arch/m68k/include/asm/mac_asc.h

   1 /*
   2  *      Apple Sound Chip
   3  */
   4
   5 #ifndef __ASM_MAC_ASC_H
   6 #define __ASM_MAC_ASC_H
   7
   8 /*
   9  *      ASC offsets and controls
  10  */
  11
  12 #define ASC_BUF_BASE    0x00    /* RAM buffer offset */
  13 #define ASC_BUF_SIZE    0x800
  14
  15 #define ASC_CONTROL     0x800
  16 #define ASC_CONTROL_OFF         0x00
  17 #define ASC_FREQ(chan,byte)     ((0x810)+((chan)<<3)+(byte))
  18 #define ASC_ENABLE      0x801
  19 #define ASC_ENABLE_SAMPLE       0x02
  20 #define ASC_MODE        0x802
  21 #define ASC_MODE_SAMPLE         0x02
  22
  23 #define ASC_VOLUME      0x806
  24 #define ASC_CHAN        0x807   /* ??? */
  25
  26
  27 #endif