drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_private.h
Extension
.h
Size
845 bytes
Lines
34
Domain
Driver Families
Bucket
drivers/staging
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 __DMA_PRIVATE_H_INCLUDED__
#define __DMA_PRIVATE_H_INCLUDED__

#include "dma_public.h"

#include "device_access.h"

#include "assert_support.h"

STORAGE_CLASS_DMA_C void dma_reg_store(const dma_ID_t ID,
				       const unsigned int reg,
				       const hrt_data value)
{
	assert(ID < N_DMA_ID);
	assert(DMA_BASE[ID] != (hrt_address) - 1);
	ia_css_device_store_uint32(DMA_BASE[ID] + reg * sizeof(hrt_data), value);
}

STORAGE_CLASS_DMA_C hrt_data dma_reg_load(const dma_ID_t ID,
	const unsigned int reg)
{
	assert(ID < N_DMA_ID);
	assert(DMA_BASE[ID] != (hrt_address) - 1);
	return ia_css_device_load_uint32(DMA_BASE[ID] + reg * sizeof(hrt_data));
}

#endif /* __DMA_PRIVATE_H_INCLUDED__ */

Annotation

Implementation Notes