diff --git a/sound/soc/tegra/tegra_machine_driver.c b/sound/soc/tegra/tegra_machine_driver.c index 6a152879..c1c0ccb9 100644 --- a/sound/soc/tegra/tegra_machine_driver.c +++ b/sound/soc/tegra/tegra_machine_driver.c @@ -1,9 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (c) 2017-2023 NVIDIA CORPORATION. All rights reserved. - * - * Tegra ASoC Machine driver - */ +// SPDX-FileCopyrightText: Copyright (c) 2017-2024 NVIDIA CORPORATION. All rights reserved. +// +// tegra_machine_driver.c - Tegra ASoC Machine driver #include @@ -114,7 +112,8 @@ static int tegra_machine_codec_put_format(struct snd_kcontrol *kcontrol, static int tegra_machine_dai_init(struct snd_soc_pcm_runtime *runtime, unsigned int rate, unsigned int channels, - u64 formats) + u64 formats, + struct snd_pcm_hw_params *pcm_params) { unsigned int mask = (1 << channels) - 1; struct snd_soc_card *card = runtime->card; @@ -167,6 +166,22 @@ static int tegra_machine_dai_init(struct snd_soc_pcm_runtime *runtime, machine->audio_clock.set_pll_out, aud_mclk, srate); list_for_each_entry(rtd, &card->rtd_list, list) { + /* fixup PCM params */ + if (pcm_params && rtd->dai_link->be_hw_params_fixup) { + struct snd_pcm_hw_params new_params = *pcm_params; + + err = rtd->dai_link->be_hw_params_fixup(rtd, &new_params); + if (err) { + dev_err(rtd->card->dev, "fixup failed for link %s\n", + rtd->dai_link->name); + return err; + } + + srate = params_rate(&new_params); + channels = params_channels(&new_params); + format_k = 1 << params_format(&new_params); + } + #if defined(NV_SND_SOC_DAI_LINK_STRUCT_HAS_C2C_PARAMS_ARG) /* Linux v6.4 */ if (!rtd->dai_link->c2c_params) continue; @@ -208,7 +223,8 @@ static int tegra_machine_pcm_hw_params(struct snd_pcm_substream *substream, err = tegra_machine_dai_init(rtd, params_rate(params), params_channels(params), - params_format(params)); + params_format(params), + params); if (err < 0) { dev_err(card->dev, "Failed dai init\n"); return err; @@ -275,7 +291,8 @@ static int tegra_machine_compr_set_params(struct snd_compr_stream *cstream) err = tegra_machine_dai_init(rtd, codec_params.sample_rate, codec_params.ch_out, - SNDRV_PCM_FORMAT_S16_LE); + SNDRV_PCM_FORMAT_S16_LE, + NULL); if (err < 0) { dev_err(card->dev, "Failed dai init\n"); return err; @@ -327,6 +344,46 @@ static struct snd_soc_card snd_soc_tegra_card = { .driver_name = "tegra-ape", }; +static struct snd_soc_dai_driver tegra_dummy_dai = { + .name = "tegra-snd-dummy-dai", + .playback = { + .stream_name = "Dummy Playback", + .channels_min = 1, + .channels_max = 32, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE, + }, + .capture = { + .stream_name = "Dummy Capture", + .channels_min = 1, + .channels_max = 32, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE, + }, +}; + +static const struct snd_soc_dapm_widget tegra_dummy_widgets[] = { + SND_SOC_DAPM_MIC("Dummy MIC", NULL), + SND_SOC_DAPM_SPK("Dummy SPK", NULL), +}; + +static const struct snd_soc_dapm_route tegra_dummy_routes[] = { + {"Dummy SPK", NULL, "Dummy Playback"}, + {"Dummy Capture", NULL, "Dummy MIC"}, +}; + +static const struct snd_soc_component_driver tegra_dummy_component = { + .dapm_widgets = tegra_dummy_widgets, + .num_dapm_widgets = ARRAY_SIZE(tegra_dummy_widgets), + .dapm_routes = tegra_dummy_routes, + .num_dapm_routes = ARRAY_SIZE(tegra_dummy_routes), + .endianness = 1, +}; + /* structure to match device tree node */ static const struct of_device_id tegra_machine_of_match[] = { { .compatible = "nvidia,tegra186-ape" }, @@ -360,6 +417,13 @@ static int tegra_machine_driver_probe(struct platform_device *pdev) if (ret < 0) return ret; + ret = devm_snd_soc_register_component(&pdev->dev, &tegra_dummy_component, + &tegra_dummy_dai, 1); + if (ret < 0) { + dev_err(&pdev->dev, "Tegra dummy component registration fails\n"); + return ret; + } + ret = add_dai_links(card); if (ret < 0) goto cleanup_asoc; diff --git a/sound/soc/tegra/tegra_mixer_control.c b/sound/soc/tegra/tegra_mixer_control.c index cee2b4b1..28b73dd1 100644 --- a/sound/soc/tegra/tegra_mixer_control.c +++ b/sound/soc/tegra/tegra_mixer_control.c @@ -21,6 +21,8 @@ * later by storing all DAI settings in the driver. */ +#include + #include #include #include @@ -417,8 +419,16 @@ static int tegra_mixer_control_probe(struct platform_device *pdev) /* Fixup callback for BE codec2codec links */ for_each_card_rtds(card, rtd) { - /* Skip FE links */ - if (!rtd->dai_link->no_pcm) + /* Skip FE links for sound card with DPCM routes for AHUB */ + if (rtd->card->component_chaining && !rtd->dai_link->no_pcm) + continue; + + /* Skip FE links for sound card with codec2codc routes for AHUB */ +#if defined(NV_SND_SOC_DAI_LINK_STRUCT_HAS_C2C_PARAMS_ARG) /* Linux v6.4 */ + if (!rtd->card->component_chaining && !rtd->dai_link->c2c_params) +#else + if (!rtd->card->component_chaining && !rtd->dai_link->params) +#endif continue; rtd->dai_link->be_hw_params_fixup = tegra_hw_params_fixup;