FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/mss.c
1 /*-
2 * Copyright (c) 2001 George Reid <greid@ukug.uk.freebsd.org>
3 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
4 * Copyright Luigi Rizzo, 1997,1998
5 * Copyright by Hannu Savolainen 1994, 1995
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <dev/sound/pcm/sound.h>
31
32 SND_DECLARE_FILE("$FreeBSD: releng/5.4/sys/dev/sound/isa/mss.c 142730 2005-02-27 23:32:21Z mdodd $");
33
34 /* board-specific include files */
35 #include <dev/sound/isa/mss.h>
36 #include <dev/sound/isa/sb.h>
37 #include <dev/sound/chip.h>
38
39 #include <isa/isavar.h>
40
41 #include "mixer_if.h"
42
43 #define MSS_DEFAULT_BUFSZ (4096)
44 #define MSS_INDEXED_REGS 0x20
45 #define OPL_INDEXED_REGS 0x19
46
47 struct mss_info;
48
49 struct mss_chinfo {
50 struct mss_info *parent;
51 struct pcm_channel *channel;
52 struct snd_dbuf *buffer;
53 int dir;
54 u_int32_t fmt, blksz;
55 };
56
57 struct mss_info {
58 struct resource *io_base; /* primary I/O address for the board */
59 int io_rid;
60 struct resource *conf_base; /* and the opti931 also has a config space */
61 int conf_rid;
62 struct resource *irq;
63 int irq_rid;
64 struct resource *drq1; /* play */
65 int drq1_rid;
66 struct resource *drq2; /* rec */
67 int drq2_rid;
68 void *ih;
69 bus_dma_tag_t parent_dmat;
70 struct mtx *lock;
71
72 char mss_indexed_regs[MSS_INDEXED_REGS];
73 char opl_indexed_regs[OPL_INDEXED_REGS];
74 int bd_id; /* used to hold board-id info, eg. sb version,
75 * mss codec type, etc. etc.
76 */
77 int opti_offset; /* offset from config_base for opti931 */
78 u_long bd_flags; /* board-specific flags */
79 int optibase; /* base address for OPTi9xx config */
80 struct resource *indir; /* Indirect register index address */
81 int indir_rid;
82 int password; /* password for opti9xx cards */
83 int passwdreg; /* password register */
84 unsigned int bufsize;
85 struct mss_chinfo pch, rch;
86 };
87
88 static int mss_probe(device_t dev);
89 static int mss_attach(device_t dev);
90
91 static driver_intr_t mss_intr;
92
93 /* prototypes for local functions */
94 static int mss_detect(device_t dev, struct mss_info *mss);
95 static int opti_detect(device_t dev, struct mss_info *mss);
96 static char *ymf_test(device_t dev, struct mss_info *mss);
97 static void ad_unmute(struct mss_info *mss);
98
99 /* mixer set funcs */
100 static int mss_mixer_set(struct mss_info *mss, int dev, int left, int right);
101 static int mss_set_recsrc(struct mss_info *mss, int mask);
102
103 /* io funcs */
104 static int ad_wait_init(struct mss_info *mss, int x);
105 static int ad_read(struct mss_info *mss, int reg);
106 static void ad_write(struct mss_info *mss, int reg, u_char data);
107 static void ad_write_cnt(struct mss_info *mss, int reg, u_short data);
108 static void ad_enter_MCE(struct mss_info *mss);
109 static void ad_leave_MCE(struct mss_info *mss);
110
111 /* OPTi-specific functions */
112 static void opti_write(struct mss_info *mss, u_char reg,
113 u_char data);
114 static u_char opti_read(struct mss_info *mss, u_char reg);
115 static int opti_init(device_t dev, struct mss_info *mss);
116
117 /* io primitives */
118 static void conf_wr(struct mss_info *mss, u_char reg, u_char data);
119 static u_char conf_rd(struct mss_info *mss, u_char reg);
120
121 static int pnpmss_probe(device_t dev);
122 static int pnpmss_attach(device_t dev);
123
124 static driver_intr_t opti931_intr;
125
126 static u_int32_t mss_fmt[] = {
127 AFMT_U8,
128 AFMT_STEREO | AFMT_U8,
129 AFMT_S16_LE,
130 AFMT_STEREO | AFMT_S16_LE,
131 AFMT_MU_LAW,
132 AFMT_STEREO | AFMT_MU_LAW,
133 AFMT_A_LAW,
134 AFMT_STEREO | AFMT_A_LAW,
135 0
136 };
137 static struct pcmchan_caps mss_caps = {4000, 48000, mss_fmt, 0};
138
139 static u_int32_t guspnp_fmt[] = {
140 AFMT_U8,
141 AFMT_STEREO | AFMT_U8,
142 AFMT_S16_LE,
143 AFMT_STEREO | AFMT_S16_LE,
144 AFMT_A_LAW,
145 AFMT_STEREO | AFMT_A_LAW,
146 0
147 };
148 static struct pcmchan_caps guspnp_caps = {4000, 48000, guspnp_fmt, 0};
149
150 static u_int32_t opti931_fmt[] = {
151 AFMT_U8,
152 AFMT_STEREO | AFMT_U8,
153 AFMT_S16_LE,
154 AFMT_STEREO | AFMT_S16_LE,
155 0
156 };
157 static struct pcmchan_caps opti931_caps = {4000, 48000, opti931_fmt, 0};
158
159 #define MD_AD1848 0x91
160 #define MD_AD1845 0x92
161 #define MD_CS42XX 0xA1
162 #define MD_CS423X 0xA2
163 #define MD_OPTI930 0xB0
164 #define MD_OPTI931 0xB1
165 #define MD_OPTI925 0xB2
166 #define MD_OPTI924 0xB3
167 #define MD_GUSPNP 0xB8
168 #define MD_GUSMAX 0xB9
169 #define MD_YM0020 0xC1
170 #define MD_VIVO 0xD1
171
172 #define DV_F_TRUE_MSS 0x00010000 /* mss _with_ base regs */
173
174 #define FULL_DUPLEX(x) ((x)->bd_flags & BD_F_DUPLEX)
175
176 static void
177 mss_lock(struct mss_info *mss)
178 {
179 snd_mtxlock(mss->lock);
180 }
181
182 static void
183 mss_unlock(struct mss_info *mss)
184 {
185 snd_mtxunlock(mss->lock);
186 }
187
188 static int
189 port_rd(struct resource *port, int off)
190 {
191 if (port)
192 return bus_space_read_1(rman_get_bustag(port),
193 rman_get_bushandle(port),
194 off);
195 else
196 return -1;
197 }
198
199 static void
200 port_wr(struct resource *port, int off, u_int8_t data)
201 {
202 if (port)
203 bus_space_write_1(rman_get_bustag(port),
204 rman_get_bushandle(port),
205 off, data);
206 }
207
208 static int
209 io_rd(struct mss_info *mss, int reg)
210 {
211 if (mss->bd_flags & BD_F_MSS_OFFSET) reg -= 4;
212 return port_rd(mss->io_base, reg);
213 }
214
215 static void
216 io_wr(struct mss_info *mss, int reg, u_int8_t data)
217 {
218 if (mss->bd_flags & BD_F_MSS_OFFSET) reg -= 4;
219 port_wr(mss->io_base, reg, data);
220 }
221
222 static void
223 conf_wr(struct mss_info *mss, u_char reg, u_char value)
224 {
225 port_wr(mss->conf_base, 0, reg);
226 port_wr(mss->conf_base, 1, value);
227 }
228
229 static u_char
230 conf_rd(struct mss_info *mss, u_char reg)
231 {
232 port_wr(mss->conf_base, 0, reg);
233 return port_rd(mss->conf_base, 1);
234 }
235
236 static void
237 opti_wr(struct mss_info *mss, u_char reg, u_char value)
238 {
239 port_wr(mss->conf_base, mss->opti_offset + 0, reg);
240 port_wr(mss->conf_base, mss->opti_offset + 1, value);
241 }
242
243 static u_char
244 opti_rd(struct mss_info *mss, u_char reg)
245 {
246 port_wr(mss->conf_base, mss->opti_offset + 0, reg);
247 return port_rd(mss->conf_base, mss->opti_offset + 1);
248 }
249
250 static void
251 gus_wr(struct mss_info *mss, u_char reg, u_char value)
252 {
253 port_wr(mss->conf_base, 3, reg);
254 port_wr(mss->conf_base, 5, value);
255 }
256
257 static u_char
258 gus_rd(struct mss_info *mss, u_char reg)
259 {
260 port_wr(mss->conf_base, 3, reg);
261 return port_rd(mss->conf_base, 5);
262 }
263
264 static void
265 mss_release_resources(struct mss_info *mss, device_t dev)
266 {
267 if (mss->irq) {
268 if (mss->ih)
269 bus_teardown_intr(dev, mss->irq, mss->ih);
270 bus_release_resource(dev, SYS_RES_IRQ, mss->irq_rid,
271 mss->irq);
272 mss->irq = 0;
273 }
274 if (mss->drq2) {
275 if (mss->drq2 != mss->drq1) {
276 isa_dma_release(rman_get_start(mss->drq2));
277 bus_release_resource(dev, SYS_RES_DRQ, mss->drq2_rid,
278 mss->drq2);
279 }
280 mss->drq2 = 0;
281 }
282 if (mss->drq1) {
283 isa_dma_release(rman_get_start(mss->drq1));
284 bus_release_resource(dev, SYS_RES_DRQ, mss->drq1_rid,
285 mss->drq1);
286 mss->drq1 = 0;
287 }
288 if (mss->io_base) {
289 bus_release_resource(dev, SYS_RES_IOPORT, mss->io_rid,
290 mss->io_base);
291 mss->io_base = 0;
292 }
293 if (mss->conf_base) {
294 bus_release_resource(dev, SYS_RES_IOPORT, mss->conf_rid,
295 mss->conf_base);
296 mss->conf_base = 0;
297 }
298 if (mss->indir) {
299 bus_release_resource(dev, SYS_RES_IOPORT, mss->indir_rid,
300 mss->indir);
301 mss->indir = 0;
302 }
303 if (mss->parent_dmat) {
304 bus_dma_tag_destroy(mss->parent_dmat);
305 mss->parent_dmat = 0;
306 }
307 if (mss->lock) snd_mtxfree(mss->lock);
308
309 free(mss, M_DEVBUF);
310 }
311
312 static int
313 mss_alloc_resources(struct mss_info *mss, device_t dev)
314 {
315 int pdma, rdma, ok = 1;
316 if (!mss->io_base)
317 mss->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
318 &mss->io_rid, RF_ACTIVE);
319 if (!mss->irq)
320 mss->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
321 &mss->irq_rid, RF_ACTIVE);
322 if (!mss->drq1)
323 mss->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
324 &mss->drq1_rid,
325 RF_ACTIVE);
326 if (mss->conf_rid >= 0 && !mss->conf_base)
327 mss->conf_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
328 &mss->conf_rid,
329 RF_ACTIVE);
330 if (mss->drq2_rid >= 0 && !mss->drq2)
331 mss->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
332 &mss->drq2_rid,
333 RF_ACTIVE);
334
335 if (!mss->io_base || !mss->drq1 || !mss->irq) ok = 0;
336 if (mss->conf_rid >= 0 && !mss->conf_base) ok = 0;
337 if (mss->drq2_rid >= 0 && !mss->drq2) ok = 0;
338
339 if (ok) {
340 pdma = rman_get_start(mss->drq1);
341 isa_dma_acquire(pdma);
342 isa_dmainit(pdma, mss->bufsize);
343 mss->bd_flags &= ~BD_F_DUPLEX;
344 if (mss->drq2) {
345 rdma = rman_get_start(mss->drq2);
346 isa_dma_acquire(rdma);
347 isa_dmainit(rdma, mss->bufsize);
348 mss->bd_flags |= BD_F_DUPLEX;
349 } else mss->drq2 = mss->drq1;
350 }
351 return ok;
352 }
353
354 /*
355 * The various mixers use a variety of bitmasks etc. The Voxware
356 * driver had a very nice technique to describe a mixer and interface
357 * to it. A table defines, for each channel, which register, bits,
358 * offset, polarity to use. This procedure creates the new value
359 * using the table and the old value.
360 */
361
362 static void
363 change_bits(mixer_tab *t, u_char *regval, int dev, int chn, int newval)
364 {
365 u_char mask;
366 int shift;
367
368 DEB(printf("ch_bits dev %d ch %d val %d old 0x%02x "
369 "r %d p %d bit %d off %d\n",
370 dev, chn, newval, *regval,
371 (*t)[dev][chn].regno, (*t)[dev][chn].polarity,
372 (*t)[dev][chn].nbits, (*t)[dev][chn].bitoffs ) );
373
374 if ( (*t)[dev][chn].polarity == 1) /* reverse */
375 newval = 100 - newval ;
376
377 mask = (1 << (*t)[dev][chn].nbits) - 1;
378 newval = (int) ((newval * mask) + 50) / 100; /* Scale it */
379 shift = (*t)[dev][chn].bitoffs /*- (*t)[dev][LEFT_CHN].nbits + 1*/;
380
381 *regval &= ~(mask << shift); /* Filter out the previous value */
382 *regval |= (newval & mask) << shift; /* Set the new value */
383 }
384
385 /* -------------------------------------------------------------------- */
386 /* only one source can be set... */
387 static int
388 mss_set_recsrc(struct mss_info *mss, int mask)
389 {
390 u_char recdev;
391
392 switch (mask) {
393 case SOUND_MASK_LINE:
394 case SOUND_MASK_LINE3:
395 recdev = 0;
396 break;
397
398 case SOUND_MASK_CD:
399 case SOUND_MASK_LINE1:
400 recdev = 0x40;
401 break;
402
403 case SOUND_MASK_IMIX:
404 recdev = 0xc0;
405 break;
406
407 case SOUND_MASK_MIC:
408 default:
409 mask = SOUND_MASK_MIC;
410 recdev = 0x80;
411 }
412 ad_write(mss, 0, (ad_read(mss, 0) & 0x3f) | recdev);
413 ad_write(mss, 1, (ad_read(mss, 1) & 0x3f) | recdev);
414 return mask;
415 }
416
417 /* there are differences in the mixer depending on the actual sound card. */
418 static int
419 mss_mixer_set(struct mss_info *mss, int dev, int left, int right)
420 {
421 int regoffs;
422 mixer_tab *mix_d;
423 u_char old, val;
424
425 switch (mss->bd_id) {
426 case MD_OPTI931:
427 mix_d = &opti931_devices;
428 break;
429 case MD_OPTI930:
430 mix_d = &opti930_devices;
431 break;
432 default:
433 mix_d = &mix_devices;
434 }
435
436 if ((*mix_d)[dev][LEFT_CHN].nbits == 0) {
437 DEB(printf("nbits = 0 for dev %d\n", dev));
438 return -1;
439 }
440
441 if ((*mix_d)[dev][RIGHT_CHN].nbits == 0) right = left; /* mono */
442
443 /* Set the left channel */
444
445 regoffs = (*mix_d)[dev][LEFT_CHN].regno;
446 old = val = ad_read(mss, regoffs);
447 /* if volume is 0, mute chan. Otherwise, unmute. */
448 if (regoffs != 0) val = (left == 0)? old | 0x80 : old & 0x7f;
449 change_bits(mix_d, &val, dev, LEFT_CHN, left);
450 ad_write(mss, regoffs, val);
451
452 DEB(printf("LEFT: dev %d reg %d old 0x%02x new 0x%02x\n",
453 dev, regoffs, old, val));
454
455 if ((*mix_d)[dev][RIGHT_CHN].nbits != 0) { /* have stereo */
456 /* Set the right channel */
457 regoffs = (*mix_d)[dev][RIGHT_CHN].regno;
458 old = val = ad_read(mss, regoffs);
459 if (regoffs != 1) val = (right == 0)? old | 0x80 : old & 0x7f;
460 change_bits(mix_d, &val, dev, RIGHT_CHN, right);
461 ad_write(mss, regoffs, val);
462
463 DEB(printf("RIGHT: dev %d reg %d old 0x%02x new 0x%02x\n",
464 dev, regoffs, old, val));
465 }
466 return 0; /* success */
467 }
468
469 /* -------------------------------------------------------------------- */
470
471 static int
472 mssmix_init(struct snd_mixer *m)
473 {
474 struct mss_info *mss = mix_getdevinfo(m);
475
476 mix_setdevs(m, MODE2_MIXER_DEVICES);
477 mix_setrecdevs(m, MSS_REC_DEVICES);
478 switch(mss->bd_id) {
479 case MD_OPTI930:
480 mix_setdevs(m, OPTI930_MIXER_DEVICES);
481 break;
482
483 case MD_OPTI931:
484 mix_setdevs(m, OPTI931_MIXER_DEVICES);
485 mss_lock(mss);
486 ad_write(mss, 20, 0x88);
487 ad_write(mss, 21, 0x88);
488 mss_unlock(mss);
489 break;
490
491 case MD_AD1848:
492 mix_setdevs(m, MODE1_MIXER_DEVICES);
493 break;
494
495 case MD_GUSPNP:
496 case MD_GUSMAX:
497 /* this is only necessary in mode 3 ... */
498 mss_lock(mss);
499 ad_write(mss, 22, 0x88);
500 ad_write(mss, 23, 0x88);
501 mss_unlock(mss);
502 break;
503 }
504 return 0;
505 }
506
507 static int
508 mssmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
509 {
510 struct mss_info *mss = mix_getdevinfo(m);
511
512 mss_lock(mss);
513 mss_mixer_set(mss, dev, left, right);
514 mss_unlock(mss);
515
516 return left | (right << 8);
517 }
518
519 static int
520 mssmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
521 {
522 struct mss_info *mss = mix_getdevinfo(m);
523
524 mss_lock(mss);
525 src = mss_set_recsrc(mss, src);
526 mss_unlock(mss);
527 return src;
528 }
529
530 static kobj_method_t mssmix_mixer_methods[] = {
531 KOBJMETHOD(mixer_init, mssmix_init),
532 KOBJMETHOD(mixer_set, mssmix_set),
533 KOBJMETHOD(mixer_setrecsrc, mssmix_setrecsrc),
534 { 0, 0 }
535 };
536 MIXER_DECLARE(mssmix_mixer);
537
538 /* -------------------------------------------------------------------- */
539
540 static int
541 ymmix_init(struct snd_mixer *m)
542 {
543 struct mss_info *mss = mix_getdevinfo(m);
544
545 mssmix_init(m);
546 mix_setdevs(m, mix_getdevs(m) | SOUND_MASK_VOLUME | SOUND_MASK_MIC
547 | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
548 /* Set master volume */
549 mss_lock(mss);
550 conf_wr(mss, OPL3SAx_VOLUMEL, 7);
551 conf_wr(mss, OPL3SAx_VOLUMER, 7);
552 mss_unlock(mss);
553
554 return 0;
555 }
556
557 static int
558 ymmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
559 {
560 struct mss_info *mss = mix_getdevinfo(m);
561 int t, l, r;
562
563 mss_lock(mss);
564 switch (dev) {
565 case SOUND_MIXER_VOLUME:
566 if (left) t = 15 - (left * 15) / 100;
567 else t = 0x80; /* mute */
568 conf_wr(mss, OPL3SAx_VOLUMEL, t);
569 if (right) t = 15 - (right * 15) / 100;
570 else t = 0x80; /* mute */
571 conf_wr(mss, OPL3SAx_VOLUMER, t);
572 break;
573
574 case SOUND_MIXER_MIC:
575 t = left;
576 if (left) t = 31 - (left * 31) / 100;
577 else t = 0x80; /* mute */
578 conf_wr(mss, OPL3SAx_MIC, t);
579 break;
580
581 case SOUND_MIXER_BASS:
582 l = (left * 7) / 100;
583 r = (right * 7) / 100;
584 t = (r << 4) | l;
585 conf_wr(mss, OPL3SAx_BASS, t);
586 break;
587
588 case SOUND_MIXER_TREBLE:
589 l = (left * 7) / 100;
590 r = (right * 7) / 100;
591 t = (r << 4) | l;
592 conf_wr(mss, OPL3SAx_TREBLE, t);
593 break;
594
595 default:
596 mss_mixer_set(mss, dev, left, right);
597 }
598 mss_unlock(mss);
599
600 return left | (right << 8);
601 }
602
603 static int
604 ymmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
605 {
606 struct mss_info *mss = mix_getdevinfo(m);
607 mss_lock(mss);
608 src = mss_set_recsrc(mss, src);
609 mss_unlock(mss);
610 return src;
611 }
612
613 static kobj_method_t ymmix_mixer_methods[] = {
614 KOBJMETHOD(mixer_init, ymmix_init),
615 KOBJMETHOD(mixer_set, ymmix_set),
616 KOBJMETHOD(mixer_setrecsrc, ymmix_setrecsrc),
617 { 0, 0 }
618 };
619 MIXER_DECLARE(ymmix_mixer);
620
621 /* -------------------------------------------------------------------- */
622 /*
623 * XXX This might be better off in the gusc driver.
624 */
625 static void
626 gusmax_setup(struct mss_info *mss, device_t dev, struct resource *alt)
627 {
628 static const unsigned char irq_bits[16] = {
629 0, 0, 0, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7
630 };
631 static const unsigned char dma_bits[8] = {
632 0, 1, 0, 2, 0, 3, 4, 5
633 };
634 device_t parent = device_get_parent(dev);
635 unsigned char irqctl, dmactl;
636 int s;
637
638 s = splhigh();
639
640 port_wr(alt, 0x0f, 0x05);
641 port_wr(alt, 0x00, 0x0c);
642 port_wr(alt, 0x0b, 0x00);
643
644 port_wr(alt, 0x0f, 0x00);
645
646 irqctl = irq_bits[isa_get_irq(parent)];
647 /* Share the IRQ with the MIDI driver. */
648 irqctl |= 0x40;
649 dmactl = dma_bits[isa_get_drq(parent)];
650 if (device_get_flags(parent) & DV_F_DUAL_DMA)
651 dmactl |= dma_bits[device_get_flags(parent) & DV_F_DRQ_MASK]
652 << 3;
653
654 /*
655 * Set the DMA and IRQ control latches.
656 */
657 port_wr(alt, 0x00, 0x0c);
658 port_wr(alt, 0x0b, dmactl | 0x80);
659 port_wr(alt, 0x00, 0x4c);
660 port_wr(alt, 0x0b, irqctl);
661
662 port_wr(alt, 0x00, 0x0c);
663 port_wr(alt, 0x0b, dmactl);
664 port_wr(alt, 0x00, 0x4c);
665 port_wr(alt, 0x0b, irqctl);
666
667 port_wr(mss->conf_base, 2, 0);
668 port_wr(alt, 0x00, 0x0c);
669 port_wr(mss->conf_base, 2, 0);
670
671 splx(s);
672 }
673
674 static int
675 mss_init(struct mss_info *mss, device_t dev)
676 {
677 u_char r6, r9;
678 struct resource *alt;
679 int rid, tmp;
680
681 mss->bd_flags |= BD_F_MCE_BIT;
682 switch(mss->bd_id) {
683 case MD_OPTI931:
684 /*
685 * The MED3931 v.1.0 allocates 3 bytes for the config
686 * space, whereas v.2.0 allocates 4 bytes. What I know
687 * for sure is that the upper two ports must be used,
688 * and they should end on a boundary of 4 bytes. So I
689 * need the following trick.
690 */
691 mss->opti_offset =
692 (rman_get_start(mss->conf_base) & ~3) + 2
693 - rman_get_start(mss->conf_base);
694 BVDDB(printf("mss_init: opti_offset=%d\n", mss->opti_offset));
695 opti_wr(mss, 4, 0xd6); /* fifo empty, OPL3, audio enable, SB3.2 */
696 ad_write(mss, 10, 2); /* enable interrupts */
697 opti_wr(mss, 6, 2); /* MCIR6: mss enable, sb disable */
698 opti_wr(mss, 5, 0x28); /* MCIR5: codec in exp. mode,fifo */
699 break;
700
701 case MD_GUSPNP:
702 case MD_GUSMAX:
703 gus_wr(mss, 0x4c /* _URSTI */, 0);/* Pull reset */
704 DELAY(1000 * 30);
705 /* release reset and enable DAC */
706 gus_wr(mss, 0x4c /* _URSTI */, 3);
707 DELAY(1000 * 30);
708 /* end of reset */
709
710 rid = 0;
711 alt = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
712 RF_ACTIVE);
713 if (alt == NULL) {
714 printf("XXX couldn't init GUS PnP/MAX\n");
715 break;
716 }
717 port_wr(alt, 0, 0xC); /* enable int and dma */
718 if (mss->bd_id == MD_GUSMAX)
719 gusmax_setup(mss, dev, alt);
720 bus_release_resource(dev, SYS_RES_IOPORT, rid, alt);
721
722 /*
723 * unmute left & right line. Need to go in mode3, unmute,
724 * and back to mode 2
725 */
726 tmp = ad_read(mss, 0x0c);
727 ad_write(mss, 0x0c, 0x6c); /* special value to enter mode 3 */
728 ad_write(mss, 0x19, 0); /* unmute left */
729 ad_write(mss, 0x1b, 0); /* unmute right */
730 ad_write(mss, 0x0c, tmp); /* restore old mode */
731
732 /* send codec interrupts on irq1 and only use that one */
733 gus_wr(mss, 0x5a, 0x4f);
734
735 /* enable access to hidden regs */
736 tmp = gus_rd(mss, 0x5b /* IVERI */);
737 gus_wr(mss, 0x5b, tmp | 1);
738 BVDDB(printf("GUS: silicon rev %c\n", 'A' + ((tmp & 0xf) >> 4)));
739 break;
740
741 case MD_YM0020:
742 conf_wr(mss, OPL3SAx_DMACONF, 0xa9); /* dma-b rec, dma-a play */
743 r6 = conf_rd(mss, OPL3SAx_DMACONF);
744 r9 = conf_rd(mss, OPL3SAx_MISC); /* version */
745 BVDDB(printf("Yamaha: ver 0x%x DMA config 0x%x\n", r6, r9);)
746 /* yamaha - set volume to max */
747 conf_wr(mss, OPL3SAx_VOLUMEL, 0);
748 conf_wr(mss, OPL3SAx_VOLUMER, 0);
749 conf_wr(mss, OPL3SAx_DMACONF, FULL_DUPLEX(mss)? 0xa9 : 0x8b);
750 break;
751 }
752 if (FULL_DUPLEX(mss) && mss->bd_id != MD_OPTI931)
753 ad_write(mss, 12, ad_read(mss, 12) | 0x40); /* mode 2 */
754 ad_enter_MCE(mss);
755 ad_write(mss, 9, FULL_DUPLEX(mss)? 0 : 4);
756 ad_leave_MCE(mss);
757 ad_write(mss, 10, 2); /* int enable */
758 io_wr(mss, MSS_STATUS, 0); /* Clear interrupt status */
759 /* the following seem required on the CS4232 */
760 ad_unmute(mss);
761 return 0;
762 }
763
764
765 /*
766 * main irq handler for the CS423x. The OPTi931 code is
767 * a separate one.
768 * The correct way to operate for a device with multiple internal
769 * interrupt sources is to loop on the status register and ack
770 * interrupts until all interrupts are served and none are reported. At
771 * this point the IRQ line to the ISA IRQ controller should go low
772 * and be raised at the next interrupt.
773 *
774 * Since the ISA IRQ controller is sent EOI _before_ passing control
775 * to the isr, it might happen that we serve an interrupt early, in
776 * which case the status register at the next interrupt should just
777 * say that there are no more interrupts...
778 */
779
780 static void
781 mss_intr(void *arg)
782 {
783 struct mss_info *mss = arg;
784 u_char c = 0, served = 0;
785 int i;
786
787 DEB(printf("mss_intr\n"));
788 mss_lock(mss);
789 ad_read(mss, 11); /* fake read of status bits */
790
791 /* loop until there are interrupts, but no more than 10 times. */
792 for (i = 10; i > 0 && io_rd(mss, MSS_STATUS) & 1; i--) {
793 /* get exact reason for full-duplex boards */
794 c = FULL_DUPLEX(mss)? ad_read(mss, 24) : 0x30;
795 c &= ~served;
796 if (sndbuf_runsz(mss->pch.buffer) && (c & 0x10)) {
797 served |= 0x10;
798 chn_intr(mss->pch.channel);
799 }
800 if (sndbuf_runsz(mss->rch.buffer) && (c & 0x20)) {
801 served |= 0x20;
802 chn_intr(mss->rch.channel);
803 }
804 /* now ack the interrupt */
805 if (FULL_DUPLEX(mss)) ad_write(mss, 24, ~c); /* ack selectively */
806 else io_wr(mss, MSS_STATUS, 0); /* Clear interrupt status */
807 }
808 if (i == 10) {
809 BVDDB(printf("mss_intr: irq, but not from mss\n"));
810 } else if (served == 0) {
811 BVDDB(printf("mss_intr: unexpected irq with reason %x\n", c));
812 /*
813 * this should not happen... I have no idea what to do now.
814 * maybe should do a sanity check and restart dmas ?
815 */
816 io_wr(mss, MSS_STATUS, 0); /* Clear interrupt status */
817 }
818 mss_unlock(mss);
819 }
820
821 /*
822 * AD_WAIT_INIT waits if we are initializing the board and
823 * we cannot modify its settings
824 */
825 static int
826 ad_wait_init(struct mss_info *mss, int x)
827 {
828 int arg = x, n = 0; /* to shut up the compiler... */
829 for (; x > 0; x--)
830 if ((n = io_rd(mss, MSS_INDEX)) & MSS_IDXBUSY) DELAY(10);
831 else return n;
832 printf("AD_WAIT_INIT FAILED %d 0x%02x\n", arg, n);
833 return n;
834 }
835
836 static int
837 ad_read(struct mss_info *mss, int reg)
838 {
839 int x;
840
841 ad_wait_init(mss, 201000);
842 x = io_rd(mss, MSS_INDEX) & ~MSS_IDXMASK;
843 io_wr(mss, MSS_INDEX, (u_char)(reg & MSS_IDXMASK) | x);
844 x = io_rd(mss, MSS_IDATA);
845 /* printf("ad_read %d, %x\n", reg, x); */
846 return x;
847 }
848
849 static void
850 ad_write(struct mss_info *mss, int reg, u_char data)
851 {
852 int x;
853
854 /* printf("ad_write %d, %x\n", reg, data); */
855 ad_wait_init(mss, 1002000);
856 x = io_rd(mss, MSS_INDEX) & ~MSS_IDXMASK;
857 io_wr(mss, MSS_INDEX, (u_char)(reg & MSS_IDXMASK) | x);
858 io_wr(mss, MSS_IDATA, data);
859 }
860
861 static void
862 ad_write_cnt(struct mss_info *mss, int reg, u_short cnt)
863 {
864 ad_write(mss, reg+1, cnt & 0xff);
865 ad_write(mss, reg, cnt >> 8); /* upper base must be last */
866 }
867
868 static void
869 wait_for_calibration(struct mss_info *mss)
870 {
871 int t;
872
873 /*
874 * Wait until the auto calibration process has finished.
875 *
876 * 1) Wait until the chip becomes ready (reads don't return 0x80).
877 * 2) Wait until the ACI bit of I11 gets on
878 * 3) Wait until the ACI bit of I11 gets off
879 */
880
881 t = ad_wait_init(mss, 1000000);
882 if (t & MSS_IDXBUSY) printf("mss: Auto calibration timed out(1).\n");
883
884 /*
885 * The calibration mode for chips that support it is set so that
886 * we never see ACI go on.
887 */
888 if (mss->bd_id == MD_GUSMAX || mss->bd_id == MD_GUSPNP) {
889 for (t = 100; t > 0 && (ad_read(mss, 11) & 0x20) == 0; t--);
890 } else {
891 /*
892 * XXX This should only be enabled for cards that *really*
893 * need it. Are there any?
894 */
895 for (t = 100; t > 0 && (ad_read(mss, 11) & 0x20) == 0; t--) DELAY(100);
896 }
897 for (t = 100; t > 0 && ad_read(mss, 11) & 0x20; t--) DELAY(100);
898 }
899
900 static void
901 ad_unmute(struct mss_info *mss)
902 {
903 ad_write(mss, 6, ad_read(mss, 6) & ~I6_MUTE);
904 ad_write(mss, 7, ad_read(mss, 7) & ~I6_MUTE);
905 }
906
907 static void
908 ad_enter_MCE(struct mss_info *mss)
909 {
910 int prev;
911
912 mss->bd_flags |= BD_F_MCE_BIT;
913 ad_wait_init(mss, 203000);
914 prev = io_rd(mss, MSS_INDEX);
915 prev &= ~MSS_TRD;
916 io_wr(mss, MSS_INDEX, prev | MSS_MCE);
917 }
918
919 static void
920 ad_leave_MCE(struct mss_info *mss)
921 {
922 u_char prev;
923
924 if ((mss->bd_flags & BD_F_MCE_BIT) == 0) {
925 DEB(printf("--- hey, leave_MCE: MCE bit was not set!\n"));
926 return;
927 }
928
929 ad_wait_init(mss, 1000000);
930
931 mss->bd_flags &= ~BD_F_MCE_BIT;
932
933 prev = io_rd(mss, MSS_INDEX);
934 prev &= ~MSS_TRD;
935 io_wr(mss, MSS_INDEX, prev & ~MSS_MCE); /* Clear the MCE bit */
936 wait_for_calibration(mss);
937 }
938
939 static int
940 mss_speed(struct mss_chinfo *ch, int speed)
941 {
942 struct mss_info *mss = ch->parent;
943 /*
944 * In the CS4231, the low 4 bits of I8 are used to hold the
945 * sample rate. Only a fixed number of values is allowed. This
946 * table lists them. The speed-setting routines scans the table
947 * looking for the closest match. This is the only supported method.
948 *
949 * In the CS4236, there is an alternate metod (which we do not
950 * support yet) which provides almost arbitrary frequency setting.
951 * In the AD1845, it looks like the sample rate can be
952 * almost arbitrary, and written directly to a register.
953 * In the OPTi931, there is a SB command which provides for
954 * almost arbitrary frequency setting.
955 *
956 */
957 ad_enter_MCE(mss);
958 if (mss->bd_id == MD_AD1845) { /* Use alternate speed select regs */
959 ad_write(mss, 22, (speed >> 8) & 0xff); /* Speed MSB */
960 ad_write(mss, 23, speed & 0xff); /* Speed LSB */
961 /* XXX must also do something in I27 for the ad1845 */
962 } else {
963 int i, sel = 0; /* assume entry 0 does not contain -1 */
964 static int speeds[] =
965 {8000, 5512, 16000, 11025, 27429, 18900, 32000, 22050,
966 -1, 37800, -1, 44100, 48000, 33075, 9600, 6615};
967
968 for (i = 1; i < 16; i++)
969 if (speeds[i] > 0 &&
970 abs(speed-speeds[i]) < abs(speed-speeds[sel])) sel = i;
971 speed = speeds[sel];
972 ad_write(mss, 8, (ad_read(mss, 8) & 0xf0) | sel);
973 }
974 ad_leave_MCE(mss);
975
976 return speed;
977 }
978
979 /*
980 * mss_format checks that the format is supported (or defaults to AFMT_U8)
981 * and returns the bit setting for the 1848 register corresponding to
982 * the desired format.
983 *
984 * fixed lr970724
985 */
986
987 static int
988 mss_format(struct mss_chinfo *ch, u_int32_t format)
989 {
990 struct mss_info *mss = ch->parent;
991 int i, arg = format & ~AFMT_STEREO;
992
993 /*
994 * The data format uses 3 bits (just 2 on the 1848). For each
995 * bit setting, the following array returns the corresponding format.
996 * The code scans the array looking for a suitable format. In
997 * case it is not found, default to AFMT_U8 (not such a good
998 * choice, but let's do it for compatibility...).
999 */
1000
1001 static int fmts[] =
1002 {AFMT_U8, AFMT_MU_LAW, AFMT_S16_LE, AFMT_A_LAW,
1003 -1, AFMT_IMA_ADPCM, AFMT_U16_BE, -1};
1004
1005 ch->fmt = format;
1006 for (i = 0; i < 8; i++) if (arg == fmts[i]) break;
1007 arg = i << 1;
1008 if (format & AFMT_STEREO) arg |= 1;
1009 arg <<= 4;
1010 ad_enter_MCE(mss);
1011 ad_write(mss, 8, (ad_read(mss, 8) & 0x0f) | arg);
1012 if (FULL_DUPLEX(mss)) ad_write(mss, 28, arg); /* capture mode */
1013 ad_leave_MCE(mss);
1014 return format;
1015 }
1016
1017 static int
1018 mss_trigger(struct mss_chinfo *ch, int go)
1019 {
1020 struct mss_info *mss = ch->parent;
1021 u_char m;
1022 int retry, wr, cnt, ss;
1023
1024 ss = 1;
1025 ss <<= (ch->fmt & AFMT_STEREO)? 1 : 0;
1026 ss <<= (ch->fmt & AFMT_16BIT)? 1 : 0;
1027
1028 wr = (ch->dir == PCMDIR_PLAY)? 1 : 0;
1029 m = ad_read(mss, 9);
1030 switch (go) {
1031 case PCMTRIG_START:
1032 cnt = (ch->blksz / ss) - 1;
1033
1034 DEB(if (m & 4) printf("OUCH! reg 9 0x%02x\n", m););
1035 m |= wr? I9_PEN : I9_CEN; /* enable DMA */
1036 ad_write_cnt(mss, (wr || !FULL_DUPLEX(mss))? 14 : 30, cnt);
1037 break;
1038
1039 case PCMTRIG_STOP:
1040 case PCMTRIG_ABORT: /* XXX check this... */
1041 m &= ~(wr? I9_PEN : I9_CEN); /* Stop DMA */
1042 #if 0
1043 /*
1044 * try to disable DMA by clearing count registers. Not sure it
1045 * is needed, and it might cause false interrupts when the
1046 * DMA is re-enabled later.
1047 */
1048 ad_write_cnt(mss, (wr || !FULL_DUPLEX(mss))? 14 : 30, 0);
1049 #endif
1050 }
1051 /* on the OPTi931 the enable bit seems hard to set... */
1052 for (retry = 10; retry > 0; retry--) {
1053 ad_write(mss, 9, m);
1054 if (ad_read(mss, 9) == m) break;
1055 }
1056 if (retry == 0) BVDDB(printf("stop dma, failed to set bit 0x%02x 0x%02x\n", \
1057 m, ad_read(mss, 9)));
1058 return 0;
1059 }
1060
1061
1062 /*
1063 * the opti931 seems to miss interrupts when working in full
1064 * duplex, so we try some heuristics to catch them.
1065 */
1066 static void
1067 opti931_intr(void *arg)
1068 {
1069 struct mss_info *mss = (struct mss_info *)arg;
1070 u_char masked = 0, i11, mc11, c = 0;
1071 u_char reason; /* b0 = playback, b1 = capture, b2 = timer */
1072 int loops = 10;
1073
1074 #if 0
1075 reason = io_rd(mss, MSS_STATUS);
1076 if (!(reason & 1)) {/* no int, maybe a shared line ? */
1077 DEB(printf("intr: flag 0, mcir11 0x%02x\n", ad_read(mss, 11)));
1078 return;
1079 }
1080 #endif
1081 mss_lock(mss);
1082 i11 = ad_read(mss, 11); /* XXX what's for ? */
1083 again:
1084
1085 c = mc11 = FULL_DUPLEX(mss)? opti_rd(mss, 11) : 0xc;
1086 mc11 &= 0x0c;
1087 if (c & 0x10) {
1088 DEB(printf("Warning: CD interrupt\n");)
1089 mc11 |= 0x10;
1090 }
1091 if (c & 0x20) {
1092 DEB(printf("Warning: MPU interrupt\n");)
1093 mc11 |= 0x20;
1094 }
1095 if (mc11 & masked) BVDDB(printf("irq reset failed, mc11 0x%02x, 0x%02x\n",\
1096 mc11, masked));
1097 masked |= mc11;
1098 /*
1099 * the nice OPTi931 sets the IRQ line before setting the bits in
1100 * mc11. So, on some occasions I have to retry (max 10 times).
1101 */
1102 if (mc11 == 0) { /* perhaps can return ... */
1103 reason = io_rd(mss, MSS_STATUS);
1104 if (reason & 1) {
1105 DEB(printf("one more try...\n");)
1106 if (--loops) goto again;
1107 else BVDDB(printf("intr, but mc11 not set\n");)
1108 }
1109 if (loops == 0) BVDDB(printf("intr, nothing in mcir11 0x%02x\n", mc11));
1110 mss_unlock(mss);
1111 return;
1112 }
1113
1114 if (sndbuf_runsz(mss->rch.buffer) && (mc11 & 8)) chn_intr(mss->rch.channel);
1115 if (sndbuf_runsz(mss->pch.buffer) && (mc11 & 4)) chn_intr(mss->pch.channel);
1116 opti_wr(mss, 11, ~mc11); /* ack */
1117 if (--loops) goto again;
1118 mss_unlock(mss);
1119 DEB(printf("xxx too many loops\n");)
1120 }
1121
1122 /* -------------------------------------------------------------------- */
1123 /* channel interface */
1124 static void *
1125 msschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
1126 {
1127 struct mss_info *mss = devinfo;
1128 struct mss_chinfo *ch = (dir == PCMDIR_PLAY)? &mss->pch : &mss->rch;
1129
1130 ch->parent = mss;
1131 ch->channel = c;
1132 ch->buffer = b;
1133 ch->dir = dir;
1134 if (sndbuf_alloc(ch->buffer, mss->parent_dmat, mss->bufsize) != 0)
1135 return NULL;
1136 sndbuf_dmasetup(ch->buffer, (dir == PCMDIR_PLAY)? mss->drq1 : mss->drq2);
1137 return ch;
1138 }
1139
1140 static int
1141 msschan_setformat(kobj_t obj, void *data, u_int32_t format)
1142 {
1143 struct mss_chinfo *ch = data;
1144 struct mss_info *mss = ch->parent;
1145
1146 mss_lock(mss);
1147 mss_format(ch, format);
1148 mss_unlock(mss);
1149 return 0;
1150 }
1151
1152 static int
1153 msschan_setspeed(kobj_t obj, void *data, u_int32_t speed)
1154 {
1155 struct mss_chinfo *ch = data;
1156 struct mss_info *mss = ch->parent;
1157 int r;
1158
1159 mss_lock(mss);
1160 r = mss_speed(ch, speed);
1161 mss_unlock(mss);
1162
1163 return r;
1164 }
1165
1166 static int
1167 msschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
1168 {
1169 struct mss_chinfo *ch = data;
1170
1171 ch->blksz = blocksize;
1172 sndbuf_resize(ch->buffer, 2, ch->blksz);
1173
1174 return ch->blksz;
1175 }
1176
1177 static int
1178 msschan_trigger(kobj_t obj, void *data, int go)
1179 {
1180 struct mss_chinfo *ch = data;
1181 struct mss_info *mss = ch->parent;
1182
1183 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
1184 return 0;
1185
1186 sndbuf_dma(ch->buffer, go);
1187 mss_lock(mss);
1188 mss_trigger(ch, go);
1189 mss_unlock(mss);
1190 return 0;
1191 }
1192
1193 static int
1194 msschan_getptr(kobj_t obj, void *data)
1195 {
1196 struct mss_chinfo *ch = data;
1197 return sndbuf_dmaptr(ch->buffer);
1198 }
1199
1200 static struct pcmchan_caps *
1201 msschan_getcaps(kobj_t obj, void *data)
1202 {
1203 struct mss_chinfo *ch = data;
1204
1205 switch(ch->parent->bd_id) {
1206 case MD_OPTI931:
1207 return &opti931_caps;
1208 break;
1209
1210 case MD_GUSPNP:
1211 case MD_GUSMAX:
1212 return &guspnp_caps;
1213 break;
1214
1215 default:
1216 return &mss_caps;
1217 break;
1218 }
1219 }
1220
1221 static kobj_method_t msschan_methods[] = {
1222 KOBJMETHOD(channel_init, msschan_init),
1223 KOBJMETHOD(channel_setformat, msschan_setformat),
1224 KOBJMETHOD(channel_setspeed, msschan_setspeed),
1225 KOBJMETHOD(channel_setblocksize, msschan_setblocksize),
1226 KOBJMETHOD(channel_trigger, msschan_trigger),
1227 KOBJMETHOD(channel_getptr, msschan_getptr),
1228 KOBJMETHOD(channel_getcaps, msschan_getcaps),
1229 { 0, 0 }
1230 };
1231 CHANNEL_DECLARE(msschan);
1232
1233 /* -------------------------------------------------------------------- */
1234
1235 /*
1236 * mss_probe() is the probe routine. Note, it is not necessary to
1237 * go through this for PnP devices, since they are already
1238 * indentified precisely using their PnP id.
1239 *
1240 * The base address supplied in the device refers to the old MSS
1241 * specs where the four 4 registers in io space contain configuration
1242 * information. Some boards (as an example, early MSS boards)
1243 * has such a block of registers, whereas others (generally CS42xx)
1244 * do not. In order to distinguish between the two and do not have
1245 * to supply two separate probe routines, the flags entry in isa_device
1246 * has a bit to mark this.
1247 *
1248 */
1249
1250 static int
1251 mss_probe(device_t dev)
1252 {
1253 u_char tmp, tmpx;
1254 int flags, irq, drq, result = ENXIO, setres = 0;
1255 struct mss_info *mss;
1256
1257 if (isa_get_logicalid(dev)) return ENXIO; /* not yet */
1258
1259 mss = (struct mss_info *)malloc(sizeof *mss, M_DEVBUF, M_NOWAIT | M_ZERO);
1260 if (!mss) return ENXIO;
1261
1262 mss->io_rid = 0;
1263 mss->conf_rid = -1;
1264 mss->irq_rid = 0;
1265 mss->drq1_rid = 0;
1266 mss->drq2_rid = -1;
1267 mss->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &mss->io_rid,
1268 0, ~0, 8, RF_ACTIVE);
1269 if (!mss->io_base) {
1270 BVDDB(printf("mss_probe: no address given, try 0x%x\n", 0x530));
1271 mss->io_rid = 0;
1272 /* XXX verify this */
1273 setres = 1;
1274 bus_set_resource(dev, SYS_RES_IOPORT, mss->io_rid,
1275 0x530, 8);
1276 mss->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &mss->io_rid,
1277 0, ~0, 8, RF_ACTIVE);
1278 }
1279 if (!mss->io_base) goto no;
1280
1281 /* got irq/dma regs? */
1282 flags = device_get_flags(dev);
1283 irq = isa_get_irq(dev);
1284 drq = isa_get_drq(dev);
1285
1286 if (!(device_get_flags(dev) & DV_F_TRUE_MSS)) goto mss_probe_end;
1287
1288 /*
1289 * Check if the IO port returns valid signature. The original MS
1290 * Sound system returns 0x04 while some cards
1291 * (AudioTriX Pro for example) return 0x00 or 0x0f.
1292 */
1293
1294 device_set_desc(dev, "MSS");
1295 tmpx = tmp = io_rd(mss, 3);
1296 if (tmp == 0xff) { /* Bus float */
1297 BVDDB(printf("I/O addr inactive (%x), try pseudo_mss\n", tmp));
1298 device_set_flags(dev, flags & ~DV_F_TRUE_MSS);
1299 goto mss_probe_end;
1300 }
1301 tmp &= 0x3f;
1302 if (!(tmp == 0x04 || tmp == 0x0f || tmp == 0x00)) {
1303 BVDDB(printf("No MSS signature detected on port 0x%lx (0x%x)\n",
1304 rman_get_start(mss->io_base), tmpx));
1305 goto no;
1306 }
1307 #ifdef PC98
1308 if (irq > 12) {
1309 #else
1310 if (irq > 11) {
1311 #endif
1312 printf("MSS: Bad IRQ %d\n", irq);
1313 goto no;
1314 }
1315 if (!(drq == 0 || drq == 1 || drq == 3)) {
1316 printf("MSS: Bad DMA %d\n", drq);
1317 goto no;
1318 }
1319 if (tmpx & 0x80) {
1320 /* 8-bit board: only drq1/3 and irq7/9 */
1321 if (drq == 0) {
1322 printf("MSS: Can't use DMA0 with a 8 bit card/slot\n");
1323 goto no;
1324 }
1325 if (!(irq == 7 || irq == 9)) {
1326 printf("MSS: Can't use IRQ%d with a 8 bit card/slot\n",
1327 irq);
1328 goto no;
1329 }
1330 }
1331 mss_probe_end:
1332 result = mss_detect(dev, mss);
1333 no:
1334 mss_release_resources(mss, dev);
1335 #if 0
1336 if (setres) ISA_DELETE_RESOURCE(device_get_parent(dev), dev,
1337 SYS_RES_IOPORT, mss->io_rid); /* XXX ? */
1338 #endif
1339 return result;
1340 }
1341
1342 static int
1343 mss_detect(device_t dev, struct mss_info *mss)
1344 {
1345 int i;
1346 u_char tmp = 0, tmp1, tmp2;
1347 char *name, *yamaha;
1348
1349 if (mss->bd_id != 0) {
1350 device_printf(dev, "presel bd_id 0x%04x -- %s\n", mss->bd_id,
1351 device_get_desc(dev));
1352 return 0;
1353 }
1354
1355 name = "AD1848";
1356 mss->bd_id = MD_AD1848; /* AD1848 or CS4248 */
1357
1358 if (opti_detect(dev, mss)) {
1359 switch (mss->bd_id) {
1360 case MD_OPTI924:
1361 name = "OPTi924";
1362 break;
1363 case MD_OPTI930:
1364 name = "OPTi930";
1365 break;
1366 }
1367 printf("Found OPTi device %s\n", name);
1368 if (opti_init(dev, mss) == 0) goto gotit;
1369 }
1370
1371 /*
1372 * Check that the I/O address is in use.
1373 *
1374 * bit 7 of the base I/O port is known to be 0 after the chip has
1375 * performed its power on initialization. Just assume this has
1376 * happened before the OS is starting.
1377 *
1378 * If the I/O address is unused, it typically returns 0xff.
1379 */
1380
1381 for (i = 0; i < 10; i++)
1382 if ((tmp = io_rd(mss, MSS_INDEX)) & MSS_IDXBUSY) DELAY(10000);
1383 else break;
1384
1385 if (i >= 10) { /* Not an AD1848 */
1386 BVDDB(printf("mss_detect, busy still set (0x%02x)\n", tmp));
1387 goto no;
1388 }
1389 /*
1390 * Test if it's possible to change contents of the indirect
1391 * registers. Registers 0 and 1 are ADC volume registers. The bit
1392 * 0x10 is read only so try to avoid using it.
1393 */
1394
1395 ad_write(mss, 0, 0xaa);
1396 ad_write(mss, 1, 0x45);/* 0x55 with bit 0x10 clear */
1397 tmp1 = ad_read(mss, 0);
1398 tmp2 = ad_read(mss, 1);
1399 if (tmp1 != 0xaa || tmp2 != 0x45) {
1400 BVDDB(printf("mss_detect error - IREG (%x/%x)\n", tmp1, tmp2));
1401 goto no;
1402 }
1403
1404 ad_write(mss, 0, 0x45);
1405 ad_write(mss, 1, 0xaa);
1406 tmp1 = ad_read(mss, 0);
1407 tmp2 = ad_read(mss, 1);
1408 if (tmp1 != 0x45 || tmp2 != 0xaa) {
1409 BVDDB(printf("mss_detect error - IREG2 (%x/%x)\n", tmp1, tmp2));
1410 goto no;
1411 }
1412
1413 /*
1414 * The indirect register I12 has some read only bits. Lets try to
1415 * change them.
1416 */
1417
1418 tmp = ad_read(mss, 12);
1419 ad_write(mss, 12, (~tmp) & 0x0f);
1420 tmp1 = ad_read(mss, 12);
1421
1422 if ((tmp & 0x0f) != (tmp1 & 0x0f)) {
1423 BVDDB(printf("mss_detect - I12 (0x%02x was 0x%02x)\n", tmp1, tmp));
1424 goto no;
1425 }
1426
1427 /*
1428 * NOTE! Last 4 bits of the reg I12 tell the chip revision.
1429 * 0x01=RevB
1430 * 0x0A=RevC. also CS4231/CS4231A and OPTi931
1431 */
1432
1433 BVDDB(printf("mss_detect - chip revision 0x%02x\n", tmp & 0x0f);)
1434
1435 /*
1436 * The original AD1848/CS4248 has just 16 indirect registers. This
1437 * means that I0 and I16 should return the same value (etc.). Ensure
1438 * that the Mode2 enable bit of I12 is 0. Otherwise this test fails
1439 * with new parts.
1440 */
1441
1442 ad_write(mss, 12, 0); /* Mode2=disabled */
1443 #if 0
1444 for (i = 0; i < 16; i++) {
1445 if ((tmp1 = ad_read(mss, i)) != (tmp2 = ad_read(mss, i + 16))) {
1446 BVDDB(printf("mss_detect warning - I%d: 0x%02x/0x%02x\n",
1447 i, tmp1, tmp2));
1448 /*
1449 * note - this seems to fail on the 4232 on I11. So we just break
1450 * rather than fail. (which makes this test pointless - cg)
1451 */
1452 break; /* return 0; */
1453 }
1454 }
1455 #endif
1456 /*
1457 * Try to switch the chip to mode2 (CS4231) by setting the MODE2 bit
1458 * (0x40). The bit 0x80 is always 1 in CS4248 and CS4231.
1459 *
1460 * On the OPTi931, however, I12 is readonly and only contains the
1461 * chip revision ID (as in the CS4231A). The upper bits return 0.
1462 */
1463
1464 ad_write(mss, 12, 0x40); /* Set mode2, clear 0x80 */
1465
1466 tmp1 = ad_read(mss, 12);
1467 if (tmp1 & 0x80) name = "CS4248"; /* Our best knowledge just now */
1468 if ((tmp1 & 0xf0) == 0x00) {
1469 BVDDB(printf("this should be an OPTi931\n");)
1470 } else if ((tmp1 & 0xc0) != 0xC0) goto gotit;
1471 /*
1472 * The 4231 has bit7=1 always, and bit6 we just set to 1.
1473 * We want to check that this is really a CS4231
1474 * Verify that setting I0 doesn't change I16.
1475 */
1476 ad_write(mss, 16, 0); /* Set I16 to known value */
1477 ad_write(mss, 0, 0x45);
1478 if ((tmp1 = ad_read(mss, 16)) == 0x45) goto gotit;
1479
1480 ad_write(mss, 0, 0xaa);
1481 if ((tmp1 = ad_read(mss, 16)) == 0xaa) { /* Rotten bits? */
1482 BVDDB(printf("mss_detect error - step H(%x)\n", tmp1));
1483 goto no;
1484 }
1485 /* Verify that some bits of I25 are read only. */
1486 tmp1 = ad_read(mss, 25); /* Original bits */
1487 ad_write(mss, 25, ~tmp1); /* Invert all bits */
1488 if ((ad_read(mss, 25) & 0xe7) == (tmp1 & 0xe7)) {
1489 int id;
1490
1491 /* It's at least CS4231 */
1492 name = "CS4231";
1493 mss->bd_id = MD_CS42XX;
1494
1495 /*
1496 * It could be an AD1845 or CS4231A as well.
1497 * CS4231 and AD1845 report the same revision info in I25
1498 * while the CS4231A reports different.
1499 */
1500
1501 id = ad_read(mss, 25) & 0xe7;
1502 /*
1503 * b7-b5 = version number;
1504 * 100 : all CS4231
1505 * 101 : CS4231A
1506 *
1507 * b2-b0 = chip id;
1508 */
1509 switch (id) {
1510
1511 case 0xa0:
1512 name = "CS4231A";
1513 mss->bd_id = MD_CS42XX;
1514 break;
1515
1516 case 0xa2:
1517 name = "CS4232";
1518 mss->bd_id = MD_CS42XX;
1519 break;
1520
1521 case 0xb2:
1522 /* strange: the 4231 data sheet says b4-b3 are XX
1523 * so this should be the same as 0xa2
1524 */
1525 name = "CS4232A";
1526 mss->bd_id = MD_CS42XX;
1527 break;
1528
1529 case 0x80:
1530 /*
1531 * It must be a CS4231 or AD1845. The register I23
1532 * of CS4231 is undefined and it appears to be read
1533 * only. AD1845 uses I23 for setting sample rate.
1534 * Assume the chip is AD1845 if I23 is changeable.
1535 */
1536
1537 tmp = ad_read(mss, 23);
1538
1539 ad_write(mss, 23, ~tmp);
1540 if (ad_read(mss, 23) != tmp) { /* AD1845 ? */
1541 name = "AD1845";
1542 mss->bd_id = MD_AD1845;
1543 }
1544 ad_write(mss, 23, tmp); /* Restore */
1545
1546 yamaha = ymf_test(dev, mss);
1547 if (yamaha) {
1548 mss->bd_id = MD_YM0020;
1549 name = yamaha;
1550 }
1551 break;
1552
1553 case 0x83: /* CS4236 */
1554 case 0x03: /* CS4236 on Intel PR440FX motherboard XXX */
1555 name = "CS4236";
1556 mss->bd_id = MD_CS42XX;
1557 break;
1558
1559 default: /* Assume CS4231 */
1560 BVDDB(printf("unknown id 0x%02x, assuming CS4231\n", id);)
1561 mss->bd_id = MD_CS42XX;
1562 }
1563 }
1564 ad_write(mss, 25, tmp1); /* Restore bits */
1565 gotit:
1566 BVDDB(printf("mss_detect() - Detected %s\n", name));
1567 device_set_desc(dev, name);
1568 device_set_flags(dev,
1569 ((device_get_flags(dev) & ~DV_F_DEV_MASK) |
1570 ((mss->bd_id << DV_F_DEV_SHIFT) & DV_F_DEV_MASK)));
1571 return 0;
1572 no:
1573 return ENXIO;
1574 }
1575
1576 static int
1577 opti_detect(device_t dev, struct mss_info *mss)
1578 {
1579 int c;
1580 static const struct opticard {
1581 int boardid;
1582 int passwdreg;
1583 int password;
1584 int base;
1585 int indir_reg;
1586 } cards[] = {
1587 { MD_OPTI930, 0, 0xe4, 0xf8f, 0xe0e }, /* 930 */
1588 { MD_OPTI924, 3, 0xe5, 0xf8c, 0, }, /* 924 */
1589 { 0 },
1590 };
1591 mss->conf_rid = 3;
1592 mss->indir_rid = 4;
1593 for (c = 0; cards[c].base; c++) {
1594 mss->optibase = cards[c].base;
1595 mss->password = cards[c].password;
1596 mss->passwdreg = cards[c].passwdreg;
1597 mss->bd_id = cards[c].boardid;
1598
1599 if (cards[c].indir_reg)
1600 mss->indir = bus_alloc_resource(dev, SYS_RES_IOPORT,
1601 &mss->indir_rid, cards[c].indir_reg,
1602 cards[c].indir_reg+1, 1, RF_ACTIVE);
1603
1604 mss->conf_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
1605 &mss->conf_rid, mss->optibase, mss->optibase+9,
1606 9, RF_ACTIVE);
1607
1608 if (opti_read(mss, 1) != 0xff) {
1609 return 1;
1610 } else {
1611 if (mss->indir)
1612 bus_release_resource(dev, SYS_RES_IOPORT, mss->indir_rid, mss->indir);
1613 mss->indir = NULL;
1614 if (mss->conf_base)
1615 bus_release_resource(dev, SYS_RES_IOPORT, mss->conf_rid, mss->conf_base);
1616 mss->conf_base = NULL;
1617 }
1618 }
1619 return 0;
1620 }
1621
1622 static char *
1623 ymf_test(device_t dev, struct mss_info *mss)
1624 {
1625 static int ports[] = {0x370, 0x310, 0x538};
1626 int p, i, j, version;
1627 static char *chipset[] = {
1628 NULL, /* 0 */
1629 "OPL3-SA2 (YMF711)", /* 1 */
1630 "OPL3-SA3 (YMF715)", /* 2 */
1631 "OPL3-SA3 (YMF715)", /* 3 */
1632 "OPL3-SAx (YMF719)", /* 4 */
1633 "OPL3-SAx (YMF719)", /* 5 */
1634 "OPL3-SAx (YMF719)", /* 6 */
1635 "OPL3-SAx (YMF719)", /* 7 */
1636 };
1637
1638 for (p = 0; p < 3; p++) {
1639 mss->conf_rid = 1;
1640 mss->conf_base = bus_alloc_resource(dev,
1641 SYS_RES_IOPORT,
1642 &mss->conf_rid,
1643 ports[p], ports[p] + 1, 2,
1644 RF_ACTIVE);
1645 if (!mss->conf_base) return 0;
1646
1647 /* Test the index port of the config registers */
1648 i = port_rd(mss->conf_base, 0);
1649 port_wr(mss->conf_base, 0, OPL3SAx_DMACONF);
1650 j = (port_rd(mss->conf_base, 0) == OPL3SAx_DMACONF)? 1 : 0;
1651 port_wr(mss->conf_base, 0, i);
1652 if (!j) {
1653 bus_release_resource(dev, SYS_RES_IOPORT,
1654 mss->conf_rid, mss->conf_base);
1655 #ifdef PC98
1656 /* PC98 need this. I don't know reason why. */
1657 bus_delete_resource(dev, SYS_RES_IOPORT, mss->conf_rid);
1658 #endif
1659 mss->conf_base = 0;
1660 continue;
1661 }
1662 version = conf_rd(mss, OPL3SAx_MISC) & 0x07;
1663 return chipset[version];
1664 }
1665 return NULL;
1666 }
1667
1668 static int
1669 mss_doattach(device_t dev, struct mss_info *mss)
1670 {
1671 int pdma, rdma, flags = device_get_flags(dev);
1672 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
1673
1674 mss->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc");
1675 mss->bufsize = pcm_getbuffersize(dev, 4096, MSS_DEFAULT_BUFSZ, 65536);
1676 if (!mss_alloc_resources(mss, dev)) goto no;
1677 mss_init(mss, dev);
1678 pdma = rman_get_start(mss->drq1);
1679 rdma = rman_get_start(mss->drq2);
1680 if (flags & DV_F_TRUE_MSS) {
1681 /* has IRQ/DMA registers, set IRQ and DMA addr */
1682 #ifdef PC98 /* CS423[12] in PC98 can use IRQ3,5,10,12 */
1683 static char interrupt_bits[13] =
1684 {-1, -1, -1, 0x08, -1, 0x10, -1, -1, -1, -1, 0x18, -1, 0x20};
1685 #else
1686 static char interrupt_bits[12] =
1687 {-1, -1, -1, -1, -1, 0x28, -1, 0x08, -1, 0x10, 0x18, 0x20};
1688 #endif
1689 static char pdma_bits[4] = {1, 2, -1, 3};
1690 static char valid_rdma[4] = {1, 0, -1, 0};
1691 char bits;
1692
1693 if (!mss->irq || (bits = interrupt_bits[rman_get_start(mss->irq)]) == -1)
1694 goto no;
1695 #ifndef PC98 /* CS423[12] in PC98 don't support this. */
1696 io_wr(mss, 0, bits | 0x40); /* config port */
1697 if ((io_rd(mss, 3) & 0x40) == 0) device_printf(dev, "IRQ Conflict?\n");
1698 #endif
1699 /* Write IRQ+DMA setup */
1700 if (pdma_bits[pdma] == -1) goto no;
1701 bits |= pdma_bits[pdma];
1702 if (pdma != rdma) {
1703 if (rdma == valid_rdma[pdma]) bits |= 4;
1704 else {
1705 printf("invalid dual dma config %d:%d\n", pdma, rdma);
1706 goto no;
1707 }
1708 }
1709 io_wr(mss, 0, bits);
1710 printf("drq/irq conf %x\n", io_rd(mss, 0));
1711 }
1712 mixer_init(dev, (mss->bd_id == MD_YM0020)? &ymmix_mixer_class : &mssmix_mixer_class, mss);
1713 switch (mss->bd_id) {
1714 case MD_OPTI931:
1715 snd_setup_intr(dev, mss->irq, 0, opti931_intr, mss, &mss->ih);
1716 break;
1717 default:
1718 snd_setup_intr(dev, mss->irq, 0, mss_intr, mss, &mss->ih);
1719 }
1720 if (pdma == rdma)
1721 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
1722 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
1723 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
1724 /*highaddr*/BUS_SPACE_MAXADDR,
1725 /*filter*/NULL, /*filterarg*/NULL,
1726 /*maxsize*/mss->bufsize, /*nsegments*/1,
1727 /*maxsegz*/0x3ffff, /*flags*/0,
1728 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
1729 &mss->parent_dmat) != 0) {
1730 device_printf(dev, "unable to create dma tag\n");
1731 goto no;
1732 }
1733
1734 if (pdma != rdma)
1735 snprintf(status2, SND_STATUSLEN, ":%d", rdma);
1736 else
1737 status2[0] = '\0';
1738
1739 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %d%s bufsz %u",
1740 rman_get_start(mss->io_base), rman_get_start(mss->irq), pdma, status2, mss->bufsize);
1741
1742 if (pcm_register(dev, mss, 1, 1)) goto no;
1743 pcm_addchan(dev, PCMDIR_REC, &msschan_class, mss);
1744 pcm_addchan(dev, PCMDIR_PLAY, &msschan_class, mss);
1745 pcm_setstatus(dev, status);
1746
1747 return 0;
1748 no:
1749 mss_release_resources(mss, dev);
1750 return ENXIO;
1751 }
1752
1753 static int
1754 mss_detach(device_t dev)
1755 {
1756 int r;
1757 struct mss_info *mss;
1758
1759 r = pcm_unregister(dev);
1760 if (r)
1761 return r;
1762
1763 mss = pcm_getdevinfo(dev);
1764 mss_release_resources(mss, dev);
1765
1766 return 0;
1767 }
1768
1769 static int
1770 mss_attach(device_t dev)
1771 {
1772 struct mss_info *mss;
1773 int flags = device_get_flags(dev);
1774
1775 mss = (struct mss_info *)malloc(sizeof *mss, M_DEVBUF, M_NOWAIT | M_ZERO);
1776 if (!mss) return ENXIO;
1777
1778 mss->io_rid = 0;
1779 mss->conf_rid = -1;
1780 mss->irq_rid = 0;
1781 mss->drq1_rid = 0;
1782 mss->drq2_rid = -1;
1783 if (flags & DV_F_DUAL_DMA) {
1784 bus_set_resource(dev, SYS_RES_DRQ, 1,
1785 flags & DV_F_DRQ_MASK, 1);
1786 mss->drq2_rid = 1;
1787 }
1788 mss->bd_id = (device_get_flags(dev) & DV_F_DEV_MASK) >> DV_F_DEV_SHIFT;
1789 if (mss->bd_id == MD_YM0020) ymf_test(dev, mss);
1790 return mss_doattach(dev, mss);
1791 }
1792
1793 /*
1794 * mss_resume() is the code to allow a laptop to resume using the sound
1795 * card.
1796 *
1797 * This routine re-sets the state of the board to the state before going
1798 * to sleep. According to the yamaha docs this is the right thing to do,
1799 * but getting DMA restarted appears to be a bit of a trick, so the device
1800 * has to be closed and re-opened to be re-used, but there is no skipping
1801 * problem, and volume, bass/treble and most other things are restored
1802 * properly.
1803 *
1804 */
1805
1806 static int
1807 mss_resume(device_t dev)
1808 {
1809 /*
1810 * Restore the state taken below.
1811 */
1812 struct mss_info *mss;
1813 int i;
1814
1815 mss = pcm_getdevinfo(dev);
1816
1817 if(mss->bd_id == MD_YM0020 || mss->bd_id == MD_CS423X) {
1818 /* This works on a Toshiba Libretto 100CT. */
1819 for (i = 0; i < MSS_INDEXED_REGS; i++)
1820 ad_write(mss, i, mss->mss_indexed_regs[i]);
1821 for (i = 0; i < OPL_INDEXED_REGS; i++)
1822 conf_wr(mss, i, mss->opl_indexed_regs[i]);
1823 mss_intr(mss);
1824 }
1825
1826 if (mss->bd_id == MD_CS423X) {
1827 /* Needed on IBM Thinkpad 600E */
1828 mss_lock(mss);
1829 mss_format(&mss->pch, mss->pch.channel->format);
1830 mss_speed(&mss->pch, mss->pch.channel->speed);
1831 mss_unlock(mss);
1832 }
1833
1834 return 0;
1835
1836 }
1837
1838 /*
1839 * mss_suspend() is the code that gets called right before a laptop
1840 * suspends.
1841 *
1842 * This code saves the state of the sound card right before shutdown
1843 * so it can be restored above.
1844 *
1845 */
1846
1847 static int
1848 mss_suspend(device_t dev)
1849 {
1850 int i;
1851 struct mss_info *mss;
1852
1853 mss = pcm_getdevinfo(dev);
1854
1855 if(mss->bd_id == MD_YM0020 || mss->bd_id == MD_CS423X)
1856 {
1857 /* this stops playback. */
1858 conf_wr(mss, 0x12, 0x0c);
1859 for(i = 0; i < MSS_INDEXED_REGS; i++)
1860 mss->mss_indexed_regs[i] = ad_read(mss, i);
1861 for(i = 0; i < OPL_INDEXED_REGS; i++)
1862 mss->opl_indexed_regs[i] = conf_rd(mss, i);
1863 mss->opl_indexed_regs[0x12] = 0x0;
1864 }
1865 return 0;
1866 }
1867
1868 static device_method_t mss_methods[] = {
1869 /* Device interface */
1870 DEVMETHOD(device_probe, mss_probe),
1871 DEVMETHOD(device_attach, mss_attach),
1872 DEVMETHOD(device_detach, mss_detach),
1873 DEVMETHOD(device_suspend, mss_suspend),
1874 DEVMETHOD(device_resume, mss_resume),
1875
1876 { 0, 0 }
1877 };
1878
1879 static driver_t mss_driver = {
1880 "pcm",
1881 mss_methods,
1882 PCM_SOFTC_SIZE,
1883 };
1884
1885 DRIVER_MODULE(snd_mss, isa, mss_driver, pcm_devclass, 0, 0);
1886 DRIVER_MODULE(snd_mss, acpi, mss_driver, pcm_devclass, 0, 0);
1887 MODULE_DEPEND(snd_mss, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1888 MODULE_VERSION(snd_mss, 1);
1889
1890 static int
1891 azt2320_mss_mode(struct mss_info *mss, device_t dev)
1892 {
1893 struct resource *sbport;
1894 int i, ret, rid;
1895
1896 rid = 0;
1897 ret = -1;
1898 sbport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
1899 if (sbport) {
1900 for (i = 0; i < 1000; i++) {
1901 if ((port_rd(sbport, SBDSP_STATUS) & 0x80))
1902 DELAY((i > 100) ? 1000 : 10);
1903 else {
1904 port_wr(sbport, SBDSP_CMD, 0x09);
1905 break;
1906 }
1907 }
1908 for (i = 0; i < 1000; i++) {
1909 if ((port_rd(sbport, SBDSP_STATUS) & 0x80))
1910 DELAY((i > 100) ? 1000 : 10);
1911 else {
1912 port_wr(sbport, SBDSP_CMD, 0x00);
1913 ret = 0;
1914 break;
1915 }
1916 }
1917 DELAY(1000);
1918 bus_release_resource(dev, SYS_RES_IOPORT, rid, sbport);
1919 }
1920 return ret;
1921 }
1922
1923 static struct isa_pnp_id pnpmss_ids[] = {
1924 {0x0000630e, "CS423x"}, /* CSC0000 */
1925 {0x0001630e, "CS423x-PCI"}, /* CSC0100 */
1926 {0x01000000, "CMI8330"}, /* @@@0001 */
1927 {0x2100a865, "Yamaha OPL-SAx"}, /* YMH0021 */
1928 {0x1110d315, "ENSONIQ SoundscapeVIVO"}, /* ENS1011 */
1929 {0x1093143e, "OPTi931"}, /* OPT9310 */
1930 {0x5092143e, "OPTi925"}, /* OPT9250 XXX guess */
1931 {0x0000143e, "OPTi924"}, /* OPT0924 */
1932 {0x1022b839, "Neomagic 256AV (non-ac97)"}, /* NMX2210 */
1933 {0x01005407, "Aztech 2320"}, /* AZT0001 */
1934 #if 0
1935 {0x0000561e, "GusPnP"}, /* GRV0000 */
1936 #endif
1937 {0},
1938 };
1939
1940 static int
1941 pnpmss_probe(device_t dev)
1942 {
1943 u_int32_t lid, vid;
1944
1945 lid = isa_get_logicalid(dev);
1946 vid = isa_get_vendorid(dev);
1947 if (lid == 0x01000000 && vid != 0x0100a90d) /* CMI0001 */
1948 return ENXIO;
1949 return ISA_PNP_PROBE(device_get_parent(dev), dev, pnpmss_ids);
1950 }
1951
1952 static int
1953 pnpmss_attach(device_t dev)
1954 {
1955 struct mss_info *mss;
1956
1957 mss = (struct mss_info *)malloc(sizeof *mss, M_DEVBUF, M_NOWAIT | M_ZERO);
1958 if (!mss)
1959 return ENXIO;
1960
1961 mss->io_rid = 0;
1962 mss->conf_rid = -1;
1963 mss->irq_rid = 0;
1964 mss->drq1_rid = 0;
1965 mss->drq2_rid = 1;
1966 mss->bd_id = MD_CS42XX;
1967
1968 switch (isa_get_logicalid(dev)) {
1969 case 0x0000630e: /* CSC0000 */
1970 case 0x0001630e: /* CSC0100 */
1971 mss->bd_flags |= BD_F_MSS_OFFSET;
1972 mss->bd_id = MD_CS423X;
1973 break;
1974
1975 case 0x2100a865: /* YHM0021 */
1976 mss->io_rid = 1;
1977 mss->conf_rid = 4;
1978 mss->bd_id = MD_YM0020;
1979 break;
1980
1981 case 0x1110d315: /* ENS1011 */
1982 mss->io_rid = 1;
1983 mss->bd_id = MD_VIVO;
1984 break;
1985
1986 case 0x1093143e: /* OPT9310 */
1987 mss->bd_flags |= BD_F_MSS_OFFSET;
1988 mss->conf_rid = 3;
1989 mss->bd_id = MD_OPTI931;
1990 break;
1991
1992 case 0x5092143e: /* OPT9250 XXX guess */
1993 mss->io_rid = 1;
1994 mss->conf_rid = 3;
1995 mss->bd_id = MD_OPTI925;
1996 break;
1997
1998 case 0x0000143e: /* OPT0924 */
1999 mss->password = 0xe5;
2000 mss->passwdreg = 3;
2001 mss->optibase = 0xf0c;
2002 mss->io_rid = 2;
2003 mss->conf_rid = 3;
2004 mss->bd_id = MD_OPTI924;
2005 mss->bd_flags |= BD_F_924PNP;
2006 if(opti_init(dev, mss) != 0)
2007 return ENXIO;
2008 break;
2009
2010 case 0x1022b839: /* NMX2210 */
2011 mss->io_rid = 1;
2012 break;
2013
2014 case 0x01005407: /* AZT0001 */
2015 /* put into MSS mode first (snatched from NetBSD) */
2016 if (azt2320_mss_mode(mss, dev) == -1)
2017 return ENXIO;
2018
2019 mss->bd_flags |= BD_F_MSS_OFFSET;
2020 mss->io_rid = 2;
2021 break;
2022
2023 #if 0
2024 case 0x0000561e: /* GRV0000 */
2025 mss->bd_flags |= BD_F_MSS_OFFSET;
2026 mss->io_rid = 2;
2027 mss->conf_rid = 1;
2028 mss->drq1_rid = 1;
2029 mss->drq2_rid = 0;
2030 mss->bd_id = MD_GUSPNP;
2031 break;
2032 #endif
2033 case 0x01000000: /* @@@0001 */
2034 mss->drq2_rid = -1;
2035 break;
2036
2037 /* Unknown MSS default. We could let the CSC0000 stuff match too */
2038 default:
2039 mss->bd_flags |= BD_F_MSS_OFFSET;
2040 break;
2041 }
2042 return mss_doattach(dev, mss);
2043 }
2044
2045 static int
2046 opti_init(device_t dev, struct mss_info *mss)
2047 {
2048 int flags = device_get_flags(dev);
2049 int basebits = 0;
2050
2051 if (!mss->conf_base) {
2052 bus_set_resource(dev, SYS_RES_IOPORT, mss->conf_rid,
2053 mss->optibase, 0x9);
2054
2055 mss->conf_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
2056 &mss->conf_rid, mss->optibase, mss->optibase+0x9,
2057 0x9, RF_ACTIVE);
2058 }
2059
2060 if (!mss->conf_base)
2061 return ENXIO;
2062
2063 if (!mss->io_base)
2064 mss->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
2065 &mss->io_rid, 0, ~0, 8, RF_ACTIVE);
2066
2067 if (!mss->io_base) /* No hint specified, use 0x530 */
2068 mss->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
2069 &mss->io_rid, 0x530, 0x537, 8, RF_ACTIVE);
2070
2071 if (!mss->io_base)
2072 return ENXIO;
2073
2074 switch (rman_get_start(mss->io_base)) {
2075 case 0x530:
2076 basebits = 0x0;
2077 break;
2078 case 0xe80:
2079 basebits = 0x10;
2080 break;
2081 case 0xf40:
2082 basebits = 0x20;
2083 break;
2084 case 0x604:
2085 basebits = 0x30;
2086 break;
2087 default:
2088 printf("opti_init: invalid MSS base address!\n");
2089 return ENXIO;
2090 }
2091
2092
2093 switch (mss->bd_id) {
2094 case MD_OPTI924:
2095 opti_write(mss, 1, 0x80 | basebits); /* MSS mode */
2096 opti_write(mss, 2, 0x00); /* Disable CD */
2097 opti_write(mss, 3, 0xf0); /* Disable SB IRQ */
2098 opti_write(mss, 4, 0xf0);
2099 opti_write(mss, 5, 0x00);
2100 opti_write(mss, 6, 0x02); /* MPU stuff */
2101 break;
2102
2103 case MD_OPTI930:
2104 opti_write(mss, 1, 0x00 | basebits);
2105 opti_write(mss, 3, 0x00); /* Disable SB IRQ/DMA */
2106 opti_write(mss, 4, 0x52); /* Empty FIFO */
2107 opti_write(mss, 5, 0x3c); /* Mode 2 */
2108 opti_write(mss, 6, 0x02); /* Enable MSS */
2109 break;
2110 }
2111
2112 if (mss->bd_flags & BD_F_924PNP) {
2113 u_int32_t irq = isa_get_irq(dev);
2114 u_int32_t drq = isa_get_drq(dev);
2115 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
2116 bus_set_resource(dev, SYS_RES_DRQ, mss->drq1_rid, drq, 1);
2117 if (flags & DV_F_DUAL_DMA) {
2118 bus_set_resource(dev, SYS_RES_DRQ, 1,
2119 flags & DV_F_DRQ_MASK, 1);
2120 mss->drq2_rid = 1;
2121 }
2122 }
2123
2124 /* OPTixxx has I/DRQ registers */
2125
2126 device_set_flags(dev, device_get_flags(dev) | DV_F_TRUE_MSS);
2127
2128 return 0;
2129 }
2130
2131 static void
2132 opti_write(struct mss_info *mss, u_char reg, u_char val)
2133 {
2134 port_wr(mss->conf_base, mss->passwdreg, mss->password);
2135
2136 switch(mss->bd_id) {
2137 case MD_OPTI924:
2138 if (reg > 7) { /* Indirect register */
2139 port_wr(mss->conf_base, mss->passwdreg, reg);
2140 port_wr(mss->conf_base, mss->passwdreg,
2141 mss->password);
2142 port_wr(mss->conf_base, 9, val);
2143 return;
2144 }
2145 port_wr(mss->conf_base, reg, val);
2146 break;
2147
2148 case MD_OPTI930:
2149 port_wr(mss->indir, 0, reg);
2150 port_wr(mss->conf_base, mss->passwdreg, mss->password);
2151 port_wr(mss->indir, 1, val);
2152 break;
2153 }
2154 }
2155
2156 u_char
2157 opti_read(struct mss_info *mss, u_char reg)
2158 {
2159 port_wr(mss->conf_base, mss->passwdreg, mss->password);
2160
2161 switch(mss->bd_id) {
2162 case MD_OPTI924:
2163 if (reg > 7) { /* Indirect register */
2164 port_wr(mss->conf_base, mss->passwdreg, reg);
2165 port_wr(mss->conf_base, mss->passwdreg, mss->password);
2166 return(port_rd(mss->conf_base, 9));
2167 }
2168 return(port_rd(mss->conf_base, reg));
2169 break;
2170
2171 case MD_OPTI930:
2172 port_wr(mss->indir, 0, reg);
2173 port_wr(mss->conf_base, mss->passwdreg, mss->password);
2174 return port_rd(mss->indir, 1);
2175 break;
2176 }
2177 return -1;
2178 }
2179
2180 static device_method_t pnpmss_methods[] = {
2181 /* Device interface */
2182 DEVMETHOD(device_probe, pnpmss_probe),
2183 DEVMETHOD(device_attach, pnpmss_attach),
2184 DEVMETHOD(device_detach, mss_detach),
2185 DEVMETHOD(device_suspend, mss_suspend),
2186 DEVMETHOD(device_resume, mss_resume),
2187
2188 { 0, 0 }
2189 };
2190
2191 static driver_t pnpmss_driver = {
2192 "pcm",
2193 pnpmss_methods,
2194 PCM_SOFTC_SIZE,
2195 };
2196
2197 DRIVER_MODULE(snd_pnpmss, isa, pnpmss_driver, pcm_devclass, 0, 0);
2198 DRIVER_MODULE(snd_pnpmss, acpi, pnpmss_driver, pcm_devclass, 0, 0);
2199 MODULE_DEPEND(snd_pnpmss, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
2200 MODULE_VERSION(snd_pnpmss, 1);
2201
2202 static int
2203 guspcm_probe(device_t dev)
2204 {
2205 struct sndcard_func *func;
2206
2207 func = device_get_ivars(dev);
2208 if (func == NULL || func->func != SCF_PCM)
2209 return ENXIO;
2210
2211 device_set_desc(dev, "GUS CS4231");
2212 return 0;
2213 }
2214
2215 static int
2216 guspcm_attach(device_t dev)
2217 {
2218 device_t parent = device_get_parent(dev);
2219 struct mss_info *mss;
2220 int base, flags;
2221 unsigned char ctl;
2222
2223 mss = (struct mss_info *)malloc(sizeof *mss, M_DEVBUF, M_NOWAIT | M_ZERO);
2224 if (mss == NULL)
2225 return ENOMEM;
2226
2227 mss->bd_flags = BD_F_MSS_OFFSET;
2228 mss->io_rid = 2;
2229 mss->conf_rid = 1;
2230 mss->irq_rid = 0;
2231 mss->drq1_rid = 1;
2232 mss->drq2_rid = -1;
2233
2234 if (isa_get_logicalid(parent) == 0)
2235 mss->bd_id = MD_GUSMAX;
2236 else {
2237 mss->bd_id = MD_GUSPNP;
2238 mss->drq2_rid = 0;
2239 goto skip_setup;
2240 }
2241
2242 flags = device_get_flags(parent);
2243 if (flags & DV_F_DUAL_DMA)
2244 mss->drq2_rid = 0;
2245
2246 mss->conf_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &mss->conf_rid,
2247 0, ~0, 8, RF_ACTIVE);
2248
2249 if (mss->conf_base == NULL) {
2250 mss_release_resources(mss, dev);
2251 return ENXIO;
2252 }
2253
2254 base = isa_get_port(parent);
2255
2256 ctl = 0x40; /* CS4231 enable */
2257 if (isa_get_drq(dev) > 3)
2258 ctl |= 0x10; /* 16-bit dma channel 1 */
2259 if ((flags & DV_F_DUAL_DMA) != 0 && (flags & DV_F_DRQ_MASK) > 3)
2260 ctl |= 0x20; /* 16-bit dma channel 2 */
2261 ctl |= (base >> 4) & 0x0f; /* 2X0 -> 3XC */
2262 port_wr(mss->conf_base, 6, ctl);
2263
2264 skip_setup:
2265 return mss_doattach(dev, mss);
2266 }
2267
2268 static device_method_t guspcm_methods[] = {
2269 DEVMETHOD(device_probe, guspcm_probe),
2270 DEVMETHOD(device_attach, guspcm_attach),
2271 DEVMETHOD(device_detach, mss_detach),
2272
2273 { 0, 0 }
2274 };
2275
2276 static driver_t guspcm_driver = {
2277 "pcm",
2278 guspcm_methods,
2279 PCM_SOFTC_SIZE,
2280 };
2281
2282 DRIVER_MODULE(snd_guspcm, gusc, guspcm_driver, pcm_devclass, 0, 0);
2283 MODULE_DEPEND(snd_guspcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
2284 MODULE_VERSION(snd_guspcm, 1);
2285
2286
Cache object: e125accfd7e8ededf29e77bf5ecc1184
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