// SPDX-License-Identifier: GPL-2.0+
//
// Lowland audio support
//
// Copyright 2011 Wolfson Microelectronics

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/module.h>

#include "../codecs/wm5100.h"
#include "../codecs/wm9081.h"

#define MCLK1_RATE (44100 * 512)
#define CLKOUT_RATE (44100 * 256)

static struct snd_soc_jack lowland_headset;

/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin lowland_headset_pins[] = {
        {
                .pin = "Headphone",
                .mask = SND_JACK_HEADPHONE,
        },
        {
                .pin = "Headset Mic",
                .mask = SND_JACK_MICROPHONE,
        },
        {
                .pin = "Line Out",
                .mask = SND_JACK_LINEOUT,
        },
};

static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
{
        struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
        int ret;

        ret = snd_soc_component_set_sysclk(component, WM5100_CLK_SYSCLK,
                                       WM5100_CLKSRC_MCLK1, MCLK1_RATE,
                                       SND_SOC_CLOCK_IN);
        if (ret < 0) {
                pr_err("Failed to set SYSCLK clock source: %d\n", ret);
                return ret;
        }

        /* Clock OPCLK, used by the other audio components. */
        ret = snd_soc_component_set_sysclk(component, WM5100_CLK_OPCLK, 0,
                                       CLKOUT_RATE, 0);
        if (ret < 0) {
                pr_err("Failed to set OPCLK rate: %d\n", ret);
                return ret;
        }

        ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",
                                         SND_JACK_LINEOUT | SND_JACK_HEADSET |
                                         SND_JACK_BTN_0,
                                         &lowland_headset, lowland_headset_pins,
                                         ARRAY_SIZE(lowland_headset_pins));
        if (ret)
                return ret;

        wm5100_detect(component, &lowland_headset);

        return 0;
}

static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
{
        struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
        struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(rtd->card);

        snd_soc_dapm_disable_pin(dapm, "LINEOUT");

        /* At any time the WM9081 is active it will have this clock */
        return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
                                        CLKOUT_RATE, 0);
}

static const struct snd_soc_pcm_stream sub_params = {
        .formats = SNDRV_PCM_FMTBIT_S32_LE,
        .rate_min = 44100,
        .rate_max = 44100,
        .channels_min = 2,
        .channels_max = 2,
};

SND_SOC_DAILINK_DEFS(cpu,
        DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
        DAILINK_COMP_ARRAY(COMP_CODEC("wm5100.1-001a", "wm5100-aif1")),
        DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));

SND_SOC_DAILINK_DEFS(baseband,
        DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif2")),
        DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));

SND_SOC_DAILINK_DEFS(speaker,
        DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif3")),
        DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));

static struct snd_soc_dai_link lowland_dai[] = {
        {
                .name = "CPU",
                .stream_name = "CPU",
                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
                                SND_SOC_DAIFMT_CBP_CFP,
                .init = lowland_wm5100_init,
                SND_SOC_DAILINK_REG(cpu),
        },
        {
                .name = "Baseband",
                .stream_name = "Baseband",
                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
                                SND_SOC_DAIFMT_CBP_CFP,
                .ignore_suspend = 1,
                SND_SOC_DAILINK_REG(baseband),
        },
        {
                .name = "Sub Speaker",
                .stream_name = "Sub Speaker",
                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
                                SND_SOC_DAIFMT_CBP_CFP,
                .ignore_suspend = 1,
                .c2c_params = &sub_params,
                .num_c2c_params = 1,
                .init = lowland_wm9081_init,
                SND_SOC_DAILINK_REG(speaker),
        },
};

static struct snd_soc_codec_conf lowland_codec_conf[] = {
        {
                .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
                .name_prefix = "Sub",
        },
};

static const struct snd_kcontrol_new controls[] = {
        SOC_DAPM_PIN_SWITCH("Main Speaker"),
        SOC_DAPM_PIN_SWITCH("Main DMIC"),
        SOC_DAPM_PIN_SWITCH("Main AMIC"),
        SOC_DAPM_PIN_SWITCH("WM1250 Input"),
        SOC_DAPM_PIN_SWITCH("WM1250 Output"),
        SOC_DAPM_PIN_SWITCH("Headphone"),
        SOC_DAPM_PIN_SWITCH("Line Out"),
};

static const struct snd_soc_dapm_widget widgets[] = {
        SND_SOC_DAPM_HP("Headphone", NULL),
        SND_SOC_DAPM_MIC("Headset Mic", NULL),
        SND_SOC_DAPM_LINE("Line Out", NULL),

        SND_SOC_DAPM_SPK("Main Speaker", NULL),

        SND_SOC_DAPM_MIC("Main AMIC", NULL),
        SND_SOC_DAPM_MIC("Main DMIC", NULL),
};

static const struct snd_soc_dapm_route audio_paths[] = {
        { "Sub IN1", NULL, "HPOUT2L" },
        { "Sub IN2", NULL, "HPOUT2R" },

        { "Main Speaker", NULL, "Sub SPKN" },
        { "Main Speaker", NULL, "Sub SPKP" },
        { "Main Speaker", NULL, "SPKDAT1" },
};

static struct snd_soc_card lowland = {
        .name = "Lowland",
        .owner = THIS_MODULE,
        .dai_link = lowland_dai,
        .num_links = ARRAY_SIZE(lowland_dai),
        .codec_conf = lowland_codec_conf,
        .num_configs = ARRAY_SIZE(lowland_codec_conf),

        .controls = controls,
        .num_controls = ARRAY_SIZE(controls),
        .dapm_widgets = widgets,
        .num_dapm_widgets = ARRAY_SIZE(widgets),
        .dapm_routes = audio_paths,
        .num_dapm_routes = ARRAY_SIZE(audio_paths),
};

static int lowland_probe(struct platform_device *pdev)
{
        struct snd_soc_card *card = &lowland;
        int ret;

        card->dev = &pdev->dev;

        ret = devm_snd_soc_register_card(&pdev->dev, card);
        if (ret)
                dev_err_probe(&pdev->dev, ret, "snd_soc_register_card() failed\n");

        return ret;
}

static struct platform_driver lowland_driver = {
        .driver = {
                .name = "lowland",
                .pm = &snd_soc_pm_ops,
        },
        .probe = lowland_probe,
};

module_platform_driver(lowland_driver);

MODULE_DESCRIPTION("Lowland audio support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:lowland");