// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (c) Intel Corporation, 2022
// Copyright Everest Semiconductor Co.,Ltd

#include <linux/module.h>
#include <linux/acpi.h>
#include "es83xx-dsm-common.h"

/* UUID ("a9800c04-e016-343e-41f4-6bcce70f4332") */
static const guid_t es83xx_dsm_guid =
        GUID_INIT(0xa9800c04, 0xe016, 0x343e,
                  0x41, 0xf4, 0x6b, 0xcc, 0xe7, 0x0f, 0x43, 0x32);

#define ES83xx_DSM_REVID 1

int es83xx_dsm(struct device *dev, int arg, int *value)
{
        acpi_handle dhandle;
        union acpi_object *obj;
        int ret = 0;

        dhandle = ACPI_HANDLE(dev);
        if (!dhandle)
                return -ENOENT;

        obj = acpi_evaluate_dsm(dhandle, &es83xx_dsm_guid, ES83xx_DSM_REVID,
                                arg, NULL);
        if (!obj) {
                dev_err(dev, "%s: acpi_evaluate_dsm() failed\n", __func__);
                ret = -EINVAL;
                goto out;
        }

        if (obj->type != ACPI_TYPE_INTEGER) {
                dev_err(dev, "%s: object is not ACPI_TYPE_INTEGER\n", __func__);
                ret = -EINVAL;
                goto err;
        }

        *value = obj->integer.value;
err:
        ACPI_FREE(obj);
out:
        return ret;
}
EXPORT_SYMBOL_GPL(es83xx_dsm);

int es83xx_dsm_dump(struct device *dev)
{
        int value;
        int ret;

        ret = es83xx_dsm(dev, PLATFORM_MAINMIC_TYPE_ARG, &value);
        if (ret < 0)
                return ret;
        dev_info(dev, "PLATFORM_MAINMIC_TYPE %#x\n", value);

        ret = es83xx_dsm(dev, PLATFORM_HPMIC_TYPE_ARG, &value);
        if (ret < 0)
                return ret;
        dev_info(dev, "PLATFORM_HPMIC_TYPE %#x\n", value);

        ret = es83xx_dsm(dev, PLATFORM_SPK_TYPE_ARG, &value);
        if (ret < 0)
                return ret;
        dev_info(dev, "PLATFORM_SPK_TYPE %#x\n", value);

        ret = es83xx_dsm(dev, PLATFORM_HPDET_INV_ARG, &value);
        if (ret < 0)
                return ret;
        dev_info(dev, "PLATFORM_HPDET_INV %#x\n", value);

        ret = es83xx_dsm(dev, PLATFORM_PCM_TYPE_ARG, &value);
        if (ret < 0)
                return ret;
        dev_info(dev, "PLATFORM_PCM_TYPE %#x\n", value);

        ret = es83xx_dsm(dev, PLATFORM_MIC_DE_POP_ARG, &value);
        if (ret < 0)
                return ret;
        dev_info(dev, "PLATFORM_MIC_DE_POP %#x\n", value);

        return 0;
}
EXPORT_SYMBOL_GPL(es83xx_dsm_dump);

MODULE_DESCRIPTION("Everest Semi ES83xx DSM helpers");
MODULE_LICENSE("GPL");