uaudio.c revision 1.91 1 /* $NetBSD: uaudio.c,v 1.91 2004/11/05 17:46:14 kent Exp $ */
2
3 /*
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (lennart (at) augustsson.net) at
9 * Carlstedt Research & Technology.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * USB audio specs: http://www.usb.org/developers/devclass_docs/audio10.pdf
42 * http://www.usb.org/developers/devclass_docs/frmts10.pdf
43 * http://www.usb.org/developers/devclass_docs/termt10.pdf
44 */
45
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.91 2004/11/05 17:46:14 kent Exp $");
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/malloc.h>
53 #include <sys/device.h>
54 #include <sys/ioctl.h>
55 #include <sys/tty.h>
56 #include <sys/file.h>
57 #include <sys/reboot.h> /* for bootverbose */
58 #include <sys/select.h>
59 #include <sys/proc.h>
60 #include <sys/vnode.h>
61 #include <sys/device.h>
62 #include <sys/poll.h>
63
64 #include <sys/audioio.h>
65 #include <dev/audio_if.h>
66 #include <dev/audiovar.h>
67 #include <dev/mulaw.h>
68 #include <dev/auconv.h>
69
70 #include <dev/usb/usb.h>
71 #include <dev/usb/usbdi.h>
72 #include <dev/usb/usbdi_util.h>
73 #include <dev/usb/usb_quirks.h>
74
75 #include <dev/usb/uaudioreg.h>
76
77 /* #define UAUDIO_DEBUG */
78 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
79 #ifdef UAUDIO_DEBUG
80 #define DPRINTF(x) do { if (uaudiodebug) logprintf x; } while (0)
81 #define DPRINTFN(n,x) do { if (uaudiodebug>(n)) logprintf x; } while (0)
82 int uaudiodebug = 0;
83 #else
84 #define DPRINTF(x)
85 #define DPRINTFN(n,x)
86 #endif
87
88 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
89 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
90
91
92 #define MIX_MAX_CHAN 8
93 struct mixerctl {
94 u_int16_t wValue[MIX_MAX_CHAN]; /* using nchan */
95 u_int16_t wIndex;
96 u_int8_t nchan;
97 u_int8_t type;
98 #define MIX_ON_OFF 1
99 #define MIX_SIGNED_16 2
100 #define MIX_UNSIGNED_16 3
101 #define MIX_SIGNED_8 4
102 #define MIX_SELECTOR 5
103 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
104 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
105 int minval, maxval;
106 u_int delta;
107 u_int mul;
108 u_int8_t class;
109 char ctlname[MAX_AUDIO_DEV_LEN];
110 char *ctlunit;
111 };
112 #define MAKE(h,l) (((h) << 8) | (l))
113
114 struct as_info {
115 u_int8_t alt;
116 u_int8_t encoding;
117 u_int8_t attributes; /* Copy of bmAttributes of
118 * usb_audio_streaming_endpoint_descriptor
119 */
120 usbd_interface_handle ifaceh;
121 const usb_interface_descriptor_t *idesc;
122 const usb_endpoint_descriptor_audio_t *edesc;
123 const usb_endpoint_descriptor_audio_t *edesc1;
124 const struct usb_audio_streaming_type1_descriptor *asf1desc;
125 int sc_busy; /* currently used */
126 };
127
128 struct chan {
129 void (*intr)(void *); /* DMA completion intr handler */
130 void *arg; /* arg for intr() */
131 usbd_pipe_handle pipe;
132 usbd_pipe_handle sync_pipe;
133
134 u_int sample_size;
135 u_int sample_rate;
136 u_int bytes_per_frame;
137 u_int fraction; /* fraction/1000 is the extra samples/frame */
138 u_int residue; /* accumulates the fractional samples */
139
140 u_char *start; /* upper layer buffer start */
141 u_char *end; /* upper layer buffer end */
142 u_char *cur; /* current position in upper layer buffer */
143 int blksize; /* chunk size to report up */
144 int transferred; /* transferred bytes not reported up */
145
146 int altidx; /* currently used altidx */
147
148 int curchanbuf;
149 struct chanbuf {
150 struct chan *chan;
151 usbd_xfer_handle xfer;
152 u_char *buffer;
153 u_int16_t sizes[UAUDIO_NFRAMES];
154 u_int16_t offsets[UAUDIO_NFRAMES];
155 u_int16_t size;
156 } chanbufs[UAUDIO_NCHANBUFS];
157
158 struct uaudio_softc *sc; /* our softc */
159 };
160
161 struct uaudio_softc {
162 USBBASEDEVICE sc_dev; /* base device */
163 usbd_device_handle sc_udev; /* USB device */
164 int sc_ac_iface; /* Audio Control interface */
165 usbd_interface_handle sc_ac_ifaceh;
166 struct chan sc_playchan; /* play channel */
167 struct chan sc_recchan; /* record channel */
168 int sc_nullalt;
169 int sc_audio_rev;
170 struct as_info *sc_alts; /* alternate settings */
171 int sc_nalts; /* # of alternate settings */
172 int sc_altflags;
173 #define HAS_8 0x01
174 #define HAS_16 0x02
175 #define HAS_8U 0x04
176 #define HAS_ALAW 0x08
177 #define HAS_MULAW 0x10
178 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
179 #define HAS_24 0x40
180 int sc_mode; /* play/record capability */
181 struct mixerctl *sc_ctls; /* mixer controls */
182 int sc_nctls; /* # of mixer controls */
183 device_ptr_t sc_audiodev;
184 char sc_dying;
185 };
186
187 struct terminal_list {
188 int size;
189 uint16_t terminals[1];
190 };
191 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
192 + sizeof(uint16_t) * (N))
193
194 struct io_terminal {
195 union {
196 const usb_descriptor_t *desc;
197 const struct usb_audio_input_terminal *it;
198 const struct usb_audio_output_terminal *ot;
199 const struct usb_audio_mixer_unit *mu;
200 const struct usb_audio_selector_unit *su;
201 const struct usb_audio_feature_unit *fu;
202 const struct usb_audio_processing_unit *pu;
203 const struct usb_audio_extension_unit *eu;
204 } d;
205 int inputs_size;
206 struct terminal_list **inputs; /* list of source input terminals */
207 struct terminal_list *output; /* list of destination output terminals */
208 int direct; /* directly connected to an output terminal */
209 };
210
211 #define UAC_OUTPUT 0
212 #define UAC_INPUT 1
213 #define UAC_EQUAL 2
214 #define UAC_RECORD 3
215 #define UAC_NCLASSES 4
216 #ifdef UAUDIO_DEBUG
217 Static const char *uac_names[] = {
218 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
219 };
220 #endif
221
222 Static usbd_status uaudio_identify_ac
223 (struct uaudio_softc *, const usb_config_descriptor_t *);
224 Static usbd_status uaudio_identify_as
225 (struct uaudio_softc *, const usb_config_descriptor_t *);
226 Static usbd_status uaudio_process_as
227 (struct uaudio_softc *, const char *, int *, int,
228 const usb_interface_descriptor_t *);
229
230 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *);
231
232 Static const usb_interface_descriptor_t *uaudio_find_iface
233 (const char *, int, int *, int);
234
235 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *);
236 Static char *uaudio_id_name
237 (struct uaudio_softc *, const struct io_terminal *, int);
238 #ifdef UAUDIO_DEBUG
239 Static void uaudio_dump_cluster(const struct usb_audio_cluster *);
240 #endif
241 Static struct usb_audio_cluster uaudio_get_cluster
242 (int, const struct io_terminal *);
243 Static void uaudio_add_input
244 (struct uaudio_softc *, const struct io_terminal *, int);
245 Static void uaudio_add_output
246 (struct uaudio_softc *, const struct io_terminal *, int);
247 Static void uaudio_add_mixer
248 (struct uaudio_softc *, const struct io_terminal *, int);
249 Static void uaudio_add_selector
250 (struct uaudio_softc *, const struct io_terminal *, int);
251 #ifdef UAUDIO_DEBUG
252 Static const char *uaudio_get_terminal_name(int);
253 #endif
254 Static int uaudio_determine_class
255 (const struct io_terminal *, struct mixerctl *);
256 Static const char *uaudio_feature_name
257 (const struct io_terminal *, struct mixerctl *);
258 Static void uaudio_add_feature
259 (struct uaudio_softc *, const struct io_terminal *, int);
260 Static void uaudio_add_processing_updown
261 (struct uaudio_softc *, const struct io_terminal *, int);
262 Static void uaudio_add_processing
263 (struct uaudio_softc *, const struct io_terminal *, int);
264 Static void uaudio_add_extension
265 (struct uaudio_softc *, const struct io_terminal *, int);
266 Static struct terminal_list *uaudio_merge_terminal_list
267 (const struct io_terminal *);
268 Static struct terminal_list *uaudio_io_terminaltype
269 (int, struct io_terminal *, int);
270 Static usbd_status uaudio_identify
271 (struct uaudio_softc *, const usb_config_descriptor_t *);
272
273 Static int uaudio_signext(int, int);
274 Static int uaudio_value2bsd(struct mixerctl *, int);
275 Static int uaudio_bsd2value(struct mixerctl *, int);
276 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int);
277 Static int uaudio_ctl_get
278 (struct uaudio_softc *, int, struct mixerctl *, int);
279 Static void uaudio_set
280 (struct uaudio_softc *, int, int, int, int, int, int);
281 Static void uaudio_ctl_set
282 (struct uaudio_softc *, int, struct mixerctl *, int, int);
283
284 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int);
285
286 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *);
287 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
288 Static usbd_status uaudio_chan_alloc_buffers
289 (struct uaudio_softc *, struct chan *);
290 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
291 Static void uaudio_chan_init
292 (struct chan *, int, const struct audio_params *, int);
293 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
294 Static void uaudio_chan_ptransfer(struct chan *);
295 Static void uaudio_chan_pintr
296 (usbd_xfer_handle, usbd_private_handle, usbd_status);
297
298 Static void uaudio_chan_rtransfer(struct chan *);
299 Static void uaudio_chan_rintr
300 (usbd_xfer_handle, usbd_private_handle, usbd_status);
301
302 Static int uaudio_open(void *, int);
303 Static void uaudio_close(void *);
304 Static int uaudio_drain(void *);
305 Static int uaudio_query_encoding(void *, struct audio_encoding *);
306 Static void uaudio_get_minmax_rates
307 (int, const struct as_info *, const struct audio_params *,
308 int, u_long *, u_long *);
309 Static int uaudio_match_alt_sub
310 (int, const struct as_info *, const struct audio_params *, int, u_long);
311 Static int uaudio_match_alt_chan
312 (int, const struct as_info *, struct audio_params *, int);
313 Static int uaudio_match_alt
314 (int, const struct as_info *, struct audio_params *, int);
315 Static int uaudio_set_params
316 (void *, int, int, struct audio_params *, struct audio_params *);
317 Static int uaudio_round_blocksize(void *, int);
318 Static int uaudio_trigger_output
319 (void *, void *, void *, int, void (*)(void *), void *,
320 struct audio_params *);
321 Static int uaudio_trigger_input
322 (void *, void *, void *, int, void (*)(void *), void *,
323 struct audio_params *);
324 Static int uaudio_halt_in_dma(void *);
325 Static int uaudio_halt_out_dma(void *);
326 Static int uaudio_getdev(void *, struct audio_device *);
327 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
328 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
329 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
330 Static int uaudio_get_props(void *);
331
332 Static const struct audio_hw_if uaudio_hw_if = {
333 uaudio_open,
334 uaudio_close,
335 uaudio_drain,
336 uaudio_query_encoding,
337 uaudio_set_params,
338 uaudio_round_blocksize,
339 NULL,
340 NULL,
341 NULL,
342 NULL,
343 NULL,
344 uaudio_halt_out_dma,
345 uaudio_halt_in_dma,
346 NULL,
347 uaudio_getdev,
348 NULL,
349 uaudio_mixer_set_port,
350 uaudio_mixer_get_port,
351 uaudio_query_devinfo,
352 NULL,
353 NULL,
354 NULL,
355 NULL,
356 uaudio_get_props,
357 uaudio_trigger_output,
358 uaudio_trigger_input,
359 NULL,
360 };
361
362 Static struct audio_device uaudio_device = {
363 "USB audio",
364 "",
365 "uaudio"
366 };
367
368 USB_DECLARE_DRIVER(uaudio);
369
370 USB_MATCH(uaudio)
371 {
372 USB_MATCH_START(uaudio, uaa);
373 usb_interface_descriptor_t *id;
374
375 if (uaa->iface == NULL)
376 return (UMATCH_NONE);
377
378 id = usbd_get_interface_descriptor(uaa->iface);
379 /* Trigger on the control interface. */
380 if (id == NULL ||
381 id->bInterfaceClass != UICLASS_AUDIO ||
382 id->bInterfaceSubClass != UISUBCLASS_AUDIOCONTROL ||
383 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
384 return (UMATCH_NONE);
385
386 return (UMATCH_IFACECLASS_IFACESUBCLASS);
387 }
388
389 USB_ATTACH(uaudio)
390 {
391 USB_ATTACH_START(uaudio, sc, uaa);
392 usb_interface_descriptor_t *id;
393 usb_config_descriptor_t *cdesc;
394 char devinfo[1024];
395 usbd_status err;
396 int i, j, found;
397
398 usbd_devinfo(uaa->device, 0, devinfo, sizeof(devinfo));
399 printf(": %s\n", devinfo);
400
401 sc->sc_udev = uaa->device;
402
403 cdesc = usbd_get_config_descriptor(sc->sc_udev);
404 if (cdesc == NULL) {
405 printf("%s: failed to get configuration descriptor\n",
406 USBDEVNAME(sc->sc_dev));
407 USB_ATTACH_ERROR_RETURN;
408 }
409
410 err = uaudio_identify(sc, cdesc);
411 if (err) {
412 printf("%s: audio descriptors make no sense, error=%d\n",
413 USBDEVNAME(sc->sc_dev), err);
414 USB_ATTACH_ERROR_RETURN;
415 }
416
417 sc->sc_ac_ifaceh = uaa->iface;
418 /* Pick up the AS interface. */
419 for (i = 0; i < uaa->nifaces; i++) {
420 if (uaa->ifaces[i] == NULL)
421 continue;
422 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
423 if (id == NULL)
424 continue;
425 found = 0;
426 for (j = 0; j < sc->sc_nalts; j++) {
427 if (id->bInterfaceNumber ==
428 sc->sc_alts[j].idesc->bInterfaceNumber) {
429 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
430 found = 1;
431 }
432 }
433 if (found)
434 uaa->ifaces[i] = NULL;
435 }
436
437 for (j = 0; j < sc->sc_nalts; j++) {
438 if (sc->sc_alts[j].ifaceh == NULL) {
439 printf("%s: alt %d missing AS interface(s)\n",
440 USBDEVNAME(sc->sc_dev), j);
441 USB_ATTACH_ERROR_RETURN;
442 }
443 }
444
445 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev),
446 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
447
448 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
449 sc->sc_playchan.altidx = -1;
450 sc->sc_recchan.altidx = -1;
451
452 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
453 sc->sc_altflags |= UA_NOFRAC;
454
455 #ifndef UAUDIO_DEBUG
456 if (bootverbose)
457 #endif
458 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev),
459 sc->sc_nctls);
460
461 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
462 USBDEV(sc->sc_dev));
463
464 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
465 #if defined(__OpenBSD__)
466 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
467 #else
468 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
469 #endif
470
471 USB_ATTACH_SUCCESS_RETURN;
472 }
473
474 int
475 uaudio_activate(device_ptr_t self, enum devact act)
476 {
477 struct uaudio_softc *sc = (struct uaudio_softc *)self;
478 int rv = 0;
479
480 switch (act) {
481 case DVACT_ACTIVATE:
482 return (EOPNOTSUPP);
483 break;
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 = (struct uaudio_softc *)self;
498 int rv = 0;
499
500 /* Wait for outstanding requests to complete. */
501 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
502
503 if (sc->sc_audiodev != NULL)
504 rv = config_detach(sc->sc_audiodev, flags);
505
506 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
507 USBDEV(sc->sc_dev));
508
509 return (rv);
510 }
511
512 Static int
513 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
514 {
515 struct uaudio_softc *sc = addr;
516 int flags = sc->sc_altflags;
517 int idx;
518
519 if (sc->sc_dying)
520 return (EIO);
521
522 if (sc->sc_nalts == 0 || flags == 0)
523 return (ENXIO);
524
525 idx = fp->index;
526 switch (idx) {
527 case 0:
528 strlcpy(fp->name, AudioEulinear, sizeof(fp->name));
529 fp->encoding = AUDIO_ENCODING_ULINEAR;
530 fp->precision = 8;
531 fp->flags = flags&HAS_8U ? 0 : AUDIO_ENCODINGFLAG_EMULATED;
532 return (0);
533 case 1:
534 strlcpy(fp->name, AudioEmulaw, sizeof(fp->name));
535 fp->encoding = AUDIO_ENCODING_ULAW;
536 fp->precision = 8;
537 fp->flags = flags&HAS_MULAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED;
538 return (0);
539 case 2:
540 strlcpy(fp->name, AudioEalaw, sizeof(fp->name));
541 fp->encoding = AUDIO_ENCODING_ALAW;
542 fp->precision = 8;
543 fp->flags = flags&HAS_ALAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED;
544 return (0);
545 case 3:
546 strlcpy(fp->name, AudioEslinear, sizeof(fp->name));
547 fp->encoding = AUDIO_ENCODING_SLINEAR;
548 fp->precision = 8;
549 fp->flags = flags&HAS_8 ? 0 : AUDIO_ENCODINGFLAG_EMULATED;
550 return (0);
551 case 4:
552 strlcpy(fp->name, AudioEslinear_le, sizeof(fp->name));
553 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
554 fp->precision = 16;
555 fp->flags = 0;
556 return (0);
557 case 5:
558 strlcpy(fp->name, AudioEulinear_le, sizeof(fp->name));
559 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
560 fp->precision = 16;
561 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
562 return (0);
563 case 6:
564 strlcpy(fp->name, AudioEslinear_be, sizeof(fp->name));
565 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
566 fp->precision = 16;
567 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
568 return (0);
569 case 7:
570 strlcpy(fp->name, AudioEulinear_be, sizeof(fp->name));
571 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
572 fp->precision = 16;
573 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
574 return (0);
575 default:
576 return (EINVAL);
577 }
578 }
579
580 Static const usb_interface_descriptor_t *
581 uaudio_find_iface(const char *buf, int size, int *offsp, int subtype)
582 {
583 const usb_interface_descriptor_t *d;
584
585 while (*offsp < size) {
586 d = (const void *)(buf + *offsp);
587 *offsp += d->bLength;
588 if (d->bDescriptorType == UDESC_INTERFACE &&
589 d->bInterfaceClass == UICLASS_AUDIO &&
590 d->bInterfaceSubClass == subtype)
591 return (d);
592 }
593 return (NULL);
594 }
595
596 Static void
597 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
598 {
599 int res;
600 size_t len;
601 struct mixerctl *nmc;
602
603 if (mc->class < UAC_NCLASSES) {
604 DPRINTF(("%s: adding %s.%s\n",
605 __func__, uac_names[mc->class], mc->ctlname));
606 } else {
607 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
608 }
609 len = sizeof(*mc) * (sc->sc_nctls + 1);
610 nmc = malloc(len, M_USBDEV, M_NOWAIT);
611 if (nmc == NULL) {
612 printf("uaudio_mixer_add_ctl: no memory\n");
613 return;
614 }
615 /* Copy old data, if there was any */
616 if (sc->sc_nctls != 0) {
617 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
618 free(sc->sc_ctls, M_USBDEV);
619 }
620 sc->sc_ctls = nmc;
621
622 mc->delta = 0;
623 if (mc->type == MIX_ON_OFF) {
624 mc->minval = 0;
625 mc->maxval = 1;
626 } else if (mc->type == MIX_SELECTOR) {
627 ;
628 } else {
629 /* Determine min and max values. */
630 mc->minval = uaudio_signext(mc->type,
631 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
632 mc->wValue[0], mc->wIndex,
633 MIX_SIZE(mc->type)));
634 mc->maxval = 1 + uaudio_signext(mc->type,
635 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
636 mc->wValue[0], mc->wIndex,
637 MIX_SIZE(mc->type)));
638 mc->mul = mc->maxval - mc->minval;
639 if (mc->mul == 0)
640 mc->mul = 1;
641 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
642 mc->wValue[0], mc->wIndex,
643 MIX_SIZE(mc->type));
644 if (res > 0)
645 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
646 }
647
648 sc->sc_ctls[sc->sc_nctls++] = *mc;
649
650 #ifdef UAUDIO_DEBUG
651 if (uaudiodebug > 2) {
652 int i;
653 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
654 for (i = 1; i < mc->nchan; i++)
655 DPRINTF((",%04x", mc->wValue[i]));
656 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
657 "min=%d max=%d\n",
658 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
659 mc->minval, mc->maxval));
660 }
661 #endif
662 }
663
664 Static char *
665 uaudio_id_name(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
666 {
667 static char buf[32];
668 snprintf(buf, sizeof(buf), "i%d", id);
669 return (buf);
670 }
671
672 #ifdef UAUDIO_DEBUG
673 Static void
674 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
675 {
676 static const char *channel_names[16] = {
677 "LEFT", "RIGHT", "CENTER", "LFE",
678 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
679 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
680 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
681 };
682 int cc, i, first;
683
684 cc = UGETW(cl->wChannelConfig);
685 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
686 cl->bNrChannels, cc);
687 first = TRUE;
688 for (i = 0; cc != 0; i++) {
689 if (cc & 1) {
690 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
691 first = FALSE;
692 }
693 cc = cc >> 1;
694 }
695 logprintf("> iChannelNames=%u", cl->iChannelNames);
696 }
697 #endif
698
699 Static struct usb_audio_cluster
700 uaudio_get_cluster(int id, const struct io_terminal *iot)
701 {
702 struct usb_audio_cluster r;
703 const usb_descriptor_t *dp;
704 int i;
705
706 for (i = 0; i < 25; i++) { /* avoid infinite loops */
707 dp = iot[id].d.desc;
708 if (dp == 0)
709 goto bad;
710 switch (dp->bDescriptorSubtype) {
711 case UDESCSUB_AC_INPUT:
712 r.bNrChannels = iot[id].d.it->bNrChannels;
713 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
714 r.iChannelNames = iot[id].d.it->iChannelNames;
715 return (r);
716 case UDESCSUB_AC_OUTPUT:
717 id = iot[id].d.ot->bSourceId;
718 break;
719 case UDESCSUB_AC_MIXER:
720 r = *(struct usb_audio_cluster *)
721 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
722 return (r);
723 case UDESCSUB_AC_SELECTOR:
724 /* XXX This is not really right */
725 id = iot[id].d.su->baSourceId[0];
726 break;
727 case UDESCSUB_AC_FEATURE:
728 id = iot[id].d.fu->bSourceId;
729 break;
730 case UDESCSUB_AC_PROCESSING:
731 r = *(struct usb_audio_cluster *)
732 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
733 return (r);
734 case UDESCSUB_AC_EXTENSION:
735 r = *(struct usb_audio_cluster *)
736 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
737 return (r);
738 default:
739 goto bad;
740 }
741 }
742 bad:
743 printf("uaudio_get_cluster: bad data\n");
744 memset(&r, 0, sizeof r);
745 return (r);
746
747 }
748
749 Static void
750 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
751 {
752 #ifdef UAUDIO_DEBUG
753 const struct usb_audio_input_terminal *d = iot[id].d.it;
754
755 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
756 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
757 "iChannelNames=%d iTerminal=%d\n",
758 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
759 d->bNrChannels, UGETW(d->wChannelConfig),
760 d->iChannelNames, d->iTerminal));
761 #endif
762 }
763
764 Static void
765 uaudio_add_output(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
766 {
767 #ifdef UAUDIO_DEBUG
768 const struct usb_audio_output_terminal *d = iot[id].d.ot;
769
770 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
771 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
772 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
773 d->bSourceId, d->iTerminal));
774 #endif
775 }
776
777 Static void
778 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
779 {
780 const struct usb_audio_mixer_unit *d = iot[id].d.mu;
781 struct usb_audio_mixer_unit_1 *d1;
782 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
783 uByte *bm;
784 struct mixerctl mix;
785
786 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
787 d->bUnitId, d->bNrInPins));
788
789 /* Compute the number of input channels */
790 ichs = 0;
791 for (i = 0; i < d->bNrInPins; i++)
792 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
793
794 /* and the number of output channels */
795 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
796 ochs = d1->bNrChannels;
797 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
798
799 bm = d1->bmControls;
800 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
801 uaudio_determine_class(&iot[id], &mix);
802 mix.type = MIX_SIGNED_16;
803 mix.ctlunit = AudioNvolume;
804 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
805 for (p = i = 0; i < d->bNrInPins; i++) {
806 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
807 mc = 0;
808 for (c = 0; c < chs; c++) {
809 mo = 0;
810 for (o = 0; o < ochs; o++) {
811 bno = (p + c) * ochs + o;
812 if (BIT(bno))
813 mo++;
814 }
815 if (mo == 1)
816 mc++;
817 }
818 if (mc == chs && chs <= MIX_MAX_CHAN) {
819 k = 0;
820 for (c = 0; c < chs; c++)
821 for (o = 0; o < ochs; o++) {
822 bno = (p + c) * ochs + o;
823 if (BIT(bno))
824 mix.wValue[k++] =
825 MAKE(p+c+1, o+1);
826 }
827 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
828 d->bUnitId, uaudio_id_name(sc, iot,
829 d->baSourceId[i]));
830 mix.nchan = chs;
831 uaudio_mixer_add_ctl(sc, &mix);
832 } else {
833 /* XXX */
834 }
835 #undef BIT
836 p += chs;
837 }
838
839 }
840
841 Static void
842 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
843 {
844 const struct usb_audio_selector_unit *d = iot[id].d.su;
845 struct mixerctl mix;
846 int i, wp;
847
848 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
849 d->bUnitId, d->bNrInPins));
850 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
851 mix.wValue[0] = MAKE(0, 0);
852 uaudio_determine_class(&iot[id], &mix);
853 mix.nchan = 1;
854 mix.type = MIX_SELECTOR;
855 mix.ctlunit = "";
856 mix.minval = 1;
857 mix.maxval = d->bNrInPins;
858 mix.mul = mix.maxval - mix.minval;
859 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
860 for (i = 1; i <= d->bNrInPins; i++) {
861 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
862 "i%d", d->baSourceId[i - 1]);
863 if (wp > MAX_AUDIO_DEV_LEN - 1)
864 break;
865 }
866 uaudio_mixer_add_ctl(sc, &mix);
867 }
868
869 #ifdef UAUDIO_DEBUG
870 Static const char *
871 uaudio_get_terminal_name(int terminal_type)
872 {
873 static char buf[100];
874
875 switch (terminal_type) {
876 /* USB terminal types */
877 case UAT_UNDEFINED: return "UAT_UNDEFINED";
878 case UAT_STREAM: return "UAT_STREAM";
879 case UAT_VENDOR: return "UAT_VENDOR";
880 /* input terminal types */
881 case UATI_UNDEFINED: return "UATI_UNDEFINED";
882 case UATI_MICROPHONE: return "UATI_MICROPHONE";
883 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
884 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
885 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
886 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
887 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
888 /* output terminal types */
889 case UATO_UNDEFINED: return "UATO_UNDEFINED";
890 case UATO_SPEAKER: return "UATO_SPEAKER";
891 case UATO_HEADPHONES: return "UATO_HEADPHONES";
892 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
893 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
894 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
895 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
896 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
897 /* bidir terminal types */
898 case UATB_UNDEFINED: return "UATB_UNDEFINED";
899 case UATB_HANDSET: return "UATB_HANDSET";
900 case UATB_HEADSET: return "UATB_HEADSET";
901 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
902 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
903 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
904 /* telephony terminal types */
905 case UATT_UNDEFINED: return "UATT_UNDEFINED";
906 case UATT_PHONELINE: return "UATT_PHONELINE";
907 case UATT_TELEPHONE: return "UATT_TELEPHONE";
908 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
909 /* external terminal types */
910 case UATE_UNDEFINED: return "UATE_UNDEFINED";
911 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
912 case UATE_LINECONN: return "UATE_LINECONN";
913 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
914 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
915 case UATE_SPDIF: return "UATE_SPDIF";
916 case UATE_1394DA: return "UATE_1394DA";
917 case UATE_1394DV: return "UATE_1394DV";
918 /* embedded function terminal types */
919 case UATF_UNDEFINED: return "UATF_UNDEFINED";
920 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
921 case UATF_EQUNOISE: return "UATF_EQUNOISE";
922 case UATF_CDPLAYER: return "UATF_CDPLAYER";
923 case UATF_DAT: return "UATF_DAT";
924 case UATF_DCC: return "UATF_DCC";
925 case UATF_MINIDISK: return "UATF_MINIDISK";
926 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
927 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
928 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
929 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
930 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
931 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
932 case UATF_SATELLITE: return "UATF_SATELLITE";
933 case UATF_CABLETUNER: return "UATF_CABLETUNER";
934 case UATF_DSS: return "UATF_DSS";
935 case UATF_RADIORECV: return "UATF_RADIORECV";
936 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
937 case UATF_MULTITRACK: return "UATF_MULTITRACK";
938 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
939 default:
940 snprintf(buf, sizeof(buf), "unknown type (0x%.4x)", terminal_type);
941 return buf;
942 }
943 }
944 #endif
945
946 Static int
947 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
948 {
949 int terminal_type;
950
951 if (iot == NULL || iot->output == NULL) {
952 mix->class = UAC_OUTPUT;
953 return 0;
954 }
955 terminal_type = 0;
956 if (iot->output->size == 1)
957 terminal_type = iot->output->terminals[0];
958 /*
959 * If the only output terminal is USB,
960 * the class is UAC_RECORD.
961 */
962 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
963 mix->class = UAC_RECORD;
964 if (iot->inputs_size == 1
965 && iot->inputs[0] != NULL
966 && iot->inputs[0]->size == 1)
967 return iot->inputs[0]->terminals[0];
968 else
969 return 0;
970 }
971 /*
972 * If the ultimate destination of the unit is just one output
973 * terminal and the unit is connected to the output terminal
974 * directly, the class is UAC_OUTPUT.
975 */
976 if (terminal_type != 0 && iot->direct) {
977 mix->class = UAC_OUTPUT;
978 return terminal_type;
979 }
980 /*
981 * If the unit is connected to just one input terminal,
982 * the class is UAC_INPUT.
983 */
984 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
985 && iot->inputs[0]->size == 1) {
986 mix->class = UAC_INPUT;
987 return iot->inputs[0]->terminals[0];
988 }
989 /*
990 * Otherwise, the class is UAC_OUTPUT.
991 */
992 mix->class = UAC_OUTPUT;
993 return terminal_type;
994 }
995
996 Static const char *
997 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
998 {
999 int terminal_type;
1000
1001 terminal_type = uaudio_determine_class(iot, mix);
1002 if (mix->class == UAC_RECORD && terminal_type == 0)
1003 return AudioNmixerout;
1004 DPRINTF(("%s: terminal_type=%s\n", __func__,
1005 uaudio_get_terminal_name(terminal_type)));
1006 switch (terminal_type) {
1007 case UAT_STREAM:
1008 return AudioNdac;
1009
1010 case UATI_MICROPHONE:
1011 case UATI_DESKMICROPHONE:
1012 case UATI_PERSONALMICROPHONE:
1013 case UATI_OMNIMICROPHONE:
1014 case UATI_MICROPHONEARRAY:
1015 case UATI_PROCMICROPHONEARR:
1016 return AudioNmicrophone;
1017
1018 case UATO_SPEAKER:
1019 case UATO_DESKTOPSPEAKER:
1020 case UATO_ROOMSPEAKER:
1021 case UATO_COMMSPEAKER:
1022 return AudioNspeaker;
1023
1024 case UATO_HEADPHONES:
1025 return AudioNheadphone;
1026
1027 case UATO_SUBWOOFER:
1028 return AudioNlfe;
1029
1030 /* telephony terminal types */
1031 case UATT_UNDEFINED:
1032 case UATT_PHONELINE:
1033 case UATT_TELEPHONE:
1034 case UATT_DOWNLINEPHONE:
1035 return "phone";
1036
1037 case UATE_ANALOGCONN:
1038 case UATE_LINECONN:
1039 case UATE_LEGACYCONN:
1040 return AudioNline;
1041
1042 case UATE_DIGITALAUIFC:
1043 case UATE_SPDIF:
1044 case UATE_1394DA:
1045 case UATE_1394DV:
1046 return AudioNaux;
1047
1048 case UATF_CDPLAYER:
1049 return AudioNcd;
1050
1051 case UATF_SYNTHESIZER:
1052 return AudioNfmsynth;
1053
1054 case UATF_VIDEODISCAUDIO:
1055 case UATF_DVDAUDIO:
1056 case UATF_TVTUNERAUDIO:
1057 return AudioNvideo;
1058
1059 case UAT_UNDEFINED:
1060 case UAT_VENDOR:
1061 case UATI_UNDEFINED:
1062 /* output terminal types */
1063 case UATO_UNDEFINED:
1064 case UATO_DISPLAYAUDIO:
1065 /* bidir terminal types */
1066 case UATB_UNDEFINED:
1067 case UATB_HANDSET:
1068 case UATB_HEADSET:
1069 case UATB_SPEAKERPHONE:
1070 case UATB_SPEAKERPHONEESUP:
1071 case UATB_SPEAKERPHONEECANC:
1072 /* external terminal types */
1073 case UATE_UNDEFINED:
1074 /* embedded function terminal types */
1075 case UATF_UNDEFINED:
1076 case UATF_CALIBNOISE:
1077 case UATF_EQUNOISE:
1078 case UATF_DAT:
1079 case UATF_DCC:
1080 case UATF_MINIDISK:
1081 case UATF_ANALOGTAPE:
1082 case UATF_PHONOGRAPH:
1083 case UATF_VCRAUDIO:
1084 case UATF_SATELLITE:
1085 case UATF_CABLETUNER:
1086 case UATF_DSS:
1087 case UATF_RADIORECV:
1088 case UATF_RADIOXMIT:
1089 case UATF_MULTITRACK:
1090 case 0xffff:
1091 default:
1092 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1093 return AudioNmaster;
1094 }
1095 return AudioNmaster;
1096 }
1097
1098 Static void
1099 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1100 {
1101 const struct usb_audio_feature_unit *d = iot[id].d.fu;
1102 uByte *ctls = d->bmaControls;
1103 int ctlsize = d->bControlSize;
1104 int nchan = (d->bLength - 7) / ctlsize;
1105 u_int fumask, mmask, cmask;
1106 struct mixerctl mix;
1107 int chan, ctl, i, unit;
1108 const char *mixername;
1109
1110 #define GET(i) (ctls[(i)*ctlsize] | \
1111 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1112
1113 mmask = GET(0);
1114 /* Figure out what we can control */
1115 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1116 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1117 chan, GET(chan)));
1118 cmask |= GET(chan);
1119 }
1120
1121 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1122 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1123 d->bUnitId, nchan, mmask, cmask));
1124
1125 if (nchan > MIX_MAX_CHAN)
1126 nchan = MIX_MAX_CHAN;
1127 unit = d->bUnitId;
1128 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1129 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1130 fumask = FU_MASK(ctl);
1131 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1132 ctl, fumask));
1133 if (mmask & fumask) {
1134 mix.nchan = 1;
1135 mix.wValue[0] = MAKE(ctl, 0);
1136 } else if (cmask & fumask) {
1137 mix.nchan = nchan - 1;
1138 for (i = 1; i < nchan; i++) {
1139 if (GET(i) & fumask)
1140 mix.wValue[i-1] = MAKE(ctl, i);
1141 else
1142 mix.wValue[i-1] = -1;
1143 }
1144 } else {
1145 continue;
1146 }
1147 #undef GET
1148 mixername = uaudio_feature_name(&iot[id], &mix);
1149 switch (ctl) {
1150 case MUTE_CONTROL:
1151 mix.type = MIX_ON_OFF;
1152 mix.ctlunit = "";
1153 snprintf(mix.ctlname, sizeof(mix.ctlname),
1154 "%s.%s", mixername, AudioNmute);
1155 break;
1156 case VOLUME_CONTROL:
1157 mix.type = MIX_SIGNED_16;
1158 mix.ctlunit = AudioNvolume;
1159 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1160 break;
1161 case BASS_CONTROL:
1162 mix.type = MIX_SIGNED_8;
1163 mix.ctlunit = AudioNbass;
1164 snprintf(mix.ctlname, sizeof(mix.ctlname),
1165 "%s.%s", mixername, AudioNbass);
1166 break;
1167 case MID_CONTROL:
1168 mix.type = MIX_SIGNED_8;
1169 mix.ctlunit = AudioNmid;
1170 snprintf(mix.ctlname, sizeof(mix.ctlname),
1171 "%s.%s", mixername, AudioNmid);
1172 break;
1173 case TREBLE_CONTROL:
1174 mix.type = MIX_SIGNED_8;
1175 mix.ctlunit = AudioNtreble;
1176 snprintf(mix.ctlname, sizeof(mix.ctlname),
1177 "%s.%s", mixername, AudioNtreble);
1178 break;
1179 case GRAPHIC_EQUALIZER_CONTROL:
1180 continue; /* XXX don't add anything */
1181 break;
1182 case AGC_CONTROL:
1183 mix.type = MIX_ON_OFF;
1184 mix.ctlunit = "";
1185 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1186 mixername, AudioNagc);
1187 break;
1188 case DELAY_CONTROL:
1189 mix.type = MIX_UNSIGNED_16;
1190 mix.ctlunit = "4 ms";
1191 snprintf(mix.ctlname, sizeof(mix.ctlname),
1192 "%s.%s", mixername, AudioNdelay);
1193 break;
1194 case BASS_BOOST_CONTROL:
1195 mix.type = MIX_ON_OFF;
1196 mix.ctlunit = "";
1197 snprintf(mix.ctlname, sizeof(mix.ctlname),
1198 "%s.%s", mixername, AudioNbassboost);
1199 break;
1200 case LOUDNESS_CONTROL:
1201 mix.type = MIX_ON_OFF;
1202 mix.ctlunit = "";
1203 snprintf(mix.ctlname, sizeof(mix.ctlname),
1204 "%s.%s", mixername, AudioNloudness);
1205 break;
1206 }
1207 uaudio_mixer_add_ctl(sc, &mix);
1208 }
1209 }
1210
1211 Static void
1212 uaudio_add_processing_updown(struct uaudio_softc *sc,
1213 const struct io_terminal *iot, int id)
1214 {
1215 const struct usb_audio_processing_unit *d = iot[id].d.pu;
1216 const struct usb_audio_processing_unit_1 *d1 =
1217 (const struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins];
1218 const struct usb_audio_processing_unit_updown *ud =
1219 (const struct usb_audio_processing_unit_updown *)
1220 &d1->bmControls[d1->bControlSize];
1221 struct mixerctl mix;
1222 int i;
1223
1224 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1225 d->bUnitId, ud->bNrModes));
1226
1227 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1228 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1229 return;
1230 }
1231
1232 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1233 mix.nchan = 1;
1234 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1235 uaudio_determine_class(&iot[id], &mix);
1236 mix.type = MIX_ON_OFF; /* XXX */
1237 mix.ctlunit = "";
1238 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1239
1240 for (i = 0; i < ud->bNrModes; i++) {
1241 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1242 i, UGETW(ud->waModes[i])));
1243 /* XXX */
1244 }
1245 uaudio_mixer_add_ctl(sc, &mix);
1246 }
1247
1248 Static void
1249 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1250 {
1251 const struct usb_audio_processing_unit *d = iot[id].d.pu;
1252 const struct usb_audio_processing_unit_1 *d1 =
1253 (const struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins];
1254 int ptype = UGETW(d->wProcessType);
1255 struct mixerctl mix;
1256
1257 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1258 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1259
1260 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1261 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1262 mix.nchan = 1;
1263 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1264 uaudio_determine_class(&iot[id], &mix);
1265 mix.type = MIX_ON_OFF;
1266 mix.ctlunit = "";
1267 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1268 d->bUnitId, ptype);
1269 uaudio_mixer_add_ctl(sc, &mix);
1270 }
1271
1272 switch(ptype) {
1273 case UPDOWNMIX_PROCESS:
1274 uaudio_add_processing_updown(sc, iot, id);
1275 break;
1276 case DOLBY_PROLOGIC_PROCESS:
1277 case P3D_STEREO_EXTENDER_PROCESS:
1278 case REVERBATION_PROCESS:
1279 case CHORUS_PROCESS:
1280 case DYN_RANGE_COMP_PROCESS:
1281 default:
1282 #ifdef UAUDIO_DEBUG
1283 printf("uaudio_add_processing: unit %d, type=%d not impl.\n",
1284 d->bUnitId, ptype);
1285 #endif
1286 break;
1287 }
1288 }
1289
1290 Static void
1291 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1292 {
1293 const struct usb_audio_extension_unit *d = iot[id].d.eu;
1294 const struct usb_audio_extension_unit_1 *d1 =
1295 (const struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins];
1296 struct mixerctl mix;
1297
1298 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1299 d->bUnitId, d->bNrInPins));
1300
1301 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1302 return;
1303
1304 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1305 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1306 mix.nchan = 1;
1307 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1308 uaudio_determine_class(&iot[id], &mix);
1309 mix.type = MIX_ON_OFF;
1310 mix.ctlunit = "";
1311 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1312 d->bUnitId);
1313 uaudio_mixer_add_ctl(sc, &mix);
1314 }
1315 }
1316
1317 Static struct terminal_list*
1318 uaudio_merge_terminal_list(const struct io_terminal *iot)
1319 {
1320 struct terminal_list *tml;
1321 uint16_t *ptm;
1322 int i, len;
1323
1324 len = 0;
1325 if (iot->inputs == NULL)
1326 return NULL;
1327 for (i = 0; i < iot->inputs_size; i++) {
1328 if (iot->inputs[i] != NULL)
1329 len += iot->inputs[i]->size;
1330 }
1331 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1332 if (tml == NULL) {
1333 printf("uaudio_merge_terminal_list: no memory\n");
1334 return NULL;
1335 }
1336 tml->size = 0;
1337 ptm = tml->terminals;
1338 for (i = 0; i < iot->inputs_size; i++) {
1339 if (iot->inputs[i] == NULL)
1340 continue;
1341 if (iot->inputs[i]->size > len)
1342 break;
1343 memcpy(ptm, iot->inputs[i]->terminals,
1344 iot->inputs[i]->size * sizeof(uint16_t));
1345 tml->size += iot->inputs[i]->size;
1346 ptm += iot->inputs[i]->size;
1347 len -= iot->inputs[i]->size;
1348 }
1349 return tml;
1350 }
1351
1352 Static struct terminal_list *
1353 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1354 {
1355 struct terminal_list *tml;
1356 struct io_terminal *it;
1357 int src_id, i;
1358
1359 it = &iot[id];
1360 if (it->output != NULL) {
1361 /* already has outtype? */
1362 for (i = 0; i < it->output->size; i++)
1363 if (it->output->terminals[i] == outtype)
1364 return uaudio_merge_terminal_list(it);
1365 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1366 M_TEMP, M_NOWAIT);
1367 if (tml == NULL) {
1368 printf("uaudio_io_terminaltype: no memory\n");
1369 return uaudio_merge_terminal_list(it);
1370 }
1371 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1372 tml->terminals[it->output->size] = outtype;
1373 tml->size++;
1374 free(it->output, M_TEMP);
1375 it->output = tml;
1376 if (it->inputs != NULL) {
1377 for (i = 0; i < it->inputs_size; i++)
1378 if (it->inputs[i] != NULL)
1379 free(it->inputs[i], M_TEMP);
1380 free(it->inputs, M_TEMP);
1381 }
1382 it->inputs_size = 0;
1383 it->inputs = NULL;
1384 } else { /* end `iot[id] != NULL' */
1385 it->inputs_size = 0;
1386 it->inputs = NULL;
1387 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1388 if (it->output == NULL) {
1389 printf("uaudio_io_terminaltype: no memory\n");
1390 return NULL;
1391 }
1392 it->output->terminals[0] = outtype;
1393 it->output->size = 1;
1394 it->direct = FALSE;
1395 }
1396
1397 switch (it->d.desc->bDescriptorSubtype) {
1398 case UDESCSUB_AC_INPUT:
1399 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1400 if (it->inputs == NULL) {
1401 printf("uaudio_io_terminaltype: no memory\n");
1402 return NULL;
1403 }
1404 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1405 if (tml == NULL) {
1406 printf("uaudio_io_terminaltype: no memory\n");
1407 free(it->inputs, M_TEMP);
1408 it->inputs = NULL;
1409 return NULL;
1410 }
1411 it->inputs[0] = tml;
1412 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1413 tml->size = 1;
1414 it->inputs_size = 1;
1415 return uaudio_merge_terminal_list(it);
1416 case UDESCSUB_AC_FEATURE:
1417 src_id = it->d.fu->bSourceId;
1418 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1419 if (it->inputs == NULL) {
1420 printf("uaudio_io_terminaltype: no memory\n");
1421 return uaudio_io_terminaltype(outtype, iot, src_id);
1422 }
1423 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1424 it->inputs_size = 1;
1425 return uaudio_merge_terminal_list(it);
1426 case UDESCSUB_AC_OUTPUT:
1427 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1428 if (it->inputs == NULL) {
1429 printf("uaudio_io_terminaltype: no memory\n");
1430 return NULL;
1431 }
1432 src_id = it->d.ot->bSourceId;
1433 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1434 it->inputs_size = 1;
1435 iot[src_id].direct = TRUE;
1436 return NULL;
1437 case UDESCSUB_AC_MIXER:
1438 it->inputs_size = 0;
1439 it->inputs = malloc(sizeof(struct terminal_list *)
1440 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1441 if (it->inputs == NULL) {
1442 printf("uaudio_io_terminaltype: no memory\n");
1443 return NULL;
1444 }
1445 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1446 src_id = it->d.mu->baSourceId[i];
1447 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1448 src_id);
1449 it->inputs_size++;
1450 }
1451 return uaudio_merge_terminal_list(it);
1452 case UDESCSUB_AC_SELECTOR:
1453 it->inputs_size = 0;
1454 it->inputs = malloc(sizeof(struct terminal_list *)
1455 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1456 if (it->inputs == NULL) {
1457 printf("uaudio_io_terminaltype: no memory\n");
1458 return NULL;
1459 }
1460 for (i = 0; i < it->d.su->bNrInPins; i++) {
1461 src_id = it->d.su->baSourceId[i];
1462 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1463 src_id);
1464 it->inputs_size++;
1465 }
1466 return uaudio_merge_terminal_list(it);
1467 case UDESCSUB_AC_PROCESSING:
1468 it->inputs_size = 0;
1469 it->inputs = malloc(sizeof(struct terminal_list *)
1470 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1471 if (it->inputs == NULL) {
1472 printf("uaudio_io_terminaltype: no memory\n");
1473 return NULL;
1474 }
1475 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1476 src_id = it->d.pu->baSourceId[i];
1477 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1478 src_id);
1479 it->inputs_size++;
1480 }
1481 return uaudio_merge_terminal_list(it);
1482 case UDESCSUB_AC_EXTENSION:
1483 it->inputs_size = 0;
1484 it->inputs = malloc(sizeof(struct terminal_list *)
1485 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1486 if (it->inputs == NULL) {
1487 printf("uaudio_io_terminaltype: no memory\n");
1488 return NULL;
1489 }
1490 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1491 src_id = it->d.eu->baSourceId[i];
1492 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1493 src_id);
1494 it->inputs_size++;
1495 }
1496 return uaudio_merge_terminal_list(it);
1497 case UDESCSUB_AC_HEADER:
1498 default:
1499 return NULL;
1500 }
1501 }
1502
1503 Static usbd_status
1504 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1505 {
1506 usbd_status err;
1507
1508 err = uaudio_identify_ac(sc, cdesc);
1509 if (err)
1510 return (err);
1511 return (uaudio_identify_as(sc, cdesc));
1512 }
1513
1514 Static void
1515 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1516 {
1517 size_t len;
1518 struct as_info *nai;
1519
1520 len = sizeof(*ai) * (sc->sc_nalts + 1);
1521 nai = malloc(len, M_USBDEV, M_NOWAIT);
1522 if (nai == NULL) {
1523 printf("uaudio_add_alt: no memory\n");
1524 return;
1525 }
1526 /* Copy old data, if there was any */
1527 if (sc->sc_nalts != 0) {
1528 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1529 free(sc->sc_alts, M_USBDEV);
1530 }
1531 sc->sc_alts = nai;
1532 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1533 ai->alt, ai->encoding));
1534 sc->sc_alts[sc->sc_nalts++] = *ai;
1535 }
1536
1537 Static usbd_status
1538 uaudio_process_as(struct uaudio_softc *sc, const char *buf, int *offsp,
1539 int size, const usb_interface_descriptor_t *id)
1540 #define offs (*offsp)
1541 {
1542 const struct usb_audio_streaming_interface_descriptor *asid;
1543 const struct usb_audio_streaming_type1_descriptor *asf1d;
1544 const usb_endpoint_descriptor_audio_t *ed;
1545 const usb_endpoint_descriptor_audio_t *epdesc1;
1546 const struct usb_audio_streaming_endpoint_descriptor *sed;
1547 int format, chan, prec, enc;
1548 int dir, type, sync;
1549 struct as_info ai;
1550 const char *format_str;
1551
1552 asid = (const void *)(buf + offs);
1553 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1554 asid->bDescriptorSubtype != AS_GENERAL)
1555 return (USBD_INVAL);
1556 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1557 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1558 offs += asid->bLength;
1559 if (offs > size)
1560 return (USBD_INVAL);
1561
1562 asf1d = (const void *)(buf + offs);
1563 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1564 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1565 return (USBD_INVAL);
1566 offs += asf1d->bLength;
1567 if (offs > size)
1568 return (USBD_INVAL);
1569
1570 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1571 printf("%s: ignored setting with type %d format\n",
1572 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag));
1573 return (USBD_NORMAL_COMPLETION);
1574 }
1575
1576 ed = (const void *)(buf + offs);
1577 if (ed->bDescriptorType != UDESC_ENDPOINT)
1578 return (USBD_INVAL);
1579 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1580 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1581 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1582 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1583 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1584 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1585 offs += ed->bLength;
1586 if (offs > size)
1587 return (USBD_INVAL);
1588 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1589 return (USBD_INVAL);
1590
1591 dir = UE_GET_DIR(ed->bEndpointAddress);
1592 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1593 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1594 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1595 type = UE_ISO_ASYNC;
1596
1597 /* We can't handle endpoints that need a sync pipe yet. */
1598 sync = FALSE;
1599 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1600 sync = TRUE;
1601 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1602 printf("%s: ignored input endpoint of type adaptive\n",
1603 USBDEVNAME(sc->sc_dev));
1604 return (USBD_NORMAL_COMPLETION);
1605 #endif
1606 }
1607 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1608 sync = TRUE;
1609 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1610 printf("%s: ignored output endpoint of type async\n",
1611 USBDEVNAME(sc->sc_dev));
1612 return (USBD_NORMAL_COMPLETION);
1613 #endif
1614 }
1615
1616 sed = (const void *)(buf + offs);
1617 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1618 sed->bDescriptorSubtype != AS_GENERAL)
1619 return (USBD_INVAL);
1620 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1621 offs += sed->bLength;
1622 if (offs > size)
1623 return (USBD_INVAL);
1624
1625 if (sync && id->bNumEndpoints <= 1) {
1626 printf("%s: a sync-pipe endpoint but no other endpoint\n",
1627 USBDEVNAME(sc->sc_dev));
1628 return USBD_INVAL;
1629 }
1630 if (!sync && id->bNumEndpoints > 1) {
1631 printf("%s: non sync-pipe endpoint but multiple endpoints\n",
1632 USBDEVNAME(sc->sc_dev));
1633 return USBD_INVAL;
1634 }
1635 epdesc1 = NULL;
1636 if (id->bNumEndpoints > 1) {
1637 epdesc1 = (const void*)(buf + offs);
1638 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1639 return USBD_INVAL;
1640 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1641 "bDescriptorType=%d bEndpointAddress=%d "
1642 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1643 "bRefresh=%d bSynchAddress=%d\n",
1644 epdesc1->bLength, epdesc1->bDescriptorType,
1645 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1646 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1647 epdesc1->bRefresh, epdesc1->bSynchAddress));
1648 offs += epdesc1->bLength;
1649 if (offs > size)
1650 return USBD_INVAL;
1651 if (epdesc1->bSynchAddress != 0) {
1652 printf("%s: invalid endpoint: bSynchAddress=0\n",
1653 USBDEVNAME(sc->sc_dev));
1654 return USBD_INVAL;
1655 }
1656 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1657 printf("%s: invalid endpoint: bmAttributes=0x%x\n",
1658 USBDEVNAME(sc->sc_dev), epdesc1->bmAttributes);
1659 return USBD_INVAL;
1660 }
1661 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1662 printf("%s: invalid endpoint addresses: "
1663 "ep[0]->bSynchAddress=0x%x "
1664 "ep[1]->bEndpointAddress=0x%x\n",
1665 USBDEVNAME(sc->sc_dev), ed->bSynchAddress,
1666 epdesc1->bEndpointAddress);
1667 return USBD_INVAL;
1668 }
1669 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1670 }
1671
1672 format = UGETW(asid->wFormatTag);
1673 chan = asf1d->bNrChannels;
1674 prec = asf1d->bBitResolution;
1675 if (prec != 8 && prec != 16 && prec != 24) {
1676 printf("%s: ignored setting with precision %d\n",
1677 USBDEVNAME(sc->sc_dev), prec);
1678 return (USBD_NORMAL_COMPLETION);
1679 }
1680 switch (format) {
1681 case UA_FMT_PCM:
1682 if (prec == 8) {
1683 sc->sc_altflags |= HAS_8;
1684 } else if (prec == 16) {
1685 sc->sc_altflags |= HAS_16;
1686 } else if (prec == 24) {
1687 sc->sc_altflags |= HAS_24;
1688 }
1689 enc = AUDIO_ENCODING_SLINEAR_LE;
1690 format_str = "pcm";
1691 break;
1692 case UA_FMT_PCM8:
1693 enc = AUDIO_ENCODING_ULINEAR_LE;
1694 sc->sc_altflags |= HAS_8U;
1695 format_str = "pcm8";
1696 break;
1697 case UA_FMT_ALAW:
1698 enc = AUDIO_ENCODING_ALAW;
1699 sc->sc_altflags |= HAS_ALAW;
1700 format_str = "alaw";
1701 break;
1702 case UA_FMT_MULAW:
1703 enc = AUDIO_ENCODING_ULAW;
1704 sc->sc_altflags |= HAS_MULAW;
1705 format_str = "mulaw";
1706 break;
1707 case UA_FMT_IEEE_FLOAT:
1708 default:
1709 printf("%s: ignored setting with format %d\n",
1710 USBDEVNAME(sc->sc_dev), format);
1711 return (USBD_NORMAL_COMPLETION);
1712 }
1713 #ifdef UAUDIO_DEBUG
1714 printf("%s: %s: %dch, %d/%dbit, %s,", USBDEVNAME(sc->sc_dev),
1715 dir == UE_DIR_IN ? "recording" : "playback",
1716 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1717 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1718 printf(" %d-%dHz\n", UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d));
1719 } else {
1720 int r;
1721 printf(" %d", UA_GETSAMP(asf1d, 0));
1722 for (r = 1; r < asf1d->bSamFreqType; r++)
1723 printf(",%d", UA_GETSAMP(asf1d, r));
1724 printf("Hz\n");
1725 }
1726 #endif
1727 ai.alt = id->bAlternateSetting;
1728 ai.encoding = enc;
1729 ai.attributes = sed->bmAttributes;
1730 ai.idesc = id;
1731 ai.edesc = ed;
1732 ai.edesc1 = epdesc1;
1733 ai.asf1desc = asf1d;
1734 ai.sc_busy = 0;
1735 uaudio_add_alt(sc, &ai);
1736 #ifdef UAUDIO_DEBUG
1737 if (ai.attributes & UA_SED_FREQ_CONTROL)
1738 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1739 if (ai.attributes & UA_SED_PITCH_CONTROL)
1740 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1741 #endif
1742 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1743
1744 return (USBD_NORMAL_COMPLETION);
1745 }
1746 #undef offs
1747
1748 Static usbd_status
1749 uaudio_identify_as(struct uaudio_softc *sc,
1750 const usb_config_descriptor_t *cdesc)
1751 {
1752 const usb_interface_descriptor_t *id;
1753 const char *buf;
1754 int size, offs;
1755
1756 size = UGETW(cdesc->wTotalLength);
1757 buf = (const char *)cdesc;
1758
1759 /* Locate the AudioStreaming interface descriptor. */
1760 offs = 0;
1761 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1762 if (id == NULL)
1763 return (USBD_INVAL);
1764
1765 /* Loop through all the alternate settings. */
1766 while (offs <= size) {
1767 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1768 id->bInterfaceNumber, offs));
1769 switch (id->bNumEndpoints) {
1770 case 0:
1771 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1772 id->bAlternateSetting));
1773 sc->sc_nullalt = id->bAlternateSetting;
1774 break;
1775 case 1:
1776 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1777 case 2:
1778 #endif
1779 uaudio_process_as(sc, buf, &offs, size, id);
1780 break;
1781 default:
1782 printf("%s: ignored audio interface with %d "
1783 "endpoints\n",
1784 USBDEVNAME(sc->sc_dev), id->bNumEndpoints);
1785 break;
1786 }
1787 id = uaudio_find_iface(buf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1788 if (id == NULL)
1789 break;
1790 }
1791 if (offs > size)
1792 return (USBD_INVAL);
1793 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1794
1795 if (sc->sc_mode == 0) {
1796 printf("%s: no usable endpoint found\n",
1797 USBDEVNAME(sc->sc_dev));
1798 return (USBD_INVAL);
1799 }
1800
1801 return (USBD_NORMAL_COMPLETION);
1802 }
1803
1804 Static usbd_status
1805 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1806 {
1807 struct io_terminal* iot;
1808 const usb_interface_descriptor_t *id;
1809 const struct usb_audio_control_descriptor *acdp;
1810 const usb_descriptor_t *dp;
1811 const struct usb_audio_output_terminal *pot;
1812 struct terminal_list *tml;
1813 const char *buf, *ibuf, *ibufend;
1814 int size, offs, aclen, ndps, i, j;
1815
1816 size = UGETW(cdesc->wTotalLength);
1817 buf = (char *)cdesc;
1818
1819 /* Locate the AudioControl interface descriptor. */
1820 offs = 0;
1821 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1822 if (id == NULL)
1823 return (USBD_INVAL);
1824 if (offs + sizeof *acdp > size)
1825 return (USBD_INVAL);
1826 sc->sc_ac_iface = id->bInterfaceNumber;
1827 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1828
1829 /* A class-specific AC interface header should follow. */
1830 ibuf = buf + offs;
1831 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1832 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1833 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1834 return (USBD_INVAL);
1835 aclen = UGETW(acdp->wTotalLength);
1836 if (offs + aclen > size)
1837 return (USBD_INVAL);
1838
1839 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1840 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1841 return (USBD_INVAL);
1842
1843 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1844 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1845 sc->sc_audio_rev, aclen));
1846
1847 sc->sc_nullalt = -1;
1848
1849 /* Scan through all the AC specific descriptors */
1850 ibufend = ibuf + aclen;
1851 dp = (const usb_descriptor_t *)ibuf;
1852 ndps = 0;
1853 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1854 if (iot == NULL) {
1855 printf("%s: no memory\n", __func__);
1856 return USBD_NOMEM;
1857 }
1858 for (;;) {
1859 ibuf += dp->bLength;
1860 if (ibuf >= ibufend)
1861 break;
1862 dp = (const usb_descriptor_t *)ibuf;
1863 if (ibuf + dp->bLength > ibufend)
1864 return (USBD_INVAL);
1865 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1866 printf("uaudio_identify_ac: skip desc type=0x%02x\n",
1867 dp->bDescriptorType);
1868 continue;
1869 }
1870 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1871 iot[i].d.desc = dp;
1872 if (i > ndps)
1873 ndps = i;
1874 }
1875 ndps++;
1876
1877 /* construct io_terminal */
1878 for (i = 0; i < ndps; i++) {
1879 dp = iot[i].d.desc;
1880 if (dp == NULL)
1881 continue;
1882 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1883 continue;
1884 pot = iot[i].d.ot;
1885 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1886 if (tml != NULL)
1887 free(tml, M_TEMP);
1888 }
1889
1890 #ifdef UAUDIO_DEBUG
1891 for (i = 0; i < 256; i++) {
1892 struct usb_audio_cluster cluster;
1893
1894 if (iot[i].d.desc == NULL)
1895 continue;
1896 logprintf("id %d:\t", i);
1897 switch (iot[i].d.desc->bDescriptorSubtype) {
1898 case UDESCSUB_AC_INPUT:
1899 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1900 (UGETW(iot[i].d.it->wTerminalType)));
1901 logprintf("\t");
1902 cluster = uaudio_get_cluster(i, iot);
1903 uaudio_dump_cluster(&cluster);
1904 logprintf("\n");
1905 break;
1906 case UDESCSUB_AC_OUTPUT:
1907 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1908 (UGETW(iot[i].d.ot->wTerminalType)));
1909 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1910 break;
1911 case UDESCSUB_AC_MIXER:
1912 logprintf("AC_MIXER src=");
1913 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1914 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1915 logprintf("\n\t");
1916 cluster = uaudio_get_cluster(i, iot);
1917 uaudio_dump_cluster(&cluster);
1918 logprintf("\n");
1919 break;
1920 case UDESCSUB_AC_SELECTOR:
1921 logprintf("AC_SELECTOR src=");
1922 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1923 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1924 logprintf("\n");
1925 break;
1926 case UDESCSUB_AC_FEATURE:
1927 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1928 break;
1929 case UDESCSUB_AC_PROCESSING:
1930 logprintf("AC_PROCESSING src=");
1931 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1932 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1933 logprintf("\n\t");
1934 cluster = uaudio_get_cluster(i, iot);
1935 uaudio_dump_cluster(&cluster);
1936 logprintf("\n");
1937 break;
1938 case UDESCSUB_AC_EXTENSION:
1939 logprintf("AC_EXTENSION src=");
1940 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1941 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1942 logprintf("\n\t");
1943 cluster = uaudio_get_cluster(i, iot);
1944 uaudio_dump_cluster(&cluster);
1945 logprintf("\n");
1946 break;
1947 default:
1948 logprintf("unknown audio control (subtype=%d)\n",
1949 iot[i].d.desc->bDescriptorSubtype);
1950 }
1951 for (j = 0; j < iot[i].inputs_size; j++) {
1952 int k;
1953 logprintf("\tinput%d: ", j);
1954 tml = iot[i].inputs[j];
1955 if (tml == NULL) {
1956 logprintf("NULL\n");
1957 continue;
1958 }
1959 for (k = 0; k < tml->size; k++)
1960 logprintf("%s ", uaudio_get_terminal_name
1961 (tml->terminals[k]));
1962 logprintf("\n");
1963 }
1964 logprintf("\toutput: ");
1965 tml = iot[i].output;
1966 for (j = 0; j < tml->size; j++)
1967 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
1968 logprintf("\n");
1969 }
1970 #endif
1971
1972 for (i = 0; i < ndps; i++) {
1973 dp = iot[i].d.desc;
1974 if (dp == NULL)
1975 continue;
1976 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
1977 i, dp->bDescriptorSubtype));
1978 switch (dp->bDescriptorSubtype) {
1979 case UDESCSUB_AC_HEADER:
1980 printf("uaudio_identify_ac: unexpected AC header\n");
1981 break;
1982 case UDESCSUB_AC_INPUT:
1983 uaudio_add_input(sc, iot, i);
1984 break;
1985 case UDESCSUB_AC_OUTPUT:
1986 uaudio_add_output(sc, iot, i);
1987 break;
1988 case UDESCSUB_AC_MIXER:
1989 uaudio_add_mixer(sc, iot, i);
1990 break;
1991 case UDESCSUB_AC_SELECTOR:
1992 uaudio_add_selector(sc, iot, i);
1993 break;
1994 case UDESCSUB_AC_FEATURE:
1995 uaudio_add_feature(sc, iot, i);
1996 break;
1997 case UDESCSUB_AC_PROCESSING:
1998 uaudio_add_processing(sc, iot, i);
1999 break;
2000 case UDESCSUB_AC_EXTENSION:
2001 uaudio_add_extension(sc, iot, i);
2002 break;
2003 default:
2004 printf("uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2005 dp->bDescriptorSubtype);
2006 break;
2007 }
2008 }
2009
2010 /* delete io_terminal */
2011 for (i = 0; i < 256; i++) {
2012 if (iot[i].d.desc == NULL)
2013 continue;
2014 if (iot[i].inputs != NULL) {
2015 for (j = 0; j < iot[i].inputs_size; j++) {
2016 if (iot[i].inputs[j] != NULL)
2017 free(iot[i].inputs[j], M_TEMP);
2018 }
2019 free(iot[i].inputs, M_TEMP);
2020 }
2021 if (iot[i].output != NULL)
2022 free(iot[i].output, M_TEMP);
2023 iot[i].d.desc = NULL;
2024 }
2025 free(iot, M_TEMP);
2026
2027 return (USBD_NORMAL_COMPLETION);
2028 }
2029
2030 Static int
2031 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2032 {
2033 struct uaudio_softc *sc = addr;
2034 struct mixerctl *mc;
2035 int n, nctls, i;
2036
2037 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2038 if (sc->sc_dying)
2039 return (EIO);
2040
2041 n = mi->index;
2042 nctls = sc->sc_nctls;
2043
2044 switch (n) {
2045 case UAC_OUTPUT:
2046 mi->type = AUDIO_MIXER_CLASS;
2047 mi->mixer_class = UAC_OUTPUT;
2048 mi->next = mi->prev = AUDIO_MIXER_LAST;
2049 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2050 return (0);
2051 case UAC_INPUT:
2052 mi->type = AUDIO_MIXER_CLASS;
2053 mi->mixer_class = UAC_INPUT;
2054 mi->next = mi->prev = AUDIO_MIXER_LAST;
2055 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2056 return (0);
2057 case UAC_EQUAL:
2058 mi->type = AUDIO_MIXER_CLASS;
2059 mi->mixer_class = UAC_EQUAL;
2060 mi->next = mi->prev = AUDIO_MIXER_LAST;
2061 strlcpy(mi->label.name, AudioCequalization,
2062 sizeof(mi->label.name));
2063 return (0);
2064 case UAC_RECORD:
2065 mi->type = AUDIO_MIXER_CLASS;
2066 mi->mixer_class = UAC_RECORD;
2067 mi->next = mi->prev = AUDIO_MIXER_LAST;
2068 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2069 return 0;
2070 default:
2071 break;
2072 }
2073
2074 n -= UAC_NCLASSES;
2075 if (n < 0 || n >= nctls)
2076 return (ENXIO);
2077
2078 mc = &sc->sc_ctls[n];
2079 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2080 mi->mixer_class = mc->class;
2081 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2082 switch (mc->type) {
2083 case MIX_ON_OFF:
2084 mi->type = AUDIO_MIXER_ENUM;
2085 mi->un.e.num_mem = 2;
2086 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2087 sizeof(mi->un.e.member[0].label.name));
2088 mi->un.e.member[0].ord = 0;
2089 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2090 sizeof(mi->un.e.member[1].label.name));
2091 mi->un.e.member[1].ord = 1;
2092 break;
2093 case MIX_SELECTOR:
2094 mi->type = AUDIO_MIXER_ENUM;
2095 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2096 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2097 snprintf(mi->un.e.member[i].label.name,
2098 sizeof(mi->un.e.member[i].label.name),
2099 "%d", i + mc->minval);
2100 mi->un.e.member[i].ord = i + mc->minval;
2101 }
2102 break;
2103 default:
2104 mi->type = AUDIO_MIXER_VALUE;
2105 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2106 mi->un.v.num_channels = mc->nchan;
2107 mi->un.v.delta = mc->delta;
2108 break;
2109 }
2110 return (0);
2111 }
2112
2113 Static int
2114 uaudio_open(void *addr, int flags)
2115 {
2116 struct uaudio_softc *sc = addr;
2117
2118 DPRINTF(("uaudio_open: sc=%p\n", sc));
2119 if (sc->sc_dying)
2120 return (EIO);
2121
2122 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2123 return (EACCES);
2124 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2125 return (EACCES);
2126
2127 return (0);
2128 }
2129
2130 /*
2131 * Close function is called at splaudio().
2132 */
2133 Static void
2134 uaudio_close(void *addr)
2135 {
2136 }
2137
2138 Static int
2139 uaudio_drain(void *addr)
2140 {
2141 struct uaudio_softc *sc = addr;
2142
2143 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2144
2145 return (0);
2146 }
2147
2148 Static int
2149 uaudio_halt_out_dma(void *addr)
2150 {
2151 struct uaudio_softc *sc = addr;
2152
2153 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2154 if (sc->sc_playchan.pipe != NULL) {
2155 uaudio_chan_close(sc, &sc->sc_playchan);
2156 sc->sc_playchan.pipe = NULL;
2157 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2158 sc->sc_playchan.intr = NULL;
2159 }
2160 return (0);
2161 }
2162
2163 Static int
2164 uaudio_halt_in_dma(void *addr)
2165 {
2166 struct uaudio_softc *sc = addr;
2167
2168 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2169 if (sc->sc_recchan.pipe != NULL) {
2170 uaudio_chan_close(sc, &sc->sc_recchan);
2171 sc->sc_recchan.pipe = NULL;
2172 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2173 sc->sc_recchan.intr = NULL;
2174 }
2175 return (0);
2176 }
2177
2178 Static int
2179 uaudio_getdev(void *addr, struct audio_device *retp)
2180 {
2181 struct uaudio_softc *sc = addr;
2182
2183 DPRINTF(("uaudio_mixer_getdev:\n"));
2184 if (sc->sc_dying)
2185 return (EIO);
2186
2187 *retp = uaudio_device;
2188 return (0);
2189 }
2190
2191 /*
2192 * Make sure the block size is large enough to hold all outstanding transfers.
2193 */
2194 Static int
2195 uaudio_round_blocksize(void *addr, int blk)
2196 {
2197 struct uaudio_softc *sc = addr;
2198 int bpf;
2199
2200 DPRINTF(("uaudio_round_blocksize: p.bpf=%d r.bpf=%d\n",
2201 sc->sc_playchan.bytes_per_frame,
2202 sc->sc_recchan.bytes_per_frame));
2203 if (sc->sc_playchan.bytes_per_frame > sc->sc_recchan.bytes_per_frame) {
2204 bpf = sc->sc_playchan.bytes_per_frame
2205 + sc->sc_playchan.sample_size;
2206 } else {
2207 bpf = sc->sc_recchan.bytes_per_frame
2208 + sc->sc_recchan.sample_size;
2209 }
2210 /* XXX */
2211 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2212
2213 bpf = (bpf + 15) &~ 15;
2214
2215 if (blk < bpf)
2216 blk = bpf;
2217
2218 #ifdef DIAGNOSTIC
2219 if (blk <= 0) {
2220 printf("uaudio_round_blocksize: blk=%d\n", blk);
2221 blk = 512;
2222 }
2223 #endif
2224
2225 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk));
2226 return (blk);
2227 }
2228
2229 Static int
2230 uaudio_get_props(void *addr)
2231 {
2232 return (AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT);
2233
2234 }
2235
2236 Static int
2237 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2238 int wIndex, int len)
2239 {
2240 usb_device_request_t req;
2241 u_int8_t data[4];
2242 usbd_status err;
2243 int val;
2244
2245 if (wValue == -1)
2246 return (0);
2247
2248 req.bmRequestType = type;
2249 req.bRequest = which;
2250 USETW(req.wValue, wValue);
2251 USETW(req.wIndex, wIndex);
2252 USETW(req.wLength, len);
2253 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2254 "wIndex=0x%04x len=%d\n",
2255 type, which, wValue, wIndex, len));
2256 err = usbd_do_request(sc->sc_udev, &req, data);
2257 if (err) {
2258 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2259 return (-1);
2260 }
2261 switch (len) {
2262 case 1:
2263 val = data[0];
2264 break;
2265 case 2:
2266 val = data[0] | (data[1] << 8);
2267 break;
2268 default:
2269 DPRINTF(("uaudio_get: bad length=%d\n", len));
2270 return (-1);
2271 }
2272 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2273 return (val);
2274 }
2275
2276 Static void
2277 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2278 int wIndex, int len, int val)
2279 {
2280 usb_device_request_t req;
2281 u_int8_t data[4];
2282 usbd_status err;
2283
2284 if (wValue == -1)
2285 return;
2286
2287 req.bmRequestType = type;
2288 req.bRequest = which;
2289 USETW(req.wValue, wValue);
2290 USETW(req.wIndex, wIndex);
2291 USETW(req.wLength, len);
2292 switch (len) {
2293 case 1:
2294 data[0] = val;
2295 break;
2296 case 2:
2297 data[0] = val;
2298 data[1] = val >> 8;
2299 break;
2300 default:
2301 return;
2302 }
2303 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2304 "wIndex=0x%04x len=%d, val=%d\n",
2305 type, which, wValue, wIndex, len, val & 0xffff));
2306 err = usbd_do_request(sc->sc_udev, &req, data);
2307 #ifdef UAUDIO_DEBUG
2308 if (err)
2309 DPRINTF(("uaudio_set: err=%d\n", err));
2310 #endif
2311 }
2312
2313 Static int
2314 uaudio_signext(int type, int val)
2315 {
2316 if (!MIX_UNSIGNED(type)) {
2317 if (MIX_SIZE(type) == 2)
2318 val = (int16_t)val;
2319 else
2320 val = (int8_t)val;
2321 }
2322 return (val);
2323 }
2324
2325 Static int
2326 uaudio_value2bsd(struct mixerctl *mc, int val)
2327 {
2328 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2329 mc->type, val, mc->minval, mc->maxval));
2330 if (mc->type == MIX_ON_OFF) {
2331 val = (val != 0);
2332 } else if (mc->type == MIX_SELECTOR) {
2333 if (val < mc->minval || val > mc->maxval)
2334 val = mc->minval;
2335 } else
2336 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2337 + mc->mul/2) / mc->mul;
2338 DPRINTFN(5, ("val'=%d\n", val));
2339 return (val);
2340 }
2341
2342 int
2343 uaudio_bsd2value(struct mixerctl *mc, int val)
2344 {
2345 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2346 mc->type, val, mc->minval, mc->maxval));
2347 if (mc->type == MIX_ON_OFF) {
2348 val = (val != 0);
2349 } else if (mc->type == MIX_SELECTOR) {
2350 if (val < mc->minval || val > mc->maxval)
2351 val = mc->minval;
2352 } else
2353 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2354 DPRINTFN(5, ("val'=%d\n", val));
2355 return (val);
2356 }
2357
2358 Static int
2359 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2360 int chan)
2361 {
2362 int val;
2363
2364 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2365 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2366 mc->wIndex, MIX_SIZE(mc->type));
2367 return (uaudio_value2bsd(mc, val));
2368 }
2369
2370 Static void
2371 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2372 int chan, int val)
2373 {
2374 val = uaudio_bsd2value(mc, val);
2375 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2376 mc->wIndex, MIX_SIZE(mc->type), val);
2377 }
2378
2379 Static int
2380 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2381 {
2382 struct uaudio_softc *sc = addr;
2383 struct mixerctl *mc;
2384 int i, n, vals[MIX_MAX_CHAN], val;
2385
2386 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2387
2388 if (sc->sc_dying)
2389 return (EIO);
2390
2391 n = cp->dev - UAC_NCLASSES;
2392 if (n < 0 || n >= sc->sc_nctls)
2393 return (ENXIO);
2394 mc = &sc->sc_ctls[n];
2395
2396 if (mc->type == MIX_ON_OFF) {
2397 if (cp->type != AUDIO_MIXER_ENUM)
2398 return (EINVAL);
2399 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2400 } else if (mc->type == MIX_SELECTOR) {
2401 if (cp->type != AUDIO_MIXER_ENUM)
2402 return (EINVAL);
2403 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2404 } else {
2405 if (cp->type != AUDIO_MIXER_VALUE)
2406 return (EINVAL);
2407 if (cp->un.value.num_channels != 1 &&
2408 cp->un.value.num_channels != mc->nchan)
2409 return (EINVAL);
2410 for (i = 0; i < mc->nchan; i++)
2411 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2412 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2413 for (val = 0, i = 0; i < mc->nchan; i++)
2414 val += vals[i];
2415 vals[0] = val / mc->nchan;
2416 }
2417 for (i = 0; i < cp->un.value.num_channels; i++)
2418 cp->un.value.level[i] = vals[i];
2419 }
2420
2421 return (0);
2422 }
2423
2424 Static int
2425 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2426 {
2427 struct uaudio_softc *sc = addr;
2428 struct mixerctl *mc;
2429 int i, n, vals[MIX_MAX_CHAN];
2430
2431 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2432 if (sc->sc_dying)
2433 return (EIO);
2434
2435 n = cp->dev - UAC_NCLASSES;
2436 if (n < 0 || n >= sc->sc_nctls)
2437 return (ENXIO);
2438 mc = &sc->sc_ctls[n];
2439
2440 if (mc->type == MIX_ON_OFF) {
2441 if (cp->type != AUDIO_MIXER_ENUM)
2442 return (EINVAL);
2443 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2444 } else if (mc->type == MIX_SELECTOR) {
2445 if (cp->type != AUDIO_MIXER_ENUM)
2446 return (EINVAL);
2447 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2448 } else {
2449 if (cp->type != AUDIO_MIXER_VALUE)
2450 return (EINVAL);
2451 if (cp->un.value.num_channels == 1)
2452 for (i = 0; i < mc->nchan; i++)
2453 vals[i] = cp->un.value.level[0];
2454 else if (cp->un.value.num_channels == mc->nchan)
2455 for (i = 0; i < mc->nchan; i++)
2456 vals[i] = cp->un.value.level[i];
2457 else
2458 return (EINVAL);
2459 for (i = 0; i < mc->nchan; i++)
2460 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2461 }
2462 return (0);
2463 }
2464
2465 Static int
2466 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2467 void (*intr)(void *), void *arg,
2468 struct audio_params *param)
2469 {
2470 struct uaudio_softc *sc = addr;
2471 struct chan *ch = &sc->sc_recchan;
2472 usbd_status err;
2473 int i, s;
2474
2475 if (sc->sc_dying)
2476 return (EIO);
2477
2478 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2479 "blksize=%d\n", sc, start, end, blksize));
2480
2481 uaudio_chan_set_param(ch, start, end, blksize);
2482 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2483 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2484 ch->fraction));
2485
2486 err = uaudio_chan_alloc_buffers(sc, ch);
2487 if (err)
2488 return (EIO);
2489
2490 err = uaudio_chan_open(sc, ch);
2491 if (err) {
2492 uaudio_chan_free_buffers(sc, ch);
2493 return (EIO);
2494 }
2495
2496 ch->intr = intr;
2497 ch->arg = arg;
2498
2499 s = splusb();
2500 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2501 uaudio_chan_rtransfer(ch);
2502 splx(s);
2503
2504 return (0);
2505 }
2506
2507 Static int
2508 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2509 void (*intr)(void *), void *arg,
2510 struct audio_params *param)
2511 {
2512 struct uaudio_softc *sc = addr;
2513 struct chan *ch = &sc->sc_playchan;
2514 usbd_status err;
2515 int i, s;
2516
2517 if (sc->sc_dying)
2518 return (EIO);
2519
2520 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2521 "blksize=%d\n", sc, start, end, blksize));
2522
2523 uaudio_chan_set_param(ch, start, end, blksize);
2524 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2525 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2526 ch->fraction));
2527
2528 err = uaudio_chan_alloc_buffers(sc, ch);
2529 if (err)
2530 return (EIO);
2531
2532 err = uaudio_chan_open(sc, ch);
2533 if (err) {
2534 uaudio_chan_free_buffers(sc, ch);
2535 return (EIO);
2536 }
2537
2538 ch->intr = intr;
2539 ch->arg = arg;
2540
2541 s = splusb();
2542 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2543 uaudio_chan_ptransfer(ch);
2544 splx(s);
2545
2546 return (0);
2547 }
2548
2549 /* Set up a pipe for a channel. */
2550 Static usbd_status
2551 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2552 {
2553 struct as_info *as = &sc->sc_alts[ch->altidx];
2554 int endpt = as->edesc->bEndpointAddress;
2555 usbd_status err;
2556
2557 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2558 endpt, ch->sample_rate, as->alt));
2559
2560 /* Set alternate interface corresponding to the mode. */
2561 err = usbd_set_interface(as->ifaceh, as->alt);
2562 if (err)
2563 return (err);
2564
2565 /*
2566 * If just one sampling rate is supported,
2567 * no need to call uaudio_set_speed().
2568 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2569 */
2570 if (as->asf1desc->bSamFreqType != 1) {
2571 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2572 if (err)
2573 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2574 usbd_errstr(err)));
2575 }
2576
2577 ch->pipe = 0;
2578 ch->sync_pipe = 0;
2579 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2580 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2581 if (err)
2582 return err;
2583 if (as->edesc1 != NULL) {
2584 endpt = as->edesc1->bEndpointAddress;
2585 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2586 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2587 }
2588 return err;
2589 }
2590
2591 Static void
2592 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2593 {
2594 struct as_info *as = &sc->sc_alts[ch->altidx];
2595
2596 as->sc_busy = 0;
2597 if (sc->sc_nullalt >= 0) {
2598 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2599 sc->sc_nullalt));
2600 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2601 }
2602 if (ch->pipe) {
2603 usbd_abort_pipe(ch->pipe);
2604 usbd_close_pipe(ch->pipe);
2605 }
2606 if (ch->sync_pipe) {
2607 usbd_abort_pipe(ch->sync_pipe);
2608 usbd_close_pipe(ch->sync_pipe);
2609 }
2610 }
2611
2612 Static usbd_status
2613 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2614 {
2615 usbd_xfer_handle xfer;
2616 void *buf;
2617 int i, size;
2618
2619 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2620 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2621 xfer = usbd_alloc_xfer(sc->sc_udev);
2622 if (xfer == 0)
2623 goto bad;
2624 ch->chanbufs[i].xfer = xfer;
2625 buf = usbd_alloc_buffer(xfer, size);
2626 if (buf == 0) {
2627 i++;
2628 goto bad;
2629 }
2630 ch->chanbufs[i].buffer = buf;
2631 ch->chanbufs[i].chan = ch;
2632 }
2633
2634 return (USBD_NORMAL_COMPLETION);
2635
2636 bad:
2637 while (--i >= 0)
2638 /* implicit buffer free */
2639 usbd_free_xfer(ch->chanbufs[i].xfer);
2640 return (USBD_NOMEM);
2641 }
2642
2643 Static void
2644 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2645 {
2646 int i;
2647
2648 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2649 usbd_free_xfer(ch->chanbufs[i].xfer);
2650 }
2651
2652 /* Called at splusb() */
2653 Static void
2654 uaudio_chan_ptransfer(struct chan *ch)
2655 {
2656 struct chanbuf *cb;
2657 int i, n, size, residue, total;
2658
2659 if (ch->sc->sc_dying)
2660 return;
2661
2662 /* Pick the next channel buffer. */
2663 cb = &ch->chanbufs[ch->curchanbuf];
2664 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2665 ch->curchanbuf = 0;
2666
2667 /* Compute the size of each frame in the next transfer. */
2668 residue = ch->residue;
2669 total = 0;
2670 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2671 size = ch->bytes_per_frame;
2672 residue += ch->fraction;
2673 if (residue >= USB_FRAMES_PER_SECOND) {
2674 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2675 size += ch->sample_size;
2676 residue -= USB_FRAMES_PER_SECOND;
2677 }
2678 cb->sizes[i] = size;
2679 total += size;
2680 }
2681 ch->residue = residue;
2682 cb->size = total;
2683
2684 /*
2685 * Transfer data from upper layer buffer to channel buffer, taking
2686 * care of wrapping the upper layer buffer.
2687 */
2688 n = min(total, ch->end - ch->cur);
2689 memcpy(cb->buffer, ch->cur, n);
2690 ch->cur += n;
2691 if (ch->cur >= ch->end)
2692 ch->cur = ch->start;
2693 if (total > n) {
2694 total -= n;
2695 memcpy(cb->buffer + n, ch->cur, total);
2696 ch->cur += total;
2697 }
2698
2699 #ifdef UAUDIO_DEBUG
2700 if (uaudiodebug > 8) {
2701 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2702 cb->buffer, ch->residue));
2703 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2704 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2705 }
2706 }
2707 #endif
2708
2709 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2710 /* Fill the request */
2711 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2712 UAUDIO_NFRAMES, USBD_NO_COPY,
2713 uaudio_chan_pintr);
2714
2715 (void)usbd_transfer(cb->xfer);
2716 }
2717
2718 Static void
2719 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2720 usbd_status status)
2721 {
2722 struct chanbuf *cb = priv;
2723 struct chan *ch = cb->chan;
2724 u_int32_t count;
2725 int s;
2726
2727 /* Return if we are aborting. */
2728 if (status == USBD_CANCELLED)
2729 return;
2730
2731 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2732 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2733 count, ch->transferred));
2734 #ifdef DIAGNOSTIC
2735 if (count != cb->size) {
2736 printf("uaudio_chan_pintr: count(%d) != size(%d)\n",
2737 count, cb->size);
2738 }
2739 #endif
2740
2741 ch->transferred += cb->size;
2742 s = splaudio();
2743 /* Call back to upper layer */
2744 while (ch->transferred >= ch->blksize) {
2745 ch->transferred -= ch->blksize;
2746 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2747 ch->intr, ch->arg));
2748 ch->intr(ch->arg);
2749 }
2750 splx(s);
2751
2752 /* start next transfer */
2753 uaudio_chan_ptransfer(ch);
2754 }
2755
2756 /* Called at splusb() */
2757 Static void
2758 uaudio_chan_rtransfer(struct chan *ch)
2759 {
2760 struct chanbuf *cb;
2761 int i, size, residue, total;
2762
2763 if (ch->sc->sc_dying)
2764 return;
2765
2766 /* Pick the next channel buffer. */
2767 cb = &ch->chanbufs[ch->curchanbuf];
2768 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2769 ch->curchanbuf = 0;
2770
2771 /* Compute the size of each frame in the next transfer. */
2772 residue = ch->residue;
2773 total = 0;
2774 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2775 size = ch->bytes_per_frame;
2776 cb->sizes[i] = size;
2777 cb->offsets[i] = total;
2778 total += size;
2779 }
2780 ch->residue = residue;
2781 cb->size = total;
2782
2783 #ifdef UAUDIO_DEBUG
2784 if (uaudiodebug > 8) {
2785 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2786 cb->buffer, ch->residue));
2787 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2788 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2789 }
2790 }
2791 #endif
2792
2793 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2794 /* Fill the request */
2795 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2796 UAUDIO_NFRAMES, USBD_NO_COPY,
2797 uaudio_chan_rintr);
2798
2799 (void)usbd_transfer(cb->xfer);
2800 }
2801
2802 Static void
2803 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2804 usbd_status status)
2805 {
2806 struct chanbuf *cb = priv;
2807 struct chan *ch = cb->chan;
2808 u_int32_t count;
2809 int s, i, n, frsize;
2810
2811 /* Return if we are aborting. */
2812 if (status == USBD_CANCELLED)
2813 return;
2814
2815 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2816 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2817 count, ch->transferred));
2818
2819 /* count < cb->size is normal for asynchronous source */
2820 #ifdef DIAGNOSTIC
2821 if (count > cb->size) {
2822 printf("uaudio_chan_rintr: count(%d) > size(%d)\n",
2823 count, cb->size);
2824 }
2825 #endif
2826
2827 /*
2828 * Transfer data from channel buffer to upper layer buffer, taking
2829 * care of wrapping the upper layer buffer.
2830 */
2831 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2832 frsize = cb->sizes[i];
2833 n = min(frsize, ch->end - ch->cur);
2834 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2835 ch->cur += n;
2836 if (ch->cur >= ch->end)
2837 ch->cur = ch->start;
2838 if (frsize > n) {
2839 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2840 frsize - n);
2841 ch->cur += frsize - n;
2842 }
2843 }
2844
2845 /* Call back to upper layer */
2846 ch->transferred += count;
2847 s = splaudio();
2848 while (ch->transferred >= ch->blksize) {
2849 ch->transferred -= ch->blksize;
2850 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2851 ch->intr, ch->arg));
2852 ch->intr(ch->arg);
2853 }
2854 splx(s);
2855
2856 /* start next transfer */
2857 uaudio_chan_rtransfer(ch);
2858 }
2859
2860 Static void
2861 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2862 int maxpktsize)
2863 {
2864 int samples_per_frame, sample_size;
2865
2866 ch->altidx = altidx;
2867 sample_size = param->precision * param->factor * param->hw_channels / 8;
2868 samples_per_frame = param->hw_sample_rate / USB_FRAMES_PER_SECOND;
2869 ch->sample_size = sample_size;
2870 ch->sample_rate = param->hw_sample_rate;
2871 if (maxpktsize == 0) {
2872 ch->fraction = param->hw_sample_rate % USB_FRAMES_PER_SECOND;
2873 ch->bytes_per_frame = samples_per_frame * sample_size;
2874 } else {
2875 ch->fraction = 0;
2876 ch->bytes_per_frame = maxpktsize;
2877 }
2878 ch->residue = 0;
2879 }
2880
2881 Static void
2882 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2883 {
2884 ch->start = start;
2885 ch->end = end;
2886 ch->cur = start;
2887 ch->blksize = blksize;
2888 ch->transferred = 0;
2889
2890 ch->curchanbuf = 0;
2891 }
2892
2893 Static void
2894 uaudio_get_minmax_rates(int nalts, const struct as_info *alts,
2895 const struct audio_params *p, int mode,
2896 u_long *min, u_long *max)
2897 {
2898 const struct usb_audio_streaming_type1_descriptor *a1d;
2899 int i, j;
2900
2901 *min = ULONG_MAX;
2902 *max = 0;
2903 for (i = 0; i < nalts; i++) {
2904 a1d = alts[i].asf1desc;
2905 if (alts[i].sc_busy)
2906 continue;
2907 if (p->hw_channels != a1d->bNrChannels)
2908 continue;
2909 if (p->hw_precision != a1d->bBitResolution)
2910 continue;
2911 if (p->hw_encoding != alts[i].encoding)
2912 continue;
2913 if (mode != UE_GET_DIR(alts[i].edesc->bEndpointAddress))
2914 continue;
2915 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
2916 DPRINTFN(2,("uaudio_get_minmax_rates: cont %d-%d\n",
2917 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d)));
2918 if (UA_SAMP_LO(a1d) < *min)
2919 *min = UA_SAMP_LO(a1d);
2920 if (UA_SAMP_HI(a1d) > *max)
2921 *max = UA_SAMP_HI(a1d);
2922 } else {
2923 for (j = 0; j < a1d->bSamFreqType; j++) {
2924 DPRINTFN(2,("uaudio_get_minmax_rates: disc #%d: %d\n",
2925 j, UA_GETSAMP(a1d, j)));
2926 if (UA_GETSAMP(a1d, j) < *min)
2927 *min = UA_GETSAMP(a1d, j);
2928 if (UA_GETSAMP(a1d, j) > *max)
2929 *max = UA_GETSAMP(a1d, j);
2930 }
2931 }
2932 }
2933 }
2934
2935 Static int
2936 uaudio_match_alt_sub(int nalts, const struct as_info *alts,
2937 const struct audio_params *p, int mode, u_long rate)
2938 {
2939 const struct usb_audio_streaming_type1_descriptor *a1d;
2940 int i, j;
2941
2942 DPRINTF(("uaudio_match_alt_sub: search for %luHz %dch\n",
2943 rate, p->hw_channels));
2944 for (i = 0; i < nalts; i++) {
2945 a1d = alts[i].asf1desc;
2946 if (alts[i].sc_busy)
2947 continue;
2948 if (p->hw_channels != a1d->bNrChannels)
2949 continue;
2950 if (p->hw_precision != a1d->bBitResolution)
2951 continue;
2952 if (p->hw_encoding != alts[i].encoding)
2953 continue;
2954 if (mode != UE_GET_DIR(alts[i].edesc->bEndpointAddress))
2955 continue;
2956 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
2957 DPRINTFN(3,("uaudio_match_alt_sub: cont %d-%d\n",
2958 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d)));
2959 if (UA_SAMP_LO(a1d) <= rate && rate <= UA_SAMP_HI(a1d))
2960 return i;
2961 } else {
2962 for (j = 0; j < a1d->bSamFreqType; j++) {
2963 DPRINTFN(3,("uaudio_match_alt_sub: disc #%d: %d\n",
2964 j, UA_GETSAMP(a1d, j)));
2965 /* XXX allow for some slack */
2966 if (UA_GETSAMP(a1d, j) == rate)
2967 return i;
2968 }
2969 }
2970 }
2971 return -1;
2972 }
2973
2974 Static int
2975 uaudio_match_alt_chan(int nalts, const struct as_info *alts,
2976 struct audio_params *p, int mode)
2977 {
2978 int i, n;
2979 u_long min, max;
2980 u_long rate;
2981
2982 /* Exact match */
2983 DPRINTF(("uaudio_match_alt_chan: examine %ldHz %dch %dbit.\n",
2984 p->sample_rate, p->hw_channels, p->hw_precision));
2985 i = uaudio_match_alt_sub(nalts, alts, p, mode, p->sample_rate);
2986 if (i >= 0)
2987 return i;
2988
2989 uaudio_get_minmax_rates(nalts, alts, p, mode, &min, &max);
2990 DPRINTF(("uaudio_match_alt_chan: min=%lu max=%lu\n", min, max));
2991 if (max <= 0)
2992 return -1;
2993 /* Search for biggers */
2994 n = 2;
2995 while ((rate = p->sample_rate * n++) <= max) {
2996 i = uaudio_match_alt_sub(nalts, alts, p, mode, rate);
2997 if (i >= 0) {
2998 p->hw_sample_rate = rate;
2999 return i;
3000 }
3001 }
3002 if (p->sample_rate >= min) {
3003 i = uaudio_match_alt_sub(nalts, alts, p, mode, max);
3004 if (i >= 0) {
3005 p->hw_sample_rate = max;
3006 return i;
3007 }
3008 } else {
3009 i = uaudio_match_alt_sub(nalts, alts, p, mode, min);
3010 if (i >= 0) {
3011 p->hw_sample_rate = min;
3012 return i;
3013 }
3014 }
3015 return -1;
3016 }
3017
3018 Static int
3019 uaudio_match_alt(int nalts, const struct as_info *alts,
3020 struct audio_params *p, int mode)
3021 {
3022 int i, n;
3023
3024 mode = mode == AUMODE_PLAY ? UE_DIR_OUT : UE_DIR_IN;
3025 i = uaudio_match_alt_chan(nalts, alts, p, mode);
3026 if (i >= 0)
3027 return i;
3028
3029 for (n = p->channels + 1; n <= AUDIO_MAX_CHANNELS; n++) {
3030 p->hw_channels = n;
3031 i = uaudio_match_alt_chan(nalts, alts, p, mode);
3032 if (i >= 0)
3033 return i;
3034 }
3035
3036 if (p->channels != 2)
3037 return -1;
3038 p->hw_channels = 1;
3039 return uaudio_match_alt_chan(nalts, alts, p, mode);
3040 }
3041
3042 Static int
3043 uaudio_set_params(void *addr, int setmode, int usemode,
3044 struct audio_params *play, struct audio_params *rec)
3045 {
3046 struct uaudio_softc *sc = addr;
3047 int flags = sc->sc_altflags;
3048 int factor;
3049 int enc, i;
3050 int paltidx=-1, raltidx=-1;
3051 void (*swcode)(void *, u_char *buf, int cnt);
3052 struct audio_params *p;
3053 int mode;
3054
3055 if (sc->sc_dying)
3056 return (EIO);
3057
3058 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
3059 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
3060 return (EBUSY);
3061
3062 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1)
3063 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
3064 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1)
3065 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
3066
3067 /* Some uaudio devices are unidirectional. Don't try to find a
3068 matching mode for the unsupported direction. */
3069 setmode &= sc->sc_mode;
3070
3071 for (mode = AUMODE_RECORD; mode != -1;
3072 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
3073 if ((setmode & mode) == 0)
3074 continue;
3075
3076 p = (mode == AUMODE_PLAY) ? play : rec;
3077
3078 factor = 1;
3079 swcode = 0;
3080 enc = p->encoding;
3081 switch (enc) {
3082 case AUDIO_ENCODING_SLINEAR_BE:
3083 /* FALLTHROUGH */
3084 case AUDIO_ENCODING_SLINEAR_LE:
3085 if (enc == AUDIO_ENCODING_SLINEAR_BE
3086 && p->precision == 16 && (flags & HAS_16)) {
3087 swcode = swap_bytes;
3088 enc = AUDIO_ENCODING_SLINEAR_LE;
3089 } else if (p->precision == 8) {
3090 if (flags & HAS_8) {
3091 /* No conversion */
3092 } else if (flags & HAS_8U) {
3093 swcode = change_sign8;
3094 enc = AUDIO_ENCODING_ULINEAR_LE;
3095 } else if (flags & HAS_16) {
3096 factor = 2;
3097 p->hw_precision = 16;
3098 if (mode == AUMODE_PLAY)
3099 swcode = linear8_to_linear16_le;
3100 else
3101 swcode = linear16_to_linear8_le;
3102 }
3103 }
3104 break;
3105 case AUDIO_ENCODING_ULINEAR_BE:
3106 /* FALLTHROUGH */
3107 case AUDIO_ENCODING_ULINEAR_LE:
3108 if (p->precision == 16) {
3109 if (enc == AUDIO_ENCODING_ULINEAR_LE)
3110 swcode = change_sign16_le;
3111 else if (mode == AUMODE_PLAY)
3112 swcode = swap_bytes_change_sign16_le;
3113 else
3114 swcode = change_sign16_swap_bytes_le;
3115 enc = AUDIO_ENCODING_SLINEAR_LE;
3116 } else if (p->precision == 8) {
3117 if (flags & HAS_8U) {
3118 /* No conversion */
3119 } else if (flags & HAS_8) {
3120 swcode = change_sign8;
3121 enc = AUDIO_ENCODING_SLINEAR_LE;
3122 } else if (flags & HAS_16) {
3123 factor = 2;
3124 p->hw_precision = 16;
3125 enc = AUDIO_ENCODING_SLINEAR_LE;
3126 if (mode == AUMODE_PLAY)
3127 swcode = ulinear8_to_slinear16_le;
3128 else
3129 swcode = slinear16_to_ulinear8_le;
3130 }
3131 }
3132 break;
3133 case AUDIO_ENCODING_ULAW:
3134 if (flags & HAS_MULAW)
3135 break;
3136 if (flags & HAS_16) {
3137 if (mode == AUMODE_PLAY)
3138 swcode = mulaw_to_slinear16_le;
3139 else
3140 swcode = slinear16_to_mulaw_le;
3141 factor = 2;
3142 enc = AUDIO_ENCODING_SLINEAR_LE;
3143 p->hw_precision = 16;
3144 } else if (flags & HAS_8U) {
3145 if (mode == AUMODE_PLAY)
3146 swcode = mulaw_to_ulinear8;
3147 else
3148 swcode = ulinear8_to_mulaw;
3149 enc = AUDIO_ENCODING_ULINEAR_LE;
3150 } else if (flags & HAS_8) {
3151 if (mode == AUMODE_PLAY)
3152 swcode = mulaw_to_slinear8;
3153 else
3154 swcode = slinear8_to_mulaw;
3155 enc = AUDIO_ENCODING_SLINEAR_LE;
3156 } else
3157 return (EINVAL);
3158 break;
3159 case AUDIO_ENCODING_ALAW:
3160 if (flags & HAS_ALAW)
3161 break;
3162 if (mode == AUMODE_PLAY && (flags & HAS_16)) {
3163 swcode = alaw_to_slinear16_le;
3164 factor = 2;
3165 enc = AUDIO_ENCODING_SLINEAR_LE;
3166 p->hw_precision = 16;
3167 } else if (flags & HAS_8U) {
3168 if (mode == AUMODE_PLAY)
3169 swcode = alaw_to_ulinear8;
3170 else
3171 swcode = ulinear8_to_alaw;
3172 enc = AUDIO_ENCODING_ULINEAR_LE;
3173 } else if (flags & HAS_8) {
3174 if (mode == AUMODE_PLAY)
3175 swcode = alaw_to_slinear8;
3176 else
3177 swcode = slinear8_to_alaw;
3178 enc = AUDIO_ENCODING_SLINEAR_LE;
3179 } else
3180 return (EINVAL);
3181 break;
3182 default:
3183 return (EINVAL);
3184 }
3185 /* XXX do some other conversions... */
3186
3187 DPRINTF(("uaudio_set_params: chan=%d prec=%d enc=%d rate=%ld\n",
3188 p->channels, p->hw_precision, enc, p->sample_rate));
3189
3190 p->hw_encoding = enc;
3191 i = uaudio_match_alt(sc->sc_nalts, sc->sc_alts, p, mode);
3192 if (i < 0)
3193 return (EINVAL);
3194
3195 p->sw_code = swcode;
3196 p->factor = factor;
3197
3198 if (mode == AUMODE_PLAY)
3199 paltidx = i;
3200 else
3201 raltidx = i;
3202 }
3203
3204 if ((setmode & AUMODE_PLAY)) {
3205 /* XXX abort transfer if currently happening? */
3206 uaudio_chan_init(&sc->sc_playchan, paltidx, play, 0);
3207 }
3208 if ((setmode & AUMODE_RECORD)) {
3209 /* XXX abort transfer if currently happening? */
3210 uaudio_chan_init(&sc->sc_recchan, raltidx, rec,
3211 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3212 }
3213
3214 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1)
3215 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3216 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1)
3217 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3218
3219 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3220 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3221 (sc->sc_playchan.altidx >= 0)
3222 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3223 : -1,
3224 (sc->sc_recchan.altidx >= 0)
3225 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3226 : -1));
3227
3228 return (0);
3229 }
3230
3231 Static usbd_status
3232 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3233 {
3234 usb_device_request_t req;
3235 u_int8_t data[3];
3236
3237 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3238 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3239 req.bRequest = SET_CUR;
3240 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3241 USETW(req.wIndex, endpt);
3242 USETW(req.wLength, 3);
3243 data[0] = speed;
3244 data[1] = speed >> 8;
3245 data[2] = speed >> 16;
3246
3247 return (usbd_do_request(sc->sc_udev, &req, data));
3248 }
3249