diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_board_helpers.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_board_helpers.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_board_helpers.c b/sound/soc/intel/boards/sof_board_helpers.c new file mode 100644 index 000000000000..ce2967850c2d --- /dev/null +++ b/sound/soc/intel/boards/sof_board_helpers.c @@ -0,0 +1,204 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2023 Intel Corporation. All rights reserved. + +#include <sound/soc.h> +#include "hda_dsp_common.h" +#include "sof_board_helpers.h" + +/* + * Intel HDMI DAI Link + */ +static int hdmi_init(struct snd_soc_pcm_runtime *rtd) +{ + struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0); + + ctx->hdmi.hdmi_comp = dai->component; + + return 0; +} + +int sof_intel_board_card_late_probe(struct snd_soc_card *card) +{ + struct sof_card_private *ctx = snd_soc_card_get_drvdata(card); + + if (!ctx->hdmi_num) + return 0; + + if (!ctx->hdmi.idisp_codec) + return 0; + + if (!ctx->hdmi.hdmi_comp) + return -EINVAL; + + return hda_dsp_hdmi_build_controls(card, ctx->hdmi.hdmi_comp); +} +EXPORT_SYMBOL_NS(sof_intel_board_card_late_probe, SND_SOC_INTEL_SOF_BOARD_HELPERS); + +/* + * DMIC DAI Link + */ +static const struct snd_soc_dapm_widget dmic_widgets[] = { + SND_SOC_DAPM_MIC("SoC DMIC", NULL), +}; + +static const struct snd_soc_dapm_route dmic_routes[] = { + {"DMic", NULL, "SoC DMIC"}, +}; + +static int dmic_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + int ret; + + ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets, + ARRAY_SIZE(dmic_widgets)); + if (ret) { + dev_err(rtd->dev, "fail to add dmic widgets, ret %d\n", ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(&card->dapm, dmic_routes, + ARRAY_SIZE(dmic_routes)); + if (ret) { + dev_err(rtd->dev, "fail to add dmic routes, ret %d\n", ret); + return ret; + } + + return 0; +} + +/* + * DAI Link Helpers + */ +static struct snd_soc_dai_link_component dmic_component[] = { + { + .name = "dmic-codec", + .dai_name = "dmic-hifi", + } +}; + +static struct snd_soc_dai_link_component platform_component[] = { + { + /* name might be overridden during probe */ + .name = "0000:00:1f.3" + } +}; + +int sof_intel_board_set_dmic_link(struct device *dev, + struct snd_soc_dai_link *link, int be_id, + enum sof_dmic_be_type be_type) +{ + struct snd_soc_dai_link_component *cpus; + + /* cpus */ + cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component), + GFP_KERNEL); + if (!cpus) + return -ENOMEM; + + switch (be_type) { + case SOF_DMIC_01: + dev_dbg(dev, "link %d: dmic01\n", be_id); + + link->name = "dmic01"; + cpus->dai_name = "DMIC01 Pin"; + break; + case SOF_DMIC_16K: + dev_dbg(dev, "link %d: dmic16k\n", be_id); + + link->name = "dmic16k"; + cpus->dai_name = "DMIC16k Pin"; + break; + default: + dev_err(dev, "invalid be type %d\n", be_type); + return -EINVAL; + } + + link->cpus = cpus; + link->num_cpus = 1; + + /* codecs */ + link->codecs = dmic_component; + link->num_codecs = ARRAY_SIZE(dmic_component); + + /* platforms */ + link->platforms = platform_component; + link->num_platforms = ARRAY_SIZE(platform_component); + + link->id = be_id; + if (be_type == SOF_DMIC_01) + link->init = dmic_init; + link->ignore_suspend = 1; + link->no_pcm = 1; + link->dpcm_capture = 1; + + return 0; +} +EXPORT_SYMBOL_NS(sof_intel_board_set_dmic_link, SND_SOC_INTEL_SOF_BOARD_HELPERS); + +int sof_intel_board_set_intel_hdmi_link(struct device *dev, + struct snd_soc_dai_link *link, int be_id, + int hdmi_id, bool idisp_codec) +{ + struct snd_soc_dai_link_component *cpus, *codecs; + + dev_dbg(dev, "link %d: intel hdmi, hdmi id %d, idisp codec %d\n", + be_id, hdmi_id, idisp_codec); + + /* link name */ + link->name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d", hdmi_id); + if (!link->name) + return -ENOMEM; + + /* cpus */ + cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component), + GFP_KERNEL); + if (!cpus) + return -ENOMEM; + + cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d Pin", hdmi_id); + if (!cpus->dai_name) + return -ENOMEM; + + link->cpus = cpus; + link->num_cpus = 1; + + /* codecs */ + if (idisp_codec) { + codecs = devm_kzalloc(dev, + sizeof(struct snd_soc_dai_link_component), + GFP_KERNEL); + if (!codecs) + return -ENOMEM; + + codecs->name = "ehdaudio0D2"; + codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, + "intel-hdmi-hifi%d", hdmi_id); + if (!codecs->dai_name) + return -ENOMEM; + + link->codecs = codecs; + } else { + link->codecs = &snd_soc_dummy_dlc; + } + link->num_codecs = 1; + + /* platforms */ + link->platforms = platform_component; + link->num_platforms = ARRAY_SIZE(platform_component); + + link->id = be_id; + link->init = (hdmi_id == 1) ? hdmi_init : NULL; + link->no_pcm = 1; + link->dpcm_playback = 1; + + return 0; +} +EXPORT_SYMBOL_NS(sof_intel_board_set_intel_hdmi_link, SND_SOC_INTEL_SOF_BOARD_HELPERS); + +MODULE_DESCRIPTION("ASoC Intel SOF Machine Driver Board Helpers"); +MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON); |