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
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