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#ifndef _DRIVERS_SOUND_DM_H

#define _DRIVERS_SOUND_DM_H

/*

 *      Definitions of the 'direct midi sound' interface used

 *      by the newer commercial OSS package. We should export

 *      this to userland somewhere in glibc later.

 */

/*

 * Data structure composing an FM "note" or sound event.

 */

struct dm_fm_voice

{

        u8 op;

        u8 voice;

        u8 am;

        u8 vibrato;

        u8 do_sustain;

        u8 kbd_scale;

        u8 harmonic;

        u8 scale_level;

        u8 volume;

        u8 attack;

        u8 decay;

        u8 sustain;

        u8 release;

        u8 feedback;

        u8 connection;

        u8 left;

        u8 right;

        u8 waveform;

};

/*

 *      This describes an FM note by its voice, octave, frequency number (10bit)

 *      and key on/off.

 */

struct dm_fm_note

{

        u8 voice;

        u8 octave;

        u32 fnum;

        u8 key_on;

};

/*

 * FM parameters that apply globally to all voices, and thus are not "notes"

 */

struct dm_fm_params

{

        u8 am_depth;

        u8 vib_depth;

        u8 kbd_split;

        u8 rhythm;

        /* This block is the percussion instrument data */

        u8 bass;

        u8 snare;

        u8 tomtom;

        u8 cymbal;

        u8 hihat;

};

/*

 *      FM mode ioctl settings

 */

#define FM_IOCTL_RESET        0x20

#define FM_IOCTL_PLAY_NOTE    0x21

#define FM_IOCTL_SET_VOICE    0x22

#define FM_IOCTL_SET_PARAMS   0x23

#define FM_IOCTL_SET_MODE     0x24

#define FM_IOCTL_SET_OPL      0x25

#endif