ASoC: SOF: Intel: hda-dai-ops: add SoundWire dspless mode
authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Tue, 13 Feb 2024 10:12:45 +0000 (12:12 +0200)
committerMark Brown <broonie@kernel.org>
Tue, 13 Feb 2024 13:29:02 +0000 (13:29 +0000)
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: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://msgid.link/r/20240213101247.28887-14-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/sof/intel/hda-dai-ops.c

index 5a5ef93858bec6d325a1f3e65688d8d4b0304ded..c50ca9e72d37385816ddb3cd6ef7456ed50a58e9 100644 (file)
@@ -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: