[alsa-devel] [PATCH 6/8] ASoC: meson: axg-frddr: add sm1 support

[Jerome Brunet]

On sm1, the output routing bits have moved to CTRL2 register

Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
---
 sound/soc/meson/axg-fifo.c  |  2 +-
 sound/soc/meson/axg-fifo.h  |  1 +
 sound/soc/meson/axg-frddr.c | 73 +++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+), 1 deletion(-)

diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c
index 80a3dde35b5c..5a3749938900 100644
--- a/sound/soc/meson/axg-fifo.c
+++ b/sound/soc/meson/axg-fifo.c
@@ -306,7 +306,7 @@ static const struct regmap_config axg_fifo_regmap_cfg = {
 	.reg_bits	= 32,
 	.val_bits	= 32,
 	.reg_stride	= 4,
-	.max_register	= FIFO_INIT_ADDR,
+	.max_register	= FIFO_CTRL2,
 };
 
 int axg_fifo_probe(struct platform_device *pdev)
diff --git a/sound/soc/meson/axg-fifo.h b/sound/soc/meson/axg-fifo.h
index 5caf81241dfe..bb1e2ce50256 100644
--- a/sound/soc/meson/axg-fifo.h
+++ b/sound/soc/meson/axg-fifo.h
@@ -61,6 +61,7 @@ struct snd_soc_pcm_runtime;
 #define  STATUS1_INT_STS(x)		((x) << 0)
 #define FIFO_STATUS2			0x18
 #define FIFO_INIT_ADDR			0x24
+#define FIFO_CTRL2			0x28
 
 struct axg_fifo {
 	struct regmap *map;
diff --git a/sound/soc/meson/axg-frddr.c b/sound/soc/meson/axg-frddr.c
index 0968e8375000..6ab111c31b28 100644
--- a/sound/soc/meson/axg-frddr.c
+++ b/sound/soc/meson/axg-frddr.c
@@ -23,6 +23,12 @@
 #define CTRL0_SEL3_SHIFT		8
 #define CTRL0_SEL3_EN_SHIFT		11
 #define CTRL1_FRDDR_FORCE_FINISH	BIT(12)
+#define CTRL2_SEL1_SHIFT		0
+#define CTRL2_SEL1_EN_SHIFT		4
+#define CTRL2_SEL2_SHIFT		8
+#define CTRL2_SEL2_EN_SHIFT		12
+#define CTRL2_SEL3_SHIFT		16
+#define CTRL2_SEL3_EN_SHIFT		20
 
 static int g12a_frddr_dai_prepare(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
@@ -269,6 +275,70 @@ static const struct axg_fifo_match_data g12a_frddr_match_data = {
 	.dai_drv	= &g12a_frddr_dai_drv
 };
 
+/* On SM1, the output selection in on CTRL2 */
+static const struct snd_kcontrol_new sm1_frddr_out1_enable =
+	SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2,
+				    CTRL2_SEL1_EN_SHIFT, 1, 0);
+static const struct snd_kcontrol_new sm1_frddr_out2_enable =
+	SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2,
+				    CTRL2_SEL2_EN_SHIFT, 1, 0);
+static const struct snd_kcontrol_new sm1_frddr_out3_enable =
+	SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2,
+				    CTRL2_SEL3_EN_SHIFT, 1, 0);
+
+static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel1_enum, FIFO_CTRL2, CTRL2_SEL1_SHIFT,
+			    axg_frddr_sel_texts);
+static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel2_enum, FIFO_CTRL2, CTRL2_SEL2_SHIFT,
+			    axg_frddr_sel_texts);
+static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel3_enum, FIFO_CTRL2, CTRL2_SEL3_SHIFT,
+			    axg_frddr_sel_texts);
+
+static const struct snd_kcontrol_new sm1_frddr_out1_demux =
+	SOC_DAPM_ENUM("Output Src 1", sm1_frddr_sel1_enum);
+static const struct snd_kcontrol_new sm1_frddr_out2_demux =
+	SOC_DAPM_ENUM("Output Src 2", sm1_frddr_sel2_enum);
+static const struct snd_kcontrol_new sm1_frddr_out3_demux =
+	SOC_DAPM_ENUM("Output Src 3", sm1_frddr_sel3_enum);
+
+static const struct snd_soc_dapm_widget sm1_frddr_dapm_widgets[] = {
+	SND_SOC_DAPM_AIF_OUT("SRC 1", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SRC 2", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SRC 3", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_SWITCH("SRC 1 EN", SND_SOC_NOPM, 0, 0,
+			    &sm1_frddr_out1_enable),
+	SND_SOC_DAPM_SWITCH("SRC 2 EN", SND_SOC_NOPM, 0, 0,
+			    &sm1_frddr_out2_enable),
+	SND_SOC_DAPM_SWITCH("SRC 3 EN", SND_SOC_NOPM, 0, 0,
+			    &sm1_frddr_out3_enable),
+	SND_SOC_DAPM_DEMUX("SINK 1 SEL", SND_SOC_NOPM, 0, 0,
+			   &sm1_frddr_out1_demux),
+	SND_SOC_DAPM_DEMUX("SINK 2 SEL", SND_SOC_NOPM, 0, 0,
+			   &sm1_frddr_out2_demux),
+	SND_SOC_DAPM_DEMUX("SINK 3 SEL", SND_SOC_NOPM, 0, 0,
+			   &sm1_frddr_out3_demux),
+	SND_SOC_DAPM_AIF_OUT("OUT 0", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("OUT 1", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("OUT 2", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("OUT 3", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("OUT 4", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("OUT 5", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("OUT 6", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("OUT 7", NULL, 0, SND_SOC_NOPM, 0, 0),
+};
+
+static const struct snd_soc_component_driver sm1_frddr_component_drv = {
+	.dapm_widgets		= sm1_frddr_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(sm1_frddr_dapm_widgets),
+	.dapm_routes		= g12a_frddr_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(g12a_frddr_dapm_routes),
+	.ops			= &g12a_fifo_pcm_ops
+};
+
+static const struct axg_fifo_match_data sm1_frddr_match_data = {
+	.component_drv	= &sm1_frddr_component_drv,
+	.dai_drv	= &g12a_frddr_dai_drv
+};
+
 static const struct of_device_id axg_frddr_of_match[] = {
 	{
 		.compatible = "amlogic,axg-frddr",
@@ -276,6 +346,9 @@ static const struct of_device_id axg_frddr_of_match[] = {
 	}, {
 		.compatible = "amlogic,g12a-frddr",
 		.data = &g12a_frddr_match_data,
+	}, {
+		.compatible = "amlogic,sm1-frddr",
+		.data = &sm1_frddr_match_data,
 	}, {}
 };
 MODULE_DEVICE_TABLE(of, axg_frddr_of_match);
-- 
2.21.0