// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (c) 2021 MediaTek Inc.
// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>

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

#include <dt-bindings/clock/mt8195-clk.h>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>

static const struct mtk_gate_regs vdec0_cg_regs = {
        .set_ofs = 0x0,
        .clr_ofs = 0x4,
        .sta_ofs = 0x0,
};

static const struct mtk_gate_regs vdec1_cg_regs = {
        .set_ofs = 0x200,
        .clr_ofs = 0x204,
        .sta_ofs = 0x200,
};

static const struct mtk_gate_regs vdec2_cg_regs = {
        .set_ofs = 0x8,
        .clr_ofs = 0xc,
        .sta_ofs = 0x8,
};

#define GATE_VDEC0(_id, _name, _parent, _shift)                 \
        GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)

#define GATE_VDEC1(_id, _name, _parent, _shift)                 \
        GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)

#define GATE_VDEC2(_id, _name, _parent, _shift)                 \
        GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)

static const struct mtk_gate vdec_clks[] = {
        /* VDEC0 */
        GATE_VDEC0(CLK_VDEC_VDEC, "vdec_vdec", "top_vdec", 0),
        /* VDEC1 */
        GATE_VDEC1(CLK_VDEC_LAT, "vdec_lat", "top_vdec", 0),
        /* VDEC2 */
        GATE_VDEC2(CLK_VDEC_LARB1, "vdec_larb1", "top_vdec", 0),
};

static const struct mtk_gate vdec_core1_clks[] = {
        /* VDEC0 */
        GATE_VDEC0(CLK_VDEC_CORE1_VDEC, "vdec_core1_vdec", "top_vdec", 0),
        /* VDEC1 */
        GATE_VDEC1(CLK_VDEC_CORE1_LAT, "vdec_core1_lat", "top_vdec", 0),
        /* VDEC2 */
        GATE_VDEC2(CLK_VDEC_CORE1_LARB1, "vdec_core1_larb1", "top_vdec", 0),
};

static const struct mtk_gate vdec_soc_clks[] = {
        /* VDEC0 */
        GATE_VDEC0(CLK_VDEC_SOC_VDEC, "vdec_soc_vdec", "top_vdec", 0),
        /* VDEC1 */
        GATE_VDEC1(CLK_VDEC_SOC_LAT, "vdec_soc_lat", "top_vdec", 0),
        /* VDEC2 */
        GATE_VDEC2(CLK_VDEC_SOC_LARB1, "vdec_soc_larb1", "top_vdec", 0),
};

static const struct mtk_clk_desc vdec_desc = {
        .clks = vdec_clks,
        .num_clks = ARRAY_SIZE(vdec_clks),
};

static const struct mtk_clk_desc vdec_core1_desc = {
        .clks = vdec_core1_clks,
        .num_clks = ARRAY_SIZE(vdec_core1_clks),
};

static const struct mtk_clk_desc vdec_soc_desc = {
        .clks = vdec_soc_clks,
        .num_clks = ARRAY_SIZE(vdec_soc_clks),
};

static const struct of_device_id of_match_clk_mt8195_vdec[] = {
        {
                .compatible = "mediatek,mt8195-vdecsys",
                .data = &vdec_desc,
        }, {
                .compatible = "mediatek,mt8195-vdecsys_core1",
                .data = &vdec_core1_desc,
        }, {
                .compatible = "mediatek,mt8195-vdecsys_soc",
                .data = &vdec_soc_desc,
        }, {
                /* sentinel */
        }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_vdec);

static struct platform_driver clk_mt8195_vdec_drv = {
        .probe = mtk_clk_simple_probe,
        .remove = mtk_clk_simple_remove,
        .driver = {
                .name = "clk-mt8195-vdec",
                .of_match_table = of_match_clk_mt8195_vdec,
        },
};
module_platform_driver(clk_mt8195_vdec_drv);

MODULE_DESCRIPTION("MediaTek MT8195 Video Decoders clocks driver");
MODULE_LICENSE("GPL");