/*
 * Generic DWMAC platform driver
 *
 * Copyright (C) 2007-2011  STMicroelectronics Ltd
 * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>

#include "stmmac.h"
#include "stmmac_platform.h"

static int dwmac_generic_probe(struct platform_device *pdev)
{
        struct plat_stmmacenet_data *plat_dat;
        struct stmmac_resources stmmac_res;
        int ret;

        ret = stmmac_get_platform_resources(pdev, &stmmac_res);
        if (ret)
                return ret;

        if (pdev->dev.of_node) {
                plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
                if (IS_ERR(plat_dat)) {
                        dev_err(&pdev->dev, "dt configuration failed\n");
                        return PTR_ERR(plat_dat);
                }
        } else {
                plat_dat = dev_get_platdata(&pdev->dev);
                if (!plat_dat) {
                        dev_err(&pdev->dev, "no platform data provided\n");
                        return  -EINVAL;
                }

                /* Set default value for multicast hash bins */
                plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;

                /* Set default value for unicast filter entries */
                plat_dat->unicast_filter_entries = 1;
        }

        return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
}

static const struct of_device_id dwmac_generic_match[] = {
        { .compatible = "st,spear600-gmac"},
        { .compatible = "snps,dwmac-3.40a"},
        { .compatible = "snps,dwmac-3.50a"},
        { .compatible = "snps,dwmac-3.610"},
        { .compatible = "snps,dwmac-3.70a"},
        { .compatible = "snps,dwmac-3.710"},
        { .compatible = "snps,dwmac-3.72a"},
        { .compatible = "snps,dwmac-4.00"},
        { .compatible = "snps,dwmac-4.10a"},
        { .compatible = "snps,dwmac"},
        { .compatible = "snps,dwxgmac-2.10"},
        { .compatible = "snps,dwxgmac"},
        { }
};
MODULE_DEVICE_TABLE(of, dwmac_generic_match);

static struct platform_driver dwmac_generic_driver = {
        .probe  = dwmac_generic_probe,
        .driver = {
                .name           = STMMAC_RESOURCE_NAME,
                .pm             = &stmmac_pltfr_pm_ops,
                .of_match_table = dwmac_generic_match,
        },
};
module_platform_driver(dwmac_generic_driver);

MODULE_DESCRIPTION("Generic dwmac driver");
MODULE_LICENSE("GPL v2");