xref: /openbmc/linux/arch/m68k/include/asm/mac_asc.h (revision 49148020)
1 /*
2  *	Apple Sound Chip
3  */
4 
5 #ifndef __ASM_MAC_ASC_H
6 #define __ASM_MAC_ASC_H
7 
8 /*
9  *	ASC offsets and controls
10  */
11 
12 #define ASC_BUF_BASE	0x00	/* RAM buffer offset */
13 #define ASC_BUF_SIZE	0x800
14 
15 #define ASC_CONTROL	0x800
16 #define ASC_CONTROL_OFF		0x00
17 #define ASC_FREQ(chan,byte)	((0x810)+((chan)<<3)+(byte))
18 #define ASC_ENABLE	0x801
19 #define ASC_ENABLE_SAMPLE	0x02
20 #define ASC_MODE	0x802
21 #define ASC_MODE_SAMPLE		0x02
22 
23 #define ASC_VOLUME	0x806
24 #define ASC_CHAN	0x807	/* ??? */
25 
26 
27 #endif
28