
1633 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1634 printf("%s: invalid endpoint: bmAttributes=0x%x\n",
1635 USBDEVNAME(sc->sc_dev), epdesc1->bmAttributes);
1636 return USBD_INVAL;
1637 }
1638 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1639 printf("%s: invalid endpoint addresses: "
1640 "ep[0]->bSynchAddress=0x%x "
1641 "ep[1]->bEndpointAddress=0x%x\n",
1642 USBDEVNAME(sc->sc_dev), ed->bSynchAddress,
1643 epdesc1->bEndpointAddress);
1644 return USBD_INVAL;
1645 }
1646 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1647 }
1648
1649 format = UGETW(asid->wFormatTag);
1650 chan = asf1d->bNrChannels;
1651 prec = asf1d->bBitResolution;
1652 if (prec != 8 && prec != 16 && prec != 24) {
1653 printf("%s: ignored setting with precision %d\n",
1654 USBDEVNAME(sc->sc_dev), prec);
1655 return USBD_NORMAL_COMPLETION;
1656 }
1657 switch (format) {
1658 case UA_FMT_PCM:
1659 if (prec == 8) {
1660 sc->sc_altflags |= HAS_8;
1661 } else if (prec == 16) {
1662 sc->sc_altflags |= HAS_16;
1663 } else if (prec == 24) {
1664 sc->sc_altflags |= HAS_24;
1665 }
1666 enc = AUDIO_ENCODING_SLINEAR_LE;
1667 format_str = "pcm";
1668 break;
1669 case UA_FMT_PCM8:
1670 enc = AUDIO_ENCODING_ULINEAR_LE;
1671 sc->sc_altflags |= HAS_8U;
1672 format_str = "pcm8";
1673 break;
1674 case UA_FMT_ALAW:
1675 enc = AUDIO_ENCODING_ALAW;
1676 sc->sc_altflags |= HAS_ALAW;
1677 format_str = "alaw";
1678 break;
1679 case UA_FMT_MULAW:
1680 enc = AUDIO_ENCODING_ULAW;
1681 sc->sc_altflags |= HAS_MULAW;
1682 format_str = "mulaw";
1683 break;
1684 case UA_FMT_IEEE_FLOAT:
1685 default:
1686 printf("%s: ignored setting with format %d\n",
1687 USBDEVNAME(sc->sc_dev), format);
1688 return USBD_NORMAL_COMPLETION;
1689 }
1690 #ifdef UAUDIO_DEBUG
1691 printf("%s: %s: %dch, %d/%dbit, %s,", USBDEVNAME(sc->sc_dev),
1692 dir == UE_DIR_IN ? "recording" : "playback",
1693 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1694 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1695 printf(" %d-%dHz\n", UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d));
1696 } else {
1697 int r;
1698 printf(" %d", UA_GETSAMP(asf1d, 0));
1699 for (r = 1; r < asf1d->bSamFreqType; r++)
1700 printf(",%d", UA_GETSAMP(asf1d, r));
1701 printf("Hz\n");
1702 }
1703 #endif
1704 ai.alt = id->bAlternateSetting;
1705 ai.encoding = enc;
1706 ai.attributes = sed->bmAttributes;
1707 ai.idesc = id;
1708 ai.edesc = ed;
1709 ai.edesc1 = epdesc1;
1710 ai.asf1desc = asf1d;
1711 ai.sc_busy = 0;
1712 ai.aformat = NULL;
1713 ai.ifaceh = NULL;
1714 uaudio_add_alt(sc, &ai);
1715 #ifdef UAUDIO_DEBUG
1716 if (ai.attributes & UA_SED_FREQ_CONTROL)
1717 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1718 if (ai.attributes & UA_SED_PITCH_CONTROL)
1719 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1720 #endif
1721 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1722
1723 return USBD_NORMAL_COMPLETION;
1724 }
1725 #undef offs
1726
1727 Static usbd_status
1728 uaudio_identify_as(struct uaudio_softc *sc,
1729 const usb_config_descriptor_t *cdesc)
1730 {
1731 const usb_interface_descriptor_t *id;
1732 const char *tbuf;
1733 struct audio_format *auf;
1734 const struct usb_audio_streaming_type1_descriptor *t1desc;
1735 int size, offs;
1736 int i, j;
1737
1738 size = UGETW(cdesc->wTotalLength);
1739 tbuf = (const char *)cdesc;
1740
1741 /* Locate the AudioStreaming interface descriptor. */
1742 offs = 0;
1743 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1744 if (id == NULL)
1745 return USBD_INVAL;
1746
1747 /* Loop through all the alternate settings. */
1748 while (offs <= size) {
1749 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1750 id->bInterfaceNumber, offs));
1751 switch (id->bNumEndpoints) {
1752 case 0:
1753 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1754 id->bAlternateSetting));
1755 sc->sc_nullalt = id->bAlternateSetting;
1756 break;
1757 case 1:
1758 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1759 case 2:
1760 #endif
1761 uaudio_process_as(sc, tbuf, &offs, size, id);
1762 break;
1763 default:
1764 printf("%s: ignored audio interface with %d "
1765 "endpoints\n",
1766 USBDEVNAME(sc->sc_dev), id->bNumEndpoints);
1767 break;
1768 }
1769 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1770 if (id == NULL)
1771 break;
1772 }
1773 if (offs > size)
1774 return USBD_INVAL;
1775 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1776
1777 if (sc->sc_mode == 0) {
1778 printf("%s: no usable endpoint found\n",
1779 USBDEVNAME(sc->sc_dev));
1780 return USBD_INVAL;
1781 }
1782
1783 /* build audio_format array */
1784 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1785 M_USBDEV, M_NOWAIT);
1786 if (sc->sc_formats == NULL)
1787 return USBD_NOMEM;
1788 sc->sc_nformats = sc->sc_nalts;
1789 for (i = 0; i < sc->sc_nalts; i++) {
1790 auf = &sc->sc_formats[i];
1791 t1desc = sc->sc_alts[i].asf1desc;
1792 auf->driver_data = NULL;
1793 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1794 auf->mode = AUMODE_PLAY;
1795 else
1796 auf->mode = AUMODE_RECORD;
1797 auf->encoding = sc->sc_alts[i].encoding;
1798 auf->validbits = t1desc->bBitResolution;
1799 auf->precision = t1desc->bSubFrameSize * 8;
1800 auf->channels = t1desc->bNrChannels;
1801 auf->channel_mask = sc->sc_channel_config;
1802 auf->frequency_type = t1desc->bSamFreqType;
1803 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1804 auf->frequency[0] = UA_SAMP_LO(t1desc);
1805 auf->frequency[1] = UA_SAMP_HI(t1desc);
1806 } else {
1807 for (j = 0; j < t1desc->bSamFreqType; j++) {
1808 if (j >= AUFMT_MAX_FREQUENCIES) {
1809 printf("%s: please increase "
1810 "AUFMT_MAX_FREQUENCIES to %d\n",
1811 __func__, t1desc->bSamFreqType);
1812 break;
1813 }
1814 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1815 }
1816 }
1817 sc->sc_alts[i].aformat = auf;
1818 }
1819
1820 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1821 &sc->sc_encodings)) {
1822 free(sc->sc_formats, M_DEVBUF);
1823 sc->sc_formats = NULL;
1824 return ENOMEM;
1825 }
1826
1827 return USBD_NORMAL_COMPLETION;
1828 }
1829
1830 Static usbd_status
1831 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1832 {
1833 struct io_terminal* iot;
1834 const usb_interface_descriptor_t *id;
1835 const struct usb_audio_control_descriptor *acdp;
1836 const usb_descriptor_t *dp;
1837 const struct usb_audio_output_terminal *pot;
1838 struct terminal_list *tml;
1839 const char *tbuf, *ibuf, *ibufend;
1840 int size, offs, aclen, ndps, i, j;
1841
1842 size = UGETW(cdesc->wTotalLength);
1843 tbuf = (const char *)cdesc;
1844
1845 /* Locate the AudioControl interface descriptor. */
1846 offs = 0;
1847 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1848 if (id == NULL)
1849 return USBD_INVAL;
1850 if (offs + sizeof *acdp > size)
1851 return USBD_INVAL;
1852 sc->sc_ac_iface = id->bInterfaceNumber;
1853 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1854
1855 /* A class-specific AC interface header should follow. */
1856 ibuf = tbuf + offs;
1857 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1858 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1859 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1860 return USBD_INVAL;
1861 aclen = UGETW(acdp->wTotalLength);
1862 if (offs + aclen > size)
1863 return USBD_INVAL;
1864
1865 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1866 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1867 return USBD_INVAL;
1868
1869 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1870 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1871 sc->sc_audio_rev, aclen));
1872
1873 sc->sc_nullalt = -1;
1874
1875 /* Scan through all the AC specific descriptors */
1876 ibufend = ibuf + aclen;
1877 dp = (const usb_descriptor_t *)ibuf;
1878 ndps = 0;
1879 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1880 if (iot == NULL) {
1881 printf("%s: no memory\n", __func__);
1882 return USBD_NOMEM;
1883 }
1884 for (;;) {
1885 ibuf += dp->bLength;
1886 if (ibuf >= ibufend)
1887 break;
1888 dp = (const usb_descriptor_t *)ibuf;
1889 if (ibuf + dp->bLength > ibufend) {
1890 free(iot, M_TEMP);
1891 return USBD_INVAL;
1892 }
1893 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1894 printf("uaudio_identify_ac: skip desc type=0x%02x\n",
1895 dp->bDescriptorType);
1896 continue;
1897 }
1898 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1899 iot[i].d.desc = dp;
1900 if (i > ndps)
1901 ndps = i;
1902 }
1903 ndps++;
1904
1905 /* construct io_terminal */
1906 for (i = 0; i < ndps; i++) {
1907 dp = iot[i].d.desc;
1908 if (dp == NULL)
1909 continue;
1910 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1911 continue;
1912 pot = iot[i].d.ot;
1913 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1914 if (tml != NULL)
1915 free(tml, M_TEMP);
1916 }
1917
1918 #ifdef UAUDIO_DEBUG
1919 for (i = 0; i < 256; i++) {
1920 struct usb_audio_cluster cluster;
1921
1922 if (iot[i].d.desc == NULL)
1923 continue;
1924 logprintf("id %d:\t", i);
1925 switch (iot[i].d.desc->bDescriptorSubtype) {
1926 case UDESCSUB_AC_INPUT:
1927 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1928 (UGETW(iot[i].d.it->wTerminalType)));
1929 logprintf("\t");
1930 cluster = uaudio_get_cluster(i, iot);
1931 uaudio_dump_cluster(&cluster);
1932 logprintf("\n");
1933 break;
1934 case UDESCSUB_AC_OUTPUT:
1935 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1936 (UGETW(iot[i].d.ot->wTerminalType)));
1937 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1938 break;
1939 case UDESCSUB_AC_MIXER:
1940 logprintf("AC_MIXER src=");
1941 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1942 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1943 logprintf("\n\t");
1944 cluster = uaudio_get_cluster(i, iot);
1945 uaudio_dump_cluster(&cluster);
1946 logprintf("\n");
1947 break;
1948 case UDESCSUB_AC_SELECTOR:
1949 logprintf("AC_SELECTOR src=");
1950 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1951 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1952 logprintf("\n");
1953 break;
1954 case UDESCSUB_AC_FEATURE:
1955 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1956 break;
1957 case UDESCSUB_AC_PROCESSING:
1958 logprintf("AC_PROCESSING src=");
1959 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1960 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1961 logprintf("\n\t");
1962 cluster = uaudio_get_cluster(i, iot);
1963 uaudio_dump_cluster(&cluster);
1964 logprintf("\n");
1965 break;
1966 case UDESCSUB_AC_EXTENSION:
1967 logprintf("AC_EXTENSION src=");
1968 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1969 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1970 logprintf("\n\t");
1971 cluster = uaudio_get_cluster(i, iot);
1972 uaudio_dump_cluster(&cluster);
1973 logprintf("\n");
1974 break;
1975 default:
1976 logprintf("unknown audio control (subtype=%d)\n",
1977 iot[i].d.desc->bDescriptorSubtype);
1978 }
1979 for (j = 0; j < iot[i].inputs_size; j++) {
1980 int k;
1981 logprintf("\tinput%d: ", j);
1982 tml = iot[i].inputs[j];
1983 if (tml == NULL) {
1984 logprintf("NULL\n");
1985 continue;
1986 }
1987 for (k = 0; k < tml->size; k++)
1988 logprintf("%s ", uaudio_get_terminal_name
1989 (tml->terminals[k]));
1990 logprintf("\n");
1991 }
1992 logprintf("\toutput: ");
1993 tml = iot[i].output;
1994 for (j = 0; j < tml->size; j++)
1995 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
1996 logprintf("\n");
1997 }
1998 #endif
1999
2000 for (i = 0; i < ndps; i++) {
2001 dp = iot[i].d.desc;
2002 if (dp == NULL)
2003 continue;
2004 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
2005 i, dp->bDescriptorSubtype));
2006 switch (dp->bDescriptorSubtype) {
2007 case UDESCSUB_AC_HEADER:
2008 printf("uaudio_identify_ac: unexpected AC header\n");
2009 break;
2010 case UDESCSUB_AC_INPUT:
2011 uaudio_add_input(sc, iot, i);
2012 break;
2013 case UDESCSUB_AC_OUTPUT:
2014 uaudio_add_output(sc, iot, i);
2015 break;
2016 case UDESCSUB_AC_MIXER:
2017 uaudio_add_mixer(sc, iot, i);
2018 break;
2019 case UDESCSUB_AC_SELECTOR:
2020 uaudio_add_selector(sc, iot, i);
2021 break;
2022 case UDESCSUB_AC_FEATURE:
2023 uaudio_add_feature(sc, iot, i);
2024 break;
2025 case UDESCSUB_AC_PROCESSING:
2026 uaudio_add_processing(sc, iot, i);
2027 break;
2028 case UDESCSUB_AC_EXTENSION:
2029 uaudio_add_extension(sc, iot, i);
2030 break;
2031 default:
2032 printf("uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2033 dp->bDescriptorSubtype);
2034 break;
2035 }
2036 }
2037
2038 /* delete io_terminal */
2039 for (i = 0; i < 256; i++) {
2040 if (iot[i].d.desc == NULL)
2041 continue;
2042 if (iot[i].inputs != NULL) {
2043 for (j = 0; j < iot[i].inputs_size; j++) {
2044 if (iot[i].inputs[j] != NULL)
2045 free(iot[i].inputs[j], M_TEMP);
2046 }
2047 free(iot[i].inputs, M_TEMP);
2048 }
2049 if (iot[i].output != NULL)
2050 free(iot[i].output, M_TEMP);
2051 iot[i].d.desc = NULL;
2052 }
2053 free(iot, M_TEMP);
2054
2055 return USBD_NORMAL_COMPLETION;
2056 }
2057
2058 Static int
2059 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2060 {
2061 struct uaudio_softc *sc;
2062 struct mixerctl *mc;
2063 int n, nctls, i;
2064
2065 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2066 sc = addr;
2067 if (sc->sc_dying)
2068 return EIO;
2069
2070 n = mi->index;
2071 nctls = sc->sc_nctls;
2072
2073 switch (n) {
2074 case UAC_OUTPUT:
2075 mi->type = AUDIO_MIXER_CLASS;
2076 mi->mixer_class = UAC_OUTPUT;
2077 mi->next = mi->prev = AUDIO_MIXER_LAST;
2078 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2079 return 0;
2080 case UAC_INPUT:
2081 mi->type = AUDIO_MIXER_CLASS;
2082 mi->mixer_class = UAC_INPUT;
2083 mi->next = mi->prev = AUDIO_MIXER_LAST;
2084 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2085 return 0;
2086 case UAC_EQUAL:
2087 mi->type = AUDIO_MIXER_CLASS;
2088 mi->mixer_class = UAC_EQUAL;
2089 mi->next = mi->prev = AUDIO_MIXER_LAST;
2090 strlcpy(mi->label.name, AudioCequalization,
2091 sizeof(mi->label.name));
2092 return 0;
2093 case UAC_RECORD:
2094 mi->type = AUDIO_MIXER_CLASS;
2095 mi->mixer_class = UAC_RECORD;
2096 mi->next = mi->prev = AUDIO_MIXER_LAST;
2097 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2098 return 0;
2099 default:
2100 break;
2101 }
2102
2103 n -= UAC_NCLASSES;
2104 if (n < 0 || n >= nctls)
2105 return ENXIO;
2106
2107 mc = &sc->sc_ctls[n];
2108 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2109 mi->mixer_class = mc->class;
2110 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2111 switch (mc->type) {
2112 case MIX_ON_OFF:
2113 mi->type = AUDIO_MIXER_ENUM;
2114 mi->un.e.num_mem = 2;
2115 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2116 sizeof(mi->un.e.member[0].label.name));
2117 mi->un.e.member[0].ord = 0;
2118 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2119 sizeof(mi->un.e.member[1].label.name));
2120 mi->un.e.member[1].ord = 1;
2121 break;
2122 case MIX_SELECTOR:
2123 mi->type = AUDIO_MIXER_ENUM;
2124 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2125 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2126 snprintf(mi->un.e.member[i].label.name,
2127 sizeof(mi->un.e.member[i].label.name),
2128 "%d", i + mc->minval);
2129 mi->un.e.member[i].ord = i + mc->minval;
2130 }
2131 break;
2132 default:
2133 mi->type = AUDIO_MIXER_VALUE;
2134 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2135 mi->un.v.num_channels = mc->nchan;
2136 mi->un.v.delta = mc->delta;
2137 break;
2138 }
2139 return 0;
2140 }
2141
2142 Static int
2143 uaudio_open(void *addr, int flags)
2144 {
2145 struct uaudio_softc *sc;
2146
2147 sc = addr;
2148 DPRINTF(("uaudio_open: sc=%p\n", sc));
2149 if (sc->sc_dying)
2150 return EIO;
2151
2152 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2153 return EACCES;
2154 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2155 return EACCES;
2156
2157 return 0;
2158 }
2159
2160 /*
2161 * Close function is called at splaudio().
2162 */
2163 Static void
2164 uaudio_close(void *addr)
2165 {
2166 }
2167
2168 Static int
2169 uaudio_drain(void *addr)
2170 {
2171 struct uaudio_softc *sc;
2172
2173 sc = addr;
2174 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2175
2176 return 0;
2177 }
2178
2179 Static int
2180 uaudio_halt_out_dma(void *addr)
2181 {
2182 struct uaudio_softc *sc;
2183
2184 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2185 sc = addr;
2186 if (sc->sc_playchan.pipe != NULL) {
2187 uaudio_chan_close(sc, &sc->sc_playchan);
2188 sc->sc_playchan.pipe = NULL;
2189 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2190 sc->sc_playchan.intr = NULL;
2191 }
2192 return 0;
2193 }
2194
2195 Static int
2196 uaudio_halt_in_dma(void *addr)
2197 {
2198 struct uaudio_softc *sc;
2199
2200 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2201 sc = addr;
2202 if (sc->sc_recchan.pipe != NULL) {
2203 uaudio_chan_close(sc, &sc->sc_recchan);
2204 sc->sc_recchan.pipe = NULL;
2205 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2206 sc->sc_recchan.intr = NULL;
2207 }
2208 return 0;
2209 }
2210
2211 Static int
2212 uaudio_getdev(void *addr, struct audio_device *retp)
2213 {
2214 struct uaudio_softc *sc;
2215
2216 DPRINTF(("uaudio_mixer_getdev:\n"));
2217 sc = addr;
2218 if (sc->sc_dying)
2219 return EIO;
2220
2221 *retp = uaudio_device;
2222 return 0;
2223 }
2224
2225 /*
2226 * Make sure the block size is large enough to hold all outstanding transfers.
2227 */
2228 Static int
2229 uaudio_round_blocksize(void *addr, int blk,
2230 int mode, const audio_params_t *param)
2231 {
2232 struct uaudio_softc *sc;
2233 int b;
2234
2235 sc = addr;
2236 DPRINTF(("uaudio_round_blocksize: blk=%d mode=%s\n", blk,
2237 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"));
2238
2239 /* chan.bytes_per_frame can be 0. */
2240 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2241 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2242
2243 /*
2244 * This does not make accurate value in the case
2245 * of b % USB_FRAMES_PER_SECOND != 0
2246 */
2247 b /= USB_FRAMES_PER_SECOND;
2248
2249 b *= param->precision / 8 * param->channels;
2250 } else {
2251 /*
2252 * use wMaxPacketSize in bytes_per_frame.
2253 * See uaudio_set_params() and uaudio_chan_init()
2254 */
2255 b = sc->sc_recchan.bytes_per_frame
2256 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2257 }
2258
2259 if (b <= 0)
2260 b = 1;
2261 blk = blk <= b ? b : blk / b * b;
2262
2263 #ifdef DIAGNOSTIC
2264 if (blk <= 0) {
2265 printf("uaudio_round_blocksize: blk=%d\n", blk);
2266 blk = 512;
2267 }
2268 #endif
2269
2270 DPRINTF(("uaudio_round_blocksize: resultant blk=%d\n", blk));
2271 return blk;
2272 }
2273
2274 Static int
2275 uaudio_get_props(void *addr)
2276 {
2277 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2278
2279 }
2280
2281 Static int
2282 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2283 int wIndex, int len)
2284 {
2285 usb_device_request_t req;
2286 u_int8_t data[4];
2287 usbd_status err;
2288 int val;
2289
2290 if (wValue == -1)
2291 return 0;
2292
2293 req.bmRequestType = type;
2294 req.bRequest = which;
2295 USETW(req.wValue, wValue);
2296 USETW(req.wIndex, wIndex);
2297 USETW(req.wLength, len);
2298 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2299 "wIndex=0x%04x len=%d\n",
2300 type, which, wValue, wIndex, len));
2301 err = usbd_do_request(sc->sc_udev, &req, data);
2302 if (err) {
2303 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2304 return -1;
2305 }
2306 switch (len) {
2307 case 1:
2308 val = data[0];
2309 break;
2310 case 2:
2311 val = data[0] | (data[1] << 8);
2312 break;
2313 default:
2314 DPRINTF(("uaudio_get: bad length=%d\n", len));
2315 return -1;
2316 }
2317 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2318 return val;
2319 }
2320
2321 Static void
2322 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2323 int wIndex, int len, int val)
2324 {
2325 usb_device_request_t req;
2326 u_int8_t data[4];
2327 usbd_status err;
2328
2329 if (wValue == -1)
2330 return;
2331
2332 req.bmRequestType = type;
2333 req.bRequest = which;
2334 USETW(req.wValue, wValue);
2335 USETW(req.wIndex, wIndex);
2336 USETW(req.wLength, len);
2337 switch (len) {
2338 case 1:
2339 data[0] = val;
2340 break;
2341 case 2:
2342 data[0] = val;
2343 data[1] = val >> 8;
2344 break;
2345 default:
2346 return;
2347 }
2348 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2349 "wIndex=0x%04x len=%d, val=%d\n",
2350 type, which, wValue, wIndex, len, val & 0xffff));
2351 err = usbd_do_request(sc->sc_udev, &req, data);
2352 #ifdef UAUDIO_DEBUG
2353 if (err)
2354 DPRINTF(("uaudio_set: err=%d\n", err));
2355 #endif
2356 }
2357
2358 Static int
2359 uaudio_signext(int type, int val)
2360 {
2361 if (!MIX_UNSIGNED(type)) {
2362 if (MIX_SIZE(type) == 2)
2363 val = (int16_t)val;
2364 else
2365 val = (int8_t)val;
2366 }
2367 return val;
2368 }
2369
2370 Static int
2371 uaudio_value2bsd(struct mixerctl *mc, int val)
2372 {
2373 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2374 mc->type, val, mc->minval, mc->maxval));
2375 if (mc->type == MIX_ON_OFF) {
2376 val = (val != 0);
2377 } else if (mc->type == MIX_SELECTOR) {
2378 if (val < mc->minval || val > mc->maxval)
2379 val = mc->minval;
2380 } else
2381 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2382 + mc->mul/2) / mc->mul;
2383 DPRINTFN(5, ("val'=%d\n", val));
2384 return val;
2385 }
2386
2387 int
2388 uaudio_bsd2value(struct mixerctl *mc, int val)
2389 {
2390 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2391 mc->type, val, mc->minval, mc->maxval));
2392 if (mc->type == MIX_ON_OFF) {
2393 val = (val != 0);
2394 } else if (mc->type == MIX_SELECTOR) {
2395 if (val < mc->minval || val > mc->maxval)
2396 val = mc->minval;
2397 } else
2398 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2399 DPRINTFN(5, ("val'=%d\n", val));
2400 return val;
2401 }
2402
2403 Static int
2404 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2405 int chan)
2406 {
2407 int val;
2408
2409 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2410 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2411 mc->wIndex, MIX_SIZE(mc->type));
2412 return uaudio_value2bsd(mc, val);
2413 }
2414
2415 Static void
2416 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2417 int chan, int val)
2418 {
2419 val = uaudio_bsd2value(mc, val);
2420 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2421 mc->wIndex, MIX_SIZE(mc->type), val);
2422 }
2423
2424 Static int
2425 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2426 {
2427 struct uaudio_softc *sc;
2428 struct mixerctl *mc;
2429 int i, n, vals[MIX_MAX_CHAN], val;
2430
2431 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2432 sc = addr;
2433 if (sc->sc_dying)
2434 return EIO;
2435
2436 n = cp->dev - UAC_NCLASSES;
2437 if (n < 0 || n >= sc->sc_nctls)
2438 return ENXIO;
2439 mc = &sc->sc_ctls[n];
2440
2441 if (mc->type == MIX_ON_OFF) {
2442 if (cp->type != AUDIO_MIXER_ENUM)
2443 return EINVAL;
2444 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2445 } else if (mc->type == MIX_SELECTOR) {
2446 if (cp->type != AUDIO_MIXER_ENUM)
2447 return EINVAL;
2448 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2449 } else {
2450 if (cp->type != AUDIO_MIXER_VALUE)
2451 return EINVAL;
2452 if (cp->un.value.num_channels != 1 &&
2453 cp->un.value.num_channels != mc->nchan)
2454 return EINVAL;
2455 for (i = 0; i < mc->nchan; i++)
2456 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2457 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2458 for (val = 0, i = 0; i < mc->nchan; i++)
2459 val += vals[i];
2460 vals[0] = val / mc->nchan;
2461 }
2462 for (i = 0; i < cp->un.value.num_channels; i++)
2463 cp->un.value.level[i] = vals[i];
2464 }
2465
2466 return 0;
2467 }
2468
2469 Static int
2470 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2471 {
2472 struct uaudio_softc *sc;
2473 struct mixerctl *mc;
2474 int i, n, vals[MIX_MAX_CHAN];
2475
2476 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2477 sc = addr;
2478 if (sc->sc_dying)
2479 return EIO;
2480
2481 n = cp->dev - UAC_NCLASSES;
2482 if (n < 0 || n >= sc->sc_nctls)
2483 return ENXIO;
2484 mc = &sc->sc_ctls[n];
2485
2486 if (mc->type == MIX_ON_OFF) {
2487 if (cp->type != AUDIO_MIXER_ENUM)
2488 return EINVAL;
2489 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2490 } else if (mc->type == MIX_SELECTOR) {
2491 if (cp->type != AUDIO_MIXER_ENUM)
2492 return EINVAL;
2493 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2494 } else {
2495 if (cp->type != AUDIO_MIXER_VALUE)
2496 return EINVAL;
2497 if (cp->un.value.num_channels == 1)
2498 for (i = 0; i < mc->nchan; i++)
2499 vals[i] = cp->un.value.level[0];
2500 else if (cp->un.value.num_channels == mc->nchan)
2501 for (i = 0; i < mc->nchan; i++)
2502 vals[i] = cp->un.value.level[i];
2503 else
2504 return EINVAL;
2505 for (i = 0; i < mc->nchan; i++)
2506 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2507 }
2508 return 0;
2509 }
2510
2511 Static int
2512 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2513 void (*intr)(void *), void *arg,
2514 const audio_params_t *param)
2515 {
2516 struct uaudio_softc *sc;
2517 struct chan *ch;
2518 usbd_status err;
2519 int i, s;
2520
2521 sc = addr;
2522 if (sc->sc_dying)
2523 return EIO;
2524
2525 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2526 "blksize=%d\n", sc, start, end, blksize));
2527 ch = &sc->sc_recchan;
2528 uaudio_chan_set_param(ch, start, end, blksize);
2529 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2530 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2531 ch->fraction));
2532
2533 err = uaudio_chan_alloc_buffers(sc, ch);
2534 if (err)
2535 return EIO;
2536
2537 err = uaudio_chan_open(sc, ch);
2538 if (err) {
2539 uaudio_chan_free_buffers(sc, ch);
2540 return EIO;
2541 }
2542
2543 ch->intr = intr;
2544 ch->arg = arg;
2545
2546 s = splusb();
2547 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2548 uaudio_chan_rtransfer(ch);
2549 splx(s);
2550
2551 return 0;
2552 }
2553
2554 Static int
2555 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2556 void (*intr)(void *), void *arg,
2557 const audio_params_t *param)
2558 {
2559 struct uaudio_softc *sc;
2560 struct chan *ch;
2561 usbd_status err;
2562 int i, s;
2563
2564 sc = addr;
2565 if (sc->sc_dying)
2566 return EIO;
2567
2568 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2569 "blksize=%d\n", sc, start, end, blksize));
2570 ch = &sc->sc_playchan;
2571 uaudio_chan_set_param(ch, start, end, blksize);
2572 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2573 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2574 ch->fraction));
2575
2576 err = uaudio_chan_alloc_buffers(sc, ch);
2577 if (err)
2578 return EIO;
2579
2580 err = uaudio_chan_open(sc, ch);
2581 if (err) {
2582 uaudio_chan_free_buffers(sc, ch);
2583 return EIO;
2584 }
2585
2586 ch->intr = intr;
2587 ch->arg = arg;
2588
2589 s = splusb();
2590 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2591 uaudio_chan_ptransfer(ch);
2592 splx(s);
2593
2594 return 0;
2595 }
2596
2597 /* Set up a pipe for a channel. */
2598 Static usbd_status
2599 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2600 {
2601 struct as_info *as;
2602 int endpt;
2603 usbd_status err;
2604
2605 as = &sc->sc_alts[ch->altidx];
2606 endpt = as->edesc->bEndpointAddress;
2607 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2608 endpt, ch->sample_rate, as->alt));
2609
2610 /* Set alternate interface corresponding to the mode. */
2611 err = usbd_set_interface(as->ifaceh, as->alt);
2612 if (err)
2613 return err;
2614
2615 /*
2616 * If just one sampling rate is supported,
2617 * no need to call uaudio_set_speed().
2618 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2619 */
2620 if (as->asf1desc->bSamFreqType != 1) {
2621 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2622 if (err) {
2623 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2624 usbd_errstr(err)));
2625 }
2626 }
2627
2628 ch->pipe = 0;
2629 ch->sync_pipe = 0;
2630 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2631 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2632 if (err)
2633 return err;
2634 if (as->edesc1 != NULL) {
2635 endpt = as->edesc1->bEndpointAddress;
2636 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2637 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2638 }
2639 return err;
2640 }
2641
2642 Static void
2643 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2644 {
2645 struct as_info *as;
2646
2647 as = &sc->sc_alts[ch->altidx];
2648 as->sc_busy = 0;
2649 AUFMT_VALIDATE(as->aformat);
2650 if (sc->sc_nullalt >= 0) {
2651 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2652 sc->sc_nullalt));
2653 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2654 }
2655 if (ch->pipe) {
2656 usbd_abort_pipe(ch->pipe);
2657 usbd_close_pipe(ch->pipe);
2658 }
2659 if (ch->sync_pipe) {
2660 usbd_abort_pipe(ch->sync_pipe);
2661 usbd_close_pipe(ch->sync_pipe);
2662 }
2663 }
2664
2665 Static usbd_status
2666 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2667 {
2668 usbd_xfer_handle xfer;
2669 void *tbuf;
2670 int i, size;
2671
2672 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2673 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2674 xfer = usbd_alloc_xfer(sc->sc_udev);
2675 if (xfer == 0)
2676 goto bad;
2677 ch->chanbufs[i].xfer = xfer;
2678 tbuf = usbd_alloc_buffer(xfer, size);
2679 if (tbuf == 0) {
2680 i++;
2681 goto bad;
2682 }
2683 ch->chanbufs[i].buffer = tbuf;
2684 ch->chanbufs[i].chan = ch;
2685 }
2686
2687 return USBD_NORMAL_COMPLETION;
2688
2689 bad:
2690 while (--i >= 0)
2691 /* implicit buffer free */
2692 usbd_free_xfer(ch->chanbufs[i].xfer);
2693 return USBD_NOMEM;
2694 }
2695
2696 Static void
2697 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2698 {
2699 int i;
2700
2701 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2702 usbd_free_xfer(ch->chanbufs[i].xfer);
2703 }
2704
2705 /* Called at splusb() */
2706 Static void
2707 uaudio_chan_ptransfer(struct chan *ch)
2708 {
2709 struct chanbuf *cb;
2710 int i, n, size, residue, total;
2711
2712 if (ch->sc->sc_dying)
2713 return;
2714
2715 /* Pick the next channel buffer. */
2716 cb = &ch->chanbufs[ch->curchanbuf];
2717 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2718 ch->curchanbuf = 0;
2719
2720 /* Compute the size of each frame in the next transfer. */
2721 residue = ch->residue;
2722 total = 0;
2723 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2724 size = ch->bytes_per_frame;
2725 residue += ch->fraction;
2726 if (residue >= USB_FRAMES_PER_SECOND) {
2727 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2728 size += ch->sample_size;
2729 residue -= USB_FRAMES_PER_SECOND;
2730 }
2731 cb->sizes[i] = size;
2732 total += size;
2733 }
2734 ch->residue = residue;
2735 cb->size = total;
2736
2737 /*
2738 * Transfer data from upper layer buffer to channel buffer, taking
2739 * care of wrapping the upper layer buffer.
2740 */
2741 n = min(total, ch->end - ch->cur);
2742 memcpy(cb->buffer, ch->cur, n);
2743 ch->cur += n;
2744 if (ch->cur >= ch->end)
2745 ch->cur = ch->start;
2746 if (total > n) {
2747 total -= n;
2748 memcpy(cb->buffer + n, ch->cur, total);
2749 ch->cur += total;
2750 }
2751
2752 #ifdef UAUDIO_DEBUG
2753 if (uaudiodebug > 8) {
2754 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2755 cb->buffer, ch->residue));
2756 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2757 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2758 }
2759 }
2760 #endif
2761
2762 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2763 /* Fill the request */
2764 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2765 UAUDIO_NFRAMES, USBD_NO_COPY,
2766 uaudio_chan_pintr);
2767
2768 (void)usbd_transfer(cb->xfer);
2769 }
2770
2771 Static void
2772 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2773 usbd_status status)
2774 {
2775 struct chanbuf *cb;
2776 struct chan *ch;
2777 uint32_t count;
2778 int s;
2779
2780 cb = priv;
2781 ch = cb->chan;
2782 /* Return if we are aborting. */
2783 if (status == USBD_CANCELLED)
2784 return;
2785
2786 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2787 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2788 count, ch->transferred));
2789 #ifdef DIAGNOSTIC
2790 if (count != cb->size) {
2791 printf("uaudio_chan_pintr: count(%d) != size(%d)\n",
2792 count, cb->size);
2793 }
2794 #endif
2795
2796 ch->transferred += cb->size;
2797 s = splaudio();
2798 /* Call back to upper layer */
2799 while (ch->transferred >= ch->blksize) {
2800 ch->transferred -= ch->blksize;
2801 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2802 ch->intr, ch->arg));
2803 ch->intr(ch->arg);
2804 }
2805 splx(s);
2806
2807 /* start next transfer */
2808 uaudio_chan_ptransfer(ch);
2809 }
2810
2811 /* Called at splusb() */
2812 Static void
2813 uaudio_chan_rtransfer(struct chan *ch)
2814 {
2815 struct chanbuf *cb;
2816 int i, size, residue, total;
2817
2818 if (ch->sc->sc_dying)
2819 return;
2820
2821 /* Pick the next channel buffer. */
2822 cb = &ch->chanbufs[ch->curchanbuf];
2823 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2824 ch->curchanbuf = 0;
2825
2826 /* Compute the size of each frame in the next transfer. */
2827 residue = ch->residue;
2828 total = 0;
2829 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2830 size = ch->bytes_per_frame;
2831 cb->sizes[i] = size;
2832 cb->offsets[i] = total;
2833 total += size;
2834 }
2835 ch->residue = residue;
2836 cb->size = total;
2837
2838 #ifdef UAUDIO_DEBUG
2839 if (uaudiodebug > 8) {
2840 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2841 cb->buffer, ch->residue));
2842 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2843 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2844 }
2845 }
2846 #endif
2847
2848 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2849 /* Fill the request */
2850 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2851 UAUDIO_NFRAMES, USBD_NO_COPY,
2852 uaudio_chan_rintr);
2853
2854 (void)usbd_transfer(cb->xfer);
2855 }
2856
2857 Static void
2858 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2859 usbd_status status)
2860 {
2861 struct chanbuf *cb;
2862 struct chan *ch;
2863 uint32_t count;
2864 int s, i, n, frsize;
2865
2866 cb = priv;
2867 ch = cb->chan;
2868 /* Return if we are aborting. */
2869 if (status == USBD_CANCELLED)
2870 return;
2871
2872 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2873 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2874 count, ch->transferred));
2875
2876 /* count < cb->size is normal for asynchronous source */
2877 #ifdef DIAGNOSTIC
2878 if (count > cb->size) {
2879 printf("uaudio_chan_rintr: count(%d) > size(%d)\n",
2880 count, cb->size);
2881 }
2882 #endif
2883
2884 /*
2885 * Transfer data from channel buffer to upper layer buffer, taking
2886 * care of wrapping the upper layer buffer.
2887 */
2888 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2889 frsize = cb->sizes[i];
2890 n = min(frsize, ch->end - ch->cur);
2891 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2892 ch->cur += n;
2893 if (ch->cur >= ch->end)
2894 ch->cur = ch->start;
2895 if (frsize > n) {
2896 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2897 frsize - n);
2898 ch->cur += frsize - n;
2899 }
2900 }
2901
2902 /* Call back to upper layer */
2903 ch->transferred += count;
2904 s = splaudio();
2905 while (ch->transferred >= ch->blksize) {
2906 ch->transferred -= ch->blksize;
2907 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2908 ch->intr, ch->arg));
2909 ch->intr(ch->arg);
2910 }
2911 splx(s);
2912
2913 /* start next transfer */
2914 uaudio_chan_rtransfer(ch);
2915 }
2916
2917 Static void
2918 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2919 int maxpktsize)
2920 {
2921 int samples_per_frame, sample_size;
2922
2923 ch->altidx = altidx;
2924 sample_size = param->precision * param->channels / 8;
2925 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2926 ch->sample_size = sample_size;
2927 ch->sample_rate = param->sample_rate;
2928 if (maxpktsize == 0) {
2929 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2930 ch->bytes_per_frame = samples_per_frame * sample_size;
2931 } else {
2932 ch->fraction = 0;
2933 ch->bytes_per_frame = maxpktsize;
2934 }
2935 ch->residue = 0;
2936 }
2937
2938 Static void
2939 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2940 {
2941
2942 ch->start = start;
2943 ch->end = end;
2944 ch->cur = start;
2945 ch->blksize = blksize;
2946 ch->transferred = 0;
2947 ch->curchanbuf = 0;
2948 }
2949
2950 Static int
2951 uaudio_set_params(void *addr, int setmode, int usemode,
2952 struct audio_params *play, struct audio_params *rec,
2953 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
2954 {
2955 struct uaudio_softc *sc;
2956 int paltidx, raltidx;
2957 struct audio_params *p;
2958 stream_filter_list_t *fil;
2959 int mode, i;
2960
2961 sc = addr;
2962 paltidx = -1;
2963 raltidx = -1;
2964 if (sc->sc_dying)
2965 return EIO;
2966
2967 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2968 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2969 return EBUSY;
2970
2971 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2972 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2973 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2974 }
2975 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2976 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2977 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2978 }
2979
2980 /* Some uaudio devices are unidirectional. Don't try to find a
2981 matching mode for the unsupported direction. */
2982 setmode &= sc->sc_mode;
2983
2984 for (mode = AUMODE_RECORD; mode != -1;
2985 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2986 if ((setmode & mode) == 0)
2987 continue;
2988
2989 if (mode == AUMODE_PLAY) {
2990 p = play;
2991 fil = pfil;
2992 } else {
2993 p = rec;
2994 fil = rfil;
2995 }
2996 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
2997 mode, p, TRUE, fil);
2998 if (i < 0)
2999 return EINVAL;
3000
3001 if (mode == AUMODE_PLAY)
3002 paltidx = i;
3003 else
3004 raltidx = i;
3005 }
3006
3007 if ((setmode & AUMODE_PLAY)) {
3008 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3009 /* XXX abort transfer if currently happening? */
3010 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3011 }
3012 if ((setmode & AUMODE_RECORD)) {
3013 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3014 /* XXX abort transfer if currently happening? */
3015 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3016 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3017 }
3018
3019 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3020 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3021 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3022 }
3023 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3024 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3025 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3026 }
3027
3028 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3029 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3030 (sc->sc_playchan.altidx >= 0)
3031 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3032 : -1,
3033 (sc->sc_recchan.altidx >= 0)
3034 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3035 : -1));
3036
3037 return 0;
3038 }
3039
3040 Static usbd_status
3041 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3042 {
3043 usb_device_request_t req;
3044 uint8_t data[3];
3045
3046 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3047 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3048 req.bRequest = SET_CUR;
3049 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3050 USETW(req.wIndex, endpt);
3051 USETW(req.wLength, 3);
3052 data[0] = speed;
3053 data[1] = speed >> 8;
3054 data[2] = speed >> 16;
3055
3056 return usbd_do_request(sc->sc_udev, &req, data);
3057 }
3058