fms.c revision 1.15 1 /* $NetBSD: fms.c,v 1.15 2002/10/02 16:51:14 thorpej 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 1.15 2002/10/02 16:51:14 thorpej 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 <machine/bus.h>
58 #include <machine/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 caddr_t addr;
76 size_t size;
77 bus_dmamap_t map;
78 bus_dma_segment_t seg;
79 };
80
81
82
83 int fms_match __P((struct device *, struct cfdata *, void *));
84 void fms_attach __P((struct device *, struct device *, void *));
85 int fms_intr __P((void *));
86
87 int fms_open __P((void *, int));
88 void fms_close __P((void *));
89 int fms_query_encoding __P((void *, struct audio_encoding *));
90 int fms_set_params __P((void *, int, int, struct audio_params *,
91 struct audio_params *));
92 int fms_round_blocksize __P((void *, int));
93 int fms_halt_output __P((void *));
94 int fms_halt_input __P((void *));
95 int fms_getdev __P((void *, struct audio_device *));
96 int fms_set_port __P((void *, mixer_ctrl_t *));
97 int fms_get_port __P((void *, mixer_ctrl_t *));
98 int fms_query_devinfo __P((void *, mixer_devinfo_t *));
99 void *fms_malloc __P((void *, int, size_t, int, int));
100 void fms_free __P((void *, void *, int));
101 size_t fms_round_buffersize __P((void *, int, size_t));
102 paddr_t fms_mappage __P((void *, void *, off_t, int));
103 int fms_get_props __P((void *));
104 int fms_trigger_output __P((void *, void *, void *, int, void (*)(void *),
105 void *, struct audio_params *));
106 int fms_trigger_input __P((void *, void *, void *, int, void (*)(void *),
107 void *, struct audio_params *));
108
109 CFATTACH_DECL(fms, sizeof (struct fms_softc),
110 fms_match, fms_attach, NULL, NULL);
111
112 struct audio_device fms_device = {
113 "Forte Media 801",
114 "1.0",
115 "fms"
116 };
117
118
119 struct audio_hw_if fms_hw_if = {
120 fms_open,
121 fms_close,
122 NULL,
123 fms_query_encoding,
124 fms_set_params,
125 fms_round_blocksize,
126 NULL,
127 NULL,
128 NULL,
129 NULL,
130 NULL,
131 fms_halt_output,
132 fms_halt_input,
133 NULL,
134 fms_getdev,
135 NULL,
136 fms_set_port,
137 fms_get_port,
138 fms_query_devinfo,
139 fms_malloc,
140 fms_free,
141 fms_round_buffersize,
142 fms_mappage,
143 fms_get_props,
144 fms_trigger_output,
145 fms_trigger_input,
146 NULL,
147 };
148
149 int fms_attach_codec __P((void *, struct ac97_codec_if *));
150 int fms_read_codec __P((void *, u_int8_t, u_int16_t *));
151 int fms_write_codec __P((void *, u_int8_t, u_int16_t));
152 void fms_reset_codec __P((void *));
153
154 int fms_allocmem __P((struct fms_softc *, size_t, size_t,
155 struct fms_dma *));
156 int fms_freemem __P((struct fms_softc *, struct fms_dma *));
157
158 #define FM_PCM_VOLUME 0x00
159 #define FM_FM_VOLUME 0x02
160 #define FM_I2S_VOLUME 0x04
161 #define FM_RECORD_SOURCE 0x06
162
163 #define FM_PLAY_CTL 0x08
164 #define FM_PLAY_RATE_MASK 0x0f00
165 #define FM_PLAY_BUF1_LAST 0x0001
166 #define FM_PLAY_BUF2_LAST 0x0002
167 #define FM_PLAY_START 0x0020
168 #define FM_PLAY_PAUSE 0x0040
169 #define FM_PLAY_STOPNOW 0x0080
170 #define FM_PLAY_16BIT 0x4000
171 #define FM_PLAY_STEREO 0x8000
172
173 #define FM_PLAY_DMALEN 0x0a
174 #define FM_PLAY_DMABUF1 0x0c
175 #define FM_PLAY_DMABUF2 0x10
176
177
178 #define FM_REC_CTL 0x14
179 #define FM_REC_RATE_MASK 0x0f00
180 #define FM_REC_BUF1_LAST 0x0001
181 #define FM_REC_BUF2_LAST 0x0002
182 #define FM_REC_START 0x0020
183 #define FM_REC_PAUSE 0x0040
184 #define FM_REC_STOPNOW 0x0080
185 #define FM_REC_16BIT 0x4000
186 #define FM_REC_STEREO 0x8000
187
188
189 #define FM_REC_DMALEN 0x16
190 #define FM_REC_DMABUF1 0x18
191 #define FM_REC_DMABUF2 0x1c
192
193 #define FM_CODEC_CTL 0x22
194 #define FM_VOLUME 0x26
195 #define FM_VOLUME_MUTE 0x8000
196
197 #define FM_CODEC_CMD 0x2a
198 #define FM_CODEC_CMD_READ 0x0080
199 #define FM_CODEC_CMD_VALID 0x0100
200 #define FM_CODEC_CMD_BUSY 0x0200
201
202 #define FM_CODEC_DATA 0x2c
203
204 #define FM_IO_CTL 0x52
205 #define FM_CARD_CTL 0x54
206
207 #define FM_INTMASK 0x56
208 #define FM_INTMASK_PLAY 0x0001
209 #define FM_INTMASK_REC 0x0002
210 #define FM_INTMASK_VOL 0x0040
211 #define FM_INTMASK_MPU 0x0080
212
213 #define FM_INTSTATUS 0x5a
214 #define FM_INTSTATUS_PLAY 0x0100
215 #define FM_INTSTATUS_REC 0x0200
216 #define FM_INTSTATUS_VOL 0x4000
217 #define FM_INTSTATUS_MPU 0x8000
218
219
220
221 int
222 fms_match(parent, match, aux)
223 struct device *parent;
224 struct cfdata *match;
225 void *aux;
226 {
227 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
228
229 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA)
230 return 0;
231 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801)
232 return 0;
233
234 return 1;
235 }
236
237 void
238 fms_attach(parent, self, aux)
239 struct device *parent;
240 struct device *self;
241 void *aux;
242 {
243 struct pci_attach_args *pa = aux;
244 struct fms_softc *sc = (struct fms_softc *) self;
245 struct audio_attach_args aa;
246 const char *intrstr = NULL;
247 pci_chipset_tag_t pc = pa->pa_pc;
248 pcitag_t pt = pa->pa_tag;
249 pci_intr_handle_t ih;
250 int i;
251
252 u_int16_t k1;
253
254 printf(": Forte Media FM-801\n");
255
256 if (pci_intr_map(pa, &ih)) {
257 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
258 return;
259 }
260 intrstr = pci_intr_string(pc, ih);
261
262 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc);
263 if (sc->sc_ih == NULL) {
264 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname);
265 if (intrstr != NULL)
266 printf(" at %s", intrstr);
267 printf("\n");
268 return;
269 }
270
271 sc->sc_dmat = pa->pa_dmat;
272
273 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
274
275 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
276 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) {
277 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
278 return;
279 }
280
281 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2,
282 &sc->sc_mpu_ioh))
283 panic("fms_attach: can't get mpu subregion handle");
284
285 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4,
286 &sc->sc_opl_ioh))
287 panic("fms_attach: can't get opl subregion handle");
288
289 /* Disable legacy audio (SBPro compatibility) */
290 pci_conf_write(pc, pt, 0x40, 0);
291
292 /* Reset codec and AC'97 */
293 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
294 delay(2); /* > 1us according to AC'97 documentation */
295 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
296 delay(1); /* > 168.2ns according to AC'97 documentation */
297
298 /* Set up volume */
299 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808);
300 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808);
301 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808);
302
303 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000);
304
305 /* Unmask playback, record and mpu interrupts, mask the rest */
306 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK);
307 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK,
308 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
309 FM_INTMASK_VOL);
310 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
311 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
312 FM_INTSTATUS_VOL);
313
314 sc->host_if.arg = sc;
315 sc->host_if.attach = fms_attach_codec;
316 sc->host_if.read = fms_read_codec;
317 sc->host_if.write = fms_write_codec;
318 sc->host_if.reset = fms_reset_codec;
319
320 if (ac97_attach(&sc->host_if) != 0)
321 return;
322
323 /* Turn mute off */
324 for (i = 0; i < 3; i++) {
325 static struct {
326 char *class, *device;
327 } d[] = {
328 { AudioCoutputs, AudioNmaster },
329 { AudioCinputs, AudioNdac },
330 { AudioCrecord, AudioNvolume }
331 };
332 struct mixer_ctrl ctl;
333
334 ctl.type = AUDIO_MIXER_ENUM;
335 ctl.un.ord = 0;
336 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if,
337 d[i].class, d[i].device, AudioNmute);
338 fms_set_port(sc, &ctl);
339 }
340
341 audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev);
342
343 aa.type = AUDIODEV_TYPE_OPL;
344 aa.hwif = NULL;
345 aa.hdl = NULL;
346 config_found(&sc->sc_dev, &aa, audioprint);
347
348 aa.type = AUDIODEV_TYPE_MPU;
349 aa.hwif = NULL;
350 aa.hdl = NULL;
351 sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint);
352 }
353
354 /*
355 * Each AC-link frame takes 20.8us, data should be ready in next frame,
356 * we allow more than two.
357 */
358 #define TIMO 50
359 int
360 fms_read_codec(addr, reg, val)
361 void *addr;
362 u_int8_t reg;
363 u_int16_t *val;
364 {
365 struct fms_softc *sc = addr;
366 int i;
367
368 /* Poll until codec is ready */
369 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
370 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
371 delay(1);
372 if (i >= TIMO) {
373 printf("fms: codec busy\n");
374 return 1;
375 }
376
377 /* Write register index, read access */
378 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD,
379 reg | FM_CODEC_CMD_READ);
380
381 /* Poll until we have valid data */
382 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh,
383 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++)
384 delay(1);
385 if (i >= TIMO) {
386 printf("fms: no data from codec\n");
387 return 1;
388 }
389
390 /* Read data */
391 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA);
392 return 0;
393 }
394
395 int
396 fms_write_codec(addr, reg, val)
397 void *addr;
398 u_int8_t reg;
399 u_int16_t val;
400 {
401 struct fms_softc *sc = addr;
402 int i;
403
404 /* Poll until codec is ready */
405 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
406 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
407 delay(1);
408 if (i >= TIMO) {
409 printf("fms: codec busy\n");
410 return 1;
411 }
412
413 /* Write data */
414 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val);
415 /* Write index register, write access */
416 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg);
417 return 0;
418 }
419 #undef TIMO
420
421 int
422 fms_attach_codec(addr, cif)
423 void *addr;
424 struct ac97_codec_if *cif;
425 {
426 struct fms_softc *sc = addr;
427
428 sc->codec_if = cif;
429 return 0;
430 }
431
432 /* Cold Reset */
433 void
434 fms_reset_codec(addr)
435 void *addr;
436 {
437 struct fms_softc *sc = addr;
438 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
439 delay(2);
440 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
441 delay(1);
442 }
443
444 int
445 fms_intr(arg)
446 void *arg;
447 {
448 struct fms_softc *sc = arg;
449 u_int16_t istat;
450
451 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS);
452
453 if (istat & FM_INTSTATUS_PLAY) {
454 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >=
455 sc->sc_play_end)
456 sc->sc_play_nextblk = sc->sc_play_start;
457
458 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
459 sc->sc_play_flip++ & 1 ?
460 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk);
461
462 if (sc->sc_pintr)
463 sc->sc_pintr(sc->sc_parg);
464 else
465 printf("unexpected play intr\n");
466 }
467
468 if (istat & FM_INTSTATUS_REC) {
469 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >=
470 sc->sc_rec_end)
471 sc->sc_rec_nextblk = sc->sc_rec_start;
472
473 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
474 sc->sc_rec_flip++ & 1 ?
475 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk);
476
477 if (sc->sc_rintr)
478 sc->sc_rintr(sc->sc_rarg);
479 else
480 printf("unexpected rec intr\n");
481 }
482
483 #if NMPU > 0
484 if (istat & FM_INTSTATUS_MPU)
485 mpu_intr(sc->sc_mpu_dev);
486 #endif
487
488 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
489 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC));
490
491 return 1;
492 }
493
494 int
495 fms_open(addr, flags)
496 void *addr;
497 int flags;
498 {
499 /* UNUSED struct fms_softc *sc = addr;*/
500
501 return 0;
502 }
503
504 void
505 fms_close(addr)
506 void *addr;
507 {
508 /* UNUSED struct fms_softc *sc = addr;*/
509 }
510
511 int
512 fms_query_encoding(addr, fp)
513 void *addr;
514 struct audio_encoding *fp;
515 {
516
517 switch (fp->index) {
518 case 0:
519 strcpy(fp->name, AudioEmulaw);
520 fp->encoding = AUDIO_ENCODING_ULAW;
521 fp->precision = 8;
522 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
523 return 0;
524 case 1:
525 strcpy(fp->name, AudioEslinear_le);
526 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
527 fp->precision = 16;
528 fp->flags = 0;
529 return 0;
530 case 2:
531 strcpy(fp->name, AudioEulinear);
532 fp->encoding = AUDIO_ENCODING_ULINEAR;
533 fp->precision = 8;
534 fp->flags = 0;
535 return 0;
536 case 3:
537 strcpy(fp->name, AudioEalaw);
538 fp->encoding = AUDIO_ENCODING_ALAW;
539 fp->precision = 8;
540 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
541 return 0;
542 case 4:
543 strcpy(fp->name, AudioEulinear_le);
544 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
545 fp->precision = 16;
546 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
547 return 0;
548 case 5:
549 strcpy(fp->name, AudioEslinear);
550 fp->encoding = AUDIO_ENCODING_SLINEAR;
551 fp->precision = 8;
552 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
553 return 0;
554 case 6:
555 strcpy(fp->name, AudioEulinear_be);
556 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
557 fp->precision = 16;
558 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
559 return 0;
560 case 7:
561 strcpy(fp->name, AudioEslinear_be);
562 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
563 fp->precision = 16;
564 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
565 return 0;
566 default:
567 return EINVAL;
568 }
569 }
570
571 /*
572 * Range below -limit- is set to -rate-
573 * What a pity FM801 does not have 24000
574 * 24000 -> 22050 sounds rather poor
575 */
576 struct {
577 int limit;
578 int rate;
579 } fms_rates[11] = {
580 { 6600, 5500 },
581 { 8750, 8000 },
582 { 10250, 9600 },
583 { 13200, 11025 },
584 { 17500, 16000 },
585 { 20500, 19200 },
586 { 26500, 22050 },
587 { 35000, 32000 },
588 { 41000, 38400 },
589 { 46000, 44100 },
590 { 48000, 48000 },
591 /* anything above -> 48000 */
592 };
593
594 int
595 fms_set_params(addr, setmode, usemode, play, rec)
596 void *addr;
597 int setmode, usemode;
598 struct audio_params *play, *rec;
599 {
600 struct fms_softc *sc = addr;
601 int i;
602
603 if (setmode & AUMODE_PLAY) {
604 play->factor = 1;
605 play->sw_code = 0;
606 switch(play->encoding) {
607 case AUDIO_ENCODING_ULAW:
608 play->factor = 2;
609 play->sw_code = mulaw_to_slinear16_le;
610 break;
611 case AUDIO_ENCODING_SLINEAR_LE:
612 if (play->precision == 8)
613 play->sw_code = change_sign8;
614 break;
615 case AUDIO_ENCODING_ULINEAR_LE:
616 if (play->precision == 16)
617 play->sw_code = change_sign16_le;
618 break;
619 case AUDIO_ENCODING_ALAW:
620 play->factor = 2;
621 play->sw_code = alaw_to_slinear16_le;
622 break;
623 case AUDIO_ENCODING_SLINEAR_BE:
624 if (play->precision == 16)
625 play->sw_code = swap_bytes;
626 else
627 play->sw_code = change_sign8;
628 break;
629 case AUDIO_ENCODING_ULINEAR_BE:
630 if (play->precision == 16)
631 play->sw_code = change_sign16_swap_bytes_le;
632 break;
633 default:
634 return EINVAL;
635 }
636 for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit;
637 i++)
638 ;
639 play->sample_rate = fms_rates[i].rate;
640 sc->sc_play_reg = (play->channels == 2 ? FM_PLAY_STEREO : 0) |
641 (play->precision * play->factor == 16 ? FM_PLAY_16BIT : 0) |
642 (i << 8);
643 }
644
645 if (setmode & AUMODE_RECORD) {
646
647 rec->factor = 1;
648 rec->sw_code = 0;
649 switch(rec->encoding) {
650 case AUDIO_ENCODING_ULAW:
651 rec->sw_code = ulinear8_to_mulaw;
652 break;
653 case AUDIO_ENCODING_SLINEAR_LE:
654 if (rec->precision == 8)
655 rec->sw_code = change_sign8;
656 break;
657 case AUDIO_ENCODING_ULINEAR_LE:
658 if (rec->precision == 16)
659 rec->sw_code = change_sign16_le;
660 break;
661 case AUDIO_ENCODING_ALAW:
662 rec->sw_code = ulinear8_to_alaw;
663 break;
664 case AUDIO_ENCODING_SLINEAR_BE:
665 if (play->precision == 16)
666 play->sw_code = swap_bytes;
667 else
668 play->sw_code = change_sign8;
669 break;
670 case AUDIO_ENCODING_ULINEAR_BE:
671 if (play->precision == 16)
672 play->sw_code = swap_bytes_change_sign16_le;
673 break;
674 default:
675 return EINVAL;
676 }
677 for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit;
678 i++)
679 ;
680 rec->sample_rate = fms_rates[i].rate;
681 sc->sc_rec_reg =
682 (rec->channels == 2 ? FM_REC_STEREO : 0) |
683 (rec->precision * rec->factor == 16 ? FM_REC_16BIT : 0) |
684 (i << 8);
685 }
686
687 return 0;
688 }
689
690 int
691 fms_round_blocksize(addr, blk)
692 void *addr;
693 int blk;
694 {
695 return blk & ~0xf;
696 }
697
698 int
699 fms_halt_output(addr)
700 void *addr;
701 {
702 struct fms_softc *sc = addr;
703 u_int16_t k1;
704
705 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL);
706 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
707 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
708 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST);
709
710 return 0;
711 }
712
713 int
714 fms_halt_input(addr)
715 void *addr;
716 {
717 struct fms_softc *sc = addr;
718 u_int16_t k1;
719
720 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL);
721 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
722 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
723 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST);
724
725 return 0;
726 }
727
728 int
729 fms_getdev(addr, retp)
730 void *addr;
731 struct audio_device *retp;
732 {
733 *retp = fms_device;
734 return 0;
735 }
736
737 int
738 fms_set_port(addr, cp)
739 void *addr;
740 mixer_ctrl_t *cp;
741 {
742 struct fms_softc *sc = addr;
743
744 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
745 }
746
747 int
748 fms_get_port(addr, cp)
749 void *addr;
750 mixer_ctrl_t *cp;
751 {
752 struct fms_softc *sc = addr;
753
754 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
755 }
756
757 void *
758 fms_malloc(addr, direction, size, pool, flags)
759 void *addr;
760 int direction;
761 size_t size;
762 int pool, flags;
763 {
764 struct fms_softc *sc = addr;
765 struct fms_dma *p;
766 int error;
767 int rseg;
768
769 p = malloc(sizeof(*p), pool, flags);
770 if (!p)
771 return 0;
772
773 p->size = size;
774 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
775 1, &rseg, BUS_DMA_NOWAIT)) != 0) {
776 printf("%s: unable to allocate dma, error = %d\n",
777 sc->sc_dev.dv_xname, error);
778 goto fail_alloc;
779 }
780
781 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
782 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
783 printf("%s: unable to map dma, error = %d\n",
784 sc->sc_dev.dv_xname, error);
785 goto fail_map;
786 }
787
788 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
789 BUS_DMA_NOWAIT, &p->map)) != 0) {
790 printf("%s: unable to create dma map, error = %d\n",
791 sc->sc_dev.dv_xname, error);
792 goto fail_create;
793 }
794
795 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
796 BUS_DMA_NOWAIT)) != 0) {
797 printf("%s: unable to load dma map, error = %d\n",
798 sc->sc_dev.dv_xname, error);
799 goto fail_load;
800 }
801
802 p->next = sc->sc_dmas;
803 sc->sc_dmas = p;
804
805 return p->addr;
806
807
808 fail_load:
809 bus_dmamap_destroy(sc->sc_dmat, p->map);
810 fail_create:
811 bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
812 fail_map:
813 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
814 fail_alloc:
815 free(p, pool);
816 return 0;
817 }
818
819 void
820 fms_free(addr, ptr, pool)
821 void *addr;
822 void *ptr;
823 int pool;
824 {
825 struct fms_softc *sc = addr;
826 struct fms_dma **pp, *p;
827
828 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
829 if (p->addr == ptr) {
830 bus_dmamap_unload(sc->sc_dmat, p->map);
831 bus_dmamap_destroy(sc->sc_dmat, p->map);
832 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
833 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
834
835 *pp = p->next;
836 free(p, pool);
837 return;
838 }
839
840 panic("fms_free: trying to free unallocated memory");
841 }
842
843 size_t
844 fms_round_buffersize(addr, direction, size)
845 void *addr;
846 int direction;
847 size_t size;
848 {
849 return size;
850 }
851
852 paddr_t
853 fms_mappage(addr, mem, off, prot)
854 void *addr;
855 void *mem;
856 off_t off;
857 int prot;
858 {
859 struct fms_softc *sc = addr;
860 struct fms_dma *p;
861
862 if (off < 0)
863 return -1;
864
865 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
866 ;
867 if (!p)
868 return -1;
869
870 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
871 BUS_DMA_WAITOK);
872 }
873
874 int
875 fms_get_props(addr)
876 void *addr;
877 {
878 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
879 AUDIO_PROP_FULLDUPLEX;
880 }
881
882 int
883 fms_query_devinfo(addr, dip)
884 void *addr;
885 mixer_devinfo_t *dip;
886 {
887 struct fms_softc *sc = addr;
888
889 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
890 }
891
892 int
893 fms_trigger_output(addr, start, end, blksize, intr, arg, param)
894 void *addr;
895 void *start, *end;
896 int blksize;
897 void (*intr) __P((void *));
898 void *arg;
899 struct audio_params *param;
900 {
901 struct fms_softc *sc = addr;
902 struct fms_dma *p;
903
904 sc->sc_pintr = intr;
905 sc->sc_parg = arg;
906
907 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
908 ;
909
910 if (!p)
911 panic("fms_trigger_output: request with bad start "
912 "address (%p)", start);
913
914 sc->sc_play_start = p->map->dm_segs[0].ds_addr;
915 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start);
916 sc->sc_play_blksize = blksize;
917 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize;
918 sc->sc_play_flip = 0;
919 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1);
920 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1,
921 sc->sc_play_start);
922 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2,
923 sc->sc_play_nextblk);
924 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
925 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg);
926 return 0;
927 }
928
929
930 int
931 fms_trigger_input(addr, start, end, blksize, intr, arg, param)
932 void *addr;
933 void *start, *end;
934 int blksize;
935 void (*intr) __P((void *));
936 void *arg;
937 struct audio_params *param;
938 {
939 struct fms_softc *sc = addr;
940 struct fms_dma *p;
941
942 sc->sc_rintr = intr;
943 sc->sc_rarg = arg;
944
945 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
946 ;
947
948 if (!p)
949 panic("fms_trigger_input: request with bad start "
950 "address (%p)", start);
951
952 sc->sc_rec_start = p->map->dm_segs[0].ds_addr;
953 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start);
954 sc->sc_rec_blksize = blksize;
955 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize;
956 sc->sc_rec_flip = 0;
957 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1);
958 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1,
959 sc->sc_rec_start);
960 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2,
961 sc->sc_rec_nextblk);
962 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
963 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg);
964 return 0;
965 }
966
967
968