uaudio.c revision 1.145 1 /* $NetBSD: uaudio.c,v 1.145 2016/03/13 07:01:43 skrll 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 1.145 2016/03/13 07:01:43 skrll 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_if.h>
65 #include <dev/audiovar.h>
66 #include <dev/mulaw.h>
67 #include <dev/auconv.h>
68
69 #include <dev/usb/usb.h>
70 #include <dev/usb/usbdi.h>
71 #include <dev/usb/usbdivar.h>
72 #include <dev/usb/usbdi_util.h>
73 #include <dev/usb/usb_quirks.h>
74
75 #include <dev/usb/usbdevs.h>
76
77 #include <dev/usb/uaudioreg.h>
78
79 /* #define UAUDIO_DEBUG */
80 /* #define UAUDIO_MULTIPLE_ENDPOINTS */
81 #ifdef UAUDIO_DEBUG
82 #define DPRINTF(x,y...) do { \
83 if (uaudiodebug) { \
84 struct lwp *l = curlwp; \
85 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \
86 } \
87 } while (0)
88 #define DPRINTFN_CLEAN(n,x...) do { \
89 if (uaudiodebug > (n)) \
90 printf(x); \
91 } while (0)
92 #define DPRINTFN(n,x,y...) do { \
93 if (uaudiodebug > (n)) { \
94 struct lwp *l = curlwp; \
95 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \
96 } \
97 } while (0)
98 int uaudiodebug = 0;
99 #else
100 #define DPRINTF(x,y...)
101 #define DPRINTFN_CLEAN(n,x...)
102 #define DPRINTFN(n,x,y...)
103 #endif
104
105 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */
106 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */
107
108
109 #define MIX_MAX_CHAN 8
110 struct mixerctl {
111 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */
112 uint16_t wIndex;
113 uint8_t nchan;
114 uint8_t type;
115 #define MIX_ON_OFF 1
116 #define MIX_SIGNED_16 2
117 #define MIX_UNSIGNED_16 3
118 #define MIX_SIGNED_8 4
119 #define MIX_SELECTOR 5
120 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1)
121 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16)
122 int minval, maxval;
123 u_int delta;
124 u_int mul;
125 uint8_t class;
126 char ctlname[MAX_AUDIO_DEV_LEN];
127 const char *ctlunit;
128 };
129 #define MAKE(h,l) (((h) << 8) | (l))
130
131 struct as_info {
132 uint8_t alt;
133 uint8_t encoding;
134 uint8_t attributes; /* Copy of bmAttributes of
135 * usb_audio_streaming_endpoint_descriptor
136 */
137 usbd_interface_handle ifaceh;
138 const usb_interface_descriptor_t *idesc;
139 const usb_endpoint_descriptor_audio_t *edesc;
140 const usb_endpoint_descriptor_audio_t *edesc1;
141 const struct usb_audio_streaming_type1_descriptor *asf1desc;
142 struct audio_format *aformat;
143 int sc_busy; /* currently used */
144 };
145
146 struct chan {
147 void (*intr)(void *); /* DMA completion intr handler */
148 void *arg; /* arg for intr() */
149 usbd_pipe_handle pipe;
150 usbd_pipe_handle sync_pipe;
151
152 u_int sample_size;
153 u_int sample_rate;
154 u_int bytes_per_frame;
155 u_int fraction; /* fraction/1000 is the extra samples/frame */
156 u_int residue; /* accumulates the fractional samples */
157
158 u_char *start; /* upper layer buffer start */
159 u_char *end; /* upper layer buffer end */
160 u_char *cur; /* current position in upper layer buffer */
161 int blksize; /* chunk size to report up */
162 int transferred; /* transferred bytes not reported up */
163
164 int altidx; /* currently used altidx */
165
166 int curchanbuf;
167 struct chanbuf {
168 struct chan *chan;
169 usbd_xfer_handle xfer;
170 u_char *buffer;
171 uint16_t sizes[UAUDIO_NFRAMES];
172 uint16_t offsets[UAUDIO_NFRAMES];
173 uint16_t size;
174 } chanbufs[UAUDIO_NCHANBUFS];
175
176 struct uaudio_softc *sc; /* our softc */
177 };
178
179 /*
180 * XXX Locking notes:
181 *
182 * The MI USB audio subsystem is not MP-SAFE. Our strategy here
183 * is to ensure we have the kernel lock held when calling into
184 * usbd, and, generally, to have dropped the sc_intr_lock during
185 * these sections as well since the usb code will sleep.
186 */
187 struct uaudio_softc {
188 device_t sc_dev; /* base device */
189 kmutex_t sc_lock;
190 kmutex_t sc_intr_lock;
191 usbd_device_handle sc_udev; /* USB device */
192 int sc_ac_iface; /* Audio Control interface */
193 usbd_interface_handle sc_ac_ifaceh;
194 struct chan sc_playchan; /* play channel */
195 struct chan sc_recchan; /* record channel */
196 int sc_nullalt;
197 int sc_audio_rev;
198 struct as_info *sc_alts; /* alternate settings */
199 int sc_nalts; /* # of alternate settings */
200 int sc_altflags;
201 #define HAS_8 0x01
202 #define HAS_16 0x02
203 #define HAS_8U 0x04
204 #define HAS_ALAW 0x08
205 #define HAS_MULAW 0x10
206 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */
207 #define HAS_24 0x40
208 int sc_mode; /* play/record capability */
209 struct mixerctl *sc_ctls; /* mixer controls */
210 int sc_nctls; /* # of mixer controls */
211 device_t sc_audiodev;
212 struct audio_format *sc_formats;
213 int sc_nformats;
214 struct audio_encoding_set *sc_encodings;
215 u_int sc_channel_config;
216 char sc_dying;
217 struct audio_device sc_adev;
218 };
219
220 struct terminal_list {
221 int size;
222 uint16_t terminals[1];
223 };
224 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \
225 + sizeof(uint16_t) * (N))
226
227 struct io_terminal {
228 union {
229 const uaudio_cs_descriptor_t *desc;
230 const struct usb_audio_input_terminal *it;
231 const struct usb_audio_output_terminal *ot;
232 const struct usb_audio_mixer_unit *mu;
233 const struct usb_audio_selector_unit *su;
234 const struct usb_audio_feature_unit *fu;
235 const struct usb_audio_processing_unit *pu;
236 const struct usb_audio_extension_unit *eu;
237 } d;
238 int inputs_size;
239 struct terminal_list **inputs; /* list of source input terminals */
240 struct terminal_list *output; /* list of destination output terminals */
241 int direct; /* directly connected to an output terminal */
242 };
243
244 #define UAC_OUTPUT 0
245 #define UAC_INPUT 1
246 #define UAC_EQUAL 2
247 #define UAC_RECORD 3
248 #define UAC_NCLASSES 4
249 #ifdef UAUDIO_DEBUG
250 Static const char *uac_names[] = {
251 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord,
252 };
253 #endif
254
255 #ifdef UAUDIO_DEBUG
256 Static void uaudio_dump_tml
257 (struct terminal_list *tml);
258 #endif
259 Static usbd_status uaudio_identify_ac
260 (struct uaudio_softc *, const usb_config_descriptor_t *);
261 Static usbd_status uaudio_identify_as
262 (struct uaudio_softc *, const usb_config_descriptor_t *);
263 Static usbd_status uaudio_process_as
264 (struct uaudio_softc *, const char *, int *, int,
265 const usb_interface_descriptor_t *);
266
267 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *);
268
269 Static const usb_interface_descriptor_t *uaudio_find_iface
270 (const char *, int, int *, int);
271
272 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *);
273 Static char *uaudio_id_name
274 (struct uaudio_softc *, const struct io_terminal *, int);
275 #ifdef UAUDIO_DEBUG
276 Static void uaudio_dump_cluster(const struct usb_audio_cluster *);
277 #endif
278 Static struct usb_audio_cluster uaudio_get_cluster
279 (int, const struct io_terminal *);
280 Static void uaudio_add_input
281 (struct uaudio_softc *, const struct io_terminal *, int);
282 Static void uaudio_add_output
283 (struct uaudio_softc *, const struct io_terminal *, int);
284 Static void uaudio_add_mixer
285 (struct uaudio_softc *, const struct io_terminal *, int);
286 Static void uaudio_add_selector
287 (struct uaudio_softc *, const struct io_terminal *, int);
288 #ifdef UAUDIO_DEBUG
289 Static const char *uaudio_get_terminal_name(int);
290 #endif
291 Static int uaudio_determine_class
292 (const struct io_terminal *, struct mixerctl *);
293 Static const char *uaudio_feature_name
294 (const struct io_terminal *, struct mixerctl *);
295 Static void uaudio_add_feature
296 (struct uaudio_softc *, const struct io_terminal *, int);
297 Static void uaudio_add_processing_updown
298 (struct uaudio_softc *, const struct io_terminal *, int);
299 Static void uaudio_add_processing
300 (struct uaudio_softc *, const struct io_terminal *, int);
301 Static void uaudio_add_extension
302 (struct uaudio_softc *, const struct io_terminal *, int);
303 Static struct terminal_list *uaudio_merge_terminal_list
304 (const struct io_terminal *);
305 Static struct terminal_list *uaudio_io_terminaltype
306 (int, struct io_terminal *, int);
307 Static usbd_status uaudio_identify
308 (struct uaudio_softc *, const usb_config_descriptor_t *);
309
310 Static int uaudio_signext(int, int);
311 Static int uaudio_value2bsd(struct mixerctl *, int);
312 Static int uaudio_bsd2value(struct mixerctl *, int);
313 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int);
314 Static int uaudio_ctl_get
315 (struct uaudio_softc *, int, struct mixerctl *, int);
316 Static void uaudio_set
317 (struct uaudio_softc *, int, int, int, int, int, int);
318 Static void uaudio_ctl_set
319 (struct uaudio_softc *, int, struct mixerctl *, int, int);
320
321 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int);
322
323 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *);
324 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *);
325 Static usbd_status uaudio_chan_alloc_buffers
326 (struct uaudio_softc *, struct chan *);
327 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *);
328 Static void uaudio_chan_init
329 (struct chan *, int, const struct audio_params *, int);
330 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int);
331 Static void uaudio_chan_ptransfer(struct chan *);
332 Static void uaudio_chan_pintr
333 (usbd_xfer_handle, usbd_private_handle, usbd_status);
334
335 Static void uaudio_chan_rtransfer(struct chan *);
336 Static void uaudio_chan_rintr
337 (usbd_xfer_handle, usbd_private_handle, usbd_status);
338
339 Static int uaudio_open(void *, int);
340 Static void uaudio_close(void *);
341 Static int uaudio_drain(void *);
342 Static int uaudio_query_encoding(void *, struct audio_encoding *);
343 Static int uaudio_set_params
344 (void *, int, int, struct audio_params *, struct audio_params *,
345 stream_filter_list_t *, stream_filter_list_t *);
346 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *);
347 Static int uaudio_trigger_output
348 (void *, void *, void *, int, void (*)(void *), void *,
349 const audio_params_t *);
350 Static int uaudio_trigger_input
351 (void *, void *, void *, int, void (*)(void *), void *,
352 const audio_params_t *);
353 Static int uaudio_halt_in_dma(void *);
354 Static int uaudio_halt_out_dma(void *);
355 Static int uaudio_getdev(void *, struct audio_device *);
356 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *);
357 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *);
358 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *);
359 Static int uaudio_get_props(void *);
360 Static void uaudio_get_locks(void *, kmutex_t **, kmutex_t **);
361
362 Static const struct audio_hw_if uaudio_hw_if = {
363 uaudio_open,
364 uaudio_close,
365 uaudio_drain,
366 uaudio_query_encoding,
367 uaudio_set_params,
368 uaudio_round_blocksize,
369 NULL,
370 NULL,
371 NULL,
372 NULL,
373 NULL,
374 uaudio_halt_out_dma,
375 uaudio_halt_in_dma,
376 NULL,
377 uaudio_getdev,
378 NULL,
379 uaudio_mixer_set_port,
380 uaudio_mixer_get_port,
381 uaudio_query_devinfo,
382 NULL,
383 NULL,
384 NULL,
385 NULL,
386 uaudio_get_props,
387 uaudio_trigger_output,
388 uaudio_trigger_input,
389 NULL,
390 uaudio_get_locks,
391 };
392
393 int uaudio_match(device_t, cfdata_t, void *);
394 void uaudio_attach(device_t, device_t, void *);
395 int uaudio_detach(device_t, int);
396 void uaudio_childdet(device_t, device_t);
397 int uaudio_activate(device_t, enum devact);
398
399 extern struct cfdriver uaudio_cd;
400
401 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc),
402 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL,
403 uaudio_childdet);
404
405 int
406 uaudio_match(device_t parent, cfdata_t match, void *aux)
407 {
408 struct usbif_attach_arg *uaa = aux;
409
410 /* Trigger on the control interface. */
411 if (uaa->class != UICLASS_AUDIO ||
412 uaa->subclass != UISUBCLASS_AUDIOCONTROL ||
413 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO))
414 return UMATCH_NONE;
415
416 return UMATCH_IFACECLASS_IFACESUBCLASS;
417 }
418
419 void
420 uaudio_attach(device_t parent, device_t self, void *aux)
421 {
422 struct uaudio_softc *sc = device_private(self);
423 struct usbif_attach_arg *uaa = aux;
424 usb_interface_descriptor_t *id;
425 usb_config_descriptor_t *cdesc;
426 char *devinfop;
427 usbd_status err;
428 int i, j, found;
429
430 sc->sc_dev = self;
431 sc->sc_udev = uaa->device;
432 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
433 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED);
434
435 strlcpy(sc->sc_adev.name, "USB audio", sizeof(sc->sc_adev.name));
436 strlcpy(sc->sc_adev.version, "", sizeof(sc->sc_adev.version));
437 snprintf(sc->sc_adev.config, sizeof(sc->sc_adev.config), "usb:%08x",
438 sc->sc_udev->cookie.cookie);
439
440 aprint_naive("\n");
441 aprint_normal("\n");
442
443 devinfop = usbd_devinfo_alloc(uaa->device, 0);
444 aprint_normal_dev(self, "%s\n", devinfop);
445 usbd_devinfo_free(devinfop);
446
447 cdesc = usbd_get_config_descriptor(sc->sc_udev);
448 if (cdesc == NULL) {
449 aprint_error_dev(self,
450 "failed to get configuration descriptor\n");
451 return;
452 }
453
454 err = uaudio_identify(sc, cdesc);
455 if (err) {
456 aprint_error_dev(self,
457 "audio descriptors make no sense, error=%d\n", err);
458 return;
459 }
460
461 sc->sc_ac_ifaceh = uaa->iface;
462 /* Pick up the AS interface. */
463 for (i = 0; i < uaa->nifaces; i++) {
464 if (uaa->ifaces[i] == NULL)
465 continue;
466 id = usbd_get_interface_descriptor(uaa->ifaces[i]);
467 if (id == NULL)
468 continue;
469 found = 0;
470 for (j = 0; j < sc->sc_nalts; j++) {
471 if (id->bInterfaceNumber ==
472 sc->sc_alts[j].idesc->bInterfaceNumber) {
473 sc->sc_alts[j].ifaceh = uaa->ifaces[i];
474 found = 1;
475 }
476 }
477 if (found)
478 uaa->ifaces[i] = NULL;
479 }
480
481 for (j = 0; j < sc->sc_nalts; j++) {
482 if (sc->sc_alts[j].ifaceh == NULL) {
483 aprint_error_dev(self,
484 "alt %d missing AS interface(s)\n", j);
485 return;
486 }
487 }
488
489 aprint_normal_dev(self, "audio rev %d.%02x\n",
490 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff);
491
492 sc->sc_playchan.sc = sc->sc_recchan.sc = sc;
493 sc->sc_playchan.altidx = -1;
494 sc->sc_recchan.altidx = -1;
495
496 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC)
497 sc->sc_altflags |= UA_NOFRAC;
498
499 #ifndef UAUDIO_DEBUG
500 if (bootverbose)
501 #endif
502 aprint_normal_dev(self, "%d mixer controls\n",
503 sc->sc_nctls);
504
505 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
506 sc->sc_dev);
507
508 DPRINTF("%s", "doing audio_attach_mi\n");
509 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev);
510
511 return;
512 }
513
514 int
515 uaudio_activate(device_t self, enum devact act)
516 {
517 struct uaudio_softc *sc = device_private(self);
518
519 switch (act) {
520 case DVACT_DEACTIVATE:
521 sc->sc_dying = 1;
522 return 0;
523 default:
524 return EOPNOTSUPP;
525 }
526 }
527
528 void
529 uaudio_childdet(device_t self, device_t child)
530 {
531 struct uaudio_softc *sc = device_private(self);
532
533 KASSERT(sc->sc_audiodev == child);
534 sc->sc_audiodev = NULL;
535 }
536
537 int
538 uaudio_detach(device_t self, int flags)
539 {
540 struct uaudio_softc *sc = device_private(self);
541 int rv;
542
543 rv = 0;
544 /* Wait for outstanding requests to complete. */
545 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES);
546
547 if (sc->sc_audiodev != NULL)
548 rv = config_detach(sc->sc_audiodev, flags);
549
550 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
551 sc->sc_dev);
552
553 if (sc->sc_formats != NULL)
554 free(sc->sc_formats, M_USBDEV);
555 auconv_delete_encodings(sc->sc_encodings);
556
557 mutex_destroy(&sc->sc_lock);
558 mutex_destroy(&sc->sc_intr_lock);
559
560 return rv;
561 }
562
563 Static int
564 uaudio_query_encoding(void *addr, struct audio_encoding *fp)
565 {
566 struct uaudio_softc *sc;
567 int flags;
568
569 sc = addr;
570 flags = sc->sc_altflags;
571 if (sc->sc_dying)
572 return EIO;
573
574 if (sc->sc_nalts == 0 || flags == 0)
575 return ENXIO;
576
577 return auconv_query_encoding(sc->sc_encodings, fp);
578 }
579
580 Static const usb_interface_descriptor_t *
581 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype)
582 {
583 const usb_interface_descriptor_t *d;
584
585 while (*offsp < size) {
586 d = (const void *)(tbuf + *offsp);
587 *offsp += d->bLength;
588 if (d->bDescriptorType == UDESC_INTERFACE &&
589 d->bInterfaceClass == UICLASS_AUDIO &&
590 d->bInterfaceSubClass == subtype)
591 return d;
592 }
593 return NULL;
594 }
595
596 Static void
597 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc)
598 {
599 int res;
600 size_t len;
601 struct mixerctl *nmc;
602
603 if (mc->class < UAC_NCLASSES) {
604 DPRINTF("adding %s.%s\n", uac_names[mc->class], mc->ctlname);
605 } else {
606 DPRINTF("adding %s\n", mc->ctlname);
607 }
608 len = sizeof(*mc) * (sc->sc_nctls + 1);
609 nmc = malloc(len, M_USBDEV, M_NOWAIT);
610 if (nmc == NULL) {
611 aprint_error("uaudio_mixer_add_ctl: no memory\n");
612 return;
613 }
614 /* Copy old data, if there was any */
615 if (sc->sc_nctls != 0) {
616 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls));
617 free(sc->sc_ctls, M_USBDEV);
618 }
619 sc->sc_ctls = nmc;
620
621 mc->delta = 0;
622 if (mc->type == MIX_ON_OFF) {
623 mc->minval = 0;
624 mc->maxval = 1;
625 } else if (mc->type == MIX_SELECTOR) {
626 ;
627 } else {
628 /* Determine min and max values. */
629 mc->minval = uaudio_signext(mc->type,
630 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE,
631 mc->wValue[0], mc->wIndex,
632 MIX_SIZE(mc->type)));
633 mc->maxval = 1 + uaudio_signext(mc->type,
634 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE,
635 mc->wValue[0], mc->wIndex,
636 MIX_SIZE(mc->type)));
637 mc->mul = mc->maxval - mc->minval;
638 if (mc->mul == 0)
639 mc->mul = 1;
640 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE,
641 mc->wValue[0], mc->wIndex,
642 MIX_SIZE(mc->type));
643 if (res > 0)
644 mc->delta = (res * 255 + mc->mul/2) / mc->mul;
645 }
646
647 sc->sc_ctls[sc->sc_nctls++] = *mc;
648
649 #ifdef UAUDIO_DEBUG
650 if (uaudiodebug > 2) {
651 int i;
652
653 DPRINTFN_CLEAN(2, "wValue=%04x", mc->wValue[0]);
654 for (i = 1; i < mc->nchan; i++)
655 DPRINTFN_CLEAN(2, ",%04x", mc->wValue[i]);
656 DPRINTFN_CLEAN(2, " wIndex=%04x type=%d name='%s' unit='%s' "
657 "min=%d max=%d\n",
658 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit,
659 mc->minval, mc->maxval);
660 }
661 #endif
662 }
663
664 Static char *
665 uaudio_id_name(struct uaudio_softc *sc,
666 const struct io_terminal *iot, int id)
667 {
668 static char tbuf[32];
669
670 snprintf(tbuf, sizeof(tbuf), "i%d", id);
671 return tbuf;
672 }
673
674 #ifdef UAUDIO_DEBUG
675 Static void
676 uaudio_dump_cluster(const struct usb_audio_cluster *cl)
677 {
678 static const char *channel_names[16] = {
679 "LEFT", "RIGHT", "CENTER", "LFE",
680 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER",
681 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP",
682 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15",
683 };
684 int cc, i, first;
685
686 cc = UGETW(cl->wChannelConfig);
687 printf("cluster: bNrChannels=%u wChannelConfig=0x%.4x",
688 cl->bNrChannels, cc);
689 first = TRUE;
690 for (i = 0; cc != 0; i++) {
691 if (cc & 1) {
692 printf("%c%s", first ? '<' : ',', channel_names[i]);
693 first = FALSE;
694 }
695 cc = cc >> 1;
696 }
697 printf("> iChannelNames=%u", cl->iChannelNames);
698 }
699 #endif
700
701 Static struct usb_audio_cluster
702 uaudio_get_cluster(int id, const struct io_terminal *iot)
703 {
704 struct usb_audio_cluster r;
705 const uaudio_cs_descriptor_t *dp;
706 int i;
707
708 for (i = 0; i < 25; i++) { /* avoid infinite loops */
709 dp = iot[id].d.desc;
710 if (dp == 0)
711 goto bad;
712 switch (dp->bDescriptorSubtype) {
713 case UDESCSUB_AC_INPUT:
714 r.bNrChannels = iot[id].d.it->bNrChannels;
715 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig));
716 r.iChannelNames = iot[id].d.it->iChannelNames;
717 return r;
718 case UDESCSUB_AC_OUTPUT:
719 id = iot[id].d.ot->bSourceId;
720 break;
721 case UDESCSUB_AC_MIXER:
722 r = *(const struct usb_audio_cluster *)
723 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins];
724 return r;
725 case UDESCSUB_AC_SELECTOR:
726 /* XXX This is not really right */
727 id = iot[id].d.su->baSourceId[0];
728 break;
729 case UDESCSUB_AC_FEATURE:
730 id = iot[id].d.fu->bSourceId;
731 break;
732 case UDESCSUB_AC_PROCESSING:
733 r = *(const struct usb_audio_cluster *)
734 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins];
735 return r;
736 case UDESCSUB_AC_EXTENSION:
737 r = *(const struct usb_audio_cluster *)
738 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins];
739 return r;
740 default:
741 goto bad;
742 }
743 }
744 bad:
745 aprint_error("uaudio_get_cluster: bad data\n");
746 memset(&r, 0, sizeof r);
747 return r;
748
749 }
750
751 Static void
752 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
753 {
754 const struct usb_audio_input_terminal *d;
755
756 d = iot[id].d.it;
757 #ifdef UAUDIO_DEBUG
758 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
759 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d "
760 "iChannelNames=%d iTerminal=%d\n",
761 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
762 d->bNrChannels, UGETW(d->wChannelConfig),
763 d->iChannelNames, d->iTerminal);
764 #endif
765 /* If USB input terminal, record wChannelConfig */
766 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100)
767 return;
768 sc->sc_channel_config = UGETW(d->wChannelConfig);
769 }
770
771 Static void
772 uaudio_add_output(struct uaudio_softc *sc,
773 const struct io_terminal *iot, int id)
774 {
775 #ifdef UAUDIO_DEBUG
776 const struct usb_audio_output_terminal *d;
777
778 d = iot[id].d.ot;
779 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x "
780 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n",
781 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal,
782 d->bSourceId, d->iTerminal);
783 #endif
784 }
785
786 Static void
787 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
788 {
789 const struct usb_audio_mixer_unit *d;
790 const struct usb_audio_mixer_unit_1 *d1;
791 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k;
792 const uByte *bm;
793 struct mixerctl mix;
794
795 d = iot[id].d.mu;
796 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
797 d->bUnitId, d->bNrInPins);
798
799 /* Compute the number of input channels */
800 ichs = 0;
801 for (i = 0; i < d->bNrInPins; i++)
802 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
803
804 /* and the number of output channels */
805 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins];
806 ochs = d1->bNrChannels;
807 DPRINTFN(2,"ichs=%d ochs=%d\n", ichs, ochs);
808
809 bm = d1->bmControls;
810 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
811 uaudio_determine_class(&iot[id], &mix);
812 mix.type = MIX_SIGNED_16;
813 mix.ctlunit = AudioNvolume;
814 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1)
815 for (p = i = 0; i < d->bNrInPins; i++) {
816 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels;
817 mc = 0;
818 for (c = 0; c < chs; c++) {
819 mo = 0;
820 for (o = 0; o < ochs; o++) {
821 bno = (p + c) * ochs + o;
822 if (_BIT(bno))
823 mo++;
824 }
825 if (mo == 1)
826 mc++;
827 }
828 if (mc == chs && chs <= MIX_MAX_CHAN) {
829 k = 0;
830 for (c = 0; c < chs; c++)
831 for (o = 0; o < ochs; o++) {
832 bno = (p + c) * ochs + o;
833 if (_BIT(bno))
834 mix.wValue[k++] =
835 MAKE(p+c+1, o+1);
836 }
837 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s",
838 d->bUnitId, uaudio_id_name(sc, iot,
839 d->baSourceId[i]));
840 mix.nchan = chs;
841 uaudio_mixer_add_ctl(sc, &mix);
842 } else {
843 /* XXX */
844 }
845 #undef _BIT
846 p += chs;
847 }
848
849 }
850
851 Static void
852 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
853 {
854 const struct usb_audio_selector_unit *d;
855 struct mixerctl mix;
856 int i, wp;
857
858 d = iot[id].d.su;
859 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
860 d->bUnitId, d->bNrInPins);
861 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
862 mix.wValue[0] = MAKE(0, 0);
863 uaudio_determine_class(&iot[id], &mix);
864 mix.nchan = 1;
865 mix.type = MIX_SELECTOR;
866 mix.ctlunit = "";
867 mix.minval = 1;
868 mix.maxval = d->bNrInPins;
869 mix.mul = mix.maxval - mix.minval;
870 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId);
871 for (i = 1; i <= d->bNrInPins; i++) {
872 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp,
873 "i%d", d->baSourceId[i - 1]);
874 if (wp > MAX_AUDIO_DEV_LEN - 1)
875 break;
876 }
877 uaudio_mixer_add_ctl(sc, &mix);
878 }
879
880 #ifdef UAUDIO_DEBUG
881 Static const char *
882 uaudio_get_terminal_name(int terminal_type)
883 {
884 static char tbuf[100];
885
886 switch (terminal_type) {
887 /* USB terminal types */
888 case UAT_UNDEFINED: return "UAT_UNDEFINED";
889 case UAT_STREAM: return "UAT_STREAM";
890 case UAT_VENDOR: return "UAT_VENDOR";
891 /* input terminal types */
892 case UATI_UNDEFINED: return "UATI_UNDEFINED";
893 case UATI_MICROPHONE: return "UATI_MICROPHONE";
894 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE";
895 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE";
896 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE";
897 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY";
898 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR";
899 /* output terminal types */
900 case UATO_UNDEFINED: return "UATO_UNDEFINED";
901 case UATO_SPEAKER: return "UATO_SPEAKER";
902 case UATO_HEADPHONES: return "UATO_HEADPHONES";
903 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO";
904 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER";
905 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER";
906 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER";
907 case UATO_SUBWOOFER: return "UATO_SUBWOOFER";
908 /* bidir terminal types */
909 case UATB_UNDEFINED: return "UATB_UNDEFINED";
910 case UATB_HANDSET: return "UATB_HANDSET";
911 case UATB_HEADSET: return "UATB_HEADSET";
912 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE";
913 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP";
914 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC";
915 /* telephony terminal types */
916 case UATT_UNDEFINED: return "UATT_UNDEFINED";
917 case UATT_PHONELINE: return "UATT_PHONELINE";
918 case UATT_TELEPHONE: return "UATT_TELEPHONE";
919 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE";
920 /* external terminal types */
921 case UATE_UNDEFINED: return "UATE_UNDEFINED";
922 case UATE_ANALOGCONN: return "UATE_ANALOGCONN";
923 case UATE_LINECONN: return "UATE_LINECONN";
924 case UATE_LEGACYCONN: return "UATE_LEGACYCONN";
925 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC";
926 case UATE_SPDIF: return "UATE_SPDIF";
927 case UATE_1394DA: return "UATE_1394DA";
928 case UATE_1394DV: return "UATE_1394DV";
929 /* embedded function terminal types */
930 case UATF_UNDEFINED: return "UATF_UNDEFINED";
931 case UATF_CALIBNOISE: return "UATF_CALIBNOISE";
932 case UATF_EQUNOISE: return "UATF_EQUNOISE";
933 case UATF_CDPLAYER: return "UATF_CDPLAYER";
934 case UATF_DAT: return "UATF_DAT";
935 case UATF_DCC: return "UATF_DCC";
936 case UATF_MINIDISK: return "UATF_MINIDISK";
937 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE";
938 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH";
939 case UATF_VCRAUDIO: return "UATF_VCRAUDIO";
940 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO";
941 case UATF_DVDAUDIO: return "UATF_DVDAUDIO";
942 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO";
943 case UATF_SATELLITE: return "UATF_SATELLITE";
944 case UATF_CABLETUNER: return "UATF_CABLETUNER";
945 case UATF_DSS: return "UATF_DSS";
946 case UATF_RADIORECV: return "UATF_RADIORECV";
947 case UATF_RADIOXMIT: return "UATF_RADIOXMIT";
948 case UATF_MULTITRACK: return "UATF_MULTITRACK";
949 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER";
950 default:
951 snprintf(tbuf, sizeof(tbuf), "unknown type (0x%.4x)", terminal_type);
952 return tbuf;
953 }
954 }
955 #endif
956
957 Static int
958 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix)
959 {
960 int terminal_type;
961
962 if (iot == NULL || iot->output == NULL) {
963 mix->class = UAC_OUTPUT;
964 return 0;
965 }
966 terminal_type = 0;
967 if (iot->output->size == 1)
968 terminal_type = iot->output->terminals[0];
969 /*
970 * If the only output terminal is USB,
971 * the class is UAC_RECORD.
972 */
973 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
974 mix->class = UAC_RECORD;
975 if (iot->inputs_size == 1
976 && iot->inputs[0] != NULL
977 && iot->inputs[0]->size == 1)
978 return iot->inputs[0]->terminals[0];
979 else
980 return 0;
981 }
982 /*
983 * If the ultimate destination of the unit is just one output
984 * terminal and the unit is connected to the output terminal
985 * directly, the class is UAC_OUTPUT.
986 */
987 if (terminal_type != 0 && iot->direct) {
988 mix->class = UAC_OUTPUT;
989 return terminal_type;
990 }
991 /*
992 * If the unit is connected to just one input terminal,
993 * the class is UAC_INPUT.
994 */
995 if (iot->inputs_size == 1 && iot->inputs[0] != NULL
996 && iot->inputs[0]->size == 1) {
997 mix->class = UAC_INPUT;
998 return iot->inputs[0]->terminals[0];
999 }
1000 /*
1001 * Otherwise, the class is UAC_OUTPUT.
1002 */
1003 mix->class = UAC_OUTPUT;
1004 return terminal_type;
1005 }
1006
1007 Static const char *
1008 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix)
1009 {
1010 int terminal_type;
1011
1012 terminal_type = uaudio_determine_class(iot, mix);
1013 if (mix->class == UAC_RECORD && terminal_type == 0)
1014 return AudioNmixerout;
1015 DPRINTF("terminal_type=%s\n", uaudio_get_terminal_name(terminal_type));
1016 switch (terminal_type) {
1017 case UAT_STREAM:
1018 return AudioNdac;
1019
1020 case UATI_MICROPHONE:
1021 case UATI_DESKMICROPHONE:
1022 case UATI_PERSONALMICROPHONE:
1023 case UATI_OMNIMICROPHONE:
1024 case UATI_MICROPHONEARRAY:
1025 case UATI_PROCMICROPHONEARR:
1026 return AudioNmicrophone;
1027
1028 case UATO_SPEAKER:
1029 case UATO_DESKTOPSPEAKER:
1030 case UATO_ROOMSPEAKER:
1031 case UATO_COMMSPEAKER:
1032 return AudioNspeaker;
1033
1034 case UATO_HEADPHONES:
1035 return AudioNheadphone;
1036
1037 case UATO_SUBWOOFER:
1038 return AudioNlfe;
1039
1040 /* telephony terminal types */
1041 case UATT_UNDEFINED:
1042 case UATT_PHONELINE:
1043 case UATT_TELEPHONE:
1044 case UATT_DOWNLINEPHONE:
1045 return "phone";
1046
1047 case UATE_ANALOGCONN:
1048 case UATE_LINECONN:
1049 case UATE_LEGACYCONN:
1050 return AudioNline;
1051
1052 case UATE_DIGITALAUIFC:
1053 case UATE_SPDIF:
1054 case UATE_1394DA:
1055 case UATE_1394DV:
1056 return AudioNaux;
1057
1058 case UATF_CDPLAYER:
1059 return AudioNcd;
1060
1061 case UATF_SYNTHESIZER:
1062 return AudioNfmsynth;
1063
1064 case UATF_VIDEODISCAUDIO:
1065 case UATF_DVDAUDIO:
1066 case UATF_TVTUNERAUDIO:
1067 return AudioNvideo;
1068
1069 case UAT_UNDEFINED:
1070 case UAT_VENDOR:
1071 case UATI_UNDEFINED:
1072 /* output terminal types */
1073 case UATO_UNDEFINED:
1074 case UATO_DISPLAYAUDIO:
1075 /* bidir terminal types */
1076 case UATB_UNDEFINED:
1077 case UATB_HANDSET:
1078 case UATB_HEADSET:
1079 case UATB_SPEAKERPHONE:
1080 case UATB_SPEAKERPHONEESUP:
1081 case UATB_SPEAKERPHONEECANC:
1082 /* external terminal types */
1083 case UATE_UNDEFINED:
1084 /* embedded function terminal types */
1085 case UATF_UNDEFINED:
1086 case UATF_CALIBNOISE:
1087 case UATF_EQUNOISE:
1088 case UATF_DAT:
1089 case UATF_DCC:
1090 case UATF_MINIDISK:
1091 case UATF_ANALOGTAPE:
1092 case UATF_PHONOGRAPH:
1093 case UATF_VCRAUDIO:
1094 case UATF_SATELLITE:
1095 case UATF_CABLETUNER:
1096 case UATF_DSS:
1097 case UATF_RADIORECV:
1098 case UATF_RADIOXMIT:
1099 case UATF_MULTITRACK:
1100 case 0xffff:
1101 default:
1102 DPRINTF("'master' for 0x%.4x\n", terminal_type);
1103 return AudioNmaster;
1104 }
1105 return AudioNmaster;
1106 }
1107
1108 Static void
1109 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1110 {
1111 const struct usb_audio_feature_unit *d;
1112 const uByte *ctls;
1113 int ctlsize;
1114 int nchan;
1115 u_int fumask, mmask, cmask;
1116 struct mixerctl mix;
1117 int chan, ctl, i, unit;
1118 const char *mixername;
1119
1120 #define GET(i) (ctls[(i)*ctlsize] | \
1121 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0))
1122 d = iot[id].d.fu;
1123 ctls = d->bmaControls;
1124 ctlsize = d->bControlSize;
1125 if (ctlsize == 0) {
1126 DPRINTF("ignoring feature %d with controlSize of zero\n", id);
1127 return;
1128 }
1129 nchan = (d->bLength - 7) / ctlsize;
1130 mmask = GET(0);
1131 /* Figure out what we can control */
1132 for (cmask = 0, chan = 1; chan < nchan; chan++) {
1133 DPRINTFN(9,"chan=%d mask=%x\n",
1134 chan, GET(chan));
1135 cmask |= GET(chan);
1136 }
1137
1138 DPRINTFN(1,"bUnitId=%d, "
1139 "%d channels, mmask=0x%04x, cmask=0x%04x\n",
1140 d->bUnitId, nchan, mmask, cmask);
1141
1142 if (nchan > MIX_MAX_CHAN)
1143 nchan = MIX_MAX_CHAN;
1144 unit = d->bUnitId;
1145 mix.wIndex = MAKE(unit, sc->sc_ac_iface);
1146 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) {
1147 fumask = FU_MASK(ctl);
1148 DPRINTFN(4,"ctl=%d fumask=0x%04x\n",
1149 ctl, fumask);
1150 if (mmask & fumask) {
1151 mix.nchan = 1;
1152 mix.wValue[0] = MAKE(ctl, 0);
1153 } else if (cmask & fumask) {
1154 mix.nchan = nchan - 1;
1155 for (i = 1; i < nchan; i++) {
1156 if (GET(i) & fumask)
1157 mix.wValue[i-1] = MAKE(ctl, i);
1158 else
1159 mix.wValue[i-1] = -1;
1160 }
1161 } else {
1162 continue;
1163 }
1164 #undef GET
1165 mixername = uaudio_feature_name(&iot[id], &mix);
1166 switch (ctl) {
1167 case MUTE_CONTROL:
1168 mix.type = MIX_ON_OFF;
1169 mix.ctlunit = "";
1170 snprintf(mix.ctlname, sizeof(mix.ctlname),
1171 "%s.%s", mixername, AudioNmute);
1172 break;
1173 case VOLUME_CONTROL:
1174 mix.type = MIX_SIGNED_16;
1175 mix.ctlunit = AudioNvolume;
1176 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname));
1177 break;
1178 case BASS_CONTROL:
1179 mix.type = MIX_SIGNED_8;
1180 mix.ctlunit = AudioNbass;
1181 snprintf(mix.ctlname, sizeof(mix.ctlname),
1182 "%s.%s", mixername, AudioNbass);
1183 break;
1184 case MID_CONTROL:
1185 mix.type = MIX_SIGNED_8;
1186 mix.ctlunit = AudioNmid;
1187 snprintf(mix.ctlname, sizeof(mix.ctlname),
1188 "%s.%s", mixername, AudioNmid);
1189 break;
1190 case TREBLE_CONTROL:
1191 mix.type = MIX_SIGNED_8;
1192 mix.ctlunit = AudioNtreble;
1193 snprintf(mix.ctlname, sizeof(mix.ctlname),
1194 "%s.%s", mixername, AudioNtreble);
1195 break;
1196 case GRAPHIC_EQUALIZER_CONTROL:
1197 continue; /* XXX don't add anything */
1198 break;
1199 case AGC_CONTROL:
1200 mix.type = MIX_ON_OFF;
1201 mix.ctlunit = "";
1202 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s",
1203 mixername, AudioNagc);
1204 break;
1205 case DELAY_CONTROL:
1206 mix.type = MIX_UNSIGNED_16;
1207 mix.ctlunit = "4 ms";
1208 snprintf(mix.ctlname, sizeof(mix.ctlname),
1209 "%s.%s", mixername, AudioNdelay);
1210 break;
1211 case BASS_BOOST_CONTROL:
1212 mix.type = MIX_ON_OFF;
1213 mix.ctlunit = "";
1214 snprintf(mix.ctlname, sizeof(mix.ctlname),
1215 "%s.%s", mixername, AudioNbassboost);
1216 break;
1217 case LOUDNESS_CONTROL:
1218 mix.type = MIX_ON_OFF;
1219 mix.ctlunit = "";
1220 snprintf(mix.ctlname, sizeof(mix.ctlname),
1221 "%s.%s", mixername, AudioNloudness);
1222 break;
1223 }
1224 uaudio_mixer_add_ctl(sc, &mix);
1225 }
1226 }
1227
1228 Static void
1229 uaudio_add_processing_updown(struct uaudio_softc *sc,
1230 const struct io_terminal *iot, int id)
1231 {
1232 const struct usb_audio_processing_unit *d;
1233 const struct usb_audio_processing_unit_1 *d1;
1234 const struct usb_audio_processing_unit_updown *ud;
1235 struct mixerctl mix;
1236 int i;
1237
1238 d = iot[id].d.pu;
1239 d1 = (const struct usb_audio_processing_unit_1 *)
1240 &d->baSourceId[d->bNrInPins];
1241 ud = (const struct usb_audio_processing_unit_updown *)
1242 &d1->bmControls[d1->bControlSize];
1243 DPRINTFN(2,"bUnitId=%d bNrModes=%d\n",
1244 d->bUnitId, ud->bNrModes);
1245
1246 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) {
1247 DPRINTF("%s", "no mode select\n");
1248 return;
1249 }
1250
1251 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1252 mix.nchan = 1;
1253 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0);
1254 uaudio_determine_class(&iot[id], &mix);
1255 mix.type = MIX_ON_OFF; /* XXX */
1256 mix.ctlunit = "";
1257 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId);
1258
1259 for (i = 0; i < ud->bNrModes; i++) {
1260 DPRINTFN(2,"i=%d bm=0x%x\n",
1261 i, UGETW(ud->waModes[i]));
1262 /* XXX */
1263 }
1264 uaudio_mixer_add_ctl(sc, &mix);
1265 }
1266
1267 Static void
1268 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1269 {
1270 const struct usb_audio_processing_unit *d;
1271 const struct usb_audio_processing_unit_1 *d1;
1272 int ptype;
1273 struct mixerctl mix;
1274
1275 d = iot[id].d.pu;
1276 d1 = (const struct usb_audio_processing_unit_1 *)
1277 &d->baSourceId[d->bNrInPins];
1278 ptype = UGETW(d->wProcessType);
1279 DPRINTFN(2,"wProcessType=%d bUnitId=%d "
1280 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins);
1281
1282 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) {
1283 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1284 mix.nchan = 1;
1285 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0);
1286 uaudio_determine_class(&iot[id], &mix);
1287 mix.type = MIX_ON_OFF;
1288 mix.ctlunit = "";
1289 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable",
1290 d->bUnitId, ptype);
1291 uaudio_mixer_add_ctl(sc, &mix);
1292 }
1293
1294 switch(ptype) {
1295 case UPDOWNMIX_PROCESS:
1296 uaudio_add_processing_updown(sc, iot, id);
1297 break;
1298 case DOLBY_PROLOGIC_PROCESS:
1299 case P3D_STEREO_EXTENDER_PROCESS:
1300 case REVERBATION_PROCESS:
1301 case CHORUS_PROCESS:
1302 case DYN_RANGE_COMP_PROCESS:
1303 default:
1304 #ifdef UAUDIO_DEBUG
1305 aprint_debug(
1306 "uaudio_add_processing: unit %d, type=%d not impl.\n",
1307 d->bUnitId, ptype);
1308 #endif
1309 break;
1310 }
1311 }
1312
1313 Static void
1314 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
1315 {
1316 const struct usb_audio_extension_unit *d;
1317 const struct usb_audio_extension_unit_1 *d1;
1318 struct mixerctl mix;
1319
1320 d = iot[id].d.eu;
1321 d1 = (const struct usb_audio_extension_unit_1 *)
1322 &d->baSourceId[d->bNrInPins];
1323 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n",
1324 d->bUnitId, d->bNrInPins);
1325
1326 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU)
1327 return;
1328
1329 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) {
1330 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
1331 mix.nchan = 1;
1332 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0);
1333 uaudio_determine_class(&iot[id], &mix);
1334 mix.type = MIX_ON_OFF;
1335 mix.ctlunit = "";
1336 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable",
1337 d->bUnitId);
1338 uaudio_mixer_add_ctl(sc, &mix);
1339 }
1340 }
1341
1342 Static struct terminal_list*
1343 uaudio_merge_terminal_list(const struct io_terminal *iot)
1344 {
1345 struct terminal_list *tml;
1346 uint16_t *ptm;
1347 int i, len;
1348
1349 len = 0;
1350 if (iot->inputs == NULL)
1351 return NULL;
1352 for (i = 0; i < iot->inputs_size; i++) {
1353 if (iot->inputs[i] != NULL)
1354 len += iot->inputs[i]->size;
1355 }
1356 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT);
1357 if (tml == NULL) {
1358 aprint_error("uaudio_merge_terminal_list: no memory\n");
1359 return NULL;
1360 }
1361 tml->size = 0;
1362 ptm = tml->terminals;
1363 for (i = 0; i < iot->inputs_size; i++) {
1364 if (iot->inputs[i] == NULL)
1365 continue;
1366 if (iot->inputs[i]->size > len)
1367 break;
1368 memcpy(ptm, iot->inputs[i]->terminals,
1369 iot->inputs[i]->size * sizeof(uint16_t));
1370 tml->size += iot->inputs[i]->size;
1371 ptm += iot->inputs[i]->size;
1372 len -= iot->inputs[i]->size;
1373 }
1374 return tml;
1375 }
1376
1377 Static struct terminal_list *
1378 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id)
1379 {
1380 struct terminal_list *tml;
1381 struct io_terminal *it;
1382 int src_id, i;
1383
1384 it = &iot[id];
1385 if (it->output != NULL) {
1386 /* already has outtype? */
1387 for (i = 0; i < it->output->size; i++)
1388 if (it->output->terminals[i] == outtype)
1389 return uaudio_merge_terminal_list(it);
1390 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1),
1391 M_TEMP, M_NOWAIT);
1392 if (tml == NULL) {
1393 aprint_error("uaudio_io_terminaltype: no memory\n");
1394 return uaudio_merge_terminal_list(it);
1395 }
1396 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size));
1397 tml->terminals[it->output->size] = outtype;
1398 tml->size++;
1399 free(it->output, M_TEMP);
1400 it->output = tml;
1401 if (it->inputs != NULL) {
1402 for (i = 0; i < it->inputs_size; i++)
1403 if (it->inputs[i] != NULL)
1404 free(it->inputs[i], M_TEMP);
1405 free(it->inputs, M_TEMP);
1406 }
1407 it->inputs_size = 0;
1408 it->inputs = NULL;
1409 } else { /* end `iot[id] != NULL' */
1410 it->inputs_size = 0;
1411 it->inputs = NULL;
1412 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1413 if (it->output == NULL) {
1414 aprint_error("uaudio_io_terminaltype: no memory\n");
1415 return NULL;
1416 }
1417 it->output->terminals[0] = outtype;
1418 it->output->size = 1;
1419 it->direct = FALSE;
1420 }
1421
1422 switch (it->d.desc->bDescriptorSubtype) {
1423 case UDESCSUB_AC_INPUT:
1424 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1425 if (it->inputs == NULL) {
1426 aprint_error("uaudio_io_terminaltype: no memory\n");
1427 return NULL;
1428 }
1429 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT);
1430 if (tml == NULL) {
1431 aprint_error("uaudio_io_terminaltype: no memory\n");
1432 free(it->inputs, M_TEMP);
1433 it->inputs = NULL;
1434 return NULL;
1435 }
1436 it->inputs[0] = tml;
1437 tml->terminals[0] = UGETW(it->d.it->wTerminalType);
1438 tml->size = 1;
1439 it->inputs_size = 1;
1440 return uaudio_merge_terminal_list(it);
1441 case UDESCSUB_AC_FEATURE:
1442 src_id = it->d.fu->bSourceId;
1443 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1444 if (it->inputs == NULL) {
1445 aprint_error("uaudio_io_terminaltype: no memory\n");
1446 return uaudio_io_terminaltype(outtype, iot, src_id);
1447 }
1448 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1449 it->inputs_size = 1;
1450 return uaudio_merge_terminal_list(it);
1451 case UDESCSUB_AC_OUTPUT:
1452 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT);
1453 if (it->inputs == NULL) {
1454 aprint_error("uaudio_io_terminaltype: no memory\n");
1455 return NULL;
1456 }
1457 src_id = it->d.ot->bSourceId;
1458 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id);
1459 it->inputs_size = 1;
1460 iot[src_id].direct = TRUE;
1461 return NULL;
1462 case UDESCSUB_AC_MIXER:
1463 it->inputs_size = 0;
1464 it->inputs = malloc(sizeof(struct terminal_list *)
1465 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT);
1466 if (it->inputs == NULL) {
1467 aprint_error("uaudio_io_terminaltype: no memory\n");
1468 return NULL;
1469 }
1470 for (i = 0; i < it->d.mu->bNrInPins; i++) {
1471 src_id = it->d.mu->baSourceId[i];
1472 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1473 src_id);
1474 it->inputs_size++;
1475 }
1476 return uaudio_merge_terminal_list(it);
1477 case UDESCSUB_AC_SELECTOR:
1478 it->inputs_size = 0;
1479 it->inputs = malloc(sizeof(struct terminal_list *)
1480 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT);
1481 if (it->inputs == NULL) {
1482 aprint_error("uaudio_io_terminaltype: no memory\n");
1483 return NULL;
1484 }
1485 for (i = 0; i < it->d.su->bNrInPins; i++) {
1486 src_id = it->d.su->baSourceId[i];
1487 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1488 src_id);
1489 it->inputs_size++;
1490 }
1491 return uaudio_merge_terminal_list(it);
1492 case UDESCSUB_AC_PROCESSING:
1493 it->inputs_size = 0;
1494 it->inputs = malloc(sizeof(struct terminal_list *)
1495 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT);
1496 if (it->inputs == NULL) {
1497 aprint_error("uaudio_io_terminaltype: no memory\n");
1498 return NULL;
1499 }
1500 for (i = 0; i < it->d.pu->bNrInPins; i++) {
1501 src_id = it->d.pu->baSourceId[i];
1502 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1503 src_id);
1504 it->inputs_size++;
1505 }
1506 return uaudio_merge_terminal_list(it);
1507 case UDESCSUB_AC_EXTENSION:
1508 it->inputs_size = 0;
1509 it->inputs = malloc(sizeof(struct terminal_list *)
1510 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT);
1511 if (it->inputs == NULL) {
1512 aprint_error("uaudio_io_terminaltype: no memory\n");
1513 return NULL;
1514 }
1515 for (i = 0; i < it->d.eu->bNrInPins; i++) {
1516 src_id = it->d.eu->baSourceId[i];
1517 it->inputs[i] = uaudio_io_terminaltype(outtype, iot,
1518 src_id);
1519 it->inputs_size++;
1520 }
1521 return uaudio_merge_terminal_list(it);
1522 case UDESCSUB_AC_HEADER:
1523 default:
1524 return NULL;
1525 }
1526 }
1527
1528 Static usbd_status
1529 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1530 {
1531 usbd_status err;
1532
1533 err = uaudio_identify_ac(sc, cdesc);
1534 if (err)
1535 return err;
1536 return uaudio_identify_as(sc, cdesc);
1537 }
1538
1539 Static void
1540 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai)
1541 {
1542 size_t len;
1543 struct as_info *nai;
1544
1545 len = sizeof(*ai) * (sc->sc_nalts + 1);
1546 nai = malloc(len, M_USBDEV, M_NOWAIT);
1547 if (nai == NULL) {
1548 aprint_error("uaudio_add_alt: no memory\n");
1549 return;
1550 }
1551 /* Copy old data, if there was any */
1552 if (sc->sc_nalts != 0) {
1553 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts));
1554 free(sc->sc_alts, M_USBDEV);
1555 }
1556 sc->sc_alts = nai;
1557 DPRINTFN(2,"adding alt=%d, enc=%d\n",
1558 ai->alt, ai->encoding);
1559 sc->sc_alts[sc->sc_nalts++] = *ai;
1560 }
1561
1562 Static usbd_status
1563 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp,
1564 int size, const usb_interface_descriptor_t *id)
1565 #define offs (*offsp)
1566 {
1567 const struct usb_audio_streaming_interface_descriptor *asid;
1568 const struct usb_audio_streaming_type1_descriptor *asf1d;
1569 const usb_endpoint_descriptor_audio_t *ed;
1570 const usb_endpoint_descriptor_audio_t *epdesc1;
1571 const struct usb_audio_streaming_endpoint_descriptor *sed;
1572 int format, chan __unused, prec, enc;
1573 int dir, type, sync;
1574 struct as_info ai;
1575 const char *format_str __unused;
1576
1577 asid = (const void *)(tbuf + offs);
1578 if (asid->bDescriptorType != UDESC_CS_INTERFACE ||
1579 asid->bDescriptorSubtype != AS_GENERAL)
1580 return USBD_INVAL;
1581 DPRINTF("asid: bTerminakLink=%d wFormatTag=%d\n",
1582 asid->bTerminalLink, UGETW(asid->wFormatTag));
1583 offs += asid->bLength;
1584 if (offs > size)
1585 return USBD_INVAL;
1586
1587 asf1d = (const void *)(tbuf + offs);
1588 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE ||
1589 asf1d->bDescriptorSubtype != FORMAT_TYPE)
1590 return USBD_INVAL;
1591 offs += asf1d->bLength;
1592 if (offs > size)
1593 return USBD_INVAL;
1594
1595 if (asf1d->bFormatType != FORMAT_TYPE_I) {
1596 aprint_error_dev(sc->sc_dev,
1597 "ignored setting with type %d format\n", UGETW(asid->wFormatTag));
1598 return USBD_NORMAL_COMPLETION;
1599 }
1600
1601 ed = (const void *)(tbuf + offs);
1602 if (ed->bDescriptorType != UDESC_ENDPOINT)
1603 return USBD_INVAL;
1604 DPRINTF("endpoint[0] bLength=%d bDescriptorType=%d "
1605 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d "
1606 "bInterval=%d bRefresh=%d bSynchAddress=%d\n",
1607 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress,
1608 ed->bmAttributes, UGETW(ed->wMaxPacketSize),
1609 ed->bInterval, ed->bRefresh, ed->bSynchAddress);
1610 offs += ed->bLength;
1611 if (offs > size)
1612 return USBD_INVAL;
1613 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS)
1614 return USBD_INVAL;
1615
1616 dir = UE_GET_DIR(ed->bEndpointAddress);
1617 type = UE_GET_ISO_TYPE(ed->bmAttributes);
1618 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) &&
1619 dir == UE_DIR_IN && type == UE_ISO_ADAPT)
1620 type = UE_ISO_ASYNC;
1621
1622 /* We can't handle endpoints that need a sync pipe yet. */
1623 sync = FALSE;
1624 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) {
1625 sync = TRUE;
1626 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1627 aprint_error_dev(sc->sc_dev,
1628 "ignored input endpoint of type adaptive\n");
1629 return USBD_NORMAL_COMPLETION;
1630 #endif
1631 }
1632 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) {
1633 sync = TRUE;
1634 #ifndef UAUDIO_MULTIPLE_ENDPOINTS
1635 aprint_error_dev(sc->sc_dev,
1636 "ignored output endpoint of type async\n");
1637 return USBD_NORMAL_COMPLETION;
1638 #endif
1639 }
1640
1641 sed = (const void *)(tbuf + offs);
1642 if (sed->bDescriptorType != UDESC_CS_ENDPOINT ||
1643 sed->bDescriptorSubtype != AS_GENERAL)
1644 return USBD_INVAL;
1645 DPRINTF(" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength);
1646 offs += sed->bLength;
1647 if (offs > size)
1648 return USBD_INVAL;
1649
1650 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1651 if (sync && id->bNumEndpoints <= 1) {
1652 aprint_error_dev(sc->sc_dev,
1653 "a sync-pipe endpoint but no other endpoint\n");
1654 return USBD_INVAL;
1655 }
1656 #endif
1657 if (!sync && id->bNumEndpoints > 1) {
1658 aprint_error_dev(sc->sc_dev,
1659 "non sync-pipe endpoint but multiple endpoints\n");
1660 return USBD_INVAL;
1661 }
1662 epdesc1 = NULL;
1663 if (id->bNumEndpoints > 1) {
1664 epdesc1 = (const void*)(tbuf + offs);
1665 if (epdesc1->bDescriptorType != UDESC_ENDPOINT)
1666 return USBD_INVAL;
1667 DPRINTF("endpoint[1] bLength=%d "
1668 "bDescriptorType=%d bEndpointAddress=%d "
1669 "bmAttributes=0x%x wMaxPacketSize=%d bInterval=%d "
1670 "bRefresh=%d bSynchAddress=%d\n",
1671 epdesc1->bLength, epdesc1->bDescriptorType,
1672 epdesc1->bEndpointAddress, epdesc1->bmAttributes,
1673 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval,
1674 epdesc1->bRefresh, epdesc1->bSynchAddress);
1675 offs += epdesc1->bLength;
1676 if (offs > size)
1677 return USBD_INVAL;
1678 if (epdesc1->bSynchAddress != 0) {
1679 aprint_error_dev(sc->sc_dev,
1680 "invalid endpoint: bSynchAddress=0\n");
1681 return USBD_INVAL;
1682 }
1683 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) {
1684 aprint_error_dev(sc->sc_dev,
1685 "invalid endpoint: bmAttributes=0x%x\n",
1686 epdesc1->bmAttributes);
1687 return USBD_INVAL;
1688 }
1689 if (epdesc1->bEndpointAddress != ed->bSynchAddress) {
1690 aprint_error_dev(sc->sc_dev,
1691 "invalid endpoint addresses: "
1692 "ep[0]->bSynchAddress=0x%x "
1693 "ep[1]->bEndpointAddress=0x%x\n",
1694 ed->bSynchAddress, epdesc1->bEndpointAddress);
1695 return USBD_INVAL;
1696 }
1697 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */
1698 }
1699
1700 format = UGETW(asid->wFormatTag);
1701 chan = asf1d->bNrChannels;
1702 prec = asf1d->bBitResolution;
1703 if (prec != 8 && prec != 16 && prec != 24) {
1704 aprint_error_dev(sc->sc_dev,
1705 "ignored setting with precision %d\n", prec);
1706 return USBD_NORMAL_COMPLETION;
1707 }
1708 switch (format) {
1709 case UA_FMT_PCM:
1710 if (prec == 8) {
1711 sc->sc_altflags |= HAS_8;
1712 } else if (prec == 16) {
1713 sc->sc_altflags |= HAS_16;
1714 } else if (prec == 24) {
1715 sc->sc_altflags |= HAS_24;
1716 }
1717 enc = AUDIO_ENCODING_SLINEAR_LE;
1718 format_str = "pcm";
1719 break;
1720 case UA_FMT_PCM8:
1721 enc = AUDIO_ENCODING_ULINEAR_LE;
1722 sc->sc_altflags |= HAS_8U;
1723 format_str = "pcm8";
1724 break;
1725 case UA_FMT_ALAW:
1726 enc = AUDIO_ENCODING_ALAW;
1727 sc->sc_altflags |= HAS_ALAW;
1728 format_str = "alaw";
1729 break;
1730 case UA_FMT_MULAW:
1731 enc = AUDIO_ENCODING_ULAW;
1732 sc->sc_altflags |= HAS_MULAW;
1733 format_str = "mulaw";
1734 break;
1735 case UA_FMT_IEEE_FLOAT:
1736 default:
1737 aprint_error_dev(sc->sc_dev,
1738 "ignored setting with format %d\n", format);
1739 return USBD_NORMAL_COMPLETION;
1740 }
1741 #ifdef UAUDIO_DEBUG
1742 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,",
1743 dir == UE_DIR_IN ? "recording" : "playback",
1744 chan, prec, asf1d->bSubFrameSize * 8, format_str);
1745 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) {
1746 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d),
1747 UA_SAMP_HI(asf1d));
1748 } else {
1749 int r;
1750 aprint_debug(" %d", UA_GETSAMP(asf1d, 0));
1751 for (r = 1; r < asf1d->bSamFreqType; r++)
1752 aprint_debug(",%d", UA_GETSAMP(asf1d, r));
1753 aprint_debug("Hz\n");
1754 }
1755 #endif
1756 ai.alt = id->bAlternateSetting;
1757 ai.encoding = enc;
1758 ai.attributes = sed->bmAttributes;
1759 ai.idesc = id;
1760 ai.edesc = ed;
1761 ai.edesc1 = epdesc1;
1762 ai.asf1desc = asf1d;
1763 ai.sc_busy = 0;
1764 ai.aformat = NULL;
1765 ai.ifaceh = NULL;
1766 uaudio_add_alt(sc, &ai);
1767 #ifdef UAUDIO_DEBUG
1768 if (ai.attributes & UA_SED_FREQ_CONTROL)
1769 DPRINTFN(1, "%s", "FREQ_CONTROL\n");
1770 if (ai.attributes & UA_SED_PITCH_CONTROL)
1771 DPRINTFN(1, "%s", "PITCH_CONTROL\n");
1772 #endif
1773 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD;
1774
1775 return USBD_NORMAL_COMPLETION;
1776 }
1777 #undef offs
1778
1779 Static usbd_status
1780 uaudio_identify_as(struct uaudio_softc *sc,
1781 const usb_config_descriptor_t *cdesc)
1782 {
1783 const usb_interface_descriptor_t *id;
1784 const char *tbuf;
1785 struct audio_format *auf;
1786 const struct usb_audio_streaming_type1_descriptor *t1desc;
1787 int size, offs;
1788 int i, j;
1789
1790 size = UGETW(cdesc->wTotalLength);
1791 tbuf = (const char *)cdesc;
1792
1793 /* Locate the AudioStreaming interface descriptor. */
1794 offs = 0;
1795 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM);
1796 if (id == NULL)
1797 return USBD_INVAL;
1798
1799 /* Loop through all the alternate settings. */
1800 while (offs <= size) {
1801 DPRINTFN(2, "interface=%d offset=%d\n",
1802 id->bInterfaceNumber, offs);
1803 switch (id->bNumEndpoints) {
1804 case 0:
1805 DPRINTFN(2, "AS null alt=%d\n",
1806 id->bAlternateSetting);
1807 sc->sc_nullalt = id->bAlternateSetting;
1808 break;
1809 case 1:
1810 #ifdef UAUDIO_MULTIPLE_ENDPOINTS
1811 case 2:
1812 #endif
1813 uaudio_process_as(sc, tbuf, &offs, size, id);
1814 break;
1815 default:
1816 aprint_error_dev(sc->sc_dev,
1817 "ignored audio interface with %d endpoints\n",
1818 id->bNumEndpoints);
1819 break;
1820 }
1821 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM);
1822 if (id == NULL)
1823 break;
1824 }
1825 if (offs > size)
1826 return USBD_INVAL;
1827 DPRINTF("%d alts available\n", sc->sc_nalts);
1828
1829 if (sc->sc_mode == 0) {
1830 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n");
1831 return USBD_INVAL;
1832 }
1833
1834 /* build audio_format array */
1835 sc->sc_formats = malloc(sizeof(struct audio_format) * sc->sc_nalts,
1836 M_USBDEV, M_NOWAIT);
1837 if (sc->sc_formats == NULL)
1838 return USBD_NOMEM;
1839 sc->sc_nformats = sc->sc_nalts;
1840 for (i = 0; i < sc->sc_nalts; i++) {
1841 auf = &sc->sc_formats[i];
1842 t1desc = sc->sc_alts[i].asf1desc;
1843 auf->driver_data = NULL;
1844 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT)
1845 auf->mode = AUMODE_PLAY;
1846 else
1847 auf->mode = AUMODE_RECORD;
1848 auf->encoding = sc->sc_alts[i].encoding;
1849 auf->validbits = t1desc->bBitResolution;
1850 auf->precision = t1desc->bSubFrameSize * 8;
1851 auf->channels = t1desc->bNrChannels;
1852 auf->channel_mask = sc->sc_channel_config;
1853 auf->frequency_type = t1desc->bSamFreqType;
1854 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) {
1855 auf->frequency[0] = UA_SAMP_LO(t1desc);
1856 auf->frequency[1] = UA_SAMP_HI(t1desc);
1857 } else {
1858 for (j = 0; j < t1desc->bSamFreqType; j++) {
1859 if (j >= AUFMT_MAX_FREQUENCIES) {
1860 aprint_error("%s: please increase "
1861 "AUFMT_MAX_FREQUENCIES to %d\n",
1862 __func__, t1desc->bSamFreqType);
1863 auf->frequency_type =
1864 AUFMT_MAX_FREQUENCIES;
1865 break;
1866 }
1867 auf->frequency[j] = UA_GETSAMP(t1desc, j);
1868 }
1869 }
1870 sc->sc_alts[i].aformat = auf;
1871 }
1872
1873 if (0 != auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
1874 &sc->sc_encodings)) {
1875 free(sc->sc_formats, M_DEVBUF);
1876 sc->sc_formats = NULL;
1877 return ENOMEM;
1878 }
1879
1880 return USBD_NORMAL_COMPLETION;
1881 }
1882
1883 #ifdef UAUDIO_DEBUG
1884 Static void
1885 uaudio_dump_tml(struct terminal_list *tml) {
1886 if (tml == NULL) {
1887 printf("NULL");
1888 } else {
1889 int i;
1890 for (i = 0; i < tml->size; i++)
1891 printf("%s ", uaudio_get_terminal_name
1892 (tml->terminals[i]));
1893 }
1894 printf("\n");
1895 }
1896 #endif
1897
1898 Static usbd_status
1899 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc)
1900 {
1901 struct io_terminal* iot;
1902 const usb_interface_descriptor_t *id;
1903 const struct usb_audio_control_descriptor *acdp;
1904 const uaudio_cs_descriptor_t *dp;
1905 const struct usb_audio_output_terminal *pot;
1906 struct terminal_list *tml;
1907 const char *tbuf, *ibuf, *ibufend;
1908 int size, offs, ndps, i, j;
1909
1910 size = UGETW(cdesc->wTotalLength);
1911 tbuf = (const char *)cdesc;
1912
1913 /* Locate the AudioControl interface descriptor. */
1914 offs = 0;
1915 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL);
1916 if (id == NULL)
1917 return USBD_INVAL;
1918 if (offs + sizeof *acdp > size)
1919 return USBD_INVAL;
1920 sc->sc_ac_iface = id->bInterfaceNumber;
1921 DPRINTFN(2,"AC interface is %d\n", sc->sc_ac_iface);
1922
1923 /* A class-specific AC interface header should follow. */
1924 ibuf = tbuf + offs;
1925 ibufend = tbuf + size;
1926 acdp = (const struct usb_audio_control_descriptor *)ibuf;
1927 if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
1928 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
1929 return USBD_INVAL;
1930
1931 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
1932 UGETW(acdp->bcdADC) != UAUDIO_VERSION)
1933 return USBD_INVAL;
1934
1935 sc->sc_audio_rev = UGETW(acdp->bcdADC);
1936 DPRINTFN(2, "found AC header, vers=%03x\n", sc->sc_audio_rev);
1937
1938 sc->sc_nullalt = -1;
1939
1940 /* Scan through all the AC specific descriptors */
1941 dp = (const uaudio_cs_descriptor_t *)ibuf;
1942 ndps = 0;
1943 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
1944 if (iot == NULL) {
1945 aprint_error("%s: no memory\n", __func__);
1946 return USBD_NOMEM;
1947 }
1948 for (;;) {
1949 ibuf += dp->bLength;
1950 if (ibuf >= ibufend)
1951 break;
1952 dp = (const uaudio_cs_descriptor_t *)ibuf;
1953 if (ibuf + dp->bLength > ibufend) {
1954 free(iot, M_TEMP);
1955 return USBD_INVAL;
1956 }
1957 if (dp->bDescriptorType != UDESC_CS_INTERFACE)
1958 break;
1959 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
1960 iot[i].d.desc = dp;
1961 if (i > ndps)
1962 ndps = i;
1963 }
1964 ndps++;
1965
1966 /* construct io_terminal */
1967 for (i = 0; i < ndps; i++) {
1968 dp = iot[i].d.desc;
1969 if (dp == NULL)
1970 continue;
1971 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT)
1972 continue;
1973 pot = iot[i].d.ot;
1974 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i);
1975 if (tml != NULL)
1976 free(tml, M_TEMP);
1977 }
1978
1979 #ifdef UAUDIO_DEBUG
1980 for (i = 0; i < 256; i++) {
1981 struct usb_audio_cluster cluster;
1982
1983 if (iot[i].d.desc == NULL)
1984 continue;
1985 printf("id %d:\t", i);
1986 switch (iot[i].d.desc->bDescriptorSubtype) {
1987 case UDESCSUB_AC_INPUT:
1988 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name
1989 (UGETW(iot[i].d.it->wTerminalType)));
1990 printf("\t");
1991 cluster = uaudio_get_cluster(i, iot);
1992 uaudio_dump_cluster(&cluster);
1993 printf("\n");
1994 break;
1995 case UDESCSUB_AC_OUTPUT:
1996 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name
1997 (UGETW(iot[i].d.ot->wTerminalType)));
1998 printf("src=%d\n", iot[i].d.ot->bSourceId);
1999 break;
2000 case UDESCSUB_AC_MIXER:
2001 printf("AC_MIXER src=");
2002 for (j = 0; j < iot[i].d.mu->bNrInPins; j++)
2003 printf("%d ", iot[i].d.mu->baSourceId[j]);
2004 printf("\n\t");
2005 cluster = uaudio_get_cluster(i, iot);
2006 uaudio_dump_cluster(&cluster);
2007 printf("\n");
2008 break;
2009 case UDESCSUB_AC_SELECTOR:
2010 printf("AC_SELECTOR src=");
2011 for (j = 0; j < iot[i].d.su->bNrInPins; j++)
2012 printf("%d ", iot[i].d.su->baSourceId[j]);
2013 printf("\n");
2014 break;
2015 case UDESCSUB_AC_FEATURE:
2016 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId);
2017 break;
2018 case UDESCSUB_AC_PROCESSING:
2019 printf("AC_PROCESSING src=");
2020 for (j = 0; j < iot[i].d.pu->bNrInPins; j++)
2021 printf("%d ", iot[i].d.pu->baSourceId[j]);
2022 printf("\n\t");
2023 cluster = uaudio_get_cluster(i, iot);
2024 uaudio_dump_cluster(&cluster);
2025 printf("\n");
2026 break;
2027 case UDESCSUB_AC_EXTENSION:
2028 printf("AC_EXTENSION src=");
2029 for (j = 0; j < iot[i].d.eu->bNrInPins; j++)
2030 printf("%d ", iot[i].d.eu->baSourceId[j]);
2031 printf("\n\t");
2032 cluster = uaudio_get_cluster(i, iot);
2033 uaudio_dump_cluster(&cluster);
2034 printf("\n");
2035 break;
2036 default:
2037 printf("unknown audio control (subtype=%d)\n",
2038 iot[i].d.desc->bDescriptorSubtype);
2039 }
2040 for (j = 0; j < iot[i].inputs_size; j++) {
2041 printf("\tinput%d: ", j);
2042 uaudio_dump_tml(iot[i].inputs[j]);
2043 }
2044 printf("\toutput: ");
2045 uaudio_dump_tml(iot[i].output);
2046 }
2047 #endif
2048
2049 for (i = 0; i < ndps; i++) {
2050 dp = iot[i].d.desc;
2051 if (dp == NULL)
2052 continue;
2053 DPRINTF("id=%d subtype=%d\n", i, dp->bDescriptorSubtype);
2054 switch (dp->bDescriptorSubtype) {
2055 case UDESCSUB_AC_HEADER:
2056 aprint_error("uaudio_identify_ac: unexpected AC header\n");
2057 break;
2058 case UDESCSUB_AC_INPUT:
2059 uaudio_add_input(sc, iot, i);
2060 break;
2061 case UDESCSUB_AC_OUTPUT:
2062 uaudio_add_output(sc, iot, i);
2063 break;
2064 case UDESCSUB_AC_MIXER:
2065 uaudio_add_mixer(sc, iot, i);
2066 break;
2067 case UDESCSUB_AC_SELECTOR:
2068 uaudio_add_selector(sc, iot, i);
2069 break;
2070 case UDESCSUB_AC_FEATURE:
2071 uaudio_add_feature(sc, iot, i);
2072 break;
2073 case UDESCSUB_AC_PROCESSING:
2074 uaudio_add_processing(sc, iot, i);
2075 break;
2076 case UDESCSUB_AC_EXTENSION:
2077 uaudio_add_extension(sc, iot, i);
2078 break;
2079 default:
2080 aprint_error(
2081 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n",
2082 dp->bDescriptorSubtype);
2083 break;
2084 }
2085 }
2086
2087 /* delete io_terminal */
2088 for (i = 0; i < 256; i++) {
2089 if (iot[i].d.desc == NULL)
2090 continue;
2091 if (iot[i].inputs != NULL) {
2092 for (j = 0; j < iot[i].inputs_size; j++) {
2093 if (iot[i].inputs[j] != NULL)
2094 free(iot[i].inputs[j], M_TEMP);
2095 }
2096 free(iot[i].inputs, M_TEMP);
2097 }
2098 if (iot[i].output != NULL)
2099 free(iot[i].output, M_TEMP);
2100 iot[i].d.desc = NULL;
2101 }
2102 free(iot, M_TEMP);
2103
2104 return USBD_NORMAL_COMPLETION;
2105 }
2106
2107 Static int
2108 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi)
2109 {
2110 struct uaudio_softc *sc;
2111 struct mixerctl *mc;
2112 int n, nctls, i;
2113
2114 DPRINTFN(7, "index=%d\n", mi->index);
2115 sc = addr;
2116 if (sc->sc_dying)
2117 return EIO;
2118
2119 n = mi->index;
2120 nctls = sc->sc_nctls;
2121
2122 switch (n) {
2123 case UAC_OUTPUT:
2124 mi->type = AUDIO_MIXER_CLASS;
2125 mi->mixer_class = UAC_OUTPUT;
2126 mi->next = mi->prev = AUDIO_MIXER_LAST;
2127 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name));
2128 return 0;
2129 case UAC_INPUT:
2130 mi->type = AUDIO_MIXER_CLASS;
2131 mi->mixer_class = UAC_INPUT;
2132 mi->next = mi->prev = AUDIO_MIXER_LAST;
2133 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name));
2134 return 0;
2135 case UAC_EQUAL:
2136 mi->type = AUDIO_MIXER_CLASS;
2137 mi->mixer_class = UAC_EQUAL;
2138 mi->next = mi->prev = AUDIO_MIXER_LAST;
2139 strlcpy(mi->label.name, AudioCequalization,
2140 sizeof(mi->label.name));
2141 return 0;
2142 case UAC_RECORD:
2143 mi->type = AUDIO_MIXER_CLASS;
2144 mi->mixer_class = UAC_RECORD;
2145 mi->next = mi->prev = AUDIO_MIXER_LAST;
2146 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name));
2147 return 0;
2148 default:
2149 break;
2150 }
2151
2152 n -= UAC_NCLASSES;
2153 if (n < 0 || n >= nctls)
2154 return ENXIO;
2155
2156 mc = &sc->sc_ctls[n];
2157 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name));
2158 mi->mixer_class = mc->class;
2159 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */
2160 switch (mc->type) {
2161 case MIX_ON_OFF:
2162 mi->type = AUDIO_MIXER_ENUM;
2163 mi->un.e.num_mem = 2;
2164 strlcpy(mi->un.e.member[0].label.name, AudioNoff,
2165 sizeof(mi->un.e.member[0].label.name));
2166 mi->un.e.member[0].ord = 0;
2167 strlcpy(mi->un.e.member[1].label.name, AudioNon,
2168 sizeof(mi->un.e.member[1].label.name));
2169 mi->un.e.member[1].ord = 1;
2170 break;
2171 case MIX_SELECTOR:
2172 mi->type = AUDIO_MIXER_ENUM;
2173 mi->un.e.num_mem = mc->maxval - mc->minval + 1;
2174 for (i = 0; i <= mc->maxval - mc->minval; i++) {
2175 snprintf(mi->un.e.member[i].label.name,
2176 sizeof(mi->un.e.member[i].label.name),
2177 "%d", i + mc->minval);
2178 mi->un.e.member[i].ord = i + mc->minval;
2179 }
2180 break;
2181 default:
2182 mi->type = AUDIO_MIXER_VALUE;
2183 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN);
2184 mi->un.v.num_channels = mc->nchan;
2185 mi->un.v.delta = mc->delta;
2186 break;
2187 }
2188 return 0;
2189 }
2190
2191 Static int
2192 uaudio_open(void *addr, int flags)
2193 {
2194 struct uaudio_softc *sc;
2195
2196 sc = addr;
2197 DPRINTF("sc=%p\n", sc);
2198 if (sc->sc_dying)
2199 return EIO;
2200
2201 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY))
2202 return EACCES;
2203 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD))
2204 return EACCES;
2205
2206 return 0;
2207 }
2208
2209 /*
2210 * Close function is called at splaudio().
2211 */
2212 Static void
2213 uaudio_close(void *addr)
2214 {
2215 }
2216
2217 Static int
2218 uaudio_drain(void *addr)
2219 {
2220 struct uaudio_softc *sc = addr;
2221
2222 KASSERT(mutex_owned(&sc->sc_intr_lock));
2223
2224 kpause("uaudiodr", false,
2225 mstohz(UAUDIO_NCHANBUFS * UAUDIO_NFRAMES), &sc->sc_intr_lock);
2226
2227 return 0;
2228 }
2229
2230 Static int
2231 uaudio_halt_out_dma(void *addr)
2232 {
2233 struct uaudio_softc *sc = addr;
2234
2235 DPRINTF("%s", "enter\n");
2236
2237 mutex_spin_exit(&sc->sc_intr_lock);
2238 if (sc->sc_playchan.pipe != NULL) {
2239 uaudio_chan_close(sc, &sc->sc_playchan);
2240 uaudio_chan_free_buffers(sc, &sc->sc_playchan);
2241 sc->sc_playchan.intr = NULL;
2242 }
2243 mutex_spin_enter(&sc->sc_intr_lock);
2244
2245 return 0;
2246 }
2247
2248 Static int
2249 uaudio_halt_in_dma(void *addr)
2250 {
2251 struct uaudio_softc *sc = addr;
2252
2253 DPRINTF("%s", "enter\n");
2254
2255 mutex_spin_exit(&sc->sc_intr_lock);
2256 if (sc->sc_recchan.pipe != NULL) {
2257 uaudio_chan_close(sc, &sc->sc_recchan);
2258 uaudio_chan_free_buffers(sc, &sc->sc_recchan);
2259 sc->sc_recchan.intr = NULL;
2260 }
2261 mutex_spin_enter(&sc->sc_intr_lock);
2262
2263 return 0;
2264 }
2265
2266 Static int
2267 uaudio_getdev(void *addr, struct audio_device *retp)
2268 {
2269 struct uaudio_softc *sc;
2270
2271 DPRINTF("%s", "\n");
2272 sc = addr;
2273 if (sc->sc_dying)
2274 return EIO;
2275
2276 *retp = sc->sc_adev;
2277 return 0;
2278 }
2279
2280 /*
2281 * Make sure the block size is large enough to hold all outstanding transfers.
2282 */
2283 Static int
2284 uaudio_round_blocksize(void *addr, int blk,
2285 int mode, const audio_params_t *param)
2286 {
2287 struct uaudio_softc *sc;
2288 int b;
2289
2290 sc = addr;
2291 DPRINTF("blk=%d mode=%s\n", blk,
2292 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD");
2293
2294 /* chan.bytes_per_frame can be 0. */
2295 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) {
2296 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2297
2298 /*
2299 * This does not make accurate value in the case
2300 * of b % USB_FRAMES_PER_SECOND != 0
2301 */
2302 b /= USB_FRAMES_PER_SECOND;
2303
2304 b *= param->precision / 8 * param->channels;
2305 } else {
2306 /*
2307 * use wMaxPacketSize in bytes_per_frame.
2308 * See uaudio_set_params() and uaudio_chan_init()
2309 */
2310 b = sc->sc_recchan.bytes_per_frame
2311 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS;
2312 }
2313
2314 if (b <= 0)
2315 b = 1;
2316 blk = blk <= b ? b : blk / b * b;
2317
2318 #ifdef DIAGNOSTIC
2319 if (blk <= 0) {
2320 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk);
2321 blk = 512;
2322 }
2323 #endif
2324
2325 DPRINTF("resultant blk=%d\n", blk);
2326 return blk;
2327 }
2328
2329 Static int
2330 uaudio_get_props(void *addr)
2331 {
2332 return AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT;
2333
2334 }
2335
2336 Static void
2337 uaudio_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
2338 {
2339 struct uaudio_softc *sc;
2340
2341 sc = addr;
2342 *intr = &sc->sc_intr_lock;
2343 *thread = &sc->sc_lock;
2344 }
2345
2346 Static int
2347 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue,
2348 int wIndex, int len)
2349 {
2350 usb_device_request_t req;
2351 u_int8_t data[4];
2352 usbd_status err;
2353 int val;
2354
2355 if (wValue == -1)
2356 return 0;
2357
2358 req.bmRequestType = type;
2359 req.bRequest = which;
2360 USETW(req.wValue, wValue);
2361 USETW(req.wIndex, wIndex);
2362 USETW(req.wLength, len);
2363 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2364 "wIndex=0x%04x len=%d\n",
2365 type, which, wValue, wIndex, len);
2366 err = usbd_do_request(sc->sc_udev, &req, data);
2367 if (err) {
2368 DPRINTF("err=%s\n", usbd_errstr(err));
2369 return -1;
2370 }
2371 switch (len) {
2372 case 1:
2373 val = data[0];
2374 break;
2375 case 2:
2376 val = data[0] | (data[1] << 8);
2377 break;
2378 default:
2379 DPRINTF("bad length=%d\n", len);
2380 return -1;
2381 }
2382 DPRINTFN(2,"val=%d\n", val);
2383 return val;
2384 }
2385
2386 Static void
2387 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue,
2388 int wIndex, int len, int val)
2389 {
2390 usb_device_request_t req;
2391 u_int8_t data[4];
2392 int err __unused;
2393
2394 if (wValue == -1)
2395 return;
2396
2397 req.bmRequestType = type;
2398 req.bRequest = which;
2399 USETW(req.wValue, wValue);
2400 USETW(req.wIndex, wIndex);
2401 USETW(req.wLength, len);
2402 switch (len) {
2403 case 1:
2404 data[0] = val;
2405 break;
2406 case 2:
2407 data[0] = val;
2408 data[1] = val >> 8;
2409 break;
2410 default:
2411 return;
2412 }
2413 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x "
2414 "wIndex=0x%04x len=%d, val=%d\n",
2415 type, which, wValue, wIndex, len, val & 0xffff);
2416 err = usbd_do_request(sc->sc_udev, &req, data);
2417 #ifdef UAUDIO_DEBUG
2418 if (err)
2419 DPRINTF("err=%d\n", err);
2420 #endif
2421 }
2422
2423 Static int
2424 uaudio_signext(int type, int val)
2425 {
2426 if (!MIX_UNSIGNED(type)) {
2427 if (MIX_SIZE(type) == 2)
2428 val = (int16_t)val;
2429 else
2430 val = (int8_t)val;
2431 }
2432 return val;
2433 }
2434
2435 Static int
2436 uaudio_value2bsd(struct mixerctl *mc, int val)
2437 {
2438 DPRINTFN(5, "type=%03x val=%d min=%d max=%d ",
2439 mc->type, val, mc->minval, mc->maxval);
2440 if (mc->type == MIX_ON_OFF) {
2441 val = (val != 0);
2442 } else if (mc->type == MIX_SELECTOR) {
2443 if (val < mc->minval || val > mc->maxval)
2444 val = mc->minval;
2445 } else
2446 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255
2447 + mc->mul/2) / mc->mul;
2448 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2449 return val;
2450 }
2451
2452 int
2453 uaudio_bsd2value(struct mixerctl *mc, int val)
2454 {
2455 DPRINTFN(5,"type=%03x val=%d min=%d max=%d ",
2456 mc->type, val, mc->minval, mc->maxval);
2457 if (mc->type == MIX_ON_OFF) {
2458 val = (val != 0);
2459 } else if (mc->type == MIX_SELECTOR) {
2460 if (val < mc->minval || val > mc->maxval)
2461 val = mc->minval;
2462 } else
2463 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval;
2464 DPRINTFN_CLEAN(5, "val'=%d\n", val);
2465 return val;
2466 }
2467
2468 Static int
2469 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2470 int chan)
2471 {
2472 int val;
2473
2474 DPRINTFN(5,"which=%d chan=%d\n", which, chan);
2475 mutex_exit(&sc->sc_lock);
2476 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan],
2477 mc->wIndex, MIX_SIZE(mc->type));
2478 mutex_enter(&sc->sc_lock);
2479 return uaudio_value2bsd(mc, val);
2480 }
2481
2482 Static void
2483 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc,
2484 int chan, int val)
2485 {
2486
2487 val = uaudio_bsd2value(mc, val);
2488 mutex_exit(&sc->sc_lock);
2489 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan],
2490 mc->wIndex, MIX_SIZE(mc->type), val);
2491 mutex_enter(&sc->sc_lock);
2492 }
2493
2494 Static int
2495 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp)
2496 {
2497 struct uaudio_softc *sc;
2498 struct mixerctl *mc;
2499 int i, n, vals[MIX_MAX_CHAN], val;
2500
2501 DPRINTFN(2, "index=%d\n", cp->dev);
2502 sc = addr;
2503 if (sc->sc_dying)
2504 return EIO;
2505
2506 n = cp->dev - UAC_NCLASSES;
2507 if (n < 0 || n >= sc->sc_nctls)
2508 return ENXIO;
2509 mc = &sc->sc_ctls[n];
2510
2511 if (mc->type == MIX_ON_OFF) {
2512 if (cp->type != AUDIO_MIXER_ENUM)
2513 return EINVAL;
2514 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2515 } else if (mc->type == MIX_SELECTOR) {
2516 if (cp->type != AUDIO_MIXER_ENUM)
2517 return EINVAL;
2518 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0);
2519 } else {
2520 if (cp->type != AUDIO_MIXER_VALUE)
2521 return EINVAL;
2522 if (cp->un.value.num_channels != 1 &&
2523 cp->un.value.num_channels != mc->nchan)
2524 return EINVAL;
2525 for (i = 0; i < mc->nchan; i++)
2526 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i);
2527 if (cp->un.value.num_channels == 1 && mc->nchan != 1) {
2528 for (val = 0, i = 0; i < mc->nchan; i++)
2529 val += vals[i];
2530 vals[0] = val / mc->nchan;
2531 }
2532 for (i = 0; i < cp->un.value.num_channels; i++)
2533 cp->un.value.level[i] = vals[i];
2534 }
2535
2536 return 0;
2537 }
2538
2539 Static int
2540 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp)
2541 {
2542 struct uaudio_softc *sc;
2543 struct mixerctl *mc;
2544 int i, n, vals[MIX_MAX_CHAN];
2545
2546 DPRINTFN(2, "index = %d\n", cp->dev);
2547 sc = addr;
2548 if (sc->sc_dying)
2549 return EIO;
2550
2551 n = cp->dev - UAC_NCLASSES;
2552 if (n < 0 || n >= sc->sc_nctls)
2553 return ENXIO;
2554 mc = &sc->sc_ctls[n];
2555
2556 if (mc->type == MIX_ON_OFF) {
2557 if (cp->type != AUDIO_MIXER_ENUM)
2558 return EINVAL;
2559 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2560 } else if (mc->type == MIX_SELECTOR) {
2561 if (cp->type != AUDIO_MIXER_ENUM)
2562 return EINVAL;
2563 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord);
2564 } else {
2565 if (cp->type != AUDIO_MIXER_VALUE)
2566 return EINVAL;
2567 if (cp->un.value.num_channels == 1)
2568 for (i = 0; i < mc->nchan; i++)
2569 vals[i] = cp->un.value.level[0];
2570 else if (cp->un.value.num_channels == mc->nchan)
2571 for (i = 0; i < mc->nchan; i++)
2572 vals[i] = cp->un.value.level[i];
2573 else
2574 return EINVAL;
2575 for (i = 0; i < mc->nchan; i++)
2576 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]);
2577 }
2578 return 0;
2579 }
2580
2581 Static int
2582 uaudio_trigger_input(void *addr, void *start, void *end, int blksize,
2583 void (*intr)(void *), void *arg,
2584 const audio_params_t *param)
2585 {
2586 struct uaudio_softc *sc;
2587 struct chan *ch;
2588 usbd_status err;
2589 int i;
2590
2591 sc = addr;
2592 if (sc->sc_dying)
2593 return EIO;
2594
2595 DPRINTFN(3, "sc=%p start=%p end=%p "
2596 "blksize=%d\n", sc, start, end, blksize);
2597 ch = &sc->sc_recchan;
2598 uaudio_chan_set_param(ch, start, end, blksize);
2599 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2600 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2601 ch->fraction);
2602
2603 mutex_spin_exit(&sc->sc_intr_lock);
2604 err = uaudio_chan_alloc_buffers(sc, ch);
2605 if (err) {
2606 mutex_spin_enter(&sc->sc_intr_lock);
2607 return EIO;
2608 }
2609
2610 err = uaudio_chan_open(sc, ch);
2611 if (err) {
2612 uaudio_chan_free_buffers(sc, ch);
2613 mutex_spin_enter(&sc->sc_intr_lock);
2614 return EIO;
2615 }
2616
2617 ch->intr = intr;
2618 ch->arg = arg;
2619
2620 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */
2621 uaudio_chan_rtransfer(ch);
2622 mutex_spin_enter(&sc->sc_intr_lock);
2623
2624 return 0;
2625 }
2626
2627 Static int
2628 uaudio_trigger_output(void *addr, void *start, void *end, int blksize,
2629 void (*intr)(void *), void *arg,
2630 const audio_params_t *param)
2631 {
2632 struct uaudio_softc *sc;
2633 struct chan *ch;
2634 usbd_status err;
2635 int i;
2636
2637 sc = addr;
2638 if (sc->sc_dying)
2639 return EIO;
2640
2641 DPRINTFN(3, "sc=%p start=%p end=%p "
2642 "blksize=%d\n", sc, start, end, blksize);
2643 ch = &sc->sc_playchan;
2644 uaudio_chan_set_param(ch, start, end, blksize);
2645 DPRINTFN(3, "sample_size=%d bytes/frame=%d "
2646 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame,
2647 ch->fraction);
2648
2649 mutex_spin_exit(&sc->sc_intr_lock);
2650 err = uaudio_chan_alloc_buffers(sc, ch);
2651 if (err) {
2652 mutex_spin_enter(&sc->sc_intr_lock);
2653 return EIO;
2654 }
2655
2656 err = uaudio_chan_open(sc, ch);
2657 if (err) {
2658 uaudio_chan_free_buffers(sc, ch);
2659 mutex_spin_enter(&sc->sc_intr_lock);
2660 return EIO;
2661 }
2662
2663 ch->intr = intr;
2664 ch->arg = arg;
2665
2666 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */
2667 uaudio_chan_ptransfer(ch);
2668 mutex_spin_enter(&sc->sc_intr_lock);
2669
2670 return 0;
2671 }
2672
2673 /* Set up a pipe for a channel. */
2674 Static usbd_status
2675 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
2676 {
2677 struct as_info *as;
2678 usb_device_descriptor_t *ddesc;
2679 int endpt;
2680 usbd_status err;
2681
2682 as = &sc->sc_alts[ch->altidx];
2683 endpt = as->edesc->bEndpointAddress;
2684 DPRINTF("endpt=0x%02x, speed=%d, alt=%d\n",
2685 endpt, ch->sample_rate, as->alt);
2686
2687 /* Set alternate interface corresponding to the mode. */
2688 err = usbd_set_interface(as->ifaceh, as->alt);
2689 if (err)
2690 return err;
2691
2692 /*
2693 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
2694 */
2695 ddesc = usbd_get_device_descriptor(sc->sc_udev);
2696 if ((UGETW(ddesc->idVendor) != USB_VENDOR_ROLAND) &&
2697 (UGETW(ddesc->idProduct) != USB_PRODUCT_ROLAND_SD90)) {
2698 err = uaudio_set_speed(sc, endpt, ch->sample_rate);
2699 if (err) {
2700 DPRINTF("set_speed failed err=%s\n", usbd_errstr(err));
2701 }
2702 }
2703
2704 DPRINTF("create pipe to 0x%02x\n", endpt);
2705 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, &ch->pipe);
2706 if (err)
2707 return err;
2708 if (as->edesc1 != NULL) {
2709 endpt = as->edesc1->bEndpointAddress;
2710 DPRINTF("create sync-pipe to 0x%02x\n", endpt);
2711 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE,
2712 &ch->sync_pipe);
2713 }
2714 return err;
2715 }
2716
2717 Static void
2718 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch)
2719 {
2720 usbd_pipe_handle pipe;
2721 struct as_info *as;
2722
2723 as = &sc->sc_alts[ch->altidx];
2724 as->sc_busy = 0;
2725 AUFMT_VALIDATE(as->aformat);
2726 if (sc->sc_nullalt >= 0) {
2727 DPRINTF("set null alt=%d\n", sc->sc_nullalt);
2728 usbd_set_interface(as->ifaceh, sc->sc_nullalt);
2729 }
2730 pipe = atomic_swap_ptr(&ch->pipe, NULL);
2731 if (pipe) {
2732 usbd_abort_pipe(pipe);
2733 usbd_close_pipe(pipe);
2734 }
2735 pipe = atomic_swap_ptr(&ch->sync_pipe, NULL);
2736 if (pipe) {
2737 usbd_abort_pipe(pipe);
2738 usbd_close_pipe(pipe);
2739 }
2740 }
2741
2742 Static usbd_status
2743 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch)
2744 {
2745 usbd_xfer_handle xfer;
2746 void *tbuf;
2747 int i, size;
2748
2749 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
2750 for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
2751 xfer = usbd_alloc_xfer(sc->sc_udev);
2752 if (xfer == 0)
2753 goto bad;
2754 ch->chanbufs[i].xfer = xfer;
2755 tbuf = usbd_alloc_buffer(xfer, size);
2756 if (tbuf == 0) {
2757 i++;
2758 goto bad;
2759 }
2760 ch->chanbufs[i].buffer = tbuf;
2761 ch->chanbufs[i].chan = ch;
2762 }
2763
2764 return USBD_NORMAL_COMPLETION;
2765
2766 bad:
2767 while (--i >= 0)
2768 /* implicit buffer free */
2769 usbd_free_xfer(ch->chanbufs[i].xfer);
2770 return USBD_NOMEM;
2771 }
2772
2773 Static void
2774 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch)
2775 {
2776 int i;
2777
2778 for (i = 0; i < UAUDIO_NCHANBUFS; i++)
2779 usbd_free_xfer(ch->chanbufs[i].xfer);
2780 }
2781
2782 /* Called with USB lock held. */
2783 Static void
2784 uaudio_chan_ptransfer(struct chan *ch)
2785 {
2786 struct chanbuf *cb;
2787 int i, n, size, residue, total;
2788
2789 if (ch->sc->sc_dying)
2790 return;
2791
2792 /* Pick the next channel buffer. */
2793 cb = &ch->chanbufs[ch->curchanbuf];
2794 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2795 ch->curchanbuf = 0;
2796
2797 /* Compute the size of each frame in the next transfer. */
2798 residue = ch->residue;
2799 total = 0;
2800 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2801 size = ch->bytes_per_frame;
2802 residue += ch->fraction;
2803 if (residue >= USB_FRAMES_PER_SECOND) {
2804 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0)
2805 size += ch->sample_size;
2806 residue -= USB_FRAMES_PER_SECOND;
2807 }
2808 cb->sizes[i] = size;
2809 total += size;
2810 }
2811 ch->residue = residue;
2812 cb->size = total;
2813
2814 /*
2815 * Transfer data from upper layer buffer to channel buffer, taking
2816 * care of wrapping the upper layer buffer.
2817 */
2818 n = min(total, ch->end - ch->cur);
2819 memcpy(cb->buffer, ch->cur, n);
2820 ch->cur += n;
2821 if (ch->cur >= ch->end)
2822 ch->cur = ch->start;
2823 if (total > n) {
2824 total -= n;
2825 memcpy(cb->buffer + n, ch->cur, total);
2826 ch->cur += total;
2827 }
2828
2829 #ifdef UAUDIO_DEBUG
2830 if (uaudiodebug > 8) {
2831 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2832 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2833 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2834 }
2835 }
2836 #endif
2837
2838 //DPRINTFN(5, "ptransfer xfer=%p\n", cb->xfer);
2839 /* Fill the request */
2840 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2841 UAUDIO_NFRAMES, USBD_NO_COPY,
2842 uaudio_chan_pintr);
2843
2844 (void)usbd_transfer(cb->xfer);
2845 }
2846
2847 Static void
2848 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2849 usbd_status status)
2850 {
2851 struct chanbuf *cb;
2852 struct chan *ch;
2853 uint32_t count;
2854
2855 cb = priv;
2856 ch = cb->chan;
2857 /* Return if we are aborting. */
2858 if (status == USBD_CANCELLED)
2859 return;
2860
2861 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2862 DPRINTFN(5, "count=%d, transferred=%d\n",
2863 count, ch->transferred);
2864 #ifdef DIAGNOSTIC
2865 if (count != cb->size) {
2866 aprint_error("uaudio_chan_pintr: count(%d) != size(%d)\n",
2867 count, cb->size);
2868 }
2869 #endif
2870
2871 ch->transferred += cb->size;
2872 mutex_spin_enter(&ch->sc->sc_intr_lock);
2873 /* Call back to upper layer */
2874 while (ch->transferred >= ch->blksize) {
2875 ch->transferred -= ch->blksize;
2876 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2877 ch->intr(ch->arg);
2878 }
2879 mutex_spin_exit(&ch->sc->sc_intr_lock);
2880
2881 /* start next transfer */
2882 uaudio_chan_ptransfer(ch);
2883 }
2884
2885 /* Called with USB lock held. */
2886 Static void
2887 uaudio_chan_rtransfer(struct chan *ch)
2888 {
2889 struct chanbuf *cb;
2890 int i, size, residue, total;
2891
2892 if (ch->sc->sc_dying)
2893 return;
2894
2895 /* Pick the next channel buffer. */
2896 cb = &ch->chanbufs[ch->curchanbuf];
2897 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS)
2898 ch->curchanbuf = 0;
2899
2900 /* Compute the size of each frame in the next transfer. */
2901 residue = ch->residue;
2902 total = 0;
2903 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2904 size = ch->bytes_per_frame;
2905 cb->sizes[i] = size;
2906 cb->offsets[i] = total;
2907 total += size;
2908 }
2909 ch->residue = residue;
2910 cb->size = total;
2911
2912 #ifdef UAUDIO_DEBUG
2913 if (uaudiodebug > 8) {
2914 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue);
2915 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2916 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]);
2917 }
2918 }
2919 #endif
2920
2921 DPRINTFN(5, "transfer xfer=%p\n", cb->xfer);
2922 /* Fill the request */
2923 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes,
2924 UAUDIO_NFRAMES, USBD_NO_COPY,
2925 uaudio_chan_rintr);
2926
2927 (void)usbd_transfer(cb->xfer);
2928 }
2929
2930 Static void
2931 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv,
2932 usbd_status status)
2933 {
2934 struct chanbuf *cb;
2935 struct chan *ch;
2936 uint32_t count;
2937 int i, n, frsize;
2938
2939 cb = priv;
2940 ch = cb->chan;
2941 /* Return if we are aborting. */
2942 if (status == USBD_CANCELLED)
2943 return;
2944
2945 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
2946 DPRINTFN(5, "count=%d, transferred=%d\n", count, ch->transferred);
2947
2948 /* count < cb->size is normal for asynchronous source */
2949 #ifdef DIAGNOSTIC
2950 if (count > cb->size) {
2951 aprint_error("uaudio_chan_rintr: count(%d) > size(%d)\n",
2952 count, cb->size);
2953 }
2954 #endif
2955
2956 /*
2957 * Transfer data from channel buffer to upper layer buffer, taking
2958 * care of wrapping the upper layer buffer.
2959 */
2960 for (i = 0; i < UAUDIO_NFRAMES; i++) {
2961 frsize = cb->sizes[i];
2962 n = min(frsize, ch->end - ch->cur);
2963 memcpy(ch->cur, cb->buffer + cb->offsets[i], n);
2964 ch->cur += n;
2965 if (ch->cur >= ch->end)
2966 ch->cur = ch->start;
2967 if (frsize > n) {
2968 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n,
2969 frsize - n);
2970 ch->cur += frsize - n;
2971 }
2972 }
2973
2974 /* Call back to upper layer */
2975 ch->transferred += count;
2976 mutex_spin_enter(&ch->sc->sc_intr_lock);
2977 while (ch->transferred >= ch->blksize) {
2978 ch->transferred -= ch->blksize;
2979 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg);
2980 ch->intr(ch->arg);
2981 }
2982 mutex_spin_exit(&ch->sc->sc_intr_lock);
2983
2984 /* start next transfer */
2985 uaudio_chan_rtransfer(ch);
2986 }
2987
2988 Static void
2989 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param,
2990 int maxpktsize)
2991 {
2992 int samples_per_frame, sample_size;
2993
2994 ch->altidx = altidx;
2995 sample_size = param->precision * param->channels / 8;
2996 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND;
2997 ch->sample_size = sample_size;
2998 ch->sample_rate = param->sample_rate;
2999 if (maxpktsize == 0) {
3000 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND;
3001 ch->bytes_per_frame = samples_per_frame * sample_size;
3002 } else {
3003 ch->fraction = 0;
3004 ch->bytes_per_frame = maxpktsize;
3005 }
3006 ch->residue = 0;
3007 }
3008
3009 Static void
3010 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize)
3011 {
3012
3013 ch->start = start;
3014 ch->end = end;
3015 ch->cur = start;
3016 ch->blksize = blksize;
3017 ch->transferred = 0;
3018 ch->curchanbuf = 0;
3019 }
3020
3021 Static int
3022 uaudio_set_params(void *addr, int setmode, int usemode,
3023 struct audio_params *play, struct audio_params *rec,
3024 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
3025 {
3026 struct uaudio_softc *sc;
3027 int paltidx, raltidx;
3028 struct audio_params *p;
3029 stream_filter_list_t *fil;
3030 int mode, i;
3031
3032 sc = addr;
3033 paltidx = -1;
3034 raltidx = -1;
3035 if (sc->sc_dying)
3036 return EIO;
3037
3038 if (((usemode & AUMODE_PLAY) && sc->sc_playchan.pipe != NULL) ||
3039 ((usemode & AUMODE_RECORD) && sc->sc_recchan.pipe != NULL))
3040 return EBUSY;
3041
3042 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3043 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0;
3044 AUFMT_VALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3045 }
3046 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3047 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0;
3048 AUFMT_VALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3049 }
3050
3051 /* Some uaudio devices are unidirectional. Don't try to find a
3052 matching mode for the unsupported direction. */
3053 setmode &= sc->sc_mode;
3054
3055 for (mode = AUMODE_RECORD; mode != -1;
3056 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
3057 if ((setmode & mode) == 0)
3058 continue;
3059
3060 if (mode == AUMODE_PLAY) {
3061 p = play;
3062 fil = pfil;
3063 } else {
3064 p = rec;
3065 fil = rfil;
3066 }
3067 i = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
3068 mode, p, TRUE, fil);
3069 if (i < 0)
3070 return EINVAL;
3071
3072 if (mode == AUMODE_PLAY)
3073 paltidx = i;
3074 else
3075 raltidx = i;
3076 }
3077
3078 if ((setmode & AUMODE_PLAY)) {
3079 p = pfil->req_size > 0 ? &pfil->filters[0].param : play;
3080 /* XXX abort transfer if currently happening? */
3081 uaudio_chan_init(&sc->sc_playchan, paltidx, p, 0);
3082 }
3083 if ((setmode & AUMODE_RECORD)) {
3084 p = rfil->req_size > 0 ? &rfil->filters[0].param : rec;
3085 /* XXX abort transfer if currently happening? */
3086 uaudio_chan_init(&sc->sc_recchan, raltidx, p,
3087 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize));
3088 }
3089
3090 if ((usemode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) {
3091 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1;
3092 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_playchan.altidx].aformat);
3093 }
3094 if ((usemode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) {
3095 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1;
3096 AUFMT_INVALIDATE(sc->sc_alts[sc->sc_recchan.altidx].aformat);
3097 }
3098
3099 DPRINTF("use altidx=p%d/r%d, altno=p%d/r%d\n",
3100 sc->sc_playchan.altidx, sc->sc_recchan.altidx,
3101 (sc->sc_playchan.altidx >= 0)
3102 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting
3103 : -1,
3104 (sc->sc_recchan.altidx >= 0)
3105 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting
3106 : -1);
3107
3108 return 0;
3109 }
3110
3111 Static usbd_status
3112 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed)
3113 {
3114 usb_device_request_t req;
3115 usbd_status err;
3116 uint8_t data[3];
3117
3118 DPRINTFN(5, "endpt=%d speed=%u\n", endpt, speed);
3119 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT;
3120 req.bRequest = SET_CUR;
3121 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0);
3122 USETW(req.wIndex, endpt);
3123 USETW(req.wLength, 3);
3124 data[0] = speed;
3125 data[1] = speed >> 8;
3126 data[2] = speed >> 16;
3127
3128 err = usbd_do_request(sc->sc_udev, &req, data);
3129
3130 return err;
3131 }
3132
3133 #ifdef _MODULE
3134
3135 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL);
3136
3137 static const struct cfiattrdata audiobuscf_iattrdata = {
3138 "audiobus", 0, { { NULL, NULL, 0 }, }
3139 };
3140 static const struct cfiattrdata * const uaudio_attrs[] = {
3141 &audiobuscf_iattrdata, NULL
3142 };
3143 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs);
3144 extern struct cfattach uaudio_ca;
3145 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = {
3146 -1/*USBIFIFCF_PORT_DEFAULT*/,
3147 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/,
3148 -1/*USBIFIFCF_INTERFACE_DEFAULT*/,
3149 -1/*USBIFIFCF_VENDOR_DEFAULT*/,
3150 -1/*USBIFIFCF_PRODUCT_DEFAULT*/,
3151 -1/*USBIFIFCF_RELEASE_DEFAULT*/};
3152 static struct cfparent uhubparent = {
3153 "usbifif", NULL, DVUNIT_ANY
3154 };
3155 static struct cfdata uaudio_cfdata[] = {
3156 {
3157 .cf_name = "uaudio",
3158 .cf_atname = "uaudio",
3159 .cf_unit = 0,
3160 .cf_fstate = FSTATE_STAR,
3161 .cf_loc = uaudioloc,
3162 .cf_flags = 0,
3163 .cf_pspec = &uhubparent,
3164 },
3165 { NULL }
3166 };
3167
3168 static int
3169 uaudio_modcmd(modcmd_t cmd, void *arg)
3170 {
3171 int err;
3172
3173 switch (cmd) {
3174 case MODULE_CMD_INIT:
3175 err = config_cfdriver_attach(&uaudio_cd);
3176 if (err) {
3177 return err;
3178 }
3179 err = config_cfattach_attach("uaudio", &uaudio_ca);
3180 if (err) {
3181 config_cfdriver_detach(&uaudio_cd);
3182 return err;
3183 }
3184 err = config_cfdata_attach(uaudio_cfdata, 1);
3185 if (err) {
3186 config_cfattach_detach("uaudio", &uaudio_ca);
3187 config_cfdriver_detach(&uaudio_cd);
3188 return err;
3189 }
3190 return 0;
3191 case MODULE_CMD_FINI:
3192 err = config_cfdata_detach(uaudio_cfdata);
3193 if (err)
3194 return err;
3195 config_cfattach_detach("uaudio", &uaudio_ca);
3196 config_cfdriver_detach(&uaudio_cd);
3197 return 0;
3198 default:
3199 return ENOTTY;
3200 }
3201 }
3202
3203 #endif
3204