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[netbsd-mini2440.git] / sys / arch / x68k / dev / vs.c
blob34b5ff8ff76e60c1e6a3a96f1072dbe6da996fc7
1 /* $NetBSD: vs.c,v 1.32 2007/03/11 08:09:25 isaki Exp $ */
2
3 /*
4 * Copyright (c) 2001 Tetsuya Isaki. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 /*
31 * VS - OKI MSM6258 ADPCM voice synthesizer device driver.
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: vs.c,v 1.32 2007/03/11 08:09:25 isaki Exp $");
36
37 #include "audio.h"
38 #include "vs.h"
39 #if NAUDIO > 0 && NVS > 0
40
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/device.h>
44
45 #include <sys/audioio.h>
46 #include <dev/audio_if.h>
47 #include <dev/mulaw.h>
48
49 #include <machine/bus.h>
50 #include <machine/cpu.h>
51
52 #include <dev/ic/msm6258var.h>
53
54 #include <arch/x68k/dev/dmacvar.h>
55 #include <arch/x68k/dev/intiovar.h>
56 #include <arch/x68k/dev/opmvar.h>
57
58 #include <arch/x68k/dev/vsvar.h>
59
60 #ifdef VS_DEBUG
61 #define DPRINTF(y,x) if (vs_debug >= (y)) printf x
62 static int vs_debug;
63 #ifdef AUDIO_DEBUG
64 extern int audiodebug;
65 #endif
66 #else
67 #define DPRINTF(y,x)
68 #endif
69
70 static int vs_match(device_t, cfdata_t, void *);
71 static void vs_attach(device_t, device_t, void *);
72
73 static int vs_dmaintr(void *);
74 static int vs_dmaerrintr(void *);
75
76 /* MI audio layer interface */
77 static int vs_open(void *, int);
78 static void vs_close(void *);
79 static int vs_query_encoding(void *, struct audio_encoding *);
80 static int vs_set_params(void *, int, int, audio_params_t *,
81 audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
82 static int vs_trigger_output(void *, void *, void *, int,
83 void (*)(void *), void *, const audio_params_t *);
84 static int vs_trigger_input(void *, void *, void *, int,
85 void (*)(void *), void *, const audio_params_t *);
86 static int vs_halt_output(void *);
87 static int vs_halt_input(void *);
88 static int vs_allocmem(struct vs_softc *, size_t, size_t, size_t, int,
89 struct vs_dma *);
90 static void vs_freemem(struct vs_dma *);
91 static int vs_getdev(void *, struct audio_device *);
92 static int vs_set_port(void *, mixer_ctrl_t *);
93 static int vs_get_port(void *, mixer_ctrl_t *);
94 static int vs_query_devinfo(void *, mixer_devinfo_t *);
95 static void *vs_allocm(void *, int, size_t, struct malloc_type *, int);
96 static void vs_freem(void *, void *, struct malloc_type *);
97 static size_t vs_round_buffersize(void *, int, size_t);
98 static int vs_get_props(void *);
99
100 /* lower functions */
101 static int vs_round_sr(u_long);
102 static void vs_set_sr(struct vs_softc *, int);
103 static inline void vs_set_po(struct vs_softc *, u_long);
104
105 extern struct cfdriver vs_cd;
106
107 CFATTACH_DECL_NEW(vs, sizeof(struct vs_softc),
108 vs_match, vs_attach, NULL, NULL);
109
110 static int vs_attached;
111
112 static const struct audio_hw_if vs_hw_if = {
113 vs_open,
114 vs_close,
115 NULL, /* drain */
116 vs_query_encoding,
117 vs_set_params,
118 NULL, /* round_blocksize */
119 NULL, /* commit_settings */
120 NULL, /* init_output */
121 NULL, /* init_input */
122 NULL, /* start_output */
123 NULL, /* start_input */
124 vs_halt_output,
125 vs_halt_input,
126 NULL, /* speaker_ctl */
127 vs_getdev,
128 NULL, /* setfd */
129 vs_set_port,
130 vs_get_port,
131 vs_query_devinfo,
132 vs_allocm,
133 vs_freem,
134 vs_round_buffersize,
135 NULL, /* mappage */
136 vs_get_props,
137 vs_trigger_output,
138 vs_trigger_input,
139 NULL,
140 };
141
142 static struct audio_device vs_device = {
143 "OKI MSM6258",
144 "",
145 "vs"
146 };
147
148 struct {
149 u_long rate;
150 u_char clk;
151 u_char den;
152 } vs_l2r[] = {
153 { VS_RATE_15K, VS_CLK_8MHZ, VS_SRATE_512 },
154 { VS_RATE_10K, VS_CLK_8MHZ, VS_SRATE_768 },
155 { VS_RATE_7K, VS_CLK_8MHZ, VS_SRATE_1024},
156 { VS_RATE_5K, VS_CLK_4MHZ, VS_SRATE_768 },
157 { VS_RATE_3K, VS_CLK_4MHZ, VS_SRATE_1024}
158 };
159
160 #define NUM_RATE (sizeof(vs_l2r)/sizeof(vs_l2r[0]))
161
162 struct {
163 const char *name;
164 int encoding;
165 int precision;
166 } vs_encodings[] = {
167 {AudioEadpcm, AUDIO_ENCODING_ADPCM, 4},
168 {AudioEslinear, AUDIO_ENCODING_SLINEAR, 8},
169 {AudioEulinear, AUDIO_ENCODING_ULINEAR, 8},
170 {AudioEmulaw, AUDIO_ENCODING_ULAW, 8},
171 {AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16},
172 {AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16},
173 };
174
175 static int
176 vs_match(device_t parent, cfdata_t cf, void *aux)
177 {
178 struct intio_attach_args *ia;
179
180 ia = aux;
181 if (strcmp(ia->ia_name, "vs") || vs_attached)
182 return 0;
183
184 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT)
185 ia->ia_addr = VS_ADDR;
186 if (ia->ia_dma == INTIOCF_DMA_DEFAULT)
187 ia->ia_dma = VS_DMA;
188 if (ia->ia_dmaintr == INTIOCF_DMAINTR_DEFAULT)
189 ia->ia_dmaintr = VS_DMAINTR;
190
191 /* fixed parameters */
192 if (ia->ia_addr != VS_ADDR)
193 return 0;
194 if (ia->ia_dma != VS_DMA)
195 return 0;
196 if (ia->ia_dmaintr != VS_DMAINTR)
197 return 0;
198
199 #ifdef VS_DEBUG
200 vs_debug = 1;
201 #ifdef AUDIO_DEBUG
202 audiodebug = 2;
203 #endif
204 #endif
205
206 return 1;
207 }
208
209 static void
210 vs_attach(device_t parent, device_t self, void *aux)
211 {
212 struct vs_softc *sc;
213 bus_space_tag_t iot;
214 bus_space_handle_t ioh;
215 struct intio_attach_args *ia;
216
217 sc = device_private(self);
218 sc->sc_dev = self;
219 ia = aux;
220 vs_attached = 1;
221
222 printf("\n");
223
224 /* Re-map the I/O space */
225 iot = ia->ia_bst;
226 bus_space_map(iot, ia->ia_addr, 0x2000, BUS_SPACE_MAP_SHIFTED, &ioh);
227
228 /* Initialize sc */
229 sc->sc_iot = iot;
230 sc->sc_ioh = ioh;
231 sc->sc_hw_if = &vs_hw_if;
232 sc->sc_addr = (void *) ia->ia_addr;
233 sc->sc_dmas = NULL;
234
235 /* XXX */
236 bus_space_map(iot, PPI_ADDR, PPI_MAPSIZE, BUS_SPACE_MAP_SHIFTED,
237 &sc->sc_ppi);
238
239 /* Initialize DMAC */
240 sc->sc_dmat = ia->ia_dmat;
241 sc->sc_dma_ch = dmac_alloc_channel(parent, ia->ia_dma, "vs",
242 ia->ia_dmaintr, vs_dmaintr, sc,
243 ia->ia_dmaintr+1, vs_dmaerrintr, sc);
244
245 aprint_normal_dev(self, "MSM6258V ADPCM voice synthesizer\n");
246
247 audio_attach_mi(&vs_hw_if, sc, sc->sc_dev);
248 }
249
250 /*
251 * vs interrupt handler
252 */
253 static int
254 vs_dmaintr(void *hdl)
255 {
256 struct vs_softc *sc;
257
258 DPRINTF(2, ("vs_dmaintr\n"));
259 sc = hdl;
260 if (sc->sc_pintr) {
261 /* start next transfer */
262 sc->sc_current.dmap += sc->sc_current.blksize;
263 if (sc->sc_current.dmap + sc->sc_current.blksize
264 > sc->sc_current.bufsize)
265 sc->sc_current.dmap -= sc->sc_current.bufsize;
266 dmac_start_xfer_offset(sc->sc_dma_ch->ch_softc,
267 sc->sc_current.xfer,
268 sc->sc_current.dmap,
269 sc->sc_current.blksize);
270 sc->sc_pintr(sc->sc_parg);
271 } else if (sc->sc_rintr) {
272 /* start next transfer */
273 sc->sc_current.dmap += sc->sc_current.blksize;
274 if (sc->sc_current.dmap + sc->sc_current.blksize
275 > sc->sc_current.bufsize)
276 sc->sc_current.dmap -= sc->sc_current.bufsize;
277 dmac_start_xfer_offset(sc->sc_dma_ch->ch_softc,
278 sc->sc_current.xfer,
279 sc->sc_current.dmap,
280 sc->sc_current.blksize);
281 sc->sc_rintr(sc->sc_rarg);
282 } else {
283 printf("vs_dmaintr: spurious interrupt\n");
284 }
285
286 return 1;
287 }
288
289 static int
290 vs_dmaerrintr(void *hdl)
291 {
292 struct vs_softc *sc;
293
294 sc = hdl;
295 DPRINTF(1, ("%s: DMA transfer error.\n", device_xname(sc->sc_dev)));
296 /* XXX */
297 vs_dmaintr(sc);
298
299 return 1;
300 }
301
302
303 /*
304 * audio MD layer interfaces
305 */
306
307 static int
308 vs_open(void *hdl, int flags)
309 {
310 struct vs_softc *sc;
311
312 DPRINTF(1, ("vs_open: flags=%d\n", flags));
313 sc = hdl;
314 sc->sc_pintr = NULL;
315 sc->sc_rintr = NULL;
316
317 return 0;
318 }
319
320 static void
321 vs_close(void *hdl)
322 {
323
324 DPRINTF(1, ("vs_close\n"));
325 }
326
327 static int
328 vs_query_encoding(void *hdl, struct audio_encoding *fp)
329 {
330
331 DPRINTF(1, ("vs_query_encoding\n"));
332 if (fp->index >= sizeof(vs_encodings) / sizeof(vs_encodings[0]))
333 return EINVAL;
334
335 strcpy(fp->name, vs_encodings[fp->index].name);
336 fp->encoding = vs_encodings[fp->index].encoding;
337 fp->precision = vs_encodings[fp->index].precision;
338 if (fp->encoding == AUDIO_ENCODING_ADPCM)
339 fp->flags = 0;
340 else
341 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
342 return 0;
343 }
344
345 static int
346 vs_round_sr(u_long rate)
347 {
348 int i;
349 int diff;
350 int nearest;
351
352 diff = rate;
353 nearest = 0;
354 for (i = 0; i < NUM_RATE; i++) {
355 if (rate >= vs_l2r[i].rate) {
356 if (rate - vs_l2r[i].rate < diff) {
357 diff = rate - vs_l2r[i].rate;
358 nearest = i;
359 }
360 } else {
361 if (vs_l2r[i].rate - rate < diff) {
362 diff = vs_l2r[i].rate - rate;
363 nearest = i;
364 }
365 }
366 }
367 if (diff * 100 / rate > 15)
368 return -1;
369 else
370 return nearest;
371 }
372
373 static int
374 vs_set_params(void *hdl, int setmode, int usemode,
375 audio_params_t *play, audio_params_t *rec,
376 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
377 {
378 struct vs_softc *sc;
379 struct audio_params *p;
380 int mode;
381 int rate;
382 stream_filter_factory_t *pswcode;
383 stream_filter_factory_t *rswcode;
384 audio_params_t hw;
385 int matched;
386
387 DPRINTF(1, ("vs_set_params: setmode=%d, usemode=%d\n",
388 setmode, usemode));
389
390 sc = hdl;
391 /* set first record info, then play info */
392 for (mode = AUMODE_RECORD; mode != -1;
393 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) {
394 if ((setmode & mode) == 0)
395 continue;
396
397 p = (mode == AUMODE_PLAY) ? play : rec;
398
399 if (p->channels != 1)
400 return EINVAL;
401
402 rate = p->sample_rate;
403 pswcode = NULL;
404 rswcode = NULL;
405 hw = *p;
406 hw.encoding = AUDIO_ENCODING_ADPCM;
407 hw.precision = hw.validbits = 4;
408 DPRINTF(1, ("vs_set_params: encoding=%d, precision=%d\n",
409 p->encoding, p->precision));
410 matched = 0;
411 switch (p->precision) {
412 case 4:
413 if (p->encoding == AUDIO_ENCODING_ADPCM)
414 matched = 1;
415 break;
416 case 8:
417 switch (p->encoding) {
418 case AUDIO_ENCODING_ULAW:
419 matched = 1;
420 hw.encoding = AUDIO_ENCODING_ULINEAR_LE;
421 hw.precision = hw.validbits = 8;
422 pfil->prepend(pfil, mulaw_to_linear8, &hw);
423 hw.encoding = AUDIO_ENCODING_ADPCM;
424 hw.precision = hw.validbits = 4;
425 pfil->prepend(pfil, msm6258_linear8_to_adpcm, &hw);
426 rfil->append(rfil, msm6258_adpcm_to_linear8, &hw);
427 hw.encoding = AUDIO_ENCODING_ULINEAR_LE;
428 hw.precision = hw.validbits = 8;
429 rfil->append(rfil, linear8_to_mulaw, &hw);
430 break;
431 case AUDIO_ENCODING_SLINEAR:
432 case AUDIO_ENCODING_SLINEAR_LE:
433 case AUDIO_ENCODING_SLINEAR_BE:
434 case AUDIO_ENCODING_ULINEAR:
435 case AUDIO_ENCODING_ULINEAR_LE:
436 case AUDIO_ENCODING_ULINEAR_BE:
437 matched = 1;
438 pfil->append(pfil, msm6258_linear8_to_adpcm, &hw);
439 rfil->append(rfil, msm6258_adpcm_to_linear8, &hw);
440 break;
441 }
442 break;
443 case 16:
444 switch (p->encoding) {
445 case AUDIO_ENCODING_SLINEAR_LE:
446 case AUDIO_ENCODING_SLINEAR_BE:
447 matched = 1;
448 pfil->append(pfil, msm6258_slinear16_to_adpcm, &hw);
449 rfil->append(rfil, msm6258_adpcm_to_slinear16, &hw);
450 break;
451 }
452 break;
453 }
454 if (matched == 0) {
455 DPRINTF(1, ("vs_set_params: mode=%d, encoding=%d\n",
456 mode, p->encoding));
457 return EINVAL;
458 }
459
460 DPRINTF(1, ("vs_set_params: rate=%d -> ", rate));
461 rate = vs_round_sr(rate);
462 DPRINTF(1, ("%d\n", rate));
463 if (rate < 0)
464 return EINVAL;
465 if (mode == AUMODE_PLAY) {
466 sc->sc_current.prate = rate;
467 } else {
468 sc->sc_current.rrate = rate;
469 }
470 }
471
472 return 0;
473 }
474
475 static void
476 vs_set_sr(struct vs_softc *sc, int rate)
477 {
478
479 DPRINTF(1, ("setting sample rate to %d, %d\n",
480 rate, (int)vs_l2r[rate].rate));
481 bus_space_write_1(sc->sc_iot, sc->sc_ppi, PPI_PORTC,
482 (bus_space_read_1 (sc->sc_iot, sc->sc_ppi,
483 PPI_PORTC) & 0xf0)
484 | vs_l2r[rate].den);
485 adpcm_chgclk(vs_l2r[rate].clk);
486 }
487
488 static inline void
489 vs_set_po(struct vs_softc *sc, u_long po)
490 {
491 bus_space_write_1(sc->sc_iot, sc->sc_ppi, PPI_PORTC,
492 (bus_space_read_1(sc->sc_iot, sc->sc_ppi, PPI_PORTC)
493 & 0xfc) | po);
494 }
495
496 static int
497 vs_trigger_output(void *hdl, void *start, void *end, int bsize,
498 void (*intr)(void *), void *arg,
499 const audio_params_t *p)
500 {
501 struct vs_softc *sc;
502 struct vs_dma *vd;
503 struct dmac_dma_xfer *xf;
504 struct dmac_channel_stat *chan;
505
506 DPRINTF(2, ("vs_trigger_output: start=%p, bsize=%d, intr=%p, arg=%p\n",
507 start, bsize, intr, arg));
508 sc = hdl;
509 chan = sc->sc_dma_ch;
510 sc->sc_pintr = intr;
511 sc->sc_parg = arg;
512 sc->sc_current.blksize = bsize;
513 sc->sc_current.bufsize = (char *)end - (char *)start;
514 sc->sc_current.dmap = 0;
515
516 /* Find DMA buffer. */
517 for (vd = sc->sc_dmas; vd != NULL && KVADDR(vd) != start;
518 vd = vd->vd_next)
519 continue;
520 if (vd == NULL) {
521 printf("%s: trigger_output: bad addr %p\n",
522 device_xname(sc->sc_dev), start);
523 return EINVAL;
524 }
525
526 vs_set_sr(sc, sc->sc_current.prate);
527 vs_set_po(sc, VS_PANOUT_LR);
528
529 xf = dmac_alloc_xfer(chan, sc->sc_dmat, vd->vd_map);
530 sc->sc_current.xfer = xf;
531 chan->ch_dcr = (DMAC_DCR_XRM_CSWOH | DMAC_DCR_OTYP_EASYNC |
532 DMAC_DCR_OPS_8BIT);
533 chan->ch_ocr = DMAC_OCR_REQG_EXTERNAL;
534 xf->dx_ocr = DMAC_OCR_DIR_MTD;
535 xf->dx_scr = DMAC_SCR_MAC_COUNT_UP | DMAC_SCR_DAC_NO_COUNT;
536 xf->dx_device = sc->sc_addr + MSM6258_DATA*2 + 1;
537
538 dmac_load_xfer(chan->ch_softc, xf);
539 dmac_start_xfer_offset(chan->ch_softc, xf, 0, sc->sc_current.blksize);
540 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 2);
541
542 return 0;
543 }
544
545 static int
546 vs_trigger_input(void *hdl, void *start, void *end, int bsize,
547 void (*intr)(void *), void *arg,
548 const audio_params_t *p)
549 {
550 struct vs_softc *sc;
551 struct vs_dma *vd;
552 struct dmac_dma_xfer *xf;
553 struct dmac_channel_stat *chan;
554
555 DPRINTF(2, ("vs_trigger_input: start=%p, bsize=%d, intr=%p, arg=%p\n",
556 start, bsize, intr, arg));
557 sc = hdl;
558 chan = sc->sc_dma_ch;
559 sc->sc_rintr = intr;
560 sc->sc_rarg = arg;
561 sc->sc_current.blksize = bsize;
562 sc->sc_current.bufsize = (char *)end - (char *)start;
563 sc->sc_current.dmap = 0;
564
565 /* Find DMA buffer. */
566 for (vd = sc->sc_dmas; vd != NULL && KVADDR(vd) != start;
567 vd = vd->vd_next)
568 continue;
569 if (vd == NULL) {
570 printf("%s: trigger_output: bad addr %p\n",
571 device_xname(sc->sc_dev), start);
572 return EINVAL;
573 }
574
575 vs_set_sr(sc, sc->sc_current.rrate);
576 xf = dmac_alloc_xfer(chan, sc->sc_dmat, vd->vd_map);
577 sc->sc_current.xfer = xf;
578 chan->ch_dcr = (DMAC_DCR_XRM_CSWOH | DMAC_DCR_OTYP_EASYNC |
579 DMAC_DCR_OPS_8BIT);
580 chan->ch_ocr = DMAC_OCR_REQG_EXTERNAL;
581 xf->dx_ocr = DMAC_OCR_DIR_DTM;
582 xf->dx_scr = DMAC_SCR_MAC_COUNT_UP | DMAC_SCR_DAC_NO_COUNT;
583 xf->dx_device = sc->sc_addr + MSM6258_DATA*2 + 1;
584
585 dmac_load_xfer(chan->ch_softc, xf);
586 dmac_start_xfer_offset(chan->ch_softc, xf, 0, sc->sc_current.blksize);
587 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 4);
588
589 return 0;
590 }
591
592 static int
593 vs_halt_output(void *hdl)
594 {
595 struct vs_softc *sc;
596
597 DPRINTF(1, ("vs_halt_output\n"));
598 sc = hdl;
599 /* stop ADPCM play */
600 dmac_abort_xfer(sc->sc_dma_ch->ch_softc, sc->sc_current.xfer);
601 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 1);
602
603 return 0;
604 }
605
606 static int
607 vs_halt_input(void *hdl)
608 {
609 struct vs_softc *sc;
610
611 DPRINTF(1, ("vs_halt_input\n"));
612 sc = hdl;
613 /* stop ADPCM recoding */
614 dmac_abort_xfer(sc->sc_dma_ch->ch_softc, sc->sc_current.xfer);
615 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 1);
616
617 return 0;
618 }
619
620 static int
621 vs_allocmem(struct vs_softc *sc, size_t size, size_t align, size_t boundary,
622 int flags, struct vs_dma *vd)
623 {
624 int error, wait;
625
626 #ifdef DIAGNOSTIC
627 if (size > DMAC_MAXSEGSZ)
628 panic ("vs_allocmem: maximum size exceeded, %d", (int) size);
629 #endif
630
631 wait = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK;
632 vd->vd_size = size;
633
634 error = bus_dmamem_alloc(vd->vd_dmat, vd->vd_size, align, boundary,
635 vd->vd_segs,
636 sizeof (vd->vd_segs) / sizeof (vd->vd_segs[0]),
637 &vd->vd_nsegs, wait);
638 if (error)
639 goto out;
640
641 error = bus_dmamem_map(vd->vd_dmat, vd->vd_segs, vd->vd_nsegs,
642 vd->vd_size, &vd->vd_addr,
643 wait | BUS_DMA_COHERENT);
644 if (error)
645 goto free;
646
647 error = bus_dmamap_create(vd->vd_dmat, vd->vd_size, 1, DMAC_MAXSEGSZ,
648 0, wait, &vd->vd_map);
649 if (error)
650 goto unmap;
651
652 error = bus_dmamap_load(vd->vd_dmat, vd->vd_map, vd->vd_addr,
653 vd->vd_size, NULL, wait);
654 if (error)
655 goto destroy;
656
657 return 0;
658
659 destroy:
660 bus_dmamap_destroy(vd->vd_dmat, vd->vd_map);
661 unmap:
662 bus_dmamem_unmap(vd->vd_dmat, vd->vd_addr, vd->vd_size);
663 free:
664 bus_dmamem_free(vd->vd_dmat, vd->vd_segs, vd->vd_nsegs);
665 out:
666 return error;
667 }
668
669 static void
670 vs_freemem(struct vs_dma *vd)
671 {
672
673 bus_dmamap_unload(vd->vd_dmat, vd->vd_map);
674 bus_dmamap_destroy(vd->vd_dmat, vd->vd_map);
675 bus_dmamem_unmap(vd->vd_dmat, vd->vd_addr, vd->vd_size);
676 bus_dmamem_free(vd->vd_dmat, vd->vd_segs, vd->vd_nsegs);
677 }
678
679 static int
680 vs_getdev(void *hdl, struct audio_device *retp)
681 {
682
683 DPRINTF(1, ("vs_getdev\n"));
684 *retp = vs_device;
685 return 0;
686 }
687
688 static int
689 vs_set_port(void *hdl, mixer_ctrl_t *cp)
690 {
691
692 DPRINTF(1, ("vs_set_port\n"));
693 return 0;
694 }
695
696 static int
697 vs_get_port(void *hdl, mixer_ctrl_t *cp)
698 {
699
700 DPRINTF(1, ("vs_get_port\n"));
701 return 0;
702 }
703
704 static int
705 vs_query_devinfo(void *hdl, mixer_devinfo_t *mi)
706 {
707
708 DPRINTF(1, ("vs_query_devinfo\n"));
709 switch (mi->index) {
710 default:
711 return EINVAL;
712 }
713 return 0;
714 }
715
716 static void *
717 vs_allocm(void *hdl, int direction, size_t size, struct malloc_type *type,
718 int flags)
719 {
720 struct vs_softc *sc;
721 struct vs_dma *vd;
722 int error;
723
724 if ((vd = malloc(size, type, flags)) == NULL)
725 return NULL;
726 sc = hdl;
727 vd->vd_dmat = sc->sc_dmat;
728
729 error = vs_allocmem(sc, size, 32, 0, flags, vd);
730 if (error) {
731 free(vd, type);
732 return NULL;
733 }
734 vd->vd_next = sc->sc_dmas;
735 sc->sc_dmas = vd;
736
737 return KVADDR(vd);
738 }
739
740 static void
741 vs_freem(void *hdl, void *addr, struct malloc_type *type)
742 {
743 struct vs_softc *sc;
744 struct vs_dma *p, **pp;
745
746 sc = hdl;
747 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->vd_next) {
748 if (KVADDR(p) == addr) {
749 vs_freemem(p);
750 *pp = p->vd_next;
751 free(p, type);
752 return;
753 }
754 }
755 }
756
757 static size_t
758 vs_round_buffersize(void *hdl, int direction, size_t bufsize)
759 {
760
761 if (bufsize > DMAC_MAXSEGSZ)
762 bufsize = DMAC_MAXSEGSZ;
763 return bufsize;
764 }
765
766 #if 0
767 paddr_t
768 vs_mappage(void *addr, void *mem, off_t off, int prot)
769 {
770 struct vs_softc *sc;
771 struct vs_dma *p;
772
773 if (off < 0)
774 return -1;
775 sc = addr;
776 for (p = sc->sc_dmas; p != NULL && KVADDR(p) != mem;
777 p = p->vd_next)
778 continue;
779 if (p == NULL) {
780 printf("%s: mappage: bad addr %p\n",
781 device_xname(sc->sc_dev), start);
782 return -1;
783 }
784
785 return bus_dmamem_mmap(sc->sc_dmat, p->vd_segs, p->vd_nsegs,
786 off, prot, BUS_DMA_WAITOK);
787 }
788 #endif
789
790 static int
791 vs_get_props(void *hdl)
792 {
793
794 DPRINTF(1, ("vs_get_props\n"));
795 return 0 /* | dependent | half duplex | no mmap */;
796 }
797 #endif /* NAUDIO > 0 && NVS > 0*/
NetBSD on the FriendlyARM MINI2440