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linux_pcsp.h
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C/C++ Source or Header
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1998-04-12
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8KB
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219 lines
#ifndef _LINUX_PCSP_H
#define _LINUX_PCSP_H
/*
* include/linux/pcsp.h
*
* /dev/pcsp implementation (dsp & audio for PC Speaker)
*
* Copyright (C) 1993, 1994 Michael Beck
* Some Parts (C) Hannu Savolainen 1992, 1993
*
* Minor Alterations for Paradise Sound Client
*/
#include <sys/ioctl.h>
/* MUST BE defined from 0.5 */
/* #define SOUND_VERSION 0x60 */
#define PCSP_MAJOR 30
#define PCSP_MIXER_MINOR 0
#define PCSP_DSP_MINOR 3
#define PCSP_AUD_MINOR 4
/* card ID, real soundcards use 0 to ... */
#define SNDCARD_PCSP 128
#define SNDCARD_STO1 129
#define SNDCARD_DACM 130
#define SNDCARD_DACS 131
/* IOCTL commands, compatible to real /dev/dsp */
/* SAMPLESIZE returns only the value, doesn't support changes */
#define SNDCTL_DSP_RESET _IO ('P', 0)
#define SNDCTL_DSP_SYNC _IO ('P', 1)
#define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
#define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
#define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)
/* #define SNDCTL_DSP_SAMPLESIZE _IOWR('P', 5, int) */
#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
/* #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SAMPLESIZE */
#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
#define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
#define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
/* IOCTL for changing the play-device, real sample rate etc. */
#define PCSP_SET_DEV 0x00014350
#define PCSP_GET_DEV 0x00024350
#define PCSP_SET_PORTS 0x00034350
#define PCSP_GET_PORTS 0x00044350
#define PCSP_SET_VOL 0x00054350
#define PCSP_GET_VOL 0x00064350
#define PCSP_SET_SRATE 0x00074350
#define PCSP_GET_SRATE 0x00084350
#define PCSP_GET_MEASURE 0x00094350
/*********************************************
* IOCTL commands for /dev/mixer
*/
/* Mixer devices */
#define SOUND_MIXER_NRDEVICES 12
#define SOUND_MIXER_VOLUME 0
#define SOUND_MIXER_BASS 1
#define SOUND_MIXER_TREBLE 2
#define SOUND_MIXER_SYNTH 3
#define SOUND_MIXER_PCM 4
#define SOUND_MIXER_SPEAKER 5
#define SOUND_MIXER_LINE 6
#define SOUND_MIXER_MIC 7
#define SOUND_MIXER_CD 8
#define SOUND_MIXER_IMIX 9 /* Recording monitor */
#define SOUND_MIXER_ALTPCM 10
#define SOUND_MIXER_RECLEV 11 /* Recording level */
/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
#define SOUND_ONOFF_MIN 28
#define SOUND_ONOFF_MAX 30
#define SOUND_MIXER_MUTE 28 /* 0 or 1 */
#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
#define SOUND_MIXER_LOUD 30 /* 0 or 1 */
/* Note! Number 31 cannot be used since the sign bit is reserved */
#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
"Mic ", "CD ", "Mix ", "Pcm2 ", "rec"}
#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
"mic", "cd", "mix", "pcm2", "rec"}
/* Device bitmask identifiers */
#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
#define SOUND_MIXER_CAPS 0xfc
#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
/* Device mask bits */
#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
#define MIXER_READ(dev) _IOR('M', dev, int)
#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
#define MIXER_WRITE(dev) _IOWR('M', dev, int)
#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
/*
* The following mixer ioctl calls are compatible with the BSD driver by
* Steve Haehnichen <shaehnic@ucsd.edu>
*/
typedef unsigned char BYTE;
typedef unsigned char FLAG;
struct stereo_vol
{
BYTE l; /* Left volume */
BYTE r; /* Right volume */
};
#define MIXER_IOCTL_SET_LEVELS _IOW ('s', 20, struct sb_mixer_levels)
#define MIXER_IOCTL_SET_PARAMS _IOW ('s', 21, struct sb_mixer_params)
#define MIXER_IOCTL_READ_LEVELS _IOR ('s', 22, struct sb_mixer_levels)
#define MIXER_IOCTL_READ_PARAMS _IOR ('s', 23, struct sb_mixer_params)
#define MIXER_IOCTL_RESET _IO ('s', 24)
/*
* Mixer volume levels for MIXER_IOCTL_SET_VOL & MIXER_IOCTL_READ_VOL
*/
struct sb_mixer_levels
{
struct stereo_vol master; /* Master volume */
struct stereo_vol voc; /* DSP Voice volume */
struct stereo_vol fm; /* FM volume */
struct stereo_vol line; /* Line-in volume */
struct stereo_vol cd; /* CD audio */
BYTE mic; /* Microphone level */
};
/*
* Mixer parameters for MIXER_IOCTL_SET_PARAMS & MIXER_IOCTL_READ_PARAMS
*/
struct sb_mixer_params
{
BYTE record_source; /* Recording source (See SRC_xxx below) */
FLAG hifreq_filter; /* Filter frequency (hi/low) */
FLAG filter_input; /* ANFI input filter */
FLAG filter_output; /* DNFI output filter */
FLAG dsp_stereo; /* 1 if DSP is in Stereo mode */
};
#define SRC_MIC 1 /* Select Microphone recording source */
#define SRC_CD 3 /* Select CD recording source */
#define SRC_LINE 7 /* Use Line-in for recording source */
#endif