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ASoC: SOF: sof-audio: add sof_dai_get_tdm_slots function
An new interface, sof_dai_get_tdm_slots(), is added for machine driver to get tdm slot number from topology. The dai_get_param() callback needs to support new parameter type SOF_DAI_PARAM_INTEL_SSP_TDM_SLOTS by returning the tdm slot number of specific SSP port. 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://msgid.link/r/20240527193552.165567-14-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -173,5 +173,6 @@ struct sof_dev_desc {
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int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
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int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);
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int sof_dai_get_tdm_slots(struct snd_soc_pcm_runtime *rtd);
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#endif
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@ -1016,3 +1016,13 @@ int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd)
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return sof_dai_get_param(rtd, SOF_DAI_PARAM_INTEL_SSP_BCLK);
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}
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EXPORT_SYMBOL(sof_dai_get_bclk);
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/*
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* Helper to get SSP TDM slot number from a pcm_runtime.
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* Return 0 if not exist.
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*/
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int sof_dai_get_tdm_slots(struct snd_soc_pcm_runtime *rtd)
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{
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return sof_dai_get_param(rtd, SOF_DAI_PARAM_INTEL_SSP_TDM_SLOTS);
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}
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EXPORT_SYMBOL(sof_dai_get_tdm_slots);
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@ -44,8 +44,9 @@
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#define WIDGET_IS_AIF_OR_DAI(id) (WIDGET_IS_DAI(id) || WIDGET_IS_AIF(id))
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#define WIDGET_IS_COPIER(id) (WIDGET_IS_AIF_OR_DAI(id) || (id) == snd_soc_dapm_buffer)
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#define SOF_DAI_PARAM_INTEL_SSP_MCLK 0
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#define SOF_DAI_PARAM_INTEL_SSP_BCLK 1
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#define SOF_DAI_PARAM_INTEL_SSP_MCLK 0
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#define SOF_DAI_PARAM_INTEL_SSP_BCLK 1
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#define SOF_DAI_PARAM_INTEL_SSP_TDM_SLOTS 2
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enum sof_widget_op {
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SOF_WIDGET_PREPARE,
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