drivers/staging/media/atomisp/pci/isp/kernels/gc/gc_2/ia_css_gc2.host.c

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/isp/kernels/gc/gc_2/ia_css_gc2.host.c

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/isp/kernels/gc/gc_2/ia_css_gc2.host.c
Extension
.c
Size
2116 bytes
Lines
102
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"
#ifndef IA_CSS_NO_DEBUG
/* FIXME: See BZ 4427 */
#include "ia_css_debug.h"
#endif
#include "csc/csc_1.0/ia_css_csc.host.h"
#include "vamem.h"

#include "ia_css_gc2.host.h"

const struct ia_css_cc_config default_yuv2rgb_cc_config = {
	12,
	{4096, -4096, 4096, 4096, 4096, 0, 4096, -4096, -4096}
};

const struct ia_css_cc_config default_rgb2yuv_cc_config = {
	13,
	{2449, 4809, 934, -1382, -2714, 4096, 4096, -3430, -666}
};

void
ia_css_yuv2rgb_encode(
    struct sh_css_isp_csc_params *to,
    const struct ia_css_cc_config *from,
    unsigned int size)
{
	ia_css_encode_cc(to, from, size);
}

void
ia_css_rgb2yuv_encode(
    struct sh_css_isp_csc_params *to,
    const struct ia_css_cc_config *from,
    unsigned int size)
{
	ia_css_encode_cc(to, from, size);
}

void
ia_css_r_gamma_vamem_encode(
    struct sh_css_isp_rgb_gamma_vamem_params *to,
    const struct ia_css_rgb_gamma_table *from,
    unsigned int size)
{
	(void)size;
	memcpy(&to->gc,  &from->data, sizeof(to->gc));
}

void
ia_css_g_gamma_vamem_encode(
    struct sh_css_isp_rgb_gamma_vamem_params *to,
    const struct ia_css_rgb_gamma_table *from,
    unsigned int size)
{
	(void)size;
	memcpy(&to->gc,  &from->data, sizeof(to->gc));
}

void
ia_css_b_gamma_vamem_encode(
    struct sh_css_isp_rgb_gamma_vamem_params *to,
    const struct ia_css_rgb_gamma_table *from,
    unsigned int size)
{
	(void)size;
	memcpy(&to->gc,  &from->data, sizeof(to->gc));
}

#ifndef IA_CSS_NO_DEBUG
void
ia_css_yuv2rgb_dump(
    const struct sh_css_isp_csc_params *yuv2rgb,
    unsigned int level)
{
	ia_css_cc_dump(yuv2rgb, level, "YUV to RGB Conversion");
}

void
ia_css_rgb2yuv_dump(
    const struct sh_css_isp_csc_params *rgb2yuv,
    unsigned int level)
{
	ia_css_cc_dump(rgb2yuv, level, "RGB to YUV Conversion");

Annotation

Implementation Notes