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linux-vybrid_pu...
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sound
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oss
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dm.h

dm.h 1.2 KB
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  1. #ifndef _DRIVERS_SOUND_DM_H
    2. 

  2. #define _DRIVERS_SOUND_DM_H
    3. 

  3. 

  4. /*
    5. 

  5.  *	Definitions of the 'direct midi sound' interface used
    6. 

  6.  *	by the newer commercial OSS package. We should export
    7. 

  7.  *	this to userland somewhere in glibc later.
    8. 

  8.  */
    9. 

  9. 

  10. /*
    11. 

  11.  * Data structure composing an FM "note" or sound event.
    12. 

  12.  */
    13. 

  13. 

  14. struct dm_fm_voice
    15. 

  15. {
    16. 

  16. 	u8 op;
    17. 

  17. 	u8 voice;
    18. 

  18. 	u8 am;
    19. 

  19. 	u8 vibrato;
    20. 

  20. 	u8 do_sustain;
    21. 

  21. 	u8 kbd_scale;
    22. 

  22. 	u8 harmonic;
    23. 

  23. 	u8 scale_level;
    24. 

  24. 	u8 volume;
    25. 

  25. 	u8 attack;
    26. 

  26. 	u8 decay;
    27. 

  27. 	u8 sustain;
    28. 

  28. 	u8 release;
    29. 

  29. 	u8 feedback;
    30. 

  30. 	u8 connection;
    31. 

  31. 	u8 left;
    32. 

  32. 	u8 right;
    33. 

  33. 	u8 waveform;
    34. 

  34. };
    35. 

  35. 

  36. /*
    37. 

  37.  *	This describes an FM note by its voice, octave, frequency number (10bit)
    38. 

  38.  *	and key on/off.
    39. 

  39.  */
    40. 

  40. 

  41. struct dm_fm_note
    42. 

  42. {
    43. 

  43. 	u8 voice;
    44. 

  44. 	u8 octave;
    45. 

  45. 	u32 fnum;
    46. 

  46. 	u8 key_on;
    47. 

  47. };
    48. 

  48. 

  49. /*
    50. 

  50.  * FM parameters that apply globally to all voices, and thus are not "notes"
    51. 

  51.  */
    52. 

  52. 

  53. struct dm_fm_params
    54. 

  54. {
    55. 

  55. 	u8 am_depth;
    56. 

  56. 	u8 vib_depth;
    57. 

  57. 	u8 kbd_split;
    58. 

  58. 	u8 rhythm;
    59. 

  59. 

  60. 	/* This block is the percussion instrument data */
    61. 

  61. 	u8 bass;
    62. 

  62. 	u8 snare;
    63. 

  63. 	u8 tomtom;
    64. 

  64. 	u8 cymbal;
    65. 

  65. 	u8 hihat;
    66. 

  66. };
    67. 

  67. 

  68. /*
    69. 

  69.  *	FM mode ioctl settings
    70. 

  70.  */
    71. 

  71.  
    72. 

  72. #define FM_IOCTL_RESET        0x20
    73. 

  73. #define FM_IOCTL_PLAY_NOTE    0x21
    74. 

  74. #define FM_IOCTL_SET_VOICE    0x22
    75. 

  75. #define FM_IOCTL_SET_PARAMS   0x23
    76. 

  76. #define FM_IOCTL_SET_MODE     0x24
    77. 

  77. #define FM_IOCTL_SET_OPL      0x25
    78. 

  78. 

  79. #endif
    80.