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 $
34 #include <dev/sound/pcm/sound.h>
36 #include <dev/sound/isa/sb.h>
37 #include <dev/sound/chip.h>
39 #include <bus/isa/isavar.h>
43 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/isa/sb16.c,v 1.8 2007/01/04 21:47:02 corecode Exp $");
45 #define SB16_BUFFSIZE 4096
46 #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
48 static u_int32_t sb16_fmt8[] = {
50 AFMT_STEREO | AFMT_U8,
53 static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
55 static u_int32_t sb16_fmt16[] = {
57 AFMT_STEREO | AFMT_S16_LE,
60 static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
62 static u_int32_t sb16x_fmt[] = {
64 AFMT_STEREO | AFMT_U8,
66 AFMT_STEREO | AFMT_S16_LE,
69 static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
74 struct sb_info *parent;
75 struct pcm_channel *channel;
76 struct snd_dbuf *buffer;
78 u_int32_t fmt, spd, blksz;
82 struct resource *io_base; /* I/O address for the board */
84 struct resource *drq1;
85 struct resource *drq2;
87 bus_dma_tag_t parent_dmat;
91 u_long bd_flags; /* board-specific flags */
93 struct sb_chinfo pch, rch;
98 static void sb_lock(struct sb_info *sb);
99 static void sb_unlock(struct sb_info *sb);
100 static int sb_rd(struct sb_info *sb, int reg);
101 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
102 static int sb_cmd(struct sb_info *sb, u_char val);
103 /* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */
104 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
105 static u_int sb_get_byte(struct sb_info *sb);
106 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
107 static int sb_getmixer(struct sb_info *sb, u_int port);
108 static int sb_reset_dsp(struct sb_info *sb);
110 static void sb_intr(void *arg);
114 * Common code for the midi and pcm functions
116 * sb_cmd write a single byte to the CMD port.
117 * sb_cmd1 write a CMD + 1 byte arg
118 * sb_cmd2 write a CMD + 2 byte arg
119 * sb_get_byte returns a single byte from the DSP data port
123 sb_lock(struct sb_info *sb) {
125 sbc_lock(device_get_softc(sb->parent_dev));
129 sb_lockassert(struct sb_info *sb) {
131 sbc_lockassert(device_get_softc(sb->parent_dev));
135 sb_unlock(struct sb_info *sb) {
137 sbc_unlock(device_get_softc(sb->parent_dev));
141 port_rd(struct resource *port, int off)
143 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
147 port_wr(struct resource *port, int off, u_int8_t data)
149 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
153 sb_rd(struct sb_info *sb, int reg)
155 return port_rd(sb->io_base, reg);
159 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
161 port_wr(sb->io_base, reg, val);
165 sb_dspwr(struct sb_info *sb, u_char val)
169 for (i = 0; i < 1000; i++) {
170 if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
171 DELAY((i > 100)? 1000 : 10);
173 sb_wr(sb, SBDSP_CMD, val);
177 #if __FreeBSD_version > 500000
178 if (curthread->td_intr_nesting_level == 0)
179 kprintf("sb_dspwr(0x%02x) timed out.\n", val);
185 sb_cmd(struct sb_info *sb, u_char val)
188 kprintf("sb_cmd: %x\n", val);
190 return sb_dspwr(sb, val);
195 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
198 kprintf("sb_cmd1: %x, %x\n", cmd, val);
200 if (sb_dspwr(sb, cmd)) {
201 return sb_dspwr(sb, val & 0xff);
207 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
212 kprintf("sb_cmd2: %x, %x\n", cmd, val);
216 if (sb_dspwr(sb, cmd)) {
217 if (sb_dspwr(sb, val & 0xff)) {
218 if (sb_dspwr(sb, (val >> 8) & 0xff)) {
228 * in the SB, there is a set of indirect "mixer" registers with
229 * address at offset 4, data at offset 5
232 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
235 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
237 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
243 sb_getmixer(struct sb_info *sb, u_int port)
248 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
250 val = sb_rd(sb, SB_MIX_DATA);
257 sb_get_byte(struct sb_info *sb)
261 for (i = 1000; i > 0; i--) {
262 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
263 return sb_rd(sb, DSP_READ);
271 sb_reset_dsp(struct sb_info *sb)
276 sb_wr(sb, SBDSP_RST, 3);
278 sb_wr(sb, SBDSP_RST, 0);
281 DEB(kprintf("sb_reset_dsp 0x%lx failed\n",
282 rman_get_start(sb->io_base)));
283 return ENXIO; /* Sorry */
288 /************************************************************/
297 static const struct sb16_mixent sb16_mixtab[32] = {
298 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
299 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
300 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
301 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
302 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
303 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
304 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
305 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
306 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
307 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
308 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
309 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 }
313 sb16mix_init(struct snd_mixer *m)
315 struct sb_info *sb = mix_getdevinfo(m);
317 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
318 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
319 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 |
320 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
322 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
323 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD);
325 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
327 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
328 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
334 rel2abs_volume(int x, int max)
338 temp = ((x * max) + 50) / 100;
347 sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
349 struct sb_info *sb = mix_getdevinfo(m);
350 const struct sb16_mixent *e;
353 e = &sb16_mixtab[dev];
354 max = (1 << e->bits) - 1;
356 left = rel2abs_volume(left, max);
357 right = rel2abs_volume(right, max);
359 sb_setmixer(sb, e->reg, left << e->ofs);
361 sb_setmixer(sb, e->reg + 1, right << e->ofs);
365 left = (left * 100) / max;
366 right = (right * 100) / max;
368 return left | (right << 8);
372 sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
374 struct sb_info *sb = mix_getdevinfo(m);
375 u_char recdev_l, recdev_r;
379 if (src & SOUND_MASK_MIC) {
380 recdev_l |= 0x01; /* mono mic */
384 if (src & SOUND_MASK_CD) {
385 recdev_l |= 0x04; /* l cd */
386 recdev_r |= 0x02; /* r cd */
389 if (src & SOUND_MASK_LINE) {
390 recdev_l |= 0x10; /* l line */
391 recdev_r |= 0x08; /* r line */
394 if (src & SOUND_MASK_SYNTH) {
395 recdev_l |= 0x40; /* l midi */
396 recdev_r |= 0x20; /* r midi */
399 sb_setmixer(sb, SB16_IMASK_L, recdev_l);
400 sb_setmixer(sb, SB16_IMASK_R, recdev_r);
402 /* Switch on/off FM tuner source */
403 if (src & SOUND_MASK_LINE1)
404 sb_setmixer(sb, 0x4a, 0x0c);
406 sb_setmixer(sb, 0x4a, 0x00);
409 * since the same volume controls apply to the input and
410 * output sections, the best approach to have a consistent
411 * behaviour among cards would be to disable the output path
412 * on devices which are used to record.
413 * However, since users like to have feedback, we only disable
414 * the mic -- permanently.
416 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
421 static kobj_method_t sb16mix_mixer_methods[] = {
422 KOBJMETHOD(mixer_init, sb16mix_init),
423 KOBJMETHOD(mixer_set, sb16mix_set),
424 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
427 MIXER_DECLARE(sb16mix_mixer);
429 /************************************************************/
432 sb16_release_resources(struct sb_info *sb, device_t dev)
436 bus_teardown_intr(dev, sb->irq, sb->ih);
437 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
441 if (sb->drq2 != sb->drq1) {
442 isa_dma_release(rman_get_start(sb->drq2));
443 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
448 isa_dma_release(rman_get_start(sb->drq1));
449 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
453 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
456 if (sb->parent_dmat) {
457 bus_dma_tag_destroy(sb->parent_dmat);
464 sb16_alloc_resources(struct sb_info *sb, device_t dev)
470 sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
475 sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
480 sb->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
485 sb->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
488 if (sb->io_base && sb->drq1 && sb->irq) {
489 isa_dma_acquire(rman_get_start(sb->drq1));
490 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize);
493 isa_dma_acquire(rman_get_start(sb->drq2));
494 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize);
497 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
503 /* sbc does locking for us */
507 struct sb_info *sb = (struct sb_info *)arg;
511 * The Vibra16X has separate flags for 8 and 16 bit transfers, but
512 * I have no idea how to tell capture from playback interrupts...
517 c = sb_getmixer(sb, IRQ_STAT);
519 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
522 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
526 * this tells us if the source is 8-bit or 16-bit dma. We
527 * have to check the io channel to map it to read or write...
530 if (sb->bd_flags & BD_F_SB16X) {
531 if (c & 1) { /* 8-bit format */
532 if (sb->pch.fmt & AFMT_8BIT)
534 if (sb->rch.fmt & AFMT_8BIT)
537 if (c & 2) { /* 16-bit format */
538 if (sb->pch.fmt & AFMT_16BIT)
540 if (sb->rch.fmt & AFMT_16BIT)
544 if (c & 1) { /* 8-bit dma */
545 if (sb->pch.dch == 1)
547 if (sb->rch.dch == 1)
550 if (c & 2) { /* 16-bit dma */
551 if (sb->pch.dch == 2)
553 if (sb->rch.dch == 2)
558 kprintf("sb_intr: reason=%d c=0x%x\n", reason, c);
560 if ((reason & 1) && (sb->pch.run))
561 chn_intr(sb->pch.channel);
563 if ((reason & 2) && (sb->rch.run))
564 chn_intr(sb->rch.channel);
568 sb_setup(struct sb_info *sb)
570 struct sb_chinfo *ch;
575 if (sb->bd_flags & BD_F_DMARUN)
576 sndbuf_dma(sb->pch.buffer, PCMTRIG_STOP);
577 if (sb->bd_flags & BD_F_DMARUN2)
578 sndbuf_dma(sb->rch.buffer, PCMTRIG_STOP);
579 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
583 if (sb->bd_flags & BD_F_SB16X) {
584 /* full-duplex doesn't work! */
585 pprio = sb->pch.run? 1 : 0;
586 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq1 : sb->drq2);
587 sb->pch.dch = pprio? 1 : 0;
588 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
589 sb->rch.dch = pprio? 2 : 1;
591 if (sb->pch.run && sb->rch.run) {
592 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
593 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
594 sb->pch.dch = pprio? 2 : 1;
595 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
596 sb->rch.dch = pprio? 1 : 2;
599 sndbuf_dmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
600 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
601 sndbuf_dmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
602 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
603 } else if (sb->rch.run) {
604 sndbuf_dmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
605 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
606 sndbuf_dmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
607 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
612 sndbuf_dmasetdir(sb->pch.buffer, PCMDIR_PLAY);
613 sndbuf_dmasetdir(sb->rch.buffer, PCMDIR_REC);
616 kprintf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
617 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
623 if (ch->fmt & AFMT_16BIT)
628 RANGE(ch->spd, 5000, 45000);
629 sb_cmd(sb, DSP_CMD_OUT16);
630 sb_cmd(sb, ch->spd >> 8);
631 sb_cmd(sb, ch->spd & 0xff);
633 /* play format, length */
634 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
635 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
638 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
639 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
641 sndbuf_dma(ch->buffer, PCMTRIG_START);
642 sb->bd_flags |= BD_F_DMARUN;
648 if (ch->fmt & AFMT_16BIT)
653 RANGE(ch->spd, 5000, 45000);
654 sb_cmd(sb, DSP_CMD_IN16);
655 sb_cmd(sb, ch->spd >> 8);
656 sb_cmd(sb, ch->spd & 0xff);
658 /* record format, length */
659 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
660 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
663 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
664 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
666 sndbuf_dma(ch->buffer, PCMTRIG_START);
667 sb->bd_flags |= BD_F_DMARUN2;
674 /* channel interface */
676 sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
678 struct sb_info *sb = devinfo;
679 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
686 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) != 0)
693 sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
695 struct sb_chinfo *ch = data;
696 struct sb_info *sb = ch->parent;
700 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
706 sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
708 struct sb_chinfo *ch = data;
715 sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
717 struct sb_chinfo *ch = data;
719 ch->blksz = blocksize;
724 sb16chan_trigger(kobj_t obj, void *data, int go)
726 struct sb_chinfo *ch = data;
727 struct sb_info *sb = ch->parent;
729 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
732 if (go == PCMTRIG_START)
743 sb16chan_getptr(kobj_t obj, void *data)
745 struct sb_chinfo *ch = data;
747 return sndbuf_dmaptr(ch->buffer);
750 static struct pcmchan_caps *
751 sb16chan_getcaps(kobj_t obj, void *data)
753 struct sb_chinfo *ch = data;
754 struct sb_info *sb = ch->parent;
756 if ((sb->prio == 0) || (sb->prio == ch->dir))
759 return sb->prio16? &sb16_caps8 : &sb16_caps16;
763 sb16chan_resetdone(kobj_t obj, void *data)
765 struct sb_chinfo *ch = data;
766 struct sb_info *sb = ch->parent;
773 static kobj_method_t sb16chan_methods[] = {
774 KOBJMETHOD(channel_init, sb16chan_init),
775 KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
776 KOBJMETHOD(channel_setformat, sb16chan_setformat),
777 KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
778 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
779 KOBJMETHOD(channel_trigger, sb16chan_trigger),
780 KOBJMETHOD(channel_getptr, sb16chan_getptr),
781 KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
784 CHANNEL_DECLARE(sb16chan);
786 /************************************************************/
789 sb16_probe(device_t dev)
792 uintptr_t func, ver, r, f;
794 /* The parent device has already been probed. */
795 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
799 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
800 f = (ver & 0xffff0000) >> 16;
803 ksnprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
804 (f & BD_F_SB16X)? " (ViBRA16X)" : "");
805 device_set_desc_copy(dev, buf);
812 sb16_attach(device_t dev)
816 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
818 sb = kmalloc(sizeof *sb, M_DEVBUF, M_WAITOK | M_ZERO);
819 sb->parent_dev = device_get_parent(dev);
820 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver);
821 sb->bd_id = ver & 0x0000ffff;
822 sb->bd_flags = (ver & 0xffff0000) >> 16;
823 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536);
825 if (sb16_alloc_resources(sb, dev))
828 if (sb_reset_dsp(sb)) {
833 if (mixer_init(dev, &sb16mix_mixer_class, sb))
835 if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih))
838 if (sb->bd_flags & BD_F_SB16X)
839 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
843 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
844 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
845 /*highaddr*/BUS_SPACE_MAXADDR,
846 /*filter*/NULL, /*filterarg*/NULL,
847 /*maxsize*/sb->bufsize, /*nsegments*/1,
848 /*maxsegz*/0x3ffff, /*flags*/0,
849 &sb->parent_dmat) != 0) {
850 device_printf(dev, "unable to create dma tag\n");
854 if (!(pcm_getflags(dev) & SD_F_SIMPLEX))
855 ksnprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2));
859 ksnprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s",
860 rman_get_start(sb->io_base), rman_get_start(sb->irq),
861 rman_get_start(sb->drq1), status2, sb->bufsize,
862 PCM_KLDSTRING(snd_sb16));
864 if (pcm_register(dev, sb, 1, 1))
866 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
867 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
869 pcm_setstatus(dev, status);
874 sb16_release_resources(sb, dev);
879 sb16_detach(device_t dev)
884 r = pcm_unregister(dev);
888 sb = pcm_getdevinfo(dev);
889 sb16_release_resources(sb, dev);
893 static device_method_t sb16_methods[] = {
894 /* Device interface */
895 DEVMETHOD(device_probe, sb16_probe),
896 DEVMETHOD(device_attach, sb16_attach),
897 DEVMETHOD(device_detach, sb16_detach),
902 static driver_t sb16_driver = {
908 DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, NULL, NULL);
909 MODULE_DEPEND(snd_sb16, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
910 MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1);
911 MODULE_VERSION(snd_sb16, 1);