uaudio.c revision 1.138 1 /* $NetBSD: uaudio.c,v 1.138 2013/09/15 15:04:47 martin Exp $ */
2
3 /*
4 * Copyright (c) 1999, 2012 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, and Matthew R. Green (mrg (at) eterna.com.au).
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 1.138 2013/09/15 15:04:47 martin 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 #include <sys/cpu.h>
57 #include <sys/atomic.h>
58
59 #include <sys/audioio.h>
60 #include <dev/audio_if.h>
61 #include <dev/audiovar.h>
62 #include <dev/mulaw.h>
63 #include <dev/auconv.h>
64
65 #include <dev/usb/usb.h>
66 #include <dev/usb/usbdi.h>
67 #include <dev/usb/usbdivar.h>
68 #include <dev/usb/usbdi_util.h>
69 #include <dev/usb/usb_quirks.h>
70
71 #include <dev/usb/usbdevs.h>
72
73 #include <dev/usb/uaudioreg.h>
74
75 /* #define UAUDIO_DEBUG */
76 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
77 #ifdef UAUDIO_DEBUG
78 #define DPRINTF(x,y...) do { \
79 if (uaudiodebug) { \
80 struct lwp *l = curlwp; \
81 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \
82 } \
83 } while (0)
84 #define DPRINTFN_CLEAN(n,x...) do { \
85 if (uaudiodebug > (n)) \
86 printf(x); \
87 } while (0)
88 #define DPRINTFN(n,x,y...) do { \
89 if (uaudiodebug > (n)) { \
90 struct lwp *l = curlwp; \
91 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \
92 } \
93 } while (0)
94 int uaudiodebug = 0;
95 #else
96 #define DPRINTF(x,y...)
97 #define DPRINTFN_CLEAN(n,x...)
98 #define DPRINTFN(n,x,y...)
99 #endif
100
101 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
102 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
103
104
105 #define MIX_MAX_CHAN 8
106 struct mixerctl {
107 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
108 uint16_t wIndex;
109 uint8_t nchan;
110 uint8_t type;
111 #define MIX_ON_OFF 1
112 #define MIX_SIGNED_16 2
113 #define MIX_UNSIGNED_16 3
114 #define MIX_SIGNED_8 4
115 #define MIX_SELECTOR 5
116 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
117 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
118 int minval, maxval;
119 u_int delta;
120 u_int mul;
121 uint8_t class;
122 char ctlname[MAX_AUDIO_DEV_LEN];
123 const char *ctlunit;
124 };
125 #define MAKE(h,l) (((h) << 8) | (l))
126
127 struct as_info {
128 uint8_t alt;
129 uint8_t encoding;
130 uint8_t attributes; /* Copy of bmAttributes of
131 * usb_audio_streaming_endpoint_descriptor
132 */
133 usbd_interface_handle ifaceh;
134 const usb_interface_descriptor_t *idesc;
135 const usb_endpoint_descriptor_audio_t *edesc;
136 const usb_endpoint_descriptor_audio_t *edesc1;
137 const struct usb_audio_streaming_type1_descriptor *asf1desc;
138 struct audio_format *aformat;
139 int sc_busy; /* currently used */
140 };
141
142 struct chan {
143 void (*intr)(void *); /* DMA completion intr handler */
144 void *arg; /* arg for intr() */
145 usbd_pipe_handle pipe;
146 usbd_pipe_handle sync_pipe;
147
148 u_int sample_size;
149 u_int sample_rate;
150 u_int bytes_per_frame;
151 u_int fraction; /* fraction/1000 is the extra samples/frame */
152 u_int residue; /* accumulates the fractional samples */
153
154 u_char *start; /* upper layer buffer start */
155 u_char *end; /* upper layer buffer end */
156 u_char *cur; /* current position in upper layer buffer */
157 int blksize; /* chunk size to report up */
158 int transferred; /* transferred bytes not reported up */
159
160 int altidx; /* currently used altidx */
161
162 int curchanbuf;
163 struct chanbuf {
164 struct chan *chan;
165 usbd_xfer_handle xfer;
166 u_char *buffer;
167 uint16_t sizes[UAUDIO_NFRAMES];
168 uint16_t offsets[UAUDIO_NFRAMES];
169 uint16_t size;
170 } chanbufs[UAUDIO_NCHANBUFS];
171
172 struct uaudio_softc *sc; /* our softc */
173 };
174
175 /*
176 * XXX Locking notes:
177 *
178 * The MI USB audio subsystem is not MP-SAFE. Our strategy here
179 * is to ensure we have the kernel lock held when calling into
180 * usbd, and, generally, to have dropped the sc_intr_lock during
181 * these sections as well since the usb code will sleep.
182 */
183 struct uaudio_softc {
184 device_t sc_dev; /* base device */
185 kmutex_t sc_lock;
186 kmutex_t sc_intr_lock;
187 usbd_device_handle sc_udev; /* USB device */
188 int sc_ac_iface; /* Audio Control interface */
189 usbd_interface_handle sc_ac_ifaceh;
190 struct chan sc_playchan; /* play channel */
191 struct chan sc_recchan; /* record channel */
192 int sc_nullalt;
193 int sc_audio_rev;
194 struct as_info *sc_alts; /* alternate settings */
195 int sc_nalts; /* # of alternate settings */
196 int sc_altflags;
197 #define HAS_8 0x01
198 #define HAS_16 0x02
199 #define HAS_8U 0x04
200 #define HAS_ALAW 0x08
201 #define HAS_MULAW 0x10
202 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
203 #define HAS_24 0x40
204 int sc_mode; /* play/record capability */
205 struct mixerctl *sc_ctls; /* mixer controls */
206 int sc_nctls; /* # of mixer controls */
207 device_t sc_audiodev;
208 struct audio_format *sc_formats;
209 int sc_nformats;
210 struct audio_encoding_set *sc_encodings;
211 u_int sc_channel_config;
212 char sc_dying;
213 struct audio_device sc_adev;
214 };
215
216 struct terminal_list {
217 int size;
218 uint16_t terminals[1];
219 };
220 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
221 + sizeof(uint16_t) * (N))
222
223 struct io_terminal {
224 union {
225 const uaudio_cs_descriptor_t *desc;
226 const struct usb_audio_input_terminal *it;
227 const struct usb_audio_output_terminal *ot;
228 const struct usb_audio_mixer_unit *mu;
229 const struct usb_audio_selector_unit *su;
230 const struct usb_audio_feature_unit *fu;
231 const struct usb_audio_processing_unit *pu;
232 const struct usb_audio_extension_unit *eu;
233 } d;
234 int inputs_size;
235 struct terminal_list **inputs; /* list of source input terminals */
236 struct terminal_list *output; /* list of destination output terminals */
237 int direct; /* directly connected to an output terminal */
238 };
239
240 #define UAC_OUTPUT 0
241 #define UAC_INPUT 1
242 #define UAC_EQUAL 2
243 #define UAC_RECORD 3
244 #define UAC_NCLASSES 4
245 #ifdef UAUDIO_DEBUG
246 Static const char *uac_names[] = {
247 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
248 };
249 #endif
250
251 Static usbd_status uaudio_identify_ac
252 (struct uaudio_softc *, const usb_config_descriptor_t *);
253 Static usbd_status uaudio_identify_as
254 (struct uaudio_softc *, const usb_config_descriptor_t *);
255 Static usbd_status uaudio_process_as
256 (struct uaudio_softc *, const char *, int *, int,
257 const usb_interface_descriptor_t *);
258
259 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *);
260
261 Static const usb_interface_descriptor_t *uaudio_find_iface
262 (const char *, int, int *, int);
263
264 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *);
265 Static char *uaudio_id_name
266 (struct uaudio_softc *, const struct io_terminal *, int);
267 #ifdef UAUDIO_DEBUG
268 Static void uaudio_dump_cluster(const struct usb_audio_cluster *);
269 #endif
270 Static struct usb_audio_cluster uaudio_get_cluster
271 (int, const struct io_terminal *);
272 Static void uaudio_add_input
273 (struct uaudio_softc *, const struct io_terminal *, int);
274 Static void uaudio_add_output
275 (struct uaudio_softc *, const struct io_terminal *, int);
276 Static void uaudio_add_mixer
277 (struct uaudio_softc *, const struct io_terminal *, int);
278 Static void uaudio_add_selector
279 (struct uaudio_softc *, const struct io_terminal *, int);
280 #ifdef UAUDIO_DEBUG
281 Static const char *uaudio_get_terminal_name(int);
282 #endif
283 Static int uaudio_determine_class
284 (const struct io_terminal *, struct mixerctl *);
285 Static const char *uaudio_feature_name
286 (const struct io_terminal *, struct mixerctl *);
287 Static void uaudio_add_feature
288 (struct uaudio_softc *, const struct io_terminal *, int);
289 Static void uaudio_add_processing_updown
290 (struct uaudio_softc *, const struct io_terminal *, int);
291 Static void uaudio_add_processing
292 (struct uaudio_softc *, const struct io_terminal *, int);
293 Static void uaudio_add_extension
294 (struct uaudio_softc *, const struct io_terminal *, int);
295 Static struct terminal_list *uaudio_merge_terminal_list
296 (const struct io_terminal *);
297 Static struct terminal_list *uaudio_io_terminaltype
298 (int, struct io_terminal *, int);
299 Static usbd_status uaudio_identify
300 (struct uaudio_softc *, const usb_config_descriptor_t *);
301
302 Static int uaudio_signext(int, int);
303 Static int uaudio_value2bsd(struct mixerctl *, int);
304 Static int uaudio_bsd2value(struct mixerctl *, int);
305 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int);
306 Static int uaudio_ctl_get
307 (struct uaudio_softc *, int, struct mixerctl *, int);
308 Static void uaudio_set
309 (struct uaudio_softc *, int, int, int, int, int, int);
310 Static void uaudio_ctl_set
311 (struct uaudio_softc *, int, struct mixerctl *, int, int);
312
313 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int);
314
315 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *);
316 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
317 Static usbd_status uaudio_chan_alloc_buffers
318 (struct uaudio_softc *, struct chan *);
319 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
320 Static void uaudio_chan_init
321 (struct chan *, int, const struct audio_params *, int);
322 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
323 Static void uaudio_chan_ptransfer(struct chan *);
324 Static void uaudio_chan_pintr
325 (usbd_xfer_handle, usbd_private_handle, usbd_status);
326
327 Static void uaudio_chan_rtransfer(struct chan *);
328 Static void uaudio_chan_rintr
329 (usbd_xfer_handle, usbd_private_handle, usbd_status);
330
331 Static int uaudio_open(void *, int);
332 Static void uaudio_close(void *);
333 Static int uaudio_drain(void *);
334 Static int uaudio_query_encoding(void *, struct audio_encoding *);
335 Static int uaudio_set_params
336 (void *, int, int, struct audio_params *, struct audio_params *,
337 stream_filter_list_t *, stream_filter_list_t *);
338 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
339 Static int uaudio_trigger_output
340 (void *, void *, void *, int, void (*)(void *), void *,
341 const audio_params_t *);
342 Static int uaudio_trigger_input
343 (void *, void *, void *, int, void (*)(void *), void *,
344 const audio_params_t *);
345 Static int uaudio_halt_in_dma(void *);
346 Static int uaudio_halt_out_dma(void *);
347 Static int uaudio_getdev(void *, struct audio_device *);
348 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
349 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
350 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
351 Static int uaudio_get_props(void *);
352 Static void uaudio_get_locks(void *, kmutex_t **, kmutex_t **);
353
354 Static const struct audio_hw_if uaudio_hw_if = {
355 uaudio_open,
356 uaudio_close,
357 uaudio_drain,
358 uaudio_query_encoding,
359 uaudio_set_params,
360 uaudio_round_blocksize,
361 NULL,
362 NULL,
363 NULL,
364 NULL,
365 NULL,
366 uaudio_halt_out_dma,
367 uaudio_halt_in_dma,
368 NULL,
369 uaudio_getdev,
370 NULL,
371 uaudio_mixer_set_port,
372 uaudio_mixer_get_port,
373 uaudio_query_devinfo,
374 NULL,
375 NULL,
376 NULL,
377 NULL,
378 uaudio_get_props,
379 uaudio_trigger_output,
380 uaudio_trigger_input,
381 NULL,
382 uaudio_get_locks,
383 };
384
385 int uaudio_match(device_t, cfdata_t, void *);
386 void uaudio_attach(device_t, device_t, void *);
387 int uaudio_detach(device_t, int);
388 void uaudio_childdet(device_t, device_t);
389 int uaudio_activate(device_t, enum devact);
390
391 extern struct cfdriver uaudio_cd;
392
393 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc),
394 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL,
395 uaudio_childdet);
396
397 int
398 uaudio_match(device_t parent, cfdata_t match, void *aux)
399 {
400 struct usbif_attach_arg *uaa = aux;
401
402 /* Trigger on the control interface. */
403 if (uaa->class != UICLASS_AUDIO ||
404 uaa->subclass != UISUBCLASS_AUDIOCONTROL ||
405 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
406 return UMATCH_NONE;
407
408 return UMATCH_IFACECLASS_IFACESUBCLASS;
409 }
410
411 void
412 uaudio_attach(device_t parent, device_t self, void *aux)
413 {
414 struct uaudio_softc *sc = device_private(self);
415 struct usbif_attach_arg *uaa = aux;
416 usb_interface_descriptor_t *id;
417 usb_config_descriptor_t *cdesc;
418 char *devinfop;
419 usbd_status err;
420 int i, j, found;
421
422 sc->sc_dev = self;
423 sc->sc_udev = uaa->device;
424 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
425 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED);
426
427 strlcpy(sc->sc_adev.name, "USB audio", sizeof(sc->sc_adev.name));
428 strlcpy(sc->sc_adev.version, "", sizeof(sc->sc_adev.version));
429 snprintf(sc->sc_adev.config, sizeof(sc->sc_adev.config), "usb:%08x",
430 sc->sc_udev->cookie.cookie);
431
432 aprint_naive("\n");
433 aprint_normal("\n");
434
435 devinfop = usbd_devinfo_alloc(uaa->device, 0);
436 aprint_normal_dev(self, "%s\n", devinfop);
437 usbd_devinfo_free(devinfop);
438
439 cdesc = usbd_get_config_descriptor(sc->sc_udev);
440 if (cdesc == NULL) {
441 aprint_error_dev(self,
442 "failed to get configuration descriptor\n");
443 return;
444 }
445
446 err = uaudio_identify(sc, cdesc);
447 if (err) {
448 aprint_error_dev(self,
449 "audio descriptors make no sense, error=%d\n", err);
450 return;
451 }
452
453 sc->sc_ac_ifaceh = uaa->iface;
454 /* Pick up the AS interface. */
455 for (i = 0; i < uaa->nifaces; i++) {
456 if (uaa->ifaces[i] == NULL)
457 continue;
458 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
459 if (id == NULL)
460 continue;
461 found = 0;
462 for (j = 0; j < sc->sc_nalts; j++) {
463 if (id->bInterfaceNumber ==
464 sc->sc_alts[j].idesc->bInterfaceNumber) {
465 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
466 found = 1;
467 }
468 }
469 if (found)
470 uaa->ifaces[i] = NULL;
471 }
472
473 for (j = 0; j < sc->sc_nalts; j++) {
474 if (sc->sc_alts[j].ifaceh == NULL) {
475 aprint_error_dev(self,
476 "alt %d missing AS interface(s)\n", j);
477 return;
478 }
479 }
480
481 aprint_normal_dev(self, "audio rev %d.%02x\n",
482 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
483
484 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
485 sc->sc_playchan.altidx = -1;
486 sc->sc_recchan.altidx = -1;
487
488 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
489 sc->sc_altflags |= UA_NOFRAC;
490
491 #ifndef UAUDIO_DEBUG
492 if (bootverbose)
493 #endif
494 aprint_normal_dev(self, "%d mixer controls\n",
495 sc->sc_nctls);
496
497 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
498 sc->sc_dev);
499
500 DPRINTF("%s", "doing audio_attach_mi\n");
501 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev);
502
503 return;
504 }
505
506 int
507 uaudio_activate(device_t self, enum devact act)
508 {
509 struct uaudio_softc *sc = device_private(self);
510
511 switch (act) {
512 case DVACT_DEACTIVATE:
513 sc->sc_dying = 1;
514 return 0;
515 default:
516 return EOPNOTSUPP;
517 }
518 }
519
520 void
521 uaudio_childdet(device_t self, device_t child)
522 {
523 struct uaudio_softc *sc = device_private(self);
524
525 KASSERT(sc->sc_audiodev == child);
526 sc->sc_audiodev = NULL;
527 }
528
529 int
530 uaudio_detach(device_t self, int flags)
531 {
532 struct uaudio_softc *sc = device_private(self);
533 int rv;
534
535 rv = 0;
536 /* Wait for outstanding requests to complete. */
537 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
538
539 if (sc->sc_audiodev != NULL)
540 rv = config_detach(sc->sc_audiodev, flags);
541
542 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
543 sc->sc_dev);
544
545 if (sc->sc_formats != NULL)
546 free(sc->sc_formats, M_USBDEV);
547 auconv_delete_encodings(sc->sc_encodings);
548
549 mutex_destroy(&sc->sc_lock);
550 mutex_destroy(&sc->sc_intr_lock);
551
552 return rv;
553 }
554
555 Static int
556 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
557 {
558 struct uaudio_softc *sc;
559 int flags;
560
561 sc = addr;
562 flags = sc->sc_altflags;
563 if (sc->sc_dying)
564 return EIO;
565
566 if (sc->sc_nalts == 0 || flags == 0)
567 return ENXIO;
568
569 return auconv_query_encoding(sc->sc_encodings, fp);
570 }
571
572 Static const usb_interface_descriptor_t *
573 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
574 {
575 const usb_interface_descriptor_t *d;
576
577 while (*offsp < size) {
578 d = (const void *)(tbuf + *offsp);
579 *offsp += d->bLength;
580 if (d->bDescriptorType == UDESC_INTERFACE &&
581 d->bInterfaceClass == UICLASS_AUDIO &&
582 d->bInterfaceSubClass == subtype)
583 return d;
584 }
585 return NULL;
586 }
587
588 Static void
589 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
590 {
591 int res;
592 size_t len;
593 struct mixerctl *nmc;
594
595 if (mc->class < UAC_NCLASSES) {
596 DPRINTF("adding %s.%s\n", uac_names[mc->class], mc->ctlname);
597 } else {
598 DPRINTF("adding %s\n", mc->ctlname);
599 }
600 len = sizeof(*mc) * (sc->sc_nctls + 1);
601 nmc = malloc(len, M_USBDEV, M_NOWAIT);
602 if (nmc == NULL) {
603 aprint_error("uaudio_mixer_add_ctl: no memory\n");
604 return;
605 }
606 /* Copy old data, if there was any */
607 if (sc->sc_nctls != 0) {
608 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
609 free(sc->sc_ctls, M_USBDEV);
610 }
611 sc->sc_ctls = nmc;
612
613 mc->delta = 0;
614 if (mc->type == MIX_ON_OFF) {
615 mc->minval = 0;
616 mc->maxval = 1;
617 } else if (mc->type == MIX_SELECTOR) {
618 ;
619 } else {
620 /* Determine min and max values. */
621 mc->minval = uaudio_signext(mc->type,
622 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
623 mc->wValue[0], mc->wIndex,
624 MIX_SIZE(mc->type)));
625 mc->maxval = 1 + uaudio_signext(mc->type,
626 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
627 mc->wValue[0], mc->wIndex,
628 MIX_SIZE(mc->type)));
629 mc->mul = mc->maxval - mc->minval;
630 if (mc->mul == 0)
631 mc->mul = 1;
632 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
633 mc->wValue[0], mc->wIndex,
634 MIX_SIZE(mc->type));
635 if (res > 0)
636 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
637 }
638
639 sc->sc_ctls[sc->sc_nctls++] = *mc;
640
641 #ifdef UAUDIO_DEBUG
642 if (uaudiodebug > 2) {
643 int i;
644
645 DPRINTFN_CLEAN(2, "wValue=%04x", mc->wValue[0]);
646 for (i = 1; i < mc->nchan; i++)
647 DPRINTFN_CLEAN(2, ",%04x", mc->wValue[i]);
648 DPRINTFN_CLEAN(2, " wIndex=%04x type=%d name='%s' unit='%s' "
649 "min=%d max=%d\n",
650 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
651 mc->minval, mc->maxval);
652 }
653 #endif
654 }
655
656 Static char *
657 uaudio_id_name(struct uaudio_softc *sc,
658 const struct io_terminal *iot, int id)
659 {
660 static char tbuf[32];
661
662 snprintf(tbuf, sizeof(tbuf), "i%d", id);
663 return tbuf;
664 }
665
666 #ifdef UAUDIO_DEBUG
667 Static void
668 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
669 {
670 static const char *channel_names[16] = {
671 "LEFT", "RIGHT", "CENTER", "LFE",
672 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
673 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
674 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
675 };
676 int cc, i, first;
677
678 cc = UGETW(cl->wChannelConfig);
679 printf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
680 cl->bNrChannels, cc);
681 first = TRUE;
682 for (i = 0; cc != 0; i++) {
683 if (cc & 1) {
684 printf("%c%s", first ? '<' : ',', channel_names[i]);
685 first = FALSE;
686 }
687 cc = cc >> 1;
688 }
689 printf("> iChannelNames=%u", cl->iChannelNames);
690 }
691 #endif
692
693 Static struct usb_audio_cluster
694 uaudio_get_cluster(int id, const struct io_terminal *iot)
695 {
696 struct usb_audio_cluster r;
697 const uaudio_cs_descriptor_t *dp;
698 int i;
699
700 for (i = 0; i < 25; i++) { /* avoid infinite loops */
701 dp = iot[id].d.desc;
702 if (dp == 0)
703 goto bad;
704 switch (dp->bDescriptorSubtype) {
705 case UDESCSUB_AC_INPUT:
706 r.bNrChannels = iot[id].d.it->bNrChannels;
707 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
708 r.iChannelNames = iot[id].d.it->iChannelNames;
709 return r;
710 case UDESCSUB_AC_OUTPUT:
711 id = iot[id].d.ot->bSourceId;
712 break;
713 case UDESCSUB_AC_MIXER:
714 r = *(const struct usb_audio_cluster *)
715 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
716 return r;
717 case UDESCSUB_AC_SELECTOR:
718 /* XXX This is not really right */
719 id = iot[id].d.su->baSourceId[0];
720 break;
721 case UDESCSUB_AC_FEATURE:
722 id = iot[id].d.fu->bSourceId;
723 break;
724 case UDESCSUB_AC_PROCESSING:
725 r = *(const struct usb_audio_cluster *)
726 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
727 return r;
728 case UDESCSUB_AC_EXTENSION:
729 r = *(const struct usb_audio_cluster *)
730 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
731 return r;
732 default:
733 goto bad;
734 }
735 }
736 bad:
737 aprint_error("uaudio_get_cluster: bad data\n");
738 memset(&r, 0, sizeof r);
739 return r;
740
741 }
742
743 Static void
744 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
745 {
746 const struct usb_audio_input_terminal *d;
747
748 d = iot[id].d.it;
749 #ifdef UAUDIO_DEBUG
750 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
751 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
752 "iChannelNames=%d iTerminal=%d\n",
753 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
754 d->bNrChannels, UGETW(d->wChannelConfig),
755 d->iChannelNames, d->iTerminal);
756 #endif
757 /* If USB input terminal, record wChannelConfig */
758 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
759 return;
760 sc->sc_channel_config = UGETW(d->wChannelConfig);
761 }
762
763 Static void
764 uaudio_add_output(struct uaudio_softc *sc,
765 const struct io_terminal *iot, int id)
766 {
767 #ifdef UAUDIO_DEBUG
768 const struct usb_audio_output_terminal *d;
769
770 d = iot[id].d.ot;
771 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
772 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
773 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
774 d->bSourceId, d->iTerminal);
775 #endif
776 }
777
778 Static void
779 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
780 {
781 const struct usb_audio_mixer_unit *d;
782 const struct usb_audio_mixer_unit_1 *d1;
783 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
784 const uByte *bm;
785 struct mixerctl mix;
786
787 d = iot[id].d.mu;
788 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
789 d->bUnitId, d->bNrInPins);
790
791 /* Compute the number of input channels */
792 ichs = 0;
793 for (i = 0; i < d->bNrInPins; i++)
794 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
795
796 /* and the number of output channels */
797 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
798 ochs = d1->bNrChannels;
799 DPRINTFN(2,"ichs=%d ochs=%d\n", ichs, ochs);
800
801 bm = d1->bmControls;
802 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
803 uaudio_determine_class(&iot[id], &mix);
804 mix.type = MIX_SIGNED_16;
805 mix.ctlunit = AudioNvolume;
806 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
807 for (p = i = 0; i < d->bNrInPins; i++) {
808 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
809 mc = 0;
810 for (c = 0; c < chs; c++) {
811 mo = 0;
812 for (o = 0; o < ochs; o++) {
813 bno = (p + c) * ochs + o;
814 if (_BIT(bno))
815 mo++;
816 }
817 if (mo == 1)
818 mc++;
819 }
820 if (mc == chs && chs <= MIX_MAX_CHAN) {
821 k = 0;
822 for (c = 0; c < chs; c++)
823 for (o = 0; o < ochs; o++) {
824 bno = (p + c) * ochs + o;
825 if (_BIT(bno))
826 mix.wValue[k++] =
827 MAKE(p+c+1, o+1);
828 }
829 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
830 d->bUnitId, uaudio_id_name(sc, iot,
831 d->baSourceId[i]));
832 mix.nchan = chs;
833 uaudio_mixer_add_ctl(sc, &mix);
834 } else {
835 /* XXX */
836 }
837 #undef _BIT
838 p += chs;
839 }
840
841 }
842
843 Static void
844 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
845 {
846 const struct usb_audio_selector_unit *d;
847 struct mixerctl mix;
848 int i, wp;
849
850 d = iot[id].d.su;
851 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
852 d->bUnitId, d->bNrInPins);
853 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
854 mix.wValue[0] = MAKE(0, 0);
855 uaudio_determine_class(&iot[id], &mix);
856 mix.nchan = 1;
857 mix.type = MIX_SELECTOR;
858 mix.ctlunit = "";
859 mix.minval = 1;
860 mix.maxval = d->bNrInPins;
861 mix.mul = mix.maxval - mix.minval;
862 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
863 for (i = 1; i <= d->bNrInPins; i++) {
864 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
865 "i%d", d->baSourceId[i - 1]);
866 if (wp > MAX_AUDIO_DEV_LEN - 1)
867 break;
868 }
869 uaudio_mixer_add_ctl(sc, &mix);
870 }
871
872 #ifdef UAUDIO_DEBUG
873 Static const char *
874 uaudio_get_terminal_name(int terminal_type)
875 {
876 static char tbuf[100];
877
878 switch (terminal_type) {
879 /* USB terminal types */
880 case UAT_UNDEFINED: return "UAT_UNDEFINED";
881 case UAT_STREAM: return "UAT_STREAM";
882 case UAT_VENDOR: return "UAT_VENDOR";
883 /* input terminal types */
884 case UATI_UNDEFINED: return "UATI_UNDEFINED";
885 case UATI_MICROPHONE: return "UATI_MICROPHONE";
886 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
887 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
888 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
889 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
890 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
891 /* output terminal types */
892 case UATO_UNDEFINED: return "UATO_UNDEFINED";
893 case UATO_SPEAKER: return "UATO_SPEAKER";
894 case UATO_HEADPHONES: return "UATO_HEADPHONES";
895 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
896 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
897 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
898 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
899 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
900 /* bidir terminal types */
901 case UATB_UNDEFINED: return "UATB_UNDEFINED";
902 case UATB_HANDSET: return "UATB_HANDSET";
903 case UATB_HEADSET: return "UATB_HEADSET";
904 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
905 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
906 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
907 /* telephony terminal types */
908 case UATT_UNDEFINED: return "UATT_UNDEFINED";
909 case UATT_PHONELINE: return "UATT_PHONELINE";
910 case UATT_TELEPHONE: return "UATT_TELEPHONE";
911 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
912 /* external terminal types */
913 case UATE_UNDEFINED: return "UATE_UNDEFINED";
914 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
915 case UATE_LINECONN: return "UATE_LINECONN";
916 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
917 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
918 case UATE_SPDIF: return "UATE_SPDIF";
919 case UATE_1394DA: return "UATE_1394DA";
920 case UATE_1394DV: return "UATE_1394DV";
921 /* embedded function terminal types */
922 case UATF_UNDEFINED: return "UATF_UNDEFINED";
923 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
924 case UATF_EQUNOISE: return "UATF_EQUNOISE";
925 case UATF_CDPLAYER: return "UATF_CDPLAYER";
926 case UATF_DAT: return "UATF_DAT";
927 case UATF_DCC: return "UATF_DCC";
928 case UATF_MINIDISK: return "UATF_MINIDISK";
929 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
930 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
931 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
932 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
933 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
934 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
935 case UATF_SATELLITE: return "UATF_SATELLITE";
936 case UATF_CABLETUNER: return "UATF_CABLETUNER";
937 case UATF_DSS: return "UATF_DSS";
938 case UATF_RADIORECV: return "UATF_RADIORECV";
939 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
940 case UATF_MULTITRACK: return "UATF_MULTITRACK";
941 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
942 default:
943 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
944 return tbuf;
945 }
946 }
947 #endif
948
949 Static int
950 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
951 {
952 int terminal_type;
953
954 if (iot == NULL || iot->output == NULL) {
955 mix->class = UAC_OUTPUT;
956 return 0;
957 }
958 terminal_type = 0;
959 if (iot->output->size == 1)
960 terminal_type = iot->output->terminals[0];
961 /*
962 * If the only output terminal is USB,
963 * the class is UAC_RECORD.
964 */
965 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
966 mix->class = UAC_RECORD;
967 if (iot->inputs_size == 1
968 && iot->inputs[0] != NULL
969 && iot->inputs[0]->size == 1)
970 return iot->inputs[0]->terminals[0];
971 else
972 return 0;
973 }
974 /*
975 * If the ultimate destination of the unit is just one output
976 * terminal and the unit is connected to the output terminal
977 * directly, the class is UAC_OUTPUT.
978 */
979 if (terminal_type != 0 && iot->direct) {
980 mix->class = UAC_OUTPUT;
981 return terminal_type;
982 }
983 /*
984 * If the unit is connected to just one input terminal,
985 * the class is UAC_INPUT.
986 */
987 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
988 && iot->inputs[0]->size == 1) {
989 mix->class = UAC_INPUT;
990 return iot->inputs[0]->terminals[0];
991 }
992 /*
993 * Otherwise, the class is UAC_OUTPUT.
994 */
995 mix->class = UAC_OUTPUT;
996 return terminal_type;
997 }
998
999 Static const char *
1000 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
1001 {
1002 int terminal_type;
1003
1004 terminal_type = uaudio_determine_class(iot, mix);
1005 if (mix->class == UAC_RECORD && terminal_type == 0)
1006 return AudioNmixerout;
1007 DPRINTF("terminal_type=%s\n", uaudio_get_terminal_name(terminal_type));
1008 switch (terminal_type) {
1009 case UAT_STREAM:
1010 return AudioNdac;
1011
1012 case UATI_MICROPHONE:
1013 case UATI_DESKMICROPHONE:
1014 case UATI_PERSONALMICROPHONE:
1015 case UATI_OMNIMICROPHONE:
1016 case UATI_MICROPHONEARRAY:
1017 case UATI_PROCMICROPHONEARR:
1018 return AudioNmicrophone;
1019
1020 case UATO_SPEAKER:
1021 case UATO_DESKTOPSPEAKER:
1022 case UATO_ROOMSPEAKER:
1023 case UATO_COMMSPEAKER:
1024 return AudioNspeaker;
1025
1026 case UATO_HEADPHONES:
1027 return AudioNheadphone;
1028
1029 case UATO_SUBWOOFER:
1030 return AudioNlfe;
1031
1032 /* telephony terminal types */
1033 case UATT_UNDEFINED:
1034 case UATT_PHONELINE:
1035 case UATT_TELEPHONE:
1036 case UATT_DOWNLINEPHONE:
1037 return "phone";
1038
1039 case UATE_ANALOGCONN:
1040 case UATE_LINECONN:
1041 case UATE_LEGACYCONN:
1042 return AudioNline;
1043
1044 case UATE_DIGITALAUIFC:
1045 case UATE_SPDIF:
1046 case UATE_1394DA:
1047 case UATE_1394DV:
1048 return AudioNaux;
1049
1050 case UATF_CDPLAYER:
1051 return AudioNcd;
1052
1053 case UATF_SYNTHESIZER:
1054 return AudioNfmsynth;
1055
1056 case UATF_VIDEODISCAUDIO:
1057 case UATF_DVDAUDIO:
1058 case UATF_TVTUNERAUDIO:
1059 return AudioNvideo;
1060
1061 case UAT_UNDEFINED:
1062 case UAT_VENDOR:
1063 case UATI_UNDEFINED:
1064 /* output terminal types */
1065 case UATO_UNDEFINED:
1066 case UATO_DISPLAYAUDIO:
1067 /* bidir terminal types */
1068 case UATB_UNDEFINED:
1069 case UATB_HANDSET:
1070 case UATB_HEADSET:
1071 case UATB_SPEAKERPHONE:
1072 case UATB_SPEAKERPHONEESUP:
1073 case UATB_SPEAKERPHONEECANC:
1074 /* external terminal types */
1075 case UATE_UNDEFINED:
1076 /* embedded function terminal types */
1077 case UATF_UNDEFINED:
1078 case UATF_CALIBNOISE:
1079 case UATF_EQUNOISE:
1080 case UATF_DAT:
1081 case UATF_DCC:
1082 case UATF_MINIDISK:
1083 case UATF_ANALOGTAPE:
1084 case UATF_PHONOGRAPH:
1085 case UATF_VCRAUDIO:
1086 case UATF_SATELLITE:
1087 case UATF_CABLETUNER:
1088 case UATF_DSS:
1089 case UATF_RADIORECV:
1090 case UATF_RADIOXMIT:
1091 case UATF_MULTITRACK:
1092 case 0xffff:
1093 default:
1094 DPRINTF("'master' for 0x%.4x\n", terminal_type);
1095 return AudioNmaster;
1096 }
1097 return AudioNmaster;
1098 }
1099
1100 Static void
1101 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1102 {
1103 const struct usb_audio_feature_unit *d;
1104 const uByte *ctls;
1105 int ctlsize;
1106 int nchan;
1107 u_int fumask, mmask, cmask;
1108 struct mixerctl mix;
1109 int chan, ctl, i, unit;
1110 const char *mixername;
1111
1112 #define GET(i) (ctls[(i)*ctlsize] | \
1113 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1114 d = iot[id].d.fu;
1115 ctls = d->bmaControls;
1116 ctlsize = d->bControlSize;
1117 nchan = (d->bLength - 7) / ctlsize;
1118 mmask = GET(0);
1119 /* Figure out what we can control */
1120 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1121 DPRINTFN(9,"chan=%d mask=%x\n",
1122 chan, GET(chan));
1123 cmask |= GET(chan);
1124 }
1125
1126 DPRINTFN(1,"bUnitId=%d, "
1127 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1128 d->bUnitId, nchan, mmask, cmask);
1129
1130 if (nchan > MIX_MAX_CHAN)
1131 nchan = MIX_MAX_CHAN;
1132 unit = d->bUnitId;
1133 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1134 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1135 fumask = FU_MASK(ctl);
1136 DPRINTFN(4,"ctl=%d fumask=0x%04x\n",
1137 ctl, fumask);
1138 if (mmask & fumask) {
1139 mix.nchan = 1;
1140 mix.wValue[0] = MAKE(ctl, 0);
1141 } else if (cmask & fumask) {
1142 mix.nchan = nchan - 1;
1143 for (i = 1; i < nchan; i++) {
1144 if (GET(i) & fumask)
1145 mix.wValue[i-1] = MAKE(ctl, i);
1146 else
1147 mix.wValue[i-1] = -1;
1148 }
1149 } else {
1150 continue;
1151 }
1152 #undef GET
1153 mixername = uaudio_feature_name(&iot[id], &mix);
1154 switch (ctl) {
1155 case MUTE_CONTROL:
1156 mix.type = MIX_ON_OFF;
1157 mix.ctlunit = "";
1158 snprintf(mix.ctlname, sizeof(mix.ctlname),
1159 "%s.%s", mixername, AudioNmute);
1160 break;
1161 case VOLUME_CONTROL:
1162 mix.type = MIX_SIGNED_16;
1163 mix.ctlunit = AudioNvolume;
1164 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1165 break;
1166 case BASS_CONTROL:
1167 mix.type = MIX_SIGNED_8;
1168 mix.ctlunit = AudioNbass;
1169 snprintf(mix.ctlname, sizeof(mix.ctlname),
1170 "%s.%s", mixername, AudioNbass);
1171 break;
1172 case MID_CONTROL:
1173 mix.type = MIX_SIGNED_8;
1174 mix.ctlunit = AudioNmid;
1175 snprintf(mix.ctlname, sizeof(mix.ctlname),
1176 "%s.%s", mixername, AudioNmid);
1177 break;
1178 case TREBLE_CONTROL:
1179 mix.type = MIX_SIGNED_8;
1180 mix.ctlunit = AudioNtreble;
1181 snprintf(mix.ctlname, sizeof(mix.ctlname),
1182 "%s.%s", mixername, AudioNtreble);
1183 break;
1184 case GRAPHIC_EQUALIZER_CONTROL:
1185 continue; /* XXX don't add anything */
1186 break;
1187 case AGC_CONTROL:
1188 mix.type = MIX_ON_OFF;
1189 mix.ctlunit = "";
1190 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1191 mixername, AudioNagc);
1192 break;
1193 case DELAY_CONTROL:
1194 mix.type = MIX_UNSIGNED_16;
1195 mix.ctlunit = "4 ms";
1196 snprintf(mix.ctlname, sizeof(mix.ctlname),
1197 "%s.%s", mixername, AudioNdelay);
1198 break;
1199 case BASS_BOOST_CONTROL:
1200 mix.type = MIX_ON_OFF;
1201 mix.ctlunit = "";
1202 snprintf(mix.ctlname, sizeof(mix.ctlname),
1203 "%s.%s", mixername, AudioNbassboost);
1204 break;
1205 case LOUDNESS_CONTROL:
1206 mix.type = MIX_ON_OFF;
1207 mix.ctlunit = "";
1208 snprintf(mix.ctlname, sizeof(mix.ctlname),
1209 "%s.%s", mixername, AudioNloudness);
1210 break;
1211 }
1212 uaudio_mixer_add_ctl(sc, &mix);
1213 }
1214 }
1215
1216 Static void
1217 uaudio_add_processing_updown(struct uaudio_softc *sc,
1218 const struct io_terminal *iot, int id)
1219 {
1220 const struct usb_audio_processing_unit *d;
1221 const struct usb_audio_processing_unit_1 *d1;
1222 const struct usb_audio_processing_unit_updown *ud;
1223 struct mixerctl mix;
1224 int i;
1225
1226 d = iot[id].d.pu;
1227 d1 = (const struct usb_audio_processing_unit_1 *)
1228 &d->baSourceId[d->bNrInPins];
1229 ud = (const struct usb_audio_processing_unit_updown *)
1230 &d1->bmControls[d1->bControlSize];
1231 DPRINTFN(2,"bUnitId=%d bNrModes=%d\n",
1232 d->bUnitId, ud->bNrModes);
1233
1234 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1235 DPRINTF("%s", "no mode select\n");
1236 return;
1237 }
1238
1239 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1240 mix.nchan = 1;
1241 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1242 uaudio_determine_class(&iot[id], &mix);
1243 mix.type = MIX_ON_OFF; /* XXX */
1244 mix.ctlunit = "";
1245 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1246
1247 for (i = 0; i < ud->bNrModes; i++) {
1248 DPRINTFN(2,"i=%d bm=0x%x\n",
1249 i, UGETW(ud->waModes[i]));
1250 /* XXX */
1251 }
1252 uaudio_mixer_add_ctl(sc, &mix);
1253 }
1254
1255 Static void
1256 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1257 {
1258 const struct usb_audio_processing_unit *d;
1259 const struct usb_audio_processing_unit_1 *d1;
1260 int ptype;
1261 struct mixerctl mix;
1262
1263 d = iot[id].d.pu;
1264 d1 = (const struct usb_audio_processing_unit_1 *)
1265 &d->baSourceId[d->bNrInPins];
1266 ptype = UGETW(d->wProcessType);
1267 DPRINTFN(2,"wProcessType=%d bUnitId=%d "
1268 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins);
1269
1270 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1271 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1272 mix.nchan = 1;
1273 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1274 uaudio_determine_class(&iot[id], &mix);
1275 mix.type = MIX_ON_OFF;
1276 mix.ctlunit = "";
1277 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1278 d->bUnitId, ptype);
1279 uaudio_mixer_add_ctl(sc, &mix);
1280 }
1281
1282 switch(ptype) {
1283 case UPDOWNMIX_PROCESS:
1284 uaudio_add_processing_updown(sc, iot, id);
1285 break;
1286 case DOLBY_PROLOGIC_PROCESS:
1287 case P3D_STEREO_EXTENDER_PROCESS:
1288 case REVERBATION_PROCESS:
1289 case CHORUS_PROCESS:
1290 case DYN_RANGE_COMP_PROCESS:
1291 default:
1292 #ifdef UAUDIO_DEBUG
1293 aprint_debug(
1294 "uaudio_add_processing: unit %d, type=%d not impl.\n",
1295 d->bUnitId, ptype);
1296 #endif
1297 break;
1298 }
1299 }
1300
1301 Static void
1302 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1303 {
1304 const struct usb_audio_extension_unit *d;
1305 const struct usb_audio_extension_unit_1 *d1;
1306 struct mixerctl mix;
1307
1308 d = iot[id].d.eu;
1309 d1 = (const struct usb_audio_extension_unit_1 *)
1310 &d->baSourceId[d->bNrInPins];
1311 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
1312 d->bUnitId, d->bNrInPins);
1313
1314 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1315 return;
1316
1317 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1318 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1319 mix.nchan = 1;
1320 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1321 uaudio_determine_class(&iot[id], &mix);
1322 mix.type = MIX_ON_OFF;
1323 mix.ctlunit = "";
1324 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1325 d->bUnitId);
1326 uaudio_mixer_add_ctl(sc, &mix);
1327 }
1328 }
1329
1330 Static struct terminal_list*
1331 uaudio_merge_terminal_list(const struct io_terminal *iot)
1332 {
1333 struct terminal_list *tml;
1334 uint16_t *ptm;
1335 int i, len;
1336
1337 len = 0;
1338 if (iot->inputs == NULL)
1339 return NULL;
1340 for (i = 0; i < iot->inputs_size; i++) {
1341 if (iot->inputs[i] != NULL)
1342 len += iot->inputs[i]->size;
1343 }
1344 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1345 if (tml == NULL) {
1346 aprint_error("uaudio_merge_terminal_list: no memory\n");
1347 return NULL;
1348 }
1349 tml->size = 0;
1350 ptm = tml->terminals;
1351 for (i = 0; i < iot->inputs_size; i++) {
1352 if (iot->inputs[i] == NULL)
1353 continue;
1354 if (iot->inputs[i]->size > len)
1355 break;
1356 memcpy(ptm, iot->inputs[i]->terminals,
1357 iot->inputs[i]->size * sizeof(uint16_t));
1358 tml->size += iot->inputs[i]->size;
1359 ptm += iot->inputs[i]->size;
1360 len -= iot->inputs[i]->size;
1361 }
1362 return tml;
1363 }
1364
1365 Static struct terminal_list *
1366 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1367 {
1368 struct terminal_list *tml;
1369 struct io_terminal *it;
1370 int src_id, i;
1371
1372 it = &iot[id];
1373 if (it->output != NULL) {
1374 /* already has outtype? */
1375 for (i = 0; i < it->output->size; i++)
1376 if (it->output->terminals[i] == outtype)
1377 return uaudio_merge_terminal_list(it);
1378 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1379 M_TEMP, M_NOWAIT);
1380 if (tml == NULL) {
1381 aprint_error("uaudio_io_terminaltype: no memory\n");
1382 return uaudio_merge_terminal_list(it);
1383 }
1384 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1385 tml->terminals[it->output->size] = outtype;
1386 tml->size++;
1387 free(it->output, M_TEMP);
1388 it->output = tml;
1389 if (it->inputs != NULL) {
1390 for (i = 0; i < it->inputs_size; i++)
1391 if (it->inputs[i] != NULL)
1392 free(it->inputs[i], M_TEMP);
1393 free(it->inputs, M_TEMP);
1394 }
1395 it->inputs_size = 0;
1396 it->inputs = NULL;
1397 } else { /* end `iot[id] != NULL' */
1398 it->inputs_size = 0;
1399 it->inputs = NULL;
1400 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1401 if (it->output == NULL) {
1402 aprint_error("uaudio_io_terminaltype: no memory\n");
1403 return NULL;
1404 }
1405 it->output->terminals[0] = outtype;
1406 it->output->size = 1;
1407 it->direct = FALSE;
1408 }
1409
1410 switch (it->d.desc->bDescriptorSubtype) {
1411 case UDESCSUB_AC_INPUT:
1412 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1413 if (it->inputs == NULL) {
1414 aprint_error("uaudio_io_terminaltype: no memory\n");
1415 return NULL;
1416 }
1417 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1418 if (tml == NULL) {
1419 aprint_error("uaudio_io_terminaltype: no memory\n");
1420 free(it->inputs, M_TEMP);
1421 it->inputs = NULL;
1422 return NULL;
1423 }
1424 it->inputs[0] = tml;
1425 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1426 tml->size = 1;
1427 it->inputs_size = 1;
1428 return uaudio_merge_terminal_list(it);
1429 case UDESCSUB_AC_FEATURE:
1430 src_id = it->d.fu->bSourceId;
1431 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1432 if (it->inputs == NULL) {
1433 aprint_error("uaudio_io_terminaltype: no memory\n");
1434 return uaudio_io_terminaltype(outtype, iot, src_id);
1435 }
1436 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1437 it->inputs_size = 1;
1438 return uaudio_merge_terminal_list(it);
1439 case UDESCSUB_AC_OUTPUT:
1440 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1441 if (it->inputs == NULL) {
1442 aprint_error("uaudio_io_terminaltype: no memory\n");
1443 return NULL;
1444 }
1445 src_id = it->d.ot->bSourceId;
1446 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1447 it->inputs_size = 1;
1448 iot[src_id].direct = TRUE;
1449 return NULL;
1450 case UDESCSUB_AC_MIXER:
1451 it->inputs_size = 0;
1452 it->inputs = malloc(sizeof(struct terminal_list *)
1453 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1454 if (it->inputs == NULL) {
1455 aprint_error("uaudio_io_terminaltype: no memory\n");
1456 return NULL;
1457 }
1458 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1459 src_id = it->d.mu->baSourceId[i];
1460 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1461 src_id);
1462 it->inputs_size++;
1463 }
1464 return uaudio_merge_terminal_list(it);
1465 case UDESCSUB_AC_SELECTOR:
1466 it->inputs_size = 0;
1467 it->inputs = malloc(sizeof(struct terminal_list *)
1468 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1469 if (it->inputs == NULL) {
1470 aprint_error("uaudio_io_terminaltype: no memory\n");
1471 return NULL;
1472 }
1473 for (i = 0; i < it->d.su->bNrInPins; i++) {
1474 src_id = it->d.su->baSourceId[i];
1475 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1476 src_id);
1477 it->inputs_size++;
1478 }
1479 return uaudio_merge_terminal_list(it);
1480 case UDESCSUB_AC_PROCESSING:
1481 it->inputs_size = 0;
1482 it->inputs = malloc(sizeof(struct terminal_list *)
1483 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1484 if (it->inputs == NULL) {
1485 aprint_error("uaudio_io_terminaltype: no memory\n");
1486 return NULL;
1487 }
1488 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1489 src_id = it->d.pu->baSourceId[i];
1490 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1491 src_id);
1492 it->inputs_size++;
1493 }
1494 return uaudio_merge_terminal_list(it);
1495 case UDESCSUB_AC_EXTENSION:
1496 it->inputs_size = 0;
1497 it->inputs = malloc(sizeof(struct terminal_list *)
1498 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1499 if (it->inputs == NULL) {
1500 aprint_error("uaudio_io_terminaltype: no memory\n");
1501 return NULL;
1502 }
1503 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1504 src_id = it->d.eu->baSourceId[i];
1505 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1506 src_id);
1507 it->inputs_size++;
1508 }
1509 return uaudio_merge_terminal_list(it);
1510 case UDESCSUB_AC_HEADER:
1511 default:
1512 return NULL;
1513 }
1514 }
1515
1516 Static usbd_status
1517 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1518 {
1519 usbd_status err;
1520
1521 err = uaudio_identify_ac(sc, cdesc);
1522 if (err)
1523 return err;
1524 return uaudio_identify_as(sc, cdesc);
1525 }
1526
1527 Static void
1528 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1529 {
1530 size_t len;
1531 struct as_info *nai;
1532
1533 len = sizeof(*ai) * (sc->sc_nalts + 1);
1534 nai = malloc(len, M_USBDEV, M_NOWAIT);
1535 if (nai == NULL) {
1536 aprint_error("uaudio_add_alt: no memory\n");
1537 return;
1538 }
1539 /* Copy old data, if there was any */
1540 if (sc->sc_nalts != 0) {
1541 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1542 free(sc->sc_alts, M_USBDEV);
1543 }
1544 sc->sc_alts = nai;
1545 DPRINTFN(2,"adding alt=%d, enc=%d\n",
1546 ai->alt, ai->encoding);
1547 sc->sc_alts[sc->sc_nalts++] = *ai;
1548 }
1549
1550 Static usbd_status
1551 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1552 int size, const usb_interface_descriptor_t *id)
1553 #define offs (*offsp)
1554 {
1555 const struct usb_audio_streaming_interface_descriptor *asid;
1556 const struct usb_audio_streaming_type1_descriptor *asf1d;
1557 const usb_endpoint_descriptor_audio_t *ed;
1558 const usb_endpoint_descriptor_audio_t *epdesc1;
1559 const struct usb_audio_streaming_endpoint_descriptor *sed;
1560 int format, chan __unused, prec, enc;
1561 int dir, type, sync;
1562 struct as_info ai;
1563 const char *format_str __unused;
1564
1565 asid = (const void *)(tbuf + offs);
1566 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1567 asid->bDescriptorSubtype != AS_GENERAL)
1568 return USBD_INVAL;
1569 DPRINTF("asid: bTerminakLink=%d wFormatTag=%d\n",
1570 asid->bTerminalLink, UGETW(asid->wFormatTag));
1571 offs += asid->bLength;
1572 if (offs > size)
1573 return USBD_INVAL;
1574
1575 asf1d = (const void *)(tbuf + offs);
1576 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1577 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1578 return USBD_INVAL;
1579 offs += asf1d->bLength;
1580 if (offs > size)
1581 return USBD_INVAL;
1582
1583 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1584 aprint_error_dev(sc->sc_dev,
1585 "ignored setting with type %d format\n", UGETW(asid->wFormatTag));
1586 return USBD_NORMAL_COMPLETION;
1587 }
1588
1589 ed = (const void *)(tbuf + offs);
1590 if (ed->bDescriptorType != UDESC_ENDPOINT)
1591 return USBD_INVAL;
1592 DPRINTF("endpoint[0] bLength=%d bDescriptorType=%d "
1593 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1594 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1595 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1596 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1597 ed->bInterval, ed->bRefresh, ed->bSynchAddress);
1598 offs += ed->bLength;
1599 if (offs > size)
1600 return USBD_INVAL;
1601 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1602 return USBD_INVAL;
1603
1604 dir = UE_GET_DIR(ed->bEndpointAddress);
1605 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1606 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1607 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1608 type = UE_ISO_ASYNC;
1609
1610 /* We can't handle endpoints that need a sync pipe yet. */
1611 sync = FALSE;
1612 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1613 sync = TRUE;
1614 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1615 aprint_error_dev(sc->sc_dev,
1616 "ignored input endpoint of type adaptive\n");
1617 return USBD_NORMAL_COMPLETION;
1618 #endif
1619 }
1620 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1621 sync = TRUE;
1622 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1623 aprint_error_dev(sc->sc_dev,
1624 "ignored output endpoint of type async\n");
1625 return USBD_NORMAL_COMPLETION;
1626 #endif
1627 }
1628
1629 sed = (const void *)(tbuf + offs);
1630 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1631 sed->bDescriptorSubtype != AS_GENERAL)
1632 return USBD_INVAL;
1633 DPRINTF(" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength);
1634 offs += sed->bLength;
1635 if (offs > size)
1636 return USBD_INVAL;
1637
1638 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1639 if (sync && id->bNumEndpoints <= 1) {
1640 aprint_error_dev(sc->sc_dev,
1641 "a sync-pipe endpoint but no other endpoint\n");
1642 return USBD_INVAL;
1643 }
1644 #endif
1645 if (!sync && id->bNumEndpoints > 1) {
1646 aprint_error_dev(sc->sc_dev,
1647 "non sync-pipe endpoint but multiple endpoints\n");
1648 return USBD_INVAL;
1649 }
1650 epdesc1 = NULL;
1651 if (id->bNumEndpoints > 1) {
1652 epdesc1 = (const void*)(tbuf + offs);
1653 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1654 return USBD_INVAL;
1655 DPRINTF("endpoint[1] bLength=%d "
1656 "bDescriptorType=%d bEndpointAddress=%d "
1657 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1658 "bRefresh=%d bSynchAddress=%d\n",
1659 epdesc1->bLength, epdesc1->bDescriptorType,
1660 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1661 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1662 epdesc1->bRefresh, epdesc1->bSynchAddress);
1663 offs += epdesc1->bLength;
1664 if (offs > size)
1665 return USBD_INVAL;
1666 if (epdesc1->bSynchAddress != 0) {
1667 aprint_error_dev(sc->sc_dev,
1668 "invalid endpoint: bSynchAddress=0\n");
1669 return USBD_INVAL;
1670 }
1671 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1672 aprint_error_dev(sc->sc_dev,
1673 "invalid endpoint: bmAttributes=0x%x\n",
1674 epdesc1->bmAttributes);
1675 return USBD_INVAL;
1676 }
1677 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1678 aprint_error_dev(sc->sc_dev,
1679 "invalid endpoint addresses: "
1680 "ep[0]->bSynchAddress=0x%x "
1681 "ep[1]->bEndpointAddress=0x%x\n",
1682 ed->bSynchAddress, epdesc1->bEndpointAddress);
1683 return USBD_INVAL;
1684 }
1685 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1686 }
1687
1688 format = UGETW(asid->wFormatTag);
1689 chan = asf1d->bNrChannels;
1690 prec = asf1d->bBitResolution;
1691 if (prec != 8 && prec != 16 && prec != 24) {
1692 aprint_error_dev(sc->sc_dev,
1693 "ignored setting with precision %d\n", prec);
1694 return USBD_NORMAL_COMPLETION;
1695 }
1696 switch (format) {
1697 case UA_FMT_PCM:
1698 if (prec == 8) {
1699 sc->sc_altflags |= HAS_8;
1700 } else if (prec == 16) {
1701 sc->sc_altflags |= HAS_16;
1702 } else if (prec == 24) {
1703 sc->sc_altflags |= HAS_24;
1704 }
1705 enc = AUDIO_ENCODING_SLINEAR_LE;
1706 format_str = "pcm";
1707 break;
1708 case UA_FMT_PCM8:
1709 enc = AUDIO_ENCODING_ULINEAR_LE;
1710 sc->sc_altflags |= HAS_8U;
1711 format_str = "pcm8";
1712 break;
1713 case UA_FMT_ALAW:
1714 enc = AUDIO_ENCODING_ALAW;
1715 sc->sc_altflags |= HAS_ALAW;
1716 format_str = "alaw";
1717 break;
1718 case UA_FMT_MULAW:
1719 enc = AUDIO_ENCODING_ULAW;
1720 sc->sc_altflags |= HAS_MULAW;
1721 format_str = "mulaw";
1722 break;
1723 case UA_FMT_IEEE_FLOAT:
1724 default:
1725 aprint_error_dev(sc->sc_dev,
1726 "ignored setting with format %d\n", format);
1727 return USBD_NORMAL_COMPLETION;
1728 }
1729 #ifdef UAUDIO_DEBUG
1730 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,",
1731 dir == UE_DIR_IN ? "recording" : "playback",
1732 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1733 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1734 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d),
1735 UA_SAMP_HI(asf1d));
1736 } else {
1737 int r;
1738 aprint_debug(" %d", UA_GETSAMP(asf1d, 0));
1739 for (r = 1; r < asf1d->bSamFreqType; r++)
1740 aprint_debug(",%d", UA_GETSAMP(asf1d, r));
1741 aprint_debug("Hz\n");
1742 }
1743 #endif
1744 ai.alt = id->bAlternateSetting;
1745 ai.encoding = enc;
1746 ai.attributes = sed->bmAttributes;
1747 ai.idesc = id;
1748 ai.edesc = ed;
1749 ai.edesc1 = epdesc1;
1750 ai.asf1desc = asf1d;
1751 ai.sc_busy = 0;
1752 ai.aformat = NULL;
1753 ai.ifaceh = NULL;
1754 uaudio_add_alt(sc, &ai);
1755 #ifdef UAUDIO_DEBUG
1756 if (ai.attributes & UA_SED_FREQ_CONTROL)
1757 DPRINTFN(1, "%s", "FREQ_CONTROL\n");
1758 if (ai.attributes & UA_SED_PITCH_CONTROL)
1759 DPRINTFN(1, "%s", "PITCH_CONTROL\n");
1760 #endif
1761 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1762
1763 return USBD_NORMAL_COMPLETION;
1764 }
1765 #undef offs
1766
1767 Static usbd_status
1768 uaudio_identify_as(struct uaudio_softc *sc,
1769 const usb_config_descriptor_t *cdesc)
1770 {
1771 const usb_interface_descriptor_t *id;
1772 const char *tbuf;
1773 struct audio_format *auf;
1774 const struct usb_audio_streaming_type1_descriptor *t1desc;
1775 int size, offs;
1776 int i, j;
1777
1778 size = UGETW(cdesc->wTotalLength);
1779 tbuf = (const char *)cdesc;
1780
1781 /* Locate the AudioStreaming interface descriptor. */
1782 offs = 0;
1783 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1784 if (id == NULL)
1785 return USBD_INVAL;
1786
1787 /* Loop through all the alternate settings. */
1788 while (offs <= size) {
1789 DPRINTFN(2, "interface=%d offset=%d\n",
1790 id->bInterfaceNumber, offs);
1791 switch (id->bNumEndpoints) {
1792 case 0:
1793 DPRINTFN(2, "AS null alt=%d\n",
1794 id->bAlternateSetting);
1795 sc->sc_nullalt = id->bAlternateSetting;
1796 break;
1797 case 1:
1798 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1799 case 2:
1800 #endif
1801 uaudio_process_as(sc, tbuf, &offs, size, id);
1802 break;
1803 default:
1804 aprint_error_dev(sc->sc_dev,
1805 "ignored audio interface with %d endpoints\n",
1806 id->bNumEndpoints);
1807 break;
1808 }
1809 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1810 if (id == NULL)
1811 break;
1812 }
1813 if (offs > size)
1814 return USBD_INVAL;
1815 DPRINTF("%d alts available\n", sc->sc_nalts);
1816
1817 if (sc->sc_mode == 0) {
1818 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n");
1819 return USBD_INVAL;
1820 }
1821
1822 /* build audio_format array */
1823 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1824 M_USBDEV, M_NOWAIT);
1825 if (sc->sc_formats == NULL)
1826 return USBD_NOMEM;
1827 sc->sc_nformats = sc->sc_nalts;
1828 for (i = 0; i < sc->sc_nalts; i++) {
1829 auf = &sc->sc_formats[i];
1830 t1desc = sc->sc_alts[i].asf1desc;
1831 auf->driver_data = NULL;
1832 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1833 auf->mode = AUMODE_PLAY;
1834 else
1835 auf->mode = AUMODE_RECORD;
1836 auf->encoding = sc->sc_alts[i].encoding;
1837 auf->validbits = t1desc->bBitResolution;
1838 auf->precision = t1desc->bSubFrameSize * 8;
1839 auf->channels = t1desc->bNrChannels;
1840 auf->channel_mask = sc->sc_channel_config;
1841 auf->frequency_type = t1desc->bSamFreqType;
1842 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1843 auf->frequency[0] = UA_SAMP_LO(t1desc);
1844 auf->frequency[1] = UA_SAMP_HI(t1desc);
1845 } else {
1846 for (j = 0; j < t1desc->bSamFreqType; j++) {
1847 if (j >= AUFMT_MAX_FREQUENCIES) {
1848 aprint_error("%s: please increase "
1849 "AUFMT_MAX_FREQUENCIES to %d\n",
1850 __func__, t1desc->bSamFreqType);
1851 auf->frequency_type =
1852 AUFMT_MAX_FREQUENCIES;
1853 break;
1854 }
1855 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1856 }
1857 }
1858 sc->sc_alts[i].aformat = auf;
1859 }
1860
1861 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1862 &sc->sc_encodings)) {
1863 free(sc->sc_formats, M_DEVBUF);
1864 sc->sc_formats = NULL;
1865 return ENOMEM;
1866 }
1867
1868 return USBD_NORMAL_COMPLETION;
1869 }
1870
1871 Static usbd_status
1872 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1873 {
1874 struct io_terminal* iot;
1875 const usb_interface_descriptor_t *id;
1876 const struct usb_audio_control_descriptor *acdp;
1877 const uaudio_cs_descriptor_t *dp;
1878 const struct usb_audio_output_terminal *pot;
1879 struct terminal_list *tml;
1880 const char *tbuf, *ibuf, *ibufend;
1881 int size, offs, ndps, i, j;
1882
1883 size = UGETW(cdesc->wTotalLength);
1884 tbuf = (const char *)cdesc;
1885
1886 /* Locate the AudioControl interface descriptor. */
1887 offs = 0;
1888 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1889 if (id == NULL)
1890 return USBD_INVAL;
1891 if (offs + sizeof *acdp > size)
1892 return USBD_INVAL;
1893 sc->sc_ac_iface = id->bInterfaceNumber;
1894 DPRINTFN(2,"AC interface is %d\n", sc->sc_ac_iface);
1895
1896 /* A class-specific AC interface header should follow. */
1897 ibuf = tbuf + offs;
1898 ibufend = tbuf + size;
1899 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1900 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1901 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1902 return USBD_INVAL;
1903
1904 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1905 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1906 return USBD_INVAL;
1907
1908 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1909 DPRINTFN(2, "found AC header, vers=%03x\n", sc->sc_audio_rev);
1910
1911 sc->sc_nullalt = -1;
1912
1913 /* Scan through all the AC specific descriptors */
1914 dp = (const uaudio_cs_descriptor_t *)ibuf;
1915 ndps = 0;
1916 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1917 if (iot == NULL) {
1918 aprint_error("%s: no memory\n", __func__);
1919 return USBD_NOMEM;
1920 }
1921 for (;;) {
1922 ibuf += dp->bLength;
1923 if (ibuf >= ibufend)
1924 break;
1925 dp = (const uaudio_cs_descriptor_t *)ibuf;
1926 if (ibuf + dp->bLength > ibufend) {
1927 free(iot, M_TEMP);
1928 return USBD_INVAL;
1929 }
1930 if (dp->bDescriptorType != UDESC_CS_INTERFACE)
1931 break;
1932 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1933 iot[i].d.desc = dp;
1934 if (i > ndps)
1935 ndps = i;
1936 }
1937 ndps++;
1938
1939 /* construct io_terminal */
1940 for (i = 0; i < ndps; i++) {
1941 dp = iot[i].d.desc;
1942 if (dp == NULL)
1943 continue;
1944 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1945 continue;
1946 pot = iot[i].d.ot;
1947 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1948 if (tml != NULL)
1949 free(tml, M_TEMP);
1950 }
1951
1952 #ifdef UAUDIO_DEBUG
1953 for (i = 0; i < 256; i++) {
1954 struct usb_audio_cluster cluster;
1955
1956 if (iot[i].d.desc == NULL)
1957 continue;
1958 printf("id %d:\t", i);
1959 switch (iot[i].d.desc->bDescriptorSubtype) {
1960 case UDESCSUB_AC_INPUT:
1961 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1962 (UGETW(iot[i].d.it->wTerminalType)));
1963 printf("\t");
1964 cluster = uaudio_get_cluster(i, iot);
1965 uaudio_dump_cluster(&cluster);
1966 printf("\n");
1967 break;
1968 case UDESCSUB_AC_OUTPUT:
1969 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1970 (UGETW(iot[i].d.ot->wTerminalType)));
1971 printf("src=%d\n", iot[i].d.ot->bSourceId);
1972 break;
1973 case UDESCSUB_AC_MIXER:
1974 printf("AC_MIXER src=");
1975 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1976 printf("%d ", iot[i].d.mu->baSourceId[j]);
1977 printf("\n\t");
1978 cluster = uaudio_get_cluster(i, iot);
1979 uaudio_dump_cluster(&cluster);
1980 printf("\n");
1981 break;
1982 case UDESCSUB_AC_SELECTOR:
1983 printf("AC_SELECTOR src=");
1984 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1985 printf("%d ", iot[i].d.su->baSourceId[j]);
1986 printf("\n");
1987 break;
1988 case UDESCSUB_AC_FEATURE:
1989 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1990 break;
1991 case UDESCSUB_AC_PROCESSING:
1992 printf("AC_PROCESSING src=");
1993 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1994 printf("%d ", iot[i].d.pu->baSourceId[j]);
1995 printf("\n\t");
1996 cluster = uaudio_get_cluster(i, iot);
1997 uaudio_dump_cluster(&cluster);
1998 printf("\n");
1999 break;
2000 case UDESCSUB_AC_EXTENSION:
2001 printf("AC_EXTENSION src=");
2002 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
2003 printf("%d ", iot[i].d.eu->baSourceId[j]);
2004 printf("\n\t");
2005 cluster = uaudio_get_cluster(i, iot);
2006 uaudio_dump_cluster(&cluster);
2007 printf("\n");
2008 break;
2009 default:
2010 printf("unknown audio control (subtype=%d)\n",
2011 iot[i].d.desc->bDescriptorSubtype);
2012 }
2013 for (j = 0; j < iot[i].inputs_size; j++) {
2014 int k;
2015 printf("\tinput%d: ", j);
2016 tml = iot[i].inputs[j];
2017 if (tml == NULL) {
2018 printf("NULL\n");
2019 continue;
2020 }
2021 for (k = 0; k < tml->size; k++)
2022 printf("%s ", uaudio_get_terminal_name
2023 (tml->terminals[k]));
2024 printf("\n");
2025 }
2026 printf("\toutput: ");
2027 tml = iot[i].output;
2028 for (j = 0; j < tml->size; j++)
2029 printf("%s ", uaudio_get_terminal_name(tml->terminals[j]));
2030 printf("\n");
2031 }
2032 #endif
2033
2034 for (i = 0; i < ndps; i++) {
2035 dp = iot[i].d.desc;
2036 if (dp == NULL)
2037 continue;
2038 DPRINTF("id=%d subtype=%d\n", i, dp->bDescriptorSubtype);
2039 switch (dp->bDescriptorSubtype) {
2040 case UDESCSUB_AC_HEADER:
2041 aprint_error("uaudio_identify_ac: unexpected AC header\n");
2042 break;
2043 case UDESCSUB_AC_INPUT:
2044 uaudio_add_input(sc, iot, i);
2045 break;
2046 case UDESCSUB_AC_OUTPUT:
2047 uaudio_add_output(sc, iot, i);
2048 break;
2049 case UDESCSUB_AC_MIXER:
2050 uaudio_add_mixer(sc, iot, i);
2051 break;
2052 case UDESCSUB_AC_SELECTOR:
2053 uaudio_add_selector(sc, iot, i);
2054 break;
2055 case UDESCSUB_AC_FEATURE:
2056 uaudio_add_feature(sc, iot, i);
2057 break;
2058 case UDESCSUB_AC_PROCESSING:
2059 uaudio_add_processing(sc, iot, i);
2060 break;
2061 case UDESCSUB_AC_EXTENSION:
2062 uaudio_add_extension(sc, iot, i);
2063 break;
2064 default:
2065 aprint_error(
2066 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2067 dp->bDescriptorSubtype);
2068 break;
2069 }
2070 }
2071
2072 /* delete io_terminal */
2073 for (i = 0; i < 256; i++) {
2074 if (iot[i].d.desc == NULL)
2075 continue;
2076 if (iot[i].inputs != NULL) {
2077 for (j = 0; j < iot[i].inputs_size; j++) {
2078 if (iot[i].inputs[j] != NULL)
2079 free(iot[i].inputs[j], M_TEMP);
2080 }
2081 free(iot[i].inputs, M_TEMP);
2082 }
2083 if (iot[i].output != NULL)
2084 free(iot[i].output, M_TEMP);
2085 iot[i].d.desc = NULL;
2086 }
2087 free(iot, M_TEMP);
2088
2089 return USBD_NORMAL_COMPLETION;
2090 }
2091
2092 Static int
2093 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2094 {
2095 struct uaudio_softc *sc;
2096 struct mixerctl *mc;
2097 int n, nctls, i;
2098
2099 DPRINTFN(7, "index=%d\n", mi->index);
2100 sc = addr;
2101 if (sc->sc_dying)
2102 return EIO;
2103
2104 n = mi->index;
2105 nctls = sc->sc_nctls;
2106
2107 switch (n) {
2108 case UAC_OUTPUT:
2109 mi->type = AUDIO_MIXER_CLASS;
2110 mi->mixer_class = UAC_OUTPUT;
2111 mi->next = mi->prev = AUDIO_MIXER_LAST;
2112 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2113 return 0;
2114 case UAC_INPUT:
2115 mi->type = AUDIO_MIXER_CLASS;
2116 mi->mixer_class = UAC_INPUT;
2117 mi->next = mi->prev = AUDIO_MIXER_LAST;
2118 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2119 return 0;
2120 case UAC_EQUAL:
2121 mi->type = AUDIO_MIXER_CLASS;
2122 mi->mixer_class = UAC_EQUAL;
2123 mi->next = mi->prev = AUDIO_MIXER_LAST;
2124 strlcpy(mi->label.name, AudioCequalization,
2125 sizeof(mi->label.name));
2126 return 0;
2127 case UAC_RECORD:
2128 mi->type = AUDIO_MIXER_CLASS;
2129 mi->mixer_class = UAC_RECORD;
2130 mi->next = mi->prev = AUDIO_MIXER_LAST;
2131 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2132 return 0;
2133 default:
2134 break;
2135 }
2136
2137 n -= UAC_NCLASSES;
2138 if (n < 0 || n >= nctls)
2139 return ENXIO;
2140
2141 mc = &sc->sc_ctls[n];
2142 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2143 mi->mixer_class = mc->class;
2144 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2145 switch (mc->type) {
2146 case MIX_ON_OFF:
2147 mi->type = AUDIO_MIXER_ENUM;
2148 mi->un.e.num_mem = 2;
2149 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2150 sizeof(mi->un.e.member[0].label.name));
2151 mi->un.e.member[0].ord = 0;
2152 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2153 sizeof(mi->un.e.member[1].label.name));
2154 mi->un.e.member[1].ord = 1;
2155 break;
2156 case MIX_SELECTOR:
2157 mi->type = AUDIO_MIXER_ENUM;
2158 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2159 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2160 snprintf(mi->un.e.member[i].label.name,
2161 sizeof(mi->un.e.member[i].label.name),
2162 "%d", i + mc->minval);
2163 mi->un.e.member[i].ord = i + mc->minval;
2164 }
2165 break;
2166 default:
2167 mi->type = AUDIO_MIXER_VALUE;
2168 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2169 mi->un.v.num_channels = mc->nchan;
2170 mi->un.v.delta = mc->delta;
2171 break;
2172 }
2173 return 0;
2174 }
2175
2176 Static int
2177 uaudio_open(void *addr, int flags)
2178 {
2179 struct uaudio_softc *sc;
2180
2181 sc = addr;
2182 DPRINTF("sc=%p\n", sc);
2183 if (sc->sc_dying)
2184 return EIO;
2185
2186 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2187 return EACCES;
2188 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2189 return EACCES;
2190
2191 return 0;
2192 }
2193
2194 /*
2195 * Close function is called at splaudio().
2196 */
2197 Static void
2198 uaudio_close(void *addr)
2199 {
2200 }
2201
2202 Static int
2203 uaudio_drain(void *addr)
2204 {
2205 struct uaudio_softc *sc = addr;
2206
2207 KASSERT(mutex_owned(&sc->sc_intr_lock));
2208
2209 kpause("uaudiodr", false,
2210 mstohz(UAUDIO_NCHANBUFS * UAUDIO_NFRAMES), &sc->sc_intr_lock);
2211
2212 return 0;
2213 }
2214
2215 Static int
2216 uaudio_halt_out_dma(void *addr)
2217 {
2218 struct uaudio_softc *sc = addr;
2219
2220 DPRINTF("%s", "enter\n");
2221
2222 mutex_spin_exit(&sc->sc_intr_lock);
2223 if (sc->sc_playchan.pipe != NULL) {
2224 uaudio_chan_close(sc, &sc->sc_playchan);
2225 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2226 sc->sc_playchan.intr = NULL;
2227 }
2228 mutex_spin_enter(&sc->sc_intr_lock);
2229
2230 return 0;
2231 }
2232
2233 Static int
2234 uaudio_halt_in_dma(void *addr)
2235 {
2236 struct uaudio_softc *sc = addr;
2237
2238 DPRINTF("%s", "enter\n");
2239
2240 mutex_spin_exit(&sc->sc_intr_lock);
2241 if (sc->sc_recchan.pipe != NULL) {
2242 uaudio_chan_close(sc, &sc->sc_recchan);
2243 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2244 sc->sc_recchan.intr = NULL;
2245 }
2246 mutex_spin_enter(&sc->sc_intr_lock);
2247
2248 return 0;
2249 }
2250
2251 Static int
2252 uaudio_getdev(void *addr, struct audio_device *retp)
2253 {
2254 struct uaudio_softc *sc;
2255
2256 DPRINTF("%s", "\n");
2257 sc = addr;
2258 if (sc->sc_dying)
2259 return EIO;
2260
2261 *retp = sc->sc_adev;
2262 return 0;
2263 }
2264
2265 /*
2266 * Make sure the block size is large enough to hold all outstanding transfers.
2267 */
2268 Static int
2269 uaudio_round_blocksize(void *addr, int blk,
2270 int mode, const audio_params_t *param)
2271 {
2272 struct uaudio_softc *sc;
2273 int b;
2274
2275 sc = addr;
2276 DPRINTF("blk=%d mode=%s\n", blk,
2277 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD");
2278
2279 /* chan.bytes_per_frame can be 0. */
2280 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2281 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2282
2283 /*
2284 * This does not make accurate value in the case
2285 * of b % USB_FRAMES_PER_SECOND != 0
2286 */
2287 b /= USB_FRAMES_PER_SECOND;
2288
2289 b *= param->precision / 8 * param->channels;
2290 } else {
2291 /*
2292 * use wMaxPacketSize in bytes_per_frame.
2293 * See uaudio_set_params() and uaudio_chan_init()
2294 */
2295 b = sc->sc_recchan.bytes_per_frame
2296 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2297 }
2298
2299 if (b <= 0)
2300 b = 1;
2301 blk = blk <= b ? b : blk / b * b;
2302
2303 #ifdef DIAGNOSTIC
2304 if (blk <= 0) {
2305 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk);
2306 blk = 512;
2307 }
2308 #endif
2309
2310 DPRINTF("resultant blk=%d\n", blk);
2311 return blk;
2312 }
2313
2314 Static int
2315 uaudio_get_props(void *addr)
2316 {
2317 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2318
2319 }
2320
2321 Static void
2322 uaudio_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
2323 {
2324 struct uaudio_softc *sc;
2325
2326 sc = addr;
2327 *intr = &sc->sc_intr_lock;
2328 *thread = &sc->sc_lock;
2329 }
2330
2331 Static int
2332 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2333 int wIndex, int len)
2334 {
2335 usb_device_request_t req;
2336 u_int8_t data[4];
2337 usbd_status err;
2338 int val;
2339
2340 if (wValue == -1)
2341 return 0;
2342
2343 req.bmRequestType = type;
2344 req.bRequest = which;
2345 USETW(req.wValue, wValue);
2346 USETW(req.wIndex, wIndex);
2347 USETW(req.wLength, len);
2348 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2349 "wIndex=0x%04x len=%d\n",
2350 type, which, wValue, wIndex, len);
2351 err = usbd_do_request(sc->sc_udev, &req, data);
2352 if (err) {
2353 DPRINTF("err=%s\n", usbd_errstr(err));
2354 return -1;
2355 }
2356 switch (len) {
2357 case 1:
2358 val = data[0];
2359 break;
2360 case 2:
2361 val = data[0] | (data[1] << 8);
2362 break;
2363 default:
2364 DPRINTF("bad length=%d\n", len);
2365 return -1;
2366 }
2367 DPRINTFN(2,"val=%d\n", val);
2368 return val;
2369 }
2370
2371 Static void
2372 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2373 int wIndex, int len, int val)
2374 {
2375 usb_device_request_t req;
2376 u_int8_t data[4];
2377 int err __unused;
2378
2379 if (wValue == -1)
2380 return;
2381
2382 req.bmRequestType = type;
2383 req.bRequest = which;
2384 USETW(req.wValue, wValue);
2385 USETW(req.wIndex, wIndex);
2386 USETW(req.wLength, len);
2387 switch (len) {
2388 case 1:
2389 data[0] = val;
2390 break;
2391 case 2:
2392 data[0] = val;
2393 data[1] = val >> 8;
2394 break;
2395 default:
2396 return;
2397 }
2398 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2399 "wIndex=0x%04x len=%d, val=%d\n",
2400 type, which, wValue, wIndex, len, val & 0xffff);
2401 err = usbd_do_request(sc->sc_udev, &req, data);
2402 #ifdef UAUDIO_DEBUG
2403 if (err)
2404 DPRINTF("err=%d\n", err);
2405 #endif
2406 }
2407
2408 Static int
2409 uaudio_signext(int type, int val)
2410 {
2411 if (!MIX_UNSIGNED(type)) {
2412 if (MIX_SIZE(type) == 2)
2413 val = (int16_t)val;
2414 else
2415 val = (int8_t)val;
2416 }
2417 return val;
2418 }
2419
2420 Static int
2421 uaudio_value2bsd(struct mixerctl *mc, int val)
2422 {
2423 DPRINTFN(5, "type=%03x val=%d min=%d max=%d ",
2424 mc->type, val, mc->minval, mc->maxval);
2425 if (mc->type == MIX_ON_OFF) {
2426 val = (val != 0);
2427 } else if (mc->type == MIX_SELECTOR) {
2428 if (val < mc->minval || val > mc->maxval)
2429 val = mc->minval;
2430 } else
2431 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2432 + mc->mul/2) / mc->mul;
2433 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2434 return val;
2435 }
2436
2437 int
2438 uaudio_bsd2value(struct mixerctl *mc, int val)
2439 {
2440 DPRINTFN(5,"type=%03x val=%d min=%d max=%d ",
2441 mc->type, val, mc->minval, mc->maxval);
2442 if (mc->type == MIX_ON_OFF) {
2443 val = (val != 0);
2444 } else if (mc->type == MIX_SELECTOR) {
2445 if (val < mc->minval || val > mc->maxval)
2446 val = mc->minval;
2447 } else
2448 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2449 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2450 return val;
2451 }
2452
2453 Static int
2454 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2455 int chan)
2456 {
2457 int val;
2458
2459 DPRINTFN(5,"which=%d chan=%d\n", which, chan);
2460 mutex_exit(&sc->sc_lock);
2461 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2462 mc->wIndex, MIX_SIZE(mc->type));
2463 mutex_enter(&sc->sc_lock);
2464 return uaudio_value2bsd(mc, val);
2465 }
2466
2467 Static void
2468 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2469 int chan, int val)
2470 {
2471
2472 val = uaudio_bsd2value(mc, val);
2473 mutex_exit(&sc->sc_lock);
2474 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2475 mc->wIndex, MIX_SIZE(mc->type), val);
2476 mutex_enter(&sc->sc_lock);
2477 }
2478
2479 Static int
2480 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2481 {
2482 struct uaudio_softc *sc;
2483 struct mixerctl *mc;
2484 int i, n, vals[MIX_MAX_CHAN], val;
2485
2486 DPRINTFN(2, "index=%d\n", cp->dev);
2487 sc = addr;
2488 if (sc->sc_dying)
2489 return EIO;
2490
2491 n = cp->dev - UAC_NCLASSES;
2492 if (n < 0 || n >= sc->sc_nctls)
2493 return ENXIO;
2494 mc = &sc->sc_ctls[n];
2495
2496 if (mc->type == MIX_ON_OFF) {
2497 if (cp->type != AUDIO_MIXER_ENUM)
2498 return EINVAL;
2499 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2500 } else if (mc->type == MIX_SELECTOR) {
2501 if (cp->type != AUDIO_MIXER_ENUM)
2502 return EINVAL;
2503 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2504 } else {
2505 if (cp->type != AUDIO_MIXER_VALUE)
2506 return EINVAL;
2507 if (cp->un.value.num_channels != 1 &&
2508 cp->un.value.num_channels != mc->nchan)
2509 return EINVAL;
2510 for (i = 0; i < mc->nchan; i++)
2511 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2512 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2513 for (val = 0, i = 0; i < mc->nchan; i++)
2514 val += vals[i];
2515 vals[0] = val / mc->nchan;
2516 }
2517 for (i = 0; i < cp->un.value.num_channels; i++)
2518 cp->un.value.level[i] = vals[i];
2519 }
2520
2521 return 0;
2522 }
2523
2524 Static int
2525 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2526 {
2527 struct uaudio_softc *sc;
2528 struct mixerctl *mc;
2529 int i, n, vals[MIX_MAX_CHAN];
2530
2531 DPRINTFN(2, "index = %d\n", cp->dev);
2532 sc = addr;
2533 if (sc->sc_dying)
2534 return EIO;
2535
2536 n = cp->dev - UAC_NCLASSES;
2537 if (n < 0 || n >= sc->sc_nctls)
2538 return ENXIO;
2539 mc = &sc->sc_ctls[n];
2540
2541 if (mc->type == MIX_ON_OFF) {
2542 if (cp->type != AUDIO_MIXER_ENUM)
2543 return EINVAL;
2544 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2545 } else if (mc->type == MIX_SELECTOR) {
2546 if (cp->type != AUDIO_MIXER_ENUM)
2547 return EINVAL;
2548 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2549 } else {
2550 if (cp->type != AUDIO_MIXER_VALUE)
2551 return EINVAL;
2552 if (cp->un.value.num_channels == 1)
2553 for (i = 0; i < mc->nchan; i++)
2554 vals[i] = cp->un.value.level[0];
2555 else if (cp->un.value.num_channels == mc->nchan)
2556 for (i = 0; i < mc->nchan; i++)
2557 vals[i] = cp->un.value.level[i];
2558 else
2559 return EINVAL;
2560 for (i = 0; i < mc->nchan; i++)
2561 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2562 }
2563 return 0;
2564 }
2565
2566 Static int
2567 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2568 void (*intr)(void *), void *arg,
2569 const audio_params_t *param)
2570 {
2571 struct uaudio_softc *sc;
2572 struct chan *ch;
2573 usbd_status err;
2574 int i;
2575
2576 sc = addr;
2577 if (sc->sc_dying)
2578 return EIO;
2579
2580 DPRINTFN(3, "sc=%p start=%p end=%p "
2581 "blksize=%d\n", sc, start, end, blksize);
2582 ch = &sc->sc_recchan;
2583 uaudio_chan_set_param(ch, start, end, blksize);
2584 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2585 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2586 ch->fraction);
2587
2588 mutex_spin_exit(&sc->sc_intr_lock);
2589 err = uaudio_chan_alloc_buffers(sc, ch);
2590 if (err) {
2591 mutex_spin_enter(&sc->sc_intr_lock);
2592 return EIO;
2593 }
2594
2595 err = uaudio_chan_open(sc, ch);
2596 if (err) {
2597 uaudio_chan_free_buffers(sc, ch);
2598 mutex_spin_enter(&sc->sc_intr_lock);
2599 return EIO;
2600 }
2601
2602 ch->intr = intr;
2603 ch->arg = arg;
2604
2605 mutex_spin_exit(&sc->sc_intr_lock);
2606 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2607 uaudio_chan_rtransfer(ch);
2608 mutex_spin_enter(&sc->sc_intr_lock);
2609
2610 return 0;
2611 }
2612
2613 Static int
2614 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2615 void (*intr)(void *), void *arg,
2616 const audio_params_t *param)
2617 {
2618 struct uaudio_softc *sc;
2619 struct chan *ch;
2620 usbd_status err;
2621 int i;
2622
2623 sc = addr;
2624 if (sc->sc_dying)
2625 return EIO;
2626
2627 DPRINTFN(3, "sc=%p start=%p end=%p "
2628 "blksize=%d\n", sc, start, end, blksize);
2629 ch = &sc->sc_playchan;
2630 uaudio_chan_set_param(ch, start, end, blksize);
2631 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2632 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2633 ch->fraction);
2634
2635 mutex_spin_exit(&sc->sc_intr_lock);
2636 err = uaudio_chan_alloc_buffers(sc, ch);
2637 if (err) {
2638 mutex_spin_enter(&sc->sc_intr_lock);
2639 return EIO;
2640 }
2641
2642 err = uaudio_chan_open(sc, ch);
2643 if (err) {
2644 uaudio_chan_free_buffers(sc, ch);
2645 mutex_spin_enter(&sc->sc_intr_lock);
2646 return EIO;
2647 }
2648
2649 ch->intr = intr;
2650 ch->arg = arg;
2651
2652 mutex_spin_exit(&sc->sc_intr_lock);
2653 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2654 uaudio_chan_ptransfer(ch);
2655 mutex_spin_enter(&sc->sc_intr_lock);
2656
2657 return 0;
2658 }
2659
2660 /* Set up a pipe for a channel. */
2661 Static usbd_status
2662 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2663 {
2664 struct as_info *as;
2665 usb_device_descriptor_t *ddesc;
2666 int endpt;
2667 usbd_status err;
2668
2669 as = &sc->sc_alts[ch->altidx];
2670 endpt = as->edesc->bEndpointAddress;
2671 DPRINTF("endpt=0x%02x, speed=%d, alt=%d\n",
2672 endpt, ch->sample_rate, as->alt);
2673
2674 /* Set alternate interface corresponding to the mode. */
2675 err = usbd_set_interface(as->ifaceh, as->alt);
2676 if (err)
2677 return err;
2678
2679 /*
2680 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2681 */
2682 ddesc = usbd_get_device_descriptor(sc->sc_udev);
2683 if ((UGETW(ddesc->idVendor) != USB_VENDOR_ROLAND) &&
2684 (UGETW(ddesc->idProduct) != USB_PRODUCT_ROLAND_SD90)) {
2685 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2686 if (err) {
2687 DPRINTF("set_speed failed err=%s\n", usbd_errstr(err));
2688 }
2689 }
2690
2691 DPRINTF("create pipe to 0x%02x\n", endpt);
2692 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, &ch->pipe);
2693 if (err)
2694 return err;
2695 if (as->edesc1 != NULL) {
2696 endpt = as->edesc1->bEndpointAddress;
2697 DPRINTF("create sync-pipe to 0x%02x\n", endpt);
2698 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE,
2699 &ch->sync_pipe);
2700 }
2701 return err;
2702 }
2703
2704 Static void
2705 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2706 {
2707 usbd_pipe_handle pipe;
2708 struct as_info *as;
2709
2710 as = &sc->sc_alts[ch->altidx];
2711 as->sc_busy = 0;
2712 AUFMT_VALIDATE(as->aformat);
2713 if (sc->sc_nullalt >= 0) {
2714 DPRINTF("set null alt=%d\n", sc->sc_nullalt);
2715 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2716 }
2717 pipe = atomic_swap_ptr(&ch->pipe, NULL);
2718 if (pipe) {
2719 usbd_abort_pipe(pipe);
2720 usbd_close_pipe(pipe);
2721 }
2722 pipe = atomic_swap_ptr(&ch->sync_pipe, NULL);
2723 if (pipe) {
2724 usbd_abort_pipe(pipe);
2725 usbd_close_pipe(pipe);
2726 }
2727 }
2728
2729 Static usbd_status
2730 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2731 {
2732 usbd_xfer_handle xfer;
2733 void *tbuf;
2734 int i, size;
2735
2736 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2737 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2738 xfer = usbd_alloc_xfer(sc->sc_udev);
2739 if (xfer == 0)
2740 goto bad;
2741 ch->chanbufs[i].xfer = xfer;
2742 tbuf = usbd_alloc_buffer(xfer, size);
2743 if (tbuf == 0) {
2744 i++;
2745 goto bad;
2746 }
2747 ch->chanbufs[i].buffer = tbuf;
2748 ch->chanbufs[i].chan = ch;
2749 }
2750
2751 return USBD_NORMAL_COMPLETION;
2752
2753 bad:
2754 while (--i >= 0)
2755 /* implicit buffer free */
2756 usbd_free_xfer(ch->chanbufs[i].xfer);
2757 return USBD_NOMEM;
2758 }
2759
2760 Static void
2761 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2762 {
2763 int i;
2764
2765 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2766 usbd_free_xfer(ch->chanbufs[i].xfer);
2767 }
2768
2769 /* Called with USB lock held. */
2770 Static void
2771 uaudio_chan_ptransfer(struct chan *ch)
2772 {
2773 struct chanbuf *cb;
2774 int i, n, size, residue, total;
2775
2776 if (ch->sc->sc_dying)
2777 return;
2778
2779 /* Pick the next channel buffer. */
2780 cb = &ch->chanbufs[ch->curchanbuf];
2781 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2782 ch->curchanbuf = 0;
2783
2784 /* Compute the size of each frame in the next transfer. */
2785 residue = ch->residue;
2786 total = 0;
2787 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2788 size = ch->bytes_per_frame;
2789 residue += ch->fraction;
2790 if (residue >= USB_FRAMES_PER_SECOND) {
2791 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2792 size += ch->sample_size;
2793 residue -= USB_FRAMES_PER_SECOND;
2794 }
2795 cb->sizes[i] = size;
2796 total += size;
2797 }
2798 ch->residue = residue;
2799 cb->size = total;
2800
2801 /*
2802 * Transfer data from upper layer buffer to channel buffer, taking
2803 * care of wrapping the upper layer buffer.
2804 */
2805 n = min(total, ch->end - ch->cur);
2806 memcpy(cb->buffer, ch->cur, n);
2807 ch->cur += n;
2808 if (ch->cur >= ch->end)
2809 ch->cur = ch->start;
2810 if (total > n) {
2811 total -= n;
2812 memcpy(cb->buffer + n, ch->cur, total);
2813 ch->cur += total;
2814 }
2815
2816 #ifdef UAUDIO_DEBUG
2817 if (uaudiodebug > 8) {
2818 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2819 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2820 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2821 }
2822 }
2823 #endif
2824
2825 //DPRINTFN(5, "ptransfer xfer=%p\n", cb->xfer);
2826 /* Fill the request */
2827 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2828 UAUDIO_NFRAMES, USBD_NO_COPY,
2829 uaudio_chan_pintr);
2830
2831 (void)usbd_transfer(cb->xfer);
2832 }
2833
2834 Static void
2835 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2836 usbd_status status)
2837 {
2838 struct chanbuf *cb;
2839 struct chan *ch;
2840 uint32_t count;
2841
2842 cb = priv;
2843 ch = cb->chan;
2844 /* Return if we are aborting. */
2845 if (status == USBD_CANCELLED)
2846 return;
2847
2848 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2849 DPRINTFN(5, "count=%d, transferred=%d\n",
2850 count, ch->transferred);
2851 #ifdef DIAGNOSTIC
2852 if (count != cb->size) {
2853 aprint_error("uaudio_chan_pintr: count(%d) != size(%d)\n",
2854 count, cb->size);
2855 }
2856 #endif
2857
2858 ch->transferred += cb->size;
2859 mutex_spin_enter(&ch->sc->sc_intr_lock);
2860 /* Call back to upper layer */
2861 while (ch->transferred >= ch->blksize) {
2862 ch->transferred -= ch->blksize;
2863 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2864 ch->intr(ch->arg);
2865 }
2866 mutex_spin_exit(&ch->sc->sc_intr_lock);
2867
2868 /* start next transfer */
2869 uaudio_chan_ptransfer(ch);
2870 }
2871
2872 /* Called with USB lock held. */
2873 Static void
2874 uaudio_chan_rtransfer(struct chan *ch)
2875 {
2876 struct chanbuf *cb;
2877 int i, size, residue, total;
2878
2879 if (ch->sc->sc_dying)
2880 return;
2881
2882 /* Pick the next channel buffer. */
2883 cb = &ch->chanbufs[ch->curchanbuf];
2884 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2885 ch->curchanbuf = 0;
2886
2887 /* Compute the size of each frame in the next transfer. */
2888 residue = ch->residue;
2889 total = 0;
2890 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2891 size = ch->bytes_per_frame;
2892 cb->sizes[i] = size;
2893 cb->offsets[i] = total;
2894 total += size;
2895 }
2896 ch->residue = residue;
2897 cb->size = total;
2898
2899 #ifdef UAUDIO_DEBUG
2900 if (uaudiodebug > 8) {
2901 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2902 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2903 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2904 }
2905 }
2906 #endif
2907
2908 DPRINTFN(5, "transfer xfer=%p\n", cb->xfer);
2909 /* Fill the request */
2910 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2911 UAUDIO_NFRAMES, USBD_NO_COPY,
2912 uaudio_chan_rintr);
2913
2914 (void)usbd_transfer(cb->xfer);
2915 }
2916
2917 Static void
2918 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2919 usbd_status status)
2920 {
2921 struct chanbuf *cb;
2922 struct chan *ch;
2923 uint32_t count;
2924 int i, n, frsize;
2925
2926 cb = priv;
2927 ch = cb->chan;
2928 /* Return if we are aborting. */
2929 if (status == USBD_CANCELLED)
2930 return;
2931
2932 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2933 DPRINTFN(5, "count=%d, transferred=%d\n", count, ch->transferred);
2934
2935 /* count < cb->size is normal for asynchronous source */
2936 #ifdef DIAGNOSTIC
2937 if (count > cb->size) {
2938 aprint_error("uaudio_chan_rintr: count(%d) > size(%d)\n",
2939 count, cb->size);
2940 }
2941 #endif
2942
2943 /*
2944 * Transfer data from channel buffer to upper layer buffer, taking
2945 * care of wrapping the upper layer buffer.
2946 */
2947 for(i = 0; i < UAUDIO_NFRAMES; i++) {
2948 frsize = cb->sizes[i];
2949 n = min(frsize, ch->end - ch->cur);
2950 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2951 ch->cur += n;
2952 if (ch->cur >= ch->end)
2953 ch->cur = ch->start;
2954 if (frsize > n) {
2955 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2956 frsize - n);
2957 ch->cur += frsize - n;
2958 }
2959 }
2960
2961 /* Call back to upper layer */
2962 ch->transferred += count;
2963 mutex_spin_enter(&ch->sc->sc_intr_lock);
2964 while (ch->transferred >= ch->blksize) {
2965 ch->transferred -= ch->blksize;
2966 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2967 ch->intr(ch->arg);
2968 }
2969 mutex_spin_exit(&ch->sc->sc_intr_lock);
2970
2971 /* start next transfer */
2972 uaudio_chan_rtransfer(ch);
2973 }
2974
2975 Static void
2976 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2977 int maxpktsize)
2978 {
2979 int samples_per_frame, sample_size;
2980
2981 ch->altidx = altidx;
2982 sample_size = param->precision * param->channels / 8;
2983 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2984 ch->sample_size = sample_size;
2985 ch->sample_rate = param->sample_rate;
2986 if (maxpktsize == 0) {
2987 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2988 ch->bytes_per_frame = samples_per_frame * sample_size;
2989 } else {
2990 ch->fraction = 0;
2991 ch->bytes_per_frame = maxpktsize;
2992 }
2993 ch->residue = 0;
2994 }
2995
2996 Static void
2997 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2998 {
2999
3000 ch->start = start;
3001 ch->end = end;
3002 ch->cur = start;
3003 ch->blksize = blksize;
3004 ch->transferred = 0;
3005 ch->curchanbuf = 0;
3006 }
3007
3008 Static int
3009 uaudio_set_params(void *addr, int setmode, int usemode,
3010 struct audio_params *play, struct audio_params *rec,
3011 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
3012 {
3013 struct uaudio_softc *sc;
3014 int paltidx, raltidx;
3015 struct audio_params *p;
3016 stream_filter_list_t *fil;
3017 int mode, i;
3018
3019 sc = addr;
3020 paltidx = -1;
3021 raltidx = -1;
3022 if (sc->sc_dying)
3023 return EIO;
3024
3025 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
3026 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
3027 return EBUSY;
3028
3029 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3030 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
3031 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3032 }
3033 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3034 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
3035 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3036 }
3037
3038 /* Some uaudio devices are unidirectional. Don't try to find a
3039 matching mode for the unsupported direction. */
3040 setmode &= sc->sc_mode;
3041
3042 for (mode = AUMODE_RECORD; mode != -1;
3043 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
3044 if ((setmode & mode) == 0)
3045 continue;
3046
3047 if (mode == AUMODE_PLAY) {
3048 p = play;
3049 fil = pfil;
3050 } else {
3051 p = rec;
3052 fil = rfil;
3053 }
3054 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
3055 mode, p, TRUE, fil);
3056 if (i < 0)
3057 return EINVAL;
3058
3059 if (mode == AUMODE_PLAY)
3060 paltidx = i;
3061 else
3062 raltidx = i;
3063 }
3064
3065 if ((setmode & AUMODE_PLAY)) {
3066 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3067 /* XXX abort transfer if currently happening? */
3068 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3069 }
3070 if ((setmode & AUMODE_RECORD)) {
3071 p = rfil->req_size > 0 ? &pfil->filters[0].param : rec;
3072 /* XXX abort transfer if currently happening? */
3073 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3074 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3075 }
3076
3077 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3078 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3079 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3080 }
3081 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3082 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3083 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3084 }
3085
3086 DPRINTF("use altidx=p%d/r%d, altno=p%d/r%d\n",
3087 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3088 (sc->sc_playchan.altidx >= 0)
3089 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3090 : -1,
3091 (sc->sc_recchan.altidx >= 0)
3092 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3093 : -1);
3094
3095 return 0;
3096 }
3097
3098 Static usbd_status
3099 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3100 {
3101 usb_device_request_t req;
3102 usbd_status err;
3103 uint8_t data[3];
3104
3105 DPRINTFN(5, "endpt=%d speed=%u\n", endpt, speed);
3106 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3107 req.bRequest = SET_CUR;
3108 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3109 USETW(req.wIndex, endpt);
3110 USETW(req.wLength, 3);
3111 data[0] = speed;
3112 data[1] = speed >> 8;
3113 data[2] = speed >> 16;
3114
3115 err = usbd_do_request(sc->sc_udev, &req, data);
3116
3117 return err;
3118 }
3119
3120 #ifdef _MODULE
3121
3122 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL);
3123
3124 static const struct cfiattrdata audiobuscf_iattrdata = {
3125 "audiobus", 0, { { NULL, NULL, 0 }, }
3126 };
3127 static const struct cfiattrdata * const uaudio_attrs[] = {
3128 &audiobuscf_iattrdata, NULL
3129 };
3130 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs);
3131 extern struct cfattach uaudio_ca;
3132 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = {
3133 -1/*USBIFIFCF_PORT_DEFAULT*/,
3134 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/,
3135 -1/*USBIFIFCF_INTERFACE_DEFAULT*/,
3136 -1/*USBIFIFCF_VENDOR_DEFAULT*/,
3137 -1/*USBIFIFCF_PRODUCT_DEFAULT*/,
3138 -1/*USBIFIFCF_RELEASE_DEFAULT*/};
3139 static struct cfparent uhubparent = {
3140 "usbifif", NULL, DVUNIT_ANY
3141 };
3142 static struct cfdata uaudio_cfdata[] = {
3143 {
3144 .cf_name = "uaudio",
3145 .cf_atname = "uaudio",
3146 .cf_unit = 0,
3147 .cf_fstate = FSTATE_STAR,
3148 .cf_loc = uaudioloc,
3149 .cf_flags = 0,
3150 .cf_pspec = &uhubparent,
3151 },
3152 { NULL }
3153 };
3154
3155 static int
3156 uaudio_modcmd(modcmd_t cmd, void *arg)
3157 {
3158 int err;
3159
3160 switch (cmd) {
3161 case MODULE_CMD_INIT:
3162 err = config_cfdriver_attach(&uaudio_cd);
3163 if (err) {
3164 return err;
3165 }
3166 err = config_cfattach_attach("uaudio", &uaudio_ca);
3167 if (err) {
3168 config_cfdriver_detach(&uaudio_cd);
3169 return err;
3170 }
3171 err = config_cfdata_attach(uaudio_cfdata, 1);
3172 if (err) {
3173 config_cfattach_detach("uaudio", &uaudio_ca);
3174 config_cfdriver_detach(&uaudio_cd);
3175 return err;
3176 }
3177 return 0;
3178 case MODULE_CMD_FINI:
3179 err = config_cfdata_detach(uaudio_cfdata);
3180 if (err)
3181 return err;
3182 config_cfattach_detach("uaudio", &uaudio_ca);
3183 config_cfdriver_detach(&uaudio_cd);
3184 return 0;
3185 default:
3186 return ENOTTY;
3187 }
3188 }
3189
3190 #endif
3191