linux/arch/m68k/include/asm/mac_asc.h
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   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
  28