xref: /openbmc/linux/arch/m68k/include/asm/mac_asc.h (revision 49148020)
149148020SSam Ravnborg /*
249148020SSam Ravnborg  *	Apple Sound Chip
349148020SSam Ravnborg  */
449148020SSam Ravnborg 
549148020SSam Ravnborg #ifndef __ASM_MAC_ASC_H
649148020SSam Ravnborg #define __ASM_MAC_ASC_H
749148020SSam Ravnborg 
849148020SSam Ravnborg /*
949148020SSam Ravnborg  *	ASC offsets and controls
1049148020SSam Ravnborg  */
1149148020SSam Ravnborg 
1249148020SSam Ravnborg #define ASC_BUF_BASE	0x00	/* RAM buffer offset */
1349148020SSam Ravnborg #define ASC_BUF_SIZE	0x800
1449148020SSam Ravnborg 
1549148020SSam Ravnborg #define ASC_CONTROL	0x800
1649148020SSam Ravnborg #define ASC_CONTROL_OFF		0x00
1749148020SSam Ravnborg #define ASC_FREQ(chan,byte)	((0x810)+((chan)<<3)+(byte))
1849148020SSam Ravnborg #define ASC_ENABLE	0x801
1949148020SSam Ravnborg #define ASC_ENABLE_SAMPLE	0x02
2049148020SSam Ravnborg #define ASC_MODE	0x802
2149148020SSam Ravnborg #define ASC_MODE_SAMPLE		0x02
2249148020SSam Ravnborg 
2349148020SSam Ravnborg #define ASC_VOLUME	0x806
2449148020SSam Ravnborg #define ASC_CHAN	0x807	/* ??? */
2549148020SSam Ravnborg 
2649148020SSam Ravnborg 
2749148020SSam Ravnborg #endif
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