linux/arch/m68k/include/asm/mac_asc.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 *      Apple Sound Chip
   4 */
   5
   6#ifndef __ASM_MAC_ASC_H
   7#define __ASM_MAC_ASC_H
   8
   9/*
  10 *      ASC offsets and controls
  11 */
  12
  13#define ASC_BUF_BASE    0x00    /* RAM buffer offset */
  14#define ASC_BUF_SIZE    0x800
  15
  16#define ASC_CONTROL     0x800
  17#define ASC_CONTROL_OFF         0x00
  18#define ASC_FREQ(chan,byte)     ((0x810)+((chan)<<3)+(byte))
  19#define ASC_ENABLE      0x801
  20#define ASC_ENABLE_SAMPLE       0x02
  21#define ASC_MODE        0x802
  22#define ASC_MODE_SAMPLE         0x02
  23
  24#define ASC_VOLUME      0x806
  25#define ASC_CHAN        0x807   /* ??? */
  26
  27
  28#endif
  29