sound/soc/spear/spdif_in_regs.h

Source file repositories/reference/linux-study-clean/sound/soc/spear/spdif_in_regs.h

File Facts

System
Linux kernel
Corpus path
sound/soc/spear/spdif_in_regs.h
Extension
.h
Size
1333 bytes
Lines
48
Domain
Driver Families
Bucket
sound/soc
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef SPDIF_IN_REGS_H
#define SPDIF_IN_REGS_H

#define SPDIF_IN_CTRL		0x00
	#define SPDIF_IN_PRTYEN		(1 << 20)
	#define SPDIF_IN_STATEN		(1 << 19)
	#define SPDIF_IN_USREN		(1 << 18)
	#define SPDIF_IN_VALEN		(1 << 17)
	#define SPDIF_IN_BLKEN		(1 << 16)

	#define SPDIF_MODE_24BIT	(8 << 12)
	#define SPDIF_MODE_23BIT	(7 << 12)
	#define SPDIF_MODE_22BIT	(6 << 12)
	#define SPDIF_MODE_21BIT	(5 << 12)
	#define SPDIF_MODE_20BIT	(4 << 12)
	#define SPDIF_MODE_19BIT	(3 << 12)
	#define SPDIF_MODE_18BIT	(2 << 12)
	#define SPDIF_MODE_17BIT	(1 << 12)
	#define SPDIF_MODE_16BIT	(0 << 12)
	#define SPDIF_MODE_MASK		(0x0F << 12)

	#define SPDIF_IN_VALID		(1 << 11)
	#define SPDIF_IN_SAMPLE		(1 << 10)
	#define SPDIF_DATA_SWAP		(1 << 9)
	#define SPDIF_IN_ENB		(1 << 8)
	#define SPDIF_DATA_REVERT	(1 << 7)
	#define SPDIF_XTRACT_16BIT	(1 << 6)
	#define SPDIF_FIFO_THRES_16	(16 << 0)

#define SPDIF_IN_IRQ_MASK	0x04
#define SPDIF_IN_IRQ		0x08
	#define SPDIF_IRQ_FIFOWRITE	(1 << 0)
	#define SPDIF_IRQ_EMPTYFIFOREAD	(1 << 1)
	#define SPDIF_IRQ_FIFOFULL	(1 << 2)
	#define SPDIF_IRQ_OUTOFRANGE	(1 << 3)

#define SPDIF_IN_STA		0x0C
	#define SPDIF_IN_LOCK		(0x1 << 0)

#endif /* SPDIF_IN_REGS_H */

Annotation

Implementation Notes