uaudio.c revision 1.114 1 /* $NetBSD: uaudio.c,v 1.114 2008/06/28 09:14:56 kent Exp $ */
2
3 /*
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (lennart (at) augustsson.net) at
9 * Carlstedt Research & Technology.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
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 1.114 2008/06/28 09:14:56 kent 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/tty.h>
49 #include <sys/file.h>
50 #include <sys/reboot.h> /* for bootverbose */
51 #include <sys/select.h>
52 #include <sys/proc.h>
53 #include <sys/vnode.h>
54 #include <sys/poll.h>
55 #include <sys/module.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/usbdi_util.h>
66 #include <dev/usb/usb_quirks.h>
67
68 #include <dev/usb/uaudioreg.h>
69
70 /* #define UAUDIO_DEBUG */
71 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
72 #ifdef UAUDIO_DEBUG
73 #define DPRINTF(x) do { if (uaudiodebug) logprintf x; } while (0)
74 #define DPRINTFN(n,x) do { if (uaudiodebug>(n)) logprintf x; } while (0)
75 int uaudiodebug = 0;
76 #else
77 #define DPRINTF(x)
78 #define DPRINTFN(n,x)
79 #endif
80
81 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
82 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
83
84
85 #define MIX_MAX_CHAN 8
86 struct mixerctl {
87 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
88 uint16_t wIndex;
89 uint8_t nchan;
90 uint8_t type;
91 #define MIX_ON_OFF 1
92 #define MIX_SIGNED_16 2
93 #define MIX_UNSIGNED_16 3
94 #define MIX_SIGNED_8 4
95 #define MIX_SELECTOR 5
96 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
97 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
98 int minval, maxval;
99 u_int delta;
100 u_int mul;
101 uint8_t class;
102 char ctlname[MAX_AUDIO_DEV_LEN];
103 const char *ctlunit;
104 };
105 #define MAKE(h,l) (((h) << 8) | (l))
106
107 struct as_info {
108 uint8_t alt;
109 uint8_t encoding;
110 uint8_t attributes; /* Copy of bmAttributes of
111 * usb_audio_streaming_endpoint_descriptor
112 */
113 usbd_interface_handle ifaceh;
114 const usb_interface_descriptor_t *idesc;
115 const usb_endpoint_descriptor_audio_t *edesc;
116 const usb_endpoint_descriptor_audio_t *edesc1;
117 const struct usb_audio_streaming_type1_descriptor *asf1desc;
118 struct audio_format *aformat;
119 int sc_busy; /* currently used */
120 };
121
122 struct chan {
123 void (*intr)(void *); /* DMA completion intr handler */
124 void *arg; /* arg for intr() */
125 usbd_pipe_handle pipe;
126 usbd_pipe_handle sync_pipe;
127
128 u_int sample_size;
129 u_int sample_rate;
130 u_int bytes_per_frame;
131 u_int fraction; /* fraction/1000 is the extra samples/frame */
132 u_int residue; /* accumulates the fractional samples */
133
134 u_char *start; /* upper layer buffer start */
135 u_char *end; /* upper layer buffer end */
136 u_char *cur; /* current position in upper layer buffer */
137 int blksize; /* chunk size to report up */
138 int transferred; /* transferred bytes not reported up */
139
140 int altidx; /* currently used altidx */
141
142 int curchanbuf;
143 struct chanbuf {
144 struct chan *chan;
145 usbd_xfer_handle xfer;
146 u_char *buffer;
147 uint16_t sizes[UAUDIO_NFRAMES];
148 uint16_t offsets[UAUDIO_NFRAMES];
149 uint16_t size;
150 } chanbufs[UAUDIO_NCHANBUFS];
151
152 struct uaudio_softc *sc; /* our softc */
153 };
154
155 struct uaudio_softc {
156 USBBASEDEVICE sc_dev; /* base device */
157 usbd_device_handle sc_udev; /* USB device */
158 int sc_ac_iface; /* Audio Control interface */
159 usbd_interface_handle sc_ac_ifaceh;
160 struct chan sc_playchan; /* play channel */
161 struct chan sc_recchan; /* record channel */
162 int sc_nullalt;
163 int sc_audio_rev;
164 struct as_info *sc_alts; /* alternate settings */
165 int sc_nalts; /* # of alternate settings */
166 int sc_altflags;
167 #define HAS_8 0x01
168 #define HAS_16 0x02
169 #define HAS_8U 0x04
170 #define HAS_ALAW 0x08
171 #define HAS_MULAW 0x10
172 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
173 #define HAS_24 0x40
174 int sc_mode; /* play/record capability */
175 struct mixerctl *sc_ctls; /* mixer controls */
176 int sc_nctls; /* # of mixer controls */
177 device_ptr_t sc_audiodev;
178 struct audio_format *sc_formats;
179 int sc_nformats;
180 struct audio_encoding_set *sc_encodings;
181 u_int sc_channel_config;
182 char sc_dying;
183 };
184
185 struct terminal_list {
186 int size;
187 uint16_t terminals[1];
188 };
189 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
190 + sizeof(uint16_t) * (N))
191
192 struct io_terminal {
193 union {
194 const uaudio_cs_descriptor_t *desc;
195 const struct usb_audio_input_terminal *it;
196 const struct usb_audio_output_terminal *ot;
197 const struct usb_audio_mixer_unit *mu;
198 const struct usb_audio_selector_unit *su;
199 const struct usb_audio_feature_unit *fu;
200 const struct usb_audio_processing_unit *pu;
201 const struct usb_audio_extension_unit *eu;
202 } d;
203 int inputs_size;
204 struct terminal_list **inputs; /* list of source input terminals */
205 struct terminal_list *output; /* list of destination output terminals */
206 int direct; /* directly connected to an output terminal */
207 };
208
209 #define UAC_OUTPUT 0
210 #define UAC_INPUT 1
211 #define UAC_EQUAL 2
212 #define UAC_RECORD 3
213 #define UAC_NCLASSES 4
214 #ifdef UAUDIO_DEBUG
215 Static const char *uac_names[] = {
216 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
217 };
218 #endif
219
220 Static usbd_status uaudio_identify_ac
221 (struct uaudio_softc *, const usb_config_descriptor_t *);
222 Static usbd_status uaudio_identify_as
223 (struct uaudio_softc *, const usb_config_descriptor_t *);
224 Static usbd_status uaudio_process_as
225 (struct uaudio_softc *, const char *, int *, int,
226 const usb_interface_descriptor_t *);
227
228 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *);
229
230 Static const usb_interface_descriptor_t *uaudio_find_iface
231 (const char *, int, int *, int);
232
233 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *);
234 Static char *uaudio_id_name
235 (struct uaudio_softc *, const struct io_terminal *, int);
236 #ifdef UAUDIO_DEBUG
237 Static void uaudio_dump_cluster(const struct usb_audio_cluster *);
238 #endif
239 Static struct usb_audio_cluster uaudio_get_cluster
240 (int, const struct io_terminal *);
241 Static void uaudio_add_input
242 (struct uaudio_softc *, const struct io_terminal *, int);
243 Static void uaudio_add_output
244 (struct uaudio_softc *, const struct io_terminal *, int);
245 Static void uaudio_add_mixer
246 (struct uaudio_softc *, const struct io_terminal *, int);
247 Static void uaudio_add_selector
248 (struct uaudio_softc *, const struct io_terminal *, int);
249 #ifdef UAUDIO_DEBUG
250 Static const char *uaudio_get_terminal_name(int);
251 #endif
252 Static int uaudio_determine_class
253 (const struct io_terminal *, struct mixerctl *);
254 Static const char *uaudio_feature_name
255 (const struct io_terminal *, struct mixerctl *);
256 Static void uaudio_add_feature
257 (struct uaudio_softc *, const struct io_terminal *, int);
258 Static void uaudio_add_processing_updown
259 (struct uaudio_softc *, const struct io_terminal *, int);
260 Static void uaudio_add_processing
261 (struct uaudio_softc *, const struct io_terminal *, int);
262 Static void uaudio_add_extension
263 (struct uaudio_softc *, const struct io_terminal *, int);
264 Static struct terminal_list *uaudio_merge_terminal_list
265 (const struct io_terminal *);
266 Static struct terminal_list *uaudio_io_terminaltype
267 (int, struct io_terminal *, int);
268 Static usbd_status uaudio_identify
269 (struct uaudio_softc *, const usb_config_descriptor_t *);
270
271 Static int uaudio_signext(int, int);
272 Static int uaudio_value2bsd(struct mixerctl *, int);
273 Static int uaudio_bsd2value(struct mixerctl *, int);
274 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int);
275 Static int uaudio_ctl_get
276 (struct uaudio_softc *, int, struct mixerctl *, int);
277 Static void uaudio_set
278 (struct uaudio_softc *, int, int, int, int, int, int);
279 Static void uaudio_ctl_set
280 (struct uaudio_softc *, int, struct mixerctl *, int, int);
281
282 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int);
283
284 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *);
285 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
286 Static usbd_status uaudio_chan_alloc_buffers
287 (struct uaudio_softc *, struct chan *);
288 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
289 Static void uaudio_chan_init
290 (struct chan *, int, const struct audio_params *, int);
291 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
292 Static void uaudio_chan_ptransfer(struct chan *);
293 Static void uaudio_chan_pintr
294 (usbd_xfer_handle, usbd_private_handle, usbd_status);
295
296 Static void uaudio_chan_rtransfer(struct chan *);
297 Static void uaudio_chan_rintr
298 (usbd_xfer_handle, usbd_private_handle, usbd_status);
299
300 Static int uaudio_open(void *, int);
301 Static void uaudio_close(void *);
302 Static int uaudio_drain(void *);
303 Static int uaudio_query_encoding(void *, struct audio_encoding *);
304 Static int uaudio_set_params
305 (void *, int, int, struct audio_params *, struct audio_params *,
306 stream_filter_list_t *, stream_filter_list_t *);
307 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
308 Static int uaudio_trigger_output
309 (void *, void *, void *, int, void (*)(void *), void *,
310 const audio_params_t *);
311 Static int uaudio_trigger_input
312 (void *, void *, void *, int, void (*)(void *), void *,
313 const audio_params_t *);
314 Static int uaudio_halt_in_dma(void *);
315 Static int uaudio_halt_out_dma(void *);
316 Static int uaudio_getdev(void *, struct audio_device *);
317 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
318 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
319 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
320 Static int uaudio_get_props(void *);
321
322 Static const struct audio_hw_if uaudio_hw_if = {
323 uaudio_open,
324 uaudio_close,
325 uaudio_drain,
326 uaudio_query_encoding,
327 uaudio_set_params,
328 uaudio_round_blocksize,
329 NULL,
330 NULL,
331 NULL,
332 NULL,
333 NULL,
334 uaudio_halt_out_dma,
335 uaudio_halt_in_dma,
336 NULL,
337 uaudio_getdev,
338 NULL,
339 uaudio_mixer_set_port,
340 uaudio_mixer_get_port,
341 uaudio_query_devinfo,
342 NULL,
343 NULL,
344 NULL,
345 NULL,
346 uaudio_get_props,
347 uaudio_trigger_output,
348 uaudio_trigger_input,
349 NULL,
350 NULL,
351 };
352
353 Static struct audio_device uaudio_device = {
354 "USB audio",
355 "",
356 "uaudio"
357 };
358
359 int uaudio_match(device_t, cfdata_t, void *);
360 void uaudio_attach(device_t, device_t, void *);
361 int uaudio_detach(device_t, int);
362 void uaudio_childdet(device_t, device_t);
363 int uaudio_activate(device_t, enum devact);
364
365 extern struct cfdriver uaudio_cd;
366
367 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc),
368 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL,
369 uaudio_childdet);
370
371 USB_MATCH(uaudio)
372 {
373 USB_IFMATCH_START(uaudio, uaa);
374
375 /* Trigger on the control interface. */
376 if (uaa->class != UICLASS_AUDIO ||
377 uaa->subclass != UISUBCLASS_AUDIOCONTROL ||
378 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
379 return UMATCH_NONE;
380
381 return UMATCH_IFACECLASS_IFACESUBCLASS;
382 }
383
384 USB_ATTACH(uaudio)
385 {
386 USB_IFATTACH_START(uaudio, sc, uaa);
387 usb_interface_descriptor_t *id;
388 usb_config_descriptor_t *cdesc;
389 char *devinfop;
390 usbd_status err;
391 int i, j, found;
392
393 sc->sc_dev = self;
394
395 devinfop = usbd_devinfo_alloc(uaa->device, 0);
396 aprint_normal(": %s\n", devinfop);
397 aprint_naive("\n");
398 usbd_devinfo_free(devinfop);
399
400 sc->sc_udev = uaa->device;
401
402 cdesc = usbd_get_config_descriptor(sc->sc_udev);
403 if (cdesc == NULL) {
404 aprint_error_dev(self,
405 "failed to get configuration descriptor\n");
406 USB_ATTACH_ERROR_RETURN;
407 }
408
409 err = uaudio_identify(sc, cdesc);
410 if (err) {
411 aprint_error_dev(self,
412 "audio descriptors make no sense, error=%d\n", err);
413 USB_ATTACH_ERROR_RETURN;
414 }
415
416 sc->sc_ac_ifaceh = uaa->iface;
417 /* Pick up the AS interface. */
418 for (i = 0; i < uaa->nifaces; i++) {
419 if (uaa->ifaces[i] == NULL)
420 continue;
421 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
422 if (id == NULL)
423 continue;
424 found = 0;
425 for (j = 0; j < sc->sc_nalts; j++) {
426 if (id->bInterfaceNumber ==
427 sc->sc_alts[j].idesc->bInterfaceNumber) {
428 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
429 found = 1;
430 }
431 }
432 if (found)
433 uaa->ifaces[i] = NULL;
434 }
435
436 for (j = 0; j < sc->sc_nalts; j++) {
437 if (sc->sc_alts[j].ifaceh == NULL) {
438 aprint_error_dev(self,
439 "alt %d missing AS interface(s)\n", j);
440 USB_ATTACH_ERROR_RETURN;
441 }
442 }
443
444 aprint_normal_dev(self, "audio rev %d.%02x\n",
445 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
446
447 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
448 sc->sc_playchan.altidx = -1;
449 sc->sc_recchan.altidx = -1;
450
451 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
452 sc->sc_altflags |= UA_NOFRAC;
453
454 #ifndef UAUDIO_DEBUG
455 if (bootverbose)
456 #endif
457 aprint_normal_dev(self, "%d mixer controls\n",
458 sc->sc_nctls);
459
460 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
461 USBDEV(sc->sc_dev));
462
463 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
464 #if defined(__OpenBSD__)
465 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
466 #else
467 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev);
468 #endif
469
470 USB_ATTACH_SUCCESS_RETURN;
471 }
472
473 int
474 uaudio_activate(device_ptr_t self, enum devact act)
475 {
476 struct uaudio_softc *sc;
477 int rv;
478
479 sc = device_private(self);
480 rv = 0;
481 switch (act) {
482 case DVACT_ACTIVATE:
483 return EOPNOTSUPP;
484
485 case DVACT_DEACTIVATE:
486 if (sc->sc_audiodev != NULL)
487 rv = config_deactivate(sc->sc_audiodev);
488 sc->sc_dying = 1;
489 break;
490 }
491 return rv;
492 }
493
494 void
495 uaudio_childdet(device_t self, device_t child)
496 {
497 struct uaudio_softc *sc = device_private(self);
498
499 KASSERT(sc->sc_audiodev == child);
500 sc->sc_audiodev = NULL;
501 }
502
503 int
504 uaudio_detach(device_t self, int flags)
505 {
506 struct uaudio_softc *sc = device_private(self);
507 int rv;
508
509 rv = 0;
510 /* Wait for outstanding requests to complete. */
511 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
512
513 if (sc->sc_audiodev != NULL)
514 rv = config_detach(sc->sc_audiodev, flags);
515
516 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
517 USBDEV(sc->sc_dev));
518
519 if (sc->sc_formats != NULL)
520 free(sc->sc_formats, M_USBDEV);
521 auconv_delete_encodings(sc->sc_encodings);
522 return rv;
523 }
524
525 Static int
526 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
527 {
528 struct uaudio_softc *sc;
529 int flags;
530
531 sc = addr;
532 flags = sc->sc_altflags;
533 if (sc->sc_dying)
534 return EIO;
535
536 if (sc->sc_nalts == 0 || flags == 0)
537 return ENXIO;
538
539 return auconv_query_encoding(sc->sc_encodings, fp);
540 }
541
542 Static const usb_interface_descriptor_t *
543 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
544 {
545 const usb_interface_descriptor_t *d;
546
547 while (*offsp < size) {
548 d = (const void *)(tbuf + *offsp);
549 *offsp += d->bLength;
550 if (d->bDescriptorType == UDESC_INTERFACE &&
551 d->bInterfaceClass == UICLASS_AUDIO &&
552 d->bInterfaceSubClass == subtype)
553 return d;
554 }
555 return NULL;
556 }
557
558 Static void
559 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
560 {
561 int res;
562 size_t len;
563 struct mixerctl *nmc;
564
565 if (mc->class < UAC_NCLASSES) {
566 DPRINTF(("%s: adding %s.%s\n",
567 __func__, uac_names[mc->class], mc->ctlname));
568 } else {
569 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
570 }
571 len = sizeof(*mc) * (sc->sc_nctls + 1);
572 nmc = malloc(len, M_USBDEV, M_NOWAIT);
573 if (nmc == NULL) {
574 aprint_error("uaudio_mixer_add_ctl: no memory\n");
575 return;
576 }
577 /* Copy old data, if there was any */
578 if (sc->sc_nctls != 0) {
579 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
580 free(sc->sc_ctls, M_USBDEV);
581 }
582 sc->sc_ctls = nmc;
583
584 mc->delta = 0;
585 if (mc->type == MIX_ON_OFF) {
586 mc->minval = 0;
587 mc->maxval = 1;
588 } else if (mc->type == MIX_SELECTOR) {
589 ;
590 } else {
591 /* Determine min and max values. */
592 mc->minval = uaudio_signext(mc->type,
593 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
594 mc->wValue[0], mc->wIndex,
595 MIX_SIZE(mc->type)));
596 mc->maxval = 1 + uaudio_signext(mc->type,
597 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
598 mc->wValue[0], mc->wIndex,
599 MIX_SIZE(mc->type)));
600 mc->mul = mc->maxval - mc->minval;
601 if (mc->mul == 0)
602 mc->mul = 1;
603 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
604 mc->wValue[0], mc->wIndex,
605 MIX_SIZE(mc->type));
606 if (res > 0)
607 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
608 }
609
610 sc->sc_ctls[sc->sc_nctls++] = *mc;
611
612 #ifdef UAUDIO_DEBUG
613 if (uaudiodebug > 2) {
614 int i;
615 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
616 for (i = 1; i < mc->nchan; i++)
617 DPRINTF((",%04x", mc->wValue[i]));
618 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
619 "min=%d max=%d\n",
620 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
621 mc->minval, mc->maxval));
622 }
623 #endif
624 }
625
626 Static char *
627 uaudio_id_name(struct uaudio_softc *sc,
628 const struct io_terminal *iot, int id)
629 {
630 static char tbuf[32];
631
632 snprintf(tbuf, sizeof(tbuf), "i%d", id);
633 return tbuf;
634 }
635
636 #ifdef UAUDIO_DEBUG
637 Static void
638 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
639 {
640 static const char *channel_names[16] = {
641 "LEFT", "RIGHT", "CENTER", "LFE",
642 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
643 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
644 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
645 };
646 int cc, i, first;
647
648 cc = UGETW(cl->wChannelConfig);
649 logprintf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
650 cl->bNrChannels, cc);
651 first = TRUE;
652 for (i = 0; cc != 0; i++) {
653 if (cc & 1) {
654 logprintf("%c%s", first ? '<' : ',', channel_names[i]);
655 first = FALSE;
656 }
657 cc = cc >> 1;
658 }
659 logprintf("> iChannelNames=%u", cl->iChannelNames);
660 }
661 #endif
662
663 Static struct usb_audio_cluster
664 uaudio_get_cluster(int id, const struct io_terminal *iot)
665 {
666 struct usb_audio_cluster r;
667 const uaudio_cs_descriptor_t *dp;
668 int i;
669
670 for (i = 0; i < 25; i++) { /* avoid infinite loops */
671 dp = iot[id].d.desc;
672 if (dp == 0)
673 goto bad;
674 switch (dp->bDescriptorSubtype) {
675 case UDESCSUB_AC_INPUT:
676 r.bNrChannels = iot[id].d.it->bNrChannels;
677 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
678 r.iChannelNames = iot[id].d.it->iChannelNames;
679 return r;
680 case UDESCSUB_AC_OUTPUT:
681 id = iot[id].d.ot->bSourceId;
682 break;
683 case UDESCSUB_AC_MIXER:
684 r = *(const struct usb_audio_cluster *)
685 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
686 return r;
687 case UDESCSUB_AC_SELECTOR:
688 /* XXX This is not really right */
689 id = iot[id].d.su->baSourceId[0];
690 break;
691 case UDESCSUB_AC_FEATURE:
692 id = iot[id].d.fu->bSourceId;
693 break;
694 case UDESCSUB_AC_PROCESSING:
695 r = *(const struct usb_audio_cluster *)
696 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
697 return r;
698 case UDESCSUB_AC_EXTENSION:
699 r = *(const struct usb_audio_cluster *)
700 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
701 return r;
702 default:
703 goto bad;
704 }
705 }
706 bad:
707 aprint_error("uaudio_get_cluster: bad data\n");
708 memset(&r, 0, sizeof r);
709 return r;
710
711 }
712
713 Static void
714 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
715 {
716 const struct usb_audio_input_terminal *d;
717
718 d = iot[id].d.it;
719 #ifdef UAUDIO_DEBUG
720 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
721 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
722 "iChannelNames=%d iTerminal=%d\n",
723 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
724 d->bNrChannels, UGETW(d->wChannelConfig),
725 d->iChannelNames, d->iTerminal));
726 #endif
727 /* If USB input terminal, record wChannelConfig */
728 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
729 return;
730 sc->sc_channel_config = UGETW(d->wChannelConfig);
731 }
732
733 Static void
734 uaudio_add_output(struct uaudio_softc *sc,
735 const struct io_terminal *iot, int id)
736 {
737 #ifdef UAUDIO_DEBUG
738 const struct usb_audio_output_terminal *d;
739
740 d = iot[id].d.ot;
741 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
742 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
743 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
744 d->bSourceId, d->iTerminal));
745 #endif
746 }
747
748 Static void
749 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
750 {
751 const struct usb_audio_mixer_unit *d;
752 const struct usb_audio_mixer_unit_1 *d1;
753 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
754 const uByte *bm;
755 struct mixerctl mix;
756
757 d = iot[id].d.mu;
758 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
759 d->bUnitId, d->bNrInPins));
760
761 /* Compute the number of input channels */
762 ichs = 0;
763 for (i = 0; i < d->bNrInPins; i++)
764 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
765
766 /* and the number of output channels */
767 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
768 ochs = d1->bNrChannels;
769 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
770
771 bm = d1->bmControls;
772 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
773 uaudio_determine_class(&iot[id], &mix);
774 mix.type = MIX_SIGNED_16;
775 mix.ctlunit = AudioNvolume;
776 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
777 for (p = i = 0; i < d->bNrInPins; i++) {
778 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
779 mc = 0;
780 for (c = 0; c < chs; c++) {
781 mo = 0;
782 for (o = 0; o < ochs; o++) {
783 bno = (p + c) * ochs + o;
784 if (_BIT(bno))
785 mo++;
786 }
787 if (mo == 1)
788 mc++;
789 }
790 if (mc == chs && chs <= MIX_MAX_CHAN) {
791 k = 0;
792 for (c = 0; c < chs; c++)
793 for (o = 0; o < ochs; o++) {
794 bno = (p + c) * ochs + o;
795 if (_BIT(bno))
796 mix.wValue[k++] =
797 MAKE(p+c+1, o+1);
798 }
799 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
800 d->bUnitId, uaudio_id_name(sc, iot,
801 d->baSourceId[i]));
802 mix.nchan = chs;
803 uaudio_mixer_add_ctl(sc, &mix);
804 } else {
805 /* XXX */
806 }
807 #undef _BIT
808 p += chs;
809 }
810
811 }
812
813 Static void
814 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
815 {
816 const struct usb_audio_selector_unit *d;
817 struct mixerctl mix;
818 int i, wp;
819
820 d = iot[id].d.su;
821 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
822 d->bUnitId, d->bNrInPins));
823 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
824 mix.wValue[0] = MAKE(0, 0);
825 uaudio_determine_class(&iot[id], &mix);
826 mix.nchan = 1;
827 mix.type = MIX_SELECTOR;
828 mix.ctlunit = "";
829 mix.minval = 1;
830 mix.maxval = d->bNrInPins;
831 mix.mul = mix.maxval - mix.minval;
832 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
833 for (i = 1; i <= d->bNrInPins; i++) {
834 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
835 "i%d", d->baSourceId[i - 1]);
836 if (wp > MAX_AUDIO_DEV_LEN - 1)
837 break;
838 }
839 uaudio_mixer_add_ctl(sc, &mix);
840 }
841
842 #ifdef UAUDIO_DEBUG
843 Static const char *
844 uaudio_get_terminal_name(int terminal_type)
845 {
846 static char tbuf[100];
847
848 switch (terminal_type) {
849 /* USB terminal types */
850 case UAT_UNDEFINED: return "UAT_UNDEFINED";
851 case UAT_STREAM: return "UAT_STREAM";
852 case UAT_VENDOR: return "UAT_VENDOR";
853 /* input terminal types */
854 case UATI_UNDEFINED: return "UATI_UNDEFINED";
855 case UATI_MICROPHONE: return "UATI_MICROPHONE";
856 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
857 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
858 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
859 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
860 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
861 /* output terminal types */
862 case UATO_UNDEFINED: return "UATO_UNDEFINED";
863 case UATO_SPEAKER: return "UATO_SPEAKER";
864 case UATO_HEADPHONES: return "UATO_HEADPHONES";
865 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
866 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
867 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
868 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
869 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
870 /* bidir terminal types */
871 case UATB_UNDEFINED: return "UATB_UNDEFINED";
872 case UATB_HANDSET: return "UATB_HANDSET";
873 case UATB_HEADSET: return "UATB_HEADSET";
874 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
875 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
876 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
877 /* telephony terminal types */
878 case UATT_UNDEFINED: return "UATT_UNDEFINED";
879 case UATT_PHONELINE: return "UATT_PHONELINE";
880 case UATT_TELEPHONE: return "UATT_TELEPHONE";
881 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
882 /* external terminal types */
883 case UATE_UNDEFINED: return "UATE_UNDEFINED";
884 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
885 case UATE_LINECONN: return "UATE_LINECONN";
886 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
887 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
888 case UATE_SPDIF: return "UATE_SPDIF";
889 case UATE_1394DA: return "UATE_1394DA";
890 case UATE_1394DV: return "UATE_1394DV";
891 /* embedded function terminal types */
892 case UATF_UNDEFINED: return "UATF_UNDEFINED";
893 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
894 case UATF_EQUNOISE: return "UATF_EQUNOISE";
895 case UATF_CDPLAYER: return "UATF_CDPLAYER";
896 case UATF_DAT: return "UATF_DAT";
897 case UATF_DCC: return "UATF_DCC";
898 case UATF_MINIDISK: return "UATF_MINIDISK";
899 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
900 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
901 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
902 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
903 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
904 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
905 case UATF_SATELLITE: return "UATF_SATELLITE";
906 case UATF_CABLETUNER: return "UATF_CABLETUNER";
907 case UATF_DSS: return "UATF_DSS";
908 case UATF_RADIORECV: return "UATF_RADIORECV";
909 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
910 case UATF_MULTITRACK: return "UATF_MULTITRACK";
911 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
912 default:
913 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
914 return tbuf;
915 }
916 }
917 #endif
918
919 Static int
920 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
921 {
922 int terminal_type;
923
924 if (iot == NULL || iot->output == NULL) {
925 mix->class = UAC_OUTPUT;
926 return 0;
927 }
928 terminal_type = 0;
929 if (iot->output->size == 1)
930 terminal_type = iot->output->terminals[0];
931 /*
932 * If the only output terminal is USB,
933 * the class is UAC_RECORD.
934 */
935 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
936 mix->class = UAC_RECORD;
937 if (iot->inputs_size == 1
938 && iot->inputs[0] != NULL
939 && iot->inputs[0]->size == 1)
940 return iot->inputs[0]->terminals[0];
941 else
942 return 0;
943 }
944 /*
945 * If the ultimate destination of the unit is just one output
946 * terminal and the unit is connected to the output terminal
947 * directly, the class is UAC_OUTPUT.
948 */
949 if (terminal_type != 0 && iot->direct) {
950 mix->class = UAC_OUTPUT;
951 return terminal_type;
952 }
953 /*
954 * If the unit is connected to just one input terminal,
955 * the class is UAC_INPUT.
956 */
957 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
958 && iot->inputs[0]->size == 1) {
959 mix->class = UAC_INPUT;
960 return iot->inputs[0]->terminals[0];
961 }
962 /*
963 * Otherwise, the class is UAC_OUTPUT.
964 */
965 mix->class = UAC_OUTPUT;
966 return terminal_type;
967 }
968
969 Static const char *
970 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
971 {
972 int terminal_type;
973
974 terminal_type = uaudio_determine_class(iot, mix);
975 if (mix->class == UAC_RECORD && terminal_type == 0)
976 return AudioNmixerout;
977 DPRINTF(("%s: terminal_type=%s\n", __func__,
978 uaudio_get_terminal_name(terminal_type)));
979 switch (terminal_type) {
980 case UAT_STREAM:
981 return AudioNdac;
982
983 case UATI_MICROPHONE:
984 case UATI_DESKMICROPHONE:
985 case UATI_PERSONALMICROPHONE:
986 case UATI_OMNIMICROPHONE:
987 case UATI_MICROPHONEARRAY:
988 case UATI_PROCMICROPHONEARR:
989 return AudioNmicrophone;
990
991 case UATO_SPEAKER:
992 case UATO_DESKTOPSPEAKER:
993 case UATO_ROOMSPEAKER:
994 case UATO_COMMSPEAKER:
995 return AudioNspeaker;
996
997 case UATO_HEADPHONES:
998 return AudioNheadphone;
999
1000 case UATO_SUBWOOFER:
1001 return AudioNlfe;
1002
1003 /* telephony terminal types */
1004 case UATT_UNDEFINED:
1005 case UATT_PHONELINE:
1006 case UATT_TELEPHONE:
1007 case UATT_DOWNLINEPHONE:
1008 return "phone";
1009
1010 case UATE_ANALOGCONN:
1011 case UATE_LINECONN:
1012 case UATE_LEGACYCONN:
1013 return AudioNline;
1014
1015 case UATE_DIGITALAUIFC:
1016 case UATE_SPDIF:
1017 case UATE_1394DA:
1018 case UATE_1394DV:
1019 return AudioNaux;
1020
1021 case UATF_CDPLAYER:
1022 return AudioNcd;
1023
1024 case UATF_SYNTHESIZER:
1025 return AudioNfmsynth;
1026
1027 case UATF_VIDEODISCAUDIO:
1028 case UATF_DVDAUDIO:
1029 case UATF_TVTUNERAUDIO:
1030 return AudioNvideo;
1031
1032 case UAT_UNDEFINED:
1033 case UAT_VENDOR:
1034 case UATI_UNDEFINED:
1035 /* output terminal types */
1036 case UATO_UNDEFINED:
1037 case UATO_DISPLAYAUDIO:
1038 /* bidir terminal types */
1039 case UATB_UNDEFINED:
1040 case UATB_HANDSET:
1041 case UATB_HEADSET:
1042 case UATB_SPEAKERPHONE:
1043 case UATB_SPEAKERPHONEESUP:
1044 case UATB_SPEAKERPHONEECANC:
1045 /* external terminal types */
1046 case UATE_UNDEFINED:
1047 /* embedded function terminal types */
1048 case UATF_UNDEFINED:
1049 case UATF_CALIBNOISE:
1050 case UATF_EQUNOISE:
1051 case UATF_DAT:
1052 case UATF_DCC:
1053 case UATF_MINIDISK:
1054 case UATF_ANALOGTAPE:
1055 case UATF_PHONOGRAPH:
1056 case UATF_VCRAUDIO:
1057 case UATF_SATELLITE:
1058 case UATF_CABLETUNER:
1059 case UATF_DSS:
1060 case UATF_RADIORECV:
1061 case UATF_RADIOXMIT:
1062 case UATF_MULTITRACK:
1063 case 0xffff:
1064 default:
1065 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1066 return AudioNmaster;
1067 }
1068 return AudioNmaster;
1069 }
1070
1071 Static void
1072 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1073 {
1074 const struct usb_audio_feature_unit *d;
1075 const uByte *ctls;
1076 int ctlsize;
1077 int nchan;
1078 u_int fumask, mmask, cmask;
1079 struct mixerctl mix;
1080 int chan, ctl, i, unit;
1081 const char *mixername;
1082
1083 #define GET(i) (ctls[(i)*ctlsize] | \
1084 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1085 d = iot[id].d.fu;
1086 ctls = d->bmaControls;
1087 ctlsize = d->bControlSize;
1088 nchan = (d->bLength - 7) / ctlsize;
1089 mmask = GET(0);
1090 /* Figure out what we can control */
1091 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1092 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1093 chan, GET(chan)));
1094 cmask |= GET(chan);
1095 }
1096
1097 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1098 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1099 d->bUnitId, nchan, mmask, cmask));
1100
1101 if (nchan > MIX_MAX_CHAN)
1102 nchan = MIX_MAX_CHAN;
1103 unit = d->bUnitId;
1104 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1105 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1106 fumask = FU_MASK(ctl);
1107 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1108 ctl, fumask));
1109 if (mmask & fumask) {
1110 mix.nchan = 1;
1111 mix.wValue[0] = MAKE(ctl, 0);
1112 } else if (cmask & fumask) {
1113 mix.nchan = nchan - 1;
1114 for (i = 1; i < nchan; i++) {
1115 if (GET(i) & fumask)
1116 mix.wValue[i-1] = MAKE(ctl, i);
1117 else
1118 mix.wValue[i-1] = -1;
1119 }
1120 } else {
1121 continue;
1122 }
1123 #undef GET
1124 mixername = uaudio_feature_name(&iot[id], &mix);
1125 switch (ctl) {
1126 case MUTE_CONTROL:
1127 mix.type = MIX_ON_OFF;
1128 mix.ctlunit = "";
1129 snprintf(mix.ctlname, sizeof(mix.ctlname),
1130 "%s.%s", mixername, AudioNmute);
1131 break;
1132 case VOLUME_CONTROL:
1133 mix.type = MIX_SIGNED_16;
1134 mix.ctlunit = AudioNvolume;
1135 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1136 break;
1137 case BASS_CONTROL:
1138 mix.type = MIX_SIGNED_8;
1139 mix.ctlunit = AudioNbass;
1140 snprintf(mix.ctlname, sizeof(mix.ctlname),
1141 "%s.%s", mixername, AudioNbass);
1142 break;
1143 case MID_CONTROL:
1144 mix.type = MIX_SIGNED_8;
1145 mix.ctlunit = AudioNmid;
1146 snprintf(mix.ctlname, sizeof(mix.ctlname),
1147 "%s.%s", mixername, AudioNmid);
1148 break;
1149 case TREBLE_CONTROL:
1150 mix.type = MIX_SIGNED_8;
1151 mix.ctlunit = AudioNtreble;
1152 snprintf(mix.ctlname, sizeof(mix.ctlname),
1153 "%s.%s", mixername, AudioNtreble);
1154 break;
1155 case GRAPHIC_EQUALIZER_CONTROL:
1156 continue; /* XXX don't add anything */
1157 break;
1158 case AGC_CONTROL:
1159 mix.type = MIX_ON_OFF;
1160 mix.ctlunit = "";
1161 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1162 mixername, AudioNagc);
1163 break;
1164 case DELAY_CONTROL:
1165 mix.type = MIX_UNSIGNED_16;
1166 mix.ctlunit = "4 ms";
1167 snprintf(mix.ctlname, sizeof(mix.ctlname),
1168 "%s.%s", mixername, AudioNdelay);
1169 break;
1170 case BASS_BOOST_CONTROL:
1171 mix.type = MIX_ON_OFF;
1172 mix.ctlunit = "";
1173 snprintf(mix.ctlname, sizeof(mix.ctlname),
1174 "%s.%s", mixername, AudioNbassboost);
1175 break;
1176 case LOUDNESS_CONTROL:
1177 mix.type = MIX_ON_OFF;
1178 mix.ctlunit = "";
1179 snprintf(mix.ctlname, sizeof(mix.ctlname),
1180 "%s.%s", mixername, AudioNloudness);
1181 break;
1182 }
1183 uaudio_mixer_add_ctl(sc, &mix);
1184 }
1185 }
1186
1187 Static void
1188 uaudio_add_processing_updown(struct uaudio_softc *sc,
1189 const struct io_terminal *iot, int id)
1190 {
1191 const struct usb_audio_processing_unit *d;
1192 const struct usb_audio_processing_unit_1 *d1;
1193 const struct usb_audio_processing_unit_updown *ud;
1194 struct mixerctl mix;
1195 int i;
1196
1197 d = iot[id].d.pu;
1198 d1 = (const struct usb_audio_processing_unit_1 *)
1199 &d->baSourceId[d->bNrInPins];
1200 ud = (const struct usb_audio_processing_unit_updown *)
1201 &d1->bmControls[d1->bControlSize];
1202 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1203 d->bUnitId, ud->bNrModes));
1204
1205 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1206 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1207 return;
1208 }
1209
1210 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1211 mix.nchan = 1;
1212 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1213 uaudio_determine_class(&iot[id], &mix);
1214 mix.type = MIX_ON_OFF; /* XXX */
1215 mix.ctlunit = "";
1216 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1217
1218 for (i = 0; i < ud->bNrModes; i++) {
1219 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1220 i, UGETW(ud->waModes[i])));
1221 /* XXX */
1222 }
1223 uaudio_mixer_add_ctl(sc, &mix);
1224 }
1225
1226 Static void
1227 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1228 {
1229 const struct usb_audio_processing_unit *d;
1230 const struct usb_audio_processing_unit_1 *d1;
1231 int ptype;
1232 struct mixerctl mix;
1233
1234 d = iot[id].d.pu;
1235 d1 = (const struct usb_audio_processing_unit_1 *)
1236 &d->baSourceId[d->bNrInPins];
1237 ptype = UGETW(d->wProcessType);
1238 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1239 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1240
1241 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1242 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1243 mix.nchan = 1;
1244 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1245 uaudio_determine_class(&iot[id], &mix);
1246 mix.type = MIX_ON_OFF;
1247 mix.ctlunit = "";
1248 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1249 d->bUnitId, ptype);
1250 uaudio_mixer_add_ctl(sc, &mix);
1251 }
1252
1253 switch(ptype) {
1254 case UPDOWNMIX_PROCESS:
1255 uaudio_add_processing_updown(sc, iot, id);
1256 break;
1257 case DOLBY_PROLOGIC_PROCESS:
1258 case P3D_STEREO_EXTENDER_PROCESS:
1259 case REVERBATION_PROCESS:
1260 case CHORUS_PROCESS:
1261 case DYN_RANGE_COMP_PROCESS:
1262 default:
1263 #ifdef UAUDIO_DEBUG
1264 aprint_debug(
1265 "uaudio_add_processing: unit %d, type=%d not impl.\n",
1266 d->bUnitId, ptype);
1267 #endif
1268 break;
1269 }
1270 }
1271
1272 Static void
1273 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1274 {
1275 const struct usb_audio_extension_unit *d;
1276 const struct usb_audio_extension_unit_1 *d1;
1277 struct mixerctl mix;
1278
1279 d = iot[id].d.eu;
1280 d1 = (const struct usb_audio_extension_unit_1 *)
1281 &d->baSourceId[d->bNrInPins];
1282 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1283 d->bUnitId, d->bNrInPins));
1284
1285 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1286 return;
1287
1288 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1289 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1290 mix.nchan = 1;
1291 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1292 uaudio_determine_class(&iot[id], &mix);
1293 mix.type = MIX_ON_OFF;
1294 mix.ctlunit = "";
1295 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1296 d->bUnitId);
1297 uaudio_mixer_add_ctl(sc, &mix);
1298 }
1299 }
1300
1301 Static struct terminal_list*
1302 uaudio_merge_terminal_list(const struct io_terminal *iot)
1303 {
1304 struct terminal_list *tml;
1305 uint16_t *ptm;
1306 int i, len;
1307
1308 len = 0;
1309 if (iot->inputs == NULL)
1310 return NULL;
1311 for (i = 0; i < iot->inputs_size; i++) {
1312 if (iot->inputs[i] != NULL)
1313 len += iot->inputs[i]->size;
1314 }
1315 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1316 if (tml == NULL) {
1317 aprint_error("uaudio_merge_terminal_list: no memory\n");
1318 return NULL;
1319 }
1320 tml->size = 0;
1321 ptm = tml->terminals;
1322 for (i = 0; i < iot->inputs_size; i++) {
1323 if (iot->inputs[i] == NULL)
1324 continue;
1325 if (iot->inputs[i]->size > len)
1326 break;
1327 memcpy(ptm, iot->inputs[i]->terminals,
1328 iot->inputs[i]->size * sizeof(uint16_t));
1329 tml->size += iot->inputs[i]->size;
1330 ptm += iot->inputs[i]->size;
1331 len -= iot->inputs[i]->size;
1332 }
1333 return tml;
1334 }
1335
1336 Static struct terminal_list *
1337 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1338 {
1339 struct terminal_list *tml;
1340 struct io_terminal *it;
1341 int src_id, i;
1342
1343 it = &iot[id];
1344 if (it->output != NULL) {
1345 /* already has outtype? */
1346 for (i = 0; i < it->output->size; i++)
1347 if (it->output->terminals[i] == outtype)
1348 return uaudio_merge_terminal_list(it);
1349 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1350 M_TEMP, M_NOWAIT);
1351 if (tml == NULL) {
1352 aprint_error("uaudio_io_terminaltype: no memory\n");
1353 return uaudio_merge_terminal_list(it);
1354 }
1355 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1356 tml->terminals[it->output->size] = outtype;
1357 tml->size++;
1358 free(it->output, M_TEMP);
1359 it->output = tml;
1360 if (it->inputs != NULL) {
1361 for (i = 0; i < it->inputs_size; i++)
1362 if (it->inputs[i] != NULL)
1363 free(it->inputs[i], M_TEMP);
1364 free(it->inputs, M_TEMP);
1365 }
1366 it->inputs_size = 0;
1367 it->inputs = NULL;
1368 } else { /* end `iot[id] != NULL' */
1369 it->inputs_size = 0;
1370 it->inputs = NULL;
1371 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1372 if (it->output == NULL) {
1373 aprint_error("uaudio_io_terminaltype: no memory\n");
1374 return NULL;
1375 }
1376 it->output->terminals[0] = outtype;
1377 it->output->size = 1;
1378 it->direct = FALSE;
1379 }
1380
1381 switch (it->d.desc->bDescriptorSubtype) {
1382 case UDESCSUB_AC_INPUT:
1383 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1384 if (it->inputs == NULL) {
1385 aprint_error("uaudio_io_terminaltype: no memory\n");
1386 return NULL;
1387 }
1388 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1389 if (tml == NULL) {
1390 aprint_error("uaudio_io_terminaltype: no memory\n");
1391 free(it->inputs, M_TEMP);
1392 it->inputs = NULL;
1393 return NULL;
1394 }
1395 it->inputs[0] = tml;
1396 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1397 tml->size = 1;
1398 it->inputs_size = 1;
1399 return uaudio_merge_terminal_list(it);
1400 case UDESCSUB_AC_FEATURE:
1401 src_id = it->d.fu->bSourceId;
1402 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1403 if (it->inputs == NULL) {
1404 aprint_error("uaudio_io_terminaltype: no memory\n");
1405 return uaudio_io_terminaltype(outtype, iot, src_id);
1406 }
1407 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1408 it->inputs_size = 1;
1409 return uaudio_merge_terminal_list(it);
1410 case UDESCSUB_AC_OUTPUT:
1411 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1412 if (it->inputs == NULL) {
1413 aprint_error("uaudio_io_terminaltype: no memory\n");
1414 return NULL;
1415 }
1416 src_id = it->d.ot->bSourceId;
1417 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1418 it->inputs_size = 1;
1419 iot[src_id].direct = TRUE;
1420 return NULL;
1421 case UDESCSUB_AC_MIXER:
1422 it->inputs_size = 0;
1423 it->inputs = malloc(sizeof(struct terminal_list *)
1424 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1425 if (it->inputs == NULL) {
1426 aprint_error("uaudio_io_terminaltype: no memory\n");
1427 return NULL;
1428 }
1429 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1430 src_id = it->d.mu->baSourceId[i];
1431 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1432 src_id);
1433 it->inputs_size++;
1434 }
1435 return uaudio_merge_terminal_list(it);
1436 case UDESCSUB_AC_SELECTOR:
1437 it->inputs_size = 0;
1438 it->inputs = malloc(sizeof(struct terminal_list *)
1439 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1440 if (it->inputs == NULL) {
1441 aprint_error("uaudio_io_terminaltype: no memory\n");
1442 return NULL;
1443 }
1444 for (i = 0; i < it->d.su->bNrInPins; i++) {
1445 src_id = it->d.su->baSourceId[i];
1446 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1447 src_id);
1448 it->inputs_size++;
1449 }
1450 return uaudio_merge_terminal_list(it);
1451 case UDESCSUB_AC_PROCESSING:
1452 it->inputs_size = 0;
1453 it->inputs = malloc(sizeof(struct terminal_list *)
1454 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1455 if (it->inputs == NULL) {
1456 aprint_error("uaudio_io_terminaltype: no memory\n");
1457 return NULL;
1458 }
1459 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1460 src_id = it->d.pu->baSourceId[i];
1461 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1462 src_id);
1463 it->inputs_size++;
1464 }
1465 return uaudio_merge_terminal_list(it);
1466 case UDESCSUB_AC_EXTENSION:
1467 it->inputs_size = 0;
1468 it->inputs = malloc(sizeof(struct terminal_list *)
1469 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1470 if (it->inputs == NULL) {
1471 aprint_error("uaudio_io_terminaltype: no memory\n");
1472 return NULL;
1473 }
1474 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1475 src_id = it->d.eu->baSourceId[i];
1476 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1477 src_id);
1478 it->inputs_size++;
1479 }
1480 return uaudio_merge_terminal_list(it);
1481 case UDESCSUB_AC_HEADER:
1482 default:
1483 return NULL;
1484 }
1485 }
1486
1487 Static usbd_status
1488 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1489 {
1490 usbd_status err;
1491
1492 err = uaudio_identify_ac(sc, cdesc);
1493 if (err)
1494 return err;
1495 return uaudio_identify_as(sc, cdesc);
1496 }
1497
1498 Static void
1499 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1500 {
1501 size_t len;
1502 struct as_info *nai;
1503
1504 len = sizeof(*ai) * (sc->sc_nalts + 1);
1505 nai = malloc(len, M_USBDEV, M_NOWAIT);
1506 if (nai == NULL) {
1507 aprint_error("uaudio_add_alt: no memory\n");
1508 return;
1509 }
1510 /* Copy old data, if there was any */
1511 if (sc->sc_nalts != 0) {
1512 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1513 free(sc->sc_alts, M_USBDEV);
1514 }
1515 sc->sc_alts = nai;
1516 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1517 ai->alt, ai->encoding));
1518 sc->sc_alts[sc->sc_nalts++] = *ai;
1519 }
1520
1521 Static usbd_status
1522 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1523 int size, const usb_interface_descriptor_t *id)
1524 #define offs (*offsp)
1525 {
1526 const struct usb_audio_streaming_interface_descriptor *asid;
1527 const struct usb_audio_streaming_type1_descriptor *asf1d;
1528 const usb_endpoint_descriptor_audio_t *ed;
1529 const usb_endpoint_descriptor_audio_t *epdesc1;
1530 const struct usb_audio_streaming_endpoint_descriptor *sed;
1531 int format, chan, prec, enc;
1532 int dir, type, sync;
1533 struct as_info ai;
1534 const char *format_str;
1535
1536 asid = (const void *)(tbuf + offs);
1537 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1538 asid->bDescriptorSubtype != AS_GENERAL)
1539 return USBD_INVAL;
1540 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1541 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1542 offs += asid->bLength;
1543 if (offs > size)
1544 return USBD_INVAL;
1545
1546 asf1d = (const void *)(tbuf + offs);
1547 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1548 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1549 return USBD_INVAL;
1550 offs += asf1d->bLength;
1551 if (offs > size)
1552 return USBD_INVAL;
1553
1554 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1555 aprint_error_dev(sc->sc_dev,
1556 "ignored setting with type %d format\n", UGETW(asid->wFormatTag));
1557 return USBD_NORMAL_COMPLETION;
1558 }
1559
1560 ed = (const void *)(tbuf + offs);
1561 if (ed->bDescriptorType != UDESC_ENDPOINT)
1562 return USBD_INVAL;
1563 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1564 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1565 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1566 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1567 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1568 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1569 offs += ed->bLength;
1570 if (offs > size)
1571 return USBD_INVAL;
1572 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1573 return USBD_INVAL;
1574
1575 dir = UE_GET_DIR(ed->bEndpointAddress);
1576 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1577 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1578 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1579 type = UE_ISO_ASYNC;
1580
1581 /* We can't handle endpoints that need a sync pipe yet. */
1582 sync = FALSE;
1583 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1584 sync = TRUE;
1585 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1586 aprint_error_dev(sc->sc_dev,
1587 "ignored input endpoint of type adaptive\n");
1588 return USBD_NORMAL_COMPLETION;
1589 #endif
1590 }
1591 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1592 sync = TRUE;
1593 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1594 aprint_error_dev(sc->sc_dev,
1595 "ignored output endpoint of type async\n");
1596 return USBD_NORMAL_COMPLETION;
1597 #endif
1598 }
1599
1600 sed = (const void *)(tbuf + offs);
1601 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1602 sed->bDescriptorSubtype != AS_GENERAL)
1603 return USBD_INVAL;
1604 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1605 offs += sed->bLength;
1606 if (offs > size)
1607 return USBD_INVAL;
1608
1609 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1610 if (sync && id->bNumEndpoints <= 1) {
1611 aprint_error_dev(sc->sc_dev,
1612 "a sync-pipe endpoint but no other endpoint\n");
1613 return USBD_INVAL;
1614 }
1615 #endif
1616 if (!sync && id->bNumEndpoints > 1) {
1617 aprint_error_dev(sc->sc_dev,
1618 "non sync-pipe endpoint but multiple endpoints\n");
1619 return USBD_INVAL;
1620 }
1621 epdesc1 = NULL;
1622 if (id->bNumEndpoints > 1) {
1623 epdesc1 = (const void*)(tbuf + offs);
1624 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1625 return USBD_INVAL;
1626 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1627 "bDescriptorType=%d bEndpointAddress=%d "
1628 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1629 "bRefresh=%d bSynchAddress=%d\n",
1630 epdesc1->bLength, epdesc1->bDescriptorType,
1631 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1632 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1633 epdesc1->bRefresh, epdesc1->bSynchAddress));
1634 offs += epdesc1->bLength;
1635 if (offs > size)
1636 return USBD_INVAL;
1637 if (epdesc1->bSynchAddress != 0) {
1638 aprint_error_dev(sc->sc_dev,
1639 "invalid endpoint: bSynchAddress=0\n");
1640 return USBD_INVAL;
1641 }
1642 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1643 aprint_error_dev(sc->sc_dev,
1644 "invalid endpoint: bmAttributes=0x%x\n",
1645 epdesc1->bmAttributes);
1646 return USBD_INVAL;
1647 }
1648 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1649 aprint_error_dev(sc->sc_dev,
1650 "invalid endpoint addresses: "
1651 "ep[0]->bSynchAddress=0x%x "
1652 "ep[1]->bEndpointAddress=0x%x\n",
1653 ed->bSynchAddress, epdesc1->bEndpointAddress);
1654 return USBD_INVAL;
1655 }
1656 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1657 }
1658
1659 format = UGETW(asid->wFormatTag);
1660 chan = asf1d->bNrChannels;
1661 prec = asf1d->bBitResolution;
1662 if (prec != 8 && prec != 16 && prec != 24) {
1663 aprint_error_dev(sc->sc_dev,
1664 "ignored setting with precision %d\n", prec);
1665 return USBD_NORMAL_COMPLETION;
1666 }
1667 switch (format) {
1668 case UA_FMT_PCM:
1669 if (prec == 8) {
1670 sc->sc_altflags |= HAS_8;
1671 } else if (prec == 16) {
1672 sc->sc_altflags |= HAS_16;
1673 } else if (prec == 24) {
1674 sc->sc_altflags |= HAS_24;
1675 }
1676 enc = AUDIO_ENCODING_SLINEAR_LE;
1677 format_str = "pcm";
1678 break;
1679 case UA_FMT_PCM8:
1680 enc = AUDIO_ENCODING_ULINEAR_LE;
1681 sc->sc_altflags |= HAS_8U;
1682 format_str = "pcm8";
1683 break;
1684 case UA_FMT_ALAW:
1685 enc = AUDIO_ENCODING_ALAW;
1686 sc->sc_altflags |= HAS_ALAW;
1687 format_str = "alaw";
1688 break;
1689 case UA_FMT_MULAW:
1690 enc = AUDIO_ENCODING_ULAW;
1691 sc->sc_altflags |= HAS_MULAW;
1692 format_str = "mulaw";
1693 break;
1694 case UA_FMT_IEEE_FLOAT:
1695 default:
1696 aprint_error_dev(sc->sc_dev,
1697 "ignored setting with format %d\n", format);
1698 return USBD_NORMAL_COMPLETION;
1699 }
1700 #ifdef UAUDIO_DEBUG
1701 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,",
1702 dir == UE_DIR_IN ? "recording" : "playback",
1703 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1704 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1705 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d),
1706 UA_SAMP_HI(asf1d));
1707 } else {
1708 int r;
1709 aprint_debug(" %d", UA_GETSAMP(asf1d, 0));
1710 for (r = 1; r < asf1d->bSamFreqType; r++)
1711 aprint_debug(",%d", UA_GETSAMP(asf1d, r));
1712 aprint_debug("Hz\n");
1713 }
1714 #endif
1715 ai.alt = id->bAlternateSetting;
1716 ai.encoding = enc;
1717 ai.attributes = sed->bmAttributes;
1718 ai.idesc = id;
1719 ai.edesc = ed;
1720 ai.edesc1 = epdesc1;
1721 ai.asf1desc = asf1d;
1722 ai.sc_busy = 0;
1723 ai.aformat = NULL;
1724 ai.ifaceh = NULL;
1725 uaudio_add_alt(sc, &ai);
1726 #ifdef UAUDIO_DEBUG
1727 if (ai.attributes & UA_SED_FREQ_CONTROL)
1728 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1729 if (ai.attributes & UA_SED_PITCH_CONTROL)
1730 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1731 #endif
1732 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1733
1734 return USBD_NORMAL_COMPLETION;
1735 }
1736 #undef offs
1737
1738 Static usbd_status
1739 uaudio_identify_as(struct uaudio_softc *sc,
1740 const usb_config_descriptor_t *cdesc)
1741 {
1742 const usb_interface_descriptor_t *id;
1743 const char *tbuf;
1744 struct audio_format *auf;
1745 const struct usb_audio_streaming_type1_descriptor *t1desc;
1746 int size, offs;
1747 int i, j;
1748
1749 size = UGETW(cdesc->wTotalLength);
1750 tbuf = (const char *)cdesc;
1751
1752 /* Locate the AudioStreaming interface descriptor. */
1753 offs = 0;
1754 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1755 if (id == NULL)
1756 return USBD_INVAL;
1757
1758 /* Loop through all the alternate settings. */
1759 while (offs <= size) {
1760 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1761 id->bInterfaceNumber, offs));
1762 switch (id->bNumEndpoints) {
1763 case 0:
1764 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1765 id->bAlternateSetting));
1766 sc->sc_nullalt = id->bAlternateSetting;
1767 break;
1768 case 1:
1769 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1770 case 2:
1771 #endif
1772 uaudio_process_as(sc, tbuf, &offs, size, id);
1773 break;
1774 default:
1775 aprint_error_dev(sc->sc_dev,
1776 "ignored audio interface with %d endpoints\n",
1777 id->bNumEndpoints);
1778 break;
1779 }
1780 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1781 if (id == NULL)
1782 break;
1783 }
1784 if (offs > size)
1785 return USBD_INVAL;
1786 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1787
1788 if (sc->sc_mode == 0) {
1789 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n");
1790 return USBD_INVAL;
1791 }
1792
1793 /* build audio_format array */
1794 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1795 M_USBDEV, M_NOWAIT);
1796 if (sc->sc_formats == NULL)
1797 return USBD_NOMEM;
1798 sc->sc_nformats = sc->sc_nalts;
1799 for (i = 0; i < sc->sc_nalts; i++) {
1800 auf = &sc->sc_formats[i];
1801 t1desc = sc->sc_alts[i].asf1desc;
1802 auf->driver_data = NULL;
1803 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1804 auf->mode = AUMODE_PLAY;
1805 else
1806 auf->mode = AUMODE_RECORD;
1807 auf->encoding = sc->sc_alts[i].encoding;
1808 auf->validbits = t1desc->bBitResolution;
1809 auf->precision = t1desc->bSubFrameSize * 8;
1810 auf->channels = t1desc->bNrChannels;
1811 auf->channel_mask = sc->sc_channel_config;
1812 auf->frequency_type = t1desc->bSamFreqType;
1813 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1814 auf->frequency[0] = UA_SAMP_LO(t1desc);
1815 auf->frequency[1] = UA_SAMP_HI(t1desc);
1816 } else {
1817 for (j = 0; j < t1desc->bSamFreqType; j++) {
1818 if (j >= AUFMT_MAX_FREQUENCIES) {
1819 aprint_error("%s: please increase "
1820 "AUFMT_MAX_FREQUENCIES to %d\n",
1821 __func__, t1desc->bSamFreqType);
1822 break;
1823 }
1824 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1825 }
1826 }
1827 sc->sc_alts[i].aformat = auf;
1828 }
1829
1830 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1831 &sc->sc_encodings)) {
1832 free(sc->sc_formats, M_DEVBUF);
1833 sc->sc_formats = NULL;
1834 return ENOMEM;
1835 }
1836
1837 return USBD_NORMAL_COMPLETION;
1838 }
1839
1840 Static usbd_status
1841 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1842 {
1843 struct io_terminal* iot;
1844 const usb_interface_descriptor_t *id;
1845 const struct usb_audio_control_descriptor *acdp;
1846 const uaudio_cs_descriptor_t *dp;
1847 const struct usb_audio_output_terminal *pot;
1848 struct terminal_list *tml;
1849 const char *tbuf, *ibuf, *ibufend;
1850 int size, offs, aclen, ndps, i, j;
1851
1852 size = UGETW(cdesc->wTotalLength);
1853 tbuf = (const char *)cdesc;
1854
1855 /* Locate the AudioControl interface descriptor. */
1856 offs = 0;
1857 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1858 if (id == NULL)
1859 return USBD_INVAL;
1860 if (offs + sizeof *acdp > size)
1861 return USBD_INVAL;
1862 sc->sc_ac_iface = id->bInterfaceNumber;
1863 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1864
1865 /* A class-specific AC interface header should follow. */
1866 ibuf = tbuf + offs;
1867 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1868 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1869 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1870 return USBD_INVAL;
1871 aclen = UGETW(acdp->wTotalLength);
1872 if (offs + aclen > size)
1873 return USBD_INVAL;
1874
1875 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1876 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1877 return USBD_INVAL;
1878
1879 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1880 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
1881 sc->sc_audio_rev, aclen));
1882
1883 sc->sc_nullalt = -1;
1884
1885 /* Scan through all the AC specific descriptors */
1886 ibufend = ibuf + aclen;
1887 dp = (const uaudio_cs_descriptor_t *)ibuf;
1888 ndps = 0;
1889 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1890 if (iot == NULL) {
1891 aprint_error("%s: no memory\n", __func__);
1892 return USBD_NOMEM;
1893 }
1894 for (;;) {
1895 ibuf += dp->bLength;
1896 if (ibuf >= ibufend)
1897 break;
1898 dp = (const uaudio_cs_descriptor_t *)ibuf;
1899 if (ibuf + dp->bLength > ibufend) {
1900 free(iot, M_TEMP);
1901 return USBD_INVAL;
1902 }
1903 if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
1904 aprint_error(
1905 "uaudio_identify_ac: skip desc type=0x%02x\n",
1906 dp->bDescriptorType);
1907 continue;
1908 }
1909 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1910 iot[i].d.desc = dp;
1911 if (i > ndps)
1912 ndps = i;
1913 }
1914 ndps++;
1915
1916 /* construct io_terminal */
1917 for (i = 0; i < ndps; i++) {
1918 dp = iot[i].d.desc;
1919 if (dp == NULL)
1920 continue;
1921 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1922 continue;
1923 pot = iot[i].d.ot;
1924 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1925 if (tml != NULL)
1926 free(tml, M_TEMP);
1927 }
1928
1929 #ifdef UAUDIO_DEBUG
1930 for (i = 0; i < 256; i++) {
1931 struct usb_audio_cluster cluster;
1932
1933 if (iot[i].d.desc == NULL)
1934 continue;
1935 logprintf("id %d:\t", i);
1936 switch (iot[i].d.desc->bDescriptorSubtype) {
1937 case UDESCSUB_AC_INPUT:
1938 logprintf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1939 (UGETW(iot[i].d.it->wTerminalType)));
1940 logprintf("\t");
1941 cluster = uaudio_get_cluster(i, iot);
1942 uaudio_dump_cluster(&cluster);
1943 logprintf("\n");
1944 break;
1945 case UDESCSUB_AC_OUTPUT:
1946 logprintf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1947 (UGETW(iot[i].d.ot->wTerminalType)));
1948 logprintf("src=%d\n", iot[i].d.ot->bSourceId);
1949 break;
1950 case UDESCSUB_AC_MIXER:
1951 logprintf("AC_MIXER src=");
1952 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1953 logprintf("%d ", iot[i].d.mu->baSourceId[j]);
1954 logprintf("\n\t");
1955 cluster = uaudio_get_cluster(i, iot);
1956 uaudio_dump_cluster(&cluster);
1957 logprintf("\n");
1958 break;
1959 case UDESCSUB_AC_SELECTOR:
1960 logprintf("AC_SELECTOR src=");
1961 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1962 logprintf("%d ", iot[i].d.su->baSourceId[j]);
1963 logprintf("\n");
1964 break;
1965 case UDESCSUB_AC_FEATURE:
1966 logprintf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1967 break;
1968 case UDESCSUB_AC_PROCESSING:
1969 logprintf("AC_PROCESSING src=");
1970 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1971 logprintf("%d ", iot[i].d.pu->baSourceId[j]);
1972 logprintf("\n\t");
1973 cluster = uaudio_get_cluster(i, iot);
1974 uaudio_dump_cluster(&cluster);
1975 logprintf("\n");
1976 break;
1977 case UDESCSUB_AC_EXTENSION:
1978 logprintf("AC_EXTENSION src=");
1979 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1980 logprintf("%d ", iot[i].d.eu->baSourceId[j]);
1981 logprintf("\n\t");
1982 cluster = uaudio_get_cluster(i, iot);
1983 uaudio_dump_cluster(&cluster);
1984 logprintf("\n");
1985 break;
1986 default:
1987 logprintf("unknown audio control (subtype=%d)\n",
1988 iot[i].d.desc->bDescriptorSubtype);
1989 }
1990 for (j = 0; j < iot[i].inputs_size; j++) {
1991 int k;
1992 logprintf("\tinput%d: ", j);
1993 tml = iot[i].inputs[j];
1994 if (tml == NULL) {
1995 logprintf("NULL\n");
1996 continue;
1997 }
1998 for (k = 0; k < tml->size; k++)
1999 logprintf("%s ", uaudio_get_terminal_name
2000 (tml->terminals[k]));
2001 logprintf("\n");
2002 }
2003 logprintf("\toutput: ");
2004 tml = iot[i].output;
2005 for (j = 0; j < tml->size; j++)
2006 logprintf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
2007 logprintf("\n");
2008 }
2009 #endif
2010
2011 for (i = 0; i < ndps; i++) {
2012 dp = iot[i].d.desc;
2013 if (dp == NULL)
2014 continue;
2015 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
2016 i, dp->bDescriptorSubtype));
2017 switch (dp->bDescriptorSubtype) {
2018 case UDESCSUB_AC_HEADER:
2019 aprint_error("uaudio_identify_ac: unexpected AC header\n");
2020 break;
2021 case UDESCSUB_AC_INPUT:
2022 uaudio_add_input(sc, iot, i);
2023 break;
2024 case UDESCSUB_AC_OUTPUT:
2025 uaudio_add_output(sc, iot, i);
2026 break;
2027 case UDESCSUB_AC_MIXER:
2028 uaudio_add_mixer(sc, iot, i);
2029 break;
2030 case UDESCSUB_AC_SELECTOR:
2031 uaudio_add_selector(sc, iot, i);
2032 break;
2033 case UDESCSUB_AC_FEATURE:
2034 uaudio_add_feature(sc, iot, i);
2035 break;
2036 case UDESCSUB_AC_PROCESSING:
2037 uaudio_add_processing(sc, iot, i);
2038 break;
2039 case UDESCSUB_AC_EXTENSION:
2040 uaudio_add_extension(sc, iot, i);
2041 break;
2042 default:
2043 aprint_error(
2044 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2045 dp->bDescriptorSubtype);
2046 break;
2047 }
2048 }
2049
2050 /* delete io_terminal */
2051 for (i = 0; i < 256; i++) {
2052 if (iot[i].d.desc == NULL)
2053 continue;
2054 if (iot[i].inputs != NULL) {
2055 for (j = 0; j < iot[i].inputs_size; j++) {
2056 if (iot[i].inputs[j] != NULL)
2057 free(iot[i].inputs[j], M_TEMP);
2058 }
2059 free(iot[i].inputs, M_TEMP);
2060 }
2061 if (iot[i].output != NULL)
2062 free(iot[i].output, M_TEMP);
2063 iot[i].d.desc = NULL;
2064 }
2065 free(iot, M_TEMP);
2066
2067 return USBD_NORMAL_COMPLETION;
2068 }
2069
2070 Static int
2071 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2072 {
2073 struct uaudio_softc *sc;
2074 struct mixerctl *mc;
2075 int n, nctls, i;
2076
2077 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2078 sc = addr;
2079 if (sc->sc_dying)
2080 return EIO;
2081
2082 n = mi->index;
2083 nctls = sc->sc_nctls;
2084
2085 switch (n) {
2086 case UAC_OUTPUT:
2087 mi->type = AUDIO_MIXER_CLASS;
2088 mi->mixer_class = UAC_OUTPUT;
2089 mi->next = mi->prev = AUDIO_MIXER_LAST;
2090 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2091 return 0;
2092 case UAC_INPUT:
2093 mi->type = AUDIO_MIXER_CLASS;
2094 mi->mixer_class = UAC_INPUT;
2095 mi->next = mi->prev = AUDIO_MIXER_LAST;
2096 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2097 return 0;
2098 case UAC_EQUAL:
2099 mi->type = AUDIO_MIXER_CLASS;
2100 mi->mixer_class = UAC_EQUAL;
2101 mi->next = mi->prev = AUDIO_MIXER_LAST;
2102 strlcpy(mi->label.name, AudioCequalization,
2103 sizeof(mi->label.name));
2104 return 0;
2105 case UAC_RECORD:
2106 mi->type = AUDIO_MIXER_CLASS;
2107 mi->mixer_class = UAC_RECORD;
2108 mi->next = mi->prev = AUDIO_MIXER_LAST;
2109 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2110 return 0;
2111 default:
2112 break;
2113 }
2114
2115 n -= UAC_NCLASSES;
2116 if (n < 0 || n >= nctls)
2117 return ENXIO;
2118
2119 mc = &sc->sc_ctls[n];
2120 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2121 mi->mixer_class = mc->class;
2122 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2123 switch (mc->type) {
2124 case MIX_ON_OFF:
2125 mi->type = AUDIO_MIXER_ENUM;
2126 mi->un.e.num_mem = 2;
2127 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2128 sizeof(mi->un.e.member[0].label.name));
2129 mi->un.e.member[0].ord = 0;
2130 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2131 sizeof(mi->un.e.member[1].label.name));
2132 mi->un.e.member[1].ord = 1;
2133 break;
2134 case MIX_SELECTOR:
2135 mi->type = AUDIO_MIXER_ENUM;
2136 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2137 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2138 snprintf(mi->un.e.member[i].label.name,
2139 sizeof(mi->un.e.member[i].label.name),
2140 "%d", i + mc->minval);
2141 mi->un.e.member[i].ord = i + mc->minval;
2142 }
2143 break;
2144 default:
2145 mi->type = AUDIO_MIXER_VALUE;
2146 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2147 mi->un.v.num_channels = mc->nchan;
2148 mi->un.v.delta = mc->delta;
2149 break;
2150 }
2151 return 0;
2152 }
2153
2154 Static int
2155 uaudio_open(void *addr, int flags)
2156 {
2157 struct uaudio_softc *sc;
2158
2159 sc = addr;
2160 DPRINTF(("uaudio_open: sc=%p\n", sc));
2161 if (sc->sc_dying)
2162 return EIO;
2163
2164 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2165 return EACCES;
2166 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2167 return EACCES;
2168
2169 return 0;
2170 }
2171
2172 /*
2173 * Close function is called at splaudio().
2174 */
2175 Static void
2176 uaudio_close(void *addr)
2177 {
2178 }
2179
2180 Static int
2181 uaudio_drain(void *addr)
2182 {
2183 struct uaudio_softc *sc;
2184
2185 sc = addr;
2186 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
2187
2188 return 0;
2189 }
2190
2191 Static int
2192 uaudio_halt_out_dma(void *addr)
2193 {
2194 struct uaudio_softc *sc;
2195
2196 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2197 sc = addr;
2198 if (sc->sc_playchan.pipe != NULL) {
2199 uaudio_chan_close(sc, &sc->sc_playchan);
2200 sc->sc_playchan.pipe = NULL;
2201 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2202 sc->sc_playchan.intr = NULL;
2203 }
2204 return 0;
2205 }
2206
2207 Static int
2208 uaudio_halt_in_dma(void *addr)
2209 {
2210 struct uaudio_softc *sc;
2211
2212 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2213 sc = addr;
2214 if (sc->sc_recchan.pipe != NULL) {
2215 uaudio_chan_close(sc, &sc->sc_recchan);
2216 sc->sc_recchan.pipe = NULL;
2217 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2218 sc->sc_recchan.intr = NULL;
2219 }
2220 return 0;
2221 }
2222
2223 Static int
2224 uaudio_getdev(void *addr, struct audio_device *retp)
2225 {
2226 struct uaudio_softc *sc;
2227
2228 DPRINTF(("uaudio_mixer_getdev:\n"));
2229 sc = addr;
2230 if (sc->sc_dying)
2231 return EIO;
2232
2233 *retp = uaudio_device;
2234 return 0;
2235 }
2236
2237 /*
2238 * Make sure the block size is large enough to hold all outstanding transfers.
2239 */
2240 Static int
2241 uaudio_round_blocksize(void *addr, int blk,
2242 int mode, const audio_params_t *param)
2243 {
2244 struct uaudio_softc *sc;
2245 int b;
2246
2247 sc = addr;
2248 DPRINTF(("uaudio_round_blocksize: blk=%d mode=%s\n", blk,
2249 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"));
2250
2251 /* chan.bytes_per_frame can be 0. */
2252 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2253 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2254
2255 /*
2256 * This does not make accurate value in the case
2257 * of b % USB_FRAMES_PER_SECOND != 0
2258 */
2259 b /= USB_FRAMES_PER_SECOND;
2260
2261 b *= param->precision / 8 * param->channels;
2262 } else {
2263 /*
2264 * use wMaxPacketSize in bytes_per_frame.
2265 * See uaudio_set_params() and uaudio_chan_init()
2266 */
2267 b = sc->sc_recchan.bytes_per_frame
2268 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2269 }
2270
2271 if (b <= 0)
2272 b = 1;
2273 blk = blk <= b ? b : blk / b * b;
2274
2275 #ifdef DIAGNOSTIC
2276 if (blk <= 0) {
2277 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk);
2278 blk = 512;
2279 }
2280 #endif
2281
2282 DPRINTF(("uaudio_round_blocksize: resultant blk=%d\n", blk));
2283 return blk;
2284 }
2285
2286 Static int
2287 uaudio_get_props(void *addr)
2288 {
2289 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2290
2291 }
2292
2293 Static int
2294 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2295 int wIndex, int len)
2296 {
2297 usb_device_request_t req;
2298 u_int8_t data[4];
2299 usbd_status err;
2300 int val;
2301
2302 if (wValue == -1)
2303 return 0;
2304
2305 req.bmRequestType = type;
2306 req.bRequest = which;
2307 USETW(req.wValue, wValue);
2308 USETW(req.wIndex, wIndex);
2309 USETW(req.wLength, len);
2310 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2311 "wIndex=0x%04x len=%d\n",
2312 type, which, wValue, wIndex, len));
2313 err = usbd_do_request(sc->sc_udev, &req, data);
2314 if (err) {
2315 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2316 return -1;
2317 }
2318 switch (len) {
2319 case 1:
2320 val = data[0];
2321 break;
2322 case 2:
2323 val = data[0] | (data[1] << 8);
2324 break;
2325 default:
2326 DPRINTF(("uaudio_get: bad length=%d\n", len));
2327 return -1;
2328 }
2329 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2330 return val;
2331 }
2332
2333 Static void
2334 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2335 int wIndex, int len, int val)
2336 {
2337 usb_device_request_t req;
2338 u_int8_t data[4];
2339 usbd_status err;
2340
2341 if (wValue == -1)
2342 return;
2343
2344 req.bmRequestType = type;
2345 req.bRequest = which;
2346 USETW(req.wValue, wValue);
2347 USETW(req.wIndex, wIndex);
2348 USETW(req.wLength, len);
2349 switch (len) {
2350 case 1:
2351 data[0] = val;
2352 break;
2353 case 2:
2354 data[0] = val;
2355 data[1] = val >> 8;
2356 break;
2357 default:
2358 return;
2359 }
2360 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2361 "wIndex=0x%04x len=%d, val=%d\n",
2362 type, which, wValue, wIndex, len, val & 0xffff));
2363 err = usbd_do_request(sc->sc_udev, &req, data);
2364 #ifdef UAUDIO_DEBUG
2365 if (err)
2366 DPRINTF(("uaudio_set: err=%d\n", err));
2367 #endif
2368 }
2369
2370 Static int
2371 uaudio_signext(int type, int val)
2372 {
2373 if (!MIX_UNSIGNED(type)) {
2374 if (MIX_SIZE(type) == 2)
2375 val = (int16_t)val;
2376 else
2377 val = (int8_t)val;
2378 }
2379 return val;
2380 }
2381
2382 Static int
2383 uaudio_value2bsd(struct mixerctl *mc, int val)
2384 {
2385 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2386 mc->type, val, mc->minval, mc->maxval));
2387 if (mc->type == MIX_ON_OFF) {
2388 val = (val != 0);
2389 } else if (mc->type == MIX_SELECTOR) {
2390 if (val < mc->minval || val > mc->maxval)
2391 val = mc->minval;
2392 } else
2393 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2394 + mc->mul/2) / mc->mul;
2395 DPRINTFN(5, ("val'=%d\n", val));
2396 return val;
2397 }
2398
2399 int
2400 uaudio_bsd2value(struct mixerctl *mc, int val)
2401 {
2402 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2403 mc->type, val, mc->minval, mc->maxval));
2404 if (mc->type == MIX_ON_OFF) {
2405 val = (val != 0);
2406 } else if (mc->type == MIX_SELECTOR) {
2407 if (val < mc->minval || val > mc->maxval)
2408 val = mc->minval;
2409 } else
2410 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2411 DPRINTFN(5, ("val'=%d\n", val));
2412 return val;
2413 }
2414
2415 Static int
2416 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2417 int chan)
2418 {
2419 int val;
2420
2421 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2422 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2423 mc->wIndex, MIX_SIZE(mc->type));
2424 return uaudio_value2bsd(mc, val);
2425 }
2426
2427 Static void
2428 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2429 int chan, int val)
2430 {
2431 val = uaudio_bsd2value(mc, val);
2432 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2433 mc->wIndex, MIX_SIZE(mc->type), val);
2434 }
2435
2436 Static int
2437 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2438 {
2439 struct uaudio_softc *sc;
2440 struct mixerctl *mc;
2441 int i, n, vals[MIX_MAX_CHAN], val;
2442
2443 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2444 sc = addr;
2445 if (sc->sc_dying)
2446 return EIO;
2447
2448 n = cp->dev - UAC_NCLASSES;
2449 if (n < 0 || n >= sc->sc_nctls)
2450 return ENXIO;
2451 mc = &sc->sc_ctls[n];
2452
2453 if (mc->type == MIX_ON_OFF) {
2454 if (cp->type != AUDIO_MIXER_ENUM)
2455 return EINVAL;
2456 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2457 } else if (mc->type == MIX_SELECTOR) {
2458 if (cp->type != AUDIO_MIXER_ENUM)
2459 return EINVAL;
2460 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2461 } else {
2462 if (cp->type != AUDIO_MIXER_VALUE)
2463 return EINVAL;
2464 if (cp->un.value.num_channels != 1 &&
2465 cp->un.value.num_channels != mc->nchan)
2466 return EINVAL;
2467 for (i = 0; i < mc->nchan; i++)
2468 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2469 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2470 for (val = 0, i = 0; i < mc->nchan; i++)
2471 val += vals[i];
2472 vals[0] = val / mc->nchan;
2473 }
2474 for (i = 0; i < cp->un.value.num_channels; i++)
2475 cp->un.value.level[i] = vals[i];
2476 }
2477
2478 return 0;
2479 }
2480
2481 Static int
2482 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2483 {
2484 struct uaudio_softc *sc;
2485 struct mixerctl *mc;
2486 int i, n, vals[MIX_MAX_CHAN];
2487
2488 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2489 sc = addr;
2490 if (sc->sc_dying)
2491 return EIO;
2492
2493 n = cp->dev - UAC_NCLASSES;
2494 if (n < 0 || n >= sc->sc_nctls)
2495 return ENXIO;
2496 mc = &sc->sc_ctls[n];
2497
2498 if (mc->type == MIX_ON_OFF) {
2499 if (cp->type != AUDIO_MIXER_ENUM)
2500 return EINVAL;
2501 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2502 } else if (mc->type == MIX_SELECTOR) {
2503 if (cp->type != AUDIO_MIXER_ENUM)
2504 return EINVAL;
2505 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2506 } else {
2507 if (cp->type != AUDIO_MIXER_VALUE)
2508 return EINVAL;
2509 if (cp->un.value.num_channels == 1)
2510 for (i = 0; i < mc->nchan; i++)
2511 vals[i] = cp->un.value.level[0];
2512 else if (cp->un.value.num_channels == mc->nchan)
2513 for (i = 0; i < mc->nchan; i++)
2514 vals[i] = cp->un.value.level[i];
2515 else
2516 return EINVAL;
2517 for (i = 0; i < mc->nchan; i++)
2518 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2519 }
2520 return 0;
2521 }
2522
2523 Static int
2524 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2525 void (*intr)(void *), void *arg,
2526 const audio_params_t *param)
2527 {
2528 struct uaudio_softc *sc;
2529 struct chan *ch;
2530 usbd_status err;
2531 int i, s;
2532
2533 sc = addr;
2534 if (sc->sc_dying)
2535 return EIO;
2536
2537 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2538 "blksize=%d\n", sc, start, end, blksize));
2539 ch = &sc->sc_recchan;
2540 uaudio_chan_set_param(ch, start, end, blksize);
2541 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2542 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2543 ch->fraction));
2544
2545 err = uaudio_chan_alloc_buffers(sc, ch);
2546 if (err)
2547 return EIO;
2548
2549 err = uaudio_chan_open(sc, ch);
2550 if (err) {
2551 uaudio_chan_free_buffers(sc, ch);
2552 return EIO;
2553 }
2554
2555 ch->intr = intr;
2556 ch->arg = arg;
2557
2558 s = splusb();
2559 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2560 uaudio_chan_rtransfer(ch);
2561 splx(s);
2562
2563 return 0;
2564 }
2565
2566 Static int
2567 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2568 void (*intr)(void *), void *arg,
2569 const audio_params_t *param)
2570 {
2571 struct uaudio_softc *sc;
2572 struct chan *ch;
2573 usbd_status err;
2574 int i, s;
2575
2576 sc = addr;
2577 if (sc->sc_dying)
2578 return EIO;
2579
2580 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2581 "blksize=%d\n", sc, start, end, blksize));
2582 ch = &sc->sc_playchan;
2583 uaudio_chan_set_param(ch, start, end, blksize);
2584 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2585 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2586 ch->fraction));
2587
2588 err = uaudio_chan_alloc_buffers(sc, ch);
2589 if (err)
2590 return EIO;
2591
2592 err = uaudio_chan_open(sc, ch);
2593 if (err) {
2594 uaudio_chan_free_buffers(sc, ch);
2595 return EIO;
2596 }
2597
2598 ch->intr = intr;
2599 ch->arg = arg;
2600
2601 s = splusb();
2602 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2603 uaudio_chan_ptransfer(ch);
2604 splx(s);
2605
2606 return 0;
2607 }
2608
2609 /* Set up a pipe for a channel. */
2610 Static usbd_status
2611 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2612 {
2613 struct as_info *as;
2614 int endpt;
2615 usbd_status err;
2616
2617 as = &sc->sc_alts[ch->altidx];
2618 endpt = as->edesc->bEndpointAddress;
2619 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2620 endpt, ch->sample_rate, as->alt));
2621
2622 /* Set alternate interface corresponding to the mode. */
2623 err = usbd_set_interface(as->ifaceh, as->alt);
2624 if (err)
2625 return err;
2626
2627 /*
2628 * If just one sampling rate is supported,
2629 * no need to call uaudio_set_speed().
2630 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2631 */
2632 if (as->asf1desc->bSamFreqType != 1) {
2633 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2634 if (err) {
2635 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2636 usbd_errstr(err)));
2637 }
2638 }
2639
2640 ch->pipe = 0;
2641 ch->sync_pipe = 0;
2642 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2643 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2644 if (err)
2645 return err;
2646 if (as->edesc1 != NULL) {
2647 endpt = as->edesc1->bEndpointAddress;
2648 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2649 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2650 }
2651 return err;
2652 }
2653
2654 Static void
2655 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2656 {
2657 struct as_info *as;
2658
2659 as = &sc->sc_alts[ch->altidx];
2660 as->sc_busy = 0;
2661 AUFMT_VALIDATE(as->aformat);
2662 if (sc->sc_nullalt >= 0) {
2663 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2664 sc->sc_nullalt));
2665 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2666 }
2667 if (ch->pipe) {
2668 usbd_abort_pipe(ch->pipe);
2669 usbd_close_pipe(ch->pipe);
2670 }
2671 if (ch->sync_pipe) {
2672 usbd_abort_pipe(ch->sync_pipe);
2673 usbd_close_pipe(ch->sync_pipe);
2674 }
2675 }
2676
2677 Static usbd_status
2678 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2679 {
2680 usbd_xfer_handle xfer;
2681 void *tbuf;
2682 int i, size;
2683
2684 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2685 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2686 xfer = usbd_alloc_xfer(sc->sc_udev);
2687 if (xfer == 0)
2688 goto bad;
2689 ch->chanbufs[i].xfer = xfer;
2690 tbuf = usbd_alloc_buffer(xfer, size);
2691 if (tbuf == 0) {
2692 i++;
2693 goto bad;
2694 }
2695 ch->chanbufs[i].buffer = tbuf;
2696 ch->chanbufs[i].chan = ch;
2697 }
2698
2699 return USBD_NORMAL_COMPLETION;
2700
2701 bad:
2702 while (--i >= 0)
2703 /* implicit buffer free */
2704 usbd_free_xfer(ch->chanbufs[i].xfer);
2705 return USBD_NOMEM;
2706 }
2707
2708 Static void
2709 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2710 {
2711 int i;
2712
2713 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2714 usbd_free_xfer(ch->chanbufs[i].xfer);
2715 }
2716
2717 /* Called at splusb() */
2718 Static void
2719 uaudio_chan_ptransfer(struct chan *ch)
2720 {
2721 struct chanbuf *cb;
2722 int i, n, size, residue, total;
2723
2724 if (ch->sc->sc_dying)
2725 return;
2726
2727 /* Pick the next channel buffer. */
2728 cb = &ch->chanbufs[ch->curchanbuf];
2729 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2730 ch->curchanbuf = 0;
2731
2732 /* Compute the size of each frame in the next transfer. */
2733 residue = ch->residue;
2734 total = 0;
2735 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2736 size = ch->bytes_per_frame;
2737 residue += ch->fraction;
2738 if (residue >= USB_FRAMES_PER_SECOND) {
2739 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2740 size += ch->sample_size;
2741 residue -= USB_FRAMES_PER_SECOND;
2742 }
2743 cb->sizes[i] = size;
2744 total += size;
2745 }
2746 ch->residue = residue;
2747 cb->size = total;
2748
2749 /*
2750 * Transfer data from upper layer buffer to channel buffer, taking
2751 * care of wrapping the upper layer buffer.
2752 */
2753 n = min(total, ch->end - ch->cur);
2754 memcpy(cb->buffer, ch->cur, n);
2755 ch->cur += n;
2756 if (ch->cur >= ch->end)
2757 ch->cur = ch->start;
2758 if (total > n) {
2759 total -= n;
2760 memcpy(cb->buffer + n, ch->cur, total);
2761 ch->cur += total;
2762 }
2763
2764 #ifdef UAUDIO_DEBUG
2765 if (uaudiodebug > 8) {
2766 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2767 cb->buffer, ch->residue));
2768 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2769 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2770 }
2771 }
2772 #endif
2773
2774 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2775 /* Fill the request */
2776 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2777 UAUDIO_NFRAMES, USBD_NO_COPY,
2778 uaudio_chan_pintr);
2779
2780 (void)usbd_transfer(cb->xfer);
2781 }
2782
2783 Static void
2784 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2785 usbd_status status)
2786 {
2787 struct chanbuf *cb;
2788 struct chan *ch;
2789 uint32_t count;
2790 int s;
2791
2792 cb = priv;
2793 ch = cb->chan;
2794 /* Return if we are aborting. */
2795 if (status == USBD_CANCELLED)
2796 return;
2797
2798 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2799 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2800 count, ch->transferred));
2801 #ifdef DIAGNOSTIC
2802 if (count != cb->size) {
2803 aprint_error("uaudio_chan_pintr: count(%d) != size(%d)\n",
2804 count, cb->size);
2805 }
2806 #endif
2807
2808 ch->transferred += cb->size;
2809 s = splaudio();
2810 /* Call back to upper layer */
2811 while (ch->transferred >= ch->blksize) {
2812 ch->transferred -= ch->blksize;
2813 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2814 ch->intr, ch->arg));
2815 ch->intr(ch->arg);
2816 }
2817 splx(s);
2818
2819 /* start next transfer */
2820 uaudio_chan_ptransfer(ch);
2821 }
2822
2823 /* Called at splusb() */
2824 Static void
2825 uaudio_chan_rtransfer(struct chan *ch)
2826 {
2827 struct chanbuf *cb;
2828 int i, size, residue, total;
2829
2830 if (ch->sc->sc_dying)
2831 return;
2832
2833 /* Pick the next channel buffer. */
2834 cb = &ch->chanbufs[ch->curchanbuf];
2835 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2836 ch->curchanbuf = 0;
2837
2838 /* Compute the size of each frame in the next transfer. */
2839 residue = ch->residue;
2840 total = 0;
2841 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2842 size = ch->bytes_per_frame;
2843 cb->sizes[i] = size;
2844 cb->offsets[i] = total;
2845 total += size;
2846 }
2847 ch->residue = residue;
2848 cb->size = total;
2849
2850 #ifdef UAUDIO_DEBUG
2851 if (uaudiodebug > 8) {
2852 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2853 cb->buffer, ch->residue));
2854 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2855 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2856 }
2857 }
2858 #endif
2859
2860 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2861 /* Fill the request */
2862 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2863 UAUDIO_NFRAMES, USBD_NO_COPY,
2864 uaudio_chan_rintr);
2865
2866 (void)usbd_transfer(cb->xfer);
2867 }
2868
2869 Static void
2870 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2871 usbd_status status)
2872 {
2873 struct chanbuf *cb;
2874 struct chan *ch;
2875 uint32_t count;
2876 int s, i, n, frsize;
2877
2878 cb = priv;
2879 ch = cb->chan;
2880 /* Return if we are aborting. */
2881 if (status == USBD_CANCELLED)
2882 return;
2883
2884 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2885 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2886 count, ch->transferred));
2887
2888 /* count < cb->size is normal for asynchronous source */
2889 #ifdef DIAGNOSTIC
2890 if (count > cb->size) {
2891 aprint_error("uaudio_chan_rintr: count(%d) > size(%d)\n",
2892 count, cb->size);
2893 }
2894 #endif
2895
2896 /*
2897 * Transfer data from channel buffer to upper layer buffer, taking
2898 * care of wrapping the upper layer buffer.
2899 */
2900 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2901 frsize = cb->sizes[i];
2902 n = min(frsize, ch->end - ch->cur);
2903 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2904 ch->cur += n;
2905 if (ch->cur >= ch->end)
2906 ch->cur = ch->start;
2907 if (frsize > n) {
2908 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2909 frsize - n);
2910 ch->cur += frsize - n;
2911 }
2912 }
2913
2914 /* Call back to upper layer */
2915 ch->transferred += count;
2916 s = splaudio();
2917 while (ch->transferred >= ch->blksize) {
2918 ch->transferred -= ch->blksize;
2919 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2920 ch->intr, ch->arg));
2921 ch->intr(ch->arg);
2922 }
2923 splx(s);
2924
2925 /* start next transfer */
2926 uaudio_chan_rtransfer(ch);
2927 }
2928
2929 Static void
2930 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2931 int maxpktsize)
2932 {
2933 int samples_per_frame, sample_size;
2934
2935 ch->altidx = altidx;
2936 sample_size = param->precision * param->channels / 8;
2937 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2938 ch->sample_size = sample_size;
2939 ch->sample_rate = param->sample_rate;
2940 if (maxpktsize == 0) {
2941 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2942 ch->bytes_per_frame = samples_per_frame * sample_size;
2943 } else {
2944 ch->fraction = 0;
2945 ch->bytes_per_frame = maxpktsize;
2946 }
2947 ch->residue = 0;
2948 }
2949
2950 Static void
2951 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2952 {
2953
2954 ch->start = start;
2955 ch->end = end;
2956 ch->cur = start;
2957 ch->blksize = blksize;
2958 ch->transferred = 0;
2959 ch->curchanbuf = 0;
2960 }
2961
2962 Static int
2963 uaudio_set_params(void *addr, int setmode, int usemode,
2964 struct audio_params *play, struct audio_params *rec,
2965 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
2966 {
2967 struct uaudio_softc *sc;
2968 int paltidx, raltidx;
2969 struct audio_params *p;
2970 stream_filter_list_t *fil;
2971 int mode, i;
2972
2973 sc = addr;
2974 paltidx = -1;
2975 raltidx = -1;
2976 if (sc->sc_dying)
2977 return EIO;
2978
2979 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
2980 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
2981 return EBUSY;
2982
2983 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
2984 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
2985 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
2986 }
2987 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
2988 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
2989 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
2990 }
2991
2992 /* Some uaudio devices are unidirectional. Don't try to find a
2993 matching mode for the unsupported direction. */
2994 setmode &= sc->sc_mode;
2995
2996 for (mode = AUMODE_RECORD; mode != -1;
2997 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
2998 if ((setmode & mode) == 0)
2999 continue;
3000
3001 if (mode == AUMODE_PLAY) {
3002 p = play;
3003 fil = pfil;
3004 } else {
3005 p = rec;
3006 fil = rfil;
3007 }
3008 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
3009 mode, p, TRUE, fil);
3010 if (i < 0)
3011 return EINVAL;
3012
3013 if (mode == AUMODE_PLAY)
3014 paltidx = i;
3015 else
3016 raltidx = i;
3017 }
3018
3019 if ((setmode & AUMODE_PLAY)) {
3020 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3021 /* XXX abort transfer if currently happening? */
3022 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3023 }
3024 if ((setmode & AUMODE_RECORD)) {
3025 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3026 /* XXX abort transfer if currently happening? */
3027 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3028 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3029 }
3030
3031 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3032 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3033 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3034 }
3035 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3036 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3037 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3038 }
3039
3040 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3041 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3042 (sc->sc_playchan.altidx >= 0)
3043 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3044 : -1,
3045 (sc->sc_recchan.altidx >= 0)
3046 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3047 : -1));
3048
3049 return 0;
3050 }
3051
3052 Static usbd_status
3053 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3054 {
3055 usb_device_request_t req;
3056 uint8_t data[3];
3057
3058 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3059 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3060 req.bRequest = SET_CUR;
3061 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3062 USETW(req.wIndex, endpt);
3063 USETW(req.wLength, 3);
3064 data[0] = speed;
3065 data[1] = speed >> 8;
3066 data[2] = speed >> 16;
3067
3068 return usbd_do_request(sc->sc_udev, &req, data);
3069 }
3070
3071 #ifdef _MODULE
3072
3073 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL);
3074
3075 static const struct cfiattrdata audiobuscf_iattrdata = {
3076 "audiobus", 0, { { NULL, NULL, 0 }, }
3077 };
3078 static const struct cfiattrdata * const uaudio_attrs[] = {
3079 &audiobuscf_iattrdata, NULL
3080 };
3081 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs);
3082 extern struct cfattach uaudio_ca;
3083 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = {
3084 -1/*USBIFIFCF_PORT_DEFAULT*/,
3085 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/,
3086 -1/*USBIFIFCF_INTERFACE_DEFAULT*/,
3087 -1/*USBIFIFCF_VENDOR_DEFAULT*/,
3088 -1/*USBIFIFCF_PRODUCT_DEFAULT*/,
3089 -1/*USBIFIFCF_RELEASE_DEFAULT*/};
3090 static struct cfparent uhubparent = {
3091 "usbifif", NULL, DVUNIT_ANY
3092 };
3093 static struct cfdata uaudio_cfdata[] = {
3094 {
3095 .cf_name = "uaudio",
3096 .cf_atname = "uaudio",
3097 .cf_unit = 0,
3098 .cf_fstate = FSTATE_STAR,
3099 .cf_loc = uaudioloc,
3100 .cf_flags = 0,
3101 .cf_pspec = &uhubparent,
3102 },
3103 { NULL }
3104 };
3105
3106 static int
3107 uaudio_modcmd(modcmd_t cmd, void *arg)
3108 {
3109 int err;
3110
3111 switch (cmd) {
3112 case MODULE_CMD_INIT:
3113 err = config_cfdriver_attach(&uaudio_cd);
3114 if (err) {
3115 return err;
3116 }
3117 err = config_cfattach_attach("uaudio", &uaudio_ca);
3118 if (err) {
3119 config_cfdriver_detach(&uaudio_cd);
3120 return err;
3121 }
3122 err = config_cfdata_attach(uaudio_cfdata, 1);
3123 if (err) {
3124 config_cfattach_detach("uaudio", &uaudio_ca);
3125 config_cfdriver_detach(&uaudio_cd);
3126 return err;
3127 }
3128 return 0;
3129 case MODULE_CMD_FINI:
3130 err = config_cfdata_detach(uaudio_cfdata);
3131 if (err)
3132 return err;
3133 config_cfattach_detach("uaudio", &uaudio_ca);
3134 config_cfdriver_detach(&uaudio_cd);
3135 return 0;
3136 default:
3137 return ENOTTY;
3138 }
3139 }
3140
3141 #endif
3142