uaudio.c revision 1.121 1 /* $NetBSD: uaudio.c,v 1.121 2011/11/23 23:07:36 jmcneill Exp $ */
2
3 /*
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (lennart (at) augustsson.net) at
9 * Carlstedt Research & Technology.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * USB audio specs: http://www.usb.org/developers/devclass_docs/audio10.pdf
35 * http://www.usb.org/developers/devclass_docs/frmts10.pdf
36 * http://www.usb.org/developers/devclass_docs/termt10.pdf
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.121 2011/11/23 23:07:36 jmcneill Exp $");
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/malloc.h>
46 #include <sys/device.h>
47 #include <sys/ioctl.h>
48 #include <sys/file.h>
49 #include <sys/reboot.h> /* for bootverbose */
50 #include <sys/select.h>
51 #include <sys/proc.h>
52 #include <sys/vnode.h>
53 #include <sys/poll.h>
54 #include <sys/module.h>
55 #include <sys/bus.h>
56
57 #include <sys/audioio.h>
58 #include <dev/audio_if.h>
59 #include <dev/audiovar.h>
60 #include <dev/mulaw.h>
61 #include <dev/auconv.h>
62
63 #include <dev/usb/usb.h>
64 #include <dev/usb/usbdi.h>
65 #include <dev/usb/usbdivar.h>
66 #include <dev/usb/usbdi_util.h>
67 #include <dev/usb/usb_quirks.h>
68
69 #include <dev/usb/usbdevs.h>
70
71 #include <dev/usb/uaudioreg.h>
72
73 /* #define UAUDIO_DEBUG */
74 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
75 #ifdef UAUDIO_DEBUG
76 #define DPRINTF(x) do { if (uaudiodebug) printf x; } while (0)
77 #define DPRINTFN(n,x) do { if (uaudiodebug>(n)) printf x; } while (0)
78 int uaudiodebug = 0;
79 #else
80 #define DPRINTF(x)
81 #define DPRINTFN(n,x)
82 #endif
83
84 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
85 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
86
87
88 #define MIX_MAX_CHAN 8
89 struct mixerctl {
90 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
91 uint16_t wIndex;
92 uint8_t nchan;
93 uint8_t type;
94 #define MIX_ON_OFF 1
95 #define MIX_SIGNED_16 2
96 #define MIX_UNSIGNED_16 3
97 #define MIX_SIGNED_8 4
98 #define MIX_SELECTOR 5
99 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
100 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
101 int minval, maxval;
102 u_int delta;
103 u_int mul;
104 uint8_t class;
105 char ctlname[MAX_AUDIO_DEV_LEN];
106 const char *ctlunit;
107 };
108 #define MAKE(h,l) (((h) << 8) | (l))
109
110 struct as_info {
111 uint8_t alt;
112 uint8_t encoding;
113 uint8_t attributes; /* Copy of bmAttributes of
114 * usb_audio_streaming_endpoint_descriptor
115 */
116 usbd_interface_handle ifaceh;
117 const usb_interface_descriptor_t *idesc;
118 const usb_endpoint_descriptor_audio_t *edesc;
119 const usb_endpoint_descriptor_audio_t *edesc1;
120 const struct usb_audio_streaming_type1_descriptor *asf1desc;
121 struct audio_format *aformat;
122 int sc_busy; /* currently used */
123 };
124
125 struct chan {
126 void (*intr)(void *); /* DMA completion intr handler */
127 void *arg; /* arg for intr() */
128 usbd_pipe_handle pipe;
129 usbd_pipe_handle sync_pipe;
130
131 u_int sample_size;
132 u_int sample_rate;
133 u_int bytes_per_frame;
134 u_int fraction; /* fraction/1000 is the extra samples/frame */
135 u_int residue; /* accumulates the fractional samples */
136
137 u_char *start; /* upper layer buffer start */
138 u_char *end; /* upper layer buffer end */
139 u_char *cur; /* current position in upper layer buffer */
140 int blksize; /* chunk size to report up */
141 int transferred; /* transferred bytes not reported up */
142
143 int altidx; /* currently used altidx */
144
145 int curchanbuf;
146 struct chanbuf {
147 struct chan *chan;
148 usbd_xfer_handle xfer;
149 u_char *buffer;
150 uint16_t sizes[UAUDIO_NFRAMES];
151 uint16_t offsets[UAUDIO_NFRAMES];
152 uint16_t size;
153 } chanbufs[UAUDIO_NCHANBUFS];
154
155 struct uaudio_softc *sc; /* our softc */
156 };
157
158 /*
159 * XXX Locking notes:
160 *
161 * The MI USB audio subsystem is not MP-SAFE. Our strategy here
162 * is to ensure we have the kernel lock held when calling into
163 * usbd, and, generally, to have dropped the sc_intr_lock during
164 * these sections as well since the usb code will sleep.
165 */
166 struct uaudio_softc {
167 device_t sc_dev; /* base device */
168 kmutex_t sc_lock;
169 kmutex_t sc_intr_lock;
170 usbd_device_handle sc_udev; /* USB device */
171 int sc_ac_iface; /* Audio Control interface */
172 usbd_interface_handle sc_ac_ifaceh;
173 struct chan sc_playchan; /* play channel */
174 struct chan sc_recchan; /* record channel */
175 int sc_nullalt;
176 int sc_audio_rev;
177 struct as_info *sc_alts; /* alternate settings */
178 int sc_nalts; /* # of alternate settings */
179 int sc_altflags;
180 #define HAS_8 0x01
181 #define HAS_16 0x02
182 #define HAS_8U 0x04
183 #define HAS_ALAW 0x08
184 #define HAS_MULAW 0x10
185 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
186 #define HAS_24 0x40
187 int sc_mode; /* play/record capability */
188 struct mixerctl *sc_ctls; /* mixer controls */
189 int sc_nctls; /* # of mixer controls */
190 device_t sc_audiodev;
191 struct audio_format *sc_formats;
192 int sc_nformats;
193 struct audio_encoding_set *sc_encodings;
194 u_int sc_channel_config;
195 char sc_dying;
196 struct audio_device sc_adev;
197 };
198
199 struct terminal_list {
200 int size;
201 uint16_t terminals[1];
202 };
203 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
204 + sizeof(uint16_t) * (N))
205
206 struct io_terminal {
207 union {
208 const uaudio_cs_descriptor_t *desc;
209 const struct usb_audio_input_terminal *it;
210 const struct usb_audio_output_terminal *ot;
211 const struct usb_audio_mixer_unit *mu;
212 const struct usb_audio_selector_unit *su;
213 const struct usb_audio_feature_unit *fu;
214 const struct usb_audio_processing_unit *pu;
215 const struct usb_audio_extension_unit *eu;
216 } d;
217 int inputs_size;
218 struct terminal_list **inputs; /* list of source input terminals */
219 struct terminal_list *output; /* list of destination output terminals */
220 int direct; /* directly connected to an output terminal */
221 };
222
223 #define UAC_OUTPUT 0
224 #define UAC_INPUT 1
225 #define UAC_EQUAL 2
226 #define UAC_RECORD 3
227 #define UAC_NCLASSES 4
228 #ifdef UAUDIO_DEBUG
229 Static const char *uac_names[] = {
230 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
231 };
232 #endif
233
234 Static usbd_status uaudio_identify_ac
235 (struct uaudio_softc *, const usb_config_descriptor_t *);
236 Static usbd_status uaudio_identify_as
237 (struct uaudio_softc *, const usb_config_descriptor_t *);
238 Static usbd_status uaudio_process_as
239 (struct uaudio_softc *, const char *, int *, int,
240 const usb_interface_descriptor_t *);
241
242 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *);
243
244 Static const usb_interface_descriptor_t *uaudio_find_iface
245 (const char *, int, int *, int);
246
247 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *);
248 Static char *uaudio_id_name
249 (struct uaudio_softc *, const struct io_terminal *, int);
250 #ifdef UAUDIO_DEBUG
251 Static void uaudio_dump_cluster(const struct usb_audio_cluster *);
252 #endif
253 Static struct usb_audio_cluster uaudio_get_cluster
254 (int, const struct io_terminal *);
255 Static void uaudio_add_input
256 (struct uaudio_softc *, const struct io_terminal *, int);
257 Static void uaudio_add_output
258 (struct uaudio_softc *, const struct io_terminal *, int);
259 Static void uaudio_add_mixer
260 (struct uaudio_softc *, const struct io_terminal *, int);
261 Static void uaudio_add_selector
262 (struct uaudio_softc *, const struct io_terminal *, int);
263 #ifdef UAUDIO_DEBUG
264 Static const char *uaudio_get_terminal_name(int);
265 #endif
266 Static int uaudio_determine_class
267 (const struct io_terminal *, struct mixerctl *);
268 Static const char *uaudio_feature_name
269 (const struct io_terminal *, struct mixerctl *);
270 Static void uaudio_add_feature
271 (struct uaudio_softc *, const struct io_terminal *, int);
272 Static void uaudio_add_processing_updown
273 (struct uaudio_softc *, const struct io_terminal *, int);
274 Static void uaudio_add_processing
275 (struct uaudio_softc *, const struct io_terminal *, int);
276 Static void uaudio_add_extension
277 (struct uaudio_softc *, const struct io_terminal *, int);
278 Static struct terminal_list *uaudio_merge_terminal_list
279 (const struct io_terminal *);
280 Static struct terminal_list *uaudio_io_terminaltype
281 (int, struct io_terminal *, int);
282 Static usbd_status uaudio_identify
283 (struct uaudio_softc *, const usb_config_descriptor_t *);
284
285 Static int uaudio_signext(int, int);
286 Static int uaudio_value2bsd(struct mixerctl *, int);
287 Static int uaudio_bsd2value(struct mixerctl *, int);
288 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int);
289 Static int uaudio_ctl_get
290 (struct uaudio_softc *, int, struct mixerctl *, int);
291 Static void uaudio_set
292 (struct uaudio_softc *, int, int, int, int, int, int);
293 Static void uaudio_ctl_set
294 (struct uaudio_softc *, int, struct mixerctl *, int, int);
295
296 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int);
297
298 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *);
299 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
300 Static usbd_status uaudio_chan_alloc_buffers
301 (struct uaudio_softc *, struct chan *);
302 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
303 Static void uaudio_chan_init
304 (struct chan *, int, const struct audio_params *, int);
305 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
306 Static void uaudio_chan_ptransfer(struct chan *);
307 Static void uaudio_chan_pintr
308 (usbd_xfer_handle, usbd_private_handle, usbd_status);
309
310 Static void uaudio_chan_rtransfer(struct chan *);
311 Static void uaudio_chan_rintr
312 (usbd_xfer_handle, usbd_private_handle, usbd_status);
313
314 Static int uaudio_open(void *, int);
315 Static void uaudio_close(void *);
316 Static int uaudio_drain(void *);
317 Static int uaudio_query_encoding(void *, struct audio_encoding *);
318 Static int uaudio_set_params
319 (void *, int, int, struct audio_params *, struct audio_params *,
320 stream_filter_list_t *, stream_filter_list_t *);
321 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
322 Static int uaudio_trigger_output
323 (void *, void *, void *, int, void (*)(void *), void *,
324 const audio_params_t *);
325 Static int uaudio_trigger_input
326 (void *, void *, void *, int, void (*)(void *), void *,
327 const audio_params_t *);
328 Static int uaudio_halt_in_dma(void *);
329 Static int uaudio_halt_out_dma(void *);
330 Static int uaudio_getdev(void *, struct audio_device *);
331 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
332 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
333 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
334 Static int uaudio_get_props(void *);
335 Static void uaudio_get_locks(void *, kmutex_t **, kmutex_t **);
336
337 Static const struct audio_hw_if uaudio_hw_if = {
338 uaudio_open,
339 uaudio_close,
340 uaudio_drain,
341 uaudio_query_encoding,
342 uaudio_set_params,
343 uaudio_round_blocksize,
344 NULL,
345 NULL,
346 NULL,
347 NULL,
348 NULL,
349 uaudio_halt_out_dma,
350 uaudio_halt_in_dma,
351 NULL,
352 uaudio_getdev,
353 NULL,
354 uaudio_mixer_set_port,
355 uaudio_mixer_get_port,
356 uaudio_query_devinfo,
357 NULL,
358 NULL,
359 NULL,
360 NULL,
361 uaudio_get_props,
362 uaudio_trigger_output,
363 uaudio_trigger_input,
364 NULL,
365 uaudio_get_locks,
366 };
367
368 int uaudio_match(device_t, cfdata_t, void *);
369 void uaudio_attach(device_t, device_t, void *);
370 int uaudio_detach(device_t, int);
371 void uaudio_childdet(device_t, device_t);
372 int uaudio_activate(device_t, enum devact);
373
374 extern struct cfdriver uaudio_cd;
375
376 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc),
377 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL,
378 uaudio_childdet);
379
380 int
381 uaudio_match(device_t parent, cfdata_t match, void *aux)
382 {
383 struct usbif_attach_arg *uaa = aux;
384
385 /* Trigger on the control interface. */
386 if (uaa->class != UICLASS_AUDIO ||
387 uaa->subclass != UISUBCLASS_AUDIOCONTROL ||
388 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
389 return UMATCH_NONE;
390
391 return UMATCH_IFACECLASS_IFACESUBCLASS;
392 }
393
394 void
395 uaudio_attach(device_t parent, device_t self, void *aux)
396 {
397 struct uaudio_softc *sc = device_private(self);
398 struct usbif_attach_arg *uaa = aux;
399 usb_interface_descriptor_t *id;
400 usb_config_descriptor_t *cdesc;
401 char *devinfop;
402 usbd_status err;
403 int i, j, found;
404
405 sc->sc_dev = self;
406 sc->sc_udev = uaa->device;
407 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
408 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_USB);
409
410 strlcpy(sc->sc_adev.name, "USB audio", sizeof(sc->sc_adev.name));
411 strlcpy(sc->sc_adev.version, "", sizeof(sc->sc_adev.version));
412 snprintf(sc->sc_adev.config, sizeof(sc->sc_adev.config), "usb:%08x",
413 sc->sc_udev->cookie.cookie);
414
415 aprint_naive("\n");
416 aprint_normal("\n");
417
418 devinfop = usbd_devinfo_alloc(uaa->device, 0);
419 aprint_normal_dev(self, "%s\n", devinfop);
420 usbd_devinfo_free(devinfop);
421
422 cdesc = usbd_get_config_descriptor(sc->sc_udev);
423 if (cdesc == NULL) {
424 aprint_error_dev(self,
425 "failed to get configuration descriptor\n");
426 return;
427 }
428
429 err = uaudio_identify(sc, cdesc);
430 if (err) {
431 aprint_error_dev(self,
432 "audio descriptors make no sense, error=%d\n", err);
433 return;
434 }
435
436 sc->sc_ac_ifaceh = uaa->iface;
437 /* Pick up the AS interface. */
438 for (i = 0; i < uaa->nifaces; i++) {
439 if (uaa->ifaces[i] == NULL)
440 continue;
441 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
442 if (id == NULL)
443 continue;
444 found = 0;
445 for (j = 0; j < sc->sc_nalts; j++) {
446 if (id->bInterfaceNumber ==
447 sc->sc_alts[j].idesc->bInterfaceNumber) {
448 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
449 found = 1;
450 }
451 }
452 if (found)
453 uaa->ifaces[i] = NULL;
454 }
455
456 for (j = 0; j < sc->sc_nalts; j++) {
457 if (sc->sc_alts[j].ifaceh == NULL) {
458 aprint_error_dev(self,
459 "alt %d missing AS interface(s)\n", j);
460 return;
461 }
462 }
463
464 aprint_normal_dev(self, "audio rev %d.%02x\n",
465 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
466
467 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
468 sc->sc_playchan.altidx = -1;
469 sc->sc_recchan.altidx = -1;
470
471 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
472 sc->sc_altflags |= UA_NOFRAC;
473
474 #ifndef UAUDIO_DEBUG
475 if (bootverbose)
476 #endif
477 aprint_normal_dev(self, "%d mixer controls\n",
478 sc->sc_nctls);
479
480 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
481 sc->sc_dev);
482
483 DPRINTF(("uaudio_attach: doing audio_attach_mi\n"));
484 #if defined(__OpenBSD__)
485 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev);
486 #else
487 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev);
488 #endif
489
490 return;
491 }
492
493 int
494 uaudio_activate(device_t self, enum devact act)
495 {
496 struct uaudio_softc *sc = device_private(self);
497
498 switch (act) {
499 case DVACT_DEACTIVATE:
500 sc->sc_dying = 1;
501 return 0;
502 default:
503 return EOPNOTSUPP;
504 }
505 }
506
507 void
508 uaudio_childdet(device_t self, device_t child)
509 {
510 struct uaudio_softc *sc = device_private(self);
511
512 KASSERT(sc->sc_audiodev == child);
513 sc->sc_audiodev = NULL;
514 }
515
516 int
517 uaudio_detach(device_t self, int flags)
518 {
519 struct uaudio_softc *sc = device_private(self);
520 int rv;
521
522 rv = 0;
523 /* Wait for outstanding requests to complete. */
524 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
525
526 if (sc->sc_audiodev != NULL)
527 rv = config_detach(sc->sc_audiodev, flags);
528
529 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
530 sc->sc_dev);
531
532 if (sc->sc_formats != NULL)
533 free(sc->sc_formats, M_USBDEV);
534 auconv_delete_encodings(sc->sc_encodings);
535
536 mutex_destroy(&sc->sc_lock);
537 mutex_destroy(&sc->sc_intr_lock);
538
539 return rv;
540 }
541
542 Static int
543 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
544 {
545 struct uaudio_softc *sc;
546 int flags;
547
548 sc = addr;
549 flags = sc->sc_altflags;
550 if (sc->sc_dying)
551 return EIO;
552
553 if (sc->sc_nalts == 0 || flags == 0)
554 return ENXIO;
555
556 return auconv_query_encoding(sc->sc_encodings, fp);
557 }
558
559 Static const usb_interface_descriptor_t *
560 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
561 {
562 const usb_interface_descriptor_t *d;
563
564 while (*offsp < size) {
565 d = (const void *)(tbuf + *offsp);
566 *offsp += d->bLength;
567 if (d->bDescriptorType == UDESC_INTERFACE &&
568 d->bInterfaceClass == UICLASS_AUDIO &&
569 d->bInterfaceSubClass == subtype)
570 return d;
571 }
572 return NULL;
573 }
574
575 Static void
576 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
577 {
578 int res;
579 size_t len;
580 struct mixerctl *nmc;
581
582 if (mc->class < UAC_NCLASSES) {
583 DPRINTF(("%s: adding %s.%s\n",
584 __func__, uac_names[mc->class], mc->ctlname));
585 } else {
586 DPRINTF(("%s: adding %s\n", __func__, mc->ctlname));
587 }
588 len = sizeof(*mc) * (sc->sc_nctls + 1);
589 nmc = malloc(len, M_USBDEV, M_NOWAIT);
590 if (nmc == NULL) {
591 aprint_error("uaudio_mixer_add_ctl: no memory\n");
592 return;
593 }
594 /* Copy old data, if there was any */
595 if (sc->sc_nctls != 0) {
596 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
597 free(sc->sc_ctls, M_USBDEV);
598 }
599 sc->sc_ctls = nmc;
600
601 mc->delta = 0;
602 if (mc->type == MIX_ON_OFF) {
603 mc->minval = 0;
604 mc->maxval = 1;
605 } else if (mc->type == MIX_SELECTOR) {
606 ;
607 } else {
608 /* Determine min and max values. */
609 mc->minval = uaudio_signext(mc->type,
610 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
611 mc->wValue[0], mc->wIndex,
612 MIX_SIZE(mc->type)));
613 mc->maxval = 1 + uaudio_signext(mc->type,
614 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
615 mc->wValue[0], mc->wIndex,
616 MIX_SIZE(mc->type)));
617 mc->mul = mc->maxval - mc->minval;
618 if (mc->mul == 0)
619 mc->mul = 1;
620 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
621 mc->wValue[0], mc->wIndex,
622 MIX_SIZE(mc->type));
623 if (res > 0)
624 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
625 }
626
627 sc->sc_ctls[sc->sc_nctls++] = *mc;
628
629 #ifdef UAUDIO_DEBUG
630 if (uaudiodebug > 2) {
631 int i;
632 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0]));
633 for (i = 1; i < mc->nchan; i++)
634 DPRINTF((",%04x", mc->wValue[i]));
635 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' "
636 "min=%d max=%d\n",
637 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
638 mc->minval, mc->maxval));
639 }
640 #endif
641 }
642
643 Static char *
644 uaudio_id_name(struct uaudio_softc *sc,
645 const struct io_terminal *iot, int id)
646 {
647 static char tbuf[32];
648
649 snprintf(tbuf, sizeof(tbuf), "i%d", id);
650 return tbuf;
651 }
652
653 #ifdef UAUDIO_DEBUG
654 Static void
655 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
656 {
657 static const char *channel_names[16] = {
658 "LEFT", "RIGHT", "CENTER", "LFE",
659 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
660 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
661 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
662 };
663 int cc, i, first;
664
665 cc = UGETW(cl->wChannelConfig);
666 printf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
667 cl->bNrChannels, cc);
668 first = TRUE;
669 for (i = 0; cc != 0; i++) {
670 if (cc & 1) {
671 printf("%c%s", first ? '<' : ',', channel_names[i]);
672 first = FALSE;
673 }
674 cc = cc >> 1;
675 }
676 printf("> iChannelNames=%u", cl->iChannelNames);
677 }
678 #endif
679
680 Static struct usb_audio_cluster
681 uaudio_get_cluster(int id, const struct io_terminal *iot)
682 {
683 struct usb_audio_cluster r;
684 const uaudio_cs_descriptor_t *dp;
685 int i;
686
687 for (i = 0; i < 25; i++) { /* avoid infinite loops */
688 dp = iot[id].d.desc;
689 if (dp == 0)
690 goto bad;
691 switch (dp->bDescriptorSubtype) {
692 case UDESCSUB_AC_INPUT:
693 r.bNrChannels = iot[id].d.it->bNrChannels;
694 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
695 r.iChannelNames = iot[id].d.it->iChannelNames;
696 return r;
697 case UDESCSUB_AC_OUTPUT:
698 id = iot[id].d.ot->bSourceId;
699 break;
700 case UDESCSUB_AC_MIXER:
701 r = *(const struct usb_audio_cluster *)
702 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
703 return r;
704 case UDESCSUB_AC_SELECTOR:
705 /* XXX This is not really right */
706 id = iot[id].d.su->baSourceId[0];
707 break;
708 case UDESCSUB_AC_FEATURE:
709 id = iot[id].d.fu->bSourceId;
710 break;
711 case UDESCSUB_AC_PROCESSING:
712 r = *(const struct usb_audio_cluster *)
713 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
714 return r;
715 case UDESCSUB_AC_EXTENSION:
716 r = *(const struct usb_audio_cluster *)
717 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
718 return r;
719 default:
720 goto bad;
721 }
722 }
723 bad:
724 aprint_error("uaudio_get_cluster: bad data\n");
725 memset(&r, 0, sizeof r);
726 return r;
727
728 }
729
730 Static void
731 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
732 {
733 const struct usb_audio_input_terminal *d;
734
735 d = iot[id].d.it;
736 #ifdef UAUDIO_DEBUG
737 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x "
738 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
739 "iChannelNames=%d iTerminal=%d\n",
740 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
741 d->bNrChannels, UGETW(d->wChannelConfig),
742 d->iChannelNames, d->iTerminal));
743 #endif
744 /* If USB input terminal, record wChannelConfig */
745 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
746 return;
747 sc->sc_channel_config = UGETW(d->wChannelConfig);
748 }
749
750 Static void
751 uaudio_add_output(struct uaudio_softc *sc,
752 const struct io_terminal *iot, int id)
753 {
754 #ifdef UAUDIO_DEBUG
755 const struct usb_audio_output_terminal *d;
756
757 d = iot[id].d.ot;
758 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x "
759 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
760 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
761 d->bSourceId, d->iTerminal));
762 #endif
763 }
764
765 Static void
766 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
767 {
768 const struct usb_audio_mixer_unit *d;
769 const struct usb_audio_mixer_unit_1 *d1;
770 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
771 const uByte *bm;
772 struct mixerctl mix;
773
774 d = iot[id].d.mu;
775 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n",
776 d->bUnitId, d->bNrInPins));
777
778 /* Compute the number of input channels */
779 ichs = 0;
780 for (i = 0; i < d->bNrInPins; i++)
781 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
782
783 /* and the number of output channels */
784 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
785 ochs = d1->bNrChannels;
786 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs));
787
788 bm = d1->bmControls;
789 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
790 uaudio_determine_class(&iot[id], &mix);
791 mix.type = MIX_SIGNED_16;
792 mix.ctlunit = AudioNvolume;
793 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
794 for (p = i = 0; i < d->bNrInPins; i++) {
795 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
796 mc = 0;
797 for (c = 0; c < chs; c++) {
798 mo = 0;
799 for (o = 0; o < ochs; o++) {
800 bno = (p + c) * ochs + o;
801 if (_BIT(bno))
802 mo++;
803 }
804 if (mo == 1)
805 mc++;
806 }
807 if (mc == chs && chs <= MIX_MAX_CHAN) {
808 k = 0;
809 for (c = 0; c < chs; c++)
810 for (o = 0; o < ochs; o++) {
811 bno = (p + c) * ochs + o;
812 if (_BIT(bno))
813 mix.wValue[k++] =
814 MAKE(p+c+1, o+1);
815 }
816 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
817 d->bUnitId, uaudio_id_name(sc, iot,
818 d->baSourceId[i]));
819 mix.nchan = chs;
820 uaudio_mixer_add_ctl(sc, &mix);
821 } else {
822 /* XXX */
823 }
824 #undef _BIT
825 p += chs;
826 }
827
828 }
829
830 Static void
831 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
832 {
833 const struct usb_audio_selector_unit *d;
834 struct mixerctl mix;
835 int i, wp;
836
837 d = iot[id].d.su;
838 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
839 d->bUnitId, d->bNrInPins));
840 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
841 mix.wValue[0] = MAKE(0, 0);
842 uaudio_determine_class(&iot[id], &mix);
843 mix.nchan = 1;
844 mix.type = MIX_SELECTOR;
845 mix.ctlunit = "";
846 mix.minval = 1;
847 mix.maxval = d->bNrInPins;
848 mix.mul = mix.maxval - mix.minval;
849 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
850 for (i = 1; i <= d->bNrInPins; i++) {
851 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
852 "i%d", d->baSourceId[i - 1]);
853 if (wp > MAX_AUDIO_DEV_LEN - 1)
854 break;
855 }
856 uaudio_mixer_add_ctl(sc, &mix);
857 }
858
859 #ifdef UAUDIO_DEBUG
860 Static const char *
861 uaudio_get_terminal_name(int terminal_type)
862 {
863 static char tbuf[100];
864
865 switch (terminal_type) {
866 /* USB terminal types */
867 case UAT_UNDEFINED: return "UAT_UNDEFINED";
868 case UAT_STREAM: return "UAT_STREAM";
869 case UAT_VENDOR: return "UAT_VENDOR";
870 /* input terminal types */
871 case UATI_UNDEFINED: return "UATI_UNDEFINED";
872 case UATI_MICROPHONE: return "UATI_MICROPHONE";
873 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
874 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
875 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
876 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
877 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
878 /* output terminal types */
879 case UATO_UNDEFINED: return "UATO_UNDEFINED";
880 case UATO_SPEAKER: return "UATO_SPEAKER";
881 case UATO_HEADPHONES: return "UATO_HEADPHONES";
882 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
883 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
884 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
885 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
886 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
887 /* bidir terminal types */
888 case UATB_UNDEFINED: return "UATB_UNDEFINED";
889 case UATB_HANDSET: return "UATB_HANDSET";
890 case UATB_HEADSET: return "UATB_HEADSET";
891 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
892 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
893 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
894 /* telephony terminal types */
895 case UATT_UNDEFINED: return "UATT_UNDEFINED";
896 case UATT_PHONELINE: return "UATT_PHONELINE";
897 case UATT_TELEPHONE: return "UATT_TELEPHONE";
898 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
899 /* external terminal types */
900 case UATE_UNDEFINED: return "UATE_UNDEFINED";
901 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
902 case UATE_LINECONN: return "UATE_LINECONN";
903 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
904 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
905 case UATE_SPDIF: return "UATE_SPDIF";
906 case UATE_1394DA: return "UATE_1394DA";
907 case UATE_1394DV: return "UATE_1394DV";
908 /* embedded function terminal types */
909 case UATF_UNDEFINED: return "UATF_UNDEFINED";
910 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
911 case UATF_EQUNOISE: return "UATF_EQUNOISE";
912 case UATF_CDPLAYER: return "UATF_CDPLAYER";
913 case UATF_DAT: return "UATF_DAT";
914 case UATF_DCC: return "UATF_DCC";
915 case UATF_MINIDISK: return "UATF_MINIDISK";
916 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
917 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
918 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
919 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
920 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
921 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
922 case UATF_SATELLITE: return "UATF_SATELLITE";
923 case UATF_CABLETUNER: return "UATF_CABLETUNER";
924 case UATF_DSS: return "UATF_DSS";
925 case UATF_RADIORECV: return "UATF_RADIORECV";
926 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
927 case UATF_MULTITRACK: return "UATF_MULTITRACK";
928 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
929 default:
930 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
931 return tbuf;
932 }
933 }
934 #endif
935
936 Static int
937 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
938 {
939 int terminal_type;
940
941 if (iot == NULL || iot->output == NULL) {
942 mix->class = UAC_OUTPUT;
943 return 0;
944 }
945 terminal_type = 0;
946 if (iot->output->size == 1)
947 terminal_type = iot->output->terminals[0];
948 /*
949 * If the only output terminal is USB,
950 * the class is UAC_RECORD.
951 */
952 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
953 mix->class = UAC_RECORD;
954 if (iot->inputs_size == 1
955 && iot->inputs[0] != NULL
956 && iot->inputs[0]->size == 1)
957 return iot->inputs[0]->terminals[0];
958 else
959 return 0;
960 }
961 /*
962 * If the ultimate destination of the unit is just one output
963 * terminal and the unit is connected to the output terminal
964 * directly, the class is UAC_OUTPUT.
965 */
966 if (terminal_type != 0 && iot->direct) {
967 mix->class = UAC_OUTPUT;
968 return terminal_type;
969 }
970 /*
971 * If the unit is connected to just one input terminal,
972 * the class is UAC_INPUT.
973 */
974 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
975 && iot->inputs[0]->size == 1) {
976 mix->class = UAC_INPUT;
977 return iot->inputs[0]->terminals[0];
978 }
979 /*
980 * Otherwise, the class is UAC_OUTPUT.
981 */
982 mix->class = UAC_OUTPUT;
983 return terminal_type;
984 }
985
986 Static const char *
987 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
988 {
989 int terminal_type;
990
991 terminal_type = uaudio_determine_class(iot, mix);
992 if (mix->class == UAC_RECORD && terminal_type == 0)
993 return AudioNmixerout;
994 DPRINTF(("%s: terminal_type=%s\n", __func__,
995 uaudio_get_terminal_name(terminal_type)));
996 switch (terminal_type) {
997 case UAT_STREAM:
998 return AudioNdac;
999
1000 case UATI_MICROPHONE:
1001 case UATI_DESKMICROPHONE:
1002 case UATI_PERSONALMICROPHONE:
1003 case UATI_OMNIMICROPHONE:
1004 case UATI_MICROPHONEARRAY:
1005 case UATI_PROCMICROPHONEARR:
1006 return AudioNmicrophone;
1007
1008 case UATO_SPEAKER:
1009 case UATO_DESKTOPSPEAKER:
1010 case UATO_ROOMSPEAKER:
1011 case UATO_COMMSPEAKER:
1012 return AudioNspeaker;
1013
1014 case UATO_HEADPHONES:
1015 return AudioNheadphone;
1016
1017 case UATO_SUBWOOFER:
1018 return AudioNlfe;
1019
1020 /* telephony terminal types */
1021 case UATT_UNDEFINED:
1022 case UATT_PHONELINE:
1023 case UATT_TELEPHONE:
1024 case UATT_DOWNLINEPHONE:
1025 return "phone";
1026
1027 case UATE_ANALOGCONN:
1028 case UATE_LINECONN:
1029 case UATE_LEGACYCONN:
1030 return AudioNline;
1031
1032 case UATE_DIGITALAUIFC:
1033 case UATE_SPDIF:
1034 case UATE_1394DA:
1035 case UATE_1394DV:
1036 return AudioNaux;
1037
1038 case UATF_CDPLAYER:
1039 return AudioNcd;
1040
1041 case UATF_SYNTHESIZER:
1042 return AudioNfmsynth;
1043
1044 case UATF_VIDEODISCAUDIO:
1045 case UATF_DVDAUDIO:
1046 case UATF_TVTUNERAUDIO:
1047 return AudioNvideo;
1048
1049 case UAT_UNDEFINED:
1050 case UAT_VENDOR:
1051 case UATI_UNDEFINED:
1052 /* output terminal types */
1053 case UATO_UNDEFINED:
1054 case UATO_DISPLAYAUDIO:
1055 /* bidir terminal types */
1056 case UATB_UNDEFINED:
1057 case UATB_HANDSET:
1058 case UATB_HEADSET:
1059 case UATB_SPEAKERPHONE:
1060 case UATB_SPEAKERPHONEESUP:
1061 case UATB_SPEAKERPHONEECANC:
1062 /* external terminal types */
1063 case UATE_UNDEFINED:
1064 /* embedded function terminal types */
1065 case UATF_UNDEFINED:
1066 case UATF_CALIBNOISE:
1067 case UATF_EQUNOISE:
1068 case UATF_DAT:
1069 case UATF_DCC:
1070 case UATF_MINIDISK:
1071 case UATF_ANALOGTAPE:
1072 case UATF_PHONOGRAPH:
1073 case UATF_VCRAUDIO:
1074 case UATF_SATELLITE:
1075 case UATF_CABLETUNER:
1076 case UATF_DSS:
1077 case UATF_RADIORECV:
1078 case UATF_RADIOXMIT:
1079 case UATF_MULTITRACK:
1080 case 0xffff:
1081 default:
1082 DPRINTF(("%s: 'master' for 0x%.4x\n", __func__, terminal_type));
1083 return AudioNmaster;
1084 }
1085 return AudioNmaster;
1086 }
1087
1088 Static void
1089 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1090 {
1091 const struct usb_audio_feature_unit *d;
1092 const uByte *ctls;
1093 int ctlsize;
1094 int nchan;
1095 u_int fumask, mmask, cmask;
1096 struct mixerctl mix;
1097 int chan, ctl, i, unit;
1098 const char *mixername;
1099
1100 #define GET(i) (ctls[(i)*ctlsize] | \
1101 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1102 d = iot[id].d.fu;
1103 ctls = d->bmaControls;
1104 ctlsize = d->bControlSize;
1105 nchan = (d->bLength - 7) / ctlsize;
1106 mmask = GET(0);
1107 /* Figure out what we can control */
1108 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1109 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n",
1110 chan, GET(chan)));
1111 cmask |= GET(chan);
1112 }
1113
1114 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d, "
1115 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1116 d->bUnitId, nchan, mmask, cmask));
1117
1118 if (nchan > MIX_MAX_CHAN)
1119 nchan = MIX_MAX_CHAN;
1120 unit = d->bUnitId;
1121 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1122 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1123 fumask = FU_MASK(ctl);
1124 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n",
1125 ctl, fumask));
1126 if (mmask & fumask) {
1127 mix.nchan = 1;
1128 mix.wValue[0] = MAKE(ctl, 0);
1129 } else if (cmask & fumask) {
1130 mix.nchan = nchan - 1;
1131 for (i = 1; i < nchan; i++) {
1132 if (GET(i) & fumask)
1133 mix.wValue[i-1] = MAKE(ctl, i);
1134 else
1135 mix.wValue[i-1] = -1;
1136 }
1137 } else {
1138 continue;
1139 }
1140 #undef GET
1141 mixername = uaudio_feature_name(&iot[id], &mix);
1142 switch (ctl) {
1143 case MUTE_CONTROL:
1144 mix.type = MIX_ON_OFF;
1145 mix.ctlunit = "";
1146 snprintf(mix.ctlname, sizeof(mix.ctlname),
1147 "%s.%s", mixername, AudioNmute);
1148 break;
1149 case VOLUME_CONTROL:
1150 mix.type = MIX_SIGNED_16;
1151 mix.ctlunit = AudioNvolume;
1152 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1153 break;
1154 case BASS_CONTROL:
1155 mix.type = MIX_SIGNED_8;
1156 mix.ctlunit = AudioNbass;
1157 snprintf(mix.ctlname, sizeof(mix.ctlname),
1158 "%s.%s", mixername, AudioNbass);
1159 break;
1160 case MID_CONTROL:
1161 mix.type = MIX_SIGNED_8;
1162 mix.ctlunit = AudioNmid;
1163 snprintf(mix.ctlname, sizeof(mix.ctlname),
1164 "%s.%s", mixername, AudioNmid);
1165 break;
1166 case TREBLE_CONTROL:
1167 mix.type = MIX_SIGNED_8;
1168 mix.ctlunit = AudioNtreble;
1169 snprintf(mix.ctlname, sizeof(mix.ctlname),
1170 "%s.%s", mixername, AudioNtreble);
1171 break;
1172 case GRAPHIC_EQUALIZER_CONTROL:
1173 continue; /* XXX don't add anything */
1174 break;
1175 case AGC_CONTROL:
1176 mix.type = MIX_ON_OFF;
1177 mix.ctlunit = "";
1178 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1179 mixername, AudioNagc);
1180 break;
1181 case DELAY_CONTROL:
1182 mix.type = MIX_UNSIGNED_16;
1183 mix.ctlunit = "4 ms";
1184 snprintf(mix.ctlname, sizeof(mix.ctlname),
1185 "%s.%s", mixername, AudioNdelay);
1186 break;
1187 case BASS_BOOST_CONTROL:
1188 mix.type = MIX_ON_OFF;
1189 mix.ctlunit = "";
1190 snprintf(mix.ctlname, sizeof(mix.ctlname),
1191 "%s.%s", mixername, AudioNbassboost);
1192 break;
1193 case LOUDNESS_CONTROL:
1194 mix.type = MIX_ON_OFF;
1195 mix.ctlunit = "";
1196 snprintf(mix.ctlname, sizeof(mix.ctlname),
1197 "%s.%s", mixername, AudioNloudness);
1198 break;
1199 }
1200 uaudio_mixer_add_ctl(sc, &mix);
1201 }
1202 }
1203
1204 Static void
1205 uaudio_add_processing_updown(struct uaudio_softc *sc,
1206 const struct io_terminal *iot, int id)
1207 {
1208 const struct usb_audio_processing_unit *d;
1209 const struct usb_audio_processing_unit_1 *d1;
1210 const struct usb_audio_processing_unit_updown *ud;
1211 struct mixerctl mix;
1212 int i;
1213
1214 d = iot[id].d.pu;
1215 d1 = (const struct usb_audio_processing_unit_1 *)
1216 &d->baSourceId[d->bNrInPins];
1217 ud = (const struct usb_audio_processing_unit_updown *)
1218 &d1->bmControls[d1->bControlSize];
1219 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n",
1220 d->bUnitId, ud->bNrModes));
1221
1222 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1223 DPRINTF(("uaudio_add_processing_updown: no mode select\n"));
1224 return;
1225 }
1226
1227 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1228 mix.nchan = 1;
1229 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1230 uaudio_determine_class(&iot[id], &mix);
1231 mix.type = MIX_ON_OFF; /* XXX */
1232 mix.ctlunit = "";
1233 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1234
1235 for (i = 0; i < ud->bNrModes; i++) {
1236 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n",
1237 i, UGETW(ud->waModes[i])));
1238 /* XXX */
1239 }
1240 uaudio_mixer_add_ctl(sc, &mix);
1241 }
1242
1243 Static void
1244 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1245 {
1246 const struct usb_audio_processing_unit *d;
1247 const struct usb_audio_processing_unit_1 *d1;
1248 int ptype;
1249 struct mixerctl mix;
1250
1251 d = iot[id].d.pu;
1252 d1 = (const struct usb_audio_processing_unit_1 *)
1253 &d->baSourceId[d->bNrInPins];
1254 ptype = UGETW(d->wProcessType);
1255 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d "
1256 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins));
1257
1258 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1259 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1260 mix.nchan = 1;
1261 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1262 uaudio_determine_class(&iot[id], &mix);
1263 mix.type = MIX_ON_OFF;
1264 mix.ctlunit = "";
1265 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1266 d->bUnitId, ptype);
1267 uaudio_mixer_add_ctl(sc, &mix);
1268 }
1269
1270 switch(ptype) {
1271 case UPDOWNMIX_PROCESS:
1272 uaudio_add_processing_updown(sc, iot, id);
1273 break;
1274 case DOLBY_PROLOGIC_PROCESS:
1275 case P3D_STEREO_EXTENDER_PROCESS:
1276 case REVERBATION_PROCESS:
1277 case CHORUS_PROCESS:
1278 case DYN_RANGE_COMP_PROCESS:
1279 default:
1280 #ifdef UAUDIO_DEBUG
1281 aprint_debug(
1282 "uaudio_add_processing: unit %d, type=%d not impl.\n",
1283 d->bUnitId, ptype);
1284 #endif
1285 break;
1286 }
1287 }
1288
1289 Static void
1290 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1291 {
1292 const struct usb_audio_extension_unit *d;
1293 const struct usb_audio_extension_unit_1 *d1;
1294 struct mixerctl mix;
1295
1296 d = iot[id].d.eu;
1297 d1 = (const struct usb_audio_extension_unit_1 *)
1298 &d->baSourceId[d->bNrInPins];
1299 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n",
1300 d->bUnitId, d->bNrInPins));
1301
1302 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1303 return;
1304
1305 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1306 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1307 mix.nchan = 1;
1308 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1309 uaudio_determine_class(&iot[id], &mix);
1310 mix.type = MIX_ON_OFF;
1311 mix.ctlunit = "";
1312 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1313 d->bUnitId);
1314 uaudio_mixer_add_ctl(sc, &mix);
1315 }
1316 }
1317
1318 Static struct terminal_list*
1319 uaudio_merge_terminal_list(const struct io_terminal *iot)
1320 {
1321 struct terminal_list *tml;
1322 uint16_t *ptm;
1323 int i, len;
1324
1325 len = 0;
1326 if (iot->inputs == NULL)
1327 return NULL;
1328 for (i = 0; i < iot->inputs_size; i++) {
1329 if (iot->inputs[i] != NULL)
1330 len += iot->inputs[i]->size;
1331 }
1332 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1333 if (tml == NULL) {
1334 aprint_error("uaudio_merge_terminal_list: no memory\n");
1335 return NULL;
1336 }
1337 tml->size = 0;
1338 ptm = tml->terminals;
1339 for (i = 0; i < iot->inputs_size; i++) {
1340 if (iot->inputs[i] == NULL)
1341 continue;
1342 if (iot->inputs[i]->size > len)
1343 break;
1344 memcpy(ptm, iot->inputs[i]->terminals,
1345 iot->inputs[i]->size * sizeof(uint16_t));
1346 tml->size += iot->inputs[i]->size;
1347 ptm += iot->inputs[i]->size;
1348 len -= iot->inputs[i]->size;
1349 }
1350 return tml;
1351 }
1352
1353 Static struct terminal_list *
1354 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1355 {
1356 struct terminal_list *tml;
1357 struct io_terminal *it;
1358 int src_id, i;
1359
1360 it = &iot[id];
1361 if (it->output != NULL) {
1362 /* already has outtype? */
1363 for (i = 0; i < it->output->size; i++)
1364 if (it->output->terminals[i] == outtype)
1365 return uaudio_merge_terminal_list(it);
1366 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1367 M_TEMP, M_NOWAIT);
1368 if (tml == NULL) {
1369 aprint_error("uaudio_io_terminaltype: no memory\n");
1370 return uaudio_merge_terminal_list(it);
1371 }
1372 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1373 tml->terminals[it->output->size] = outtype;
1374 tml->size++;
1375 free(it->output, M_TEMP);
1376 it->output = tml;
1377 if (it->inputs != NULL) {
1378 for (i = 0; i < it->inputs_size; i++)
1379 if (it->inputs[i] != NULL)
1380 free(it->inputs[i], M_TEMP);
1381 free(it->inputs, M_TEMP);
1382 }
1383 it->inputs_size = 0;
1384 it->inputs = NULL;
1385 } else { /* end `iot[id] != NULL' */
1386 it->inputs_size = 0;
1387 it->inputs = NULL;
1388 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1389 if (it->output == NULL) {
1390 aprint_error("uaudio_io_terminaltype: no memory\n");
1391 return NULL;
1392 }
1393 it->output->terminals[0] = outtype;
1394 it->output->size = 1;
1395 it->direct = FALSE;
1396 }
1397
1398 switch (it->d.desc->bDescriptorSubtype) {
1399 case UDESCSUB_AC_INPUT:
1400 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1401 if (it->inputs == NULL) {
1402 aprint_error("uaudio_io_terminaltype: no memory\n");
1403 return NULL;
1404 }
1405 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1406 if (tml == NULL) {
1407 aprint_error("uaudio_io_terminaltype: no memory\n");
1408 free(it->inputs, M_TEMP);
1409 it->inputs = NULL;
1410 return NULL;
1411 }
1412 it->inputs[0] = tml;
1413 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1414 tml->size = 1;
1415 it->inputs_size = 1;
1416 return uaudio_merge_terminal_list(it);
1417 case UDESCSUB_AC_FEATURE:
1418 src_id = it->d.fu->bSourceId;
1419 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1420 if (it->inputs == NULL) {
1421 aprint_error("uaudio_io_terminaltype: no memory\n");
1422 return uaudio_io_terminaltype(outtype, iot, src_id);
1423 }
1424 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1425 it->inputs_size = 1;
1426 return uaudio_merge_terminal_list(it);
1427 case UDESCSUB_AC_OUTPUT:
1428 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1429 if (it->inputs == NULL) {
1430 aprint_error("uaudio_io_terminaltype: no memory\n");
1431 return NULL;
1432 }
1433 src_id = it->d.ot->bSourceId;
1434 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1435 it->inputs_size = 1;
1436 iot[src_id].direct = TRUE;
1437 return NULL;
1438 case UDESCSUB_AC_MIXER:
1439 it->inputs_size = 0;
1440 it->inputs = malloc(sizeof(struct terminal_list *)
1441 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1442 if (it->inputs == NULL) {
1443 aprint_error("uaudio_io_terminaltype: no memory\n");
1444 return NULL;
1445 }
1446 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1447 src_id = it->d.mu->baSourceId[i];
1448 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1449 src_id);
1450 it->inputs_size++;
1451 }
1452 return uaudio_merge_terminal_list(it);
1453 case UDESCSUB_AC_SELECTOR:
1454 it->inputs_size = 0;
1455 it->inputs = malloc(sizeof(struct terminal_list *)
1456 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1457 if (it->inputs == NULL) {
1458 aprint_error("uaudio_io_terminaltype: no memory\n");
1459 return NULL;
1460 }
1461 for (i = 0; i < it->d.su->bNrInPins; i++) {
1462 src_id = it->d.su->baSourceId[i];
1463 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1464 src_id);
1465 it->inputs_size++;
1466 }
1467 return uaudio_merge_terminal_list(it);
1468 case UDESCSUB_AC_PROCESSING:
1469 it->inputs_size = 0;
1470 it->inputs = malloc(sizeof(struct terminal_list *)
1471 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1472 if (it->inputs == NULL) {
1473 aprint_error("uaudio_io_terminaltype: no memory\n");
1474 return NULL;
1475 }
1476 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1477 src_id = it->d.pu->baSourceId[i];
1478 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1479 src_id);
1480 it->inputs_size++;
1481 }
1482 return uaudio_merge_terminal_list(it);
1483 case UDESCSUB_AC_EXTENSION:
1484 it->inputs_size = 0;
1485 it->inputs = malloc(sizeof(struct terminal_list *)
1486 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1487 if (it->inputs == NULL) {
1488 aprint_error("uaudio_io_terminaltype: no memory\n");
1489 return NULL;
1490 }
1491 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1492 src_id = it->d.eu->baSourceId[i];
1493 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1494 src_id);
1495 it->inputs_size++;
1496 }
1497 return uaudio_merge_terminal_list(it);
1498 case UDESCSUB_AC_HEADER:
1499 default:
1500 return NULL;
1501 }
1502 }
1503
1504 Static usbd_status
1505 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1506 {
1507 usbd_status err;
1508
1509 err = uaudio_identify_ac(sc, cdesc);
1510 if (err)
1511 return err;
1512 return uaudio_identify_as(sc, cdesc);
1513 }
1514
1515 Static void
1516 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1517 {
1518 size_t len;
1519 struct as_info *nai;
1520
1521 len = sizeof(*ai) * (sc->sc_nalts + 1);
1522 nai = malloc(len, M_USBDEV, M_NOWAIT);
1523 if (nai == NULL) {
1524 aprint_error("uaudio_add_alt: no memory\n");
1525 return;
1526 }
1527 /* Copy old data, if there was any */
1528 if (sc->sc_nalts != 0) {
1529 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1530 free(sc->sc_alts, M_USBDEV);
1531 }
1532 sc->sc_alts = nai;
1533 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n",
1534 ai->alt, ai->encoding));
1535 sc->sc_alts[sc->sc_nalts++] = *ai;
1536 }
1537
1538 Static usbd_status
1539 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1540 int size, const usb_interface_descriptor_t *id)
1541 #define offs (*offsp)
1542 {
1543 const struct usb_audio_streaming_interface_descriptor *asid;
1544 const struct usb_audio_streaming_type1_descriptor *asf1d;
1545 const usb_endpoint_descriptor_audio_t *ed;
1546 const usb_endpoint_descriptor_audio_t *epdesc1;
1547 const struct usb_audio_streaming_endpoint_descriptor *sed;
1548 int format, chan, prec, enc;
1549 int dir, type, sync;
1550 struct as_info ai;
1551 const char *format_str;
1552
1553 asid = (const void *)(tbuf + offs);
1554 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1555 asid->bDescriptorSubtype != AS_GENERAL)
1556 return USBD_INVAL;
1557 DPRINTF(("uaudio_process_as: asid: bTerminakLink=%d wFormatTag=%d\n",
1558 asid->bTerminalLink, UGETW(asid->wFormatTag)));
1559 offs += asid->bLength;
1560 if (offs > size)
1561 return USBD_INVAL;
1562
1563 asf1d = (const void *)(tbuf + offs);
1564 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1565 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1566 return USBD_INVAL;
1567 offs += asf1d->bLength;
1568 if (offs > size)
1569 return USBD_INVAL;
1570
1571 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1572 aprint_error_dev(sc->sc_dev,
1573 "ignored setting with type %d format\n", UGETW(asid->wFormatTag));
1574 return USBD_NORMAL_COMPLETION;
1575 }
1576
1577 ed = (const void *)(tbuf + offs);
1578 if (ed->bDescriptorType != UDESC_ENDPOINT)
1579 return USBD_INVAL;
1580 DPRINTF(("uaudio_process_as: endpoint[0] bLength=%d bDescriptorType=%d "
1581 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1582 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1583 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1584 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1585 ed->bInterval, ed->bRefresh, ed->bSynchAddress));
1586 offs += ed->bLength;
1587 if (offs > size)
1588 return USBD_INVAL;
1589 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1590 return USBD_INVAL;
1591
1592 dir = UE_GET_DIR(ed->bEndpointAddress);
1593 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1594 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1595 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1596 type = UE_ISO_ASYNC;
1597
1598 /* We can't handle endpoints that need a sync pipe yet. */
1599 sync = FALSE;
1600 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1601 sync = TRUE;
1602 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1603 aprint_error_dev(sc->sc_dev,
1604 "ignored input endpoint of type adaptive\n");
1605 return USBD_NORMAL_COMPLETION;
1606 #endif
1607 }
1608 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1609 sync = TRUE;
1610 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1611 aprint_error_dev(sc->sc_dev,
1612 "ignored output endpoint of type async\n");
1613 return USBD_NORMAL_COMPLETION;
1614 #endif
1615 }
1616
1617 sed = (const void *)(tbuf + offs);
1618 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1619 sed->bDescriptorSubtype != AS_GENERAL)
1620 return USBD_INVAL;
1621 DPRINTF((" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength));
1622 offs += sed->bLength;
1623 if (offs > size)
1624 return USBD_INVAL;
1625
1626 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1627 if (sync && id->bNumEndpoints <= 1) {
1628 aprint_error_dev(sc->sc_dev,
1629 "a sync-pipe endpoint but no other endpoint\n");
1630 return USBD_INVAL;
1631 }
1632 #endif
1633 if (!sync && id->bNumEndpoints > 1) {
1634 aprint_error_dev(sc->sc_dev,
1635 "non sync-pipe endpoint but multiple endpoints\n");
1636 return USBD_INVAL;
1637 }
1638 epdesc1 = NULL;
1639 if (id->bNumEndpoints > 1) {
1640 epdesc1 = (const void*)(tbuf + offs);
1641 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1642 return USBD_INVAL;
1643 DPRINTF(("uaudio_process_as: endpoint[1] bLength=%d "
1644 "bDescriptorType=%d bEndpointAddress=%d "
1645 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1646 "bRefresh=%d bSynchAddress=%d\n",
1647 epdesc1->bLength, epdesc1->bDescriptorType,
1648 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1649 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1650 epdesc1->bRefresh, epdesc1->bSynchAddress));
1651 offs += epdesc1->bLength;
1652 if (offs > size)
1653 return USBD_INVAL;
1654 if (epdesc1->bSynchAddress != 0) {
1655 aprint_error_dev(sc->sc_dev,
1656 "invalid endpoint: bSynchAddress=0\n");
1657 return USBD_INVAL;
1658 }
1659 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1660 aprint_error_dev(sc->sc_dev,
1661 "invalid endpoint: bmAttributes=0x%x\n",
1662 epdesc1->bmAttributes);
1663 return USBD_INVAL;
1664 }
1665 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1666 aprint_error_dev(sc->sc_dev,
1667 "invalid endpoint addresses: "
1668 "ep[0]->bSynchAddress=0x%x "
1669 "ep[1]->bEndpointAddress=0x%x\n",
1670 ed->bSynchAddress, epdesc1->bEndpointAddress);
1671 return USBD_INVAL;
1672 }
1673 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1674 }
1675
1676 format = UGETW(asid->wFormatTag);
1677 chan = asf1d->bNrChannels;
1678 prec = asf1d->bBitResolution;
1679 if (prec != 8 && prec != 16 && prec != 24) {
1680 aprint_error_dev(sc->sc_dev,
1681 "ignored setting with precision %d\n", prec);
1682 return USBD_NORMAL_COMPLETION;
1683 }
1684 switch (format) {
1685 case UA_FMT_PCM:
1686 if (prec == 8) {
1687 sc->sc_altflags |= HAS_8;
1688 } else if (prec == 16) {
1689 sc->sc_altflags |= HAS_16;
1690 } else if (prec == 24) {
1691 sc->sc_altflags |= HAS_24;
1692 }
1693 enc = AUDIO_ENCODING_SLINEAR_LE;
1694 format_str = "pcm";
1695 break;
1696 case UA_FMT_PCM8:
1697 enc = AUDIO_ENCODING_ULINEAR_LE;
1698 sc->sc_altflags |= HAS_8U;
1699 format_str = "pcm8";
1700 break;
1701 case UA_FMT_ALAW:
1702 enc = AUDIO_ENCODING_ALAW;
1703 sc->sc_altflags |= HAS_ALAW;
1704 format_str = "alaw";
1705 break;
1706 case UA_FMT_MULAW:
1707 enc = AUDIO_ENCODING_ULAW;
1708 sc->sc_altflags |= HAS_MULAW;
1709 format_str = "mulaw";
1710 break;
1711 case UA_FMT_IEEE_FLOAT:
1712 default:
1713 aprint_error_dev(sc->sc_dev,
1714 "ignored setting with format %d\n", format);
1715 return USBD_NORMAL_COMPLETION;
1716 }
1717 #ifdef UAUDIO_DEBUG
1718 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,",
1719 dir == UE_DIR_IN ? "recording" : "playback",
1720 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1721 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1722 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d),
1723 UA_SAMP_HI(asf1d));
1724 } else {
1725 int r;
1726 aprint_debug(" %d", UA_GETSAMP(asf1d, 0));
1727 for (r = 1; r < asf1d->bSamFreqType; r++)
1728 aprint_debug(",%d", UA_GETSAMP(asf1d, r));
1729 aprint_debug("Hz\n");
1730 }
1731 #endif
1732 ai.alt = id->bAlternateSetting;
1733 ai.encoding = enc;
1734 ai.attributes = sed->bmAttributes;
1735 ai.idesc = id;
1736 ai.edesc = ed;
1737 ai.edesc1 = epdesc1;
1738 ai.asf1desc = asf1d;
1739 ai.sc_busy = 0;
1740 ai.aformat = NULL;
1741 ai.ifaceh = NULL;
1742 uaudio_add_alt(sc, &ai);
1743 #ifdef UAUDIO_DEBUG
1744 if (ai.attributes & UA_SED_FREQ_CONTROL)
1745 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n"));
1746 if (ai.attributes & UA_SED_PITCH_CONTROL)
1747 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n"));
1748 #endif
1749 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1750
1751 return USBD_NORMAL_COMPLETION;
1752 }
1753 #undef offs
1754
1755 Static usbd_status
1756 uaudio_identify_as(struct uaudio_softc *sc,
1757 const usb_config_descriptor_t *cdesc)
1758 {
1759 const usb_interface_descriptor_t *id;
1760 const char *tbuf;
1761 struct audio_format *auf;
1762 const struct usb_audio_streaming_type1_descriptor *t1desc;
1763 int size, offs;
1764 int i, j;
1765
1766 size = UGETW(cdesc->wTotalLength);
1767 tbuf = (const char *)cdesc;
1768
1769 /* Locate the AudioStreaming interface descriptor. */
1770 offs = 0;
1771 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1772 if (id == NULL)
1773 return USBD_INVAL;
1774
1775 /* Loop through all the alternate settings. */
1776 while (offs <= size) {
1777 DPRINTFN(2, ("uaudio_identify: interface=%d offset=%d\n",
1778 id->bInterfaceNumber, offs));
1779 switch (id->bNumEndpoints) {
1780 case 0:
1781 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n",
1782 id->bAlternateSetting));
1783 sc->sc_nullalt = id->bAlternateSetting;
1784 break;
1785 case 1:
1786 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1787 case 2:
1788 #endif
1789 uaudio_process_as(sc, tbuf, &offs, size, id);
1790 break;
1791 default:
1792 aprint_error_dev(sc->sc_dev,
1793 "ignored audio interface with %d endpoints\n",
1794 id->bNumEndpoints);
1795 break;
1796 }
1797 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1798 if (id == NULL)
1799 break;
1800 }
1801 if (offs > size)
1802 return USBD_INVAL;
1803 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts));
1804
1805 if (sc->sc_mode == 0) {
1806 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n");
1807 return USBD_INVAL;
1808 }
1809
1810 /* build audio_format array */
1811 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1812 M_USBDEV, M_NOWAIT);
1813 if (sc->sc_formats == NULL)
1814 return USBD_NOMEM;
1815 sc->sc_nformats = sc->sc_nalts;
1816 for (i = 0; i < sc->sc_nalts; i++) {
1817 auf = &sc->sc_formats[i];
1818 t1desc = sc->sc_alts[i].asf1desc;
1819 auf->driver_data = NULL;
1820 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1821 auf->mode = AUMODE_PLAY;
1822 else
1823 auf->mode = AUMODE_RECORD;
1824 auf->encoding = sc->sc_alts[i].encoding;
1825 auf->validbits = t1desc->bBitResolution;
1826 auf->precision = t1desc->bSubFrameSize * 8;
1827 auf->channels = t1desc->bNrChannels;
1828 auf->channel_mask = sc->sc_channel_config;
1829 auf->frequency_type = t1desc->bSamFreqType;
1830 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1831 auf->frequency[0] = UA_SAMP_LO(t1desc);
1832 auf->frequency[1] = UA_SAMP_HI(t1desc);
1833 } else {
1834 for (j = 0; j < t1desc->bSamFreqType; j++) {
1835 if (j >= AUFMT_MAX_FREQUENCIES) {
1836 aprint_error("%s: please increase "
1837 "AUFMT_MAX_FREQUENCIES to %d\n",
1838 __func__, t1desc->bSamFreqType);
1839 break;
1840 }
1841 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1842 }
1843 }
1844 sc->sc_alts[i].aformat = auf;
1845 }
1846
1847 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1848 &sc->sc_encodings)) {
1849 free(sc->sc_formats, M_DEVBUF);
1850 sc->sc_formats = NULL;
1851 return ENOMEM;
1852 }
1853
1854 return USBD_NORMAL_COMPLETION;
1855 }
1856
1857 Static usbd_status
1858 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1859 {
1860 struct io_terminal* iot;
1861 const usb_interface_descriptor_t *id;
1862 const struct usb_audio_control_descriptor *acdp;
1863 const uaudio_cs_descriptor_t *dp;
1864 const struct usb_audio_output_terminal *pot;
1865 struct terminal_list *tml;
1866 const char *tbuf, *ibuf, *ibufend;
1867 int size, offs, ndps, i, j;
1868
1869 size = UGETW(cdesc->wTotalLength);
1870 tbuf = (const char *)cdesc;
1871
1872 /* Locate the AudioControl interface descriptor. */
1873 offs = 0;
1874 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1875 if (id == NULL)
1876 return USBD_INVAL;
1877 if (offs + sizeof *acdp > size)
1878 return USBD_INVAL;
1879 sc->sc_ac_iface = id->bInterfaceNumber;
1880 DPRINTFN(2,("uaudio_identify_ac: AC interface is %d\n", sc->sc_ac_iface));
1881
1882 /* A class-specific AC interface header should follow. */
1883 ibuf = tbuf + offs;
1884 ibufend = tbuf + size;
1885 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1886 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1887 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1888 return USBD_INVAL;
1889
1890 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1891 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1892 return USBD_INVAL;
1893
1894 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1895 DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x\n",
1896 sc->sc_audio_rev));
1897
1898 sc->sc_nullalt = -1;
1899
1900 /* Scan through all the AC specific descriptors */
1901 dp = (const uaudio_cs_descriptor_t *)ibuf;
1902 ndps = 0;
1903 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1904 if (iot == NULL) {
1905 aprint_error("%s: no memory\n", __func__);
1906 return USBD_NOMEM;
1907 }
1908 for (;;) {
1909 ibuf += dp->bLength;
1910 if (ibuf >= ibufend)
1911 break;
1912 dp = (const uaudio_cs_descriptor_t *)ibuf;
1913 if (ibuf + dp->bLength > ibufend) {
1914 free(iot, M_TEMP);
1915 return USBD_INVAL;
1916 }
1917 if (dp->bDescriptorType != UDESC_CS_INTERFACE)
1918 break;
1919 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1920 iot[i].d.desc = dp;
1921 if (i > ndps)
1922 ndps = i;
1923 }
1924 ndps++;
1925
1926 /* construct io_terminal */
1927 for (i = 0; i < ndps; i++) {
1928 dp = iot[i].d.desc;
1929 if (dp == NULL)
1930 continue;
1931 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1932 continue;
1933 pot = iot[i].d.ot;
1934 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1935 if (tml != NULL)
1936 free(tml, M_TEMP);
1937 }
1938
1939 #ifdef UAUDIO_DEBUG
1940 for (i = 0; i < 256; i++) {
1941 struct usb_audio_cluster cluster;
1942
1943 if (iot[i].d.desc == NULL)
1944 continue;
1945 printf("id %d:\t", i);
1946 switch (iot[i].d.desc->bDescriptorSubtype) {
1947 case UDESCSUB_AC_INPUT:
1948 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1949 (UGETW(iot[i].d.it->wTerminalType)));
1950 printf("\t");
1951 cluster = uaudio_get_cluster(i, iot);
1952 uaudio_dump_cluster(&cluster);
1953 printf("\n");
1954 break;
1955 case UDESCSUB_AC_OUTPUT:
1956 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1957 (UGETW(iot[i].d.ot->wTerminalType)));
1958 printf("src=%d\n", iot[i].d.ot->bSourceId);
1959 break;
1960 case UDESCSUB_AC_MIXER:
1961 printf("AC_MIXER src=");
1962 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1963 printf("%d ", iot[i].d.mu->baSourceId[j]);
1964 printf("\n\t");
1965 cluster = uaudio_get_cluster(i, iot);
1966 uaudio_dump_cluster(&cluster);
1967 printf("\n");
1968 break;
1969 case UDESCSUB_AC_SELECTOR:
1970 printf("AC_SELECTOR src=");
1971 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1972 printf("%d ", iot[i].d.su->baSourceId[j]);
1973 printf("\n");
1974 break;
1975 case UDESCSUB_AC_FEATURE:
1976 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1977 break;
1978 case UDESCSUB_AC_PROCESSING:
1979 printf("AC_PROCESSING src=");
1980 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1981 printf("%d ", iot[i].d.pu->baSourceId[j]);
1982 printf("\n\t");
1983 cluster = uaudio_get_cluster(i, iot);
1984 uaudio_dump_cluster(&cluster);
1985 printf("\n");
1986 break;
1987 case UDESCSUB_AC_EXTENSION:
1988 printf("AC_EXTENSION src=");
1989 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1990 printf("%d ", iot[i].d.eu->baSourceId[j]);
1991 printf("\n\t");
1992 cluster = uaudio_get_cluster(i, iot);
1993 uaudio_dump_cluster(&cluster);
1994 printf("\n");
1995 break;
1996 default:
1997 printf("unknown audio control (subtype=%d)\n",
1998 iot[i].d.desc->bDescriptorSubtype);
1999 }
2000 for (j = 0; j < iot[i].inputs_size; j++) {
2001 int k;
2002 printf("\tinput%d: ", j);
2003 tml = iot[i].inputs[j];
2004 if (tml == NULL) {
2005 printf("NULL\n");
2006 continue;
2007 }
2008 for (k = 0; k < tml->size; k++)
2009 printf("%s ", uaudio_get_terminal_name
2010 (tml->terminals[k]));
2011 printf("\n");
2012 }
2013 printf("\toutput: ");
2014 tml = iot[i].output;
2015 for (j = 0; j < tml->size; j++)
2016 printf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
2017 printf("\n");
2018 }
2019 #endif
2020
2021 for (i = 0; i < ndps; i++) {
2022 dp = iot[i].d.desc;
2023 if (dp == NULL)
2024 continue;
2025 DPRINTF(("uaudio_identify_ac: id=%d subtype=%d\n",
2026 i, dp->bDescriptorSubtype));
2027 switch (dp->bDescriptorSubtype) {
2028 case UDESCSUB_AC_HEADER:
2029 aprint_error("uaudio_identify_ac: unexpected AC header\n");
2030 break;
2031 case UDESCSUB_AC_INPUT:
2032 uaudio_add_input(sc, iot, i);
2033 break;
2034 case UDESCSUB_AC_OUTPUT:
2035 uaudio_add_output(sc, iot, i);
2036 break;
2037 case UDESCSUB_AC_MIXER:
2038 uaudio_add_mixer(sc, iot, i);
2039 break;
2040 case UDESCSUB_AC_SELECTOR:
2041 uaudio_add_selector(sc, iot, i);
2042 break;
2043 case UDESCSUB_AC_FEATURE:
2044 uaudio_add_feature(sc, iot, i);
2045 break;
2046 case UDESCSUB_AC_PROCESSING:
2047 uaudio_add_processing(sc, iot, i);
2048 break;
2049 case UDESCSUB_AC_EXTENSION:
2050 uaudio_add_extension(sc, iot, i);
2051 break;
2052 default:
2053 aprint_error(
2054 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2055 dp->bDescriptorSubtype);
2056 break;
2057 }
2058 }
2059
2060 /* delete io_terminal */
2061 for (i = 0; i < 256; i++) {
2062 if (iot[i].d.desc == NULL)
2063 continue;
2064 if (iot[i].inputs != NULL) {
2065 for (j = 0; j < iot[i].inputs_size; j++) {
2066 if (iot[i].inputs[j] != NULL)
2067 free(iot[i].inputs[j], M_TEMP);
2068 }
2069 free(iot[i].inputs, M_TEMP);
2070 }
2071 if (iot[i].output != NULL)
2072 free(iot[i].output, M_TEMP);
2073 iot[i].d.desc = NULL;
2074 }
2075 free(iot, M_TEMP);
2076
2077 return USBD_NORMAL_COMPLETION;
2078 }
2079
2080 Static int
2081 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2082 {
2083 struct uaudio_softc *sc;
2084 struct mixerctl *mc;
2085 int n, nctls, i;
2086
2087 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index));
2088 sc = addr;
2089 if (sc->sc_dying)
2090 return EIO;
2091
2092 n = mi->index;
2093 nctls = sc->sc_nctls;
2094
2095 switch (n) {
2096 case UAC_OUTPUT:
2097 mi->type = AUDIO_MIXER_CLASS;
2098 mi->mixer_class = UAC_OUTPUT;
2099 mi->next = mi->prev = AUDIO_MIXER_LAST;
2100 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2101 return 0;
2102 case UAC_INPUT:
2103 mi->type = AUDIO_MIXER_CLASS;
2104 mi->mixer_class = UAC_INPUT;
2105 mi->next = mi->prev = AUDIO_MIXER_LAST;
2106 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2107 return 0;
2108 case UAC_EQUAL:
2109 mi->type = AUDIO_MIXER_CLASS;
2110 mi->mixer_class = UAC_EQUAL;
2111 mi->next = mi->prev = AUDIO_MIXER_LAST;
2112 strlcpy(mi->label.name, AudioCequalization,
2113 sizeof(mi->label.name));
2114 return 0;
2115 case UAC_RECORD:
2116 mi->type = AUDIO_MIXER_CLASS;
2117 mi->mixer_class = UAC_RECORD;
2118 mi->next = mi->prev = AUDIO_MIXER_LAST;
2119 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2120 return 0;
2121 default:
2122 break;
2123 }
2124
2125 n -= UAC_NCLASSES;
2126 if (n < 0 || n >= nctls)
2127 return ENXIO;
2128
2129 mc = &sc->sc_ctls[n];
2130 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2131 mi->mixer_class = mc->class;
2132 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2133 switch (mc->type) {
2134 case MIX_ON_OFF:
2135 mi->type = AUDIO_MIXER_ENUM;
2136 mi->un.e.num_mem = 2;
2137 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2138 sizeof(mi->un.e.member[0].label.name));
2139 mi->un.e.member[0].ord = 0;
2140 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2141 sizeof(mi->un.e.member[1].label.name));
2142 mi->un.e.member[1].ord = 1;
2143 break;
2144 case MIX_SELECTOR:
2145 mi->type = AUDIO_MIXER_ENUM;
2146 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2147 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2148 snprintf(mi->un.e.member[i].label.name,
2149 sizeof(mi->un.e.member[i].label.name),
2150 "%d", i + mc->minval);
2151 mi->un.e.member[i].ord = i + mc->minval;
2152 }
2153 break;
2154 default:
2155 mi->type = AUDIO_MIXER_VALUE;
2156 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2157 mi->un.v.num_channels = mc->nchan;
2158 mi->un.v.delta = mc->delta;
2159 break;
2160 }
2161 return 0;
2162 }
2163
2164 Static int
2165 uaudio_open(void *addr, int flags)
2166 {
2167 struct uaudio_softc *sc;
2168
2169 sc = addr;
2170 DPRINTF(("uaudio_open: sc=%p\n", sc));
2171 if (sc->sc_dying)
2172 return EIO;
2173
2174 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2175 return EACCES;
2176 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2177 return EACCES;
2178
2179 return 0;
2180 }
2181
2182 /*
2183 * Close function is called at splaudio().
2184 */
2185 Static void
2186 uaudio_close(void *addr)
2187 {
2188 }
2189
2190 Static int
2191 uaudio_drain(void *addr)
2192 {
2193 struct uaudio_softc *sc = addr;
2194
2195 KASSERT(mutex_owned(&sc->sc_intr_lock));
2196
2197 kpause("uaudiodr", false,
2198 mstohz(UAUDIO_NCHANBUFS * UAUDIO_NFRAMES), &sc->sc_intr_lock);
2199
2200 return 0;
2201 }
2202
2203 Static int
2204 uaudio_halt_out_dma(void *addr)
2205 {
2206 struct uaudio_softc *sc = addr;
2207
2208 DPRINTF(("uaudio_halt_out_dma: enter\n"));
2209
2210 KERNEL_LOCK(1, curlwp);
2211 mutex_spin_exit(&sc->sc_intr_lock);
2212 if (sc->sc_playchan.pipe != NULL) {
2213 uaudio_chan_close(sc, &sc->sc_playchan);
2214 sc->sc_playchan.pipe = NULL;
2215 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2216 sc->sc_playchan.intr = NULL;
2217 }
2218 mutex_spin_enter(&sc->sc_intr_lock);
2219 KERNEL_UNLOCK_ONE(curlwp);
2220
2221 return 0;
2222 }
2223
2224 Static int
2225 uaudio_halt_in_dma(void *addr)
2226 {
2227 struct uaudio_softc *sc = addr;
2228
2229 DPRINTF(("uaudio_halt_in_dma: enter\n"));
2230
2231 KERNEL_LOCK(1, curlwp);
2232 mutex_spin_exit(&sc->sc_intr_lock);
2233 if (sc->sc_recchan.pipe != NULL) {
2234 uaudio_chan_close(sc, &sc->sc_recchan);
2235 sc->sc_recchan.pipe = NULL;
2236 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2237 sc->sc_recchan.intr = NULL;
2238 }
2239 mutex_spin_enter(&sc->sc_intr_lock);
2240 KERNEL_UNLOCK_ONE(curlwp);
2241
2242 return 0;
2243 }
2244
2245 Static int
2246 uaudio_getdev(void *addr, struct audio_device *retp)
2247 {
2248 struct uaudio_softc *sc;
2249
2250 DPRINTF(("uaudio_mixer_getdev:\n"));
2251 sc = addr;
2252 if (sc->sc_dying)
2253 return EIO;
2254
2255 *retp = sc->sc_adev;
2256 return 0;
2257 }
2258
2259 /*
2260 * Make sure the block size is large enough to hold all outstanding transfers.
2261 */
2262 Static int
2263 uaudio_round_blocksize(void *addr, int blk,
2264 int mode, const audio_params_t *param)
2265 {
2266 struct uaudio_softc *sc;
2267 int b;
2268
2269 sc = addr;
2270 DPRINTF(("uaudio_round_blocksize: blk=%d mode=%s\n", blk,
2271 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"));
2272
2273 /* chan.bytes_per_frame can be 0. */
2274 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2275 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2276
2277 /*
2278 * This does not make accurate value in the case
2279 * of b % USB_FRAMES_PER_SECOND != 0
2280 */
2281 b /= USB_FRAMES_PER_SECOND;
2282
2283 b *= param->precision / 8 * param->channels;
2284 } else {
2285 /*
2286 * use wMaxPacketSize in bytes_per_frame.
2287 * See uaudio_set_params() and uaudio_chan_init()
2288 */
2289 b = sc->sc_recchan.bytes_per_frame
2290 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2291 }
2292
2293 if (b <= 0)
2294 b = 1;
2295 blk = blk <= b ? b : blk / b * b;
2296
2297 #ifdef DIAGNOSTIC
2298 if (blk <= 0) {
2299 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk);
2300 blk = 512;
2301 }
2302 #endif
2303
2304 DPRINTF(("uaudio_round_blocksize: resultant blk=%d\n", blk));
2305 return blk;
2306 }
2307
2308 Static int
2309 uaudio_get_props(void *addr)
2310 {
2311 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2312
2313 }
2314
2315 Static void
2316 uaudio_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
2317 {
2318 struct uaudio_softc *sc;
2319
2320 sc = addr;
2321 *intr = &sc->sc_intr_lock;
2322 *thread = &sc->sc_lock;
2323 }
2324
2325 Static int
2326 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2327 int wIndex, int len)
2328 {
2329 usb_device_request_t req;
2330 u_int8_t data[4];
2331 usbd_status err;
2332 int val;
2333
2334 if (wValue == -1)
2335 return 0;
2336
2337 req.bmRequestType = type;
2338 req.bRequest = which;
2339 USETW(req.wValue, wValue);
2340 USETW(req.wIndex, wIndex);
2341 USETW(req.wLength, len);
2342 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x "
2343 "wIndex=0x%04x len=%d\n",
2344 type, which, wValue, wIndex, len));
2345 err = usbd_do_request(sc->sc_udev, &req, data);
2346 if (err) {
2347 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err)));
2348 return -1;
2349 }
2350 switch (len) {
2351 case 1:
2352 val = data[0];
2353 break;
2354 case 2:
2355 val = data[0] | (data[1] << 8);
2356 break;
2357 default:
2358 DPRINTF(("uaudio_get: bad length=%d\n", len));
2359 return -1;
2360 }
2361 DPRINTFN(2,("uaudio_get: val=%d\n", val));
2362 return val;
2363 }
2364
2365 Static void
2366 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2367 int wIndex, int len, int val)
2368 {
2369 usb_device_request_t req;
2370 u_int8_t data[4];
2371 usbd_status err;
2372
2373 if (wValue == -1)
2374 return;
2375
2376 req.bmRequestType = type;
2377 req.bRequest = which;
2378 USETW(req.wValue, wValue);
2379 USETW(req.wIndex, wIndex);
2380 USETW(req.wLength, len);
2381 switch (len) {
2382 case 1:
2383 data[0] = val;
2384 break;
2385 case 2:
2386 data[0] = val;
2387 data[1] = val >> 8;
2388 break;
2389 default:
2390 return;
2391 }
2392 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x "
2393 "wIndex=0x%04x len=%d, val=%d\n",
2394 type, which, wValue, wIndex, len, val & 0xffff));
2395 err = usbd_do_request(sc->sc_udev, &req, data);
2396 #ifdef UAUDIO_DEBUG
2397 if (err)
2398 DPRINTF(("uaudio_set: err=%d\n", err));
2399 #endif
2400 }
2401
2402 Static int
2403 uaudio_signext(int type, int val)
2404 {
2405 if (!MIX_UNSIGNED(type)) {
2406 if (MIX_SIZE(type) == 2)
2407 val = (int16_t)val;
2408 else
2409 val = (int8_t)val;
2410 }
2411 return val;
2412 }
2413
2414 Static int
2415 uaudio_value2bsd(struct mixerctl *mc, int val)
2416 {
2417 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ",
2418 mc->type, val, mc->minval, mc->maxval));
2419 if (mc->type == MIX_ON_OFF) {
2420 val = (val != 0);
2421 } else if (mc->type == MIX_SELECTOR) {
2422 if (val < mc->minval || val > mc->maxval)
2423 val = mc->minval;
2424 } else
2425 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2426 + mc->mul/2) / mc->mul;
2427 DPRINTFN(5, ("val'=%d\n", val));
2428 return val;
2429 }
2430
2431 int
2432 uaudio_bsd2value(struct mixerctl *mc, int val)
2433 {
2434 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ",
2435 mc->type, val, mc->minval, mc->maxval));
2436 if (mc->type == MIX_ON_OFF) {
2437 val = (val != 0);
2438 } else if (mc->type == MIX_SELECTOR) {
2439 if (val < mc->minval || val > mc->maxval)
2440 val = mc->minval;
2441 } else
2442 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2443 DPRINTFN(5, ("val'=%d\n", val));
2444 return val;
2445 }
2446
2447 Static int
2448 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2449 int chan)
2450 {
2451 int val;
2452
2453 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan));
2454 KERNEL_LOCK(1, curlwp);
2455 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2456 mc->wIndex, MIX_SIZE(mc->type));
2457 KERNEL_UNLOCK_ONE(curlwp);
2458 return uaudio_value2bsd(mc, val);
2459 }
2460
2461 Static void
2462 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2463 int chan, int val)
2464 {
2465 val = uaudio_bsd2value(mc, val);
2466 KERNEL_LOCK(1, curlwp);
2467 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2468 mc->wIndex, MIX_SIZE(mc->type), val);
2469 KERNEL_UNLOCK_ONE(curlwp);
2470 }
2471
2472 Static int
2473 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2474 {
2475 struct uaudio_softc *sc;
2476 struct mixerctl *mc;
2477 int i, n, vals[MIX_MAX_CHAN], val;
2478
2479 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev));
2480 sc = addr;
2481 if (sc->sc_dying)
2482 return EIO;
2483
2484 n = cp->dev - UAC_NCLASSES;
2485 if (n < 0 || n >= sc->sc_nctls)
2486 return ENXIO;
2487 mc = &sc->sc_ctls[n];
2488
2489 if (mc->type == MIX_ON_OFF) {
2490 if (cp->type != AUDIO_MIXER_ENUM)
2491 return EINVAL;
2492 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2493 } else if (mc->type == MIX_SELECTOR) {
2494 if (cp->type != AUDIO_MIXER_ENUM)
2495 return EINVAL;
2496 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2497 } else {
2498 if (cp->type != AUDIO_MIXER_VALUE)
2499 return EINVAL;
2500 if (cp->un.value.num_channels != 1 &&
2501 cp->un.value.num_channels != mc->nchan)
2502 return EINVAL;
2503 for (i = 0; i < mc->nchan; i++)
2504 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2505 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2506 for (val = 0, i = 0; i < mc->nchan; i++)
2507 val += vals[i];
2508 vals[0] = val / mc->nchan;
2509 }
2510 for (i = 0; i < cp->un.value.num_channels; i++)
2511 cp->un.value.level[i] = vals[i];
2512 }
2513
2514 return 0;
2515 }
2516
2517 Static int
2518 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2519 {
2520 struct uaudio_softc *sc;
2521 struct mixerctl *mc;
2522 int i, n, vals[MIX_MAX_CHAN];
2523
2524 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev));
2525 sc = addr;
2526 if (sc->sc_dying)
2527 return EIO;
2528
2529 n = cp->dev - UAC_NCLASSES;
2530 if (n < 0 || n >= sc->sc_nctls)
2531 return ENXIO;
2532 mc = &sc->sc_ctls[n];
2533
2534 if (mc->type == MIX_ON_OFF) {
2535 if (cp->type != AUDIO_MIXER_ENUM)
2536 return EINVAL;
2537 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2538 } else if (mc->type == MIX_SELECTOR) {
2539 if (cp->type != AUDIO_MIXER_ENUM)
2540 return EINVAL;
2541 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2542 } else {
2543 if (cp->type != AUDIO_MIXER_VALUE)
2544 return EINVAL;
2545 if (cp->un.value.num_channels == 1)
2546 for (i = 0; i < mc->nchan; i++)
2547 vals[i] = cp->un.value.level[0];
2548 else if (cp->un.value.num_channels == mc->nchan)
2549 for (i = 0; i < mc->nchan; i++)
2550 vals[i] = cp->un.value.level[i];
2551 else
2552 return EINVAL;
2553 for (i = 0; i < mc->nchan; i++)
2554 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2555 }
2556 return 0;
2557 }
2558
2559 Static int
2560 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2561 void (*intr)(void *), void *arg,
2562 const audio_params_t *param)
2563 {
2564 struct uaudio_softc *sc;
2565 struct chan *ch;
2566 usbd_status err;
2567 int i, s;
2568
2569 sc = addr;
2570 if (sc->sc_dying)
2571 return EIO;
2572
2573 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p "
2574 "blksize=%d\n", sc, start, end, blksize));
2575 ch = &sc->sc_recchan;
2576 uaudio_chan_set_param(ch, start, end, blksize);
2577 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d "
2578 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2579 ch->fraction));
2580
2581 KERNEL_LOCK(1, curlwp);
2582 mutex_spin_exit(&sc->sc_intr_lock);
2583 err = uaudio_chan_alloc_buffers(sc, ch);
2584 if (err) {
2585 mutex_spin_enter(&sc->sc_intr_lock);
2586 KERNEL_UNLOCK_ONE(curlwp);
2587 return EIO;
2588 }
2589
2590 err = uaudio_chan_open(sc, ch);
2591 mutex_spin_enter(&sc->sc_intr_lock);
2592 KERNEL_UNLOCK_ONE(curlwp);
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 KERNEL_LOCK(1, curlwp);
2602 s = splusb();
2603 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2604 uaudio_chan_rtransfer(ch);
2605 splx(s);
2606 KERNEL_UNLOCK_ONE(curlwp);
2607
2608 return 0;
2609 }
2610
2611 Static int
2612 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2613 void (*intr)(void *), void *arg,
2614 const audio_params_t *param)
2615 {
2616 struct uaudio_softc *sc;
2617 struct chan *ch;
2618 usbd_status err;
2619 int i, s;
2620
2621 sc = addr;
2622 if (sc->sc_dying)
2623 return EIO;
2624
2625 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p "
2626 "blksize=%d\n", sc, start, end, blksize));
2627 ch = &sc->sc_playchan;
2628 uaudio_chan_set_param(ch, start, end, blksize);
2629 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d "
2630 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2631 ch->fraction));
2632
2633 KERNEL_LOCK(1, curlwp);
2634 mutex_spin_exit(&sc->sc_intr_lock);
2635 err = uaudio_chan_alloc_buffers(sc, ch);
2636 if (err) {
2637 mutex_spin_enter(&sc->sc_intr_lock);
2638 KERNEL_UNLOCK_ONE(curlwp);
2639 return EIO;
2640 }
2641
2642 err = uaudio_chan_open(sc, ch);
2643 mutex_spin_enter(&sc->sc_intr_lock);
2644 KERNEL_UNLOCK_ONE(curlwp);
2645 if (err) {
2646 uaudio_chan_free_buffers(sc, ch);
2647 return EIO;
2648 }
2649
2650 ch->intr = intr;
2651 ch->arg = arg;
2652
2653 KERNEL_LOCK(1, curlwp);
2654 s = splusb();
2655 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2656 uaudio_chan_ptransfer(ch);
2657 splx(s);
2658 KERNEL_UNLOCK_ONE(curlwp);
2659
2660 return 0;
2661 }
2662
2663 /* Set up a pipe for a channel. */
2664 Static usbd_status
2665 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2666 {
2667 struct as_info *as;
2668 int endpt;
2669 usbd_status err;
2670
2671 as = &sc->sc_alts[ch->altidx];
2672 endpt = as->edesc->bEndpointAddress;
2673 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n",
2674 endpt, ch->sample_rate, as->alt));
2675
2676 /* Set alternate interface corresponding to the mode. */
2677 err = usbd_set_interface(as->ifaceh, as->alt);
2678 if (err)
2679 return err;
2680
2681 /*
2682 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2683 */
2684 if ((UGETW(sc->sc_udev->ddesc.idVendor) != USB_VENDOR_ROLAND) &&
2685 (UGETW(sc->sc_udev->ddesc.idProduct) != USB_PRODUCT_ROLAND_SD90)) {
2686 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2687 if (err) {
2688 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",
2689 usbd_errstr(err)));
2690 }
2691 }
2692
2693 ch->pipe = 0;
2694 ch->sync_pipe = 0;
2695 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt));
2696 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe);
2697 if (err)
2698 return err;
2699 if (as->edesc1 != NULL) {
2700 endpt = as->edesc1->bEndpointAddress;
2701 DPRINTF(("uaudio_chan_open: create sync-pipe to 0x%02x\n", endpt));
2702 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->sync_pipe);
2703 }
2704 return err;
2705 }
2706
2707 Static void
2708 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2709 {
2710 struct as_info *as;
2711
2712 as = &sc->sc_alts[ch->altidx];
2713 as->sc_busy = 0;
2714 AUFMT_VALIDATE(as->aformat);
2715 if (sc->sc_nullalt >= 0) {
2716 DPRINTF(("uaudio_chan_close: set null alt=%d\n",
2717 sc->sc_nullalt));
2718 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2719 }
2720 if (ch->pipe) {
2721 usbd_abort_pipe(ch->pipe);
2722 usbd_close_pipe(ch->pipe);
2723 }
2724 if (ch->sync_pipe) {
2725 usbd_abort_pipe(ch->sync_pipe);
2726 usbd_close_pipe(ch->sync_pipe);
2727 }
2728 }
2729
2730 Static usbd_status
2731 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2732 {
2733 usbd_xfer_handle xfer;
2734 void *tbuf;
2735 int i, size;
2736
2737 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2738 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2739 xfer = usbd_alloc_xfer(sc->sc_udev);
2740 if (xfer == 0)
2741 goto bad;
2742 ch->chanbufs[i].xfer = xfer;
2743 tbuf = usbd_alloc_buffer(xfer, size);
2744 if (tbuf == 0) {
2745 i++;
2746 goto bad;
2747 }
2748 ch->chanbufs[i].buffer = tbuf;
2749 ch->chanbufs[i].chan = ch;
2750 }
2751
2752 return USBD_NORMAL_COMPLETION;
2753
2754 bad:
2755 while (--i >= 0)
2756 /* implicit buffer free */
2757 usbd_free_xfer(ch->chanbufs[i].xfer);
2758 return USBD_NOMEM;
2759 }
2760
2761 Static void
2762 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2763 {
2764 int i;
2765
2766 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2767 usbd_free_xfer(ch->chanbufs[i].xfer);
2768 }
2769
2770 /* Called at splusb() */
2771 Static void
2772 uaudio_chan_ptransfer(struct chan *ch)
2773 {
2774 struct chanbuf *cb;
2775 int i, n, size, residue, total;
2776
2777 if (ch->sc->sc_dying)
2778 return;
2779
2780 /* Pick the next channel buffer. */
2781 cb = &ch->chanbufs[ch->curchanbuf];
2782 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2783 ch->curchanbuf = 0;
2784
2785 /* Compute the size of each frame in the next transfer. */
2786 residue = ch->residue;
2787 total = 0;
2788 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2789 size = ch->bytes_per_frame;
2790 residue += ch->fraction;
2791 if (residue >= USB_FRAMES_PER_SECOND) {
2792 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2793 size += ch->sample_size;
2794 residue -= USB_FRAMES_PER_SECOND;
2795 }
2796 cb->sizes[i] = size;
2797 total += size;
2798 }
2799 ch->residue = residue;
2800 cb->size = total;
2801
2802 /*
2803 * Transfer data from upper layer buffer to channel buffer, taking
2804 * care of wrapping the upper layer buffer.
2805 */
2806 n = min(total, ch->end - ch->cur);
2807 memcpy(cb->buffer, ch->cur, n);
2808 ch->cur += n;
2809 if (ch->cur >= ch->end)
2810 ch->cur = ch->start;
2811 if (total > n) {
2812 total -= n;
2813 memcpy(cb->buffer + n, ch->cur, total);
2814 ch->cur += total;
2815 }
2816
2817 #ifdef UAUDIO_DEBUG
2818 if (uaudiodebug > 8) {
2819 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n",
2820 cb->buffer, ch->residue));
2821 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2822 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2823 }
2824 }
2825 #endif
2826
2827 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer));
2828 /* Fill the request */
2829 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2830 UAUDIO_NFRAMES, USBD_NO_COPY,
2831 uaudio_chan_pintr);
2832
2833 (void)usbd_transfer(cb->xfer);
2834 }
2835
2836 Static void
2837 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2838 usbd_status status)
2839 {
2840 struct chanbuf *cb;
2841 struct chan *ch;
2842 uint32_t count;
2843
2844 cb = priv;
2845 ch = cb->chan;
2846 /* Return if we are aborting. */
2847 if (status == USBD_CANCELLED)
2848 return;
2849
2850 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2851 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n",
2852 count, ch->transferred));
2853 #ifdef DIAGNOSTIC
2854 if (count != cb->size) {
2855 aprint_error("uaudio_chan_pintr: count(%d) != size(%d)\n",
2856 count, cb->size);
2857 }
2858 #endif
2859
2860 ch->transferred += cb->size;
2861 mutex_spin_enter(&ch->sc->sc_intr_lock);
2862 /* Call back to upper layer */
2863 while (ch->transferred >= ch->blksize) {
2864 ch->transferred -= ch->blksize;
2865 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n",
2866 ch->intr, ch->arg));
2867 ch->intr(ch->arg);
2868 }
2869 mutex_spin_exit(&ch->sc->sc_intr_lock);
2870
2871 /* start next transfer */
2872 uaudio_chan_ptransfer(ch);
2873 }
2874
2875 /* Called at splusb() */
2876 Static void
2877 uaudio_chan_rtransfer(struct chan *ch)
2878 {
2879 struct chanbuf *cb;
2880 int i, size, residue, total;
2881
2882 if (ch->sc->sc_dying)
2883 return;
2884
2885 /* Pick the next channel buffer. */
2886 cb = &ch->chanbufs[ch->curchanbuf];
2887 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2888 ch->curchanbuf = 0;
2889
2890 /* Compute the size of each frame in the next transfer. */
2891 residue = ch->residue;
2892 total = 0;
2893 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2894 size = ch->bytes_per_frame;
2895 cb->sizes[i] = size;
2896 cb->offsets[i] = total;
2897 total += size;
2898 }
2899 ch->residue = residue;
2900 cb->size = total;
2901
2902 #ifdef UAUDIO_DEBUG
2903 if (uaudiodebug > 8) {
2904 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n",
2905 cb->buffer, ch->residue));
2906 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2907 DPRINTF((" [%d] length %d\n", i, cb->sizes[i]));
2908 }
2909 }
2910 #endif
2911
2912 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer));
2913 /* Fill the request */
2914 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2915 UAUDIO_NFRAMES, USBD_NO_COPY,
2916 uaudio_chan_rintr);
2917
2918 (void)usbd_transfer(cb->xfer);
2919 }
2920
2921 Static void
2922 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2923 usbd_status status)
2924 {
2925 struct chanbuf *cb;
2926 struct chan *ch;
2927 uint32_t count;
2928 int i, n, frsize;
2929
2930 cb = priv;
2931 ch = cb->chan;
2932 /* Return if we are aborting. */
2933 if (status == USBD_CANCELLED)
2934 return;
2935
2936 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2937 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n",
2938 count, ch->transferred));
2939
2940 /* count < cb->size is normal for asynchronous source */
2941 #ifdef DIAGNOSTIC
2942 if (count > cb->size) {
2943 aprint_error("uaudio_chan_rintr: count(%d) > size(%d)\n",
2944 count, cb->size);
2945 }
2946 #endif
2947
2948 /*
2949 * Transfer data from channel buffer to upper layer buffer, taking
2950 * care of wrapping the upper layer buffer.
2951 */
2952 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2953 frsize = cb->sizes[i];
2954 n = min(frsize, ch->end - ch->cur);
2955 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2956 ch->cur += n;
2957 if (ch->cur >= ch->end)
2958 ch->cur = ch->start;
2959 if (frsize > n) {
2960 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2961 frsize - n);
2962 ch->cur += frsize - n;
2963 }
2964 }
2965
2966 /* Call back to upper layer */
2967 ch->transferred += count;
2968 mutex_spin_enter(&ch->sc->sc_intr_lock);
2969 while (ch->transferred >= ch->blksize) {
2970 ch->transferred -= ch->blksize;
2971 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n",
2972 ch->intr, ch->arg));
2973 ch->intr(ch->arg);
2974 }
2975 mutex_spin_exit(&ch->sc->sc_intr_lock);
2976
2977 /* start next transfer */
2978 uaudio_chan_rtransfer(ch);
2979 }
2980
2981 Static void
2982 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2983 int maxpktsize)
2984 {
2985 int samples_per_frame, sample_size;
2986
2987 ch->altidx = altidx;
2988 sample_size = param->precision * param->channels / 8;
2989 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2990 ch->sample_size = sample_size;
2991 ch->sample_rate = param->sample_rate;
2992 if (maxpktsize == 0) {
2993 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2994 ch->bytes_per_frame = samples_per_frame * sample_size;
2995 } else {
2996 ch->fraction = 0;
2997 ch->bytes_per_frame = maxpktsize;
2998 }
2999 ch->residue = 0;
3000 }
3001
3002 Static void
3003 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
3004 {
3005
3006 ch->start = start;
3007 ch->end = end;
3008 ch->cur = start;
3009 ch->blksize = blksize;
3010 ch->transferred = 0;
3011 ch->curchanbuf = 0;
3012 }
3013
3014 Static int
3015 uaudio_set_params(void *addr, int setmode, int usemode,
3016 struct audio_params *play, struct audio_params *rec,
3017 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
3018 {
3019 struct uaudio_softc *sc;
3020 int paltidx, raltidx;
3021 struct audio_params *p;
3022 stream_filter_list_t *fil;
3023 int mode, i;
3024
3025 sc = addr;
3026 paltidx = -1;
3027 raltidx = -1;
3028 if (sc->sc_dying)
3029 return EIO;
3030
3031 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
3032 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
3033 return EBUSY;
3034
3035 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3036 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
3037 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3038 }
3039 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3040 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
3041 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3042 }
3043
3044 /* Some uaudio devices are unidirectional. Don't try to find a
3045 matching mode for the unsupported direction. */
3046 setmode &= sc->sc_mode;
3047
3048 for (mode = AUMODE_RECORD; mode != -1;
3049 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
3050 if ((setmode & mode) == 0)
3051 continue;
3052
3053 if (mode == AUMODE_PLAY) {
3054 p = play;
3055 fil = pfil;
3056 } else {
3057 p = rec;
3058 fil = rfil;
3059 }
3060 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
3061 mode, p, TRUE, fil);
3062 if (i < 0)
3063 return EINVAL;
3064
3065 if (mode == AUMODE_PLAY)
3066 paltidx = i;
3067 else
3068 raltidx = i;
3069 }
3070
3071 if ((setmode & AUMODE_PLAY)) {
3072 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3073 /* XXX abort transfer if currently happening? */
3074 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3075 }
3076 if ((setmode & AUMODE_RECORD)) {
3077 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3078 /* XXX abort transfer if currently happening? */
3079 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3080 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3081 }
3082
3083 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3084 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3085 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3086 }
3087 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3088 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3089 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3090 }
3091
3092 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n",
3093 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3094 (sc->sc_playchan.altidx >= 0)
3095 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3096 : -1,
3097 (sc->sc_recchan.altidx >= 0)
3098 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3099 : -1));
3100
3101 return 0;
3102 }
3103
3104 Static usbd_status
3105 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3106 {
3107 usb_device_request_t req;
3108 usbd_status err;
3109 uint8_t data[3];
3110
3111 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed));
3112 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3113 req.bRequest = SET_CUR;
3114 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3115 USETW(req.wIndex, endpt);
3116 USETW(req.wLength, 3);
3117 data[0] = speed;
3118 data[1] = speed >> 8;
3119 data[2] = speed >> 16;
3120
3121 KERNEL_LOCK(1, curlwp);
3122 err = usbd_do_request(sc->sc_udev, &req, data);
3123 KERNEL_UNLOCK_ONE(curlwp);
3124
3125 return err;
3126 }
3127
3128 #ifdef _MODULE
3129
3130 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL);
3131
3132 static const struct cfiattrdata audiobuscf_iattrdata = {
3133 "audiobus", 0, { { NULL, NULL, 0 }, }
3134 };
3135 static const struct cfiattrdata * const uaudio_attrs[] = {
3136 &audiobuscf_iattrdata, NULL
3137 };
3138 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs);
3139 extern struct cfattach uaudio_ca;
3140 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = {
3141 -1/*USBIFIFCF_PORT_DEFAULT*/,
3142 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/,
3143 -1/*USBIFIFCF_INTERFACE_DEFAULT*/,
3144 -1/*USBIFIFCF_VENDOR_DEFAULT*/,
3145 -1/*USBIFIFCF_PRODUCT_DEFAULT*/,
3146 -1/*USBIFIFCF_RELEASE_DEFAULT*/};
3147 static struct cfparent uhubparent = {
3148 "usbifif", NULL, DVUNIT_ANY
3149 };
3150 static struct cfdata uaudio_cfdata[] = {
3151 {
3152 .cf_name = "uaudio",
3153 .cf_atname = "uaudio",
3154 .cf_unit = 0,
3155 .cf_fstate = FSTATE_STAR,
3156 .cf_loc = uaudioloc,
3157 .cf_flags = 0,
3158 .cf_pspec = &uhubparent,
3159 },
3160 { NULL }
3161 };
3162
3163 static int
3164 uaudio_modcmd(modcmd_t cmd, void *arg)
3165 {
3166 int err;
3167
3168 switch (cmd) {
3169 case MODULE_CMD_INIT:
3170 err = config_cfdriver_attach(&uaudio_cd);
3171 if (err) {
3172 return err;
3173 }
3174 err = config_cfattach_attach("uaudio", &uaudio_ca);
3175 if (err) {
3176 config_cfdriver_detach(&uaudio_cd);
3177 return err;
3178 }
3179 err = config_cfdata_attach(uaudio_cfdata, 1);
3180 if (err) {
3181 config_cfattach_detach("uaudio", &uaudio_ca);
3182 config_cfdriver_detach(&uaudio_cd);
3183 return err;
3184 }
3185 return 0;
3186 case MODULE_CMD_FINI:
3187 err = config_cfdata_detach(uaudio_cfdata);
3188 if (err)
3189 return err;
3190 config_cfattach_detach("uaudio", &uaudio_ca);
3191 config_cfdriver_detach(&uaudio_cd);
3192 return 0;
3193 default:
3194 return ENOTTY;
3195 }
3196 }
3197
3198 #endif
3199