// SPDX-License-Identifier: GPL-2.0-only
/*
 * Synopsys G210 Test Chip driver
 *
 * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com)
 *
 * Authors: Joao Pinto <jpinto@synopsys.com>
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>

#include "ufshcd-pltfrm.h"
#include "ufshcd-dwc.h"
#include "tc-dwc-g210.h"

/*
 * UFS DWC specific variant operations
 */
static struct ufs_hba_variant_ops tc_dwc_g210_20bit_pltfm_hba_vops = {
        .name                   = "tc-dwc-g210-pltfm",
        .link_startup_notify    = ufshcd_dwc_link_startup_notify,
        .phy_initialization = tc_dwc_g210_config_20_bit,
};

static struct ufs_hba_variant_ops tc_dwc_g210_40bit_pltfm_hba_vops = {
        .name                   = "tc-dwc-g210-pltfm",
        .link_startup_notify    = ufshcd_dwc_link_startup_notify,
        .phy_initialization = tc_dwc_g210_config_40_bit,
};

static const struct of_device_id tc_dwc_g210_pltfm_match[] = {
        {
                .compatible = "snps,g210-tc-6.00-20bit",
                .data = &tc_dwc_g210_20bit_pltfm_hba_vops,
        },
        {
                .compatible = "snps,g210-tc-6.00-40bit",
                .data = &tc_dwc_g210_40bit_pltfm_hba_vops,
        },
        { },
};
MODULE_DEVICE_TABLE(of, tc_dwc_g210_pltfm_match);

/**
 * tc_dwc_g210_pltfm_probe()
 * @pdev: pointer to platform device structure
 *
 */
static int tc_dwc_g210_pltfm_probe(struct platform_device *pdev)
{
        int err;
        const struct of_device_id *of_id;
        struct ufs_hba_variant_ops *vops;
        struct device *dev = &pdev->dev;

        of_id = of_match_node(tc_dwc_g210_pltfm_match, dev->of_node);
        vops = (struct ufs_hba_variant_ops *)of_id->data;

        /* Perform generic probe */
        err = ufshcd_pltfrm_init(pdev, vops);
        if (err)
                dev_err(dev, "ufshcd_pltfrm_init() failed %d\n", err);

        return err;
}

/**
 * tc_dwc_g210_pltfm_remove()
 * @pdev: pointer to platform device structure
 *
 */
static void tc_dwc_g210_pltfm_remove(struct platform_device *pdev)
{
        ufshcd_pltfrm_remove(pdev);
}

static const struct dev_pm_ops tc_dwc_g210_pltfm_pm_ops = {
        SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
        SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
};

static struct platform_driver tc_dwc_g210_pltfm_driver = {
        .probe          = tc_dwc_g210_pltfm_probe,
        .remove         = tc_dwc_g210_pltfm_remove,
        .driver         = {
                .name   = "tc-dwc-g210-pltfm",
                .pm     = &tc_dwc_g210_pltfm_pm_ops,
                .of_match_table = of_match_ptr(tc_dwc_g210_pltfm_match),
        },
};

module_platform_driver(tc_dwc_g210_pltfm_driver);

MODULE_ALIAS("platform:tc-dwc-g210-pltfm");
MODULE_DESCRIPTION("Synopsys Test Chip G210 platform glue driver");
MODULE_AUTHOR("Joao Pinto <Joao.Pinto@synopsys.com>");
MODULE_LICENSE("Dual BSD/GPL");