au88x0_wt.h 2.3 KB

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  1. /***************************************************************************
  2. * WT register offsets.
  3. *
  4. * Wed Oct 22 13:50:20 2003
  5. * Copyright 2003 mjander
  6. * mjander@users.sourceforge.org
  7. ****************************************************************************/
  8. #ifndef _AU88X0_WT_H
  9. #define _AU88X0_WT_H
  10. /* WT channels are grouped in banks. Each bank has 0x20 channels. */
  11. /* Bank register address boundary is 0x8000 */
  12. #define NR_WT_PB 0x20
  13. /* WT bank base register (as dword address). */
  14. #define WT_BAR(x) (((x)&0xffe0)<<0x8)
  15. #define WT_BANK(x) (x>>5)
  16. /* WT Bank registers */
  17. #define WT_CTRL(bank) (((((bank)&1)<<0xd) + 0x00)<<2) /* 0x0000 */
  18. #define WT_SRAMP(bank) (((((bank)&1)<<0xd) + 0x01)<<2) /* 0x0004 */
  19. #define WT_DSREG(bank) (((((bank)&1)<<0xd) + 0x02)<<2) /* 0x0008 */
  20. #define WT_MRAMP(bank) (((((bank)&1)<<0xd) + 0x03)<<2) /* 0x000c */
  21. #define WT_GMODE(bank) (((((bank)&1)<<0xd) + 0x04)<<2) /* 0x0010 */
  22. #define WT_ARAMP(bank) (((((bank)&1)<<0xd) + 0x05)<<2) /* 0x0014 */
  23. /* WT Voice registers */
  24. #define WT_STEREO(voice) ((WT_BAR(voice)+ 0x20 +(((voice)&0x1f)>>1))<<2) /* 0x0080 */
  25. #define WT_MUTE(voice) ((WT_BAR(voice)+ 0x40 +((voice)&0x1f))<<2) /* 0x0100 */
  26. #define WT_RUN(voice) ((WT_BAR(voice)+ 0x60 +((voice)&0x1f))<<2) /* 0x0180 */
  27. /* Some kind of parameters. */
  28. /* PARM0, PARM1 : Filter (0xFF000000), SampleRate (0x0000FFFF) */
  29. /* PARM2, PARM3 : Still unknown */
  30. #define WT_PARM(x,y) (((WT_BAR(x))+ 0x80 +(((x)&0x1f)<<2)+(y))<<2) /* 0x0200 */
  31. #define WT_DELAY(x,y) (((WT_BAR(x))+ 0x100 +(((x)&0x1f)<<2)+(y))<<2) /* 0x0400 */
  32. /* Numeric indexes used by SetReg() and GetReg() */
  33. #if 0
  34. enum {
  35. run = 0, /* 0 W 1:run 0:stop */
  36. parm0, /* 1 W filter, samplerate */
  37. parm1, /* 2 W filter, samplerate */
  38. parm2, /* 3 W */
  39. parm3, /* 4 RW volume. This value is calculated using floating point ops. */
  40. sramp, /* 5 W */
  41. mute, /* 6 W 1:mute, 0:unmute */
  42. gmode, /* 7 RO Looks like only bit0 is used. */
  43. aramp, /* 8 W */
  44. mramp, /* 9 W */
  45. ctrl, /* a W */
  46. delay, /* b W All 4 values are written at once with same value. */
  47. dsreg, /* c (R)W */
  48. } wt_reg;
  49. #endif
  50. typedef struct {
  51. u32 parm0; /* this_1E4 */
  52. u32 parm1; /* this_1E8 */
  53. u32 parm2; /* this_1EC */
  54. u32 parm3; /* this_1F0 */
  55. u32 this_1D0;
  56. } wt_voice_t;
  57. #endif /* _AU88X0_WT_H */
  58. /* End of file */