// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2024-2025 Intel Corporation
//
// Author: Cezary Rojewski <cezary.rojewski@intel.com>
//

#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../utils.h"

static const struct snd_soc_dapm_widget card_widgets[] = {
        SND_SOC_DAPM_HP("CPB Stereo HP 1", NULL),
        SND_SOC_DAPM_HP("CPB Stereo HP 2", NULL),
        SND_SOC_DAPM_HP("CPB Stereo HP 3", NULL),
        SND_SOC_DAPM_LINE("CPB Line Out", NULL),
        SND_SOC_DAPM_MIC("CPB Stereo Mic 1", NULL),
        SND_SOC_DAPM_MIC("CPB Stereo Mic 2", NULL),
        SND_SOC_DAPM_LINE("CPB Line In", NULL),
};

static const struct snd_soc_dapm_route card_routes[] = {
        { "CPB Stereo HP 1", NULL, "AOUT1L" },
        { "CPB Stereo HP 1", NULL, "AOUT1R" },
        { "CPB Stereo HP 2", NULL, "AOUT2L" },
        { "CPB Stereo HP 2", NULL, "AOUT2R" },
        { "CPB Stereo HP 3", NULL, "AOUT3L" },
        { "CPB Stereo HP 3", NULL, "AOUT3R" },
        { "CPB Line Out", NULL, "AOUT4L" },
        { "CPB Line Out", NULL, "AOUT4R" },

        { "AIN1L", NULL, "CPB Stereo Mic 1" },
        { "AIN1R", NULL, "CPB Stereo Mic 1" },
        { "AIN2L", NULL, "CPB Stereo Mic 2" },
        { "AIN2R", NULL, "CPB Stereo Mic 2" },
        { "AIN3L", NULL, "CPB Line In" },
        { "AIN3R", NULL, "CPB Line In" },
};

static int avs_pcm3168a_be_fixup(struct snd_soc_pcm_runtime *runtime,
                                 struct snd_pcm_hw_params *params)
{
        struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);

        /* Set SSP to 24 bit. */
        snd_mask_none(fmt);
        snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);

        return 0;
}

SND_SOC_DAILINK_DEF(pcm3168a_dac,
                    DAILINK_COMP_ARRAY(COMP_CODEC("i2c-PCM3168A:00", "pcm3168a-dac")));
SND_SOC_DAILINK_DEF(pcm3168a_adc,
                    DAILINK_COMP_ARRAY(COMP_CODEC("i2c-PCM3168A:00", "pcm3168a-adc")));
SND_SOC_DAILINK_DEF(cpu_ssp0, DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
SND_SOC_DAILINK_DEF(cpu_ssp2, DAILINK_COMP_ARRAY(COMP_CPU("SSP2 Pin")));

static int avs_create_dai_links(struct device *dev, struct snd_soc_dai_link **links, int *num_links)
{
        struct snd_soc_dai_link_component *platform;
        struct snd_soc_dai_link *dl;
        const int num_dl = 2;

        dl = devm_kcalloc(dev, num_dl, sizeof(*dl), GFP_KERNEL);
        platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
        if (!dl || !platform)
                return -ENOMEM;

        platform->name = dev_name(dev);
        dl[0].num_cpus = 1;
        dl[0].num_codecs = 1;
        dl[0].platforms = platform;
        dl[0].num_platforms = 1;
        dl[0].dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;
        dl[0].be_hw_params_fixup = avs_pcm3168a_be_fixup;
        dl[0].nonatomic = 1;
        dl[0].no_pcm = 1;
        memcpy(&dl[1], &dl[0], sizeof(*dl));

        dl[0].name = "SSP0-Codec-dac";
        dl[0].cpus = cpu_ssp0;
        dl[0].codecs = pcm3168a_dac;
        dl[1].name = "SSP2-Codec-adc";
        dl[1].cpus = cpu_ssp2;
        dl[1].codecs = pcm3168a_adc;

        *links = dl;
        *num_links = num_dl;
        return 0;
}

static int avs_pcm3168a_probe(struct platform_device *pdev)
{
        struct snd_soc_acpi_mach *mach;
        struct avs_mach_pdata *pdata;
        struct device *dev = &pdev->dev;
        struct snd_soc_card *card;
        int ret;

        mach = dev_get_platdata(dev);
        pdata = mach->pdata;

        card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
        if (!card)
                return -ENOMEM;

        ret = avs_create_dai_links(dev, &card->dai_link, &card->num_links);
        if (ret)
                return ret;

        if (pdata->obsolete_card_names) {
                card->name = "avs_pcm3168a";
        } else {
                card->driver_name = "avs_pcm3168a";
                card->long_name = card->name = "AVS I2S PCM3168A";
        }
        card->dev = dev;
        card->owner = THIS_MODULE;
        card->dapm_widgets = card_widgets;
        card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
        card->dapm_routes = card_routes;
        card->num_dapm_routes = ARRAY_SIZE(card_routes);
        card->fully_routed = true;

        return devm_snd_soc_register_deferrable_card(dev, card);
}

static const struct platform_device_id avs_pcm3168a_driver_ids[] = {
        {
                .name = "avs_pcm3168a",
        },
        {},
};
MODULE_DEVICE_TABLE(platform, avs_pcm3168a_driver_ids);

static struct platform_driver avs_pcm3168a_driver = {
        .probe = avs_pcm3168a_probe,
        .driver = {
                .name = "avs_pcm3168a",
                .pm = &snd_soc_pm_ops,
        },
        .id_table = avs_pcm3168a_driver_ids,
};

module_platform_driver(avs_pcm3168a_driver);

MODULE_DESCRIPTION("Intel pcm3168a machine driver");
MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
MODULE_LICENSE("GPL");