drivers/clk/mediatek/clk-mt8188-vdo1.c

Source file repositories/reference/linux-study-clean/drivers/clk/mediatek/clk-mt8188-vdo1.c

File Facts

System
Linux kernel
Corpus path
drivers/clk/mediatek/clk-mt8188-vdo1.c
Extension
.c
Size
7276 bytes
Lines
168
Domain
Driver Families
Bucket
drivers/clk
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
/*
 * Copyright (c) 2022 MediaTek Inc.
 * Author: Garmin Chang <garmin.chang@mediatek.com>
 */

#include <linux/clk-provider.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>

#include <dt-bindings/clock/mediatek,mt8188-clk.h>

#include "clk-gate.h"
#include "clk-mtk.h"

static const struct mtk_gate_regs vdo1_0_cg_regs = {
	.set_ofs = 0x104,
	.clr_ofs = 0x108,
	.sta_ofs = 0x100,
};

static const struct mtk_gate_regs vdo1_1_cg_regs = {
	.set_ofs = 0x114,
	.clr_ofs = 0x118,
	.sta_ofs = 0x110,
};

static const struct mtk_gate_regs vdo1_2_cg_regs = {
	.set_ofs = 0x124,
	.clr_ofs = 0x128,
	.sta_ofs = 0x120,
};

static const struct mtk_gate_regs vdo1_3_cg_regs = {
	.set_ofs = 0x134,
	.clr_ofs = 0x138,
	.sta_ofs = 0x130,
};

static const struct mtk_gate_regs vdo1_4_cg_regs = {
	.set_ofs = 0x144,
	.clr_ofs = 0x148,
	.sta_ofs = 0x140,
};

static const struct mtk_gate_regs vdo1_5_cg_regs = {
	.set_ofs = 0x400,
	.clr_ofs = 0x400,
	.sta_ofs = 0x400,
};

#define GATE_VDO1_0(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &vdo1_0_cg_regs, _shift, &mtk_clk_gate_ops_setclr)

#define GATE_VDO1_1(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &vdo1_1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)

#define GATE_VDO1_2(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &vdo1_2_cg_regs, _shift, &mtk_clk_gate_ops_setclr)

#define GATE_VDO1_3(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &vdo1_3_cg_regs, _shift, &mtk_clk_gate_ops_setclr)

#define GATE_VDO1_3_FLAGS(_id, _name, _parent, _shift, _flags)		\
	GATE_MTK_FLAGS(_id, _name, _parent, &vdo1_3_cg_regs, _shift,	\
		       &mtk_clk_gate_ops_setclr, _flags)

#define GATE_VDO1_4(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &vdo1_4_cg_regs, _shift, &mtk_clk_gate_ops_setclr)

#define GATE_VDO1_5(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &vdo1_5_cg_regs, _shift, &mtk_clk_gate_ops_setclr)

static const struct mtk_gate vdo1_clks[] = {
	/* VDO1_0 */
	GATE_VDO1_0(CLK_VDO1_SMI_LARB2, "vdo1_smi_larb2", "top_vpp", 0),
	GATE_VDO1_0(CLK_VDO1_SMI_LARB3, "vdo1_smi_larb3", "top_vpp", 1),
	GATE_VDO1_0(CLK_VDO1_GALS, "vdo1_gals", "top_vpp", 2),
	GATE_VDO1_0(CLK_VDO1_FAKE_ENG0, "vdo1_fake_eng0", "top_vpp", 3),
	GATE_VDO1_0(CLK_VDO1_FAKE_ENG1, "vdo1_fake_eng1", "top_vpp", 4),
	GATE_VDO1_0(CLK_VDO1_MDP_RDMA0, "vdo1_mdp_rdma0", "top_vpp", 5),
	GATE_VDO1_0(CLK_VDO1_MDP_RDMA1, "vdo1_mdp_rdma1", "top_vpp", 6),
	GATE_VDO1_0(CLK_VDO1_MDP_RDMA2, "vdo1_mdp_rdma2", "top_vpp", 7),
	GATE_VDO1_0(CLK_VDO1_MDP_RDMA3, "vdo1_mdp_rdma3", "top_vpp", 8),
	GATE_VDO1_0(CLK_VDO1_VPP_MERGE0, "vdo1_vpp_merge0", "top_vpp", 9),
	GATE_VDO1_0(CLK_VDO1_VPP_MERGE1, "vdo1_vpp_merge1", "top_vpp", 10),
	GATE_VDO1_0(CLK_VDO1_VPP_MERGE2, "vdo1_vpp_merge2", "top_vpp", 11),
	/* VDO1_1 */
	GATE_VDO1_1(CLK_VDO1_VPP_MERGE3, "vdo1_vpp_merge3", "top_vpp", 0),
	GATE_VDO1_1(CLK_VDO1_VPP_MERGE4, "vdo1_vpp_merge4", "top_vpp", 1),

Annotation

Implementation Notes