| #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 <[email protected]>, | |
| * 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) | |
| /* SBI patch management */ | |
| #define SNDRV_DM_FM_IOCTL_CLEAR_PATCHES _IO ('H', 0x40) | |
| #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 | |
| /* | |
| * Patch Record - fixed size for write | |
| */ | |
| #define FM_KEY_SBI "SBI\032" | |
| #define FM_KEY_2OP "2OP\032" | |
| #define FM_KEY_4OP "4OP\032" | |
| struct sbi_patch { | |
| unsigned char prog; | |
| unsigned char bank; | |
| char key[4]; | |
| char name[25]; | |
| char extension[7]; | |
| unsigned char data[32]; | |
| }; | |
| #endif /* __SOUND_ASOUND_FM_H */ |