auvia.c revision 1.39 1 /* $NetBSD: auvia.c,v 1.39 2004/04/22 00:17:12 itojun Exp $ */
2
3 /*-
4 * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Tyler C. Sarna
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * VIA Technologies VT82C686A / VT8233 / VT8235 Southbridge Audio Driver
41 *
42 * Documentation links:
43 *
44 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
45 * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf
46 * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec)
47 */
48
49 #include <sys/cdefs.h>
50 __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.39 2004/04/22 00:17:12 itojun Exp $");
51
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/malloc.h>
55 #include <sys/device.h>
56 #include <sys/audioio.h>
57
58 #include <uvm/uvm_extern.h>
59
60 #include <dev/pci/pcidevs.h>
61 #include <dev/pci/pcivar.h>
62
63 #include <dev/audio_if.h>
64 #include <dev/mulaw.h>
65 #include <dev/auconv.h>
66
67 #include <dev/ic/ac97reg.h>
68 #include <dev/ic/ac97var.h>
69
70 #include <dev/pci/auviavar.h>
71
72 struct auvia_dma {
73 struct auvia_dma *next;
74 caddr_t addr;
75 size_t size;
76 bus_dmamap_t map;
77 bus_dma_segment_t seg;
78 };
79
80 struct auvia_dma_op {
81 u_int32_t ptr;
82 u_int32_t flags;
83 #define AUVIA_DMAOP_EOL 0x80000000
84 #define AUVIA_DMAOP_FLAG 0x40000000
85 #define AUVIA_DMAOP_STOP 0x20000000
86 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF)
87 };
88
89 int auvia_match(struct device *, struct cfdata *, void *);
90 void auvia_attach(struct device *, struct device *, void *);
91 int auvia_open(void *, int);
92 void auvia_close(void *);
93 int auvia_query_encoding(void *, struct audio_encoding *);
94 void auvia_set_params_sub(struct auvia_softc *, struct auvia_softc_chan *,
95 struct audio_params *);
96 int auvia_set_params(void *, int, int, struct audio_params *,
97 struct audio_params *);
98 int auvia_round_blocksize(void *, int);
99 int auvia_halt_output(void *);
100 int auvia_halt_input(void *);
101 int auvia_getdev(void *, struct audio_device *);
102 int auvia_set_port(void *, mixer_ctrl_t *);
103 int auvia_get_port(void *, mixer_ctrl_t *);
104 int auvia_query_devinfo(void *, mixer_devinfo_t *);
105 void * auvia_malloc(void *, int, size_t, struct malloc_type *, int);
106 void auvia_free(void *, void *, struct malloc_type *);
107 size_t auvia_round_buffersize(void *, int, size_t);
108 paddr_t auvia_mappage(void *, void *, off_t, int);
109 int auvia_get_props(void *);
110 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *,
111 struct auvia_dma *, void *, void *, int);
112 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *),
113 void *, struct audio_params *);
114 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *),
115 void *, struct audio_params *);
116
117 int auvia_intr __P((void *));
118
119 CFATTACH_DECL(auvia, sizeof (struct auvia_softc),
120 auvia_match, auvia_attach, NULL, NULL);
121
122 /* VIA VT823xx revision number */
123 #define VIA_REV_8233C 0x20
124 #define VIA_REV_8233 0x30
125 #define VIA_REV_8233A 0x40
126 #define VIA_REV_8235 0x50
127
128 #define AUVIA_PCICONF_JUNK 0x40
129 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */
130 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */
131 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */
132 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */
133 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */
134 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */
135 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */
136 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */
137 #define AUVIA_PCICONF_PRIVALID 0x00000001 /* primary codec rdy */
138
139 #define AUVIA_PLAY_BASE 0x00
140 #define AUVIA_RECORD_BASE 0x10
141
142 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
143 #define AUVIA_RP_STAT 0x00
144 #define AUVIA_RPSTAT_INTR 0x03
145 #define AUVIA_RP_CONTROL 0x01
146 #define AUVIA_RPCTRL_START 0x80
147 #define AUVIA_RPCTRL_TERMINATE 0x40
148 #define AUVIA_RPCTRL_AUTOSTART 0x20
149 /* The following are 8233 specific */
150 #define AUVIA_RPCTRL_STOP 0x04
151 #define AUVIA_RPCTRL_EOL 0x02
152 #define AUVIA_RPCTRL_FLAG 0x01
153 #define AUVIA_RP_MODE 0x02 /* 82c686 specific */
154 #define AUVIA_RPMODE_INTR_FLAG 0x01
155 #define AUVIA_RPMODE_INTR_EOL 0x02
156 #define AUVIA_RPMODE_STEREO 0x10
157 #define AUVIA_RPMODE_16BIT 0x20
158 #define AUVIA_RPMODE_AUTOSTART 0x80
159 #define AUVIA_RP_DMAOPS_BASE 0x04
160
161 #define VIA8233_RP_DXS_LVOL 0x02
162 #define VIA8233_RP_DXS_RVOL 0x03
163 #define VIA8233_RP_RATEFMT 0x08
164 #define VIA8233_RATEFMT_48K 0xfffff
165 #define VIA8233_RATEFMT_STEREO 0x00100000
166 #define VIA8233_RATEFMT_16BIT 0x00200000
167
168 #define VIA_RP_DMAOPS_COUNT 0x0c
169
170 #define VIA8233_MP_BASE 0x40
171 /* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
172 #define VIA8233_OFF_MP_FORMAT 0x02
173 #define VIA8233_MP_FORMAT_8BIT 0x00
174 #define VIA8233_MP_FORMAT_16BIT 0x80
175 #define VIA8233_MP_FORMAT_CHANNLE_MASK 0x70 /* 1, 2, 4, 6 */
176 #define VIA8233_OFF_MP_SCRATCH 0x03
177 #define VIA8233_OFF_MP_STOP 0x08
178
179 #define AUVIA_CODEC_CTL 0x80
180 #define AUVIA_CODEC_READ 0x00800000
181 #define AUVIA_CODEC_BUSY 0x01000000
182 #define AUVIA_CODEC_PRIVALID 0x02000000
183 #define AUVIA_CODEC_INDEX(x) ((x)<<16)
184
185 #define CH_WRITE1(sc, ch, off, v) \
186 bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v)
187 #define CH_WRITE4(sc, ch, off, v) \
188 bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v)
189 #define CH_READ1(sc, ch, off) \
190 bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
191 #define CH_READ4(sc, ch, off) \
192 bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
193
194 #define TIMEOUT 50
195
196 struct audio_hw_if auvia_hw_if = {
197 auvia_open,
198 auvia_close,
199 NULL, /* drain */
200 auvia_query_encoding,
201 auvia_set_params,
202 auvia_round_blocksize,
203 NULL, /* commit_settings */
204 NULL, /* init_output */
205 NULL, /* init_input */
206 NULL, /* start_output */
207 NULL, /* start_input */
208 auvia_halt_output,
209 auvia_halt_input,
210 NULL, /* speaker_ctl */
211 auvia_getdev,
212 NULL, /* setfd */
213 auvia_set_port,
214 auvia_get_port,
215 auvia_query_devinfo,
216 auvia_malloc,
217 auvia_free,
218 auvia_round_buffersize,
219 auvia_mappage,
220 auvia_get_props,
221 auvia_trigger_output,
222 auvia_trigger_input,
223 NULL, /* dev_ioctl */
224 };
225
226 int auvia_attach_codec(void *, struct ac97_codec_if *);
227 int auvia_write_codec(void *, u_int8_t, u_int16_t);
228 int auvia_read_codec(void *, u_int8_t, u_int16_t *);
229 void auvia_reset_codec(void *);
230 int auvia_waitready_codec(struct auvia_softc *sc);
231 int auvia_waitvalid_codec(struct auvia_softc *sc);
232
233
234 int
235 auvia_match(struct device *parent, struct cfdata *match, void *aux)
236 {
237 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
238
239 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
240 return 0;
241 switch (PCI_PRODUCT(pa->pa_id)) {
242 case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
243 case PCI_PRODUCT_VIATECH_VT8233_AC97:
244 break;
245 default:
246 return 0;
247 }
248
249 return 1;
250 }
251
252
253 void
254 auvia_attach(struct device *parent, struct device *self, void *aux)
255 {
256 struct pci_attach_args *pa = aux;
257 struct auvia_softc *sc = (struct auvia_softc *) self;
258 const char *intrstr = NULL;
259 pci_chipset_tag_t pc = pa->pa_pc;
260 pcitag_t pt = pa->pa_tag;
261 pci_intr_handle_t ih;
262 bus_size_t iosize;
263 pcireg_t pr;
264 int r;
265 const char *revnum = NULL; /* VT823xx revision number */
266
267 aprint_naive(": Audio controller\n");
268
269 sc->sc_play.sc_base = AUVIA_PLAY_BASE;
270 sc->sc_record.sc_base = AUVIA_RECORD_BASE;
271 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
272 sc->sc_flags |= AUVIA_FLAGS_VT8233;
273 sc->sc_play.sc_base = VIA8233_MP_BASE;
274 }
275
276 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
277 &sc->sc_ioh, NULL, &iosize)) {
278 aprint_error(": can't map i/o space\n");
279 return;
280 }
281
282 sc->sc_dmat = pa->pa_dmat;
283 sc->sc_pc = pc;
284 sc->sc_pt = pt;
285
286 r = PCI_REVISION(pa->pa_class);
287 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
288 snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
289 switch(r) {
290 case VIA_REV_8233C:
291 /* 2 rec, 4 pb, 1 multi-pb */
292 revnum = "3C";
293 break;
294 case VIA_REV_8233:
295 /* 2 rec, 4 pb, 1 multi-pb, spdif */
296 revnum = "3";
297 break;
298 case VIA_REV_8233A:
299 /* 1 rec, 1 multi-pb, spdif */
300 revnum = "3A";
301 break;
302 default:
303 break;
304 }
305 if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
306 revnum = "5";
307 aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
308 "(rev %s)\n", revnum, sc->sc_revision);
309 } else {
310 sc->sc_revision[1] = '\0';
311 if (r == 0x20) {
312 sc->sc_revision[0] = 'H';
313 } else if ((r >= 0x10) && (r <= 0x14)) {
314 sc->sc_revision[0] = 'A' + (r - 0x10);
315 } else {
316 snprintf(sc->sc_revision, sizeof(sc->sc_revision),
317 "0x%02X", r);
318 }
319
320 aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
321 "(rev %s)\n", sc->sc_revision);
322 }
323
324 if (pci_intr_map(pa, &ih)) {
325 aprint_error(": couldn't map interrupt\n");
326 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
327 return;
328 }
329 intrstr = pci_intr_string(pc, ih);
330
331 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
332 if (sc->sc_ih == NULL) {
333 aprint_error("%s: couldn't establish interrupt",
334 sc->sc_dev.dv_xname);
335 if (intrstr != NULL)
336 aprint_normal(" at %s", intrstr);
337 aprint_normal("\n");
338 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
339 return;
340 }
341
342 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
343
344 /* disable SBPro compat & others */
345 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
346
347 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
348 /* XXX what to do about MIDI, FM, joystick? */
349
350 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
351 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
352
353 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
354
355 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
356
357 sc->host_if.arg = sc;
358 sc->host_if.attach = auvia_attach_codec;
359 sc->host_if.read = auvia_read_codec;
360 sc->host_if.write = auvia_write_codec;
361 sc->host_if.reset = auvia_reset_codec;
362
363 if ((r = ac97_attach(&sc->host_if)) != 0) {
364 aprint_error("%s: can't attach codec (error 0x%X)\n",
365 sc->sc_dev.dv_xname, r);
366 pci_intr_disestablish(pc, sc->sc_ih);
367 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
368 return;
369 }
370
371 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
372 }
373
374
375 int
376 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
377 {
378 struct auvia_softc *sc = addr;
379
380 sc->codec_if = cif;
381
382 return 0;
383 }
384
385
386 void
387 auvia_reset_codec(void *addr)
388 {
389 int i;
390 struct auvia_softc *sc = addr;
391 pcireg_t r;
392
393 /* perform a codec cold reset */
394
395 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
396
397 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */
398 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
399 delay(2);
400
401 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */
402 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
403 delay(200);
404
405 for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
406 AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
407 DELAY(1);
408 if (i == 0)
409 printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
410 }
411
412
413 int
414 auvia_waitready_codec(struct auvia_softc *sc)
415 {
416 int i;
417
418 /* poll until codec not busy */
419 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
420 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
421 delay(1);
422 if (i >= TIMEOUT) {
423 printf("%s: codec busy\n", sc->sc_dev.dv_xname);
424 return 1;
425 }
426
427 return 0;
428 }
429
430
431 int
432 auvia_waitvalid_codec(struct auvia_softc *sc)
433 {
434 int i;
435
436 /* poll until codec valid */
437 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
438 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
439 delay(1);
440 if (i >= TIMEOUT) {
441 printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
442 return 1;
443 }
444
445 return 0;
446 }
447
448
449 int
450 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
451 {
452 struct auvia_softc *sc = addr;
453
454 if (auvia_waitready_codec(sc))
455 return 1;
456
457 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
458 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
459
460 return 0;
461 }
462
463
464 int
465 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
466 {
467 struct auvia_softc *sc = addr;
468
469 if (auvia_waitready_codec(sc))
470 return 1;
471
472 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
473 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
474
475 if (auvia_waitready_codec(sc))
476 return 1;
477
478 if (auvia_waitvalid_codec(sc))
479 return 1;
480
481 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
482
483 return 0;
484 }
485
486
487 int
488 auvia_open(void *addr, int flags)
489 {
490 return 0;
491 }
492
493
494 void
495 auvia_close(void *addr)
496 {
497 struct auvia_softc *sc = addr;
498
499 auvia_halt_output(sc);
500 auvia_halt_input(sc);
501
502 sc->sc_play.sc_intr = NULL;
503 sc->sc_record.sc_intr = NULL;
504 }
505
506
507 int
508 auvia_query_encoding(void *addr, struct audio_encoding *fp)
509 {
510 switch (fp->index) {
511 case 0:
512 strcpy(fp->name, AudioEulinear);
513 fp->encoding = AUDIO_ENCODING_ULINEAR;
514 fp->precision = 8;
515 fp->flags = 0;
516 return (0);
517 case 1:
518 strcpy(fp->name, AudioEmulaw);
519 fp->encoding = AUDIO_ENCODING_ULAW;
520 fp->precision = 8;
521 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
522 return (0);
523 case 2:
524 strcpy(fp->name, AudioEalaw);
525 fp->encoding = AUDIO_ENCODING_ALAW;
526 fp->precision = 8;
527 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
528 return (0);
529 case 3:
530 strcpy(fp->name, AudioEslinear);
531 fp->encoding = AUDIO_ENCODING_SLINEAR;
532 fp->precision = 8;
533 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
534 return (0);
535 case 4:
536 strcpy(fp->name, AudioEslinear_le);
537 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
538 fp->precision = 16;
539 fp->flags = 0;
540 return (0);
541 case 5:
542 strcpy(fp->name, AudioEulinear_le);
543 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
544 fp->precision = 16;
545 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
546 return (0);
547 case 6:
548 strcpy(fp->name, AudioEslinear_be);
549 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
550 fp->precision = 16;
551 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
552 return (0);
553 case 7:
554 strcpy(fp->name, AudioEulinear_be);
555 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
556 fp->precision = 16;
557 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
558 return (0);
559 default:
560 return (EINVAL);
561 }
562 }
563
564 void
565 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
566 struct audio_params *p)
567 {
568 u_int32_t v;
569 u_int16_t regval;
570
571 if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
572 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
573 | (p->precision * p->factor == 16 ?
574 AUVIA_RPMODE_16BIT : 0)
575 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
576 | AUVIA_RPMODE_AUTOSTART;
577 ch->sc_reg = regval;
578 } else if (ch->sc_base != VIA8233_MP_BASE) {
579 v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
580 v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
581 | VIA8233_RATEFMT_16BIT);
582
583 v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
584 / (48000 / 20);
585 if (p->channels == 2)
586 v |= VIA8233_RATEFMT_STEREO;
587 if (p->precision == 16)
588 v |= VIA8233_RATEFMT_16BIT;
589
590 CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
591 } else {
592 static const u_int32_t slottab[7] =
593 { 0, 0xff000011, 0xff000021, 0,
594 0xff004321, 0, 0xff436521};
595
596 regval = (p->hw_precision == 16
597 ? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
598 | (p->hw_channels << 4);
599 CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
600 CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->hw_channels]);
601 }
602 }
603
604 int
605 auvia_set_params(void *addr, int setmode, int usemode,
606 struct audio_params *play, struct audio_params *rec)
607 {
608 struct auvia_softc *sc = addr;
609 struct auvia_softc_chan *ch;
610 struct audio_params *p;
611 struct ac97_codec_if* codec;
612 int reg, mode;
613 u_int16_t ext_id;
614
615 codec = sc->codec_if;
616 /* for mode in (RECORD, PLAY) */
617 for (mode = AUMODE_RECORD; mode != -1;
618 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
619 if ((setmode & mode) == 0)
620 continue;
621
622 if (mode == AUMODE_PLAY ) {
623 p = play;
624 ch = &sc->sc_play;
625 reg = AC97_REG_PCM_FRONT_DAC_RATE;
626 } else {
627 p = rec;
628 ch = &sc->sc_record;
629 reg = AC97_REG_PCM_LR_ADC_RATE;
630 }
631
632 if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) {
633 ext_id = codec->vtbl->get_extcaps(codec);
634 if (p->channels == 1) {
635 /* ok */
636 } else if (p->channels == 2) {
637 /* ok */
638 } else if (p->channels == 4
639 && ext_id & AC97_EXT_AUDIO_SDAC) {
640 /* ok */
641 #define BITS_6CH (AC97_EXT_AUDIO_SDAC | AC97_EXT_AUDIO_CDAC | AC97_EXT_AUDIO_LDAC)
642 } else if (p->channels == 6
643 && (ext_id & BITS_6CH) == BITS_6CH) {
644 /* ok */
645 } else {
646 return (EINVAL);
647 }
648 } else {
649 if (p->channels != 1 && p->channels != 2)
650 return (EINVAL);
651 }
652 if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
653 (p->precision != 8 && p->precision != 16))
654 return (EINVAL);
655
656 if (IS_FIXED_RATE(codec)) {
657 /* Enable aurateconv */
658 p->hw_sample_rate = AC97_SINGLE_RATE;
659 } else {
660 if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
661 return (EINVAL);
662 reg = AC97_REG_PCM_SURR_DAC_RATE;
663 if (p->channels >= 4
664 && codec->vtbl->set_rate(codec, reg,
665 &p->sample_rate))
666 return (EINVAL);
667 reg = AC97_REG_PCM_LFE_DAC_RATE;
668 if (p->channels == 6
669 && codec->vtbl->set_rate(codec, reg,
670 &p->sample_rate))
671 return (EINVAL);
672 }
673
674 p->factor = 1;
675 p->sw_code = 0;
676 switch (p->encoding) {
677 case AUDIO_ENCODING_SLINEAR_BE:
678 if (p->precision == 16) {
679 p->sw_code = swap_bytes;
680 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
681 } else {
682 p->sw_code = change_sign8;
683 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
684 }
685 break;
686 case AUDIO_ENCODING_SLINEAR_LE:
687 if (p->precision != 16) {
688 p->sw_code = change_sign8;
689 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
690 }
691 break;
692 case AUDIO_ENCODING_ULINEAR_BE:
693 if (p->precision == 16) {
694 if (mode == AUMODE_PLAY)
695 p->sw_code = swap_bytes_change_sign16_le;
696 else
697 p->sw_code = change_sign16_swap_bytes_le;
698 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
699 }
700 break;
701 case AUDIO_ENCODING_ULINEAR_LE:
702 if (p->precision == 16) {
703 p->sw_code = change_sign16_le;
704 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
705 }
706 break;
707 case AUDIO_ENCODING_ULAW:
708 if (p->precision != 8)
709 return (EINVAL);
710 if (mode == AUMODE_PLAY) {
711 p->factor = 2;
712 p->sw_code = mulaw_to_slinear16_le;
713 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
714 p->hw_precision = 16;
715 } else if (!IS_FIXED_RATE(codec)) {
716 p->sw_code = ulinear8_to_mulaw;
717 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
718 } else {
719 /* aurateconv supports no 8 bit PCM */
720 p->factor = 2;
721 p->sw_code = slinear16_to_mulaw_le;
722 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
723 p->hw_precision = 16;
724 }
725 break;
726 case AUDIO_ENCODING_ALAW:
727 if (p->precision != 8)
728 return (EINVAL);
729 if (mode == AUMODE_PLAY) {
730 p->factor = 2;
731 p->sw_code = alaw_to_slinear16_le;
732 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
733 p->hw_precision = 16;
734 } else if (!IS_FIXED_RATE(codec)) {
735 p->sw_code = ulinear8_to_alaw;
736 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
737 } else {
738 /* aurateconv supports no 8 bit PCM */
739 p->factor = 2;
740 p->sw_code = slinear16_to_alaw_le;
741 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
742 p->hw_precision = 16;
743 }
744 break;
745 default:
746 return (EINVAL);
747 }
748 auvia_set_params_sub(sc, ch, p);
749 }
750
751 return 0;
752 }
753
754
755 int
756 auvia_round_blocksize(void *addr, int blk)
757 {
758 struct auvia_softc *sc = addr;
759
760 /* XXX VT823x might have the limitation of dma_ops size */
761 if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
762 blk = 288;
763
764 return (blk & -32);
765 }
766
767
768 int
769 auvia_halt_output(void *addr)
770 {
771 struct auvia_softc *sc = addr;
772 struct auvia_softc_chan *ch = &(sc->sc_play);
773
774 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
775 return 0;
776 }
777
778
779 int
780 auvia_halt_input(void *addr)
781 {
782 struct auvia_softc *sc = addr;
783 struct auvia_softc_chan *ch = &(sc->sc_record);
784
785 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
786 return 0;
787 }
788
789
790 int
791 auvia_getdev(void *addr, struct audio_device *retp)
792 {
793 struct auvia_softc *sc = addr;
794
795 if (retp) {
796 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
797 strncpy(retp->name, "VIA VT8233/8235",
798 sizeof(retp->name));
799 } else {
800 strncpy(retp->name, "VIA VT82C686A",
801 sizeof(retp->name));
802 }
803 strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
804 strncpy(retp->config, "auvia", sizeof(retp->config));
805 }
806
807 return 0;
808 }
809
810
811 int
812 auvia_set_port(void *addr, mixer_ctrl_t *cp)
813 {
814 struct auvia_softc *sc = addr;
815
816 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
817 }
818
819
820 int
821 auvia_get_port(void *addr, mixer_ctrl_t *cp)
822 {
823 struct auvia_softc *sc = addr;
824
825 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
826 }
827
828
829 int
830 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
831 {
832 struct auvia_softc *sc = addr;
833
834 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
835 }
836
837
838 void *
839 auvia_malloc(void *addr, int direction, size_t size, struct malloc_type * pool,
840 int flags)
841 {
842 struct auvia_softc *sc = addr;
843 struct auvia_dma *p;
844 int error;
845 int rseg;
846
847 p = malloc(sizeof(*p), pool, flags);
848 if (!p)
849 return 0;
850
851 p->size = size;
852 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
853 1, &rseg, BUS_DMA_NOWAIT)) != 0) {
854 printf("%s: unable to allocate DMA, error = %d\n",
855 sc->sc_dev.dv_xname, error);
856 goto fail_alloc;
857 }
858
859 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
860 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
861 printf("%s: unable to map DMA, error = %d\n",
862 sc->sc_dev.dv_xname, error);
863 goto fail_map;
864 }
865
866 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
867 BUS_DMA_NOWAIT, &p->map)) != 0) {
868 printf("%s: unable to create DMA map, error = %d\n",
869 sc->sc_dev.dv_xname, error);
870 goto fail_create;
871 }
872
873 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
874 BUS_DMA_NOWAIT)) != 0) {
875 printf("%s: unable to load DMA map, error = %d\n",
876 sc->sc_dev.dv_xname, error);
877 goto fail_load;
878 }
879
880 p->next = sc->sc_dmas;
881 sc->sc_dmas = p;
882
883 return p->addr;
884
885
886 fail_load:
887 bus_dmamap_destroy(sc->sc_dmat, p->map);
888 fail_create:
889 bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
890 fail_map:
891 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
892 fail_alloc:
893 free(p, pool);
894 return 0;
895 }
896
897
898 void
899 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
900 {
901 struct auvia_softc *sc = addr;
902 struct auvia_dma **pp, *p;
903
904 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
905 if (p->addr == ptr) {
906 bus_dmamap_unload(sc->sc_dmat, p->map);
907 bus_dmamap_destroy(sc->sc_dmat, p->map);
908 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
909 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
910
911 *pp = p->next;
912 free(p, pool);
913 return;
914 }
915
916 panic("auvia_free: trying to free unallocated memory");
917 }
918
919
920 size_t
921 auvia_round_buffersize(void *addr, int direction, size_t size)
922 {
923 return size;
924 }
925
926
927 paddr_t
928 auvia_mappage(void *addr, void *mem, off_t off, int prot)
929 {
930 struct auvia_softc *sc = addr;
931 struct auvia_dma *p;
932
933 if (off < 0)
934 return -1;
935
936 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
937 ;
938
939 if (!p)
940 return -1;
941
942 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
943 BUS_DMA_WAITOK);
944 }
945
946
947 int
948 auvia_get_props(void *addr)
949 {
950 struct auvia_softc *sc = addr;
951 int props;
952
953 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
954 /*
955 * Even if the codec is fixed-rate, set_param() succeeds for any sample
956 * rate because of aurateconv. Applications can't know what rate the
957 * device can process in the case of mmap().
958 */
959 if (!IS_FIXED_RATE(sc->codec_if))
960 props |= AUDIO_PROP_MMAP;
961 return props;
962 }
963
964
965 int
966 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
967 struct auvia_dma *p, void *start, void *end, int blksize)
968 {
969 struct auvia_dma_op *op;
970 struct auvia_dma *dp;
971 bus_addr_t s;
972 size_t l;
973 int segs;
974
975 s = p->map->dm_segs[0].ds_addr;
976 l = ((char *)end - (char *)start);
977 segs = (l + blksize - 1) / blksize;
978
979 if (segs > (ch->sc_dma_op_count)) {
980 /* if old list was too small, free it */
981 if (ch->sc_dma_ops) {
982 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
983 }
984
985 ch->sc_dma_ops = auvia_malloc(sc, 0,
986 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
987
988 if (ch->sc_dma_ops == NULL) {
989 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname);
990 return 1;
991 }
992
993 for (dp = sc->sc_dmas;
994 dp && dp->addr != (void *)(ch->sc_dma_ops);
995 dp = dp->next)
996 ;
997
998 if (!dp)
999 panic("%s: build_dma_ops: where'd my memory go??? "
1000 "address (%p)\n", sc->sc_dev.dv_xname,
1001 ch->sc_dma_ops);
1002
1003 ch->sc_dma_op_count = segs;
1004 ch->sc_dma_ops_dma = dp;
1005 }
1006
1007 dp = ch->sc_dma_ops_dma;
1008 op = ch->sc_dma_ops;
1009
1010 while (l) {
1011 op->ptr = s;
1012 l = l - blksize;
1013 if (!l) {
1014 /* if last block */
1015 op->flags = AUVIA_DMAOP_EOL | blksize;
1016 } else {
1017 op->flags = AUVIA_DMAOP_FLAG | blksize;
1018 }
1019 s += blksize;
1020 op++;
1021 }
1022
1023 return 0;
1024 }
1025
1026
1027 int
1028 auvia_trigger_output(void *addr, void *start, void *end,
1029 int blksize, void (*intr)(void *), void *arg,
1030 struct audio_params *param)
1031 {
1032 struct auvia_softc *sc = addr;
1033 struct auvia_softc_chan *ch = &(sc->sc_play);
1034 struct auvia_dma *p;
1035
1036 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1037 ;
1038
1039 if (!p)
1040 panic("auvia_trigger_output: request with bad start "
1041 "address (%p)", start);
1042
1043 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1044 return 1;
1045 }
1046
1047 ch->sc_intr = intr;
1048 ch->sc_arg = arg;
1049
1050 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1051 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1052
1053 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1054 if (ch->sc_base != VIA8233_MP_BASE) {
1055 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1056 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1057 }
1058 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1059 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1060 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1061 } else {
1062 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1063 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1064 }
1065
1066 return 0;
1067 }
1068
1069
1070 int
1071 auvia_trigger_input(void *addr, void *start, void *end,
1072 int blksize, void (*intr)(void *), void *arg,
1073 struct audio_params *param)
1074 {
1075 struct auvia_softc *sc = addr;
1076 struct auvia_softc_chan *ch = &(sc->sc_record);
1077 struct auvia_dma *p;
1078
1079 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1080 ;
1081
1082 if (!p)
1083 panic("auvia_trigger_input: request with bad start "
1084 "address (%p)", start);
1085
1086 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1087 return 1;
1088 }
1089
1090 ch->sc_intr = intr;
1091 ch->sc_arg = arg;
1092
1093 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1094 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1095
1096 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1097 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1098 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1099 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1100 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1101 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1102 } else {
1103 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1104 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1105 }
1106
1107 return 0;
1108 }
1109
1110
1111 int
1112 auvia_intr(void *arg)
1113 {
1114 struct auvia_softc *sc = arg;
1115 struct auvia_softc_chan *ch;
1116 u_int8_t r;
1117 int rval;
1118
1119 rval = 0;
1120
1121 ch = &sc->sc_record;
1122 r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1123 if (r & AUVIA_RPSTAT_INTR) {
1124 if (sc->sc_record.sc_intr)
1125 sc->sc_record.sc_intr(sc->sc_record.sc_arg);
1126
1127 /* clear interrupts */
1128 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1129 rval = 1;
1130 }
1131
1132 ch = &sc->sc_play;
1133 r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1134 if (r & AUVIA_RPSTAT_INTR) {
1135 if (sc->sc_play.sc_intr)
1136 sc->sc_play.sc_intr(sc->sc_play.sc_arg);
1137
1138 /* clear interrupts */
1139 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1140 rval = 1;
1141 }
1142
1143 return rval;
1144 }
1145