7368ae921b
Create a new module to host common functions for machine drivers. This patch supports Intel HDMI DAI link initialization. Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Brent Lu <brent.lu@intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20231012190826.142619-20-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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//
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// Copyright(c) 2023 Intel Corporation. All rights reserved.
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#include <sound/soc.h>
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#include "hda_dsp_common.h"
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#include "sof_board_helpers.h"
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/*
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* Intel HDMI DAI Link
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*/
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static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
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struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
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ctx->hdmi.hdmi_comp = dai->component;
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return 0;
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}
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int sof_intel_board_card_late_probe(struct snd_soc_card *card)
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{
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
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if (!ctx->hdmi_num)
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return 0;
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if (!ctx->hdmi.idisp_codec)
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return 0;
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if (!ctx->hdmi.hdmi_comp)
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return -EINVAL;
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return hda_dsp_hdmi_build_controls(card, ctx->hdmi.hdmi_comp);
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}
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EXPORT_SYMBOL_NS(sof_intel_board_card_late_probe, SND_SOC_INTEL_SOF_BOARD_HELPERS);
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/*
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* DAI Link Helpers
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*/
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static struct snd_soc_dai_link_component platform_component[] = {
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{
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/* name might be overridden during probe */
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.name = "0000:00:1f.3"
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}
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};
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int sof_intel_board_set_intel_hdmi_link(struct device *dev,
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struct snd_soc_dai_link *link, int be_id,
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int hdmi_id, bool idisp_codec)
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{
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struct snd_soc_dai_link_component *cpus, *codecs;
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dev_dbg(dev, "link %d: intel hdmi, hdmi id %d, idisp codec %d\n",
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be_id, hdmi_id, idisp_codec);
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/* link name */
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link->name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d", hdmi_id);
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if (!link->name)
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return -ENOMEM;
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/* cpus */
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cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component),
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GFP_KERNEL);
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if (!cpus)
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return -ENOMEM;
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cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "iDisp%d Pin", hdmi_id);
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if (!cpus->dai_name)
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return -ENOMEM;
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link->cpus = cpus;
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link->num_cpus = 1;
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/* codecs */
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if (idisp_codec) {
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codecs = devm_kzalloc(dev,
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sizeof(struct snd_soc_dai_link_component),
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GFP_KERNEL);
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if (!codecs)
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return -ENOMEM;
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codecs->name = "ehdaudio0D2";
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codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL,
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"intel-hdmi-hifi%d", hdmi_id);
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if (!codecs->dai_name)
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return -ENOMEM;
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link->codecs = codecs;
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} else {
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link->codecs = &snd_soc_dummy_dlc;
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}
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link->num_codecs = 1;
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/* platforms */
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link->platforms = platform_component;
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link->num_platforms = ARRAY_SIZE(platform_component);
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link->id = be_id;
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link->init = (hdmi_id == 1) ? hdmi_init : NULL;
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link->no_pcm = 1;
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link->dpcm_playback = 1;
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return 0;
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}
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EXPORT_SYMBOL_NS(sof_intel_board_set_intel_hdmi_link, SND_SOC_INTEL_SOF_BOARD_HELPERS);
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MODULE_DESCRIPTION("ASoC Intel SOF Machine Driver Board Helpers");
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MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
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