FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/ess.c
1 /*-
2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
3 * Copyright 1997,1998 Luigi Rizzo.
4 *
5 * Derived from files in the Voxware 3.5 distribution,
6 * Copyright by Hannu Savolainen 1994, under the same copyright
7 * conditions.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <dev/sound/pcm/sound.h>
33
34 #include <dev/sound/isa/sb.h>
35 #include <dev/sound/chip.h>
36
37 #include <isa/isavar.h>
38
39 #include "mixer_if.h"
40
41 SND_DECLARE_FILE("$FreeBSD: releng/6.4/sys/dev/sound/isa/ess.c 154545 2006-01-19 01:17:00Z ariff $");
42
43 #define ESS_BUFFSIZE (4096)
44 #define ABS(x) (((x) < 0)? -(x) : (x))
45
46 /* audio2 never generates irqs and sounds very noisy */
47 #undef ESS18XX_DUPLEX
48
49 /* more accurate clocks and split audio1/audio2 rates */
50 #define ESS18XX_NEWSPEED
51
52 static u_int32_t ess_pfmt[] = {
53 AFMT_U8,
54 AFMT_STEREO | AFMT_U8,
55 AFMT_S8,
56 AFMT_STEREO | AFMT_S8,
57 AFMT_S16_LE,
58 AFMT_STEREO | AFMT_S16_LE,
59 AFMT_U16_LE,
60 AFMT_STEREO | AFMT_U16_LE,
61 0
62 };
63
64 static struct pcmchan_caps ess_playcaps = {6000, 48000, ess_pfmt, 0};
65
66 static u_int32_t ess_rfmt[] = {
67 AFMT_U8,
68 AFMT_STEREO | AFMT_U8,
69 AFMT_S8,
70 AFMT_STEREO | AFMT_S8,
71 AFMT_S16_LE,
72 AFMT_STEREO | AFMT_S16_LE,
73 AFMT_U16_LE,
74 AFMT_STEREO | AFMT_U16_LE,
75 0
76 };
77
78 static struct pcmchan_caps ess_reccaps = {6000, 48000, ess_rfmt, 0};
79
80 struct ess_info;
81
82 struct ess_chinfo {
83 struct ess_info *parent;
84 struct pcm_channel *channel;
85 struct snd_dbuf *buffer;
86 int dir, hwch, stopping, run;
87 u_int32_t fmt, spd, blksz;
88 };
89
90 struct ess_info {
91 device_t parent_dev;
92 struct resource *io_base; /* I/O address for the board */
93 struct resource *irq;
94 struct resource *drq1;
95 struct resource *drq2;
96 void *ih;
97 bus_dma_tag_t parent_dmat;
98
99 unsigned int bufsize;
100 int type, duplex:1, newspeed:1;
101 u_long bd_flags; /* board-specific flags */
102 struct ess_chinfo pch, rch;
103 };
104
105 #if 0
106 static int ess_rd(struct ess_info *sc, int reg);
107 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val);
108 static int ess_dspready(struct ess_info *sc);
109 static int ess_cmd(struct ess_info *sc, u_char val);
110 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val);
111 static int ess_get_byte(struct ess_info *sc);
112 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value);
113 static int ess_getmixer(struct ess_info *sc, u_int port);
114 static int ess_reset_dsp(struct ess_info *sc);
115
116 static int ess_write(struct ess_info *sc, u_char reg, int val);
117 static int ess_read(struct ess_info *sc, u_char reg);
118
119 static void ess_intr(void *arg);
120 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len);
121 static int ess_start(struct ess_chinfo *ch);
122 static int ess_stop(struct ess_chinfo *ch);
123 #endif
124
125 /*
126 * Common code for the midi and pcm functions
127 *
128 * ess_cmd write a single byte to the CMD port.
129 * ess_cmd1 write a CMD + 1 byte arg
130 * ess_cmd2 write a CMD + 2 byte arg
131 * ess_get_byte returns a single byte from the DSP data port
132 *
133 * ess_write is actually ess_cmd1
134 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte
135 */
136
137 static void
138 ess_lock(struct ess_info *sc) {
139
140 sbc_lock(device_get_softc(sc->parent_dev));
141 }
142
143 static void
144 ess_unlock(struct ess_info *sc) {
145
146 sbc_unlock(device_get_softc(sc->parent_dev));
147 }
148
149 static int
150 port_rd(struct resource *port, int off)
151 {
152 return bus_space_read_1(rman_get_bustag(port),
153 rman_get_bushandle(port),
154 off);
155 }
156
157 static void
158 port_wr(struct resource *port, int off, u_int8_t data)
159 {
160 bus_space_write_1(rman_get_bustag(port),
161 rman_get_bushandle(port),
162 off, data);
163 }
164
165 static int
166 ess_rd(struct ess_info *sc, int reg)
167 {
168 return port_rd(sc->io_base, reg);
169 }
170
171 static void
172 ess_wr(struct ess_info *sc, int reg, u_int8_t val)
173 {
174 port_wr(sc->io_base, reg, val);
175 }
176
177 static int
178 ess_dspready(struct ess_info *sc)
179 {
180 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0);
181 }
182
183 static int
184 ess_dspwr(struct ess_info *sc, u_char val)
185 {
186 int i;
187
188 for (i = 0; i < 1000; i++) {
189 if (ess_dspready(sc)) {
190 ess_wr(sc, SBDSP_CMD, val);
191 return 1;
192 }
193 if (i > 10) DELAY((i > 100)? 1000 : 10);
194 }
195 printf("ess_dspwr(0x%02x) timed out.\n", val);
196 return 0;
197 }
198
199 static int
200 ess_cmd(struct ess_info *sc, u_char val)
201 {
202 #if 0
203 printf("ess_cmd: %x\n", val);
204 #endif
205 return ess_dspwr(sc, val);
206 }
207
208 static int
209 ess_cmd1(struct ess_info *sc, u_char cmd, int val)
210 {
211 #if 0
212 printf("ess_cmd1: %x, %x\n", cmd, val);
213 #endif
214 if (ess_dspwr(sc, cmd)) {
215 return ess_dspwr(sc, val & 0xff);
216 } else return 0;
217 }
218
219 static void
220 ess_setmixer(struct ess_info *sc, u_int port, u_int value)
221 {
222 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);)
223 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
224 DELAY(10);
225 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff));
226 DELAY(10);
227 }
228
229 static int
230 ess_getmixer(struct ess_info *sc, u_int port)
231 {
232 int val;
233 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
234 DELAY(10);
235 val = ess_rd(sc, SB_MIX_DATA);
236 DELAY(10);
237
238 return val;
239 }
240
241 static int
242 ess_get_byte(struct ess_info *sc)
243 {
244 int i;
245
246 for (i = 1000; i > 0; i--) {
247 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80)
248 return ess_rd(sc, DSP_READ);
249 else
250 DELAY(20);
251 }
252 return -1;
253 }
254
255 static int
256 ess_write(struct ess_info *sc, u_char reg, int val)
257 {
258 return ess_cmd1(sc, reg, val);
259 }
260
261 static int
262 ess_read(struct ess_info *sc, u_char reg)
263 {
264 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1;
265 }
266
267 static int
268 ess_reset_dsp(struct ess_info *sc)
269 {
270 ess_wr(sc, SBDSP_RST, 3);
271 DELAY(100);
272 ess_wr(sc, SBDSP_RST, 0);
273 if (ess_get_byte(sc) != 0xAA) {
274 DEB(printf("ess_reset_dsp 0x%lx failed\n",
275 rman_get_start(sc->io_base)));
276 return ENXIO; /* Sorry */
277 }
278 ess_cmd(sc, 0xc6);
279 return 0;
280 }
281
282 static void
283 ess_release_resources(struct ess_info *sc, device_t dev)
284 {
285 if (sc->irq) {
286 if (sc->ih)
287 bus_teardown_intr(dev, sc->irq, sc->ih);
288 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
289 sc->irq = 0;
290 }
291 if (sc->drq1) {
292 isa_dma_release(rman_get_start(sc->drq1));
293 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1);
294 sc->drq1 = 0;
295 }
296 if (sc->drq2) {
297 isa_dma_release(rman_get_start(sc->drq2));
298 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2);
299 sc->drq2 = 0;
300 }
301 if (sc->io_base) {
302 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base);
303 sc->io_base = 0;
304 }
305 if (sc->parent_dmat) {
306 bus_dma_tag_destroy(sc->parent_dmat);
307 sc->parent_dmat = 0;
308 }
309 free(sc, M_DEVBUF);
310 }
311
312 static int
313 ess_alloc_resources(struct ess_info *sc, device_t dev)
314 {
315 int rid;
316
317 rid = 0;
318 if (!sc->io_base)
319 sc->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
320 &rid, RF_ACTIVE);
321 rid = 0;
322 if (!sc->irq)
323 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
324 &rid, RF_ACTIVE);
325 rid = 0;
326 if (!sc->drq1)
327 sc->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
328 &rid, RF_ACTIVE);
329 rid = 1;
330 if (!sc->drq2)
331 sc->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
332 &rid, RF_ACTIVE);
333
334 if (sc->io_base && sc->drq1 && sc->irq) {
335 isa_dma_acquire(rman_get_start(sc->drq1));
336 isa_dmainit(rman_get_start(sc->drq1), sc->bufsize);
337
338 if (sc->drq2) {
339 isa_dma_acquire(rman_get_start(sc->drq2));
340 isa_dmainit(rman_get_start(sc->drq2), sc->bufsize);
341 }
342
343 return 0;
344 } else return ENXIO;
345 }
346
347 static void
348 ess_intr(void *arg)
349 {
350 struct ess_info *sc = (struct ess_info *)arg;
351 int src, pirq, rirq;
352
353 ess_lock(sc);
354 src = 0;
355 if (ess_getmixer(sc, 0x7a) & 0x80)
356 src |= 2;
357 if (ess_rd(sc, 0x0c) & 0x01)
358 src |= 1;
359
360 pirq = (src & sc->pch.hwch)? 1 : 0;
361 rirq = (src & sc->rch.hwch)? 1 : 0;
362
363 if (pirq) {
364 if (sc->pch.run) {
365 ess_unlock(sc);
366 chn_intr(sc->pch.channel);
367 ess_lock(sc);
368 }
369 if (sc->pch.stopping) {
370 sc->pch.run = 0;
371 sndbuf_dma(sc->pch.buffer, PCMTRIG_STOP);
372 sc->pch.stopping = 0;
373 if (sc->pch.hwch == 1)
374 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
375 else
376 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03);
377 }
378 }
379
380 if (rirq) {
381 if (sc->rch.run) {
382 ess_unlock(sc);
383 chn_intr(sc->rch.channel);
384 ess_lock(sc);
385 }
386 if (sc->rch.stopping) {
387 sc->rch.run = 0;
388 sndbuf_dma(sc->rch.buffer, PCMTRIG_STOP);
389 sc->rch.stopping = 0;
390 /* XXX: will this stop audio2? */
391 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
392 }
393 }
394
395 if (src & 2)
396 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80);
397 if (src & 1)
398 ess_rd(sc, DSP_DATA_AVAIL);
399 ess_unlock(sc);
400 }
401
402 /* utility functions for ESS */
403 static u_int8_t
404 ess_calcspeed8(int *spd)
405 {
406 int speed = *spd;
407 u_int32_t t;
408
409 if (speed > 22000) {
410 t = (795500 + speed / 2) / speed;
411 speed = (795500 + t / 2) / t;
412 t = (256 - t) | 0x80;
413 } else {
414 t = (397700 + speed / 2) / speed;
415 speed = (397700 + t / 2) / t;
416 t = 128 - t;
417 }
418 *spd = speed;
419 return t & 0x000000ff;
420 }
421
422 static u_int8_t
423 ess_calcspeed9(int *spd)
424 {
425 int speed, s0, s1, use0;
426 u_int8_t t0, t1;
427
428 /* rate = source / (256 - divisor) */
429 /* divisor = 256 - (source / rate) */
430 speed = *spd;
431 t0 = 128 - (793800 / speed);
432 s0 = 793800 / (128 - t0);
433
434 t1 = 128 - (768000 / speed);
435 s1 = 768000 / (128 - t1);
436 t1 |= 0x80;
437
438 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0;
439
440 *spd = use0? s0 : s1;
441 return use0? t0 : t1;
442 }
443
444 static u_int8_t
445 ess_calcfilter(int spd)
446 {
447 int cutoff;
448
449 /* cutoff = 7160000 / (256 - divisor) */
450 /* divisor = 256 - (7160000 / cutoff) */
451 cutoff = (spd * 9 * 82) / 20;
452 return (256 - (7160000 / cutoff));
453 }
454
455 static int
456 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len)
457 {
458 int play = (dir == PCMDIR_PLAY)? 1 : 0;
459 int b16 = (fmt & AFMT_16BIT)? 1 : 0;
460 int stereo = (fmt & AFMT_STEREO)? 1 : 0;
461 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0;
462 u_int8_t spdval, fmtval;
463
464
465 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd);
466 len = -len;
467
468 if (ch == 1) {
469 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad"));
470 /* transfer length low */
471 ess_write(sc, 0xa4, len & 0x00ff);
472 /* transfer length high */
473 ess_write(sc, 0xa5, (len & 0xff00) >> 8);
474 /* autoinit, dma dir */
475 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a));
476 /* mono/stereo */
477 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02));
478 /* demand mode, 4 bytes/xfer */
479 ess_write(sc, 0xb9, 0x02);
480 /* sample rate */
481 ess_write(sc, 0xa1, spdval);
482 /* filter cutoff */
483 ess_write(sc, 0xa2, ess_calcfilter(spd));
484 /* setup dac/adc */
485 if (play)
486 ess_write(sc, 0xb6, unsign? 0x80 : 0x00);
487 /* mono, b16: signed, load signal */
488 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20));
489 /* setup fifo */
490 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) |
491 (b16? 0x04 : 0x00) |
492 (stereo? 0x08 : 0x40));
493 /* irq control */
494 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50);
495 /* drq control */
496 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50);
497 } else if (ch == 2) {
498 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad"));
499 /* transfer length low */
500 ess_setmixer(sc, 0x74, len & 0x00ff);
501 /* transfer length high */
502 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8);
503 /* autoinit, 4 bytes/req */
504 ess_setmixer(sc, 0x78, 0x90);
505 fmtval = b16 | (stereo << 1) | (unsign << 2);
506 /* enable irq, set format */
507 ess_setmixer(sc, 0x7a, 0x40 | fmtval);
508 if (sc->newspeed) {
509 /* sample rate */
510 ess_setmixer(sc, 0x70, spdval);
511 /* filter cutoff */
512 ess_setmixer(sc, 0x72, ess_calcfilter(spd));
513 }
514 }
515
516 return 0;
517 }
518 static int
519 ess_start(struct ess_chinfo *ch)
520 {
521 struct ess_info *sc = ch->parent;
522 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
523
524 ess_lock(sc);
525 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz);
526 ch->stopping = 0;
527 if (ch->hwch == 1)
528 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01);
529 else
530 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03);
531 if (play)
532 ess_cmd(sc, DSP_CMD_SPKON);
533 ess_unlock(sc);
534 return 0;
535 }
536
537 static int
538 ess_stop(struct ess_chinfo *ch)
539 {
540 struct ess_info *sc = ch->parent;
541 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
542
543 ess_lock(sc);
544 ch->stopping = 1;
545 if (ch->hwch == 1)
546 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04);
547 else
548 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10);
549 if (play)
550 ess_cmd(sc, DSP_CMD_SPKOFF);
551 ess_unlock(sc);
552 return 0;
553 }
554
555 /* -------------------------------------------------------------------- */
556 /* channel interface for ESS18xx */
557 static void *
558 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
559 {
560 struct ess_info *sc = devinfo;
561 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
562
563 ch->parent = sc;
564 ch->channel = c;
565 ch->buffer = b;
566 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsize) != 0)
567 return NULL;
568 ch->dir = dir;
569 ch->hwch = 1;
570 if ((dir == PCMDIR_PLAY) && (sc->duplex))
571 ch->hwch = 2;
572 sndbuf_dmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2);
573 return ch;
574 }
575
576 static int
577 esschan_setformat(kobj_t obj, void *data, u_int32_t format)
578 {
579 struct ess_chinfo *ch = data;
580
581 ch->fmt = format;
582 return 0;
583 }
584
585 static int
586 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
587 {
588 struct ess_chinfo *ch = data;
589 struct ess_info *sc = ch->parent;
590
591 ch->spd = speed;
592 if (sc->newspeed)
593 ess_calcspeed9(&ch->spd);
594 else
595 ess_calcspeed8(&ch->spd);
596 return ch->spd;
597 }
598
599 static int
600 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
601 {
602 struct ess_chinfo *ch = data;
603
604 ch->blksz = blocksize;
605 return ch->blksz;
606 }
607
608 static int
609 esschan_trigger(kobj_t obj, void *data, int go)
610 {
611 struct ess_chinfo *ch = data;
612
613 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
614 return 0;
615
616 switch (go) {
617 case PCMTRIG_START:
618 ch->run = 1;
619 sndbuf_dma(ch->buffer, go);
620 ess_start(ch);
621 break;
622
623 case PCMTRIG_STOP:
624 case PCMTRIG_ABORT:
625 default:
626 ess_stop(ch);
627 break;
628 }
629 return 0;
630 }
631
632 static int
633 esschan_getptr(kobj_t obj, void *data)
634 {
635 struct ess_chinfo *ch = data;
636
637 return sndbuf_dmaptr(ch->buffer);
638 }
639
640 static struct pcmchan_caps *
641 esschan_getcaps(kobj_t obj, void *data)
642 {
643 struct ess_chinfo *ch = data;
644
645 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps;
646 }
647
648 static kobj_method_t esschan_methods[] = {
649 KOBJMETHOD(channel_init, esschan_init),
650 KOBJMETHOD(channel_setformat, esschan_setformat),
651 KOBJMETHOD(channel_setspeed, esschan_setspeed),
652 KOBJMETHOD(channel_setblocksize, esschan_setblocksize),
653 KOBJMETHOD(channel_trigger, esschan_trigger),
654 KOBJMETHOD(channel_getptr, esschan_getptr),
655 KOBJMETHOD(channel_getcaps, esschan_getcaps),
656 { 0, 0 }
657 };
658 CHANNEL_DECLARE(esschan);
659
660 /************************************************************/
661
662 static int
663 essmix_init(struct snd_mixer *m)
664 {
665 struct ess_info *sc = mix_getdevinfo(m);
666
667 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE |
668 SOUND_MASK_IMIX);
669
670 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
671 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME |
672 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER);
673
674 ess_setmixer(sc, 0, 0); /* reset */
675
676 return 0;
677 }
678
679 static int
680 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
681 {
682 struct ess_info *sc = mix_getdevinfo(m);
683 int preg = 0, rreg = 0, l, r;
684
685 l = (left * 15) / 100;
686 r = (right * 15) / 100;
687 switch (dev) {
688 case SOUND_MIXER_SYNTH:
689 preg = 0x36;
690 rreg = 0x6b;
691 break;
692
693 case SOUND_MIXER_PCM:
694 preg = 0x14;
695 rreg = 0x7c;
696 break;
697
698 case SOUND_MIXER_LINE:
699 preg = 0x3e;
700 rreg = 0x6e;
701 break;
702
703 case SOUND_MIXER_MIC:
704 preg = 0x1a;
705 rreg = 0x68;
706 break;
707
708 case SOUND_MIXER_LINE1:
709 preg = 0x3a;
710 rreg = 0x6c;
711 break;
712
713 case SOUND_MIXER_CD:
714 preg = 0x38;
715 rreg = 0x6a;
716 break;
717
718 case SOUND_MIXER_SPEAKER:
719 preg = 0x3c;
720 break;
721
722 case SOUND_MIXER_VOLUME:
723 l = left? (left * 63) / 100 : 64;
724 r = right? (right * 63) / 100 : 64;
725 ess_setmixer(sc, 0x60, l);
726 ess_setmixer(sc, 0x62, r);
727 left = (l == 64)? 0 : (l * 100) / 63;
728 right = (r == 64)? 0 : (r * 100) / 63;
729 return left | (right << 8);
730 }
731
732 if (preg)
733 ess_setmixer(sc, preg, (l << 4) | r);
734 if (rreg)
735 ess_setmixer(sc, rreg, (l << 4) | r);
736
737 left = (l * 100) / 15;
738 right = (r * 100) / 15;
739
740 return left | (right << 8);
741 }
742
743 static int
744 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
745 {
746 struct ess_info *sc = mix_getdevinfo(m);
747 u_char recdev;
748
749 switch (src) {
750 case SOUND_MASK_CD:
751 recdev = 0x02;
752 break;
753
754 case SOUND_MASK_LINE:
755 recdev = 0x06;
756 break;
757
758 case SOUND_MASK_IMIX:
759 recdev = 0x05;
760 break;
761
762 case SOUND_MASK_MIC:
763 default:
764 recdev = 0x00;
765 src = SOUND_MASK_MIC;
766 break;
767 }
768
769 ess_setmixer(sc, 0x1c, recdev);
770
771 return src;
772 }
773
774 static kobj_method_t essmixer_methods[] = {
775 KOBJMETHOD(mixer_init, essmix_init),
776 KOBJMETHOD(mixer_set, essmix_set),
777 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc),
778 { 0, 0 }
779 };
780 MIXER_DECLARE(essmixer);
781
782 /************************************************************/
783
784 static int
785 ess_probe(device_t dev)
786 {
787 uintptr_t func, ver, r, f;
788
789 /* The parent device has already been probed. */
790 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
791 if (func != SCF_PCM)
792 return (ENXIO);
793
794 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
795 f = (ver & 0xffff0000) >> 16;
796 if (!(f & BD_F_ESS))
797 return (ENXIO);
798
799 device_set_desc(dev, "ESS 18xx DSP");
800
801 return 0;
802 }
803
804 static int
805 ess_attach(device_t dev)
806 {
807 struct ess_info *sc;
808 char status[SND_STATUSLEN], buf[64];
809 int ver;
810
811 sc = (struct ess_info *)malloc(sizeof *sc, M_DEVBUF, M_NOWAIT | M_ZERO);
812 if (!sc)
813 return ENXIO;
814
815 sc->parent_dev = device_get_parent(dev);
816 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536);
817 if (ess_alloc_resources(sc, dev))
818 goto no;
819 if (ess_reset_dsp(sc))
820 goto no;
821 if (mixer_init(dev, &essmixer_class, sc))
822 goto no;
823
824 sc->duplex = 0;
825 sc->newspeed = 0;
826 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA);
827 snprintf(buf, sizeof buf, "ESS %x DSP", ver);
828 device_set_desc_copy(dev, buf);
829 if (bootverbose)
830 device_printf(dev, "ESS%x detected", ver);
831
832 switch (ver) {
833 case 0x1869:
834 case 0x1879:
835 #ifdef ESS18XX_DUPLEX
836 sc->duplex = sc->drq2? 1 : 0;
837 #endif
838 #ifdef ESS18XX_NEWSPEED
839 sc->newspeed = 1;
840 #endif
841 break;
842 }
843 if (bootverbose)
844 printf("%s%s\n", sc->duplex? ", duplex" : "",
845 sc->newspeed? ", newspeed" : "");
846
847 if (sc->newspeed)
848 ess_setmixer(sc, 0x71, 0x22);
849
850 snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih);
851 if (!sc->duplex)
852 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
853
854 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
855 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
856 /*highaddr*/BUS_SPACE_MAXADDR,
857 /*filter*/NULL, /*filterarg*/NULL,
858 /*maxsize*/sc->bufsize, /*nsegments*/1,
859 /*maxsegz*/0x3ffff,
860 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
861 /*lockarg*/&Giant, &sc->parent_dmat) != 0) {
862 device_printf(dev, "unable to create dma tag\n");
863 goto no;
864 }
865
866 if (sc->drq2)
867 snprintf(buf, SND_STATUSLEN, ":%ld", rman_get_start(sc->drq2));
868 else
869 buf[0] = '\0';
870
871 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s",
872 rman_get_start(sc->io_base), rman_get_start(sc->irq),
873 rman_get_start(sc->drq1), buf, sc->bufsize,
874 PCM_KLDSTRING(snd_ess));
875
876 if (pcm_register(dev, sc, 1, 1))
877 goto no;
878 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc);
879 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc);
880 pcm_setstatus(dev, status);
881
882 return 0;
883
884 no:
885 ess_release_resources(sc, dev);
886 return ENXIO;
887 }
888
889 static int
890 ess_detach(device_t dev)
891 {
892 int r;
893 struct ess_info *sc;
894
895 r = pcm_unregister(dev);
896 if (r)
897 return r;
898
899 sc = pcm_getdevinfo(dev);
900 ess_release_resources(sc, dev);
901 return 0;
902 }
903
904 static int
905 ess_resume(device_t dev)
906 {
907 struct ess_info *sc;
908
909 sc = pcm_getdevinfo(dev);
910
911 if (ess_reset_dsp(sc)) {
912 device_printf(dev, "unable to reset DSP at resume\n");
913 return ENXIO;
914 }
915
916 if (mixer_reinit(dev)) {
917 device_printf(dev, "unable to reinitialize mixer at resume\n");
918 return ENXIO;
919 }
920
921 return 0;
922 }
923
924 static device_method_t ess_methods[] = {
925 /* Device interface */
926 DEVMETHOD(device_probe, ess_probe),
927 DEVMETHOD(device_attach, ess_attach),
928 DEVMETHOD(device_detach, ess_detach),
929 DEVMETHOD(device_resume, ess_resume),
930
931 { 0, 0 }
932 };
933
934 static driver_t ess_driver = {
935 "pcm",
936 ess_methods,
937 PCM_SOFTC_SIZE,
938 };
939
940 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0);
941 MODULE_DEPEND(snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
942 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1);
943 MODULE_VERSION(snd_ess, 1);
944
945 /************************************************************/
946
947 static devclass_t esscontrol_devclass;
948
949 static struct isa_pnp_id essc_ids[] = {
950 {0x06007316, "ESS Control"},
951 {0}
952 };
953
954 static int
955 esscontrol_probe(device_t dev)
956 {
957 int i;
958
959 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids);
960 if (i == 0)
961 device_quiet(dev);
962 return i;
963 }
964
965 static int
966 esscontrol_attach(device_t dev)
967 {
968 #ifdef notyet
969 struct resource *io;
970 int rid, i, x;
971
972 rid = 0;
973 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
974 x = 0;
975 for (i = 0; i < 0x100; i++) {
976 port_wr(io, 0, i);
977 x = port_rd(io, 1);
978 if ((i & 0x0f) == 0)
979 printf("%3.3x: ", i);
980 printf("%2.2x ", x);
981 if ((i & 0x0f) == 0x0f)
982 printf("\n");
983 }
984 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
985 io = NULL;
986 #endif
987
988 return 0;
989 }
990
991 static int
992 esscontrol_detach(device_t dev)
993 {
994 return 0;
995 }
996
997 static device_method_t esscontrol_methods[] = {
998 /* Device interface */
999 DEVMETHOD(device_probe, esscontrol_probe),
1000 DEVMETHOD(device_attach, esscontrol_attach),
1001 DEVMETHOD(device_detach, esscontrol_detach),
1002
1003 { 0, 0 }
1004 };
1005
1006 static driver_t esscontrol_driver = {
1007 "esscontrol",
1008 esscontrol_methods,
1009 1,
1010 };
1011
1012 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0);
1013 DRIVER_MODULE(esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0);
Cache object: 47456ef6d7ef77b83b5cfb92b244d719
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