2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
3 * Copyright 1997,1998 Luigi Rizzo.
5 * Derived from files in the Voxware 3.5 distribution,
6 * Copyright by Hannu Savolainen 1994, under the same copyright
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <dev/sound/pcm/sound.h>
34 #include <dev/sound/isa/sb.h>
35 #include <dev/sound/chip.h>
37 #include <isa/isavar.h>
41 SND_DECLARE_FILE("$FreeBSD$");
43 #define SB16_BUFFSIZE 4096
44 #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
46 static u_int32_t sb16_fmt8[] = {
48 AFMT_STEREO | AFMT_U8,
51 static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
53 static u_int32_t sb16_fmt16[] = {
55 AFMT_STEREO | AFMT_S16_LE,
58 static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
60 static u_int32_t sb16x_fmt[] = {
62 AFMT_STEREO | AFMT_U8,
64 AFMT_STEREO | AFMT_S16_LE,
67 static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
72 struct sb_info *parent;
73 struct pcm_channel *channel;
74 struct snd_dbuf *buffer;
76 u_int32_t fmt, spd, blksz;
80 struct resource *io_base; /* I/O address for the board */
82 struct resource *drq1;
83 struct resource *drq2;
85 bus_dma_tag_t parent_dmat;
89 u_long bd_flags; /* board-specific flags */
91 struct sb_chinfo pch, rch;
96 static void sb_lock(struct sb_info *sb);
97 static void sb_unlock(struct sb_info *sb);
98 static int sb_rd(struct sb_info *sb, int reg);
99 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
100 static int sb_cmd(struct sb_info *sb, u_char val);
101 /* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */
102 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
103 static u_int sb_get_byte(struct sb_info *sb);
104 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
105 static int sb_getmixer(struct sb_info *sb, u_int port);
106 static int sb_reset_dsp(struct sb_info *sb);
108 static void sb_intr(void *arg);
112 * Common code for the midi and pcm functions
114 * sb_cmd write a single byte to the CMD port.
115 * sb_cmd1 write a CMD + 1 byte arg
116 * sb_cmd2 write a CMD + 2 byte arg
117 * sb_get_byte returns a single byte from the DSP data port
121 sb_lock(struct sb_info *sb) {
123 sbc_lock(device_get_softc(sb->parent_dev));
127 sb_lockassert(struct sb_info *sb) {
129 sbc_lockassert(device_get_softc(sb->parent_dev));
133 sb_unlock(struct sb_info *sb) {
135 sbc_unlock(device_get_softc(sb->parent_dev));
139 port_rd(struct resource *port, int off)
141 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
145 port_wr(struct resource *port, int off, u_int8_t data)
147 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
151 sb_rd(struct sb_info *sb, int reg)
153 return port_rd(sb->io_base, reg);
157 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
159 port_wr(sb->io_base, reg, val);
163 sb_dspwr(struct sb_info *sb, u_char val)
167 for (i = 0; i < 1000; i++) {
168 if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
169 DELAY((i > 100)? 1000 : 10);
171 sb_wr(sb, SBDSP_CMD, val);
175 #if __FreeBSD_version > 500000
176 if (curthread->td_intr_nesting_level == 0)
177 printf("sb_dspwr(0x%02x) timed out.\n", val);
183 sb_cmd(struct sb_info *sb, u_char val)
186 printf("sb_cmd: %x\n", val);
188 return sb_dspwr(sb, val);
193 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
196 printf("sb_cmd1: %x, %x\n", cmd, val);
198 if (sb_dspwr(sb, cmd)) {
199 return sb_dspwr(sb, val & 0xff);
205 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
210 printf("sb_cmd2: %x, %x\n", cmd, val);
214 if (sb_dspwr(sb, cmd)) {
215 if (sb_dspwr(sb, val & 0xff)) {
216 if (sb_dspwr(sb, (val >> 8) & 0xff)) {
226 * in the SB, there is a set of indirect "mixer" registers with
227 * address at offset 4, data at offset 5
230 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
233 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
235 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
241 sb_getmixer(struct sb_info *sb, u_int port)
246 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
248 val = sb_rd(sb, SB_MIX_DATA);
255 sb_get_byte(struct sb_info *sb)
259 for (i = 1000; i > 0; i--) {
260 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
261 return sb_rd(sb, DSP_READ);
269 sb_reset_dsp(struct sb_info *sb)
274 sb_wr(sb, SBDSP_RST, 3);
276 sb_wr(sb, SBDSP_RST, 0);
279 DEB(printf("sb_reset_dsp 0x%lx failed\n",
280 rman_get_start(sb->io_base)));
281 return ENXIO; /* Sorry */
286 /************************************************************/
295 static const struct sb16_mixent sb16_mixtab[32] = {
296 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
297 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
298 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
299 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
300 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
301 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
302 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
303 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
304 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
305 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
306 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
307 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 }
311 sb16mix_init(struct snd_mixer *m)
313 struct sb_info *sb = mix_getdevinfo(m);
315 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
316 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
317 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 |
318 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
320 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
321 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD);
323 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
325 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
326 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
332 rel2abs_volume(int x, int max)
336 temp = ((x * max) + 50) / 100;
345 sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
347 struct sb_info *sb = mix_getdevinfo(m);
348 const struct sb16_mixent *e;
351 e = &sb16_mixtab[dev];
352 max = (1 << e->bits) - 1;
354 left = rel2abs_volume(left, max);
355 right = rel2abs_volume(right, max);
357 sb_setmixer(sb, e->reg, left << e->ofs);
359 sb_setmixer(sb, e->reg + 1, right << e->ofs);
363 left = (left * 100) / max;
364 right = (right * 100) / max;
366 return left | (right << 8);
370 sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
372 struct sb_info *sb = mix_getdevinfo(m);
376 if (src & SOUND_MASK_MIC)
377 recdev |= 0x01; /* mono mic */
379 if (src & SOUND_MASK_CD)
380 recdev |= 0x06; /* l+r cd */
382 if (src & SOUND_MASK_LINE)
383 recdev |= 0x18; /* l+r line */
385 if (src & SOUND_MASK_SYNTH)
386 recdev |= 0x60; /* l+r midi */
388 sb_setmixer(sb, SB16_IMASK_L, recdev);
389 sb_setmixer(sb, SB16_IMASK_R, recdev);
391 /* Switch on/off FM tuner source */
392 if (src & SOUND_MASK_LINE1)
393 sb_setmixer(sb, 0x4a, 0x0c);
395 sb_setmixer(sb, 0x4a, 0x00);
398 * since the same volume controls apply to the input and
399 * output sections, the best approach to have a consistent
400 * behaviour among cards would be to disable the output path
401 * on devices which are used to record.
402 * However, since users like to have feedback, we only disable
403 * the mic -- permanently.
405 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
410 static kobj_method_t sb16mix_mixer_methods[] = {
411 KOBJMETHOD(mixer_init, sb16mix_init),
412 KOBJMETHOD(mixer_set, sb16mix_set),
413 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
416 MIXER_DECLARE(sb16mix_mixer);
418 /************************************************************/
421 sb16_release_resources(struct sb_info *sb, device_t dev)
425 bus_teardown_intr(dev, sb->irq, sb->ih);
426 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
430 if (sb->drq2 != sb->drq1) {
431 isa_dma_release(rman_get_start(sb->drq2));
432 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
437 isa_dma_release(rman_get_start(sb->drq1));
438 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
442 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
445 if (sb->parent_dmat) {
446 bus_dma_tag_destroy(sb->parent_dmat);
453 sb16_alloc_resources(struct sb_info *sb, device_t dev)
459 sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
464 sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
469 sb->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
474 sb->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
477 if (sb->io_base && sb->drq1 && sb->irq) {
478 isa_dma_acquire(rman_get_start(sb->drq1));
479 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize);
482 isa_dma_acquire(rman_get_start(sb->drq2));
483 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize);
486 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
492 /* sbc does locking for us */
496 struct sb_info *sb = (struct sb_info *)arg;
500 * The Vibra16X has separate flags for 8 and 16 bit transfers, but
501 * I have no idea how to tell capture from playback interrupts...
506 c = sb_getmixer(sb, IRQ_STAT);
508 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
511 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
515 * this tells us if the source is 8-bit or 16-bit dma. We
516 * have to check the io channel to map it to read or write...
519 if (sb->bd_flags & BD_F_SB16X) {
520 if (c & 1) { /* 8-bit format */
521 if (sb->pch.fmt & AFMT_8BIT)
523 if (sb->rch.fmt & AFMT_8BIT)
526 if (c & 2) { /* 16-bit format */
527 if (sb->pch.fmt & AFMT_16BIT)
529 if (sb->rch.fmt & AFMT_16BIT)
533 if (c & 1) { /* 8-bit dma */
534 if (sb->pch.dch == 1)
536 if (sb->rch.dch == 1)
539 if (c & 2) { /* 16-bit dma */
540 if (sb->pch.dch == 2)
542 if (sb->rch.dch == 2)
547 printf("sb_intr: reason=%d c=0x%x\n", reason, c);
549 if ((reason & 1) && (sb->pch.run))
550 chn_intr(sb->pch.channel);
552 if ((reason & 2) && (sb->rch.run))
553 chn_intr(sb->rch.channel);
557 sb_setup(struct sb_info *sb)
559 struct sb_chinfo *ch;
564 if (sb->bd_flags & BD_F_DMARUN)
565 sndbuf_dma(sb->pch.buffer, PCMTRIG_STOP);
566 if (sb->bd_flags & BD_F_DMARUN2)
567 sndbuf_dma(sb->rch.buffer, PCMTRIG_STOP);
568 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
572 if (sb->bd_flags & BD_F_SB16X) {
573 pprio = sb->pch.run? 1 : 0;
574 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL);
575 sb->pch.dch = pprio? 1 : 0;
576 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
577 sb->rch.dch = pprio? 2 : 1;
579 if (sb->pch.run && sb->rch.run) {
580 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
581 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
582 sb->pch.dch = pprio? 2 : 1;
583 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
584 sb->rch.dch = pprio? 1 : 2;
587 sndbuf_dmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
588 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
589 sndbuf_dmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
590 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
591 } else if (sb->rch.run) {
592 sndbuf_dmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
593 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
594 sndbuf_dmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
595 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
600 sndbuf_dmasetdir(sb->pch.buffer, PCMDIR_PLAY);
601 sndbuf_dmasetdir(sb->rch.buffer, PCMDIR_REC);
604 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
605 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
611 if (ch->fmt & AFMT_16BIT)
616 RANGE(ch->spd, 5000, 45000);
617 sb_cmd(sb, DSP_CMD_OUT16);
618 sb_cmd(sb, ch->spd >> 8);
619 sb_cmd(sb, ch->spd & 0xff);
621 /* play format, length */
622 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
623 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
626 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
627 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
629 sndbuf_dma(ch->buffer, PCMTRIG_START);
630 sb->bd_flags |= BD_F_DMARUN;
636 if (ch->fmt & AFMT_16BIT)
641 RANGE(ch->spd, 5000, 45000);
642 sb_cmd(sb, DSP_CMD_IN16);
643 sb_cmd(sb, ch->spd >> 8);
644 sb_cmd(sb, ch->spd & 0xff);
646 /* record format, length */
647 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
648 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
651 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
652 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
654 sndbuf_dma(ch->buffer, PCMTRIG_START);
655 sb->bd_flags |= BD_F_DMARUN2;
662 /* channel interface */
664 sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
666 struct sb_info *sb = devinfo;
667 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
674 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) != 0)
681 sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
683 struct sb_chinfo *ch = data;
684 struct sb_info *sb = ch->parent;
688 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
694 sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
696 struct sb_chinfo *ch = data;
703 sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
705 struct sb_chinfo *ch = data;
707 ch->blksz = blocksize;
712 sb16chan_trigger(kobj_t obj, void *data, int go)
714 struct sb_chinfo *ch = data;
715 struct sb_info *sb = ch->parent;
717 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
720 if (go == PCMTRIG_START)
731 sb16chan_getptr(kobj_t obj, void *data)
733 struct sb_chinfo *ch = data;
735 return sndbuf_dmaptr(ch->buffer);
738 static struct pcmchan_caps *
739 sb16chan_getcaps(kobj_t obj, void *data)
741 struct sb_chinfo *ch = data;
742 struct sb_info *sb = ch->parent;
744 if ((sb->prio == 0) || (sb->prio == ch->dir))
747 return sb->prio16? &sb16_caps8 : &sb16_caps16;
751 sb16chan_resetdone(kobj_t obj, void *data)
753 struct sb_chinfo *ch = data;
754 struct sb_info *sb = ch->parent;
761 static kobj_method_t sb16chan_methods[] = {
762 KOBJMETHOD(channel_init, sb16chan_init),
763 KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
764 KOBJMETHOD(channel_setformat, sb16chan_setformat),
765 KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
766 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
767 KOBJMETHOD(channel_trigger, sb16chan_trigger),
768 KOBJMETHOD(channel_getptr, sb16chan_getptr),
769 KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
772 CHANNEL_DECLARE(sb16chan);
774 /************************************************************/
777 sb16_probe(device_t dev)
780 uintptr_t func, ver, r, f;
782 /* The parent device has already been probed. */
783 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
787 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
788 f = (ver & 0xffff0000) >> 16;
791 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
792 (f & BD_F_SB16X)? " (ViBRA16X)" : "");
793 device_set_desc_copy(dev, buf);
800 sb16_attach(device_t dev)
804 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
806 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT | M_ZERO);
810 sb->parent_dev = device_get_parent(dev);
811 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver);
812 sb->bd_id = ver & 0x0000ffff;
813 sb->bd_flags = (ver & 0xffff0000) >> 16;
814 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536);
816 if (sb16_alloc_resources(sb, dev))
819 if (sb_reset_dsp(sb)) {
824 if (mixer_init(dev, &sb16mix_mixer_class, sb))
826 if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih))
829 if (sb->bd_flags & BD_F_SB16X)
830 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
834 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
835 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
836 /*highaddr*/BUS_SPACE_MAXADDR,
837 /*filter*/NULL, /*filterarg*/NULL,
838 /*maxsize*/sb->bufsize, /*nsegments*/1,
839 /*maxsegz*/0x3ffff, /*flags*/0,
840 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
841 &sb->parent_dmat) != 0) {
842 device_printf(dev, "unable to create dma tag\n");
846 if (!(pcm_getflags(dev) & SD_F_SIMPLEX))
847 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2));
851 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %ud %s",
852 rman_get_start(sb->io_base), rman_get_start(sb->irq),
853 rman_get_start(sb->drq1), status2, sb->bufsize,
854 PCM_KLDSTRING(snd_sb16));
856 if (pcm_register(dev, sb, 1, 1))
858 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
859 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
861 pcm_setstatus(dev, status);
866 sb16_release_resources(sb, dev);
871 sb16_detach(device_t dev)
876 r = pcm_unregister(dev);
880 sb = pcm_getdevinfo(dev);
881 sb16_release_resources(sb, dev);
885 static device_method_t sb16_methods[] = {
886 /* Device interface */
887 DEVMETHOD(device_probe, sb16_probe),
888 DEVMETHOD(device_attach, sb16_attach),
889 DEVMETHOD(device_detach, sb16_detach),
894 static driver_t sb16_driver = {
900 DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0);
901 MODULE_DEPEND(snd_sb16, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
902 MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1);
903 MODULE_VERSION(snd_sb16, 1);