Unverified Commit 0c3d5736 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Mark Brown
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ASoC: SOF: Intel: hda-dai-ops: add SoundWire dspless mode 



This mode is only supported starting with LunarLake (ACE_2_0).

DMIC and SSP remain supported with the DSP only for now, since they
need a DAI configuration that is provided to firmware.

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarPéter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://msgid.link/r/20240213101247.28887-14-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 797b9259

sound/soc/sof/intel/hda-dai-ops.c

+22 −6
Original line number Diff line number Diff line
@@ -607,6 +607,13 @@ static const struct hda_dai_widget_dma_ops hda_dspless_dma_ops = { 
	.get_hlink = hda_get_hlink,

};



static const struct hda_dai_widget_dma_ops sdw_dspless_dma_ops = {

	.get_hext_stream = hda_dspless_get_hext_stream,

	.setup_hext_stream = hda_dspless_setup_hext_stream,

	.calc_stream_format = generic_calc_stream_format,

	.get_hlink = sdw_get_hlink,

};



#endif



const struct hda_dai_widget_dma_ops *
@@ -614,12 +621,24 @@ hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidg 
{

#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK)

	struct snd_sof_dai *sdai;

	const struct sof_intel_dsp_desc *chip;



	if (sdev->dspless_mode_selected)

		return &hda_dspless_dma_ops;



	chip = get_chip_info(sdev->pdata);

	sdai = swidget->private;



	if (sdev->dspless_mode_selected) {

		switch (sdai->type) {

		case SOF_DAI_INTEL_HDA:

			return &hda_dspless_dma_ops;

		case SOF_DAI_INTEL_ALH:

			if (chip->hw_ip_version < SOF_INTEL_ACE_2_0)

				return NULL;

			return &sdw_dspless_dma_ops;

		default:

			return NULL;

		}

	}



	switch (sdev->pdata->ipc_type) {

	case SOF_IPC_TYPE_3:

	{
@@ -633,9 +652,6 @@ hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidg 
	{

		struct snd_sof_widget *pipe_widget = swidget->spipe->pipe_widget;

		struct sof_ipc4_pipeline *pipeline = pipe_widget->private;

		const struct sof_intel_dsp_desc *chip;



		chip = get_chip_info(sdev->pdata);



		switch (sdai->type) {

		case SOF_DAI_INTEL_HDA: