From 967885ee45e48b669e0904a38f6aeb1a09b0d9a1 Mon Sep 17 00:00:00 2001
From: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Date: Thu, 17 Mar 2022 10:50:36 -0700
Subject: [PATCH] ASoC: SOF: Introduce IPC-specific PCM ops
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Git-commit: 967885ee45e48b669e0904a38f6aeb1a09b0d9a1
Patch-mainline: v5.18-rc1
References: jsc#PED-850

Introduce the IPC-specific PCM ops that will be used to abstract the
PCM related IPC's.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220317175044.1752400-12-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/sof/sof-audio.h | 17 +++++++++++++++++
 sound/soc/sof/sof-priv.h  |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index bcd38c882078..4d25e781e5ae 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -45,6 +45,23 @@ struct snd_sof_dai_config_data {
 	int dai_data; /* contains DAI-specific information */
 };
 
+/**
+ * struct sof_ipc_pcm_ops - IPC-specific PCM ops
+ * @hw_params: Function pointer for hw_params
+ * @hw_free: Function pointer for hw_free
+ * @trigger: Function pointer for trigger
+ * @dai_link_fixup: Function pointer for DAI link fixup
+ */
+struct sof_ipc_pcm_ops {
+	int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
+			 struct snd_pcm_hw_params *params,
+			 struct snd_sof_platform_stream_params *platform_params);
+	int (*hw_free)(struct snd_soc_component *component, struct snd_pcm_substream *substream);
+	int (*trigger)(struct snd_soc_component *component,  struct snd_pcm_substream *substream,
+		       int cmd);
+	int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
+};
+
 /**
  * struct sof_ipc_tplg_control_ops - IPC-specific ops for topology kcontrol IO
  */
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 3e883044dd0f..0d9b640ae24c 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -371,15 +371,18 @@ struct sof_ipc_pm_ops {
 };
 
 struct sof_ipc_tplg_ops;
+struct sof_ipc_pcm_ops;
 
 /**
  * struct sof_ipc_ops - IPC-specific ops
  * @tplg:	Pointer to IPC-specific topology ops
  * @pm:		Pointer to PM ops
+ * @pcm:	Pointer to PCM ops
  */
 struct sof_ipc_ops {
 	const struct sof_ipc_tplg_ops *tplg;
 	const struct sof_ipc_pm_ops *pm;
+	const struct sof_ipc_pcm_ops *pcm;
 };
 
 /* SOF generic IPC data */
-- 
2.35.3