1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2020 Intel Corporation. All rights reserved. 4 #include <linux/module.h> 5 #include <linux/string.h> 6 #include <sound/pcm.h> 7 #include <sound/soc.h> 8 #include <sound/soc-dai.h> 9 #include <sound/soc-dapm.h> 10 #include <uapi/sound/asound.h> 11 #include "sof_maxim_common.h" 12 13 #define MAX_98373_PIN_NAME 16 14 15 const struct snd_soc_dapm_route max_98373_dapm_routes[] = { 16 /* speaker */ 17 { "Left Spk", NULL, "Left BE_OUT" }, 18 { "Right Spk", NULL, "Right BE_OUT" }, 19 }; 20 EXPORT_SYMBOL_NS(max_98373_dapm_routes, SND_SOC_INTEL_SOF_MAXIM_COMMON); 21 22 static struct snd_soc_codec_conf max_98373_codec_conf[] = { 23 { 24 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME), 25 .name_prefix = "Right", 26 }, 27 { 28 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME), 29 .name_prefix = "Left", 30 }, 31 }; 32 33 struct snd_soc_dai_link_component max_98373_components[] = { 34 { /* For Right */ 35 .name = MAX_98373_DEV0_NAME, 36 .dai_name = MAX_98373_CODEC_DAI, 37 }, 38 { /* For Left */ 39 .name = MAX_98373_DEV1_NAME, 40 .dai_name = MAX_98373_CODEC_DAI, 41 }, 42 }; 43 EXPORT_SYMBOL_NS(max_98373_components, SND_SOC_INTEL_SOF_MAXIM_COMMON); 44 45 static int max_98373_hw_params(struct snd_pcm_substream *substream, 46 struct snd_pcm_hw_params *params) 47 { 48 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 49 struct snd_soc_dai *codec_dai; 50 int j; 51 52 for_each_rtd_codec_dais(rtd, j, codec_dai) { 53 if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) { 54 /* DEV0 tdm slot configuration */ 55 snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32); 56 } 57 if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) { 58 /* DEV1 tdm slot configuration */ 59 snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32); 60 } 61 } 62 return 0; 63 } 64 65 int max_98373_trigger(struct snd_pcm_substream *substream, int cmd) 66 { 67 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 68 struct snd_soc_dai *codec_dai; 69 struct snd_soc_dai *cpu_dai; 70 int j; 71 int ret = 0; 72 73 /* set spk pin by playback only */ 74 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) 75 return 0; 76 77 cpu_dai = asoc_rtd_to_cpu(rtd, 0); 78 for_each_rtd_codec_dais(rtd, j, codec_dai) { 79 struct snd_soc_dapm_context *dapm = 80 snd_soc_component_get_dapm(cpu_dai->component); 81 char pin_name[MAX_98373_PIN_NAME]; 82 83 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk", 84 codec_dai->component->name_prefix); 85 86 switch (cmd) { 87 case SNDRV_PCM_TRIGGER_START: 88 case SNDRV_PCM_TRIGGER_RESUME: 89 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 90 ret = snd_soc_dapm_enable_pin(dapm, pin_name); 91 if (!ret) 92 snd_soc_dapm_sync(dapm); 93 break; 94 case SNDRV_PCM_TRIGGER_STOP: 95 case SNDRV_PCM_TRIGGER_SUSPEND: 96 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 97 ret = snd_soc_dapm_disable_pin(dapm, pin_name); 98 if (!ret) 99 snd_soc_dapm_sync(dapm); 100 break; 101 default: 102 break; 103 } 104 } 105 106 return ret; 107 } 108 EXPORT_SYMBOL_NS(max_98373_trigger, SND_SOC_INTEL_SOF_MAXIM_COMMON); 109 110 struct snd_soc_ops max_98373_ops = { 111 .hw_params = max_98373_hw_params, 112 .trigger = max_98373_trigger, 113 }; 114 EXPORT_SYMBOL_NS(max_98373_ops, SND_SOC_INTEL_SOF_MAXIM_COMMON); 115 116 int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd) 117 { 118 struct snd_soc_card *card = rtd->card; 119 int ret; 120 121 ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 122 ARRAY_SIZE(max_98373_dapm_routes)); 123 if (ret) 124 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret); 125 return ret; 126 } 127 EXPORT_SYMBOL_NS(max_98373_spk_codec_init, SND_SOC_INTEL_SOF_MAXIM_COMMON); 128 129 void max_98373_set_codec_conf(struct snd_soc_card *card) 130 { 131 card->codec_conf = max_98373_codec_conf; 132 card->num_configs = ARRAY_SIZE(max_98373_codec_conf); 133 } 134 EXPORT_SYMBOL_NS(max_98373_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON); 135 136 /* 137 * Maxim MAX98357A 138 */ 139 static const struct snd_kcontrol_new max_98357a_kcontrols[] = { 140 SOC_DAPM_PIN_SWITCH("Spk"), 141 }; 142 143 static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = { 144 SND_SOC_DAPM_SPK("Spk", NULL), 145 }; 146 147 static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = { 148 /* speaker */ 149 {"Spk", NULL, "Speaker"}, 150 }; 151 152 static struct snd_soc_dai_link_component max_98357a_components[] = { 153 { 154 .name = MAX_98357A_DEV0_NAME, 155 .dai_name = MAX_98357A_CODEC_DAI, 156 } 157 }; 158 159 static int max_98357a_init(struct snd_soc_pcm_runtime *rtd) 160 { 161 struct snd_soc_card *card = rtd->card; 162 int ret; 163 164 ret = snd_soc_dapm_new_controls(&card->dapm, max_98357a_dapm_widgets, 165 ARRAY_SIZE(max_98357a_dapm_widgets)); 166 if (ret) { 167 dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret); 168 /* Don't need to add routes if widget addition failed */ 169 return ret; 170 } 171 172 ret = snd_soc_add_card_controls(card, max_98357a_kcontrols, 173 ARRAY_SIZE(max_98357a_kcontrols)); 174 if (ret) { 175 dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret); 176 return ret; 177 } 178 179 ret = snd_soc_dapm_add_routes(&card->dapm, max_98357a_dapm_routes, 180 ARRAY_SIZE(max_98357a_dapm_routes)); 181 182 if (ret) 183 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret); 184 185 return ret; 186 } 187 188 void max_98357a_dai_link(struct snd_soc_dai_link *link) 189 { 190 link->codecs = max_98357a_components; 191 link->num_codecs = ARRAY_SIZE(max_98357a_components); 192 link->init = max_98357a_init; 193 } 194 EXPORT_SYMBOL_NS(max_98357a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON); 195 196 MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers"); 197 MODULE_LICENSE("GPL"); 198