1 files changed, 116 insertions, 153 deletions

diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 6ec78f3096dd..45ef295743ec 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -99,9 +99,7 @@ struct rsnd_ssi {
 /* 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 RSND_SSI_PROBED			(1 << 4)
+#define RSND_SSI_PROBED			(1 << 2)
 
 #define for_each_rsnd_ssi(pos, priv, i)					\
 	for (i = 0;							\
@@ -119,19 +117,7 @@ struct rsnd_ssi {
 	(rsnd_ssi_run_mods(io) & (1 << rsnd_mod_id(mod)))
 #define rsnd_ssi_can_output_clk(mod) (!__rsnd_ssi_is_pin_sharing(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_flags_has(ssi, RSND_SSI_HDMI0))
-		return RSND_SSI_HDMI_PORT0;
-
-	if (rsnd_flags_has(ssi, RSND_SSI_HDMI1))
-		return RSND_SSI_HDMI_PORT1;
-
-	return 0;
-}
+static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
 
 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io)
 {
@@ -150,11 +136,6 @@ int rsnd_ssi_use_busif(struct rsnd_dai_stream *io)
 	return use_busif;
 }
 
-int rsnd_ssi_get_busif(struct rsnd_dai_stream *io)
-{
-	return 0; /* BUSIF0 only for now */
-}
-
 static void rsnd_ssi_status_clear(struct rsnd_mod *mod)
 {
 	rsnd_mod_write(mod, SSISR, 0);
@@ -181,8 +162,7 @@ static void rsnd_ssi_status_check(struct rsnd_mod *mod,
 		udelay(5);
 	}
 
-	dev_warn(dev, "%s[%d] status check failed\n",
-		 rsnd_mod_name(mod), rsnd_mod_id(mod));
+	dev_warn(dev, "%s status check failed\n", rsnd_mod_name(mod));
 }
 
 static u32 rsnd_ssi_multi_slaves(struct rsnd_dai_stream *io)
@@ -224,7 +204,7 @@ static u32 rsnd_ssi_run_mods(struct rsnd_dai_stream *io)
 
 u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io)
 {
-	if (rsnd_runtime_is_ssi_multi(io))
+	if (rsnd_runtime_is_multi_ssi(io))
 		return rsnd_ssi_multi_slaves(io);
 
 	return 0;
@@ -320,6 +300,9 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 		return 0;
 	}
 
+	if (rsnd_runtime_is_tdm_split(io))
+		chan = rsnd_io_converted_chan(io);
+
 	main_rate = rsnd_ssi_clk_query(rdai, rate, chan, &idx);
 	if (!main_rate) {
 		dev_err(dev, "unsupported clock rate\n");
@@ -346,9 +329,8 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 	ssi->rate = rate;
 	ssi->chan = chan;
 
-	dev_dbg(dev, "%s[%d] outputs %u Hz\n",
-		rsnd_mod_name(mod),
-		rsnd_mod_id(mod), rate);
+	dev_dbg(dev, "%s outputs %d chan %u Hz\n",
+		rsnd_mod_name(mod), chan, rate);
 
 	return 0;
 }
@@ -379,14 +361,23 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod,
 				struct rsnd_dai_stream *io)
 {
 	struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
+	struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
+	struct device *dev = rsnd_priv_to_dev(priv);
 	struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
 	u32 cr_own	= ssi->cr_own;
 	u32 cr_mode	= ssi->cr_mode;
 	u32 wsr		= ssi->wsr;
-	int is_tdm;
+	int width;
+	int is_tdm, is_tdm_split;
+
+	is_tdm		= rsnd_runtime_is_tdm(io);
+	is_tdm_split	= rsnd_runtime_is_tdm_split(io);
 
-	is_tdm = rsnd_runtime_is_ssi_tdm(io);
+	if (is_tdm)
+		dev_dbg(dev, "TDM mode\n");
+	if (is_tdm_split)
+		dev_dbg(dev, "TDM Split mode\n");
 
 	cr_own |= FORCE | rsnd_rdai_width_to_swl(rdai);
 
@@ -405,7 +396,7 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod,
 	 *	rsnd_ssiu_init_gen2()
 	 */
 	wsr = ssi->wsr;
-	if (is_tdm) {
+	if (is_tdm || is_tdm_split) {
 		wsr	|= WS_MODE;
 		cr_own	|= CHNL_8;
 	}
@@ -421,7 +412,18 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod,
 		cr_own |= TRMD;
 
 	cr_own &= ~DWL_MASK;
-	switch (snd_pcm_format_width(runtime->format)) {
+	width = snd_pcm_format_width(runtime->format);
+	if (is_tdm_split) {
+		/*
+		 * The SWL and DWL bits in SSICR should be fixed at 32-bit
+		 * setting when TDM split mode.
+		 * see datasheet
+		 *	Operation :: TDM Format Split Function (TDM Split Mode)
+		 */
+		width = 32;
+	}
+
+	switch (width) {
 	case 8:
 		cr_own |= DWL_8;
 		break;
@@ -431,6 +433,9 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod,
 	case 24:
 		cr_own |= DWL_24;
 		break;
+	case 32:
+		cr_own |= DWL_32;
+		break;
 	}
 
 	if (rsnd_ssi_is_dma_mode(mod)) {
@@ -494,8 +499,7 @@ static int rsnd_ssi_quit(struct rsnd_mod *mod,
 		return 0;
 
 	if (!ssi->usrcnt) {
-		dev_err(dev, "%s[%d] usrcnt error\n",
-			rsnd_mod_name(mod), rsnd_mod_id(mod));
+		dev_err(dev, "%s usrcnt error\n", rsnd_mod_name(mod));
 		return -EIO;
 	}
 
@@ -654,8 +658,8 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod,
 
 	/* DMA only */
 	if (is_dma && (status & (UIRQ | OIRQ))) {
-		rsnd_dbg_irq_status(dev, "%s[%d] err status : 0x%08x\n",
-			rsnd_mod_name(mod), rsnd_mod_id(mod), status);
+		rsnd_dbg_irq_status(dev, "%s err status : 0x%08x\n",
+			rsnd_mod_name(mod), status);
 
 		stop = true;
 	}
@@ -681,6 +685,41 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
+static u32 *rsnd_ssi_get_status(struct rsnd_mod *mod,
+				struct rsnd_dai_stream *io,
+				enum rsnd_mod_type type)
+{
+	/*
+	 * SSIP (= SSI parent) needs to be special, otherwise,
+	 * 2nd SSI might doesn't start. see also rsnd_mod_call()
+	 *
+	 * We can't include parent SSI status on SSI, because we don't know
+	 * how many SSI requests parent SSI. Thus, it is localed on "io" now.
+	 * ex) trouble case
+	 *	Playback: SSI0
+	 *	Capture : SSI1 (needs SSI0)
+	 *
+	 * 1) start Capture  ->	SSI0/SSI1 are started.
+	 * 2) start Playback ->	SSI0 doesn't work, because it is already
+	 *			marked as "started" on 1)
+	 *
+	 * OTOH, using each mod's status is good for MUX case.
+	 * It doesn't need to start in 2nd start
+	 * ex)
+	 *	IO-0: SRC0 -> CTU1 -+-> MUX -> DVC -> SSIU -> SSI0
+	 *			    |
+	 *	IO-1: SRC1 -> CTU2 -+
+	 *
+	 * 1) start IO-0 ->	start SSI0
+	 * 2) start IO-1 ->	SSI0 doesn't need to start, because it is
+	 *			already started on 1)
+	 */
+	if (type == RSND_MOD_SSIP)
+		return &io->parent_ssi_status;
+
+	return rsnd_mod_get_status(mod, io, type);
+}
+
 /*
  *		SSI PIO
  */
@@ -730,7 +769,7 @@ static int rsnd_ssi_common_probe(struct rsnd_mod *mod,
 {
 	struct device *dev = rsnd_priv_to_dev(priv);
 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
-	int ret;
+	int ret = 0;
 
 	/*
 	 * SSIP/SSIU/IRQ are not needed on
@@ -744,10 +783,6 @@ static int rsnd_ssi_common_probe(struct rsnd_mod *mod,
 	 * see rsnd_ssi_pcm_new()
 	 */
 
-	ret = rsnd_ssiu_attach(io, mod);
-	if (ret < 0)
-		return ret;
-
 	/*
 	 * SSI might be called again as PIO fallback
 	 * It is easy to manual handling for IRQ request/free
@@ -876,18 +911,19 @@ static int rsnd_ssi_prepare(struct rsnd_mod *mod,
 }
 
 static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
-	.name	= SSI_NAME,
-	.probe	= rsnd_ssi_common_probe,
-	.remove	= rsnd_ssi_common_remove,
-	.init	= rsnd_ssi_pio_init,
-	.quit	= rsnd_ssi_quit,
-	.start	= rsnd_ssi_start,
-	.stop	= rsnd_ssi_stop,
-	.irq	= rsnd_ssi_irq,
-	.pointer = rsnd_ssi_pio_pointer,
-	.pcm_new = rsnd_ssi_pcm_new,
-	.hw_params = rsnd_ssi_hw_params,
-	.prepare = rsnd_ssi_prepare,
+	.name		= SSI_NAME,
+	.probe		= rsnd_ssi_common_probe,
+	.remove		= rsnd_ssi_common_remove,
+	.init		= rsnd_ssi_pio_init,
+	.quit		= rsnd_ssi_quit,
+	.start		= rsnd_ssi_start,
+	.stop		= rsnd_ssi_stop,
+	.irq		= rsnd_ssi_irq,
+	.pointer	= rsnd_ssi_pio_pointer,
+	.pcm_new	= rsnd_ssi_pcm_new,
+	.hw_params	= rsnd_ssi_hw_params,
+	.prepare	= rsnd_ssi_prepare,
+	.get_status	= rsnd_ssi_get_status,
 };
 
 static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
@@ -928,8 +964,7 @@ static int rsnd_ssi_fallback(struct rsnd_mod *mod,
 	 */
 	mod->ops = &rsnd_ssi_pio_ops;
 
-	dev_info(dev, "%s[%d] fallback to PIO mode\n",
-		 rsnd_mod_name(mod), rsnd_mod_id(mod));
+	dev_info(dev, "%s fallback to PIO mode\n", rsnd_mod_name(mod));
 
 	return 0;
 }
@@ -941,6 +976,17 @@ static struct dma_chan *rsnd_ssi_dma_req(struct rsnd_dai_stream *io,
 	int is_play = rsnd_io_is_play(io);
 	char *name;
 
+	/*
+	 * It should use "rcar_sound,ssiu" on DT.
+	 * But, we need to keep compatibility for old version.
+	 *
+	 * If it has "rcar_sound.ssiu", it will be used.
+	 * If not, "rcar_sound.ssi" will be used.
+	 * see
+	 *	rsnd_ssiu_dma_req()
+	 *	rsnd_dma_of_path()
+	 */
+
 	if (rsnd_ssi_use_busif(io))
 		name = is_play ? "rxu" : "txu";
 	else
@@ -951,27 +997,27 @@ static struct dma_chan *rsnd_ssi_dma_req(struct rsnd_dai_stream *io,
 }
 
 static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
-	.name	= SSI_NAME,
-	.dma_req = rsnd_ssi_dma_req,
-	.probe	= rsnd_ssi_dma_probe,
-	.remove	= rsnd_ssi_common_remove,
-	.init	= rsnd_ssi_init,
-	.quit	= rsnd_ssi_quit,
-	.start	= rsnd_ssi_start,
-	.stop	= rsnd_ssi_stop,
-	.irq	= rsnd_ssi_irq,
-	.pcm_new = rsnd_ssi_pcm_new,
-	.fallback = rsnd_ssi_fallback,
-	.hw_params = rsnd_ssi_hw_params,
-	.prepare = rsnd_ssi_prepare,
+	.name		= SSI_NAME,
+	.dma_req	= rsnd_ssi_dma_req,
+	.probe		= rsnd_ssi_dma_probe,
+	.remove		= rsnd_ssi_common_remove,
+	.init		= rsnd_ssi_init,
+	.quit		= rsnd_ssi_quit,
+	.start		= rsnd_ssi_start,
+	.stop		= rsnd_ssi_stop,
+	.irq		= rsnd_ssi_irq,
+	.pcm_new	= rsnd_ssi_pcm_new,
+	.fallback	= rsnd_ssi_fallback,
+	.hw_params	= rsnd_ssi_hw_params,
+	.prepare	= rsnd_ssi_prepare,
+	.get_status	= rsnd_ssi_get_status,
 };
 
-int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
+static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
 {
 	return mod->ops == &rsnd_ssi_dma_ops;
 }
 
-
 /*
  *		ssi mod function
  */
@@ -1027,54 +1073,6 @@ 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;
-	struct device_node *remote_node = of_graph_get_port_parent(remote_ep);
-
-	/* support Gen3 only */
-	if (!rsnd_is_gen3(priv))
-		return;
-
-	if (!mod)
-		return;
-
-	ssi  = rsnd_mod_to_ssi(mod);
-
-	/* HDMI0 */
-	if (strstr(remote_node->full_name, "hdmi@fead0000")) {
-		rsnd_flags_set(ssi, RSND_SSI_HDMI0);
-		dev_dbg(dev, "%s[%d] connected to HDMI0\n",
-			 rsnd_mod_name(mod), rsnd_mod_id(mod));
-	}
-
-	/* HDMI1 */
-	if (strstr(remote_node->full_name, "hdmi@feae0000")) {
-		rsnd_flags_set(ssi, 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)))
@@ -1091,41 +1089,6 @@ int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod)
 	return !!(rsnd_flags_has(rsnd_mod_to_ssi(mod), RSND_SSI_CLK_PIN_SHARE));
 }
 
-static u32 *rsnd_ssi_get_status(struct rsnd_dai_stream *io,
-				struct rsnd_mod *mod,
-				enum rsnd_mod_type type)
-{
-	/*
-	 * SSIP (= SSI parent) needs to be special, otherwise,
-	 * 2nd SSI might doesn't start. see also rsnd_mod_call()
-	 *
-	 * We can't include parent SSI status on SSI, because we don't know
-	 * how many SSI requests parent SSI. Thus, it is localed on "io" now.
-	 * ex) trouble case
-	 *	Playback: SSI0
-	 *	Capture : SSI1 (needs SSI0)
-	 *
-	 * 1) start Capture  ->	SSI0/SSI1 are started.
-	 * 2) start Playback ->	SSI0 doesn't work, because it is already
-	 *			marked as "started" on 1)
-	 *
-	 * OTOH, using each mod's status is good for MUX case.
-	 * It doesn't need to start in 2nd start
-	 * ex)
-	 *	IO-0: SRC0 -> CTU1 -+-> MUX -> DVC -> SSIU -> SSI0
-	 *			    |
-	 *	IO-1: SRC1 -> CTU2 -+
-	 *
-	 * 1) start IO-0 ->	start SSI0
-	 * 2) start IO-1 ->	SSI0 doesn't need to start, because it is
-	 *			already started on 1)
-	 */
-	if (type == RSND_MOD_SSIP)
-		return &io->parent_ssi_status;
-
-	return rsnd_mod_get_status(io, mod, type);
-}
-
 int rsnd_ssi_probe(struct rsnd_priv *priv)
 {
 	struct device_node *node;
@@ -1192,7 +1155,7 @@ int rsnd_ssi_probe(struct rsnd_priv *priv)
 			ops = &rsnd_ssi_dma_ops;
 
 		ret = rsnd_mod_init(priv, rsnd_mod_get(ssi), ops, clk,
-				    rsnd_ssi_get_status, RSND_MOD_SSI, i);
+				    RSND_MOD_SSI, i);
 		if (ret) {
 			of_node_put(np);
 			goto rsnd_ssi_probe_done;