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#ifndef __SOUND_SFNT_INFO_H

#define __SOUND_SFNT_INFO_H

/*

 *  Patch record compatible with AWE driver on OSS

 *

 *  Copyright (C) 1999-2000 Takashi Iwai

 *

 *   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

 *

 */

#include <sound/asound.h>

/*

 * patch information record

 */

#ifdef SNDRV_BIG_ENDIAN

#define SNDRV_OSS_PATCHKEY(id) (0xfd00|id)

#else

#define SNDRV_OSS_PATCHKEY(id) ((id<<8)|0xfd)

#endif

/* patch interface header: 16 bytes */

struct soundfont_patch_info {

        unsigned short key;             /* use the key below */

#define SNDRV_OSS_SOUNDFONT_PATCH               SNDRV_OSS_PATCHKEY(0x07)

        short device_no;                /* synthesizer number */

        unsigned short sf_id;           /* file id (should be zero) */

        short optarg;                   /* optional argument */

        int len;                        /* data length (without this header) */

        short type;                     /* patch operation type */

#define SNDRV_SFNT_LOAD_INFO            0        /* awe_voice_rec */

#define SNDRV_SFNT_LOAD_DATA            1       /* awe_sample_info */

#define SNDRV_SFNT_OPEN_PATCH   2       /* awe_open_parm */

#define SNDRV_SFNT_CLOSE_PATCH  3       /* none */

        /* 4 is obsolete */

#define SNDRV_SFNT_REPLACE_DATA 5       /* awe_sample_info (optarg=#channels)*/

#define SNDRV_SFNT_MAP_PRESET   6       /* awe_voice_map */

        /* 7 is not used */

#define SNDRV_SFNT_PROBE_DATA           8       /* optarg=sample */

#define SNDRV_SFNT_REMOVE_INFO          9       /* optarg=(bank<<8)|instr */

        short reserved;                 /* word alignment data */

        /* the actual patch data begins after this */

};

/*

 * open patch

 */

#define SNDRV_SFNT_PATCH_NAME_LEN       32

struct soundfont_open_parm {

        unsigned short type;            /* sample type */

#define SNDRV_SFNT_PAT_TYPE_MISC        0

#define SNDRV_SFNT_PAT_TYPE_GUS 6

#define SNDRV_SFNT_PAT_TYPE_MAP 7

#define SNDRV_SFNT_PAT_LOCKED   0x100   /* lock the samples */

#define SNDRV_SFNT_PAT_SHARED   0x200   /* sample is shared */

        short reserved;

        char name[SNDRV_SFNT_PATCH_NAME_LEN];

};

/*

 * raw voice information record

 */

/* wave table envelope & effect parameters to control EMU8000 */

struct soundfont_voice_parm {

        unsigned short moddelay;        /* modulation delay (0x8000) */

        unsigned short modatkhld;       /* modulation attack & hold time (0x7f7f) */

        unsigned short moddcysus;       /* modulation decay & sustain (0x7f7f) */

        unsigned short modrelease;      /* modulation release time (0x807f) */

        short modkeyhold, modkeydecay;  /* envelope change per key (not used) */

        unsigned short voldelay;        /* volume delay (0x8000) */

        unsigned short volatkhld;       /* volume attack & hold time (0x7f7f) */

        unsigned short voldcysus;       /* volume decay & sustain (0x7f7f) */

        unsigned short volrelease;      /* volume release time (0x807f) */

        short volkeyhold, volkeydecay;  /* envelope change per key (not used) */

        unsigned short lfo1delay;       /* LFO1 delay (0x8000) */

        unsigned short lfo2delay;       /* LFO2 delay (0x8000) */

        unsigned short pefe;            /* modulation pitch & cutoff (0x0000) */

        unsigned short fmmod;           /* LFO1 pitch & cutoff (0x0000) */

        unsigned short tremfrq;         /* LFO1 volume & freq (0x0000) */

        unsigned short fm2frq2;         /* LFO2 pitch & freq (0x0000) */

        unsigned char cutoff;           /* initial cutoff (0xff) */

        unsigned char filterQ;          /* initial filter Q [0-15] (0x0) */

        unsigned char chorus;           /* chorus send (0x00) */

        unsigned char reverb;           /* reverb send (0x00) */

        unsigned short reserved[4];     /* not used */

};

/* wave table parameters: 92 bytes */

struct soundfont_voice_info {

        unsigned short sf_id;           /* file id (should be zero) */

        unsigned short sample;          /* sample id */

        int start, end;                 /* sample offset correction */

        int loopstart, loopend;         /* loop offset correction */

        short rate_offset;              /* sample rate pitch offset */

        unsigned short mode;            /* sample mode */

#define SNDRV_SFNT_MODE_ROMSOUND                0x8000

#define SNDRV_SFNT_MODE_STEREO          1

#define SNDRV_SFNT_MODE_LOOPING         2

#define SNDRV_SFNT_MODE_NORELEASE               4       /* obsolete */

#define SNDRV_SFNT_MODE_INIT_PARM               8

        short root;                     /* midi root key */

        short tune;                     /* pitch tuning (in cents) */

        unsigned char low, high;        /* key note range */

        unsigned char vellow, velhigh;  /* velocity range */

        signed char fixkey, fixvel;     /* fixed key, velocity */

        signed char pan, fixpan;        /* panning, fixed panning */

        short exclusiveClass;           /* exclusive class (0 = none) */

        unsigned char amplitude;        /* sample volume (127 max) */

        unsigned char attenuation;      /* attenuation (0.375dB) */

        short scaleTuning;              /* pitch scale tuning(%), normally 100 */

        struct soundfont_voice_parm parm;       /* voice envelope parameters */

        unsigned short sample_mode;     /* sample mode_flag (set by driver) */

};

/* instrument info header: 4 bytes */

struct soundfont_voice_rec_hdr {

        unsigned char bank;             /* midi bank number */

        unsigned char instr;            /* midi preset number */

        char nvoices;                   /* number of voices */

        char write_mode;                /* write mode; normally 0 */

#define SNDRV_SFNT_WR_APPEND            0        /* append anyway */

#define SNDRV_SFNT_WR_EXCLUSIVE         1       /* skip if already exists */

#define SNDRV_SFNT_WR_REPLACE           2       /* replace if already exists */

};

/*

 * sample wave information

 */

/* wave table sample header: 32 bytes */

struct soundfont_sample_info {

        unsigned short sf_id;           /* file id (should be zero) */

        unsigned short sample;          /* sample id */

        int start, end;                 /* start & end offset */

        int loopstart, loopend;         /* loop start & end offset */

        int size;                       /* size (0 = ROM) */

        short dummy;                    /* not used */

        unsigned short mode_flags;      /* mode flags */

#define SNDRV_SFNT_SAMPLE_8BITS         1       /* wave data is 8bits */

#define SNDRV_SFNT_SAMPLE_UNSIGNED      2       /* wave data is unsigned */

#define SNDRV_SFNT_SAMPLE_NO_BLANK      4       /* no blank loop is attached */

#define SNDRV_SFNT_SAMPLE_SINGLESHOT    8       /* single-shot w/o loop */

#define SNDRV_SFNT_SAMPLE_BIDIR_LOOP    16      /* bidirectional looping */

#define SNDRV_SFNT_SAMPLE_STEREO_LEFT   32      /* stereo left sound */

#define SNDRV_SFNT_SAMPLE_STEREO_RIGHT  64      /* stereo right sound */

#define SNDRV_SFNT_SAMPLE_REVERSE_LOOP  128     /* reverse looping */

        unsigned int truesize;          /* used memory size (set by driver) */

};

/*

 * voice preset mapping (aliasing)

 */

struct soundfont_voice_map {

        int map_bank, map_instr, map_key;       /* key = -1 means all keys */

        int src_bank, src_instr, src_key;

};

/*

 * ioctls for hwdep

 */

#define SNDRV_EMUX_HWDEP_NAME   "Emux WaveTable"

#define SNDRV_EMUX_VERSION      ((1 << 16) | (0 << 8) | 0)      /* 1.0.0 */

struct snd_emux_misc_mode {

        int port;       /* -1 = all */

        int mode;

        int value;

        int value2;     /* reserved */

};

#define SNDRV_EMUX_IOCTL_VERSION        _IOR('H', 0x80, unsigned int)

#define SNDRV_EMUX_IOCTL_LOAD_PATCH     _IOWR('H', 0x81, struct soundfont_patch_info)

#define SNDRV_EMUX_IOCTL_RESET_SAMPLES  _IO('H', 0x82)

#define SNDRV_EMUX_IOCTL_REMOVE_LAST_SAMPLES _IO('H', 0x83)

#define SNDRV_EMUX_IOCTL_MEM_AVAIL      _IOW('H', 0x84, int)

#define SNDRV_EMUX_IOCTL_MISC_MODE      _IOWR('H', 0x84, struct snd_emux_misc_mode)

#endif /* __SOUND_SFNT_INFO_H */