// SPDX-License-Identifier: GPL-2.0-only

#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/reset.h>
#include <net/dsa.h>

#include "mt7530.h"

static const struct of_device_id mt7988_of_match[] = {
        { .compatible = "airoha,an7583-switch", .data = &mt753x_table[ID_AN7583], },
        { .compatible = "airoha,en7581-switch", .data = &mt753x_table[ID_EN7581], },
        { .compatible = "mediatek,mt7988-switch", .data = &mt753x_table[ID_MT7988], },
        { /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, mt7988_of_match);

static const struct regmap_config sw_regmap_config = {
        .name = "switch",
        .reg_bits = 16,
        .val_bits = 32,
        .reg_stride = 4,
        .max_register = MT7530_CREV,
};

static int
mt7988_probe(struct platform_device *pdev)
{
        struct mt7530_priv *priv;
        void __iomem *base_addr;
        int ret;

        priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
        if (!priv)
                return -ENOMEM;

        priv->bus = NULL;
        priv->dev = &pdev->dev;

        ret = mt7530_probe_common(priv);
        if (ret)
                return ret;

        priv->rstc = devm_reset_control_get(&pdev->dev, NULL);
        if (IS_ERR(priv->rstc)) {
                dev_err(&pdev->dev, "Couldn't get our reset line\n");
                return PTR_ERR(priv->rstc);
        }

        base_addr = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(base_addr)) {
                dev_err(&pdev->dev, "cannot request I/O memory space\n");
                return -ENXIO;
        }

        priv->regmap = devm_regmap_init_mmio(&pdev->dev, base_addr,
                                             &sw_regmap_config);
        if (IS_ERR(priv->regmap))
                return PTR_ERR(priv->regmap);

        return dsa_register_switch(priv->ds);
}

static void mt7988_remove(struct platform_device *pdev)
{
        struct mt7530_priv *priv = platform_get_drvdata(pdev);

        if (priv)
                mt7530_remove_common(priv);
}

static void mt7988_shutdown(struct platform_device *pdev)
{
        struct mt7530_priv *priv = platform_get_drvdata(pdev);

        if (!priv)
                return;

        dsa_switch_shutdown(priv->ds);

        dev_set_drvdata(&pdev->dev, NULL);
}

static struct platform_driver mt7988_platform_driver = {
        .probe  = mt7988_probe,
        .remove = mt7988_remove,
        .shutdown = mt7988_shutdown,
        .driver = {
                .name = "mt7530-mmio",
                .of_match_table = mt7988_of_match,
        },
};
module_platform_driver(mt7988_platform_driver);

MODULE_AUTHOR("Daniel Golle <daniel@makrotopia.org>");
MODULE_DESCRIPTION("Driver for Mediatek MT7530 Switch (MMIO)");
MODULE_LICENSE("GPL");