auich.c revision 1.3.4.2 1 /* $NetBSD: auich.c,v 1.3.4.2 2002/02/11 20:09:55 jdolecek 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 Jason R. Thorpe.
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 * Copyright (c) 2000 Michael Shalayeff
41 * All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. The name of the author may not be used to endorse or promote products
52 * derived from this software without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
57 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
58 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
59 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
60 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
62 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
63 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
64 * THE POSSIBILITY OF SUCH DAMAGE.
65 *
66 * from OpenBSD: ich.c,v 1.3 2000/08/11 06:17:18 mickey Exp
67 */
68
69 /* #define ICH_DEBUG */
70 /*
71 * AC'97 audio found on Intel 810/820/440MX chipsets.
72 * http://developer.intel.com/design/chipsets/datashts/290655.htm
73 * http://developer.intel.com/design/chipsets/manuals/298028.htm
74 *
75 * TODO:
76 *
77 * - Probe codecs for supported sample rates.
78 *
79 * - Add support for the microphone input.
80 */
81
82 #include <sys/cdefs.h>
83 __KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.3.4.2 2002/02/11 20:09:55 jdolecek Exp $");
84
85 #include <sys/param.h>
86 #include <sys/systm.h>
87 #include <sys/kernel.h>
88 #include <sys/malloc.h>
89 #include <sys/device.h>
90 #include <sys/fcntl.h>
91 #include <sys/proc.h>
92
93 #include <uvm/uvm_extern.h> /* for PAGE_SIZE */
94
95 #include <dev/pci/pcidevs.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/auichreg.h>
98
99 #include <sys/audioio.h>
100 #include <dev/audio_if.h>
101 #include <dev/mulaw.h>
102 #include <dev/auconv.h>
103
104 #include <machine/bus.h>
105
106 #include <dev/ic/ac97reg.h>
107 #include <dev/ic/ac97var.h>
108
109 struct auich_dma {
110 bus_dmamap_t map;
111 caddr_t addr;
112 bus_dma_segment_t segs[1];
113 int nsegs;
114 size_t size;
115 struct auich_dma *next;
116 };
117
118 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
119 #define KERNADDR(p) ((void *)((p)->addr))
120
121 struct auich_cdata {
122 struct auich_dmalist ic_dmalist_pcmo[ICH_DMALIST_MAX];
123 struct auich_dmalist ic_dmalist_pcmi[ICH_DMALIST_MAX];
124 struct auich_dmalist ic_dmalist_mici[ICH_DMALIST_MAX];
125 };
126
127 #define ICH_CDOFF(x) offsetof(struct auich_cdata, x)
128 #define ICH_PCMO_OFF(x) ICH_CDOFF(ic_dmalist_pcmo[(x)])
129 #define ICH_PCMI_OFF(x) ICH_CDOFF(ic_dmalist_pcmi[(x)])
130 #define ICH_MICI_OFF(x) ICH_CDOFF(ic_dmalist_mici[(x)])
131
132 struct auich_softc {
133 struct device sc_dev;
134 void *sc_ih;
135
136 audio_device_t sc_audev;
137
138 bus_space_tag_t iot;
139 bus_space_handle_t mix_ioh;
140 bus_space_handle_t aud_ioh;
141 bus_dma_tag_t dmat;
142
143 struct ac97_codec_if *codec_if;
144 struct ac97_host_if host_if;
145
146 /* DMA scatter-gather lists. */
147 bus_dmamap_t sc_cddmamap;
148 #define sc_cddma sc_cddmamap->dm_segs[0].ds_addr
149
150 struct auich_cdata *sc_cdata;
151 #define dmalist_pcmo sc_cdata->ic_dmalist_pcmo
152 #define dmalist_pcmi sc_cdata->ic_dmalist_pcmi
153 #define dmalist_mici sc_cdata->ic_dmalist_mici
154
155 int ptr_pcmo,
156 ptr_pcmi,
157 ptr_mici;
158
159 /* i/o buffer pointers */
160 u_int32_t pcmo_start, pcmo_p, pcmo_end;
161 int pcmo_blksize, pcmo_fifoe;
162
163 u_int32_t pcmi_start, pcmi_p, pcmi_end;
164 int pcmi_blksize, pcmi_fifoe;
165
166 u_int32_t mici_start, mici_p, mici_end;
167 int mici_blksize, mici_fifoe;
168
169 struct auich_dma *sc_dmas;
170
171 int sc_fixed_rate;
172
173 void (*sc_pintr)(void *);
174 void *sc_parg;
175
176 void (*sc_rintr)(void *);
177 void *sc_rarg;
178
179 /* Power Management */
180 void *sc_powerhook;
181 int sc_suspend;
182 u_int16_t ext_status;
183 };
184
185 /* Debug */
186 #ifdef AUDIO_DEBUG
187 #define DPRINTF(l,x) do { if (auich_debug & (l)) printf x; } while(0)
188 int auich_debug = 0xfffe;
189 #define ICH_DEBUG_CODECIO 0x0001
190 #define ICH_DEBUG_DMA 0x0002
191 #define ICH_DEBUG_PARAM 0x0004
192 #else
193 #define DPRINTF(x,y) /* nothing */
194 #endif
195
196 int auich_match(struct device *, struct cfdata *, void *);
197 void auich_attach(struct device *, struct device *, void *);
198 int auich_intr(void *);
199
200 struct cfattach auich_ca = {
201 sizeof(struct auich_softc), auich_match, auich_attach
202 };
203
204 int auich_open(void *, int);
205 void auich_close(void *);
206 int auich_query_encoding(void *, struct audio_encoding *);
207 int auich_set_params(void *, int, int, struct audio_params *,
208 struct audio_params *);
209 int auich_round_blocksize(void *, int);
210 int auich_halt_output(void *);
211 int auich_halt_input(void *);
212 int auich_getdev(void *, struct audio_device *);
213 int auich_set_port(void *, mixer_ctrl_t *);
214 int auich_get_port(void *, mixer_ctrl_t *);
215 int auich_query_devinfo(void *, mixer_devinfo_t *);
216 void *auich_allocm(void *, int, size_t, int, int);
217 void auich_freem(void *, void *, int);
218 size_t auich_round_buffersize(void *, int, size_t);
219 paddr_t auich_mappage(void *, void *, off_t, int);
220 int auich_get_props(void *);
221 int auich_trigger_output(void *, void *, void *, int, void (*)(void *),
222 void *, struct audio_params *);
223 int auich_trigger_input(void *, void *, void *, int, void (*)(void *),
224 void *, struct audio_params *);
225
226 int auich_alloc_cdata(struct auich_softc *);
227
228 int auich_allocmem(struct auich_softc *, size_t, size_t,
229 struct auich_dma *);
230 int auich_freemem(struct auich_softc *, struct auich_dma *);
231
232 void auich_powerhook(int, void *);
233
234 struct audio_hw_if auich_hw_if = {
235 auich_open,
236 auich_close,
237 NULL, /* drain */
238 auich_query_encoding,
239 auich_set_params,
240 auich_round_blocksize,
241 NULL, /* commit_setting */
242 NULL, /* init_output */
243 NULL, /* init_input */
244 NULL, /* start_output */
245 NULL, /* start_input */
246 auich_halt_output,
247 auich_halt_input,
248 NULL, /* speaker_ctl */
249 auich_getdev,
250 NULL, /* getfd */
251 auich_set_port,
252 auich_get_port,
253 auich_query_devinfo,
254 auich_allocm,
255 auich_freem,
256 auich_round_buffersize,
257 auich_mappage,
258 auich_get_props,
259 auich_trigger_output,
260 auich_trigger_input,
261 NULL, /* dev_ioctl */
262 };
263
264 int auich_attach_codec(void *, struct ac97_codec_if *);
265 int auich_read_codec(void *, u_int8_t, u_int16_t *);
266 int auich_write_codec(void *, u_int8_t, u_int16_t);
267 void auich_reset_codec(void *);
268
269 static const struct auich_devtype {
270 int product;
271 const char *name;
272 const char *shortname;
273 } auich_devices[] = {
274 { PCI_PRODUCT_INTEL_82801AA_ACA,
275 "i82801AA (ICH) AC-97 Audio", "ICH" },
276 { PCI_PRODUCT_INTEL_82801AB_ACA,
277 "i82801AB (ICH0) AC-97 Audio", "ICH0" },
278 { PCI_PRODUCT_INTEL_82801BA_ACA,
279 "i82801BA (ICH2) AC-97 Audio", "ICH2" },
280 { PCI_PRODUCT_INTEL_82440MX_ACA,
281 "i82440MX AC-97 Audio", "440MX" },
282 { PCI_PRODUCT_INTEL_82801CA_AC,
283 "i82801CA AC-97 Audio", "i830M" },
284
285 { 0,
286 NULL, NULL },
287 };
288
289 static const struct auich_devtype *
290 auich_lookup(struct pci_attach_args *pa)
291 {
292 const struct auich_devtype *d;
293
294 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEL)
295 return (NULL);
296
297 for (d = auich_devices; d->name != NULL; d++) {
298 if (PCI_PRODUCT(pa->pa_id) == d->product)
299 return (d);
300 }
301
302 return (NULL);
303 }
304
305 int
306 auich_match(struct device *parent, struct cfdata *match, void *aux)
307 {
308 struct pci_attach_args *pa = aux;
309
310 if (auich_lookup(pa) != NULL)
311 return (1);
312
313 return (0);
314 }
315
316 void
317 auich_attach(struct device *parent, struct device *self, void *aux)
318 {
319 struct auich_softc *sc = (struct auich_softc *)self;
320 struct pci_attach_args *pa = aux;
321 pci_intr_handle_t ih;
322 bus_size_t mix_size, aud_size;
323 pcireg_t csr;
324 const char *intrstr;
325 const struct auich_devtype *d;
326 u_int16_t ext_id, ext_status;
327
328 d = auich_lookup(pa);
329 if (d == NULL)
330 panic("auich_attach: impossible");
331
332 printf(": %s\n", d->name);
333
334 if (pci_mapreg_map(pa, ICH_NAMBAR, PCI_MAPREG_TYPE_IO, 0,
335 &sc->iot, &sc->mix_ioh, NULL, &mix_size)) {
336 printf("%s: can't map codec i/o space\n",
337 sc->sc_dev.dv_xname);
338 return;
339 }
340 if (pci_mapreg_map(pa, ICH_NABMBAR, PCI_MAPREG_TYPE_IO, 0,
341 &sc->iot, &sc->aud_ioh, NULL, &aud_size)) {
342 printf("%s: can't map device i/o space\n",
343 sc->sc_dev.dv_xname);
344 return;
345 }
346 sc->dmat = pa->pa_dmat;
347
348 /* enable bus mastering */
349 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
350 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
351 csr | PCI_COMMAND_MASTER_ENABLE);
352
353 /* Map and establish the interrupt. */
354 if (pci_intr_map(pa, &ih)) {
355 printf("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
356 return;
357 }
358 intrstr = pci_intr_string(pa->pa_pc, ih);
359 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO,
360 auich_intr, sc);
361 if (sc->sc_ih == NULL) {
362 printf("%s: can't establish interrupt", sc->sc_dev.dv_xname);
363 if (intrstr != NULL)
364 printf(" at %s", intrstr);
365 printf("\n");
366 return;
367 }
368 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
369
370 sprintf(sc->sc_audev.name, "%s AC97", d->shortname);
371 sprintf(sc->sc_audev.version, "0x%02x", PCI_REVISION(pa->pa_class));
372 strcpy(sc->sc_audev.config, sc->sc_dev.dv_xname);
373
374 /* Set up DMA lists. */
375 sc->ptr_pcmo = sc->ptr_pcmi = sc->ptr_mici = 0;
376 auich_alloc_cdata(sc);
377
378 DPRINTF(ICH_DEBUG_DMA, ("auich_attach: lists %p %p %p\n",
379 sc->dmalist_pcmo, sc->dmalist_pcmi, sc->dmalist_mici));
380
381 /* Reset codec and AC'97 */
382 auich_reset_codec(sc);
383
384 sc->host_if.arg = sc;
385 sc->host_if.attach = auich_attach_codec;
386 sc->host_if.read = auich_read_codec;
387 sc->host_if.write = auich_write_codec;
388 sc->host_if.reset = auich_reset_codec;
389
390 if (ac97_attach(&sc->host_if) != 0)
391 return;
392
393 auich_read_codec(sc, AC97_REG_EXTENDED_ID, &ext_id);
394 if ((ext_id & (AC97_CODEC_DOES_VRA | AC97_CODEC_DOES_MICVRA)) != 0) {
395 auich_read_codec(sc, AC97_REG_EXTENDED_STATUS, &ext_status);
396 if ((ext_id & AC97_CODEC_DOES_VRA) !=0)
397 ext_status |= AC97_ENAB_VRA;
398 if ((ext_id & AC97_CODEC_DOES_MICVRA) !=0)
399 ext_status |= AC97_ENAB_MICVRA;
400 auich_write_codec(sc, AC97_REG_EXTENDED_STATUS, ext_status);
401 sc->sc_fixed_rate = 0;
402 } else {
403 sc->sc_fixed_rate = 48000;
404 }
405
406 audio_attach_mi(&auich_hw_if, sc, &sc->sc_dev);
407
408 /* Watch for power change */
409 sc->sc_suspend = PWR_RESUME;
410 sc->sc_powerhook = powerhook_establish(auich_powerhook, sc);
411 }
412
413 int
414 auich_read_codec(void *v, u_int8_t reg, u_int16_t *val)
415 {
416 struct auich_softc *sc = v;
417 int i;
418
419 /* wait for an access semaphore */
420 for (i = ICH_SEMATIMO; i-- &&
421 bus_space_read_1(sc->iot, sc->aud_ioh, ICH_CAS) & 1; DELAY(1));
422
423 if (i > 0) {
424 *val = bus_space_read_2(sc->iot, sc->mix_ioh, reg);
425 DPRINTF(ICH_DEBUG_CODECIO,
426 ("auich_read_codec(%x, %x)\n", reg, *val));
427
428 return 0;
429 } else {
430 DPRINTF(ICH_DEBUG_CODECIO,
431 ("%s: read_codec timeout\n", sc->sc_dev.dv_xname));
432 return -1;
433 }
434 }
435
436 int
437 auich_write_codec(void *v, u_int8_t reg, u_int16_t val)
438 {
439 struct auich_softc *sc = v;
440 int i;
441
442 DPRINTF(ICH_DEBUG_CODECIO, ("auich_write_codec(%x, %x)\n", reg, val));
443
444 /* wait for an access semaphore */
445 for (i = ICH_SEMATIMO; i-- &&
446 bus_space_read_1(sc->iot, sc->aud_ioh, ICH_CAS) & 1; DELAY(1));
447
448 if (i > 0) {
449 bus_space_write_2(sc->iot, sc->mix_ioh, reg, val);
450 return 0;
451 } else {
452 DPRINTF(ICH_DEBUG_CODECIO,
453 ("%s: write_codec timeout\n", sc->sc_dev.dv_xname));
454 return -1;
455 }
456 }
457
458 int
459 auich_attach_codec(void *v, struct ac97_codec_if *cif)
460 {
461 struct auich_softc *sc = v;
462
463 sc->codec_if = cif;
464 return 0;
465 }
466
467 void
468 auich_reset_codec(void *v)
469 {
470 struct auich_softc *sc = v;
471
472 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_GCTRL, 0);
473 DELAY(10);
474 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_GCTRL, ICH_CRESET);
475 }
476
477 int
478 auich_open(void *v, int flags)
479 {
480
481 return 0;
482 }
483
484 void
485 auich_close(void *v)
486 {
487 struct auich_softc *sc = v;
488
489 auich_halt_output(sc);
490 auich_halt_input(sc);
491
492 sc->sc_pintr = NULL;
493 sc->sc_rintr = NULL;
494 }
495
496 int
497 auich_query_encoding(void *v, struct audio_encoding *aep)
498 {
499
500 #if 0 /* XXX Not until we emulate it. */
501 switch (aep->index) {
502 case 0:
503 strcpy(aep->name, AudioEulinear);
504 aep->encoding = AUDIO_ENCODING_ULINEAR;
505 aep->precision = 8;
506 aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
507 return (0);
508 #else
509 switch (aep->index + 1) {
510 #endif
511 case 1:
512 strcpy(aep->name, AudioEmulaw);
513 aep->encoding = AUDIO_ENCODING_ULAW;
514 aep->precision = 8;
515 aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
516 return (0);
517 case 2:
518 strcpy(aep->name, AudioEalaw);
519 aep->encoding = AUDIO_ENCODING_ALAW;
520 aep->precision = 8;
521 aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
522 return (0);
523 case 3:
524 strcpy(aep->name, AudioEslinear);
525 aep->encoding = AUDIO_ENCODING_SLINEAR;
526 aep->precision = 8;
527 aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
528 return (0);
529 case 4:
530 strcpy(aep->name, AudioEslinear_le);
531 aep->encoding = AUDIO_ENCODING_SLINEAR_LE;
532 aep->precision = 16;
533 aep->flags = 0;
534 return (0);
535 case 5:
536 strcpy(aep->name, AudioEulinear_le);
537 aep->encoding = AUDIO_ENCODING_ULINEAR_LE;
538 aep->precision = 16;
539 aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
540 return (0);
541 case 6:
542 strcpy(aep->name, AudioEslinear_be);
543 aep->encoding = AUDIO_ENCODING_SLINEAR_BE;
544 aep->precision = 16;
545 aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
546 return (0);
547 case 7:
548 strcpy(aep->name, AudioEulinear_be);
549 aep->encoding = AUDIO_ENCODING_ULINEAR_BE;
550 aep->precision = 16;
551 aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
552 return (0);
553 default:
554 return (EINVAL);
555 }
556 }
557
558 int
559 auich_set_params(void *v, int setmode, int usemode, struct audio_params *play,
560 struct audio_params *rec)
561 {
562 struct auich_softc *sc = v;
563 struct audio_params *p;
564 int mode;
565 u_int16_t val, rate, inout;
566
567 for (mode = AUMODE_RECORD; mode != -1;
568 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
569 if ((setmode & mode) == 0)
570 continue;
571
572 p = mode == AUMODE_PLAY ? play : rec;
573 if (p == NULL)
574 continue;
575
576 inout = mode == AUMODE_PLAY ? ICH_PM_PCMO : ICH_PM_PCMI;
577
578 if ((p->sample_rate != 8000) &&
579 (p->sample_rate != 11025) &&
580 (p->sample_rate != 16000) &&
581 (p->sample_rate != 22050) &&
582 (p->sample_rate != 32000) &&
583 (p->sample_rate != 44100) &&
584 (p->sample_rate != 48000))
585 return (EINVAL);
586
587 p->factor = 1;
588 p->sw_code = NULL;
589 switch (p->encoding) {
590 case AUDIO_ENCODING_SLINEAR_BE:
591 if (p->precision == 16)
592 p->sw_code = swap_bytes;
593 else {
594 if (mode == AUMODE_PLAY)
595 p->sw_code = linear8_to_linear16_le;
596 else
597 p->sw_code = linear16_to_linear8_le;
598 }
599 break;
600
601 case AUDIO_ENCODING_SLINEAR_LE:
602 if (p->precision != 16) {
603 if (mode == AUMODE_PLAY)
604 p->sw_code = linear8_to_linear16_le;
605 else
606 p->sw_code = linear16_to_linear8_le;
607 }
608 break;
609
610 case AUDIO_ENCODING_ULINEAR_BE:
611 if (p->precision == 16) {
612 if (mode == AUMODE_PLAY)
613 p->sw_code =
614 swap_bytes_change_sign16_le;
615 else
616 p->sw_code =
617 change_sign16_swap_bytes_le;
618 } else {
619 /*
620 * XXX ulinear8_to_slinear16_le
621 */
622 return (EINVAL);
623 }
624 break;
625
626 case AUDIO_ENCODING_ULINEAR_LE:
627 if (p->precision == 16)
628 p->sw_code = change_sign16_le;
629 else {
630 /*
631 * XXX ulinear8_to_slinear16_le
632 */
633 return (EINVAL);
634 }
635 break;
636
637 case AUDIO_ENCODING_ULAW:
638 if (mode == AUMODE_PLAY) {
639 p->factor = 2;
640 p->sw_code = mulaw_to_slinear16_le;
641 } else {
642 /*
643 * XXX slinear16_le_to_mulaw
644 */
645 return (EINVAL);
646 }
647 break;
648
649 case AUDIO_ENCODING_ALAW:
650 if (mode == AUMODE_PLAY) {
651 p->factor = 2;
652 p->sw_code = alaw_to_slinear16_le;
653 } else {
654 /*
655 * XXX slinear16_le_to_alaw
656 */
657 return (EINVAL);
658 }
659 break;
660
661 default:
662 return (EINVAL);
663 }
664
665 auich_read_codec(sc, AC97_REG_POWER, &val);
666 auich_write_codec(sc, AC97_REG_POWER, val | inout);
667
668 auich_write_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE,
669 sc->sc_fixed_rate ? sc->sc_fixed_rate : p->sample_rate);
670 auich_read_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE, &rate);
671 p->sample_rate = rate;
672
673 auich_write_codec(sc, AC97_REG_POWER, val);
674 }
675
676 return (0);
677 }
678
679 int
680 auich_round_blocksize(void *v, int blk)
681 {
682
683 return (blk & ~0x3f); /* keep good alignment */
684 }
685
686 int
687 auich_halt_output(void *v)
688 {
689 struct auich_softc *sc = v;
690
691 DPRINTF(ICH_DEBUG_DMA, ("%s: halt_output\n", sc->sc_dev.dv_xname));
692
693 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_CTRL, ICH_RR);
694
695 return (0);
696 }
697
698 int
699 auich_halt_input(void *v)
700 {
701 struct auich_softc *sc = v;
702
703 DPRINTF(ICH_DEBUG_DMA,
704 ("%s: halt_input\n", sc->sc_dev.dv_xname));
705
706 /* XXX halt both unless known otherwise */
707
708 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, ICH_RR);
709 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_MICI + ICH_CTRL, ICH_RR);
710
711 return (0);
712 }
713
714 int
715 auich_getdev(void *v, struct audio_device *adp)
716 {
717 struct auich_softc *sc = v;
718
719 *adp = sc->sc_audev;
720 return (0);
721 }
722
723 int
724 auich_set_port(void *v, mixer_ctrl_t *cp)
725 {
726 struct auich_softc *sc = v;
727
728 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
729 }
730
731 int
732 auich_get_port(void *v, mixer_ctrl_t *cp)
733 {
734 struct auich_softc *sc = v;
735
736 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
737 }
738
739 int
740 auich_query_devinfo(void *v, mixer_devinfo_t *dp)
741 {
742 struct auich_softc *sc = v;
743
744 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dp));
745 }
746
747 void *
748 auich_allocm(void *v, int direction, size_t size, int pool, int flags)
749 {
750 struct auich_softc *sc = v;
751 struct auich_dma *p;
752 int error;
753
754 if (size > (ICH_DMALIST_MAX * ICH_DMASEG_MAX))
755 return (NULL);
756
757 p = malloc(sizeof(*p), pool, flags|M_ZERO);
758 if (p == NULL)
759 return (NULL);
760
761 error = auich_allocmem(sc, size, 0, p);
762 if (error) {
763 free(p, pool);
764 return (NULL);
765 }
766
767 p->next = sc->sc_dmas;
768 sc->sc_dmas = p;
769
770 return (KERNADDR(p));
771 }
772
773 void
774 auich_freem(void *v, void *ptr, int pool)
775 {
776 struct auich_softc *sc = v;
777 struct auich_dma *p, **pp;
778
779 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
780 if (KERNADDR(p) == ptr) {
781 auich_freemem(sc, p);
782 *pp = p->next;
783 free(p, pool);
784 return;
785 }
786 }
787 }
788
789 size_t
790 auich_round_buffersize(void *v, int direction, size_t size)
791 {
792
793 if (size > (ICH_DMALIST_MAX * ICH_DMASEG_MAX))
794 size = ICH_DMALIST_MAX * ICH_DMASEG_MAX;
795
796 return size;
797 }
798
799 paddr_t
800 auich_mappage(void *v, void *mem, off_t off, int prot)
801 {
802 struct auich_softc *sc = v;
803 struct auich_dma *p;
804
805 if (off < 0)
806 return (-1);
807
808 for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
809 ;
810 if (!p)
811 return (-1);
812 return (bus_dmamem_mmap(sc->dmat, p->segs, p->nsegs,
813 off, prot, BUS_DMA_WAITOK));
814 }
815
816 int
817 auich_get_props(void *v)
818 {
819
820 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
821 AUDIO_PROP_FULLDUPLEX);
822 }
823
824 int
825 auich_intr(void *v)
826 {
827 struct auich_softc *sc = v;
828 int ret = 0, sts, gsts, i, qptr;
829
830 gsts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_GSTS);
831 DPRINTF(ICH_DEBUG_DMA, ("auich_intr: gsts=0x%x\n", gsts));
832
833 if (gsts & ICH_POINT) {
834 sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_PCMO+ICH_STS);
835 DPRINTF(ICH_DEBUG_DMA,
836 ("auich_intr: osts=0x%x\n", sts));
837
838 if (sts & ICH_FIFOE) {
839 printf("%s: fifo underrun # %u\n",
840 sc->sc_dev.dv_xname, ++sc->pcmo_fifoe);
841 }
842
843 i = bus_space_read_1(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_CIV);
844 if (sts & (ICH_LVBCI | ICH_CELV)) {
845 struct auich_dmalist *q;
846
847 qptr = sc->ptr_pcmo;
848
849 while (qptr != i) {
850 q = &sc->dmalist_pcmo[qptr];
851
852 q->base = sc->pcmo_p;
853 q->len = (sc->pcmo_blksize / 2) | ICH_DMAF_IOC;
854 DPRINTF(ICH_DEBUG_DMA,
855 ("auich_intr: %p, %p = %x @ 0x%x\n",
856 &sc->dmalist_pcmo[i], q,
857 sc->pcmo_blksize / 2, sc->pcmo_p));
858
859 sc->pcmo_p += sc->pcmo_blksize;
860 if (sc->pcmo_p >= sc->pcmo_end)
861 sc->pcmo_p = sc->pcmo_start;
862
863 if (++qptr == ICH_DMALIST_MAX)
864 qptr = 0;
865 }
866
867 sc->ptr_pcmo = qptr;
868 bus_space_write_1(sc->iot, sc->aud_ioh,
869 ICH_PCMO + ICH_LVI,
870 (sc->ptr_pcmo - 1) & ICH_LVI_MASK);
871 }
872
873 if (sts & ICH_BCIS && sc->sc_pintr)
874 sc->sc_pintr(sc->sc_parg);
875
876 /* int ack */
877 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_STS,
878 sts & (ICH_LVBCI | ICH_CELV | ICH_BCIS | ICH_FIFOE));
879 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_GSTS, ICH_POINT);
880 ret++;
881 }
882
883 if (gsts & ICH_PIINT) {
884 sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_PCMI+ICH_STS);
885 DPRINTF(ICH_DEBUG_DMA,
886 ("auich_intr: ists=0x%x\n", sts));
887
888 if (sts & ICH_FIFOE) {
889 printf("%s: fifo overrun # %u\n",
890 sc->sc_dev.dv_xname, ++sc->pcmi_fifoe);
891 }
892
893 i = bus_space_read_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CIV);
894 if (sts & (ICH_LVBCI | ICH_CELV)) {
895 struct auich_dmalist *q;
896
897 qptr = sc->ptr_pcmi;
898
899 while (qptr != i) {
900 q = &sc->dmalist_pcmi[qptr];
901
902 q->base = sc->pcmi_p;
903 q->len = (sc->pcmi_blksize / 2) | ICH_DMAF_IOC;
904 DPRINTF(ICH_DEBUG_DMA,
905 ("auich_intr: %p, %p = %x @ 0x%x\n",
906 &sc->dmalist_pcmi[i], q,
907 sc->pcmi_blksize / 2, sc->pcmi_p));
908
909 sc->pcmi_p += sc->pcmi_blksize;
910 if (sc->pcmi_p >= sc->pcmi_end)
911 sc->pcmi_p = sc->pcmi_start;
912
913 if (++qptr == ICH_DMALIST_MAX)
914 qptr = 0;
915 }
916
917 sc->ptr_pcmi = qptr;
918 bus_space_write_1(sc->iot, sc->aud_ioh,
919 ICH_PCMI + ICH_LVI,
920 (sc->ptr_pcmi - 1) & ICH_LVI_MASK);
921 }
922
923 if (sts & ICH_BCIS && sc->sc_rintr)
924 sc->sc_rintr(sc->sc_rarg);
925
926 /* int ack */
927 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_STS,
928 sts & (ICH_LVBCI | ICH_CELV | ICH_BCIS | ICH_FIFOE));
929 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_GSTS, ICH_POINT);
930 ret++;
931 }
932
933 if (gsts & ICH_MIINT) {
934 sts = bus_space_read_2(sc->iot, sc->aud_ioh, ICH_MICI+ICH_STS);
935 DPRINTF(ICH_DEBUG_DMA,
936 ("auich_intr: ists=0x%x\n", sts));
937 if (sts & ICH_FIFOE)
938 printf("%s: fifo overrun\n", sc->sc_dev.dv_xname);
939
940 /* TODO mic input dma */
941
942 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_GSTS, ICH_MIINT);
943 }
944
945 return ret;
946 }
947
948 int
949 auich_trigger_output(void *v, void *start, void *end, int blksize,
950 void (*intr)(void *), void *arg, struct audio_params *param)
951 {
952 struct auich_softc *sc = v;
953 struct auich_dmalist *q;
954 struct auich_dma *p;
955 size_t size;
956
957 DPRINTF(ICH_DEBUG_DMA,
958 ("auich_trigger_output(%p, %p, %d, %p, %p, %p)\n",
959 start, end, blksize, intr, arg, param));
960
961 sc->sc_pintr = intr;
962 sc->sc_parg = arg;
963
964 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
965 ;
966 if (!p) {
967 printf("auich_trigger_output: bad addr %p\n", start);
968 return (EINVAL);
969 }
970
971 size = (size_t)((caddr_t)end - (caddr_t)start);
972
973 /*
974 * The logic behind this is:
975 * setup one buffer to play, then LVI dump out the rest
976 * to the scatter-gather chain.
977 */
978 sc->pcmo_start = DMAADDR(p);
979 sc->pcmo_p = sc->pcmo_start + blksize;
980 sc->pcmo_end = sc->pcmo_start + size;
981 sc->pcmo_blksize = blksize;
982
983 sc->ptr_pcmo = 0;
984 q = &sc->dmalist_pcmo[sc->ptr_pcmo];
985 q->base = sc->pcmo_start;
986 q->len = (blksize / 2) | ICH_DMAF_IOC;
987 if (++sc->ptr_pcmo == ICH_DMALIST_MAX)
988 sc->ptr_pcmo = 0;
989
990 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_BDBAR,
991 sc->sc_cddma + ICH_PCMO_OFF(0));
992 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_CTRL,
993 ICH_IOCE | ICH_FEIE | ICH_LVBIE | ICH_RPBM);
994 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_LVI,
995 (sc->ptr_pcmo - 1) & ICH_LVI_MASK);
996
997 return (0);
998 }
999
1000 int
1001 auich_trigger_input(v, start, end, blksize, intr, arg, param)
1002 void *v;
1003 void *start, *end;
1004 int blksize;
1005 void (*intr)(void *);
1006 void *arg;
1007 struct audio_params *param;
1008 {
1009 struct auich_softc *sc = v;
1010 struct auich_dmalist *q;
1011 struct auich_dma *p;
1012 size_t size;
1013
1014 DPRINTF(ICH_DEBUG_DMA,
1015 ("auich_trigger_input(%p, %p, %d, %p, %p, %p)\n",
1016 start, end, blksize, intr, arg, param));
1017
1018 sc->sc_rintr = intr;
1019 sc->sc_rarg = arg;
1020
1021 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1022 ;
1023 if (!p) {
1024 printf("auich_trigger_input: bad addr %p\n", start);
1025 return (EINVAL);
1026 }
1027
1028 size = (size_t)((caddr_t)end - (caddr_t)start);
1029
1030 /*
1031 * The logic behind this is:
1032 * setup one buffer to play, then LVI dump out the rest
1033 * to the scatter-gather chain.
1034 */
1035 sc->pcmi_start = DMAADDR(p);
1036 sc->pcmi_p = sc->pcmi_start + blksize;
1037 sc->pcmi_end = sc->pcmi_start + size;
1038 sc->pcmi_blksize = blksize;
1039
1040 sc->ptr_pcmi = 0;
1041 q = &sc->dmalist_pcmi[sc->ptr_pcmi];
1042 q->base = sc->pcmi_start;
1043 q->len = (blksize / 2) | ICH_DMAF_IOC;
1044 if (++sc->ptr_pcmi == ICH_DMALIST_MAX)
1045 sc->ptr_pcmi = 0;
1046
1047 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_BDBAR,
1048 sc->sc_cddma + ICH_PCMI_OFF(0));
1049 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL,
1050 ICH_IOCE | ICH_FEIE | ICH_LVBIE | ICH_RPBM);
1051 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_LVI,
1052 (sc->ptr_pcmi - 1) & ICH_LVI_MASK);
1053
1054 return (0);
1055 }
1056
1057 int
1058 auich_allocmem(struct auich_softc *sc, size_t size, size_t align,
1059 struct auich_dma *p)
1060 {
1061 int error;
1062
1063 p->size = size;
1064 error = bus_dmamem_alloc(sc->dmat, p->size, align, 0,
1065 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1066 &p->nsegs, BUS_DMA_NOWAIT);
1067 if (error)
1068 return (error);
1069
1070 error = bus_dmamem_map(sc->dmat, p->segs, p->nsegs, p->size,
1071 &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
1072 if (error)
1073 goto free;
1074
1075 error = bus_dmamap_create(sc->dmat, p->size, 1, p->size,
1076 0, BUS_DMA_NOWAIT, &p->map);
1077 if (error)
1078 goto unmap;
1079
1080 error = bus_dmamap_load(sc->dmat, p->map, p->addr, p->size, NULL,
1081 BUS_DMA_NOWAIT);
1082 if (error)
1083 goto destroy;
1084 return (0);
1085
1086 destroy:
1087 bus_dmamap_destroy(sc->dmat, p->map);
1088 unmap:
1089 bus_dmamem_unmap(sc->dmat, p->addr, p->size);
1090 free:
1091 bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
1092 return (error);
1093 }
1094
1095 int
1096 auich_freemem(struct auich_softc *sc, struct auich_dma *p)
1097 {
1098
1099 bus_dmamap_unload(sc->dmat, p->map);
1100 bus_dmamap_destroy(sc->dmat, p->map);
1101 bus_dmamem_unmap(sc->dmat, p->addr, p->size);
1102 bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
1103 return (0);
1104 }
1105
1106 int
1107 auich_alloc_cdata(struct auich_softc *sc)
1108 {
1109 bus_dma_segment_t seg;
1110 int error, rseg;
1111
1112 /*
1113 * Allocate the control data structure, and create and load the
1114 * DMA map for it.
1115 */
1116 if ((error = bus_dmamem_alloc(sc->dmat,
1117 sizeof(struct auich_cdata),
1118 PAGE_SIZE, 0, &seg, 1, &rseg, 0)) != 0) {
1119 printf("%s: unable to allocate control data, error = %d\n",
1120 sc->sc_dev.dv_xname, error);
1121 goto fail_0;
1122 }
1123
1124 if ((error = bus_dmamem_map(sc->dmat, &seg, rseg,
1125 sizeof(struct auich_cdata),
1126 (caddr_t *) &sc->sc_cdata,
1127 BUS_DMA_COHERENT)) != 0) {
1128 printf("%s: unable to map control data, error = %d\n",
1129 sc->sc_dev.dv_xname, error);
1130 goto fail_1;
1131 }
1132
1133 if ((error = bus_dmamap_create(sc->dmat, sizeof(struct auich_cdata), 1,
1134 sizeof(struct auich_cdata), 0, 0,
1135 &sc->sc_cddmamap)) != 0) {
1136 printf("%s: unable to create control data DMA map, "
1137 "error = %d\n", sc->sc_dev.dv_xname, error);
1138 goto fail_2;
1139 }
1140
1141 if ((error = bus_dmamap_load(sc->dmat, sc->sc_cddmamap,
1142 sc->sc_cdata, sizeof(struct auich_cdata),
1143 NULL, 0)) != 0) {
1144 printf("%s: unable tp load control data DMA map, "
1145 "error = %d\n", sc->sc_dev.dv_xname, error);
1146 goto fail_3;
1147 }
1148
1149 return (0);
1150
1151 fail_3:
1152 bus_dmamap_destroy(sc->dmat, sc->sc_cddmamap);
1153 fail_2:
1154 bus_dmamem_unmap(sc->dmat, (caddr_t) sc->sc_cdata,
1155 sizeof(struct auich_cdata));
1156 fail_1:
1157 bus_dmamem_free(sc->dmat, &seg, rseg);
1158 fail_0:
1159 return (error);
1160 }
1161
1162 void
1163 auich_powerhook(int why, void *addr)
1164 {
1165 struct auich_softc *sc = (struct auich_softc *)addr;
1166
1167 switch (why) {
1168 case PWR_SUSPEND:
1169 case PWR_STANDBY:
1170 /* Power down */
1171 DPRINTF(1, ("%s: power down\n", sc->sc_dev.dv_xname));
1172 sc->sc_suspend = why;
1173 auich_read_codec(sc, AC97_REG_EXTENDED_STATUS, &sc->ext_status);
1174 break;
1175
1176 case PWR_RESUME:
1177 /* Wake up */
1178 DPRINTF(1, ("%s: power resume\n", sc->sc_dev.dv_xname));
1179 if (sc->sc_suspend == PWR_RESUME) {
1180 printf("%s: resume without suspend.\n",
1181 sc->sc_dev.dv_xname);
1182 sc->sc_suspend = why;
1183 return;
1184 }
1185 sc->sc_suspend = why;
1186 auich_reset_codec(sc);
1187 DELAY(1000);
1188 (sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1189 auich_write_codec(sc, AC97_REG_EXTENDED_STATUS, sc->ext_status);
1190 break;
1191
1192 case PWR_SOFTSUSPEND:
1193 case PWR_SOFTSTANDBY:
1194 case PWR_SOFTRESUME:
1195 break;
1196 }
1197 }
1198