ASoC: soc-dai.h: cleanup Playback/Capture data for snd_soc_dai

Current snd_soc_dai has data for Playback/Capture, but it is very
random. Someone is array (A), someone is playback/capture (B),
and someone is tx/rx (C);

	struct snd_soc_dai {
		...
(A)		unsigned int stream_active[SNDRV_PCM_STREAM_LAST + 1];

(B)		struct snd_soc_dapm_widget *playback_widget;
(B)		struct snd_soc_dapm_widget *capture_widget;

(B)		void *playback_dma_data;
(B)		void *capture_dma_data;

		...

(C)		unsigned int tx_mask;
(C)		unsigned int rx_mask;
	};

Because of it, the code was very complicated.
This patch creates new data structure to merge these into one,
and tidyup the code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/87cz6vea1v.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-dai.h

@@ -423,6 +423,16 @@ struct snd_soc_dai_driver {
 	int remove_order;
 };
 
+/* for Playback/Capture */
+struct snd_soc_dai_stream {
+	struct snd_soc_dapm_widget *widget;
+
+	unsigned int active;	/* usage count */
+	unsigned int tdm_mask;	/* CODEC TDM slot masks and params (for fixup) */
+
+	void *dma_data;		/* DAI DMA data */
+};
+
 /*
  * Digital Audio Interface runtime data.
  *
@@ -437,14 +447,7 @@ struct snd_soc_dai {
 	struct snd_soc_dai_driver *driver;
 
 	/* DAI runtime info */
-	unsigned int stream_active[SNDRV_PCM_STREAM_LAST + 1]; /* usage count */
-
-	struct snd_soc_dapm_widget *playback_widget;
-	struct snd_soc_dapm_widget *capture_widget;
-
-	/* DAI DMA data */
-	void *playback_dma_data;
-	void *capture_dma_data;
+	struct snd_soc_dai_stream stream[SNDRV_PCM_STREAM_LAST + 1];
 
 	/* Symmetry data - only valid if symmetry is being enforced */
 	unsigned int rate;
@@ -454,10 +457,6 @@ struct snd_soc_dai {
 	/* parent platform/codec */
 	struct snd_soc_component *component;
 
-	/* CODEC TDM slot masks and params (for fixup) */
-	unsigned int tx_mask;
-	unsigned int rx_mask;
-
 	struct list_head list;
 
 	/* function mark */
@@ -482,8 +481,7 @@ snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)
 static inline
 struct snd_soc_dapm_widget *snd_soc_dai_get_widget(struct snd_soc_dai *dai, int stream)
 {
-	return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
-		dai->playback_widget : dai->capture_widget;
+	return dai->stream[stream].widget;
 }
 
 #define snd_soc_dai_set_widget_playback(dai, widget)	snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_PLAYBACK, widget)
@@ -491,10 +489,7 @@ struct snd_soc_dapm_widget *snd_soc_dai_get_widget(struct snd_soc_dai *dai, int
 static inline
 void snd_soc_dai_set_widget(struct snd_soc_dai *dai, int stream, struct snd_soc_dapm_widget *widget)
 {
-	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
-		dai->playback_widget = widget;
-	else
-		dai->capture_widget  = widget;
+	dai->stream[stream].widget = widget;
 }
 
 #define snd_soc_dai_dma_data_get_playback(dai)	snd_soc_dai_dma_data_get(dai, SNDRV_PCM_STREAM_PLAYBACK)
@@ -502,8 +497,7 @@ void snd_soc_dai_set_widget(struct snd_soc_dai *dai, int stream, struct snd_soc_
 #define snd_soc_dai_get_dma_data(dai, ss)	snd_soc_dai_dma_data_get(dai, ss->stream)
 static inline void *snd_soc_dai_dma_data_get(const struct snd_soc_dai *dai, int stream)
 {
-	return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
-		dai->playback_dma_data : dai->capture_dma_data;
+	return dai->stream[stream].dma_data;
 }
 
 #define snd_soc_dai_dma_data_set_playback(dai, data)	snd_soc_dai_dma_data_set(dai, SNDRV_PCM_STREAM_PLAYBACK, data)
@@ -511,34 +505,30 @@ static inline void *snd_soc_dai_dma_data_get(const struct snd_soc_dai *dai, int
 #define snd_soc_dai_set_dma_data(dai, ss, data)		snd_soc_dai_dma_data_set(dai, ss->stream, data)
 static inline void snd_soc_dai_dma_data_set(struct snd_soc_dai *dai, int stream, void *data)
 {
-	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
-		dai->playback_dma_data = data;
-	else
-		dai->capture_dma_data = data;
+	dai->stream[stream].dma_data = data;
 }
 
-static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,
-					     void *playback, void *capture)
+static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai, void *playback, void *capture)
 {
-	dai->playback_dma_data = playback;
-	dai->capture_dma_data = capture;
+	snd_soc_dai_dma_data_set_playback(dai, playback);
+	snd_soc_dai_dma_data_set_capture(dai,  capture);
 }
 
 static inline unsigned int snd_soc_dai_tdm_mask_get(struct snd_soc_dai *dai, int stream)
 {
-	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
-		return dai->tx_mask;
-	else
-		return dai->rx_mask;
+	return dai->stream[stream].tdm_mask;
 }
 
 static inline void snd_soc_dai_tdm_mask_set(struct snd_soc_dai *dai, int stream,
 					    unsigned int tdm_mask)
 {
-	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
-		dai->tx_mask = tdm_mask;
-	else
-		dai->rx_mask = tdm_mask;
+	dai->stream[stream].tdm_mask = tdm_mask;
+}
+
+static inline unsigned int snd_soc_dai_stream_active(struct snd_soc_dai *dai, int stream)
+{
+	/* see snd_soc_dai_action() for setup */
+	return dai->stream[stream].active;
 }
 
 static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
@@ -593,10 +583,4 @@ static inline void *snd_soc_dai_get_stream(struct snd_soc_dai *dai,
 		return ERR_PTR(-ENOTSUPP);
 }
 
-static inline unsigned int
-snd_soc_dai_stream_active(struct snd_soc_dai *dai, int stream)
-{
-	return dai->stream_active[stream];
-}
-
 #endif

sound/soc/soc-dai.c

@@ -514,7 +514,7 @@ void snd_soc_dai_action(struct snd_soc_dai *dai,
 			int stream, int action)
 {
 	/* see snd_soc_dai_stream_active() */
-	dai->stream_active[stream]	+= action;
+	dai->stream[stream].active	+= action;
 
 	/* see snd_soc_component_active() */
 	dai->component->active		+= action;
@@ -527,7 +527,7 @@ int snd_soc_dai_active(struct snd_soc_dai *dai)
 
 	active = 0;
 	for_each_pcm_streams(stream)
-		active += dai->stream_active[stream];
+		active += dai->stream[stream].active;
 
 	return active;
 }