Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/sound/soc/meson/aiu-codec-ctrl.c b/sound/soc/meson/aiu-codec-ctrl.c
new file mode 100644
index 000000000..84c10956c
--- /dev/null
+++ b/sound/soc/meson/aiu-codec-ctrl.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2020 BayLibre, SAS.
+// Author: Jerome Brunet <jbrunet@baylibre.com>
+
+#include <linux/bitfield.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+
+#include <dt-bindings/sound/meson-aiu.h>
+#include "aiu.h"
+#include "meson-codec-glue.h"
+
+#define CTRL_CLK_SEL		GENMASK(1, 0)
+#define CTRL_DATA_SEL_SHIFT	4
+#define CTRL_DATA_SEL		(0x3 << CTRL_DATA_SEL_SHIFT)
+
+static const char * const aiu_codec_ctrl_mux_texts[] = {
+	"DISABLED", "PCM", "I2S",
+};
+
+static int aiu_codec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol,
+				       struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+		snd_soc_dapm_kcontrol_component(kcontrol);
+	struct snd_soc_dapm_context *dapm =
+		snd_soc_dapm_kcontrol_dapm(kcontrol);
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	unsigned int mux, changed;
+
+	mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
+	changed = snd_soc_component_test_bits(component, e->reg,
+					      CTRL_DATA_SEL,
+					      FIELD_PREP(CTRL_DATA_SEL, mux));
+
+	if (!changed)
+		return 0;
+
+	/* Force disconnect of the mux while updating */
+	snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);
+
+	/* Reset the source first */
+	snd_soc_component_update_bits(component, e->reg,
+				      CTRL_CLK_SEL |
+				      CTRL_DATA_SEL,
+				      FIELD_PREP(CTRL_CLK_SEL, 0) |
+				      FIELD_PREP(CTRL_DATA_SEL, 0));
+
+	/* Set the appropriate source */
+	snd_soc_component_update_bits(component, e->reg,
+				      CTRL_CLK_SEL |
+				      CTRL_DATA_SEL,
+				      FIELD_PREP(CTRL_CLK_SEL, mux) |
+				      FIELD_PREP(CTRL_DATA_SEL, mux));
+
+	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
+
+	return 1;
+}
+
+static SOC_ENUM_SINGLE_DECL(aiu_hdmi_ctrl_mux_enum, AIU_HDMI_CLK_DATA_CTRL,
+			    CTRL_DATA_SEL_SHIFT,
+			    aiu_codec_ctrl_mux_texts);
+
+static const struct snd_kcontrol_new aiu_hdmi_ctrl_mux =
+	SOC_DAPM_ENUM_EXT("HDMI Source", aiu_hdmi_ctrl_mux_enum,
+			  snd_soc_dapm_get_enum_double,
+			  aiu_codec_ctrl_mux_put_enum);
+
+static const struct snd_soc_dapm_widget aiu_hdmi_ctrl_widgets[] = {
+	SND_SOC_DAPM_MUX("HDMI CTRL SRC", SND_SOC_NOPM, 0, 0,
+			 &aiu_hdmi_ctrl_mux),
+};
+
+static const struct snd_soc_dai_ops aiu_codec_ctrl_input_ops = {
+	.hw_params	= meson_codec_glue_input_hw_params,
+	.set_fmt	= meson_codec_glue_input_set_fmt,
+};
+
+static const struct snd_soc_dai_ops aiu_codec_ctrl_output_ops = {
+	.startup	= meson_codec_glue_output_startup,
+};
+
+#define AIU_CODEC_CTRL_FORMATS					\
+	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |	\
+	 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE |	\
+	 SNDRV_PCM_FMTBIT_S32_LE)
+
+#define AIU_CODEC_CTRL_STREAM(xname, xsuffix)			\
+{								\
+	.stream_name	= xname " " xsuffix,			\
+	.channels_min	= 1,					\
+	.channels_max	= 8,					\
+	.rate_min       = 5512,					\
+	.rate_max	= 192000,				\
+	.formats	= AIU_CODEC_CTRL_FORMATS,		\
+}
+
+#define AIU_CODEC_CTRL_INPUT(xname) {				\
+	.name = "CODEC CTRL " xname,				\
+	.playback = AIU_CODEC_CTRL_STREAM(xname, "Playback"),	\
+	.ops = &aiu_codec_ctrl_input_ops,			\
+	.probe = meson_codec_glue_input_dai_probe,		\
+	.remove = meson_codec_glue_input_dai_remove,		\
+}
+
+#define AIU_CODEC_CTRL_OUTPUT(xname) {				\
+	.name = "CODEC CTRL " xname,				\
+	.capture = AIU_CODEC_CTRL_STREAM(xname, "Capture"),	\
+	.ops = &aiu_codec_ctrl_output_ops,			\
+}
+
+static struct snd_soc_dai_driver aiu_hdmi_ctrl_dai_drv[] = {
+	[CTRL_I2S] = AIU_CODEC_CTRL_INPUT("HDMI I2S IN"),
+	[CTRL_PCM] = AIU_CODEC_CTRL_INPUT("HDMI PCM IN"),
+	[CTRL_OUT] = AIU_CODEC_CTRL_OUTPUT("HDMI OUT"),
+};
+
+static const struct snd_soc_dapm_route aiu_hdmi_ctrl_routes[] = {
+	{ "HDMI CTRL SRC", "I2S", "HDMI I2S IN Playback" },
+	{ "HDMI CTRL SRC", "PCM", "HDMI PCM IN Playback" },
+	{ "HDMI OUT Capture", NULL, "HDMI CTRL SRC" },
+};
+
+static int aiu_hdmi_of_xlate_dai_name(struct snd_soc_component *component,
+				      const struct of_phandle_args *args,
+				      const char **dai_name)
+{
+	return aiu_of_xlate_dai_name(component, args, dai_name, AIU_HDMI);
+}
+
+static const struct snd_soc_component_driver aiu_hdmi_ctrl_component = {
+	.name			= "AIU HDMI Codec Control",
+	.dapm_widgets		= aiu_hdmi_ctrl_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(aiu_hdmi_ctrl_widgets),
+	.dapm_routes		= aiu_hdmi_ctrl_routes,
+	.num_dapm_routes	= ARRAY_SIZE(aiu_hdmi_ctrl_routes),
+	.of_xlate_dai_name	= aiu_hdmi_of_xlate_dai_name,
+	.endianness		= 1,
+#ifdef CONFIG_DEBUG_FS
+	.debugfs_prefix		= "hdmi",
+#endif
+};
+
+int aiu_hdmi_ctrl_register_component(struct device *dev)
+{
+	return snd_soc_register_component(dev, &aiu_hdmi_ctrl_component,
+					  aiu_hdmi_ctrl_dai_drv,
+					  ARRAY_SIZE(aiu_hdmi_ctrl_dai_drv));
+}
+