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

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

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/hive_isp_css_common/host/sp_private.h
Extension
.h
Size
3616 bytes
Lines
159
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 __SP_PRIVATE_H_INCLUDED__
#define __SP_PRIVATE_H_INCLUDED__

#include "sp_public.h"

#include "device_access.h"

#include "assert_support.h"

STORAGE_CLASS_SP_C void sp_ctrl_store(
    const sp_ID_t		ID,
    const hrt_address	reg,
    const hrt_data		value)
{
	assert(ID < N_SP_ID);
	assert(SP_CTRL_BASE[ID] != (hrt_address)-1);
	ia_css_device_store_uint32(SP_CTRL_BASE[ID] + reg * sizeof(hrt_data), value);
	return;
}

STORAGE_CLASS_SP_C hrt_data sp_ctrl_load(
    const sp_ID_t		ID,
    const hrt_address	reg)
{
	assert(ID < N_SP_ID);
	assert(SP_CTRL_BASE[ID] != (hrt_address)-1);
	return ia_css_device_load_uint32(SP_CTRL_BASE[ID] + reg * sizeof(hrt_data));
}

STORAGE_CLASS_SP_C bool sp_ctrl_getbit(
    const sp_ID_t		ID,
    const hrt_address	reg,
    const unsigned int	bit)
{
	hrt_data val = sp_ctrl_load(ID, reg);

	return (val & (1UL << bit)) != 0;
}

STORAGE_CLASS_SP_C void sp_ctrl_setbit(
    const sp_ID_t		ID,
    const hrt_address	reg,
    const unsigned int	bit)
{
	hrt_data	data = sp_ctrl_load(ID, reg);

	sp_ctrl_store(ID, reg, (data | (1UL << bit)));
	return;
}

STORAGE_CLASS_SP_C void sp_ctrl_clearbit(
    const sp_ID_t		ID,
    const hrt_address	reg,
    const unsigned int	bit)
{
	hrt_data	data = sp_ctrl_load(ID, reg);

	sp_ctrl_store(ID, reg, (data & ~(1UL << bit)));
	return;
}

STORAGE_CLASS_SP_C void sp_dmem_store(
    const sp_ID_t		ID,
    hrt_address		addr,
    const void			*data,
    const size_t		size)
{
	assert(ID < N_SP_ID);
	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
	ia_css_device_store(SP_DMEM_BASE[ID] + addr, data, size);
	return;
}

STORAGE_CLASS_SP_C void sp_dmem_load(
    const sp_ID_t		ID,
    const hrt_address	addr,
    void				*data,
    const size_t		size)
{
	assert(ID < N_SP_ID);
	assert(SP_DMEM_BASE[ID] != (hrt_address)-1);
	ia_css_device_load(SP_DMEM_BASE[ID] + addr, data, size);
	return;
}

STORAGE_CLASS_SP_C void sp_dmem_store_uint8(
    const sp_ID_t		ID,
    hrt_address		addr,
    const uint8_t		data)
{

Annotation

Implementation Notes