drivers/media/platform/qcom/camss/camss-vfe-vbif.c

Source file repositories/reference/linux-study-clean/drivers/media/platform/qcom/camss/camss-vfe-vbif.c

File Facts

System
Linux kernel
Corpus path
drivers/media/platform/qcom/camss/camss-vfe-vbif.c
Extension
.c
Size
650 bytes
Lines
32
Domain
Driver Families
Bucket
drivers/media
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-only
/*
 * camss-vfe-vbif.c
 *
 * Qualcomm MSM Camera Subsystem - VFE VBIF Module
 *
 * Copyright (c) 2025, The Linux Foundation. All rights reserved.
 *
 */

#include <linux/io.h>

#include "camss.h"
#include "camss-vfe.h"
#include "camss-vfe-vbif.h"

#define VBIF_FIXED_SORT_EN	0x30
#define VBIF_FIXED_SORT_SEL0	0x34

void vfe_vbif_write_reg(struct vfe_device *vfe, u32 reg, u32 val)
{
	writel_relaxed(val, vfe->vbif_base + reg);
}

int vfe_vbif_apply_settings(struct vfe_device *vfe)
{
	vfe_vbif_write_reg(vfe, VBIF_FIXED_SORT_EN, 0xfff);
	vfe_vbif_write_reg(vfe, VBIF_FIXED_SORT_SEL0, 0x555000);

	return 0;
}

Annotation

Implementation Notes