// SPDX-License-Identifier: MIT
/*
 * Machine driver for AMD ACP Audio engine using Realtek RT5645 codec
 *
 * Copyright 2017 Advanced Micro Devices, Inc.
 *
 * This file is modified from rt288 machine driver
 */

#include <sound/core.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/acpi.h>

#include "../codecs/rt5645.h"

#define CZ_PLAT_CLK 24000000

static struct snd_soc_jack cz_jack;
static struct snd_soc_jack_pin cz_jack_pins[] = {
        {
                .pin = "Headphones",
                .mask = SND_JACK_HEADPHONE,
        },
        {
                .pin = "Headset Mic",
                .mask = SND_JACK_MICROPHONE,
        },
};

static int cz_aif1_hw_params(struct snd_pcm_substream *substream,
                             struct snd_pcm_hw_params *params)
{
        int ret = 0;
        struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
        struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);

        ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
                                  CZ_PLAT_CLK, params_rate(params) * 512);
        if (ret < 0) {
                dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
                return ret;
        }

        ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
                                params_rate(params) * 512, SND_SOC_CLOCK_OUT);
        if (ret < 0) {
                dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
                return ret;
        }

        return ret;
}

static int cz_init(struct snd_soc_pcm_runtime *rtd)
{
        int ret;
        struct snd_soc_card *card;
        struct snd_soc_component *codec;

        codec = snd_soc_rtd_to_codec(rtd, 0)->component;
        card = rtd->card;

        ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
                                         SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
                                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
                                         SND_JACK_BTN_2 | SND_JACK_BTN_3,
                                         &cz_jack,
                                         cz_jack_pins,
                                         ARRAY_SIZE(cz_jack_pins));
        if (ret) {
                dev_err(card->dev, "HP jack creation failed %d\n", ret);
                return ret;
        }

        rt5645_set_jack_detect(codec, &cz_jack, &cz_jack, &cz_jack);

        return 0;
}

static const struct snd_soc_ops cz_aif1_ops = {
        .hw_params = cz_aif1_hw_params,
};

SND_SOC_DAILINK_DEF(designware1,
        DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1")));
SND_SOC_DAILINK_DEF(designware2,
        DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2")));

SND_SOC_DAILINK_DEF(codec,
        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1")));

SND_SOC_DAILINK_DEF(platform,
        DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0")));

static struct snd_soc_dai_link cz_dai_rt5650[] = {
        {
                .name = "amd-rt5645-play",
                .stream_name = "RT5645_AIF1",
                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
                                | SND_SOC_DAIFMT_CBP_CFP,
                .init = cz_init,
                .ops = &cz_aif1_ops,
                SND_SOC_DAILINK_REG(designware1, codec, platform),
        },
        {
                .name = "amd-rt5645-cap",
                .stream_name = "RT5645_AIF1",
                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
                                | SND_SOC_DAIFMT_CBP_CFP,
                .ops = &cz_aif1_ops,
                SND_SOC_DAILINK_REG(designware2, codec, platform),
        },
};

static const struct snd_soc_dapm_widget cz_widgets[] = {
        SND_SOC_DAPM_HP("Headphones", NULL),
        SND_SOC_DAPM_SPK("Speakers", NULL),
        SND_SOC_DAPM_MIC("Headset Mic", NULL),
        SND_SOC_DAPM_MIC("Int Mic", NULL),
};

static const struct snd_soc_dapm_route cz_audio_route[] = {
        {"Headphones", NULL, "HPOL"},
        {"Headphones", NULL, "HPOR"},
        {"RECMIXL", NULL, "Headset Mic"},
        {"RECMIXR", NULL, "Headset Mic"},
        {"Speakers", NULL, "SPOL"},
        {"Speakers", NULL, "SPOR"},
        {"DMIC L2", NULL, "Int Mic"},
        {"DMIC R2", NULL, "Int Mic"},
};

static const struct snd_kcontrol_new cz_mc_controls[] = {
        SOC_DAPM_PIN_SWITCH("Headphones"),
        SOC_DAPM_PIN_SWITCH("Speakers"),
        SOC_DAPM_PIN_SWITCH("Headset Mic"),
        SOC_DAPM_PIN_SWITCH("Int Mic"),
};

static struct snd_soc_card cz_card = {
        .name = "acprt5650",
        .owner = THIS_MODULE,
        .dai_link = cz_dai_rt5650,
        .num_links = ARRAY_SIZE(cz_dai_rt5650),
        .dapm_widgets = cz_widgets,
        .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
        .dapm_routes = cz_audio_route,
        .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
        .controls = cz_mc_controls,
        .num_controls = ARRAY_SIZE(cz_mc_controls),
};

static int cz_probe(struct platform_device *pdev)
{
        int ret;
        struct snd_soc_card *card;

        card = &cz_card;
        cz_card.dev = &pdev->dev;
        platform_set_drvdata(pdev, card);
        ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);
        if (ret) {
                dev_err(&pdev->dev,
                                "devm_snd_soc_register_card(%s) failed: %d\n",
                                cz_card.name, ret);
                return ret;
        }
        return 0;
}

#ifdef CONFIG_ACPI
static const struct acpi_device_id cz_audio_acpi_match[] = {
        { "AMDI1002", 0 },
        {},
};
MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
#endif

static struct platform_driver cz_pcm_driver = {
        .driver = {
                .name = "cz-rt5645",
                .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
                .pm = &snd_soc_pm_ops,
        },
        .probe = cz_probe,
};

module_platform_driver(cz_pcm_driver);

MODULE_AUTHOR("akshu.agrawal@amd.com");
MODULE_DESCRIPTION("cz-rt5645 audio support");
MODULE_LICENSE("GPL v2");