// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Intel Corporation Inc.
*/
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/property.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#include "inv_mpu_iio.h"

static const struct regmap_config inv_mpu_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
};

static int inv_mpu_i2c_disable(struct iio_dev *indio_dev)
{
        struct inv_mpu6050_state *st = iio_priv(indio_dev);
        int ret = 0;

        if (st->reg->i2c_if) {
                ret = regmap_write(st->map, st->reg->i2c_if,
                                   INV_ICM20602_BIT_I2C_IF_DIS);
        } else {
                st->chip_config.user_ctrl |= INV_MPU6050_BIT_I2C_IF_DIS;
                ret = regmap_write(st->map, st->reg->user_ctrl,
                                   st->chip_config.user_ctrl);
        }

        return ret;
}

static int inv_mpu_probe(struct spi_device *spi)
{
        const void *match;
        struct regmap *regmap;
        const struct spi_device_id *spi_id;
        const char *name = NULL;
        enum inv_devices chip_type;

        if ((spi_id = spi_get_device_id(spi))) {
                chip_type = (enum inv_devices)spi_id->driver_data;
                name = spi_id->name;
        } else if ((match = device_get_match_data(&spi->dev))) {
                chip_type = (uintptr_t)match;
                name = dev_name(&spi->dev);
        } else {
                return -ENODEV;
        }

        regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config);
        if (IS_ERR(regmap)) {
                dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
                        regmap);
                return PTR_ERR(regmap);
        }

        return inv_mpu_core_probe(regmap, spi->irq, name,
                                  inv_mpu_i2c_disable, chip_type);
}

/*
 * device id table is used to identify what device can be
 * supported by this driver
 */
static const struct spi_device_id inv_mpu_id[] = {
        {"mpu6000", INV_MPU6000},
        {"mpu6500", INV_MPU6500},
        {"mpu6515", INV_MPU6515},
        {"mpu6880", INV_MPU6880},
        {"mpu9250", INV_MPU9250},
        {"mpu9255", INV_MPU9255},
        {"icm20608", INV_ICM20608},
        {"icm20608d", INV_ICM20608D},
        {"icm20609", INV_ICM20609},
        {"icm20689", INV_ICM20689},
        {"icm20600", INV_ICM20600},
        {"icm20602", INV_ICM20602},
        {"icm20690", INV_ICM20690},
        {"iam20380", INV_IAM20380},
        {"iam20680", INV_IAM20680},
        {"iam20680hp", INV_IAM20680HP},
        {"iam20680ht", INV_IAM20680HT},
        { }
};

MODULE_DEVICE_TABLE(spi, inv_mpu_id);

static const struct of_device_id inv_of_match[] = {
        {
                .compatible = "invensense,mpu6000",
                .data = (void *)INV_MPU6000
        },
        {
                .compatible = "invensense,mpu6500",
                .data = (void *)INV_MPU6500
        },
        {
                .compatible = "invensense,mpu6515",
                .data = (void *)INV_MPU6515
        },
        {
                .compatible = "invensense,mpu6880",
                .data = (void *)INV_MPU6880
        },
        {
                .compatible = "invensense,mpu9250",
                .data = (void *)INV_MPU9250
        },
        {
                .compatible = "invensense,mpu9255",
                .data = (void *)INV_MPU9255
        },
        {
                .compatible = "invensense,icm20608",
                .data = (void *)INV_ICM20608
        },
        {
                .compatible = "invensense,icm20608d",
                .data = (void *)INV_ICM20608D
        },
        {
                .compatible = "invensense,icm20609",
                .data = (void *)INV_ICM20609
        },
        {
                .compatible = "invensense,icm20689",
                .data = (void *)INV_ICM20689
        },
        {
                .compatible = "invensense,icm20600",
                .data = (void *)INV_ICM20600
        },
        {
                .compatible = "invensense,icm20602",
                .data = (void *)INV_ICM20602
        },
        {
                .compatible = "invensense,icm20690",
                .data = (void *)INV_ICM20690
        },
        {
                .compatible = "invensense,iam20380",
                .data = (void *)INV_IAM20380
        },
        {
                .compatible = "invensense,iam20680",
                .data = (void *)INV_IAM20680
        },
        {
                .compatible = "invensense,iam20680hp",
                .data = (void *)INV_IAM20680HP
        },
        {
                .compatible = "invensense,iam20680ht",
                .data = (void *)INV_IAM20680HT
        },
        { }
};
MODULE_DEVICE_TABLE(of, inv_of_match);

static const struct acpi_device_id inv_acpi_match[] = {
        {"INVN6000", INV_MPU6000},
        { }
};
MODULE_DEVICE_TABLE(acpi, inv_acpi_match);

static struct spi_driver inv_mpu_driver = {
        .probe          =       inv_mpu_probe,
        .id_table       =       inv_mpu_id,
        .driver = {
                .of_match_table = inv_of_match,
                .acpi_match_table = inv_acpi_match,
                .name   =       "inv-mpu6000-spi",
                .pm     =       pm_ptr(&inv_mpu_pmops),
        },
};

module_spi_driver(inv_mpu_driver);

MODULE_AUTHOR("Adriana Reus <adriana.reus@intel.com>");
MODULE_DESCRIPTION("Invensense device MPU6000 driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("IIO_MPU6050");