drivers/staging/media/atomisp/pci/isp/kernels/sc/sc_1.0/ia_css_sc.host.c

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/isp/kernels/sc/sc_1.0/ia_css_sc.host.c

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/isp/kernels/sc/sc_1.0/ia_css_sc.host.c
Extension
.c
Size
2369 bytes
Lines
83
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

// SPDX-License-Identifier: GPL-2.0
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#include "ia_css_types.h"
#include "sh_css_defs.h"
#include "ia_css_debug.h"
#include "assert_support.h"

#define IA_CSS_INCLUDE_CONFIGURATIONS
#include "ia_css_isp_configs.h"

#include "ia_css_sc.host.h"

void
ia_css_sc_encode(
    struct sh_css_isp_sc_params *to,
    struct ia_css_shading_table **from,
    unsigned int size)
{
	(void)size;
	to->gain_shift = (*from)->fraction_bits;
}

void
ia_css_sc_dump(
    const struct sh_css_isp_sc_params *sc,
    unsigned int level)
{
	if (!sc) return;
	ia_css_debug_dtrace(level, "Shading Correction:\n");
	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
			    "sc_gain_shift", sc->gain_shift);
}

/* ------ deprecated(bz675) : from ------ */
/* It looks like @parameter{} (in *.pipe) is used to generate the process/get/set functions,
   for parameters which should be used in the isp kernels.
   However, the ia_css_shading_settings structure has a parameter which is used only in the css,
   and does not have a parameter which is used in the isp kernels.
   Then, I did not use @parameter{} to generate the get/set function
   for the ia_css_shading_settings structure. (michie) */
void
sh_css_get_shading_settings(const struct ia_css_isp_parameters *params,
			    struct ia_css_shading_settings *settings)
{
	if (!settings)
		return;
	assert(params);

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_get_shading_settings() enter: settings=%p\n", settings);

	*settings = params->shading_settings;

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_get_shading_settings() leave: settings.enable_shading_table_conversion=%d\n",
			    settings->enable_shading_table_conversion);
}

void
sh_css_set_shading_settings(struct ia_css_isp_parameters *params,
			    const struct ia_css_shading_settings *settings)
{
	if (!settings)
		return;
	assert(params);

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_set_shading_settings() enter: settings.enable_shading_table_conversion=%d\n",
			    settings->enable_shading_table_conversion);

	params->shading_settings = *settings;
	params->shading_settings_changed = true;

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_set_shading_settings() leave: return_void\n");
}

/* ------ deprecated(bz675) : to ------ */

Annotation

Implementation Notes