// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * wm8727.c
 *
 *  Created on: 15-Oct-2009
 *      Author: neil.jones@imgtec.com
 *
 * Copyright (C) 2009 Imagination Technologies Ltd.
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/initval.h>
#include <sound/soc.h>

static const struct snd_soc_dapm_widget wm8727_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("VOUTL"),
SND_SOC_DAPM_OUTPUT("VOUTR"),
};

static const struct snd_soc_dapm_route wm8727_dapm_routes[] = {
        { "VOUTL", NULL, "Playback" },
        { "VOUTR", NULL, "Playback" },
};

/*
 * Note this is a simple chip with no configuration interface, sample rate is
 * determined automatically by examining the Master clock and Bit clock ratios
 */
#define WM8727_RATES  (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
                        SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\
                        SNDRV_PCM_RATE_192000)

static struct snd_soc_dai_driver wm8727_dai = {
        .name = "wm8727-hifi",
        .playback = {
                .stream_name = "Playback",
                .channels_min = 2,
                .channels_max = 2,
                .rates = WM8727_RATES,
                .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
                },
};

static const struct snd_soc_component_driver soc_component_dev_wm8727 = {
        .dapm_widgets           = wm8727_dapm_widgets,
        .num_dapm_widgets       = ARRAY_SIZE(wm8727_dapm_widgets),
        .dapm_routes            = wm8727_dapm_routes,
        .num_dapm_routes        = ARRAY_SIZE(wm8727_dapm_routes),
        .idle_bias_on           = 1,
        .use_pmdown_time        = 1,
        .endianness             = 1,
};

static int wm8727_probe(struct platform_device *pdev)
{
        return devm_snd_soc_register_component(&pdev->dev,
                        &soc_component_dev_wm8727, &wm8727_dai, 1);
}

static struct platform_driver wm8727_codec_driver = {
        .driver = {
                        .name = "wm8727",
        },

        .probe = wm8727_probe,
};

module_platform_driver(wm8727_codec_driver);

MODULE_DESCRIPTION("ASoC wm8727 driver");
MODULE_AUTHOR("Neil Jones");
MODULE_LICENSE("GPL");