xref: /linux/arch/m68k/include/asm/mac_asc.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
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