drivers/interconnect/mediatek/mt8195.c

Source file repositories/reference/linux-study-clean/drivers/interconnect/mediatek/mt8195.c

File Facts

System
Linux kernel
Corpus path
drivers/interconnect/mediatek/mt8195.c
Extension
.c
Size
6907 bytes
Lines
340
Domain
Driver Families
Bucket
drivers/interconnect
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
/*
 * Copyright (c) 2021 MediaTek Inc.
 * Copyright (c) 2024 Collabora Ltd.
 *                    AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 */

#include <linux/device.h>
#include <linux/interconnect.h>
#include <linux/interconnect-provider.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <dt-bindings/interconnect/mediatek,mt8195.h>

#include "icc-emi.h"

static struct mtk_icc_node ddr_emi = {
	.name = "ddr-emi",
	.id = SLAVE_DDR_EMI,
	.ep = 1,
};

static struct mtk_icc_node mcusys = {
	.name = "mcusys",
	.id = MASTER_MCUSYS,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node gpu = {
	.name = "gpu",
	.id = MASTER_GPUSYS,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mmsys = {
	.name = "mmsys",
	.id = MASTER_MMSYS,
	.ep = 0,
	.num_links = 1,
	.links = { SLAVE_DDR_EMI }
};

static struct mtk_icc_node mm_vpu = {
	.name = "mm-vpu",
	.id = MASTER_MM_VPU,
	.ep = 0,
	.num_links = 1,
	.links = { MASTER_MMSYS }
};

static struct mtk_icc_node mm_disp = {
	.name = "mm-disp",
	.id = MASTER_MM_DISP,
	.ep = 0,
	.num_links = 1,
	.links = { MASTER_MMSYS }
};

static struct mtk_icc_node mm_vdec = {
	.name = "mm-vdec",
	.id = MASTER_MM_VDEC,
	.ep = 0,
	.num_links = 1,
	.links = { MASTER_MMSYS }
};

static struct mtk_icc_node mm_venc = {
	.name = "mm-venc",
	.id = MASTER_MM_VENC,
	.ep = 0,
	.num_links = 1,
	.links = { MASTER_MMSYS }
};

static struct mtk_icc_node mm_cam = {
	.name = "mm-cam",
	.id = MASTER_MM_CAM,
	.ep = 0,
	.num_links = 1,
	.links = { MASTER_MMSYS }
};

static struct mtk_icc_node mm_img = {
	.name = "mm-img",
	.id = MASTER_MM_IMG,

Annotation

Implementation Notes