freebsd-dev/sys/dev/sound/pcm/ac97.h
Cameron Grant 33dbf14a17 change mixer api slightly
change channel interface - kobj implementation coming soonish
make pcm_makelinks not panic if modular
add pcm_unregister()

these changes support newpcm kld unloading, but this is only implemented
by ds1.c
2000-09-01 20:09:24 +00:00

79 lines
2.9 KiB
C

/*
* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#define AC97_MUTE 0x8000
#define AC97_REG_RESET 0x00
#define AC97_MIX_MASTER 0x02
#define AC97_MIX_PHONES 0x04
#define AC97_MIX_MONO 0x06
#define AC97_MIX_TONE 0x08
#define AC97_MIX_BEEP 0x0a
#define AC97_MIX_PHONE 0x0c
#define AC97_MIX_MIC 0x0e
#define AC97_MIX_LINE 0x10
#define AC97_MIX_CD 0x12
#define AC97_MIX_VIDEO 0x14
#define AC97_MIX_AUX 0x16
#define AC97_MIX_PCM 0x18
#define AC97_REG_RECSEL 0x1a
#define AC97_MIX_RGAIN 0x1c
#define AC97_MIX_MGAIN 0x1e
#define AC97_REG_GEN 0x20
#define AC97_REG_3D 0x22
#define AC97_REG_POWER 0x26
#define AC97_REGEXT_ID 0x28
#define AC97_EXTCAP_VRA (1 << 0)
#define AC97_EXTCAP_DRA (1 << 1)
#define AC97_EXTCAP_VRM (1 << 3)
#define AC97_EXTCAPS (AC97_EXTCAP_VRA | AC97_EXTCAP_DRA | AC97_EXTCAP_VRM)
#define AC97_REGEXT_STAT 0x2a
#define AC97_REGEXT_FDACRATE 0x2c
#define AC97_REGEXT_SDACRATE 0x2e
#define AC97_REGEXT_LDACRATE 0x30
#define AC97_REGEXT_LADCRATE 0x32
#define AC97_REGEXT_MADCRATE 0x34
#define AC97_MIXEXT_CLFE 0x36
#define AC97_MIXEXT_SURROUND 0x38
#define AC97_REG_ID1 0x7c
#define AC97_REG_ID2 0x7e
typedef u_int32_t (ac97_init)(void *devinfo);
typedef u_int32_t (ac97_read)(void *devinfo, int regno);
typedef void (ac97_write)(void *devinfo, int regno, u_int32_t data);
extern snd_mixer ac97_mixer;
struct ac97_info;
struct ac97_info *ac97_create(device_t dev, void *devinfo, ac97_init *init,
ac97_read *rd, ac97_write *wr);
void ac97_destroy(struct ac97_info *codec);
int ac97_setrate(struct ac97_info *codec, int which, int rate);
int ac97_setextmode(struct ac97_info *codec, u_int16_t mode);