diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_sdw_cs42l43.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_sdw_cs42l43.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_cs42l43.c b/sound/soc/intel/boards/sof_sdw_cs42l43.c new file mode 100644 index 000000000000..360f11b72aa2 --- /dev/null +++ b/sound/soc/intel/boards/sof_sdw_cs42l43.c @@ -0,0 +1,156 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Based on sof_sdw_rt5682.c +// Copyright (c) 2023 Intel Corporation + +/* + * sof_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver + */ +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/input.h> +#include <sound/jack.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_type.h> +#include <sound/cs42l43.h> +#include <sound/control.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include <sound/soc-dapm.h> +#include "sof_sdw_common.h" + +static const struct snd_soc_dapm_widget cs42l43_hs_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), +}; + +static const struct snd_soc_dapm_route cs42l43_hs_map[] = { + { "Headphone", NULL, "cs42l43 AMP3_OUT" }, + { "Headphone", NULL, "cs42l43 AMP4_OUT" }, + { "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" }, + { "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" }, +}; + +static const struct snd_soc_dapm_widget cs42l43_dmic_widgets[] = { + SND_SOC_DAPM_MIC("DMIC", NULL), +}; + +static const struct snd_soc_dapm_route cs42l43_dmic_map[] = { + { "cs42l43 PDM1_DIN", NULL, "DMIC" }, + { "cs42l43 PDM2_DIN", NULL, "DMIC" }, +}; + +static struct snd_soc_jack_pin sof_jack_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static int cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; + struct mc_private *ctx = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_jack *jack = &ctx->sdw_headset; + struct snd_soc_card *card = rtd->card; + int ret; + + card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43", + card->components); + if (!card->components) + return -ENOMEM; + + ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_hs_widgets, + ARRAY_SIZE(cs42l43_hs_widgets)); + if (ret) { + dev_err(card->dev, "cs42l43 hs widgets addition failed: %d\n", ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map, + ARRAY_SIZE(cs42l43_hs_map)); + if (ret) { + dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret); + return ret; + } + + ret = snd_soc_card_jack_new_pins(card, "Jack", + SND_JACK_MECHANICAL | SND_JACK_AVOUT | + SND_JACK_HEADSET | SND_JACK_LINEOUT | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3, + jack, sof_jack_pins, + ARRAY_SIZE(sof_jack_pins)); + if (ret) { + dev_err(card->dev, "Failed to create jack: %d\n", ret); + return ret; + } + + snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); + snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); + snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); + snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); + + ret = snd_soc_component_set_jack(component, jack, NULL); + if (ret) { + dev_err(card->dev, "Failed to register jack: %d\n", ret); + return ret; + } + + ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW, + 0, SND_SOC_CLOCK_IN); + if (ret) + dev_err(card->dev, "Failed to set sysclk: %d\n", ret); + + return ret; +} + +int sof_sdw_cs42l43_hs_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link, + struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, + bool playback) +{ + /* + * No need to test if (!playback) like other codecs as cs42l43 uses separated dai for + * playback and capture, and sof_sdw_cs42l43_init is only linked to the playback dai. + */ + dai_links->init = cs42l43_hs_rtd_init; + + return 0; +} + +static int cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + int ret; + + card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic", + card->components); + if (!card->components) + return -ENOMEM; + + ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_dmic_widgets, + ARRAY_SIZE(cs42l43_dmic_widgets)); + if (ret) { + dev_err(card->dev, "cs42l43 dmic widgets addition failed: %d\n", ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map, + ARRAY_SIZE(cs42l43_dmic_map)); + if (ret) + dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret); + + return ret; +} + +int sof_sdw_cs42l43_dmic_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link, + struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info, + bool playback) +{ + dai_links->init = cs42l43_dmic_rtd_init; + + return 0; +} |