include/dt-bindings/dma/dw-dmac.h

File Facts

System

Linux kernel

Corpus path

include/dt-bindings/dma/dw-dmac.h

Extension

.h

Size

532 bytes

Lines

15

Domain

Repository Root And Misc

Bucket

include

Inferred role

Repository Root And Misc: implementation source

Status

source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

• Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#ifndef __DT_BINDINGS_DMA_DW_DMAC_H__
#define __DT_BINDINGS_DMA_DW_DMAC_H__

/*
 * Protection Control bits provide protection against illegal transactions.
 * The protection bits[0:2] are one-to-one mapped to AHB HPROT[3:1] signals.
 */
#define DW_DMAC_HPROT1_PRIVILEGED_MODE	(1 << 0)	/* Privileged Mode */
#define DW_DMAC_HPROT2_BUFFERABLE	(1 << 1)	/* DMA is bufferable */
#define DW_DMAC_HPROT3_CACHEABLE	(1 << 2)	/* DMA is cacheable */

#endif /* __DT_BINDINGS_DMA_DW_DMAC_H__ */

Annotation

• Atlas domain: Repository Root And Misc / include.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.