drivers/gpu/drm/amd/amdkfd/cik_regs.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdkfd/cik_regs.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdkfd/cik_regs.h
Extension
.h
Size
2455 bytes
Lines
72
Domain
Driver Families
Bucket
drivers/gpu
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 CIK_REGS_H
#define CIK_REGS_H

/* if PTR32, these are the bases for scratch and lds */
#define	PRIVATE_BASE(x)					((x) << 0) /* scratch */
#define	SHARED_BASE(x)					((x) << 16) /* LDS */
#define	PTR32						(1 << 0)
#define	ALIGNMENT_MODE(x)				((x) << 2)
#define	SH_MEM_ALIGNMENT_MODE_UNALIGNED			3
#define	DEFAULT_MTYPE(x)				((x) << 4)
#define	APE1_MTYPE(x)					((x) << 7)

/* valid for both DEFAULT_MTYPE and APE1_MTYPE */
#define	MTYPE_CACHED_NV					0
#define	MTYPE_CACHED					1
#define	MTYPE_NONCACHED					3

#define	DEFAULT_CP_HQD_PERSISTENT_STATE			(0x33U << 8)
#define	PRELOAD_REQ					(1 << 0)

#define	MQD_CONTROL_PRIV_STATE_EN			(1U << 8)

#define	DEFAULT_MIN_IB_AVAIL_SIZE			(3U << 20)

#define	IB_ATC_EN					(1U << 23)

#define	QUANTUM_EN					1U
#define	QUANTUM_SCALE_1MS				(1U << 4)
#define	QUANTUM_DURATION(x)				((x) << 8)

#define	RPTR_BLOCK_SIZE(x)				((x) << 8)
#define	MIN_AVAIL_SIZE(x)				((x) << 20)
#define	DEFAULT_RPTR_BLOCK_SIZE				RPTR_BLOCK_SIZE(5)
#define	DEFAULT_MIN_AVAIL_SIZE				MIN_AVAIL_SIZE(3)

#define	PQ_ATC_EN					(1 << 23)
#define	NO_UPDATE_RPTR					(1 << 27)

#define	DOORBELL_OFFSET(x)				((x) << 2)
#define	DOORBELL_EN					(1 << 30)

#define	PRIV_STATE					(1 << 30)
#define	KMD_QUEUE					(1 << 31)

#define	AQL_ENABLE					1

#define GRBM_GFX_INDEX					0x30800

#endif

Annotation

Implementation Notes