drivers/staging/media/atomisp/pci/camera/pipe/src/pipe_stagedesc.c

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/camera/pipe/src/pipe_stagedesc.c

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/camera/pipe/src/pipe_stagedesc.c
Extension
.c
Size
2644 bytes
Lines
87
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_pipe_stagedesc.h"
#include "assert_support.h"
#include "ia_css_debug.h"

void ia_css_pipe_get_generic_stage_desc(
    struct ia_css_pipeline_stage_desc *stage_desc,
    struct ia_css_binary *binary,
    struct ia_css_frame *out_frame[],
    struct ia_css_frame *in_frame,
    struct ia_css_frame *vf_frame)
{
	unsigned int i;

	IA_CSS_ENTER_PRIVATE("stage_desc = %p, binary = %p, out_frame = %p, in_frame = %p, vf_frame = %p",
			     stage_desc, binary, out_frame, in_frame, vf_frame);

	assert(stage_desc && binary && binary->info);
	if (!stage_desc || !binary || !binary->info) {
		IA_CSS_ERROR("invalid arguments");
		goto ERR;
	}

	stage_desc->binary = binary;
	stage_desc->firmware = NULL;
	stage_desc->sp_func = IA_CSS_PIPELINE_NO_FUNC;
	stage_desc->max_input_width = 0;
	stage_desc->mode = binary->info->sp.pipeline.mode;
	stage_desc->in_frame = in_frame;
	for (i = 0; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++)
		stage_desc->out_frame[i] = out_frame[i];
	stage_desc->vf_frame = vf_frame;
ERR:
	IA_CSS_LEAVE_PRIVATE("");
}

void ia_css_pipe_get_firmwares_stage_desc(
    struct ia_css_pipeline_stage_desc *stage_desc,
    struct ia_css_binary *binary,
    struct ia_css_frame *out_frame[],
    struct ia_css_frame *in_frame,
    struct ia_css_frame *vf_frame,
    const struct ia_css_fw_info *fw,
    unsigned int mode)
{
	unsigned int i;

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
			    "ia_css_pipe_get_firmwares_stage_desc() enter:\n");
	stage_desc->binary = binary;
	stage_desc->firmware = fw;
	stage_desc->sp_func = IA_CSS_PIPELINE_NO_FUNC;
	stage_desc->max_input_width = 0;
	stage_desc->mode = mode;
	stage_desc->in_frame = in_frame;
	for (i = 0; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++)
		stage_desc->out_frame[i] = out_frame[i];
	stage_desc->vf_frame = vf_frame;
}

void ia_css_pipe_get_sp_func_stage_desc(
    struct ia_css_pipeline_stage_desc *stage_desc,
    struct ia_css_frame *out_frame,
    enum ia_css_pipeline_stage_sp_func sp_func,
    unsigned int max_input_width)
{
	unsigned int i;

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
			    "ia_css_pipe_get_sp_func_stage_desc() enter:\n");
	stage_desc->binary = NULL;
	stage_desc->firmware = NULL;
	stage_desc->sp_func = sp_func;
	stage_desc->max_input_width = max_input_width;
	stage_desc->mode = (unsigned int)-1;
	stage_desc->in_frame = NULL;
	stage_desc->out_frame[0] = out_frame;
	for (i = 1; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++)
		stage_desc->out_frame[i] = NULL;
	stage_desc->vf_frame = NULL;
}

Annotation

Implementation Notes