mirror of
https://github.com/torvalds/linux.git
synced 2024-11-27 22:51:35 +00:00
5b1646a8ec
Modules: OPL3,Raw OPL FM Remove xxx_t typedefs from the OPL3 driver Signed-off-by: Takashi Iwai <tiwai@suse.de>
116 lines
3.9 KiB
C
116 lines
3.9 KiB
C
#ifndef __SOUND_ASOUND_FM_H
|
|
#define __SOUND_ASOUND_FM_H
|
|
|
|
/*
|
|
* Advanced Linux Sound Architecture - ALSA
|
|
*
|
|
* Interface file between ALSA driver & user space
|
|
* Copyright (c) 1994-98 by Jaroslav Kysela <perex@suse.cz>,
|
|
* 4Front Technologies
|
|
*
|
|
* Direct FM control
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#define SNDRV_DM_FM_MODE_OPL2 0x00
|
|
#define SNDRV_DM_FM_MODE_OPL3 0x01
|
|
|
|
struct snd_dm_fm_info {
|
|
unsigned char fm_mode; /* OPL mode, see SNDRV_DM_FM_MODE_XXX */
|
|
unsigned char rhythm; /* percussion mode flag */
|
|
};
|
|
|
|
/*
|
|
* Data structure composing an FM "note" or sound event.
|
|
*/
|
|
|
|
struct snd_dm_fm_voice {
|
|
unsigned char op; /* operator cell (0 or 1) */
|
|
unsigned char voice; /* FM voice (0 to 17) */
|
|
|
|
unsigned char am; /* amplitude modulation */
|
|
unsigned char vibrato; /* vibrato effect */
|
|
unsigned char do_sustain; /* sustain phase */
|
|
unsigned char kbd_scale; /* keyboard scaling */
|
|
unsigned char harmonic; /* 4 bits: harmonic and multiplier */
|
|
unsigned char scale_level; /* 2 bits: decrease output freq rises */
|
|
unsigned char volume; /* 6 bits: volume */
|
|
|
|
unsigned char attack; /* 4 bits: attack rate */
|
|
unsigned char decay; /* 4 bits: decay rate */
|
|
unsigned char sustain; /* 4 bits: sustain level */
|
|
unsigned char release; /* 4 bits: release rate */
|
|
|
|
unsigned char feedback; /* 3 bits: feedback for op0 */
|
|
unsigned char connection; /* 0 for serial, 1 for parallel */
|
|
unsigned char left; /* stereo left */
|
|
unsigned char right; /* stereo right */
|
|
unsigned char waveform; /* 3 bits: waveform shape */
|
|
};
|
|
|
|
/*
|
|
* This describes an FM note by its voice, octave, frequency number (10bit)
|
|
* and key on/off.
|
|
*/
|
|
|
|
struct snd_dm_fm_note {
|
|
unsigned char voice; /* 0-17 voice channel */
|
|
unsigned char octave; /* 3 bits: what octave to play */
|
|
unsigned int fnum; /* 10 bits: frequency number */
|
|
unsigned char key_on; /* set for active, clear for silent */
|
|
};
|
|
|
|
/*
|
|
* FM parameters that apply globally to all voices, and thus are not "notes"
|
|
*/
|
|
|
|
struct snd_dm_fm_params {
|
|
unsigned char am_depth; /* amplitude modulation depth (1=hi) */
|
|
unsigned char vib_depth; /* vibrato depth (1=hi) */
|
|
unsigned char kbd_split; /* keyboard split */
|
|
unsigned char rhythm; /* percussion mode select */
|
|
|
|
/* This block is the percussion instrument data */
|
|
unsigned char bass;
|
|
unsigned char snare;
|
|
unsigned char tomtom;
|
|
unsigned char cymbal;
|
|
unsigned char hihat;
|
|
};
|
|
|
|
/*
|
|
* FM mode ioctl settings
|
|
*/
|
|
|
|
#define SNDRV_DM_FM_IOCTL_INFO _IOR('H', 0x20, struct snd_dm_fm_info)
|
|
#define SNDRV_DM_FM_IOCTL_RESET _IO ('H', 0x21)
|
|
#define SNDRV_DM_FM_IOCTL_PLAY_NOTE _IOW('H', 0x22, struct snd_dm_fm_note)
|
|
#define SNDRV_DM_FM_IOCTL_SET_VOICE _IOW('H', 0x23, struct snd_dm_fm_voice)
|
|
#define SNDRV_DM_FM_IOCTL_SET_PARAMS _IOW('H', 0x24, struct snd_dm_fm_params)
|
|
#define SNDRV_DM_FM_IOCTL_SET_MODE _IOW('H', 0x25, int)
|
|
/* for OPL3 only */
|
|
#define SNDRV_DM_FM_IOCTL_SET_CONNECTION _IOW('H', 0x26, int)
|
|
|
|
#define SNDRV_DM_FM_OSS_IOCTL_RESET 0x20
|
|
#define SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE 0x21
|
|
#define SNDRV_DM_FM_OSS_IOCTL_SET_VOICE 0x22
|
|
#define SNDRV_DM_FM_OSS_IOCTL_SET_PARAMS 0x23
|
|
#define SNDRV_DM_FM_OSS_IOCTL_SET_MODE 0x24
|
|
#define SNDRV_DM_FM_OSS_IOCTL_SET_OPL 0x25
|
|
|
|
#endif /* __SOUND_ASOUND_FM_H */
|