1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1999 Cameron Grant <[email protected]>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #ifdef HAVE_KERNEL_OPTION_HEADERS
29 #include "opt_snd.h"
30 #endif
31
32 #include <dev/sound/pcm/sound.h>
33
34 #include <dev/pci/pcireg.h>
35 #include <dev/pci/pcivar.h>
36
37 #include <dev/sound/isa/sb.h>
38 #include <dev/sound/chip.h>
39
40 #include "mixer_if.h"
41
42 SND_DECLARE_FILE("$FreeBSD$");
43
44 #define SOLO_DEFAULT_BUFSZ 16384
45 #define ABS(x) (((x) < 0)? -(x) : (x))
46
47 /* if defined, playback always uses the 2nd channel and full duplex works */
48 #define ESS18XX_DUPLEX 1
49
50 /* more accurate clocks and split audio1/audio2 rates */
51 #define ESS18XX_NEWSPEED
52
53 /* 1 = INTR_MPSAFE, 0 = GIANT */
54 #define ESS18XX_MPSAFE 1
55
56 static u_int32_t ess_playfmt[] = {
57 SND_FORMAT(AFMT_U8, 1, 0),
58 SND_FORMAT(AFMT_U8, 2, 0),
59 SND_FORMAT(AFMT_S8, 1, 0),
60 SND_FORMAT(AFMT_S8, 2, 0),
61 SND_FORMAT(AFMT_S16_LE, 1, 0),
62 SND_FORMAT(AFMT_S16_LE, 2, 0),
63 SND_FORMAT(AFMT_U16_LE, 1, 0),
64 SND_FORMAT(AFMT_U16_LE, 2, 0),
65 0
66 };
67 static struct pcmchan_caps ess_playcaps = {6000, 48000, ess_playfmt, 0};
68
69 /*
70 * Recording output is byte-swapped
71 */
72 static u_int32_t ess_recfmt[] = {
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_BE, 1, 0),
78 SND_FORMAT(AFMT_S16_BE, 2, 0),
79 SND_FORMAT(AFMT_U16_BE, 1, 0),
80 SND_FORMAT(AFMT_U16_BE, 2, 0),
81 0
82 };
83 static struct pcmchan_caps ess_reccaps = {6000, 48000, ess_recfmt, 0};
84
85 struct ess_info;
86
87 struct ess_chinfo {
88 struct ess_info *parent;
89 struct pcm_channel *channel;
90 struct snd_dbuf *buffer;
91 int dir, hwch, stopping;
92 u_int32_t fmt, spd, blksz;
93 };
94
95 struct ess_info {
96 struct resource *io, *sb, *vc, *mpu, *gp; /* I/O address for the board */
97 struct resource *irq;
98 void *ih;
99 bus_dma_tag_t parent_dmat;
100
101 int simplex_dir, type, dmasz[2];
102 unsigned int duplex:1, newspeed:1;
103 unsigned int bufsz;
104
105 struct ess_chinfo pch, rch;
106 #if ESS18XX_MPSAFE == 1
107 struct mtx *lock;
108 #endif
109 };
110
111 #if ESS18XX_MPSAFE == 1
112 #define ess_lock(_ess) snd_mtxlock((_ess)->lock)
113 #define ess_unlock(_ess) snd_mtxunlock((_ess)->lock)
114 #define ess_lock_assert(_ess) snd_mtxassert((_ess)->lock)
115 #else
116 #define ess_lock(_ess)
117 #define ess_unlock(_ess)
118 #define ess_lock_assert(_ess)
119 #endif
120
121 static int ess_rd(struct ess_info *sc, int reg);
122 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val);
123 static int ess_dspready(struct ess_info *sc);
124 static int ess_cmd(struct ess_info *sc, u_char val);
125 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val);
126 static int ess_get_byte(struct ess_info *sc);
127 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value);
128 static int ess_getmixer(struct ess_info *sc, u_int port);
129 static int ess_reset_dsp(struct ess_info *sc);
130
131 static int ess_write(struct ess_info *sc, u_char reg, int val);
132 static int ess_read(struct ess_info *sc, u_char reg);
133
134 static void ess_intr(void *arg);
135 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len);
136 static int ess_start(struct ess_chinfo *ch);
137 static int ess_stop(struct ess_chinfo *ch);
138
139 static int ess_dmasetup(struct ess_info *sc, int ch, u_int32_t base, u_int16_t cnt, int dir);
140 static int ess_dmapos(struct ess_info *sc, int ch);
141 static int ess_dmatrigger(struct ess_info *sc, int ch, int go);
142
143 /*
144 * Common code for the midi and pcm functions
145 *
146 * ess_cmd write a single byte to the CMD port.
147 * ess_cmd1 write a CMD + 1 byte arg
148 * ess_cmd2 write a CMD + 2 byte arg
149 * ess_get_byte returns a single byte from the DSP data port
150 *
151 * ess_write is actually ess_cmd1
152 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte
153 */
154
155 static int
port_rd(struct resource * port,int regno,int size)156 port_rd(struct resource *port, int regno, int size)
157 {
158 bus_space_tag_t st = rman_get_bustag(port);
159 bus_space_handle_t sh = rman_get_bushandle(port);
160
161 switch (size) {
162 case 1:
163 return bus_space_read_1(st, sh, regno);
164 case 2:
165 return bus_space_read_2(st, sh, regno);
166 case 4:
167 return bus_space_read_4(st, sh, regno);
168 default:
169 return 0xffffffff;
170 }
171 }
172
173 static void
port_wr(struct resource * port,int regno,u_int32_t data,int size)174 port_wr(struct resource *port, int regno, u_int32_t data, int size)
175 {
176 bus_space_tag_t st = rman_get_bustag(port);
177 bus_space_handle_t sh = rman_get_bushandle(port);
178
179 switch (size) {
180 case 1:
181 bus_space_write_1(st, sh, regno, data);
182 break;
183 case 2:
184 bus_space_write_2(st, sh, regno, data);
185 break;
186 case 4:
187 bus_space_write_4(st, sh, regno, data);
188 break;
189 }
190 }
191
192 static int
ess_rd(struct ess_info * sc,int reg)193 ess_rd(struct ess_info *sc, int reg)
194 {
195 return port_rd(sc->sb, reg, 1);
196 }
197
198 static void
ess_wr(struct ess_info * sc,int reg,u_int8_t val)199 ess_wr(struct ess_info *sc, int reg, u_int8_t val)
200 {
201 port_wr(sc->sb, reg, val, 1);
202 }
203
204 static int
ess_dspready(struct ess_info * sc)205 ess_dspready(struct ess_info *sc)
206 {
207 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0);
208 }
209
210 static int
ess_dspwr(struct ess_info * sc,u_char val)211 ess_dspwr(struct ess_info *sc, u_char val)
212 {
213 int i;
214
215 for (i = 0; i < 1000; i++) {
216 if (ess_dspready(sc)) {
217 ess_wr(sc, SBDSP_CMD, val);
218 return 1;
219 }
220 if (i > 10) DELAY((i > 100)? 1000 : 10);
221 }
222 printf("ess_dspwr(0x%02x) timed out.\n", val);
223 return 0;
224 }
225
226 static int
ess_cmd(struct ess_info * sc,u_char val)227 ess_cmd(struct ess_info *sc, u_char val)
228 {
229 DEB(printf("ess_cmd: %x\n", val));
230 return ess_dspwr(sc, val);
231 }
232
233 static int
ess_cmd1(struct ess_info * sc,u_char cmd,int val)234 ess_cmd1(struct ess_info *sc, u_char cmd, int val)
235 {
236 DEB(printf("ess_cmd1: %x, %x\n", cmd, val));
237 if (ess_dspwr(sc, cmd)) {
238 return ess_dspwr(sc, val & 0xff);
239 } else return 0;
240 }
241
242 static void
ess_setmixer(struct ess_info * sc,u_int port,u_int value)243 ess_setmixer(struct ess_info *sc, u_int port, u_int value)
244 {
245 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);)
246 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
247 DELAY(10);
248 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff));
249 DELAY(10);
250 }
251
252 static int
ess_getmixer(struct ess_info * sc,u_int port)253 ess_getmixer(struct ess_info *sc, u_int port)
254 {
255 int val;
256
257 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
258 DELAY(10);
259 val = ess_rd(sc, SB_MIX_DATA);
260 DELAY(10);
261
262 return val;
263 }
264
265 static int
ess_get_byte(struct ess_info * sc)266 ess_get_byte(struct ess_info *sc)
267 {
268 int i;
269
270 for (i = 1000; i > 0; i--) {
271 if (ess_rd(sc, 0xc) & 0x40)
272 return ess_rd(sc, DSP_READ);
273 else
274 DELAY(20);
275 }
276 return -1;
277 }
278
279 static int
ess_write(struct ess_info * sc,u_char reg,int val)280 ess_write(struct ess_info *sc, u_char reg, int val)
281 {
282 return ess_cmd1(sc, reg, val);
283 }
284
285 static int
ess_read(struct ess_info * sc,u_char reg)286 ess_read(struct ess_info *sc, u_char reg)
287 {
288 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1;
289 }
290
291 static int
ess_reset_dsp(struct ess_info * sc)292 ess_reset_dsp(struct ess_info *sc)
293 {
294 DEB(printf("ess_reset_dsp\n"));
295 ess_wr(sc, SBDSP_RST, 3);
296 DELAY(100);
297 ess_wr(sc, SBDSP_RST, 0);
298 if (ess_get_byte(sc) != 0xAA) {
299 DEB(printf("ess_reset_dsp failed\n"));
300 /*
301 rman_get_start(d->io_base)));
302 */
303 return ENXIO; /* Sorry */
304 }
305 ess_cmd(sc, 0xc6);
306 return 0;
307 }
308
309 static void
ess_intr(void * arg)310 ess_intr(void *arg)
311 {
312 struct ess_info *sc = (struct ess_info *)arg;
313 int src, pirq = 0, rirq = 0;
314
315 ess_lock(sc);
316 src = 0;
317 if (ess_getmixer(sc, 0x7a) & 0x80)
318 src |= 2;
319 if (ess_rd(sc, 0x0c) & 0x01)
320 src |= 1;
321
322 if (src == 0) {
323 ess_unlock(sc);
324 return;
325 }
326
327 if (sc->duplex) {
328 pirq = (src & sc->pch.hwch)? 1 : 0;
329 rirq = (src & sc->rch.hwch)? 1 : 0;
330 } else {
331 if (sc->simplex_dir == PCMDIR_PLAY)
332 pirq = 1;
333 if (sc->simplex_dir == PCMDIR_REC)
334 rirq = 1;
335 if (!pirq && !rirq)
336 printf("solo: IRQ neither playback nor rec!\n");
337 }
338
339 DEB(printf("ess_intr: pirq:%d rirq:%d\n",pirq,rirq));
340
341 if (pirq) {
342 if (sc->pch.stopping) {
343 ess_dmatrigger(sc, sc->pch.hwch, 0);
344 sc->pch.stopping = 0;
345 if (sc->pch.hwch == 1)
346 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
347 else
348 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03);
349 }
350 ess_unlock(sc);
351 chn_intr(sc->pch.channel);
352 ess_lock(sc);
353 }
354
355 if (rirq) {
356 if (sc->rch.stopping) {
357 ess_dmatrigger(sc, sc->rch.hwch, 0);
358 sc->rch.stopping = 0;
359 /* XXX: will this stop audio2? */
360 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01);
361 }
362 ess_unlock(sc);
363 chn_intr(sc->rch.channel);
364 ess_lock(sc);
365 }
366
367 if (src & 2)
368 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80);
369 if (src & 1)
370 ess_rd(sc, DSP_DATA_AVAIL);
371
372 ess_unlock(sc);
373 }
374
375 /* utility functions for ESS */
376 static u_int8_t
ess_calcspeed8(int * spd)377 ess_calcspeed8(int *spd)
378 {
379 int speed = *spd;
380 u_int32_t t;
381
382 if (speed > 22000) {
383 t = (795500 + speed / 2) / speed;
384 speed = (795500 + t / 2) / t;
385 t = (256 - t) | 0x80;
386 } else {
387 t = (397700 + speed / 2) / speed;
388 speed = (397700 + t / 2) / t;
389 t = 128 - t;
390 }
391 *spd = speed;
392 return t & 0x000000ff;
393 }
394
395 static u_int8_t
ess_calcspeed9(int * spd)396 ess_calcspeed9(int *spd)
397 {
398 int speed, s0, s1, use0;
399 u_int8_t t0, t1;
400
401 /* rate = source / (256 - divisor) */
402 /* divisor = 256 - (source / rate) */
403 speed = *spd;
404 t0 = 128 - (793800 / speed);
405 s0 = 793800 / (128 - t0);
406
407 t1 = 128 - (768000 / speed);
408 s1 = 768000 / (128 - t1);
409 t1 |= 0x80;
410
411 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0;
412
413 *spd = use0? s0 : s1;
414 return use0? t0 : t1;
415 }
416
417 static u_int8_t
ess_calcfilter(int spd)418 ess_calcfilter(int spd)
419 {
420 int cutoff;
421
422 /* cutoff = 7160000 / (256 - divisor) */
423 /* divisor = 256 - (7160000 / cutoff) */
424 cutoff = (spd * 9 * 82) / 20;
425 return (256 - (7160000 / cutoff));
426 }
427
428 static int
ess_setupch(struct ess_info * sc,int ch,int dir,int spd,u_int32_t fmt,int len)429 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len)
430 {
431 int play = (dir == PCMDIR_PLAY)? 1 : 0;
432 int b16 = (fmt & AFMT_16BIT)? 1 : 0;
433 int stereo = (AFMT_CHANNEL(fmt) > 1)? 1 : 0;
434 int unsign = (!(fmt & AFMT_SIGNED))? 1 : 0;
435 u_int8_t spdval, fmtval;
436
437 DEB(printf("ess_setupch\n"));
438 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd);
439
440 sc->simplex_dir = play ? PCMDIR_PLAY : PCMDIR_REC ;
441
442 if (ch == 1) {
443 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad"));
444 len = -len;
445 /* transfer length low */
446 ess_write(sc, 0xa4, len & 0x00ff);
447 /* transfer length high */
448 ess_write(sc, 0xa5, (len & 0xff00) >> 8);
449 /* autoinit, dma dir */
450 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a));
451 /* mono/stereo */
452 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02));
453 /* demand mode, 4 bytes/xfer */
454 ess_write(sc, 0xb9, 0x02);
455 /* sample rate */
456 ess_write(sc, 0xa1, spdval);
457 /* filter cutoff */
458 ess_write(sc, 0xa2, ess_calcfilter(spd));
459 /* setup dac/adc */
460 /*
461 if (play)
462 ess_write(sc, 0xb6, unsign? 0x80 : 0x00);
463 */
464 /* mono, b16: signed, load signal */
465 /*
466 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20));
467 */
468 /* setup fifo */
469 ess_write(sc, 0xb7, 0x91 | (unsign? 0x00 : 0x20) |
470 (b16? 0x04 : 0x00) |
471 (stereo? 0x08 : 0x40));
472 /* irq control */
473 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50);
474 /* drq control */
475 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50);
476 } else if (ch == 2) {
477 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad"));
478 len >>= 1;
479 len = -len;
480 /* transfer length low */
481 ess_setmixer(sc, 0x74, len & 0x00ff);
482 /* transfer length high */
483 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8);
484 /* autoinit, 4 bytes/req */
485 ess_setmixer(sc, 0x78, 0x10);
486 fmtval = b16 | (stereo << 1) | ((!unsign) << 2);
487 /* enable irq, set format */
488 ess_setmixer(sc, 0x7a, 0x40 | fmtval);
489 if (sc->newspeed) {
490 /* sample rate */
491 ess_setmixer(sc, 0x70, spdval);
492 /* filter cutoff */
493 ess_setmixer(sc, 0x72, ess_calcfilter(spd));
494 }
495 }
496 return 0;
497 }
498 static int
ess_start(struct ess_chinfo * ch)499 ess_start(struct ess_chinfo *ch)
500 {
501 struct ess_info *sc = ch->parent;
502
503 DEB(printf("ess_start\n"););
504 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz);
505 ch->stopping = 0;
506 if (ch->hwch == 1) {
507 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01);
508 if (ch->dir == PCMDIR_PLAY) {
509 #if 0
510 DELAY(100000); /* 100 ms */
511 #endif
512 ess_cmd(sc, 0xd1);
513 }
514 } else
515 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03);
516 return 0;
517 }
518
519 static int
ess_stop(struct ess_chinfo * ch)520 ess_stop(struct ess_chinfo *ch)
521 {
522 struct ess_info *sc = ch->parent;
523
524 DEB(printf("ess_stop\n"));
525 ch->stopping = 1;
526 if (ch->hwch == 1)
527 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04);
528 else
529 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10);
530 DEB(printf("done with stop\n"));
531 return 0;
532 }
533
534 /* -------------------------------------------------------------------- */
535 /* channel interface for ESS18xx */
536 static void *
esschan_init(kobj_t obj,void * devinfo,struct snd_dbuf * b,struct pcm_channel * c,int dir)537 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
538 {
539 struct ess_info *sc = devinfo;
540 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
541
542 DEB(printf("esschan_init\n"));
543 ch->parent = sc;
544 ch->channel = c;
545 ch->buffer = b;
546 ch->dir = dir;
547 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 0, sc->bufsz) != 0)
548 return NULL;
549 ch->hwch = 1;
550 if ((dir == PCMDIR_PLAY) && (sc->duplex))
551 ch->hwch = 2;
552 return ch;
553 }
554
555 static int
esschan_setformat(kobj_t obj,void * data,u_int32_t format)556 esschan_setformat(kobj_t obj, void *data, u_int32_t format)
557 {
558 struct ess_chinfo *ch = data;
559
560 ch->fmt = format;
561 return 0;
562 }
563
564 static u_int32_t
esschan_setspeed(kobj_t obj,void * data,u_int32_t speed)565 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
566 {
567 struct ess_chinfo *ch = data;
568 struct ess_info *sc = ch->parent;
569
570 ch->spd = speed;
571 if (sc->newspeed)
572 ess_calcspeed9(&ch->spd);
573 else
574 ess_calcspeed8(&ch->spd);
575 return ch->spd;
576 }
577
578 static u_int32_t
esschan_setblocksize(kobj_t obj,void * data,u_int32_t blocksize)579 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
580 {
581 struct ess_chinfo *ch = data;
582
583 ch->blksz = blocksize;
584 return ch->blksz;
585 }
586
587 static int
esschan_trigger(kobj_t obj,void * data,int go)588 esschan_trigger(kobj_t obj, void *data, int go)
589 {
590 struct ess_chinfo *ch = data;
591 struct ess_info *sc = ch->parent;
592
593 if (!PCMTRIG_COMMON(go))
594 return 0;
595
596 DEB(printf("esschan_trigger: %d\n",go));
597
598 ess_lock(sc);
599 switch (go) {
600 case PCMTRIG_START:
601 ess_dmasetup(sc, ch->hwch, sndbuf_getbufaddr(ch->buffer), sndbuf_getsize(ch->buffer), ch->dir);
602 ess_dmatrigger(sc, ch->hwch, 1);
603 ess_start(ch);
604 break;
605
606 case PCMTRIG_STOP:
607 case PCMTRIG_ABORT:
608 default:
609 ess_stop(ch);
610 break;
611 }
612 ess_unlock(sc);
613 return 0;
614 }
615
616 static u_int32_t
esschan_getptr(kobj_t obj,void * data)617 esschan_getptr(kobj_t obj, void *data)
618 {
619 struct ess_chinfo *ch = data;
620 struct ess_info *sc = ch->parent;
621 u_int32_t ret;
622
623 ess_lock(sc);
624 ret = ess_dmapos(sc, ch->hwch);
625 ess_unlock(sc);
626 return ret;
627 }
628
629 static struct pcmchan_caps *
esschan_getcaps(kobj_t obj,void * data)630 esschan_getcaps(kobj_t obj, void *data)
631 {
632 struct ess_chinfo *ch = data;
633
634 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps;
635 }
636
637 static kobj_method_t esschan_methods[] = {
638 KOBJMETHOD(channel_init, esschan_init),
639 KOBJMETHOD(channel_setformat, esschan_setformat),
640 KOBJMETHOD(channel_setspeed, esschan_setspeed),
641 KOBJMETHOD(channel_setblocksize, esschan_setblocksize),
642 KOBJMETHOD(channel_trigger, esschan_trigger),
643 KOBJMETHOD(channel_getptr, esschan_getptr),
644 KOBJMETHOD(channel_getcaps, esschan_getcaps),
645 KOBJMETHOD_END
646 };
647 CHANNEL_DECLARE(esschan);
648
649 /************************************************************/
650
651 static int
essmix_init(struct snd_mixer * m)652 essmix_init(struct snd_mixer *m)
653 {
654 struct ess_info *sc = mix_getdevinfo(m);
655
656 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE |
657 SOUND_MASK_IMIX);
658
659 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
660 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME |
661 SOUND_MASK_LINE1);
662
663 ess_setmixer(sc, 0, 0); /* reset */
664
665 return 0;
666 }
667
668 static int
essmix_set(struct snd_mixer * m,unsigned dev,unsigned left,unsigned right)669 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
670 {
671 struct ess_info *sc = mix_getdevinfo(m);
672 int preg = 0, rreg = 0, l, r;
673
674 l = (left * 15) / 100;
675 r = (right * 15) / 100;
676 switch (dev) {
677 case SOUND_MIXER_SYNTH:
678 preg = 0x36;
679 rreg = 0x6b;
680 break;
681
682 case SOUND_MIXER_PCM:
683 preg = 0x14;
684 rreg = 0x7c;
685 break;
686
687 case SOUND_MIXER_LINE:
688 preg = 0x3e;
689 rreg = 0x6e;
690 break;
691
692 case SOUND_MIXER_MIC:
693 preg = 0x1a;
694 rreg = 0x68;
695 break;
696
697 case SOUND_MIXER_LINE1:
698 preg = 0x3a;
699 rreg = 0x6c;
700 break;
701
702 case SOUND_MIXER_CD:
703 preg = 0x38;
704 rreg = 0x6a;
705 break;
706
707 case SOUND_MIXER_VOLUME:
708 l = left? (left * 63) / 100 : 64;
709 r = right? (right * 63) / 100 : 64;
710 ess_setmixer(sc, 0x60, l);
711 ess_setmixer(sc, 0x62, r);
712 left = (l == 64)? 0 : (l * 100) / 63;
713 right = (r == 64)? 0 : (r * 100) / 63;
714 return left | (right << 8);
715 }
716
717 if (preg)
718 ess_setmixer(sc, preg, (l << 4) | r);
719 if (rreg)
720 ess_setmixer(sc, rreg, (l << 4) | r);
721
722 left = (l * 100) / 15;
723 right = (r * 100) / 15;
724
725 return left | (right << 8);
726 }
727
728 static u_int32_t
essmix_setrecsrc(struct snd_mixer * m,u_int32_t src)729 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
730 {
731 struct ess_info *sc = mix_getdevinfo(m);
732 u_char recdev;
733
734 switch (src) {
735 case SOUND_MASK_CD:
736 recdev = 0x02;
737 break;
738
739 case SOUND_MASK_LINE:
740 recdev = 0x06;
741 break;
742
743 case SOUND_MASK_IMIX:
744 recdev = 0x05;
745 break;
746
747 case SOUND_MASK_MIC:
748 default:
749 recdev = 0x00;
750 src = SOUND_MASK_MIC;
751 break;
752 }
753
754 ess_setmixer(sc, 0x1c, recdev);
755
756 return src;
757 }
758
759 static kobj_method_t solomixer_methods[] = {
760 KOBJMETHOD(mixer_init, essmix_init),
761 KOBJMETHOD(mixer_set, essmix_set),
762 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc),
763 KOBJMETHOD_END
764 };
765 MIXER_DECLARE(solomixer);
766
767 /************************************************************/
768
769 static int
ess_dmasetup(struct ess_info * sc,int ch,u_int32_t base,u_int16_t cnt,int dir)770 ess_dmasetup(struct ess_info *sc, int ch, u_int32_t base, u_int16_t cnt, int dir)
771 {
772 KASSERT(ch == 1 || ch == 2, ("bad ch"));
773 sc->dmasz[ch - 1] = cnt;
774 if (ch == 1) {
775 port_wr(sc->vc, 0x8, 0xc4, 1); /* command */
776 port_wr(sc->vc, 0xd, 0xff, 1); /* reset */
777 port_wr(sc->vc, 0xf, 0x01, 1); /* mask */
778 port_wr(sc->vc, 0xb, dir == PCMDIR_PLAY? 0x58 : 0x54, 1); /* mode */
779 port_wr(sc->vc, 0x0, base, 4);
780 port_wr(sc->vc, 0x4, cnt - 1, 2);
781
782 } else if (ch == 2) {
783 port_wr(sc->io, 0x6, 0x08, 1); /* autoinit */
784 port_wr(sc->io, 0x0, base, 4);
785 port_wr(sc->io, 0x4, cnt, 2);
786 }
787 return 0;
788 }
789
790 static int
ess_dmapos(struct ess_info * sc,int ch)791 ess_dmapos(struct ess_info *sc, int ch)
792 {
793 int p = 0, i = 0, j = 0;
794
795 KASSERT(ch == 1 || ch == 2, ("bad ch"));
796 if (ch == 1) {
797 /*
798 * During recording, this register is known to give back
799 * garbage if it's not quiescent while being read. That's
800 * why we spl, stop the DMA, and try over and over until
801 * adjacent reads are "close", in the right order and not
802 * bigger than is otherwise possible.
803 */
804 ess_dmatrigger(sc, ch, 0);
805 DELAY(20);
806 do {
807 DELAY(10);
808 if (j > 1)
809 printf("DMA count reg bogus: %04x & %04x\n",
810 i, p);
811 i = port_rd(sc->vc, 0x4, 2) + 1;
812 p = port_rd(sc->vc, 0x4, 2) + 1;
813 } while ((p > sc->dmasz[ch - 1] || i < p || (p - i) > 0x8) && j++ < 1000);
814 ess_dmatrigger(sc, ch, 1);
815 }
816 else if (ch == 2)
817 p = port_rd(sc->io, 0x4, 2);
818 return sc->dmasz[ch - 1] - p;
819 }
820
821 static int
ess_dmatrigger(struct ess_info * sc,int ch,int go)822 ess_dmatrigger(struct ess_info *sc, int ch, int go)
823 {
824 KASSERT(ch == 1 || ch == 2, ("bad ch"));
825 if (ch == 1)
826 port_wr(sc->vc, 0xf, go? 0x00 : 0x01, 1); /* mask */
827 else if (ch == 2)
828 port_wr(sc->io, 0x6, 0x08 | (go? 0x02 : 0x00), 1); /* autoinit */
829 return 0;
830 }
831
832 static void
ess_release_resources(struct ess_info * sc,device_t dev)833 ess_release_resources(struct ess_info *sc, device_t dev)
834 {
835 if (sc->irq) {
836 if (sc->ih)
837 bus_teardown_intr(dev, sc->irq, sc->ih);
838 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
839 sc->irq = NULL;
840 }
841 if (sc->io) {
842 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->io);
843 sc->io = NULL;
844 }
845
846 if (sc->sb) {
847 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(1), sc->sb);
848 sc->sb = NULL;
849 }
850
851 if (sc->vc) {
852 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(2), sc->vc);
853 sc->vc = NULL;
854 }
855
856 if (sc->mpu) {
857 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(3), sc->mpu);
858 sc->mpu = NULL;
859 }
860
861 if (sc->gp) {
862 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(4), sc->gp);
863 sc->gp = NULL;
864 }
865
866 if (sc->parent_dmat) {
867 bus_dma_tag_destroy(sc->parent_dmat);
868 sc->parent_dmat = 0;
869 }
870
871 #if ESS18XX_MPSAFE == 1
872 if (sc->lock) {
873 snd_mtxfree(sc->lock);
874 sc->lock = NULL;
875 }
876 #endif
877
878 free(sc, M_DEVBUF);
879 }
880
881 static int
ess_alloc_resources(struct ess_info * sc,device_t dev)882 ess_alloc_resources(struct ess_info *sc, device_t dev)
883 {
884 int rid;
885
886 rid = PCIR_BAR(0);
887 sc->io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
888
889 rid = PCIR_BAR(1);
890 sc->sb = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
891
892 rid = PCIR_BAR(2);
893 sc->vc = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
894
895 rid = PCIR_BAR(3);
896 sc->mpu = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
897
898 rid = PCIR_BAR(4);
899 sc->gp = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
900
901 rid = 0;
902 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
903 RF_ACTIVE | RF_SHAREABLE);
904
905 #if ESS18XX_MPSAFE == 1
906 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_solo softc");
907
908 return (sc->irq && sc->io && sc->sb && sc->vc &&
909 sc->mpu && sc->gp && sc->lock)? 0 : ENXIO;
910 #else
911 return (sc->irq && sc->io && sc->sb && sc->vc && sc->mpu && sc->gp)? 0 : ENXIO;
912 #endif
913 }
914
915 static int
ess_probe(device_t dev)916 ess_probe(device_t dev)
917 {
918 char *s = NULL;
919 u_int32_t subdev;
920
921 subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
922 switch (pci_get_devid(dev)) {
923 case 0x1969125d:
924 if (subdev == 0x8888125d)
925 s = "ESS Solo-1E";
926 else if (subdev == 0x1818125d)
927 s = "ESS Solo-1";
928 else
929 s = "ESS Solo-1 (unknown vendor)";
930 break;
931 }
932
933 if (s)
934 device_set_desc(dev, s);
935 return s ? BUS_PROBE_DEFAULT : ENXIO;
936 }
937
938 #define ESS_PCI_LEGACYCONTROL 0x40
939 #define ESS_PCI_CONFIG 0x50
940 #define ESS_PCI_DDMACONTROL 0x60
941
942 static int
ess_suspend(device_t dev)943 ess_suspend(device_t dev)
944 {
945 return 0;
946 }
947
948 static int
ess_resume(device_t dev)949 ess_resume(device_t dev)
950 {
951 uint16_t ddma;
952 struct ess_info *sc = pcm_getdevinfo(dev);
953
954 ess_lock(sc);
955 ddma = rman_get_start(sc->vc) | 1;
956 pci_write_config(dev, ESS_PCI_LEGACYCONTROL, 0x805f, 2);
957 pci_write_config(dev, ESS_PCI_DDMACONTROL, ddma, 2);
958 pci_write_config(dev, ESS_PCI_CONFIG, 0, 2);
959
960 if (ess_reset_dsp(sc)) {
961 ess_unlock(sc);
962 goto no;
963 }
964 ess_unlock(sc);
965 if (mixer_reinit(dev))
966 goto no;
967 ess_lock(sc);
968 if (sc->newspeed)
969 ess_setmixer(sc, 0x71, 0x2a);
970
971 port_wr(sc->io, 0x7, 0xb0, 1); /* enable irqs */
972 ess_unlock(sc);
973
974 return 0;
975 no:
976 return EIO;
977 }
978
979 static int
ess_attach(device_t dev)980 ess_attach(device_t dev)
981 {
982 struct ess_info *sc;
983 char status[SND_STATUSLEN];
984 u_int16_t ddma;
985
986 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
987 pci_enable_busmaster(dev);
988
989 if (ess_alloc_resources(sc, dev))
990 goto no;
991
992 sc->bufsz = pcm_getbuffersize(dev, 4096, SOLO_DEFAULT_BUFSZ, 65536);
993
994 ddma = rman_get_start(sc->vc) | 1;
995 pci_write_config(dev, ESS_PCI_LEGACYCONTROL, 0x805f, 2);
996 pci_write_config(dev, ESS_PCI_DDMACONTROL, ddma, 2);
997 pci_write_config(dev, ESS_PCI_CONFIG, 0, 2);
998
999 port_wr(sc->io, 0x7, 0xb0, 1); /* enable irqs */
1000 #ifdef ESS18XX_DUPLEX
1001 sc->duplex = 1;
1002 #else
1003 sc->duplex = 0;
1004 #endif
1005
1006 #ifdef ESS18XX_NEWSPEED
1007 sc->newspeed = 1;
1008 #else
1009 sc->newspeed = 0;
1010 #endif
1011 if (snd_setup_intr(dev, sc->irq,
1012 #if ESS18XX_MPSAFE == 1
1013 INTR_MPSAFE
1014 #else
1015 0
1016 #endif
1017 , ess_intr, sc, &sc->ih)) {
1018 device_printf(dev, "unable to map interrupt\n");
1019 goto no;
1020 }
1021
1022 if (!sc->duplex)
1023 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
1024
1025 #if 0
1026 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/65536, /*boundary*/0,
1027 #endif
1028 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2, /*boundary*/0,
1029 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
1030 /*highaddr*/BUS_SPACE_MAXADDR,
1031 /*filter*/NULL, /*filterarg*/NULL,
1032 /*maxsize*/sc->bufsz, /*nsegments*/1,
1033 /*maxsegz*/0x3ffff,
1034 /*flags*/0,
1035 #if ESS18XX_MPSAFE == 1
1036 /*lockfunc*/NULL, /*lockarg*/NULL,
1037 #else
1038 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
1039 #endif
1040 &sc->parent_dmat) != 0) {
1041 device_printf(dev, "unable to create dma tag\n");
1042 goto no;
1043 }
1044
1045 if (ess_reset_dsp(sc))
1046 goto no;
1047
1048 if (sc->newspeed)
1049 ess_setmixer(sc, 0x71, 0x2a);
1050
1051 if (mixer_init(dev, &solomixer_class, sc))
1052 goto no;
1053
1054 snprintf(status, SND_STATUSLEN, "at io 0x%jx,0x%jx,0x%jx irq %jd %s",
1055 rman_get_start(sc->io), rman_get_start(sc->sb), rman_get_start(sc->vc),
1056 rman_get_start(sc->irq),PCM_KLDSTRING(snd_solo));
1057
1058 if (pcm_register(dev, sc, 1, 1))
1059 goto no;
1060 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc);
1061 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc);
1062 pcm_setstatus(dev, status);
1063
1064 return 0;
1065
1066 no:
1067 ess_release_resources(sc, dev);
1068 return ENXIO;
1069 }
1070
1071 static int
ess_detach(device_t dev)1072 ess_detach(device_t dev)
1073 {
1074 int r;
1075 struct ess_info *sc;
1076
1077 r = pcm_unregister(dev);
1078 if (r)
1079 return r;
1080
1081 sc = pcm_getdevinfo(dev);
1082 ess_release_resources(sc, dev);
1083 return 0;
1084 }
1085
1086 static device_method_t ess_methods[] = {
1087 /* Device interface */
1088 DEVMETHOD(device_probe, ess_probe),
1089 DEVMETHOD(device_attach, ess_attach),
1090 DEVMETHOD(device_detach, ess_detach),
1091 DEVMETHOD(device_resume, ess_resume),
1092 DEVMETHOD(device_suspend, ess_suspend),
1093 { 0, 0 }
1094 };
1095
1096 static driver_t ess_driver = {
1097 "pcm",
1098 ess_methods,
1099 PCM_SOFTC_SIZE,
1100 };
1101
1102 DRIVER_MODULE(snd_solo, pci, ess_driver, pcm_devclass, 0, 0);
1103 MODULE_DEPEND(snd_solo, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1104 MODULE_VERSION(snd_solo, 1);
1105