diff -drupN a/sound/soc/sunxi/sunxi-snddaudio.c b/sound/soc/sunxi/sunxi-snddaudio.c --- a/sound/soc/sunxi/sunxi-snddaudio.c 1970-01-01 03:00:00.000000000 +0300 +++ b/sound/soc/sunxi/sunxi-snddaudio.c 2022-06-12 05:28:14.000000000 +0300 @@ -0,0 +1,635 @@ +/* + * sound\soc\sunxi\sunxi-snddaudio.c + * (C) Copyright 2014-2018 + * Allwinner Technology Co., Ltd. + * 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. + * + */ +#define DEBUG +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef CONFIG_SND_SUNXI_MAD +#include "sunxi-mad.h" +#endif +#include "sunxi-snddaudio.h" + +static atomic_t daudio_count = ATOMIC_INIT(-1); + +static int sunxi_snddaudio_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 *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_card *card = rtd->card; + unsigned int freq, clk_div; + int ret; +#ifdef USE_ASOC_FMT_SETTING + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(card); + struct platform_data *pdata = &(snddaudio_priv->pdata); +#endif + + switch (params_rate(params)) { + case 8000: + case 16000: + case 32000: + case 64000: + 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: + dev_err(card->dev, "unsupport params rate:%d\n", freq); + return -EINVAL; + } + + /* set platform clk source freq and set the mode as daudio or pcm */ + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, freq, 0); + if (ret < 0) { + dev_warn(card->dev, "cpu_dai set sysclk failed\n"); + return ret; + } + + /* set codec clk source freq and set the mode as daudio or pcm */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, freq, 0); + if (ret < 0) + dev_warn(card->dev, "codec_dai set sysclk failed\n"); + + ret = snd_soc_dai_set_pll(codec_dai, 0, 0, freq, freq); + if (ret < 0) + dev_warn(card->dev, "codec_dai set set_pll failed.\n"); + + /* + * SND_SOC_DAIFMT_I2S + * SND_SOC_DAIFMT_NB_NF + * SND_SOC_DAIFMT_CBS_CFS + */ +#ifdef USE_ASOC_FMT_SETTING + /* set codec dai fmt */ + ret = snd_soc_dai_set_fmt(codec_dai, pdata->audio_format + | (pdata->signal_inversion << SND_SOC_DAIFMT_SIG_SHIFT) + | (pdata->daudio_master << SND_SOC_DAIFMT_MASTER_SHIFT)); + if (ret < 0) + dev_warn(card->dev, "codec dai set fmt failed\n"); + + /* set cpu dai fmt */ + ret = snd_soc_dai_set_fmt(cpu_dai, pdata->audio_format + | (pdata->signal_inversion << SND_SOC_DAIFMT_SIG_SHIFT) + | (pdata->daudio_master << SND_SOC_DAIFMT_MASTER_SHIFT)); + if (ret < 0) + dev_warn(card->dev, "cpu dai set fmt failed\n"); +#else + /* set codec dai fmt */ + ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); + if (ret < 0) + dev_warn(card->dev, "codec dai set fmt failed\n"); +#endif + + /* set system clk div */ + clk_div = freq / params_rate(params); + ret = snd_soc_dai_set_clkdiv(cpu_dai, 0, clk_div); + if (ret < 0) { + dev_warn(card->dev, "cpu_dai set clkdiv failed\n"); + return ret; + } + + ret = snd_soc_dai_set_clkdiv(codec_dai, 0, clk_div); + if (ret < 0) + dev_warn(card->dev, "codec_dai set clkdiv failed\n"); + + return 0; +} + +#ifdef CONFIG_SND_SUNXI_MAD +static int sunxi_snddaudio_mad_init(struct snd_soc_pcm_runtime *rtd) +{ + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(rtd->card); + + snddaudio_priv->mad_priv.mad_bind = 0; + snddaudio_priv->mad_priv.lpsd_chan_sel = 0; + snddaudio_priv->mad_priv.mad_standby_chan_sel = 1; + + return 0; +} +#endif + +static int sunxi_snddaudio_init(struct snd_soc_pcm_runtime *rtd) +{ +#ifdef CONFIG_SND_SUNXI_MAD + sunxi_snddaudio_mad_init(rtd); +#endif + + return 0; +} + +/* enable the snddaudio suspend */ +#ifdef CONFIG_SND_SUNXI_MAD +static int sunxi_snddaudio_mad_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(rtd->card); + + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (snddaudio_priv->mad_priv.mad_bind == 1) + rtd->dai_link->ignore_suspend = 1; + } + + return 0; +} +#endif + +static int sunxi_snddaudio_startup(struct snd_pcm_substream *substream) +{ +#ifdef CONFIG_SND_SUNXI_MAD + sunxi_snddaudio_mad_startup(substream); +#endif + return 0; +} + +/* disable the snddaudio suspend */ +#ifdef CONFIG_SND_SUNXI_MAD +static void sunxi_snddaudio_mad_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(rtd->card); + + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (snddaudio_priv->mad_priv.mad_bind == 1) + rtd->dai_link->ignore_suspend = 0; + } +} +#endif + +static void sunxi_snddaudio_shutdown(struct snd_pcm_substream *substream) +{ +#ifdef CONFIG_SND_SUNXI_MAD + sunxi_snddaudio_mad_shutdown(substream); +#endif +} + +#ifdef CONFIG_SND_SUNXI_MAD +/* mad_bind config*/ +static int sunxi_snddaudio_set_mad_bind(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(card); + + snddaudio_priv->mad_priv.mad_bind = ucontrol->value.integer.value[0]; + + return 0; +} + +static int sunxi_snddaudio_get_mad_bind(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(card); + + ucontrol->value.integer.value[0] = snddaudio_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), +}; + +/*lpsd channel sel*/ +static int sunxi_snddaudio_set_lpsd_chan(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(card); + struct sunxi_mad_priv *mad_priv = &(snddaudio_priv->mad_priv); + + mad_priv->lpsd_chan_sel = ucontrol->value.integer.value[0]; + + return 0; +} + +static int sunxi_snddaudio_get_lpsd_chan(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(card); + struct sunxi_mad_priv *mad_priv = &(snddaudio_priv->mad_priv); + + ucontrol->value.integer.value[0] = mad_priv->lpsd_chan_sel; + + return 0; +} + +static const char *lpsd_chan_sel_function[] = {"0th_chan", "1st_chan", "2nd_chan", + "3rd_chan", "4th_chan", "5th_chan", "6th_chan", "7th_chan", "8th_chan"}; + +static const struct soc_enum lpsd_chan_sel_enum[] = { + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lpsd_chan_sel_function), + lpsd_chan_sel_function), +}; + +/*mad_standby channel sel*/ +static int sunxi_snddaudio_set_mad_standby_chan(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(card); + struct sunxi_mad_priv *mad_priv = &(snddaudio_priv->mad_priv); + + mad_priv->mad_standby_chan_sel = ucontrol->value.integer.value[0]; + sunxi_mad_standby_chan_sel(mad_priv->mad_standby_chan_sel); + + return 0; +} + +static int sunxi_snddaudio_get_mad_standby_chan(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct sunxi_snddaudio_priv *snddaudio_priv = + snd_soc_card_get_drvdata(card); + struct sunxi_mad_priv *mad_priv = &(snddaudio_priv->mad_priv); + + ucontrol->value.integer.value[0] = mad_priv->mad_standby_chan_sel; + + return 0; +} + +static const char *mad_standby_chan_sel_function[] = { + "Zero_chan", "Two_chan", "Four_chan"}; + +static const struct soc_enum mad_standby_chan_sel_enum[] = { + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mad_standby_chan_sel_function), + mad_standby_chan_sel_function), +}; + +/* daudio machine kcontrols */ +static const struct snd_kcontrol_new sunxi_snddaudio_controls[] = { + SOC_ENUM_EXT("daudio bind mad Function", mad_bind_enum[0], + sunxi_snddaudio_get_mad_bind, sunxi_snddaudio_set_mad_bind), + SOC_ENUM_EXT("lpsd channel sel Function", lpsd_chan_sel_enum[0], + sunxi_snddaudio_get_lpsd_chan, sunxi_snddaudio_set_lpsd_chan), + SOC_ENUM_EXT("mad_standby channel sel Function", + mad_standby_chan_sel_enum[0], + sunxi_snddaudio_get_mad_standby_chan, + sunxi_snddaudio_set_mad_standby_chan), +}; +#endif + +static struct snd_soc_ops sunxi_snddaudio_ops = { + .startup = sunxi_snddaudio_startup, + .hw_params = sunxi_snddaudio_hw_params, + .shutdown = sunxi_snddaudio_shutdown, +}; + +static struct snd_soc_dai_link sunxi_snddaudio_dai_link = { + .name = "sysvoice", + .stream_name = "SUNXI-AUDIO", + .cpu_dai_name = "sunxi-daudio", + .platform_name = "sunxi-daudio", + .codec_dai_name = "snd-soc-dummy-dai", + .codec_name = "snd-soc-dummy", + .init = sunxi_snddaudio_init, + .ops = &sunxi_snddaudio_ops, +}; + +static struct snd_soc_card snd_soc_sunxi_snddaudio = { + .name = "snddaudio", + .owner = THIS_MODULE, +#ifdef CONFIG_SND_SUNXI_MAD + .controls = sunxi_snddaudio_controls, + .num_controls = ARRAY_SIZE(sunxi_snddaudio_controls), +#endif +}; + +#ifdef CONFIG_SND_SUNXI_SOC_AHUB +static int sunxi_snddaudio_dev_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct snd_soc_dai_link *dai_link; + struct snd_soc_card *card; + char name[30] = "snddaudio"; + unsigned int temp_val; + int ret = 0; + + card = devm_kzalloc(&pdev->dev, sizeof(struct snd_soc_card), + GFP_KERNEL); + if (!card) + return -ENOMEM; + + memcpy(card, &snd_soc_sunxi_snddaudio, sizeof(struct snd_soc_card)); + + card->dev = &pdev->dev; + + dai_link = devm_kzalloc(&pdev->dev, + sizeof(struct snd_soc_dai_link), GFP_KERNEL); + if (!dai_link) { + ret = -ENOMEM; + goto err_kfree_card; + } + + memcpy(dai_link, &sunxi_snddaudio_dai_link, + sizeof(struct snd_soc_dai_link)); + card->dai_link = dai_link; + card->num_links = 1; + + dai_link->cpu_dai_name = NULL; + dai_link->cpu_of_node = of_parse_phandle(np, + "sunxi,cpudai-controller", 0); + if (!dai_link->cpu_of_node) { + dev_err(&pdev->dev, + "Property 'sunxi,cpudai-controller' invalid\n"); + ret = -EINVAL; + goto err_kfree_link; + } + dai_link->platform_name = "snd-soc-dummy"; + + ret = of_property_read_string(np, "sunxi,snddaudio-codec", + &dai_link->codec_name); + /* + * As we setting codec & codec_dai in dtb, we just setting the + * codec & codec_dai in the dai_link. But if we just not setting, + * we then using the snd-soc-dummy as the codec & codec_dai to + * construct the snd-card for audio playback & capture. + */ + if (!ret) { + ret = of_property_read_string(np, "sunxi,snddaudio-codec-dai", + &dai_link->codec_dai_name); + if (ret < 0) { + dev_err(card->dev, "codec_dai name invaild in dtb\n"); + ret = -EINVAL; + goto err_kfree_link; + } + sprintf(name+3, "%s", dai_link->codec_name); + } else { + if (dai_link->cpu_of_node && of_property_read_u32( + dai_link->cpu_of_node, "tdm_num", &temp_val) >= 0) + sprintf(name+9, "%u", temp_val); + else + sprintf(name+9, "%d", atomic_inc_return(&daudio_count)); + } + + card->name = name; + dev_info(card->dev, "codec: %s, codec_dai: %s.\n", + dai_link->codec_name, + dai_link->codec_dai_name); + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(card->dev, "snd_soc_register_card failed\n"); + goto err_kfree_link; + } + + return ret; +err_kfree_link: + devm_kfree(&pdev->dev, card->dai_link); +err_kfree_card: + devm_kfree(&pdev->dev, card); + return ret; +} +#else +static int sunxi_snddaudio_dev_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct snd_soc_dai_link *dai_link; + struct snd_soc_card *card; + struct sunxi_snddaudio_priv *snddaudio_priv; + char name[30] = "snddaudio"; + unsigned int temp_val; + int ret = 0; + + snddaudio_priv = devm_kzalloc(&pdev->dev, + sizeof(struct sunxi_snddaudio_priv), GFP_KERNEL); + if (!snddaudio_priv) { + dev_err(&pdev->dev, "Can't malloc the sunxi_snddaudio_priv!\n"); + return -ENOMEM; + } + + snddaudio_priv->card = devm_kzalloc(&pdev->dev, + sizeof(struct snd_soc_card), + GFP_KERNEL); + if (!snddaudio_priv->card) { + dev_err(&pdev->dev, "Can't malloc the snd_soc_card!\n"); + goto err_kfree_sndaudio_priv; + } + + card = snddaudio_priv->card; + memcpy(card, &snd_soc_sunxi_snddaudio, sizeof(struct snd_soc_card)); + + card->dev = &pdev->dev; + + dai_link = devm_kzalloc(&pdev->dev, + sizeof(struct snd_soc_dai_link), GFP_KERNEL); + if (!dai_link) { + ret = -ENOMEM; + goto err_kfree_card; + } + memcpy(dai_link, &sunxi_snddaudio_dai_link, + sizeof(struct snd_soc_dai_link)); + card->dai_link = dai_link; + card->num_links = 1; + + ret = of_property_read_u32(np, "audio_format", &temp_val); + if (ret < 0) { + dev_warn(&pdev->dev, "audio_format config missing or invalid\n"); + snddaudio_priv->pdata.audio_format = 1; + } else { + snddaudio_priv->pdata.audio_format = temp_val; + } + + ret = of_property_read_u32(np, "signal_inversion", &temp_val); + if (ret < 0) { + dev_warn(&pdev->dev, "signal_inversion config missing or invalid\n"); + snddaudio_priv->pdata.signal_inversion = 1; + } else { + snddaudio_priv->pdata.signal_inversion = temp_val; + } + + ret = of_property_read_u32(np, "daudio_master", &temp_val); + if (ret < 0) { + dev_warn(&pdev->dev, "daudio_master config missing or invalid\n"); + /* + * default setting SND_SOC_DAIFMT_CBS_CFS mode + * codec clk & FRM slave + */ + snddaudio_priv->pdata.daudio_master = 4; + } else { + snddaudio_priv->pdata.daudio_master = temp_val; + } + + dai_link->cpu_dai_name = NULL; + dai_link->cpu_of_node = of_parse_phandle(np, + "sunxi,daudio0-controller", 0); + if (dai_link->cpu_of_node) + goto cpu_node_find; + + dai_link->cpu_of_node = of_parse_phandle(np, + "sunxi,daudio1-controller", 0); + if (dai_link->cpu_of_node) + goto cpu_node_find; + + dai_link->cpu_of_node = of_parse_phandle(np, + "sunxi,daudio-controller", 0); + if (dai_link->cpu_of_node) + goto cpu_node_find; + + dev_err(card->dev, "Property 'sunxi,daudio-controller' missing\n"); + + goto err_kfree_link; + +cpu_node_find: + dai_link->cpu_dai_name = NULL; + dai_link->platform_name = NULL; + dai_link->platform_of_node = + dai_link->cpu_of_node; + + ret = of_property_read_string(np, "sunxi,snddaudio-codec", + &dai_link->codec_name); + /* + * As we setting codec & codec_dai in dtb, we just setting the + * codec & codec_dai in the dai_link. But if we just not setting, + * we then using the snd-soc-dummy as the codec & codec_dai to + * construct the snd-card for audio playback & capture. + */ + if (!ret) { + ret = of_property_read_string(np, "sunxi,snddaudio-codec-dai", + &dai_link->codec_dai_name); + if (ret < 0) { + dev_err(card->dev, "codec_dai name invaild in dtb\n"); + ret = -EINVAL; + goto err_kfree_link; + } + sprintf(name+3, "%s", dai_link->codec_name); + } else { + if (dai_link->cpu_of_node && of_property_read_u32( + dai_link->cpu_of_node, "tdm_num", &temp_val) >= 0) + sprintf(name+9, "%u", temp_val); + else + sprintf(name+9, "%d", atomic_inc_return(&daudio_count)); + } + + card->name = name; + dev_info(card->dev, "codec: %s, codec_dai: %s.\n", + dai_link->codec_name, + dai_link->codec_dai_name); + +#ifdef CONFIG_SND_SUNXI_MAD + snddaudio_priv->mad_priv.mad_bind = 0; +#endif + + snd_soc_card_set_drvdata(card, snddaudio_priv); + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(card->dev, "snd_soc_register_card failed\n"); + goto err_kfree_link; + } + + return ret; + +err_kfree_link: + devm_kfree(&pdev->dev, card->dai_link); +err_kfree_card: + devm_kfree(&pdev->dev, card); +err_kfree_sndaudio_priv: + devm_kfree(&pdev->dev, snddaudio_priv); + return ret; +} +#endif + +static int sunxi_snddaudio_dev_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + struct sunxi_snddaudio_priv *snddaudio_priv; + + snddaudio_priv = snd_soc_card_get_drvdata(card); + + snd_soc_unregister_card(card); + devm_kfree(&pdev->dev, card->dai_link); + devm_kfree(&pdev->dev, card); + devm_kfree(&pdev->dev, snddaudio_priv); + + return 0; +} + +static const struct of_device_id sunxi_snddaudio_of_match[] = { + { .compatible = "allwinner,sunxi-daudio0-machine", }, + { .compatible = "allwinner,sunxi-daudio1-machine", }, + { .compatible = "allwinner,sunxi-daudio2-machine", }, + { .compatible = "allwinner,sunxi-daudio3-machine", }, + {}, +}; + +static struct platform_driver sunxi_snddaudio_driver = { + .driver = { + .name = "snddaudio", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + .of_match_table = sunxi_snddaudio_of_match, + }, + .probe = sunxi_snddaudio_dev_probe, + .remove = sunxi_snddaudio_dev_remove, +}; + +static int __init sunxi_snddaudio_driver_init(void) +{ + return platform_driver_register(&sunxi_snddaudio_driver); +} +late_initcall(sunxi_snddaudio_driver_init); + +static void __exit sunxi_snddaudio_driver_exit(void) +{ + platform_driver_unregister(&sunxi_snddaudio_driver); +} +module_exit(sunxi_snddaudio_driver_exit); + +MODULE_AUTHOR("Wolfgang Huang"); +MODULE_DESCRIPTION("SUNXI snddaudio ALSA SoC Audio Card Driver"); +MODULE_LICENSE("GPL");