From: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Introduce a new ops structure for HDA DAI widget DMA ops and add a new
field to struct snd_sof_dai that will be used to set the ops pointer for
DAI widgets.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/intel/hda.h | 31 +++++++++++++++++++++++++++++++
sound/soc/sof/sof-audio.h | 2 ++
2 files changed, 33 insertions(+)
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 0679bebe4ad7..c6243827f8d0 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -928,4 +928,35 @@ extern struct sdw_intel_ops sdw_callback;
struct sof_ipc4_fw_library;
int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
struct sof_ipc4_fw_library *fw_lib, bool reload);
+
+/**
+ * struct hda_dai_widget_dma_ops - DAI DMA ops optional by default unless specified otherwise
+ * @get_hext_stream: Mandatory function pointer to get the saved pointer to struct hdac_ext_stream
+ * @assign_hext_stream: Function pointer to assign a hdac_ext_stream
+ * @release_hext_stream: Function pointer to release the hdac_ext_stream
+ * @setup_hext_stream: Function pointer for hdac_ext_stream setup
+ * @reset_hext_stream: Function pointer for hdac_ext_stream reset
+ * @pre_trigger: Function pointer for DAI DMA pre-trigger actions
+ * @trigger: Function pointer for DAI DMA trigger actions
+ * @post_trigger: Function pointer for DAI DMA post-trigger actions
+ */
+struct hda_dai_widget_dma_ops {
+ struct hdac_ext_stream *(*get_hext_stream)(struct snd_sof_dev *sdev,
+ struct snd_soc_dai *cpu_dai,
+ struct snd_pcm_substream *substream);
+ struct hdac_ext_stream *(*assign_hext_stream)(struct snd_sof_dev *sdev,
+ struct snd_soc_dai *cpu_dai,
+ struct snd_pcm_substream *substream);
+ void (*release_hext_stream)(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai,
+ struct snd_pcm_substream *substream);
+ void (*setup_hext_stream)(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream,
+ unsigned int format_val);
+ void (*reset_hext_stream)(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_sream);
+ int (*pre_trigger)(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai,
+ struct snd_pcm_substream *substream, int cmd);
+ int (*trigger)(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai,
+ struct snd_pcm_substream *substream, int cmd);
+ int (*post_trigger)(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai,
+ struct snd_pcm_substream *substream, int cmd);
+};
#endif
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index e0579af9d281..239b82f37976 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -502,6 +502,8 @@ struct snd_sof_dai {
int number_configs;
int current_config;
struct list_head list; /* list in sdev dai list */
+ /* core should not touch this */
+ const void *platform_private;
void *private;
};
--
2.39.2
