LXR linux/sound/pci/au88x0/au88x0

   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
  11/* WT channels are grouped in banks. Each bank has 0x20 channels. */
  12/* Bank register address boundary is 0x8000 */
  13
  14#define NR_WT_PB 0x20
  15
  16/* WT bank base register (as dword address). */
  17#define WT_BAR(x) (((x)&0xffe0)<<0x8)
  18#define WT_BANK(x) (x>>5)
  19/* WT Bank registers */
  20#define WT_CTRL(bank)   (((((bank)&1)<<0xd) + 0x00)<<2) /* 0x0000 */
  21#define WT_SRAMP(bank)  (((((bank)&1)<<0xd) + 0x01)<<2) /* 0x0004 */
  22#define WT_DSREG(bank)  (((((bank)&1)<<0xd) + 0x02)<<2) /* 0x0008 */
  23#define WT_MRAMP(bank)  (((((bank)&1)<<0xd) + 0x03)<<2) /* 0x000c */
  24#define WT_GMODE(bank)  (((((bank)&1)<<0xd) + 0x04)<<2) /* 0x0010 */
  25#define WT_ARAMP(bank)  (((((bank)&1)<<0xd) + 0x05)<<2) /* 0x0014 */
  26/* WT Voice registers */
  27#define WT_STEREO(voice)        ((WT_BAR(voice)+ 0x20 +(((voice)&0x1f)>>1))<<2) /* 0x0080 */
  28#define WT_MUTE(voice)          ((WT_BAR(voice)+ 0x40 +((voice)&0x1f))<<2)      /* 0x0100 */
  29#define WT_RUN(voice)           ((WT_BAR(voice)+ 0x60 +((voice)&0x1f))<<2)      /* 0x0180 */
  30/* Some kind of parameters. */
  31/* PARM0, PARM1 : Filter (0xFF000000), SampleRate (0x0000FFFF) */
  32/* PARM2, PARM3 : Still unknown */
  33#define WT_PARM(x,y)    (((WT_BAR(x))+ 0x80 +(((x)&0x1f)<<2)+(y))<<2)   /* 0x0200 */
  34#define WT_DELAY(x,y)   (((WT_BAR(x))+ 0x100 +(((x)&0x1f)<<2)+(y))<<2)  /* 0x0400 */
  35
  36/* Numeric indexes used by SetReg() and GetReg() */
  37#if 0
  38enum {
  39        run = 0,                /* 0  W 1:run 0:stop */
  40        parm0,                  /* 1  W filter, samplerate */
  41        parm1,                  /* 2  W filter, samplerate */
  42        parm2,                  /* 3  W  */
  43        parm3,                  /* 4  RW volume. This value is calculated using floating point ops. */
  44        sramp,                  /* 5  W */
  45        mute,                   /* 6  W 1:mute, 0:unmute */
  46        gmode,                  /* 7  RO Looks like only bit0 is used. */
  47        aramp,                  /* 8  W */
  48        mramp,                  /* 9  W */
  49        ctrl,                   /* a  W */
  50        delay,                  /* b  W All 4 values are written at once with same value. */
  51        dsreg,                  /* c  (R)W */
  52} wt_reg;
  53#endif
  54
  55typedef struct {
  56        u32 parm0;      /* this_1E4 */
  57        u32 parm1;      /* this_1E8 */
  58        u32 parm2;      /* this_1EC */
  59        u32 parm3;      /* this_1F0 */
  60        u32 this_1D0;
  61} wt_voice_t;
  62
  63#endif                          /* _AU88X0_WT_H */
  64
  65/* End of file */
  66