1/* $NetBSD: fms.c,v 1.42 2014/03/29 19:28:24 christos Exp $ */
2
3/*-
4 * Copyright (c) 1999, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Witold J. Wnuk.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * Forte Media FM801 Audio Device Driver
34 */
35
36#include <sys/cdefs.h>
37__KERNEL_RCSID(0, "$NetBSD: fms.c,v 1.42 2014/03/29 19:28:24 christos Exp $");
38
39#include "mpu.h"
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/kernel.h>
44#include <sys/kmem.h>
45#include <sys/device.h>
46#include <sys/audioio.h>
47
48#include <sys/bus.h>
49#include <sys/cpu.h>
50
51#include <dev/pci/pcidevs.h>
52#include <dev/pci/pcivar.h>
53
54#include <dev/audio_if.h>
55#include <dev/mulaw.h>
56#include <dev/auconv.h>
57
58#include <dev/ic/ac97var.h>
59#include <dev/ic/mpuvar.h>
60
61#include <dev/pci/fmsvar.h>
62
63
64struct fms_dma {
65 struct fms_dma *next;
66 void *addr;
67 size_t size;
68 bus_dmamap_t map;
69 bus_dma_segment_t seg;
70};
71
72
73
74static int fms_match(device_t, cfdata_t, void *);
75static void fms_attach(device_t, device_t, void *);
76static int fms_intr(void *);
77
78static int fms_query_encoding(void *, struct audio_encoding *);
79static int fms_set_params(void *, int, int, audio_params_t *,
80 audio_params_t *, stream_filter_list_t *,
81 stream_filter_list_t *);
82static int fms_round_blocksize(void *, int, int, const audio_params_t *);
83static int fms_halt_output(void *);
84static int fms_halt_input(void *);
85static int fms_getdev(void *, struct audio_device *);
86static int fms_set_port(void *, mixer_ctrl_t *);
87static int fms_get_port(void *, mixer_ctrl_t *);
88static int fms_query_devinfo(void *, mixer_devinfo_t *);
89static void *fms_malloc(void *, int, size_t);
90static void fms_free(void *, void *, size_t);
91static size_t fms_round_buffersize(void *, int, size_t);
92static paddr_t fms_mappage(void *, void *, off_t, int);
93static int fms_get_props(void *);
94static int fms_trigger_output(void *, void *, void *, int,
95 void (*)(void *), void *,
96 const audio_params_t *);
97static int fms_trigger_input(void *, void *, void *, int,
98 void (*)(void *), void *,
99 const audio_params_t *);
100static void fms_get_locks(void *, kmutex_t **, kmutex_t **);
101
102CFATTACH_DECL_NEW(fms, sizeof (struct fms_softc),
103 fms_match, fms_attach, NULL, NULL);
104
105static struct audio_device fms_device = {
106 "Forte Media 801",
107 "1.0",
108 "fms"
109};
110
111
112static const struct audio_hw_if fms_hw_if = {
113 NULL, /* open */
114 NULL, /* close */
115 NULL,
116 fms_query_encoding,
117 fms_set_params,
118 fms_round_blocksize,
119 NULL,
120 NULL,
121 NULL,
122 NULL,
123 NULL,
124 fms_halt_output,
125 fms_halt_input,
126 NULL,
127 fms_getdev,
128 NULL,
129 fms_set_port,
130 fms_get_port,
131 fms_query_devinfo,
132 fms_malloc,
133 fms_free,
134 fms_round_buffersize,
135 fms_mappage,
136 fms_get_props,
137 fms_trigger_output,
138 fms_trigger_input,
139 NULL,
140 fms_get_locks,
141};
142
143static int fms_attach_codec(void *, struct ac97_codec_if *);
144static int fms_read_codec(void *, uint8_t, uint16_t *);
145static int fms_write_codec(void *, uint8_t, uint16_t);
146static int fms_reset_codec(void *);
147
148#define FM_PCM_VOLUME 0x00
149#define FM_FM_VOLUME 0x02
150#define FM_I2S_VOLUME 0x04
151#define FM_RECORD_SOURCE 0x06
152
153#define FM_PLAY_CTL 0x08
154#define FM_PLAY_RATE_MASK 0x0f00
155#define FM_PLAY_BUF1_LAST 0x0001
156#define FM_PLAY_BUF2_LAST 0x0002
157#define FM_PLAY_START 0x0020
158#define FM_PLAY_PAUSE 0x0040
159#define FM_PLAY_STOPNOW 0x0080
160#define FM_PLAY_16BIT 0x4000
161#define FM_PLAY_STEREO 0x8000
162
163#define FM_PLAY_DMALEN 0x0a
164#define FM_PLAY_DMABUF1 0x0c
165#define FM_PLAY_DMABUF2 0x10
166
167
168#define FM_REC_CTL 0x14
169#define FM_REC_RATE_MASK 0x0f00
170#define FM_REC_BUF1_LAST 0x0001
171#define FM_REC_BUF2_LAST 0x0002
172#define FM_REC_START 0x0020
173#define FM_REC_PAUSE 0x0040
174#define FM_REC_STOPNOW 0x0080
175#define FM_REC_16BIT 0x4000
176#define FM_REC_STEREO 0x8000
177
178
179#define FM_REC_DMALEN 0x16
180#define FM_REC_DMABUF1 0x18
181#define FM_REC_DMABUF2 0x1c
182
183#define FM_CODEC_CTL 0x22
184#define FM_VOLUME 0x26
185#define FM_VOLUME_MUTE 0x8000
186
187#define FM_CODEC_CMD 0x2a
188#define FM_CODEC_CMD_READ 0x0080
189#define FM_CODEC_CMD_VALID 0x0100
190#define FM_CODEC_CMD_BUSY 0x0200
191
192#define FM_CODEC_DATA 0x2c
193
194#define FM_IO_CTL 0x52
195#define FM_CARD_CTL 0x54
196
197#define FM_INTMASK 0x56
198#define FM_INTMASK_PLAY 0x0001
199#define FM_INTMASK_REC 0x0002
200#define FM_INTMASK_VOL 0x0040
201#define FM_INTMASK_MPU 0x0080
202
203#define FM_INTSTATUS 0x5a
204#define FM_INTSTATUS_PLAY 0x0100
205#define FM_INTSTATUS_REC 0x0200
206#define FM_INTSTATUS_VOL 0x4000
207#define FM_INTSTATUS_MPU 0x8000
208
209
210static int
211fms_match(device_t parent, cfdata_t match, void *aux)
212{
213 struct pci_attach_args *pa;
214
215 pa = (struct pci_attach_args *)aux;
216 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA)
217 return 0;
218 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801)
219 return 0;
220
221 return 1;
222}
223
224static void
225fms_attach(device_t parent, device_t self, void *aux)
226{
227 struct pci_attach_args *pa;
228 struct fms_softc *sc;
229 struct audio_attach_args aa;
230 const char *intrstr;
231 pci_chipset_tag_t pc;
232 pcitag_t pt;
233 pci_intr_handle_t ih;
234 uint16_t k1;
235 char intrbuf[PCI_INTRSTR_LEN];
236
237 pa = aux;
238 sc = device_private(self);
239 sc->sc_dev = self;
240 intrstr = NULL;
241 pc = pa->pa_pc;
242 pt = pa->pa_tag;
243 aprint_naive(": Audio controller\n");
244 aprint_normal(": Forte Media FM-801\n");
245
246 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
247 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) {
248 aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
249 return;
250 }
251 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2,
252 &sc->sc_mpu_ioh))
253 panic("fms_attach: can't get mpu subregion handle");
254 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4,
255 &sc->sc_opl_ioh))
256 panic("fms_attach: can't get opl subregion handle");
257
258 if (pci_intr_map(pa, &ih)) {
259 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
260 return;
261 }
262 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
263
264 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
265 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
266
267 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc);
268 if (sc->sc_ih == NULL) {
269 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
270 if (intrstr != NULL)
271 aprint_error(" at %s", intrstr);
272 aprint_error("\n");
273 mutex_destroy(&sc->sc_lock);
274 mutex_destroy(&sc->sc_intr_lock);
275 return;
276 }
277
278 sc->sc_dmat = pa->pa_dmat;
279
280 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
281
282 /* Disable legacy audio (SBPro compatibility) */
283 pci_conf_write(pc, pt, 0x40, 0);
284
285 /* Reset codec and AC'97 */
286 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
287 delay(2); /* > 1us according to AC'97 documentation */
288 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
289 delay(1); /* > 168.2ns according to AC'97 documentation */
290
291 /* Set up volume */
292 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808);
293 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808);
294 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808);
295
296 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000);
297
298 /* Unmask playback, record and mpu interrupts, mask the rest */
299 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK);
300 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK,
301 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
302 FM_INTMASK_VOL);
303 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
304 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
305 FM_INTSTATUS_VOL);
306
307 sc->host_if.arg = sc;
308 sc->host_if.attach = fms_attach_codec;
309 sc->host_if.read = fms_read_codec;
310 sc->host_if.write = fms_write_codec;
311 sc->host_if.reset = fms_reset_codec;
312
313 if (ac97_attach(&sc->host_if, self, &sc->sc_lock) != 0) {
314 mutex_destroy(&sc->sc_intr_lock);
315 mutex_destroy(&sc->sc_lock);
316 return;
317 }
318
319 audio_attach_mi(&fms_hw_if, sc, sc->sc_dev);
320
321 aa.type = AUDIODEV_TYPE_OPL;
322 aa.hwif = NULL;
323 aa.hdl = NULL;
324 config_found(sc->sc_dev, &aa, audioprint);
325
326 aa.type = AUDIODEV_TYPE_MPU;
327 aa.hwif = NULL;
328 aa.hdl = NULL;
329 sc->sc_mpu_dev = config_found(sc->sc_dev, &aa, audioprint);
330}
331
332/*
333 * Each AC-link frame takes 20.8us, data should be ready in next frame,
334 * we allow more than two.
335 */
336#define TIMO 50
337static int
338fms_read_codec(void *addr, uint8_t reg, uint16_t *val)
339{
340 struct fms_softc *sc;
341 int i;
342
343 sc = addr;
344 /* Poll until codec is ready */
345 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
346 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
347 delay(1);
348 if (i >= TIMO) {
349 printf("fms: codec busy\n");
350 return 1;
351 }
352
353 /* Write register index, read access */
354 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD,
355 reg | FM_CODEC_CMD_READ);
356
357 /* Poll until we have valid data */
358 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh,
359 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++)
360 delay(1);
361 if (i >= TIMO) {
362 printf("fms: no data from codec\n");
363 return 1;
364 }
365
366 /* Read data */
367 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA);
368 return 0;
369}
370
371static int
372fms_write_codec(void *addr, uint8_t reg, uint16_t val)
373{
374 struct fms_softc *sc = addr;
375 int i;
376
377 /* Poll until codec is ready */
378 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
379 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
380 delay(1);
381 if (i >= TIMO) {
382 printf("fms: codec busy\n");
383 return 1;
384 }
385
386 /* Write data */
387 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val);
388 /* Write index register, write access */
389 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg);
390 return 0;
391}
392#undef TIMO
393
394static int
395fms_attach_codec(void *addr, struct ac97_codec_if *cif)
396{
397 struct fms_softc *sc;
398
399 sc = addr;
400 sc->codec_if = cif;
401 return 0;
402}
403
404/* Cold Reset */
405static int
406fms_reset_codec(void *addr)
407{
408 struct fms_softc *sc;
409
410 sc = addr;
411 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
412 delay(2);
413 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
414 delay(1);
415 return 0;
416}
417
418static int
419fms_intr(void *arg)
420{
421 struct fms_softc *sc = arg;
422#if NMPU > 0
423 struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev);
424#endif
425 uint16_t istat;
426
427 mutex_spin_enter(&sc->sc_intr_lock);
428
429 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS);
430
431 if (istat & FM_INTSTATUS_PLAY) {
432 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >=
433 sc->sc_play_end)
434 sc->sc_play_nextblk = sc->sc_play_start;
435
436 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
437 sc->sc_play_flip++ & 1 ?
438 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk);
439
440 if (sc->sc_pintr)
441 sc->sc_pintr(sc->sc_parg);
442 else
443 printf("unexpected play intr\n");
444 }
445
446 if (istat & FM_INTSTATUS_REC) {
447 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >=
448 sc->sc_rec_end)
449 sc->sc_rec_nextblk = sc->sc_rec_start;
450
451 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
452 sc->sc_rec_flip++ & 1 ?
453 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk);
454
455 if (sc->sc_rintr)
456 sc->sc_rintr(sc->sc_rarg);
457 else
458 printf("unexpected rec intr\n");
459 }
460
461#if NMPU > 0
462 if (istat & FM_INTSTATUS_MPU)
463 mpu_intr(sc_mpu);
464#endif
465
466 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
467 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC));
468
469 mutex_spin_exit(&sc->sc_intr_lock);
470
471 return 1;
472}
473
474static int
475fms_query_encoding(void *addr, struct audio_encoding *fp)
476{
477
478 switch (fp->index) {
479 case 0:
480 strcpy(fp->name, AudioEmulaw);
481 fp->encoding = AUDIO_ENCODING_ULAW;
482 fp->precision = 8;
483 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
484 return 0;
485 case 1:
486 strcpy(fp->name, AudioEslinear_le);
487 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
488 fp->precision = 16;
489 fp->flags = 0;
490 return 0;
491 case 2:
492 strcpy(fp->name, AudioEulinear);
493 fp->encoding = AUDIO_ENCODING_ULINEAR;
494 fp->precision = 8;
495 fp->flags = 0;
496 return 0;
497 case 3:
498 strcpy(fp->name, AudioEalaw);
499 fp->encoding = AUDIO_ENCODING_ALAW;
500 fp->precision = 8;
501 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
502 return 0;
503 case 4:
504 strcpy(fp->name, AudioEulinear_le);
505 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
506 fp->precision = 16;
507 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
508 return 0;
509 case 5:
510 strcpy(fp->name, AudioEslinear);
511 fp->encoding = AUDIO_ENCODING_SLINEAR;
512 fp->precision = 8;
513 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
514 return 0;
515 case 6:
516 strcpy(fp->name, AudioEulinear_be);
517 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
518 fp->precision = 16;
519 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
520 return 0;
521 case 7:
522 strcpy(fp->name, AudioEslinear_be);
523 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
524 fp->precision = 16;
525 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
526 return 0;
527 default:
528 return EINVAL;
529 }
530}
531
532/*
533 * Range below -limit- is set to -rate-
534 * What a pity FM801 does not have 24000
535 * 24000 -> 22050 sounds rather poor
536 */
537static struct {
538 int limit;
539 int rate;
540} const fms_rates[11] = {
541 { 6600, 5500 },
542 { 8750, 8000 },
543 { 10250, 9600 },
544 { 13200, 11025 },
545 { 17500, 16000 },
546 { 20500, 19200 },
547 { 26500, 22050 },
548 { 35000, 32000 },
549 { 41000, 38400 },
550 { 46000, 44100 },
551 { 48000, 48000 },
552 /* anything above -> 48000 */
553};
554
555#define FMS_NFORMATS 4
556static const struct audio_format fms_formats[FMS_NFORMATS] = {
557 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
558 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
559 32000, 38400, 44100, 48000}},
560 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
561 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
562 32000, 38400, 44100, 48000}},
563 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
564 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
565 32000, 38400, 44100, 48000}},
566 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
567 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
568 32000, 38400, 44100, 48000}},
569};
570
571static int
572fms_set_params(void *addr, int setmode, int usemode,
573 audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
574 stream_filter_list_t *rfil)
575{
576 struct fms_softc *sc;
577 int i, index;
578
579 sc = addr;
580 if (setmode & AUMODE_PLAY) {
581 for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit;
582 i++)
583 continue;
584 play->sample_rate = fms_rates[i].rate;
585 index = auconv_set_converter(fms_formats, FMS_NFORMATS,
586 AUMODE_PLAY, play, FALSE, pfil);
587 if (index < 0)
588 return EINVAL;
589 sc->sc_play_reg = i << 8;
590 if (fms_formats[index].channels == 2)
591 sc->sc_play_reg |= FM_PLAY_STEREO;
592 if (fms_formats[index].precision == 16)
593 sc->sc_play_reg |= FM_PLAY_16BIT;
594 }
595
596 if (setmode & AUMODE_RECORD) {
597 for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit;
598 i++)
599 continue;
600 rec->sample_rate = fms_rates[i].rate;
601 index = auconv_set_converter(fms_formats, FMS_NFORMATS,
602 AUMODE_RECORD, rec, FALSE, rfil);
603 if (index < 0)
604 return EINVAL;
605 sc->sc_rec_reg = i << 8;
606 if (fms_formats[index].channels == 2)
607 sc->sc_rec_reg |= FM_REC_STEREO;
608 if (fms_formats[index].precision == 16)
609 sc->sc_rec_reg |= FM_REC_16BIT;
610 }
611
612 return 0;
613}
614
615static int
616fms_round_blocksize(void *addr, int blk, int mode,
617 const audio_params_t *param)
618{
619
620 return blk & ~0xf;
621}
622
623static int
624fms_halt_output(void *addr)
625{
626 struct fms_softc *sc;
627 uint16_t k1;
628
629 sc = addr;
630 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL);
631 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
632 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
633 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST);
634
635 return 0;
636}
637
638static int
639fms_halt_input(void *addr)
640{
641 struct fms_softc *sc;
642 uint16_t k1;
643
644 sc = addr;
645 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL);
646 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
647 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
648 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST);
649
650 return 0;
651}
652
653static int
654fms_getdev(void *addr, struct audio_device *retp)
655{
656
657 *retp = fms_device;
658 return 0;
659}
660
661static int
662fms_set_port(void *addr, mixer_ctrl_t *cp)
663{
664 struct fms_softc *sc;
665
666 sc = addr;
667 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
668}
669
670static int
671fms_get_port(void *addr, mixer_ctrl_t *cp)
672{
673 struct fms_softc *sc;
674
675 sc = addr;
676 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
677}
678
679static void *
680fms_malloc(void *addr, int direction, size_t size)
681{
682 struct fms_softc *sc;
683 struct fms_dma *p;
684 int error;
685 int rseg;
686
687 sc = addr;
688 p = kmem_alloc(sizeof(*p), KM_SLEEP);
689 if (p == NULL)
690 return NULL;
691
692 p->size = size;
693 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
694 1, &rseg, BUS_DMA_WAITOK)) != 0) {
695 aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
696 goto fail_alloc;
697 }
698
699 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
700 BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
701 aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n",
702 error);
703 goto fail_map;
704 }
705
706 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
707 BUS_DMA_WAITOK, &p->map)) != 0) {
708 aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n",
709 error);
710 goto fail_create;
711 }
712
713 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
714 BUS_DMA_WAITOK)) != 0) {
715 aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n",
716 error);
717 goto fail_load;
718 }
719
720 p->next = sc->sc_dmas;
721 sc->sc_dmas = p;
722
723 return p->addr;
724
725
726fail_load:
727 bus_dmamap_destroy(sc->sc_dmat, p->map);
728fail_create:
729 bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
730fail_map:
731 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
732fail_alloc:
733 kmem_free(p, sizeof(*p));
734 return NULL;
735}
736
737static void
738fms_free(void *addr, void *ptr, size_t size)
739{
740 struct fms_softc *sc;
741 struct fms_dma **pp, *p;
742
743 sc = addr;
744 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
745 if (p->addr == ptr) {
746 bus_dmamap_unload(sc->sc_dmat, p->map);
747 bus_dmamap_destroy(sc->sc_dmat, p->map);
748 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
749 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
750
751 *pp = p->next;
752 kmem_free(p, sizeof(*p));
753 return;
754 }
755
756 panic("fms_free: trying to free unallocated memory");
757}
758
759static size_t
760fms_round_buffersize(void *addr, int direction, size_t size)
761{
762
763 return size;
764}
765
766static paddr_t
767fms_mappage(void *addr, void *mem, off_t off, int prot)
768{
769 struct fms_softc *sc;
770 struct fms_dma *p;
771
772 sc = addr;
773 if (off < 0)
774 return -1;
775
776 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
777 continue;
778 if (p == NULL)
779 return -1;
780
781 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
782 BUS_DMA_WAITOK);
783}
784
785static int
786fms_get_props(void *addr)
787{
788 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
789 AUDIO_PROP_FULLDUPLEX;
790}
791
792static int
793fms_query_devinfo(void *addr, mixer_devinfo_t *dip)
794{
795 struct fms_softc *sc;
796
797 sc = addr;
798 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
799}
800
801static int
802fms_trigger_output(void *addr, void *start, void *end, int blksize,
803 void (*intr)(void *), void *arg, const audio_params_t *param)
804{
805 struct fms_softc *sc;
806 struct fms_dma *p;
807
808 sc = addr;
809 sc->sc_pintr = intr;
810 sc->sc_parg = arg;
811
812 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
813 continue;
814
815 if (p == NULL)
816 panic("fms_trigger_output: request with bad start "
817 "address (%p)", start);
818
819 sc->sc_play_start = p->map->dm_segs[0].ds_addr;
820 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start);
821 sc->sc_play_blksize = blksize;
822 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize;
823 sc->sc_play_flip = 0;
824 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1);
825 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1,
826 sc->sc_play_start);
827 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2,
828 sc->sc_play_nextblk);
829 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
830 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg);
831 return 0;
832}
833
834
835static int
836fms_trigger_input(void *addr, void *start, void *end, int blksize,
837 void (*intr)(void *), void *arg, const audio_params_t *param)
838{
839 struct fms_softc *sc;
840 struct fms_dma *p;
841
842 sc = addr;
843 sc->sc_rintr = intr;
844 sc->sc_rarg = arg;
845
846 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
847 continue;
848
849 if (p == NULL)
850 panic("fms_trigger_input: request with bad start "
851 "address (%p)", start);
852
853 sc->sc_rec_start = p->map->dm_segs[0].ds_addr;
854 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start);
855 sc->sc_rec_blksize = blksize;
856 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize;
857 sc->sc_rec_flip = 0;
858 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1);
859 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1,
860 sc->sc_rec_start);
861 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2,
862 sc->sc_rec_nextblk);
863 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
864 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg);
865 return 0;
866}
867
868static void
869fms_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
870{
871 struct fms_softc *sc;
872
873 sc = addr;
874 *intr = &sc->sc_intr_lock;
875 *thread = &sc->sc_lock;
876}
877