uaudio.c revision 1.119 1 /* $NetBSD: uaudio.c,v 1.119 2010/12/24 20:49:55 jmcneill 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * USB audio specs: http://www.usb.org/developers/devclass_docs/audio10.pdf
35 * http://www.usb.org/developers/devclass_docs/frmts10.pdf
36 * http://www.usb.org/developers/devclass_docs/termt10.pdf
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.119 2010/12/24 20:49:55 jmcneill Exp $");
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/malloc.h>
46 #include <sys/device.h>
47 #include <sys/ioctl.h>
48 #include <sys/file.h>
49 #include <sys/reboot.h> /* for bootverbose */
50 #include <sys/select.h>
51 #include <sys/proc.h>
52 #include <sys/vnode.h>
53 #include <sys/poll.h>
54 #include <sys/module.h>
55 #include <sys/bus.h>
56
57 #include <sys/audioio.h>
58 #include <dev/audio_if.h>
59 #include <dev/audiovar.h>
60 #include <dev/mulaw.h>
61 #include <dev/auconv.h>
62
63 #include <dev/usb/usb.h>
64 #include <dev/usb/usbdi.h>
65 #include <dev/usb/usbdivar.h>
66 #include <dev/usb/usbdi_util.h>
67 #include <dev/usb/usb_quirks.h>
68
69 #include <dev/usb/uaudioreg.h>
70
71 /* #define UAUDIO_DEBUG */
72 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
73 #ifdef UAUDIO_DEBUG
74 #define DPRINTF(x) do { if (uaudiodebug) printf x; } while (0)
75 #define DPRINTFN(n,x) do { if (uaudiodebug>(n)) printf x; } while (0)
76 int uaudiodebug = 0;
77 #else
78 #define DPRINTF(x)
79 #define DPRINTFN(n,x)
80 #endif
81
82 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
83 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
84
85
86 #define MIX_MAX_CHAN 8
87 struct mixerctl {
88 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
89 uint16_t wIndex;
90 uint8_t nchan;
91 uint8_t type;
92 #define MIX_ON_OFF 1
93 #define MIX_SIGNED_16 2
94 #define MIX_UNSIGNED_16 3
95 #define MIX_SIGNED_8 4
96 #define MIX_SELECTOR 5
97 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
98 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
99 int minval, maxval;
100 u_int delta;
101 u_int mul;
102 uint8_t class;
103 char ctlname[MAX_AUDIO_DEV_LEN];
104 const char *ctlunit;
105 };
106 #define MAKE(h,l) (((h) << 8) | (l))
107
108 struct as_info {
109 uint8_t alt;
110 uint8_t encoding;
111 uint8_t attributes; /* Copy of bmAttributes of
112 * usb_audio_streaming_endpoint_descriptor
113 */
114 usbd_interface_handle ifaceh;
115 const usb_interface_descriptor_t *idesc;
116 const usb_endpoint_descriptor_audio_t *edesc;
117 const usb_endpoint_descriptor_audio_t *edesc1;
118 const struct usb_audio_streaming_type1_descriptor *asf1desc;
119 struct audio_format *aformat;
120 int sc_busy; /* currently used */
121 };
122
123 struct chan {
124 void (*intr)(void *); /* DMA completion intr handler */
125 void *arg; /* arg for intr() */
126 usbd_pipe_handle pipe;
127 usbd_pipe_handle sync_pipe;
128
129 u_int sample_size;
130 u_int sample_rate;
131 u_int bytes_per_frame;
132 u_int fraction; /* fraction/1000 is the extra samples/frame */
133 u_int residue; /* accumulates the fractional samples */
134
135 u_char *start; /* upper layer buffer start */
136 u_char *end; /* upper layer buffer end */
137 u_char *cur; /* current position in upper layer buffer */
138 int blksize; /* chunk size to report up */
139 int transferred; /* transferred bytes not reported up */
140
141 int altidx; /* currently used altidx */
142
143 int curchanbuf;
144 struct chanbuf {
145 struct chan *chan;
146 usbd_xfer_handle xfer;
147 u_char *buffer;
148 uint16_t sizes[UAUDIO_NFRAMES];
149 uint16_t offsets[UAUDIO_NFRAMES];
150 uint16_t size;
151 } chanbufs[UAUDIO_NCHANBUFS];
152
153 struct uaudio_softc *sc; /* our softc */
154 };
155
156 struct uaudio_softc {
157 device_t sc_dev; /* base device */
158 usbd_device_handle sc_udev; /* USB device */
159 int sc_ac_iface; /* Audio Control interface */
160 usbd_interface_handle sc_ac_ifaceh;
161 struct chan sc_playchan; /* play channel */
162 struct chan sc_recchan; /* record channel */
163 int sc_nullalt;
164 int sc_audio_rev;
165 struct as_info *sc_alts; /* alternate settings */
166 int sc_nalts; /* # of alternate settings */
167 int sc_altflags;
168 #define HAS_8 0x01
169 #define HAS_16 0x02
170 #define HAS_8U 0x04
171 #define HAS_ALAW 0x08
172 #define HAS_MULAW 0x10
173 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
174 #define HAS_24 0x40
175 int sc_mode; /* play/record capability */
176 struct mixerctl *sc_ctls; /* mixer controls */
177 int sc_nctls; /* # of mixer controls */
178 device_t sc_audiodev;
179 struct audio_format *sc_formats;
180 int sc_nformats;
181 struct audio_encoding_set *sc_encodings;
182 u_int sc_channel_config;
183 char sc_dying;
184 struct audio_device sc_adev;
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 uaudio_cs_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 int uaudio_set_params
307 (void *, int, int, struct audio_params *, struct audio_params *,
308 stream_filter_list_t *, stream_filter_list_t *);
309 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
310 Static int uaudio_trigger_output
311 (void *, void *, void *, int, void (*)(void *), void *,
312 const audio_params_t *);
313 Static int uaudio_trigger_input
314 (void *, void *, void *, int, void (*)(void *), void *,
315 const audio_params_t *);
316 Static int uaudio_halt_in_dma(void *);
317 Static int uaudio_halt_out_dma(void *);
318 Static int uaudio_getdev(void *, struct audio_device *);
319 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
320 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
321 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
322 Static int uaudio_get_props(void *);
323
324 Static const struct audio_hw_if uaudio_hw_if = {
325 uaudio_open,
326 uaudio_close,
327 uaudio_drain,
328 uaudio_query_encoding,
329 uaudio_set_params,
330 uaudio_round_blocksize,
331 NULL,
332 NULL,
333 NULL,
334 NULL,
335 NULL,
336 uaudio_halt_out_dma,
337 uaudio_halt_in_dma,
338 NULL,
339 uaudio_getdev,
340 NULL,
341 uaudio_mixer_set_port,
342 uaudio_mixer_get_port,
343 uaudio_query_devinfo,
344 NULL,
345 NULL,
346 NULL,
347 NULL,
348 uaudio_get_props,
349 uaudio_trigger_output,
350 uaudio_trigger_input,
351 NULL,
352 NULL,
353 };
354
355 int uaudio_match(device_t, cfdata_t, void *);
356 void uaudio_attach(device_t, device_t, void *);
357 int uaudio_detach(device_t, int);
358 void uaudio_childdet(device_t, device_t);
359 int uaudio_activate(device_t, enum devact);
360
361 extern struct cfdriver uaudio_cd;
362
363 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc),
364 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL,
365 uaudio_childdet);
366
367 int
368 uaudio_match(device_t parent, cfdata_t match, void *aux)
369 {
370 struct usbif_attach_arg *uaa = aux;
371
372 /* Trigger on the control interface. */
373 if (uaa->class != UICLASS_AUDIO ||
374 uaa->subclass != UISUBCLASS_AUDIOCONTROL ||
375 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
376 return UMATCH_NONE;
377
378 return UMATCH_IFACECLASS_IFACESUBCLASS;
379 }
380
381 void
382 uaudio_attach(device_t parent, device_t self, void *aux)
383 {
384 struct uaudio_softc *sc = device_private(self);
385 struct usbif_attach_arg *uaa = aux;
386 usb_interface_descriptor_t *id;
387 usb_config_descriptor_t *cdesc;
388 char *devinfop;
389 usbd_status err;
390 int i, j, found;
391
392 sc->sc_dev = self;
393 sc->sc_udev = uaa->device;
394
395 strlcpy(sc->sc_adev.name, "USB audio", sizeof(sc->sc_adev.name));
396 strlcpy(sc->sc_adev.version, "", sizeof(sc->sc_adev.version));
397 snprintf(sc->sc_adev.config, sizeof(sc->sc_adev.config), "usb:%08x",
398 sc->sc_udev->cookie.cookie);
399
400 aprint_naive("\n");
401 aprint_normal("\n");
402
403 devinfop = usbd_devinfo_alloc(uaa->device, 0);
404 aprint_normal_dev(self, "%s\n", devinfop);
405 usbd_devinfo_free(devinfop);
406
407 cdesc = usbd_get_config_descriptor(sc->sc_udev);
408 if (cdesc == NULL) {
409 aprint_error_dev(self,
410 "failed to get configuration descriptor\n");
411 return;
412 }
413
414 err = uaudio_identify(sc, cdesc);
415 if (err) {
416 aprint_error_dev(self,
417 "audio descriptors make no sense, error=%d\n", err);
418 return;
419 }
420
421 sc->sc_ac_ifaceh = uaa->iface;
422 /* Pick up the AS interface. */
423 for (i = 0; i < uaa->nifaces; i++) {
424 if (uaa->ifaces[i] == NULL)
425 continue;
426 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
427 if (id == NULL)
428 continue;
429 found = 0;
430 for (j = 0; j < sc->sc_nalts; j++) {
431 if (id->bInterfaceNumber ==
432 sc->sc_alts[j].idesc->bInterfaceNumber) {
433 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
434 found = 1;
435 }
436 }
437 if (found)
438 uaa->ifaces[i] = NULL;
439 }
440
441 for (j = 0; j < sc->sc_nalts; j++) {
442 if (sc->sc_alts[j].ifaceh == NULL) {
443 aprint_error_dev(self,
444 "alt %d missing AS interface(s)\n", j);
445 return;
446 }
447 }
448
449 aprint_normal_dev(self, "audio rev %d.%02x\n",
450 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
451
452 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
453 sc->sc_playchan.altidx = -1;
454 sc->sc_recchan.altidx = -1;
455
456 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
457 sc->sc_altflags |= UA_NOFRAC;
458
459 #ifndef UAUDIO_DEBUG
460 if (bootverbose)
461 #endif
462 aprint_normal_dev(self, "%d mixer controls\n",
463 sc->sc_nctls);
464
465 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
466 sc->sc_dev);
467
468 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
469 #if defined(__OpenBSD__)
470 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
471 #else
472 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev);
473 #endif
474
475 return;
476 }
477
478 int
479 uaudio_activate(device_t self, enum devact act)
480 {
481 struct uaudio_softc *sc = device_private(self);
482
483 switch (act) {
484 case DVACT_DEACTIVATE:
485 sc->sc_dying = 1;
486 return 0;
487 default:
488 return EOPNOTSUPP;
489 }
490 }
491
492 void
493 uaudio_childdet(device_t self, device_t child)
494 {
495 struct uaudio_softc *sc = device_private(self);
496
497 KASSERT(sc->sc_audiodev == child);
498 sc->sc_audiodev = NULL;
499 }
500
501 int
502 uaudio_detach(device_t self, int flags)
503 {
504 struct uaudio_softc *sc = device_private(self);
505 int rv;
506
507 rv = 0;
508 /* Wait for outstanding requests to complete. */
509 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
510
511 if (sc->sc_audiodev != NULL)
512 rv = config_detach(sc->sc_audiodev, flags);
513
514 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
515 sc->sc_dev);
516
517 if (sc->sc_formats != NULL)
518 free(sc->sc_formats, M_USBDEV);
519 auconv_delete_encodings(sc->sc_encodings);
520 return rv;
521 }
522
523 Static int
524 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
525 {
526 struct uaudio_softc *sc;
527 int flags;
528
529 sc = addr;
530 flags = sc->sc_altflags;
531 if (sc->sc_dying)
532 return EIO;
533
534 if (sc->sc_nalts == 0 || flags == 0)
535 return ENXIO;
536
537 return auconv_query_encoding(sc->sc_encodings, fp);
538 }
539
540 Static const usb_interface_descriptor_t *
541 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
542 {
543 const usb_interface_descriptor_t *d;
544
545 while (*offsp < size) {
546 d = (const void *)(tbuf + *offsp);
547 *offsp += d->bLength;
548 if (d->bDescriptorType == UDESC_INTERFACE &&
549 d->bInterfaceClass == UICLASS_AUDIO &&
550 d->bInterfaceSubClass == subtype)
551 return d;
552 }
553 return NULL;
554 }
555
556 Static void
557 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
558 {
559 int res;
560 size_t len;
561 struct mixerctl *nmc;
562
563 if (mc->class < UAC_NCLASSES) {
564 DPRINTF(("%s: adding %s.%s\n",
565 __func__, uac_names[mc->class], mc->ctlname));
566 } else {
567 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
568 }
569 len = sizeof(*mc) * (sc->sc_nctls + 1);
570 nmc = malloc(len, M_USBDEV, M_NOWAIT);
571 if (nmc == NULL) {
572 aprint_error("uaudio_mixer_add_ctl: no memory\n");
573 return;
574 }
575 /* Copy old data, if there was any */
576 if (sc->sc_nctls != 0) {
577 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
578 free(sc->sc_ctls, M_USBDEV);
579 }
580 sc->sc_ctls = nmc;
581
582 mc->delta = 0;
583 if (mc->type == MIX_ON_OFF) {
584 mc->minval = 0;
585 mc->maxval = 1;
586 } else if (mc->type == MIX_SELECTOR) {
587 ;
588 } else {
589 /* Determine min and max values. */
590 mc->minval = uaudio_signext(mc->type,
591 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
592 mc->wValue[0], mc->wIndex,
593 MIX_SIZE(mc->type)));
594 mc->maxval = 1 + uaudio_signext(mc->type,
595 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
596 mc->wValue[0], mc->wIndex,
597 MIX_SIZE(mc->type)));
598 mc->mul = mc->maxval - mc->minval;
599 if (mc->mul == 0)
600 mc->mul = 1;
601 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
602 mc->wValue[0], mc->wIndex,
603 MIX_SIZE(mc->type));
604 if (res > 0)
605 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
606 }
607
608 sc->sc_ctls[sc->sc_nctls++] = *mc;
609
610 #ifdef UAUDIO_DEBUG
611 if (uaudiodebug > 2) {
612 int i;
613 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
614 for (i = 1; i < mc->nchan; i++)
615 DPRINTF((",%04x", mc->wValue[i]));
616 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
617 "min=%d max=%d\n",
618 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
619 mc->minval, mc->maxval));
620 }
621 #endif
622 }
623
624 Static char *
625 uaudio_id_name(struct uaudio_softc *sc,
626 const struct io_terminal *iot, int id)
627 {
628 static char tbuf[32];
629
630 snprintf(tbuf, sizeof(tbuf), "i%d", id);
631 return tbuf;
632 }
633
634 #ifdef UAUDIO_DEBUG
635 Static void
636 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
637 {
638 static const char *channel_names[16] = {
639 "LEFT", "RIGHT", "CENTER", "LFE",
640 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
641 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
642 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
643 };
644 int cc, i, first;
645
646 cc = UGETW(cl->wChannelConfig);
647 printf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
648 cl->bNrChannels, cc);
649 first = TRUE;
650 for (i = 0; cc != 0; i++) {
651 if (cc & 1) {
652 printf("%c%s", first ? '<' : ',', channel_names[i]);
653 first = FALSE;
654 }
655 cc = cc >> 1;
656 }
657 printf("> iChannelNames=%u", cl->iChannelNames);
658 }
659 #endif
660
661 Static struct usb_audio_cluster
662 uaudio_get_cluster(int id, const struct io_terminal *iot)
663 {
664 struct usb_audio_cluster r;
665 const uaudio_cs_descriptor_t *dp;
666 int i;
667
668 for (i = 0; i < 25; i++) { /* avoid infinite loops */
669 dp = iot[id].d.desc;
670 if (dp == 0)
671 goto bad;
672 switch (dp->bDescriptorSubtype) {
673 case UDESCSUB_AC_INPUT:
674 r.bNrChannels = iot[id].d.it->bNrChannels;
675 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
676 r.iChannelNames = iot[id].d.it->iChannelNames;
677 return r;
678 case UDESCSUB_AC_OUTPUT:
679 id = iot[id].d.ot->bSourceId;
680 break;
681 case UDESCSUB_AC_MIXER:
682 r = *(const struct usb_audio_cluster *)
683 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
684 return r;
685 case UDESCSUB_AC_SELECTOR:
686 /* XXX This is not really right */
687 id = iot[id].d.su->baSourceId[0];
688 break;
689 case UDESCSUB_AC_FEATURE:
690 id = iot[id].d.fu->bSourceId;
691 break;
692 case UDESCSUB_AC_PROCESSING:
693 r = *(const struct usb_audio_cluster *)
694 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
695 return r;
696 case UDESCSUB_AC_EXTENSION:
697 r = *(const struct usb_audio_cluster *)
698 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
699 return r;
700 default:
701 goto bad;
702 }
703 }
704 bad:
705 aprint_error("uaudio_get_cluster: bad data\n");
706 memset(&r, 0, sizeof r);
707 return r;
708
709 }
710
711 Static void
712 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
713 {
714 const struct usb_audio_input_terminal *d;
715
716 d = iot[id].d.it;
717 #ifdef UAUDIO_DEBUG
718 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
719 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
720 "iChannelNames=%d iTerminal=%d\n",
721 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
722 d->bNrChannels, UGETW(d->wChannelConfig),
723 d->iChannelNames, d->iTerminal));
724 #endif
725 /* If USB input terminal, record wChannelConfig */
726 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
727 return;
728 sc->sc_channel_config = UGETW(d->wChannelConfig);
729 }
730
731 Static void
732 uaudio_add_output(struct uaudio_softc *sc,
733 const struct io_terminal *iot, int id)
734 {
735 #ifdef UAUDIO_DEBUG
736 const struct usb_audio_output_terminal *d;
737
738 d = iot[id].d.ot;
739 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
740 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
741 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
742 d->bSourceId, d->iTerminal));
743 #endif
744 }
745
746 Static void
747 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
748 {
749 const struct usb_audio_mixer_unit *d;
750 const struct usb_audio_mixer_unit_1 *d1;
751 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
752 const uByte *bm;
753 struct mixerctl mix;
754
755 d = iot[id].d.mu;
756 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
757 d->bUnitId, d->bNrInPins));
758
759 /* Compute the number of input channels */
760 ichs = 0;
761 for (i = 0; i < d->bNrInPins; i++)
762 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
763
764 /* and the number of output channels */
765 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
766 ochs = d1->bNrChannels;
767 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
768
769 bm = d1->bmControls;
770 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
771 uaudio_determine_class(&iot[id], &mix);
772 mix.type = MIX_SIGNED_16;
773 mix.ctlunit = AudioNvolume;
774 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
775 for (p = i = 0; i < d->bNrInPins; i++) {
776 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
777 mc = 0;
778 for (c = 0; c < chs; c++) {
779 mo = 0;
780 for (o = 0; o < ochs; o++) {
781 bno = (p + c) * ochs + o;
782 if (_BIT(bno))
783 mo++;
784 }
785 if (mo == 1)
786 mc++;
787 }
788 if (mc == chs && chs <= MIX_MAX_CHAN) {
789 k = 0;
790 for (c = 0; c < chs; c++)
791 for (o = 0; o < ochs; o++) {
792 bno = (p + c) * ochs + o;
793 if (_BIT(bno))
794 mix.wValue[k++] =
795 MAKE(p+c+1, o+1);
796 }
797 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
798 d->bUnitId, uaudio_id_name(sc, iot,
799 d->baSourceId[i]));
800 mix.nchan = chs;
801 uaudio_mixer_add_ctl(sc, &mix);
802 } else {
803 /* XXX */
804 }
805 #undef _BIT
806 p += chs;
807 }
808
809 }
810
811 Static void
812 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
813 {
814 const struct usb_audio_selector_unit *d;
815 struct mixerctl mix;
816 int i, wp;
817
818 d = iot[id].d.su;
819 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
820 d->bUnitId, d->bNrInPins));
821 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
822 mix.wValue[0] = MAKE(0, 0);
823 uaudio_determine_class(&iot[id], &mix);
824 mix.nchan = 1;
825 mix.type = MIX_SELECTOR;
826 mix.ctlunit = "";
827 mix.minval = 1;
828 mix.maxval = d->bNrInPins;
829 mix.mul = mix.maxval - mix.minval;
830 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
831 for (i = 1; i <= d->bNrInPins; i++) {
832 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
833 "i%d", d->baSourceId[i - 1]);
834 if (wp > MAX_AUDIO_DEV_LEN - 1)
835 break;
836 }
837 uaudio_mixer_add_ctl(sc, &mix);
838 }
839
840 #ifdef UAUDIO_DEBUG
841 Static const char *
842 uaudio_get_terminal_name(int terminal_type)
843 {
844 static char tbuf[100];
845
846 switch (terminal_type) {
847 /* USB terminal types */
848 case UAT_UNDEFINED: return "UAT_UNDEFINED";
849 case UAT_STREAM: return "UAT_STREAM";
850 case UAT_VENDOR: return "UAT_VENDOR";
851 /* input terminal types */
852 case UATI_UNDEFINED: return "UATI_UNDEFINED";
853 case UATI_MICROPHONE: return "UATI_MICROPHONE";
854 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
855 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
856 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
857 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
858 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
859 /* output terminal types */
860 case UATO_UNDEFINED: return "UATO_UNDEFINED";
861 case UATO_SPEAKER: return "UATO_SPEAKER";
862 case UATO_HEADPHONES: return "UATO_HEADPHONES";
863 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
864 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
865 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
866 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
867 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
868 /* bidir terminal types */
869 case UATB_UNDEFINED: return "UATB_UNDEFINED";
870 case UATB_HANDSET: return "UATB_HANDSET";
871 case UATB_HEADSET: return "UATB_HEADSET";
872 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
873 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
874 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
875 /* telephony terminal types */
876 case UATT_UNDEFINED: return "UATT_UNDEFINED";
877 case UATT_PHONELINE: return "UATT_PHONELINE";
878 case UATT_TELEPHONE: return "UATT_TELEPHONE";
879 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
880 /* external terminal types */
881 case UATE_UNDEFINED: return "UATE_UNDEFINED";
882 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
883 case UATE_LINECONN: return "UATE_LINECONN";
884 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
885 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
886 case UATE_SPDIF: return "UATE_SPDIF";
887 case UATE_1394DA: return "UATE_1394DA";
888 case UATE_1394DV: return "UATE_1394DV";
889 /* embedded function terminal types */
890 case UATF_UNDEFINED: return "UATF_UNDEFINED";
891 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
892 case UATF_EQUNOISE: return "UATF_EQUNOISE";
893 case UATF_CDPLAYER: return "UATF_CDPLAYER";
894 case UATF_DAT: return "UATF_DAT";
895 case UATF_DCC: return "UATF_DCC";
896 case UATF_MINIDISK: return "UATF_MINIDISK";
897 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
898 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
899 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
900 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
901 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
902 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
903 case UATF_SATELLITE: return "UATF_SATELLITE";
904 case UATF_CABLETUNER: return "UATF_CABLETUNER";
905 case UATF_DSS: return "UATF_DSS";
906 case UATF_RADIORECV: return "UATF_RADIORECV";
907 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
908 case UATF_MULTITRACK: return "UATF_MULTITRACK";
909 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
910 default:
911 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
912 return tbuf;
913 }
914 }
915 #endif
916
917 Static int
918 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
919 {
920 int terminal_type;
921
922 if (iot == NULL || iot->output == NULL) {
923 mix->class = UAC_OUTPUT;
924 return 0;
925 }
926 terminal_type = 0;
927 if (iot->output->size == 1)
928 terminal_type = iot->output->terminals[0];
929 /*
930 * If the only output terminal is USB,
931 * the class is UAC_RECORD.
932 */
933 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
934 mix->class = UAC_RECORD;
935 if (iot->inputs_size == 1
936 && iot->inputs[0] != NULL
937 && iot->inputs[0]->size == 1)
938 return iot->inputs[0]->terminals[0];
939 else
940 return 0;
941 }
942 /*
943 * If the ultimate destination of the unit is just one output
944 * terminal and the unit is connected to the output terminal
945 * directly, the class is UAC_OUTPUT.
946 */
947 if (terminal_type != 0 && iot->direct) {
948 mix->class = UAC_OUTPUT;
949 return terminal_type;
950 }
951 /*
952 * If the unit is connected to just one input terminal,
953 * the class is UAC_INPUT.
954 */
955 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
956 && iot->inputs[0]->size == 1) {
957 mix->class = UAC_INPUT;
958 return iot->inputs[0]->terminals[0];
959 }
960 /*
961 * Otherwise, the class is UAC_OUTPUT.
962 */
963 mix->class = UAC_OUTPUT;
964 return terminal_type;
965 }
966
967 Static const char *
968 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
969 {
970 int terminal_type;
971
972 terminal_type = uaudio_determine_class(iot, mix);
973 if (mix->class == UAC_RECORD && terminal_type == 0)
974 return AudioNmixerout;
975 DPRINTF(("%s: terminal_type=%s\n", __func__,
976 uaudio_get_terminal_name(terminal_type)));
977 switch (terminal_type) {
978 case UAT_STREAM:
979 return AudioNdac;
980
981 case UATI_MICROPHONE:
982 case UATI_DESKMICROPHONE:
983 case UATI_PERSONALMICROPHONE:
984 case UATI_OMNIMICROPHONE:
985 case UATI_MICROPHONEARRAY:
986 case UATI_PROCMICROPHONEARR:
987 return AudioNmicrophone;
988
989 case UATO_SPEAKER:
990 case UATO_DESKTOPSPEAKER:
991 case UATO_ROOMSPEAKER:
992 case UATO_COMMSPEAKER:
993 return AudioNspeaker;
994
995 case UATO_HEADPHONES:
996 return AudioNheadphone;
997
998 case UATO_SUBWOOFER:
999 return AudioNlfe;
1000
1001 /* telephony terminal types */
1002 case UATT_UNDEFINED:
1003 case UATT_PHONELINE:
1004 case UATT_TELEPHONE:
1005 case UATT_DOWNLINEPHONE:
1006 return "phone";
1007
1008 case UATE_ANALOGCONN:
1009 case UATE_LINECONN:
1010 case UATE_LEGACYCONN:
1011 return AudioNline;
1012
1013 case UATE_DIGITALAUIFC:
1014 case UATE_SPDIF:
1015 case UATE_1394DA:
1016 case UATE_1394DV:
1017 return AudioNaux;
1018
1019 case UATF_CDPLAYER:
1020 return AudioNcd;
1021
1022 case UATF_SYNTHESIZER:
1023 return AudioNfmsynth;
1024
1025 case UATF_VIDEODISCAUDIO:
1026 case UATF_DVDAUDIO:
1027 case UATF_TVTUNERAUDIO:
1028 return AudioNvideo;
1029
1030 case UAT_UNDEFINED:
1031 case UAT_VENDOR:
1032 case UATI_UNDEFINED:
1033 /* output terminal types */
1034 case UATO_UNDEFINED:
1035 case UATO_DISPLAYAUDIO:
1036 /* bidir terminal types */
1037 case UATB_UNDEFINED:
1038 case UATB_HANDSET:
1039 case UATB_HEADSET:
1040 case UATB_SPEAKERPHONE:
1041 case UATB_SPEAKERPHONEESUP:
1042 case UATB_SPEAKERPHONEECANC:
1043 /* external terminal types */
1044 case UATE_UNDEFINED:
1045 /* embedded function terminal types */
1046 case UATF_UNDEFINED:
1047 case UATF_CALIBNOISE:
1048 case UATF_EQUNOISE:
1049 case UATF_DAT:
1050 case UATF_DCC:
1051 case UATF_MINIDISK:
1052 case UATF_ANALOGTAPE:
1053 case UATF_PHONOGRAPH:
1054 case UATF_VCRAUDIO:
1055 case UATF_SATELLITE:
1056 case UATF_CABLETUNER:
1057 case UATF_DSS:
1058 case UATF_RADIORECV:
1059 case UATF_RADIOXMIT:
1060 case UATF_MULTITRACK:
1061 case 0xffff:
1062 default:
1063 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1064 return AudioNmaster;
1065 }
1066 return AudioNmaster;
1067 }
1068
1069 Static void
1070 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1071 {
1072 const struct usb_audio_feature_unit *d;
1073 const uByte *ctls;
1074 int ctlsize;
1075 int nchan;
1076 u_int fumask, mmask, cmask;
1077 struct mixerctl mix;
1078 int chan, ctl, i, unit;
1079 const char *mixername;
1080
1081 #define GET(i) (ctls[(i)*ctlsize] | \
1082 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1083 d = iot[id].d.fu;
1084 ctls = d->bmaControls;
1085 ctlsize = d->bControlSize;
1086 nchan = (d->bLength - 7) / ctlsize;
1087 mmask = GET(0);
1088 /* Figure out what we can control */
1089 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1090 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1091 chan, GET(chan)));
1092 cmask |= GET(chan);
1093 }
1094
1095 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1096 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1097 d->bUnitId, nchan, mmask, cmask));
1098
1099 if (nchan > MIX_MAX_CHAN)
1100 nchan = MIX_MAX_CHAN;
1101 unit = d->bUnitId;
1102 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1103 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1104 fumask = FU_MASK(ctl);
1105 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1106 ctl, fumask));
1107 if (mmask & fumask) {
1108 mix.nchan = 1;
1109 mix.wValue[0] = MAKE(ctl, 0);
1110 } else if (cmask & fumask) {
1111 mix.nchan = nchan - 1;
1112 for (i = 1; i < nchan; i++) {
1113 if (GET(i) & fumask)
1114 mix.wValue[i-1] = MAKE(ctl, i);
1115 else
1116 mix.wValue[i-1] = -1;
1117 }
1118 } else {
1119 continue;
1120 }
1121 #undef GET
1122 mixername = uaudio_feature_name(&iot[id], &mix);
1123 switch (ctl) {
1124 case MUTE_CONTROL:
1125 mix.type = MIX_ON_OFF;
1126 mix.ctlunit = "";
1127 snprintf(mix.ctlname, sizeof(mix.ctlname),
1128 "%s.%s", mixername, AudioNmute);
1129 break;
1130 case VOLUME_CONTROL:
1131 mix.type = MIX_SIGNED_16;
1132 mix.ctlunit = AudioNvolume;
1133 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1134 break;
1135 case BASS_CONTROL:
1136 mix.type = MIX_SIGNED_8;
1137 mix.ctlunit = AudioNbass;
1138 snprintf(mix.ctlname, sizeof(mix.ctlname),
1139 "%s.%s", mixername, AudioNbass);
1140 break;
1141 case MID_CONTROL:
1142 mix.type = MIX_SIGNED_8;
1143 mix.ctlunit = AudioNmid;
1144 snprintf(mix.ctlname, sizeof(mix.ctlname),
1145 "%s.%s", mixername, AudioNmid);
1146 break;
1147 case TREBLE_CONTROL:
1148 mix.type = MIX_SIGNED_8;
1149 mix.ctlunit = AudioNtreble;
1150 snprintf(mix.ctlname, sizeof(mix.ctlname),
1151 "%s.%s", mixername, AudioNtreble);
1152 break;
1153 case GRAPHIC_EQUALIZER_CONTROL:
1154 continue; /* XXX don't add anything */
1155 break;
1156 case AGC_CONTROL:
1157 mix.type = MIX_ON_OFF;
1158 mix.ctlunit = "";
1159 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1160 mixername, AudioNagc);
1161 break;
1162 case DELAY_CONTROL:
1163 mix.type = MIX_UNSIGNED_16;
1164 mix.ctlunit = "4 ms";
1165 snprintf(mix.ctlname, sizeof(mix.ctlname),
1166 "%s.%s", mixername, AudioNdelay);
1167 break;
1168 case BASS_BOOST_CONTROL:
1169 mix.type = MIX_ON_OFF;
1170 mix.ctlunit = "";
1171 snprintf(mix.ctlname, sizeof(mix.ctlname),
1172 "%s.%s", mixername, AudioNbassboost);
1173 break;
1174 case LOUDNESS_CONTROL:
1175 mix.type = MIX_ON_OFF;
1176 mix.ctlunit = "";
1177 snprintf(mix.ctlname, sizeof(mix.ctlname),
1178 "%s.%s", mixername, AudioNloudness);
1179 break;
1180 }
1181 uaudio_mixer_add_ctl(sc, &mix);
1182 }
1183 }
1184
1185 Static void
1186 uaudio_add_processing_updown(struct uaudio_softc *sc,
1187 const struct io_terminal *iot, int id)
1188 {
1189 const struct usb_audio_processing_unit *d;
1190 const struct usb_audio_processing_unit_1 *d1;
1191 const struct usb_audio_processing_unit_updown *ud;
1192 struct mixerctl mix;
1193 int i;
1194
1195 d = iot[id].d.pu;
1196 d1 = (const struct usb_audio_processing_unit_1 *)
1197 &d->baSourceId[d->bNrInPins];
1198 ud = (const struct usb_audio_processing_unit_updown *)
1199 &d1->bmControls[d1->bControlSize];
1200 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1201 d->bUnitId, ud->bNrModes));
1202
1203 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1204 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1205 return;
1206 }
1207
1208 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1209 mix.nchan = 1;
1210 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1211 uaudio_determine_class(&iot[id], &mix);
1212 mix.type = MIX_ON_OFF; /* XXX */
1213 mix.ctlunit = "";
1214 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1215
1216 for (i = 0; i < ud->bNrModes; i++) {
1217 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1218 i, UGETW(ud->waModes[i])));
1219 /* XXX */
1220 }
1221 uaudio_mixer_add_ctl(sc, &mix);
1222 }
1223
1224 Static void
1225 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1226 {
1227 const struct usb_audio_processing_unit *d;
1228 const struct usb_audio_processing_unit_1 *d1;
1229 int ptype;
1230 struct mixerctl mix;
1231
1232 d = iot[id].d.pu;
1233 d1 = (const struct usb_audio_processing_unit_1 *)
1234 &d->baSourceId[d->bNrInPins];
1235 ptype = UGETW(d->wProcessType);
1236 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1237 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1238
1239 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1240 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1241 mix.nchan = 1;
1242 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1243 uaudio_determine_class(&iot[id], &mix);
1244 mix.type = MIX_ON_OFF;
1245 mix.ctlunit = "";
1246 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1247 d->bUnitId, ptype);
1248 uaudio_mixer_add_ctl(sc, &mix);
1249 }
1250
1251 switch(ptype) {
1252 case UPDOWNMIX_PROCESS:
1253 uaudio_add_processing_updown(sc, iot, id);
1254 break;
1255 case DOLBY_PROLOGIC_PROCESS:
1256 case P3D_STEREO_EXTENDER_PROCESS:
1257 case REVERBATION_PROCESS:
1258 case CHORUS_PROCESS:
1259 case DYN_RANGE_COMP_PROCESS:
1260 default:
1261 #ifdef UAUDIO_DEBUG
1262 aprint_debug(
1263 "uaudio_add_processing: unit %d, type=%d not impl.\n",
1264 d->bUnitId, ptype);
1265 #endif
1266 break;
1267 }
1268 }
1269
1270 Static void
1271 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1272 {
1273 const struct usb_audio_extension_unit *d;
1274 const struct usb_audio_extension_unit_1 *d1;
1275 struct mixerctl mix;
1276
1277 d = iot[id].d.eu;
1278 d1 = (const struct usb_audio_extension_unit_1 *)
1279 &d->baSourceId[d->bNrInPins];
1280 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1281 d->bUnitId, d->bNrInPins));
1282
1283 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1284 return;
1285
1286 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1287 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1288 mix.nchan = 1;
1289 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1290 uaudio_determine_class(&iot[id], &mix);
1291 mix.type = MIX_ON_OFF;
1292 mix.ctlunit = "";
1293 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1294 d->bUnitId);
1295 uaudio_mixer_add_ctl(sc, &mix);
1296 }
1297 }
1298
1299 Static struct terminal_list*
1300 uaudio_merge_terminal_list(const struct io_terminal *iot)
1301 {
1302 struct terminal_list *tml;
1303 uint16_t *ptm;
1304 int i, len;
1305
1306 len = 0;
1307 if (iot->inputs == NULL)
1308 return NULL;
1309 for (i = 0; i < iot->inputs_size; i++) {
1310 if (iot->inputs[i] != NULL)
1311 len += iot->inputs[i]->size;
1312 }
1313 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1314 if (tml == NULL) {
1315 aprint_error("uaudio_merge_terminal_list: no memory\n");
1316 return NULL;
1317 }
1318 tml->size = 0;
1319 ptm = tml->terminals;
1320 for (i = 0; i < iot->inputs_size; i++) {
1321 if (iot->inputs[i] == NULL)
1322 continue;
1323 if (iot->inputs[i]->size > len)
1324 break;
1325 memcpy(ptm, iot->inputs[i]->terminals,
1326 iot->inputs[i]->size * sizeof(uint16_t));
1327 tml->size += iot->inputs[i]->size;
1328 ptm += iot->inputs[i]->size;
1329 len -= iot->inputs[i]->size;
1330 }
1331 return tml;
1332 }
1333
1334 Static struct terminal_list *
1335 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1336 {
1337 struct terminal_list *tml;
1338 struct io_terminal *it;
1339 int src_id, i;
1340
1341 it = &iot[id];
1342 if (it->output != NULL) {
1343 /* already has outtype? */
1344 for (i = 0; i < it->output->size; i++)
1345 if (it->output->terminals[i] == outtype)
1346 return uaudio_merge_terminal_list(it);
1347 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1348 M_TEMP, M_NOWAIT);
1349 if (tml == NULL) {
1350 aprint_error("uaudio_io_terminaltype: no memory\n");
1351 return uaudio_merge_terminal_list(it);
1352 }
1353 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1354 tml->terminals[it->output->size] = outtype;
1355 tml->size++;
1356 free(it->output, M_TEMP);
1357 it->output = tml;
1358 if (it->inputs != NULL) {
1359 for (i = 0; i < it->inputs_size; i++)
1360 if (it->inputs[i] != NULL)
1361 free(it->inputs[i], M_TEMP);
1362 free(it->inputs, M_TEMP);
1363 }
1364 it->inputs_size = 0;
1365 it->inputs = NULL;
1366 } else { /* end `iot[id] != NULL' */
1367 it->inputs_size = 0;
1368 it->inputs = NULL;
1369 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1370 if (it->output == NULL) {
1371 aprint_error("uaudio_io_terminaltype: no memory\n");
1372 return NULL;
1373 }
1374 it->output->terminals[0] = outtype;
1375 it->output->size = 1;
1376 it->direct = FALSE;
1377 }
1378
1379 switch (it->d.desc->bDescriptorSubtype) {
1380 case UDESCSUB_AC_INPUT:
1381 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1382 if (it->inputs == NULL) {
1383 aprint_error("uaudio_io_terminaltype: no memory\n");
1384 return NULL;
1385 }
1386 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1387 if (tml == NULL) {
1388 aprint_error("uaudio_io_terminaltype: no memory\n");
1389 free(it->inputs, M_TEMP);
1390 it->inputs = NULL;
1391 return NULL;
1392 }
1393 it->inputs[0] = tml;
1394 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1395 tml->size = 1;
1396 it->inputs_size = 1;
1397 return uaudio_merge_terminal_list(it);
1398 case UDESCSUB_AC_FEATURE:
1399 src_id = it->d.fu->bSourceId;
1400 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1401 if (it->inputs == NULL) {
1402 aprint_error("uaudio_io_terminaltype: no memory\n");
1403 return uaudio_io_terminaltype(outtype, iot, src_id);
1404 }
1405 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1406 it->inputs_size = 1;
1407 return uaudio_merge_terminal_list(it);
1408 case UDESCSUB_AC_OUTPUT:
1409 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1410 if (it->inputs == NULL) {
1411 aprint_error("uaudio_io_terminaltype: no memory\n");
1412 return NULL;
1413 }
1414 src_id = it->d.ot->bSourceId;
1415 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1416 it->inputs_size = 1;
1417 iot[src_id].direct = TRUE;
1418 return NULL;
1419 case UDESCSUB_AC_MIXER:
1420 it->inputs_size = 0;
1421 it->inputs = malloc(sizeof(struct terminal_list *)
1422 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1423 if (it->inputs == NULL) {
1424 aprint_error("uaudio_io_terminaltype: no memory\n");
1425 return NULL;
1426 }
1427 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1428 src_id = it->d.mu->baSourceId[i];
1429 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1430 src_id);
1431 it->inputs_size++;
1432 }
1433 return uaudio_merge_terminal_list(it);
1434 case UDESCSUB_AC_SELECTOR:
1435 it->inputs_size = 0;
1436 it->inputs = malloc(sizeof(struct terminal_list *)
1437 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1438 if (it->inputs == NULL) {
1439 aprint_error("uaudio_io_terminaltype: no memory\n");
1440 return NULL;
1441 }
1442 for (i = 0; i < it->d.su->bNrInPins; i++) {
1443 src_id = it->d.su->baSourceId[i];
1444 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1445 src_id);
1446 it->inputs_size++;
1447 }
1448 return uaudio_merge_terminal_list(it);
1449 case UDESCSUB_AC_PROCESSING:
1450 it->inputs_size = 0;
1451 it->inputs = malloc(sizeof(struct terminal_list *)
1452 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1453 if (it->inputs == NULL) {
1454 aprint_error("uaudio_io_terminaltype: no memory\n");
1455 return NULL;
1456 }
1457 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1458 src_id = it->d.pu->baSourceId[i];
1459 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1460 src_id);
1461 it->inputs_size++;
1462 }
1463 return uaudio_merge_terminal_list(it);
1464 case UDESCSUB_AC_EXTENSION:
1465 it->inputs_size = 0;
1466 it->inputs = malloc(sizeof(struct terminal_list *)
1467 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1468 if (it->inputs == NULL) {
1469 aprint_error("uaudio_io_terminaltype: no memory\n");
1470 return NULL;
1471 }
1472 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1473 src_id = it->d.eu->baSourceId[i];
1474 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1475 src_id);
1476 it->inputs_size++;
1477 }
1478 return uaudio_merge_terminal_list(it);
1479 case UDESCSUB_AC_HEADER:
1480 default:
1481 return NULL;
1482 }
1483 }
1484
1485 Static usbd_status
1486 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1487 {
1488 usbd_status err;
1489
1490 err = uaudio_identify_ac(sc, cdesc);
1491 if (err)
1492 return err;
1493 return uaudio_identify_as(sc, cdesc);
1494 }
1495
1496 Static void
1497 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1498 {
1499 size_t len;
1500 struct as_info *nai;
1501
1502 len = sizeof(*ai) * (sc->sc_nalts + 1);
1503 nai = malloc(len, M_USBDEV, M_NOWAIT);
1504 if (nai == NULL) {
1505 aprint_error("uaudio_add_alt: no memory\n");
1506 return;
1507 }
1508 /* Copy old data, if there was any */
1509 if (sc->sc_nalts != 0) {
1510 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1511 free(sc->sc_alts, M_USBDEV);
1512 }
1513 sc->sc_alts = nai;
1514 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1515 ai->alt, ai->encoding));
1516 sc->sc_alts[sc->sc_nalts++] = *ai;
1517 }
1518
1519 Static usbd_status
1520 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1521 int size, const usb_interface_descriptor_t *id)
1522 #define offs (*offsp)
1523 {
1524 const struct usb_audio_streaming_interface_descriptor *asid;
1525 const struct usb_audio_streaming_type1_descriptor *asf1d;
1526 const usb_endpoint_descriptor_audio_t *ed;
1527 const usb_endpoint_descriptor_audio_t *epdesc1;
1528 const struct usb_audio_streaming_endpoint_descriptor *sed;
1529 int format, chan, prec, enc;
1530 int dir, type, sync;
1531 struct as_info ai;
1532 const char *format_str;
1533
1534 asid = (const void *)(tbuf + offs);
1535 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1536 asid->bDescriptorSubtype != AS_GENERAL)
1537 return USBD_INVAL;
1538 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1539 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1540 offs += asid->bLength;
1541 if (offs > size)
1542 return USBD_INVAL;
1543
1544 asf1d = (const void *)(tbuf + offs);
1545 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1546 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1547 return USBD_INVAL;
1548 offs += asf1d->bLength;
1549 if (offs > size)
1550 return USBD_INVAL;
1551
1552 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1553 aprint_error_dev(sc->sc_dev,
1554 "ignored setting with type %d format\n", UGETW(asid->wFormatTag));
1555 return USBD_NORMAL_COMPLETION;
1556 }
1557
1558 ed = (const void *)(tbuf + offs);
1559 if (ed->bDescriptorType != UDESC_ENDPOINT)
1560 return USBD_INVAL;
1561 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1562 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1563 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1564 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1565 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1566 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1567 offs += ed->bLength;
1568 if (offs > size)
1569 return USBD_INVAL;
1570 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1571 return USBD_INVAL;
1572
1573 dir = UE_GET_DIR(ed->bEndpointAddress);
1574 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1575 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1576 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1577 type = UE_ISO_ASYNC;
1578
1579 /* We can't handle endpoints that need a sync pipe yet. */
1580 sync = FALSE;
1581 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1582 sync = TRUE;
1583 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1584 aprint_error_dev(sc->sc_dev,
1585 "ignored input endpoint of type adaptive\n");
1586 return USBD_NORMAL_COMPLETION;
1587 #endif
1588 }
1589 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1590 sync = TRUE;
1591 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1592 aprint_error_dev(sc->sc_dev,
1593 "ignored output endpoint of type async\n");
1594 return USBD_NORMAL_COMPLETION;
1595 #endif
1596 }
1597
1598 sed = (const void *)(tbuf + offs);
1599 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1600 sed->bDescriptorSubtype != AS_GENERAL)
1601 return USBD_INVAL;
1602 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1603 offs += sed->bLength;
1604 if (offs > size)
1605 return USBD_INVAL;
1606
1607 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1608 if (sync && id->bNumEndpoints <= 1) {
1609 aprint_error_dev(sc->sc_dev,
1610 "a sync-pipe endpoint but no other endpoint\n");
1611 return USBD_INVAL;
1612 }
1613 #endif
1614 if (!sync && id->bNumEndpoints > 1) {
1615 aprint_error_dev(sc->sc_dev,
1616 "non sync-pipe endpoint but multiple endpoints\n");
1617 return USBD_INVAL;
1618 }
1619 epdesc1 = NULL;
1620 if (id->bNumEndpoints > 1) {
1621 epdesc1 = (const void*)(tbuf + offs);
1622 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1623 return USBD_INVAL;
1624 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1625 "bDescriptorType=%d bEndpointAddress=%d "
1626 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1627 "bRefresh=%d bSynchAddress=%d\n",
1628 epdesc1->bLength, epdesc1->bDescriptorType,
1629 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1630 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1631 epdesc1->bRefresh, epdesc1->bSynchAddress));
1632 offs += epdesc1->bLength;
1633 if (offs > size)
1634 return USBD_INVAL;
1635 if (epdesc1->bSynchAddress != 0) {
1636 aprint_error_dev(sc->sc_dev,
1637 "invalid endpoint: bSynchAddress=0\n");
1638 return USBD_INVAL;
1639 }
1640 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1641 aprint_error_dev(sc->sc_dev,
1642 "invalid endpoint: bmAttributes=0x%x\n",
1643 epdesc1->bmAttributes);
1644 return USBD_INVAL;
1645 }
1646 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1647 aprint_error_dev(sc->sc_dev,
1648 "invalid endpoint addresses: "
1649 "ep[0]->bSynchAddress=0x%x "
1650 "ep[1]->bEndpointAddress=0x%x\n",
1651 ed->bSynchAddress, epdesc1->bEndpointAddress);
1652 return USBD_INVAL;
1653 }
1654 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1655 }
1656
1657 format = UGETW(asid->wFormatTag);
1658 chan = asf1d->bNrChannels;
1659 prec = asf1d->bBitResolution;
1660 if (prec != 8 && prec != 16 && prec != 24) {
1661 aprint_error_dev(sc->sc_dev,
1662 "ignored setting with precision %d\n", prec);
1663 return USBD_NORMAL_COMPLETION;
1664 }
1665 switch (format) {
1666 case UA_FMT_PCM:
1667 if (prec == 8) {
1668 sc->sc_altflags |= HAS_8;
1669 } else if (prec == 16) {
1670 sc->sc_altflags |= HAS_16;
1671 } else if (prec == 24) {
1672 sc->sc_altflags |= HAS_24;
1673 }
1674 enc = AUDIO_ENCODING_SLINEAR_LE;
1675 format_str = "pcm";
1676 break;
1677 case UA_FMT_PCM8:
1678 enc = AUDIO_ENCODING_ULINEAR_LE;
1679 sc->sc_altflags |= HAS_8U;
1680 format_str = "pcm8";
1681 break;
1682 case UA_FMT_ALAW:
1683 enc = AUDIO_ENCODING_ALAW;
1684 sc->sc_altflags |= HAS_ALAW;
1685 format_str = "alaw";
1686 break;
1687 case UA_FMT_MULAW:
1688 enc = AUDIO_ENCODING_ULAW;
1689 sc->sc_altflags |= HAS_MULAW;
1690 format_str = "mulaw";
1691 break;
1692 case UA_FMT_IEEE_FLOAT:
1693 default:
1694 aprint_error_dev(sc->sc_dev,
1695 "ignored setting with format %d\n", format);
1696 return USBD_NORMAL_COMPLETION;
1697 }
1698 #ifdef UAUDIO_DEBUG
1699 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,",
1700 dir == UE_DIR_IN ? "recording" : "playback",
1701 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1702 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1703 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d),
1704 UA_SAMP_HI(asf1d));
1705 } else {
1706 int r;
1707 aprint_debug(" %d", UA_GETSAMP(asf1d, 0));
1708 for (r = 1; r < asf1d->bSamFreqType; r++)
1709 aprint_debug(",%d", UA_GETSAMP(asf1d, r));
1710 aprint_debug("Hz\n");
1711 }
1712 #endif
1713 ai.alt = id->bAlternateSetting;
1714 ai.encoding = enc;
1715 ai.attributes = sed->bmAttributes;
1716 ai.idesc = id;
1717 ai.edesc = ed;
1718 ai.edesc1 = epdesc1;
1719 ai.asf1desc = asf1d;
1720 ai.sc_busy = 0;
1721 ai.aformat = NULL;
1722 ai.ifaceh = NULL;
1723 uaudio_add_alt(sc, &ai);
1724 #ifdef UAUDIO_DEBUG
1725 if (ai.attributes & UA_SED_FREQ_CONTROL)
1726 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1727 if (ai.attributes & UA_SED_PITCH_CONTROL)
1728 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1729 #endif
1730 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1731
1732 return USBD_NORMAL_COMPLETION;
1733 }
1734 #undef offs
1735
1736 Static usbd_status
1737 uaudio_identify_as(struct uaudio_softc *sc,
1738 const usb_config_descriptor_t *cdesc)
1739 {
1740 const usb_interface_descriptor_t *id;
1741 const char *tbuf;
1742 struct audio_format *auf;
1743 const struct usb_audio_streaming_type1_descriptor *t1desc;
1744 int size, offs;
1745 int i, j;
1746
1747 size = UGETW(cdesc->wTotalLength);
1748 tbuf = (const char *)cdesc;
1749
1750 /* Locate the AudioStreaming interface descriptor. */
1751 offs = 0;
1752 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1753 if (id == NULL)
1754 return USBD_INVAL;
1755
1756 /* Loop through all the alternate settings. */
1757 while (offs <= size) {
1758 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1759 id->bInterfaceNumber, offs));
1760 switch (id->bNumEndpoints) {
1761 case 0:
1762 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1763 id->bAlternateSetting));
1764 sc->sc_nullalt = id->bAlternateSetting;
1765 break;
1766 case 1:
1767 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1768 case 2:
1769 #endif
1770 uaudio_process_as(sc, tbuf, &offs, size, id);
1771 break;
1772 default:
1773 aprint_error_dev(sc->sc_dev,
1774 "ignored audio interface with %d endpoints\n",
1775 id->bNumEndpoints);
1776 break;
1777 }
1778 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1779 if (id == NULL)
1780 break;
1781 }
1782 if (offs > size)
1783 return USBD_INVAL;
1784 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1785
1786 if (sc->sc_mode == 0) {
1787 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n");
1788 return USBD_INVAL;
1789 }
1790
1791 /* build audio_format array */
1792 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1793 M_USBDEV, M_NOWAIT);
1794 if (sc->sc_formats == NULL)
1795 return USBD_NOMEM;
1796 sc->sc_nformats = sc->sc_nalts;
1797 for (i = 0; i < sc->sc_nalts; i++) {
1798 auf = &sc->sc_formats[i];
1799 t1desc = sc->sc_alts[i].asf1desc;
1800 auf->driver_data = NULL;
1801 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1802 auf->mode = AUMODE_PLAY;
1803 else
1804 auf->mode = AUMODE_RECORD;
1805 auf->encoding = sc->sc_alts[i].encoding;
1806 auf->validbits = t1desc->bBitResolution;
1807 auf->precision = t1desc->bSubFrameSize * 8;
1808 auf->channels = t1desc->bNrChannels;
1809 auf->channel_mask = sc->sc_channel_config;
1810 auf->frequency_type = t1desc->bSamFreqType;
1811 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1812 auf->frequency[0] = UA_SAMP_LO(t1desc);
1813 auf->frequency[1] = UA_SAMP_HI(t1desc);
1814 } else {
1815 for (j = 0; j < t1desc->bSamFreqType; j++) {
1816 if (j >= AUFMT_MAX_FREQUENCIES) {
1817 aprint_error("%s: please increase "
1818 "AUFMT_MAX_FREQUENCIES to %d\n",
1819 __func__, t1desc->bSamFreqType);
1820 break;
1821 }
1822 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1823 }
1824 }
1825 sc->sc_alts[i].aformat = auf;
1826 }
1827
1828 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1829 &sc->sc_encodings)) {
1830 free(sc->sc_formats, M_DEVBUF);
1831 sc->sc_formats = NULL;
1832 return ENOMEM;
1833 }
1834
1835 return USBD_NORMAL_COMPLETION;
1836 }
1837
1838 Static usbd_status
1839 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1840 {
1841 struct io_terminal* iot;
1842 const usb_interface_descriptor_t *id;
1843 const struct usb_audio_control_descriptor *acdp;
1844 const uaudio_cs_descriptor_t *dp;
1845 const struct usb_audio_output_terminal *pot;
1846 struct terminal_list *tml;
1847 const char *tbuf, *ibuf, *ibufend;
1848 int size, offs, aclen, ndps, i, j;
1849
1850 size = UGETW(cdesc->wTotalLength);
1851 tbuf = (const char *)cdesc;
1852
1853 /* Locate the AudioControl interface descriptor. */
1854 offs = 0;
1855 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1856 if (id == NULL)
1857 return USBD_INVAL;
1858 if (offs + sizeof *acdp > size)
1859 return USBD_INVAL;
1860 sc->sc_ac_iface = id->bInterfaceNumber;
1861 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1862
1863 /* A class-specific AC interface header should follow. */
1864 ibuf = tbuf + offs;
1865 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1866 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1867 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1868 return USBD_INVAL;
1869 aclen = UGETW(acdp->wTotalLength);
1870 if (offs + aclen > size)
1871 return USBD_INVAL;
1872
1873 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1874 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1875 return USBD_INVAL;
1876
1877 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1878 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1879 sc->sc_audio_rev, aclen));
1880
1881 sc->sc_nullalt = -1;
1882
1883 /* Scan through all the AC specific descriptors */
1884 ibufend = ibuf + aclen;
1885 dp = (const uaudio_cs_descriptor_t *)ibuf;
1886 ndps = 0;
1887 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1888 if (iot == NULL) {
1889 aprint_error("%s: no memory\n", __func__);
1890 return USBD_NOMEM;
1891 }
1892 for (;;) {
1893 ibuf += dp->bLength;
1894 if (ibuf >= ibufend)
1895 break;
1896 dp = (const uaudio_cs_descriptor_t *)ibuf;
1897 if (ibuf + dp->bLength > ibufend) {
1898 free(iot, M_TEMP);
1899 return USBD_INVAL;
1900 }
1901 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1902 aprint_error(
1903 "uaudio_identify_ac: skip desc type=0x%02x\n",
1904 dp->bDescriptorType);
1905 continue;
1906 }
1907 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1908 iot[i].d.desc = dp;
1909 if (i > ndps)
1910 ndps = i;
1911 }
1912 ndps++;
1913
1914 /* construct io_terminal */
1915 for (i = 0; i < ndps; i++) {
1916 dp = iot[i].d.desc;
1917 if (dp == NULL)
1918 continue;
1919 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1920 continue;
1921 pot = iot[i].d.ot;
1922 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1923 if (tml != NULL)
1924 free(tml, M_TEMP);
1925 }
1926
1927 #ifdef UAUDIO_DEBUG
1928 for (i = 0; i < 256; i++) {
1929 struct usb_audio_cluster cluster;
1930
1931 if (iot[i].d.desc == NULL)
1932 continue;
1933 printf("id %d:\t", i);
1934 switch (iot[i].d.desc->bDescriptorSubtype) {
1935 case UDESCSUB_AC_INPUT:
1936 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1937 (UGETW(iot[i].d.it->wTerminalType)));
1938 printf("\t");
1939 cluster = uaudio_get_cluster(i, iot);
1940 uaudio_dump_cluster(&cluster);
1941 printf("\n");
1942 break;
1943 case UDESCSUB_AC_OUTPUT:
1944 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1945 (UGETW(iot[i].d.ot->wTerminalType)));
1946 printf("src=%d\n", iot[i].d.ot->bSourceId);
1947 break;
1948 case UDESCSUB_AC_MIXER:
1949 printf("AC_MIXER src=");
1950 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1951 printf("%d ", iot[i].d.mu->baSourceId[j]);
1952 printf("\n\t");
1953 cluster = uaudio_get_cluster(i, iot);
1954 uaudio_dump_cluster(&cluster);
1955 printf("\n");
1956 break;
1957 case UDESCSUB_AC_SELECTOR:
1958 printf("AC_SELECTOR src=");
1959 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1960 printf("%d ", iot[i].d.su->baSourceId[j]);
1961 printf("\n");
1962 break;
1963 case UDESCSUB_AC_FEATURE:
1964 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1965 break;
1966 case UDESCSUB_AC_PROCESSING:
1967 printf("AC_PROCESSING src=");
1968 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1969 printf("%d ", iot[i].d.pu->baSourceId[j]);
1970 printf("\n\t");
1971 cluster = uaudio_get_cluster(i, iot);
1972 uaudio_dump_cluster(&cluster);
1973 printf("\n");
1974 break;
1975 case UDESCSUB_AC_EXTENSION:
1976 printf("AC_EXTENSION src=");
1977 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1978 printf("%d ", iot[i].d.eu->baSourceId[j]);
1979 printf("\n\t");
1980 cluster = uaudio_get_cluster(i, iot);
1981 uaudio_dump_cluster(&cluster);
1982 printf("\n");
1983 break;
1984 default:
1985 printf("unknown audio control (subtype=%d)\n",
1986 iot[i].d.desc->bDescriptorSubtype);
1987 }
1988 for (j = 0; j < iot[i].inputs_size; j++) {
1989 int k;
1990 printf("\tinput%d: ", j);
1991 tml = iot[i].inputs[j];
1992 if (tml == NULL) {
1993 printf("NULL\n");
1994 continue;
1995 }
1996 for (k = 0; k < tml->size; k++)
1997 printf("%s ", uaudio_get_terminal_name
1998 (tml->terminals[k]));
1999 printf("\n");
2000 }
2001 printf("\toutput: ");
2002 tml = iot[i].output;
2003 for (j = 0; j < tml->size; j++)
2004 printf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
2005 printf("\n");
2006 }
2007 #endif
2008
2009 for (i = 0; i < ndps; i++) {
2010 dp = iot[i].d.desc;
2011 if (dp == NULL)
2012 continue;
2013 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
2014 i, dp->bDescriptorSubtype));
2015 switch (dp->bDescriptorSubtype) {
2016 case UDESCSUB_AC_HEADER:
2017 aprint_error("uaudio_identify_ac: unexpected AC header\n");
2018 break;
2019 case UDESCSUB_AC_INPUT:
2020 uaudio_add_input(sc, iot, i);
2021 break;
2022 case UDESCSUB_AC_OUTPUT:
2023 uaudio_add_output(sc, iot, i);
2024 break;
2025 case UDESCSUB_AC_MIXER:
2026 uaudio_add_mixer(sc, iot, i);
2027 break;
2028 case UDESCSUB_AC_SELECTOR:
2029 uaudio_add_selector(sc, iot, i);
2030 break;
2031 case UDESCSUB_AC_FEATURE:
2032 uaudio_add_feature(sc, iot, i);
2033 break;
2034 case UDESCSUB_AC_PROCESSING:
2035 uaudio_add_processing(sc, iot, i);
2036 break;
2037 case UDESCSUB_AC_EXTENSION:
2038 uaudio_add_extension(sc, iot, i);
2039 break;
2040 default:
2041 aprint_error(
2042 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2043 dp->bDescriptorSubtype);
2044 break;
2045 }
2046 }
2047
2048 /* delete io_terminal */
2049 for (i = 0; i < 256; i++) {
2050 if (iot[i].d.desc == NULL)
2051 continue;
2052 if (iot[i].inputs != NULL) {
2053 for (j = 0; j < iot[i].inputs_size; j++) {
2054 if (iot[i].inputs[j] != NULL)
2055 free(iot[i].inputs[j], M_TEMP);
2056 }
2057 free(iot[i].inputs, M_TEMP);
2058 }
2059 if (iot[i].output != NULL)
2060 free(iot[i].output, M_TEMP);
2061 iot[i].d.desc = NULL;
2062 }
2063 free(iot, M_TEMP);
2064
2065 return USBD_NORMAL_COMPLETION;
2066 }
2067
2068 Static int
2069 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2070 {
2071 struct uaudio_softc *sc;
2072 struct mixerctl *mc;
2073 int n, nctls, i;
2074
2075 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2076 sc = addr;
2077 if (sc->sc_dying)
2078 return EIO;
2079
2080 n = mi->index;
2081 nctls = sc->sc_nctls;
2082
2083 switch (n) {
2084 case UAC_OUTPUT:
2085 mi->type = AUDIO_MIXER_CLASS;
2086 mi->mixer_class = UAC_OUTPUT;
2087 mi->next = mi->prev = AUDIO_MIXER_LAST;
2088 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2089 return 0;
2090 case UAC_INPUT:
2091 mi->type = AUDIO_MIXER_CLASS;
2092 mi->mixer_class = UAC_INPUT;
2093 mi->next = mi->prev = AUDIO_MIXER_LAST;
2094 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2095 return 0;
2096 case UAC_EQUAL:
2097 mi->type = AUDIO_MIXER_CLASS;
2098 mi->mixer_class = UAC_EQUAL;
2099 mi->next = mi->prev = AUDIO_MIXER_LAST;
2100 strlcpy(mi->label.name, AudioCequalization,
2101 sizeof(mi->label.name));
2102 return 0;
2103 case UAC_RECORD:
2104 mi->type = AUDIO_MIXER_CLASS;
2105 mi->mixer_class = UAC_RECORD;
2106 mi->next = mi->prev = AUDIO_MIXER_LAST;
2107 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2108 return 0;
2109 default:
2110 break;
2111 }
2112
2113 n -= UAC_NCLASSES;
2114 if (n < 0 || n >= nctls)
2115 return ENXIO;
2116
2117 mc = &sc->sc_ctls[n];
2118 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2119 mi->mixer_class = mc->class;
2120 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2121 switch (mc->type) {
2122 case MIX_ON_OFF:
2123 mi->type = AUDIO_MIXER_ENUM;
2124 mi->un.e.num_mem = 2;
2125 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2126 sizeof(mi->un.e.member[0].label.name));
2127 mi->un.e.member[0].ord = 0;
2128 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2129 sizeof(mi->un.e.member[1].label.name));
2130 mi->un.e.member[1].ord = 1;
2131 break;
2132 case MIX_SELECTOR:
2133 mi->type = AUDIO_MIXER_ENUM;
2134 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2135 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2136 snprintf(mi->un.e.member[i].label.name,
2137 sizeof(mi->un.e.member[i].label.name),
2138 "%d", i + mc->minval);
2139 mi->un.e.member[i].ord = i + mc->minval;
2140 }
2141 break;
2142 default:
2143 mi->type = AUDIO_MIXER_VALUE;
2144 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2145 mi->un.v.num_channels = mc->nchan;
2146 mi->un.v.delta = mc->delta;
2147 break;
2148 }
2149 return 0;
2150 }
2151
2152 Static int
2153 uaudio_open(void *addr, int flags)
2154 {
2155 struct uaudio_softc *sc;
2156
2157 sc = addr;
2158 DPRINTF(("uaudio_open: sc=%p\n", sc));
2159 if (sc->sc_dying)
2160 return EIO;
2161
2162 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2163 return EACCES;
2164 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2165 return EACCES;
2166
2167 return 0;
2168 }
2169
2170 /*
2171 * Close function is called at splaudio().
2172 */
2173 Static void
2174 uaudio_close(void *addr)
2175 {
2176 }
2177
2178 Static int
2179 uaudio_drain(void *addr)
2180 {
2181 struct uaudio_softc *sc;
2182
2183 sc = addr;
2184 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2185
2186 return 0;
2187 }
2188
2189 Static int
2190 uaudio_halt_out_dma(void *addr)
2191 {
2192 struct uaudio_softc *sc;
2193
2194 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2195 sc = addr;
2196 if (sc->sc_playchan.pipe != NULL) {
2197 uaudio_chan_close(sc, &sc->sc_playchan);
2198 sc->sc_playchan.pipe = NULL;
2199 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2200 sc->sc_playchan.intr = NULL;
2201 }
2202 return 0;
2203 }
2204
2205 Static int
2206 uaudio_halt_in_dma(void *addr)
2207 {
2208 struct uaudio_softc *sc;
2209
2210 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2211 sc = addr;
2212 if (sc->sc_recchan.pipe != NULL) {
2213 uaudio_chan_close(sc, &sc->sc_recchan);
2214 sc->sc_recchan.pipe = NULL;
2215 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2216 sc->sc_recchan.intr = NULL;
2217 }
2218 return 0;
2219 }
2220
2221 Static int
2222 uaudio_getdev(void *addr, struct audio_device *retp)
2223 {
2224 struct uaudio_softc *sc;
2225
2226 DPRINTF(("uaudio_mixer_getdev:\n"));
2227 sc = addr;
2228 if (sc->sc_dying)
2229 return EIO;
2230
2231 *retp = sc->sc_adev;
2232 return 0;
2233 }
2234
2235 /*
2236 * Make sure the block size is large enough to hold all outstanding transfers.
2237 */
2238 Static int
2239 uaudio_round_blocksize(void *addr, int blk,
2240 int mode, const audio_params_t *param)
2241 {
2242 struct uaudio_softc *sc;
2243 int b;
2244
2245 sc = addr;
2246 DPRINTF(("uaudio_round_blocksize: blk=%d mode=%s\n", blk,
2247 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"));
2248
2249 /* chan.bytes_per_frame can be 0. */
2250 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2251 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2252
2253 /*
2254 * This does not make accurate value in the case
2255 * of b % USB_FRAMES_PER_SECOND != 0
2256 */
2257 b /= USB_FRAMES_PER_SECOND;
2258
2259 b *= param->precision / 8 * param->channels;
2260 } else {
2261 /*
2262 * use wMaxPacketSize in bytes_per_frame.
2263 * See uaudio_set_params() and uaudio_chan_init()
2264 */
2265 b = sc->sc_recchan.bytes_per_frame
2266 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2267 }
2268
2269 if (b <= 0)
2270 b = 1;
2271 blk = blk <= b ? b : blk / b * b;
2272
2273 #ifdef DIAGNOSTIC
2274 if (blk <= 0) {
2275 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk);
2276 blk = 512;
2277 }
2278 #endif
2279
2280 DPRINTF(("uaudio_round_blocksize: resultant blk=%d\n", blk));
2281 return blk;
2282 }
2283
2284 Static int
2285 uaudio_get_props(void *addr)
2286 {
2287 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2288
2289 }
2290
2291 Static int
2292 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2293 int wIndex, int len)
2294 {
2295 usb_device_request_t req;
2296 u_int8_t data[4];
2297 usbd_status err;
2298 int val;
2299
2300 if (wValue == -1)
2301 return 0;
2302
2303 req.bmRequestType = type;
2304 req.bRequest = which;
2305 USETW(req.wValue, wValue);
2306 USETW(req.wIndex, wIndex);
2307 USETW(req.wLength, len);
2308 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2309 "wIndex=0x%04x len=%d\n",
2310 type, which, wValue, wIndex, len));
2311 err = usbd_do_request(sc->sc_udev, &req, data);
2312 if (err) {
2313 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2314 return -1;
2315 }
2316 switch (len) {
2317 case 1:
2318 val = data[0];
2319 break;
2320 case 2:
2321 val = data[0] | (data[1] << 8);
2322 break;
2323 default:
2324 DPRINTF(("uaudio_get: bad length=%d\n", len));
2325 return -1;
2326 }
2327 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2328 return val;
2329 }
2330
2331 Static void
2332 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2333 int wIndex, int len, int val)
2334 {
2335 usb_device_request_t req;
2336 u_int8_t data[4];
2337 usbd_status err;
2338
2339 if (wValue == -1)
2340 return;
2341
2342 req.bmRequestType = type;
2343 req.bRequest = which;
2344 USETW(req.wValue, wValue);
2345 USETW(req.wIndex, wIndex);
2346 USETW(req.wLength, len);
2347 switch (len) {
2348 case 1:
2349 data[0] = val;
2350 break;
2351 case 2:
2352 data[0] = val;
2353 data[1] = val >> 8;
2354 break;
2355 default:
2356 return;
2357 }
2358 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2359 "wIndex=0x%04x len=%d, val=%d\n",
2360 type, which, wValue, wIndex, len, val & 0xffff));
2361 err = usbd_do_request(sc->sc_udev, &req, data);
2362 #ifdef UAUDIO_DEBUG
2363 if (err)
2364 DPRINTF(("uaudio_set: err=%d\n", err));
2365 #endif
2366 }
2367
2368 Static int
2369 uaudio_signext(int type, int val)
2370 {
2371 if (!MIX_UNSIGNED(type)) {
2372 if (MIX_SIZE(type) == 2)
2373 val = (int16_t)val;
2374 else
2375 val = (int8_t)val;
2376 }
2377 return val;
2378 }
2379
2380 Static int
2381 uaudio_value2bsd(struct mixerctl *mc, int val)
2382 {
2383 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2384 mc->type, val, mc->minval, mc->maxval));
2385 if (mc->type == MIX_ON_OFF) {
2386 val = (val != 0);
2387 } else if (mc->type == MIX_SELECTOR) {
2388 if (val < mc->minval || val > mc->maxval)
2389 val = mc->minval;
2390 } else
2391 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2392 + mc->mul/2) / mc->mul;
2393 DPRINTFN(5, ("val'=%d\n", val));
2394 return val;
2395 }
2396
2397 int
2398 uaudio_bsd2value(struct mixerctl *mc, int val)
2399 {
2400 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2401 mc->type, val, mc->minval, mc->maxval));
2402 if (mc->type == MIX_ON_OFF) {
2403 val = (val != 0);
2404 } else if (mc->type == MIX_SELECTOR) {
2405 if (val < mc->minval || val > mc->maxval)
2406 val = mc->minval;
2407 } else
2408 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2409 DPRINTFN(5, ("val'=%d\n", val));
2410 return val;
2411 }
2412
2413 Static int
2414 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2415 int chan)
2416 {
2417 int val;
2418
2419 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2420 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2421 mc->wIndex, MIX_SIZE(mc->type));
2422 return uaudio_value2bsd(mc, val);
2423 }
2424
2425 Static void
2426 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2427 int chan, int val)
2428 {
2429 val = uaudio_bsd2value(mc, val);
2430 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2431 mc->wIndex, MIX_SIZE(mc->type), val);
2432 }
2433
2434 Static int
2435 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2436 {
2437 struct uaudio_softc *sc;
2438 struct mixerctl *mc;
2439 int i, n, vals[MIX_MAX_CHAN], val;
2440
2441 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2442 sc = addr;
2443 if (sc->sc_dying)
2444 return EIO;
2445
2446 n = cp->dev - UAC_NCLASSES;
2447 if (n < 0 || n >= sc->sc_nctls)
2448 return ENXIO;
2449 mc = &sc->sc_ctls[n];
2450
2451 if (mc->type == MIX_ON_OFF) {
2452 if (cp->type != AUDIO_MIXER_ENUM)
2453 return EINVAL;
2454 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2455 } else if (mc->type == MIX_SELECTOR) {
2456 if (cp->type != AUDIO_MIXER_ENUM)
2457 return EINVAL;
2458 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2459 } else {
2460 if (cp->type != AUDIO_MIXER_VALUE)
2461 return EINVAL;
2462 if (cp->un.value.num_channels != 1 &&
2463 cp->un.value.num_channels != mc->nchan)
2464 return EINVAL;
2465 for (i = 0; i < mc->nchan; i++)
2466 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2467 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2468 for (val = 0, i = 0; i < mc->nchan; i++)
2469 val += vals[i];
2470 vals[0] = val / mc->nchan;
2471 }
2472 for (i = 0; i < cp->un.value.num_channels; i++)
2473 cp->un.value.level[i] = vals[i];
2474 }
2475
2476 return 0;
2477 }
2478
2479 Static int
2480 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2481 {
2482 struct uaudio_softc *sc;
2483 struct mixerctl *mc;
2484 int i, n, vals[MIX_MAX_CHAN];
2485
2486 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2487 sc = addr;
2488 if (sc->sc_dying)
2489 return EIO;
2490
2491 n = cp->dev - UAC_NCLASSES;
2492 if (n < 0 || n >= sc->sc_nctls)
2493 return ENXIO;
2494 mc = &sc->sc_ctls[n];
2495
2496 if (mc->type == MIX_ON_OFF) {
2497 if (cp->type != AUDIO_MIXER_ENUM)
2498 return EINVAL;
2499 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2500 } else if (mc->type == MIX_SELECTOR) {
2501 if (cp->type != AUDIO_MIXER_ENUM)
2502 return EINVAL;
2503 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2504 } else {
2505 if (cp->type != AUDIO_MIXER_VALUE)
2506 return EINVAL;
2507 if (cp->un.value.num_channels == 1)
2508 for (i = 0; i < mc->nchan; i++)
2509 vals[i] = cp->un.value.level[0];
2510 else if (cp->un.value.num_channels == mc->nchan)
2511 for (i = 0; i < mc->nchan; i++)
2512 vals[i] = cp->un.value.level[i];
2513 else
2514 return EINVAL;
2515 for (i = 0; i < mc->nchan; i++)
2516 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2517 }
2518 return 0;
2519 }
2520
2521 Static int
2522 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2523 void (*intr)(void *), void *arg,
2524 const audio_params_t *param)
2525 {
2526 struct uaudio_softc *sc;
2527 struct chan *ch;
2528 usbd_status err;
2529 int i, s;
2530
2531 sc = addr;
2532 if (sc->sc_dying)
2533 return EIO;
2534
2535 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2536 "blksize=%d\n", sc, start, end, blksize));
2537 ch = &sc->sc_recchan;
2538 uaudio_chan_set_param(ch, start, end, blksize);
2539 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2540 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2541 ch->fraction));
2542
2543 err = uaudio_chan_alloc_buffers(sc, ch);
2544 if (err)
2545 return EIO;
2546
2547 err = uaudio_chan_open(sc, ch);
2548 if (err) {
2549 uaudio_chan_free_buffers(sc, ch);
2550 return EIO;
2551 }
2552
2553 ch->intr = intr;
2554 ch->arg = arg;
2555
2556 s = splusb();
2557 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2558 uaudio_chan_rtransfer(ch);
2559 splx(s);
2560
2561 return 0;
2562 }
2563
2564 Static int
2565 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2566 void (*intr)(void *), void *arg,
2567 const audio_params_t *param)
2568 {
2569 struct uaudio_softc *sc;
2570 struct chan *ch;
2571 usbd_status err;
2572 int i, s;
2573
2574 sc = addr;
2575 if (sc->sc_dying)
2576 return EIO;
2577
2578 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2579 "blksize=%d\n", sc, start, end, blksize));
2580 ch = &sc->sc_playchan;
2581 uaudio_chan_set_param(ch, start, end, blksize);
2582 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2583 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2584 ch->fraction));
2585
2586 err = uaudio_chan_alloc_buffers(sc, ch);
2587 if (err)
2588 return EIO;
2589
2590 err = uaudio_chan_open(sc, ch);
2591 if (err) {
2592 uaudio_chan_free_buffers(sc, ch);
2593 return EIO;
2594 }
2595
2596 ch->intr = intr;
2597 ch->arg = arg;
2598
2599 s = splusb();
2600 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2601 uaudio_chan_ptransfer(ch);
2602 splx(s);
2603
2604 return 0;
2605 }
2606
2607 /* Set up a pipe for a channel. */
2608 Static usbd_status
2609 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2610 {
2611 struct as_info *as;
2612 int endpt;
2613 usbd_status err;
2614
2615 as = &sc->sc_alts[ch->altidx];
2616 endpt = as->edesc->bEndpointAddress;
2617 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2618 endpt, ch->sample_rate, as->alt));
2619
2620 /* Set alternate interface corresponding to the mode. */
2621 err = usbd_set_interface(as->ifaceh, as->alt);
2622 if (err)
2623 return err;
2624
2625 /*
2626 * If just one sampling rate is supported,
2627 * no need to call uaudio_set_speed().
2628 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2629 */
2630 if (as->asf1desc->bSamFreqType != 1) {
2631 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2632 if (err) {
2633 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2634 usbd_errstr(err)));
2635 }
2636 }
2637
2638 ch->pipe = 0;
2639 ch->sync_pipe = 0;
2640 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2641 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2642 if (err)
2643 return err;
2644 if (as->edesc1 != NULL) {
2645 endpt = as->edesc1->bEndpointAddress;
2646 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2647 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2648 }
2649 return err;
2650 }
2651
2652 Static void
2653 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2654 {
2655 struct as_info *as;
2656
2657 as = &sc->sc_alts[ch->altidx];
2658 as->sc_busy = 0;
2659 AUFMT_VALIDATE(as->aformat);
2660 if (sc->sc_nullalt >= 0) {
2661 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2662 sc->sc_nullalt));
2663 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2664 }
2665 if (ch->pipe) {
2666 usbd_abort_pipe(ch->pipe);
2667 usbd_close_pipe(ch->pipe);
2668 }
2669 if (ch->sync_pipe) {
2670 usbd_abort_pipe(ch->sync_pipe);
2671 usbd_close_pipe(ch->sync_pipe);
2672 }
2673 }
2674
2675 Static usbd_status
2676 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2677 {
2678 usbd_xfer_handle xfer;
2679 void *tbuf;
2680 int i, size;
2681
2682 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2683 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2684 xfer = usbd_alloc_xfer(sc->sc_udev);
2685 if (xfer == 0)
2686 goto bad;
2687 ch->chanbufs[i].xfer = xfer;
2688 tbuf = usbd_alloc_buffer(xfer, size);
2689 if (tbuf == 0) {
2690 i++;
2691 goto bad;
2692 }
2693 ch->chanbufs[i].buffer = tbuf;
2694 ch->chanbufs[i].chan = ch;
2695 }
2696
2697 return USBD_NORMAL_COMPLETION;
2698
2699 bad:
2700 while (--i >= 0)
2701 /* implicit buffer free */
2702 usbd_free_xfer(ch->chanbufs[i].xfer);
2703 return USBD_NOMEM;
2704 }
2705
2706 Static void
2707 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2708 {
2709 int i;
2710
2711 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2712 usbd_free_xfer(ch->chanbufs[i].xfer);
2713 }
2714
2715 /* Called at splusb() */
2716 Static void
2717 uaudio_chan_ptransfer(struct chan *ch)
2718 {
2719 struct chanbuf *cb;
2720 int i, n, size, residue, total;
2721
2722 if (ch->sc->sc_dying)
2723 return;
2724
2725 /* Pick the next channel buffer. */
2726 cb = &ch->chanbufs[ch->curchanbuf];
2727 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2728 ch->curchanbuf = 0;
2729
2730 /* Compute the size of each frame in the next transfer. */
2731 residue = ch->residue;
2732 total = 0;
2733 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2734 size = ch->bytes_per_frame;
2735 residue += ch->fraction;
2736 if (residue >= USB_FRAMES_PER_SECOND) {
2737 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2738 size += ch->sample_size;
2739 residue -= USB_FRAMES_PER_SECOND;
2740 }
2741 cb->sizes[i] = size;
2742 total += size;
2743 }
2744 ch->residue = residue;
2745 cb->size = total;
2746
2747 /*
2748 * Transfer data from upper layer buffer to channel buffer, taking
2749 * care of wrapping the upper layer buffer.
2750 */
2751 n = min(total, ch->end - ch->cur);
2752 memcpy(cb->buffer, ch->cur, n);
2753 ch->cur += n;
2754 if (ch->cur >= ch->end)
2755 ch->cur = ch->start;
2756 if (total > n) {
2757 total -= n;
2758 memcpy(cb->buffer + n, ch->cur, total);
2759 ch->cur += total;
2760 }
2761
2762 #ifdef UAUDIO_DEBUG
2763 if (uaudiodebug > 8) {
2764 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2765 cb->buffer, ch->residue));
2766 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2767 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2768 }
2769 }
2770 #endif
2771
2772 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2773 /* Fill the request */
2774 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2775 UAUDIO_NFRAMES, USBD_NO_COPY,
2776 uaudio_chan_pintr);
2777
2778 (void)usbd_transfer(cb->xfer);
2779 }
2780
2781 Static void
2782 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2783 usbd_status status)
2784 {
2785 struct chanbuf *cb;
2786 struct chan *ch;
2787 uint32_t count;
2788 int s;
2789
2790 cb = priv;
2791 ch = cb->chan;
2792 /* Return if we are aborting. */
2793 if (status == USBD_CANCELLED)
2794 return;
2795
2796 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2797 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2798 count, ch->transferred));
2799 #ifdef DIAGNOSTIC
2800 if (count != cb->size) {
2801 aprint_error("uaudio_chan_pintr: count(%d) != size(%d)\n",
2802 count, cb->size);
2803 }
2804 #endif
2805
2806 ch->transferred += cb->size;
2807 s = splaudio();
2808 /* Call back to upper layer */
2809 while (ch->transferred >= ch->blksize) {
2810 ch->transferred -= ch->blksize;
2811 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2812 ch->intr, ch->arg));
2813 ch->intr(ch->arg);
2814 }
2815 splx(s);
2816
2817 /* start next transfer */
2818 uaudio_chan_ptransfer(ch);
2819 }
2820
2821 /* Called at splusb() */
2822 Static void
2823 uaudio_chan_rtransfer(struct chan *ch)
2824 {
2825 struct chanbuf *cb;
2826 int i, size, residue, total;
2827
2828 if (ch->sc->sc_dying)
2829 return;
2830
2831 /* Pick the next channel buffer. */
2832 cb = &ch->chanbufs[ch->curchanbuf];
2833 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2834 ch->curchanbuf = 0;
2835
2836 /* Compute the size of each frame in the next transfer. */
2837 residue = ch->residue;
2838 total = 0;
2839 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2840 size = ch->bytes_per_frame;
2841 cb->sizes[i] = size;
2842 cb->offsets[i] = total;
2843 total += size;
2844 }
2845 ch->residue = residue;
2846 cb->size = total;
2847
2848 #ifdef UAUDIO_DEBUG
2849 if (uaudiodebug > 8) {
2850 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2851 cb->buffer, ch->residue));
2852 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2853 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2854 }
2855 }
2856 #endif
2857
2858 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2859 /* Fill the request */
2860 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2861 UAUDIO_NFRAMES, USBD_NO_COPY,
2862 uaudio_chan_rintr);
2863
2864 (void)usbd_transfer(cb->xfer);
2865 }
2866
2867 Static void
2868 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2869 usbd_status status)
2870 {
2871 struct chanbuf *cb;
2872 struct chan *ch;
2873 uint32_t count;
2874 int s, i, n, frsize;
2875
2876 cb = priv;
2877 ch = cb->chan;
2878 /* Return if we are aborting. */
2879 if (status == USBD_CANCELLED)
2880 return;
2881
2882 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2883 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2884 count, ch->transferred));
2885
2886 /* count < cb->size is normal for asynchronous source */
2887 #ifdef DIAGNOSTIC
2888 if (count > cb->size) {
2889 aprint_error("uaudio_chan_rintr: count(%d) > size(%d)\n",
2890 count, cb->size);
2891 }
2892 #endif
2893
2894 /*
2895 * Transfer data from channel buffer to upper layer buffer, taking
2896 * care of wrapping the upper layer buffer.
2897 */
2898 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2899 frsize = cb->sizes[i];
2900 n = min(frsize, ch->end - ch->cur);
2901 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2902 ch->cur += n;
2903 if (ch->cur >= ch->end)
2904 ch->cur = ch->start;
2905 if (frsize > n) {
2906 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2907 frsize - n);
2908 ch->cur += frsize - n;
2909 }
2910 }
2911
2912 /* Call back to upper layer */
2913 ch->transferred += count;
2914 s = splaudio();
2915 while (ch->transferred >= ch->blksize) {
2916 ch->transferred -= ch->blksize;
2917 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2918 ch->intr, ch->arg));
2919 ch->intr(ch->arg);
2920 }
2921 splx(s);
2922
2923 /* start next transfer */
2924 uaudio_chan_rtransfer(ch);
2925 }
2926
2927 Static void
2928 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2929 int maxpktsize)
2930 {
2931 int samples_per_frame, sample_size;
2932
2933 ch->altidx = altidx;
2934 sample_size = param->precision * param->channels / 8;
2935 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2936 ch->sample_size = sample_size;
2937 ch->sample_rate = param->sample_rate;
2938 if (maxpktsize == 0) {
2939 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2940 ch->bytes_per_frame = samples_per_frame * sample_size;
2941 } else {
2942 ch->fraction = 0;
2943 ch->bytes_per_frame = maxpktsize;
2944 }
2945 ch->residue = 0;
2946 }
2947
2948 Static void
2949 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2950 {
2951
2952 ch->start = start;
2953 ch->end = end;
2954 ch->cur = start;
2955 ch->blksize = blksize;
2956 ch->transferred = 0;
2957 ch->curchanbuf = 0;
2958 }
2959
2960 Static int
2961 uaudio_set_params(void *addr, int setmode, int usemode,
2962 struct audio_params *play, struct audio_params *rec,
2963 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
2964 {
2965 struct uaudio_softc *sc;
2966 int paltidx, raltidx;
2967 struct audio_params *p;
2968 stream_filter_list_t *fil;
2969 int mode, i;
2970
2971 sc = addr;
2972 paltidx = -1;
2973 raltidx = -1;
2974 if (sc->sc_dying)
2975 return EIO;
2976
2977 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2978 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2979 return EBUSY;
2980
2981 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2982 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2983 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2984 }
2985 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2986 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2987 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2988 }
2989
2990 /* Some uaudio devices are unidirectional. Don't try to find a
2991 matching mode for the unsupported direction. */
2992 setmode &= sc->sc_mode;
2993
2994 for (mode = AUMODE_RECORD; mode != -1;
2995 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2996 if ((setmode & mode) == 0)
2997 continue;
2998
2999 if (mode == AUMODE_PLAY) {
3000 p = play;
3001 fil = pfil;
3002 } else {
3003 p = rec;
3004 fil = rfil;
3005 }
3006 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
3007 mode, p, TRUE, fil);
3008 if (i < 0)
3009 return EINVAL;
3010
3011 if (mode == AUMODE_PLAY)
3012 paltidx = i;
3013 else
3014 raltidx = i;
3015 }
3016
3017 if ((setmode & AUMODE_PLAY)) {
3018 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3019 /* XXX abort transfer if currently happening? */
3020 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3021 }
3022 if ((setmode & AUMODE_RECORD)) {
3023 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3024 /* XXX abort transfer if currently happening? */
3025 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3026 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3027 }
3028
3029 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3030 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3031 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3032 }
3033 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3034 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3035 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3036 }
3037
3038 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3039 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3040 (sc->sc_playchan.altidx >= 0)
3041 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3042 : -1,
3043 (sc->sc_recchan.altidx >= 0)
3044 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3045 : -1));
3046
3047 return 0;
3048 }
3049
3050 Static usbd_status
3051 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3052 {
3053 usb_device_request_t req;
3054 uint8_t data[3];
3055
3056 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3057 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3058 req.bRequest = SET_CUR;
3059 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3060 USETW(req.wIndex, endpt);
3061 USETW(req.wLength, 3);
3062 data[0] = speed;
3063 data[1] = speed >> 8;
3064 data[2] = speed >> 16;
3065
3066 return usbd_do_request(sc->sc_udev, &req, data);
3067 }
3068
3069 #ifdef _MODULE
3070
3071 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL);
3072
3073 static const struct cfiattrdata audiobuscf_iattrdata = {
3074 "audiobus", 0, { { NULL, NULL, 0 }, }
3075 };
3076 static const struct cfiattrdata * const uaudio_attrs[] = {
3077 &audiobuscf_iattrdata, NULL
3078 };
3079 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs);
3080 extern struct cfattach uaudio_ca;
3081 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = {
3082 -1/*USBIFIFCF_PORT_DEFAULT*/,
3083 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/,
3084 -1/*USBIFIFCF_INTERFACE_DEFAULT*/,
3085 -1/*USBIFIFCF_VENDOR_DEFAULT*/,
3086 -1/*USBIFIFCF_PRODUCT_DEFAULT*/,
3087 -1/*USBIFIFCF_RELEASE_DEFAULT*/};
3088 static struct cfparent uhubparent = {
3089 "usbifif", NULL, DVUNIT_ANY
3090 };
3091 static struct cfdata uaudio_cfdata[] = {
3092 {
3093 .cf_name = "uaudio",
3094 .cf_atname = "uaudio",
3095 .cf_unit = 0,
3096 .cf_fstate = FSTATE_STAR,
3097 .cf_loc = uaudioloc,
3098 .cf_flags = 0,
3099 .cf_pspec = &uhubparent,
3100 },
3101 { NULL }
3102 };
3103
3104 static int
3105 uaudio_modcmd(modcmd_t cmd, void *arg)
3106 {
3107 int err;
3108
3109 switch (cmd) {
3110 case MODULE_CMD_INIT:
3111 err = config_cfdriver_attach(&uaudio_cd);
3112 if (err) {
3113 return err;
3114 }
3115 err = config_cfattach_attach("uaudio", &uaudio_ca);
3116 if (err) {
3117 config_cfdriver_detach(&uaudio_cd);
3118 return err;
3119 }
3120 err = config_cfdata_attach(uaudio_cfdata, 1);
3121 if (err) {
3122 config_cfattach_detach("uaudio", &uaudio_ca);
3123 config_cfdriver_detach(&uaudio_cd);
3124 return err;
3125 }
3126 return 0;
3127 case MODULE_CMD_FINI:
3128 err = config_cfdata_detach(uaudio_cfdata);
3129 if (err)
3130 return err;
3131 config_cfattach_detach("uaudio", &uaudio_ca);
3132 config_cfdriver_detach(&uaudio_cd);
3133 return 0;
3134 default:
3135 return ENOTTY;
3136 }
3137 }
3138
3139 #endif
3140