drivers/gpu/host1x/hw/hw_host1x08_vm.h

Source file repositories/reference/linux-study-clean/drivers/gpu/host1x/hw/hw_host1x08_vm.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/host1x/hw/hw_host1x08_vm.h
Extension
.h
Size
1587 bytes
Lines
37
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

#define HOST1X_CHANNEL_DMASTART				0x0000
#define HOST1X_CHANNEL_DMASTART_HI			0x0004
#define HOST1X_CHANNEL_DMAPUT				0x0008
#define HOST1X_CHANNEL_DMAPUT_HI			0x000c
#define HOST1X_CHANNEL_DMAGET				0x0010
#define HOST1X_CHANNEL_DMAGET_HI			0x0014
#define HOST1X_CHANNEL_DMAEND				0x0018
#define HOST1X_CHANNEL_DMAEND_HI			0x001c
#define HOST1X_CHANNEL_DMACTRL				0x0020
#define HOST1X_CHANNEL_DMACTRL_DMASTOP			BIT(0)
#define HOST1X_CHANNEL_DMACTRL_DMAGETRST		BIT(1)
#define HOST1X_CHANNEL_DMACTRL_DMAINITGET		BIT(2)
#define HOST1X_CHANNEL_CMDFIFO_STAT			0x0024
#define HOST1X_CHANNEL_CMDFIFO_STAT_EMPTY		BIT(13)
#define HOST1X_CHANNEL_CMDFIFO_RDATA			0x0028
#define HOST1X_CHANNEL_CMDP_OFFSET			0x0030
#define HOST1X_CHANNEL_CMDP_CLASS			0x0034
#define HOST1X_CHANNEL_CHANNELSTAT			0x0038
#define HOST1X_CHANNEL_CMDPROC_STOP			0x0048
#define HOST1X_CHANNEL_TEARDOWN				0x004c
#define HOST1X_CHANNEL_SMMU_STREAMID			0x0084

#define HOST1X_SYNC_SYNCPT_CPU_INCR(x)			(0x6400 + 4 * (x))
#define HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(x)	(0x6600 + 4 * (x))
#define HOST1X_SYNC_SYNCPT_INTR_DEST(x)			(0x6684 + 4 * (x))
#define HOST1X_SYNC_SYNCPT_THRESH_INT_ENABLE_CPU0(x)	(0x770c + 4 * (x))
#define HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(x)	(0x7790 + 4 * (x))
#define HOST1X_SYNC_SYNCPT(x)				(0x8080 + 4 * (x))
#define HOST1X_SYNC_SYNCPT_INT_THRESH(x)		(0xa088 + 4 * (x))
#define HOST1X_SYNC_SYNCPT_CH_APP(x)			(0xb090 + 4 * (x))
#define HOST1X_SYNC_SYNCPT_CH_APP_CH(v)			(((v) & 0x3f) << 8)

Annotation

Implementation Notes