1 // SPDX-License-Identifier: GPL-2.0-only 2 // Based on sof_sdw_rt5682.c 3 // Copyright (c) 2023 Intel Corporation 4 5 /* 6 * sof_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver 7 */ 8 #include <linux/device.h> 9 #include <linux/errno.h> 10 #include <linux/input.h> 11 #include <sound/jack.h> 12 #include <linux/soundwire/sdw.h> 13 #include <linux/soundwire/sdw_type.h> 14 #include <sound/cs42l43.h> 15 #include <sound/control.h> 16 #include <sound/soc.h> 17 #include <sound/soc-acpi.h> 18 #include <sound/soc-dapm.h> 19 #include "sof_sdw_common.h" 20 21 static const struct snd_soc_dapm_widget cs42l43_hs_widgets[] = { 22 SND_SOC_DAPM_HP("Headphone", NULL), 23 SND_SOC_DAPM_MIC("Headset Mic", NULL), 24 }; 25 26 static const struct snd_soc_dapm_route cs42l43_hs_map[] = { 27 { "Headphone", NULL, "cs42l43 AMP3_OUT" }, 28 { "Headphone", NULL, "cs42l43 AMP4_OUT" }, 29 { "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" }, 30 { "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" }, 31 }; 32 33 static const struct snd_soc_dapm_widget cs42l43_dmic_widgets[] = { 34 SND_SOC_DAPM_MIC("DMIC", NULL), 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 sof_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 static int cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd) 54 { 55 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; 56 struct 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_new_controls(&card->dapm, cs42l43_hs_widgets, 67 ARRAY_SIZE(cs42l43_hs_widgets)); 68 if (ret) { 69 dev_err(card->dev, "cs42l43 hs widgets addition failed: %d\n", ret); 70 return ret; 71 } 72 73 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map, 74 ARRAY_SIZE(cs42l43_hs_map)); 75 if (ret) { 76 dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret); 77 return ret; 78 } 79 80 ret = snd_soc_card_jack_new_pins(card, "Jack", 81 SND_JACK_MECHANICAL | SND_JACK_AVOUT | 82 SND_JACK_HEADSET | SND_JACK_LINEOUT | 83 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 84 SND_JACK_BTN_2 | SND_JACK_BTN_3, 85 jack, sof_jack_pins, 86 ARRAY_SIZE(sof_jack_pins)); 87 if (ret) { 88 dev_err(card->dev, "Failed to create jack: %d\n", ret); 89 return ret; 90 } 91 92 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 93 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 94 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 95 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 96 97 ret = snd_soc_component_set_jack(component, jack, NULL); 98 if (ret) { 99 dev_err(card->dev, "Failed to register jack: %d\n", ret); 100 return ret; 101 } 102 103 ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW, 104 0, SND_SOC_CLOCK_IN); 105 if (ret) 106 dev_err(card->dev, "Failed to set sysclk: %d\n", ret); 107 108 return ret; 109 } 110 111 int sof_sdw_cs42l43_hs_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link, 112 struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, 113 bool playback) 114 { 115 /* 116 * No need to test if (!playback) like other codecs as cs42l43 uses separated dai for 117 * playback and capture, and sof_sdw_cs42l43_init is only linked to the playback dai. 118 */ 119 dai_links->init = cs42l43_hs_rtd_init; 120 121 return 0; 122 } 123 124 static int cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd) 125 { 126 struct snd_soc_card *card = rtd->card; 127 int ret; 128 129 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic", 130 card->components); 131 if (!card->components) 132 return -ENOMEM; 133 134 ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_dmic_widgets, 135 ARRAY_SIZE(cs42l43_dmic_widgets)); 136 if (ret) { 137 dev_err(card->dev, "cs42l43 dmic widgets addition failed: %d\n", ret); 138 return ret; 139 } 140 141 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map, 142 ARRAY_SIZE(cs42l43_dmic_map)); 143 if (ret) 144 dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret); 145 146 return ret; 147 } 148 149 int sof_sdw_cs42l43_dmic_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link, 150 struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, 151 bool playback) 152 { 153 dai_links->init = cs42l43_dmic_rtd_init; 154 155 return 0; 156 } 157