sound/aoa/soundbus/i2sbus/i2sbus-control.h

   1 /*
   2  * i2sbus driver -- bus register definitions
   3  *
   4  * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * GPL v2, can be found in COPYING.
   7  */
   8 #ifndef __I2SBUS_CONTROLREGS_H
   9 #define __I2SBUS_CONTROLREGS_H
  10
  11 /* i2s control registers, at least what we know about them */
  12
  13 #define __PAD(m,n) u8 __pad##m[n]
  14 #define _PAD(line, n) __PAD(line, n)
  15 #define PAD(n) _PAD(__LINE__, (n))
  16 struct i2s_control_regs {
  17         PAD(0x38);
  18         __le32 fcr0;            /* 0x38 (unknown) */
  19         __le32 cell_control;    /* 0x3c (fcr1) */
  20         __le32 fcr2;            /* 0x40 (unknown) */
  21         __le32 fcr3;            /* 0x44 (fcr3) */
  22         __le32 clock_control;   /* 0x48 (unknown) */
  23         PAD(4);
  24         /* total size: 0x50 bytes */
  25 }  __attribute__((__packed__));
  26
  27 #define CTRL_CLOCK_CELL_0_ENABLE        (1<<10)
  28 #define CTRL_CLOCK_CLOCK_0_ENABLE       (1<<12)
  29 #define CTRL_CLOCK_SWRESET_0            (1<<11)
  30 #define CTRL_CLOCK_INTF_0_ENABLE        (1<<13)
  31
  32 #define CTRL_CLOCK_CELL_1_ENABLE        (1<<17)
  33 #define CTRL_CLOCK_CLOCK_1_ENABLE       (1<<18)
  34 #define CTRL_CLOCK_SWRESET_1            (1<<19)
  35 #define CTRL_CLOCK_INTF_1_ENABLE        (1<<20)
  36
  37 #endif /* __I2SBUS_CONTROLREGS_H */