1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <errno.h>
29 #include <string.h>
30 #include <strings.h>
31 #include <locale.h>
32 #include <libintl.h>
33 #include <stdarg.h>
34 #include <stddef.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <sys/mkdev.h>
38 #include <fcntl.h>
39 #include <unistd.h>
40 #include <ctype.h>
41 #include <sys/param.h>
42 #include <sys/soundcard.h>
43 #include <libdevinfo.h>
44
45 #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
46 #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
47 #endif
48
49 #define _(s) gettext(s)
50
51 #define MAXLINE 1024
52
53 #define AUDIO_CTRL_STEREO_LEFT(v) ((uint8_t)((v) & 0xff))
54 #define AUDIO_CTRL_STEREO_RIGHT(v) ((uint8_t)(((v) >> 8) & 0xff))
55 #define AUDIO_CTRL_STEREO_VAL(l, r) (((l) & 0xff) | (((r) & 0xff) << 8))
56
57 /*
58 * These are borrowed from sys/audio/audio_common.h, where the values
59 * are protected by _KERNEL.
60 */
61 #define AUDIO_MN_TYPE_NBITS (4)
62 #define AUDIO_MN_TYPE_MASK ((1U << AUDIO_MN_TYPE_NBITS) - 1)
63 #define AUDIO_MINOR_MIXER (0)
64
65
66 /*
67 * Column display information
68 * All are related to the types enumerated in col_t and any change should be
69 * reflected in the corresponding indices and offsets for all the variables
70 * accordingly. Most tweaks to the display can be done by adjusting the
71 * values here.
72 */
73
74 /* types of columns displayed */
75 typedef enum { COL_DV = 0, COL_NM, COL_VAL, COL_SEL} col_t;
76
77 /* corresponding sizes of columns; does not include trailing null */
78 #define COL_DV_SZ 16
79 #define COL_NM_SZ 24
80 #define COL_VAL_SZ 10
81 #define COL_SEL_SZ 20
82 #define COL_MAX_SZ 64
83
84 /* corresponding sizes of columns, indexed by col_t value */
85 static int col_sz[] = {
86 COL_DV_SZ, COL_NM_SZ, COL_VAL_SZ, COL_SEL_SZ
87 };
88
89 /* used by callers of the printing function */
90 typedef struct col_prt {
91 char *col_dv;
92 char *col_nm;
93 char *col_val;
94 char *col_sel;
95 } col_prt_t;
96
97 /* columns displayed in order with vopt = 0 */
98 static int col_dpy[] = {COL_NM, COL_VAL};
99 static int col_dpy_len = sizeof (col_dpy) / sizeof (*col_dpy);
100
101 /* tells the printing function what members to use; follows col_dpy[] */
102 static size_t col_dpy_prt[] = {
103 offsetof(col_prt_t, col_nm),
104 offsetof(col_prt_t, col_val),
105 };
106
107 /* columns displayed in order with vopt = 1 */
108 static int col_dpy_vopt[] = { COL_DV, COL_NM, COL_VAL, COL_SEL};
109 static int col_dpy_vopt_len = sizeof (col_dpy_vopt) / sizeof (*col_dpy_vopt);
110
111 /* tells the printing function what members to use; follows col_dpy_vopt[] */
112 static size_t col_dpy_prt_vopt[] = {
113 offsetof(col_prt_t, col_dv),
114 offsetof(col_prt_t, col_nm),
115 offsetof(col_prt_t, col_val),
116 offsetof(col_prt_t, col_sel)
117 };
118
119 /* columns displayed in order with tofile = 1 */
120 static int col_dpy_tofile[] = { COL_NM, COL_VAL};
121 static int col_dpy_tofile_len = sizeof (col_dpy_tofile) /
122 sizeof (*col_dpy_tofile);
123
124 /* tells the printing function what members to use; follows col_dpy_tofile[] */
125 static size_t col_dpy_prt_tofile[] = {
126 offsetof(col_prt_t, col_nm),
127 offsetof(col_prt_t, col_val)
128 };
129
130
131 /*
132 * mixer and control accounting
133 */
134
135 typedef struct cinfo {
136 oss_mixext ci;
137 oss_mixer_enuminfo *enump;
138 } cinfo_t;
139
140 typedef struct device {
141 oss_card_info card;
142 oss_mixerinfo mixer;
143
144 int cmax;
145 cinfo_t *controls;
146
147 int mfd;
148 dev_t devt;
149
150 struct device *nextp;
151 } device_t;
152
153 static device_t *devices = NULL;
154
155 /*PRINTFLIKE1*/
156 static void
157 msg(char *fmt, ...)
158 {
159 va_list ap;
160
161 va_start(ap, fmt);
162 (void) vprintf(fmt, ap);
163 va_end(ap);
164 }
165
166 /*PRINTFLIKE1*/
167 static void
168 warn(char *fmt, ...)
169 {
170 va_list ap;
171
172 va_start(ap, fmt);
173 (void) vfprintf(stderr, fmt, ap);
174 va_end(ap);
175 }
176
177 static void
178 free_device(device_t *d)
179 {
180 int i;
181 device_t **dpp;
182
183 dpp = &devices;
184 while ((*dpp) && ((*dpp) != d)) {
185 dpp = &((*dpp)->nextp);
186 }
187 if (*dpp) {
188 *dpp = d->nextp;
189 }
190 for (i = 0; i < d->cmax; i++) {
191 if (d->controls[i].enump != NULL)
192 free(d->controls[i].enump);
193 }
194
195 if (d->mfd >= 0)
196 (void) close(d->mfd);
197
198 free(d);
199 }
200
201 static void
202 free_devices(void)
203 {
204 device_t *d = devices;
205
206 while ((d = devices) != NULL) {
207 free_device(d);
208 }
209
210 devices = NULL;
211 }
212
213
214 /*
215 * adds to the end of global devices and returns a pointer to the new entry
216 */
217 static device_t *
218 alloc_device(void)
219 {
220 device_t *p;
221 device_t *d = calloc(1, sizeof (*d));
222
223 d->card.card = -1;
224 d->mixer.dev = -1;
225 d->mfd = -1;
226
227 if (devices == NULL) {
228 devices = d;
229 } else {
230 for (p = devices; p->nextp != NULL; p = p->nextp) {}
231
232 p->nextp = d;
233 }
234 return (d);
235 }
236
237
238 /*
239 * cinfop->enump needs to be present
240 * idx should be: >= 0 to < cinfop->ci.maxvalue
241 */
242 static char *
243 get_enum_str(cinfo_t *cinfop, int idx)
244 {
245 int sz = sizeof (*cinfop->ci.enum_present) * 8;
246
247 if (cinfop->ci.enum_present[idx / sz] & (1 << (idx % sz)))
248 return (cinfop->enump->strings + cinfop->enump->strindex[idx]);
249
250 return (NULL);
251 }
252
253
254 /*
255 * caller fills in d->mixer.devnode; func fills in the rest
256 */
257 static int
258 get_device_info(device_t *d)
259 {
260 int fd = -1;
261 int i;
262 cinfo_t *ci;
263
264 if ((fd = open(d->mixer.devnode, O_RDWR)) < 0) {
265 perror(_("Error opening device"));
266 return (errno);
267 }
268 d->mfd = fd;
269
270 d->cmax = -1;
271 if (ioctl(fd, SNDCTL_MIX_NREXT, &d->cmax) < 0) {
272 perror(_("Error getting control count"));
273 return (errno);
274 }
275
276 d->controls = calloc(d->cmax, sizeof (*d->controls));
277
278 for (i = 0; i < d->cmax; i++) {
279 ci = &d->controls[i];
280
281 ci->ci.dev = -1;
282 ci->ci.ctrl = i;
283
284 if (ioctl(fd, SNDCTL_MIX_EXTINFO, &ci->ci) < 0) {
285 perror(_("Error getting control info"));
286 return (errno);
287 }
288
289 if (ci->ci.type == MIXT_ENUM) {
290 ci->enump = calloc(1, sizeof (*ci->enump));
291 ci->enump->dev = -1;
292 ci->enump->ctrl = ci->ci.ctrl;
293
294 if (ioctl(fd, SNDCTL_MIX_ENUMINFO, ci->enump) < 0) {
295 perror(_("Error getting enum info"));
296 return (errno);
297 }
298 }
299 }
300
301 return (0);
302 }
303
304
305 static int
306 load_devices(void)
307 {
308 int rv = -1;
309 int fd = -1;
310 int i;
311 oss_sysinfo si;
312 device_t *d;
313
314 if (devices != NULL) {
315 /* already loaded */
316 return (0);
317 }
318
319 if ((fd = open("/dev/mixer", O_RDWR)) < 0) {
320 rv = errno;
321 warn(_("Error opening mixer\n"));
322 goto OUT;
323 }
324
325 if (ioctl(fd, SNDCTL_SYSINFO, &si) < 0) {
326 rv = errno;
327 perror(_("Error getting system information"));
328 goto OUT;
329 }
330
331 for (i = 0; i < si.nummixers; i++) {
332
333 struct stat sbuf;
334
335 d = alloc_device();
336 d->mixer.dev = i;
337
338 if (ioctl(fd, SNDCTL_MIXERINFO, &d->mixer) != 0) {
339 continue;
340 }
341
342 d->card.card = d->mixer.card_number;
343
344 if ((ioctl(fd, SNDCTL_CARDINFO, &d->card) != 0) ||
345 (stat(d->mixer.devnode, &sbuf) != 0) ||
346 ((sbuf.st_mode & S_IFCHR) == 0)) {
347 warn(_("Device present: %s\n"), d->mixer.devnode);
348 free_device(d);
349 continue;
350 }
351 d->devt = makedev(major(sbuf.st_rdev),
352 minor(sbuf.st_rdev) & ~(AUDIO_MN_TYPE_MASK));
353
354 if ((rv = get_device_info(d)) != 0) {
355 free_device(d);
356 goto OUT;
357 }
358 }
359
360 rv = 0;
361
362 OUT:
363 if (fd >= 0)
364 (void) close(fd);
365 return (rv);
366 }
367
368
369 static int
370 ctype_valid(int type)
371 {
372 switch (type) {
373 case MIXT_ONOFF:
374 case MIXT_ENUM:
375 case MIXT_MONOSLIDER:
376 case MIXT_STEREOSLIDER:
377 return (1);
378 default:
379 return (0);
380 }
381 }
382
383
384 static void
385 print_control_line(FILE *sfp, col_prt_t *colp, int vopt)
386 {
387 int i;
388 size_t *col_prtp;
389 int *col_dpyp;
390 int col_cnt;
391 int col_type;
392 int width;
393 char *colstr;
394 char cbuf[COL_MAX_SZ + 1];
395 char line[128];
396 char *colsep = " ";
397
398 if (sfp != NULL) {
399 col_prtp = col_dpy_prt_tofile;
400 col_dpyp = col_dpy_tofile;
401 col_cnt = col_dpy_tofile_len;
402 } else if (vopt) {
403 col_prtp = col_dpy_prt_vopt;
404 col_dpyp = col_dpy_vopt;
405 col_cnt = col_dpy_vopt_len;
406 } else {
407 col_prtp = col_dpy_prt;
408 col_dpyp = col_dpy;
409 col_cnt = col_dpy_len;
410 }
411
412 line[0] = '\0';
413
414 for (i = 0; i < col_cnt; i++) {
415 col_type = col_dpyp[i];
416 width = col_sz[col_type];
417 colstr = *(char **)(((size_t)colp) + col_prtp[i]);
418
419 (void) snprintf(cbuf, sizeof (cbuf), "%- *s",
420 width > 0 ? width : 1,
421 (colstr == NULL) ? "" : colstr);
422
423 (void) strlcat(line, cbuf, sizeof (line));
424 if (i < col_cnt - 1)
425 (void) strlcat(line, colsep, sizeof (line));
426 }
427
428 (void) fprintf(sfp ? sfp : stdout, "%s\n", line);
429 }
430
431
432 static void
433 print_header(FILE *sfp, int vopt)
434 {
435 col_prt_t col;
436
437 if (sfp) {
438 col.col_nm = _("#CONTROL");
439 col.col_val = _("VALUE");
440 } else {
441 col.col_dv = _("DEVICE");
442 col.col_nm = _("CONTROL");
443 col.col_val = _("VALUE");
444 col.col_sel = _("POSSIBLE");
445 }
446 print_control_line(sfp, &col, vopt);
447 }
448
449
450 static int
451 print_control(FILE *sfp, device_t *d, cinfo_t *cinfop, int vopt)
452 {
453 int mfd = d->mfd;
454 char *devnm = d->card.shortname;
455 oss_mixer_value cval;
456 char *str;
457 int i;
458 int idx = -1;
459 int rv = -1;
460 char valbuf[COL_VAL_SZ + 1];
461 char selbuf[COL_SEL_SZ + 1];
462 col_prt_t col;
463
464 cval.dev = -1;
465 cval.ctrl = cinfop->ci.ctrl;
466
467 if (ctype_valid(cinfop->ci.type)) {
468 if (ioctl(mfd, SNDCTL_MIX_READ, &cval) < 0) {
469 rv = errno;
470 perror(_("Error reading control\n"));
471 return (rv);
472 }
473 } else {
474 return (0);
475 }
476
477 /*
478 * convert the control value into a string
479 */
480 switch (cinfop->ci.type) {
481 case MIXT_ONOFF:
482 (void) snprintf(valbuf, sizeof (valbuf), "%s",
483 cval.value ? _("on") : _("off"));
484 break;
485
486 case MIXT_MONOSLIDER:
487 (void) snprintf(valbuf, sizeof (valbuf), "%d",
488 cval.value & 0xff);
489 break;
490
491 case MIXT_STEREOSLIDER:
492 (void) snprintf(valbuf, sizeof (valbuf), "%d:%d",
493 (int)AUDIO_CTRL_STEREO_LEFT(cval.value),
494 (int)AUDIO_CTRL_STEREO_RIGHT(cval.value));
495 break;
496
497 case MIXT_ENUM:
498 str = get_enum_str(cinfop, cval.value);
499 if (str == NULL) {
500 warn(_("Bad enum index %d for control '%s'\n"),
501 cval.value, cinfop->ci.extname);
502 /*
503 * Apparently the driver gave us bogus data for this
504 * control, so we will ignore it.
505 *
506 * Don't confuse the user by returning an error status.
507 */
508 return (0);
509 }
510
511 (void) snprintf(valbuf, sizeof (valbuf), "%s", str);
512 break;
513
514 default:
515 return (0);
516 }
517
518 /*
519 * possible control values (range/selection)
520 */
521 switch (cinfop->ci.type) {
522 case MIXT_ONOFF:
523 (void) snprintf(selbuf, sizeof (selbuf), _("on,off"));
524 break;
525
526 case MIXT_MONOSLIDER:
527 (void) snprintf(selbuf, sizeof (selbuf), "%d-%d",
528 cinfop->ci.minvalue, cinfop->ci.maxvalue);
529 break;
530 case MIXT_STEREOSLIDER:
531 (void) snprintf(selbuf, sizeof (selbuf), "%d-%d:%d-%d",
532 cinfop->ci.minvalue, cinfop->ci.maxvalue,
533 cinfop->ci.minvalue, cinfop->ci.maxvalue);
534 break;
535
536 case MIXT_ENUM:
537 /*
538 * display the first choice on the same line, then display
539 * the rest on multiple lines
540 */
541 selbuf[0] = 0;
542 for (i = 0; i < cinfop->ci.maxvalue; i++) {
543 str = get_enum_str(cinfop, i);
544 if (str == NULL)
545 continue;
546
547 if ((strlen(str) + 1 + strlen(selbuf)) >=
548 sizeof (selbuf)) {
549 break;
550 }
551 if (strlen(selbuf)) {
552 (void) strlcat(selbuf, ",", sizeof (selbuf));
553 }
554
555 (void) strlcat(selbuf, str, sizeof (selbuf));
556 }
557 idx = i;
558 break;
559
560 default:
561 (void) snprintf(selbuf, sizeof (selbuf), "-");
562 }
563
564 col.col_dv = devnm;
565 col.col_nm = strlen(cinfop->ci.extname) ?
566 cinfop->ci.extname : cinfop->ci.id;
567 while (strchr(col.col_nm, '_') != NULL) {
568 col.col_nm = strchr(col.col_nm, '_') + 1;
569 }
570 col.col_val = valbuf;
571 col.col_sel = selbuf;
572 print_control_line(sfp, &col, vopt);
573
574 /* non-verbose mode prints don't display the enum values */
575 if ((!vopt) || (sfp != NULL)) {
576 return (0);
577 }
578
579 /* print leftover enum value selections */
580 while ((idx >= 0) && (idx < cinfop->ci.maxvalue)) {
581 selbuf[0] = 0;
582 for (i = idx; i < cinfop->ci.maxvalue; i++) {
583 str = get_enum_str(cinfop, i);
584 if (str == NULL)
585 continue;
586
587 if ((strlen(str) + 1 + strlen(selbuf)) >=
588 sizeof (selbuf)) {
589 break;
590 }
591 if (strlen(selbuf)) {
592 (void) strlcat(selbuf, ",", sizeof (selbuf));
593 }
594
595 (void) strlcat(selbuf, str, sizeof (selbuf));
596 }
597 idx = i;
598 col.col_dv = NULL;
599 col.col_nm = NULL;
600 col.col_val = NULL;
601 col.col_sel = selbuf;
602 print_control_line(sfp, &col, vopt);
603 }
604
605 return (0);
606 }
607
608
609 static int
610 set_device_control(device_t *d, cinfo_t *cinfop, char *wstr, int vopt)
611 {
612 int mfd = d->mfd;
613 oss_mixer_value cval;
614 int wlen = strlen(wstr);
615 int lval, rval;
616 char *lstr, *rstr;
617 char *str;
618 int i;
619 int rv = -1;
620
621 cval.dev = -1;
622 cval.ctrl = cinfop->ci.ctrl;
623 cval.value = 0;
624
625 switch (cinfop->ci.type) {
626 case MIXT_ONOFF:
627 cval.value = (strncmp(_("on"), wstr, wlen) == 0) ? 1 : 0;
628 break;
629
630 case MIXT_MONOSLIDER:
631 cval.value = atoi(wstr);
632 break;
633
634 case MIXT_STEREOSLIDER:
635 lstr = wstr;
636 rstr = strchr(wstr, ':');
637 if (rstr != NULL) {
638 *rstr = '\0';
639 rstr++;
640
641 rval = atoi(rstr);
642 lval = atoi(lstr);
643
644 rstr--;
645 *rstr = ':';
646 } else {
647 lval = atoi(lstr);
648 rval = lval;
649 }
650
651 cval.value = AUDIO_CTRL_STEREO_VAL(lval, rval);
652 break;
653
654 case MIXT_ENUM:
655 for (i = 0; i < cinfop->ci.maxvalue; i++) {
656 str = get_enum_str(cinfop, i);
657 if (str == NULL)
658 continue;
659
660 if (strncmp(wstr, str, wlen) == 0) {
661 cval.value = i;
662 break;
663 }
664 }
665
666 if (i >= cinfop->ci.maxvalue) {
667 warn(_("Invalid enumeration value\n"));
668 return (EINVAL);
669 }
670 break;
671
672 default:
673 warn(_("Unsupported control type: %d\n"), cinfop->ci.type);
674 return (EINVAL);
675 }
676
677 if (vopt) {
678 msg(_("%s: '%s' set to '%s'\n"), d->card.shortname,
679 cinfop->ci.extname, wstr);
680 }
681
682 if (ioctl(mfd, SNDCTL_MIX_WRITE, &cval) < 0) {
683 rv = errno;
684 perror(_("Error writing control"));
685 return (rv);
686 }
687
688 rv = 0;
689 return (rv);
690 }
691
692
693 static void
694 help(void)
695 {
696 #define HELP_STR _( \
697 "audioctl list-devices\n" \
698 " list all audio devices\n" \
699 "\n" \
700 "audioctl show-device [ -v ] [ -d <device> ]\n" \
701 " display information about an audio device\n" \
702 "\n" \
703 "audioctl show-control [ -v ] [ -d <device> ] [ <control> ... ]\n" \
704 " get the value of a specific control (all if not specified)\n" \
705 "\n" \
706 "audioctl set-control [ -v ] [ -d <device> ] <control> <value>\n" \
707 " set the value of a specific control\n" \
708 "\n" \
709 "audioctl save-controls [ -d <device> ] [ -f ] <file>\n" \
710 " save all control settings for the device to a file\n" \
711 "\n" \
712 "audioctl load-controls [ -d <device> ] <file>\n" \
713 " restore previously saved control settings to device\n" \
714 "\n" \
715 "audioctl help\n" \
716 " show this message.\n")
717
718 (void) fprintf(stderr, HELP_STR);
719 }
720
721 dev_t
722 device_devt(char *name)
723 {
724 struct stat sbuf;
725
726 if ((stat(name, &sbuf) != 0) ||
727 ((sbuf.st_mode & S_IFCHR) == 0)) {
728 /* Not a device node! */
729 return (0);
730 }
731
732 return (makedev(major(sbuf.st_rdev),
733 minor(sbuf.st_rdev) & ~(AUDIO_MN_TYPE_MASK)));
734 }
735
736 static device_t *
737 find_device(char *name)
738 {
739 dev_t devt;
740 device_t *d;
741
742 /*
743 * User may have specified:
744 *
745 * /dev/dsp[<num>]
746 * /dev/mixer[<num>]
747 * /dev/audio[<num>9]
748 * /dev/audioctl[<num>]
749 * /dev/sound/<num>{,ctl,dsp,mixer}
750 * /dev/sound/<driver>:<num>{,ctl,dsp,mixer}
751 *
752 * We can canonicalize these by looking at the dev_t though.
753 */
754
755 if (load_devices() != 0) {
756 return (NULL);
757 }
758
759 if (name == NULL)
760 name = getenv("AUDIODEV");
761
762 if ((name == NULL) ||
763 (strcmp(name, "/dev/mixer") == 0)) {
764 /* /dev/mixer node doesn't point to real hw */
765 name = "/dev/dsp";
766 }
767
768 if (*name == '/') {
769 /* if we have a full path, convert to the devt */
770 if ((devt = device_devt(name)) == 0) {
771 warn(_("No such audio device.\n"));
772 return (NULL);
773 }
774 name = NULL;
775 }
776
777 for (d = devices; d != NULL; d = d->nextp) {
778 oss_card_info *card = &d->card;
779
780 if ((name) && (strcmp(name, card->shortname) == 0)) {
781 return (d);
782 }
783 if (devt == d->devt) {
784 return (d);
785 }
786 }
787
788 warn(_("No such audio device.\n"));
789 return (NULL);
790 }
791
792 int
793 do_list_devices(int argc, char **argv)
794 {
795 int optc;
796 int verbose = 0;
797 device_t *d;
798
799 while ((optc = getopt(argc, argv, "v")) != EOF) {
800 switch (optc) {
801 case 'v':
802 verbose++;
803 break;
804 default:
805 help();
806 return (-1);
807 }
808 }
809 argc -= optind;
810 argv += optind;
811 if (argc != 0) {
812 help();
813 return (-1);
814 }
815
816 if (load_devices() != 0) {
817 return (-1);
818 }
819
820 for (d = devices; d != NULL; d = d->nextp) {
821
822 if ((d->mixer.enabled == 0) && (!verbose))
823 continue;
824
825 if (verbose) {
826 msg(_("%s (%s)\n"), d->card.shortname,
827 d->mixer.devnode);
828 } else {
829 msg(_("%s\n"), d->card.shortname);
830 }
831 }
832
833 return (0);
834 }
835
836 int
837 do_show_device(int argc, char **argv)
838 {
839 int optc;
840 char *devname = NULL;
841 char *p, *n;
842 const char *m;
843 device_t *d;
844
845 while ((optc = getopt(argc, argv, "d:v")) != EOF) {
846 switch (optc) {
847 case 'd':
848 devname = optarg;
849 break;
850 case 'v':
851 break;
852 default:
853 help();
854 return (-1);
855 }
856 }
857 argc -= optind;
858 argv += optind;
859 if (argc != 0) {
860 help();
861 return (-1);
862 }
863
864 if ((d = find_device(devname)) == NULL) {
865 return (ENODEV);
866 }
867
868 msg(_("Device: %s\n"), d->mixer.devnode);
869 msg(_(" Name = %s\n"), d->card.shortname);
870 msg(_(" Config = %s\n"), d->card.longname);
871
872 for (m = " HW Info = %s\n", p = d->card.hw_info;
873 p != NULL && strlen(p) != 0;
874 m = "\t %s\n", p = n) {
875 if ((n = strchr(p, '\n')) != NULL)
876 *n++ = '\0';
877 msg(_(m), p);
878 }
879
880 return (0);
881 }
882
883 int
884 do_show_control(int argc, char **argv)
885 {
886 int optc;
887 int rval = 0;
888 int verbose = 0;
889 device_t *d;
890 char *devname = NULL;
891 int i;
892 int j;
893 int rv;
894 char *n;
895 cinfo_t *cinfop;
896
897 while ((optc = getopt(argc, argv, "d:v")) != EOF) {
898 switch (optc) {
899 case 'd':
900 devname = optarg;
901 break;
902 case 'v':
903 verbose++;
904 break;
905 default:
906 help();
907 return (-1);
908 }
909 }
910 argc -= optind;
911 argv += optind;
912
913 if ((d = find_device(devname)) == NULL) {
914 return (ENODEV);
915 }
916
917 print_header(NULL, verbose);
918 if (argc == 0) {
919 /* do them all! */
920 for (i = 0; i < d->cmax; i++) {
921
922 cinfop = &d->controls[i];
923 rv = print_control(NULL, d, cinfop, verbose);
924 rval = rval ? rval : rv;
925 }
926 return (rval);
927 }
928
929 for (i = 0; i < argc; i++) {
930 for (j = 0; j < d->cmax; j++) {
931 cinfop = &d->controls[j];
932 n = strrchr(cinfop->ci.extname, '_');
933 n = n ? n + 1 : cinfop->ci.extname;
934 if (strcmp(argv[i], n) == 0) {
935 rv = print_control(NULL, d, cinfop, verbose);
936 rval = rval ? rval : rv;
937 break;
938 }
939 }
940 /* Didn't find requested control */
941 if (j == d->cmax) {
942 warn(_("No such control: %s\n"), argv[i]);
943 rval = rval ? rval : ENODEV;
944 }
945 }
946
947 return (rval);
948 }
949
950 int
951 do_set_control(int argc, char **argv)
952 {
953 int optc;
954 int rval = 0;
955 int verbose = 0;
956 device_t *d;
957 char *devname = NULL;
958 char *cname;
959 char *value;
960 int i;
961 int found;
962 int rv;
963 char *n;
964 cinfo_t *cinfop;
965
966 while ((optc = getopt(argc, argv, "d:v")) != EOF) {
967 switch (optc) {
968 case 'd':
969 devname = optarg;
970 break;
971 case 'v':
972 verbose = 1;
973 break;
974 default:
975 help();
976 return (-1);
977 }
978 }
979 argc -= optind;
980 argv += optind;
981
982 if (argc != 2) {
983 help();
984 return (-1);
985 }
986 cname = argv[0];
987 value = argv[1];
988
989 if ((d = find_device(devname)) == NULL) {
990 return (ENODEV);
991 }
992
993 for (i = 0, found = 0; i < d->cmax; i++) {
994 cinfop = &d->controls[i];
995 n = strrchr(cinfop->ci.extname, '_');
996 n = n ? n + 1 : cinfop->ci.extname;
997 if (strcmp(cname, n) != 0) {
998 continue;
999 }
1000 found = 1;
1001 rv = set_device_control(d, cinfop, value, verbose);
1002 rval = rval ? rval : rv;
1003 }
1004 if (!found) {
1005 warn(_("No such control: %s\n"), cname);
1006 }
1007
1008 return (rval);
1009 }
1010
1011 int
1012 do_save_controls(int argc, char **argv)
1013 {
1014 int optc;
1015 int rval = 0;
1016 device_t *d;
1017 char *devname = NULL;
1018 char *fname;
1019 int i;
1020 int rv;
1021 cinfo_t *cinfop;
1022 FILE *fp;
1023 int fd;
1024 int mode;
1025 char *p, *n;
1026 const char *m;
1027
1028 mode = O_WRONLY | O_CREAT | O_EXCL;
1029
1030 while ((optc = getopt(argc, argv, "d:f")) != EOF) {
1031 switch (optc) {
1032 case 'd':
1033 devname = optarg;
1034 break;
1035 case 'f':
1036 mode &= ~O_EXCL;
1037 mode |= O_TRUNC;
1038 break;
1039 default:
1040 help();
1041 return (-1);
1042 }
1043 }
1044 argc -= optind;
1045 argv += optind;
1046
1047 if (argc != 1) {
1048 help();
1049 return (-1);
1050 }
1051 fname = argv[0];
1052
1053 if ((d = find_device(devname)) == NULL) {
1054 return (ENODEV);
1055 }
1056
1057 if ((fd = open(fname, mode, 0666)) < 0) {
1058 perror(_("Failed to create file"));
1059 return (errno);
1060 }
1061
1062 if ((fp = fdopen(fd, "w")) == NULL) {
1063 perror(_("Unable to open file\n"));
1064 (void) close(fd);
1065 (void) unlink(fname);
1066 return (errno);
1067 }
1068
1069 (void) fprintf(fp, "# Device: %s\n", d->mixer.devnode);
1070 (void) fprintf(fp, "# Name = %s\n", d->card.shortname);
1071 (void) fprintf(fp, "# Config = %s\n", d->card.longname);
1072
1073 for (m = "# HW Info = %s\n", p = d->card.hw_info;
1074 p != NULL && strlen(p) != 0;
1075 m = "#\t %s\n", p = n) {
1076 if ((n = strchr(p, '\n')) != NULL)
1077 *n++ = '\0';
1078 fprintf(fp, m, p);
1079 }
1080 (void) fprintf(fp, "#\n");
1081
1082 print_header(fp, 0);
1083
1084 for (i = 0; i < d->cmax; i++) {
1085 cinfop = &d->controls[i];
1086 rv = print_control(fp, d, cinfop, 0);
1087 rval = rval ? rval : rv;
1088 }
1089
1090 (void) fclose(fp);
1091
1092 return (rval);
1093 }
1094
1095 int
1096 do_load_controls(int argc, char **argv)
1097 {
1098 int optc;
1099 int rval = 0;
1100 device_t *d;
1101 char *devname = NULL;
1102 char *fname;
1103 char *cname;
1104 char *value;
1105 int i;
1106 int rv;
1107 cinfo_t *cinfop;
1108 FILE *fp;
1109 char linebuf[MAXLINE];
1110 int lineno = 0;
1111 int found;
1112
1113 while ((optc = getopt(argc, argv, "d:")) != EOF) {
1114 switch (optc) {
1115 case 'd':
1116 devname = optarg;
1117 break;
1118 default:
1119 help();
1120 return (-1);
1121 }
1122 }
1123 argc -= optind;
1124 argv += optind;
1125
1126 if (argc != 1) {
1127 help();
1128 return (-1);
1129 }
1130 fname = argv[0];
1131
1132 if ((d = find_device(devname)) == NULL) {
1133 return (ENODEV);
1134 }
1135
1136 if ((fp = fopen(fname, "r")) == NULL) {
1137 perror(_("Unable to open file"));
1138 return (errno);
1139 }
1140
1141 while (fgets(linebuf, sizeof (linebuf), fp) != NULL) {
1142 lineno++;
1143 if (linebuf[strlen(linebuf) - 1] != '\n') {
1144 warn(_("Warning: line too long at line %d\n"), lineno);
1145 /* read in the rest of the line and discard it */
1146 while (fgets(linebuf, sizeof (linebuf), fp) != NULL &&
1147 (linebuf[strlen(linebuf) - 1] != '\n')) {
1148 continue;
1149 }
1150 continue;
1151 }
1152
1153 /* we have a good line ... */
1154 cname = strtok(linebuf, " \t\n");
1155 /* skip comments and blank lines */
1156 if ((cname == NULL) || (cname[0] == '#')) {
1157 continue;
1158 }
1159 value = strtok(NULL, " \t\n");
1160 if ((value == NULL) || (*cname == 0)) {
1161 warn(_("Warning: missing value at line %d\n"), lineno);
1162 continue;
1163 }
1164
1165 for (i = 0, found = 0; i < d->cmax; i++) {
1166 /* save and restore requires an exact match */
1167 cinfop = &d->controls[i];
1168 if (strcmp(cinfop->ci.extname, cname) != 0) {
1169 continue;
1170 }
1171 found = 1;
1172 rv = set_device_control(d, cinfop, value, 0);
1173 rval = rval ? rval : rv;
1174 }
1175 if (!found) {
1176 warn(_("No such control: %s\n"), cname);
1177 }
1178 }
1179 (void) fclose(fp);
1180
1181 return (rval);
1182 }
1183
1184 int
1185 mixer_walker(di_devlink_t dlink, void *arg)
1186 {
1187 const char *link;
1188 int num;
1189 int fd;
1190 int verbose = *(int *)arg;
1191 int num_offset;
1192
1193 num_offset = sizeof ("/dev/mixer") - 1;
1194
1195 link = di_devlink_path(dlink);
1196
1197 if ((link == NULL) ||
1198 (strncmp(link, "/dev/mixer", num_offset) != 0) ||
1199 (!isdigit(link[num_offset]))) {
1200 return (DI_WALK_CONTINUE);
1201 }
1202
1203 num = atoi(link + num_offset);
1204 if ((fd = open(link, O_RDWR)) < 0) {
1205 if (verbose) {
1206 if (errno == ENOENT) {
1207 msg(_("Device %s not present.\n"), link);
1208 } else {
1209 msg(_("Unable to open device %s: %s\n"),
1210 link, strerror(errno));
1211 }
1212 }
1213 return (DI_WALK_CONTINUE);
1214 }
1215
1216 if (verbose) {
1217 msg(_("Initializing link %s: "), link);
1218 }
1219 if (ioctl(fd, SNDCTL_SUN_SEND_NUMBER, &num) != 0) {
1220 if (verbose) {
1221 msg(_("failed: %s\n"), strerror(errno));
1222 }
1223 } else {
1224 if (verbose) {
1225 msg(_("done.\n"));
1226 }
1227 }
1228 (void) close(fd);
1229 return (DI_WALK_CONTINUE);
1230 }
1231
1232 int
1233 do_init_devices(int argc, char **argv)
1234 {
1235 int optc;
1236 di_devlink_handle_t dlh;
1237 int verbose = 0;
1238
1239 while ((optc = getopt(argc, argv, "v")) != EOF) {
1240 switch (optc) {
1241 case 'v':
1242 verbose = 1;
1243 break;
1244 default:
1245 help();
1246 return (-1);
1247 }
1248 }
1249 argc -= optind;
1250 argv += optind;
1251
1252 if (argc != 0) {
1253 help();
1254 return (-1);
1255 }
1256
1257 dlh = di_devlink_init(NULL, 0);
1258 if (dlh == NULL) {
1259 perror(_("Unable to initialize devlink handle"));
1260 return (-1);
1261 }
1262
1263 if (di_devlink_walk(dlh, "^mixer", NULL, 0, &verbose,
1264 mixer_walker) != 0) {
1265 perror(_("Unable to walk devlinks"));
1266 return (-1);
1267 }
1268 return (0);
1269 }
1270
1271 int
1272 main(int argc, char **argv)
1273 {
1274 int rv = 0;
1275 int opt;
1276
1277 (void) setlocale(LC_ALL, "");
1278 (void) textdomain(TEXT_DOMAIN);
1279
1280 while ((opt = getopt(argc, argv, "h")) != EOF) {
1281 switch (opt) {
1282 case 'h':
1283 help();
1284 rv = 0;
1285 goto OUT;
1286 default:
1287 rv = EINVAL;
1288 break;
1289 }
1290 }
1291
1292 if (rv) {
1293 goto OUT;
1294 }
1295
1296 argc -= optind;
1297 argv += optind;
1298
1299 if (argc < 1) {
1300 help();
1301 rv = EINVAL;
1302 } else if (strcmp(argv[0], "help") == 0) {
1303 help();
1304 rv = 0;
1305 } else if (strcmp(argv[0], "list-devices") == 0) {
1306 rv = do_list_devices(argc, argv);
1307 } else if (strcmp(argv[0], "show-device") == 0) {
1308 rv = do_show_device(argc, argv);
1309 } else if (strcmp(argv[0], "show-control") == 0) {
1310 rv = do_show_control(argc, argv);
1311 } else if (strcmp(argv[0], "set-control") == 0) {
1312 rv = do_set_control(argc, argv);
1313 } else if (strcmp(argv[0], "load-controls") == 0) {
1314 rv = do_load_controls(argc, argv);
1315 } else if (strcmp(argv[0], "save-controls") == 0) {
1316 rv = do_save_controls(argc, argv);
1317 } else if (strcmp(argv[0], "init-devices") == 0) {
1318 rv = do_init_devices(argc, argv);
1319 } else {
1320 help();
1321 rv = EINVAL;
1322 }
1323
1324 OUT:
1325 free_devices();
1326 return (rv);
1327 }