Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

Documentation/devicetree/bindings/sound/audio-graph-card.txt

+Audio Graph Card:
+
+Audio Graph Card specifies audio DAI connections of SoC <-> codec.
+It is based on common bindings for device graphs.
+see ${LINUX}/Documentation/devicetree/bindings/graph.txt
+
+Basically, Audio Graph Card property is same as Simple Card.
+see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.txt
+
+Below are same as Simple-Card.
+
+- label
+- dai-format
+- frame-master
+- bitclock-master
+- bitclock-inversion
+- frame-inversion
+- dai-tdm-slot-num
+- dai-tdm-slot-width
+- clocks / system-clock-frequency
+
+Required properties:
+
+- compatible				: "audio-graph-card";
+- dais					: list of CPU DAI port{s}
+
+Example: Single DAI case
+
+	sound_card {
+		compatible = "audio-graph-card";
+
+		dais = <&cpu_port>;
+	};
+
+	dai-controller {
+		...
+		cpu_port: port {
+			cpu_endpoint: endpoint {
+				remote-endpoint = <&codec_endpoint>;
+
+				dai-format = "left_j";
+				...
+			};
+		};
+	};
+
+	audio-codec {
+		...
+		port {
+			codec_endpoint: endpoint {
+				remote-endpoint = <&cpu_endpoint>;
+			};
+		};
+	};
+
+Example: Multi DAI case
+
+	sound-card {
+		compatible = "audio-graph-card";
+
+		label = "sound-card";
+
+		dais = <&cpu_port0
+			&cpu_port1
+			&cpu_port2>;
+	};
+
+	audio-codec@0 {
+		...
+		port {
+			codec0_endpoint: endpoint {
+				remote-endpoint = <&cpu_endpoint0>;
+			};
+		};
+	};
+
+	audio-codec@1 {
+		...
+		port {
+			codec1_endpoint: endpoint {
+				remote-endpoint = <&cpu_endpoint1>;
+			};
+		};
+	};
+
+	audio-codec@2 {
+		...
+		port {
+			codec2_endpoint: endpoint {
+				remote-endpoint = <&cpu_endpoint2>;
+			};
+		};
+	};
+
+	dai-controller {
+		...
+		ports {
+			cpu_port0: port@0 {
+				cpu_endpoint0: endpoint {
+					remote-endpoint = <&codec0_endpoint>;
+
+					dai-format = "left_j";
+					...
+				};
+			};
+			cpu_port1: port@1 {
+				cpu_endpoint1: endpoint {
+					remote-endpoint = <&codec1_endpoint>;
+
+					dai-format = "i2s";
+					...
+				};
+			};
+			cpu_port2: port@2 {
+				cpu_endpoint2: endpoint {
+					remote-endpoint = <&codec2_endpoint>;
+
+					dai-format = "i2s";
+					...
+				};
+			};
+		};
+	};
+

Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt

+Audio-Graph-SCU-Card:
+
+Audio-Graph-SCU-Card is "Audio-Graph-Card" + "ALSA DPCM".
+
+It is based on common bindings for device graphs.
+see ${LINUX}/Documentation/devicetree/bindings/graph.txt
+
+Basically, Audio-Graph-SCU-Card property is same as
+Simple-Card / Simple-SCU-Card / Audio-Graph-Card.
+see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.txt
+    ${LINUX}/Documentation/devicetree/bindings/sound/simple-scu-card.txt
+    ${LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.txt
+
+Below are same as Simple-Card / Audio-Graph-Card.
+
+- label
+- dai-format
+- frame-master
+- bitclock-master
+- bitclock-inversion
+- frame-inversion
+- dai-tdm-slot-num
+- dai-tdm-slot-width
+- clocks / system-clock-frequency
+
+Below are same as Simple-SCU-Card.
+
+- convert-rate
+- convert-channels
+- prefix
+- routing
+
+Required properties:
+
+- compatible				: "audio-graph-scu-card";
+- dais					: list of CPU DAI port{s}
+
+Example 1. Sampling Rate Conversion
+
+	sound_card {
+		compatible = "audio-graph-scu-card";
+
+		label = "sound-card";
+		prefix = "codec";
+		routing = "codec Playback", "DAI0 Playback",
+			"codec Playback", "DAI1 Playback";
+		convert-rate = <48000>;
+
+		dais = <&cpu_port>;
+	};
+
+	audio-codec {
+		...
+
+		port {
+			codec_endpoint: endpoint {
+				remote-endpoint = <&cpu_endpoint>;
+			};
+		};
+	};
+
+	dai-controller {
+		...
+		cpu_port: port {
+			cpu_endpoint: endpoint {
+				remote-endpoint = <&codec_endpoint>;
+
+				dai-format = "left_j";
+				...
+			};
+		};
+	};
+
+Example 2. 2 CPU 1 Codec (Mixing)
+
+	sound_card {
+		compatible = "audio-graph-scu-card";
+
+		label = "sound-card";
+		prefix = "codec";
+		routing = "codec Playback", "DAI0 Playback",
+			"codec Playback", "DAI1 Playback";
+		convert-rate = <48000>;
+
+		dais = <&cpu_port0
+			&cpu_port1>;
+	};
+
+	audio-codec {
+		...
+
+		port {
+			codec_endpoint: endpoint {
+				remote-endpoint = <&cpu_endpoint0>;
+			};
+		};
+	};
+
+	dai-controller {
+		...
+		ports {
+			cpu_port0: port {
+				cpu_endpoint0: endpoint {
+					remote-endpoint = <&codec_endpoint>;
+
+					dai-format = "left_j";
+					...
+				};
+			};
+			cpu_port1: port {
+				cpu_endpoint1: endpoint {
+					dai-format = "left_j";
+					...
+				};
+			};
+		};
+	};

Documentation/devicetree/bindings/sound/renesas,rsnd.txt

@@ -83,11 +83,11 @@ SRC can convert [xx]Hz to [yy]Hz. Then, it has below 2 modes
 **     Asynchronous mode
 ------------------
 
-You need to use "renesas,rsrc-card" sound card for it.
+You need to use "simple-scu-audio-card" sound card for it.
 example)
 
 	sound {
-		compatible = "renesas,rsrc-card";
+		compatible = "simple-scu-audio-card";
 		...
 		/*
 		 * SRC Asynchronous mode setting
@@ -97,12 +97,12 @@ example)
 		 * Inputed 48kHz data will be converted to
 		 * system specified Hz
 		 */
-		convert-rate = <48000>;
+		simple-audio-card,convert-rate = <48000>;
 		...
-		cpu {
+		simple-audio-card,cpu {
 			sound-dai = <&rcar_sound>;
 		};
-		codec {
+		simple-audio-card,codec {
 			...
 		};
 	};
@@ -141,23 +141,23 @@ For more detail information, see below
 	${LINUX}/sound/soc/sh/rcar/ctu.c
 	 - comment of header
 
-You need to use "renesas,rsrc-card" sound card for it.
+You need to use "simple-scu-audio-card" sound card for it.
 example)
 
 	sound {
-		compatible = "renesas,rsrc-card";
+		compatible = "simple-scu-audio-card";
 		...
 		/*
 		 * CTU setting
 		 * All input data will be converted to 2ch
 		 * as output data
 		 */
-		convert-channels = <2>;
+		simple-audio-card,convert-channels = <2>;
 		...
-		cpu {
+		simple-audio-card,cpu {
 			sound-dai = <&rcar_sound>;
 		};
-		codec {
+		simple-audio-card,codec {
 			...
 		};
 	};
@@ -190,22 +190,22 @@ and these sounds will be merged by MIX.
 	aplay -D plughw:0,0 xxxx.wav &
 	aplay -D plughw:0,1 yyyy.wav
 
-You need to use "renesas,rsrc-card" sound card for it.
+You need to use "simple-scu-audio-card" sound card for it.
 Ex)
 	[MEM] -> [SRC1] -> [CTU02] -+-> [MIX0] -> [DVC0] -> [SSI0]
 	                            |
 	[MEM] -> [SRC2] -> [CTU03] -+
 
 	sound {
-		compatible = "renesas,rsrc-card";
+		compatible = "simple-scu-audio-card";
 		...
-		cpu@0 {
+		simple-audio-card,cpu@0 {
 			sound-dai = <&rcar_sound 0>;
 		};
-		cpu@1 {
+		simple-audio-card,cpu@1 {
 			sound-dai = <&rcar_sound 1>;
 		};
-		codec {
+		simple-audio-card,codec {
 			...
 		};
 	};
@@ -368,6 +368,10 @@ Required properties:
 				  see below for detail.
 - #sound-dai-cells		: it must be 0 if your system is using single DAI
 				  it must be 1 if your system is using multi  DAI
+- clocks			: References to SSI/SRC/MIX/CTU/DVC/AUDIO_CLK clocks.
+- clock-names			: List of necessary clock names.
+				  "ssi-all", "ssi.X", "src.X", "mix.X", "ctu.X",
+				  "dvc.X", "clk_a", "clk_b", "clk_c", "clk_i"
 
 Optional properties:
 - #clock-cells			: it must be 0 if your system has audio_clkout
@@ -375,6 +379,9 @@ Optional properties:
 - clock-frequency		: for all audio_clkout0/1/2/3
 - clkout-lr-asynchronous	: boolean property. it indicates that audio_clkoutn
 				  is asynchronizes with lr-clock.
+- resets			: References to SSI resets.
+- reset-names			: List of valid reset names.
+				  "ssi-all", "ssi.X"
 
 SSI subnode properties:
 - interrupts			: Should contain SSI interrupt for PIO transfer

Documentation/devicetree/bindings/sound/simple-scu-card.txt

-ASoC simple SCU Sound Card
+ASoC Simple SCU Sound Card
 
-Simple-Card specifies audio DAI connections of SoC <-> codec.
+Simple SCU Sound Card is "Simple Sound Card" + "ALSA DPCM".
+For example, you can use this driver if you want to exchange sampling rate convert,
+Mixing, etc...
 
 Required properties:
 
 - compatible				: "simple-scu-audio-card"
 					  "renesas,rsrc-card"
-
 Optional properties:
 
-- simple-audio-card,name		: User specified audio sound card name, one string
-					  property.
-- simple-audio-card,cpu			: CPU   sub-node
-- simple-audio-card,codec		: CODEC sub-node
+- simple-audio-card,name		: see simple-audio-card.txt
+- simple-audio-card,cpu			: see simple-audio-card.txt
+- simple-audio-card,codec		: see simple-audio-card.txt
 
 Optional subnode properties:
 
-- simple-audio-card,format		: CPU/CODEC common audio format.
-					  "i2s", "right_j", "left_j" , "dsp_a"
-					  "dsp_b", "ac97", "pdm", "msb", "lsb"
-- simple-audio-card,frame-master	: Indicates dai-link frame master.
-					  phandle to a cpu or codec subnode.
-- simple-audio-card,bitclock-master	: Indicates dai-link bit clock master.
-					  phandle to a cpu or codec subnode.
-- simple-audio-card,bitclock-inversion	: bool property. Add this if the
-					  dai-link uses bit clock inversion.
-- simple-audio-card,frame-inversion	: bool property. Add this if the
-					  dai-link uses frame clock inversion.
+- simple-audio-card,format		: see simple-audio-card.txt
+- simple-audio-card,frame-master	: see simple-audio-card.txt
+- simple-audio-card,bitclock-master	: see simple-audio-card.txt
+- simple-audio-card,bitclock-inversion	: see simple-audio-card.txt
+- simple-audio-card,frame-inversion	: see simple-audio-card.txt
 - simple-audio-card,convert-rate	: platform specified sampling rate convert
 - simple-audio-card,convert-channels	: platform specified converted channel size (2 - 8 ch)
-- simple-audio-card,prefix		: see audio-routing
+- simple-audio-card,prefix		: see routing
 - simple-audio-card,routing		: A list of the connections between audio components.
 					  Each entry is a pair of strings, the first being the connection's sink,
 					  the second being the connection's source. Valid names for sources.
@@ -38,32 +32,23 @@ Optional subnode properties:
 
 Required CPU/CODEC subnodes properties:
 
-- sound-dai				: phandle and port of CPU/CODEC
+- sound-dai				: see simple-audio-card.txt
 
 Optional CPU/CODEC subnodes properties:
 
-- clocks / system-clock-frequency	: specify subnode's clock if needed.
-					  it can be specified via "clocks" if system has
-					  clock node (= common clock), or "system-clock-frequency"
-					  (if system doens't support common clock)
-					  If a clock is specified, it is
-					  enabled with clk_prepare_enable()
-					  in dai startup() and disabled with
-					  clk_disable_unprepare() in dai
-					  shutdown().
+- clocks / system-clock-frequency	: see simple-audio-card.txt
 
-Example 1. Sampling Rate Covert
+Example 1. Sampling Rate Conversion
 
 sound {
 	compatible = "simple-scu-audio-card";
 
 	simple-audio-card,name = "rsnd-ak4643";
 	simple-audio-card,format = "left_j";
-	simple-audio-card,format = "left_j";
 	simple-audio-card,bitclock-master = <&sndcodec>;
 	simple-audio-card,frame-master = <&sndcodec>;
 
-	simple-audio-card,convert-rate = <48000>; /* see audio_clk_a */
+	simple-audio-card,convert-rate = <48000>;
 
 	simple-audio-card,prefix = "ak4642";
 	simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback",
@@ -79,20 +64,18 @@ sound {
 	};
 };
 
-Example 2. 2 CPU 1 Codec
+Example 2. 2 CPU 1 Codec (Mixing)
 
 sound {
-	compatible = "renesas,rsrc-card";
-
-	card-name = "rsnd-ak4643";
-	format = "left_j";
-	bitclock-master = <&dpcmcpu>;
-	frame-master = <&dpcmcpu>;
+	compatible = "simple-scu-audio-card";
 
-	convert-rate = <48000>;  /* see audio_clk_a */
+	simple-audio-card,name = "rsnd-ak4643";
+	simple-audio-card,format = "left_j";
+	simple-audio-card,bitclock-master = <&dpcmcpu>;
+	simple-audio-card,frame-master = <&dpcmcpu>;
 
-	audio-prefix = "ak4642";
-	audio-routing = "ak4642 Playback", "DAI0 Playback",
+	simple-audio-card,prefix = "ak4642";
+	simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback",
 			"ak4642 Playback", "DAI1 Playback";
 
 	dpcmcpu: cpu@0 {

drivers/of/base.c

@@ -1601,6 +1601,7 @@ int of_phandle_iterator_init(struct of_phandle_iterator *it,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(of_phandle_iterator_init);
 
 int of_phandle_iterator_next(struct of_phandle_iterator *it)
 {
@@ -1670,6 +1671,7 @@ int of_phandle_iterator_next(struct of_phandle_iterator *it)
 
 	return -EINVAL;
 }
+EXPORT_SYMBOL_GPL(of_phandle_iterator_next);
 
 int of_phandle_iterator_args(struct of_phandle_iterator *it,
 			     uint32_t *args,
@@ -2484,6 +2486,41 @@ struct device_node *of_graph_get_endpoint_by_regs(
 }
 EXPORT_SYMBOL(of_graph_get_endpoint_by_regs);
 
+/**
+ * of_graph_get_remote_endpoint() - get remote endpoint node
+ * @node: pointer to a local endpoint device_node
+ *
+ * Return: Remote endpoint node associated with remote endpoint node linked
+ *	   to @node. Use of_node_put() on it when done.
+ */
+struct device_node *of_graph_get_remote_endpoint(const struct device_node *node)
+{
+	/* Get remote endpoint node. */
+	return of_parse_phandle(node, "remote-endpoint", 0);
+}
+EXPORT_SYMBOL(of_graph_get_remote_endpoint);
+
+/**
+ * of_graph_get_port_parent() - get port's parent node
+ * @node: pointer to a local endpoint device_node
+ *
+ * Return: device node associated with endpoint node linked
+ *	   to @node. Use of_node_put() on it when done.
+ */
+struct device_node *of_graph_get_port_parent(struct device_node *node)
+{
+	unsigned int depth;
+
+	/* Walk 3 levels up only if there is 'ports' node. */
+	for (depth = 3; depth && node; depth--) {
+		node = of_get_next_parent(node);
+		if (depth == 2 && of_node_cmp(node->name, "ports"))
+			break;
+	}
+	return node;
+}
+EXPORT_SYMBOL(of_graph_get_port_parent);
+
 /**
  * of_graph_get_remote_port_parent() - get remote port's parent node
  * @node: pointer to a local endpoint device_node
@@ -2495,18 +2532,11 @@ struct device_node *of_graph_get_remote_port_parent(
 			       const struct device_node *node)
 {
 	struct device_node *np;
-	unsigned int depth;
 
 	/* Get remote endpoint node. */
-	np = of_parse_phandle(node, "remote-endpoint", 0);
+	np = of_graph_get_remote_endpoint(node);
 
-	/* Walk 3 levels up only if there is 'ports' node. */
-	for (depth = 3; depth && np; depth--) {
-		np = of_get_next_parent(np);
-		if (depth == 2 && of_node_cmp(np->name, "ports"))
-			break;
-	}
-	return np;
+	return of_graph_get_port_parent(np);
 }
 EXPORT_SYMBOL(of_graph_get_remote_port_parent);
 
@@ -2522,13 +2552,25 @@ struct device_node *of_graph_get_remote_port(const struct device_node *node)
 	struct device_node *np;
 
 	/* Get remote endpoint node. */
-	np = of_parse_phandle(node, "remote-endpoint", 0);
+	np = of_graph_get_remote_endpoint(node);
 	if (!np)
 		return NULL;
 	return of_get_next_parent(np);
 }
 EXPORT_SYMBOL(of_graph_get_remote_port);
 
+int of_graph_get_endpoint_count(const struct device_node *np)
+{
+	struct device_node *endpoint;
+	int num = 0;
+
+	for_each_endpoint_of_node(np, endpoint)
+		num++;
+
+	return num;
+}
+EXPORT_SYMBOL(of_graph_get_endpoint_count);
+
 /**
  * of_graph_get_remote_node() - get remote parent device_node for given port/endpoint
  * @node: pointer to parent device_node containing graph port/endpoint

include/linux/of_graph.h

@@ -43,11 +43,15 @@ struct of_endpoint {
 #ifdef CONFIG_OF
 int of_graph_parse_endpoint(const struct device_node *node,
 				struct of_endpoint *endpoint);
+int of_graph_get_endpoint_count(const struct device_node *np);
 struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id);
 struct device_node *of_graph_get_next_endpoint(const struct device_node *parent,
 					struct device_node *previous);
 struct device_node *of_graph_get_endpoint_by_regs(
 		const struct device_node *parent, int port_reg, int reg);
+struct device_node *of_graph_get_remote_endpoint(
+					const struct device_node *node);
+struct device_node *of_graph_get_port_parent(struct device_node *node);
 struct device_node *of_graph_get_remote_port_parent(
 					const struct device_node *node);
 struct device_node *of_graph_get_remote_port(const struct device_node *node);
@@ -61,6 +65,11 @@ static inline int of_graph_parse_endpoint(const struct device_node *node,
 	return -ENOSYS;
 }
 
+static inline int of_graph_get_endpoint_count(const struct device_node *np)
+{
+	return 0;
+}
+
 static inline struct device_node *of_graph_get_port_by_id(
 					struct device_node *node, u32 id)
 {
@@ -80,6 +89,18 @@ static inline struct device_node *of_graph_get_endpoint_by_regs(
 	return NULL;
 }
 
+static inline struct device_node *of_graph_get_remote_endpoint(
+					const struct device_node *node)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_graph_get_port_parent(
+	struct device_node *node)
+{
+	return NULL;
+}
+
 static inline struct device_node *of_graph_get_remote_port_parent(
 					const struct device_node *node)
 {

include/sound/simple_card_utils.h

@@ -35,13 +35,16 @@ int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
 				     char *prefix);
 
 #define asoc_simple_card_parse_clk_cpu(dev, node, dai_link, simple_dai)		\
-	asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai)
+	asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai, \
+				   dai_link->cpu_dai_name)
 #define asoc_simple_card_parse_clk_codec(dev, node, dai_link, simple_dai)	\
-	asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai)
+	asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai,\
+				   dai_link->codec_dai_name)
 int asoc_simple_card_parse_clk(struct device *dev,
 			       struct device_node *node,
 			       struct device_node *dai_of_node,
-			       struct asoc_simple_dai *simple_dai);
+			       struct asoc_simple_dai *simple_dai,
+			       const char *name);
 
 #define asoc_simple_card_parse_cpu(node, dai_link,				\
 				   list_name, cells_name, is_single_link)	\
@@ -60,6 +63,16 @@ int asoc_simple_card_parse_dai(struct device_node *node,
 				  const char *cells_name,
 				  int *is_single_links);
 
+#define asoc_simple_card_parse_graph_cpu(ep, dai_link)			\
+	asoc_simple_card_parse_graph_dai(ep, &dai_link->cpu_of_node,	\
+					 &dai_link->cpu_dai_name)
+#define asoc_simple_card_parse_graph_codec(ep, dai_link)		\
+	asoc_simple_card_parse_graph_dai(ep, &dai_link->codec_of_node,	\
+					 &dai_link->codec_dai_name)
+int asoc_simple_card_parse_graph_dai(struct device_node *ep,
+				     struct device_node **endpoint_np,
+				     const char **dai_name);
+
 int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
 			      struct asoc_simple_dai *simple_dai);
 

include/sound/soc.h

@@ -803,6 +803,8 @@ struct snd_soc_component_driver {
 	int (*of_xlate_dai_name)(struct snd_soc_component *component,
 				 struct of_phandle_args *args,
 				 const char **dai_name);
+	int (*of_xlate_dai_id)(struct snd_soc_component *comment,
+			       struct device_node *endpoint);
 	void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 		int subseq);
 	int (*stream_event)(struct snd_soc_component *, int event);
@@ -1676,6 +1678,7 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
 				     const char *prefix,
 				     struct device_node **bitclkmaster,
 				     struct device_node **framemaster);
+int snd_soc_get_dai_id(struct device_node *ep);
 int snd_soc_get_dai_name(struct of_phandle_args *args,
 			 const char **dai_name);
 int snd_soc_of_get_dai_name(struct device_node *of_node,

sound/soc/generic/Kconfig

@@ -14,3 +14,20 @@ config SND_SIMPLE_SCU_CARD
 	help
 	  This option enables generic simple SCU sound card support.
 	  It supports DPCM of multi CPU single Codec system.
+
+config SND_AUDIO_GRAPH_CARD
+	tristate "ASoC Audio Graph sound card support"
+	depends on OF
+	select SND_SIMPLE_CARD_UTILS
+	help
+	  This option enables generic simple simple sound card support
+	  with OF-graph DT bindings.
+
+config SND_AUDIO_GRAPH_SCU_CARD
+	tristate "ASoC Audio Graph SCU sound card support"
+	depends on OF
+	select SND_SIMPLE_CARD_UTILS
+	help
+	  This option enables generic simple SCU sound card support
+	  with OF-graph DT bindings.
+	  It supports DPCM of multi CPU single Codec ststem.

sound/soc/generic/Makefile

 snd-soc-simple-card-utils-objs	:= simple-card-utils.o
 snd-soc-simple-card-objs	:= simple-card.o
 snd-soc-simple-scu-card-objs	:= simple-scu-card.o
+snd-soc-audio-graph-card-objs	:= audio-graph-card.o
+snd-soc-audio-graph-scu-card-objs	:= audio-graph-scu-card.o
 
 obj-$(CONFIG_SND_SIMPLE_CARD_UTILS)	+= snd-soc-simple-card-utils.o
 obj-$(CONFIG_SND_SIMPLE_CARD)		+= snd-soc-simple-card.o
 obj-$(CONFIG_SND_SIMPLE_SCU_CARD)	+= snd-soc-simple-scu-card.o
+obj-$(CONFIG_SND_AUDIO_GRAPH_CARD)	+= snd-soc-audio-graph-card.o
+obj-$(CONFIG_SND_AUDIO_GRAPH_SCU_CARD)	+= snd-soc-audio-graph-scu-card.o

sound/soc/generic/audio-graph-card.c

+/*
+ * ASoC audio graph sound card support
+ *
+ * Copyright (C) 2016 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * based on ${LINUX}/sound/soc/generic/simple-card.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/of_graph.h>
+#include <linux/platform_device.h>
+#include <linux/string.h>
+#include <sound/jack.h>
+#include <sound/simple_card_utils.h>
+
+struct graph_card_data {
+	struct snd_soc_card snd_card;
+	struct graph_dai_props {
+		struct asoc_simple_dai cpu_dai;
+		struct asoc_simple_dai codec_dai;
+	} *dai_props;
+	struct snd_soc_dai_link *dai_link;
+};
+
+#define graph_priv_to_card(priv) (&(priv)->snd_card)
+#define graph_priv_to_props(priv, i) ((priv)->dai_props + (i))
+#define graph_priv_to_dev(priv) (graph_priv_to_card(priv)->dev)
+#define graph_priv_to_link(priv, i) (graph_priv_to_card(priv)->dai_link + (i))
+
+static int asoc_graph_card_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+	struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
+	int ret;
+
+	ret = clk_prepare_enable(dai_props->cpu_dai.clk);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(dai_props->codec_dai.clk);
+	if (ret)
+		clk_disable_unprepare(dai_props->cpu_dai.clk);
+
+	return ret;
+}
+
+static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+	struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
+
+	clk_disable_unprepare(dai_props->cpu_dai.clk);
+
+	clk_disable_unprepare(dai_props->codec_dai.clk);
+}
+
+static struct snd_soc_ops asoc_graph_card_ops = {
+	.startup = asoc_graph_card_startup,
+	.shutdown = asoc_graph_card_shutdown,
+};
+
+static int asoc_graph_card_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct graph_card_data *priv =	snd_soc_card_get_drvdata(rtd->card);
+	struct snd_soc_dai *codec = rtd->codec_dai;
+	struct snd_soc_dai *cpu = rtd->cpu_dai;
+	struct graph_dai_props *dai_props =
+		graph_priv_to_props(priv, rtd->num);
+	int ret;
+
+	ret = asoc_simple_card_init_dai(codec, &dai_props->codec_dai);
+	if (ret < 0)
+		return ret;
+
+	ret = asoc_simple_card_init_dai(cpu, &dai_props->cpu_dai);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int asoc_graph_card_dai_link_of(struct device_node *cpu_port,
+					struct graph_card_data *priv,
+					int idx)
+{
+	struct device *dev = graph_priv_to_dev(priv);
+	struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, idx);
+	struct graph_dai_props *dai_props = graph_priv_to_props(priv, idx);
+	struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai;
+	struct asoc_simple_dai *codec_dai = &dai_props->codec_dai;
+	struct snd_soc_card *card = graph_priv_to_card(priv);
+	struct device_node *cpu_ep    = of_get_next_child(cpu_port, NULL);
+	struct device_node *codec_ep = of_graph_get_remote_endpoint(cpu_ep);
+	struct device_node *rcpu_ep = of_graph_get_remote_endpoint(codec_ep);
+	int ret;
+
+	if (rcpu_ep != cpu_ep) {
+		dev_err(dev, "remote-endpoint mismatch (%s/%s/%s)\n",
+			cpu_ep->name, codec_ep->name, rcpu_ep->name);
+		ret = -EINVAL;
+		goto dai_link_of_err;
+	}
+
+	ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep,
+					    NULL, &dai_link->dai_fmt);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	/*
+	 * we need to consider "mclk-fs" around here
+	 * see simple-card
+	 */
+
+	ret = asoc_simple_card_parse_graph_cpu(cpu_ep, dai_link);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	ret = asoc_simple_card_parse_graph_codec(codec_ep, dai_link);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	ret = snd_soc_of_parse_tdm_slot(cpu_ep,
+					&cpu_dai->tx_slot_mask,
+					&cpu_dai->rx_slot_mask,
+					&cpu_dai->slots,
+					&cpu_dai->slot_width);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	ret = snd_soc_of_parse_tdm_slot(codec_ep,
+					&codec_dai->tx_slot_mask,
+					&codec_dai->rx_slot_mask,
+					&codec_dai->slots,
+					&codec_dai->slot_width);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	ret = asoc_simple_card_parse_clk_cpu(dev, cpu_ep, dai_link, cpu_dai);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	ret = asoc_simple_card_parse_clk_codec(dev, codec_ep, dai_link, codec_dai);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	ret = asoc_simple_card_canonicalize_dailink(dai_link);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	ret = asoc_simple_card_set_dailink_name(dev, dai_link,
+						"%s-%s",
+						dai_link->cpu_dai_name,
+						dai_link->codec_dai_name);
+	if (ret < 0)
+		goto dai_link_of_err;
+
+	dai_link->ops = &asoc_graph_card_ops;
+	dai_link->init = asoc_graph_card_dai_init;
+
+	asoc_simple_card_canonicalize_cpu(dai_link,
+					  card->num_links == 1);
+
+dai_link_of_err:
+	of_node_put(cpu_ep);
+	of_node_put(rcpu_ep);
+	of_node_put(codec_ep);
+
+	return ret;
+}
+
+static int asoc_graph_card_parse_of(struct graph_card_data *priv)
+{
+	struct of_phandle_iterator it;
+	struct device *dev = graph_priv_to_dev(priv);
+	struct snd_soc_card *card = graph_priv_to_card(priv);
+	struct device_node *node = dev->of_node;
+	int rc, idx = 0;
+	int ret;
+
+	/*
+	 * we need to consider "widgets", "routing", "mclk-fs" around here
+	 * see simple-card
+	 */
+
+	of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
+		ret = asoc_graph_card_dai_link_of(it.node, priv, idx++);
+		of_node_put(it.node);
+		if (ret < 0)
+			return ret;
+	}
+
+	return asoc_simple_card_parse_card_name(card, NULL);
+}
+
+static int asoc_graph_get_dais_count(struct device *dev)
+{
+	struct of_phandle_iterator it;
+	struct device_node *node = dev->of_node;
+	int count = 0;
+	int rc;
+
+	of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
+		count++;
+		of_node_put(it.node);
+	}
+
+	return count;
+}
+
+static int asoc_graph_card_probe(struct platform_device *pdev)
+{
+	struct graph_card_data *priv;
+	struct snd_soc_dai_link *dai_link;
+	struct graph_dai_props *dai_props;
+	struct device *dev = &pdev->dev;
+	struct snd_soc_card *card;
+	int num, ret;
+
+	/* Allocate the private data and the DAI link array */
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	num = asoc_graph_get_dais_count(dev);
+	if (num == 0)
+		return -EINVAL;
+
+	dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL);
+	dai_link  = devm_kzalloc(dev, sizeof(*dai_link)  * num, GFP_KERNEL);
+	if (!dai_props || !dai_link)
+		return -ENOMEM;
+
+	priv->dai_props			= dai_props;
+	priv->dai_link			= dai_link;
+
+	/* Init snd_soc_card */
+	card = graph_priv_to_card(priv);
+	card->owner	= THIS_MODULE;
+	card->dev	= dev;
+	card->dai_link	= dai_link;
+	card->num_links	= num;
+
+	ret = asoc_graph_card_parse_of(priv);
+	if (ret < 0) {
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "parse error %d\n", ret);
+		goto err;
+	}
+
+	snd_soc_card_set_drvdata(card, priv);
+
+	ret = devm_snd_soc_register_card(dev, card);
+	if (ret < 0)
+		goto err;
+
+	return 0;
+err:
+	asoc_simple_card_clean_reference(card);
+
+	return ret;
+}
+
+static int asoc_graph_card_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	return asoc_simple_card_clean_reference(card);
+}
+
+static const struct of_device_id asoc_graph_of_match[] = {
+	{ .compatible = "audio-graph-card", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, asoc_graph_of_match);
+
+static struct platform_driver asoc_graph_card = {
+	.driver = {
+		.name = "asoc-audio-graph-card",
+		.of_match_table = asoc_graph_of_match,
+	},
+	.probe = asoc_graph_card_probe,
+	.remove = asoc_graph_card_remove,
+};
+module_platform_driver(asoc_graph_card);
+
+MODULE_ALIAS("platform:asoc-audio-graph-card");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("ASoC Audio Graph Sound Card");
+MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");

sound/soc/generic/simple-card-utils.c

@@ -10,6 +10,7 @@
 #include <linux/clk.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <sound/simple_card_utils.h>
 
 int asoc_simple_card_parse_daifmt(struct device *dev,
@@ -20,14 +21,13 @@ int asoc_simple_card_parse_daifmt(struct device *dev,
 {
 	struct device_node *bitclkmaster = NULL;
 	struct device_node *framemaster = NULL;
-	int prefix_len = prefix ? strlen(prefix) : 0;
 	unsigned int daifmt;
 
 	daifmt = snd_soc_of_parse_daifmt(node, prefix,
 					 &bitclkmaster, &framemaster);
 	daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
 
-	if (prefix_len && !bitclkmaster && !framemaster) {
+	if (!bitclkmaster && !framemaster) {
 		/*
 		 * No dai-link level and master setting was not found from
 		 * sound node level, revert back to legacy DT parsing and
@@ -51,6 +51,8 @@ int asoc_simple_card_parse_daifmt(struct device *dev,
 
 	*retfmt = daifmt;
 
+	dev_dbg(dev, "format : %04x\n", daifmt);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(asoc_simple_card_parse_daifmt);
@@ -72,6 +74,8 @@ int asoc_simple_card_set_dailink_name(struct device *dev,
 
 		dai_link->name		= name;
 		dai_link->stream_name	= name;
+
+		dev_dbg(dev, "name : %s\n", name);
 	}
 
 	return ret;
@@ -81,19 +85,27 @@ EXPORT_SYMBOL_GPL(asoc_simple_card_set_dailink_name);
 int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
 				     char *prefix)
 {
-	char prop[128];
 	int ret;
 
-	snprintf(prop, sizeof(prop), "%sname", prefix);
+	if (!prefix)
+		prefix = "";
 
 	/* Parse the card name from DT */
+	ret = snd_soc_of_parse_card_name(card, "label");
+	if (ret < 0) {
+		char prop[128];
+
+		snprintf(prop, sizeof(prop), "%sname", prefix);
 		ret = snd_soc_of_parse_card_name(card, prop);
 		if (ret < 0)
 			return ret;
+	}
 
 	if (!card->name && card->dai_link)
 		card->name = card->dai_link->name;
 
+	dev_dbg(card->dev, "Card Name: %s\n", card->name ? card->name : "");
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(asoc_simple_card_parse_card_name);
@@ -101,7 +113,8 @@ EXPORT_SYMBOL_GPL(asoc_simple_card_parse_card_name);
 int asoc_simple_card_parse_clk(struct device *dev,
 			       struct device_node *node,
 			       struct device_node *dai_of_node,
-			       struct asoc_simple_dai *simple_dai)
+			       struct asoc_simple_dai *simple_dai,
+			       const char *name)
 {
 	struct clk *clk;
 	u32 val;
@@ -124,6 +137,8 @@ int asoc_simple_card_parse_clk(struct device *dev,
 			simple_dai->sysclk = clk_get_rate(clk);
 	}
 
+	dev_dbg(dev, "%s : sysclk = %d\n", name, simple_dai->sysclk);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(asoc_simple_card_parse_clk);
@@ -165,6 +180,71 @@ int asoc_simple_card_parse_dai(struct device_node *node,
 }
 EXPORT_SYMBOL_GPL(asoc_simple_card_parse_dai);
 
+static int asoc_simple_card_get_dai_id(struct device_node *ep)
+{
+	struct device_node *node;
+	struct device_node *endpoint;
+	int i, id;
+	int ret;
+
+	ret = snd_soc_get_dai_id(ep);
+	if (ret != -ENOTSUPP)
+		return ret;
+
+	node = of_graph_get_port_parent(ep);
+
+	/*
+	 * Non HDMI sound case, counting port/endpoint on its DT
+	 * is enough. Let's count it.
+	 */
+	i = 0;
+	id = -1;
+	for_each_endpoint_of_node(node, endpoint) {
+		if (endpoint == ep)
+			id = i;
+		i++;
+	}
+	if (id < 0)
+		return -ENODEV;
+
+	return id;
+}
+
+int asoc_simple_card_parse_graph_dai(struct device_node *ep,
+				     struct device_node **dai_of_node,
+				     const char **dai_name)
+{
+	struct device_node *node;
+	struct of_phandle_args args;
+	int ret;
+
+	if (!ep)
+		return 0;
+	if (!dai_name)
+		return 0;
+
+	/*
+	 * of_graph_get_port_parent() will call
+	 * of_node_put(). So, call of_node_get() here
+	 */
+	of_node_get(ep);
+	node = of_graph_get_port_parent(ep);
+
+	/* Get dai->name */
+	args.np		= node;
+	args.args[0]	= asoc_simple_card_get_dai_id(ep);
+	args.args_count	= (of_graph_get_endpoint_count(node) > 1);
+
+	ret = snd_soc_get_dai_name(&args, dai_name);
+	if (ret < 0)
+		return ret;
+
+	*dai_of_node = node;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_parse_graph_dai);
+
 int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
 			      struct asoc_simple_dai *simple_dai)
 {

sound/soc/generic/simple-card.c

@@ -301,15 +301,6 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
 	dai_link->ops = &asoc_simple_card_ops;
 	dai_link->init = asoc_simple_card_dai_init;
 
-	dev_dbg(dev, "\tname : %s\n", dai_link->stream_name);
-	dev_dbg(dev, "\tformat : %04x\n", dai_link->dai_fmt);
-	dev_dbg(dev, "\tcpu : %s / %d\n",
-		dai_link->cpu_dai_name,
-		dai_props->cpu_dai.sysclk);
-	dev_dbg(dev, "\tcodec : %s / %d\n",
-		dai_link->codec_dai_name,
-		dai_props->codec_dai.sysclk);
-
 	asoc_simple_card_canonicalize_cpu(dai_link, single_cpu);
 
 dai_link_of_err:
@@ -497,8 +488,10 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 	snd_soc_card_set_drvdata(card, priv);
 
 	ret = devm_snd_soc_register_card(dev, card);
-	if (ret >= 0)
-		return ret;
+	if (ret < 0)
+		goto err;
+
+	return 0;
 err:
 	asoc_simple_card_clean_reference(card);
 

sound/soc/generic/simple-scu-card.c

@@ -189,21 +189,16 @@ static int asoc_simple_card_dai_link_of(struct device_node *np,
 	dai_link->ops			= &asoc_simple_card_ops;
 	dai_link->init			= asoc_simple_card_dai_init;
 
-	dev_dbg(dev, "\t%s / %04x / %d\n",
-		dai_link->name,
-		dai_link->dai_fmt,
-		dai_props->sysclk);
-
 	return 0;
 }
 
-static int asoc_simple_card_parse_of(struct device_node *node,
-				     struct simple_card_data *priv)
+static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 
 {
 	struct device *dev = simple_priv_to_dev(priv);
 	struct device_node *np;
 	struct snd_soc_card *card = simple_priv_to_card(priv);
+	struct device_node *node = dev->of_node;
 	unsigned int daifmt = 0;
 	bool is_fe;
 	int ret, i;
@@ -246,8 +241,6 @@ static int asoc_simple_card_parse_of(struct device_node *node,
 	if (ret < 0)
 		return ret;
 
-	dev_dbg(dev, "New card: %s\n",
-		card->name ? card->name : "");
 	dev_dbg(dev, "convert_rate     %d\n", priv->convert_rate);
 	dev_dbg(dev, "convert_channels %d\n", priv->convert_channels);
 
@@ -288,7 +281,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 	card->codec_conf	= &priv->codec_conf;
 	card->num_configs	= 1;
 
-	ret = asoc_simple_card_parse_of(np, priv);
+	ret = asoc_simple_card_parse_of(priv);
 	if (ret < 0) {
 		if (ret != -EPROBE_DEFER)
 			dev_err(dev, "parse error %d\n", ret);
@@ -298,8 +291,10 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 	snd_soc_card_set_drvdata(card, priv);
 
 	ret = devm_snd_soc_register_card(dev, card);
-	if (ret >= 0)
-		return ret;
+	if (ret < 0)
+		goto err;
+
+	return 0;
 err:
 	asoc_simple_card_clean_reference(card);
 

sound/soc/sh/Kconfig

@@ -38,7 +38,7 @@ config SND_SOC_RCAR
 	tristate "R-Car series SRU/SCU/SSIU/SSI support"
 	depends on COMMON_CLK
 	depends on OF || COMPILE_TEST
-	select SND_SIMPLE_CARD
+	select SND_SIMPLE_CARD_UTILS
 	select REGMAP_MMIO
 	help
 	  This option enables R-Car SRU/SCU/SSIU/SSI sound support

sound/soc/sh/rcar/adg.c

@@ -308,23 +308,12 @@ static void rsnd_adg_set_ssi_clk(struct rsnd_mod *ssi_mod, u32 val)
 	}
 }
 
-int rsnd_adg_ssi_clk_stop(struct rsnd_mod *ssi_mod)
-{
-	rsnd_adg_set_ssi_clk(ssi_mod, 0);
-
-	return 0;
-}
-
-int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate)
+int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate)
 {
-	struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
 	struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
 	struct device *dev = rsnd_priv_to_dev(priv);
-	struct rsnd_mod *adg_mod = rsnd_mod_get(adg);
 	struct clk *clk;
 	int i;
-	u32 data;
-	u32 ckr = 0;
 	int sel_table[] = {
 		[CLKA] = 0x1,
 		[CLKB] = 0x2,
@@ -338,30 +327,42 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate)
 	 * find suitable clock from
 	 * AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC/AUDIO_CLKI.
 	 */
-	data = 0;
 	for_each_rsnd_clk(clk, adg, i) {
-		if (rate == clk_get_rate(clk)) {
-			data = sel_table[i];
-			goto found_clock;
-		}
+		if (rate == clk_get_rate(clk))
+			return sel_table[i];
 	}
 
 	/*
 	 * find divided clock from BRGA/BRGB
 	 */
-	if (rate  == adg->rbga_rate_for_441khz) {
-		data = 0x10;
-		goto found_clock;
-	}
+	if (rate == adg->rbga_rate_for_441khz)
+		return 0x10;
 
-	if (rate == adg->rbgb_rate_for_48khz) {
-		data = 0x20;
-		goto found_clock;
-	}
+	if (rate == adg->rbgb_rate_for_48khz)
+		return 0x20;
 
 	return -EIO;
+}
 
-found_clock:
+int rsnd_adg_ssi_clk_stop(struct rsnd_mod *ssi_mod)
+{
+	rsnd_adg_set_ssi_clk(ssi_mod, 0);
+
+	return 0;
+}
+
+int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate)
+{
+	struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
+	struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct rsnd_mod *adg_mod = rsnd_mod_get(adg);
+	int data;
+	u32 ckr = 0;
+
+	data = rsnd_adg_clk_query(priv, rate);
+	if (data < 0)
+		return data;
 
 	rsnd_adg_set_ssi_clk(ssi_mod, data);
 
@@ -480,6 +481,9 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv,
 	if (req_rate[0] % 48000 == 0)
 		adg->flags = AUDIO_OUT_48;
 
+	if (of_get_property(np, "clkout-lr-asynchronous", NULL))
+		adg->flags = LRCLK_ASYNC;
+
 	/*
 	 * This driver is assuming that AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC
 	 * have 44.1kHz or 48kHz base clocks for now.
@@ -555,7 +559,6 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv,
 			clk = clk_register_fixed_rate(dev, clkout_name[i],
 						      parent_clk_name, 0,
 						      req_rate[0]);
-			adg->clkout[i] = ERR_PTR(-ENOENT);
 			if (!IS_ERR(clk))
 				adg->clkout[i] = clk;
 		}
@@ -580,7 +583,6 @@ int rsnd_adg_probe(struct rsnd_priv *priv)
 {
 	struct rsnd_adg *adg;
 	struct device *dev = rsnd_priv_to_dev(priv);
-	struct device_node *np = dev->of_node;
 	int ret;
 
 	adg = devm_kzalloc(dev, sizeof(*adg), GFP_KERNEL);
@@ -597,9 +599,6 @@ int rsnd_adg_probe(struct rsnd_priv *priv)
 	rsnd_adg_get_clkin(priv, adg);
 	rsnd_adg_get_clkout(priv, adg);
 
-	if (of_get_property(np, "clkout-lr-asynchronous", NULL))
-		adg->flags = LRCLK_ASYNC;
-
 	priv->adg = adg;
 
 	rsnd_adg_clk_enable(priv);

sound/soc/sh/rcar/cmd.c

@@ -31,7 +31,7 @@ static int rsnd_cmd_init(struct rsnd_mod *mod,
 	struct rsnd_mod *mix = rsnd_io_to_mod_mix(io);
 	struct device *dev = rsnd_priv_to_dev(priv);
 	u32 data;
-	u32 path[] = {
+	static const u32 path[] = {
 		[1] = 1 << 0,
 		[5] = 1 << 8,
 		[6] = 1 << 12,
@@ -71,7 +71,7 @@ static int rsnd_cmd_init(struct rsnd_mod *mod,
 	} else {
 		struct rsnd_mod *src = rsnd_io_to_mod_src(io);
 
-		u8 cmd_case[] = {
+		static const u8 cmd_case[] = {
 			[0] = 0x3,
 			[1] = 0x3,
 			[2] = 0x4,
@@ -82,6 +82,9 @@ static int rsnd_cmd_init(struct rsnd_mod *mod,
 			[9] = 0x2,
 		};
 
+		if (unlikely(!src))
+			return -EIO;
+
 		data = path[rsnd_mod_id(src)] |
 			cmd_case[rsnd_mod_id(src)] << 16;
 	}

sound/soc/sh/rcar/ctu.c

@@ -279,12 +279,14 @@ static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
 
 	/* CTU Pass */
 	ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU Pass",
+			       rsnd_kctrl_accept_anytime,
 			       NULL,
 			       &ctu->pass, RSND_MAX_CHANNELS,
 			       0xC);
 
 	/* ROW0 */
 	ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV0",
+			       rsnd_kctrl_accept_anytime,
 			       NULL,
 			       &ctu->sv0, RSND_MAX_CHANNELS,
 			       0x00FFFFFF);
@@ -293,6 +295,7 @@ static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
 
 	/* ROW1 */
 	ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV1",
+			       rsnd_kctrl_accept_anytime,
 			       NULL,
 			       &ctu->sv1, RSND_MAX_CHANNELS,
 			       0x00FFFFFF);
@@ -301,6 +304,7 @@ static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
 
 	/* ROW2 */
 	ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV2",
+			       rsnd_kctrl_accept_anytime,
 			       NULL,
 			       &ctu->sv2, RSND_MAX_CHANNELS,
 			       0x00FFFFFF);
@@ -309,6 +313,7 @@ static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
 
 	/* ROW3 */
 	ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV3",
+			       rsnd_kctrl_accept_anytime,
 			       NULL,
 			       &ctu->sv3, RSND_MAX_CHANNELS,
 			       0x00FFFFFF);
@@ -317,6 +322,7 @@ static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
 
 	/* Reset */
 	ret = rsnd_kctrl_new_s(mod, io, rtd, "CTU Reset",
+			       rsnd_kctrl_accept_anytime,
 			       rsnd_ctu_value_reset,
 			       &ctu->reset, 1);
 

sound/soc/sh/rcar/dma.c

@@ -25,6 +25,7 @@
 
 struct rsnd_dmaen {
 	struct dma_chan		*chan;
+	dma_cookie_t		cookie;
 	dma_addr_t		dma_buf;
 	unsigned int		dma_len;
 	unsigned int		dma_period;
@@ -103,10 +104,6 @@ static void __rsnd_dmaen_complete(struct rsnd_mod *mod,
 	 * In Gen2 case, it are Audio-DMAC, and Audio-DMAC-peri-peri.
 	 * But, Audio-DMAC-peri-peri doesn't have interrupt,
 	 * and this driver is assuming that here.
-	 *
-	 * If Audio-DMAC-peri-peri has interrpt,
-	 * rsnd_dai_pointer_update() will be called twice,
-	 * ant it will breaks io->byte_pos
 	 */
 	spin_lock_irqsave(&priv->lock, flags);
 
@@ -121,7 +118,7 @@ static void __rsnd_dmaen_complete(struct rsnd_mod *mod,
 		 */
 		rsnd_dmaen_sync(dmaen, io, dmaen->dma_cnt + 2);
 
-		elapsed = rsnd_dai_pointer_update(io, io->byte_per_period);
+		elapsed = true;
 
 		dmaen->dma_cnt++;
 	}
@@ -292,7 +289,8 @@ static int rsnd_dmaen_start(struct rsnd_mod *mod,
 	for (i = 0; i < 2; i++)
 		rsnd_dmaen_sync(dmaen, io, i);
 
-	if (dmaengine_submit(desc) < 0) {
+	dmaen->cookie = dmaengine_submit(desc);
+	if (dmaen->cookie < 0) {
 		dev_err(dev, "dmaengine_submit() fail\n");
 		return -EIO;
 	}
@@ -348,12 +346,34 @@ static int rsnd_dmaen_attach(struct rsnd_dai_stream *io,
 	return 0;
 }
 
+static int rsnd_dmaen_pointer(struct rsnd_mod *mod,
+			      struct rsnd_dai_stream *io,
+			      snd_pcm_uframes_t *pointer)
+{
+	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+	struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
+	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
+	struct dma_tx_state state;
+	enum dma_status status;
+	unsigned int pos = 0;
+
+	status = dmaengine_tx_status(dmaen->chan, dmaen->cookie, &state);
+	if (status == DMA_IN_PROGRESS || status == DMA_PAUSED) {
+		if (state.residue > 0 && state.residue <= dmaen->dma_len)
+			pos = dmaen->dma_len - state.residue;
+	}
+	*pointer = bytes_to_frames(runtime, pos);
+
+	return 0;
+}
+
 static struct rsnd_mod_ops rsnd_dmaen_ops = {
 	.name	= "audmac",
 	.nolock_start = rsnd_dmaen_nolock_start,
 	.nolock_stop  = rsnd_dmaen_nolock_stop,
 	.start	= rsnd_dmaen_start,
 	.stop	= rsnd_dmaen_stop,
+	.pointer= rsnd_dmaen_pointer,
 };
 
 /*

sound/soc/sh/rcar/dvc.c

@@ -249,16 +249,18 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 			    struct snd_soc_pcm_runtime *rtd)
 {
 	struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod);
+	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
 	int is_play = rsnd_io_is_play(io);
-	int slots = rsnd_get_slot(io);
+	int channels = rsnd_rdai_channels_get(rdai);
 	int ret;
 
 	/* Volume */
 	ret = rsnd_kctrl_new_m(mod, io, rtd,
 			is_play ?
 			"DVC Out Playback Volume" : "DVC In Capture Volume",
+			rsnd_kctrl_accept_anytime,
 			rsnd_dvc_volume_update,
-			&dvc->volume, slots,
+			&dvc->volume, channels,
 			0x00800000 - 1);
 	if (ret < 0)
 		return ret;
@@ -267,8 +269,9 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 	ret = rsnd_kctrl_new_m(mod, io, rtd,
 			is_play ?
 			"DVC Out Mute Switch" : "DVC In Mute Switch",
+			rsnd_kctrl_accept_anytime,
 			rsnd_dvc_volume_update,
-			&dvc->mute,  slots,
+			&dvc->mute, channels,
 			1);
 	if (ret < 0)
 		return ret;
@@ -277,6 +280,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 	ret = rsnd_kctrl_new_s(mod, io, rtd,
 			is_play ?
 			"DVC Out Ramp Switch" : "DVC In Ramp Switch",
+			rsnd_kctrl_accept_anytime,
 			rsnd_dvc_volume_update,
 			&dvc->ren, 1);
 	if (ret < 0)
@@ -285,6 +289,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 	ret = rsnd_kctrl_new_e(mod, io, rtd,
 			is_play ?
 			"DVC Out Ramp Up Rate" : "DVC In Ramp Up Rate",
+			rsnd_kctrl_accept_anytime,
 			rsnd_dvc_volume_update,
 			&dvc->rup,
 			dvc_ramp_rate);
@@ -294,6 +299,7 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 	ret = rsnd_kctrl_new_e(mod, io, rtd,
 			is_play ?
 			"DVC Out Ramp Down Rate" : "DVC In Ramp Down Rate",
+			rsnd_kctrl_accept_anytime,
 			rsnd_dvc_volume_update,
 			&dvc->rdown,
 			dvc_ramp_rate);

sound/soc/sh/rcar/gen.c

@@ -219,6 +219,8 @@ static int rsnd_gen2_probe(struct rsnd_priv *priv)
 		RSND_GEN_S_REG(SSI_SYS_STATUS5,	0x884),
 		RSND_GEN_S_REG(SSI_SYS_STATUS6,	0x888),
 		RSND_GEN_S_REG(SSI_SYS_STATUS7,	0x88c),
+		RSND_GEN_S_REG(HDMI0_SEL,	0x9e0),
+		RSND_GEN_S_REG(HDMI1_SEL,	0x9e4),
 
 		/* FIXME: it needs SSI_MODE2/3 in the future */
 		RSND_GEN_M_REG(SSI_BUSIF_MODE,	0x0,	0x80),

sound/soc/sh/rcar/rsnd.h

@@ -18,6 +18,7 @@
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
+#include <linux/of_graph.h>
 #include <linux/of_irq.h>
 #include <linux/sh_dma.h>
 #include <linux/workqueue.h>
@@ -170,6 +171,8 @@ enum rsnd_reg {
 	RSND_REG_SSI_SYS_STATUS5,
 	RSND_REG_SSI_SYS_STATUS6,
 	RSND_REG_SSI_SYS_STATUS7,
+	RSND_REG_HDMI0_SEL,
+	RSND_REG_HDMI1_SEL,
 
 	/* SSI */
 	RSND_REG_SSICR,
@@ -268,6 +271,9 @@ struct rsnd_mod_ops {
 			 struct rsnd_dai_stream *io,
 			 struct snd_pcm_substream *substream,
 			 struct snd_pcm_hw_params *hw_params);
+	int (*pointer)(struct rsnd_mod *mod,
+		       struct rsnd_dai_stream *io,
+		       snd_pcm_uframes_t *pointer);
 	int (*fallback)(struct rsnd_mod *mod,
 			struct rsnd_dai_stream *io,
 			struct rsnd_priv *priv);
@@ -305,6 +311,7 @@ struct rsnd_mod {
  * H	0: pcm_new
  * H	0: fallback
  * H	0: hw_params
+ * H	0: pointer
  */
 #define __rsnd_mod_shift_nolock_start	0
 #define __rsnd_mod_shift_nolock_stop	0
@@ -318,6 +325,7 @@ struct rsnd_mod {
 #define __rsnd_mod_shift_pcm_new	28 /* always called */
 #define __rsnd_mod_shift_fallback	28 /* always called */
 #define __rsnd_mod_shift_hw_params	28 /* always called */
+#define __rsnd_mod_shift_pointer	28 /* always called */
 
 #define __rsnd_mod_add_probe		0
 #define __rsnd_mod_add_remove		0
@@ -331,6 +339,7 @@ struct rsnd_mod {
 #define __rsnd_mod_add_pcm_new		0
 #define __rsnd_mod_add_fallback		0
 #define __rsnd_mod_add_hw_params	0
+#define __rsnd_mod_add_pointer		0
 
 #define __rsnd_mod_call_probe		0
 #define __rsnd_mod_call_remove		0
@@ -342,6 +351,7 @@ struct rsnd_mod {
 #define __rsnd_mod_call_pcm_new		0
 #define __rsnd_mod_call_fallback	0
 #define __rsnd_mod_call_hw_params	0
+#define __rsnd_mod_call_pointer		0
 #define __rsnd_mod_call_nolock_start	0
 #define __rsnd_mod_call_nolock_stop	1
 
@@ -389,11 +399,6 @@ void rsnd_parse_connect_common(struct rsnd_dai *rdai,
 		struct device_node *playback,
 		struct device_node *capture);
 
-void rsnd_set_slot(struct rsnd_dai *rdai,
-		   int slots, int slots_total);
-int rsnd_get_slot(struct rsnd_dai_stream *io);
-int rsnd_get_slot_num(struct rsnd_dai_stream *io);
-
 int rsnd_runtime_channel_original(struct rsnd_dai_stream *io);
 int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io);
 int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io);
@@ -420,13 +425,8 @@ struct rsnd_dai_stream {
 	char name[RSND_DAI_NAME_SIZE];
 	struct snd_pcm_substream *substream;
 	struct rsnd_mod *mod[RSND_MOD_MAX];
-	struct rsnd_dai_path_info *info; /* rcar_snd.h */
 	struct rsnd_dai *rdai;
 	u32 parent_ssi_status;
-	int byte_pos;
-	int period_pos;
-	int byte_per_period;
-	int next_period_byte;
 };
 #define rsnd_io_to_mod(io, i)	((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
 #define rsnd_io_to_mod_ssi(io)	rsnd_io_to_mod((io), RSND_MOD_SSI)
@@ -449,9 +449,10 @@ struct rsnd_dai {
 	struct rsnd_dai_stream playback;
 	struct rsnd_dai_stream capture;
 	struct rsnd_priv *priv;
+	struct snd_pcm_hw_constraint_list constraint;
 
-	int slots;
-	int slots_num;
+	int max_channels;	/* 2ch - 16ch */
+	int ssi_lane;		/* 1lane - 4lane */
 
 	unsigned int clk_master:1;
 	unsigned int bit_clk_inv:1;
@@ -471,13 +472,24 @@ struct rsnd_dai {
 
 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
 
-bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
+#define rsnd_rdai_channels_set(rdai, max_channels) \
+	rsnd_rdai_channels_ctrl(rdai, max_channels)
+#define rsnd_rdai_channels_get(rdai) \
+	rsnd_rdai_channels_ctrl(rdai, 0)
+int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai,
+			    int max_channels);
+
+#define rsnd_rdai_ssi_lane_set(rdai, ssi_lane) \
+	rsnd_rdai_ssi_lane_ctrl(rdai, ssi_lane)
+#define rsnd_rdai_ssi_lane_get(rdai) \
+	rsnd_rdai_ssi_lane_ctrl(rdai, 0)
+int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai,
+			    int ssi_lane);
+
 void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io);
-int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
 int rsnd_dai_connect(struct rsnd_mod *mod,
 		     struct rsnd_dai_stream *io,
 		     enum rsnd_mod_type type);
-#define rsnd_dai_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_DAI)
 
 /*
  *	R-Car Gen1/Gen2
@@ -491,6 +503,7 @@ phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
 /*
  *	R-Car ADG
  */
+int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate);
 int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
 int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
 int rsnd_adg_probe(struct rsnd_priv *priv);
@@ -596,6 +609,7 @@ struct rsnd_kctrl_cfg {
 	unsigned int size;
 	u32 *val;
 	const char * const *texts;
+	int (*accept)(struct rsnd_dai_stream *io);
 	void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
 	struct rsnd_dai_stream *io;
 	struct snd_card *card;
@@ -613,12 +627,15 @@ struct rsnd_kctrl_cfg_s {
 	u32 val;
 };
 
+int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io);
+int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io);
 struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg);
 struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg);
 int rsnd_kctrl_new(struct rsnd_mod *mod,
 		   struct rsnd_dai_stream *io,
 		   struct snd_soc_pcm_runtime *rtd,
 		   const unsigned char *name,
+		   int (*accept)(struct rsnd_dai_stream *io),
 		   void (*update)(struct rsnd_dai_stream *io,
 				  struct rsnd_mod *mod),
 		   struct rsnd_kctrl_cfg *cfg,
@@ -626,16 +643,16 @@ int rsnd_kctrl_new(struct rsnd_mod *mod,
 		   int size,
 		   u32 max);
 
-#define rsnd_kctrl_new_m(mod, io, rtd, name, update, cfg, size, max) \
-	rsnd_kctrl_new(mod, io, rtd, name, update, rsnd_kctrl_init_m(cfg), \
+#define rsnd_kctrl_new_m(mod, io, rtd, name, accept, update, cfg, size, max) \
+	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_m(cfg), \
 		       NULL, size, max)
 
-#define rsnd_kctrl_new_s(mod, io, rtd, name, update, cfg, max)	\
-	rsnd_kctrl_new(mod, io, rtd, name, update, rsnd_kctrl_init_s(cfg), \
+#define rsnd_kctrl_new_s(mod, io, rtd, name, accept, update, cfg, max)	\
+	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
 		       NULL, 1, max)
 
-#define rsnd_kctrl_new_e(mod, io, rtd, name, update, cfg, texts)	\
-	rsnd_kctrl_new(mod, io, rtd, name, update, rsnd_kctrl_init_s(cfg), \
+#define rsnd_kctrl_new_e(mod, io, rtd, name, accept, update, cfg, texts)	\
+	rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
 		       texts, 1, ARRAY_SIZE(texts))
 
 /*
@@ -648,6 +665,13 @@ int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
 u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io);
 
+#define RSND_SSI_HDMI_PORT0	0xf0
+#define RSND_SSI_HDMI_PORT1	0xf1
+int rsnd_ssi_hdmi_port(struct rsnd_dai_stream *io);
+void rsnd_ssi_parse_hdmi_connection(struct rsnd_priv *priv,
+				    struct device_node *endpoint,
+				    int dai_i);
+
 #define rsnd_ssi_is_pin_sharing(io)	\
 	__rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
 int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
@@ -656,6 +680,8 @@ int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
 void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
 			    struct device_node *playback,
 			    struct device_node *capture);
+unsigned int rsnd_ssi_clk_query(struct rsnd_priv *priv,
+		       int param1, int param2, int *idx);
 
 /*
  *	R-Car SSIU

sound/soc/sh/rcar/src.c

@@ -12,10 +12,6 @@
 
 #define SRC_NAME "src"
 
-/* SRCx_STATUS */
-#define OUF_SRCO	((1 << 12) | (1 << 13))
-#define OUF_SRCI	((1 <<  9) | (1 <<  8))
-
 /* SCU_SYSTEM_STATUS0/1 */
 #define OUF_SRC(id)	((1 << (id + 16)) | (1 << id))
 
@@ -55,20 +51,6 @@ struct rsnd_src {
  *
  */
 
-/*
- * src.c is caring...
- *
- * Gen1
- *
- * [mem] -> [SRU] -> [SSI]
- *        |--------|
- *
- * Gen2
- *
- * [mem] -> [SRC] -> [SSIU] -> [SSI]
- *        |-----------------|
- */
-
 static void rsnd_src_activation(struct rsnd_mod *mod)
 {
 	rsnd_mod_write(mod, SRC_SWRSR, 0);
@@ -515,6 +497,7 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod,
 			       rsnd_io_is_play(io) ?
 			       "SRC Out Rate Switch" :
 			       "SRC In Rate Switch",
+			       rsnd_kctrl_accept_anytime,
 			       rsnd_src_set_convert_rate,
 			       &src->sen, 1);
 	if (ret < 0)
@@ -524,6 +507,7 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod,
 			       rsnd_io_is_play(io) ?
 			       "SRC Out Rate" :
 			       "SRC In Rate",
+			       rsnd_kctrl_accept_runtime,
 			       rsnd_src_set_convert_rate,
 			       &src->sync, 192000);
 

sound/soc/sh/rcar/ssi.c

@@ -11,6 +11,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <sound/simple_card_utils.h>
 #include <linux/delay.h>
 #include "rsnd.h"
 #define RSND_SSI_NAME_SIZE 16
@@ -76,11 +77,18 @@ struct rsnd_ssi {
 	int rate;
 	int irq;
 	unsigned int usrcnt;
+
+	int byte_pos;
+	int period_pos;
+	int byte_per_period;
+	int next_period_byte;
 };
 
 /* flags */
 #define RSND_SSI_CLK_PIN_SHARE		(1 << 0)
 #define RSND_SSI_NO_BUSIF		(1 << 1) /* SSI+DMA without BUSIF */
+#define RSND_SSI_HDMI0			(1 << 2) /* for HDMI0 */
+#define RSND_SSI_HDMI1			(1 << 3) /* for HDMI1 */
 
 #define for_each_rsnd_ssi(pos, priv, i)					\
 	for (i = 0;							\
@@ -99,6 +107,20 @@ struct rsnd_ssi {
 #define rsnd_ssi_is_run_mods(mod, io) \
 	(rsnd_ssi_run_mods(io) & (1 << rsnd_mod_id(mod)))
 
+int rsnd_ssi_hdmi_port(struct rsnd_dai_stream *io)
+{
+	struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
+	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+
+	if (rsnd_ssi_mode_flags(ssi) & RSND_SSI_HDMI0)
+		return RSND_SSI_HDMI_PORT0;
+
+	if (rsnd_ssi_mode_flags(ssi) & RSND_SSI_HDMI1)
+		return RSND_SSI_HDMI_PORT1;
+
+	return 0;
+}
+
 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io)
 {
 	struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
@@ -186,6 +208,46 @@ u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io)
 	return 0;
 }
 
+unsigned int rsnd_ssi_clk_query(struct rsnd_priv *priv,
+		       int param1, int param2, int *idx)
+{
+	int ssi_clk_mul_table[] = {
+		1, 2, 4, 8, 16, 6, 12,
+	};
+	int j, ret;
+	unsigned int main_rate;
+
+	for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) {
+
+		/*
+		 * It will set SSIWSR.CONT here, but SSICR.CKDV = 000
+		 * with it is not allowed. (SSIWSR.WS_MODE with
+		 * SSICR.CKDV = 000 is not allowed either).
+		 * Skip it. See SSICR.CKDV
+		 */
+		if (j == 0)
+			continue;
+
+		/*
+		 * this driver is assuming that
+		 * system word is 32bit x chan
+		 * see rsnd_ssi_init()
+		 */
+		main_rate = 32 * param1 * param2 * ssi_clk_mul_table[j];
+
+		ret = rsnd_adg_clk_query(priv, main_rate);
+		if (ret < 0)
+			continue;
+
+		if (idx)
+			*idx = j;
+
+		return main_rate;
+	}
+
+	return 0;
+}
+
 static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 				     struct rsnd_dai_stream *io)
 {
@@ -195,10 +257,7 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
 	struct rsnd_mod *ssi_parent_mod = rsnd_io_to_mod_ssip(io);
 	int chan = rsnd_runtime_channel_for_ssi(io);
-	int j, ret;
-	int ssi_clk_mul_table[] = {
-		1, 2, 4, 8, 16, 6, 12,
-	};
+	int idx, ret;
 	unsigned int main_rate;
 	unsigned int rate = rsnd_io_is_play(io) ?
 		rsnd_src_get_out_rate(priv, io) :
@@ -222,33 +281,18 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 		return 0;
 	}
 
-	/*
-	 * Find best clock, and try to start ADG
-	 */
-	for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) {
-
-		/*
-		 * It will set SSIWSR.CONT here, but SSICR.CKDV = 000
-		 * with it is not allowed. (SSIWSR.WS_MODE with
-		 * SSICR.CKDV = 000 is not allowed either).
-		 * Skip it. See SSICR.CKDV
-		 */
-		if (j == 0)
-			continue;
-
-		/*
-		 * this driver is assuming that
-		 * system word is 32bit x chan
-		 * see rsnd_ssi_init()
-		 */
-		main_rate = rate * 32 * chan * ssi_clk_mul_table[j];
+	main_rate = rsnd_ssi_clk_query(priv, rate, chan, &idx);
+	if (!main_rate) {
+		dev_err(dev, "unsupported clock rate\n");
+		return -EIO;
+	}
 
 	ret = rsnd_adg_ssi_clk_try_start(mod, main_rate);
-		if (0 == ret) {
-			ssi->cr_clk	= FORCE | SWL_32 |
-				SCKD | SWSD | CKDV(j);
-			ssi->wsr = CONT;
+	if (ret < 0)
+		return ret;
 
+	ssi->cr_clk = FORCE | SWL_32 | SCKD | SWSD | CKDV(idx);
+	ssi->wsr = CONT;
 	ssi->rate = rate;
 
 	dev_dbg(dev, "%s[%d] outputs %u Hz\n",
@@ -256,11 +300,6 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 		rsnd_mod_id(mod), rate);
 
 	return 0;
-		}
-	}
-
-	dev_err(dev, "unsupported clock rate\n");
-	return -EIO;
 }
 
 static void rsnd_ssi_master_clk_stop(struct rsnd_mod *mod,
@@ -357,6 +396,59 @@ static void rsnd_ssi_register_setup(struct rsnd_mod *mod)
 					ssi->cr_mode); /* without EN */
 }
 
+static void rsnd_ssi_pointer_init(struct rsnd_mod *mod,
+				  struct rsnd_dai_stream *io)
+{
+	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+
+	ssi->byte_pos		= 0;
+	ssi->period_pos		= 0;
+	ssi->byte_per_period	= runtime->period_size *
+				  runtime->channels *
+				  samples_to_bytes(runtime, 1);
+	ssi->next_period_byte	= ssi->byte_per_period;
+}
+
+static int rsnd_ssi_pointer_offset(struct rsnd_mod *mod,
+				   struct rsnd_dai_stream *io,
+				   int additional)
+{
+	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+	int pos = ssi->byte_pos + additional;
+
+	pos %= (runtime->periods * ssi->byte_per_period);
+
+	return pos;
+}
+
+static bool rsnd_ssi_pointer_update(struct rsnd_mod *mod,
+				    struct rsnd_dai_stream *io,
+				    int byte)
+{
+	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+
+	ssi->byte_pos += byte;
+
+	if (ssi->byte_pos >= ssi->next_period_byte) {
+		struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+
+		ssi->period_pos++;
+		ssi->next_period_byte += ssi->byte_per_period;
+
+		if (ssi->period_pos >= runtime->periods) {
+			ssi->byte_pos = 0;
+			ssi->period_pos = 0;
+			ssi->next_period_byte = ssi->byte_per_period;
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
 /*
  *	SSI mod common functions
  */
@@ -370,6 +462,8 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
 	if (!rsnd_ssi_is_run_mods(mod, io))
 		return 0;
 
+	rsnd_ssi_pointer_init(mod, io);
+
 	ssi->usrcnt++;
 
 	rsnd_mod_power_on(mod);
@@ -549,7 +643,7 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod,
 	if (!is_dma && (status & DIRQ)) {
 		struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
 		u32 *buf = (u32 *)(runtime->dma_area +
-				   rsnd_dai_pointer_offset(io, 0));
+				   rsnd_ssi_pointer_offset(mod, io, 0));
 		int shift = 0;
 
 		switch (runtime->sample_bits) {
@@ -568,7 +662,7 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod,
 		else
 			*buf = (rsnd_mod_read(mod, SSIRDR) >> shift);
 
-		elapsed = rsnd_dai_pointer_update(io, sizeof(*buf));
+		elapsed = rsnd_ssi_pointer_update(mod, io, sizeof(*buf));
 	}
 
 	/* DMA only */
@@ -675,6 +769,18 @@ static int rsnd_ssi_common_probe(struct rsnd_mod *mod,
 	return ret;
 }
 
+static int rsnd_ssi_pointer(struct rsnd_mod *mod,
+			    struct rsnd_dai_stream *io,
+			    snd_pcm_uframes_t *pointer)
+{
+	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+
+	*pointer = bytes_to_frames(runtime, ssi->byte_pos);
+
+	return 0;
+}
+
 static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
 	.name	= SSI_NAME,
 	.probe	= rsnd_ssi_common_probe,
@@ -683,6 +789,7 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
 	.start	= rsnd_ssi_start,
 	.stop	= rsnd_ssi_stop,
 	.irq	= rsnd_ssi_irq,
+	.pointer= rsnd_ssi_pointer,
 	.pcm_new = rsnd_ssi_pcm_new,
 	.hw_params = rsnd_ssi_hw_params,
 };
@@ -786,13 +893,6 @@ int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
 }
 
 
-/*
- *		Non SSI
- */
-static struct rsnd_mod_ops rsnd_ssi_non_ops = {
-	.name	= SSI_NAME,
-};
-
 /*
  *		ssi mod function
  */
@@ -814,7 +914,8 @@ static void rsnd_ssi_connect(struct rsnd_mod *mod,
 		type = types[i];
 		if (!rsnd_io_to_mod(io, type)) {
 			rsnd_dai_connect(mod, io, type);
-			rsnd_set_slot(rdai, 2 * (i + 1), (i + 1));
+			rsnd_rdai_channels_set(rdai, (i + 1) * 2);
+			rsnd_rdai_ssi_lane_set(rdai, (i + 1));
 			return;
 		}
 	}
@@ -847,6 +948,47 @@ void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
 	of_node_put(node);
 }
 
+static void __rsnd_ssi_parse_hdmi_connection(struct rsnd_priv *priv,
+					     struct rsnd_dai_stream *io,
+					     struct device_node *remote_ep)
+{
+	struct device *dev = rsnd_priv_to_dev(priv);
+	struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
+	struct rsnd_ssi *ssi;
+
+	if (!mod)
+		return;
+
+	ssi  = rsnd_mod_to_ssi(mod);
+
+	if (strstr(remote_ep->full_name, "hdmi0")) {
+		ssi->flags |= RSND_SSI_HDMI0;
+		dev_dbg(dev, "%s[%d] connected to HDMI0\n",
+			 rsnd_mod_name(mod), rsnd_mod_id(mod));
+	}
+
+	if (strstr(remote_ep->full_name, "hdmi1")) {
+		ssi->flags |= RSND_SSI_HDMI1;
+		dev_dbg(dev, "%s[%d] connected to HDMI1\n",
+			rsnd_mod_name(mod), rsnd_mod_id(mod));
+	}
+}
+
+void rsnd_ssi_parse_hdmi_connection(struct rsnd_priv *priv,
+				    struct device_node *endpoint,
+				    int dai_i)
+{
+	struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
+	struct device_node *remote_ep;
+
+	remote_ep = of_graph_get_remote_endpoint(endpoint);
+	if (!remote_ep)
+		return;
+
+	__rsnd_ssi_parse_hdmi_connection(priv, &rdai->playback, remote_ep);
+	__rsnd_ssi_parse_hdmi_connection(priv, &rdai->capture,  remote_ep);
+}
+
 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id)
 {
 	if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv)))
@@ -952,7 +1094,6 @@ int rsnd_ssi_probe(struct rsnd_priv *priv)
 			goto rsnd_ssi_probe_done;
 		}
 
-		ops = &rsnd_ssi_non_ops;
 		if (of_property_read_bool(np, "pio-transfer"))
 			ops = &rsnd_ssi_pio_ops;
 		else

sound/soc/sh/rcar/ssiu.c

@@ -123,6 +123,7 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
 			       struct rsnd_dai_stream *io,
 			       struct rsnd_priv *priv)
 {
+	int hdmi = rsnd_ssi_hdmi_port(io);
 	int ret;
 
 	ret = rsnd_ssiu_init(mod, io, priv);
@@ -150,6 +151,42 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
 			       rsnd_get_dalign(mod, io));
 	}
 
+	if (hdmi) {
+		enum rsnd_mod_type rsnd_ssi_array[] = {
+			RSND_MOD_SSIM1,
+			RSND_MOD_SSIM2,
+			RSND_MOD_SSIM3,
+		};
+		struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
+		struct rsnd_mod *pos;
+		u32 val;
+		int i, shift;
+
+		i = rsnd_mod_id(ssi_mod);
+
+		/* output all same SSI as default */
+		val =	i << 16 |
+			i << 20 |
+			i << 24 |
+			i << 28 |
+			i;
+
+		for_each_rsnd_mod_array(i, pos, io, rsnd_ssi_array) {
+			shift	= (i * 4) + 16;
+			val	= (val & ~(0xF << shift)) |
+				rsnd_mod_id(pos) << shift;
+		}
+
+		switch (hdmi) {
+		case RSND_SSI_HDMI_PORT0:
+			rsnd_mod_write(mod, HDMI0_SEL, val);
+			break;
+		case RSND_SSI_HDMI_PORT1:
+			rsnd_mod_write(mod, HDMI1_SEL, val);
+			break;
+		}
+	}
+
 	return 0;
 }
 

sound/soc/soc-core.c

@@ -34,6 +34,7 @@
 #include <linux/ctype.h>
 #include <linux/slab.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <linux/dmi.h>
 #include <sound/core.h>
 #include <sound/jack.h>
@@ -3992,11 +3993,15 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
 		prefix = "";
 
 	/*
-	 * check "[prefix]format = xxx"
+	 * check "dai-format = xxx"
+	 * or    "[prefix]format = xxx"
 	 * SND_SOC_DAIFMT_FORMAT_MASK area
 	 */
+	ret = of_property_read_string(np, "dai-format", &str);
+	if (ret < 0) {
 		snprintf(prop, sizeof(prop), "%sformat", prefix);
 		ret = of_property_read_string(np, prop, &str);
+	}
 	if (ret == 0) {
 		for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) {
 			if (strcmp(str, of_fmt_table[i].name) == 0) {
@@ -4076,6 +4081,42 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
 }
 EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
 
+int snd_soc_get_dai_id(struct device_node *ep)
+{
+	struct snd_soc_component *pos;
+	struct device_node *node;
+	int ret;
+
+	node = of_graph_get_port_parent(ep);
+
+	/*
+	 * For example HDMI case, HDMI has video/sound port,
+	 * but ALSA SoC needs sound port number only.
+	 * Thus counting HDMI DT port/endpoint doesn't work.
+	 * Then, it should have .of_xlate_dai_id
+	 */
+	ret = -ENOTSUPP;
+	mutex_lock(&client_mutex);
+	list_for_each_entry(pos, &component_list, list) {
+		struct device_node *component_of_node = pos->dev->of_node;
+
+		if (!component_of_node && pos->dev->parent)
+			component_of_node = pos->dev->parent->of_node;
+
+		if (component_of_node != node)
+			continue;
+
+		if (pos->driver->of_xlate_dai_id)
+			ret = pos->driver->of_xlate_dai_id(pos, ep);
+
+		break;
+	}
+	mutex_unlock(&client_mutex);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_dai_id);
+
 int snd_soc_get_dai_name(struct of_phandle_args *args,
 				const char **dai_name)
 {