// SPDX-License-Identifier: GPL-2.0-only
//
// CS35L56 ALSA SoC audio driver I2C binding
//
// Copyright (C) 2023 Cirrus Logic, Inc. and
//                    Cirrus Logic International Semiconductor Ltd.

#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/types.h>

#include "cs35l56.h"

static int cs35l56_i2c_probe(struct i2c_client *client)
{
        unsigned int id = (u32)(uintptr_t)i2c_get_match_data(client);
        struct cs35l56_private *cs35l56;
        struct device *dev = &client->dev;
        const struct regmap_config *regmap_config;
        int ret;

        cs35l56 = devm_kzalloc(dev, sizeof(struct cs35l56_private), GFP_KERNEL);
        if (!cs35l56)
                return -ENOMEM;

        cs35l56->base.dev = dev;
        cs35l56->base.can_hibernate = true;

        i2c_set_clientdata(client, cs35l56);

        switch (id) {
        case 0x3556:
                regmap_config = &cs35l56_regmap_i2c;
                cs35l56->base.type = 0x56;
                break;
        case 0x3563:
                regmap_config = &cs35l63_regmap_i2c;
                cs35l56->base.type = 0x63;
                break;
        default:
                return -ENODEV;
        }

        cs35l56->base.regmap = devm_regmap_init_i2c(client, regmap_config);
        if (IS_ERR(cs35l56->base.regmap)) {
                ret = PTR_ERR(cs35l56->base.regmap);
                return dev_err_probe(cs35l56->base.dev, ret, "Failed to allocate register map\n");
        }

        ret = cs35l56_common_probe(cs35l56);
        if (ret != 0)
                return ret;

        ret = cs35l56_irq_request(&cs35l56->base, client->irq);
        if (ret < 0)
                cs35l56_remove(cs35l56);

        return ret;
}

static void cs35l56_i2c_remove(struct i2c_client *client)
{
        struct cs35l56_private *cs35l56 = i2c_get_clientdata(client);

        cs35l56_remove(cs35l56);
}

static const struct i2c_device_id cs35l56_id_i2c[] = {
        { .name = "cs35l56", .driver_data = 0x3556 },
        { .name = "cs35l63", .driver_data = 0x3563 },
        { }
};
MODULE_DEVICE_TABLE(i2c, cs35l56_id_i2c);

#ifdef CONFIG_ACPI
static const struct acpi_device_id cs35l56_asoc_acpi_match[] = {
        { "CSC355C", 0x3556 },
        { "CSC356C", 0x3563 },
        {},
};
MODULE_DEVICE_TABLE(acpi, cs35l56_asoc_acpi_match);
#endif

static struct i2c_driver cs35l56_i2c_driver = {
        .driver = {
                .name           = "cs35l56",
                .pm = pm_ptr(&cs35l56_pm_ops_i2c_spi),
                .acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match),
        },
        .id_table       = cs35l56_id_i2c,
        .probe          = cs35l56_i2c_probe,
        .remove         = cs35l56_i2c_remove,
};

module_i2c_driver(cs35l56_i2c_driver);

MODULE_DESCRIPTION("ASoC CS35L56 I2C driver");
MODULE_IMPORT_NS("SND_SOC_CS35L56_CORE");
MODULE_IMPORT_NS("SND_SOC_CS35L56_SHARED");
MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
MODULE_LICENSE("GPL");