2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5 * Derived from the public domain Linux driver
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF
28 * $FreeBSD: src/sys/dev/sound/pci/neomagic.c,v 1.34.2.1 2005/12/30 19:55:53 netchild Exp $
29 * $DragonFly: src/sys/dev/sound/pci/neomagic.c,v 1.7 2007/01/04 21:47:02 corecode Exp $
32 #include <dev/sound/pcm/sound.h>
33 #include <dev/sound/pcm/ac97.h>
34 #include <dev/sound/pci/neomagic.h>
35 #include <dev/sound/pci/neomagic-coeff.h>
37 #include <bus/pci/pcireg.h>
38 #include <bus/pci/pcivar.h>
40 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/pci/neomagic.c,v 1.7 2007/01/04 21:47:02 corecode Exp $");
42 /* -------------------------------------------------------------------- */
44 #define NM_BUFFSIZE 16384
46 #define NM256AV_PCI_ID 0x800510c8
47 #define NM256ZX_PCI_ID 0x800610c8
51 /* channel registers */
53 int active, spd, dir, fmt;
54 u_int32_t blksize, wmark;
55 struct snd_dbuf *buffer;
56 struct pcm_channel *channel;
57 struct sc_info *parent;
60 /* device private data */
65 struct resource *reg, *irq, *buf;
66 int regid, irqid, bufid;
69 u_int32_t ac97_base, ac97_status, ac97_busy;
70 u_int32_t buftop, pbuf, rbuf, cbuf, acbuf;
71 u_int32_t playint, recint, misc1int, misc2int;
72 u_int32_t irsz, badintr;
74 struct sc_chinfo pch, rch;
77 /* -------------------------------------------------------------------- */
84 static int nm_loadcoeff(struct sc_info *sc, int dir, int num);
85 static int nm_setch(struct sc_chinfo *ch);
86 static int nm_init(struct sc_info *);
87 static void nm_intr(void *);
89 /* talk to the card */
90 static u_int32_t nm_rd(struct sc_info *, int, int);
91 static void nm_wr(struct sc_info *, int, u_int32_t, int);
92 static u_int32_t nm_rdbuf(struct sc_info *, int, int);
93 static void nm_wrbuf(struct sc_info *, int, u_int32_t, int);
95 static u_int32_t badcards[] = {
101 #define NUM_BADCARDS (sizeof(badcards) / sizeof(u_int32_t))
103 /* The actual rates supported by the card. */
104 static int samplerates[9] = {
116 /* -------------------------------------------------------------------- */
118 static u_int32_t nm_fmt[] = {
120 AFMT_STEREO | AFMT_U8,
122 AFMT_STEREO | AFMT_S16_LE,
125 static struct pcmchan_caps nm_caps = {4000, 48000, nm_fmt, 0};
127 /* -------------------------------------------------------------------- */
131 nm_rd(struct sc_info *sc, int regno, int size)
133 bus_space_tag_t st = rman_get_bustag(sc->reg);
134 bus_space_handle_t sh = rman_get_bushandle(sc->reg);
138 return bus_space_read_1(st, sh, regno);
140 return bus_space_read_2(st, sh, regno);
142 return bus_space_read_4(st, sh, regno);
149 nm_wr(struct sc_info *sc, int regno, u_int32_t data, int size)
151 bus_space_tag_t st = rman_get_bustag(sc->reg);
152 bus_space_handle_t sh = rman_get_bushandle(sc->reg);
156 bus_space_write_1(st, sh, regno, data);
159 bus_space_write_2(st, sh, regno, data);
162 bus_space_write_4(st, sh, regno, data);
168 nm_rdbuf(struct sc_info *sc, int regno, int size)
170 bus_space_tag_t st = rman_get_bustag(sc->buf);
171 bus_space_handle_t sh = rman_get_bushandle(sc->buf);
175 return bus_space_read_1(st, sh, regno);
177 return bus_space_read_2(st, sh, regno);
179 return bus_space_read_4(st, sh, regno);
186 nm_wrbuf(struct sc_info *sc, int regno, u_int32_t data, int size)
188 bus_space_tag_t st = rman_get_bustag(sc->buf);
189 bus_space_handle_t sh = rman_get_bushandle(sc->buf);
193 bus_space_write_1(st, sh, regno, data);
196 bus_space_write_2(st, sh, regno, data);
199 bus_space_write_4(st, sh, regno, data);
204 /* -------------------------------------------------------------------- */
207 nm_waitcd(struct sc_info *sc)
213 if (nm_rd(sc, sc->ac97_status, 2) & sc->ac97_busy) {
224 nm_initcd(kobj_t obj, void *devinfo)
226 struct sc_info *sc = (struct sc_info *)devinfo;
228 nm_wr(sc, 0x6c0, 0x01, 1);
231 * The following code-line may cause a hang for some chipsets, see
233 * In case of a bugreport without this line have a look at the PR and
234 * conditionize the code-line based upon the specific version of
237 nm_wr(sc, 0x6cc, 0x87, 1);
239 nm_wr(sc, 0x6cc, 0x80, 1);
240 nm_wr(sc, 0x6cc, 0x00, 1);
245 nm_rdcd(kobj_t obj, void *devinfo, int regno)
247 struct sc_info *sc = (struct sc_info *)devinfo;
250 if (!nm_waitcd(sc)) {
251 x = nm_rd(sc, sc->ac97_base + regno, 2);
255 device_printf(sc->dev, "ac97 codec not ready\n");
261 nm_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
263 struct sc_info *sc = (struct sc_info *)devinfo;
266 if (!nm_waitcd(sc)) {
268 nm_wr(sc, sc->ac97_base + regno, data, 2);
269 if (!nm_waitcd(sc)) {
275 device_printf(sc->dev, "ac97 codec not ready\n");
279 static kobj_method_t nm_ac97_methods[] = {
280 KOBJMETHOD(ac97_init, nm_initcd),
281 KOBJMETHOD(ac97_read, nm_rdcd),
282 KOBJMETHOD(ac97_write, nm_wrcd),
285 AC97_DECLARE(nm_ac97);
287 /* -------------------------------------------------------------------- */
290 nm_ackint(struct sc_info *sc, u_int32_t num)
292 if (sc->type == NM256AV_PCI_ID) {
293 nm_wr(sc, NM_INT_REG, num << 1, 2);
294 } else if (sc->type == NM256ZX_PCI_ID) {
295 nm_wr(sc, NM_INT_REG, num, 4);
300 nm_loadcoeff(struct sc_info *sc, int dir, int num)
305 addr = (dir == PCMDIR_PLAY)? 0x01c : 0x21c;
306 if (dir == PCMDIR_REC)
308 sz = coefficientSizes[num];
311 ofs+= coefficientSizes[num];
312 for (i = 0; i < sz; i++)
313 nm_wrbuf(sc, sc->cbuf + i, coefficients[ofs + i], 1);
314 nm_wr(sc, addr, sc->cbuf, 4);
315 if (dir == PCMDIR_PLAY)
317 nm_wr(sc, addr + 4, sc->cbuf + sz, 4);
322 nm_setch(struct sc_chinfo *ch)
324 struct sc_info *sc = ch->parent;
328 for (x = 0; x < 8; x++)
329 if (ch->spd < (samplerates[x] + samplerates[x + 1]) / 2)
332 if (x == 8) return 1;
334 ch->spd = samplerates[x];
335 nm_loadcoeff(sc, ch->dir, x);
339 if (ch->fmt & AFMT_16BIT) x |= NM_RATE_BITS_16;
340 if (ch->fmt & AFMT_STEREO) x |= NM_RATE_STEREO;
342 base = (ch->dir == PCMDIR_PLAY)? NM_PLAYBACK_REG_OFFSET : NM_RECORD_REG_OFFSET;
343 nm_wr(sc, base + NM_RATE_REG_OFFSET, x, 1);
347 /* channel interface */
349 nmchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
351 struct sc_info *sc = devinfo;
352 struct sc_chinfo *ch;
355 chnbuf = (dir == PCMDIR_PLAY)? sc->pbuf : sc->rbuf;
356 ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch;
361 sndbuf_setup(ch->buffer, (u_int8_t *)rman_get_virtual(sc->buf) + chnbuf, NM_BUFFSIZE);
363 device_printf(sc->dev, "%s buf %p\n", (dir == PCMDIR_PLAY)?
364 "play" : "rec", sndbuf_getbuf(ch->buffer));
372 nmchan_free(kobj_t obj, void *data)
378 nmchan_setformat(kobj_t obj, void *data, u_int32_t format)
380 struct sc_chinfo *ch = data;
387 nmchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
389 struct sc_chinfo *ch = data;
392 return nm_setch(ch)? 0 : ch->spd;
396 nmchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
398 struct sc_chinfo *ch = data;
400 ch->blksize = blocksize;
406 nmchan_trigger(kobj_t obj, void *data, int go)
408 struct sc_chinfo *ch = data;
409 struct sc_info *sc = ch->parent;
412 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
415 ssz = (ch->fmt & AFMT_16BIT)? 2 : 1;
416 if (ch->fmt & AFMT_STEREO)
419 if (ch->dir == PCMDIR_PLAY) {
420 if (go == PCMTRIG_START) {
422 ch->wmark = ch->blksize;
423 nm_wr(sc, NM_PBUFFER_START, sc->pbuf, 4);
424 nm_wr(sc, NM_PBUFFER_END, sc->pbuf + NM_BUFFSIZE - ssz, 4);
425 nm_wr(sc, NM_PBUFFER_CURRP, sc->pbuf, 4);
426 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + ch->wmark, 4);
427 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN |
428 NM_PLAYBACK_ENABLE_FLAG, 1);
429 nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2);
432 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1);
433 nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2);
436 if (go == PCMTRIG_START) {
438 ch->wmark = ch->blksize;
439 nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN |
440 NM_RECORD_ENABLE_FLAG, 1);
441 nm_wr(sc, NM_RBUFFER_START, sc->rbuf, 4);
442 nm_wr(sc, NM_RBUFFER_END, sc->rbuf + NM_BUFFSIZE, 4);
443 nm_wr(sc, NM_RBUFFER_CURRP, sc->rbuf, 4);
444 nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + ch->wmark, 4);
447 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1);
454 nmchan_getptr(kobj_t obj, void *data)
456 struct sc_chinfo *ch = data;
457 struct sc_info *sc = ch->parent;
459 if (ch->dir == PCMDIR_PLAY)
460 return nm_rd(sc, NM_PBUFFER_CURRP, 4) - sc->pbuf;
462 return nm_rd(sc, NM_RBUFFER_CURRP, 4) - sc->rbuf;
465 static struct pcmchan_caps *
466 nmchan_getcaps(kobj_t obj, void *data)
471 static kobj_method_t nmchan_methods[] = {
472 KOBJMETHOD(channel_init, nmchan_init),
473 KOBJMETHOD(channel_free, nmchan_free),
474 KOBJMETHOD(channel_setformat, nmchan_setformat),
475 KOBJMETHOD(channel_setspeed, nmchan_setspeed),
476 KOBJMETHOD(channel_setblocksize, nmchan_setblocksize),
477 KOBJMETHOD(channel_trigger, nmchan_trigger),
478 KOBJMETHOD(channel_getptr, nmchan_getptr),
479 KOBJMETHOD(channel_getcaps, nmchan_getcaps),
482 CHANNEL_DECLARE(nmchan);
484 /* The interrupt handler */
488 struct sc_info *sc = (struct sc_info *)p;
491 status = nm_rd(sc, NM_INT_REG, sc->irsz);
495 if (status & sc->playint) {
496 status &= ~sc->playint;
497 sc->pch.wmark += sc->pch.blksize;
498 sc->pch.wmark %= NM_BUFFSIZE;
499 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pch.wmark, 4);
501 nm_ackint(sc, sc->playint);
502 chn_intr(sc->pch.channel);
504 if (status & sc->recint) {
505 status &= ~sc->recint;
506 sc->rch.wmark += sc->rch.blksize;
507 sc->rch.wmark %= NM_BUFFSIZE;
508 nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + sc->rch.wmark, 4);
510 nm_ackint(sc, sc->recint);
511 chn_intr(sc->rch.channel);
513 if (status & sc->misc1int) {
514 status &= ~sc->misc1int;
515 nm_ackint(sc, sc->misc1int);
516 x = nm_rd(sc, 0x400, 1);
517 nm_wr(sc, 0x400, x | 2, 1);
518 device_printf(sc->dev, "misc int 1\n");
520 if (status & sc->misc2int) {
521 status &= ~sc->misc2int;
522 nm_ackint(sc, sc->misc2int);
523 x = nm_rd(sc, 0x400, 1);
524 nm_wr(sc, 0x400, x & ~2, 1);
525 device_printf(sc->dev, "misc int 2\n");
528 nm_ackint(sc, status);
529 device_printf(sc->dev, "unknown int\n");
533 /* -------------------------------------------------------------------- */
536 * Probe and attach the card
540 nm_init(struct sc_info *sc)
544 if (sc->type == NM256AV_PCI_ID) {
545 sc->ac97_base = NM_MIXER_OFFSET;
546 sc->ac97_status = NM_MIXER_STATUS_OFFSET;
547 sc->ac97_busy = NM_MIXER_READY_MASK;
549 sc->buftop = 2560 * 1024;
552 sc->playint = NM_PLAYBACK_INT;
553 sc->recint = NM_RECORD_INT;
554 sc->misc1int = NM_MISC_INT_1;
555 sc->misc2int = NM_MISC_INT_2;
556 } else if (sc->type == NM256ZX_PCI_ID) {
557 sc->ac97_base = NM_MIXER_OFFSET;
558 sc->ac97_status = NM2_MIXER_STATUS_OFFSET;
559 sc->ac97_busy = NM2_MIXER_READY_MASK;
561 sc->buftop = (nm_rd(sc, 0xa0b, 2)? 6144 : 4096) * 1024;
564 sc->playint = NM2_PLAYBACK_INT;
565 sc->recint = NM2_RECORD_INT;
566 sc->misc1int = NM2_MISC_INT_1;
567 sc->misc2int = NM2_MISC_INT_2;
570 ofs = sc->buftop - 0x0400;
571 sc->buftop -= 0x1400;
574 device_printf(sc->dev, "buftop is 0x%08x\n", sc->buftop);
575 if ((nm_rdbuf(sc, ofs, 4) & NM_SIG_MASK) == NM_SIGNATURE) {
576 i = nm_rdbuf(sc, ofs + 4, 4);
577 if (i != 0 && i != 0xffffffff) {
579 device_printf(sc->dev, "buftop is changed to 0x%08x\n", i);
584 sc->cbuf = sc->buftop - NM_MAX_COEFFICIENT;
585 sc->rbuf = sc->cbuf - NM_BUFFSIZE;
586 sc->pbuf = sc->rbuf - NM_BUFFSIZE;
587 sc->acbuf = sc->pbuf - (NM_TOTAL_COEFF_COUNT * 4);
589 nm_wr(sc, 0, 0x11, 1);
590 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1);
591 nm_wr(sc, 0x214, 0, 2);
597 nm_pci_probe(device_t dev)
599 struct sc_info *sc = NULL;
601 u_int32_t subdev, i, data;
603 subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
604 switch (pci_get_devid(dev)) {
607 while ((i < NUM_BADCARDS) && (badcards[i] != subdev))
610 /* Try to catch other non-ac97 cards */
612 if (i == NUM_BADCARDS) {
613 if (!(sc = kmalloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO))) {
614 device_printf(dev, "cannot allocate softc\n");
618 data = pci_read_config(dev, PCIR_COMMAND, 2);
619 pci_write_config(dev, PCIR_COMMAND, data |
620 PCIM_CMD_PORTEN | PCIM_CMD_MEMEN |
621 PCIM_CMD_BUSMASTEREN, 2);
623 sc->regid = PCIR_BAR(1);
624 sc->reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
629 device_printf(dev, "unable to map register space\n");
630 pci_write_config(dev, PCIR_COMMAND, data, 2);
636 * My Panasonic CF-M2EV needs resetting device
637 * before checking mixer is present or not.
638 * t.ichinoseki@nifty.com.
640 nm_wr(sc, 0, 0x11, 1); /* reset device */
641 if ((nm_rd(sc, NM_MIXER_PRESENCE, 2) &
642 NM_PRESENCE_MASK) != NM_PRESENCE_VALUE) {
643 i = 0; /* non-ac97 card, but not listed */
644 DEB(device_printf(dev, "subdev = 0x%x - badcard?\n",
647 pci_write_config(dev, PCIR_COMMAND, data, 2);
648 bus_release_resource(dev, SYS_RES_MEMORY, sc->regid,
653 if (i == NUM_BADCARDS)
654 s = "NeoMagic 256AV";
656 DEB(device_printf(dev, "this is a non-ac97 NM256AV, not attaching\n"));
661 s = "NeoMagic 256ZX";
665 if (s) device_set_desc(dev, s);
670 nm_pci_attach(device_t dev)
674 struct ac97_info *codec = 0;
675 char status[SND_STATUSLEN];
677 if ((sc = kmalloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
678 device_printf(dev, "cannot allocate softc\n");
683 sc->type = pci_get_devid(dev);
685 data = pci_read_config(dev, PCIR_COMMAND, 2);
686 data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
687 pci_write_config(dev, PCIR_COMMAND, data, 2);
688 data = pci_read_config(dev, PCIR_COMMAND, 2);
690 sc->bufid = PCIR_BAR(0);
691 sc->buf = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->bufid,
693 sc->regid = PCIR_BAR(1);
694 sc->reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->regid,
697 if (!sc->buf || !sc->reg) {
698 device_printf(dev, "unable to map register space\n");
702 if (nm_init(sc) == -1) {
703 device_printf(dev, "unable to initialize the card\n");
707 codec = AC97_CREATE(dev, sc, nm_ac97);
708 if (codec == NULL) goto bad;
709 if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad;
712 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
713 RF_ACTIVE | RF_SHAREABLE);
714 if (!sc->irq || snd_setup_intr(dev, sc->irq, 0, nm_intr, sc, &sc->ih)) {
715 device_printf(dev, "unable to map interrupt\n");
719 ksnprintf(status, SND_STATUSLEN, "at memory 0x%lx, 0x%lx irq %ld %s",
720 rman_get_start(sc->buf), rman_get_start(sc->reg),
721 rman_get_start(sc->irq),PCM_KLDSTRING(snd_neomagic));
723 if (pcm_register(dev, sc, 1, 1)) goto bad;
724 pcm_addchan(dev, PCMDIR_REC, &nmchan_class, sc);
725 pcm_addchan(dev, PCMDIR_PLAY, &nmchan_class, sc);
726 pcm_setstatus(dev, status);
731 if (codec) ac97_destroy(codec);
732 if (sc->buf) bus_release_resource(dev, SYS_RES_MEMORY, sc->bufid, sc->buf);
733 if (sc->reg) bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
734 if (sc->ih) bus_teardown_intr(dev, sc->irq, sc->ih);
735 if (sc->irq) bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
741 nm_pci_detach(device_t dev)
746 r = pcm_unregister(dev);
750 sc = pcm_getdevinfo(dev);
751 bus_release_resource(dev, SYS_RES_MEMORY, sc->bufid, sc->buf);
752 bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
753 bus_teardown_intr(dev, sc->irq, sc->ih);
754 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
761 nm_pci_suspend(device_t dev)
765 sc = pcm_getdevinfo(dev);
768 if (sc->pch.active) {
769 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1);
770 nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2);
773 if (sc->rch.active) {
774 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1);
780 nm_pci_resume(device_t dev)
784 sc = pcm_getdevinfo(dev);
787 * Reinit audio device.
788 * Don't call nm_init(). It would change buftop if X ran or
789 * is running. This makes playing and recording buffer address
790 * shift but these buffers of channel layer are not changed.
791 * As a result of this inconsistency, periodic noise will be
792 * generated while playing.
794 nm_wr(sc, 0, 0x11, 1);
795 nm_wr(sc, 0x214, 0, 2);
798 if (mixer_reinit(dev) == -1) {
799 device_printf(dev, "unable to reinitialize the mixer\n");
802 /* restart playing */
803 if (sc->pch.active) {
804 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN |
805 NM_PLAYBACK_ENABLE_FLAG, 1);
806 nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2);
808 /* restart recording */
809 if (sc->rch.active) {
810 nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN |
811 NM_RECORD_ENABLE_FLAG, 1);
816 static device_method_t nm_methods[] = {
817 /* Device interface */
818 DEVMETHOD(device_probe, nm_pci_probe),
819 DEVMETHOD(device_attach, nm_pci_attach),
820 DEVMETHOD(device_detach, nm_pci_detach),
821 DEVMETHOD(device_suspend, nm_pci_suspend),
822 DEVMETHOD(device_resume, nm_pci_resume),
826 static driver_t nm_driver = {
832 DRIVER_MODULE(snd_neomagic, pci, nm_driver, pcm_devclass, 0, 0);
833 MODULE_DEPEND(snd_neomagic, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
834 MODULE_VERSION(snd_neomagic, 1);