eadd0f839e
we do not support sb versions <2.00, and the sb8 driver has not been tested yet. these drivers are not yet enabled by default.
792 lines
17 KiB
C
792 lines
17 KiB
C
/*
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* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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* Copyright 1997,1998 Luigi Rizzo.
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*
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* Derived from files in the Voxware 3.5 distribution,
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* Copyright by Hannu Savolainen 1994, under the same copyright
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* conditions.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <dev/sound/pcm/sound.h>
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#include <dev/sound/isa/sb.h>
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#include <dev/sound/chip.h>
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#define SB_BUFFSIZE 4096
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/* channel interface */
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static void *sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir);
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static int sbchan_setformat(void *data, u_int32_t format);
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static int sbchan_setspeed(void *data, u_int32_t speed);
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static int sbchan_setblocksize(void *data, u_int32_t blocksize);
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static int sbchan_trigger(void *data, int go);
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static int sbchan_getptr(void *data);
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static pcmchan_caps *sbchan_getcaps(void *data);
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static u_int32_t sb_fmt[] = {
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AFMT_U8,
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0
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};
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static pcmchan_caps sb200_playcaps = {4000, 23000, sb_fmt, 0};
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static pcmchan_caps sb200_reccaps = {4000, 13000, sb_fmt, 0};
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static pcmchan_caps sb201_playcaps = {4000, 44100, sb_fmt, 0};
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static pcmchan_caps sb201_reccaps = {4000, 15000, sb_fmt, 0};
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static u_int32_t sbpro_fmt[] = {
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AFMT_U8,
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AFMT_STEREO | AFMT_U8,
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0
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};
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static pcmchan_caps sbpro_playcaps = {4000, 44100, sbpro_fmt, 0};
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static pcmchan_caps sbpro_reccaps = {4000, 44100, sbpro_fmt, 0};
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static pcm_channel sb_chantemplate = {
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sbchan_init,
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NULL,
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sbchan_setformat,
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sbchan_setspeed,
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sbchan_setblocksize,
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sbchan_trigger,
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sbchan_getptr,
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sbchan_getcaps,
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NULL, /* free */
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NULL, /* nop1 */
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NULL, /* nop2 */
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NULL, /* nop3 */
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NULL, /* nop4 */
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NULL, /* nop5 */
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NULL, /* nop6 */
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NULL, /* nop7 */
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};
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struct sb_info;
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struct sb_chinfo {
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struct sb_info *parent;
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pcm_channel *channel;
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snd_dbuf *buffer;
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int dir;
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u_int32_t fmt, spd;
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};
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struct sb_info {
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struct resource *io_base; /* I/O address for the board */
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struct resource *irq;
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struct resource *drq;
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void *ih;
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bus_dma_tag_t parent_dmat;
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int bd_id;
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u_long bd_flags; /* board-specific flags */
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struct sb_chinfo pch, rch;
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};
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static int sb_rd(struct sb_info *sb, int reg);
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static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
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static int sb_dspready(struct sb_info *sb);
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static int sb_cmd(struct sb_info *sb, u_char val);
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static int sb_cmd1(struct sb_info *sb, u_char cmd, int val);
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static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
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static u_int sb_get_byte(struct sb_info *sb);
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static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
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static int sb_getmixer(struct sb_info *sb, u_int port);
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static int sb_reset_dsp(struct sb_info *sb);
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static void sb_intr(void *arg);
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static int sb_speed(struct sb_chinfo *ch);
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static int sb_start(struct sb_chinfo *ch);
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static int sb_stop(struct sb_chinfo *ch);
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static int sbmix_init(snd_mixer *m);
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static int sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right);
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static int sbmix_setrecsrc(snd_mixer *m, u_int32_t src);
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static int sbpromix_init(snd_mixer *m);
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static int sbpromix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right);
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static int sbpromix_setrecsrc(snd_mixer *m, u_int32_t src);
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static snd_mixer sb_mixer = {
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"SoundBlaster 2.0 mixer",
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sbmix_init,
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NULL,
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NULL,
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sbmix_set,
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sbmix_setrecsrc,
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};
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static snd_mixer sbpro_mixer = {
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"SoundBlaster Pro mixer",
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sbpromix_init,
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NULL,
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NULL,
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sbpromix_set,
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sbpromix_setrecsrc,
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};
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static devclass_t pcm_devclass;
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/*
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* Common code for the midi and pcm functions
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*
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* sb_cmd write a single byte to the CMD port.
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* sb_cmd1 write a CMD + 1 byte arg
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* sb_cmd2 write a CMD + 2 byte arg
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* sb_get_byte returns a single byte from the DSP data port
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*/
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static int
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port_rd(struct resource *port, int off)
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{
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return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
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}
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static void
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port_wr(struct resource *port, int off, u_int8_t data)
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{
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return bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
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}
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static int
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sb_rd(struct sb_info *sb, int reg)
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{
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return port_rd(sb->io_base, reg);
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}
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static void
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sb_wr(struct sb_info *sb, int reg, u_int8_t val)
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{
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port_wr(sb->io_base, reg, val);
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}
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static int
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sb_dspready(struct sb_info *sb)
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{
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return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0);
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}
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static int
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sb_dspwr(struct sb_info *sb, u_char val)
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{
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int i;
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for (i = 0; i < 1000; i++) {
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if (sb_dspready(sb)) {
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sb_wr(sb, SBDSP_CMD, val);
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return 1;
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}
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if (i > 10) DELAY((i > 100)? 1000 : 10);
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}
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printf("sb_dspwr(0x%02x) timed out.\n", val);
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return 0;
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}
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static int
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sb_cmd(struct sb_info *sb, u_char val)
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{
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#if 0
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printf("sb_cmd: %x\n", val);
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#endif
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return sb_dspwr(sb, val);
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}
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static int
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sb_cmd1(struct sb_info *sb, u_char cmd, int val)
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{
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#if 0
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printf("sb_cmd1: %x, %x\n", cmd, val);
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#endif
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if (sb_dspwr(sb, cmd)) {
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return sb_dspwr(sb, val & 0xff);
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} else return 0;
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}
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static int
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sb_cmd2(struct sb_info *sb, u_char cmd, int val)
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{
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#if 0
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printf("sb_cmd2: %x, %x\n", cmd, val);
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#endif
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if (sb_dspwr(sb, cmd)) {
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return sb_dspwr(sb, val & 0xff) &&
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sb_dspwr(sb, (val >> 8) & 0xff);
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} else return 0;
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}
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/*
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* in the SB, there is a set of indirect "mixer" registers with
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* address at offset 4, data at offset 5
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*/
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static void
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sb_setmixer(struct sb_info *sb, u_int port, u_int value)
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{
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u_long flags;
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flags = spltty();
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sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
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DELAY(10);
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sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
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DELAY(10);
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splx(flags);
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}
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static int
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sb_getmixer(struct sb_info *sb, u_int port)
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{
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int val;
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u_long flags;
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flags = spltty();
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sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
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DELAY(10);
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val = sb_rd(sb, SB_MIX_DATA);
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DELAY(10);
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splx(flags);
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return val;
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}
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static u_int
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sb_get_byte(struct sb_info *sb)
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{
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int i;
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for (i = 1000; i > 0; i--) {
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if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
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return sb_rd(sb, DSP_READ);
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else
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DELAY(20);
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}
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return 0xffff;
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}
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static int
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sb_reset_dsp(struct sb_info *sb)
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{
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sb_wr(sb, SBDSP_RST, 3);
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DELAY(100);
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sb_wr(sb, SBDSP_RST, 0);
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if (sb_get_byte(sb) != 0xAA) {
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DEB(printf("sb_reset_dsp 0x%lx failed\n",
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rman_get_start(d->io_base)));
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return ENXIO; /* Sorry */
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}
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return 0;
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}
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static void
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sb_release_resources(struct sb_info *sb, device_t dev)
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{
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if (sb->irq) {
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if (sb->ih)
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bus_teardown_intr(dev, sb->irq, sb->ih);
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bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
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sb->irq = 0;
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}
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if (sb->drq) {
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bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq);
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sb->drq = 0;
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}
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if (sb->io_base) {
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bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
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sb->io_base = 0;
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}
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if (sb->parent_dmat) {
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bus_dma_tag_destroy(sb->parent_dmat);
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sb->parent_dmat = 0;
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}
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free(sb, M_DEVBUF);
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}
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static int
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sb_alloc_resources(struct sb_info *sb, device_t dev)
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{
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int rid;
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rid = 0;
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if (!sb->io_base)
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sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
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rid = 0;
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if (!sb->irq)
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sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
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rid = 0;
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if (!sb->drq)
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sb->drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE);
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if (sb->io_base && sb->drq && sb->irq) {
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int bs = SB_BUFFSIZE;
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isa_dma_acquire(rman_get_start(sb->drq));
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isa_dmainit(rman_get_start(sb->drq), bs);
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return 0;
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} else return ENXIO;
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}
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/************************************************************/
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static int
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sbpromix_init(snd_mixer *m)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
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SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME);
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mix_setrecdevs(m, SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD);
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sb_setmixer(sb, 0, 1); /* reset mixer */
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return 0;
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}
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static int
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sbpromix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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int reg, max;
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u_char val;
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max = 7;
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switch (dev) {
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case SOUND_MASK_PCM:
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reg = 0x04;
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break;
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case SOUND_MASK_MIC:
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reg = 0x0a;
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max = 3;
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break;
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case SOUND_MASK_VOLUME:
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reg = 0x22;
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break;
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case SOUND_MASK_SYNTH:
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reg = 0x26;
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break;
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case SOUND_MASK_CD:
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reg = 0x28;
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break;
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case SOUND_MASK_LINE:
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reg = 0x2e;
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break;
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default:
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return -1;
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}
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left = (left * max) / 100;
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right = (dev == SOUND_MIXER_MIC)? left : ((right * max) / 100);
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val = (dev == SOUND_MIXER_MIC)? (left << 1) : (left << 5 | right << 1);
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sb_setmixer(sb, reg, val);
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left = (left * 100) / max;
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right = (right * 100) / max;
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return left | (right << 8);
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}
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static int
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sbpromix_setrecsrc(snd_mixer *m, u_int32_t src)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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u_char recdev;
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if (src == SOUND_MASK_LINE)
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recdev = 0x06;
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else if (src == SOUND_MASK_CD)
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recdev = 0x02;
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else { /* default: mic */
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src = SOUND_MASK_MIC;
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recdev = 0;
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}
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sb_setmixer(sb, RECORD_SRC, recdev | (sb_getmixer(sb, RECORD_SRC) & ~0x07));
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return src;
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}
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/************************************************************/
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static int
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sbmix_init(snd_mixer *m)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_CD | SOUND_MASK_VOLUME);
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mix_setrecdevs(m, 0);
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sb_setmixer(sb, 0, 1); /* reset mixer */
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return 0;
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}
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static int
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sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right)
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{
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struct sb_info *sb = mix_getdevinfo(m);
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int reg, max;
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max = 7;
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switch (dev) {
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case SOUND_MASK_VOLUME:
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reg = 0x2;
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break;
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case SOUND_MASK_SYNTH:
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reg = 0x6;
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break;
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case SOUND_MASK_CD:
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reg = 0x8;
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break;
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case SOUND_MASK_PCM:
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reg = 0x0a;
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max = 3;
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break;
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default:
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return -1;
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}
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left = (left * max) / 100;
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sb_setmixer(sb, reg, left << 1);
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left = (left * 100) / max;
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return left | (left << 8);
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}
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static int
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sbmix_setrecsrc(snd_mixer *m, u_int32_t src)
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{
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return 0;
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}
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/************************************************************/
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static void
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sb_intr(void *arg)
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{
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struct sb_info *sb = (struct sb_info *)arg;
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if (sb->pch.buffer->dl > 0)
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chn_intr(sb->pch.channel);
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if (sb->rch.buffer->dl > 0)
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chn_intr(sb->rch.channel);
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sb_rd(sb, DSP_DATA_AVAIL); /* int ack */
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}
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static int
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sb_speed(struct sb_chinfo *ch)
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{
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struct sb_info *sb = ch->parent;
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int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
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int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
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int speed, tmp, thresh, max;
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u_char tconst;
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if (sb->bd_id >= 0x300) {
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thresh = stereo? 11025 : 23000;
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max = stereo? 22050 : 44100;
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} else if (sb->bd_id > 0x200) {
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thresh = play? 23000 : 13000;
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max = play? 44100 : 15000;
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} else {
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thresh = 999999;
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max = play? 23000 : 13000;
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}
|
|
|
|
speed = ch->spd;
|
|
if (speed > max)
|
|
speed = max;
|
|
|
|
sb->bd_flags &= ~BD_F_HISPEED;
|
|
if (speed > thresh)
|
|
sb->bd_flags |= BD_F_HISPEED;
|
|
|
|
tmp = 65536 - (256000000 / (speed << stereo));
|
|
tconst = tmp >> 8;
|
|
|
|
sb_cmd1(sb, 0x40, tconst); /* set time constant */
|
|
|
|
speed = (256000000 / (65536 - tmp)) >> stereo;
|
|
|
|
ch->spd = speed;
|
|
return speed;
|
|
}
|
|
|
|
static int
|
|
sb_start(struct sb_chinfo *ch)
|
|
{
|
|
struct sb_info *sb = ch->parent;
|
|
int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
|
|
int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
|
|
int l = ch->buffer->dl;
|
|
u_char i;
|
|
|
|
l--;
|
|
|
|
if (play)
|
|
sb_cmd(sb, DSP_CMD_SPKON);
|
|
|
|
if (sb->bd_flags & BD_F_HISPEED)
|
|
i = play? 0x90 : 0x98;
|
|
else
|
|
i = play? 0x1c : 0x2c;
|
|
|
|
sb_setmixer(sb, 0x0e, stereo? 2 : 0);
|
|
sb_cmd2(sb, 0x48, l);
|
|
sb_cmd(sb, i);
|
|
|
|
sb->bd_flags |= BD_F_DMARUN;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sb_stop(struct sb_chinfo *ch)
|
|
{
|
|
struct sb_info *sb = ch->parent;
|
|
int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
|
|
|
|
if (sb->bd_flags & BD_F_HISPEED)
|
|
sb_reset_dsp(sb);
|
|
else
|
|
sb_cmd(sb, DSP_CMD_DMAEXIT_8);
|
|
|
|
if (play)
|
|
sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */
|
|
sb->bd_flags &= ~BD_F_DMARUN;
|
|
return 0;
|
|
}
|
|
|
|
/* channel interface */
|
|
static void *
|
|
sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir)
|
|
{
|
|
struct sb_info *sb = devinfo;
|
|
struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
|
|
|
|
ch->parent = sb;
|
|
ch->channel = c;
|
|
ch->dir = dir;
|
|
ch->buffer = b;
|
|
ch->buffer->bufsize = SB_BUFFSIZE;
|
|
ch->buffer->chan = rman_get_start(sb->drq);
|
|
if (chn_allocbuf(ch->buffer, sb->parent_dmat) == -1)
|
|
return NULL;
|
|
return ch;
|
|
}
|
|
|
|
static int
|
|
sbchan_setformat(void *data, u_int32_t format)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
|
|
ch->fmt = format;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sbchan_setspeed(void *data, u_int32_t speed)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
|
|
ch->spd = speed;
|
|
return sb_speed(ch);
|
|
}
|
|
|
|
static int
|
|
sbchan_setblocksize(void *data, u_int32_t blocksize)
|
|
{
|
|
return blocksize;
|
|
}
|
|
|
|
static int
|
|
sbchan_trigger(void *data, int go)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
|
|
if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
|
|
return 0;
|
|
|
|
buf_isadma(ch->buffer, go);
|
|
if (go == PCMTRIG_START)
|
|
sb_start(ch);
|
|
else
|
|
sb_stop(ch);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sbchan_getptr(void *data)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
|
|
return buf_isadmaptr(ch->buffer);
|
|
}
|
|
|
|
static pcmchan_caps *
|
|
sbchan_getcaps(void *data)
|
|
{
|
|
struct sb_chinfo *ch = data;
|
|
int p = (ch->dir == PCMDIR_PLAY)? 1 : 0;
|
|
|
|
if (ch->parent->bd_id == 0x200)
|
|
return p? &sb200_playcaps : &sb200_reccaps;
|
|
if (ch->parent->bd_id < 0x300)
|
|
return p? &sb201_playcaps : &sb201_reccaps;
|
|
return p? &sbpro_playcaps : &sbpro_reccaps;
|
|
}
|
|
|
|
/************************************************************/
|
|
|
|
static int
|
|
sb_probe(device_t dev)
|
|
{
|
|
char buf[64];
|
|
uintptr_t func, ver, r, f;
|
|
|
|
/* The parent device has already been probed. */
|
|
r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
|
|
if (func != SCF_PCM)
|
|
return (ENXIO);
|
|
|
|
r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
|
|
f = (ver & 0xffff0000) >> 16;
|
|
ver &= 0x0000ffff;
|
|
if ((f & BD_F_ESS) || (ver >= 0x400))
|
|
return (ENXIO);
|
|
|
|
snprintf(buf, sizeof buf, "SB DSP %d.%02d", (int) ver >> 8, (int) ver & 0xff);
|
|
|
|
device_set_desc_copy(dev, buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sb_attach(device_t dev)
|
|
{
|
|
struct sb_info *sb;
|
|
char status[SND_STATUSLEN];
|
|
int bs = SB_BUFFSIZE;
|
|
uintptr_t ver;
|
|
|
|
sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT);
|
|
if (!sb)
|
|
return ENXIO;
|
|
bzero(sb, sizeof *sb);
|
|
|
|
BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
|
|
sb->bd_id = ver & 0x0000ffff;
|
|
sb->bd_flags = (ver & 0xffff0000) >> 16;
|
|
|
|
if (sb_alloc_resources(sb, dev))
|
|
goto no;
|
|
if (sb_reset_dsp(sb))
|
|
goto no;
|
|
if (mixer_init(dev, (sb->bd_id < 0x300)? &sb_mixer : &sbpro_mixer, sb))
|
|
goto no;
|
|
if (bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &sb->ih))
|
|
goto no;
|
|
|
|
pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
|
|
|
|
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
|
|
/*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
|
|
/*highaddr*/BUS_SPACE_MAXADDR,
|
|
/*filter*/NULL, /*filterarg*/NULL,
|
|
/*maxsize*/bs, /*nsegments*/1,
|
|
/*maxsegz*/0x3ffff,
|
|
/*flags*/0, &sb->parent_dmat) != 0) {
|
|
device_printf(dev, "unable to create dma tag\n");
|
|
goto no;
|
|
}
|
|
|
|
snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld",
|
|
rman_get_start(sb->io_base), rman_get_start(sb->irq), rman_get_start(sb->drq));
|
|
|
|
if (pcm_register(dev, sb, 1, 1))
|
|
goto no;
|
|
pcm_addchan(dev, PCMDIR_REC, &sb_chantemplate, sb);
|
|
pcm_addchan(dev, PCMDIR_PLAY, &sb_chantemplate, sb);
|
|
|
|
pcm_setstatus(dev, status);
|
|
|
|
return 0;
|
|
|
|
no:
|
|
sb_release_resources(sb, dev);
|
|
return ENXIO;
|
|
}
|
|
|
|
static int
|
|
sb_detach(device_t dev)
|
|
{
|
|
int r;
|
|
struct sb_info *sb;
|
|
|
|
r = pcm_unregister(dev);
|
|
if (r)
|
|
return r;
|
|
|
|
sb = pcm_getdevinfo(dev);
|
|
sb_release_resources(sb, dev);
|
|
return 0;
|
|
}
|
|
|
|
static device_method_t sb_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, sb_probe),
|
|
DEVMETHOD(device_attach, sb_attach),
|
|
DEVMETHOD(device_detach, sb_detach),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t sb_driver = {
|
|
"pcm",
|
|
sb_methods,
|
|
sizeof(snddev_info),
|
|
};
|
|
|
|
DRIVER_MODULE(snd_sb8, sbc, sb_driver, pcm_devclass, 0, 0);
|
|
MODULE_DEPEND(snd_sb8, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
|
|
MODULE_VERSION(snd_sb8, 1);
|
|
|
|
|
|
|
|
|