diff -drupN a/sound/soc/sunxi/sunxi-snddmic.c b/sound/soc/sunxi/sunxi-snddmic.c --- a/sound/soc/sunxi/sunxi-snddmic.c 1970-01-01 03:00:00.000000000 +0300 +++ b/sound/soc/sunxi/sunxi-snddmic.c 2022-06-12 05:28:14.000000000 +0300 @@ -0,0 +1,270 @@ +/* + * sound\soc\sunxi\sunxi-snddmic.c + * (C) Copyright 2010-2018 + * Allwinner Technology Co., Ltd. + * huangxin + * wolfgang huang + * yumingfeng + * + * some simple description for this code + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_SND_SUNXI_MAD +#include "sunxi-mad.h" +#endif + +#include "sunxi-snddmic.h" + +static int sunxi_snddmic_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret = 0; + int freq; + + switch (params_rate(params)) { + case 8000: + case 16000: + case 32000: + case 12000: + case 24000: + case 48000: + case 96000: + case 192000: +#if defined(CONFIG_AHUB_FREQ_REQ) + freq = 98304000; +#else + freq = 24576000; +#endif + break; + case 11025: + case 22050: + case 44100: + case 88200: + case 176400: +#if defined(CONFIG_AHUB_FREQ_REQ) + freq = 90316800; +#else + freq = 22579200; +#endif + break; + default: + pr_debug("invalid rate setting\n"); + return -EINVAL; + } + + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, freq, 0); + if (ret < 0) + return ret; + + return 0; +} + +#ifdef CONFIG_SND_SUNXI_MAD +/*enable the snddmic suspend */ +static int sunxi_snddmic_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct sunxi_snddmic_priv *snddmic_priv = + snd_soc_card_get_drvdata(rtd->card); + + if (snddmic_priv->mad_priv.mad_bind == 1) + rtd->dai_link->ignore_suspend = 1; + + return 0; +} + +/*disable the snddmic suspend */ +static void sunxi_snddmic_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct sunxi_snddmic_priv *snddmic_priv = + snd_soc_card_get_drvdata(rtd->card); + + if (snddmic_priv->mad_priv.mad_bind == 1) + rtd->dai_link->ignore_suspend = 0; +} + +/*mad_bind config*/ +static int sunxi_dmic_set_mad_bind(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddmic_priv *snddmic_priv = + snd_soc_card_get_drvdata(card); + + snddmic_priv->mad_priv.mad_bind = ucontrol->value.integer.value[0]; + return 0; +} + +static int sunxi_dmic_get_mad_bind(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddmic_priv *snddmic_priv = + snd_soc_card_get_drvdata(card); + + ucontrol->value.integer.value[0] = snddmic_priv->mad_priv.mad_bind; + return 0; +} + +static const char *mad_bind_function[] = {"mad_unbind", "mad_bind"}; + +static const struct soc_enum mad_bind_enum[] = { + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mad_bind_function), + mad_bind_function), +}; + +/* dmic machine kcontrols */ +static const struct snd_kcontrol_new sunxi_snddmic_controls[] = { + SOC_ENUM_EXT("dmic bind mad function", mad_bind_enum[0], + sunxi_dmic_get_mad_bind, sunxi_dmic_set_mad_bind), +}; +#endif + +static struct snd_soc_ops sunxi_snddmic_ops = { + .hw_params = sunxi_snddmic_hw_params, +#ifdef CONFIG_SND_SUNXI_MAD + .startup = sunxi_snddmic_startup, + .shutdown = sunxi_snddmic_shutdown, +#endif +}; + +static struct snd_soc_dai_link sunxi_snddmic_dai_link = { + .name = "DMIC", + .stream_name = "SUNXI-DMIC", + .cpu_dai_name = "sunxi-dmic", + .platform_name = "sunxi-dmic", + .codec_name = "dmic-codec", + .codec_dai_name = "dmic-hifi", + .ops = &sunxi_snddmic_ops, +}; + +static struct snd_soc_card snd_soc_sunxi_snddmic = { + .name = "snddmic", + .owner = THIS_MODULE, + .dai_link = &sunxi_snddmic_dai_link, + .num_links = 1, +#ifdef CONFIG_SND_SUNXI_MAD + .controls = sunxi_snddmic_controls, + .num_controls = ARRAY_SIZE(sunxi_snddmic_controls), +#endif +}; + +static int sunxi_snddmic_dev_probe(struct platform_device *pdev) +{ + int ret = 0; + struct snd_soc_card *card = &snd_soc_sunxi_snddmic; + struct device_node *np = pdev->dev.of_node; + struct sunxi_snddmic_priv *snddmic_priv; + + snddmic_priv = devm_kzalloc(&pdev->dev, + sizeof(struct sunxi_snddmic_priv), GFP_KERNEL); + if (!snddmic_priv) { + dev_err(card->dev, "Can't malloc the sunxi_snddmic_priv!\n"); + return -ENOMEM; + } + snddmic_priv->card = card; + card->dev = &pdev->dev; + + sunxi_snddmic_dai_link.cpu_dai_name = NULL; + sunxi_snddmic_dai_link.cpu_of_node = of_parse_phandle(np, + "sunxi,dmic-controller", 0); + if (!sunxi_snddmic_dai_link.cpu_of_node) { + dev_err(&pdev->dev, "Property 'sunxi,dmic-controller' missing or invalid\n"); + ret = -EINVAL; + goto err_kfree_snddmic_priv; + } + sunxi_snddmic_dai_link.platform_name = NULL; + sunxi_snddmic_dai_link.platform_of_node = + sunxi_snddmic_dai_link.cpu_of_node; + + snddmic_priv->codec_device = platform_device_alloc("dmic-codec", -1); + if (!snddmic_priv->codec_device) { + dev_err(&pdev->dev, "dmic codec alloc failed\n"); + ret = -ENOMEM; + goto err_kfree_snddmic_priv; + } + + ret = platform_device_add(snddmic_priv->codec_device); + if (ret) { + dev_err(&pdev->dev, "dmic codec add failed\n"); + ret = -EBUSY; + goto err_dmic_put; + } + +#ifdef CONFIG_SND_SUNXI_MAD + snddmic_priv->mad_priv.mad_bind = 0; +#endif + + snd_soc_card_set_drvdata(card, snddmic_priv); + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() fail: %d\n", ret); + ret = -EBUSY; + goto err_dmic_del; + } + return ret; + +err_dmic_del: + platform_device_del(snddmic_priv->codec_device); +err_dmic_put: + platform_device_put(snddmic_priv->codec_device); +err_kfree_snddmic_priv: + devm_kfree(&pdev->dev, snddmic_priv); + return ret; +} + +static int sunxi_snddmic_dev_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + struct sunxi_snddmic_priv *snddmic_priv = + snd_soc_card_get_drvdata(card); + + snd_soc_unregister_card(card); + platform_device_del(snddmic_priv->codec_device); + platform_device_put(snddmic_priv->codec_device); + devm_kfree(&pdev->dev, snddmic_priv); + return 0; +} + +static const struct of_device_id sunxi_dmic_of_match[] = { + { .compatible = "allwinner,sunxi-dmic-machine", }, + {}, +}; + +static struct platform_driver sunxi_dmic_driver = { + .driver = { + .name = "snddmic", + .owner = THIS_MODULE, + .of_match_table = sunxi_dmic_of_match, + .pm = &snd_soc_pm_ops, + }, + .probe = sunxi_snddmic_dev_probe, + .remove = sunxi_snddmic_dev_remove, +}; + +module_platform_driver(sunxi_dmic_driver); + +MODULE_AUTHOR("wolfgang huang "); +MODULE_DESCRIPTION("SUNXI DMIC Machine ASoC driver"); +MODULE_ALIAS("platform:snddmic"); +MODULE_LICENSE("GPL");