auvia.c revision 1.33 1 /* $NetBSD: auvia.c,v 1.33 2003/10/30 01:58:17 simonb 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 1.33 2003/10/30 01:58:17 simonb 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 #define AUVIA_PCICONF_JUNK 0x40
123 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */
124 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */
125 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */
126 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */
127 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */
128 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */
129 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */
130 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */
131 #define AUVIA_PCICONF_PRIVALID 0x00000001 /* primary codec rdy */
132
133 #define AUVIA_PLAY_BASE 0x00
134 #define AUVIA_RECORD_BASE 0x10
135
136 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
137 #define AUVIA_RP_STAT 0x00
138 #define AUVIA_RPSTAT_INTR 0x03
139 #define AUVIA_RP_CONTROL 0x01
140 #define AUVIA_RPCTRL_START 0x80
141 #define AUVIA_RPCTRL_TERMINATE 0x40
142 #define AUVIA_RPCTRL_AUTOSTART 0x20
143 /* The following are 8233 specific */
144 #define AUVIA_RPCTRL_STOP 0x04
145 #define AUVIA_RPCTRL_EOL 0x02
146 #define AUVIA_RPCTRL_FLAG 0x01
147 #define AUVIA_RP_MODE 0x02 /* 82c686 specific */
148 #define AUVIA_RPMODE_INTR_FLAG 0x01
149 #define AUVIA_RPMODE_INTR_EOL 0x02
150 #define AUVIA_RPMODE_STEREO 0x10
151 #define AUVIA_RPMODE_16BIT 0x20
152 #define AUVIA_RPMODE_AUTOSTART 0x80
153 #define AUVIA_RP_DMAOPS_BASE 0x04
154
155 #define VIA8233_RP_DXS_LVOL 0x02
156 #define VIA8233_RP_DXS_RVOL 0x03
157 #define VIA8233_RP_RATEFMT 0x08
158 #define VIA8233_RATEFMT_48K 0xfffff
159 #define VIA8233_RATEFMT_STEREO 0x00100000
160 #define VIA8233_RATEFMT_16BIT 0x00200000
161
162 #define VIA_RP_DMAOPS_COUNT 0x0c
163
164 #define VIA8233_MP_BASE 0x40
165 /* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
166 #define VIA8233_OFF_MP_FORMAT 0x02
167 #define VIA8233_MP_FORMAT_8BIT 0x00
168 #define VIA8233_MP_FORMAT_16BIT 0x80
169 #define VIA8233_MP_FORMAT_CHANNLE_MASK 0x70 /* 1, 2, 4, 6 */
170 #define VIA8233_OFF_MP_SCRATCH 0x03
171 #define VIA8233_OFF_MP_STOP 0x08
172
173 #define AUVIA_CODEC_CTL 0x80
174 #define AUVIA_CODEC_READ 0x00800000
175 #define AUVIA_CODEC_BUSY 0x01000000
176 #define AUVIA_CODEC_PRIVALID 0x02000000
177 #define AUVIA_CODEC_INDEX(x) ((x)<<16)
178
179 #define CH_WRITE1(sc, ch, off, v) \
180 bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v)
181 #define CH_WRITE4(sc, ch, off, v) \
182 bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v)
183 #define CH_READ1(sc, ch, off) \
184 bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
185 #define CH_READ4(sc, ch, off) \
186 bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
187
188 #define TIMEOUT 50
189
190 struct audio_hw_if auvia_hw_if = {
191 auvia_open,
192 auvia_close,
193 NULL, /* drain */
194 auvia_query_encoding,
195 auvia_set_params,
196 auvia_round_blocksize,
197 NULL, /* commit_settings */
198 NULL, /* init_output */
199 NULL, /* init_input */
200 NULL, /* start_output */
201 NULL, /* start_input */
202 auvia_halt_output,
203 auvia_halt_input,
204 NULL, /* speaker_ctl */
205 auvia_getdev,
206 NULL, /* setfd */
207 auvia_set_port,
208 auvia_get_port,
209 auvia_query_devinfo,
210 auvia_malloc,
211 auvia_free,
212 auvia_round_buffersize,
213 auvia_mappage,
214 auvia_get_props,
215 auvia_trigger_output,
216 auvia_trigger_input,
217 NULL, /* dev_ioctl */
218 };
219
220 int auvia_attach_codec(void *, struct ac97_codec_if *);
221 int auvia_write_codec(void *, u_int8_t, u_int16_t);
222 int auvia_read_codec(void *, u_int8_t, u_int16_t *);
223 void auvia_reset_codec(void *);
224 int auvia_waitready_codec(struct auvia_softc *sc);
225 int auvia_waitvalid_codec(struct auvia_softc *sc);
226
227
228 int
229 auvia_match(struct device *parent, struct cfdata *match, void *aux)
230 {
231 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
232
233 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
234 return 0;
235 switch (PCI_PRODUCT(pa->pa_id)) {
236 case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
237 case PCI_PRODUCT_VIATECH_VT8233_AC97:
238 break;
239 default:
240 return 0;
241 }
242
243 return 1;
244 }
245
246
247 void
248 auvia_attach(struct device *parent, struct device *self, void *aux)
249 {
250 struct pci_attach_args *pa = aux;
251 struct auvia_softc *sc = (struct auvia_softc *) self;
252 const char *intrstr = NULL;
253 pci_chipset_tag_t pc = pa->pa_pc;
254 pcitag_t pt = pa->pa_tag;
255 pci_intr_handle_t ih;
256 bus_size_t iosize;
257 pcireg_t pr;
258 int r;
259
260 aprint_naive(": Audio controller\n");
261
262 sc->sc_play.sc_base = AUVIA_PLAY_BASE;
263 sc->sc_record.sc_base = AUVIA_RECORD_BASE;
264 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
265 sc->sc_flags |= AUVIA_FLAGS_VT8233;
266 sc->sc_play.sc_base = VIA8233_MP_BASE;
267 }
268
269 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
270 &sc->sc_ioh, NULL, &iosize)) {
271 aprint_error(": can't map i/o space\n");
272 return;
273 }
274
275 sc->sc_dmat = pa->pa_dmat;
276 sc->sc_pc = pc;
277 sc->sc_pt = pt;
278
279 r = PCI_REVISION(pa->pa_class);
280 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
281 sprintf(sc->sc_revision, "0x%02X", r);
282 if (r < 0x50) {
283 aprint_normal(": VIA VT8233 AC'97 Audio (rev %s)\n",
284 sc->sc_revision);
285 } else {
286 aprint_normal(": VIA VT8235 AC'97 Audio (rev %s)\n",
287 sc->sc_revision);
288 }
289 } else {
290 sc->sc_revision[1] = '\0';
291 if (r == 0x20) {
292 sc->sc_revision[0] = 'H';
293 } else if ((r >= 0x10) && (r <= 0x14)) {
294 sc->sc_revision[0] = 'A' + (r - 0x10);
295 } else {
296 sprintf(sc->sc_revision, "0x%02X", r);
297 }
298
299 aprint_normal(": VIA VT82C686A AC'97 Audio (rev %s)\n",
300 sc->sc_revision);
301 }
302
303 if (pci_intr_map(pa, &ih)) {
304 aprint_error(": couldn't map interrupt\n");
305 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
306 return;
307 }
308 intrstr = pci_intr_string(pc, ih);
309
310 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
311 if (sc->sc_ih == NULL) {
312 aprint_error("%s: couldn't establish interrupt",
313 sc->sc_dev.dv_xname);
314 if (intrstr != NULL)
315 aprint_normal(" at %s", intrstr);
316 aprint_normal("\n");
317 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
318 return;
319 }
320
321 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
322
323 /* disable SBPro compat & others */
324 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
325
326 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
327 /* XXX what to do about MIDI, FM, joystick? */
328
329 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
330 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
331
332 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
333
334 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
335
336 sc->host_if.arg = sc;
337 sc->host_if.attach = auvia_attach_codec;
338 sc->host_if.read = auvia_read_codec;
339 sc->host_if.write = auvia_write_codec;
340 sc->host_if.reset = auvia_reset_codec;
341
342 if ((r = ac97_attach(&sc->host_if)) != 0) {
343 aprint_error("%s: can't attach codec (error 0x%X)\n",
344 sc->sc_dev.dv_xname, r);
345 pci_intr_disestablish(pc, sc->sc_ih);
346 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
347 return;
348 }
349
350 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
351 }
352
353
354 int
355 auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
356 {
357 struct auvia_softc *sc = addr;
358
359 sc->codec_if = cif;
360
361 return 0;
362 }
363
364
365 void
366 auvia_reset_codec(void *addr)
367 {
368 int i;
369 struct auvia_softc *sc = addr;
370 pcireg_t r;
371
372 /* perform a codec cold reset */
373
374 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
375
376 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */
377 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
378 delay(2);
379
380 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */
381 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
382 delay(200);
383
384 for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
385 AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
386 DELAY(1);
387 if (i == 0)
388 printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
389 }
390
391
392 int
393 auvia_waitready_codec(struct auvia_softc *sc)
394 {
395 int i;
396
397 /* poll until codec not busy */
398 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
399 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
400 delay(1);
401 if (i >= TIMEOUT) {
402 printf("%s: codec busy\n", sc->sc_dev.dv_xname);
403 return 1;
404 }
405
406 return 0;
407 }
408
409
410 int
411 auvia_waitvalid_codec(struct auvia_softc *sc)
412 {
413 int i;
414
415 /* poll until codec valid */
416 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
417 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
418 delay(1);
419 if (i >= TIMEOUT) {
420 printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
421 return 1;
422 }
423
424 return 0;
425 }
426
427
428 int
429 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
430 {
431 struct auvia_softc *sc = addr;
432
433 if (auvia_waitready_codec(sc))
434 return 1;
435
436 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
437 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
438
439 return 0;
440 }
441
442
443 int
444 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
445 {
446 struct auvia_softc *sc = addr;
447
448 if (auvia_waitready_codec(sc))
449 return 1;
450
451 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
452 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
453
454 if (auvia_waitready_codec(sc))
455 return 1;
456
457 if (auvia_waitvalid_codec(sc))
458 return 1;
459
460 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
461
462 return 0;
463 }
464
465
466 int
467 auvia_open(void *addr, int flags)
468 {
469 return 0;
470 }
471
472
473 void
474 auvia_close(void *addr)
475 {
476 struct auvia_softc *sc = addr;
477
478 auvia_halt_output(sc);
479 auvia_halt_input(sc);
480
481 sc->sc_play.sc_intr = NULL;
482 sc->sc_record.sc_intr = NULL;
483 }
484
485
486 int
487 auvia_query_encoding(void *addr, struct audio_encoding *fp)
488 {
489 switch (fp->index) {
490 case 0:
491 strcpy(fp->name, AudioEulinear);
492 fp->encoding = AUDIO_ENCODING_ULINEAR;
493 fp->precision = 8;
494 fp->flags = 0;
495 return (0);
496 case 1:
497 strcpy(fp->name, AudioEmulaw);
498 fp->encoding = AUDIO_ENCODING_ULAW;
499 fp->precision = 8;
500 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
501 return (0);
502 case 2:
503 strcpy(fp->name, AudioEalaw);
504 fp->encoding = AUDIO_ENCODING_ALAW;
505 fp->precision = 8;
506 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
507 return (0);
508 case 3:
509 strcpy(fp->name, AudioEslinear);
510 fp->encoding = AUDIO_ENCODING_SLINEAR;
511 fp->precision = 8;
512 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
513 return (0);
514 case 4:
515 strcpy(fp->name, AudioEslinear_le);
516 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
517 fp->precision = 16;
518 fp->flags = 0;
519 return (0);
520 case 5:
521 strcpy(fp->name, AudioEulinear_le);
522 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
523 fp->precision = 16;
524 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
525 return (0);
526 case 6:
527 strcpy(fp->name, AudioEslinear_be);
528 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
529 fp->precision = 16;
530 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
531 return (0);
532 case 7:
533 strcpy(fp->name, AudioEulinear_be);
534 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
535 fp->precision = 16;
536 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
537 return (0);
538 default:
539 return (EINVAL);
540 }
541 }
542
543 void
544 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
545 struct audio_params *p)
546 {
547 u_int32_t v;
548 u_int16_t regval;
549
550 if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
551 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
552 | (p->precision * p->factor == 16 ?
553 AUVIA_RPMODE_16BIT : 0)
554 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
555 | AUVIA_RPMODE_AUTOSTART;
556 ch->sc_reg = regval;
557 } else if (ch->sc_base != VIA8233_MP_BASE) {
558 v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
559 v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
560 | VIA8233_RATEFMT_16BIT);
561
562 v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
563 / (48000 / 20);
564 if (p->channels == 2)
565 v |= VIA8233_RATEFMT_STEREO;
566 if (p->precision == 16)
567 v |= VIA8233_RATEFMT_16BIT;
568
569 CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
570 } else {
571 static const u_int32_t slottab[7] =
572 { 0, 0xff000011, 0xff000021, 0,
573 0xff004321, 0, 0xff436521};
574
575 regval = (p->hw_precision == 16
576 ? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
577 | (p->hw_channels << 4);
578 CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
579 CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->hw_channels]);
580 }
581 }
582
583 int
584 auvia_set_params(void *addr, int setmode, int usemode,
585 struct audio_params *play, struct audio_params *rec)
586 {
587 struct auvia_softc *sc = addr;
588 struct auvia_softc_chan *ch;
589 struct audio_params *p;
590 struct ac97_codec_if* codec;
591 int reg, mode;
592 u_int16_t ext_id;
593
594 codec = sc->codec_if;
595 /* for mode in (RECORD, PLAY) */
596 for (mode = AUMODE_RECORD; mode != -1;
597 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
598 if ((setmode & mode) == 0)
599 continue;
600
601 if (mode == AUMODE_PLAY ) {
602 p = play;
603 ch = &sc->sc_play;
604 reg = AC97_REG_PCM_FRONT_DAC_RATE;
605 } else {
606 p = rec;
607 ch = &sc->sc_record;
608 reg = AC97_REG_PCM_LR_ADC_RATE;
609 }
610
611 if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) {
612 ext_id = codec->vtbl->get_extcaps(codec);
613 if (p->channels == 1) {
614 /* ok */
615 } else if (p->channels == 2) {
616 /* ok */
617 } else if (p->channels == 4
618 && ext_id & AC97_EXT_AUDIO_SDAC) {
619 /* ok */
620 #define BITS_6CH (AC97_EXT_AUDIO_SDAC | AC97_EXT_AUDIO_CDAC | AC97_EXT_AUDIO_LDAC)
621 } else if (p->channels == 6
622 && (ext_id & BITS_6CH) == BITS_6CH) {
623 /* ok */
624 } else {
625 return (EINVAL);
626 }
627 } else {
628 if (p->channels != 1 && p->channels != 2)
629 return (EINVAL);
630 }
631 if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
632 (p->precision != 8 && p->precision != 16))
633 return (EINVAL);
634
635 if (IS_FIXED_RATE(codec)) {
636 /* Enable aurateconv */
637 p->hw_sample_rate = AC97_SINGLE_RATE;
638 } else {
639 if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
640 return (EINVAL);
641 reg = AC97_REG_PCM_SURR_DAC_RATE;
642 if (p->channels >= 4
643 && codec->vtbl->set_rate(codec, reg,
644 &p->sample_rate))
645 return (EINVAL);
646 reg = AC97_REG_PCM_LFE_DAC_RATE;
647 if (p->channels == 6
648 && codec->vtbl->set_rate(codec, reg,
649 &p->sample_rate))
650 return (EINVAL);
651 }
652
653 p->factor = 1;
654 p->sw_code = 0;
655 switch (p->encoding) {
656 case AUDIO_ENCODING_SLINEAR_BE:
657 if (p->precision == 16) {
658 p->sw_code = swap_bytes;
659 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
660 } else {
661 p->sw_code = change_sign8;
662 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
663 }
664 break;
665 case AUDIO_ENCODING_SLINEAR_LE:
666 if (p->precision != 16) {
667 p->sw_code = change_sign8;
668 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
669 }
670 break;
671 case AUDIO_ENCODING_ULINEAR_BE:
672 if (p->precision == 16) {
673 if (mode == AUMODE_PLAY)
674 p->sw_code = swap_bytes_change_sign16_le;
675 else
676 p->sw_code = change_sign16_swap_bytes_le;
677 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
678 }
679 break;
680 case AUDIO_ENCODING_ULINEAR_LE:
681 if (p->precision == 16) {
682 p->sw_code = change_sign16_le;
683 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
684 }
685 break;
686 case AUDIO_ENCODING_ULAW:
687 if (p->precision != 8)
688 return (EINVAL);
689 if (mode == AUMODE_PLAY) {
690 p->factor = 2;
691 p->sw_code = mulaw_to_slinear16_le;
692 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
693 p->hw_precision = 16;
694 } else if (!IS_FIXED_RATE(codec)) {
695 p->sw_code = ulinear8_to_mulaw;
696 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
697 } else {
698 /* aurateconv supports no 8 bit PCM */
699 p->factor = 2;
700 p->sw_code = slinear16_to_mulaw_le;
701 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
702 p->hw_precision = 16;
703 }
704 break;
705 case AUDIO_ENCODING_ALAW:
706 if (p->precision != 8)
707 return (EINVAL);
708 if (mode == AUMODE_PLAY) {
709 p->factor = 2;
710 p->sw_code = alaw_to_slinear16_le;
711 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
712 p->hw_precision = 16;
713 } else if (!IS_FIXED_RATE(codec)) {
714 p->sw_code = ulinear8_to_alaw;
715 p->hw_encoding = AUDIO_ENCODING_ULINEAR;
716 } else {
717 /* aurateconv supports no 8 bit PCM */
718 p->factor = 2;
719 p->sw_code = slinear16_to_alaw_le;
720 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE;
721 p->hw_precision = 16;
722 }
723 break;
724 default:
725 return (EINVAL);
726 }
727 auvia_set_params_sub(sc, ch, p);
728 }
729
730 return 0;
731 }
732
733
734 int
735 auvia_round_blocksize(void *addr, int blk)
736 {
737 return (blk & -32);
738 }
739
740
741 int
742 auvia_halt_output(void *addr)
743 {
744 struct auvia_softc *sc = addr;
745 struct auvia_softc_chan *ch = &(sc->sc_play);
746
747 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
748 return 0;
749 }
750
751
752 int
753 auvia_halt_input(void *addr)
754 {
755 struct auvia_softc *sc = addr;
756 struct auvia_softc_chan *ch = &(sc->sc_record);
757
758 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
759 return 0;
760 }
761
762
763 int
764 auvia_getdev(void *addr, struct audio_device *retp)
765 {
766 struct auvia_softc *sc = addr;
767
768 if (retp) {
769 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
770 strncpy(retp->name, "VIA VT8233/8235",
771 sizeof(retp->name));
772 } else {
773 strncpy(retp->name, "VIA VT82C686A",
774 sizeof(retp->name));
775 }
776 strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
777 strncpy(retp->config, "auvia", sizeof(retp->config));
778 }
779
780 return 0;
781 }
782
783
784 int
785 auvia_set_port(void *addr, mixer_ctrl_t *cp)
786 {
787 struct auvia_softc *sc = addr;
788
789 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
790 }
791
792
793 int
794 auvia_get_port(void *addr, mixer_ctrl_t *cp)
795 {
796 struct auvia_softc *sc = addr;
797
798 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
799 }
800
801
802 int
803 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
804 {
805 struct auvia_softc *sc = addr;
806
807 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
808 }
809
810
811 void *
812 auvia_malloc(void *addr, int direction, size_t size, struct malloc_type * pool,
813 int flags)
814 {
815 struct auvia_softc *sc = addr;
816 struct auvia_dma *p;
817 int error;
818 int rseg;
819
820 p = malloc(sizeof(*p), pool, flags);
821 if (!p)
822 return 0;
823
824 p->size = size;
825 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
826 1, &rseg, BUS_DMA_NOWAIT)) != 0) {
827 printf("%s: unable to allocate DMA, error = %d\n",
828 sc->sc_dev.dv_xname, error);
829 goto fail_alloc;
830 }
831
832 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
833 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
834 printf("%s: unable to map DMA, error = %d\n",
835 sc->sc_dev.dv_xname, error);
836 goto fail_map;
837 }
838
839 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
840 BUS_DMA_NOWAIT, &p->map)) != 0) {
841 printf("%s: unable to create DMA map, error = %d\n",
842 sc->sc_dev.dv_xname, error);
843 goto fail_create;
844 }
845
846 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
847 BUS_DMA_NOWAIT)) != 0) {
848 printf("%s: unable to load DMA map, error = %d\n",
849 sc->sc_dev.dv_xname, error);
850 goto fail_load;
851 }
852
853 p->next = sc->sc_dmas;
854 sc->sc_dmas = p;
855
856 return p->addr;
857
858
859 fail_load:
860 bus_dmamap_destroy(sc->sc_dmat, p->map);
861 fail_create:
862 bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
863 fail_map:
864 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
865 fail_alloc:
866 free(p, pool);
867 return 0;
868 }
869
870
871 void
872 auvia_free(void *addr, void *ptr, struct malloc_type *pool)
873 {
874 struct auvia_softc *sc = addr;
875 struct auvia_dma **pp, *p;
876
877 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
878 if (p->addr == ptr) {
879 bus_dmamap_unload(sc->sc_dmat, p->map);
880 bus_dmamap_destroy(sc->sc_dmat, p->map);
881 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
882 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
883
884 *pp = p->next;
885 free(p, pool);
886 return;
887 }
888
889 panic("auvia_free: trying to free unallocated memory");
890 }
891
892
893 size_t
894 auvia_round_buffersize(void *addr, int direction, size_t size)
895 {
896 return size;
897 }
898
899
900 paddr_t
901 auvia_mappage(void *addr, void *mem, off_t off, int prot)
902 {
903 struct auvia_softc *sc = addr;
904 struct auvia_dma *p;
905
906 if (off < 0)
907 return -1;
908
909 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
910 ;
911
912 if (!p)
913 return -1;
914
915 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
916 BUS_DMA_WAITOK);
917 }
918
919
920 int
921 auvia_get_props(void *addr)
922 {
923 struct auvia_softc *sc = addr;
924 int props;
925
926 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
927 /*
928 * Even if the codec is fixed-rate, set_param() succeeds for any sample
929 * rate because of aurateconv. Applications can't know what rate the
930 * device can process in the case of mmap().
931 */
932 if (!IS_FIXED_RATE(sc->codec_if))
933 props |= AUDIO_PROP_MMAP;
934 return props;
935 }
936
937
938 int
939 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
940 struct auvia_dma *p, void *start, void *end, int blksize)
941 {
942 struct auvia_dma_op *op;
943 struct auvia_dma *dp;
944 bus_addr_t s;
945 size_t l;
946 int segs;
947
948 s = p->map->dm_segs[0].ds_addr;
949 l = ((char *)end - (char *)start);
950 segs = (l + blksize - 1) / blksize;
951
952 if (segs > (ch->sc_dma_op_count)) {
953 /* if old list was too small, free it */
954 if (ch->sc_dma_ops) {
955 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
956 }
957
958 ch->sc_dma_ops = auvia_malloc(sc, 0,
959 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
960
961 if (ch->sc_dma_ops == NULL) {
962 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname);
963 return 1;
964 }
965
966 for (dp = sc->sc_dmas;
967 dp && dp->addr != (void *)(ch->sc_dma_ops);
968 dp = dp->next)
969 ;
970
971 if (!dp)
972 panic("%s: build_dma_ops: where'd my memory go??? "
973 "address (%p)\n", sc->sc_dev.dv_xname,
974 ch->sc_dma_ops);
975
976 ch->sc_dma_op_count = segs;
977 ch->sc_dma_ops_dma = dp;
978 }
979
980 dp = ch->sc_dma_ops_dma;
981 op = ch->sc_dma_ops;
982
983 while (l) {
984 op->ptr = s;
985 l = l - blksize;
986 if (!l) {
987 /* if last block */
988 op->flags = AUVIA_DMAOP_EOL | blksize;
989 } else {
990 op->flags = AUVIA_DMAOP_FLAG | blksize;
991 }
992 s += blksize;
993 op++;
994 }
995
996 return 0;
997 }
998
999
1000 int
1001 auvia_trigger_output(void *addr, void *start, void *end,
1002 int blksize, void (*intr)(void *), void *arg,
1003 struct audio_params *param)
1004 {
1005 struct auvia_softc *sc = addr;
1006 struct auvia_softc_chan *ch = &(sc->sc_play);
1007 struct auvia_dma *p;
1008
1009 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1010 ;
1011
1012 if (!p)
1013 panic("auvia_trigger_output: request with bad start "
1014 "address (%p)", start);
1015
1016 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1017 return 1;
1018 }
1019
1020 ch->sc_intr = intr;
1021 ch->sc_arg = arg;
1022
1023 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1024 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1025
1026 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1027 if (ch->sc_base != VIA8233_MP_BASE) {
1028 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1029 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1030 }
1031 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1032 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1033 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1034 } else {
1035 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1036 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1037 }
1038
1039 return 0;
1040 }
1041
1042
1043 int
1044 auvia_trigger_input(void *addr, void *start, void *end,
1045 int blksize, void (*intr)(void *), void *arg,
1046 struct audio_params *param)
1047 {
1048 struct auvia_softc *sc = addr;
1049 struct auvia_softc_chan *ch = &(sc->sc_record);
1050 struct auvia_dma *p;
1051
1052 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1053 ;
1054
1055 if (!p)
1056 panic("auvia_trigger_input: request with bad start "
1057 "address (%p)", start);
1058
1059 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1060 return 1;
1061 }
1062
1063 ch->sc_intr = intr;
1064 ch->sc_arg = arg;
1065
1066 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1067 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1068
1069 if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1070 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1071 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1072 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1073 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1074 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1075 } else {
1076 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1077 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1078 }
1079
1080 return 0;
1081 }
1082
1083
1084 int
1085 auvia_intr(void *arg)
1086 {
1087 struct auvia_softc *sc = arg;
1088 struct auvia_softc_chan *ch;
1089 u_int8_t r;
1090 int rval;
1091
1092 rval = 0;
1093
1094 ch = &sc->sc_record;
1095 r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1096 if (r & AUVIA_RPSTAT_INTR) {
1097 if (sc->sc_record.sc_intr)
1098 sc->sc_record.sc_intr(sc->sc_record.sc_arg);
1099
1100 /* clear interrupts */
1101 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1102 rval = 1;
1103 }
1104
1105 ch = &sc->sc_play;
1106 r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1107 if (r & AUVIA_RPSTAT_INTR) {
1108 if (sc->sc_play.sc_intr)
1109 sc->sc_play.sc_intr(sc->sc_play.sc_arg);
1110
1111 /* clear interrupts */
1112 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1113 rval = 1;
1114 }
1115
1116 return rval;
1117 }
1118