sound/soc/intel/avs/boards/rt5514.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright(c) 2021-2023 Intel Corporation. All rights reserved.
   4 //
   5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
   6 //          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
   7 //
   8
   9 #include <linux/clk.h>
  10 #include <linux/input.h>
  11 #include <linux/module.h>
  12 #include <sound/jack.h>
  13 #include <sound/pcm.h>
  14 #include <sound/pcm_params.h>
  15 #include <sound/soc.h>
  16 #include <sound/soc-acpi.h>
  17 #include "../../../codecs/rt5514.h"
  18 #include "../utils.h"
  19
  20 #define RT5514_CODEC_DAI        "rt5514-aif1"
  21
  22 static const struct snd_soc_dapm_widget card_widgets[] = {
  23         SND_SOC_DAPM_MIC("DMIC", NULL),
  24 };
  25
  26 static const struct snd_soc_dapm_route card_base_routes[] = {
  27         /* DMIC */
  28         { "DMIC1L", NULL, "DMIC" },
  29         { "DMIC1R", NULL, "DMIC" },
  30         { "DMIC2L", NULL, "DMIC" },
  31         { "DMIC2R", NULL, "DMIC" },
  32 };
  33
  34 static int avs_rt5514_codec_init(struct snd_soc_pcm_runtime *runtime)
  35 {
  36         int ret = snd_soc_dapm_ignore_suspend(&runtime->card->dapm, "DMIC");
  37
  38         if (ret)
  39                 dev_err(runtime->dev, "DMIC - Ignore suspend failed = %d\n", ret);
  40
  41         return ret;
  42 }
  43
  44 static int avs_rt5514_be_fixup(struct snd_soc_pcm_runtime *runtime,
  45                                struct snd_pcm_hw_params *params)
  46 {
  47         struct snd_interval *rate, *channels;
  48         struct snd_mask *fmt;
  49
  50         rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
  51         channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
  52         fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
  53
  54         rate->min = rate->max = 48000;
  55         channels->min = channels->max = 4;
  56
  57         snd_mask_none(fmt);
  58         snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
  59
  60         return 0;
  61 }
  62
  63 static int avs_rt5514_hw_params(struct snd_pcm_substream *substream,
  64                                 struct snd_pcm_hw_params *params)
  65 {
  66         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
  67         struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
  68         int ret;
  69
  70         ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0, 8, 16);
  71         if (ret < 0) {
  72                 dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
  73                 return ret;
  74         }
  75
  76         ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
  77         if (ret < 0)
  78                 dev_err(rtd->dev, "set sysclk err: %d\n", ret);
  79
  80         return ret;
  81 }
  82
  83 static const struct snd_soc_ops avs_rt5514_ops = {
  84         .hw_params = avs_rt5514_hw_params,
  85 };
  86
  87 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
  88                                int tdm_slot, struct snd_soc_dai_link **dai_link)
  89 {
  90         struct snd_soc_dai_link_component *platform;
  91         struct snd_soc_dai_link *dl;
  92
  93         dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
  94         platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
  95         if (!dl || !platform)
  96                 return -ENOMEM;
  97
  98         platform->name = platform_name;
  99
 100         dl->name = devm_kasprintf(dev, GFP_KERNEL,
 101                                   AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
 102         dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
 103         dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
 104         if (!dl->name || !dl->cpus || !dl->codecs)
 105                 return -ENOMEM;
 106
 107         dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 108                                             AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
 109         dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5514:00");
 110         dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5514_CODEC_DAI);
 111         if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
 112                 return -ENOMEM;
 113
 114         dl->num_cpus = 1;
 115         dl->num_codecs = 1;
 116         dl->platforms = platform;
 117         dl->num_platforms = 1;
 118         dl->id = 0;
 119         dl->dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
 120         dl->init = avs_rt5514_codec_init;
 121         dl->be_hw_params_fixup = avs_rt5514_be_fixup;
 122         dl->nonatomic = 1;
 123         dl->no_pcm = 1;
 124         dl->dpcm_capture = 1;
 125         dl->ops = &avs_rt5514_ops;
 126
 127         *dai_link = dl;
 128
 129         return 0;
 130 }
 131
 132 static int avs_rt5514_probe(struct platform_device *pdev)
 133 {
 134         struct snd_soc_dai_link *dai_link;
 135         struct snd_soc_acpi_mach *mach;
 136         struct snd_soc_card *card;
 137         struct device *dev = &pdev->dev;
 138         const char *pname;
 139         int ssp_port, tdm_slot, ret;
 140
 141         mach = dev_get_platdata(dev);
 142         pname = mach->mach_params.platform;
 143
 144         ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
 145         if (ret)
 146                 return ret;
 147
 148         ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
 149         if (ret) {
 150                 dev_err(dev, "Failed to create dai link: %d", ret);
 151                 return ret;
 152         }
 153
 154         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 155         if (!card)
 156                 return -ENOMEM;
 157
 158         card->name = "avs_rt5514";
 159         card->dev = dev;
 160         card->owner = THIS_MODULE;
 161         card->dai_link = dai_link;
 162         card->num_links = 1;
 163         card->dapm_widgets = card_widgets;
 164         card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
 165         card->dapm_routes = card_base_routes;
 166         card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
 167         card->fully_routed = true;
 168
 169         ret = snd_soc_fixup_dai_links_platform_name(card, pname);
 170         if (ret)
 171                 return ret;
 172
 173         return devm_snd_soc_register_card(dev, card);
 174 }
 175
 176 static const struct platform_device_id avs_rt5514_driver_ids[] = {
 177         {
 178                 .name = "avs_rt5514",
 179         },
 180         {},
 181 };
 182 MODULE_DEVICE_TABLE(platform, avs_rt5514_driver_ids);
 183
 184 static struct platform_driver avs_rt5514_driver = {
 185         .probe = avs_rt5514_probe,
 186         .driver = {
 187                 .name = "avs_rt5514",
 188                 .pm = &snd_soc_pm_ops,
 189         },
 190         .id_table = avs_rt5514_driver_ids,
 191 };
 192
 193 module_platform_driver(avs_rt5514_driver);
 194
 195 MODULE_DESCRIPTION("Intel rt5514 machine driver");
 196 MODULE_LICENSE("GPL");