diff options
Diffstat (limited to 'arch/m68k/include/asm/mac_asc.h')
| -rw-r--r-- | arch/m68k/include/asm/mac_asc.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/mac_asc.h b/arch/m68k/include/asm/mac_asc.h new file mode 100644 index 000000000..075990251 --- /dev/null +++ b/arch/m68k/include/asm/mac_asc.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Apple Sound Chip + */ + +#ifndef __ASM_MAC_ASC_H +#define __ASM_MAC_ASC_H + +/* + * ASC offsets and controls + */ + +#define ASC_BUF_BASE 0x00 /* RAM buffer offset */ +#define ASC_BUF_SIZE 0x800 + +#define ASC_CONTROL 0x800 +#define ASC_CONTROL_OFF 0x00 +#define ASC_FREQ(chan,byte) ((0x810)+((chan)<<3)+(byte)) +#define ASC_ENABLE 0x801 +#define ASC_ENABLE_SAMPLE 0x02 +#define ASC_MODE 0x802 +#define ASC_MODE_SAMPLE 0x02 + +#define ASC_VOLUME 0x806 +#define ASC_CHAN 0x807 /* ??? */ + + +#endif |