sound/soc/intel/boards/sof_cirrus_common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * This file defines data structures and functions used in Machine
   4  * Driver for Intel platforms with Cirrus Logic Codecs.
   5  *
   6  * Copyright 2022 Intel Corporation.
   7  */
   8 #include <linux/module.h>
   9 #include <sound/sof.h>
  10 #include "../../codecs/cs35l41.h"
  11 #include "sof_cirrus_common.h"
  12
  13 /*
  14  * Cirrus Logic CS35L41/CS35L53
  15  */
  16 static const struct snd_kcontrol_new cs35l41_kcontrols[] = {
  17         SOC_DAPM_PIN_SWITCH("WL Spk"),
  18         SOC_DAPM_PIN_SWITCH("WR Spk"),
  19         SOC_DAPM_PIN_SWITCH("TL Spk"),
  20         SOC_DAPM_PIN_SWITCH("TR Spk"),
  21 };
  22
  23 static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = {
  24         SND_SOC_DAPM_SPK("WL Spk", NULL),
  25         SND_SOC_DAPM_SPK("WR Spk", NULL),
  26         SND_SOC_DAPM_SPK("TL Spk", NULL),
  27         SND_SOC_DAPM_SPK("TR Spk", NULL),
  28 };
  29
  30 static const struct snd_soc_dapm_route cs35l41_dapm_routes[] = {
  31         /* speaker */
  32         {"WL Spk", NULL, "WL SPK"},
  33         {"WR Spk", NULL, "WR SPK"},
  34         {"TL Spk", NULL, "TL SPK"},
  35         {"TR Spk", NULL, "TR SPK"},
  36 };
  37
  38 static struct snd_soc_dai_link_component cs35l41_components[] = {
  39         {
  40                 .name = CS35L41_DEV0_NAME,
  41                 .dai_name = CS35L41_CODEC_DAI,
  42         },
  43         {
  44                 .name = CS35L41_DEV1_NAME,
  45                 .dai_name = CS35L41_CODEC_DAI,
  46         },
  47         {
  48                 .name = CS35L41_DEV2_NAME,
  49                 .dai_name = CS35L41_CODEC_DAI,
  50         },
  51         {
  52                 .name = CS35L41_DEV3_NAME,
  53                 .dai_name = CS35L41_CODEC_DAI,
  54         },
  55 };
  56
  57 static struct snd_soc_codec_conf cs35l41_codec_conf[] = {
  58         {
  59                 .dlc = COMP_CODEC_CONF(CS35L41_DEV0_NAME),
  60                 .name_prefix = "WL",
  61         },
  62         {
  63                 .dlc = COMP_CODEC_CONF(CS35L41_DEV1_NAME),
  64                 .name_prefix = "WR",
  65         },
  66         {
  67                 .dlc = COMP_CODEC_CONF(CS35L41_DEV2_NAME),
  68                 .name_prefix = "TL",
  69         },
  70         {
  71                 .dlc = COMP_CODEC_CONF(CS35L41_DEV3_NAME),
  72                 .name_prefix = "TR",
  73         },
  74 };
  75
  76 static int cs35l41_init(struct snd_soc_pcm_runtime *rtd)
  77 {
  78         struct snd_soc_card *card = rtd->card;
  79         int ret;
  80
  81         ret = snd_soc_dapm_new_controls(&card->dapm, cs35l41_dapm_widgets,
  82                                         ARRAY_SIZE(cs35l41_dapm_widgets));
  83         if (ret) {
  84                 dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret);
  85                 return ret;
  86         }
  87
  88         ret = snd_soc_add_card_controls(card, cs35l41_kcontrols,
  89                                         ARRAY_SIZE(cs35l41_kcontrols));
  90         if (ret) {
  91                 dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret);
  92                 return ret;
  93         }
  94
  95         ret = snd_soc_dapm_add_routes(&card->dapm, cs35l41_dapm_routes,
  96                                       ARRAY_SIZE(cs35l41_dapm_routes));
  97
  98         if (ret)
  99                 dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret);
 100
 101         return ret;
 102 }
 103
 104 static int cs35l41_hw_params(struct snd_pcm_substream *substream,
 105                              struct snd_pcm_hw_params *params)
 106 {
 107         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 108         struct snd_soc_dai *codec_dai;
 109         int clk_freq, i, ret;
 110
 111         clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */
 112
 113         if (clk_freq <= 0) {
 114                 dev_err(rtd->dev, "fail to get bclk freq, ret %d\n", clk_freq);
 115                 return -EINVAL;
 116         }
 117
 118         for_each_rtd_codec_dais(rtd, i, codec_dai) {
 119                 /* call dai driver's set_sysclk() callback */
 120                 ret = snd_soc_dai_set_sysclk(codec_dai, CS35L41_CLKID_SCLK,
 121                                              clk_freq, SND_SOC_CLOCK_IN);
 122                 if (ret < 0) {
 123                         dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n",
 124                                 ret);
 125                         return ret;
 126                 }
 127
 128                 /* call component driver's set_sysclk() callback */
 129                 ret = snd_soc_component_set_sysclk(codec_dai->component,
 130                                                    CS35L41_CLKID_SCLK, 0,
 131                                                    clk_freq, SND_SOC_CLOCK_IN);
 132                 if (ret < 0) {
 133                         dev_err(codec_dai->dev, "fail to set component sysclk, ret %d\n",
 134                                 ret);
 135                         return ret;
 136                 }
 137         }
 138
 139         return 0;
 140 }
 141
 142 static const struct snd_soc_ops cs35l41_ops = {
 143         .hw_params = cs35l41_hw_params,
 144 };
 145
 146 void cs35l41_set_dai_link(struct snd_soc_dai_link *link)
 147 {
 148         link->codecs = cs35l41_components;
 149         link->num_codecs = ARRAY_SIZE(cs35l41_components);
 150         link->init = cs35l41_init;
 151         link->ops = &cs35l41_ops;
 152 }
 153 EXPORT_SYMBOL_NS(cs35l41_set_dai_link, SND_SOC_INTEL_SOF_CIRRUS_COMMON);
 154
 155 void cs35l41_set_codec_conf(struct snd_soc_card *card)
 156 {
 157         card->codec_conf = cs35l41_codec_conf;
 158         card->num_configs = ARRAY_SIZE(cs35l41_codec_conf);
 159 }
 160 EXPORT_SYMBOL_NS(cs35l41_set_codec_conf, SND_SOC_INTEL_SOF_CIRRUS_COMMON);
 161
 162 MODULE_DESCRIPTION("ASoC Intel SOF Cirrus Logic helpers");
 163 MODULE_LICENSE("GPL");