2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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 1.64.2.7 2002/12/24 21:17:42 semenu Exp $
32 * $DragonFly: src/sys/dev/sound/isa/sb16.c,v 1.6 2006/12/20 18:14:40 dillon Exp $
35 #include <dev/sound/pcm/sound.h>
37 #include <dev/sound/isa/sb.h>
38 #include <dev/sound/chip.h>
42 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/isa/sb16.c,v 1.6 2006/12/20 18:14:40 dillon Exp $");
44 #define SB16_BUFFSIZE 4096
45 #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
47 static u_int32_t sb16_fmt8[] = {
49 AFMT_STEREO | AFMT_U8,
52 static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
54 static u_int32_t sb16_fmt16[] = {
56 AFMT_STEREO | AFMT_S16_LE,
59 static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
61 static u_int32_t sb16x_fmt[] = {
63 AFMT_STEREO | AFMT_U8,
65 AFMT_STEREO | AFMT_S16_LE,
68 static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
73 struct sb_info *parent;
74 struct pcm_channel *channel;
75 struct snd_dbuf *buffer;
77 u_int32_t fmt, spd, blksz;
81 struct resource *io_base; /* I/O address for the board */
83 struct resource *drq1;
84 struct resource *drq2;
86 bus_dma_tag_t parent_dmat;
90 u_long bd_flags; /* board-specific flags */
92 struct sb_chinfo pch, rch;
97 static void sb_lock(struct sb_info *sb);
98 static void sb_unlock(struct sb_info *sb);
99 static int sb_rd(struct sb_info *sb, int reg);
100 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
101 static int sb_cmd(struct sb_info *sb, u_char val);
102 /* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */
103 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
104 static u_int sb_get_byte(struct sb_info *sb);
105 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
106 static int sb_getmixer(struct sb_info *sb, u_int port);
107 static int sb_reset_dsp(struct sb_info *sb);
109 static void sb_intr(void *arg);
113 * Common code for the midi and pcm functions
115 * sb_cmd write a single byte to the CMD port.
116 * sb_cmd1 write a CMD + 1 byte arg
117 * sb_cmd2 write a CMD + 2 byte arg
118 * sb_get_byte returns a single byte from the DSP data port
122 sb_lock(struct sb_info *sb) {
124 sbc_lock(device_get_softc(sb->parent_dev));
128 sb_unlock(struct sb_info *sb) {
130 sbc_unlock(device_get_softc(sb->parent_dev));
134 port_rd(struct resource *port, int off)
136 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
140 port_wr(struct resource *port, int off, u_int8_t data)
142 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
146 sb_rd(struct sb_info *sb, int reg)
148 return port_rd(sb->io_base, reg);
152 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
154 port_wr(sb->io_base, reg, val);
158 sb_dspwr(struct sb_info *sb, u_char val)
162 for (i = 0; i < 1000; i++) {
163 if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
164 DELAY((i > 100)? 1000 : 10);
166 sb_wr(sb, SBDSP_CMD, val);
170 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
171 if (curthread->td_intr_nesting_level == 0)
172 printf("sb_dspwr(0x%02x) timed out.\n", val);
178 sb_cmd(struct sb_info *sb, u_char val)
181 printf("sb_cmd: %x\n", val);
183 return sb_dspwr(sb, val);
188 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
191 printf("sb_cmd1: %x, %x\n", cmd, val);
193 if (sb_dspwr(sb, cmd)) {
194 return sb_dspwr(sb, val & 0xff);
200 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
205 printf("sb_cmd2: %x, %x\n", cmd, val);
209 if (sb_dspwr(sb, cmd)) {
210 if (sb_dspwr(sb, val & 0xff)) {
211 if (sb_dspwr(sb, (val >> 8) & 0xff)) {
222 * in the SB, there is a set of indirect "mixer" registers with
223 * address at offset 4, data at offset 5
226 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
229 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
231 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
237 sb_getmixer(struct sb_info *sb, u_int port)
242 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
244 val = sb_rd(sb, SB_MIX_DATA);
252 sb_get_byte(struct sb_info *sb)
256 for (i = 1000; i > 0; i--) {
257 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
258 return sb_rd(sb, DSP_READ);
266 sb_reset_dsp(struct sb_info *sb)
271 sb_wr(sb, SBDSP_RST, 3);
273 sb_wr(sb, SBDSP_RST, 0);
277 DEB(printf("sb_reset_dsp 0x%lx failed\n",
278 rman_get_start(sb->io_base)));
279 return ENXIO; /* Sorry */
284 /************************************************************/
293 static const struct sb16_mixent sb16_mixtab[32] = {
294 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
295 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
296 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
297 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
298 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
299 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
300 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
301 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
302 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
303 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
304 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
305 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 }
309 sb16mix_init(struct snd_mixer *m)
311 struct sb_info *sb = mix_getdevinfo(m);
313 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
314 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
315 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 |
316 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
318 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
319 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD);
321 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
323 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
324 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
330 sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
332 struct sb_info *sb = mix_getdevinfo(m);
333 const struct sb16_mixent *e;
336 e = &sb16_mixtab[dev];
337 max = (1 << e->bits) - 1;
339 left = (left * max) / 100;
340 right = (right * max) / 100;
342 sb_setmixer(sb, e->reg, left << e->ofs);
344 sb_setmixer(sb, e->reg + 1, right << e->ofs);
348 left = (left * 100) / max;
349 right = (right * 100) / max;
351 return left | (right << 8);
355 sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
357 struct sb_info *sb = mix_getdevinfo(m);
361 if (src & SOUND_MASK_MIC)
362 recdev |= 0x01; /* mono mic */
364 if (src & SOUND_MASK_CD)
365 recdev |= 0x06; /* l+r cd */
367 if (src & SOUND_MASK_LINE)
368 recdev |= 0x18; /* l+r line */
370 if (src & SOUND_MASK_SYNTH)
371 recdev |= 0x60; /* l+r midi */
373 sb_setmixer(sb, SB16_IMASK_L, recdev);
374 sb_setmixer(sb, SB16_IMASK_R, recdev);
376 /* Switch on/off FM tuner source */
377 if (src & SOUND_MASK_LINE1)
378 sb_setmixer(sb, 0x4a, 0x0c);
380 sb_setmixer(sb, 0x4a, 0x00);
383 * since the same volume controls apply to the input and
384 * output sections, the best approach to have a consistent
385 * behaviour among cards would be to disable the output path
386 * on devices which are used to record.
387 * However, since users like to have feedback, we only disable
388 * the mic -- permanently.
390 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
395 static kobj_method_t sb16mix_mixer_methods[] = {
396 KOBJMETHOD(mixer_init, sb16mix_init),
397 KOBJMETHOD(mixer_set, sb16mix_set),
398 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
401 MIXER_DECLARE(sb16mix_mixer);
403 /************************************************************/
406 sb16_release_resources(struct sb_info *sb, device_t dev)
410 bus_teardown_intr(dev, sb->irq, sb->ih);
411 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
415 if (sb->drq2 != sb->drq1) {
416 isa_dma_release(rman_get_start(sb->drq2));
417 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
422 isa_dma_release(rman_get_start(sb->drq1));
423 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
427 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
430 if (sb->parent_dmat) {
431 bus_dma_tag_destroy(sb->parent_dmat);
438 sb16_alloc_resources(struct sb_info *sb, device_t dev)
444 sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
448 sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
452 sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE);
456 sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE);
458 if (sb->io_base && sb->drq1 && sb->irq) {
459 isa_dma_acquire(rman_get_start(sb->drq1));
460 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize);
463 isa_dma_acquire(rman_get_start(sb->drq2));
464 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize);
467 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
473 /* sbc does locking for us */
477 struct sb_info *sb = (struct sb_info *)arg;
481 * The Vibra16X has separate flags for 8 and 16 bit transfers, but
482 * I have no idea how to tell capture from playback interrupts...
487 c = sb_getmixer(sb, IRQ_STAT);
489 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
492 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
496 * this tells us if the source is 8-bit or 16-bit dma. We
497 * have to check the io channel to map it to read or write...
500 if (sb->bd_flags & BD_F_SB16X) {
501 if (c & 1) { /* 8-bit format */
502 if (sb->pch.fmt & AFMT_8BIT)
504 if (sb->rch.fmt & AFMT_8BIT)
507 if (c & 2) { /* 16-bit format */
508 if (sb->pch.fmt & AFMT_16BIT)
510 if (sb->rch.fmt & AFMT_16BIT)
514 if (c & 1) { /* 8-bit dma */
515 if (sb->pch.dch == 1)
517 if (sb->rch.dch == 1)
520 if (c & 2) { /* 16-bit dma */
521 if (sb->pch.dch == 2)
523 if (sb->rch.dch == 2)
528 printf("sb_intr: reason=%d c=0x%x\n", reason, c);
530 if ((reason & 1) && (sb->pch.run))
531 chn_intr(sb->pch.channel);
533 if ((reason & 2) && (sb->rch.run))
534 chn_intr(sb->rch.channel);
538 sb_setup(struct sb_info *sb)
540 struct sb_chinfo *ch;
545 if (sb->bd_flags & BD_F_DMARUN)
546 sndbuf_isadma(sb->pch.buffer, PCMTRIG_STOP);
547 if (sb->bd_flags & BD_F_DMARUN2)
548 sndbuf_isadma(sb->rch.buffer, PCMTRIG_STOP);
549 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
553 if (sb->bd_flags & BD_F_SB16X) {
554 pprio = sb->pch.run? 1 : 0;
555 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL);
556 sb->pch.dch = pprio? 1 : 0;
557 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
558 sb->rch.dch = pprio? 2 : 1;
560 if (sb->pch.run && sb->rch.run) {
561 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
562 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
563 sb->pch.dch = pprio? 2 : 1;
564 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
565 sb->rch.dch = pprio? 1 : 2;
568 sndbuf_isadmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
569 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
570 sndbuf_isadmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
571 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
572 } else if (sb->rch.run) {
573 sndbuf_isadmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
574 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
575 sndbuf_isadmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
576 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
581 sndbuf_isadmasetdir(sb->pch.buffer, PCMDIR_PLAY);
582 sndbuf_isadmasetdir(sb->rch.buffer, PCMDIR_REC);
585 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
586 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
592 if (ch->fmt & AFMT_16BIT)
597 RANGE(ch->spd, 5000, 45000);
598 sb_cmd(sb, DSP_CMD_OUT16);
599 sb_cmd(sb, ch->spd >> 8);
600 sb_cmd(sb, ch->spd & 0xff);
602 /* play format, length */
603 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
604 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
607 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
608 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
610 sndbuf_isadma(ch->buffer, PCMTRIG_START);
611 sb->bd_flags |= BD_F_DMARUN;
617 if (ch->fmt & AFMT_16BIT)
622 RANGE(ch->spd, 5000, 45000);
623 sb_cmd(sb, DSP_CMD_IN16);
624 sb_cmd(sb, ch->spd >> 8);
625 sb_cmd(sb, ch->spd & 0xff);
627 /* record format, length */
628 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
629 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
632 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
633 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
635 sndbuf_isadma(ch->buffer, PCMTRIG_START);
636 sb->bd_flags |= BD_F_DMARUN2;
643 /* channel interface */
645 sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
647 struct sb_info *sb = devinfo;
648 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
655 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) == -1)
662 sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
664 struct sb_chinfo *ch = data;
665 struct sb_info *sb = ch->parent;
669 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
675 sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
677 struct sb_chinfo *ch = data;
684 sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
686 struct sb_chinfo *ch = data;
688 ch->blksz = blocksize;
693 sb16chan_trigger(kobj_t obj, void *data, int go)
695 struct sb_chinfo *ch = data;
696 struct sb_info *sb = ch->parent;
698 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
701 if (go == PCMTRIG_START)
712 sb16chan_getptr(kobj_t obj, void *data)
714 struct sb_chinfo *ch = data;
716 return sndbuf_isadmaptr(ch->buffer);
719 static struct pcmchan_caps *
720 sb16chan_getcaps(kobj_t obj, void *data)
722 struct sb_chinfo *ch = data;
723 struct sb_info *sb = ch->parent;
725 if ((sb->prio == 0) || (sb->prio == ch->dir))
728 return sb->prio16? &sb16_caps8 : &sb16_caps16;
732 sb16chan_resetdone(kobj_t obj, void *data)
734 struct sb_chinfo *ch = data;
735 struct sb_info *sb = ch->parent;
742 static kobj_method_t sb16chan_methods[] = {
743 KOBJMETHOD(channel_init, sb16chan_init),
744 KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
745 KOBJMETHOD(channel_setformat, sb16chan_setformat),
746 KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
747 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
748 KOBJMETHOD(channel_trigger, sb16chan_trigger),
749 KOBJMETHOD(channel_getptr, sb16chan_getptr),
750 KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
753 CHANNEL_DECLARE(sb16chan);
755 /************************************************************/
758 sb16_probe(device_t dev)
761 uintptr_t func, ver, r, f;
763 /* The parent device has already been probed. */
764 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
768 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
769 f = (ver & 0xffff0000) >> 16;
772 ksnprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
773 (f & BD_F_SB16X)? " (ViBRA16X)" : "");
774 device_set_desc_copy(dev, buf);
781 sb16_attach(device_t dev)
785 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
787 sb = (struct sb_info *)kmalloc(sizeof *sb, M_DEVBUF, M_NOWAIT | M_ZERO);
791 sb->parent_dev = device_get_parent(dev);
792 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver);
793 sb->bd_id = ver & 0x0000ffff;
794 sb->bd_flags = (ver & 0xffff0000) >> 16;
795 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536);
797 if (sb16_alloc_resources(sb, dev))
799 if (sb_reset_dsp(sb))
801 if (mixer_init(dev, &sb16mix_mixer_class, sb))
803 if (snd_setup_intr(dev, sb->irq, INTR_MPSAFE, sb_intr, sb, &sb->ih, NULL))
806 if (sb->bd_flags & BD_F_SB16X)
807 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
811 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
812 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
813 /*highaddr*/BUS_SPACE_MAXADDR,
814 /*filter*/NULL, /*filterarg*/NULL,
815 /*maxsize*/sb->bufsize, /*nsegments*/1,
817 /*flags*/0, &sb->parent_dmat) != 0) {
818 device_printf(dev, "unable to create dma tag\n");
822 if (!(pcm_getflags(dev) & SD_F_SIMPLEX))
823 ksnprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2));
827 ksnprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %ud",
828 rman_get_start(sb->io_base), rman_get_start(sb->irq),
829 rman_get_start(sb->drq1), status2, sb->bufsize);
831 if (pcm_register(dev, sb, 1, 1))
833 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
834 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
836 pcm_setstatus(dev, status);
841 sb16_release_resources(sb, dev);
846 sb16_detach(device_t dev)
851 r = pcm_unregister(dev);
855 sb = pcm_getdevinfo(dev);
856 sb16_release_resources(sb, dev);
860 static device_method_t sb16_methods[] = {
861 /* Device interface */
862 DEVMETHOD(device_probe, sb16_probe),
863 DEVMETHOD(device_attach, sb16_attach),
864 DEVMETHOD(device_detach, sb16_detach),
869 static driver_t sb16_driver = {
875 DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0);
876 MODULE_DEPEND(snd_sb16, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
877 MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1);
878 MODULE_VERSION(snd_sb16, 1);