1 /* $NetBSD: fms.c,v 1.49 2021/08/07 16:19:14 thorpej 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 1.49 2021/08/07 16:19:14 thorpej 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/audio_if.h>
55
56 #include <dev/ic/ac97var.h>
57 #include <dev/ic/mpuvar.h>
58
59 #include <dev/pci/fmsvar.h>
60
61
62 struct fms_dma {
63 struct fms_dma *next;
64 void *addr;
65 size_t size;
66 bus_dmamap_t map;
67 bus_dma_segment_t seg;
68 };
69
70
71
72 static int fms_match(device_t, cfdata_t, void *);
73 static void fms_attach(device_t, device_t, void *);
74 static int fms_intr(void *);
75
76 static int fms_query_format(void *, audio_format_query_t *);
77 static int fms_set_format(void *, int,
78 const audio_params_t *, const audio_params_t *,
79 audio_filter_reg_t *, audio_filter_reg_t *);
80 static int fms_round_blocksize(void *, int, int, const audio_params_t *);
81 static int fms_halt_output(void *);
82 static int fms_halt_input(void *);
83 static int fms_getdev(void *, struct audio_device *);
84 static int fms_set_port(void *, mixer_ctrl_t *);
85 static int fms_get_port(void *, mixer_ctrl_t *);
86 static int fms_query_devinfo(void *, mixer_devinfo_t *);
87 static void *fms_malloc(void *, int, size_t);
88 static void fms_free(void *, void *, size_t);
89 static int fms_get_props(void *);
90 static int fms_trigger_output(void *, void *, void *, int,
91 void (*)(void *), void *,
92 const audio_params_t *);
93 static int fms_trigger_input(void *, void *, void *, int,
94 void (*)(void *), void *,
95 const audio_params_t *);
96 static void fms_get_locks(void *, kmutex_t **, kmutex_t **);
97
98 CFATTACH_DECL_NEW(fms, sizeof (struct fms_softc),
99 fms_match, fms_attach, NULL, NULL);
100
101 static struct audio_device fms_device = {
102 "Forte Media 801",
103 "1.0",
104 "fms"
105 };
106
107 /*
108 * The frequency list in this format is also referred from fms_rate2index().
109 * So don't rearrange or delete entries.
110 */
111 static const struct audio_format fms_formats[] = {
112 {
113 .mode = AUMODE_PLAY | AUMODE_RECORD,
114 .encoding = AUDIO_ENCODING_SLINEAR_LE,
115 .validbits = 16,
116 .precision = 16,
117 .channels = 2,
118 .channel_mask = AUFMT_STEREO,
119 .frequency_type = 11,
120 .frequency = { 5500, 8000, 9600, 11025, 16000, 19200,
121 22050, 32000, 38400, 44100, 48000},
122 },
123 };
124 #define FMS_NFORMATS __arraycount(fms_formats)
125
126
127 static const struct audio_hw_if fms_hw_if = {
128 .query_format = fms_query_format,
129 .set_format = fms_set_format,
130 .round_blocksize = fms_round_blocksize,
131 .halt_output = fms_halt_output,
132 .halt_input = fms_halt_input,
133 .getdev = fms_getdev,
134 .set_port = fms_set_port,
135 .get_port = fms_get_port,
136 .query_devinfo = fms_query_devinfo,
137 .allocm = fms_malloc,
138 .freem = fms_free,
139 .get_props = fms_get_props,
140 .trigger_output = fms_trigger_output,
141 .trigger_input = fms_trigger_input,
142 .get_locks = fms_get_locks,
143 };
144
145 static int fms_attach_codec(void *, struct ac97_codec_if *);
146 static int fms_read_codec(void *, uint8_t, uint16_t *);
147 static int fms_write_codec(void *, uint8_t, uint16_t);
148 static int fms_reset_codec(void *);
149 static int fms_rate2index(u_int);
150
151 #define FM_PCM_VOLUME 0x00
152 #define FM_FM_VOLUME 0x02
153 #define FM_I2S_VOLUME 0x04
154 #define FM_RECORD_SOURCE 0x06
155
156 #define FM_PLAY_CTL 0x08
157 #define FM_PLAY_RATE_MASK 0x0f00
158 #define FM_PLAY_BUF1_LAST 0x0001
159 #define FM_PLAY_BUF2_LAST 0x0002
160 #define FM_PLAY_START 0x0020
161 #define FM_PLAY_PAUSE 0x0040
162 #define FM_PLAY_STOPNOW 0x0080
163 #define FM_PLAY_16BIT 0x4000
164 #define FM_PLAY_STEREO 0x8000
165
166 #define FM_PLAY_DMALEN 0x0a
167 #define FM_PLAY_DMABUF1 0x0c
168 #define FM_PLAY_DMABUF2 0x10
169
170
171 #define FM_REC_CTL 0x14
172 #define FM_REC_RATE_MASK 0x0f00
173 #define FM_REC_BUF1_LAST 0x0001
174 #define FM_REC_BUF2_LAST 0x0002
175 #define FM_REC_START 0x0020
176 #define FM_REC_PAUSE 0x0040
177 #define FM_REC_STOPNOW 0x0080
178 #define FM_REC_16BIT 0x4000
179 #define FM_REC_STEREO 0x8000
180
181
182 #define FM_REC_DMALEN 0x16
183 #define FM_REC_DMABUF1 0x18
184 #define FM_REC_DMABUF2 0x1c
185
186 #define FM_CODEC_CTL 0x22
187 #define FM_VOLUME 0x26
188 #define FM_VOLUME_MUTE 0x8000
189
190 #define FM_CODEC_CMD 0x2a
191 #define FM_CODEC_CMD_READ 0x0080
192 #define FM_CODEC_CMD_VALID 0x0100
193 #define FM_CODEC_CMD_BUSY 0x0200
194
195 #define FM_CODEC_DATA 0x2c
196
197 #define FM_IO_CTL 0x52
198 #define FM_CARD_CTL 0x54
199
200 #define FM_INTMASK 0x56
201 #define FM_INTMASK_PLAY 0x0001
202 #define FM_INTMASK_REC 0x0002
203 #define FM_INTMASK_VOL 0x0040
204 #define FM_INTMASK_MPU 0x0080
205
206 #define FM_INTSTATUS 0x5a
207 #define FM_INTSTATUS_PLAY 0x0100
208 #define FM_INTSTATUS_REC 0x0200
209 #define FM_INTSTATUS_VOL 0x4000
210 #define FM_INTSTATUS_MPU 0x8000
211
212
213 static int
fms_match(device_t parent,cfdata_t match,void * aux)214 fms_match(device_t parent, cfdata_t match, void *aux)
215 {
216 struct pci_attach_args *pa;
217
218 pa = (struct pci_attach_args *)aux;
219 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA)
220 return 0;
221 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801)
222 return 0;
223
224 return 1;
225 }
226
227 static void
fms_attach(device_t parent,device_t self,void * aux)228 fms_attach(device_t parent, device_t self, void *aux)
229 {
230 struct pci_attach_args *pa;
231 struct fms_softc *sc;
232 struct audio_attach_args aa;
233 const char *intrstr;
234 pci_chipset_tag_t pc;
235 pcitag_t pt;
236 pci_intr_handle_t ih;
237 uint16_t k1;
238 char intrbuf[PCI_INTRSTR_LEN];
239
240 pa = aux;
241 sc = device_private(self);
242 sc->sc_dev = self;
243 intrstr = NULL;
244 pc = pa->pa_pc;
245 pt = pa->pa_tag;
246 aprint_naive(": Audio controller\n");
247 aprint_normal(": Forte Media FM-801\n");
248
249 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
250 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) {
251 aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
252 return;
253 }
254 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2,
255 &sc->sc_mpu_ioh))
256 panic("fms_attach: can't get mpu subregion handle");
257 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4,
258 &sc->sc_opl_ioh))
259 panic("fms_attach: can't get opl subregion handle");
260
261 if (pci_intr_map(pa, &ih)) {
262 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
263 return;
264 }
265 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
266
267 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
268 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
269
270 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, fms_intr, sc,
271 device_xname(self));
272 if (sc->sc_ih == NULL) {
273 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
274 if (intrstr != NULL)
275 aprint_error(" at %s", intrstr);
276 aprint_error("\n");
277 mutex_destroy(&sc->sc_lock);
278 mutex_destroy(&sc->sc_intr_lock);
279 return;
280 }
281
282 sc->sc_dmat = pa->pa_dmat;
283
284 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
285
286 /* Disable legacy audio (SBPro compatibility) */
287 pci_conf_write(pc, pt, 0x40, 0);
288
289 /* Reset codec and AC'97 */
290 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
291 delay(2); /* > 1us according to AC'97 documentation */
292 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
293 delay(1); /* > 168.2ns according to AC'97 documentation */
294
295 /* Set up volume */
296 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808);
297 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808);
298 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808);
299
300 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000);
301
302 /* Unmask playback, record and mpu interrupts, mask the rest */
303 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK);
304 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK,
305 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
306 FM_INTMASK_VOL);
307 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
308 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
309 FM_INTSTATUS_VOL);
310
311 sc->host_if.arg = sc;
312 sc->host_if.attach = fms_attach_codec;
313 sc->host_if.read = fms_read_codec;
314 sc->host_if.write = fms_write_codec;
315 sc->host_if.reset = fms_reset_codec;
316
317 if (ac97_attach(&sc->host_if, self, &sc->sc_lock) != 0) {
318 mutex_destroy(&sc->sc_intr_lock);
319 mutex_destroy(&sc->sc_lock);
320 return;
321 }
322
323 audio_attach_mi(&fms_hw_if, sc, sc->sc_dev);
324
325 aa.type = AUDIODEV_TYPE_OPL;
326 aa.hwif = NULL;
327 aa.hdl = NULL;
328 config_found(sc->sc_dev, &aa, audioprint, CFARGS_NONE);
329
330 aa.type = AUDIODEV_TYPE_MPU;
331 aa.hwif = NULL;
332 aa.hdl = NULL;
333 sc->sc_mpu_dev = config_found(sc->sc_dev, &aa, audioprint, CFARGS_NONE);
334 }
335
336 /*
337 * Each AC-link frame takes 20.8us, data should be ready in next frame,
338 * we allow more than two.
339 */
340 #define TIMO 50
341 static int
fms_read_codec(void * addr,uint8_t reg,uint16_t * val)342 fms_read_codec(void *addr, uint8_t reg, uint16_t *val)
343 {
344 struct fms_softc *sc;
345 int i;
346
347 sc = addr;
348 /* Poll until codec is ready */
349 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
350 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
351 delay(1);
352 if (i >= TIMO) {
353 printf("fms: codec busy\n");
354 return 1;
355 }
356
357 /* Write register index, read access */
358 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD,
359 reg | FM_CODEC_CMD_READ);
360
361 /* Poll until we have valid data */
362 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh,
363 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++)
364 delay(1);
365 if (i >= TIMO) {
366 printf("fms: no data from codec\n");
367 return 1;
368 }
369
370 /* Read data */
371 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA);
372 return 0;
373 }
374
375 static int
fms_write_codec(void * addr,uint8_t reg,uint16_t val)376 fms_write_codec(void *addr, uint8_t reg, uint16_t val)
377 {
378 struct fms_softc *sc = addr;
379 int i;
380
381 /* Poll until codec is ready */
382 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh,
383 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++)
384 delay(1);
385 if (i >= TIMO) {
386 printf("fms: codec busy\n");
387 return 1;
388 }
389
390 /* Write data */
391 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val);
392 /* Write index register, write access */
393 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg);
394 return 0;
395 }
396 #undef TIMO
397
398 static int
fms_attach_codec(void * addr,struct ac97_codec_if * cif)399 fms_attach_codec(void *addr, struct ac97_codec_if *cif)
400 {
401 struct fms_softc *sc;
402
403 sc = addr;
404 sc->codec_if = cif;
405 return 0;
406 }
407
408 /* Cold Reset */
409 static int
fms_reset_codec(void * addr)410 fms_reset_codec(void *addr)
411 {
412 struct fms_softc *sc;
413
414 sc = addr;
415 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020);
416 delay(2);
417 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000);
418 delay(1);
419 return 0;
420 }
421
422 static int
fms_intr(void * arg)423 fms_intr(void *arg)
424 {
425 struct fms_softc *sc = arg;
426 #if NMPU > 0
427 struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev);
428 #endif
429 uint16_t istat;
430
431 mutex_spin_enter(&sc->sc_intr_lock);
432
433 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS);
434
435 if (istat & FM_INTSTATUS_PLAY) {
436 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >=
437 sc->sc_play_end)
438 sc->sc_play_nextblk = sc->sc_play_start;
439
440 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
441 sc->sc_play_flip++ & 1 ?
442 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk);
443
444 if (sc->sc_pintr)
445 sc->sc_pintr(sc->sc_parg);
446 else
447 printf("unexpected play intr\n");
448 }
449
450 if (istat & FM_INTSTATUS_REC) {
451 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >=
452 sc->sc_rec_end)
453 sc->sc_rec_nextblk = sc->sc_rec_start;
454
455 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
456 sc->sc_rec_flip++ & 1 ?
457 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk);
458
459 if (sc->sc_rintr)
460 sc->sc_rintr(sc->sc_rarg);
461 else
462 printf("unexpected rec intr\n");
463 }
464
465 #if NMPU > 0
466 if (istat & FM_INTSTATUS_MPU)
467 mpu_intr(sc_mpu);
468 #endif
469
470 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS,
471 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC));
472
473 mutex_spin_exit(&sc->sc_intr_lock);
474
475 return 1;
476 }
477
478 static int
fms_query_format(void * addr,audio_format_query_t * afp)479 fms_query_format(void *addr, audio_format_query_t *afp)
480 {
481
482 return audio_query_format(fms_formats, FMS_NFORMATS, afp);
483 }
484
485 /* Return index number of sample_rate */
486 static int
fms_rate2index(u_int sample_rate)487 fms_rate2index(u_int sample_rate)
488 {
489 int i;
490
491 for (i = 0; i < fms_formats[0].frequency_type; i++) {
492 if (sample_rate == fms_formats[0].frequency[i])
493 return i;
494 }
495
496 /* NOTREACHED */
497 panic("fms_format.frequency mismatch?\n");
498 }
499
500 static int
fms_set_format(void * addr,int setmode,const audio_params_t * play,const audio_params_t * rec,audio_filter_reg_t * pfil,audio_filter_reg_t * rfil)501 fms_set_format(void *addr, int setmode,
502 const audio_params_t *play, const audio_params_t *rec,
503 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
504 {
505 struct fms_softc *sc;
506
507 sc = addr;
508 if (setmode & AUMODE_PLAY) {
509 sc->sc_play_reg = fms_rate2index(play->sample_rate) << 8;
510 sc->sc_play_reg |= FM_PLAY_STEREO;
511 sc->sc_play_reg |= FM_PLAY_16BIT;
512 }
513
514 if (setmode & AUMODE_RECORD) {
515 sc->sc_rec_reg = fms_rate2index(rec->sample_rate) << 8;
516 sc->sc_rec_reg |= FM_REC_STEREO;
517 sc->sc_rec_reg |= FM_REC_16BIT;
518 }
519
520 return 0;
521 }
522
523 static int
fms_round_blocksize(void * addr,int blk,int mode,const audio_params_t * param)524 fms_round_blocksize(void *addr, int blk, int mode,
525 const audio_params_t *param)
526 {
527
528 return blk & ~0xf;
529 }
530
531 static int
fms_halt_output(void * addr)532 fms_halt_output(void *addr)
533 {
534 struct fms_softc *sc;
535 uint16_t k1;
536
537 sc = addr;
538 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL);
539 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
540 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
541 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST);
542
543 return 0;
544 }
545
546 static int
fms_halt_input(void * addr)547 fms_halt_input(void *addr)
548 {
549 struct fms_softc *sc;
550 uint16_t k1;
551
552 sc = addr;
553 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL);
554 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
555 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
556 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST);
557
558 return 0;
559 }
560
561 static int
fms_getdev(void * addr,struct audio_device * retp)562 fms_getdev(void *addr, struct audio_device *retp)
563 {
564
565 *retp = fms_device;
566 return 0;
567 }
568
569 static int
fms_set_port(void * addr,mixer_ctrl_t * cp)570 fms_set_port(void *addr, mixer_ctrl_t *cp)
571 {
572 struct fms_softc *sc;
573
574 sc = addr;
575 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
576 }
577
578 static int
fms_get_port(void * addr,mixer_ctrl_t * cp)579 fms_get_port(void *addr, mixer_ctrl_t *cp)
580 {
581 struct fms_softc *sc;
582
583 sc = addr;
584 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
585 }
586
587 static void *
fms_malloc(void * addr,int direction,size_t size)588 fms_malloc(void *addr, int direction, size_t size)
589 {
590 struct fms_softc *sc;
591 struct fms_dma *p;
592 int error;
593 int rseg;
594
595 sc = addr;
596 p = kmem_alloc(sizeof(*p), KM_SLEEP);
597 p->size = size;
598
599 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
600 1, &rseg, BUS_DMA_WAITOK)) != 0) {
601 aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
602 goto fail_alloc;
603 }
604
605 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
606 BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
607 aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n",
608 error);
609 goto fail_map;
610 }
611
612 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
613 BUS_DMA_WAITOK, &p->map)) != 0) {
614 aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n",
615 error);
616 goto fail_create;
617 }
618
619 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
620 BUS_DMA_WAITOK)) != 0) {
621 aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n",
622 error);
623 goto fail_load;
624 }
625
626 p->next = sc->sc_dmas;
627 sc->sc_dmas = p;
628
629 return p->addr;
630
631
632 fail_load:
633 bus_dmamap_destroy(sc->sc_dmat, p->map);
634 fail_create:
635 bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
636 fail_map:
637 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
638 fail_alloc:
639 kmem_free(p, sizeof(*p));
640 return NULL;
641 }
642
643 static void
fms_free(void * addr,void * ptr,size_t size)644 fms_free(void *addr, void *ptr, size_t size)
645 {
646 struct fms_softc *sc;
647 struct fms_dma **pp, *p;
648
649 sc = addr;
650 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
651 if (p->addr == ptr) {
652 bus_dmamap_unload(sc->sc_dmat, p->map);
653 bus_dmamap_destroy(sc->sc_dmat, p->map);
654 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
655 bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
656
657 *pp = p->next;
658 kmem_free(p, sizeof(*p));
659 return;
660 }
661
662 panic("fms_free: trying to free unallocated memory");
663 }
664
665 static int
fms_get_props(void * addr)666 fms_get_props(void *addr)
667 {
668
669 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE |
670 AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
671 }
672
673 static int
fms_query_devinfo(void * addr,mixer_devinfo_t * dip)674 fms_query_devinfo(void *addr, mixer_devinfo_t *dip)
675 {
676 struct fms_softc *sc;
677
678 sc = addr;
679 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
680 }
681
682 static int
fms_trigger_output(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,const audio_params_t * param)683 fms_trigger_output(void *addr, void *start, void *end, int blksize,
684 void (*intr)(void *), void *arg, const audio_params_t *param)
685 {
686 struct fms_softc *sc;
687 struct fms_dma *p;
688
689 sc = addr;
690 sc->sc_pintr = intr;
691 sc->sc_parg = arg;
692
693 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
694 continue;
695
696 if (p == NULL)
697 panic("fms_trigger_output: request with bad start "
698 "address (%p)", start);
699
700 sc->sc_play_start = p->map->dm_segs[0].ds_addr;
701 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start);
702 sc->sc_play_blksize = blksize;
703 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize;
704 sc->sc_play_flip = 0;
705 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1);
706 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1,
707 sc->sc_play_start);
708 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2,
709 sc->sc_play_nextblk);
710 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL,
711 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg);
712 return 0;
713 }
714
715
716 static int
fms_trigger_input(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,const audio_params_t * param)717 fms_trigger_input(void *addr, void *start, void *end, int blksize,
718 void (*intr)(void *), void *arg, const audio_params_t *param)
719 {
720 struct fms_softc *sc;
721 struct fms_dma *p;
722
723 sc = addr;
724 sc->sc_rintr = intr;
725 sc->sc_rarg = arg;
726
727 for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
728 continue;
729
730 if (p == NULL)
731 panic("fms_trigger_input: request with bad start "
732 "address (%p)", start);
733
734 sc->sc_rec_start = p->map->dm_segs[0].ds_addr;
735 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start);
736 sc->sc_rec_blksize = blksize;
737 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize;
738 sc->sc_rec_flip = 0;
739 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1);
740 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1,
741 sc->sc_rec_start);
742 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2,
743 sc->sc_rec_nextblk);
744 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL,
745 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg);
746 return 0;
747 }
748
749 static void
fms_get_locks(void * addr,kmutex_t ** intr,kmutex_t ** thread)750 fms_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
751 {
752 struct fms_softc *sc;
753
754 sc = addr;
755 *intr = &sc->sc_intr_lock;
756 *thread = &sc->sc_lock;
757 }
758