2 * Copyright (c) 2012 Ruslan Bukin <br@bsdpad.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * RME HDSPe driver for FreeBSD (pcm-part).
29 * Supported cards: AIO, RayDAT.
32 #include <dev/sound/pcm/sound.h>
33 #include <dev/sound/pci/hdspe.h>
34 #include <dev/sound/chip.h>
36 #include <dev/pci/pcireg.h>
37 #include <dev/pci/pcivar.h>
41 SND_DECLARE_FILE("$FreeBSD$");
43 struct hdspe_latency {
49 static struct hdspe_latency latency_map[] = {
67 static struct hdspe_rate rate_map[] = {
68 { 32000, (HDSPE_FREQ_32000) },
69 { 44100, (HDSPE_FREQ_44100) },
70 { 48000, (HDSPE_FREQ_48000) },
71 { 64000, (HDSPE_FREQ_32000 | HDSPE_FREQ_DOUBLE) },
72 { 88200, (HDSPE_FREQ_44100 | HDSPE_FREQ_DOUBLE) },
73 { 96000, (HDSPE_FREQ_48000 | HDSPE_FREQ_DOUBLE) },
74 { 128000, (HDSPE_FREQ_32000 | HDSPE_FREQ_QUAD) },
75 { 176400, (HDSPE_FREQ_44100 | HDSPE_FREQ_QUAD) },
76 { 192000, (HDSPE_FREQ_48000 | HDSPE_FREQ_QUAD) },
83 hdspe_hw_mixer(struct sc_chinfo *ch, unsigned int dst,
84 unsigned int src, unsigned short data)
86 struct sc_pcminfo *scp = ch->parent;
87 struct sc_info *sc = scp->sc;
90 if (ch->dir == PCMDIR_PLAY)
93 hdspe_write_4(sc, HDSPE_MIXER_BASE +
94 ((offs + src + 128 * dst) * sizeof(uint32_t)),
101 hdspechan_setgain(struct sc_chinfo *ch)
104 hdspe_hw_mixer(ch, ch->lslot, ch->lslot,
105 ch->lvol * HDSPE_MAX_GAIN / 100);
106 hdspe_hw_mixer(ch, ch->rslot, ch->rslot,
107 ch->rvol * HDSPE_MAX_GAIN / 100);
113 hdspemixer_init(struct snd_mixer *m)
115 struct sc_pcminfo *scp = mix_getdevinfo(m);
116 struct sc_info *sc = scp->sc;
122 mask = SOUND_MASK_PCM;
125 mask |= SOUND_MASK_VOLUME;
128 mask |= SOUND_MASK_RECLEV;
130 snd_mtxlock(sc->lock);
131 pcm_setflags(scp->dev, pcm_getflags(scp->dev) | SD_F_SOFTPCMVOL);
132 mix_setdevs(m, mask);
133 snd_mtxunlock(sc->lock);
139 hdspemixer_set(struct snd_mixer *m, unsigned dev,
140 unsigned left, unsigned right)
142 struct sc_pcminfo *scp = mix_getdevinfo(m);
143 struct sc_chinfo *ch;
147 device_printf(scp->dev, "hdspemixer_set() %d %d\n",
151 for (i = 0; i < scp->chnum; i++) {
153 if ((dev == SOUND_MIXER_VOLUME && ch->dir == PCMDIR_PLAY) ||
154 (dev == SOUND_MIXER_RECLEV && ch->dir == PCMDIR_REC)) {
158 hdspechan_setgain(ch);
165 static kobj_method_t hdspemixer_methods[] = {
166 KOBJMETHOD(mixer_init, hdspemixer_init),
167 KOBJMETHOD(mixer_set, hdspemixer_set),
170 MIXER_DECLARE(hdspemixer);
173 hdspechan_enable(struct sc_chinfo *ch, int value)
175 struct sc_pcminfo *scp = ch->parent;
176 struct sc_info *sc = scp->sc;
179 if (ch->dir == PCMDIR_PLAY)
180 reg = HDSPE_OUT_ENABLE_BASE;
182 reg = HDSPE_IN_ENABLE_BASE;
186 hdspe_write_1(sc, reg + (4 * ch->lslot), value);
187 hdspe_write_1(sc, reg + (4 * ch->rslot), value);
191 hdspe_running(struct sc_info *sc)
193 struct sc_pcminfo *scp;
194 struct sc_chinfo *ch;
195 int i, j, devcount, err;
198 if ((err = device_get_children(sc->dev, &devlist, &devcount)) != 0)
201 for (i = 0; i < devcount; i++) {
202 scp = device_get_ivars(devlist[i]);
203 for (j = 0; j < scp->chnum; j++) {
214 device_printf(sc->dev,"hdspe is running\n");
221 hdspe_start_audio(struct sc_info *sc)
224 sc->ctrl_register |= (HDSPE_AUDIO_INT_ENABLE | HDSPE_ENABLE);
225 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register);
229 hdspe_stop_audio(struct sc_info *sc)
232 if (hdspe_running(sc) == 1)
235 sc->ctrl_register &= ~(HDSPE_AUDIO_INT_ENABLE | HDSPE_ENABLE);
236 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register);
239 /* Multiplex / demultiplex: 2.0 <-> 2 x 1.0. */
241 buffer_copy(struct sc_chinfo *ch)
243 struct sc_pcminfo *scp = ch->parent;
244 struct sc_info *sc = scp->sc;
249 length = sndbuf_getready(ch->buffer) /
250 (4 /* Bytes per sample. */ * 2 /* channels */);
252 if (ch->dir == PCMDIR_PLAY) {
253 src = sndbuf_getreadyptr(ch->buffer);
255 src = sndbuf_getfreeptr(ch->buffer);
258 src /= 4; /* Bytes per sample. */
259 dst = src / 2; /* Destination buffer twice smaller. */
261 ssize = ch->size / 4;
262 dsize = ch->size / 8;
265 * Use two fragment buffer to avoid sound clipping.
268 for (i = 0; i < sc->period * 2 /* fragments */; i++) {
269 if (ch->dir == PCMDIR_PLAY) {
270 sc->pbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->lslot] =
272 sc->pbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->rslot] =
277 sc->rbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->lslot];
279 sc->rbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->rslot];
290 clean(struct sc_chinfo *ch){
291 struct sc_pcminfo *scp = ch->parent;
292 struct sc_info *sc = scp->sc;
293 uint32_t *buf = sc->rbuf;
295 if (ch->dir == PCMDIR_PLAY) {
299 bzero(buf + HDSPE_CHANBUF_SAMPLES * ch->lslot, HDSPE_CHANBUF_SIZE);
300 bzero(buf + HDSPE_CHANBUF_SAMPLES * ch->rslot, HDSPE_CHANBUF_SIZE);
306 /* Channel interface. */
308 hdspechan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
309 struct pcm_channel *c, int dir)
311 struct sc_pcminfo *scp = devinfo;
312 struct sc_info *sc = scp->sc;
313 struct sc_chinfo *ch;
316 snd_mtxlock(sc->lock);
319 ch = &scp->chan[num];
320 ch->lslot = scp->hc->left;
321 ch->rslot = scp->hc->right;
326 ch->size = HDSPE_CHANBUF_SIZE * 2 /* slots */;
327 ch->data = malloc(ch->size, M_HDSPE, M_NOWAIT);
335 snd_mtxunlock(sc->lock);
337 if (sndbuf_setup(ch->buffer, ch->data, ch->size) != 0) {
338 device_printf(scp->dev, "Can't setup sndbuf.\n");
346 hdspechan_trigger(kobj_t obj, void *data, int go)
348 struct sc_chinfo *ch = data;
349 struct sc_pcminfo *scp = ch->parent;
350 struct sc_info *sc = scp->sc;
352 snd_mtxlock(sc->lock);
356 device_printf(scp->dev, "hdspechan_trigger(): start\n");
358 hdspechan_enable(ch, 1);
359 hdspechan_setgain(ch);
360 hdspe_start_audio(sc);
366 device_printf(scp->dev, "hdspechan_trigger(): stop or abort\n");
369 hdspechan_enable(ch, 0);
370 hdspe_stop_audio(sc);
373 case PCMTRIG_EMLDMAWR:
374 case PCMTRIG_EMLDMARD:
380 snd_mtxunlock(sc->lock);
386 hdspechan_getptr(kobj_t obj, void *data)
388 struct sc_chinfo *ch = data;
389 struct sc_pcminfo *scp = ch->parent;
390 struct sc_info *sc = scp->sc;
393 snd_mtxlock(sc->lock);
394 ret = hdspe_read_2(sc, HDSPE_STATUS_REG);
395 snd_mtxunlock(sc->lock);
397 pos = ret & HDSPE_BUF_POSITION_MASK;
398 pos *= 2; /* Hardbuf twice bigger. */
404 hdspechan_free(kobj_t obj, void *data)
406 struct sc_chinfo *ch = data;
407 struct sc_pcminfo *scp = ch->parent;
408 struct sc_info *sc = scp->sc;
411 device_printf(scp->dev, "hdspechan_free()\n");
413 snd_mtxlock(sc->lock);
414 if (ch->data != NULL) {
415 free(ch->data, M_HDSPE);
418 snd_mtxunlock(sc->lock);
424 hdspechan_setformat(kobj_t obj, void *data, uint32_t format)
426 struct sc_chinfo *ch = data;
429 struct sc_pcminfo *scp = ch->parent;
430 device_printf(scp->dev, "hdspechan_setformat(%d)\n", format);
439 hdspechan_setspeed(kobj_t obj, void *data, uint32_t speed)
441 struct sc_chinfo *ch = data;
442 struct sc_pcminfo *scp = ch->parent;
443 struct sc_info *sc = scp->sc;
444 struct hdspe_rate *hr = NULL;
450 device_printf(scp->dev, "hdspechan_setspeed(%d)\n", speed);
453 if (hdspe_running(sc) == 1)
456 /* First look for equal frequency. */
457 for (i = 0; rate_map[i].speed != 0; i++) {
458 if (rate_map[i].speed == speed)
462 /* If no match, just find nearest. */
464 for (i = 0; rate_map[i].speed != 0; i++) {
466 threshold = hr->speed + ((rate_map[i + 1].speed != 0) ?
467 ((rate_map[i + 1].speed - hr->speed) >> 1) : 0);
468 if (speed < threshold)
476 period = HDSPE_FREQ_AIO;
479 /* Unsupported card. */
483 /* Write frequency on the device. */
484 sc->ctrl_register &= ~HDSPE_FREQ_MASK;
485 sc->ctrl_register |= hr->reg;
486 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register);
491 else if (speed > 48000)
496 hdspe_write_4(sc, HDSPE_FREQ_REG, period);
498 sc->speed = hr->speed;
504 hdspechan_setblocksize(kobj_t obj, void *data, uint32_t blocksize)
506 struct sc_chinfo *ch = data;
507 struct sc_pcminfo *scp = ch->parent;
508 struct sc_info *sc = scp->sc;
509 struct hdspe_latency *hl = NULL;
514 device_printf(scp->dev, "hdspechan_setblocksize(%d)\n", blocksize);
517 if (hdspe_running(sc) == 1)
520 if (blocksize > HDSPE_LAT_BYTES_MAX)
521 blocksize = HDSPE_LAT_BYTES_MAX;
522 else if (blocksize < HDSPE_LAT_BYTES_MIN)
523 blocksize = HDSPE_LAT_BYTES_MIN;
525 blocksize /= 4 /* samples */;
527 /* First look for equal latency. */
528 for (i = 0; latency_map[i].period != 0; i++) {
529 if (latency_map[i].period == blocksize) {
530 hl = &latency_map[i];
534 /* If no match, just find nearest. */
536 for (i = 0; latency_map[i].period != 0; i++) {
537 hl = &latency_map[i];
538 threshold = hl->period + ((latency_map[i + 1].period != 0) ?
539 ((latency_map[i + 1].period - hl->period) >> 1) : 0);
540 if (blocksize < threshold)
545 snd_mtxlock(sc->lock);
546 sc->ctrl_register &= ~HDSPE_LAT_MASK;
547 sc->ctrl_register |= hdspe_encode_latency(hl->n);
548 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register);
549 sc->period = hl->period;
550 snd_mtxunlock(sc->lock);
553 device_printf(scp->dev, "New period=%d\n", sc->period);
556 sndbuf_resize(ch->buffer, (HDSPE_CHANBUF_SIZE * 2) / (sc->period * 4),
559 return sndbuf_getblksz(ch->buffer);
562 static uint32_t hdspe_rfmt[] = {
563 SND_FORMAT(AFMT_S32_LE, 2, 0),
567 static struct pcmchan_caps hdspe_rcaps = {32000, 192000, hdspe_rfmt, 0};
569 static uint32_t hdspe_pfmt[] = {
570 SND_FORMAT(AFMT_S32_LE, 2, 0),
574 static struct pcmchan_caps hdspe_pcaps = {32000, 192000, hdspe_pfmt, 0};
576 static struct pcmchan_caps *
577 hdspechan_getcaps(kobj_t obj, void *data)
579 struct sc_chinfo *ch = data;
582 struct sc_pcminfo *scl = ch->parent;
583 device_printf(scp->dev, "hdspechan_getcaps()\n");
586 return (ch->dir == PCMDIR_PLAY) ?
587 &hdspe_pcaps : &hdspe_rcaps;
590 static kobj_method_t hdspechan_methods[] = {
591 KOBJMETHOD(channel_init, hdspechan_init),
592 KOBJMETHOD(channel_free, hdspechan_free),
593 KOBJMETHOD(channel_setformat, hdspechan_setformat),
594 KOBJMETHOD(channel_setspeed, hdspechan_setspeed),
595 KOBJMETHOD(channel_setblocksize, hdspechan_setblocksize),
596 KOBJMETHOD(channel_trigger, hdspechan_trigger),
597 KOBJMETHOD(channel_getptr, hdspechan_getptr),
598 KOBJMETHOD(channel_getcaps, hdspechan_getcaps),
601 CHANNEL_DECLARE(hdspechan);
605 hdspe_pcm_probe(device_t dev)
609 device_printf(dev,"hdspe_pcm_probe()\n");
616 hdspe_pcm_intr(struct sc_pcminfo *scp) {
617 struct sc_chinfo *ch;
618 struct sc_info *sc = scp->sc;
621 for (i = 0; i < scp->chnum; i++) {
623 snd_mtxunlock(sc->lock);
624 chn_intr(ch->channel);
625 snd_mtxlock(sc->lock);
632 hdspe_pcm_attach(device_t dev)
634 struct sc_pcminfo *scp;
635 char status[SND_STATUSLEN];
639 scp = device_get_ivars(dev);
640 scp->ih = &hdspe_pcm_intr;
642 bzero(desc, sizeof(desc));
643 snprintf(desc, sizeof(desc), "HDSPe AIO [%s]", scp->hc->descr);
644 device_set_desc_copy(dev, desc);
647 * We don't register interrupt handler with snd_setup_intr
648 * in pcm device. Mark pcm device as MPSAFE manually.
650 pcm_setflags(dev, pcm_getflags(dev) | SD_F_MPSAFE);
652 err = pcm_register(dev, scp, scp->hc->play, scp->hc->rec);
654 device_printf(dev, "Can't register pcm.\n");
659 for (i = 0; i < scp->hc->play; i++) {
660 pcm_addchan(dev, PCMDIR_PLAY, &hdspechan_class, scp);
664 for (i = 0; i < scp->hc->rec; i++) {
665 pcm_addchan(dev, PCMDIR_REC, &hdspechan_class, scp);
669 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s",
670 rman_get_start(scp->sc->cs),
671 rman_get_start(scp->sc->irq),
672 PCM_KLDSTRING(snd_hdspe));
673 pcm_setstatus(dev, status);
675 mixer_init(dev, &hdspemixer_class, scp);
681 hdspe_pcm_detach(device_t dev)
685 err = pcm_unregister(dev);
687 device_printf(dev, "Can't unregister device.\n");
694 static device_method_t hdspe_pcm_methods[] = {
695 DEVMETHOD(device_probe, hdspe_pcm_probe),
696 DEVMETHOD(device_attach, hdspe_pcm_attach),
697 DEVMETHOD(device_detach, hdspe_pcm_detach),
701 static driver_t hdspe_pcm_driver = {
707 DRIVER_MODULE(snd_hdspe_pcm, hdspe, hdspe_pcm_driver, pcm_devclass, 0, 0);
708 MODULE_DEPEND(snd_hdspe, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
709 MODULE_VERSION(snd_hdspe, 1);