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: src/sys/dev/sound/isa/ess.c,v 1.31.2.3 2005/01/30 01:00:03 imp Exp $");
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 = {5000, 49000, 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 = {5000, 49000, 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 chn_intr(sc->pch.channel);
366 if (sc->pch.stopping) {
367 sc->pch.run = 0;
368 sndbuf_dma(sc->pch.buffer, PCMTRIG_STOP);
369 sc->pch.stopping = 0;
370 if (sc->pch.hwch == 1)
371 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
372 else
373 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03);
374 }
375 }
376
377 if (rirq) {
378 if (sc->rch.run)
379 chn_intr(sc->rch.channel);
380 if (sc->rch.stopping) {
381 sc->rch.run = 0;
382 sndbuf_dma(sc->rch.buffer, PCMTRIG_STOP);
383 sc->rch.stopping = 0;
384 /* XXX: will this stop audio2? */
385 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
386 }
387 }
388
389 if (src & 2)
390 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80);
391 if (src & 1)
392 ess_rd(sc, DSP_DATA_AVAIL);
393 ess_unlock(sc);
394 }
395
396 /* utility functions for ESS */
397 static u_int8_t
398 ess_calcspeed8(int *spd)
399 {
400 int speed = *spd;
401 u_int32_t t;
402
403 if (speed > 22000) {
404 t = (795500 + speed / 2) / speed;
405 speed = (795500 + t / 2) / t;
406 t = (256 - t) | 0x80;
407 } else {
408 t = (397700 + speed / 2) / speed;
409 speed = (397700 + t / 2) / t;
410 t = 128 - t;
411 }
412 *spd = speed;
413 return t & 0x000000ff;
414 }
415
416 static u_int8_t
417 ess_calcspeed9(int *spd)
418 {
419 int speed, s0, s1, use0;
420 u_int8_t t0, t1;
421
422 /* rate = source / (256 - divisor) */
423 /* divisor = 256 - (source / rate) */
424 speed = *spd;
425 t0 = 128 - (793800 / speed);
426 s0 = 793800 / (128 - t0);
427
428 t1 = 128 - (768000 / speed);
429 s1 = 768000 / (128 - t1);
430 t1 |= 0x80;
431
432 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0;
433
434 *spd = use0? s0 : s1;
435 return use0? t0 : t1;
436 }
437
438 static u_int8_t
439 ess_calcfilter(int spd)
440 {
441 int cutoff;
442
443 /* cutoff = 7160000 / (256 - divisor) */
444 /* divisor = 256 - (7160000 / cutoff) */
445 cutoff = (spd * 9 * 82) / 20;
446 return (256 - (7160000 / cutoff));
447 }
448
449 static int
450 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len)
451 {
452 int play = (dir == PCMDIR_PLAY)? 1 : 0;
453 int b16 = (fmt & AFMT_16BIT)? 1 : 0;
454 int stereo = (fmt & AFMT_STEREO)? 1 : 0;
455 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0;
456 u_int8_t spdval, fmtval;
457
458
459 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd);
460 len = -len;
461
462 if (ch == 1) {
463 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad"));
464 /* transfer length low */
465 ess_write(sc, 0xa4, len & 0x00ff);
466 /* transfer length high */
467 ess_write(sc, 0xa5, (len & 0xff00) >> 8);
468 /* autoinit, dma dir */
469 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a));
470 /* mono/stereo */
471 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02));
472 /* demand mode, 4 bytes/xfer */
473 ess_write(sc, 0xb9, 0x02);
474 /* sample rate */
475 ess_write(sc, 0xa1, spdval);
476 /* filter cutoff */
477 ess_write(sc, 0xa2, ess_calcfilter(spd));
478 /* setup dac/adc */
479 if (play)
480 ess_write(sc, 0xb6, unsign? 0x80 : 0x00);
481 /* mono, b16: signed, load signal */
482 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20));
483 /* setup fifo */
484 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) |
485 (b16? 0x04 : 0x00) |
486 (stereo? 0x08 : 0x40));
487 /* irq control */
488 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50);
489 /* drq control */
490 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50);
491 } else if (ch == 2) {
492 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad"));
493 /* transfer length low */
494 ess_setmixer(sc, 0x74, len & 0x00ff);
495 /* transfer length high */
496 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8);
497 /* autoinit, 4 bytes/req */
498 ess_setmixer(sc, 0x78, 0x90);
499 fmtval = b16 | (stereo << 1) | (unsign << 2);
500 /* enable irq, set format */
501 ess_setmixer(sc, 0x7a, 0x40 | fmtval);
502 if (sc->newspeed) {
503 /* sample rate */
504 ess_setmixer(sc, 0x70, spdval);
505 /* filter cutoff */
506 ess_setmixer(sc, 0x72, ess_calcfilter(spd));
507 }
508 }
509
510 return 0;
511 }
512 static int
513 ess_start(struct ess_chinfo *ch)
514 {
515 struct ess_info *sc = ch->parent;
516 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
517
518 ess_lock(sc);
519 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz);
520 ch->stopping = 0;
521 if (ch->hwch == 1)
522 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01);
523 else
524 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03);
525 if (play)
526 ess_cmd(sc, DSP_CMD_SPKON);
527 ess_unlock(sc);
528 return 0;
529 }
530
531 static int
532 ess_stop(struct ess_chinfo *ch)
533 {
534 struct ess_info *sc = ch->parent;
535 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
536
537 ess_lock(sc);
538 ch->stopping = 1;
539 if (ch->hwch == 1)
540 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04);
541 else
542 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10);
543 if (play)
544 ess_cmd(sc, DSP_CMD_SPKOFF);
545 ess_unlock(sc);
546 return 0;
547 }
548
549 /* -------------------------------------------------------------------- */
550 /* channel interface for ESS18xx */
551 static void *
552 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
553 {
554 struct ess_info *sc = devinfo;
555 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
556
557 ch->parent = sc;
558 ch->channel = c;
559 ch->buffer = b;
560 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsize) != 0)
561 return NULL;
562 ch->dir = dir;
563 ch->hwch = 1;
564 if ((dir == PCMDIR_PLAY) && (sc->duplex))
565 ch->hwch = 2;
566 sndbuf_dmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2);
567 return ch;
568 }
569
570 static int
571 esschan_setformat(kobj_t obj, void *data, u_int32_t format)
572 {
573 struct ess_chinfo *ch = data;
574
575 ch->fmt = format;
576 return 0;
577 }
578
579 static int
580 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
581 {
582 struct ess_chinfo *ch = data;
583 struct ess_info *sc = ch->parent;
584
585 ch->spd = speed;
586 if (sc->newspeed)
587 ess_calcspeed9(&ch->spd);
588 else
589 ess_calcspeed8(&ch->spd);
590 return ch->spd;
591 }
592
593 static int
594 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
595 {
596 struct ess_chinfo *ch = data;
597
598 ch->blksz = blocksize;
599 return ch->blksz;
600 }
601
602 static int
603 esschan_trigger(kobj_t obj, void *data, int go)
604 {
605 struct ess_chinfo *ch = data;
606
607 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
608 return 0;
609
610 switch (go) {
611 case PCMTRIG_START:
612 ch->run = 1;
613 sndbuf_dma(ch->buffer, go);
614 ess_start(ch);
615 break;
616
617 case PCMTRIG_STOP:
618 case PCMTRIG_ABORT:
619 default:
620 ess_stop(ch);
621 break;
622 }
623 return 0;
624 }
625
626 static int
627 esschan_getptr(kobj_t obj, void *data)
628 {
629 struct ess_chinfo *ch = data;
630
631 return sndbuf_dmaptr(ch->buffer);
632 }
633
634 static struct pcmchan_caps *
635 esschan_getcaps(kobj_t obj, void *data)
636 {
637 struct ess_chinfo *ch = data;
638
639 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps;
640 }
641
642 static kobj_method_t esschan_methods[] = {
643 KOBJMETHOD(channel_init, esschan_init),
644 KOBJMETHOD(channel_setformat, esschan_setformat),
645 KOBJMETHOD(channel_setspeed, esschan_setspeed),
646 KOBJMETHOD(channel_setblocksize, esschan_setblocksize),
647 KOBJMETHOD(channel_trigger, esschan_trigger),
648 KOBJMETHOD(channel_getptr, esschan_getptr),
649 KOBJMETHOD(channel_getcaps, esschan_getcaps),
650 { 0, 0 }
651 };
652 CHANNEL_DECLARE(esschan);
653
654 /************************************************************/
655
656 static int
657 essmix_init(struct snd_mixer *m)
658 {
659 struct ess_info *sc = mix_getdevinfo(m);
660
661 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE |
662 SOUND_MASK_IMIX);
663
664 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
665 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME |
666 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER);
667
668 ess_setmixer(sc, 0, 0); /* reset */
669
670 return 0;
671 }
672
673 static int
674 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
675 {
676 struct ess_info *sc = mix_getdevinfo(m);
677 int preg = 0, rreg = 0, l, r;
678
679 l = (left * 15) / 100;
680 r = (right * 15) / 100;
681 switch (dev) {
682 case SOUND_MIXER_SYNTH:
683 preg = 0x36;
684 rreg = 0x6b;
685 break;
686
687 case SOUND_MIXER_PCM:
688 preg = 0x14;
689 rreg = 0x7c;
690 break;
691
692 case SOUND_MIXER_LINE:
693 preg = 0x3e;
694 rreg = 0x6e;
695 break;
696
697 case SOUND_MIXER_MIC:
698 preg = 0x1a;
699 rreg = 0x68;
700 break;
701
702 case SOUND_MIXER_LINE1:
703 preg = 0x3a;
704 rreg = 0x6c;
705 break;
706
707 case SOUND_MIXER_CD:
708 preg = 0x38;
709 rreg = 0x6a;
710 break;
711
712 case SOUND_MIXER_SPEAKER:
713 preg = 0x3c;
714 break;
715
716 case SOUND_MIXER_VOLUME:
717 l = left? (left * 63) / 100 : 64;
718 r = right? (right * 63) / 100 : 64;
719 ess_setmixer(sc, 0x60, l);
720 ess_setmixer(sc, 0x62, r);
721 left = (l == 64)? 0 : (l * 100) / 63;
722 right = (r == 64)? 0 : (r * 100) / 63;
723 return left | (right << 8);
724 }
725
726 if (preg)
727 ess_setmixer(sc, preg, (l << 4) | r);
728 if (rreg)
729 ess_setmixer(sc, rreg, (l << 4) | r);
730
731 left = (l * 100) / 15;
732 right = (r * 100) / 15;
733
734 return left | (right << 8);
735 }
736
737 static int
738 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
739 {
740 struct ess_info *sc = mix_getdevinfo(m);
741 u_char recdev;
742
743 switch (src) {
744 case SOUND_MASK_CD:
745 recdev = 0x02;
746 break;
747
748 case SOUND_MASK_LINE:
749 recdev = 0x06;
750 break;
751
752 case SOUND_MASK_IMIX:
753 recdev = 0x05;
754 break;
755
756 case SOUND_MASK_MIC:
757 default:
758 recdev = 0x00;
759 src = SOUND_MASK_MIC;
760 break;
761 }
762
763 ess_setmixer(sc, 0x1c, recdev);
764
765 return src;
766 }
767
768 static kobj_method_t essmixer_methods[] = {
769 KOBJMETHOD(mixer_init, essmix_init),
770 KOBJMETHOD(mixer_set, essmix_set),
771 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc),
772 { 0, 0 }
773 };
774 MIXER_DECLARE(essmixer);
775
776 /************************************************************/
777
778 static int
779 ess_probe(device_t dev)
780 {
781 uintptr_t func, ver, r, f;
782
783 /* The parent device has already been probed. */
784 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
785 if (func != SCF_PCM)
786 return (ENXIO);
787
788 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
789 f = (ver & 0xffff0000) >> 16;
790 if (!(f & BD_F_ESS))
791 return (ENXIO);
792
793 device_set_desc(dev, "ESS 18xx DSP");
794
795 return 0;
796 }
797
798 static int
799 ess_attach(device_t dev)
800 {
801 struct ess_info *sc;
802 char status[SND_STATUSLEN], buf[64];
803 int ver;
804
805 sc = (struct ess_info *)malloc(sizeof *sc, M_DEVBUF, M_NOWAIT | M_ZERO);
806 if (!sc)
807 return ENXIO;
808
809 sc->parent_dev = device_get_parent(dev);
810 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536);
811 if (ess_alloc_resources(sc, dev))
812 goto no;
813 if (ess_reset_dsp(sc))
814 goto no;
815 if (mixer_init(dev, &essmixer_class, sc))
816 goto no;
817
818 sc->duplex = 0;
819 sc->newspeed = 0;
820 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA);
821 snprintf(buf, sizeof buf, "ESS %x DSP", ver);
822 device_set_desc_copy(dev, buf);
823 if (bootverbose)
824 device_printf(dev, "ESS%x detected", ver);
825
826 switch (ver) {
827 case 0x1869:
828 case 0x1879:
829 #ifdef ESS18XX_DUPLEX
830 sc->duplex = sc->drq2? 1 : 0;
831 #endif
832 #ifdef ESS18XX_NEWSPEED
833 sc->newspeed = 1;
834 #endif
835 break;
836 }
837 if (bootverbose)
838 printf("%s%s\n", sc->duplex? ", duplex" : "",
839 sc->newspeed? ", newspeed" : "");
840
841 if (sc->newspeed)
842 ess_setmixer(sc, 0x71, 0x22);
843
844 snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih);
845 if (!sc->duplex)
846 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
847
848 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
849 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
850 /*highaddr*/BUS_SPACE_MAXADDR,
851 /*filter*/NULL, /*filterarg*/NULL,
852 /*maxsize*/sc->bufsize, /*nsegments*/1,
853 /*maxsegz*/0x3ffff,
854 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
855 /*lockarg*/&Giant, &sc->parent_dmat) != 0) {
856 device_printf(dev, "unable to create dma tag\n");
857 goto no;
858 }
859
860 if (sc->drq2)
861 snprintf(buf, SND_STATUSLEN, ":%ld", rman_get_start(sc->drq2));
862 else
863 buf[0] = '\0';
864
865 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s",
866 rman_get_start(sc->io_base), rman_get_start(sc->irq),
867 rman_get_start(sc->drq1), buf, sc->bufsize,
868 PCM_KLDSTRING(snd_ess));
869
870 if (pcm_register(dev, sc, 1, 1))
871 goto no;
872 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc);
873 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc);
874 pcm_setstatus(dev, status);
875
876 return 0;
877
878 no:
879 ess_release_resources(sc, dev);
880 return ENXIO;
881 }
882
883 static int
884 ess_detach(device_t dev)
885 {
886 int r;
887 struct ess_info *sc;
888
889 r = pcm_unregister(dev);
890 if (r)
891 return r;
892
893 sc = pcm_getdevinfo(dev);
894 ess_release_resources(sc, dev);
895 return 0;
896 }
897
898 static int
899 ess_resume(device_t dev)
900 {
901 struct ess_info *sc;
902
903 sc = pcm_getdevinfo(dev);
904
905 if (ess_reset_dsp(sc)) {
906 device_printf(dev, "unable to reset DSP at resume\n");
907 return ENXIO;
908 }
909
910 if (mixer_reinit(dev)) {
911 device_printf(dev, "unable to reinitialize mixer at resume\n");
912 return ENXIO;
913 }
914
915 return 0;
916 }
917
918 static device_method_t ess_methods[] = {
919 /* Device interface */
920 DEVMETHOD(device_probe, ess_probe),
921 DEVMETHOD(device_attach, ess_attach),
922 DEVMETHOD(device_detach, ess_detach),
923 DEVMETHOD(device_resume, ess_resume),
924
925 { 0, 0 }
926 };
927
928 static driver_t ess_driver = {
929 "pcm",
930 ess_methods,
931 PCM_SOFTC_SIZE,
932 };
933
934 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0);
935 MODULE_DEPEND(snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
936 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1);
937 MODULE_VERSION(snd_ess, 1);
938
939 /************************************************************/
940
941 static devclass_t esscontrol_devclass;
942
943 static struct isa_pnp_id essc_ids[] = {
944 {0x06007316, "ESS Control"},
945 {0}
946 };
947
948 static int
949 esscontrol_probe(device_t dev)
950 {
951 int i;
952
953 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids);
954 if (i == 0)
955 device_quiet(dev);
956 return i;
957 }
958
959 static int
960 esscontrol_attach(device_t dev)
961 {
962 #ifdef notyet
963 struct resource *io;
964 int rid, i, x;
965
966 rid = 0;
967 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
968 x = 0;
969 for (i = 0; i < 0x100; i++) {
970 port_wr(io, 0, i);
971 x = port_rd(io, 1);
972 if ((i & 0x0f) == 0)
973 printf("%3.3x: ", i);
974 printf("%2.2x ", x);
975 if ((i & 0x0f) == 0x0f)
976 printf("\n");
977 }
978 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
979 io = NULL;
980 #endif
981
982 return 0;
983 }
984
985 static int
986 esscontrol_detach(device_t dev)
987 {
988 return 0;
989 }
990
991 static device_method_t esscontrol_methods[] = {
992 /* Device interface */
993 DEVMETHOD(device_probe, esscontrol_probe),
994 DEVMETHOD(device_attach, esscontrol_attach),
995 DEVMETHOD(device_detach, esscontrol_detach),
996
997 { 0, 0 }
998 };
999
1000 static driver_t esscontrol_driver = {
1001 "esscontrol",
1002 esscontrol_methods,
1003 1,
1004 };
1005
1006 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0);
1007 DRIVER_MODULE(esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0);
Cache object: 5b11869a58c04890a23b6a382abb35f6
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