1 // SPDX-License-Identifier: GPL-2.0-only 2 // Based on sof_sdw_rt5682.c 3 // This file incorporates work covered by the following copyright notice: 4 // Copyright (c) 2023 Intel Corporation 5 // Copyright (c) 2024 Advanced Micro Devices, Inc. 6 7 /* 8 * soc_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver 9 */ 10 #include <linux/device.h> 11 #include <linux/errno.h> 12 #include <linux/input.h> 13 #include <sound/jack.h> 14 #include <linux/soundwire/sdw.h> 15 #include <linux/soundwire/sdw_type.h> 16 #include <sound/cs42l43.h> 17 #include <sound/control.h> 18 #include <sound/soc.h> 19 #include <sound/soc-acpi.h> 20 #include <sound/soc-dapm.h> 21 #include <sound/soc_sdw_utils.h> 22 23 static const struct snd_soc_dapm_route cs42l43_hs_map[] = { 24 { "Headphone", NULL, "cs42l43 AMP3_OUT" }, 25 { "Headphone", NULL, "cs42l43 AMP4_OUT" }, 26 { "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" }, 27 { "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" }, 28 }; 29 30 static const struct snd_soc_dapm_route cs42l43_spk_map[] = { 31 { "Speaker", NULL, "cs42l43 AMP1_OUT_P", }, 32 { "Speaker", NULL, "cs42l43 AMP1_OUT_N", }, 33 { "Speaker", NULL, "cs42l43 AMP2_OUT_P", }, 34 { "Speaker", NULL, "cs42l43 AMP2_OUT_N", }, 35 }; 36 37 static const struct snd_soc_dapm_route cs42l43_dmic_map[] = { 38 { "cs42l43 PDM1_DIN", NULL, "DMIC" }, 39 { "cs42l43 PDM2_DIN", NULL, "DMIC" }, 40 }; 41 42 static struct snd_soc_jack_pin soc_jack_pins[] = { 43 { 44 .pin = "Headphone", 45 .mask = SND_JACK_HEADPHONE, 46 }, 47 { 48 .pin = "Headset Mic", 49 .mask = SND_JACK_MICROPHONE, 50 }, 51 }; 52 53 int asoc_sdw_cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) 54 { 55 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; 56 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card); 57 struct snd_soc_jack *jack = &ctx->sdw_headset; 58 struct snd_soc_card *card = rtd->card; 59 int ret; 60 61 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43", 62 card->components); 63 if (!card->components) 64 return -ENOMEM; 65 66 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map, 67 ARRAY_SIZE(cs42l43_hs_map)); 68 if (ret) { 69 dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret); 70 return ret; 71 } 72 73 ret = snd_soc_card_jack_new_pins(card, "Jack", 74 SND_JACK_MECHANICAL | SND_JACK_AVOUT | 75 SND_JACK_HEADSET | SND_JACK_LINEOUT | 76 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 77 SND_JACK_BTN_2 | SND_JACK_BTN_3, 78 jack, soc_jack_pins, 79 ARRAY_SIZE(soc_jack_pins)); 80 if (ret) { 81 dev_err(card->dev, "Failed to create jack: %d\n", ret); 82 return ret; 83 } 84 85 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 86 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 87 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 88 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 89 90 ret = snd_soc_component_set_jack(component, jack, NULL); 91 if (ret) { 92 dev_err(card->dev, "Failed to register jack: %d\n", ret); 93 return ret; 94 } 95 96 ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW, 97 0, SND_SOC_CLOCK_IN); 98 if (ret) 99 dev_err(card->dev, "Failed to set sysclk: %d\n", ret); 100 101 return ret; 102 } 103 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_hs_rtd_init, SND_SOC_SDW_UTILS); 104 105 int asoc_sdw_cs42l43_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) 106 { 107 struct snd_soc_card *card = rtd->card; 108 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card); 109 int ret; 110 111 if (!(ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS)) { 112 /* Will be set by the bridge code in this case */ 113 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 114 "%s spk:cs42l43-spk", 115 card->components); 116 if (!card->components) 117 return -ENOMEM; 118 } 119 120 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_spk_map, 121 ARRAY_SIZE(cs42l43_spk_map)); 122 if (ret) 123 dev_err(card->dev, "cs42l43 speaker map addition failed: %d\n", ret); 124 125 return ret; 126 } 127 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_rtd_init, SND_SOC_SDW_UTILS); 128 129 int asoc_sdw_cs42l43_spk_init(struct snd_soc_card *card, 130 struct snd_soc_dai_link *dai_links, 131 struct asoc_sdw_codec_info *info, 132 bool playback) 133 { 134 /* Do init on playback link only. */ 135 if (!playback) 136 return 0; 137 138 info->amp_num++; 139 140 return asoc_sdw_bridge_cs35l56_spk_init(card, dai_links, info, playback); 141 } 142 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_init, SND_SOC_SDW_UTILS); 143 144 int asoc_sdw_cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) 145 { 146 struct snd_soc_card *card = rtd->card; 147 int ret; 148 149 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic", 150 card->components); 151 if (!card->components) 152 return -ENOMEM; 153 154 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map, 155 ARRAY_SIZE(cs42l43_dmic_map)); 156 if (ret) 157 dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret); 158 159 return ret; 160 } 161 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_dmic_rtd_init, SND_SOC_SDW_UTILS); 162