uaudio.c revision 1.169 1 /* $NetBSD: uaudio.c,v 1.169 2021/02/15 13:39:18 isaki 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/docs/devclass_docs/audio10.pdf
35 * http://www.usb.org/developers/docs/devclass_docs/frmts10.pdf
36 * http://www.usb.org/developers/docs/devclass_docs/termt10.pdf
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.169 2021/02/15 13:39:18 isaki Exp $");
41
42 #ifdef _KERNEL_OPT
43 #include "opt_usb.h"
44 #endif
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/malloc.h>
50 #include <sys/device.h>
51 #include <sys/ioctl.h>
52 #include <sys/file.h>
53 #include <sys/reboot.h> /* for bootverbose */
54 #include <sys/select.h>
55 #include <sys/proc.h>
56 #include <sys/vnode.h>
57 #include <sys/poll.h>
58 #include <sys/module.h>
59 #include <sys/bus.h>
60 #include <sys/cpu.h>
61 #include <sys/atomic.h>
62
63 #include <sys/audioio.h>
64 #include <dev/audio/audio_if.h>
65
66 #include <dev/usb/usb.h>
67 #include <dev/usb/usbdi.h>
68 #include <dev/usb/usbdivar.h>
69 #include <dev/usb/usbdi_util.h>
70 #include <dev/usb/usb_quirks.h>
71
72 #include <dev/usb/usbdevs.h>
73
74 #include <dev/usb/uaudioreg.h>
75
76 /* #define UAUDIO_DEBUG */
77 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
78 #ifdef UAUDIO_DEBUG
79 #define DPRINTF(x,y...) do { \
80 if (uaudiodebug) { \
81 struct lwp *l = curlwp; \
82 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \
83 } \
84 } while (0)
85 #define DPRINTFN_CLEAN(n,x...) do { \
86 if (uaudiodebug > (n)) \
87 printf(x); \
88 } while (0)
89 #define DPRINTFN(n,x,y...) do { \
90 if (uaudiodebug > (n)) { \
91 struct lwp *l = curlwp; \
92 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \
93 } \
94 } while (0)
95 int uaudiodebug = 0;
96 #else
97 #define DPRINTF(x,y...)
98 #define DPRINTFN_CLEAN(n,x...)
99 #define DPRINTFN(n,x,y...)
100 #endif
101
102 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
103 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
104
105
106 #define MIX_MAX_CHAN 8
107 struct mixerctl {
108 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
109 uint16_t wIndex;
110 uint8_t nchan;
111 uint8_t type;
112 #define MIX_ON_OFF 1
113 #define MIX_SIGNED_16 2
114 #define MIX_UNSIGNED_16 3
115 #define MIX_SIGNED_8 4
116 #define MIX_SELECTOR 5
117 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
118 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
119 int minval, maxval;
120 u_int delta;
121 u_int mul;
122 uint8_t class;
123 char ctlname[MAX_AUDIO_DEV_LEN];
124 const char *ctlunit;
125 };
126 #define MAKE(h,l) (((h) << 8) | (l))
127
128 struct as_info {
129 uint8_t alt;
130 uint8_t encoding;
131 uint8_t attributes; /* Copy of bmAttributes of
132 * usb_audio_streaming_endpoint_descriptor
133 */
134 struct usbd_interface * ifaceh;
135 const usb_interface_descriptor_t *idesc;
136 const usb_endpoint_descriptor_audio_t *edesc;
137 const usb_endpoint_descriptor_audio_t *edesc1;
138 const struct usb_audio_streaming_type1_descriptor *asf1desc;
139 struct audio_format *aformat;
140 int sc_busy; /* currently used */
141 };
142
143 struct chan {
144 void (*intr)(void *); /* DMA completion intr handler */
145 void *arg; /* arg for intr() */
146 struct usbd_pipe *pipe;
147 struct usbd_pipe *sync_pipe;
148
149 u_int sample_size;
150 u_int sample_rate;
151 u_int bytes_per_frame;
152 u_int fraction; /* fraction/1000 is the extra samples/frame */
153 u_int residue; /* accumulates the fractional samples */
154
155 u_char *start; /* upper layer buffer start */
156 u_char *end; /* upper layer buffer end */
157 u_char *cur; /* current position in upper layer buffer */
158 int blksize; /* chunk size to report up */
159 int transferred; /* transferred bytes not reported up */
160
161 int altidx; /* currently used altidx */
162
163 int curchanbuf;
164 struct chanbuf {
165 struct chan *chan;
166 struct usbd_xfer *xfer;
167 u_char *buffer;
168 uint16_t sizes[UAUDIO_NFRAMES];
169 uint16_t offsets[UAUDIO_NFRAMES];
170 uint16_t size;
171 } chanbufs[UAUDIO_NCHANBUFS];
172
173 struct uaudio_softc *sc; /* our softc */
174 };
175
176 /*
177 * The MI USB audio subsystem is now MP-SAFE and expects sc_intr_lock to be
178 * held on entry the callbacks passed to uaudio_trigger_{in,out}put
179 */
180 struct uaudio_softc {
181 device_t sc_dev; /* base device */
182 kmutex_t sc_lock;
183 kmutex_t sc_intr_lock;
184 struct usbd_device *sc_udev; /* USB device */
185 int sc_ac_iface; /* Audio Control interface */
186 struct usbd_interface * sc_ac_ifaceh;
187 struct chan sc_playchan; /* play channel */
188 struct chan sc_recchan; /* record channel */
189 int sc_nullalt;
190 int sc_audio_rev;
191 struct as_info *sc_alts; /* alternate settings */
192 int sc_nalts; /* # of alternate settings */
193 int sc_altflags;
194 #define HAS_8 0x01
195 #define HAS_16 0x02
196 #define HAS_8U 0x04
197 #define HAS_ALAW 0x08
198 #define HAS_MULAW 0x10
199 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
200 #define HAS_24 0x40
201 int sc_mode; /* play/record capability */
202 struct mixerctl *sc_ctls; /* mixer controls */
203 int sc_nctls; /* # of mixer controls */
204 device_t sc_audiodev;
205 struct audio_format *sc_formats;
206 int sc_nformats;
207 u_int sc_channel_config;
208 char sc_dying;
209 struct audio_device sc_adev;
210 };
211
212 struct terminal_list {
213 int size;
214 uint16_t terminals[1];
215 };
216 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
217 + sizeof(uint16_t) * (N))
218
219 struct io_terminal {
220 union {
221 const uaudio_cs_descriptor_t *desc;
222 const struct usb_audio_input_terminal *it;
223 const struct usb_audio_output_terminal *ot;
224 const struct usb_audio_mixer_unit *mu;
225 const struct usb_audio_selector_unit *su;
226 const struct usb_audio_feature_unit *fu;
227 const struct usb_audio_processing_unit *pu;
228 const struct usb_audio_extension_unit *eu;
229 } d;
230 int inputs_size;
231 struct terminal_list **inputs; /* list of source input terminals */
232 struct terminal_list *output; /* list of destination output terminals */
233 int direct; /* directly connected to an output terminal */
234 };
235
236 #define UAC_OUTPUT 0
237 #define UAC_INPUT 1
238 #define UAC_EQUAL 2
239 #define UAC_RECORD 3
240 #define UAC_NCLASSES 4
241 #ifdef UAUDIO_DEBUG
242 Static const char *uac_names[] = {
243 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
244 };
245 #endif
246
247 #ifdef UAUDIO_DEBUG
248 Static void uaudio_dump_tml
249 (struct terminal_list *tml);
250 #endif
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_abort(struct uaudio_softc *, struct chan *);
317 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
318 Static usbd_status uaudio_chan_alloc_buffers
319 (struct uaudio_softc *, struct chan *);
320 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
321 Static void uaudio_chan_init
322 (struct chan *, int, const struct audio_params *, int);
323 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
324 Static void uaudio_chan_ptransfer(struct chan *);
325 Static void uaudio_chan_pintr
326 (struct usbd_xfer *, void *, usbd_status);
327
328 Static void uaudio_chan_rtransfer(struct chan *);
329 Static void uaudio_chan_rintr
330 (struct usbd_xfer *, void *, usbd_status);
331
332 Static int uaudio_open(void *, int);
333 Static int uaudio_query_format(void *, audio_format_query_t *);
334 Static int uaudio_set_format
335 (void *, int, const audio_params_t *, const audio_params_t *,
336 audio_filter_reg_t *, audio_filter_reg_t *);
337 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
338 Static int uaudio_trigger_output
339 (void *, void *, void *, int, void (*)(void *), void *,
340 const audio_params_t *);
341 Static int uaudio_trigger_input
342 (void *, void *, void *, int, void (*)(void *), void *,
343 const audio_params_t *);
344 Static int uaudio_halt_in_dma(void *);
345 Static int uaudio_halt_out_dma(void *);
346 Static void uaudio_halt_in_dma_unlocked(struct uaudio_softc *);
347 Static void uaudio_halt_out_dma_unlocked(struct uaudio_softc *);
348 Static int uaudio_getdev(void *, struct audio_device *);
349 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
350 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
351 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
352 Static int uaudio_get_props(void *);
353 Static void uaudio_get_locks(void *, kmutex_t **, kmutex_t **);
354
355 Static const struct audio_hw_if uaudio_hw_if = {
356 .open = uaudio_open,
357 .query_format = uaudio_query_format,
358 .set_format = uaudio_set_format,
359 .round_blocksize = uaudio_round_blocksize,
360 .halt_output = uaudio_halt_out_dma,
361 .halt_input = uaudio_halt_in_dma,
362 .getdev = uaudio_getdev,
363 .set_port = uaudio_mixer_set_port,
364 .get_port = uaudio_mixer_get_port,
365 .query_devinfo = uaudio_query_devinfo,
366 .get_props = uaudio_get_props,
367 .trigger_output = uaudio_trigger_output,
368 .trigger_input = uaudio_trigger_input,
369 .get_locks = uaudio_get_locks,
370 };
371
372 static int uaudio_match(device_t, cfdata_t, void *);
373 static void uaudio_attach(device_t, device_t, void *);
374 static int uaudio_detach(device_t, int);
375 static void uaudio_childdet(device_t, device_t);
376 static int uaudio_activate(device_t, enum devact);
377
378
379
380 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc),
381 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL,
382 uaudio_childdet);
383
384 static int
385 uaudio_match(device_t parent, cfdata_t match, void *aux)
386 {
387 struct usbif_attach_arg *uiaa = aux;
388
389 /* Trigger on the control interface. */
390 if (uiaa->uiaa_class != UICLASS_AUDIO ||
391 uiaa->uiaa_subclass != UISUBCLASS_AUDIOCONTROL ||
392 (usbd_get_quirks(uiaa->uiaa_device)->uq_flags & UQ_BAD_AUDIO))
393 return UMATCH_NONE;
394
395 return UMATCH_IFACECLASS_IFACESUBCLASS;
396 }
397
398 static void
399 uaudio_attach(device_t parent, device_t self, void *aux)
400 {
401 struct uaudio_softc *sc = device_private(self);
402 struct usbif_attach_arg *uiaa = aux;
403 usb_interface_descriptor_t *id;
404 usb_config_descriptor_t *cdesc;
405 char *devinfop;
406 usbd_status err;
407 int i, j, found;
408
409 sc->sc_dev = self;
410 sc->sc_udev = uiaa->uiaa_device;
411 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
412 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SOFTUSB);
413
414 strlcpy(sc->sc_adev.name, "USB audio", sizeof(sc->sc_adev.name));
415 strlcpy(sc->sc_adev.version, "", sizeof(sc->sc_adev.version));
416 snprintf(sc->sc_adev.config, sizeof(sc->sc_adev.config), "usb:%08x",
417 sc->sc_udev->ud_cookie.cookie);
418
419 aprint_naive("\n");
420 aprint_normal("\n");
421
422 devinfop = usbd_devinfo_alloc(uiaa->uiaa_device, 0);
423 aprint_normal_dev(self, "%s\n", devinfop);
424 usbd_devinfo_free(devinfop);
425
426 cdesc = usbd_get_config_descriptor(sc->sc_udev);
427 if (cdesc == NULL) {
428 aprint_error_dev(self,
429 "failed to get configuration descriptor\n");
430 return;
431 }
432
433 err = uaudio_identify(sc, cdesc);
434 if (err) {
435 aprint_error_dev(self,
436 "audio descriptors make no sense, error=%d\n", err);
437 return;
438 }
439
440 sc->sc_ac_ifaceh = uiaa->uiaa_iface;
441 /* Pick up the AS interface. */
442 for (i = 0; i < uiaa->uiaa_nifaces; i++) {
443 if (uiaa->uiaa_ifaces[i] == NULL)
444 continue;
445 id = usbd_get_interface_descriptor(uiaa->uiaa_ifaces[i]);
446 if (id == NULL)
447 continue;
448 found = 0;
449 for (j = 0; j < sc->sc_nalts; j++) {
450 if (id->bInterfaceNumber ==
451 sc->sc_alts[j].idesc->bInterfaceNumber) {
452 sc->sc_alts[j].ifaceh = uiaa->uiaa_ifaces[i];
453 found = 1;
454 }
455 }
456 if (found)
457 uiaa->uiaa_ifaces[i] = NULL;
458 }
459
460 for (j = 0; j < sc->sc_nalts; j++) {
461 if (sc->sc_alts[j].ifaceh == NULL) {
462 aprint_error_dev(self,
463 "alt %d missing AS interface(s)\n", j);
464 return;
465 }
466 }
467
468 aprint_normal_dev(self, "audio rev %d.%02x\n",
469 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
470
471 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
472 sc->sc_playchan.altidx = -1;
473 sc->sc_recchan.altidx = -1;
474
475 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
476 sc->sc_altflags |= UA_NOFRAC;
477
478 #ifndef UAUDIO_DEBUG
479 if (bootverbose)
480 #endif
481 aprint_normal_dev(self, "%d mixer controls\n",
482 sc->sc_nctls);
483
484 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
485
486 DPRINTF("%s", "doing audio_attach_mi\n");
487 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev);
488
489 if (!pmf_device_register(self, NULL, NULL))
490 aprint_error_dev(self, "couldn't establish power handler\n");
491
492 return;
493 }
494
495 static int
496 uaudio_activate(device_t self, enum devact act)
497 {
498 struct uaudio_softc *sc = device_private(self);
499
500 switch (act) {
501 case DVACT_DEACTIVATE:
502 sc->sc_dying = 1;
503 return 0;
504 default:
505 return EOPNOTSUPP;
506 }
507 }
508
509 static void
510 uaudio_childdet(device_t self, device_t child)
511 {
512 struct uaudio_softc *sc = device_private(self);
513
514 KASSERT(sc->sc_audiodev == child);
515 sc->sc_audiodev = NULL;
516 }
517
518 static int
519 uaudio_detach(device_t self, int flags)
520 {
521 struct uaudio_softc *sc = device_private(self);
522 int rv = 0;
523
524 sc->sc_dying = 1;
525
526 pmf_device_deregister(self);
527
528 /* Wait for outstanding requests to complete. */
529 uaudio_halt_out_dma_unlocked(sc);
530 uaudio_halt_in_dma_unlocked(sc);
531
532 if (sc->sc_audiodev != NULL)
533 rv = config_detach(sc->sc_audiodev, flags);
534
535 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
536
537 if (sc->sc_formats != NULL)
538 kmem_free(sc->sc_formats,
539 sizeof(struct audio_format) * sc->sc_nformats);
540
541 mutex_destroy(&sc->sc_lock);
542 mutex_destroy(&sc->sc_intr_lock);
543
544 return rv;
545 }
546
547 Static int
548 uaudio_query_format(void *addr, audio_format_query_t *afp)
549 {
550 struct uaudio_softc *sc;
551
552 sc = addr;
553 return audio_query_format(sc->sc_formats, sc->sc_nformats, afp);
554 }
555
556 Static const usb_interface_descriptor_t *
557 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
558 {
559 const usb_interface_descriptor_t *d;
560
561 while (*offsp < size) {
562 d = (const void *)(tbuf + *offsp);
563 *offsp += d->bLength;
564 if (d->bDescriptorType == UDESC_INTERFACE &&
565 d->bInterfaceClass == UICLASS_AUDIO &&
566 d->bInterfaceSubClass == subtype)
567 return d;
568 }
569 return NULL;
570 }
571
572 Static void
573 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
574 {
575 int res;
576 size_t len;
577 struct mixerctl *nmc;
578
579 if (mc->class < UAC_NCLASSES) {
580 DPRINTF("adding %s.%s\n", uac_names[mc->class], mc->ctlname);
581 } else {
582 DPRINTF("adding %s\n", mc->ctlname);
583 }
584 len = sizeof(*mc) * (sc->sc_nctls + 1);
585 nmc = kmem_alloc(len, KM_SLEEP);
586 /* Copy old data, if there was any */
587 if (sc->sc_nctls != 0) {
588 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
589 kmem_free(sc->sc_ctls, sizeof(*mc) * sc->sc_nctls);
590 }
591 sc->sc_ctls = nmc;
592
593 mc->delta = 0;
594 if (mc->type == MIX_ON_OFF) {
595 mc->minval = 0;
596 mc->maxval = 1;
597 } else if (mc->type == MIX_SELECTOR) {
598 ;
599 } else {
600 /* Determine min and max values. */
601 mc->minval = uaudio_signext(mc->type,
602 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
603 mc->wValue[0], mc->wIndex,
604 MIX_SIZE(mc->type)));
605 mc->maxval = 1 + uaudio_signext(mc->type,
606 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
607 mc->wValue[0], mc->wIndex,
608 MIX_SIZE(mc->type)));
609 mc->mul = mc->maxval - mc->minval;
610 if (mc->mul == 0)
611 mc->mul = 1;
612 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
613 mc->wValue[0], mc->wIndex,
614 MIX_SIZE(mc->type));
615 if (res > 0)
616 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
617 }
618
619 sc->sc_ctls[sc->sc_nctls++] = *mc;
620
621 #ifdef UAUDIO_DEBUG
622 if (uaudiodebug > 2) {
623 int i;
624
625 DPRINTFN_CLEAN(2, "wValue=%04x", mc->wValue[0]);
626 for (i = 1; i < mc->nchan; i++)
627 DPRINTFN_CLEAN(2, ",%04x", mc->wValue[i]);
628 DPRINTFN_CLEAN(2, " wIndex=%04x type=%d name='%s' unit='%s' "
629 "min=%d max=%d\n",
630 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
631 mc->minval, mc->maxval);
632 }
633 #endif
634 }
635
636 Static char *
637 uaudio_id_name(struct uaudio_softc *sc,
638 const struct io_terminal *iot, int id)
639 {
640 static char tbuf[32];
641
642 snprintf(tbuf, sizeof(tbuf), "i%d", id);
643 return tbuf;
644 }
645
646 #ifdef UAUDIO_DEBUG
647 Static void
648 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
649 {
650 static const char *channel_names[16] = {
651 "LEFT", "RIGHT", "CENTER", "LFE",
652 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
653 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
654 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
655 };
656 int cc, i, first;
657
658 cc = UGETW(cl->wChannelConfig);
659 printf("cluster: bNrChannels=%u wChannelConfig=%#.4x",
660 cl->bNrChannels, cc);
661 first = TRUE;
662 for (i = 0; cc != 0; i++) {
663 if (cc & 1) {
664 printf("%c%s", first ? '<' : ',', channel_names[i]);
665 first = FALSE;
666 }
667 cc = cc >> 1;
668 }
669 printf("> iChannelNames=%u", cl->iChannelNames);
670 }
671 #endif
672
673 Static struct usb_audio_cluster
674 uaudio_get_cluster(int id, const struct io_terminal *iot)
675 {
676 struct usb_audio_cluster r;
677 const uaudio_cs_descriptor_t *dp;
678 int i;
679
680 for (i = 0; i < 25; i++) { /* avoid infinite loops */
681 dp = iot[id].d.desc;
682 if (dp == 0)
683 goto bad;
684 switch (dp->bDescriptorSubtype) {
685 case UDESCSUB_AC_INPUT:
686 r.bNrChannels = iot[id].d.it->bNrChannels;
687 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
688 r.iChannelNames = iot[id].d.it->iChannelNames;
689 return r;
690 case UDESCSUB_AC_OUTPUT:
691 id = iot[id].d.ot->bSourceId;
692 break;
693 case UDESCSUB_AC_MIXER:
694 r = *(const struct usb_audio_cluster *)
695 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
696 return r;
697 case UDESCSUB_AC_SELECTOR:
698 /* XXX This is not really right */
699 id = iot[id].d.su->baSourceId[0];
700 break;
701 case UDESCSUB_AC_FEATURE:
702 id = iot[id].d.fu->bSourceId;
703 break;
704 case UDESCSUB_AC_PROCESSING:
705 r = *(const struct usb_audio_cluster *)
706 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
707 return r;
708 case UDESCSUB_AC_EXTENSION:
709 r = *(const struct usb_audio_cluster *)
710 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
711 return r;
712 default:
713 goto bad;
714 }
715 }
716 bad:
717 aprint_error("uaudio_get_cluster: bad data\n");
718 memset(&r, 0, sizeof(r));
719 return r;
720
721 }
722
723 Static void
724 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
725 {
726 const struct usb_audio_input_terminal *d;
727
728 d = iot[id].d.it;
729 #ifdef UAUDIO_DEBUG
730 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
731 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
732 "iChannelNames=%d iTerminal=%d\n",
733 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
734 d->bNrChannels, UGETW(d->wChannelConfig),
735 d->iChannelNames, d->iTerminal);
736 #endif
737 /* If USB input terminal, record wChannelConfig */
738 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
739 return;
740 sc->sc_channel_config = UGETW(d->wChannelConfig);
741 }
742
743 Static void
744 uaudio_add_output(struct uaudio_softc *sc,
745 const struct io_terminal *iot, int id)
746 {
747 #ifdef UAUDIO_DEBUG
748 const struct usb_audio_output_terminal *d;
749
750 d = iot[id].d.ot;
751 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
752 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
753 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
754 d->bSourceId, d->iTerminal);
755 #endif
756 }
757
758 Static void
759 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
760 {
761 const struct usb_audio_mixer_unit *d;
762 const struct usb_audio_mixer_unit_1 *d1;
763 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
764 const uByte *bm;
765 struct mixerctl mix;
766
767 d = iot[id].d.mu;
768 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
769 d->bUnitId, d->bNrInPins);
770
771 /* Compute the number of input channels */
772 ichs = 0;
773 for (i = 0; i < d->bNrInPins; i++)
774 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
775
776 /* and the number of output channels */
777 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
778 ochs = d1->bNrChannels;
779 DPRINTFN(2,"ichs=%d ochs=%d\n", ichs, ochs);
780
781 bm = d1->bmControls;
782 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
783 uaudio_determine_class(&iot[id], &mix);
784 mix.type = MIX_SIGNED_16;
785 mix.ctlunit = AudioNvolume;
786 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
787 for (p = i = 0; i < d->bNrInPins; i++) {
788 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
789 mc = 0;
790 for (c = 0; c < chs; c++) {
791 mo = 0;
792 for (o = 0; o < ochs; o++) {
793 bno = (p + c) * ochs + o;
794 if (_BIT(bno))
795 mo++;
796 }
797 if (mo == 1)
798 mc++;
799 }
800 if (mc == chs && chs <= MIX_MAX_CHAN) {
801 k = 0;
802 for (c = 0; c < chs; c++)
803 for (o = 0; o < ochs; o++) {
804 bno = (p + c) * ochs + o;
805 if (_BIT(bno))
806 mix.wValue[k++] =
807 MAKE(p+c+1, o+1);
808 }
809 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
810 d->bUnitId, uaudio_id_name(sc, iot,
811 d->baSourceId[i]));
812 mix.nchan = chs;
813 uaudio_mixer_add_ctl(sc, &mix);
814 } else {
815 /* XXX */
816 }
817 #undef _BIT
818 p += chs;
819 }
820
821 }
822
823 Static void
824 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
825 {
826 const struct usb_audio_selector_unit *d;
827 struct mixerctl mix;
828 int i, wp;
829
830 d = iot[id].d.su;
831 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
832 d->bUnitId, d->bNrInPins);
833 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
834 mix.wValue[0] = MAKE(0, 0);
835 uaudio_determine_class(&iot[id], &mix);
836 mix.nchan = 1;
837 mix.type = MIX_SELECTOR;
838 mix.ctlunit = "";
839 mix.minval = 1;
840 mix.maxval = d->bNrInPins;
841 mix.mul = mix.maxval - mix.minval;
842 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
843 for (i = 1; i <= d->bNrInPins; i++) {
844 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
845 "i%d", d->baSourceId[i - 1]);
846 if (wp > MAX_AUDIO_DEV_LEN - 1)
847 break;
848 }
849 uaudio_mixer_add_ctl(sc, &mix);
850 }
851
852 #ifdef UAUDIO_DEBUG
853 Static const char *
854 uaudio_get_terminal_name(int terminal_type)
855 {
856 static char tbuf[100];
857
858 switch (terminal_type) {
859 /* USB terminal types */
860 case UAT_UNDEFINED: return "UAT_UNDEFINED";
861 case UAT_STREAM: return "UAT_STREAM";
862 case UAT_VENDOR: return "UAT_VENDOR";
863 /* input terminal types */
864 case UATI_UNDEFINED: return "UATI_UNDEFINED";
865 case UATI_MICROPHONE: return "UATI_MICROPHONE";
866 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
867 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
868 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
869 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
870 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
871 /* output terminal types */
872 case UATO_UNDEFINED: return "UATO_UNDEFINED";
873 case UATO_SPEAKER: return "UATO_SPEAKER";
874 case UATO_HEADPHONES: return "UATO_HEADPHONES";
875 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
876 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
877 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
878 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
879 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
880 /* bidir terminal types */
881 case UATB_UNDEFINED: return "UATB_UNDEFINED";
882 case UATB_HANDSET: return "UATB_HANDSET";
883 case UATB_HEADSET: return "UATB_HEADSET";
884 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
885 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
886 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
887 /* telephony terminal types */
888 case UATT_UNDEFINED: return "UATT_UNDEFINED";
889 case UATT_PHONELINE: return "UATT_PHONELINE";
890 case UATT_TELEPHONE: return "UATT_TELEPHONE";
891 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
892 /* external terminal types */
893 case UATE_UNDEFINED: return "UATE_UNDEFINED";
894 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
895 case UATE_LINECONN: return "UATE_LINECONN";
896 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
897 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
898 case UATE_SPDIF: return "UATE_SPDIF";
899 case UATE_1394DA: return "UATE_1394DA";
900 case UATE_1394DV: return "UATE_1394DV";
901 /* embedded function terminal types */
902 case UATF_UNDEFINED: return "UATF_UNDEFINED";
903 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
904 case UATF_EQUNOISE: return "UATF_EQUNOISE";
905 case UATF_CDPLAYER: return "UATF_CDPLAYER";
906 case UATF_DAT: return "UATF_DAT";
907 case UATF_DCC: return "UATF_DCC";
908 case UATF_MINIDISK: return "UATF_MINIDISK";
909 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
910 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
911 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
912 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
913 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
914 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
915 case UATF_SATELLITE: return "UATF_SATELLITE";
916 case UATF_CABLETUNER: return "UATF_CABLETUNER";
917 case UATF_DSS: return "UATF_DSS";
918 case UATF_RADIORECV: return "UATF_RADIORECV";
919 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
920 case UATF_MULTITRACK: return "UATF_MULTITRACK";
921 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
922 default:
923 snprintf(tbuf, sizeof(tbuf), "unknown type (%#.4x)", terminal_type);
924 return tbuf;
925 }
926 }
927 #endif
928
929 Static int
930 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
931 {
932 int terminal_type;
933
934 if (iot == NULL || iot->output == NULL) {
935 mix->class = UAC_OUTPUT;
936 return 0;
937 }
938 terminal_type = 0;
939 if (iot->output->size == 1)
940 terminal_type = iot->output->terminals[0];
941 /*
942 * If the only output terminal is USB,
943 * the class is UAC_RECORD.
944 */
945 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
946 mix->class = UAC_RECORD;
947 if (iot->inputs_size == 1
948 && iot->inputs[0] != NULL
949 && iot->inputs[0]->size == 1)
950 return iot->inputs[0]->terminals[0];
951 else
952 return 0;
953 }
954 /*
955 * If the ultimate destination of the unit is just one output
956 * terminal and the unit is connected to the output terminal
957 * directly, the class is UAC_OUTPUT.
958 */
959 if (terminal_type != 0 && iot->direct) {
960 mix->class = UAC_OUTPUT;
961 return terminal_type;
962 }
963 /*
964 * If the unit is connected to just one input terminal,
965 * the class is UAC_INPUT.
966 */
967 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
968 && iot->inputs[0]->size == 1) {
969 mix->class = UAC_INPUT;
970 return iot->inputs[0]->terminals[0];
971 }
972 /*
973 * Otherwise, the class is UAC_OUTPUT.
974 */
975 mix->class = UAC_OUTPUT;
976 return terminal_type;
977 }
978
979 Static const char *
980 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
981 {
982 int terminal_type;
983
984 terminal_type = uaudio_determine_class(iot, mix);
985 if (mix->class == UAC_RECORD && terminal_type == 0)
986 return AudioNmixerout;
987 DPRINTF("terminal_type=%s\n", uaudio_get_terminal_name(terminal_type));
988 switch (terminal_type) {
989 case UAT_STREAM:
990 return AudioNdac;
991
992 case UATI_MICROPHONE:
993 case UATI_DESKMICROPHONE:
994 case UATI_PERSONALMICROPHONE:
995 case UATI_OMNIMICROPHONE:
996 case UATI_MICROPHONEARRAY:
997 case UATI_PROCMICROPHONEARR:
998 return AudioNmicrophone;
999
1000 case UATO_SPEAKER:
1001 case UATO_DESKTOPSPEAKER:
1002 case UATO_ROOMSPEAKER:
1003 case UATO_COMMSPEAKER:
1004 return AudioNspeaker;
1005
1006 case UATO_HEADPHONES:
1007 return AudioNheadphone;
1008
1009 case UATO_SUBWOOFER:
1010 return AudioNlfe;
1011
1012 /* telephony terminal types */
1013 case UATT_UNDEFINED:
1014 case UATT_PHONELINE:
1015 case UATT_TELEPHONE:
1016 case UATT_DOWNLINEPHONE:
1017 return "phone";
1018
1019 case UATE_ANALOGCONN:
1020 case UATE_LINECONN:
1021 case UATE_LEGACYCONN:
1022 return AudioNline;
1023
1024 case UATE_DIGITALAUIFC:
1025 case UATE_SPDIF:
1026 case UATE_1394DA:
1027 case UATE_1394DV:
1028 return AudioNaux;
1029
1030 case UATF_CDPLAYER:
1031 return AudioNcd;
1032
1033 case UATF_SYNTHESIZER:
1034 return AudioNfmsynth;
1035
1036 case UATF_VIDEODISCAUDIO:
1037 case UATF_DVDAUDIO:
1038 case UATF_TVTUNERAUDIO:
1039 return AudioNvideo;
1040
1041 case UAT_UNDEFINED:
1042 case UAT_VENDOR:
1043 case UATI_UNDEFINED:
1044 /* output terminal types */
1045 case UATO_UNDEFINED:
1046 case UATO_DISPLAYAUDIO:
1047 /* bidir terminal types */
1048 case UATB_UNDEFINED:
1049 case UATB_HANDSET:
1050 case UATB_HEADSET:
1051 case UATB_SPEAKERPHONE:
1052 case UATB_SPEAKERPHONEESUP:
1053 case UATB_SPEAKERPHONEECANC:
1054 /* external terminal types */
1055 case UATE_UNDEFINED:
1056 /* embedded function terminal types */
1057 case UATF_UNDEFINED:
1058 case UATF_CALIBNOISE:
1059 case UATF_EQUNOISE:
1060 case UATF_DAT:
1061 case UATF_DCC:
1062 case UATF_MINIDISK:
1063 case UATF_ANALOGTAPE:
1064 case UATF_PHONOGRAPH:
1065 case UATF_VCRAUDIO:
1066 case UATF_SATELLITE:
1067 case UATF_CABLETUNER:
1068 case UATF_DSS:
1069 case UATF_RADIORECV:
1070 case UATF_RADIOXMIT:
1071 case UATF_MULTITRACK:
1072 case 0xffff:
1073 default:
1074 DPRINTF("'master' for %#.4x\n", terminal_type);
1075 return AudioNmaster;
1076 }
1077 return AudioNmaster;
1078 }
1079
1080 Static void
1081 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1082 {
1083 const struct usb_audio_feature_unit *d;
1084 const uByte *ctls;
1085 int ctlsize;
1086 int nchan;
1087 u_int fumask, mmask, cmask;
1088 struct mixerctl mix;
1089 int chan, ctl, i, unit;
1090 const char *mixername;
1091
1092 #define GET(i) (ctls[(i)*ctlsize] | \
1093 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1094 d = iot[id].d.fu;
1095 ctls = d->bmaControls;
1096 ctlsize = d->bControlSize;
1097 if (ctlsize == 0) {
1098 DPRINTF("ignoring feature %d with controlSize of zero\n", id);
1099 return;
1100 }
1101 nchan = (d->bLength - 7) / ctlsize;
1102 mmask = GET(0);
1103 /* Figure out what we can control */
1104 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1105 DPRINTFN(9,"chan=%d mask=%x\n",
1106 chan, GET(chan));
1107 cmask |= GET(chan);
1108 }
1109
1110 DPRINTFN(1,"bUnitId=%d, "
1111 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1112 d->bUnitId, nchan, mmask, cmask);
1113
1114 if (nchan > MIX_MAX_CHAN)
1115 nchan = MIX_MAX_CHAN;
1116 unit = d->bUnitId;
1117 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1118 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1119 fumask = FU_MASK(ctl);
1120 DPRINTFN(4,"ctl=%d fumask=0x%04x\n",
1121 ctl, fumask);
1122 if (mmask & fumask) {
1123 mix.nchan = 1;
1124 mix.wValue[0] = MAKE(ctl, 0);
1125 } else if (cmask & fumask) {
1126 mix.nchan = nchan - 1;
1127 for (i = 1; i < nchan; i++) {
1128 if (GET(i) & fumask)
1129 mix.wValue[i-1] = MAKE(ctl, i);
1130 else
1131 mix.wValue[i-1] = -1;
1132 }
1133 } else {
1134 continue;
1135 }
1136 #undef GET
1137 mixername = uaudio_feature_name(&iot[id], &mix);
1138 switch (ctl) {
1139 case MUTE_CONTROL:
1140 mix.type = MIX_ON_OFF;
1141 mix.ctlunit = "";
1142 snprintf(mix.ctlname, sizeof(mix.ctlname),
1143 "%s.%s", mixername, AudioNmute);
1144 break;
1145 case VOLUME_CONTROL:
1146 mix.type = MIX_SIGNED_16;
1147 mix.ctlunit = AudioNvolume;
1148 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1149 break;
1150 case BASS_CONTROL:
1151 mix.type = MIX_SIGNED_8;
1152 mix.ctlunit = AudioNbass;
1153 snprintf(mix.ctlname, sizeof(mix.ctlname),
1154 "%s.%s", mixername, AudioNbass);
1155 break;
1156 case MID_CONTROL:
1157 mix.type = MIX_SIGNED_8;
1158 mix.ctlunit = AudioNmid;
1159 snprintf(mix.ctlname, sizeof(mix.ctlname),
1160 "%s.%s", mixername, AudioNmid);
1161 break;
1162 case TREBLE_CONTROL:
1163 mix.type = MIX_SIGNED_8;
1164 mix.ctlunit = AudioNtreble;
1165 snprintf(mix.ctlname, sizeof(mix.ctlname),
1166 "%s.%s", mixername, AudioNtreble);
1167 break;
1168 case GRAPHIC_EQUALIZER_CONTROL:
1169 continue; /* XXX don't add anything */
1170 break;
1171 case AGC_CONTROL:
1172 mix.type = MIX_ON_OFF;
1173 mix.ctlunit = "";
1174 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1175 mixername, AudioNagc);
1176 break;
1177 case DELAY_CONTROL:
1178 mix.type = MIX_UNSIGNED_16;
1179 mix.ctlunit = "4 ms";
1180 snprintf(mix.ctlname, sizeof(mix.ctlname),
1181 "%s.%s", mixername, AudioNdelay);
1182 break;
1183 case BASS_BOOST_CONTROL:
1184 mix.type = MIX_ON_OFF;
1185 mix.ctlunit = "";
1186 snprintf(mix.ctlname, sizeof(mix.ctlname),
1187 "%s.%s", mixername, AudioNbassboost);
1188 break;
1189 case LOUDNESS_CONTROL:
1190 mix.type = MIX_ON_OFF;
1191 mix.ctlunit = "";
1192 snprintf(mix.ctlname, sizeof(mix.ctlname),
1193 "%s.%s", mixername, AudioNloudness);
1194 break;
1195 }
1196 uaudio_mixer_add_ctl(sc, &mix);
1197 }
1198 }
1199
1200 Static void
1201 uaudio_add_processing_updown(struct uaudio_softc *sc,
1202 const struct io_terminal *iot, int id)
1203 {
1204 const struct usb_audio_processing_unit *d;
1205 const struct usb_audio_processing_unit_1 *d1;
1206 const struct usb_audio_processing_unit_updown *ud;
1207 struct mixerctl mix;
1208 int i;
1209
1210 d = iot[id].d.pu;
1211 d1 = (const struct usb_audio_processing_unit_1 *)
1212 &d->baSourceId[d->bNrInPins];
1213 ud = (const struct usb_audio_processing_unit_updown *)
1214 &d1->bmControls[d1->bControlSize];
1215 DPRINTFN(2,"bUnitId=%d bNrModes=%d\n",
1216 d->bUnitId, ud->bNrModes);
1217
1218 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1219 DPRINTF("%s", "no mode select\n");
1220 return;
1221 }
1222
1223 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1224 mix.nchan = 1;
1225 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1226 uaudio_determine_class(&iot[id], &mix);
1227 mix.type = MIX_ON_OFF; /* XXX */
1228 mix.ctlunit = "";
1229 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1230
1231 for (i = 0; i < ud->bNrModes; i++) {
1232 DPRINTFN(2,"i=%d bm=%#x\n",
1233 i, UGETW(ud->waModes[i]));
1234 /* XXX */
1235 }
1236 uaudio_mixer_add_ctl(sc, &mix);
1237 }
1238
1239 Static void
1240 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1241 {
1242 const struct usb_audio_processing_unit *d;
1243 const struct usb_audio_processing_unit_1 *d1;
1244 int ptype;
1245 struct mixerctl mix;
1246
1247 d = iot[id].d.pu;
1248 d1 = (const struct usb_audio_processing_unit_1 *)
1249 &d->baSourceId[d->bNrInPins];
1250 ptype = UGETW(d->wProcessType);
1251 DPRINTFN(2,"wProcessType=%d bUnitId=%d "
1252 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins);
1253
1254 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1255 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1256 mix.nchan = 1;
1257 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1258 uaudio_determine_class(&iot[id], &mix);
1259 mix.type = MIX_ON_OFF;
1260 mix.ctlunit = "";
1261 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1262 d->bUnitId, ptype);
1263 uaudio_mixer_add_ctl(sc, &mix);
1264 }
1265
1266 switch(ptype) {
1267 case UPDOWNMIX_PROCESS:
1268 uaudio_add_processing_updown(sc, iot, id);
1269 break;
1270 case DOLBY_PROLOGIC_PROCESS:
1271 case P3D_STEREO_EXTENDER_PROCESS:
1272 case REVERBATION_PROCESS:
1273 case CHORUS_PROCESS:
1274 case DYN_RANGE_COMP_PROCESS:
1275 default:
1276 #ifdef UAUDIO_DEBUG
1277 aprint_debug(
1278 "uaudio_add_processing: unit %d, type=%d not impl.\n",
1279 d->bUnitId, ptype);
1280 #endif
1281 break;
1282 }
1283 }
1284
1285 Static void
1286 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1287 {
1288 const struct usb_audio_extension_unit *d;
1289 const struct usb_audio_extension_unit_1 *d1;
1290 struct mixerctl mix;
1291
1292 d = iot[id].d.eu;
1293 d1 = (const struct usb_audio_extension_unit_1 *)
1294 &d->baSourceId[d->bNrInPins];
1295 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
1296 d->bUnitId, d->bNrInPins);
1297
1298 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1299 return;
1300
1301 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1302 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1303 mix.nchan = 1;
1304 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1305 uaudio_determine_class(&iot[id], &mix);
1306 mix.type = MIX_ON_OFF;
1307 mix.ctlunit = "";
1308 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1309 d->bUnitId);
1310 uaudio_mixer_add_ctl(sc, &mix);
1311 }
1312 }
1313
1314 Static struct terminal_list*
1315 uaudio_merge_terminal_list(const struct io_terminal *iot)
1316 {
1317 struct terminal_list *tml;
1318 uint16_t *ptm;
1319 int i, len;
1320
1321 len = 0;
1322 if (iot->inputs == NULL)
1323 return NULL;
1324 for (i = 0; i < iot->inputs_size; i++) {
1325 if (iot->inputs[i] != NULL)
1326 len += iot->inputs[i]->size;
1327 }
1328 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1329 if (tml == NULL) {
1330 aprint_error("uaudio_merge_terminal_list: no memory\n");
1331 return NULL;
1332 }
1333 tml->size = 0;
1334 ptm = tml->terminals;
1335 for (i = 0; i < iot->inputs_size; i++) {
1336 if (iot->inputs[i] == NULL)
1337 continue;
1338 if (iot->inputs[i]->size > len)
1339 break;
1340 memcpy(ptm, iot->inputs[i]->terminals,
1341 iot->inputs[i]->size * sizeof(uint16_t));
1342 tml->size += iot->inputs[i]->size;
1343 ptm += iot->inputs[i]->size;
1344 len -= iot->inputs[i]->size;
1345 }
1346 return tml;
1347 }
1348
1349 Static struct terminal_list *
1350 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1351 {
1352 struct terminal_list *tml;
1353 struct io_terminal *it;
1354 int src_id, i;
1355
1356 it = &iot[id];
1357 if (it->output != NULL) {
1358 /* already has outtype? */
1359 for (i = 0; i < it->output->size; i++)
1360 if (it->output->terminals[i] == outtype)
1361 return uaudio_merge_terminal_list(it);
1362 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1363 M_TEMP, M_NOWAIT);
1364 if (tml == NULL) {
1365 aprint_error("uaudio_io_terminaltype: no memory\n");
1366 return uaudio_merge_terminal_list(it);
1367 }
1368 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1369 tml->terminals[it->output->size] = outtype;
1370 tml->size++;
1371 free(it->output, M_TEMP);
1372 it->output = tml;
1373 if (it->inputs != NULL) {
1374 for (i = 0; i < it->inputs_size; i++)
1375 if (it->inputs[i] != NULL)
1376 free(it->inputs[i], M_TEMP);
1377 free(it->inputs, M_TEMP);
1378 }
1379 it->inputs_size = 0;
1380 it->inputs = NULL;
1381 } else { /* end `iot[id] != NULL' */
1382 it->inputs_size = 0;
1383 it->inputs = NULL;
1384 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1385 if (it->output == NULL) {
1386 aprint_error("uaudio_io_terminaltype: no memory\n");
1387 return NULL;
1388 }
1389 it->output->terminals[0] = outtype;
1390 it->output->size = 1;
1391 it->direct = FALSE;
1392 }
1393
1394 switch (it->d.desc->bDescriptorSubtype) {
1395 case UDESCSUB_AC_INPUT:
1396 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1397 if (it->inputs == NULL) {
1398 aprint_error("uaudio_io_terminaltype: no memory\n");
1399 return NULL;
1400 }
1401 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1402 if (tml == NULL) {
1403 aprint_error("uaudio_io_terminaltype: no memory\n");
1404 free(it->inputs, M_TEMP);
1405 it->inputs = NULL;
1406 return NULL;
1407 }
1408 it->inputs[0] = tml;
1409 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1410 tml->size = 1;
1411 it->inputs_size = 1;
1412 return uaudio_merge_terminal_list(it);
1413 case UDESCSUB_AC_FEATURE:
1414 src_id = it->d.fu->bSourceId;
1415 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1416 if (it->inputs == NULL) {
1417 aprint_error("uaudio_io_terminaltype: no memory\n");
1418 return uaudio_io_terminaltype(outtype, iot, src_id);
1419 }
1420 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1421 it->inputs_size = 1;
1422 return uaudio_merge_terminal_list(it);
1423 case UDESCSUB_AC_OUTPUT:
1424 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1425 if (it->inputs == NULL) {
1426 aprint_error("uaudio_io_terminaltype: no memory\n");
1427 return NULL;
1428 }
1429 src_id = it->d.ot->bSourceId;
1430 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1431 it->inputs_size = 1;
1432 iot[src_id].direct = TRUE;
1433 return NULL;
1434 case UDESCSUB_AC_MIXER:
1435 it->inputs_size = 0;
1436 it->inputs = malloc(sizeof(struct terminal_list *)
1437 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1438 if (it->inputs == NULL) {
1439 aprint_error("uaudio_io_terminaltype: no memory\n");
1440 return NULL;
1441 }
1442 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1443 src_id = it->d.mu->baSourceId[i];
1444 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1445 src_id);
1446 it->inputs_size++;
1447 }
1448 return uaudio_merge_terminal_list(it);
1449 case UDESCSUB_AC_SELECTOR:
1450 it->inputs_size = 0;
1451 it->inputs = malloc(sizeof(struct terminal_list *)
1452 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1453 if (it->inputs == NULL) {
1454 aprint_error("uaudio_io_terminaltype: no memory\n");
1455 return NULL;
1456 }
1457 for (i = 0; i < it->d.su->bNrInPins; i++) {
1458 src_id = it->d.su->baSourceId[i];
1459 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1460 src_id);
1461 it->inputs_size++;
1462 }
1463 return uaudio_merge_terminal_list(it);
1464 case UDESCSUB_AC_PROCESSING:
1465 it->inputs_size = 0;
1466 it->inputs = malloc(sizeof(struct terminal_list *)
1467 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1468 if (it->inputs == NULL) {
1469 aprint_error("uaudio_io_terminaltype: no memory\n");
1470 return NULL;
1471 }
1472 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1473 src_id = it->d.pu->baSourceId[i];
1474 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1475 src_id);
1476 it->inputs_size++;
1477 }
1478 return uaudio_merge_terminal_list(it);
1479 case UDESCSUB_AC_EXTENSION:
1480 it->inputs_size = 0;
1481 it->inputs = malloc(sizeof(struct terminal_list *)
1482 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1483 if (it->inputs == NULL) {
1484 aprint_error("uaudio_io_terminaltype: no memory\n");
1485 return NULL;
1486 }
1487 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1488 src_id = it->d.eu->baSourceId[i];
1489 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1490 src_id);
1491 it->inputs_size++;
1492 }
1493 return uaudio_merge_terminal_list(it);
1494 case UDESCSUB_AC_HEADER:
1495 default:
1496 return NULL;
1497 }
1498 }
1499
1500 Static usbd_status
1501 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1502 {
1503 usbd_status err;
1504
1505 err = uaudio_identify_ac(sc, cdesc);
1506 if (err)
1507 return err;
1508 return uaudio_identify_as(sc, cdesc);
1509 }
1510
1511 Static void
1512 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1513 {
1514 size_t len;
1515 struct as_info *nai;
1516
1517 len = sizeof(*ai) * (sc->sc_nalts + 1);
1518 nai = kmem_alloc(len, KM_SLEEP);
1519 /* Copy old data, if there was any */
1520 if (sc->sc_nalts != 0) {
1521 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1522 kmem_free(sc->sc_alts, sizeof(*ai) * sc->sc_nalts);
1523 }
1524 sc->sc_alts = nai;
1525 DPRINTFN(2,"adding alt=%d, enc=%d\n",
1526 ai->alt, ai->encoding);
1527 sc->sc_alts[sc->sc_nalts++] = *ai;
1528 }
1529
1530 Static usbd_status
1531 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1532 int size, const usb_interface_descriptor_t *id)
1533 #define offs (*offsp)
1534 {
1535 const struct usb_audio_streaming_interface_descriptor *asid;
1536 const struct usb_audio_streaming_type1_descriptor *asf1d;
1537 const usb_endpoint_descriptor_audio_t *ed;
1538 const usb_endpoint_descriptor_audio_t *epdesc1;
1539 const struct usb_audio_streaming_endpoint_descriptor *sed;
1540 int format, chan __unused, prec, enc;
1541 int dir, type, sync;
1542 struct as_info ai;
1543 const char *format_str __unused;
1544
1545 asid = (const void *)(tbuf + offs);
1546 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1547 asid->bDescriptorSubtype != AS_GENERAL)
1548 return USBD_INVAL;
1549 DPRINTF("asid: bTerminalLink=%d wFormatTag=%d\n",
1550 asid->bTerminalLink, UGETW(asid->wFormatTag));
1551 offs += asid->bLength;
1552 if (offs > size)
1553 return USBD_INVAL;
1554
1555 asf1d = (const void *)(tbuf + offs);
1556 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1557 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1558 return USBD_INVAL;
1559 offs += asf1d->bLength;
1560 if (offs > size)
1561 return USBD_INVAL;
1562
1563 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1564 aprint_normal_dev(sc->sc_dev,
1565 "ignored setting with type %d format\n", UGETW(asid->wFormatTag));
1566 return USBD_NORMAL_COMPLETION;
1567 }
1568
1569 ed = (const void *)(tbuf + offs);
1570 if (ed->bDescriptorType != UDESC_ENDPOINT)
1571 return USBD_INVAL;
1572 DPRINTF("endpoint[0] bLength=%d bDescriptorType=%d "
1573 "bEndpointAddress=%d bmAttributes=%#x wMaxPacketSize=%d "
1574 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1575 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1576 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1577 ed->bInterval, ed->bRefresh, ed->bSynchAddress);
1578 offs += ed->bLength;
1579 if (offs > size)
1580 return USBD_INVAL;
1581 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1582 return USBD_INVAL;
1583
1584 dir = UE_GET_DIR(ed->bEndpointAddress);
1585 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1586 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1587 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1588 type = UE_ISO_ASYNC;
1589
1590 /* We can't handle endpoints that need a sync pipe yet. */
1591 sync = FALSE;
1592 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1593 sync = TRUE;
1594 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1595 aprint_normal_dev(sc->sc_dev,
1596 "ignored input endpoint of type adaptive\n");
1597 return USBD_NORMAL_COMPLETION;
1598 #endif
1599 }
1600 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1601 sync = TRUE;
1602 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1603 aprint_normal_dev(sc->sc_dev,
1604 "ignored output endpoint of type async\n");
1605 return USBD_NORMAL_COMPLETION;
1606 #endif
1607 }
1608
1609 sed = (const void *)(tbuf + offs);
1610 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1611 sed->bDescriptorSubtype != AS_GENERAL)
1612 return USBD_INVAL;
1613 DPRINTF(" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength);
1614 offs += sed->bLength;
1615 if (offs > size)
1616 return USBD_INVAL;
1617
1618 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1619 if (sync && id->bNumEndpoints <= 1) {
1620 aprint_error_dev(sc->sc_dev,
1621 "a sync-pipe endpoint but no other endpoint\n");
1622 return USBD_INVAL;
1623 }
1624 #endif
1625 if (!sync && id->bNumEndpoints > 1) {
1626 aprint_error_dev(sc->sc_dev,
1627 "non sync-pipe endpoint but multiple endpoints\n");
1628 return USBD_INVAL;
1629 }
1630 epdesc1 = NULL;
1631 if (id->bNumEndpoints > 1) {
1632 epdesc1 = (const void*)(tbuf + offs);
1633 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1634 return USBD_INVAL;
1635 DPRINTF("endpoint[1] bLength=%d "
1636 "bDescriptorType=%d bEndpointAddress=%d "
1637 "bmAttributes=%#x wMaxPacketSize=%d bInterval=%d "
1638 "bRefresh=%d bSynchAddress=%d\n",
1639 epdesc1->bLength, epdesc1->bDescriptorType,
1640 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1641 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1642 epdesc1->bRefresh, epdesc1->bSynchAddress);
1643 offs += epdesc1->bLength;
1644 if (offs > size)
1645 return USBD_INVAL;
1646 if (epdesc1->bSynchAddress != 0) {
1647 aprint_error_dev(sc->sc_dev,
1648 "invalid endpoint: bSynchAddress=0\n");
1649 return USBD_INVAL;
1650 }
1651 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1652 aprint_error_dev(sc->sc_dev,
1653 "invalid endpoint: bmAttributes=%#x\n",
1654 epdesc1->bmAttributes);
1655 return USBD_INVAL;
1656 }
1657 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1658 aprint_error_dev(sc->sc_dev,
1659 "invalid endpoint addresses: "
1660 "ep[0]->bSynchAddress=%#x "
1661 "ep[1]->bEndpointAddress=%#x\n",
1662 ed->bSynchAddress, epdesc1->bEndpointAddress);
1663 return USBD_INVAL;
1664 }
1665 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1666 }
1667
1668 format = UGETW(asid->wFormatTag);
1669 chan = asf1d->bNrChannels;
1670 prec = asf1d->bBitResolution;
1671 if (prec != 8 && prec != 16 && prec != 24) {
1672 aprint_normal_dev(sc->sc_dev,
1673 "ignored setting with precision %d\n", prec);
1674 return USBD_NORMAL_COMPLETION;
1675 }
1676 switch (format) {
1677 case UA_FMT_PCM:
1678 if (prec == 8) {
1679 sc->sc_altflags |= HAS_8;
1680 } else if (prec == 16) {
1681 sc->sc_altflags |= HAS_16;
1682 } else if (prec == 24) {
1683 sc->sc_altflags |= HAS_24;
1684 }
1685 enc = AUDIO_ENCODING_SLINEAR_LE;
1686 format_str = "pcm";
1687 break;
1688 case UA_FMT_PCM8:
1689 enc = AUDIO_ENCODING_ULINEAR_LE;
1690 sc->sc_altflags |= HAS_8U;
1691 format_str = "pcm8";
1692 break;
1693 case UA_FMT_ALAW:
1694 enc = AUDIO_ENCODING_ALAW;
1695 sc->sc_altflags |= HAS_ALAW;
1696 format_str = "alaw";
1697 break;
1698 case UA_FMT_MULAW:
1699 enc = AUDIO_ENCODING_ULAW;
1700 sc->sc_altflags |= HAS_MULAW;
1701 format_str = "mulaw";
1702 break;
1703 case UA_FMT_IEEE_FLOAT:
1704 default:
1705 aprint_normal_dev(sc->sc_dev,
1706 "ignored setting with format %d\n", format);
1707 return USBD_NORMAL_COMPLETION;
1708 }
1709 #ifdef UAUDIO_DEBUG
1710 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,",
1711 dir == UE_DIR_IN ? "recording" : "playback",
1712 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1713 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1714 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d),
1715 UA_SAMP_HI(asf1d));
1716 } else {
1717 int r;
1718 aprint_debug(" %d", UA_GETSAMP(asf1d, 0));
1719 for (r = 1; r < asf1d->bSamFreqType; r++)
1720 aprint_debug(",%d", UA_GETSAMP(asf1d, r));
1721 aprint_debug("Hz\n");
1722 }
1723 #endif
1724 ai.alt = id->bAlternateSetting;
1725 ai.encoding = enc;
1726 ai.attributes = sed->bmAttributes;
1727 ai.idesc = id;
1728 ai.edesc = ed;
1729 ai.edesc1 = epdesc1;
1730 ai.asf1desc = asf1d;
1731 ai.sc_busy = 0;
1732 ai.aformat = NULL;
1733 ai.ifaceh = NULL;
1734 uaudio_add_alt(sc, &ai);
1735 #ifdef UAUDIO_DEBUG
1736 if (ai.attributes & UA_SED_FREQ_CONTROL)
1737 DPRINTFN(1, "%s", "FREQ_CONTROL\n");
1738 if (ai.attributes & UA_SED_PITCH_CONTROL)
1739 DPRINTFN(1, "%s", "PITCH_CONTROL\n");
1740 #endif
1741 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1742
1743 return USBD_NORMAL_COMPLETION;
1744 }
1745 #undef offs
1746
1747 Static usbd_status
1748 uaudio_identify_as(struct uaudio_softc *sc,
1749 const usb_config_descriptor_t *cdesc)
1750 {
1751 const usb_interface_descriptor_t *id;
1752 const char *tbuf;
1753 struct audio_format *auf;
1754 const struct usb_audio_streaming_type1_descriptor *t1desc;
1755 int size, offs;
1756 int i, j;
1757
1758 size = UGETW(cdesc->wTotalLength);
1759 tbuf = (const char *)cdesc;
1760
1761 /* Locate the AudioStreaming interface descriptor. */
1762 offs = 0;
1763 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1764 if (id == NULL)
1765 return USBD_INVAL;
1766
1767 /* Loop through all the alternate settings. */
1768 while (offs <= size) {
1769 DPRINTFN(2, "interface=%d offset=%d\n",
1770 id->bInterfaceNumber, offs);
1771 switch (id->bNumEndpoints) {
1772 case 0:
1773 DPRINTFN(2, "AS null alt=%d\n",
1774 id->bAlternateSetting);
1775 sc->sc_nullalt = id->bAlternateSetting;
1776 break;
1777 case 1:
1778 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1779 case 2:
1780 #endif
1781 uaudio_process_as(sc, tbuf, &offs, size, id);
1782 break;
1783 default:
1784 aprint_error_dev(sc->sc_dev,
1785 "ignored audio interface with %d endpoints\n",
1786 id->bNumEndpoints);
1787 break;
1788 }
1789 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1790 if (id == NULL)
1791 break;
1792 }
1793 if (offs > size)
1794 return USBD_INVAL;
1795 DPRINTF("%d alts available\n", sc->sc_nalts);
1796
1797 if (sc->sc_mode == 0) {
1798 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n");
1799 return USBD_INVAL;
1800 }
1801
1802 /* build audio_format array */
1803 sc->sc_formats = kmem_zalloc(sizeof(struct audio_format) * sc->sc_nalts,
1804 KM_SLEEP);
1805 sc->sc_nformats = sc->sc_nalts;
1806 for (i = 0; i < sc->sc_nalts; i++) {
1807 auf = &sc->sc_formats[i];
1808 t1desc = sc->sc_alts[i].asf1desc;
1809 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1810 auf->mode = AUMODE_PLAY;
1811 else
1812 auf->mode = AUMODE_RECORD;
1813 auf->encoding = sc->sc_alts[i].encoding;
1814 auf->validbits = t1desc->bBitResolution;
1815 auf->precision = t1desc->bSubFrameSize * 8;
1816 auf->channels = t1desc->bNrChannels;
1817 auf->channel_mask = sc->sc_channel_config;
1818 auf->frequency_type = t1desc->bSamFreqType;
1819 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1820 auf->frequency[0] = UA_SAMP_LO(t1desc);
1821 auf->frequency[1] = UA_SAMP_HI(t1desc);
1822 } else {
1823 for (j = 0; j < t1desc->bSamFreqType; j++) {
1824 if (j >= AUFMT_MAX_FREQUENCIES) {
1825 aprint_error("%s: please increase "
1826 "AUFMT_MAX_FREQUENCIES to %d\n",
1827 __func__, t1desc->bSamFreqType);
1828 auf->frequency_type =
1829 AUFMT_MAX_FREQUENCIES;
1830 break;
1831 }
1832 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1833 }
1834 }
1835 sc->sc_alts[i].aformat = auf;
1836 }
1837
1838 return USBD_NORMAL_COMPLETION;
1839 }
1840
1841 #ifdef UAUDIO_DEBUG
1842 Static void
1843 uaudio_dump_tml(struct terminal_list *tml) {
1844 if (tml == NULL) {
1845 printf("NULL");
1846 } else {
1847 int i;
1848 for (i = 0; i < tml->size; i++)
1849 printf("%s ", uaudio_get_terminal_name
1850 (tml->terminals[i]));
1851 }
1852 printf("\n");
1853 }
1854 #endif
1855
1856 Static usbd_status
1857 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1858 {
1859 struct io_terminal* iot;
1860 const usb_interface_descriptor_t *id;
1861 const struct usb_audio_control_descriptor *acdp;
1862 const uaudio_cs_descriptor_t *dp;
1863 const struct usb_audio_output_terminal *pot;
1864 struct terminal_list *tml;
1865 const char *tbuf, *ibuf, *ibufend;
1866 int size, offs, ndps, i, j;
1867
1868 size = UGETW(cdesc->wTotalLength);
1869 tbuf = (const char *)cdesc;
1870
1871 /* Locate the AudioControl interface descriptor. */
1872 offs = 0;
1873 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1874 if (id == NULL)
1875 return USBD_INVAL;
1876 if (offs + sizeof(*acdp) > size)
1877 return USBD_INVAL;
1878 sc->sc_ac_iface = id->bInterfaceNumber;
1879 DPRINTFN(2,"AC interface is %d\n", sc->sc_ac_iface);
1880
1881 /* A class-specific AC interface header should follow. */
1882 ibuf = tbuf + offs;
1883 ibufend = tbuf + size;
1884 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1885 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1886 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1887 return USBD_INVAL;
1888
1889 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1890 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1891 return USBD_INVAL;
1892
1893 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1894 DPRINTFN(2, "found AC header, vers=%03x\n", sc->sc_audio_rev);
1895
1896 sc->sc_nullalt = -1;
1897
1898 /* Scan through all the AC specific descriptors */
1899 dp = (const uaudio_cs_descriptor_t *)ibuf;
1900 ndps = 0;
1901 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1902 if (iot == NULL) {
1903 aprint_error("%s: no memory\n", __func__);
1904 return USBD_NOMEM;
1905 }
1906 for (;;) {
1907 ibuf += dp->bLength;
1908 if (ibuf >= ibufend)
1909 break;
1910 dp = (const uaudio_cs_descriptor_t *)ibuf;
1911 if (ibuf + dp->bLength > ibufend) {
1912 free(iot, M_TEMP);
1913 return USBD_INVAL;
1914 }
1915 if (dp->bDescriptorType != UDESC_CS_INTERFACE)
1916 break;
1917 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1918 iot[i].d.desc = dp;
1919 if (i > ndps)
1920 ndps = i;
1921 }
1922 ndps++;
1923
1924 /* construct io_terminal */
1925 for (i = 0; i < ndps; i++) {
1926 dp = iot[i].d.desc;
1927 if (dp == NULL)
1928 continue;
1929 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1930 continue;
1931 pot = iot[i].d.ot;
1932 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1933 if (tml != NULL)
1934 free(tml, M_TEMP);
1935 }
1936
1937 #ifdef UAUDIO_DEBUG
1938 for (i = 0; i < 256; i++) {
1939 struct usb_audio_cluster cluster;
1940
1941 if (iot[i].d.desc == NULL)
1942 continue;
1943 printf("id %d:\t", i);
1944 switch (iot[i].d.desc->bDescriptorSubtype) {
1945 case UDESCSUB_AC_INPUT:
1946 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1947 (UGETW(iot[i].d.it->wTerminalType)));
1948 printf("\t");
1949 cluster = uaudio_get_cluster(i, iot);
1950 uaudio_dump_cluster(&cluster);
1951 printf("\n");
1952 break;
1953 case UDESCSUB_AC_OUTPUT:
1954 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1955 (UGETW(iot[i].d.ot->wTerminalType)));
1956 printf("src=%d\n", iot[i].d.ot->bSourceId);
1957 break;
1958 case UDESCSUB_AC_MIXER:
1959 printf("AC_MIXER src=");
1960 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1961 printf("%d ", iot[i].d.mu->baSourceId[j]);
1962 printf("\n\t");
1963 cluster = uaudio_get_cluster(i, iot);
1964 uaudio_dump_cluster(&cluster);
1965 printf("\n");
1966 break;
1967 case UDESCSUB_AC_SELECTOR:
1968 printf("AC_SELECTOR src=");
1969 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1970 printf("%d ", iot[i].d.su->baSourceId[j]);
1971 printf("\n");
1972 break;
1973 case UDESCSUB_AC_FEATURE:
1974 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1975 break;
1976 case UDESCSUB_AC_PROCESSING:
1977 printf("AC_PROCESSING src=");
1978 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1979 printf("%d ", iot[i].d.pu->baSourceId[j]);
1980 printf("\n\t");
1981 cluster = uaudio_get_cluster(i, iot);
1982 uaudio_dump_cluster(&cluster);
1983 printf("\n");
1984 break;
1985 case UDESCSUB_AC_EXTENSION:
1986 printf("AC_EXTENSION src=");
1987 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1988 printf("%d ", iot[i].d.eu->baSourceId[j]);
1989 printf("\n\t");
1990 cluster = uaudio_get_cluster(i, iot);
1991 uaudio_dump_cluster(&cluster);
1992 printf("\n");
1993 break;
1994 default:
1995 printf("unknown audio control (subtype=%d)\n",
1996 iot[i].d.desc->bDescriptorSubtype);
1997 }
1998 for (j = 0; j < iot[i].inputs_size; j++) {
1999 printf("\tinput%d: ", j);
2000 uaudio_dump_tml(iot[i].inputs[j]);
2001 }
2002 printf("\toutput: ");
2003 uaudio_dump_tml(iot[i].output);
2004 }
2005 #endif
2006
2007 for (i = 0; i < ndps; i++) {
2008 dp = iot[i].d.desc;
2009 if (dp == NULL)
2010 continue;
2011 DPRINTF("id=%d subtype=%d\n", i, dp->bDescriptorSubtype);
2012 switch (dp->bDescriptorSubtype) {
2013 case UDESCSUB_AC_HEADER:
2014 aprint_error("uaudio_identify_ac: unexpected AC header\n");
2015 break;
2016 case UDESCSUB_AC_INPUT:
2017 uaudio_add_input(sc, iot, i);
2018 break;
2019 case UDESCSUB_AC_OUTPUT:
2020 uaudio_add_output(sc, iot, i);
2021 break;
2022 case UDESCSUB_AC_MIXER:
2023 uaudio_add_mixer(sc, iot, i);
2024 break;
2025 case UDESCSUB_AC_SELECTOR:
2026 uaudio_add_selector(sc, iot, i);
2027 break;
2028 case UDESCSUB_AC_FEATURE:
2029 uaudio_add_feature(sc, iot, i);
2030 break;
2031 case UDESCSUB_AC_PROCESSING:
2032 uaudio_add_processing(sc, iot, i);
2033 break;
2034 case UDESCSUB_AC_EXTENSION:
2035 uaudio_add_extension(sc, iot, i);
2036 break;
2037 default:
2038 aprint_error(
2039 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2040 dp->bDescriptorSubtype);
2041 break;
2042 }
2043 }
2044
2045 /* delete io_terminal */
2046 for (i = 0; i < 256; i++) {
2047 if (iot[i].d.desc == NULL)
2048 continue;
2049 if (iot[i].inputs != NULL) {
2050 for (j = 0; j < iot[i].inputs_size; j++) {
2051 if (iot[i].inputs[j] != NULL)
2052 free(iot[i].inputs[j], M_TEMP);
2053 }
2054 free(iot[i].inputs, M_TEMP);
2055 }
2056 if (iot[i].output != NULL)
2057 free(iot[i].output, M_TEMP);
2058 iot[i].d.desc = NULL;
2059 }
2060 free(iot, M_TEMP);
2061
2062 return USBD_NORMAL_COMPLETION;
2063 }
2064
2065 Static int
2066 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2067 {
2068 struct uaudio_softc *sc;
2069 struct mixerctl *mc;
2070 int n, nctls, i;
2071
2072 DPRINTFN(7, "index=%d\n", mi->index);
2073 sc = addr;
2074 if (sc->sc_dying)
2075 return EIO;
2076
2077 n = mi->index;
2078 nctls = sc->sc_nctls;
2079
2080 switch (n) {
2081 case UAC_OUTPUT:
2082 mi->type = AUDIO_MIXER_CLASS;
2083 mi->mixer_class = UAC_OUTPUT;
2084 mi->next = mi->prev = AUDIO_MIXER_LAST;
2085 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2086 return 0;
2087 case UAC_INPUT:
2088 mi->type = AUDIO_MIXER_CLASS;
2089 mi->mixer_class = UAC_INPUT;
2090 mi->next = mi->prev = AUDIO_MIXER_LAST;
2091 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2092 return 0;
2093 case UAC_EQUAL:
2094 mi->type = AUDIO_MIXER_CLASS;
2095 mi->mixer_class = UAC_EQUAL;
2096 mi->next = mi->prev = AUDIO_MIXER_LAST;
2097 strlcpy(mi->label.name, AudioCequalization,
2098 sizeof(mi->label.name));
2099 return 0;
2100 case UAC_RECORD:
2101 mi->type = AUDIO_MIXER_CLASS;
2102 mi->mixer_class = UAC_RECORD;
2103 mi->next = mi->prev = AUDIO_MIXER_LAST;
2104 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2105 return 0;
2106 default:
2107 break;
2108 }
2109
2110 n -= UAC_NCLASSES;
2111 if (n < 0 || n >= nctls)
2112 return ENXIO;
2113
2114 mc = &sc->sc_ctls[n];
2115 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2116 mi->mixer_class = mc->class;
2117 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2118 switch (mc->type) {
2119 case MIX_ON_OFF:
2120 mi->type = AUDIO_MIXER_ENUM;
2121 mi->un.e.num_mem = 2;
2122 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2123 sizeof(mi->un.e.member[0].label.name));
2124 mi->un.e.member[0].ord = 0;
2125 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2126 sizeof(mi->un.e.member[1].label.name));
2127 mi->un.e.member[1].ord = 1;
2128 break;
2129 case MIX_SELECTOR:
2130 mi->type = AUDIO_MIXER_ENUM;
2131 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2132 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2133 snprintf(mi->un.e.member[i].label.name,
2134 sizeof(mi->un.e.member[i].label.name),
2135 "%d", i + mc->minval);
2136 mi->un.e.member[i].ord = i + mc->minval;
2137 }
2138 break;
2139 default:
2140 mi->type = AUDIO_MIXER_VALUE;
2141 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2142 mi->un.v.num_channels = mc->nchan;
2143 mi->un.v.delta = mc->delta;
2144 break;
2145 }
2146 return 0;
2147 }
2148
2149 Static int
2150 uaudio_open(void *addr, int flags)
2151 {
2152 struct uaudio_softc *sc;
2153
2154 sc = addr;
2155 DPRINTF("sc=%p\n", sc);
2156 if (sc->sc_dying)
2157 return EIO;
2158
2159 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2160 return EACCES;
2161 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2162 return EACCES;
2163
2164 return 0;
2165 }
2166
2167 Static int
2168 uaudio_halt_out_dma(void *addr)
2169 {
2170 struct uaudio_softc *sc = addr;
2171
2172 DPRINTF("%s", "enter\n");
2173
2174 mutex_exit(&sc->sc_intr_lock);
2175 uaudio_halt_out_dma_unlocked(sc);
2176 mutex_enter(&sc->sc_intr_lock);
2177
2178 return 0;
2179 }
2180
2181 Static void
2182 uaudio_halt_out_dma_unlocked(struct uaudio_softc *sc)
2183 {
2184 if (sc->sc_playchan.pipe != NULL) {
2185 uaudio_chan_abort(sc, &sc->sc_playchan);
2186 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2187 uaudio_chan_close(sc, &sc->sc_playchan);
2188 sc->sc_playchan.intr = NULL;
2189 }
2190 }
2191
2192 Static int
2193 uaudio_halt_in_dma(void *addr)
2194 {
2195 struct uaudio_softc *sc = addr;
2196
2197 DPRINTF("%s", "enter\n");
2198
2199 mutex_exit(&sc->sc_intr_lock);
2200 uaudio_halt_in_dma_unlocked(sc);
2201 mutex_enter(&sc->sc_intr_lock);
2202
2203 return 0;
2204 }
2205
2206 Static void
2207 uaudio_halt_in_dma_unlocked(struct uaudio_softc *sc)
2208 {
2209 if (sc->sc_recchan.pipe != NULL) {
2210 uaudio_chan_abort(sc, &sc->sc_recchan);
2211 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2212 uaudio_chan_close(sc, &sc->sc_recchan);
2213 sc->sc_recchan.intr = NULL;
2214 }
2215 }
2216
2217 Static int
2218 uaudio_getdev(void *addr, struct audio_device *retp)
2219 {
2220 struct uaudio_softc *sc;
2221
2222 DPRINTF("%s", "\n");
2223 sc = addr;
2224 if (sc->sc_dying)
2225 return EIO;
2226
2227 *retp = sc->sc_adev;
2228 return 0;
2229 }
2230
2231 /*
2232 * Make sure the block size is large enough to hold all outstanding transfers.
2233 */
2234 Static int
2235 uaudio_round_blocksize(void *addr, int blk,
2236 int mode, const audio_params_t *param)
2237 {
2238 struct uaudio_softc *sc;
2239 int b;
2240
2241 sc = addr;
2242 DPRINTF("blk=%d mode=%s\n", blk,
2243 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD");
2244
2245 /* chan.bytes_per_frame can be 0. */
2246 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2247 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2248
2249 /*
2250 * This does not make accurate value in the case
2251 * of b % USB_FRAMES_PER_SECOND != 0
2252 */
2253 b /= USB_FRAMES_PER_SECOND;
2254
2255 b *= param->precision / 8 * param->channels;
2256 } else {
2257 /*
2258 * use wMaxPacketSize in bytes_per_frame.
2259 * See uaudio_set_format() and uaudio_chan_init()
2260 */
2261 b = sc->sc_recchan.bytes_per_frame
2262 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2263 }
2264
2265 if (b <= 0)
2266 b = 1;
2267 blk = blk <= b ? b : blk / b * b;
2268
2269 #ifdef DIAGNOSTIC
2270 if (blk <= 0) {
2271 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk);
2272 blk = 512;
2273 }
2274 #endif
2275
2276 DPRINTF("resultant blk=%d\n", blk);
2277 return blk;
2278 }
2279
2280 Static int
2281 uaudio_get_props(void *addr)
2282 {
2283 struct uaudio_softc *sc;
2284 int props;
2285
2286 sc = addr;
2287 props = 0;
2288 if ((sc->sc_mode & AUMODE_PLAY))
2289 props |= AUDIO_PROP_PLAYBACK;
2290 if ((sc->sc_mode & AUMODE_RECORD))
2291 props |= AUDIO_PROP_CAPTURE;
2292
2293 /* XXX I'm not sure all bidirectional devices support FULLDUP&INDEP */
2294 if (props == (AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE))
2295 props |= AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2296
2297 return props;
2298 }
2299
2300 Static void
2301 uaudio_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
2302 {
2303 struct uaudio_softc *sc;
2304
2305 sc = addr;
2306 *intr = &sc->sc_intr_lock;
2307 *thread = &sc->sc_lock;
2308 }
2309
2310 Static int
2311 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2312 int wIndex, int len)
2313 {
2314 usb_device_request_t req;
2315 uint8_t data[4];
2316 usbd_status err;
2317 int val;
2318
2319 if (wValue == -1)
2320 return 0;
2321
2322 req.bmRequestType = type;
2323 req.bRequest = which;
2324 USETW(req.wValue, wValue);
2325 USETW(req.wIndex, wIndex);
2326 USETW(req.wLength, len);
2327 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2328 "wIndex=0x%04x len=%d\n",
2329 type, which, wValue, wIndex, len);
2330 err = usbd_do_request(sc->sc_udev, &req, data);
2331 if (err) {
2332 DPRINTF("err=%s\n", usbd_errstr(err));
2333 return -1;
2334 }
2335 switch (len) {
2336 case 1:
2337 val = data[0];
2338 break;
2339 case 2:
2340 val = data[0] | (data[1] << 8);
2341 break;
2342 default:
2343 DPRINTF("bad length=%d\n", len);
2344 return -1;
2345 }
2346 DPRINTFN(2,"val=%d\n", val);
2347 return val;
2348 }
2349
2350 Static void
2351 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2352 int wIndex, int len, int val)
2353 {
2354 usb_device_request_t req;
2355 uint8_t data[4];
2356 int err __unused;
2357
2358 if (wValue == -1)
2359 return;
2360
2361 req.bmRequestType = type;
2362 req.bRequest = which;
2363 USETW(req.wValue, wValue);
2364 USETW(req.wIndex, wIndex);
2365 USETW(req.wLength, len);
2366 switch (len) {
2367 case 1:
2368 data[0] = val;
2369 break;
2370 case 2:
2371 data[0] = val;
2372 data[1] = val >> 8;
2373 break;
2374 default:
2375 return;
2376 }
2377 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2378 "wIndex=0x%04x len=%d, val=%d\n",
2379 type, which, wValue, wIndex, len, val & 0xffff);
2380 err = usbd_do_request(sc->sc_udev, &req, data);
2381 #ifdef UAUDIO_DEBUG
2382 if (err)
2383 DPRINTF("err=%d\n", err);
2384 #endif
2385 }
2386
2387 Static int
2388 uaudio_signext(int type, int val)
2389 {
2390 if (!MIX_UNSIGNED(type)) {
2391 if (MIX_SIZE(type) == 2)
2392 val = (int16_t)val;
2393 else
2394 val = (int8_t)val;
2395 }
2396 return val;
2397 }
2398
2399 Static int
2400 uaudio_value2bsd(struct mixerctl *mc, int val)
2401 {
2402 DPRINTFN(5, "type=%03x val=%d min=%d max=%d ",
2403 mc->type, val, mc->minval, mc->maxval);
2404 if (mc->type == MIX_ON_OFF) {
2405 val = (val != 0);
2406 } else if (mc->type == MIX_SELECTOR) {
2407 if (val < mc->minval || val > mc->maxval)
2408 val = mc->minval;
2409 } else
2410 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2411 + mc->mul/2) / mc->mul;
2412 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2413 return val;
2414 }
2415
2416 int
2417 uaudio_bsd2value(struct mixerctl *mc, int val)
2418 {
2419 DPRINTFN(5,"type=%03x val=%d min=%d max=%d ",
2420 mc->type, val, mc->minval, mc->maxval);
2421 if (mc->type == MIX_ON_OFF) {
2422 val = (val != 0);
2423 } else if (mc->type == MIX_SELECTOR) {
2424 if (val < mc->minval || val > mc->maxval)
2425 val = mc->minval;
2426 } else
2427 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2428 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2429 return val;
2430 }
2431
2432 Static int
2433 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2434 int chan)
2435 {
2436 int val;
2437
2438 DPRINTFN(5,"which=%d chan=%d\n", which, chan);
2439 mutex_exit(&sc->sc_lock);
2440 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2441 mc->wIndex, MIX_SIZE(mc->type));
2442 mutex_enter(&sc->sc_lock);
2443 return uaudio_value2bsd(mc, val);
2444 }
2445
2446 Static void
2447 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2448 int chan, int val)
2449 {
2450
2451 val = uaudio_bsd2value(mc, val);
2452 mutex_exit(&sc->sc_lock);
2453 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2454 mc->wIndex, MIX_SIZE(mc->type), val);
2455 mutex_enter(&sc->sc_lock);
2456 }
2457
2458 Static int
2459 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2460 {
2461 struct uaudio_softc *sc;
2462 struct mixerctl *mc;
2463 int i, n, vals[MIX_MAX_CHAN], val;
2464
2465 DPRINTFN(2, "index=%d\n", cp->dev);
2466 sc = addr;
2467 if (sc->sc_dying)
2468 return EIO;
2469
2470 n = cp->dev - UAC_NCLASSES;
2471 if (n < 0 || n >= sc->sc_nctls)
2472 return ENXIO;
2473 mc = &sc->sc_ctls[n];
2474
2475 if (mc->type == MIX_ON_OFF) {
2476 if (cp->type != AUDIO_MIXER_ENUM)
2477 return EINVAL;
2478 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2479 } else if (mc->type == MIX_SELECTOR) {
2480 if (cp->type != AUDIO_MIXER_ENUM)
2481 return EINVAL;
2482 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2483 } else {
2484 if (cp->type != AUDIO_MIXER_VALUE)
2485 return EINVAL;
2486 if (cp->un.value.num_channels != 1 &&
2487 cp->un.value.num_channels != mc->nchan)
2488 return EINVAL;
2489 for (i = 0; i < mc->nchan; i++)
2490 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2491 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2492 for (val = 0, i = 0; i < mc->nchan; i++)
2493 val += vals[i];
2494 vals[0] = val / mc->nchan;
2495 }
2496 for (i = 0; i < cp->un.value.num_channels; i++)
2497 cp->un.value.level[i] = vals[i];
2498 }
2499
2500 return 0;
2501 }
2502
2503 Static int
2504 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2505 {
2506 struct uaudio_softc *sc;
2507 struct mixerctl *mc;
2508 int i, n, vals[MIX_MAX_CHAN];
2509
2510 DPRINTFN(2, "index = %d\n", cp->dev);
2511 sc = addr;
2512 if (sc->sc_dying)
2513 return EIO;
2514
2515 n = cp->dev - UAC_NCLASSES;
2516 if (n < 0 || n >= sc->sc_nctls)
2517 return ENXIO;
2518 mc = &sc->sc_ctls[n];
2519
2520 if (mc->type == MIX_ON_OFF) {
2521 if (cp->type != AUDIO_MIXER_ENUM)
2522 return EINVAL;
2523 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2524 } else if (mc->type == MIX_SELECTOR) {
2525 if (cp->type != AUDIO_MIXER_ENUM)
2526 return EINVAL;
2527 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2528 } else {
2529 if (cp->type != AUDIO_MIXER_VALUE)
2530 return EINVAL;
2531 if (cp->un.value.num_channels == 1)
2532 for (i = 0; i < mc->nchan; i++)
2533 vals[i] = cp->un.value.level[0];
2534 else if (cp->un.value.num_channels == mc->nchan)
2535 for (i = 0; i < mc->nchan; i++)
2536 vals[i] = cp->un.value.level[i];
2537 else
2538 return EINVAL;
2539 for (i = 0; i < mc->nchan; i++)
2540 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2541 }
2542 return 0;
2543 }
2544
2545 Static int
2546 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2547 void (*intr)(void *), void *arg,
2548 const audio_params_t *param)
2549 {
2550 struct uaudio_softc *sc;
2551 struct chan *ch;
2552 usbd_status err;
2553 int i;
2554
2555 sc = addr;
2556 if (sc->sc_dying)
2557 return EIO;
2558
2559 DPRINTFN(3, "sc=%p start=%p end=%p "
2560 "blksize=%d\n", sc, start, end, blksize);
2561 ch = &sc->sc_recchan;
2562 uaudio_chan_set_param(ch, start, end, blksize);
2563 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2564 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2565 ch->fraction);
2566
2567 err = uaudio_chan_open(sc, ch);
2568 if (err) {
2569 return EIO;
2570 }
2571
2572 err = uaudio_chan_alloc_buffers(sc, ch);
2573 if (err) {
2574 uaudio_chan_close(sc, ch);
2575 return EIO;
2576 }
2577
2578
2579 ch->intr = intr;
2580 ch->arg = arg;
2581
2582 /*
2583 * Start as half as many channels for recording as for playback.
2584 * This stops playback from stuttering in full-duplex operation.
2585 */
2586 for (i = 0; i < UAUDIO_NCHANBUFS / 2; i++) {
2587 uaudio_chan_rtransfer(ch);
2588 }
2589
2590 return 0;
2591 }
2592
2593 Static int
2594 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2595 void (*intr)(void *), void *arg,
2596 const audio_params_t *param)
2597 {
2598 struct uaudio_softc *sc;
2599 struct chan *ch;
2600 usbd_status err;
2601 int i;
2602
2603 sc = addr;
2604 if (sc->sc_dying)
2605 return EIO;
2606
2607 DPRINTFN(3, "sc=%p start=%p end=%p "
2608 "blksize=%d\n", sc, start, end, blksize);
2609 ch = &sc->sc_playchan;
2610 uaudio_chan_set_param(ch, start, end, blksize);
2611 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2612 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2613 ch->fraction);
2614
2615 err = uaudio_chan_open(sc, ch);
2616 if (err) {
2617 return EIO;
2618 }
2619
2620 err = uaudio_chan_alloc_buffers(sc, ch);
2621 if (err) {
2622 uaudio_chan_close(sc, ch);
2623 return EIO;
2624 }
2625
2626 ch->intr = intr;
2627 ch->arg = arg;
2628
2629 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2630 uaudio_chan_ptransfer(ch);
2631
2632 return 0;
2633 }
2634
2635 /* Set up a pipe for a channel. */
2636 Static usbd_status
2637 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2638 {
2639 struct as_info *as;
2640 usb_device_descriptor_t *ddesc;
2641 int endpt;
2642 usbd_status err;
2643
2644 as = &sc->sc_alts[ch->altidx];
2645 endpt = as->edesc->bEndpointAddress;
2646 DPRINTF("endpt=0x%02x, speed=%d, alt=%d\n",
2647 endpt, ch->sample_rate, as->alt);
2648
2649 /* Set alternate interface corresponding to the mode. */
2650 err = usbd_set_interface(as->ifaceh, as->alt);
2651 if (err)
2652 return err;
2653
2654 /*
2655 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2656 */
2657 ddesc = usbd_get_device_descriptor(sc->sc_udev);
2658 if ((UGETW(ddesc->idVendor) != USB_VENDOR_ROLAND) &&
2659 (UGETW(ddesc->idProduct) != USB_PRODUCT_ROLAND_SD90)) {
2660 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2661 if (err) {
2662 DPRINTF("set_speed failed err=%s\n", usbd_errstr(err));
2663 }
2664 }
2665
2666 DPRINTF("create pipe to 0x%02x\n", endpt);
2667 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, &ch->pipe);
2668 if (err)
2669 return err;
2670 if (as->edesc1 != NULL) {
2671 endpt = as->edesc1->bEndpointAddress;
2672 DPRINTF("create sync-pipe to 0x%02x\n", endpt);
2673 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE,
2674 &ch->sync_pipe);
2675 }
2676 return err;
2677 }
2678
2679 Static void
2680 uaudio_chan_abort(struct uaudio_softc *sc, struct chan *ch)
2681 {
2682 struct usbd_pipe *pipe;
2683 struct as_info *as;
2684
2685 as = &sc->sc_alts[ch->altidx];
2686 as->sc_busy = 0;
2687 if (sc->sc_nullalt >= 0) {
2688 DPRINTF("set null alt=%d\n", sc->sc_nullalt);
2689 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2690 }
2691 pipe = ch->pipe;
2692 if (pipe) {
2693 usbd_abort_pipe(pipe);
2694 }
2695 pipe = ch->sync_pipe;
2696 if (pipe) {
2697 usbd_abort_pipe(pipe);
2698 }
2699 }
2700
2701 Static void
2702 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2703 {
2704 struct usbd_pipe *pipe;
2705
2706 pipe = atomic_swap_ptr(&ch->pipe, NULL);
2707 if (pipe) {
2708 usbd_close_pipe(pipe);
2709 }
2710 pipe = atomic_swap_ptr(&ch->sync_pipe, NULL);
2711 if (pipe) {
2712 usbd_close_pipe(pipe);
2713 }
2714 }
2715
2716 Static usbd_status
2717 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2718 {
2719 int i, size;
2720
2721 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2722 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2723 struct usbd_xfer *xfer;
2724
2725 int err = usbd_create_xfer(ch->pipe, size, 0, UAUDIO_NFRAMES,
2726 &xfer);
2727 if (err)
2728 goto bad;
2729
2730 ch->chanbufs[i].xfer = xfer;
2731 ch->chanbufs[i].buffer = usbd_get_buffer(xfer);
2732 ch->chanbufs[i].chan = ch;
2733 }
2734
2735 return USBD_NORMAL_COMPLETION;
2736
2737 bad:
2738 while (--i >= 0)
2739 /* implicit buffer free */
2740 usbd_destroy_xfer(ch->chanbufs[i].xfer);
2741 return USBD_NOMEM;
2742 }
2743
2744 Static void
2745 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2746 {
2747 int i;
2748
2749 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2750 usbd_destroy_xfer(ch->chanbufs[i].xfer);
2751 }
2752
2753 Static void
2754 uaudio_chan_ptransfer(struct chan *ch)
2755 {
2756 struct chanbuf *cb;
2757 int i, n, size, residue, total;
2758
2759 if (ch->sc->sc_dying)
2760 return;
2761
2762 /* Pick the next channel buffer. */
2763 cb = &ch->chanbufs[ch->curchanbuf];
2764 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2765 ch->curchanbuf = 0;
2766
2767 /* Compute the size of each frame in the next transfer. */
2768 residue = ch->residue;
2769 total = 0;
2770 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2771 size = ch->bytes_per_frame;
2772 residue += ch->fraction;
2773 if (residue >= USB_FRAMES_PER_SECOND) {
2774 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2775 size += ch->sample_size;
2776 residue -= USB_FRAMES_PER_SECOND;
2777 }
2778 cb->sizes[i] = size;
2779 total += size;
2780 }
2781 ch->residue = residue;
2782 cb->size = total;
2783
2784 /*
2785 * Transfer data from upper layer buffer to channel buffer, taking
2786 * care of wrapping the upper layer buffer.
2787 */
2788 n = uimin(total, ch->end - ch->cur);
2789 memcpy(cb->buffer, ch->cur, n);
2790 ch->cur += n;
2791 if (ch->cur >= ch->end)
2792 ch->cur = ch->start;
2793 if (total > n) {
2794 total -= n;
2795 memcpy(cb->buffer + n, ch->cur, total);
2796 ch->cur += total;
2797 }
2798
2799 #ifdef UAUDIO_DEBUG
2800 if (uaudiodebug > 8) {
2801 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2802 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2803 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2804 }
2805 }
2806 #endif
2807
2808 //DPRINTFN(5, "ptransfer xfer=%p\n", cb->xfer);
2809 /* Fill the request */
2810 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0,
2811 uaudio_chan_pintr);
2812
2813 (void)usbd_transfer(cb->xfer);
2814 }
2815
2816 Static void
2817 uaudio_chan_pintr(struct usbd_xfer *xfer, void *priv,
2818 usbd_status status)
2819 {
2820 struct chanbuf *cb;
2821 struct chan *ch;
2822 uint32_t count;
2823
2824 cb = priv;
2825 ch = cb->chan;
2826 /* Return if we are aborting. */
2827 if (status == USBD_CANCELLED)
2828 return;
2829
2830 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2831 DPRINTFN(5, "count=%d, transferred=%d\n",
2832 count, ch->transferred);
2833 #ifdef DIAGNOSTIC
2834 if (count != cb->size) {
2835 aprint_error("uaudio_chan_pintr: count(%d) != size(%d)\n",
2836 count, cb->size);
2837 }
2838 #endif
2839
2840 mutex_enter(&ch->sc->sc_intr_lock);
2841 ch->transferred += cb->size;
2842 /* Call back to upper layer */
2843 while (ch->transferred >= ch->blksize) {
2844 ch->transferred -= ch->blksize;
2845 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2846 ch->intr(ch->arg);
2847 }
2848 mutex_exit(&ch->sc->sc_intr_lock);
2849
2850 /* start next transfer */
2851 uaudio_chan_ptransfer(ch);
2852 }
2853
2854 Static void
2855 uaudio_chan_rtransfer(struct chan *ch)
2856 {
2857 struct chanbuf *cb;
2858 int i, size, residue, total;
2859
2860 if (ch->sc->sc_dying)
2861 return;
2862
2863 /* Pick the next channel buffer. */
2864 cb = &ch->chanbufs[ch->curchanbuf];
2865 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2866 ch->curchanbuf = 0;
2867
2868 /* Compute the size of each frame in the next transfer. */
2869 residue = ch->residue;
2870 total = 0;
2871 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2872 size = ch->bytes_per_frame;
2873 cb->sizes[i] = size;
2874 cb->offsets[i] = total;
2875 total += size;
2876 }
2877 ch->residue = residue;
2878 cb->size = total;
2879
2880 #ifdef UAUDIO_DEBUG
2881 if (uaudiodebug > 8) {
2882 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2883 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2884 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2885 }
2886 }
2887 #endif
2888
2889 DPRINTFN(5, "transfer xfer=%p\n", cb->xfer);
2890 /* Fill the request */
2891 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0,
2892 uaudio_chan_rintr);
2893
2894 (void)usbd_transfer(cb->xfer);
2895 }
2896
2897 Static void
2898 uaudio_chan_rintr(struct usbd_xfer *xfer, void *priv,
2899 usbd_status status)
2900 {
2901 struct chanbuf *cb;
2902 struct chan *ch;
2903 uint32_t count;
2904 int i, n, frsize;
2905
2906 cb = priv;
2907 ch = cb->chan;
2908 /* Return if we are aborting. */
2909 if (status == USBD_CANCELLED)
2910 return;
2911
2912 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2913 DPRINTFN(5, "count=%d, transferred=%d\n", count, ch->transferred);
2914
2915 /* count < cb->size is normal for asynchronous source */
2916 #ifdef DIAGNOSTIC
2917 if (count > cb->size) {
2918 aprint_error("uaudio_chan_rintr: count(%d) > size(%d)\n",
2919 count, cb->size);
2920 }
2921 #endif
2922
2923 /*
2924 * Transfer data from channel buffer to upper layer buffer, taking
2925 * care of wrapping the upper layer buffer.
2926 */
2927 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2928 frsize = cb->sizes[i];
2929 n = uimin(frsize, ch->end - ch->cur);
2930 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2931 ch->cur += n;
2932 if (ch->cur >= ch->end)
2933 ch->cur = ch->start;
2934 if (frsize > n) {
2935 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2936 frsize - n);
2937 ch->cur += frsize - n;
2938 }
2939 }
2940
2941 /* Call back to upper layer */
2942 mutex_enter(&ch->sc->sc_intr_lock);
2943 ch->transferred += count;
2944 while (ch->transferred >= ch->blksize) {
2945 ch->transferred -= ch->blksize;
2946 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2947 ch->intr(ch->arg);
2948 }
2949 mutex_exit(&ch->sc->sc_intr_lock);
2950
2951 /* start next transfer */
2952 uaudio_chan_rtransfer(ch);
2953 }
2954
2955 Static void
2956 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2957 int maxpktsize)
2958 {
2959 int samples_per_frame, sample_size;
2960
2961 ch->altidx = altidx;
2962 sample_size = param->precision * param->channels / 8;
2963 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2964 ch->sample_size = sample_size;
2965 ch->sample_rate = param->sample_rate;
2966 if (maxpktsize == 0) {
2967 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2968 ch->bytes_per_frame = samples_per_frame * sample_size;
2969 } else {
2970 ch->fraction = 0;
2971 ch->bytes_per_frame = maxpktsize;
2972 }
2973 ch->residue = 0;
2974 }
2975
2976 Static void
2977 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2978 {
2979
2980 ch->start = start;
2981 ch->end = end;
2982 ch->cur = start;
2983 ch->blksize = blksize;
2984 ch->transferred = 0;
2985 ch->curchanbuf = 0;
2986 }
2987
2988 Static int
2989 uaudio_set_format(void *addr, int setmode,
2990 const audio_params_t *play, const audio_params_t *rec,
2991 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
2992 {
2993 struct uaudio_softc *sc;
2994 int paltidx, raltidx;
2995
2996 sc = addr;
2997 paltidx = -1;
2998 raltidx = -1;
2999 if (sc->sc_dying)
3000 return EIO;
3001
3002 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3003 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
3004 }
3005 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3006 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
3007 }
3008
3009 /* Some uaudio devices are unidirectional. Don't try to find a
3010 matching mode for the unsupported direction. */
3011 setmode &= sc->sc_mode;
3012
3013 if ((setmode & AUMODE_PLAY)) {
3014 paltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats,
3015 AUMODE_PLAY, play);
3016 /* Transfer should have halted */
3017 uaudio_chan_init(&sc->sc_playchan, paltidx, play, 0);
3018 }
3019 if ((setmode & AUMODE_RECORD)) {
3020 raltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats,
3021 AUMODE_RECORD, rec);
3022 /* Transfer should have halted */
3023 uaudio_chan_init(&sc->sc_recchan, raltidx, rec,
3024 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3025 }
3026
3027 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3028 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3029 }
3030 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3031 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3032 }
3033
3034 DPRINTF("use altidx=p%d/r%d, altno=p%d/r%d\n",
3035 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3036 (sc->sc_playchan.altidx >= 0)
3037 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3038 : -1,
3039 (sc->sc_recchan.altidx >= 0)
3040 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3041 : -1);
3042
3043 return 0;
3044 }
3045
3046 Static usbd_status
3047 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3048 {
3049 usb_device_request_t req;
3050 usbd_status err;
3051 uint8_t data[3];
3052
3053 DPRINTFN(5, "endpt=%d speed=%u\n", endpt, speed);
3054 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3055 req.bRequest = SET_CUR;
3056 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3057 USETW(req.wIndex, endpt);
3058 USETW(req.wLength, 3);
3059 data[0] = speed;
3060 data[1] = speed >> 8;
3061 data[2] = speed >> 16;
3062
3063 err = usbd_do_request(sc->sc_udev, &req, data);
3064
3065 return err;
3066 }
3067
3068 #ifdef _MODULE
3069
3070 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL);
3071
3072 static const struct cfiattrdata audiobuscf_iattrdata = {
3073 "audiobus", 0, { { NULL, NULL, 0 }, }
3074 };
3075 static const struct cfiattrdata * const uaudio_attrs[] = {
3076 &audiobuscf_iattrdata, NULL
3077 };
3078 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs);
3079 extern struct cfattach uaudio_ca;
3080 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = {
3081 -1/*USBIFIFCF_PORT_DEFAULT*/,
3082 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/,
3083 -1/*USBIFIFCF_INTERFACE_DEFAULT*/,
3084 -1/*USBIFIFCF_VENDOR_DEFAULT*/,
3085 -1/*USBIFIFCF_PRODUCT_DEFAULT*/,
3086 -1/*USBIFIFCF_RELEASE_DEFAULT*/};
3087 static struct cfparent uhubparent = {
3088 "usbifif", NULL, DVUNIT_ANY
3089 };
3090 static struct cfdata uaudio_cfdata[] = {
3091 {
3092 .cf_name = "uaudio",
3093 .cf_atname = "uaudio",
3094 .cf_unit = 0,
3095 .cf_fstate = FSTATE_STAR,
3096 .cf_loc = uaudioloc,
3097 .cf_flags = 0,
3098 .cf_pspec = &uhubparent,
3099 },
3100 { NULL }
3101 };
3102
3103 static int
3104 uaudio_modcmd(modcmd_t cmd, void *arg)
3105 {
3106 int err;
3107
3108 switch (cmd) {
3109 case MODULE_CMD_INIT:
3110 err = config_cfdriver_attach(&uaudio_cd);
3111 if (err) {
3112 return err;
3113 }
3114 err = config_cfattach_attach("uaudio", &uaudio_ca);
3115 if (err) {
3116 config_cfdriver_detach(&uaudio_cd);
3117 return err;
3118 }
3119 err = config_cfdata_attach(uaudio_cfdata, 1);
3120 if (err) {
3121 config_cfattach_detach("uaudio", &uaudio_ca);
3122 config_cfdriver_detach(&uaudio_cd);
3123 return err;
3124 }
3125 return 0;
3126 case MODULE_CMD_FINI:
3127 err = config_cfdata_detach(uaudio_cfdata);
3128 if (err)
3129 return err;
3130 config_cfattach_detach("uaudio", &uaudio_ca);
3131 config_cfdriver_detach(&uaudio_cd);
3132 return 0;
3133 default:
3134 return ENOTTY;
3135 }
3136 }
3137
3138 #endif
3139