1 /* $OpenBSD: sbdsp.c,v 1.44 2022/11/02 10:41:34 kn Exp $ */
2
3 /*
4 * Copyright (c) 1991-1993 Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the Computer Systems
18 * Engineering Group at Lawrence Berkeley Laboratory.
19 * 4. Neither the name of the University nor of the Laboratory may be used
20 * to endorse or promote products derived from this software without
21 * specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 */
36
37 /*
38 * SoundBlaster Pro code provided by John Kohl, based on lots of
39 * information he gleaned from Steve Haehnichen <steve@vigra.com>'s
40 * SBlast driver for 386BSD and DOS driver code from Daniel Sachs
41 * <sachs@meibm15.cen.uiuc.edu>.
42 * Lots of rewrites by Lennart Augustsson <augustss@cs.chalmers.se>
43 * with information from SB "Hardware Programming Guide" and the
44 * Linux drivers.
45 */
46
47 #include "midi.h"
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/errno.h>
52 #include <sys/ioctl.h>
53 #include <sys/syslog.h>
54 #include <sys/device.h>
55 #include <sys/buf.h>
56 #include <sys/fcntl.h>
57
58 #include <machine/cpu.h>
59 #include <machine/intr.h>
60 #include <machine/bus.h>
61
62 #include <sys/audioio.h>
63 #include <dev/audio_if.h>
64 #include <dev/midi_if.h>
65
66 #include <dev/isa/isavar.h>
67 #include <dev/isa/isadmavar.h>
68
69 #include <dev/isa/sbreg.h>
70 #include <dev/isa/sbdspvar.h>
71
72
73 #ifdef AUDIO_DEBUG
74 #define DPRINTF(x) if (sbdspdebug) printf x
75 #define DPRINTFN(n,x) if (sbdspdebug >= (n)) printf x
76 int sbdspdebug = 0;
77 #else
78 #define DPRINTF(x)
79 #define DPRINTFN(n,x)
80 #endif
81
82 #ifndef SBDSP_NPOLL
83 #define SBDSP_NPOLL 3000
84 #endif
85
86 struct {
87 int wdsp;
88 int rdsp;
89 int wmidi;
90 } sberr;
91
92 /*
93 * Time constant routines follow. See SBK, section 12.
94 * Although they don't come out and say it (in the docs),
95 * the card clearly uses a 1MHz countdown timer, as the
96 * low-speed formula (p. 12-4) is:
97 * tc = 256 - 10^6 / sr
98 * In high-speed mode, the constant is the upper byte of a 16-bit counter,
99 * and a 256MHz clock is used:
100 * tc = 65536 - 256 * 10^ 6 / sr
101 * Since we can only use the upper byte of the HS TC, the two formulae
102 * are equivalent. (Why didn't they say so?) E.g.,
103 * (65536 - 256 * 10 ^ 6 / x) >> 8 = 256 - 10^6 / x
104 *
105 * The crossover point (from low- to high-speed modes) is different
106 * for the SBPRO and SB20. The table on p. 12-5 gives the following data:
107 *
108 * SBPRO SB20
109 * ----- --------
110 * input ls min 4 KHz 4 KHz
111 * input ls max 23 KHz 13 KHz
112 * input hs max 44.1 KHz 15 KHz
113 * output ls min 4 KHz 4 KHz
114 * output ls max 23 KHz 23 KHz
115 * output hs max 44.1 KHz 44.1 KHz
116 */
117 /* XXX Should we round the tc?
118 #define SB_RATE_TO_TC(x) (((65536 - 256 * 1000000 / (x)) + 128) >> 8)
119 */
120 #define SB_RATE_TO_TC(x) (256 - 1000000 / (x))
121 #define SB_TC_TO_RATE(tc) (1000000 / (256 - (tc)))
122
123 struct sbmode {
124 short model;
125 u_char channels;
126 u_char precision;
127 u_short lowrate, highrate;
128 u_char cmd;
129 u_char cmdchan;
130 };
131 static struct sbmode sbpmodes[] = {
132 { SB_1, 1, 8, 4000, 22727, SB_DSP_WDMA },
133 { SB_20, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP },
134 { SB_2x, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP },
135 { SB_2x, 1, 8, 22727, 45454, SB_DSP_HS_OUTPUT },
136 { SB_PRO, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP },
137 { SB_PRO, 1, 8, 22727, 45454, SB_DSP_HS_OUTPUT },
138 { SB_PRO, 2, 8, 11025, 22727, SB_DSP_HS_OUTPUT },
139 /* Yes, we write the record mode to set 16-bit playback mode. weird, huh? */
140 { SB_JAZZ, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP, SB_DSP_RECORD_MONO },
141 { SB_JAZZ, 1, 8, 22727, 45454, SB_DSP_HS_OUTPUT, SB_DSP_RECORD_MONO },
142 { SB_JAZZ, 2, 8, 11025, 22727, SB_DSP_HS_OUTPUT, SB_DSP_RECORD_STEREO },
143 { SB_JAZZ, 1, 16, 4000, 22727, SB_DSP_WDMA_LOOP, JAZZ16_RECORD_MONO },
144 { SB_JAZZ, 1, 16, 22727, 45454, SB_DSP_HS_OUTPUT, JAZZ16_RECORD_MONO },
145 { SB_JAZZ, 2, 16, 11025, 22727, SB_DSP_HS_OUTPUT, JAZZ16_RECORD_STEREO },
146 { SB_16, 1, 8, 5000, 45000, SB_DSP16_WDMA_8 },
147 { SB_16, 2, 8, 5000, 45000, SB_DSP16_WDMA_8 },
148 #define PLAY16 15 /* must be the index of the next entry in the table */
149 { SB_16, 1, 16, 5000, 45000, SB_DSP16_WDMA_16 },
150 { SB_16, 2, 16, 5000, 45000, SB_DSP16_WDMA_16 },
151 { -1 }
152 };
153 static struct sbmode sbrmodes[] = {
154 { SB_1, 1, 8, 4000, 12987, SB_DSP_RDMA },
155 { SB_20, 1, 8, 4000, 12987, SB_DSP_RDMA_LOOP },
156 { SB_2x, 1, 8, 4000, 12987, SB_DSP_RDMA_LOOP },
157 { SB_2x, 1, 8, 12987, 14925, SB_DSP_HS_INPUT },
158 { SB_PRO, 1, 8, 4000, 22727, SB_DSP_RDMA_LOOP, SB_DSP_RECORD_MONO },
159 { SB_PRO, 1, 8, 22727, 45454, SB_DSP_HS_INPUT, SB_DSP_RECORD_MONO },
160 { SB_PRO, 2, 8, 11025, 22727, SB_DSP_HS_INPUT, SB_DSP_RECORD_STEREO },
161 { SB_JAZZ, 1, 8, 4000, 22727, SB_DSP_RDMA_LOOP, SB_DSP_RECORD_MONO },
162 { SB_JAZZ, 1, 8, 22727, 45454, SB_DSP_HS_INPUT, SB_DSP_RECORD_MONO },
163 { SB_JAZZ, 2, 8, 11025, 22727, SB_DSP_HS_INPUT, SB_DSP_RECORD_STEREO },
164 { SB_JAZZ, 1, 16, 4000, 22727, SB_DSP_RDMA_LOOP, JAZZ16_RECORD_MONO },
165 { SB_JAZZ, 1, 16, 22727, 45454, SB_DSP_HS_INPUT, JAZZ16_RECORD_MONO },
166 { SB_JAZZ, 2, 16, 11025, 22727, SB_DSP_HS_INPUT, JAZZ16_RECORD_STEREO },
167 { SB_16, 1, 8, 5000, 45000, SB_DSP16_RDMA_8 },
168 { SB_16, 2, 8, 5000, 45000, SB_DSP16_RDMA_8 },
169 { SB_16, 1, 16, 5000, 45000, SB_DSP16_RDMA_16 },
170 { SB_16, 2, 16, 5000, 45000, SB_DSP16_RDMA_16 },
171 { -1 }
172 };
173
174 static struct audio_params sbdsp_audio_default =
175 {44100, AUDIO_ENCODING_SLINEAR_LE, 16, 2, 1, 2};
176
177 void sbversion(struct sbdsp_softc *);
178 void sbdsp_jazz16_probe(struct sbdsp_softc *);
179 void sbdsp_set_mixer_gain(struct sbdsp_softc *sc, int port);
180 void sbdsp_to(void *);
181 void sbdsp_pause(struct sbdsp_softc *);
182 int sbdsp_set_timeconst(struct sbdsp_softc *, int);
183 int sbdsp16_set_rate(struct sbdsp_softc *, int, int);
184 int sbdsp_set_in_ports(struct sbdsp_softc *, int);
185 void sbdsp_set_ifilter(void *, int);
186 int sbdsp_get_ifilter(void *);
187
188 int sbdsp_block_output(void *);
189 int sbdsp_block_input(void *);
190 static int sbdsp_adjust(int, int);
191
192 int sbdsp_midi_intr(void *);
193
194 #ifdef AUDIO_DEBUG
195 void sb_printsc(struct sbdsp_softc *);
196
197 void
sb_printsc(struct sbdsp_softc * sc)198 sb_printsc(struct sbdsp_softc *sc)
199 {
200 int i;
201
202 printf("open %d dmachan %d/%d %d/%d iobase 0x%x irq %d\n",
203 (int)sc->sc_open, sc->sc_i.run, sc->sc_o.run,
204 sc->sc_drq8, sc->sc_drq16,
205 sc->sc_iobase, sc->sc_irq);
206 printf("irate %d itc %x orate %d otc %x\n",
207 sc->sc_i.rate, sc->sc_i.tc,
208 sc->sc_o.rate, sc->sc_o.tc);
209 printf("spkron %u nintr %lu\n",
210 sc->spkr_state, sc->sc_interrupts);
211 printf("intr8 %p arg8 %p\n",
212 sc->sc_intr8, sc->sc_arg16);
213 printf("intr16 %p arg16 %p\n",
214 sc->sc_intr8, sc->sc_arg16);
215 printf("gain:");
216 for (i = 0; i < SB_NDEVS; i++)
217 printf(" %u,%u", sc->gain[i][SB_LEFT], sc->gain[i][SB_RIGHT]);
218 printf("\n");
219 }
220 #endif /* AUDIO_DEBUG */
221
222 /*
223 * Probe / attach routines.
224 */
225
226 /*
227 * Probe for the soundblaster hardware.
228 */
229 int
sbdsp_probe(struct sbdsp_softc * sc)230 sbdsp_probe(struct sbdsp_softc *sc)
231 {
232
233 if (sbdsp_reset(sc) < 0) {
234 DPRINTF(("sbdsp: couldn't reset card\n"));
235 return 0;
236 }
237 /* if flags set, go and probe the jazz16 stuff */
238 if (sc->sc_dev.dv_cfdata->cf_flags & 1)
239 sbdsp_jazz16_probe(sc);
240 else
241 sbversion(sc);
242 if (sc->sc_model == SB_UNK) {
243 /* Unknown SB model found. */
244 DPRINTF(("sbdsp: unknown SB model found\n"));
245 return 0;
246 }
247 return 1;
248 }
249
250 /*
251 * Try add-on stuff for Jazz16.
252 */
253 void
sbdsp_jazz16_probe(struct sbdsp_softc * sc)254 sbdsp_jazz16_probe(struct sbdsp_softc *sc)
255 {
256 static u_char jazz16_irq_conf[16] = {
257 -1, -1, 0x02, 0x03,
258 -1, 0x01, -1, 0x04,
259 -1, 0x02, 0x05, -1,
260 -1, -1, -1, 0x06};
261 static u_char jazz16_drq_conf[8] = {
262 -1, 0x01, -1, 0x02,
263 -1, 0x03, -1, 0x04};
264
265 bus_space_tag_t iot = sc->sc_iot;
266 bus_space_handle_t ioh;
267
268 sbversion(sc);
269
270 DPRINTF(("jazz16 probe\n"));
271
272 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) {
273 DPRINTF(("bus map failed\n"));
274 return;
275 }
276
277 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 ||
278 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) {
279 DPRINTF(("drq/irq check failed\n"));
280 goto done; /* give up, we can't do it. */
281 }
282
283 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP);
284 delay(10000); /* delay 10 ms */
285 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE);
286 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70);
287
288 if (sbdsp_reset(sc) < 0) {
289 DPRINTF(("sbdsp_reset check failed\n"));
290 goto done; /* XXX? what else could we do? */
291 }
292
293 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) {
294 DPRINTF(("read16 setup failed\n"));
295 goto done;
296 }
297
298 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) {
299 DPRINTF(("read16 failed\n"));
300 goto done;
301 }
302
303 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */
304 sc->sc_drq16 = sc->sc_drq8;
305 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) ||
306 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) |
307 jazz16_drq_conf[sc->sc_drq8]) ||
308 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) {
309 DPRINTF(("sbdsp: can't write jazz16 probe stuff\n"));
310 } else {
311 DPRINTF(("jazz16 detected!\n"));
312 sc->sc_model = SB_JAZZ;
313 sc->sc_mixer_model = SBM_CT1345; /* XXX really? */
314 }
315
316 done:
317 bus_space_unmap(iot, ioh, 1);
318 }
319
320 /*
321 * Attach hardware to driver, attach hardware driver to audio
322 * pseudo-device driver .
323 */
324 void
sbdsp_attach(struct sbdsp_softc * sc)325 sbdsp_attach(struct sbdsp_softc *sc)
326 {
327 struct audio_params pparams, rparams;
328 int i;
329 u_int v;
330
331 /*
332 * Create our DMA maps.
333 */
334 if (sc->sc_drq8 != -1) {
335 if (isa_dmamap_create(sc->sc_isa, sc->sc_drq8,
336 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
337 printf("%s: can't create map for drq %d\n",
338 sc->sc_dev.dv_xname, sc->sc_drq8);
339 return;
340 }
341 }
342 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) {
343 if (isa_dmamap_create(sc->sc_isa, sc->sc_drq16,
344 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
345 printf("%s: can't create map for drq %d\n",
346 sc->sc_dev.dv_xname, sc->sc_drq16);
347 return;
348 }
349 }
350
351 pparams = sbdsp_audio_default;
352 rparams = sbdsp_audio_default;
353 sbdsp_set_params(sc, AUMODE_RECORD|AUMODE_PLAY, 0, &pparams, &rparams);
354
355 sbdsp_set_in_ports(sc, 1 << SB_MIC_VOL);
356
357 if (sc->sc_mixer_model != SBM_NONE) {
358 /* Reset the mixer.*/
359 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET);
360 /* And set our own default values */
361 for (i = 0; i < SB_NDEVS; i++) {
362 switch(i) {
363 case SB_MIC_VOL:
364 case SB_LINE_IN_VOL:
365 v = 0;
366 break;
367 case SB_BASS:
368 case SB_TREBLE:
369 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN/2);
370 break;
371 case SB_CD_IN_MUTE:
372 case SB_MIC_IN_MUTE:
373 case SB_LINE_IN_MUTE:
374 case SB_MIDI_IN_MUTE:
375 case SB_CD_SWAP:
376 case SB_MIC_SWAP:
377 case SB_LINE_SWAP:
378 case SB_MIDI_SWAP:
379 case SB_CD_OUT_MUTE:
380 case SB_MIC_OUT_MUTE:
381 case SB_LINE_OUT_MUTE:
382 v = 0;
383 break;
384 default:
385 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2);
386 break;
387 }
388 sc->gain[i][SB_LEFT] = sc->gain[i][SB_RIGHT] = v;
389 sbdsp_set_mixer_gain(sc, i);
390 }
391 sc->in_filter = 0; /* no filters turned on, please */
392 }
393
394 printf(": dsp v%d.%02d%s\n",
395 SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version),
396 sc->sc_model == SB_JAZZ ? ": <Jazz16>" : "");
397
398 timeout_set(&sc->sc_tmo, sbdsp_to, sbdsp_to);
399 sc->sc_fullduplex = ISSB16CLASS(sc) &&
400 sc->sc_drq8 != -1 && sc->sc_drq16 != -1 &&
401 sc->sc_drq8 != sc->sc_drq16;
402 }
403
404 void
sbdsp_mix_write(struct sbdsp_softc * sc,int mixerport,int val)405 sbdsp_mix_write(struct sbdsp_softc *sc, int mixerport, int val)
406 {
407 bus_space_tag_t iot = sc->sc_iot;
408 bus_space_handle_t ioh = sc->sc_ioh;
409
410 mtx_enter(&audio_lock);
411 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport);
412 delay(20);
413 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val);
414 delay(30);
415 mtx_leave(&audio_lock);
416 }
417
418 int
sbdsp_mix_read(struct sbdsp_softc * sc,int mixerport)419 sbdsp_mix_read(struct sbdsp_softc *sc, int mixerport)
420 {
421 bus_space_tag_t iot = sc->sc_iot;
422 bus_space_handle_t ioh = sc->sc_ioh;
423 int val;
424
425 mtx_enter(&audio_lock);
426 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport);
427 delay(20);
428 val = bus_space_read_1(iot, ioh, SBP_MIXER_DATA);
429 delay(30);
430 mtx_leave(&audio_lock);
431 return val;
432 }
433
434 /*
435 * Various routines to interface to higher level audio driver
436 */
437
438 int
sbdsp_set_params(void * addr,int setmode,int usemode,struct audio_params * play,struct audio_params * rec)439 sbdsp_set_params(void *addr, int setmode, int usemode,
440 struct audio_params *play, struct audio_params *rec)
441 {
442 struct sbdsp_softc *sc = addr;
443 struct sbmode *m;
444 u_int rate, tc, bmode;
445 int model;
446 int chan;
447 struct audio_params *p;
448 int mode;
449
450 if (sc->sc_open == SB_OPEN_MIDI)
451 return EBUSY;
452
453 model = sc->sc_model;
454 if (model > SB_16)
455 model = SB_16; /* later models work like SB16 */
456
457 /*
458 * Prior to the SB16, we have only one clock, so make the sample
459 * rates match.
460 */
461 if (!ISSB16CLASS(sc) &&
462 play->sample_rate != rec->sample_rate &&
463 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
464 if (setmode == AUMODE_PLAY) {
465 rec->sample_rate = play->sample_rate;
466 setmode |= AUMODE_RECORD;
467 } else if (setmode == AUMODE_RECORD) {
468 play->sample_rate = rec->sample_rate;
469 setmode |= AUMODE_PLAY;
470 } else
471 return (EINVAL);
472 }
473
474 /* Set first record info, then play info */
475 for (mode = AUMODE_RECORD; mode != -1;
476 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
477 if ((setmode & mode) == 0)
478 continue;
479
480 p = mode == AUMODE_PLAY ? play : rec;
481
482 switch (model) {
483 case SB_1:
484 case SB_20:
485 if (mode == AUMODE_PLAY) {
486 if (p->sample_rate < 4000)
487 p->sample_rate = 4000;
488 else if (p->sample_rate > 22727)
489 p->sample_rate = 22727; /* 22050 ? */
490 } else {
491 if (p->sample_rate < 4000)
492 p->sample_rate = 4000;
493 else if (p->sample_rate > 12987)
494 p->sample_rate = 12987;
495 }
496 break;
497 case SB_2x:
498 if (mode == AUMODE_PLAY) {
499 if (p->sample_rate < 4000)
500 p->sample_rate = 4000;
501 else if (p->sample_rate > 45454)
502 p->sample_rate = 45454; /* 44100 ? */
503 } else {
504 if (p->sample_rate < 4000)
505 p->sample_rate = 4000;
506 else if (p->sample_rate > 14925)
507 p->sample_rate = 14925; /* ??? */
508 }
509 break;
510 case SB_PRO:
511 case SB_JAZZ:
512 if (p->channels == 2) {
513 if (p->sample_rate < 11025)
514 p->sample_rate = 11025;
515 else if (p->sample_rate > 22727)
516 p->sample_rate = 22727; /* 22050 ? */
517 } else {
518 if (p->sample_rate < 4000)
519 p->sample_rate = 4000;
520 else if (p->sample_rate > 45454)
521 p->sample_rate = 45454; /* 44100 ? */
522 }
523 break;
524 case SB_16:
525 if (p->sample_rate < 5000)
526 p->sample_rate = 5000;
527 else if (p->sample_rate > 45000)
528 p->sample_rate = 45000; /* 44100 ? */
529 break;
530 }
531
532 /* Locate proper commands */
533 for(m = mode == AUMODE_PLAY ? sbpmodes : sbrmodes;
534 m->model != -1; m++) {
535 if (model == m->model &&
536 p->channels == m->channels &&
537 p->precision == m->precision &&
538 p->sample_rate >= m->lowrate &&
539 p->sample_rate <= m->highrate)
540 break;
541 }
542 if (m->model == -1)
543 return EINVAL;
544 rate = p->sample_rate;
545 tc = 1;
546 bmode = -1;
547 if (model == SB_16) {
548 switch (p->encoding) {
549 case AUDIO_ENCODING_SLINEAR_BE:
550 if (p->precision == 16)
551 return EINVAL;
552 /* fall into */
553 case AUDIO_ENCODING_SLINEAR_LE:
554 bmode = SB_BMODE_SIGNED;
555 break;
556 case AUDIO_ENCODING_ULINEAR_BE:
557 if (p->precision == 16)
558 return EINVAL;
559 /* fall into */
560 case AUDIO_ENCODING_ULINEAR_LE:
561 bmode = SB_BMODE_UNSIGNED;
562 break;
563 default:
564 return EINVAL;
565 }
566 if (p->channels == 2)
567 bmode |= SB_BMODE_STEREO;
568 } else if (m->model == SB_JAZZ && m->precision == 16) {
569 switch (p->encoding) {
570 case AUDIO_ENCODING_SLINEAR_LE:
571 break;
572 default:
573 return EINVAL;
574 }
575 tc = SB_RATE_TO_TC(p->sample_rate * p->channels);
576 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels;
577 } else {
578 switch (p->encoding) {
579 case AUDIO_ENCODING_ULINEAR_BE:
580 case AUDIO_ENCODING_ULINEAR_LE:
581 break;
582 default:
583 return EINVAL;
584 }
585 tc = SB_RATE_TO_TC(p->sample_rate * p->channels);
586 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels;
587 }
588
589 chan = m->precision == 16 ? sc->sc_drq16 : sc->sc_drq8;
590 if (mode == AUMODE_PLAY) {
591 sc->sc_o.rate = rate;
592 sc->sc_o.tc = tc;
593 sc->sc_o.modep = m;
594 sc->sc_o.bmode = bmode;
595 sc->sc_o.dmachan = chan;
596 } else {
597 sc->sc_i.rate = rate;
598 sc->sc_i.tc = tc;
599 sc->sc_i.modep = m;
600 sc->sc_i.bmode = bmode;
601 sc->sc_i.dmachan = chan;
602 }
603
604 p->bps = AUDIO_BPS(p->precision);
605 p->msb = 1;
606 DPRINTF(("sbdsp_set_params: model=%d, mode=%d, rate=%ld, prec=%d, chan=%d, enc=%d -> tc=%02x, cmd=%02x, bmode=%02x, cmdchan=%02x\n",
607 sc->sc_model, mode, p->sample_rate, p->precision, p->channels,
608 p->encoding, tc, m->cmd, bmode, m->cmdchan));
609
610 }
611
612 /*
613 * XXX
614 * Should wait for chip to be idle.
615 */
616 sc->sc_i.run = SB_NOTRUNNING;
617 sc->sc_o.run = SB_NOTRUNNING;
618
619 if (sc->sc_fullduplex &&
620 usemode == (AUMODE_PLAY | AUMODE_RECORD) &&
621 sc->sc_i.dmachan == sc->sc_o.dmachan) {
622 DPRINTF(("sbdsp_set_params: fd=%d, usemode=%d, idma=%d, odma=%d\n", sc->sc_fullduplex, usemode, sc->sc_i.dmachan, sc->sc_o.dmachan));
623 return EINVAL;
624 }
625 DPRINTF(("sbdsp_set_params ichan=%d, ochan=%d\n",
626 sc->sc_i.dmachan, sc->sc_o.dmachan));
627
628 return 0;
629 }
630
631 void
sbdsp_set_ifilter(void * addr,int which)632 sbdsp_set_ifilter(void *addr, int which)
633 {
634 struct sbdsp_softc *sc = addr;
635 int mixval;
636
637 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK;
638 switch (which) {
639 case 0:
640 mixval |= SBP_FILTER_OFF;
641 break;
642 case SB_TREBLE:
643 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH;
644 break;
645 case SB_BASS:
646 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW;
647 break;
648 default:
649 return;
650 }
651 sc->in_filter = mixval & SBP_IFILTER_MASK;
652 sbdsp_mix_write(sc, SBP_INFILTER, mixval);
653 }
654
655 int
sbdsp_get_ifilter(void * addr)656 sbdsp_get_ifilter(void *addr)
657 {
658 struct sbdsp_softc *sc = addr;
659
660 sc->in_filter =
661 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK;
662 switch (sc->in_filter) {
663 case SBP_FILTER_ON|SBP_IFILTER_HIGH:
664 return SB_TREBLE;
665 case SBP_FILTER_ON|SBP_IFILTER_LOW:
666 return SB_BASS;
667 default:
668 return 0;
669 }
670 }
671
672 int
sbdsp_set_in_ports(struct sbdsp_softc * sc,int mask)673 sbdsp_set_in_ports(struct sbdsp_softc *sc, int mask)
674 {
675 int bitsl, bitsr;
676 int sbport;
677
678 if (sc->sc_open == SB_OPEN_MIDI)
679 return EBUSY;
680
681 DPRINTF(("sbdsp_set_in_ports: model=%d, mask=%x\n",
682 sc->sc_mixer_model, mask));
683
684 switch(sc->sc_mixer_model) {
685 case SBM_NONE:
686 return EINVAL;
687 case SBM_CT1335:
688 if (mask != (1 << SB_MIC_VOL))
689 return EINVAL;
690 break;
691 case SBM_CT1345:
692 switch (mask) {
693 case 1 << SB_MIC_VOL:
694 sbport = SBP_FROM_MIC;
695 break;
696 case 1 << SB_LINE_IN_VOL:
697 sbport = SBP_FROM_LINE;
698 break;
699 case 1 << SB_CD_VOL:
700 sbport = SBP_FROM_CD;
701 break;
702 default:
703 return (EINVAL);
704 }
705 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, sbport | sc->in_filter);
706 break;
707 case SBM_CT1XX5:
708 case SBM_CT1745:
709 if (mask & ~((1<<SB_MIDI_VOL) | (1<<SB_LINE_IN_VOL) |
710 (1<<SB_CD_VOL) | (1<<SB_MIC_VOL)))
711 return EINVAL;
712 bitsr = 0;
713 if (mask & (1<<SB_MIDI_VOL)) bitsr |= SBP_MIDI_SRC_R;
714 if (mask & (1<<SB_LINE_IN_VOL)) bitsr |= SBP_LINE_SRC_R;
715 if (mask & (1<<SB_CD_VOL)) bitsr |= SBP_CD_SRC_R;
716 bitsl = SB_SRC_R_TO_L(bitsr);
717 if (mask & (1<<SB_MIC_VOL)) {
718 bitsl |= SBP_MIC_SRC;
719 bitsr |= SBP_MIC_SRC;
720 }
721 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_L, bitsl);
722 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_R, bitsr);
723 break;
724 }
725 sc->in_mask = mask;
726
727 return 0;
728 }
729
730 int
sbdsp_speaker_ctl(void * addr,int newstate)731 sbdsp_speaker_ctl(void *addr, int newstate)
732 {
733 struct sbdsp_softc *sc = addr;
734
735 if (sc->sc_open == SB_OPEN_MIDI)
736 return EBUSY;
737
738 if ((newstate == SPKR_ON) &&
739 (sc->spkr_state == SPKR_OFF)) {
740 sbdsp_spkron(sc);
741 sc->spkr_state = SPKR_ON;
742 }
743 if ((newstate == SPKR_OFF) &&
744 (sc->spkr_state == SPKR_ON)) {
745 sbdsp_spkroff(sc);
746 sc->spkr_state = SPKR_OFF;
747 }
748 return 0;
749 }
750
751 int
sbdsp_round_blocksize(void * addr,int blk)752 sbdsp_round_blocksize(void *addr, int blk)
753 {
754 return (blk + 3) & -4; /* round to biggest sample size */
755 }
756
757 int
sbdsp_open(void * addr,int flags)758 sbdsp_open(void *addr, int flags)
759 {
760 struct sbdsp_softc *sc = addr;
761
762 DPRINTF(("sbdsp_open: sc=%p\n", sc));
763
764 if ((flags & (FWRITE | FREAD)) == (FWRITE | FREAD) &&
765 !sc->sc_fullduplex)
766 return ENXIO;
767 if (sc->sc_open != SB_CLOSED)
768 return EBUSY;
769 if (sbdsp_reset(sc) != 0)
770 return EIO;
771
772 sbdsp_speaker_ctl(sc, (flags & FWRITE) ? SPKR_ON : SPKR_OFF);
773
774 sc->sc_open = SB_OPEN_AUDIO;
775 sc->sc_openflags = flags;
776 sc->sc_intrm = 0;
777 if (ISSBPRO(sc) &&
778 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) {
779 DPRINTF(("sbdsp_open: can't set mono mode\n"));
780 /* we'll readjust when it's time for DMA. */
781 }
782
783 /*
784 * Leave most things as they were; users must change things if
785 * the previous process didn't leave it they way they wanted.
786 * Looked at another way, it's easy to set up a configuration
787 * in one program and leave it for another to inherit.
788 */
789 DPRINTF(("sbdsp_open: opened\n"));
790
791 return 0;
792 }
793
794 void
sbdsp_close(void * addr)795 sbdsp_close(void *addr)
796 {
797 struct sbdsp_softc *sc = addr;
798
799 DPRINTF(("sbdsp_close: sc=%p\n", sc));
800
801 sc->sc_open = SB_CLOSED;
802 sbdsp_spkroff(sc);
803 sc->spkr_state = SPKR_OFF;
804 sc->sc_intr8 = 0;
805 sc->sc_intr16 = 0;
806 sc->sc_intrm = 0;
807 sbdsp_haltdma(sc);
808
809 DPRINTF(("sbdsp_close: closed\n"));
810 }
811
812 /*
813 * Lower-level routines
814 */
815
816 /*
817 * Reset the card.
818 * Return non-zero if the card isn't detected.
819 */
820 int
sbdsp_reset(struct sbdsp_softc * sc)821 sbdsp_reset(struct sbdsp_softc *sc)
822 {
823 bus_space_tag_t iot = sc->sc_iot;
824 bus_space_handle_t ioh = sc->sc_ioh;
825
826 sc->sc_intr8 = 0;
827 sc->sc_intr16 = 0;
828 if (sc->sc_i.run != SB_NOTRUNNING) {
829 isa_dmaabort(sc->sc_isa, sc->sc_i.dmachan);
830 sc->sc_i.run = SB_NOTRUNNING;
831 }
832 if (sc->sc_o.run != SB_NOTRUNNING) {
833 isa_dmaabort(sc->sc_isa, sc->sc_o.dmachan);
834 sc->sc_o.run = SB_NOTRUNNING;
835 }
836
837 /*
838 * See SBK, section 11.3.
839 * We pulse a reset signal into the card.
840 * Gee, what a brilliant hardware design.
841 */
842 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1);
843 delay(10);
844 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0);
845 delay(30);
846 if (sbdsp_rdsp(sc) != SB_MAGIC)
847 return -1;
848
849 return 0;
850 }
851
852 /*
853 * Write a byte to the dsp.
854 * We are at the mercy of the card as we use a
855 * polling loop and wait until it can take the byte.
856 */
857 int
sbdsp_wdsp(struct sbdsp_softc * sc,int v)858 sbdsp_wdsp(struct sbdsp_softc *sc, int v)
859 {
860 bus_space_tag_t iot = sc->sc_iot;
861 bus_space_handle_t ioh = sc->sc_ioh;
862 int i;
863 u_char x;
864
865 for (i = SBDSP_NPOLL; --i >= 0; ) {
866 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT);
867 delay(10);
868 if ((x & SB_DSP_BUSY) == 0) {
869 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v);
870 delay(10);
871 return 0;
872 }
873 }
874 ++sberr.wdsp;
875 return -1;
876 }
877
878 /*
879 * Read a byte from the DSP, using polling.
880 */
881 int
sbdsp_rdsp(struct sbdsp_softc * sc)882 sbdsp_rdsp(struct sbdsp_softc *sc)
883 {
884 bus_space_tag_t iot = sc->sc_iot;
885 bus_space_handle_t ioh = sc->sc_ioh;
886 int i;
887 u_char x;
888
889 for (i = SBDSP_NPOLL; --i >= 0; ) {
890 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT);
891 delay(10);
892 if (x & SB_DSP_READY) {
893 x = bus_space_read_1(iot, ioh, SBP_DSP_READ);
894 delay(10);
895 return x;
896 }
897 }
898 ++sberr.rdsp;
899 return -1;
900 }
901
902 /*
903 * Doing certain things (like toggling the speaker) make
904 * the SB hardware go away for a while, so pause a little.
905 */
906 void
sbdsp_to(void * arg)907 sbdsp_to(void *arg)
908 {
909 wakeup(arg);
910 }
911
912 void
sbdsp_pause(struct sbdsp_softc * sc)913 sbdsp_pause(struct sbdsp_softc *sc)
914 {
915 timeout_add_msec(&sc->sc_tmo, 125); /* 8x per second */
916 tsleep_nsec(sbdsp_to, PWAIT, "sbpause", INFSLP);
917 }
918
919 /*
920 * Turn on the speaker. The SBK documentation says this operation
921 * can take up to 1/10 of a second. Higher level layers should
922 * probably let the task sleep for this amount of time after
923 * calling here. Otherwise, things might not work (because
924 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.)
925 *
926 * These engineers had their heads up their ass when
927 * they designed this card.
928 */
929 void
sbdsp_spkron(struct sbdsp_softc * sc)930 sbdsp_spkron(struct sbdsp_softc *sc)
931 {
932 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON);
933 sbdsp_pause(sc);
934 }
935
936 /*
937 * Turn off the speaker; see comment above.
938 */
939 void
sbdsp_spkroff(struct sbdsp_softc * sc)940 sbdsp_spkroff(struct sbdsp_softc *sc)
941 {
942 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF);
943 sbdsp_pause(sc);
944 }
945
946 /*
947 * Read the version number out of the card.
948 * Store version information in the softc.
949 */
950 void
sbversion(struct sbdsp_softc * sc)951 sbversion(struct sbdsp_softc *sc)
952 {
953 int v;
954
955 sc->sc_model = SB_UNK;
956 sc->sc_version = 0;
957 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0)
958 return;
959 v = sbdsp_rdsp(sc) << 8;
960 v |= sbdsp_rdsp(sc);
961 if (v < 0)
962 return;
963 sc->sc_version = v;
964 switch(SBVER_MAJOR(v)) {
965 case 1:
966 sc->sc_mixer_model = SBM_NONE;
967 sc->sc_model = SB_1;
968 break;
969 case 2:
970 /* Some SB2 have a mixer, some don't. */
971 sbdsp_mix_write(sc, SBP_1335_MASTER_VOL, 0x04);
972 sbdsp_mix_write(sc, SBP_1335_MIDI_VOL, 0x06);
973 /* Check if we can read back the mixer values. */
974 if ((sbdsp_mix_read(sc, SBP_1335_MASTER_VOL) & 0x0e) == 0x04 &&
975 (sbdsp_mix_read(sc, SBP_1335_MIDI_VOL) & 0x0e) == 0x06)
976 sc->sc_mixer_model = SBM_CT1335;
977 else
978 sc->sc_mixer_model = SBM_NONE;
979 if (SBVER_MINOR(v) == 0)
980 sc->sc_model = SB_20;
981 else
982 sc->sc_model = SB_2x;
983 break;
984 case 3:
985 sc->sc_mixer_model = SBM_CT1345;
986 sc->sc_model = SB_PRO;
987 break;
988 case 4:
989 #if 0
990 /* XXX This does not work */
991 /* Most SB16 have a tone controls, but some don't. */
992 sbdsp_mix_write(sc, SB16P_TREBLE_L, 0x80);
993 /* Check if we can read back the mixer value. */
994 if ((sbdsp_mix_read(sc, SB16P_TREBLE_L) & 0xf0) == 0x80)
995 sc->sc_mixer_model = SBM_CT1745;
996 else
997 sc->sc_mixer_model = SBM_CT1XX5;
998 #else
999 sc->sc_mixer_model = SBM_CT1745;
1000 #endif
1001 #if 0
1002 /* XXX figure out a good way of determining the model */
1003 /* XXX what about SB_32 */
1004 if (SBVER_MINOR(v) == 16)
1005 sc->sc_model = SB_64;
1006 else
1007 #endif
1008 sc->sc_model = SB_16;
1009 break;
1010 }
1011 }
1012
1013 /*
1014 * Halt a DMA in progress.
1015 */
1016 int
sbdsp_haltdma(void * addr)1017 sbdsp_haltdma(void *addr)
1018 {
1019 struct sbdsp_softc *sc = addr;
1020
1021 DPRINTF(("sbdsp_haltdma: sc=%p\n", sc));
1022
1023 mtx_enter(&audio_lock);
1024 sbdsp_reset(sc);
1025 mtx_leave(&audio_lock);
1026 return 0;
1027 }
1028
1029 int
sbdsp_set_timeconst(struct sbdsp_softc * sc,int tc)1030 sbdsp_set_timeconst(struct sbdsp_softc *sc, int tc)
1031 {
1032 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc));
1033
1034 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 ||
1035 sbdsp_wdsp(sc, tc) < 0)
1036 return EIO;
1037
1038 return 0;
1039 }
1040
1041 int
sbdsp16_set_rate(struct sbdsp_softc * sc,int cmd,int rate)1042 sbdsp16_set_rate(struct sbdsp_softc *sc, int cmd, int rate)
1043 {
1044 DPRINTF(("sbdsp16_set_rate: sc=%p cmd=0x%02x rate=%d\n", sc, cmd, rate));
1045
1046 if (sbdsp_wdsp(sc, cmd) < 0 ||
1047 sbdsp_wdsp(sc, rate >> 8) < 0 ||
1048 sbdsp_wdsp(sc, rate) < 0)
1049 return EIO;
1050 return 0;
1051 }
1052
1053 int
sbdsp_trigger_input(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,struct audio_params * param)1054 sbdsp_trigger_input(void *addr, void *start, void *end, int blksize,
1055 void (*intr)(void *), void *arg, struct audio_params *param)
1056 {
1057 struct sbdsp_softc *sc = addr;
1058 int stereo = param->channels == 2;
1059 int width = param->precision;
1060 int filter;
1061 int rc;
1062
1063 #ifdef DIAGNOSTIC
1064 if (stereo && (blksize & 1)) {
1065 DPRINTF(("stereo record odd bytes (%d)\n", blksize));
1066 return (EIO);
1067 }
1068 #endif
1069
1070 sc->sc_intrr = intr;
1071 sc->sc_argr = arg;
1072
1073 if (width == 8) {
1074 #ifdef DIAGNOSTIC
1075 if (sc->sc_i.dmachan != sc->sc_drq8) {
1076 printf("sbdsp_trigger_input: width=%d bad chan %d\n",
1077 width, sc->sc_i.dmachan);
1078 return (EIO);
1079 }
1080 #endif
1081 sc->sc_intr8 = sbdsp_block_input;
1082 sc->sc_arg8 = addr;
1083 } else {
1084 #ifdef DIAGNOSTIC
1085 if (sc->sc_i.dmachan != sc->sc_drq16) {
1086 printf("sbdsp_trigger_input: width=%d bad chan %d\n",
1087 width, sc->sc_i.dmachan);
1088 return (EIO);
1089 }
1090 #endif
1091 sc->sc_intr16 = sbdsp_block_input;
1092 sc->sc_arg16 = addr;
1093 }
1094
1095 if ((sc->sc_model == SB_JAZZ) ? (sc->sc_i.dmachan > 3) : (width == 16))
1096 blksize >>= 1;
1097 --blksize;
1098 sc->sc_i.blksize = blksize;
1099
1100 if (ISSBPRO(sc)) {
1101 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmdchan) < 0)
1102 return (EIO);
1103 filter = stereo ? SBP_FILTER_OFF : sc->in_filter;
1104 sbdsp_mix_write(sc, SBP_INFILTER,
1105 (sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK) |
1106 filter);
1107 }
1108
1109 if (ISSB16CLASS(sc)) {
1110 if (sbdsp16_set_rate(sc, SB_DSP16_INPUTRATE, sc->sc_i.rate)) {
1111 DPRINTF(("sbdsp_trigger_input: rate=%d set failed\n",
1112 sc->sc_i.rate));
1113 return (EIO);
1114 }
1115 } else {
1116 if (sbdsp_set_timeconst(sc, sc->sc_i.tc)) {
1117 DPRINTF(("sbdsp_trigger_input: tc=%d set failed\n",
1118 sc->sc_i.rate));
1119 return (EIO);
1120 }
1121 }
1122
1123 DPRINTF(("sbdsp: dma start loop input start=%p end=%p chan=%d\n",
1124 start, end, sc->sc_i.dmachan));
1125 mtx_enter(&audio_lock);
1126 isa_dmastart(sc->sc_isa, sc->sc_i.dmachan, start, (char *)end -
1127 (char *)start, NULL, DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT);
1128 rc = sbdsp_block_input(addr);
1129 mtx_leave(&audio_lock);
1130 return rc;
1131 }
1132
1133 int
sbdsp_block_input(void * addr)1134 sbdsp_block_input(void *addr)
1135 {
1136 struct sbdsp_softc *sc = addr;
1137 int cc = sc->sc_i.blksize;
1138
1139 DPRINTFN(2, ("sbdsp_block_input: sc=%p cc=%d\n", addr, cc));
1140
1141 if (sc->sc_i.run != SB_NOTRUNNING)
1142 sc->sc_intrr(sc->sc_argr);
1143
1144 if (sc->sc_model == SB_1) {
1145 /* Non-looping mode, start DMA */
1146 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0 ||
1147 sbdsp_wdsp(sc, cc) < 0 ||
1148 sbdsp_wdsp(sc, cc >> 8) < 0) {
1149 DPRINTF(("sbdsp_block_input: SB1 DMA start failed\n"));
1150 return (EIO);
1151 }
1152 sc->sc_i.run = SB_RUNNING;
1153 } else if (sc->sc_i.run == SB_NOTRUNNING) {
1154 /* Initialize looping PCM */
1155 if (ISSB16CLASS(sc)) {
1156 DPRINTFN(3, ("sbdsp16 input command cmd=0x%02x bmode=0x%02x cc=%d\n",
1157 sc->sc_i.modep->cmd, sc->sc_i.bmode, cc));
1158 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0 ||
1159 sbdsp_wdsp(sc, sc->sc_i.bmode) < 0 ||
1160 sbdsp_wdsp(sc, cc) < 0 ||
1161 sbdsp_wdsp(sc, cc >> 8) < 0) {
1162 DPRINTF(("sbdsp_block_input: SB16 DMA start failed\n"));
1163 return (EIO);
1164 }
1165 } else {
1166 DPRINTF(("sbdsp_block_input: set blocksize=%d\n", cc));
1167 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 ||
1168 sbdsp_wdsp(sc, cc) < 0 ||
1169 sbdsp_wdsp(sc, cc >> 8) < 0) {
1170 DPRINTF(("sbdsp_block_input: SB2 DMA blocksize failed\n"));
1171 return (EIO);
1172 }
1173 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0) {
1174 DPRINTF(("sbdsp_block_input: SB2 DMA start failed\n"));
1175 return (EIO);
1176 }
1177 }
1178 sc->sc_i.run = SB_LOOPING;
1179 }
1180
1181 return (0);
1182 }
1183
1184 int
sbdsp_trigger_output(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,struct audio_params * param)1185 sbdsp_trigger_output(void *addr, void *start, void *end, int blksize,
1186 void (*intr)(void *), void *arg, struct audio_params *param)
1187 {
1188 struct sbdsp_softc *sc = addr;
1189 int stereo = param->channels == 2;
1190 int width = param->precision;
1191 int cmd;
1192 int rc;
1193
1194 #ifdef DIAGNOSTIC
1195 if (stereo && (blksize & 1)) {
1196 DPRINTF(("stereo playback odd bytes (%d)\n", blksize));
1197 return (EIO);
1198 }
1199 #endif
1200
1201 sc->sc_intrp = intr;
1202 sc->sc_argp = arg;
1203
1204 if (width == 8) {
1205 #ifdef DIAGNOSTIC
1206 if (sc->sc_o.dmachan != sc->sc_drq8) {
1207 printf("sbdsp_trigger_output: width=%d bad chan %d\n",
1208 width, sc->sc_o.dmachan);
1209 return (EIO);
1210 }
1211 #endif
1212 sc->sc_intr8 = sbdsp_block_output;
1213 sc->sc_arg8 = addr;
1214 } else {
1215 #ifdef DIAGNOSTIC
1216 if (sc->sc_o.dmachan != sc->sc_drq16) {
1217 printf("sbdsp_trigger_output: width=%d bad chan %d\n",
1218 width, sc->sc_o.dmachan);
1219 return (EIO);
1220 }
1221 #endif
1222 sc->sc_intr16 = sbdsp_block_output;
1223 sc->sc_arg16 = addr;
1224 }
1225
1226 if ((sc->sc_model == SB_JAZZ) ? (sc->sc_o.dmachan > 3) : (width == 16))
1227 blksize >>= 1;
1228 --blksize;
1229 sc->sc_o.blksize = blksize;
1230
1231 if (ISSBPRO(sc)) {
1232 /* make sure we re-set stereo mixer bit when we start output. */
1233 sbdsp_mix_write(sc, SBP_STEREO,
1234 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) |
1235 (stereo ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO));
1236 cmd = sc->sc_o.modep->cmdchan;
1237 if (cmd && sbdsp_wdsp(sc, cmd) < 0)
1238 return (EIO);
1239 }
1240
1241 if (ISSB16CLASS(sc)) {
1242 if (sbdsp16_set_rate(sc, SB_DSP16_OUTPUTRATE, sc->sc_o.rate)) {
1243 DPRINTF(("sbdsp_trigger_output: rate=%d set failed\n",
1244 sc->sc_o.rate));
1245 return (EIO);
1246 }
1247 } else {
1248 if (sbdsp_set_timeconst(sc, sc->sc_o.tc)) {
1249 DPRINTF(("sbdsp_trigger_output: tc=%d set failed\n",
1250 sc->sc_o.rate));
1251 return (EIO);
1252 }
1253 }
1254
1255 DPRINTF(("sbdsp: dma start loop output start=%p end=%p chan=%d\n",
1256 start, end, sc->sc_o.dmachan));
1257 mtx_enter(&audio_lock);
1258 isa_dmastart(sc->sc_isa, sc->sc_o.dmachan, start, (char *)end -
1259 (char *)start, NULL, DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
1260 rc = sbdsp_block_output(addr);
1261 mtx_leave(&audio_lock);
1262 return rc;
1263 }
1264
1265 int
sbdsp_block_output(void * addr)1266 sbdsp_block_output(void *addr)
1267 {
1268 struct sbdsp_softc *sc = addr;
1269 int cc = sc->sc_o.blksize;
1270
1271 DPRINTFN(2, ("sbdsp_block_output: sc=%p cc=%d\n", addr, cc));
1272
1273 if (sc->sc_o.run != SB_NOTRUNNING)
1274 sc->sc_intrp(sc->sc_argp);
1275
1276 if (sc->sc_model == SB_1) {
1277 /* Non-looping mode, initialized. Start DMA and PCM */
1278 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0 ||
1279 sbdsp_wdsp(sc, cc) < 0 ||
1280 sbdsp_wdsp(sc, cc >> 8) < 0) {
1281 DPRINTF(("sbdsp_block_output: SB1 DMA start failed\n"));
1282 return (EIO);
1283 }
1284 sc->sc_o.run = SB_RUNNING;
1285 } else if (sc->sc_o.run == SB_NOTRUNNING) {
1286 /* Initialize looping PCM */
1287 if (ISSB16CLASS(sc)) {
1288 DPRINTF(("sbdsp_block_output: SB16 cmd=0x%02x bmode=0x%02x cc=%d\n",
1289 sc->sc_o.modep->cmd,sc->sc_o.bmode, cc));
1290 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0 ||
1291 sbdsp_wdsp(sc, sc->sc_o.bmode) < 0 ||
1292 sbdsp_wdsp(sc, cc) < 0 ||
1293 sbdsp_wdsp(sc, cc >> 8) < 0) {
1294 DPRINTF(("sbdsp_block_output: SB16 DMA start failed\n"));
1295 return (EIO);
1296 }
1297 } else {
1298 DPRINTF(("sbdsp_block_output: set blocksize=%d\n", cc));
1299 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 ||
1300 sbdsp_wdsp(sc, cc) < 0 ||
1301 sbdsp_wdsp(sc, cc >> 8) < 0) {
1302 DPRINTF(("sbdsp_block_output: SB2 DMA blocksize failed\n"));
1303 return (EIO);
1304 }
1305 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0) {
1306 DPRINTF(("sbdsp_block_output: SB2 DMA start failed\n"));
1307 return (EIO);
1308 }
1309 }
1310 sc->sc_o.run = SB_LOOPING;
1311 }
1312
1313 return (0);
1314 }
1315
1316 /*
1317 * Only the DSP unit on the sound blaster generates interrupts.
1318 * There are three cases of interrupt: reception of a midi byte
1319 * (when mode is enabled), completion of dma transmission, or
1320 * completion of a dma reception.
1321 *
1322 * If there is interrupt sharing or a spurious interrupt occurs
1323 * there is no way to distinguish this on an SB2. So if you have
1324 * an SB2 and experience problems, buy an SB16 (it's only $40).
1325 */
1326 int
sbdsp_intr(void * arg)1327 sbdsp_intr(void *arg)
1328 {
1329 struct sbdsp_softc *sc = arg;
1330 u_char irq;
1331
1332 mtx_enter(&audio_lock);
1333 DPRINTFN(2, ("sbdsp_intr: intr8=%p, intr16=%p\n",
1334 sc->sc_intr8, sc->sc_intr16));
1335 if (ISSB16CLASS(sc)) {
1336 bus_space_write_1(sc->sc_iot, sc->sc_ioh,
1337 SBP_MIXER_ADDR, SBP_IRQ_STATUS);
1338 delay(20);
1339 irq = bus_space_read_1(sc->sc_iot, sc->sc_ioh,
1340 SBP_MIXER_DATA);
1341 delay(30);
1342 if ((irq & (SBP_IRQ_DMA8 | SBP_IRQ_DMA16 | SBP_IRQ_MPU401)) == 0) {
1343 DPRINTF(("sbdsp_intr: Spurious interrupt 0x%x\n", irq));
1344 mtx_leave(&audio_lock);
1345 return 0;
1346 }
1347 } else {
1348 /* XXXX CHECK FOR INTERRUPT */
1349 irq = SBP_IRQ_DMA8;
1350 }
1351
1352 sc->sc_interrupts++;
1353 delay(10); /* XXX why? */
1354
1355 /* clear interrupt */
1356 if (irq & SBP_IRQ_DMA8) {
1357 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK8);
1358 if (sc->sc_intr8)
1359 sc->sc_intr8(sc->sc_arg8);
1360 }
1361 if (irq & SBP_IRQ_DMA16) {
1362 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK16);
1363 if (sc->sc_intr16)
1364 sc->sc_intr16(sc->sc_arg16);
1365 }
1366 #if NMIDI > 0
1367 if ((irq & SBP_IRQ_MPU401) && sc->sc_hasmpu) {
1368 mpu_intr(&sc->sc_mpu_sc);
1369 }
1370 #endif
1371 mtx_leave(&audio_lock);
1372 return 1;
1373 }
1374
1375 /* Like val & mask, but make sure the result is correctly rounded. */
1376 #define MAXVAL 256
1377 static int
sbdsp_adjust(int val,int mask)1378 sbdsp_adjust(int val, int mask)
1379 {
1380 val += (MAXVAL - mask) >> 1;
1381 if (val >= MAXVAL)
1382 val = MAXVAL-1;
1383 return val & mask;
1384 }
1385
1386 void
sbdsp_set_mixer_gain(struct sbdsp_softc * sc,int port)1387 sbdsp_set_mixer_gain(struct sbdsp_softc *sc, int port)
1388 {
1389 int src, gain;
1390
1391 switch(sc->sc_mixer_model) {
1392 case SBM_NONE:
1393 return;
1394 case SBM_CT1335:
1395 gain = SB_1335_GAIN(sc->gain[port][SB_LEFT]);
1396 switch(port) {
1397 case SB_MASTER_VOL:
1398 src = SBP_1335_MASTER_VOL;
1399 break;
1400 case SB_MIDI_VOL:
1401 src = SBP_1335_MIDI_VOL;
1402 break;
1403 case SB_CD_VOL:
1404 src = SBP_1335_CD_VOL;
1405 break;
1406 case SB_VOICE_VOL:
1407 src = SBP_1335_VOICE_VOL;
1408 gain = SB_1335_MASTER_GAIN(sc->gain[port][SB_LEFT]);
1409 break;
1410 default:
1411 return;
1412 }
1413 sbdsp_mix_write(sc, src, gain);
1414 break;
1415 case SBM_CT1345:
1416 gain = SB_STEREO_GAIN(sc->gain[port][SB_LEFT],
1417 sc->gain[port][SB_RIGHT]);
1418 switch (port) {
1419 case SB_MIC_VOL:
1420 src = SBP_MIC_VOL;
1421 gain = SB_MIC_GAIN(sc->gain[port][SB_LEFT]);
1422 break;
1423 case SB_MASTER_VOL:
1424 src = SBP_MASTER_VOL;
1425 break;
1426 case SB_LINE_IN_VOL:
1427 src = SBP_LINE_VOL;
1428 break;
1429 case SB_VOICE_VOL:
1430 src = SBP_VOICE_VOL;
1431 break;
1432 case SB_MIDI_VOL:
1433 src = SBP_MIDI_VOL;
1434 break;
1435 case SB_CD_VOL:
1436 src = SBP_CD_VOL;
1437 break;
1438 default:
1439 return;
1440 }
1441 sbdsp_mix_write(sc, src, gain);
1442 break;
1443 case SBM_CT1XX5:
1444 case SBM_CT1745:
1445 switch (port) {
1446 case SB_MIC_VOL:
1447 src = SB16P_MIC_L;
1448 break;
1449 case SB_MASTER_VOL:
1450 src = SB16P_MASTER_L;
1451 break;
1452 case SB_LINE_IN_VOL:
1453 src = SB16P_LINE_L;
1454 break;
1455 case SB_VOICE_VOL:
1456 src = SB16P_VOICE_L;
1457 break;
1458 case SB_MIDI_VOL:
1459 src = SB16P_MIDI_L;
1460 break;
1461 case SB_CD_VOL:
1462 src = SB16P_CD_L;
1463 break;
1464 case SB_INPUT_GAIN:
1465 src = SB16P_INPUT_GAIN_L;
1466 break;
1467 case SB_OUTPUT_GAIN:
1468 src = SB16P_OUTPUT_GAIN_L;
1469 break;
1470 case SB_TREBLE:
1471 src = SB16P_TREBLE_L;
1472 break;
1473 case SB_BASS:
1474 src = SB16P_BASS_L;
1475 break;
1476 case SB_PCSPEAKER:
1477 sbdsp_mix_write(sc, SB16P_PCSPEAKER, sc->gain[port][SB_LEFT]);
1478 return;
1479 default:
1480 return;
1481 }
1482 sbdsp_mix_write(sc, src, sc->gain[port][SB_LEFT]);
1483 sbdsp_mix_write(sc, SB16P_L_TO_R(src), sc->gain[port][SB_RIGHT]);
1484 break;
1485 }
1486 }
1487
1488 int
sbdsp_mixer_set_port(void * addr,mixer_ctrl_t * cp)1489 sbdsp_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1490 {
1491 struct sbdsp_softc *sc = addr;
1492 int lgain, rgain;
1493 int mask, bits;
1494 int lmask, rmask, lbits, rbits;
1495 int mute, swap;
1496
1497 if (sc->sc_open == SB_OPEN_MIDI)
1498 return EBUSY;
1499
1500 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev,
1501 cp->un.value.num_channels));
1502
1503 if (sc->sc_mixer_model == SBM_NONE)
1504 return EINVAL;
1505
1506 switch (cp->dev) {
1507 case SB_TREBLE:
1508 case SB_BASS:
1509 if (sc->sc_mixer_model == SBM_CT1345 ||
1510 sc->sc_mixer_model == SBM_CT1XX5) {
1511 if (cp->type != AUDIO_MIXER_ENUM)
1512 return EINVAL;
1513 switch (cp->dev) {
1514 case SB_TREBLE:
1515 sbdsp_set_ifilter(addr, cp->un.ord ? SB_TREBLE : 0);
1516 return 0;
1517 case SB_BASS:
1518 sbdsp_set_ifilter(addr, cp->un.ord ? SB_BASS : 0);
1519 return 0;
1520 }
1521 }
1522 case SB_PCSPEAKER:
1523 case SB_INPUT_GAIN:
1524 case SB_OUTPUT_GAIN:
1525 if (!ISSBM1745(sc))
1526 return EINVAL;
1527 case SB_MIC_VOL:
1528 case SB_LINE_IN_VOL:
1529 if (sc->sc_mixer_model == SBM_CT1335)
1530 return EINVAL;
1531 case SB_VOICE_VOL:
1532 case SB_MIDI_VOL:
1533 case SB_CD_VOL:
1534 case SB_MASTER_VOL:
1535 if (cp->type != AUDIO_MIXER_VALUE)
1536 return EINVAL;
1537
1538 /*
1539 * All the mixer ports are stereo except for the microphone.
1540 * If we get a single-channel gain value passed in, then we
1541 * duplicate it to both left and right channels.
1542 */
1543
1544 switch (cp->dev) {
1545 case SB_MIC_VOL:
1546 if (cp->un.value.num_channels != 1)
1547 return EINVAL;
1548
1549 lgain = rgain = SB_ADJUST_MIC_GAIN(sc,
1550 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1551 break;
1552 case SB_PCSPEAKER:
1553 if (cp->un.value.num_channels != 1)
1554 return EINVAL;
1555 /* fall into */
1556 case SB_INPUT_GAIN:
1557 case SB_OUTPUT_GAIN:
1558 lgain = rgain = SB_ADJUST_2_GAIN(sc,
1559 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1560 break;
1561 default:
1562 switch (cp->un.value.num_channels) {
1563 case 1:
1564 lgain = rgain = SB_ADJUST_GAIN(sc,
1565 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]);
1566 break;
1567 case 2:
1568 if (sc->sc_mixer_model == SBM_CT1335)
1569 return EINVAL;
1570 lgain = SB_ADJUST_GAIN(sc,
1571 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]);
1572 rgain = SB_ADJUST_GAIN(sc,
1573 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]);
1574 break;
1575 default:
1576 return EINVAL;
1577 }
1578 break;
1579 }
1580 sc->gain[cp->dev][SB_LEFT] = lgain;
1581 sc->gain[cp->dev][SB_RIGHT] = rgain;
1582
1583 sbdsp_set_mixer_gain(sc, cp->dev);
1584 break;
1585
1586 case SB_RECORD_SOURCE:
1587 if (ISSBM1745(sc)) {
1588 if (cp->type != AUDIO_MIXER_SET)
1589 return EINVAL;
1590 return sbdsp_set_in_ports(sc, cp->un.mask);
1591 } else {
1592 if (cp->type != AUDIO_MIXER_ENUM)
1593 return EINVAL;
1594 sc->in_port = cp->un.ord;
1595 return sbdsp_set_in_ports(sc, 1 << cp->un.ord);
1596 }
1597 break;
1598
1599 case SB_AGC:
1600 if (!ISSBM1745(sc) || cp->type != AUDIO_MIXER_ENUM)
1601 return EINVAL;
1602 sbdsp_mix_write(sc, SB16P_AGC, cp->un.ord & 1);
1603 break;
1604
1605 case SB_CD_OUT_MUTE:
1606 mask = SB16P_SW_CD;
1607 goto omute;
1608 case SB_MIC_OUT_MUTE:
1609 mask = SB16P_SW_MIC;
1610 goto omute;
1611 case SB_LINE_OUT_MUTE:
1612 mask = SB16P_SW_LINE;
1613 omute:
1614 if (cp->type != AUDIO_MIXER_ENUM)
1615 return EINVAL;
1616 bits = sbdsp_mix_read(sc, SB16P_OSWITCH);
1617 sc->gain[cp->dev][SB_LR] = cp->un.ord != 0;
1618 if (cp->un.ord)
1619 bits = bits & ~mask;
1620 else
1621 bits = bits | mask;
1622 sbdsp_mix_write(sc, SB16P_OSWITCH, bits);
1623 break;
1624
1625 case SB_MIC_IN_MUTE:
1626 case SB_MIC_SWAP:
1627 lmask = rmask = SB16P_SW_MIC;
1628 goto imute;
1629 case SB_CD_IN_MUTE:
1630 case SB_CD_SWAP:
1631 lmask = SB16P_SW_CD_L;
1632 rmask = SB16P_SW_CD_R;
1633 goto imute;
1634 case SB_LINE_IN_MUTE:
1635 case SB_LINE_SWAP:
1636 lmask = SB16P_SW_LINE_L;
1637 rmask = SB16P_SW_LINE_R;
1638 goto imute;
1639 case SB_MIDI_IN_MUTE:
1640 case SB_MIDI_SWAP:
1641 lmask = SB16P_SW_MIDI_L;
1642 rmask = SB16P_SW_MIDI_R;
1643 imute:
1644 if (cp->type != AUDIO_MIXER_ENUM)
1645 return EINVAL;
1646 mask = lmask | rmask;
1647 lbits = sbdsp_mix_read(sc, SB16P_ISWITCH_L) & ~mask;
1648 rbits = sbdsp_mix_read(sc, SB16P_ISWITCH_R) & ~mask;
1649 sc->gain[cp->dev][SB_LR] = cp->un.ord != 0;
1650 if (SB_IS_IN_MUTE(cp->dev)) {
1651 mute = cp->dev;
1652 swap = mute - SB_CD_IN_MUTE + SB_CD_SWAP;
1653 } else {
1654 swap = cp->dev;
1655 mute = swap + SB_CD_IN_MUTE - SB_CD_SWAP;
1656 }
1657 if (sc->gain[swap][SB_LR]) {
1658 mask = lmask;
1659 lmask = rmask;
1660 rmask = mask;
1661 }
1662 if (!sc->gain[mute][SB_LR]) {
1663 lbits = lbits | lmask;
1664 rbits = rbits | rmask;
1665 }
1666 sbdsp_mix_write(sc, SB16P_ISWITCH_L, lbits);
1667 sbdsp_mix_write(sc, SB16P_ISWITCH_L, rbits);
1668 break;
1669
1670 default:
1671 return EINVAL;
1672 }
1673
1674 return 0;
1675 }
1676
1677 int
sbdsp_mixer_get_port(void * addr,mixer_ctrl_t * cp)1678 sbdsp_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1679 {
1680 struct sbdsp_softc *sc = addr;
1681
1682 if (sc->sc_open == SB_OPEN_MIDI)
1683 return EBUSY;
1684
1685 DPRINTF(("sbdsp_mixer_get_port: port=%d\n", cp->dev));
1686
1687 if (sc->sc_mixer_model == SBM_NONE)
1688 return EINVAL;
1689
1690 switch (cp->dev) {
1691 case SB_TREBLE:
1692 case SB_BASS:
1693 if (sc->sc_mixer_model == SBM_CT1345 ||
1694 sc->sc_mixer_model == SBM_CT1XX5) {
1695 switch (cp->dev) {
1696 case SB_TREBLE:
1697 cp->un.ord = sbdsp_get_ifilter(addr) == SB_TREBLE;
1698 return 0;
1699 case SB_BASS:
1700 cp->un.ord = sbdsp_get_ifilter(addr) == SB_BASS;
1701 return 0;
1702 }
1703 }
1704 case SB_PCSPEAKER:
1705 case SB_INPUT_GAIN:
1706 case SB_OUTPUT_GAIN:
1707 if (!ISSBM1745(sc))
1708 return EINVAL;
1709 case SB_MIC_VOL:
1710 case SB_LINE_IN_VOL:
1711 if (sc->sc_mixer_model == SBM_CT1335)
1712 return EINVAL;
1713 case SB_VOICE_VOL:
1714 case SB_MIDI_VOL:
1715 case SB_CD_VOL:
1716 case SB_MASTER_VOL:
1717 switch (cp->dev) {
1718 case SB_MIC_VOL:
1719 case SB_PCSPEAKER:
1720 if (cp->un.value.num_channels != 1)
1721 return EINVAL;
1722 /* fall into */
1723 default:
1724 switch (cp->un.value.num_channels) {
1725 case 1:
1726 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
1727 sc->gain[cp->dev][SB_LEFT];
1728 break;
1729 case 2:
1730 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
1731 sc->gain[cp->dev][SB_LEFT];
1732 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
1733 sc->gain[cp->dev][SB_RIGHT];
1734 break;
1735 default:
1736 return EINVAL;
1737 }
1738 break;
1739 }
1740 break;
1741
1742 case SB_RECORD_SOURCE:
1743 if (ISSBM1745(sc))
1744 cp->un.mask = sc->in_mask;
1745 else
1746 cp->un.ord = sc->in_port;
1747 break;
1748
1749 case SB_AGC:
1750 if (!ISSBM1745(sc))
1751 return EINVAL;
1752 cp->un.ord = sbdsp_mix_read(sc, SB16P_AGC);
1753 break;
1754
1755 case SB_CD_IN_MUTE:
1756 case SB_MIC_IN_MUTE:
1757 case SB_LINE_IN_MUTE:
1758 case SB_MIDI_IN_MUTE:
1759 case SB_CD_SWAP:
1760 case SB_MIC_SWAP:
1761 case SB_LINE_SWAP:
1762 case SB_MIDI_SWAP:
1763 case SB_CD_OUT_MUTE:
1764 case SB_MIC_OUT_MUTE:
1765 case SB_LINE_OUT_MUTE:
1766 cp->un.ord = sc->gain[cp->dev][SB_LR];
1767 break;
1768
1769 default:
1770 return EINVAL;
1771 }
1772
1773 return 0;
1774 }
1775
1776 int
sbdsp_mixer_query_devinfo(void * addr,mixer_devinfo_t * dip)1777 sbdsp_mixer_query_devinfo(void *addr, mixer_devinfo_t *dip)
1778 {
1779 struct sbdsp_softc *sc = addr;
1780 int chan, class, is1745;
1781
1782 DPRINTF(("sbdsp_mixer_query_devinfo: model=%d index=%d\n",
1783 sc->sc_mixer_model, dip->index));
1784
1785 if (dip->index < 0)
1786 return ENXIO;
1787
1788 if (sc->sc_mixer_model == SBM_NONE)
1789 return ENXIO;
1790
1791 chan = sc->sc_mixer_model == SBM_CT1335 ? 1 : 2;
1792 is1745 = ISSBM1745(sc);
1793 class = is1745 ? SB_INPUT_CLASS : SB_OUTPUT_CLASS;
1794
1795 switch (dip->index) {
1796 case SB_MASTER_VOL:
1797 dip->type = AUDIO_MIXER_VALUE;
1798 dip->mixer_class = SB_OUTPUT_CLASS;
1799 dip->prev = dip->next = AUDIO_MIXER_LAST;
1800 strlcpy(dip->label.name, AudioNmaster, sizeof dip->label.name);
1801 dip->un.v.num_channels = chan;
1802 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1803 return 0;
1804 case SB_MIDI_VOL:
1805 dip->type = AUDIO_MIXER_VALUE;
1806 dip->mixer_class = class;
1807 dip->prev = AUDIO_MIXER_LAST;
1808 dip->next = is1745 ? SB_MIDI_IN_MUTE : AUDIO_MIXER_LAST;
1809 strlcpy(dip->label.name, AudioNfmsynth, sizeof dip->label.name);
1810 dip->un.v.num_channels = chan;
1811 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1812 return 0;
1813 case SB_CD_VOL:
1814 dip->type = AUDIO_MIXER_VALUE;
1815 dip->mixer_class = class;
1816 dip->prev = AUDIO_MIXER_LAST;
1817 dip->next = is1745 ? SB_CD_IN_MUTE : AUDIO_MIXER_LAST;
1818 strlcpy(dip->label.name, AudioNcd, sizeof dip->label.name);
1819 dip->un.v.num_channels = chan;
1820 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1821 return 0;
1822 case SB_VOICE_VOL:
1823 dip->type = AUDIO_MIXER_VALUE;
1824 dip->mixer_class = class;
1825 dip->prev = AUDIO_MIXER_LAST;
1826 dip->next = AUDIO_MIXER_LAST;
1827 strlcpy(dip->label.name, AudioNdac, sizeof dip->label.name);
1828 dip->un.v.num_channels = chan;
1829 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1830 return 0;
1831 case SB_OUTPUT_CLASS:
1832 dip->type = AUDIO_MIXER_CLASS;
1833 dip->mixer_class = SB_OUTPUT_CLASS;
1834 dip->next = dip->prev = AUDIO_MIXER_LAST;
1835 strlcpy(dip->label.name, AudioCoutputs, sizeof dip->label.name);
1836 return 0;
1837 }
1838
1839 if (sc->sc_mixer_model == SBM_CT1335)
1840 return ENXIO;
1841
1842 switch (dip->index) {
1843 case SB_MIC_VOL:
1844 dip->type = AUDIO_MIXER_VALUE;
1845 dip->mixer_class = class;
1846 dip->prev = AUDIO_MIXER_LAST;
1847 dip->next = is1745 ? SB_MIC_IN_MUTE : AUDIO_MIXER_LAST;
1848 strlcpy(dip->label.name, AudioNmicrophone,
1849 sizeof dip->label.name);
1850 dip->un.v.num_channels = 1;
1851 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1852 return 0;
1853
1854 case SB_LINE_IN_VOL:
1855 dip->type = AUDIO_MIXER_VALUE;
1856 dip->mixer_class = class;
1857 dip->prev = AUDIO_MIXER_LAST;
1858 dip->next = is1745 ? SB_LINE_IN_MUTE : AUDIO_MIXER_LAST;
1859 strlcpy(dip->label.name, AudioNline, sizeof dip->label.name);
1860 dip->un.v.num_channels = 2;
1861 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1862 return 0;
1863
1864 case SB_RECORD_SOURCE:
1865 dip->mixer_class = SB_RECORD_CLASS;
1866 dip->prev = dip->next = AUDIO_MIXER_LAST;
1867 strlcpy(dip->label.name, AudioNsource, sizeof dip->label.name);
1868 if (ISSBM1745(sc)) {
1869 dip->type = AUDIO_MIXER_SET;
1870 dip->un.s.num_mem = 4;
1871 strlcpy(dip->un.s.member[0].label.name,
1872 AudioNmicrophone,
1873 sizeof dip->un.s.member[0].label.name);
1874 dip->un.s.member[0].mask = 1 << SB_MIC_VOL;
1875 strlcpy(dip->un.s.member[1].label.name,
1876 AudioNcd, sizeof dip->un.s.member[1].label.name);
1877 dip->un.s.member[1].mask = 1 << SB_CD_VOL;
1878 strlcpy(dip->un.s.member[2].label.name,
1879 AudioNline, sizeof dip->un.s.member[2].label.name);
1880 dip->un.s.member[2].mask = 1 << SB_LINE_IN_VOL;
1881 strlcpy(dip->un.s.member[3].label.name,
1882 AudioNfmsynth,
1883 sizeof dip->un.s.member[3].label.name);
1884 dip->un.s.member[3].mask = 1 << SB_MIDI_VOL;
1885 } else {
1886 dip->type = AUDIO_MIXER_ENUM;
1887 dip->un.e.num_mem = 3;
1888 strlcpy(dip->un.e.member[0].label.name,
1889 AudioNmicrophone,
1890 sizeof dip->un.e.member[0].label.name);
1891 dip->un.e.member[0].ord = SB_MIC_VOL;
1892 strlcpy(dip->un.e.member[1].label.name, AudioNcd,
1893 sizeof dip->un.e.member[1].label.name);
1894 dip->un.e.member[1].ord = SB_CD_VOL;
1895 strlcpy(dip->un.e.member[2].label.name, AudioNline,
1896 sizeof dip->un.e.member[2].label.name);
1897 dip->un.e.member[2].ord = SB_LINE_IN_VOL;
1898 }
1899 return 0;
1900
1901 case SB_BASS:
1902 dip->prev = dip->next = AUDIO_MIXER_LAST;
1903 strlcpy(dip->label.name, AudioNbass, sizeof dip->label.name);
1904 if (sc->sc_mixer_model == SBM_CT1745) {
1905 dip->type = AUDIO_MIXER_VALUE;
1906 dip->mixer_class = SB_EQUALIZATION_CLASS;
1907 dip->un.v.num_channels = 2;
1908 strlcpy(dip->un.v.units.name, AudioNbass, sizeof dip->un.v.units.name);
1909 } else {
1910 dip->type = AUDIO_MIXER_ENUM;
1911 dip->mixer_class = SB_INPUT_CLASS;
1912 dip->un.e.num_mem = 2;
1913 strlcpy(dip->un.e.member[0].label.name, AudioNoff,
1914 sizeof dip->un.e.member[0].label.name);
1915 dip->un.e.member[0].ord = 0;
1916 strlcpy(dip->un.e.member[1].label.name, AudioNon,
1917 sizeof dip->un.e.member[1].label.name);
1918 dip->un.e.member[1].ord = 1;
1919 }
1920 return 0;
1921
1922 case SB_TREBLE:
1923 dip->prev = dip->next = AUDIO_MIXER_LAST;
1924 strlcpy(dip->label.name, AudioNtreble, sizeof dip->label.name);
1925 if (sc->sc_mixer_model == SBM_CT1745) {
1926 dip->type = AUDIO_MIXER_VALUE;
1927 dip->mixer_class = SB_EQUALIZATION_CLASS;
1928 dip->un.v.num_channels = 2;
1929 strlcpy(dip->un.v.units.name, AudioNtreble, sizeof dip->un.v.units.name);
1930 } else {
1931 dip->type = AUDIO_MIXER_ENUM;
1932 dip->mixer_class = SB_INPUT_CLASS;
1933 dip->un.e.num_mem = 2;
1934 strlcpy(dip->un.e.member[0].label.name, AudioNoff,
1935 sizeof dip->un.e.member[0].label.name);
1936 dip->un.e.member[0].ord = 0;
1937 strlcpy(dip->un.e.member[1].label.name, AudioNon,
1938 sizeof dip->un.e.member[1].label.name);
1939 dip->un.e.member[1].ord = 1;
1940 }
1941 return 0;
1942
1943 case SB_RECORD_CLASS: /* record source class */
1944 dip->type = AUDIO_MIXER_CLASS;
1945 dip->mixer_class = SB_RECORD_CLASS;
1946 dip->next = dip->prev = AUDIO_MIXER_LAST;
1947 strlcpy(dip->label.name, AudioCrecord, sizeof dip->label.name);
1948 return 0;
1949
1950 case SB_INPUT_CLASS:
1951 dip->type = AUDIO_MIXER_CLASS;
1952 dip->mixer_class = SB_INPUT_CLASS;
1953 dip->next = dip->prev = AUDIO_MIXER_LAST;
1954 strlcpy(dip->label.name, AudioCinputs, sizeof dip->label.name);
1955 return 0;
1956
1957 }
1958
1959 if (sc->sc_mixer_model == SBM_CT1345)
1960 return ENXIO;
1961
1962 switch(dip->index) {
1963 case SB_PCSPEAKER:
1964 dip->type = AUDIO_MIXER_VALUE;
1965 dip->mixer_class = SB_INPUT_CLASS;
1966 dip->prev = dip->next = AUDIO_MIXER_LAST;
1967 strlcpy(dip->label.name, "pc_speaker", sizeof dip->label.name);
1968 dip->un.v.num_channels = 1;
1969 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1970 return 0;
1971
1972 case SB_INPUT_GAIN:
1973 dip->type = AUDIO_MIXER_VALUE;
1974 dip->mixer_class = SB_INPUT_CLASS;
1975 dip->prev = dip->next = AUDIO_MIXER_LAST;
1976 strlcpy(dip->label.name, AudioNinput, sizeof dip->label.name);
1977 dip->un.v.num_channels = 2;
1978 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1979 return 0;
1980
1981 case SB_OUTPUT_GAIN:
1982 dip->type = AUDIO_MIXER_VALUE;
1983 dip->mixer_class = SB_OUTPUT_CLASS;
1984 dip->prev = dip->next = AUDIO_MIXER_LAST;
1985 strlcpy(dip->label.name, AudioNoutput, sizeof dip->label.name);
1986 dip->un.v.num_channels = 2;
1987 strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name);
1988 return 0;
1989
1990 case SB_AGC:
1991 dip->type = AUDIO_MIXER_ENUM;
1992 dip->mixer_class = SB_INPUT_CLASS;
1993 dip->prev = dip->next = AUDIO_MIXER_LAST;
1994 strlcpy(dip->label.name, "agc", sizeof dip->label.name);
1995 dip->un.e.num_mem = 2;
1996 strlcpy(dip->un.e.member[0].label.name, AudioNoff,
1997 sizeof dip->un.e.member[0].label.name);
1998 dip->un.e.member[0].ord = 0;
1999 strlcpy(dip->un.e.member[1].label.name, AudioNon,
2000 sizeof dip->un.e.member[1].label.name);
2001 dip->un.e.member[1].ord = 1;
2002 return 0;
2003
2004 case SB_EQUALIZATION_CLASS:
2005 dip->type = AUDIO_MIXER_CLASS;
2006 dip->mixer_class = SB_EQUALIZATION_CLASS;
2007 dip->next = dip->prev = AUDIO_MIXER_LAST;
2008 strlcpy(dip->label.name, AudioCequalization, sizeof dip->label.name);
2009 return 0;
2010
2011 case SB_CD_IN_MUTE:
2012 dip->prev = SB_CD_VOL;
2013 dip->next = SB_CD_SWAP;
2014 dip->mixer_class = SB_INPUT_CLASS;
2015 goto mute;
2016
2017 case SB_MIC_IN_MUTE:
2018 dip->prev = SB_MIC_VOL;
2019 dip->next = SB_MIC_SWAP;
2020 dip->mixer_class = SB_INPUT_CLASS;
2021 goto mute;
2022
2023 case SB_LINE_IN_MUTE:
2024 dip->prev = SB_LINE_IN_VOL;
2025 dip->next = SB_LINE_SWAP;
2026 dip->mixer_class = SB_INPUT_CLASS;
2027 goto mute;
2028
2029 case SB_MIDI_IN_MUTE:
2030 dip->prev = SB_MIDI_VOL;
2031 dip->next = SB_MIDI_SWAP;
2032 dip->mixer_class = SB_INPUT_CLASS;
2033 goto mute;
2034
2035 case SB_CD_SWAP:
2036 dip->prev = SB_CD_IN_MUTE;
2037 dip->next = SB_CD_OUT_MUTE;
2038 goto swap;
2039
2040 case SB_MIC_SWAP:
2041 dip->prev = SB_MIC_IN_MUTE;
2042 dip->next = SB_MIC_OUT_MUTE;
2043 goto swap;
2044
2045 case SB_LINE_SWAP:
2046 dip->prev = SB_LINE_IN_MUTE;
2047 dip->next = SB_LINE_OUT_MUTE;
2048 goto swap;
2049
2050 case SB_MIDI_SWAP:
2051 dip->prev = SB_MIDI_IN_MUTE;
2052 dip->next = AUDIO_MIXER_LAST;
2053 swap:
2054 dip->mixer_class = SB_INPUT_CLASS;
2055 strlcpy(dip->label.name, AudioNswap, sizeof dip->label.name);
2056 goto mute1;
2057
2058 case SB_CD_OUT_MUTE:
2059 dip->prev = SB_CD_SWAP;
2060 dip->next = AUDIO_MIXER_LAST;
2061 dip->mixer_class = SB_OUTPUT_CLASS;
2062 goto mute;
2063
2064 case SB_MIC_OUT_MUTE:
2065 dip->prev = SB_MIC_SWAP;
2066 dip->next = AUDIO_MIXER_LAST;
2067 dip->mixer_class = SB_OUTPUT_CLASS;
2068 goto mute;
2069
2070 case SB_LINE_OUT_MUTE:
2071 dip->prev = SB_LINE_SWAP;
2072 dip->next = AUDIO_MIXER_LAST;
2073 dip->mixer_class = SB_OUTPUT_CLASS;
2074 mute:
2075 strlcpy(dip->label.name, AudioNmute, sizeof dip->label.name);
2076 mute1:
2077 dip->type = AUDIO_MIXER_ENUM;
2078 dip->un.e.num_mem = 2;
2079 strlcpy(dip->un.e.member[0].label.name, AudioNoff,
2080 sizeof dip->un.e.member[0].label.name);
2081 dip->un.e.member[0].ord = 0;
2082 strlcpy(dip->un.e.member[1].label.name, AudioNon,
2083 sizeof dip->un.e.member[1].label.name);
2084 dip->un.e.member[1].ord = 1;
2085 return 0;
2086
2087 }
2088
2089 return ENXIO;
2090 }
2091
2092 void *
sb_malloc(void * addr,int direction,size_t size,int pool,int flags)2093 sb_malloc(void *addr, int direction, size_t size, int pool, int flags)
2094 {
2095 struct sbdsp_softc *sc = addr;
2096 int drq;
2097
2098 /* 8-bit has more restrictive alignment */
2099 if (sc->sc_drq8 != -1)
2100 drq = sc->sc_drq8;
2101 else
2102 drq = sc->sc_drq16;
2103
2104 return isa_malloc(sc->sc_isa, drq, size, pool, flags);
2105 }
2106
2107 void
sb_free(void * addr,void * ptr,int pool)2108 sb_free(void *addr, void *ptr, int pool)
2109 {
2110 isa_free(ptr, pool);
2111 }
2112
2113 size_t
sb_round(void * addr,int direction,size_t size)2114 sb_round(void *addr, int direction, size_t size)
2115 {
2116 if (size > MAX_ISADMA)
2117 size = MAX_ISADMA;
2118 return size;
2119 }
2120
2121 #if NMIDI > 0
2122 /*
2123 * MIDI related routines.
2124 */
2125
2126 int
sbdsp_midi_open(void * addr,int flags,void (* iintr)(void *,int),void (* ointr)(void *),void * arg)2127 sbdsp_midi_open(void *addr, int flags, void (*iintr)(void *, int),
2128 void (*ointr)(void *), void *arg)
2129 {
2130 struct sbdsp_softc *sc = addr;
2131
2132 DPRINTF(("sbdsp_midi_open: sc=%p\n", sc));
2133
2134 if (sc->sc_open != SB_CLOSED)
2135 return EBUSY;
2136 if (sbdsp_reset(sc) != 0)
2137 return EIO;
2138
2139 if (sc->sc_model >= SB_20)
2140 if (sbdsp_wdsp(sc, SB_MIDI_UART_INTR)) /* enter UART mode */
2141 return EIO;
2142 sc->sc_open = SB_OPEN_MIDI;
2143 sc->sc_openflags = flags;
2144 sc->sc_intr8 = sbdsp_midi_intr;
2145 sc->sc_arg8 = addr;
2146 sc->sc_intrm = iintr;
2147 sc->sc_argm = arg;
2148 return 0;
2149 }
2150
2151 void
sbdsp_midi_close(void * addr)2152 sbdsp_midi_close(void *addr)
2153 {
2154 struct sbdsp_softc *sc = addr;
2155
2156 DPRINTF(("sbdsp_midi_close: sc=%p\n", sc));
2157
2158 if (sc->sc_model >= SB_20)
2159 sbdsp_reset(sc); /* exit UART mode */
2160 sc->sc_open = SB_CLOSED;
2161 sc->sc_intrm = 0;
2162 }
2163
2164 int
sbdsp_midi_output(void * addr,int d)2165 sbdsp_midi_output(void *addr, int d)
2166 {
2167 struct sbdsp_softc *sc = addr;
2168
2169 if (sc->sc_model < SB_20 && sbdsp_wdsp(sc, SB_MIDI_WRITE))
2170 return 1;
2171 (void)sbdsp_wdsp(sc, d);
2172 return 1;
2173 }
2174
2175 void
sbdsp_midi_getinfo(void * addr,struct midi_info * mi)2176 sbdsp_midi_getinfo(void *addr, struct midi_info *mi)
2177 {
2178 struct sbdsp_softc *sc = addr;
2179
2180 mi->name = sc->sc_model < SB_20 ? "SB MIDI cmd" : "SB MIDI UART";
2181 mi->props = MIDI_PROP_CAN_INPUT;
2182 }
2183
2184 int
sbdsp_midi_intr(void * addr)2185 sbdsp_midi_intr(void *addr)
2186 {
2187 struct sbdsp_softc *sc = addr;
2188
2189 sc->sc_intrm(sc->sc_argm, sbdsp_rdsp(sc));
2190 return (0);
2191 }
2192
2193 #endif
2194