uaudio.c revision 1.171 1 /* $NetBSD: uaudio.c,v 1.171 2021/06/13 07:51:09 mlelstv 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 1.171 2021/06/13 07:51:09 mlelstv 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;
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 if (rv)
535 return rv;
536 }
537
538 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
539
540 if (sc->sc_formats != NULL)
541 kmem_free(sc->sc_formats,
542 sizeof(struct audio_format) * sc->sc_nformats);
543
544 mutex_destroy(&sc->sc_lock);
545 mutex_destroy(&sc->sc_intr_lock);
546
547 return 0;
548 }
549
550 Static int
551 uaudio_query_format(void *addr, audio_format_query_t *afp)
552 {
553 struct uaudio_softc *sc;
554
555 sc = addr;
556 return audio_query_format(sc->sc_formats, sc->sc_nformats, afp);
557 }
558
559 Static const usb_interface_descriptor_t *
560 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
561 {
562 const usb_interface_descriptor_t *d;
563
564 while (*offsp < size) {
565 d = (const void *)(tbuf + *offsp);
566 *offsp += d->bLength;
567 if (d->bDescriptorType == UDESC_INTERFACE &&
568 d->bInterfaceClass == UICLASS_AUDIO &&
569 d->bInterfaceSubClass == subtype)
570 return d;
571 }
572 return NULL;
573 }
574
575 Static void
576 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
577 {
578 int res;
579 size_t len;
580 struct mixerctl *nmc;
581
582 if (mc->class < UAC_NCLASSES) {
583 DPRINTF("adding %s.%s\n", uac_names[mc->class], mc->ctlname);
584 } else {
585 DPRINTF("adding %s\n", mc->ctlname);
586 }
587 len = sizeof(*mc) * (sc->sc_nctls + 1);
588 nmc = kmem_alloc(len, KM_SLEEP);
589 /* Copy old data, if there was any */
590 if (sc->sc_nctls != 0) {
591 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
592 kmem_free(sc->sc_ctls, sizeof(*mc) * sc->sc_nctls);
593 }
594 sc->sc_ctls = nmc;
595
596 mc->delta = 0;
597 if (mc->type == MIX_ON_OFF) {
598 mc->minval = 0;
599 mc->maxval = 1;
600 } else if (mc->type == MIX_SELECTOR) {
601 ;
602 } else {
603 /* Determine min and max values. */
604 mc->minval = uaudio_signext(mc->type,
605 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
606 mc->wValue[0], mc->wIndex,
607 MIX_SIZE(mc->type)));
608 mc->maxval = 1 + uaudio_signext(mc->type,
609 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
610 mc->wValue[0], mc->wIndex,
611 MIX_SIZE(mc->type)));
612 mc->mul = mc->maxval - mc->minval;
613 if (mc->mul == 0)
614 mc->mul = 1;
615 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
616 mc->wValue[0], mc->wIndex,
617 MIX_SIZE(mc->type));
618 if (res > 0)
619 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
620 }
621
622 sc->sc_ctls[sc->sc_nctls++] = *mc;
623
624 #ifdef UAUDIO_DEBUG
625 if (uaudiodebug > 2) {
626 int i;
627
628 DPRINTFN_CLEAN(2, "wValue=%04x", mc->wValue[0]);
629 for (i = 1; i < mc->nchan; i++)
630 DPRINTFN_CLEAN(2, ",%04x", mc->wValue[i]);
631 DPRINTFN_CLEAN(2, " wIndex=%04x type=%d name='%s' unit='%s' "
632 "min=%d max=%d\n",
633 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
634 mc->minval, mc->maxval);
635 }
636 #endif
637 }
638
639 Static char *
640 uaudio_id_name(struct uaudio_softc *sc,
641 const struct io_terminal *iot, int id)
642 {
643 static char tbuf[32];
644
645 snprintf(tbuf, sizeof(tbuf), "i%d", id);
646 return tbuf;
647 }
648
649 #ifdef UAUDIO_DEBUG
650 Static void
651 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
652 {
653 static const char *channel_names[16] = {
654 "LEFT", "RIGHT", "CENTER", "LFE",
655 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
656 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
657 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
658 };
659 int cc, i, first;
660
661 cc = UGETW(cl->wChannelConfig);
662 printf("cluster: bNrChannels=%u wChannelConfig=%#.4x",
663 cl->bNrChannels, cc);
664 first = TRUE;
665 for (i = 0; cc != 0; i++) {
666 if (cc & 1) {
667 printf("%c%s", first ? '<' : ',', channel_names[i]);
668 first = FALSE;
669 }
670 cc = cc >> 1;
671 }
672 printf("> iChannelNames=%u", cl->iChannelNames);
673 }
674 #endif
675
676 Static struct usb_audio_cluster
677 uaudio_get_cluster(int id, const struct io_terminal *iot)
678 {
679 struct usb_audio_cluster r;
680 const uaudio_cs_descriptor_t *dp;
681 int i;
682
683 for (i = 0; i < 25; i++) { /* avoid infinite loops */
684 dp = iot[id].d.desc;
685 if (dp == 0)
686 goto bad;
687 switch (dp->bDescriptorSubtype) {
688 case UDESCSUB_AC_INPUT:
689 r.bNrChannels = iot[id].d.it->bNrChannels;
690 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
691 r.iChannelNames = iot[id].d.it->iChannelNames;
692 return r;
693 case UDESCSUB_AC_OUTPUT:
694 id = iot[id].d.ot->bSourceId;
695 break;
696 case UDESCSUB_AC_MIXER:
697 r = *(const struct usb_audio_cluster *)
698 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
699 return r;
700 case UDESCSUB_AC_SELECTOR:
701 /* XXX This is not really right */
702 id = iot[id].d.su->baSourceId[0];
703 break;
704 case UDESCSUB_AC_FEATURE:
705 id = iot[id].d.fu->bSourceId;
706 break;
707 case UDESCSUB_AC_PROCESSING:
708 r = *(const struct usb_audio_cluster *)
709 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
710 return r;
711 case UDESCSUB_AC_EXTENSION:
712 r = *(const struct usb_audio_cluster *)
713 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
714 return r;
715 default:
716 goto bad;
717 }
718 }
719 bad:
720 aprint_error("uaudio_get_cluster: bad data\n");
721 memset(&r, 0, sizeof(r));
722 return r;
723
724 }
725
726 Static void
727 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
728 {
729 const struct usb_audio_input_terminal *d;
730
731 d = iot[id].d.it;
732 #ifdef UAUDIO_DEBUG
733 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
734 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
735 "iChannelNames=%d iTerminal=%d\n",
736 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
737 d->bNrChannels, UGETW(d->wChannelConfig),
738 d->iChannelNames, d->iTerminal);
739 #endif
740 /* If USB input terminal, record wChannelConfig */
741 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
742 return;
743 sc->sc_channel_config = UGETW(d->wChannelConfig);
744 }
745
746 Static void
747 uaudio_add_output(struct uaudio_softc *sc,
748 const struct io_terminal *iot, int id)
749 {
750 #ifdef UAUDIO_DEBUG
751 const struct usb_audio_output_terminal *d;
752
753 d = iot[id].d.ot;
754 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
755 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
756 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
757 d->bSourceId, d->iTerminal);
758 #endif
759 }
760
761 Static void
762 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
763 {
764 const struct usb_audio_mixer_unit *d;
765 const struct usb_audio_mixer_unit_1 *d1;
766 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
767 const uByte *bm;
768 struct mixerctl mix;
769
770 d = iot[id].d.mu;
771 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
772 d->bUnitId, d->bNrInPins);
773
774 /* Compute the number of input channels */
775 ichs = 0;
776 for (i = 0; i < d->bNrInPins; i++)
777 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
778
779 /* and the number of output channels */
780 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
781 ochs = d1->bNrChannels;
782 DPRINTFN(2,"ichs=%d ochs=%d\n", ichs, ochs);
783
784 bm = d1->bmControls;
785 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
786 uaudio_determine_class(&iot[id], &mix);
787 mix.type = MIX_SIGNED_16;
788 mix.ctlunit = AudioNvolume;
789 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
790 for (p = i = 0; i < d->bNrInPins; i++) {
791 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
792 mc = 0;
793 for (c = 0; c < chs; c++) {
794 mo = 0;
795 for (o = 0; o < ochs; o++) {
796 bno = (p + c) * ochs + o;
797 if (_BIT(bno))
798 mo++;
799 }
800 if (mo == 1)
801 mc++;
802 }
803 if (mc == chs && chs <= MIX_MAX_CHAN) {
804 k = 0;
805 for (c = 0; c < chs; c++)
806 for (o = 0; o < ochs; o++) {
807 bno = (p + c) * ochs + o;
808 if (_BIT(bno))
809 mix.wValue[k++] =
810 MAKE(p+c+1, o+1);
811 }
812 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
813 d->bUnitId, uaudio_id_name(sc, iot,
814 d->baSourceId[i]));
815 mix.nchan = chs;
816 uaudio_mixer_add_ctl(sc, &mix);
817 } else {
818 /* XXX */
819 }
820 #undef _BIT
821 p += chs;
822 }
823
824 }
825
826 Static void
827 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
828 {
829 const struct usb_audio_selector_unit *d;
830 struct mixerctl mix;
831 int i, wp;
832
833 d = iot[id].d.su;
834 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
835 d->bUnitId, d->bNrInPins);
836 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
837 mix.wValue[0] = MAKE(0, 0);
838 uaudio_determine_class(&iot[id], &mix);
839 mix.nchan = 1;
840 mix.type = MIX_SELECTOR;
841 mix.ctlunit = "";
842 mix.minval = 1;
843 mix.maxval = d->bNrInPins;
844 mix.mul = mix.maxval - mix.minval;
845 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
846 for (i = 1; i <= d->bNrInPins; i++) {
847 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
848 "i%d", d->baSourceId[i - 1]);
849 if (wp > MAX_AUDIO_DEV_LEN - 1)
850 break;
851 }
852 uaudio_mixer_add_ctl(sc, &mix);
853 }
854
855 #ifdef UAUDIO_DEBUG
856 Static const char *
857 uaudio_get_terminal_name(int terminal_type)
858 {
859 static char tbuf[100];
860
861 switch (terminal_type) {
862 /* USB terminal types */
863 case UAT_UNDEFINED: return "UAT_UNDEFINED";
864 case UAT_STREAM: return "UAT_STREAM";
865 case UAT_VENDOR: return "UAT_VENDOR";
866 /* input terminal types */
867 case UATI_UNDEFINED: return "UATI_UNDEFINED";
868 case UATI_MICROPHONE: return "UATI_MICROPHONE";
869 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
870 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
871 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
872 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
873 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
874 /* output terminal types */
875 case UATO_UNDEFINED: return "UATO_UNDEFINED";
876 case UATO_SPEAKER: return "UATO_SPEAKER";
877 case UATO_HEADPHONES: return "UATO_HEADPHONES";
878 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
879 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
880 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
881 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
882 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
883 /* bidir terminal types */
884 case UATB_UNDEFINED: return "UATB_UNDEFINED";
885 case UATB_HANDSET: return "UATB_HANDSET";
886 case UATB_HEADSET: return "UATB_HEADSET";
887 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
888 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
889 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
890 /* telephony terminal types */
891 case UATT_UNDEFINED: return "UATT_UNDEFINED";
892 case UATT_PHONELINE: return "UATT_PHONELINE";
893 case UATT_TELEPHONE: return "UATT_TELEPHONE";
894 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
895 /* external terminal types */
896 case UATE_UNDEFINED: return "UATE_UNDEFINED";
897 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
898 case UATE_LINECONN: return "UATE_LINECONN";
899 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
900 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
901 case UATE_SPDIF: return "UATE_SPDIF";
902 case UATE_1394DA: return "UATE_1394DA";
903 case UATE_1394DV: return "UATE_1394DV";
904 /* embedded function terminal types */
905 case UATF_UNDEFINED: return "UATF_UNDEFINED";
906 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
907 case UATF_EQUNOISE: return "UATF_EQUNOISE";
908 case UATF_CDPLAYER: return "UATF_CDPLAYER";
909 case UATF_DAT: return "UATF_DAT";
910 case UATF_DCC: return "UATF_DCC";
911 case UATF_MINIDISK: return "UATF_MINIDISK";
912 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
913 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
914 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
915 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
916 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
917 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
918 case UATF_SATELLITE: return "UATF_SATELLITE";
919 case UATF_CABLETUNER: return "UATF_CABLETUNER";
920 case UATF_DSS: return "UATF_DSS";
921 case UATF_RADIORECV: return "UATF_RADIORECV";
922 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
923 case UATF_MULTITRACK: return "UATF_MULTITRACK";
924 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
925 default:
926 snprintf(tbuf, sizeof(tbuf), "unknown type (%#.4x)", terminal_type);
927 return tbuf;
928 }
929 }
930 #endif
931
932 Static int
933 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
934 {
935 int terminal_type;
936
937 if (iot == NULL || iot->output == NULL) {
938 mix->class = UAC_OUTPUT;
939 return 0;
940 }
941 terminal_type = 0;
942 if (iot->output->size == 1)
943 terminal_type = iot->output->terminals[0];
944 /*
945 * If the only output terminal is USB,
946 * the class is UAC_RECORD.
947 */
948 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
949 mix->class = UAC_RECORD;
950 if (iot->inputs_size == 1
951 && iot->inputs[0] != NULL
952 && iot->inputs[0]->size == 1)
953 return iot->inputs[0]->terminals[0];
954 else
955 return 0;
956 }
957 /*
958 * If the ultimate destination of the unit is just one output
959 * terminal and the unit is connected to the output terminal
960 * directly, the class is UAC_OUTPUT.
961 */
962 if (terminal_type != 0 && iot->direct) {
963 mix->class = UAC_OUTPUT;
964 return terminal_type;
965 }
966 /*
967 * If the unit is connected to just one input terminal,
968 * the class is UAC_INPUT.
969 */
970 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
971 && iot->inputs[0]->size == 1) {
972 mix->class = UAC_INPUT;
973 return iot->inputs[0]->terminals[0];
974 }
975 /*
976 * Otherwise, the class is UAC_OUTPUT.
977 */
978 mix->class = UAC_OUTPUT;
979 return terminal_type;
980 }
981
982 Static const char *
983 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
984 {
985 int terminal_type;
986
987 terminal_type = uaudio_determine_class(iot, mix);
988 if (mix->class == UAC_RECORD && terminal_type == 0)
989 return AudioNmixerout;
990 DPRINTF("terminal_type=%s\n", uaudio_get_terminal_name(terminal_type));
991 switch (terminal_type) {
992 case UAT_STREAM:
993 return AudioNdac;
994
995 case UATI_MICROPHONE:
996 case UATI_DESKMICROPHONE:
997 case UATI_PERSONALMICROPHONE:
998 case UATI_OMNIMICROPHONE:
999 case UATI_MICROPHONEARRAY:
1000 case UATI_PROCMICROPHONEARR:
1001 return AudioNmicrophone;
1002
1003 case UATO_SPEAKER:
1004 case UATO_DESKTOPSPEAKER:
1005 case UATO_ROOMSPEAKER:
1006 case UATO_COMMSPEAKER:
1007 return AudioNspeaker;
1008
1009 case UATO_HEADPHONES:
1010 return AudioNheadphone;
1011
1012 case UATO_SUBWOOFER:
1013 return AudioNlfe;
1014
1015 /* telephony terminal types */
1016 case UATT_UNDEFINED:
1017 case UATT_PHONELINE:
1018 case UATT_TELEPHONE:
1019 case UATT_DOWNLINEPHONE:
1020 return "phone";
1021
1022 case UATE_ANALOGCONN:
1023 case UATE_LINECONN:
1024 case UATE_LEGACYCONN:
1025 return AudioNline;
1026
1027 case UATE_DIGITALAUIFC:
1028 case UATE_SPDIF:
1029 case UATE_1394DA:
1030 case UATE_1394DV:
1031 return AudioNaux;
1032
1033 case UATF_CDPLAYER:
1034 return AudioNcd;
1035
1036 case UATF_SYNTHESIZER:
1037 return AudioNfmsynth;
1038
1039 case UATF_VIDEODISCAUDIO:
1040 case UATF_DVDAUDIO:
1041 case UATF_TVTUNERAUDIO:
1042 return AudioNvideo;
1043
1044 case UAT_UNDEFINED:
1045 case UAT_VENDOR:
1046 case UATI_UNDEFINED:
1047 /* output terminal types */
1048 case UATO_UNDEFINED:
1049 case UATO_DISPLAYAUDIO:
1050 /* bidir terminal types */
1051 case UATB_UNDEFINED:
1052 case UATB_HANDSET:
1053 case UATB_HEADSET:
1054 case UATB_SPEAKERPHONE:
1055 case UATB_SPEAKERPHONEESUP:
1056 case UATB_SPEAKERPHONEECANC:
1057 /* external terminal types */
1058 case UATE_UNDEFINED:
1059 /* embedded function terminal types */
1060 case UATF_UNDEFINED:
1061 case UATF_CALIBNOISE:
1062 case UATF_EQUNOISE:
1063 case UATF_DAT:
1064 case UATF_DCC:
1065 case UATF_MINIDISK:
1066 case UATF_ANALOGTAPE:
1067 case UATF_PHONOGRAPH:
1068 case UATF_VCRAUDIO:
1069 case UATF_SATELLITE:
1070 case UATF_CABLETUNER:
1071 case UATF_DSS:
1072 case UATF_RADIORECV:
1073 case UATF_RADIOXMIT:
1074 case UATF_MULTITRACK:
1075 case 0xffff:
1076 default:
1077 DPRINTF("'master' for %#.4x\n", terminal_type);
1078 return AudioNmaster;
1079 }
1080 return AudioNmaster;
1081 }
1082
1083 Static void
1084 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1085 {
1086 const struct usb_audio_feature_unit *d;
1087 const uByte *ctls;
1088 int ctlsize;
1089 int nchan;
1090 u_int fumask, mmask, cmask;
1091 struct mixerctl mix;
1092 int chan, ctl, i, unit;
1093 const char *mixername;
1094
1095 #define GET(i) (ctls[(i)*ctlsize] | \
1096 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1097 d = iot[id].d.fu;
1098 ctls = d->bmaControls;
1099 ctlsize = d->bControlSize;
1100 if (ctlsize == 0) {
1101 DPRINTF("ignoring feature %d with controlSize of zero\n", id);
1102 return;
1103 }
1104 nchan = (d->bLength - 7) / ctlsize;
1105 mmask = GET(0);
1106 /* Figure out what we can control */
1107 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1108 DPRINTFN(9,"chan=%d mask=%x\n",
1109 chan, GET(chan));
1110 cmask |= GET(chan);
1111 }
1112
1113 DPRINTFN(1,"bUnitId=%d, "
1114 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1115 d->bUnitId, nchan, mmask, cmask);
1116
1117 if (nchan > MIX_MAX_CHAN)
1118 nchan = MIX_MAX_CHAN;
1119 unit = d->bUnitId;
1120 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1121 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1122 fumask = FU_MASK(ctl);
1123 DPRINTFN(4,"ctl=%d fumask=0x%04x\n",
1124 ctl, fumask);
1125 if (mmask & fumask) {
1126 mix.nchan = 1;
1127 mix.wValue[0] = MAKE(ctl, 0);
1128 } else if (cmask & fumask) {
1129 mix.nchan = nchan - 1;
1130 for (i = 1; i < nchan; i++) {
1131 if (GET(i) & fumask)
1132 mix.wValue[i-1] = MAKE(ctl, i);
1133 else
1134 mix.wValue[i-1] = -1;
1135 }
1136 } else {
1137 continue;
1138 }
1139 #undef GET
1140 mixername = uaudio_feature_name(&iot[id], &mix);
1141 switch (ctl) {
1142 case MUTE_CONTROL:
1143 mix.type = MIX_ON_OFF;
1144 mix.ctlunit = "";
1145 snprintf(mix.ctlname, sizeof(mix.ctlname),
1146 "%s.%s", mixername, AudioNmute);
1147 break;
1148 case VOLUME_CONTROL:
1149 mix.type = MIX_SIGNED_16;
1150 mix.ctlunit = AudioNvolume;
1151 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1152 break;
1153 case BASS_CONTROL:
1154 mix.type = MIX_SIGNED_8;
1155 mix.ctlunit = AudioNbass;
1156 snprintf(mix.ctlname, sizeof(mix.ctlname),
1157 "%s.%s", mixername, AudioNbass);
1158 break;
1159 case MID_CONTROL:
1160 mix.type = MIX_SIGNED_8;
1161 mix.ctlunit = AudioNmid;
1162 snprintf(mix.ctlname, sizeof(mix.ctlname),
1163 "%s.%s", mixername, AudioNmid);
1164 break;
1165 case TREBLE_CONTROL:
1166 mix.type = MIX_SIGNED_8;
1167 mix.ctlunit = AudioNtreble;
1168 snprintf(mix.ctlname, sizeof(mix.ctlname),
1169 "%s.%s", mixername, AudioNtreble);
1170 break;
1171 case GRAPHIC_EQUALIZER_CONTROL:
1172 continue; /* XXX don't add anything */
1173 break;
1174 case AGC_CONTROL:
1175 mix.type = MIX_ON_OFF;
1176 mix.ctlunit = "";
1177 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1178 mixername, AudioNagc);
1179 break;
1180 case DELAY_CONTROL:
1181 mix.type = MIX_UNSIGNED_16;
1182 mix.ctlunit = "4 ms";
1183 snprintf(mix.ctlname, sizeof(mix.ctlname),
1184 "%s.%s", mixername, AudioNdelay);
1185 break;
1186 case BASS_BOOST_CONTROL:
1187 mix.type = MIX_ON_OFF;
1188 mix.ctlunit = "";
1189 snprintf(mix.ctlname, sizeof(mix.ctlname),
1190 "%s.%s", mixername, AudioNbassboost);
1191 break;
1192 case LOUDNESS_CONTROL:
1193 mix.type = MIX_ON_OFF;
1194 mix.ctlunit = "";
1195 snprintf(mix.ctlname, sizeof(mix.ctlname),
1196 "%s.%s", mixername, AudioNloudness);
1197 break;
1198 }
1199 uaudio_mixer_add_ctl(sc, &mix);
1200 }
1201 }
1202
1203 Static void
1204 uaudio_add_processing_updown(struct uaudio_softc *sc,
1205 const struct io_terminal *iot, int id)
1206 {
1207 const struct usb_audio_processing_unit *d;
1208 const struct usb_audio_processing_unit_1 *d1;
1209 const struct usb_audio_processing_unit_updown *ud;
1210 struct mixerctl mix;
1211 int i;
1212
1213 d = iot[id].d.pu;
1214 d1 = (const struct usb_audio_processing_unit_1 *)
1215 &d->baSourceId[d->bNrInPins];
1216 ud = (const struct usb_audio_processing_unit_updown *)
1217 &d1->bmControls[d1->bControlSize];
1218 DPRINTFN(2,"bUnitId=%d bNrModes=%d\n",
1219 d->bUnitId, ud->bNrModes);
1220
1221 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1222 DPRINTF("%s", "no mode select\n");
1223 return;
1224 }
1225
1226 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1227 mix.nchan = 1;
1228 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1229 uaudio_determine_class(&iot[id], &mix);
1230 mix.type = MIX_ON_OFF; /* XXX */
1231 mix.ctlunit = "";
1232 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1233
1234 for (i = 0; i < ud->bNrModes; i++) {
1235 DPRINTFN(2,"i=%d bm=%#x\n",
1236 i, UGETW(ud->waModes[i]));
1237 /* XXX */
1238 }
1239 uaudio_mixer_add_ctl(sc, &mix);
1240 }
1241
1242 Static void
1243 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1244 {
1245 const struct usb_audio_processing_unit *d;
1246 const struct usb_audio_processing_unit_1 *d1;
1247 int ptype;
1248 struct mixerctl mix;
1249
1250 d = iot[id].d.pu;
1251 d1 = (const struct usb_audio_processing_unit_1 *)
1252 &d->baSourceId[d->bNrInPins];
1253 ptype = UGETW(d->wProcessType);
1254 DPRINTFN(2,"wProcessType=%d bUnitId=%d "
1255 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins);
1256
1257 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1258 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1259 mix.nchan = 1;
1260 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1261 uaudio_determine_class(&iot[id], &mix);
1262 mix.type = MIX_ON_OFF;
1263 mix.ctlunit = "";
1264 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1265 d->bUnitId, ptype);
1266 uaudio_mixer_add_ctl(sc, &mix);
1267 }
1268
1269 switch(ptype) {
1270 case UPDOWNMIX_PROCESS:
1271 uaudio_add_processing_updown(sc, iot, id);
1272 break;
1273 case DOLBY_PROLOGIC_PROCESS:
1274 case P3D_STEREO_EXTENDER_PROCESS:
1275 case REVERBATION_PROCESS:
1276 case CHORUS_PROCESS:
1277 case DYN_RANGE_COMP_PROCESS:
1278 default:
1279 #ifdef UAUDIO_DEBUG
1280 aprint_debug(
1281 "uaudio_add_processing: unit %d, type=%d not impl.\n",
1282 d->bUnitId, ptype);
1283 #endif
1284 break;
1285 }
1286 }
1287
1288 Static void
1289 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1290 {
1291 const struct usb_audio_extension_unit *d;
1292 const struct usb_audio_extension_unit_1 *d1;
1293 struct mixerctl mix;
1294
1295 d = iot[id].d.eu;
1296 d1 = (const struct usb_audio_extension_unit_1 *)
1297 &d->baSourceId[d->bNrInPins];
1298 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
1299 d->bUnitId, d->bNrInPins);
1300
1301 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1302 return;
1303
1304 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1305 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1306 mix.nchan = 1;
1307 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1308 uaudio_determine_class(&iot[id], &mix);
1309 mix.type = MIX_ON_OFF;
1310 mix.ctlunit = "";
1311 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1312 d->bUnitId);
1313 uaudio_mixer_add_ctl(sc, &mix);
1314 }
1315 }
1316
1317 Static struct terminal_list*
1318 uaudio_merge_terminal_list(const struct io_terminal *iot)
1319 {
1320 struct terminal_list *tml;
1321 uint16_t *ptm;
1322 int i, len;
1323
1324 len = 0;
1325 if (iot->inputs == NULL)
1326 return NULL;
1327 for (i = 0; i < iot->inputs_size; i++) {
1328 if (iot->inputs[i] != NULL)
1329 len += iot->inputs[i]->size;
1330 }
1331 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1332 if (tml == NULL) {
1333 aprint_error("uaudio_merge_terminal_list: no memory\n");
1334 return NULL;
1335 }
1336 tml->size = 0;
1337 ptm = tml->terminals;
1338 for (i = 0; i < iot->inputs_size; i++) {
1339 if (iot->inputs[i] == NULL)
1340 continue;
1341 if (iot->inputs[i]->size > len)
1342 break;
1343 memcpy(ptm, iot->inputs[i]->terminals,
1344 iot->inputs[i]->size * sizeof(uint16_t));
1345 tml->size += iot->inputs[i]->size;
1346 ptm += iot->inputs[i]->size;
1347 len -= iot->inputs[i]->size;
1348 }
1349 return tml;
1350 }
1351
1352 Static struct terminal_list *
1353 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1354 {
1355 struct terminal_list *tml;
1356 struct io_terminal *it;
1357 int src_id, i;
1358
1359 it = &iot[id];
1360 if (it->output != NULL) {
1361 /* already has outtype? */
1362 for (i = 0; i < it->output->size; i++)
1363 if (it->output->terminals[i] == outtype)
1364 return uaudio_merge_terminal_list(it);
1365 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1366 M_TEMP, M_NOWAIT);
1367 if (tml == NULL) {
1368 aprint_error("uaudio_io_terminaltype: no memory\n");
1369 return uaudio_merge_terminal_list(it);
1370 }
1371 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1372 tml->terminals[it->output->size] = outtype;
1373 tml->size++;
1374 free(it->output, M_TEMP);
1375 it->output = tml;
1376 if (it->inputs != NULL) {
1377 for (i = 0; i < it->inputs_size; i++)
1378 if (it->inputs[i] != NULL)
1379 free(it->inputs[i], M_TEMP);
1380 free(it->inputs, M_TEMP);
1381 }
1382 it->inputs_size = 0;
1383 it->inputs = NULL;
1384 } else { /* end `iot[id] != NULL' */
1385 it->inputs_size = 0;
1386 it->inputs = NULL;
1387 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1388 if (it->output == NULL) {
1389 aprint_error("uaudio_io_terminaltype: no memory\n");
1390 return NULL;
1391 }
1392 it->output->terminals[0] = outtype;
1393 it->output->size = 1;
1394 it->direct = FALSE;
1395 }
1396
1397 switch (it->d.desc->bDescriptorSubtype) {
1398 case UDESCSUB_AC_INPUT:
1399 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1400 if (it->inputs == NULL) {
1401 aprint_error("uaudio_io_terminaltype: no memory\n");
1402 return NULL;
1403 }
1404 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1405 if (tml == NULL) {
1406 aprint_error("uaudio_io_terminaltype: no memory\n");
1407 free(it->inputs, M_TEMP);
1408 it->inputs = NULL;
1409 return NULL;
1410 }
1411 it->inputs[0] = tml;
1412 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1413 tml->size = 1;
1414 it->inputs_size = 1;
1415 return uaudio_merge_terminal_list(it);
1416 case UDESCSUB_AC_FEATURE:
1417 src_id = it->d.fu->bSourceId;
1418 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1419 if (it->inputs == NULL) {
1420 aprint_error("uaudio_io_terminaltype: no memory\n");
1421 return uaudio_io_terminaltype(outtype, iot, src_id);
1422 }
1423 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1424 it->inputs_size = 1;
1425 return uaudio_merge_terminal_list(it);
1426 case UDESCSUB_AC_OUTPUT:
1427 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1428 if (it->inputs == NULL) {
1429 aprint_error("uaudio_io_terminaltype: no memory\n");
1430 return NULL;
1431 }
1432 src_id = it->d.ot->bSourceId;
1433 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1434 it->inputs_size = 1;
1435 iot[src_id].direct = TRUE;
1436 return NULL;
1437 case UDESCSUB_AC_MIXER:
1438 it->inputs_size = 0;
1439 it->inputs = malloc(sizeof(struct terminal_list *)
1440 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1441 if (it->inputs == NULL) {
1442 aprint_error("uaudio_io_terminaltype: no memory\n");
1443 return NULL;
1444 }
1445 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1446 src_id = it->d.mu->baSourceId[i];
1447 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1448 src_id);
1449 it->inputs_size++;
1450 }
1451 return uaudio_merge_terminal_list(it);
1452 case UDESCSUB_AC_SELECTOR:
1453 it->inputs_size = 0;
1454 it->inputs = malloc(sizeof(struct terminal_list *)
1455 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1456 if (it->inputs == NULL) {
1457 aprint_error("uaudio_io_terminaltype: no memory\n");
1458 return NULL;
1459 }
1460 for (i = 0; i < it->d.su->bNrInPins; i++) {
1461 src_id = it->d.su->baSourceId[i];
1462 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1463 src_id);
1464 it->inputs_size++;
1465 }
1466 return uaudio_merge_terminal_list(it);
1467 case UDESCSUB_AC_PROCESSING:
1468 it->inputs_size = 0;
1469 it->inputs = malloc(sizeof(struct terminal_list *)
1470 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1471 if (it->inputs == NULL) {
1472 aprint_error("uaudio_io_terminaltype: no memory\n");
1473 return NULL;
1474 }
1475 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1476 src_id = it->d.pu->baSourceId[i];
1477 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1478 src_id);
1479 it->inputs_size++;
1480 }
1481 return uaudio_merge_terminal_list(it);
1482 case UDESCSUB_AC_EXTENSION:
1483 it->inputs_size = 0;
1484 it->inputs = malloc(sizeof(struct terminal_list *)
1485 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1486 if (it->inputs == NULL) {
1487 aprint_error("uaudio_io_terminaltype: no memory\n");
1488 return NULL;
1489 }
1490 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1491 src_id = it->d.eu->baSourceId[i];
1492 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1493 src_id);
1494 it->inputs_size++;
1495 }
1496 return uaudio_merge_terminal_list(it);
1497 case UDESCSUB_AC_HEADER:
1498 default:
1499 return NULL;
1500 }
1501 }
1502
1503 Static usbd_status
1504 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1505 {
1506 usbd_status err;
1507
1508 err = uaudio_identify_ac(sc, cdesc);
1509 if (err)
1510 return err;
1511 return uaudio_identify_as(sc, cdesc);
1512 }
1513
1514 Static void
1515 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1516 {
1517 size_t len;
1518 struct as_info *nai;
1519
1520 len = sizeof(*ai) * (sc->sc_nalts + 1);
1521 nai = kmem_alloc(len, KM_SLEEP);
1522 /* Copy old data, if there was any */
1523 if (sc->sc_nalts != 0) {
1524 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1525 kmem_free(sc->sc_alts, sizeof(*ai) * sc->sc_nalts);
1526 }
1527 sc->sc_alts = nai;
1528 DPRINTFN(2,"adding alt=%d, enc=%d\n",
1529 ai->alt, ai->encoding);
1530 sc->sc_alts[sc->sc_nalts++] = *ai;
1531 }
1532
1533 Static usbd_status
1534 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1535 int size, const usb_interface_descriptor_t *id)
1536 #define offs (*offsp)
1537 {
1538 const struct usb_audio_streaming_interface_descriptor *asid;
1539 const struct usb_audio_streaming_type1_descriptor *asf1d;
1540 const usb_endpoint_descriptor_audio_t *ed;
1541 const usb_endpoint_descriptor_audio_t *epdesc1;
1542 const struct usb_audio_streaming_endpoint_descriptor *sed;
1543 int format, chan __unused, prec, enc;
1544 int dir, type, sync;
1545 struct as_info ai;
1546 const char *format_str __unused;
1547
1548 asid = (const void *)(tbuf + offs);
1549 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1550 asid->bDescriptorSubtype != AS_GENERAL)
1551 return USBD_INVAL;
1552 DPRINTF("asid: bTerminalLink=%d wFormatTag=%d\n",
1553 asid->bTerminalLink, UGETW(asid->wFormatTag));
1554 offs += asid->bLength;
1555 if (offs > size)
1556 return USBD_INVAL;
1557
1558 asf1d = (const void *)(tbuf + offs);
1559 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1560 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1561 return USBD_INVAL;
1562 offs += asf1d->bLength;
1563 if (offs > size)
1564 return USBD_INVAL;
1565
1566 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1567 aprint_normal_dev(sc->sc_dev,
1568 "ignored setting with type %d format\n", UGETW(asid->wFormatTag));
1569 return USBD_NORMAL_COMPLETION;
1570 }
1571
1572 ed = (const void *)(tbuf + offs);
1573 if (ed->bDescriptorType != UDESC_ENDPOINT)
1574 return USBD_INVAL;
1575 DPRINTF("endpoint[0] bLength=%d bDescriptorType=%d "
1576 "bEndpointAddress=%d bmAttributes=%#x wMaxPacketSize=%d "
1577 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1578 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1579 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1580 ed->bInterval, ed->bRefresh, ed->bSynchAddress);
1581 offs += ed->bLength;
1582 if (offs > size)
1583 return USBD_INVAL;
1584 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1585 return USBD_INVAL;
1586
1587 dir = UE_GET_DIR(ed->bEndpointAddress);
1588 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1589 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1590 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1591 type = UE_ISO_ASYNC;
1592
1593 /* We can't handle endpoints that need a sync pipe yet. */
1594 sync = FALSE;
1595 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1596 sync = TRUE;
1597 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1598 aprint_normal_dev(sc->sc_dev,
1599 "ignored input endpoint of type adaptive\n");
1600 return USBD_NORMAL_COMPLETION;
1601 #endif
1602 }
1603 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1604 sync = TRUE;
1605 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1606 aprint_normal_dev(sc->sc_dev,
1607 "ignored output endpoint of type async\n");
1608 return USBD_NORMAL_COMPLETION;
1609 #endif
1610 }
1611
1612 sed = (const void *)(tbuf + offs);
1613 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1614 sed->bDescriptorSubtype != AS_GENERAL)
1615 return USBD_INVAL;
1616 DPRINTF(" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength);
1617 offs += sed->bLength;
1618 if (offs > size)
1619 return USBD_INVAL;
1620
1621 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1622 if (sync && id->bNumEndpoints <= 1) {
1623 aprint_error_dev(sc->sc_dev,
1624 "a sync-pipe endpoint but no other endpoint\n");
1625 return USBD_INVAL;
1626 }
1627 #endif
1628 if (!sync && id->bNumEndpoints > 1) {
1629 aprint_error_dev(sc->sc_dev,
1630 "non sync-pipe endpoint but multiple endpoints\n");
1631 return USBD_INVAL;
1632 }
1633 epdesc1 = NULL;
1634 if (id->bNumEndpoints > 1) {
1635 epdesc1 = (const void*)(tbuf + offs);
1636 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1637 return USBD_INVAL;
1638 DPRINTF("endpoint[1] bLength=%d "
1639 "bDescriptorType=%d bEndpointAddress=%d "
1640 "bmAttributes=%#x wMaxPacketSize=%d bInterval=%d "
1641 "bRefresh=%d bSynchAddress=%d\n",
1642 epdesc1->bLength, epdesc1->bDescriptorType,
1643 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1644 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1645 epdesc1->bRefresh, epdesc1->bSynchAddress);
1646 offs += epdesc1->bLength;
1647 if (offs > size)
1648 return USBD_INVAL;
1649 if (epdesc1->bSynchAddress != 0) {
1650 aprint_error_dev(sc->sc_dev,
1651 "invalid endpoint: bSynchAddress=0\n");
1652 return USBD_INVAL;
1653 }
1654 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1655 aprint_error_dev(sc->sc_dev,
1656 "invalid endpoint: bmAttributes=%#x\n",
1657 epdesc1->bmAttributes);
1658 return USBD_INVAL;
1659 }
1660 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1661 aprint_error_dev(sc->sc_dev,
1662 "invalid endpoint addresses: "
1663 "ep[0]->bSynchAddress=%#x "
1664 "ep[1]->bEndpointAddress=%#x\n",
1665 ed->bSynchAddress, epdesc1->bEndpointAddress);
1666 return USBD_INVAL;
1667 }
1668 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1669 }
1670
1671 format = UGETW(asid->wFormatTag);
1672 chan = asf1d->bNrChannels;
1673 prec = asf1d->bBitResolution;
1674 if (prec != 8 && prec != 16 && prec != 24) {
1675 aprint_normal_dev(sc->sc_dev,
1676 "ignored setting with precision %d\n", prec);
1677 return USBD_NORMAL_COMPLETION;
1678 }
1679 switch (format) {
1680 case UA_FMT_PCM:
1681 if (prec == 8) {
1682 sc->sc_altflags |= HAS_8;
1683 } else if (prec == 16) {
1684 sc->sc_altflags |= HAS_16;
1685 } else if (prec == 24) {
1686 sc->sc_altflags |= HAS_24;
1687 }
1688 enc = AUDIO_ENCODING_SLINEAR_LE;
1689 format_str = "pcm";
1690 break;
1691 case UA_FMT_PCM8:
1692 enc = AUDIO_ENCODING_ULINEAR_LE;
1693 sc->sc_altflags |= HAS_8U;
1694 format_str = "pcm8";
1695 break;
1696 case UA_FMT_ALAW:
1697 enc = AUDIO_ENCODING_ALAW;
1698 sc->sc_altflags |= HAS_ALAW;
1699 format_str = "alaw";
1700 break;
1701 case UA_FMT_MULAW:
1702 enc = AUDIO_ENCODING_ULAW;
1703 sc->sc_altflags |= HAS_MULAW;
1704 format_str = "mulaw";
1705 break;
1706 case UA_FMT_IEEE_FLOAT:
1707 default:
1708 aprint_normal_dev(sc->sc_dev,
1709 "ignored setting with format %d\n", format);
1710 return USBD_NORMAL_COMPLETION;
1711 }
1712 #ifdef UAUDIO_DEBUG
1713 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,",
1714 dir == UE_DIR_IN ? "recording" : "playback",
1715 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1716 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1717 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d),
1718 UA_SAMP_HI(asf1d));
1719 } else {
1720 int r;
1721 aprint_debug(" %d", UA_GETSAMP(asf1d, 0));
1722 for (r = 1; r < asf1d->bSamFreqType; r++)
1723 aprint_debug(",%d", UA_GETSAMP(asf1d, r));
1724 aprint_debug("Hz\n");
1725 }
1726 #endif
1727 ai.alt = id->bAlternateSetting;
1728 ai.encoding = enc;
1729 ai.attributes = sed->bmAttributes;
1730 ai.idesc = id;
1731 ai.edesc = ed;
1732 ai.edesc1 = epdesc1;
1733 ai.asf1desc = asf1d;
1734 ai.sc_busy = 0;
1735 ai.aformat = NULL;
1736 ai.ifaceh = NULL;
1737 uaudio_add_alt(sc, &ai);
1738 #ifdef UAUDIO_DEBUG
1739 if (ai.attributes & UA_SED_FREQ_CONTROL)
1740 DPRINTFN(1, "%s", "FREQ_CONTROL\n");
1741 if (ai.attributes & UA_SED_PITCH_CONTROL)
1742 DPRINTFN(1, "%s", "PITCH_CONTROL\n");
1743 #endif
1744 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1745
1746 return USBD_NORMAL_COMPLETION;
1747 }
1748 #undef offs
1749
1750 Static usbd_status
1751 uaudio_identify_as(struct uaudio_softc *sc,
1752 const usb_config_descriptor_t *cdesc)
1753 {
1754 const usb_interface_descriptor_t *id;
1755 const char *tbuf;
1756 struct audio_format *auf;
1757 const struct usb_audio_streaming_type1_descriptor *t1desc;
1758 int size, offs;
1759 int i, j;
1760
1761 size = UGETW(cdesc->wTotalLength);
1762 tbuf = (const char *)cdesc;
1763
1764 /* Locate the AudioStreaming interface descriptor. */
1765 offs = 0;
1766 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1767 if (id == NULL)
1768 return USBD_INVAL;
1769
1770 /* Loop through all the alternate settings. */
1771 while (offs <= size) {
1772 DPRINTFN(2, "interface=%d offset=%d\n",
1773 id->bInterfaceNumber, offs);
1774 switch (id->bNumEndpoints) {
1775 case 0:
1776 DPRINTFN(2, "AS null alt=%d\n",
1777 id->bAlternateSetting);
1778 sc->sc_nullalt = id->bAlternateSetting;
1779 break;
1780 case 1:
1781 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1782 case 2:
1783 #endif
1784 uaudio_process_as(sc, tbuf, &offs, size, id);
1785 break;
1786 default:
1787 aprint_error_dev(sc->sc_dev,
1788 "ignored audio interface with %d endpoints\n",
1789 id->bNumEndpoints);
1790 break;
1791 }
1792 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1793 if (id == NULL)
1794 break;
1795 }
1796 if (offs > size)
1797 return USBD_INVAL;
1798 DPRINTF("%d alts available\n", sc->sc_nalts);
1799
1800 if (sc->sc_mode == 0) {
1801 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n");
1802 return USBD_INVAL;
1803 }
1804
1805 /* build audio_format array */
1806 sc->sc_formats = kmem_zalloc(sizeof(struct audio_format) * sc->sc_nalts,
1807 KM_SLEEP);
1808 sc->sc_nformats = sc->sc_nalts;
1809 for (i = 0; i < sc->sc_nalts; i++) {
1810 auf = &sc->sc_formats[i];
1811 t1desc = sc->sc_alts[i].asf1desc;
1812 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1813 auf->mode = AUMODE_PLAY;
1814 else
1815 auf->mode = AUMODE_RECORD;
1816 auf->encoding = sc->sc_alts[i].encoding;
1817 auf->validbits = t1desc->bBitResolution;
1818 auf->precision = t1desc->bSubFrameSize * 8;
1819 auf->channels = t1desc->bNrChannels;
1820 auf->channel_mask = sc->sc_channel_config;
1821 auf->frequency_type = t1desc->bSamFreqType;
1822 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1823 auf->frequency[0] = UA_SAMP_LO(t1desc);
1824 auf->frequency[1] = UA_SAMP_HI(t1desc);
1825 } else {
1826 for (j = 0; j < t1desc->bSamFreqType; j++) {
1827 if (j >= AUFMT_MAX_FREQUENCIES) {
1828 aprint_error("%s: please increase "
1829 "AUFMT_MAX_FREQUENCIES to %d\n",
1830 __func__, t1desc->bSamFreqType);
1831 auf->frequency_type =
1832 AUFMT_MAX_FREQUENCIES;
1833 break;
1834 }
1835 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1836 }
1837 }
1838 sc->sc_alts[i].aformat = auf;
1839 }
1840
1841 return USBD_NORMAL_COMPLETION;
1842 }
1843
1844 #ifdef UAUDIO_DEBUG
1845 Static void
1846 uaudio_dump_tml(struct terminal_list *tml) {
1847 if (tml == NULL) {
1848 printf("NULL");
1849 } else {
1850 int i;
1851 for (i = 0; i < tml->size; i++)
1852 printf("%s ", uaudio_get_terminal_name
1853 (tml->terminals[i]));
1854 }
1855 printf("\n");
1856 }
1857 #endif
1858
1859 Static usbd_status
1860 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1861 {
1862 struct io_terminal* iot;
1863 const usb_interface_descriptor_t *id;
1864 const struct usb_audio_control_descriptor *acdp;
1865 const uaudio_cs_descriptor_t *dp;
1866 const struct usb_audio_output_terminal *pot;
1867 struct terminal_list *tml;
1868 const char *tbuf, *ibuf, *ibufend;
1869 int size, offs, ndps, i, j;
1870
1871 size = UGETW(cdesc->wTotalLength);
1872 tbuf = (const char *)cdesc;
1873
1874 /* Locate the AudioControl interface descriptor. */
1875 offs = 0;
1876 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1877 if (id == NULL)
1878 return USBD_INVAL;
1879 if (offs + sizeof(*acdp) > size)
1880 return USBD_INVAL;
1881 sc->sc_ac_iface = id->bInterfaceNumber;
1882 DPRINTFN(2,"AC interface is %d\n", sc->sc_ac_iface);
1883
1884 /* A class-specific AC interface header should follow. */
1885 ibuf = tbuf + offs;
1886 ibufend = tbuf + size;
1887 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1888 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1889 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1890 return USBD_INVAL;
1891
1892 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1893 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1894 return USBD_INVAL;
1895
1896 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1897 DPRINTFN(2, "found AC header, vers=%03x\n", sc->sc_audio_rev);
1898
1899 sc->sc_nullalt = -1;
1900
1901 /* Scan through all the AC specific descriptors */
1902 dp = (const uaudio_cs_descriptor_t *)ibuf;
1903 ndps = 0;
1904 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1905 if (iot == NULL) {
1906 aprint_error("%s: no memory\n", __func__);
1907 return USBD_NOMEM;
1908 }
1909 for (;;) {
1910 ibuf += dp->bLength;
1911 if (ibuf >= ibufend)
1912 break;
1913 dp = (const uaudio_cs_descriptor_t *)ibuf;
1914 if (ibuf + dp->bLength > ibufend) {
1915 free(iot, M_TEMP);
1916 return USBD_INVAL;
1917 }
1918 if (dp->bDescriptorType != UDESC_CS_INTERFACE)
1919 break;
1920 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1921 iot[i].d.desc = dp;
1922 if (i > ndps)
1923 ndps = i;
1924 }
1925 ndps++;
1926
1927 /* construct io_terminal */
1928 for (i = 0; i < ndps; i++) {
1929 dp = iot[i].d.desc;
1930 if (dp == NULL)
1931 continue;
1932 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1933 continue;
1934 pot = iot[i].d.ot;
1935 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1936 if (tml != NULL)
1937 free(tml, M_TEMP);
1938 }
1939
1940 #ifdef UAUDIO_DEBUG
1941 for (i = 0; i < 256; i++) {
1942 struct usb_audio_cluster cluster;
1943
1944 if (iot[i].d.desc == NULL)
1945 continue;
1946 printf("id %d:\t", i);
1947 switch (iot[i].d.desc->bDescriptorSubtype) {
1948 case UDESCSUB_AC_INPUT:
1949 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1950 (UGETW(iot[i].d.it->wTerminalType)));
1951 printf("\t");
1952 cluster = uaudio_get_cluster(i, iot);
1953 uaudio_dump_cluster(&cluster);
1954 printf("\n");
1955 break;
1956 case UDESCSUB_AC_OUTPUT:
1957 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1958 (UGETW(iot[i].d.ot->wTerminalType)));
1959 printf("src=%d\n", iot[i].d.ot->bSourceId);
1960 break;
1961 case UDESCSUB_AC_MIXER:
1962 printf("AC_MIXER src=");
1963 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
1964 printf("%d ", iot[i].d.mu->baSourceId[j]);
1965 printf("\n\t");
1966 cluster = uaudio_get_cluster(i, iot);
1967 uaudio_dump_cluster(&cluster);
1968 printf("\n");
1969 break;
1970 case UDESCSUB_AC_SELECTOR:
1971 printf("AC_SELECTOR src=");
1972 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
1973 printf("%d ", iot[i].d.su->baSourceId[j]);
1974 printf("\n");
1975 break;
1976 case UDESCSUB_AC_FEATURE:
1977 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
1978 break;
1979 case UDESCSUB_AC_PROCESSING:
1980 printf("AC_PROCESSING src=");
1981 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
1982 printf("%d ", iot[i].d.pu->baSourceId[j]);
1983 printf("\n\t");
1984 cluster = uaudio_get_cluster(i, iot);
1985 uaudio_dump_cluster(&cluster);
1986 printf("\n");
1987 break;
1988 case UDESCSUB_AC_EXTENSION:
1989 printf("AC_EXTENSION src=");
1990 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
1991 printf("%d ", iot[i].d.eu->baSourceId[j]);
1992 printf("\n\t");
1993 cluster = uaudio_get_cluster(i, iot);
1994 uaudio_dump_cluster(&cluster);
1995 printf("\n");
1996 break;
1997 default:
1998 printf("unknown audio control (subtype=%d)\n",
1999 iot[i].d.desc->bDescriptorSubtype);
2000 }
2001 for (j = 0; j < iot[i].inputs_size; j++) {
2002 printf("\tinput%d: ", j);
2003 uaudio_dump_tml(iot[i].inputs[j]);
2004 }
2005 printf("\toutput: ");
2006 uaudio_dump_tml(iot[i].output);
2007 }
2008 #endif
2009
2010 for (i = 0; i < ndps; i++) {
2011 dp = iot[i].d.desc;
2012 if (dp == NULL)
2013 continue;
2014 DPRINTF("id=%d subtype=%d\n", i, dp->bDescriptorSubtype);
2015 switch (dp->bDescriptorSubtype) {
2016 case UDESCSUB_AC_HEADER:
2017 aprint_error("uaudio_identify_ac: unexpected AC header\n");
2018 break;
2019 case UDESCSUB_AC_INPUT:
2020 uaudio_add_input(sc, iot, i);
2021 break;
2022 case UDESCSUB_AC_OUTPUT:
2023 uaudio_add_output(sc, iot, i);
2024 break;
2025 case UDESCSUB_AC_MIXER:
2026 uaudio_add_mixer(sc, iot, i);
2027 break;
2028 case UDESCSUB_AC_SELECTOR:
2029 uaudio_add_selector(sc, iot, i);
2030 break;
2031 case UDESCSUB_AC_FEATURE:
2032 uaudio_add_feature(sc, iot, i);
2033 break;
2034 case UDESCSUB_AC_PROCESSING:
2035 uaudio_add_processing(sc, iot, i);
2036 break;
2037 case UDESCSUB_AC_EXTENSION:
2038 uaudio_add_extension(sc, iot, i);
2039 break;
2040 default:
2041 aprint_error(
2042 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2043 dp->bDescriptorSubtype);
2044 break;
2045 }
2046 }
2047
2048 /* delete io_terminal */
2049 for (i = 0; i < 256; i++) {
2050 if (iot[i].d.desc == NULL)
2051 continue;
2052 if (iot[i].inputs != NULL) {
2053 for (j = 0; j < iot[i].inputs_size; j++) {
2054 if (iot[i].inputs[j] != NULL)
2055 free(iot[i].inputs[j], M_TEMP);
2056 }
2057 free(iot[i].inputs, M_TEMP);
2058 }
2059 if (iot[i].output != NULL)
2060 free(iot[i].output, M_TEMP);
2061 iot[i].d.desc = NULL;
2062 }
2063 free(iot, M_TEMP);
2064
2065 return USBD_NORMAL_COMPLETION;
2066 }
2067
2068 Static int
2069 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2070 {
2071 struct uaudio_softc *sc;
2072 struct mixerctl *mc;
2073 int n, nctls, i;
2074
2075 DPRINTFN(7, "index=%d\n", mi->index);
2076 sc = addr;
2077 if (sc->sc_dying)
2078 return EIO;
2079
2080 n = mi->index;
2081 nctls = sc->sc_nctls;
2082
2083 switch (n) {
2084 case UAC_OUTPUT:
2085 mi->type = AUDIO_MIXER_CLASS;
2086 mi->mixer_class = UAC_OUTPUT;
2087 mi->next = mi->prev = AUDIO_MIXER_LAST;
2088 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2089 return 0;
2090 case UAC_INPUT:
2091 mi->type = AUDIO_MIXER_CLASS;
2092 mi->mixer_class = UAC_INPUT;
2093 mi->next = mi->prev = AUDIO_MIXER_LAST;
2094 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2095 return 0;
2096 case UAC_EQUAL:
2097 mi->type = AUDIO_MIXER_CLASS;
2098 mi->mixer_class = UAC_EQUAL;
2099 mi->next = mi->prev = AUDIO_MIXER_LAST;
2100 strlcpy(mi->label.name, AudioCequalization,
2101 sizeof(mi->label.name));
2102 return 0;
2103 case UAC_RECORD:
2104 mi->type = AUDIO_MIXER_CLASS;
2105 mi->mixer_class = UAC_RECORD;
2106 mi->next = mi->prev = AUDIO_MIXER_LAST;
2107 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2108 return 0;
2109 default:
2110 break;
2111 }
2112
2113 n -= UAC_NCLASSES;
2114 if (n < 0 || n >= nctls)
2115 return ENXIO;
2116
2117 mc = &sc->sc_ctls[n];
2118 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2119 mi->mixer_class = mc->class;
2120 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2121 switch (mc->type) {
2122 case MIX_ON_OFF:
2123 mi->type = AUDIO_MIXER_ENUM;
2124 mi->un.e.num_mem = 2;
2125 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2126 sizeof(mi->un.e.member[0].label.name));
2127 mi->un.e.member[0].ord = 0;
2128 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2129 sizeof(mi->un.e.member[1].label.name));
2130 mi->un.e.member[1].ord = 1;
2131 break;
2132 case MIX_SELECTOR:
2133 mi->type = AUDIO_MIXER_ENUM;
2134 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2135 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2136 snprintf(mi->un.e.member[i].label.name,
2137 sizeof(mi->un.e.member[i].label.name),
2138 "%d", i + mc->minval);
2139 mi->un.e.member[i].ord = i + mc->minval;
2140 }
2141 break;
2142 default:
2143 mi->type = AUDIO_MIXER_VALUE;
2144 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2145 mi->un.v.num_channels = mc->nchan;
2146 mi->un.v.delta = mc->delta;
2147 break;
2148 }
2149 return 0;
2150 }
2151
2152 Static int
2153 uaudio_open(void *addr, int flags)
2154 {
2155 struct uaudio_softc *sc;
2156
2157 sc = addr;
2158 DPRINTF("sc=%p\n", sc);
2159 if (sc->sc_dying)
2160 return EIO;
2161
2162 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2163 return EACCES;
2164 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2165 return EACCES;
2166
2167 return 0;
2168 }
2169
2170 Static int
2171 uaudio_halt_out_dma(void *addr)
2172 {
2173 struct uaudio_softc *sc = addr;
2174
2175 DPRINTF("%s", "enter\n");
2176
2177 mutex_exit(&sc->sc_intr_lock);
2178 uaudio_halt_out_dma_unlocked(sc);
2179 mutex_enter(&sc->sc_intr_lock);
2180
2181 return 0;
2182 }
2183
2184 Static void
2185 uaudio_halt_out_dma_unlocked(struct uaudio_softc *sc)
2186 {
2187 if (sc->sc_playchan.pipe != NULL) {
2188 uaudio_chan_abort(sc, &sc->sc_playchan);
2189 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2190 uaudio_chan_close(sc, &sc->sc_playchan);
2191 sc->sc_playchan.intr = NULL;
2192 }
2193 }
2194
2195 Static int
2196 uaudio_halt_in_dma(void *addr)
2197 {
2198 struct uaudio_softc *sc = addr;
2199
2200 DPRINTF("%s", "enter\n");
2201
2202 mutex_exit(&sc->sc_intr_lock);
2203 uaudio_halt_in_dma_unlocked(sc);
2204 mutex_enter(&sc->sc_intr_lock);
2205
2206 return 0;
2207 }
2208
2209 Static void
2210 uaudio_halt_in_dma_unlocked(struct uaudio_softc *sc)
2211 {
2212 if (sc->sc_recchan.pipe != NULL) {
2213 uaudio_chan_abort(sc, &sc->sc_recchan);
2214 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2215 uaudio_chan_close(sc, &sc->sc_recchan);
2216 sc->sc_recchan.intr = NULL;
2217 }
2218 }
2219
2220 Static int
2221 uaudio_getdev(void *addr, struct audio_device *retp)
2222 {
2223 struct uaudio_softc *sc;
2224
2225 DPRINTF("%s", "\n");
2226 sc = addr;
2227 if (sc->sc_dying)
2228 return EIO;
2229
2230 *retp = sc->sc_adev;
2231 return 0;
2232 }
2233
2234 /*
2235 * Make sure the block size is large enough to hold all outstanding transfers.
2236 */
2237 Static int
2238 uaudio_round_blocksize(void *addr, int blk,
2239 int mode, const audio_params_t *param)
2240 {
2241 struct uaudio_softc *sc;
2242 int b;
2243
2244 sc = addr;
2245 DPRINTF("blk=%d mode=%s\n", blk,
2246 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD");
2247
2248 /* chan.bytes_per_frame can be 0. */
2249 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2250 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2251
2252 /*
2253 * This does not make accurate value in the case
2254 * of b % USB_FRAMES_PER_SECOND != 0
2255 */
2256 b /= USB_FRAMES_PER_SECOND;
2257
2258 b *= param->precision / 8 * param->channels;
2259 } else {
2260 /*
2261 * use wMaxPacketSize in bytes_per_frame.
2262 * See uaudio_set_format() and uaudio_chan_init()
2263 */
2264 b = sc->sc_recchan.bytes_per_frame
2265 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2266 }
2267
2268 if (b <= 0)
2269 b = 1;
2270 blk = blk <= b ? b : blk / b * b;
2271
2272 #ifdef DIAGNOSTIC
2273 if (blk <= 0) {
2274 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk);
2275 blk = 512;
2276 }
2277 #endif
2278
2279 DPRINTF("resultant blk=%d\n", blk);
2280 return blk;
2281 }
2282
2283 Static int
2284 uaudio_get_props(void *addr)
2285 {
2286 struct uaudio_softc *sc;
2287 int props;
2288
2289 sc = addr;
2290 props = 0;
2291 if ((sc->sc_mode & AUMODE_PLAY))
2292 props |= AUDIO_PROP_PLAYBACK;
2293 if ((sc->sc_mode & AUMODE_RECORD))
2294 props |= AUDIO_PROP_CAPTURE;
2295
2296 /* XXX I'm not sure all bidirectional devices support FULLDUP&INDEP */
2297 if (props == (AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE))
2298 props |= AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2299
2300 return props;
2301 }
2302
2303 Static void
2304 uaudio_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
2305 {
2306 struct uaudio_softc *sc;
2307
2308 sc = addr;
2309 *intr = &sc->sc_intr_lock;
2310 *thread = &sc->sc_lock;
2311 }
2312
2313 Static int
2314 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2315 int wIndex, int len)
2316 {
2317 usb_device_request_t req;
2318 uint8_t data[4];
2319 usbd_status err;
2320 int val;
2321
2322 if (wValue == -1)
2323 return 0;
2324
2325 req.bmRequestType = type;
2326 req.bRequest = which;
2327 USETW(req.wValue, wValue);
2328 USETW(req.wIndex, wIndex);
2329 USETW(req.wLength, len);
2330 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2331 "wIndex=0x%04x len=%d\n",
2332 type, which, wValue, wIndex, len);
2333 err = usbd_do_request(sc->sc_udev, &req, data);
2334 if (err) {
2335 DPRINTF("err=%s\n", usbd_errstr(err));
2336 return -1;
2337 }
2338 switch (len) {
2339 case 1:
2340 val = data[0];
2341 break;
2342 case 2:
2343 val = data[0] | (data[1] << 8);
2344 break;
2345 default:
2346 DPRINTF("bad length=%d\n", len);
2347 return -1;
2348 }
2349 DPRINTFN(2,"val=%d\n", val);
2350 return val;
2351 }
2352
2353 Static void
2354 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2355 int wIndex, int len, int val)
2356 {
2357 usb_device_request_t req;
2358 uint8_t data[4];
2359 int err __unused;
2360
2361 if (wValue == -1)
2362 return;
2363
2364 req.bmRequestType = type;
2365 req.bRequest = which;
2366 USETW(req.wValue, wValue);
2367 USETW(req.wIndex, wIndex);
2368 USETW(req.wLength, len);
2369 switch (len) {
2370 case 1:
2371 data[0] = val;
2372 break;
2373 case 2:
2374 data[0] = val;
2375 data[1] = val >> 8;
2376 break;
2377 default:
2378 return;
2379 }
2380 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2381 "wIndex=0x%04x len=%d, val=%d\n",
2382 type, which, wValue, wIndex, len, val & 0xffff);
2383 err = usbd_do_request(sc->sc_udev, &req, data);
2384 #ifdef UAUDIO_DEBUG
2385 if (err)
2386 DPRINTF("err=%d\n", err);
2387 #endif
2388 }
2389
2390 Static int
2391 uaudio_signext(int type, int val)
2392 {
2393 if (!MIX_UNSIGNED(type)) {
2394 if (MIX_SIZE(type) == 2)
2395 val = (int16_t)val;
2396 else
2397 val = (int8_t)val;
2398 }
2399 return val;
2400 }
2401
2402 Static int
2403 uaudio_value2bsd(struct mixerctl *mc, int val)
2404 {
2405 DPRINTFN(5, "type=%03x val=%d min=%d max=%d ",
2406 mc->type, val, mc->minval, mc->maxval);
2407 if (mc->type == MIX_ON_OFF) {
2408 val = (val != 0);
2409 } else if (mc->type == MIX_SELECTOR) {
2410 if (val < mc->minval || val > mc->maxval)
2411 val = mc->minval;
2412 } else
2413 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2414 + mc->mul/2) / mc->mul;
2415 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2416 return val;
2417 }
2418
2419 int
2420 uaudio_bsd2value(struct mixerctl *mc, int val)
2421 {
2422 DPRINTFN(5,"type=%03x val=%d min=%d max=%d ",
2423 mc->type, val, mc->minval, mc->maxval);
2424 if (mc->type == MIX_ON_OFF) {
2425 val = (val != 0);
2426 } else if (mc->type == MIX_SELECTOR) {
2427 if (val < mc->minval || val > mc->maxval)
2428 val = mc->minval;
2429 } else
2430 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2431 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2432 return val;
2433 }
2434
2435 Static int
2436 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2437 int chan)
2438 {
2439 int val;
2440
2441 DPRINTFN(5,"which=%d chan=%d\n", which, chan);
2442 mutex_exit(&sc->sc_lock);
2443 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2444 mc->wIndex, MIX_SIZE(mc->type));
2445 mutex_enter(&sc->sc_lock);
2446 return uaudio_value2bsd(mc, val);
2447 }
2448
2449 Static void
2450 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2451 int chan, int val)
2452 {
2453
2454 val = uaudio_bsd2value(mc, val);
2455 mutex_exit(&sc->sc_lock);
2456 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2457 mc->wIndex, MIX_SIZE(mc->type), val);
2458 mutex_enter(&sc->sc_lock);
2459 }
2460
2461 Static int
2462 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2463 {
2464 struct uaudio_softc *sc;
2465 struct mixerctl *mc;
2466 int i, n, vals[MIX_MAX_CHAN], val;
2467
2468 DPRINTFN(2, "index=%d\n", cp->dev);
2469 sc = addr;
2470 if (sc->sc_dying)
2471 return EIO;
2472
2473 n = cp->dev - UAC_NCLASSES;
2474 if (n < 0 || n >= sc->sc_nctls)
2475 return ENXIO;
2476 mc = &sc->sc_ctls[n];
2477
2478 if (mc->type == MIX_ON_OFF) {
2479 if (cp->type != AUDIO_MIXER_ENUM)
2480 return EINVAL;
2481 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2482 } else if (mc->type == MIX_SELECTOR) {
2483 if (cp->type != AUDIO_MIXER_ENUM)
2484 return EINVAL;
2485 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2486 } else {
2487 if (cp->type != AUDIO_MIXER_VALUE)
2488 return EINVAL;
2489 if (cp->un.value.num_channels != 1 &&
2490 cp->un.value.num_channels != mc->nchan)
2491 return EINVAL;
2492 for (i = 0; i < mc->nchan; i++)
2493 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2494 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2495 for (val = 0, i = 0; i < mc->nchan; i++)
2496 val += vals[i];
2497 vals[0] = val / mc->nchan;
2498 }
2499 for (i = 0; i < cp->un.value.num_channels; i++)
2500 cp->un.value.level[i] = vals[i];
2501 }
2502
2503 return 0;
2504 }
2505
2506 Static int
2507 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2508 {
2509 struct uaudio_softc *sc;
2510 struct mixerctl *mc;
2511 int i, n, vals[MIX_MAX_CHAN];
2512
2513 DPRINTFN(2, "index = %d\n", cp->dev);
2514 sc = addr;
2515 if (sc->sc_dying)
2516 return EIO;
2517
2518 n = cp->dev - UAC_NCLASSES;
2519 if (n < 0 || n >= sc->sc_nctls)
2520 return ENXIO;
2521 mc = &sc->sc_ctls[n];
2522
2523 if (mc->type == MIX_ON_OFF) {
2524 if (cp->type != AUDIO_MIXER_ENUM)
2525 return EINVAL;
2526 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2527 } else if (mc->type == MIX_SELECTOR) {
2528 if (cp->type != AUDIO_MIXER_ENUM)
2529 return EINVAL;
2530 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2531 } else {
2532 if (cp->type != AUDIO_MIXER_VALUE)
2533 return EINVAL;
2534 if (cp->un.value.num_channels == 1)
2535 for (i = 0; i < mc->nchan; i++)
2536 vals[i] = cp->un.value.level[0];
2537 else if (cp->un.value.num_channels == mc->nchan)
2538 for (i = 0; i < mc->nchan; i++)
2539 vals[i] = cp->un.value.level[i];
2540 else
2541 return EINVAL;
2542 for (i = 0; i < mc->nchan; i++)
2543 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2544 }
2545 return 0;
2546 }
2547
2548 Static int
2549 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2550 void (*intr)(void *), void *arg,
2551 const audio_params_t *param)
2552 {
2553 struct uaudio_softc *sc;
2554 struct chan *ch;
2555 usbd_status err;
2556 int i;
2557
2558 sc = addr;
2559 if (sc->sc_dying)
2560 return EIO;
2561
2562 DPRINTFN(3, "sc=%p start=%p end=%p "
2563 "blksize=%d\n", sc, start, end, blksize);
2564 ch = &sc->sc_recchan;
2565 uaudio_chan_set_param(ch, start, end, blksize);
2566 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2567 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2568 ch->fraction);
2569
2570 err = uaudio_chan_open(sc, ch);
2571 if (err) {
2572 return EIO;
2573 }
2574
2575 err = uaudio_chan_alloc_buffers(sc, ch);
2576 if (err) {
2577 uaudio_chan_close(sc, ch);
2578 return EIO;
2579 }
2580
2581
2582 ch->intr = intr;
2583 ch->arg = arg;
2584
2585 /*
2586 * Start as half as many channels for recording as for playback.
2587 * This stops playback from stuttering in full-duplex operation.
2588 */
2589 for (i = 0; i < UAUDIO_NCHANBUFS / 2; i++) {
2590 uaudio_chan_rtransfer(ch);
2591 }
2592
2593 return 0;
2594 }
2595
2596 Static int
2597 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2598 void (*intr)(void *), void *arg,
2599 const audio_params_t *param)
2600 {
2601 struct uaudio_softc *sc;
2602 struct chan *ch;
2603 usbd_status err;
2604 int i;
2605
2606 sc = addr;
2607 if (sc->sc_dying)
2608 return EIO;
2609
2610 DPRINTFN(3, "sc=%p start=%p end=%p "
2611 "blksize=%d\n", sc, start, end, blksize);
2612 ch = &sc->sc_playchan;
2613 uaudio_chan_set_param(ch, start, end, blksize);
2614 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2615 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2616 ch->fraction);
2617
2618 err = uaudio_chan_open(sc, ch);
2619 if (err) {
2620 return EIO;
2621 }
2622
2623 err = uaudio_chan_alloc_buffers(sc, ch);
2624 if (err) {
2625 uaudio_chan_close(sc, ch);
2626 return EIO;
2627 }
2628
2629 ch->intr = intr;
2630 ch->arg = arg;
2631
2632 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2633 uaudio_chan_ptransfer(ch);
2634
2635 return 0;
2636 }
2637
2638 /* Set up a pipe for a channel. */
2639 Static usbd_status
2640 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2641 {
2642 struct as_info *as;
2643 usb_device_descriptor_t *ddesc;
2644 int endpt;
2645 usbd_status err;
2646
2647 as = &sc->sc_alts[ch->altidx];
2648 endpt = as->edesc->bEndpointAddress;
2649 DPRINTF("endpt=0x%02x, speed=%d, alt=%d\n",
2650 endpt, ch->sample_rate, as->alt);
2651
2652 /* Set alternate interface corresponding to the mode. */
2653 err = usbd_set_interface(as->ifaceh, as->alt);
2654 if (err)
2655 return err;
2656
2657 /*
2658 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2659 */
2660 ddesc = usbd_get_device_descriptor(sc->sc_udev);
2661 if ((UGETW(ddesc->idVendor) != USB_VENDOR_ROLAND) &&
2662 (UGETW(ddesc->idProduct) != USB_PRODUCT_ROLAND_SD90)) {
2663 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2664 if (err) {
2665 DPRINTF("set_speed failed err=%s\n", usbd_errstr(err));
2666 }
2667 }
2668
2669 DPRINTF("create pipe to 0x%02x\n", endpt);
2670 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, &ch->pipe);
2671 if (err)
2672 return err;
2673 if (as->edesc1 != NULL) {
2674 endpt = as->edesc1->bEndpointAddress;
2675 DPRINTF("create sync-pipe to 0x%02x\n", endpt);
2676 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE,
2677 &ch->sync_pipe);
2678 }
2679 return err;
2680 }
2681
2682 Static void
2683 uaudio_chan_abort(struct uaudio_softc *sc, struct chan *ch)
2684 {
2685 struct usbd_pipe *pipe;
2686 struct as_info *as;
2687
2688 as = &sc->sc_alts[ch->altidx];
2689 as->sc_busy = 0;
2690 if (sc->sc_nullalt >= 0) {
2691 DPRINTF("set null alt=%d\n", sc->sc_nullalt);
2692 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2693 }
2694 pipe = ch->pipe;
2695 if (pipe) {
2696 usbd_abort_pipe(pipe);
2697 }
2698 pipe = ch->sync_pipe;
2699 if (pipe) {
2700 usbd_abort_pipe(pipe);
2701 }
2702 }
2703
2704 Static void
2705 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2706 {
2707 struct usbd_pipe *pipe;
2708
2709 pipe = atomic_swap_ptr(&ch->pipe, NULL);
2710 if (pipe) {
2711 usbd_close_pipe(pipe);
2712 }
2713 pipe = atomic_swap_ptr(&ch->sync_pipe, NULL);
2714 if (pipe) {
2715 usbd_close_pipe(pipe);
2716 }
2717 }
2718
2719 Static usbd_status
2720 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2721 {
2722 int i, size;
2723
2724 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2725 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2726 struct usbd_xfer *xfer;
2727
2728 int err = usbd_create_xfer(ch->pipe, size, 0, UAUDIO_NFRAMES,
2729 &xfer);
2730 if (err)
2731 goto bad;
2732
2733 ch->chanbufs[i].xfer = xfer;
2734 ch->chanbufs[i].buffer = usbd_get_buffer(xfer);
2735 ch->chanbufs[i].chan = ch;
2736 }
2737
2738 return USBD_NORMAL_COMPLETION;
2739
2740 bad:
2741 while (--i >= 0)
2742 /* implicit buffer free */
2743 usbd_destroy_xfer(ch->chanbufs[i].xfer);
2744 return USBD_NOMEM;
2745 }
2746
2747 Static void
2748 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2749 {
2750 int i;
2751
2752 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2753 usbd_destroy_xfer(ch->chanbufs[i].xfer);
2754 }
2755
2756 Static void
2757 uaudio_chan_ptransfer(struct chan *ch)
2758 {
2759 struct chanbuf *cb;
2760 int i, n, size, residue, total;
2761
2762 if (ch->sc->sc_dying)
2763 return;
2764
2765 /* Pick the next channel buffer. */
2766 cb = &ch->chanbufs[ch->curchanbuf];
2767 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2768 ch->curchanbuf = 0;
2769
2770 /* Compute the size of each frame in the next transfer. */
2771 residue = ch->residue;
2772 total = 0;
2773 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2774 size = ch->bytes_per_frame;
2775 residue += ch->fraction;
2776 if (residue >= USB_FRAMES_PER_SECOND) {
2777 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2778 size += ch->sample_size;
2779 residue -= USB_FRAMES_PER_SECOND;
2780 }
2781 cb->sizes[i] = size;
2782 total += size;
2783 }
2784 ch->residue = residue;
2785 cb->size = total;
2786
2787 /*
2788 * Transfer data from upper layer buffer to channel buffer, taking
2789 * care of wrapping the upper layer buffer.
2790 */
2791 n = uimin(total, ch->end - ch->cur);
2792 memcpy(cb->buffer, ch->cur, n);
2793 ch->cur += n;
2794 if (ch->cur >= ch->end)
2795 ch->cur = ch->start;
2796 if (total > n) {
2797 total -= n;
2798 memcpy(cb->buffer + n, ch->cur, total);
2799 ch->cur += total;
2800 }
2801
2802 #ifdef UAUDIO_DEBUG
2803 if (uaudiodebug > 8) {
2804 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2805 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2806 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2807 }
2808 }
2809 #endif
2810
2811 //DPRINTFN(5, "ptransfer xfer=%p\n", cb->xfer);
2812 /* Fill the request */
2813 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0,
2814 uaudio_chan_pintr);
2815
2816 (void)usbd_transfer(cb->xfer);
2817 }
2818
2819 Static void
2820 uaudio_chan_pintr(struct usbd_xfer *xfer, void *priv,
2821 usbd_status status)
2822 {
2823 struct chanbuf *cb;
2824 struct chan *ch;
2825 uint32_t count;
2826
2827 cb = priv;
2828 ch = cb->chan;
2829 /* Return if we are aborting. */
2830 if (status == USBD_CANCELLED)
2831 return;
2832
2833 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2834 DPRINTFN(5, "count=%d, transferred=%d\n",
2835 count, ch->transferred);
2836 #ifdef DIAGNOSTIC
2837 if (count != cb->size) {
2838 device_printf(ch->sc->sc_dev,
2839 "uaudio_chan_pintr: count(%d) != size(%d), status(%d)\n",
2840 count, cb->size, status);
2841 }
2842 #endif
2843
2844 mutex_enter(&ch->sc->sc_intr_lock);
2845 ch->transferred += cb->size;
2846 /* Call back to upper layer */
2847 while (ch->transferred >= ch->blksize) {
2848 ch->transferred -= ch->blksize;
2849 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2850 ch->intr(ch->arg);
2851 }
2852 mutex_exit(&ch->sc->sc_intr_lock);
2853
2854 /* start next transfer */
2855 uaudio_chan_ptransfer(ch);
2856 }
2857
2858 Static void
2859 uaudio_chan_rtransfer(struct chan *ch)
2860 {
2861 struct chanbuf *cb;
2862 int i, size, residue, total;
2863
2864 if (ch->sc->sc_dying)
2865 return;
2866
2867 /* Pick the next channel buffer. */
2868 cb = &ch->chanbufs[ch->curchanbuf];
2869 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2870 ch->curchanbuf = 0;
2871
2872 /* Compute the size of each frame in the next transfer. */
2873 residue = ch->residue;
2874 total = 0;
2875 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2876 size = ch->bytes_per_frame;
2877 cb->sizes[i] = size;
2878 cb->offsets[i] = total;
2879 total += size;
2880 }
2881 ch->residue = residue;
2882 cb->size = total;
2883
2884 #ifdef UAUDIO_DEBUG
2885 if (uaudiodebug > 8) {
2886 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2887 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2888 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2889 }
2890 }
2891 #endif
2892
2893 DPRINTFN(5, "transfer xfer=%p\n", cb->xfer);
2894 /* Fill the request */
2895 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0,
2896 uaudio_chan_rintr);
2897
2898 (void)usbd_transfer(cb->xfer);
2899 }
2900
2901 Static void
2902 uaudio_chan_rintr(struct usbd_xfer *xfer, void *priv,
2903 usbd_status status)
2904 {
2905 struct chanbuf *cb;
2906 struct chan *ch;
2907 uint32_t count;
2908 int i, n, frsize;
2909
2910 cb = priv;
2911 ch = cb->chan;
2912 /* Return if we are aborting. */
2913 if (status == USBD_CANCELLED)
2914 return;
2915
2916 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2917 DPRINTFN(5, "count=%d, transferred=%d\n", count, ch->transferred);
2918
2919 /* count < cb->size is normal for asynchronous source */
2920 #ifdef DIAGNOSTIC
2921 if (count > cb->size) {
2922 device_printf(ch->sc->sc_dev,
2923 "uaudio_chan_rintr: count(%d) > size(%d) status(%d)\n",
2924 count, cb->size, status);
2925 }
2926 #endif
2927
2928 /*
2929 * Transfer data from channel buffer to upper layer buffer, taking
2930 * care of wrapping the upper layer buffer.
2931 */
2932 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2933 frsize = cb->sizes[i];
2934 n = uimin(frsize, ch->end - ch->cur);
2935 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2936 ch->cur += n;
2937 if (ch->cur >= ch->end)
2938 ch->cur = ch->start;
2939 if (frsize > n) {
2940 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2941 frsize - n);
2942 ch->cur += frsize - n;
2943 }
2944 }
2945
2946 /* Call back to upper layer */
2947 mutex_enter(&ch->sc->sc_intr_lock);
2948 ch->transferred += count;
2949 while (ch->transferred >= ch->blksize) {
2950 ch->transferred -= ch->blksize;
2951 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2952 ch->intr(ch->arg);
2953 }
2954 mutex_exit(&ch->sc->sc_intr_lock);
2955
2956 /* start next transfer */
2957 uaudio_chan_rtransfer(ch);
2958 }
2959
2960 Static void
2961 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2962 int maxpktsize)
2963 {
2964 int samples_per_frame, sample_size;
2965
2966 ch->altidx = altidx;
2967 sample_size = param->precision * param->channels / 8;
2968 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2969 ch->sample_size = sample_size;
2970 ch->sample_rate = param->sample_rate;
2971 if (maxpktsize == 0) {
2972 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
2973 ch->bytes_per_frame = samples_per_frame * sample_size;
2974 } else {
2975 ch->fraction = 0;
2976 ch->bytes_per_frame = maxpktsize;
2977 }
2978 ch->residue = 0;
2979 }
2980
2981 Static void
2982 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
2983 {
2984
2985 ch->start = start;
2986 ch->end = end;
2987 ch->cur = start;
2988 ch->blksize = blksize;
2989 ch->transferred = 0;
2990 ch->curchanbuf = 0;
2991 }
2992
2993 Static int
2994 uaudio_set_format(void *addr, int setmode,
2995 const audio_params_t *play, const audio_params_t *rec,
2996 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
2997 {
2998 struct uaudio_softc *sc;
2999 int paltidx, raltidx;
3000
3001 sc = addr;
3002 paltidx = -1;
3003 raltidx = -1;
3004 if (sc->sc_dying)
3005 return EIO;
3006
3007 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3008 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
3009 }
3010 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3011 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
3012 }
3013
3014 /* Some uaudio devices are unidirectional. Don't try to find a
3015 matching mode for the unsupported direction. */
3016 setmode &= sc->sc_mode;
3017
3018 if ((setmode & AUMODE_PLAY)) {
3019 paltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats,
3020 AUMODE_PLAY, play);
3021 /* Transfer should have halted */
3022 uaudio_chan_init(&sc->sc_playchan, paltidx, play, 0);
3023 }
3024 if ((setmode & AUMODE_RECORD)) {
3025 raltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats,
3026 AUMODE_RECORD, rec);
3027 /* Transfer should have halted */
3028 uaudio_chan_init(&sc->sc_recchan, raltidx, rec,
3029 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3030 }
3031
3032 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3033 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3034 }
3035 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3036 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3037 }
3038
3039 DPRINTF("use altidx=p%d/r%d, altno=p%d/r%d\n",
3040 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3041 (sc->sc_playchan.altidx >= 0)
3042 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3043 : -1,
3044 (sc->sc_recchan.altidx >= 0)
3045 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3046 : -1);
3047
3048 return 0;
3049 }
3050
3051 Static usbd_status
3052 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3053 {
3054 usb_device_request_t req;
3055 usbd_status err;
3056 uint8_t data[3];
3057
3058 DPRINTFN(5, "endpt=%d speed=%u\n", endpt, speed);
3059 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3060 req.bRequest = SET_CUR;
3061 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3062 USETW(req.wIndex, endpt);
3063 USETW(req.wLength, 3);
3064 data[0] = speed;
3065 data[1] = speed >> 8;
3066 data[2] = speed >> 16;
3067
3068 err = usbd_do_request(sc->sc_udev, &req, data);
3069
3070 return err;
3071 }
3072
3073 #ifdef _MODULE
3074
3075 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL);
3076
3077 static const struct cfiattrdata audiobuscf_iattrdata = {
3078 "audiobus", 0, { { NULL, NULL, 0 }, }
3079 };
3080 static const struct cfiattrdata * const uaudio_attrs[] = {
3081 &audiobuscf_iattrdata, NULL
3082 };
3083 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs);
3084 extern struct cfattach uaudio_ca;
3085 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = {
3086 -1/*USBIFIFCF_PORT_DEFAULT*/,
3087 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/,
3088 -1/*USBIFIFCF_INTERFACE_DEFAULT*/,
3089 -1/*USBIFIFCF_VENDOR_DEFAULT*/,
3090 -1/*USBIFIFCF_PRODUCT_DEFAULT*/,
3091 -1/*USBIFIFCF_RELEASE_DEFAULT*/};
3092 static struct cfparent uhubparent = {
3093 "usbifif", NULL, DVUNIT_ANY
3094 };
3095 static struct cfdata uaudio_cfdata[] = {
3096 {
3097 .cf_name = "uaudio",
3098 .cf_atname = "uaudio",
3099 .cf_unit = 0,
3100 .cf_fstate = FSTATE_STAR,
3101 .cf_loc = uaudioloc,
3102 .cf_flags = 0,
3103 .cf_pspec = &uhubparent,
3104 },
3105 { NULL }
3106 };
3107
3108 static int
3109 uaudio_modcmd(modcmd_t cmd, void *arg)
3110 {
3111 int err;
3112
3113 switch (cmd) {
3114 case MODULE_CMD_INIT:
3115 err = config_cfdriver_attach(&uaudio_cd);
3116 if (err) {
3117 return err;
3118 }
3119 err = config_cfattach_attach("uaudio", &uaudio_ca);
3120 if (err) {
3121 config_cfdriver_detach(&uaudio_cd);
3122 return err;
3123 }
3124 err = config_cfdata_attach(uaudio_cfdata, 1);
3125 if (err) {
3126 config_cfattach_detach("uaudio", &uaudio_ca);
3127 config_cfdriver_detach(&uaudio_cd);
3128 return err;
3129 }
3130 return 0;
3131 case MODULE_CMD_FINI:
3132 err = config_cfdata_detach(uaudio_cfdata);
3133 if (err)
3134 return err;
3135 config_cfattach_detach("uaudio", &uaudio_ca);
3136 config_cfdriver_detach(&uaudio_cd);
3137 return 0;
3138 default:
3139 return ENOTTY;
3140 }
3141 }
3142
3143 #endif
3144