0f55ac6c1a
this gives us several benefits, including: * easier extensibility- new optional methods can be added to ac97/mixer/channel classes without having to fixup every driver. * forward compatibility for drivers, provided no new mandatory methods are added.
101 lines
3.4 KiB
C
101 lines
3.4 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
|
|
|
|
struct ac97mixtable_entry {
|
|
int reg:8;
|
|
unsigned bits:4;
|
|
unsigned ofs:4;
|
|
unsigned stereo:1;
|
|
unsigned mute:1;
|
|
unsigned recidx:4;
|
|
unsigned mask:1;
|
|
unsigned enable:1;
|
|
};
|
|
|
|
#define AC97_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, sizeof(struct kobj))
|
|
#define AC97_CREATE(dev, devinfo, cls) ac97_create(dev, devinfo, &cls ## _class)
|
|
|
|
struct ac97_info {
|
|
kobj_t methods;
|
|
device_t dev;
|
|
void *devinfo;
|
|
char *name;
|
|
char rev;
|
|
unsigned count, caps, se, extcaps, extid, extstat, noext:1;
|
|
struct ac97mixtable_entry mix[32];
|
|
};
|
|
|
|
#include "ac97_if.h"
|
|
|
|
extern kobj_class_t ac97_getmixerclass(void);
|
|
|
|
struct ac97_info *ac97_create(device_t dev, void *devinfo, kobj_class_t cls);
|
|
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);
|
|
u_int16_t ac97_getextmode(struct ac97_info *codec);
|
|
u_int16_t ac97_getextcaps(struct ac97_info *codec);
|
|
|