mac_asc.h (520B)
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