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
31 * $FreeBSD: src/sys/dev/sound/isa/sb16.c,v 1.90.2.1 2005/12/30 19:55:53 netchild Exp $
32 * $DragonFly: src/sys/dev/sound/isa/sb16.c,v 1.8 2007/01/04 21:47:02 corecode Exp $
35 #include <dev/sound/pcm/sound.h>
37 #include <dev/sound/isa/sb.h>
38 #include <dev/sound/chip.h>
40 #include <bus/isa/isavar.h>
44 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/isa/sb16.c,v 1.8 2007/01/04 21:47:02 corecode Exp $");
46 #define SB16_BUFFSIZE 4096
47 #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
49 static u_int32_t sb16_fmt8[] = {
51 AFMT_STEREO | AFMT_U8,
54 static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
56 static u_int32_t sb16_fmt16[] = {
58 AFMT_STEREO | AFMT_S16_LE,
61 static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
63 static u_int32_t sb16x_fmt[] = {
65 AFMT_STEREO | AFMT_U8,
67 AFMT_STEREO | AFMT_S16_LE,
70 static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
75 struct sb_info *parent;
76 struct pcm_channel *channel;
77 struct snd_dbuf *buffer;
79 u_int32_t fmt, spd, blksz;
83 struct resource *io_base; /* I/O address for the board */
85 struct resource *drq1;
86 struct resource *drq2;
88 bus_dma_tag_t parent_dmat;
92 u_long bd_flags; /* board-specific flags */
94 struct sb_chinfo pch, rch;
99 static void sb_lock(struct sb_info *sb);
100 static void sb_unlock(struct sb_info *sb);
101 static int sb_rd(struct sb_info *sb, int reg);
102 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
103 static int sb_cmd(struct sb_info *sb, u_char val);
104 /* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */
105 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
106 static u_int sb_get_byte(struct sb_info *sb);
107 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
108 static int sb_getmixer(struct sb_info *sb, u_int port);
109 static int sb_reset_dsp(struct sb_info *sb);
111 static void sb_intr(void *arg);
115 * Common code for the midi and pcm functions
117 * sb_cmd write a single byte to the CMD port.
118 * sb_cmd1 write a CMD + 1 byte arg
119 * sb_cmd2 write a CMD + 2 byte arg
120 * sb_get_byte returns a single byte from the DSP data port
124 sb_lock(struct sb_info *sb) {
126 sbc_lock(device_get_softc(sb->parent_dev));
130 sb_lockassert(struct sb_info *sb) {
132 sbc_lockassert(device_get_softc(sb->parent_dev));
136 sb_unlock(struct sb_info *sb) {
138 sbc_unlock(device_get_softc(sb->parent_dev));
142 port_rd(struct resource *port, int off)
144 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
148 port_wr(struct resource *port, int off, u_int8_t data)
150 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
154 sb_rd(struct sb_info *sb, int reg)
156 return port_rd(sb->io_base, reg);
160 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
162 port_wr(sb->io_base, reg, val);
166 sb_dspwr(struct sb_info *sb, u_char val)
170 for (i = 0; i < 1000; i++) {
171 if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
172 DELAY((i > 100)? 1000 : 10);
174 sb_wr(sb, SBDSP_CMD, val);
178 #if __FreeBSD_version > 500000
179 if (curthread->td_intr_nesting_level == 0)
180 kprintf("sb_dspwr(0x%02x) timed out.\n", val);
186 sb_cmd(struct sb_info *sb, u_char val)
189 kprintf("sb_cmd: %x\n", val);
191 return sb_dspwr(sb, val);
196 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
199 kprintf("sb_cmd1: %x, %x\n", cmd, val);
201 if (sb_dspwr(sb, cmd)) {
202 return sb_dspwr(sb, val & 0xff);
208 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
213 kprintf("sb_cmd2: %x, %x\n", cmd, val);
217 if (sb_dspwr(sb, cmd)) {
218 if (sb_dspwr(sb, val & 0xff)) {
219 if (sb_dspwr(sb, (val >> 8) & 0xff)) {
229 * in the SB, there is a set of indirect "mixer" registers with
230 * address at offset 4, data at offset 5
233 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
236 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
238 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
244 sb_getmixer(struct sb_info *sb, u_int port)
249 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
251 val = sb_rd(sb, SB_MIX_DATA);
258 sb_get_byte(struct sb_info *sb)
262 for (i = 1000; i > 0; i--) {
263 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
264 return sb_rd(sb, DSP_READ);
272 sb_reset_dsp(struct sb_info *sb)
277 sb_wr(sb, SBDSP_RST, 3);
279 sb_wr(sb, SBDSP_RST, 0);
282 DEB(kprintf("sb_reset_dsp 0x%lx failed\n",
283 rman_get_start(sb->io_base)));
284 return ENXIO; /* Sorry */
289 /************************************************************/
298 static const struct sb16_mixent sb16_mixtab[32] = {
299 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
300 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
301 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
302 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
303 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
304 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
305 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
306 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
307 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
308 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
309 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
310 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 }
314 sb16mix_init(struct snd_mixer *m)
316 struct sb_info *sb = mix_getdevinfo(m);
318 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
319 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
320 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 |
321 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
323 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
324 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD);
326 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
328 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
329 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
335 rel2abs_volume(int x, int max)
339 temp = ((x * max) + 50) / 100;
348 sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
350 struct sb_info *sb = mix_getdevinfo(m);
351 const struct sb16_mixent *e;
354 e = &sb16_mixtab[dev];
355 max = (1 << e->bits) - 1;
357 left = rel2abs_volume(left, max);
358 right = rel2abs_volume(right, max);
360 sb_setmixer(sb, e->reg, left << e->ofs);
362 sb_setmixer(sb, e->reg + 1, right << e->ofs);
366 left = (left * 100) / max;
367 right = (right * 100) / max;
369 return left | (right << 8);
373 sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
375 struct sb_info *sb = mix_getdevinfo(m);
376 u_char recdev_l, recdev_r;
380 if (src & SOUND_MASK_MIC) {
381 recdev_l |= 0x01; /* mono mic */
385 if (src & SOUND_MASK_CD) {
386 recdev_l |= 0x04; /* l cd */
387 recdev_r |= 0x02; /* r cd */
390 if (src & SOUND_MASK_LINE) {
391 recdev_l |= 0x10; /* l line */
392 recdev_r |= 0x08; /* r line */
395 if (src & SOUND_MASK_SYNTH) {
396 recdev_l |= 0x40; /* l midi */
397 recdev_r |= 0x20; /* r midi */
400 sb_setmixer(sb, SB16_IMASK_L, recdev_l);
401 sb_setmixer(sb, SB16_IMASK_R, recdev_r);
403 /* Switch on/off FM tuner source */
404 if (src & SOUND_MASK_LINE1)
405 sb_setmixer(sb, 0x4a, 0x0c);
407 sb_setmixer(sb, 0x4a, 0x00);
410 * since the same volume controls apply to the input and
411 * output sections, the best approach to have a consistent
412 * behaviour among cards would be to disable the output path
413 * on devices which are used to record.
414 * However, since users like to have feedback, we only disable
415 * the mic -- permanently.
417 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
422 static kobj_method_t sb16mix_mixer_methods[] = {
423 KOBJMETHOD(mixer_init, sb16mix_init),
424 KOBJMETHOD(mixer_set, sb16mix_set),
425 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
428 MIXER_DECLARE(sb16mix_mixer);
430 /************************************************************/
433 sb16_release_resources(struct sb_info *sb, device_t dev)
437 bus_teardown_intr(dev, sb->irq, sb->ih);
438 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
442 if (sb->drq2 != sb->drq1) {
443 isa_dma_release(rman_get_start(sb->drq2));
444 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
449 isa_dma_release(rman_get_start(sb->drq1));
450 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
454 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
457 if (sb->parent_dmat) {
458 bus_dma_tag_destroy(sb->parent_dmat);
465 sb16_alloc_resources(struct sb_info *sb, device_t dev)
471 sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
476 sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
481 sb->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
486 sb->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
489 if (sb->io_base && sb->drq1 && sb->irq) {
490 isa_dma_acquire(rman_get_start(sb->drq1));
491 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize);
494 isa_dma_acquire(rman_get_start(sb->drq2));
495 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize);
498 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
504 /* sbc does locking for us */
508 struct sb_info *sb = (struct sb_info *)arg;
512 * The Vibra16X has separate flags for 8 and 16 bit transfers, but
513 * I have no idea how to tell capture from playback interrupts...
518 c = sb_getmixer(sb, IRQ_STAT);
520 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
523 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
527 * this tells us if the source is 8-bit or 16-bit dma. We
528 * have to check the io channel to map it to read or write...
531 if (sb->bd_flags & BD_F_SB16X) {
532 if (c & 1) { /* 8-bit format */
533 if (sb->pch.fmt & AFMT_8BIT)
535 if (sb->rch.fmt & AFMT_8BIT)
538 if (c & 2) { /* 16-bit format */
539 if (sb->pch.fmt & AFMT_16BIT)
541 if (sb->rch.fmt & AFMT_16BIT)
545 if (c & 1) { /* 8-bit dma */
546 if (sb->pch.dch == 1)
548 if (sb->rch.dch == 1)
551 if (c & 2) { /* 16-bit dma */
552 if (sb->pch.dch == 2)
554 if (sb->rch.dch == 2)
559 kprintf("sb_intr: reason=%d c=0x%x\n", reason, c);
561 if ((reason & 1) && (sb->pch.run))
562 chn_intr(sb->pch.channel);
564 if ((reason & 2) && (sb->rch.run))
565 chn_intr(sb->rch.channel);
569 sb_setup(struct sb_info *sb)
571 struct sb_chinfo *ch;
576 if (sb->bd_flags & BD_F_DMARUN)
577 sndbuf_dma(sb->pch.buffer, PCMTRIG_STOP);
578 if (sb->bd_flags & BD_F_DMARUN2)
579 sndbuf_dma(sb->rch.buffer, PCMTRIG_STOP);
580 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
584 if (sb->bd_flags & BD_F_SB16X) {
585 /* full-duplex doesn't work! */
586 pprio = sb->pch.run? 1 : 0;
587 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq1 : sb->drq2);
588 sb->pch.dch = pprio? 1 : 0;
589 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
590 sb->rch.dch = pprio? 2 : 1;
592 if (sb->pch.run && sb->rch.run) {
593 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
594 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
595 sb->pch.dch = pprio? 2 : 1;
596 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
597 sb->rch.dch = pprio? 1 : 2;
600 sndbuf_dmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
601 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
602 sndbuf_dmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
603 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
604 } else if (sb->rch.run) {
605 sndbuf_dmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
606 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
607 sndbuf_dmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
608 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
613 sndbuf_dmasetdir(sb->pch.buffer, PCMDIR_PLAY);
614 sndbuf_dmasetdir(sb->rch.buffer, PCMDIR_REC);
617 kprintf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
618 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
624 if (ch->fmt & AFMT_16BIT)
629 RANGE(ch->spd, 5000, 45000);
630 sb_cmd(sb, DSP_CMD_OUT16);
631 sb_cmd(sb, ch->spd >> 8);
632 sb_cmd(sb, ch->spd & 0xff);
634 /* play format, length */
635 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
636 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
639 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
640 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
642 sndbuf_dma(ch->buffer, PCMTRIG_START);
643 sb->bd_flags |= BD_F_DMARUN;
649 if (ch->fmt & AFMT_16BIT)
654 RANGE(ch->spd, 5000, 45000);
655 sb_cmd(sb, DSP_CMD_IN16);
656 sb_cmd(sb, ch->spd >> 8);
657 sb_cmd(sb, ch->spd & 0xff);
659 /* record format, length */
660 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
661 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
664 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
665 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
667 sndbuf_dma(ch->buffer, PCMTRIG_START);
668 sb->bd_flags |= BD_F_DMARUN2;
675 /* channel interface */
677 sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
679 struct sb_info *sb = devinfo;
680 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
687 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) != 0)
694 sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
696 struct sb_chinfo *ch = data;
697 struct sb_info *sb = ch->parent;
701 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
707 sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
709 struct sb_chinfo *ch = data;
716 sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
718 struct sb_chinfo *ch = data;
720 ch->blksz = blocksize;
725 sb16chan_trigger(kobj_t obj, void *data, int go)
727 struct sb_chinfo *ch = data;
728 struct sb_info *sb = ch->parent;
730 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
733 if (go == PCMTRIG_START)
744 sb16chan_getptr(kobj_t obj, void *data)
746 struct sb_chinfo *ch = data;
748 return sndbuf_dmaptr(ch->buffer);
751 static struct pcmchan_caps *
752 sb16chan_getcaps(kobj_t obj, void *data)
754 struct sb_chinfo *ch = data;
755 struct sb_info *sb = ch->parent;
757 if ((sb->prio == 0) || (sb->prio == ch->dir))
760 return sb->prio16? &sb16_caps8 : &sb16_caps16;
764 sb16chan_resetdone(kobj_t obj, void *data)
766 struct sb_chinfo *ch = data;
767 struct sb_info *sb = ch->parent;
774 static kobj_method_t sb16chan_methods[] = {
775 KOBJMETHOD(channel_init, sb16chan_init),
776 KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
777 KOBJMETHOD(channel_setformat, sb16chan_setformat),
778 KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
779 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
780 KOBJMETHOD(channel_trigger, sb16chan_trigger),
781 KOBJMETHOD(channel_getptr, sb16chan_getptr),
782 KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
785 CHANNEL_DECLARE(sb16chan);
787 /************************************************************/
790 sb16_probe(device_t dev)
793 uintptr_t func, ver, r, f;
795 /* The parent device has already been probed. */
796 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
800 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
801 f = (ver & 0xffff0000) >> 16;
804 ksnprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
805 (f & BD_F_SB16X)? " (ViBRA16X)" : "");
806 device_set_desc_copy(dev, buf);
813 sb16_attach(device_t dev)
817 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
819 sb = (struct sb_info *)kmalloc(sizeof *sb, M_DEVBUF, M_NOWAIT | M_ZERO);
823 sb->parent_dev = device_get_parent(dev);
824 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver);
825 sb->bd_id = ver & 0x0000ffff;
826 sb->bd_flags = (ver & 0xffff0000) >> 16;
827 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536);
829 if (sb16_alloc_resources(sb, dev))
832 if (sb_reset_dsp(sb)) {
837 if (mixer_init(dev, &sb16mix_mixer_class, sb))
839 if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih))
842 if (sb->bd_flags & BD_F_SB16X)
843 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
847 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
848 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
849 /*highaddr*/BUS_SPACE_MAXADDR,
850 /*filter*/NULL, /*filterarg*/NULL,
851 /*maxsize*/sb->bufsize, /*nsegments*/1,
852 /*maxsegz*/0x3ffff, /*flags*/0,
853 &sb->parent_dmat) != 0) {
854 device_printf(dev, "unable to create dma tag\n");
858 if (!(pcm_getflags(dev) & SD_F_SIMPLEX))
859 ksnprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2));
863 ksnprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s",
864 rman_get_start(sb->io_base), rman_get_start(sb->irq),
865 rman_get_start(sb->drq1), status2, sb->bufsize,
866 PCM_KLDSTRING(snd_sb16));
868 if (pcm_register(dev, sb, 1, 1))
870 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
871 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
873 pcm_setstatus(dev, status);
878 sb16_release_resources(sb, dev);
883 sb16_detach(device_t dev)
888 r = pcm_unregister(dev);
892 sb = pcm_getdevinfo(dev);
893 sb16_release_resources(sb, dev);
897 static device_method_t sb16_methods[] = {
898 /* Device interface */
899 DEVMETHOD(device_probe, sb16_probe),
900 DEVMETHOD(device_attach, sb16_attach),
901 DEVMETHOD(device_detach, sb16_detach),
906 static driver_t sb16_driver = {
912 DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0);
913 MODULE_DEPEND(snd_sb16, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
914 MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1);
915 MODULE_VERSION(snd_sb16, 1);