fms.c revision 1.31 1 /* $NetBSD: fms.c,v 1.31 2008/04/01 13:35:39 xtraeme Exp $ */
2
3 /*-
4 * Copyright (c) 1999 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 * 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 * Forte Media FM801 Audio Device Driver
41 */
42
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: fms.c,v 1.31 2008/04/01 13:35:39 xtraeme Exp $");
45
46 #include "mpu.h"
47
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/kernel.h>
51 #include <sys/malloc.h>
52 #include <sys/device.h>
53 #include <sys/audioio.h>
54
55 #include <uvm/uvm_extern.h>
56
57 #include <sys/bus.h>
58 #include <sys/cpu.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/ac97var.h>
68 #include <dev/ic/mpuvar.h>
69
70 #include <dev/pci/fmsvar.h>
71
72
73 struct fms_dma {
74 struct fms_dma *next;
75 void *addr;
76 size_t size;
77 bus_dmamap_t map;
78 bus_dma_segment_t seg;
79 };
80
81
82
83 static int fms_match(struct device *, struct cfdata *, void *);
84 static void fms_attach(struct device *, struct device *, void *);
85 static int fms_intr(void *);
86
87 static int fms_query_encoding(void *, struct audio_encoding *);
88 static int fms_set_params(void *, int, int, audio_params_t *,
89 audio_params_t *, stream_filter_list_t *,
90 stream_filter_list_t *);
91 static int fms_round_blocksize(void *, int, int, const audio_params_t *);
92 static int fms_halt_output(void *);
93 static int fms_halt_input(void *);
94 static int fms_getdev(void *, struct audio_device *);
95 static int fms_set_port(void *, mixer_ctrl_t *);
96 static int fms_get_port(void *, mixer_ctrl_t *);
97 static int fms_query_devinfo(void *, mixer_devinfo_t *);
98 static void *fms_malloc(void *, int, size_t, struct malloc_type *, int);
99 static void fms_free(void *, void *, struct malloc_type *);
100 static size_t fms_round_buffersize(void *, int, size_t);
101 static paddr_t fms_mappage(void *, void *, off_t, int);
102 static int fms_get_props(void *);
103 static int fms_trigger_output(void *, void *, void *, int,
104 void (*)(void *), void *,
105 const audio_params_t *);
106 static int fms_trigger_input(void *, void *, void *, int,
107 void (*)(void *), void *,
108 const audio_params_t *);
109
110 CFATTACH_DECL(fms, sizeof (struct fms_softc),
111 fms_match, fms_attach, NULL, NULL);
112
113 static struct audio_device fms_device = {
114 "Forte Media 801",
115 "1.0",
116 "fms"
117 };
118
119
120 static const struct audio_hw_if fms_hw_if = {
121 NULL, /* open */
122 NULL, /* close */
123 NULL,
124 fms_query_encoding,
125 fms_set_params,
126 fms_round_blocksize,
127 NULL,
128 NULL,
129 NULL,
130 NULL,
131 NULL,
132 fms_halt_output,
133 fms_halt_input,
134 NULL,
135 fms_getdev,
136 NULL,
137 fms_set_port,
138 fms_get_port,
139 fms_query_devinfo,
140 fms_malloc,
141 fms_free,
142 fms_round_buffersize,
143 fms_mappage,
144 fms_get_props,
145 fms_trigger_output,
146 fms_trigger_input,
147 NULL,
148 NULL,
149 };
150
151 static int fms_attach_codec(void *, struct ac97_codec_if *);
152 static int fms_read_codec(void *, uint8_t, uint16_t *);
153 static int fms_write_codec(void *, uint8_t, uint16_t);
154 static int fms_reset_codec(void *);
155
156 #define FM_PCM_VOLUME 0x00
157 #define FM_FM_VOLUME 0x02
158 #define FM_I2S_VOLUME 0x04
159 #define FM_RECORD_SOURCE 0x06
160
161 #define FM_PLAY_CTL 0x08
162 #define FM_PLAY_RATE_MASK 0x0f00
163 #define FM_PLAY_BUF1_LAST 0x0001
164 #define FM_PLAY_BUF2_LAST 0x0002
165 #define FM_PLAY_START 0x0020
166 #define FM_PLAY_PAUSE 0x0040
167 #define FM_PLAY_STOPNOW 0x0080
168 #define FM_PLAY_16BIT 0x4000
169 #define FM_PLAY_STEREO 0x8000
170
171 #define FM_PLAY_DMALEN 0x0a
172 #define FM_PLAY_DMABUF1 0x0c
173 #define FM_PLAY_DMABUF2 0x10
174
175
176 #define FM_REC_CTL 0x14
177 #define FM_REC_RATE_MASK 0x0f00
178 #define FM_REC_BUF1_LAST 0x0001
179 #define FM_REC_BUF2_LAST 0x0002
180 #define FM_REC_START 0x0020
181 #define FM_REC_PAUSE 0x0040
182 #define FM_REC_STOPNOW 0x0080
183 #define FM_REC_16BIT 0x4000
184 #define FM_REC_STEREO 0x8000
185
186
187 #define FM_REC_DMALEN 0x16
188 #define FM_REC_DMABUF1 0x18
189 #define FM_REC_DMABUF2 0x1c
190
191 #define FM_CODEC_CTL 0x22
192 #define FM_VOLUME 0x26
193 #define FM_VOLUME_MUTE 0x8000
194
195 #define FM_CODEC_CMD 0x2a
196 #define FM_CODEC_CMD_READ 0x0080
197 #define FM_CODEC_CMD_VALID 0x0100
198 #define FM_CODEC_CMD_BUSY 0x0200
199
200 #define FM_CODEC_DATA 0x2c
201
202 #define FM_IO_CTL 0x52
203 #define FM_CARD_CTL 0x54
204
205 #define FM_INTMASK 0x56
206 #define FM_INTMASK_PLAY 0x0001
207 #define FM_INTMASK_REC 0x0002
208 #define FM_INTMASK_VOL 0x0040
209 #define FM_INTMASK_MPU 0x0080
210
211 #define FM_INTSTATUS 0x5a
212 #define FM_INTSTATUS_PLAY 0x0100
213 #define FM_INTSTATUS_REC 0x0200
214 #define FM_INTSTATUS_VOL 0x4000
215 #define FM_INTSTATUS_MPU 0x8000
216
217
218 static int
219 fms_match(struct device *parent, struct cfdata *match,
220 void *aux)
221 {
222 struct pci_attach_args *pa;
223
224 pa = (struct pci_attach_args *)aux;
225 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA)
226 return 0;
227 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801)
228 return 0;
229
230 return 1;
231 }
232
233 static void
234 fms_attach(struct device *parent, struct device *self, void *aux)
235 {
236 struct pci_attach_args *pa;
237 struct fms_softc *sc;
238 struct audio_attach_args aa;
239 const char *intrstr;
240 pci_chipset_tag_t pc;
241 pcitag_t pt;
242 pci_intr_handle_t ih;
243 uint16_t k1;
244
245 pa = aux;
246 sc = (struct fms_softc *)self;
247 intrstr = NULL;
248 pc = pa->pa_pc;
249 pt = pa->pa_tag;
250 aprint_naive(": Audio controller\n");
251 aprint_normal(": Forte Media FM-801\n");
252
253 if (pci_intr_map(pa, &ih)) {
254 aprint_error("%s: couldn't map interrupt\n",
255 sc->sc_dev.dv_xname);
256 return;
257 }
258 intrstr = pci_intr_string(pc, ih);
259
260 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc);
261 if (sc->sc_ih == NULL) {
262 aprint_error("%s: couldn't establish interrupt",
263 sc->sc_dev.dv_xname);
264 if (intrstr != NULL)
265 aprint_normal(" at %s", intrstr);
266 aprint_normal("\n");
267 return;
268 }
269
270 sc->sc_dmat = pa->pa_dmat;
271
272 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
273
274 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
275 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) {
276 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
277 return;
278 }
279
280 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2,
281 &sc->sc_mpu_ioh))
282 panic("fms_attach: can't get mpu subregion handle");
283
284 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4,
285 &sc->sc_opl_ioh))
286 panic("fms_attach: can't get opl subregion handle");
287
288 /* Disable legacy audio (SBPro compatibility) */
289 pci_conf_write(pc, pt, 0x40, 0);
290
291 /* Reset codec and AC'97 */
292 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
293 delay(2); /* > 1us according to AC'97 documentation */
294 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
295 delay(1); /* > 168.2ns according to AC'97 documentation */
296
297 /* Set up volume */
298 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808);
299 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808);
300 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808);
301
302 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000);
303
304 /* Unmask playback, record and mpu interrupts, mask the rest */
305 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK);
306 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK,
307 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
308 FM_INTMASK_VOL);
309 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
310 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
311 FM_INTSTATUS_VOL);
312
313 sc->host_if.arg = sc;
314 sc->host_if.attach = fms_attach_codec;
315 sc->host_if.read = fms_read_codec;
316 sc->host_if.write = fms_write_codec;
317 sc->host_if.reset = fms_reset_codec;
318
319 if (ac97_attach(&sc->host_if, self) != 0)
320 return;
321
322 audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev);
323
324 aa.type = AUDIODEV_TYPE_OPL;
325 aa.hwif = NULL;
326 aa.hdl = NULL;
327 config_found(&sc->sc_dev, &aa, audioprint);
328
329 aa.type = AUDIODEV_TYPE_MPU;
330 aa.hwif = NULL;
331 aa.hdl = NULL;
332 sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint);
333 }
334
335 /*
336 * Each AC-link frame takes 20.8us, data should be ready in next frame,
337 * we allow more than two.
338 */
339 #define TIMO 50
340 static int
341 fms_read_codec(void *addr, uint8_t reg, uint16_t *val)
342 {
343 struct fms_softc *sc;
344 int i;
345
346 sc = addr;
347 /* Poll until codec is ready */
348 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
349 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
350 delay(1);
351 if (i >= TIMO) {
352 printf("fms: codec busy\n");
353 return 1;
354 }
355
356 /* Write register index, read access */
357 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD,
358 reg | FM_CODEC_CMD_READ);
359
360 /* Poll until we have valid data */
361 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh,
362 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++)
363 delay(1);
364 if (i >= TIMO) {
365 printf("fms: no data from codec\n");
366 return 1;
367 }
368
369 /* Read data */
370 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA);
371 return 0;
372 }
373
374 static int
375 fms_write_codec(void *addr, uint8_t reg, uint16_t val)
376 {
377 struct fms_softc *sc = addr;
378 int i;
379
380 /* Poll until codec is ready */
381 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
382 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
383 delay(1);
384 if (i >= TIMO) {
385 printf("fms: codec busy\n");
386 return 1;
387 }
388
389 /* Write data */
390 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val);
391 /* Write index register, write access */
392 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg);
393 return 0;
394 }
395 #undef TIMO
396
397 static int
398 fms_attach_codec(void *addr, struct ac97_codec_if *cif)
399 {
400 struct fms_softc *sc;
401
402 sc = addr;
403 sc->codec_if = cif;
404 return 0;
405 }
406
407 /* Cold Reset */
408 static int
409 fms_reset_codec(void *addr)
410 {
411 struct fms_softc *sc;
412
413 sc = addr;
414 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
415 delay(2);
416 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
417 delay(1);
418 return 0;
419 }
420
421 static int
422 fms_intr(void *arg)
423 {
424 struct fms_softc *sc = arg;
425 #if NMPU > 0
426 struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev);
427 #endif
428 uint16_t istat;
429
430 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS);
431
432 if (istat & FM_INTSTATUS_PLAY) {
433 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >=
434 sc->sc_play_end)
435 sc->sc_play_nextblk = sc->sc_play_start;
436
437 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
438 sc->sc_play_flip++ & 1 ?
439 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk);
440
441 if (sc->sc_pintr)
442 sc->sc_pintr(sc->sc_parg);
443 else
444 printf("unexpected play intr\n");
445 }
446
447 if (istat & FM_INTSTATUS_REC) {
448 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >=
449 sc->sc_rec_end)
450 sc->sc_rec_nextblk = sc->sc_rec_start;
451
452 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
453 sc->sc_rec_flip++ & 1 ?
454 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk);
455
456 if (sc->sc_rintr)
457 sc->sc_rintr(sc->sc_rarg);
458 else
459 printf("unexpected rec intr\n");
460 }
461
462 #if NMPU > 0
463 if (istat & FM_INTSTATUS_MPU)
464 mpu_intr(sc_mpu);
465 #endif
466
467 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
468 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC));
469
470 return 1;
471 }
472
473 static int
474 fms_query_encoding(void *addr, struct audio_encoding *fp)
475 {
476
477 switch (fp->index) {
478 case 0:
479 strcpy(fp->name, AudioEmulaw);
480 fp->encoding = AUDIO_ENCODING_ULAW;
481 fp->precision = 8;
482 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
483 return 0;
484 case 1:
485 strcpy(fp->name, AudioEslinear_le);
486 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
487 fp->precision = 16;
488 fp->flags = 0;
489 return 0;
490 case 2:
491 strcpy(fp->name, AudioEulinear);
492 fp->encoding = AUDIO_ENCODING_ULINEAR;
493 fp->precision = 8;
494 fp->flags = 0;
495 return 0;
496 case 3:
497 strcpy(fp->name, AudioEalaw);
498 fp->encoding = AUDIO_ENCODING_ALAW;
499 fp->precision = 8;
500 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
501 return 0;
502 case 4:
503 strcpy(fp->name, AudioEulinear_le);
504 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
505 fp->precision = 16;
506 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
507 return 0;
508 case 5:
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 6:
515 strcpy(fp->name, AudioEulinear_be);
516 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
517 fp->precision = 16;
518 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
519 return 0;
520 case 7:
521 strcpy(fp->name, AudioEslinear_be);
522 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
523 fp->precision = 16;
524 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
525 return 0;
526 default:
527 return EINVAL;
528 }
529 }
530
531 /*
532 * Range below -limit- is set to -rate-
533 * What a pity FM801 does not have 24000
534 * 24000 -> 22050 sounds rather poor
535 */
536 static struct {
537 int limit;
538 int rate;
539 } const fms_rates[11] = {
540 { 6600, 5500 },
541 { 8750, 8000 },
542 { 10250, 9600 },
543 { 13200, 11025 },
544 { 17500, 16000 },
545 { 20500, 19200 },
546 { 26500, 22050 },
547 { 35000, 32000 },
548 { 41000, 38400 },
549 { 46000, 44100 },
550 { 48000, 48000 },
551 /* anything above -> 48000 */
552 };
553
554 #define FMS_NFORMATS 4
555 static const struct audio_format fms_formats[FMS_NFORMATS] = {
556 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
557 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
558 32000, 38400, 44100, 48000}},
559 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
560 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
561 32000, 38400, 44100, 48000}},
562 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
563 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
564 32000, 38400, 44100, 48000}},
565 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
566 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050,
567 32000, 38400, 44100, 48000}},
568 };
569
570 static int
571 fms_set_params(void *addr, int setmode, int usemode,
572 audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
573 stream_filter_list_t *rfil)
574 {
575 struct fms_softc *sc;
576 int i, index;
577
578 sc = addr;
579 if (setmode & AUMODE_PLAY) {
580 for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit;
581 i++)
582 continue;
583 play->sample_rate = fms_rates[i].rate;
584 index = auconv_set_converter(fms_formats, FMS_NFORMATS,
585 AUMODE_PLAY, play, FALSE, pfil);
586 if (index < 0)
587 return EINVAL;
588 sc->sc_play_reg = i << 8;
589 if (fms_formats[index].channels == 2)
590 sc->sc_play_reg |= FM_PLAY_STEREO;
591 if (fms_formats[index].precision == 16)
592 sc->sc_play_reg |= FM_PLAY_16BIT;
593 }
594
595 if (setmode & AUMODE_RECORD) {
596 for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit;
597 i++)
598 continue;
599 rec->sample_rate = fms_rates[i].rate;
600 index = auconv_set_converter(fms_formats, FMS_NFORMATS,
601 AUMODE_RECORD, rec, FALSE, rfil);
602 if (index < 0)
603 return EINVAL;
604 sc->sc_rec_reg = i << 8;
605 if (fms_formats[index].channels == 2)
606 sc->sc_rec_reg |= FM_REC_STEREO;
607 if (fms_formats[index].precision == 16)
608 sc->sc_rec_reg |= FM_REC_16BIT;
609 }
610
611 return 0;
612 }
613
614 static int
615 fms_round_blocksize(void *addr, int blk, int mode,
616 const audio_params_t *param)
617 {
618
619 return blk & ~0xf;
620 }
621
622 static int
623 fms_halt_output(void *addr)
624 {
625 struct fms_softc *sc;
626 uint16_t k1;
627
628 sc = addr;
629 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL);
630 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
631 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
632 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST);
633
634 return 0;
635 }
636
637 static int
638 fms_halt_input(void *addr)
639 {
640 struct fms_softc *sc;
641 uint16_t k1;
642
643 sc = addr;
644 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL);
645 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
646 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
647 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST);
648
649 return 0;
650 }
651
652 static int
653 fms_getdev(void *addr, struct audio_device *retp)
654 {
655
656 *retp = fms_device;
657 return 0;
658 }
659
660 static int
661 fms_set_port(void *addr, mixer_ctrl_t *cp)
662 {
663 struct fms_softc *sc;
664
665 sc = addr;
666 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
667 }
668
669 static int
670 fms_get_port(void *addr, mixer_ctrl_t *cp)
671 {
672 struct fms_softc *sc;
673
674 sc = addr;
675 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
676 }
677
678 static void *
679 fms_malloc(void *addr, int direction, size_t size,
680 struct malloc_type *pool, int flags)
681 {
682 struct fms_softc *sc;
683 struct fms_dma *p;
684 int error;
685 int rseg;
686
687 sc = addr;
688 p = malloc(sizeof(*p), pool, flags);
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_NOWAIT)) != 0) {
695 printf("%s: unable to allocate DMA, error = %d\n",
696 sc->sc_dev.dv_xname, error);
697 goto fail_alloc;
698 }
699
700 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
701 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
702 printf("%s: unable to map DMA, error = %d\n",
703 sc->sc_dev.dv_xname, error);
704 goto fail_map;
705 }
706
707 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
708 BUS_DMA_NOWAIT, &p->map)) != 0) {
709 printf("%s: unable to create DMA map, error = %d\n",
710 sc->sc_dev.dv_xname, error);
711 goto fail_create;
712 }
713
714 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
715 BUS_DMA_NOWAIT)) != 0) {
716 printf("%s: unable to load DMA map, error = %d\n",
717 sc->sc_dev.dv_xname, error);
718 goto fail_load;
719 }
720
721 p->next = sc->sc_dmas;
722 sc->sc_dmas = p;
723
724 return p->addr;
725
726
727 fail_load:
728 bus_dmamap_destroy(sc->sc_dmat, p->map);
729 fail_create:
730 bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
731 fail_map:
732 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
733 fail_alloc:
734 free(p, pool);
735 return NULL;
736 }
737
738 static void
739 fms_free(void *addr, void *ptr, struct malloc_type *pool)
740 {
741 struct fms_softc *sc;
742 struct fms_dma **pp, *p;
743
744 sc = addr;
745 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
746 if (p->addr == ptr) {
747 bus_dmamap_unload(sc->sc_dmat, p->map);
748 bus_dmamap_destroy(sc->sc_dmat, p->map);
749 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
750 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
751
752 *pp = p->next;
753 free(p, pool);
754 return;
755 }
756
757 panic("fms_free: trying to free unallocated memory");
758 }
759
760 static size_t
761 fms_round_buffersize(void *addr, int direction, size_t size)
762 {
763
764 return size;
765 }
766
767 static paddr_t
768 fms_mappage(void *addr, void *mem, off_t off, int prot)
769 {
770 struct fms_softc *sc;
771 struct fms_dma *p;
772
773 sc = addr;
774 if (off < 0)
775 return -1;
776
777 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
778 continue;
779 if (p == NULL)
780 return -1;
781
782 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
783 BUS_DMA_WAITOK);
784 }
785
786 static int
787 fms_get_props(void *addr)
788 {
789 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
790 AUDIO_PROP_FULLDUPLEX;
791 }
792
793 static int
794 fms_query_devinfo(void *addr, mixer_devinfo_t *dip)
795 {
796 struct fms_softc *sc;
797
798 sc = addr;
799 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
800 }
801
802 static int
803 fms_trigger_output(void *addr, void *start, void *end, int blksize,
804 void (*intr)(void *), void *arg, const audio_params_t *param)
805 {
806 struct fms_softc *sc;
807 struct fms_dma *p;
808
809 sc = addr;
810 sc->sc_pintr = intr;
811 sc->sc_parg = arg;
812
813 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
814 continue;
815
816 if (p == NULL)
817 panic("fms_trigger_output: request with bad start "
818 "address (%p)", start);
819
820 sc->sc_play_start = p->map->dm_segs[0].ds_addr;
821 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start);
822 sc->sc_play_blksize = blksize;
823 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize;
824 sc->sc_play_flip = 0;
825 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1);
826 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1,
827 sc->sc_play_start);
828 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2,
829 sc->sc_play_nextblk);
830 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
831 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg);
832 return 0;
833 }
834
835
836 static int
837 fms_trigger_input(void *addr, void *start, void *end, int blksize,
838 void (*intr)(void *), void *arg, const audio_params_t *param)
839 {
840 struct fms_softc *sc;
841 struct fms_dma *p;
842
843 sc = addr;
844 sc->sc_rintr = intr;
845 sc->sc_rarg = arg;
846
847 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
848 continue;
849
850 if (p == NULL)
851 panic("fms_trigger_input: request with bad start "
852 "address (%p)", start);
853
854 sc->sc_rec_start = p->map->dm_segs[0].ds_addr;
855 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start);
856 sc->sc_rec_blksize = blksize;
857 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize;
858 sc->sc_rec_flip = 0;
859 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1);
860 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1,
861 sc->sc_rec_start);
862 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2,
863 sc->sc_rec_nextblk);
864 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
865 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg);
866 return 0;
867 }
868