FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/ess.c
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5 * Copyright (c) 1997,1998 Luigi Rizzo
6 *
7 * Derived from files in the Voxware 3.5 distribution,
8 * Copyright by Hannu Savolainen 1994, under the same copyright
9 * conditions.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #ifdef HAVE_KERNEL_OPTION_HEADERS
35 #include "opt_snd.h"
36 #endif
37
38 #include <dev/sound/pcm/sound.h>
39
40 #include <dev/sound/isa/sb.h>
41 #include <dev/sound/chip.h>
42
43 #include <isa/isavar.h>
44
45 #include "mixer_if.h"
46
47 SND_DECLARE_FILE("$FreeBSD$");
48
49 #define ESS_BUFFSIZE (4096)
50 #define ABS(x) (((x) < 0)? -(x) : (x))
51
52 /* audio2 never generates irqs and sounds very noisy */
53 #undef ESS18XX_DUPLEX
54
55 /* more accurate clocks and split audio1/audio2 rates */
56 #define ESS18XX_NEWSPEED
57
58 static u_int32_t ess_pfmt[] = {
59 SND_FORMAT(AFMT_U8, 1, 0),
60 SND_FORMAT(AFMT_U8, 2, 0),
61 SND_FORMAT(AFMT_S8, 1, 0),
62 SND_FORMAT(AFMT_S8, 2, 0),
63 SND_FORMAT(AFMT_S16_LE, 1, 0),
64 SND_FORMAT(AFMT_S16_LE, 2, 0),
65 SND_FORMAT(AFMT_U16_LE, 1, 0),
66 SND_FORMAT(AFMT_U16_LE, 2, 0),
67 0
68 };
69
70 static struct pcmchan_caps ess_playcaps = {6000, 48000, ess_pfmt, 0};
71
72 static u_int32_t ess_rfmt[] = {
73 SND_FORMAT(AFMT_U8, 1, 0),
74 SND_FORMAT(AFMT_U8, 2, 0),
75 SND_FORMAT(AFMT_S8, 1, 0),
76 SND_FORMAT(AFMT_S8, 2, 0),
77 SND_FORMAT(AFMT_S16_LE, 1, 0),
78 SND_FORMAT(AFMT_S16_LE, 2, 0),
79 SND_FORMAT(AFMT_U16_LE, 1, 0),
80 SND_FORMAT(AFMT_U16_LE, 2, 0),
81 0
82 };
83
84 static struct pcmchan_caps ess_reccaps = {6000, 48000, ess_rfmt, 0};
85
86 struct ess_info;
87
88 struct ess_chinfo {
89 struct ess_info *parent;
90 struct pcm_channel *channel;
91 struct snd_dbuf *buffer;
92 int dir, hwch, stopping, run;
93 u_int32_t fmt, spd, blksz;
94 };
95
96 struct ess_info {
97 device_t parent_dev;
98 struct resource *io_base; /* I/O address for the board */
99 struct resource *irq;
100 struct resource *drq1;
101 struct resource *drq2;
102 void *ih;
103 bus_dma_tag_t parent_dmat;
104
105 unsigned int bufsize;
106 int type;
107 unsigned int duplex:1, newspeed:1;
108 u_long bd_flags; /* board-specific flags */
109 struct ess_chinfo pch, rch;
110 };
111
112 #if 0
113 static int ess_rd(struct ess_info *sc, int reg);
114 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val);
115 static int ess_dspready(struct ess_info *sc);
116 static int ess_cmd(struct ess_info *sc, u_char val);
117 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val);
118 static int ess_get_byte(struct ess_info *sc);
119 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value);
120 static int ess_getmixer(struct ess_info *sc, u_int port);
121 static int ess_reset_dsp(struct ess_info *sc);
122
123 static int ess_write(struct ess_info *sc, u_char reg, int val);
124 static int ess_read(struct ess_info *sc, u_char reg);
125
126 static void ess_intr(void *arg);
127 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len);
128 static int ess_start(struct ess_chinfo *ch);
129 static int ess_stop(struct ess_chinfo *ch);
130 #endif
131
132 /*
133 * Common code for the midi and pcm functions
134 *
135 * ess_cmd write a single byte to the CMD port.
136 * ess_cmd1 write a CMD + 1 byte arg
137 * ess_cmd2 write a CMD + 2 byte arg
138 * ess_get_byte returns a single byte from the DSP data port
139 *
140 * ess_write is actually ess_cmd1
141 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte
142 */
143
144 static void
145 ess_lock(struct ess_info *sc) {
146
147 sbc_lock(device_get_softc(sc->parent_dev));
148 }
149
150 static void
151 ess_unlock(struct ess_info *sc) {
152
153 sbc_unlock(device_get_softc(sc->parent_dev));
154 }
155
156 static int
157 port_rd(struct resource *port, int off)
158 {
159 return bus_space_read_1(rman_get_bustag(port),
160 rman_get_bushandle(port),
161 off);
162 }
163
164 static void
165 port_wr(struct resource *port, int off, u_int8_t data)
166 {
167 bus_space_write_1(rman_get_bustag(port),
168 rman_get_bushandle(port),
169 off, data);
170 }
171
172 static int
173 ess_rd(struct ess_info *sc, int reg)
174 {
175 return port_rd(sc->io_base, reg);
176 }
177
178 static void
179 ess_wr(struct ess_info *sc, int reg, u_int8_t val)
180 {
181 port_wr(sc->io_base, reg, val);
182 }
183
184 static int
185 ess_dspready(struct ess_info *sc)
186 {
187 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0);
188 }
189
190 static int
191 ess_dspwr(struct ess_info *sc, u_char val)
192 {
193 int i;
194
195 for (i = 0; i < 1000; i++) {
196 if (ess_dspready(sc)) {
197 ess_wr(sc, SBDSP_CMD, val);
198 return 1;
199 }
200 if (i > 10) DELAY((i > 100)? 1000 : 10);
201 }
202 printf("ess_dspwr(0x%02x) timed out.\n", val);
203 return 0;
204 }
205
206 static int
207 ess_cmd(struct ess_info *sc, u_char val)
208 {
209 #if 0
210 printf("ess_cmd: %x\n", val);
211 #endif
212 return ess_dspwr(sc, val);
213 }
214
215 static int
216 ess_cmd1(struct ess_info *sc, u_char cmd, int val)
217 {
218 #if 0
219 printf("ess_cmd1: %x, %x\n", cmd, val);
220 #endif
221 if (ess_dspwr(sc, cmd)) {
222 return ess_dspwr(sc, val & 0xff);
223 } else return 0;
224 }
225
226 static void
227 ess_setmixer(struct ess_info *sc, u_int port, u_int value)
228 {
229 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);)
230 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
231 DELAY(10);
232 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff));
233 DELAY(10);
234 }
235
236 static int
237 ess_getmixer(struct ess_info *sc, u_int port)
238 {
239 int val;
240 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
241 DELAY(10);
242 val = ess_rd(sc, SB_MIX_DATA);
243 DELAY(10);
244
245 return val;
246 }
247
248 static int
249 ess_get_byte(struct ess_info *sc)
250 {
251 int i;
252
253 for (i = 1000; i > 0; i--) {
254 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80)
255 return ess_rd(sc, DSP_READ);
256 else
257 DELAY(20);
258 }
259 return -1;
260 }
261
262 static int
263 ess_write(struct ess_info *sc, u_char reg, int val)
264 {
265 return ess_cmd1(sc, reg, val);
266 }
267
268 static int
269 ess_read(struct ess_info *sc, u_char reg)
270 {
271 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1;
272 }
273
274 static int
275 ess_reset_dsp(struct ess_info *sc)
276 {
277 ess_wr(sc, SBDSP_RST, 3);
278 DELAY(100);
279 ess_wr(sc, SBDSP_RST, 0);
280 if (ess_get_byte(sc) != 0xAA) {
281 DEB(printf("ess_reset_dsp 0x%lx failed\n",
282 rman_get_start(sc->io_base)));
283 return ENXIO; /* Sorry */
284 }
285 ess_cmd(sc, 0xc6);
286 return 0;
287 }
288
289 static void
290 ess_release_resources(struct ess_info *sc, device_t dev)
291 {
292 if (sc->irq) {
293 if (sc->ih)
294 bus_teardown_intr(dev, sc->irq, sc->ih);
295 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
296 sc->irq = NULL;
297 }
298 if (sc->drq1) {
299 isa_dma_release(rman_get_start(sc->drq1));
300 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1);
301 sc->drq1 = NULL;
302 }
303 if (sc->drq2) {
304 isa_dma_release(rman_get_start(sc->drq2));
305 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2);
306 sc->drq2 = NULL;
307 }
308 if (sc->io_base) {
309 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base);
310 sc->io_base = NULL;
311 }
312 if (sc->parent_dmat) {
313 bus_dma_tag_destroy(sc->parent_dmat);
314 sc->parent_dmat = 0;
315 }
316 free(sc, M_DEVBUF);
317 }
318
319 static int
320 ess_alloc_resources(struct ess_info *sc, device_t dev)
321 {
322 int rid;
323
324 rid = 0;
325 if (!sc->io_base)
326 sc->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
327 &rid, RF_ACTIVE);
328 rid = 0;
329 if (!sc->irq)
330 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
331 &rid, RF_ACTIVE);
332 rid = 0;
333 if (!sc->drq1)
334 sc->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
335 &rid, RF_ACTIVE);
336 rid = 1;
337 if (!sc->drq2)
338 sc->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
339 &rid, RF_ACTIVE);
340
341 if (sc->io_base && sc->drq1 && sc->irq) {
342 isa_dma_acquire(rman_get_start(sc->drq1));
343 isa_dmainit(rman_get_start(sc->drq1), sc->bufsize);
344
345 if (sc->drq2) {
346 isa_dma_acquire(rman_get_start(sc->drq2));
347 isa_dmainit(rman_get_start(sc->drq2), sc->bufsize);
348 }
349
350 return 0;
351 } else return ENXIO;
352 }
353
354 static void
355 ess_intr(void *arg)
356 {
357 struct ess_info *sc = (struct ess_info *)arg;
358 int src, pirq, rirq;
359
360 ess_lock(sc);
361 src = 0;
362 if (ess_getmixer(sc, 0x7a) & 0x80)
363 src |= 2;
364 if (ess_rd(sc, 0x0c) & 0x01)
365 src |= 1;
366
367 pirq = (src & sc->pch.hwch)? 1 : 0;
368 rirq = (src & sc->rch.hwch)? 1 : 0;
369
370 if (pirq) {
371 if (sc->pch.run) {
372 ess_unlock(sc);
373 chn_intr(sc->pch.channel);
374 ess_lock(sc);
375 }
376 if (sc->pch.stopping) {
377 sc->pch.run = 0;
378 sndbuf_dma(sc->pch.buffer, PCMTRIG_STOP);
379 sc->pch.stopping = 0;
380 if (sc->pch.hwch == 1)
381 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
382 else
383 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03);
384 }
385 }
386
387 if (rirq) {
388 if (sc->rch.run) {
389 ess_unlock(sc);
390 chn_intr(sc->rch.channel);
391 ess_lock(sc);
392 }
393 if (sc->rch.stopping) {
394 sc->rch.run = 0;
395 sndbuf_dma(sc->rch.buffer, PCMTRIG_STOP);
396 sc->rch.stopping = 0;
397 /* XXX: will this stop audio2? */
398 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
399 }
400 }
401
402 if (src & 2)
403 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80);
404 if (src & 1)
405 ess_rd(sc, DSP_DATA_AVAIL);
406 ess_unlock(sc);
407 }
408
409 /* utility functions for ESS */
410 static u_int8_t
411 ess_calcspeed8(int *spd)
412 {
413 int speed = *spd;
414 u_int32_t t;
415
416 if (speed > 22000) {
417 t = (795500 + speed / 2) / speed;
418 speed = (795500 + t / 2) / t;
419 t = (256 - t) | 0x80;
420 } else {
421 t = (397700 + speed / 2) / speed;
422 speed = (397700 + t / 2) / t;
423 t = 128 - t;
424 }
425 *spd = speed;
426 return t & 0x000000ff;
427 }
428
429 static u_int8_t
430 ess_calcspeed9(int *spd)
431 {
432 int speed, s0, s1, use0;
433 u_int8_t t0, t1;
434
435 /* rate = source / (256 - divisor) */
436 /* divisor = 256 - (source / rate) */
437 speed = *spd;
438 t0 = 128 - (793800 / speed);
439 s0 = 793800 / (128 - t0);
440
441 t1 = 128 - (768000 / speed);
442 s1 = 768000 / (128 - t1);
443 t1 |= 0x80;
444
445 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0;
446
447 *spd = use0? s0 : s1;
448 return use0? t0 : t1;
449 }
450
451 static u_int8_t
452 ess_calcfilter(int spd)
453 {
454 int cutoff;
455
456 /* cutoff = 7160000 / (256 - divisor) */
457 /* divisor = 256 - (7160000 / cutoff) */
458 cutoff = (spd * 9 * 82) / 20;
459 return (256 - (7160000 / cutoff));
460 }
461
462 static int
463 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len)
464 {
465 int play = (dir == PCMDIR_PLAY)? 1 : 0;
466 int b16 = (fmt & AFMT_16BIT)? 1 : 0;
467 int stereo = (AFMT_CHANNEL(fmt) > 1)? 1 : 0;
468 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0;
469 u_int8_t spdval, fmtval;
470
471
472 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd);
473 len = -len;
474
475 if (ch == 1) {
476 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad"));
477 /* transfer length low */
478 ess_write(sc, 0xa4, len & 0x00ff);
479 /* transfer length high */
480 ess_write(sc, 0xa5, (len & 0xff00) >> 8);
481 /* autoinit, dma dir */
482 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a));
483 /* mono/stereo */
484 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02));
485 /* demand mode, 4 bytes/xfer */
486 ess_write(sc, 0xb9, 0x02);
487 /* sample rate */
488 ess_write(sc, 0xa1, spdval);
489 /* filter cutoff */
490 ess_write(sc, 0xa2, ess_calcfilter(spd));
491 /* setup dac/adc */
492 if (play)
493 ess_write(sc, 0xb6, unsign? 0x80 : 0x00);
494 /* mono, b16: signed, load signal */
495 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20));
496 /* setup fifo */
497 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) |
498 (b16? 0x04 : 0x00) |
499 (stereo? 0x08 : 0x40));
500 /* irq control */
501 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50);
502 /* drq control */
503 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50);
504 } else if (ch == 2) {
505 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad"));
506 /* transfer length low */
507 ess_setmixer(sc, 0x74, len & 0x00ff);
508 /* transfer length high */
509 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8);
510 /* autoinit, 4 bytes/req */
511 ess_setmixer(sc, 0x78, 0x90);
512 fmtval = b16 | (stereo << 1) | (unsign << 2);
513 /* enable irq, set format */
514 ess_setmixer(sc, 0x7a, 0x40 | fmtval);
515 if (sc->newspeed) {
516 /* sample rate */
517 ess_setmixer(sc, 0x70, spdval);
518 /* filter cutoff */
519 ess_setmixer(sc, 0x72, ess_calcfilter(spd));
520 }
521 }
522
523 return 0;
524 }
525 static int
526 ess_start(struct ess_chinfo *ch)
527 {
528 struct ess_info *sc = ch->parent;
529 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
530
531 ess_lock(sc);
532 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz);
533 ch->stopping = 0;
534 if (ch->hwch == 1)
535 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01);
536 else
537 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03);
538 if (play)
539 ess_cmd(sc, DSP_CMD_SPKON);
540 ess_unlock(sc);
541 return 0;
542 }
543
544 static int
545 ess_stop(struct ess_chinfo *ch)
546 {
547 struct ess_info *sc = ch->parent;
548 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
549
550 ess_lock(sc);
551 ch->stopping = 1;
552 if (ch->hwch == 1)
553 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04);
554 else
555 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10);
556 if (play)
557 ess_cmd(sc, DSP_CMD_SPKOFF);
558 ess_unlock(sc);
559 return 0;
560 }
561
562 /* -------------------------------------------------------------------- */
563 /* channel interface for ESS18xx */
564 static void *
565 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
566 {
567 struct ess_info *sc = devinfo;
568 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
569
570 ch->parent = sc;
571 ch->channel = c;
572 ch->buffer = b;
573 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 0, sc->bufsize) != 0)
574 return NULL;
575 ch->dir = dir;
576 ch->hwch = 1;
577 if ((dir == PCMDIR_PLAY) && (sc->duplex))
578 ch->hwch = 2;
579 sndbuf_dmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2);
580 return ch;
581 }
582
583 static int
584 esschan_setformat(kobj_t obj, void *data, u_int32_t format)
585 {
586 struct ess_chinfo *ch = data;
587
588 ch->fmt = format;
589 return 0;
590 }
591
592 static u_int32_t
593 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
594 {
595 struct ess_chinfo *ch = data;
596 struct ess_info *sc = ch->parent;
597
598 ch->spd = speed;
599 if (sc->newspeed)
600 ess_calcspeed9(&ch->spd);
601 else
602 ess_calcspeed8(&ch->spd);
603 return ch->spd;
604 }
605
606 static u_int32_t
607 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
608 {
609 struct ess_chinfo *ch = data;
610
611 ch->blksz = blocksize;
612 return ch->blksz;
613 }
614
615 static int
616 esschan_trigger(kobj_t obj, void *data, int go)
617 {
618 struct ess_chinfo *ch = data;
619
620 if (!PCMTRIG_COMMON(go))
621 return 0;
622
623 switch (go) {
624 case PCMTRIG_START:
625 ch->run = 1;
626 sndbuf_dma(ch->buffer, go);
627 ess_start(ch);
628 break;
629
630 case PCMTRIG_STOP:
631 case PCMTRIG_ABORT:
632 default:
633 ess_stop(ch);
634 break;
635 }
636 return 0;
637 }
638
639 static u_int32_t
640 esschan_getptr(kobj_t obj, void *data)
641 {
642 struct ess_chinfo *ch = data;
643
644 return sndbuf_dmaptr(ch->buffer);
645 }
646
647 static struct pcmchan_caps *
648 esschan_getcaps(kobj_t obj, void *data)
649 {
650 struct ess_chinfo *ch = data;
651
652 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps;
653 }
654
655 static kobj_method_t esschan_methods[] = {
656 KOBJMETHOD(channel_init, esschan_init),
657 KOBJMETHOD(channel_setformat, esschan_setformat),
658 KOBJMETHOD(channel_setspeed, esschan_setspeed),
659 KOBJMETHOD(channel_setblocksize, esschan_setblocksize),
660 KOBJMETHOD(channel_trigger, esschan_trigger),
661 KOBJMETHOD(channel_getptr, esschan_getptr),
662 KOBJMETHOD(channel_getcaps, esschan_getcaps),
663 KOBJMETHOD_END
664 };
665 CHANNEL_DECLARE(esschan);
666
667 /************************************************************/
668
669 static int
670 essmix_init(struct snd_mixer *m)
671 {
672 struct ess_info *sc = mix_getdevinfo(m);
673
674 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE |
675 SOUND_MASK_IMIX);
676
677 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
678 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME |
679 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER);
680
681 ess_setmixer(sc, 0, 0); /* reset */
682
683 return 0;
684 }
685
686 static int
687 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
688 {
689 struct ess_info *sc = mix_getdevinfo(m);
690 int preg = 0, rreg = 0, l, r;
691
692 l = (left * 15) / 100;
693 r = (right * 15) / 100;
694 switch (dev) {
695 case SOUND_MIXER_SYNTH:
696 preg = 0x36;
697 rreg = 0x6b;
698 break;
699
700 case SOUND_MIXER_PCM:
701 preg = 0x14;
702 rreg = 0x7c;
703 break;
704
705 case SOUND_MIXER_LINE:
706 preg = 0x3e;
707 rreg = 0x6e;
708 break;
709
710 case SOUND_MIXER_MIC:
711 preg = 0x1a;
712 rreg = 0x68;
713 break;
714
715 case SOUND_MIXER_LINE1:
716 preg = 0x3a;
717 rreg = 0x6c;
718 break;
719
720 case SOUND_MIXER_CD:
721 preg = 0x38;
722 rreg = 0x6a;
723 break;
724
725 case SOUND_MIXER_SPEAKER:
726 preg = 0x3c;
727 break;
728
729 case SOUND_MIXER_VOLUME:
730 l = left? (left * 63) / 100 : 64;
731 r = right? (right * 63) / 100 : 64;
732 ess_setmixer(sc, 0x60, l);
733 ess_setmixer(sc, 0x62, r);
734 left = (l == 64)? 0 : (l * 100) / 63;
735 right = (r == 64)? 0 : (r * 100) / 63;
736 return left | (right << 8);
737 }
738
739 if (preg)
740 ess_setmixer(sc, preg, (l << 4) | r);
741 if (rreg)
742 ess_setmixer(sc, rreg, (l << 4) | r);
743
744 left = (l * 100) / 15;
745 right = (r * 100) / 15;
746
747 return left | (right << 8);
748 }
749
750 static u_int32_t
751 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
752 {
753 struct ess_info *sc = mix_getdevinfo(m);
754 u_char recdev;
755
756 switch (src) {
757 case SOUND_MASK_CD:
758 recdev = 0x02;
759 break;
760
761 case SOUND_MASK_LINE:
762 recdev = 0x06;
763 break;
764
765 case SOUND_MASK_IMIX:
766 recdev = 0x05;
767 break;
768
769 case SOUND_MASK_MIC:
770 default:
771 recdev = 0x00;
772 src = SOUND_MASK_MIC;
773 break;
774 }
775
776 ess_setmixer(sc, 0x1c, recdev);
777
778 return src;
779 }
780
781 static kobj_method_t essmixer_methods[] = {
782 KOBJMETHOD(mixer_init, essmix_init),
783 KOBJMETHOD(mixer_set, essmix_set),
784 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc),
785 KOBJMETHOD_END
786 };
787 MIXER_DECLARE(essmixer);
788
789 /************************************************************/
790
791 static int
792 ess_probe(device_t dev)
793 {
794 uintptr_t func, ver, r, f;
795
796 /* The parent device has already been probed. */
797 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
798 if (func != SCF_PCM)
799 return (ENXIO);
800
801 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
802 f = (ver & 0xffff0000) >> 16;
803 if (!(f & BD_F_ESS))
804 return (ENXIO);
805
806 device_set_desc(dev, "ESS 18xx DSP");
807
808 return 0;
809 }
810
811 static int
812 ess_attach(device_t dev)
813 {
814 struct ess_info *sc;
815 char status[SND_STATUSLEN], buf[64];
816 int ver;
817
818 gone_in_dev(dev, 14, "ISA sound driver");
819 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
820 sc->parent_dev = device_get_parent(dev);
821 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536);
822 if (ess_alloc_resources(sc, dev))
823 goto no;
824 if (ess_reset_dsp(sc))
825 goto no;
826 if (mixer_init(dev, &essmixer_class, sc))
827 goto no;
828
829 sc->duplex = 0;
830 sc->newspeed = 0;
831 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA);
832 snprintf(buf, sizeof buf, "ESS %x DSP", ver);
833 device_set_desc_copy(dev, buf);
834 if (bootverbose)
835 device_printf(dev, "ESS%x detected", ver);
836
837 switch (ver) {
838 case 0x1869:
839 case 0x1879:
840 #ifdef ESS18XX_DUPLEX
841 sc->duplex = sc->drq2? 1 : 0;
842 #endif
843 #ifdef ESS18XX_NEWSPEED
844 sc->newspeed = 1;
845 #endif
846 break;
847 }
848 if (bootverbose)
849 printf("%s%s\n", sc->duplex? ", duplex" : "",
850 sc->newspeed? ", newspeed" : "");
851
852 if (sc->newspeed)
853 ess_setmixer(sc, 0x71, 0x22);
854
855 snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih);
856 if (!sc->duplex)
857 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
858
859 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
860 /*boundary*/0,
861 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
862 /*highaddr*/BUS_SPACE_MAXADDR,
863 /*filter*/NULL, /*filterarg*/NULL,
864 /*maxsize*/sc->bufsize, /*nsegments*/1,
865 /*maxsegz*/0x3ffff,
866 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
867 /*lockarg*/&Giant, &sc->parent_dmat) != 0) {
868 device_printf(dev, "unable to create dma tag\n");
869 goto no;
870 }
871
872 if (sc->drq2)
873 snprintf(buf, SND_STATUSLEN, ":%jd", rman_get_start(sc->drq2));
874 else
875 buf[0] = '\0';
876
877 snprintf(status, SND_STATUSLEN, "at io 0x%jx irq %jd drq %jd%s bufsz %u %s",
878 rman_get_start(sc->io_base), rman_get_start(sc->irq),
879 rman_get_start(sc->drq1), buf, sc->bufsize,
880 PCM_KLDSTRING(snd_ess));
881
882 if (pcm_register(dev, sc, 1, 1))
883 goto no;
884 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc);
885 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc);
886 pcm_setstatus(dev, status);
887
888 return 0;
889
890 no:
891 ess_release_resources(sc, dev);
892 return ENXIO;
893 }
894
895 static int
896 ess_detach(device_t dev)
897 {
898 int r;
899 struct ess_info *sc;
900
901 r = pcm_unregister(dev);
902 if (r)
903 return r;
904
905 sc = pcm_getdevinfo(dev);
906 ess_release_resources(sc, dev);
907 return 0;
908 }
909
910 static int
911 ess_resume(device_t dev)
912 {
913 struct ess_info *sc;
914
915 sc = pcm_getdevinfo(dev);
916
917 if (ess_reset_dsp(sc)) {
918 device_printf(dev, "unable to reset DSP at resume\n");
919 return ENXIO;
920 }
921
922 if (mixer_reinit(dev)) {
923 device_printf(dev, "unable to reinitialize mixer at resume\n");
924 return ENXIO;
925 }
926
927 return 0;
928 }
929
930 static device_method_t ess_methods[] = {
931 /* Device interface */
932 DEVMETHOD(device_probe, ess_probe),
933 DEVMETHOD(device_attach, ess_attach),
934 DEVMETHOD(device_detach, ess_detach),
935 DEVMETHOD(device_resume, ess_resume),
936
937 { 0, 0 }
938 };
939
940 static driver_t ess_driver = {
941 "pcm",
942 ess_methods,
943 PCM_SOFTC_SIZE,
944 };
945
946 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0);
947 MODULE_DEPEND(snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
948 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1);
949 MODULE_VERSION(snd_ess, 1);
950
951 /************************************************************/
952
953 static devclass_t esscontrol_devclass;
954
955 static struct isa_pnp_id essc_ids[] = {
956 {0x06007316, "ESS Control"},
957 {0}
958 };
959
960 static int
961 esscontrol_probe(device_t dev)
962 {
963 int i;
964
965 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids);
966 if (i == 0)
967 device_quiet(dev);
968 return i;
969 }
970
971 static int
972 esscontrol_attach(device_t dev)
973 {
974 #ifdef notyet
975 struct resource *io;
976 int rid, i, x;
977
978 rid = 0;
979 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
980 x = 0;
981 for (i = 0; i < 0x100; i++) {
982 port_wr(io, 0, i);
983 x = port_rd(io, 1);
984 if ((i & 0x0f) == 0)
985 printf("%3.3x: ", i);
986 printf("%2.2x ", x);
987 if ((i & 0x0f) == 0x0f)
988 printf("\n");
989 }
990 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
991 io = NULL;
992 #endif
993
994 return 0;
995 }
996
997 static int
998 esscontrol_detach(device_t dev)
999 {
1000 return 0;
1001 }
1002
1003 static device_method_t esscontrol_methods[] = {
1004 /* Device interface */
1005 DEVMETHOD(device_probe, esscontrol_probe),
1006 DEVMETHOD(device_attach, esscontrol_attach),
1007 DEVMETHOD(device_detach, esscontrol_detach),
1008
1009 { 0, 0 }
1010 };
1011
1012 static driver_t esscontrol_driver = {
1013 "esscontrol",
1014 esscontrol_methods,
1015 1,
1016 };
1017
1018 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0);
1019 DRIVER_MODULE(esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0);
1020 ISA_PNP_INFO(essc_ids);
Cache object: 9f077731bd94c2827535d318bd53c485
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