drivers/gpu/host1x/hw/hw_host1x01_channel.h

Source file repositories/reference/linux-study-clean/drivers/gpu/host1x/hw/hw_host1x01_channel.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/host1x/hw/hw_host1x01_channel.h
Extension
.h
Size
3274 bytes
Lines
109
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 __hw_host1x_channel_host1x_h__
#define __hw_host1x_channel_host1x_h__

static inline u32 host1x_channel_fifostat_r(void)
{
	return 0x0;
}
#define HOST1X_CHANNEL_FIFOSTAT \
	host1x_channel_fifostat_r()
static inline u32 host1x_channel_fifostat_cfempty_v(u32 r)
{
	return (r >> 10) & 0x1;
}
#define HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(r) \
	host1x_channel_fifostat_cfempty_v(r)
static inline u32 host1x_channel_dmastart_r(void)
{
	return 0x14;
}
#define HOST1X_CHANNEL_DMASTART \
	host1x_channel_dmastart_r()
static inline u32 host1x_channel_dmaput_r(void)
{
	return 0x18;
}
#define HOST1X_CHANNEL_DMAPUT \
	host1x_channel_dmaput_r()
static inline u32 host1x_channel_dmaget_r(void)
{
	return 0x1c;
}
#define HOST1X_CHANNEL_DMAGET \
	host1x_channel_dmaget_r()
static inline u32 host1x_channel_dmaend_r(void)
{
	return 0x20;
}
#define HOST1X_CHANNEL_DMAEND \
	host1x_channel_dmaend_r()
static inline u32 host1x_channel_dmactrl_r(void)
{
	return 0x24;
}
#define HOST1X_CHANNEL_DMACTRL \
	host1x_channel_dmactrl_r()
static inline u32 host1x_channel_dmactrl_dmastop(void)
{
	return 1 << 0;
}
#define HOST1X_CHANNEL_DMACTRL_DMASTOP \
	host1x_channel_dmactrl_dmastop()
static inline u32 host1x_channel_dmactrl_dmastop_v(u32 r)
{
	return (r >> 0) & 0x1;
}
#define HOST1X_CHANNEL_DMACTRL_DMASTOP_V(r) \
	host1x_channel_dmactrl_dmastop_v(r)
static inline u32 host1x_channel_dmactrl_dmagetrst(void)
{
	return 1 << 1;
}
#define HOST1X_CHANNEL_DMACTRL_DMAGETRST \
	host1x_channel_dmactrl_dmagetrst()
static inline u32 host1x_channel_dmactrl_dmainitget(void)
{
	return 1 << 2;
}
#define HOST1X_CHANNEL_DMACTRL_DMAINITGET \
	host1x_channel_dmactrl_dmainitget()
#endif

Annotation

Implementation Notes