arch/m68k/include/asm/mac_asc.h

Source file repositories/reference/linux-study-clean/arch/m68k/include/asm/mac_asc.h

File Facts

System
Linux kernel
Corpus path
arch/m68k/include/asm/mac_asc.h
Extension
.h
Size
520 bytes
Lines
29
Domain
Architecture Layer
Bucket
arch/m68k
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __ASM_MAC_ASC_H
#define __ASM_MAC_ASC_H

/*
 *	ASC offsets and controls
 */

#define ASC_BUF_BASE	0x00	/* RAM buffer offset */
#define ASC_BUF_SIZE	0x800

#define ASC_CONTROL	0x800
#define ASC_CONTROL_OFF		0x00
#define ASC_FREQ(chan,byte)	((0x810)+((chan)<<3)+(byte))
#define ASC_ENABLE	0x801
#define ASC_ENABLE_SAMPLE	0x02
#define ASC_MODE	0x802
#define ASC_MODE_SAMPLE		0x02

#define ASC_VOLUME	0x806
#define ASC_CHAN	0x807	/* ??? */


#endif

Annotation

Implementation Notes