Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 267 insertions, 0 deletions

diff --git a/roms/u-boot/drivers/sound/sandbox.c b/roms/u-boot/drivers/sound/sandbox.c
new file mode 100644
index 000000000..4a2c87a84
--- /dev/null
+++ b/roms/u-boot/drivers/sound/sandbox.c
@@ -0,0 +1,267 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2013 Google, Inc
+ */
+
+#define LOG_CATEGORY UCLASS_SOUND
+
+#include <common.h>
+#include <audio_codec.h>
+#include <dm.h>
+#include <i2s.h>
+#include <log.h>
+#include <sound.h>
+#include <asm/sdl.h>
+
+struct sandbox_codec_priv {
+	int interface;
+	int rate;
+	int mclk_freq;
+	int bits_per_sample;
+	uint channels;
+};
+
+struct sandbox_i2s_priv {
+	int sum;	/* Use to sum the provided audio data */
+	bool silent;	/* Sound is silent, don't use SDL */
+};
+
+struct sandbox_sound_priv {
+	int setup_called;	/* Incremented when setup() method is called */
+	bool active;		/* TX data is being sent */
+	int sum;		/* Use to sum the provided audio data */
+	bool allow_beep;	/* true to allow the start_beep() interface */
+	int frequency_hz;	/* Beep frequency if active, else 0 */
+};
+
+void sandbox_get_codec_params(struct udevice *dev, int *interfacep, int *ratep,
+			      int *mclk_freqp, int *bits_per_samplep,
+			      uint *channelsp)
+{
+	struct sandbox_codec_priv *priv = dev_get_priv(dev);
+
+	*interfacep = priv->interface;
+	*ratep = priv->rate;
+	*mclk_freqp = priv->mclk_freq;
+	*bits_per_samplep = priv->bits_per_sample;
+	*channelsp = priv->channels;
+}
+
+int sandbox_get_i2s_sum(struct udevice *dev)
+{
+	struct sandbox_i2s_priv *priv = dev_get_priv(dev);
+
+	return priv->sum;
+}
+
+int sandbox_get_setup_called(struct udevice *dev)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	return priv->setup_called;
+}
+
+int sandbox_get_sound_active(struct udevice *dev)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	return priv->active;
+}
+
+int sandbox_get_sound_sum(struct udevice *dev)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	return priv->sum;
+}
+
+void sandbox_set_allow_beep(struct udevice *dev, bool allow)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	priv->allow_beep = allow;
+}
+
+int sandbox_get_beep_frequency(struct udevice *dev)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	return priv->frequency_hz;
+}
+
+static int sandbox_codec_set_params(struct udevice *dev, int interface,
+				    int rate, int mclk_freq,
+				    int bits_per_sample, uint channels)
+{
+	struct sandbox_codec_priv *priv = dev_get_priv(dev);
+
+	priv->interface = interface;
+	priv->rate = rate;
+	priv->mclk_freq = mclk_freq;
+	priv->bits_per_sample = bits_per_sample;
+	priv->channels = channels;
+
+	return 0;
+}
+
+static int sandbox_i2s_tx_data(struct udevice *dev, void *data,
+			       uint data_size)
+{
+	struct sandbox_i2s_priv *priv = dev_get_priv(dev);
+	int i;
+
+	for (i = 0; i < data_size; i++)
+		priv->sum += ((uint8_t *)data)[i];
+
+	if (!priv->silent) {
+		int ret;
+
+		ret = sandbox_sdl_sound_play(data, data_size);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int sandbox_i2s_probe(struct udevice *dev)
+{
+	struct i2s_uc_priv *uc_priv = dev_get_uclass_priv(dev);
+	struct sandbox_i2s_priv *priv = dev_get_priv(dev);
+
+	/* Use hard-coded values here */
+	uc_priv->rfs = 256;
+	uc_priv->bfs = 32;
+	uc_priv->audio_pll_clk = 192000000;
+	uc_priv->samplingrate = 48000;
+	uc_priv->bitspersample = 16;
+	uc_priv->channels = 2;
+	uc_priv->id = 1;
+
+	priv->silent = dev_read_bool(dev, "sandbox,silent");
+
+	if (priv->silent) {
+		log_warning("Sound is silenced\n");
+	} else if (sandbox_sdl_sound_init(uc_priv->samplingrate,
+					  uc_priv->channels)) {
+		/* Ignore any error here - we'll just have no sound */
+		priv->silent = true;
+	}
+
+	return 0;
+}
+
+static int sandbox_sound_setup(struct udevice *dev)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	priv->setup_called++;
+
+	return 0;
+}
+
+static int sandbox_sound_play(struct udevice *dev, void *data, uint data_size)
+{
+	struct sound_uc_priv *uc_priv = dev_get_uclass_priv(dev);
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+	int i;
+
+	for (i = 0; i < data_size; i++)
+		priv->sum += ((uint8_t *)data)[i];
+
+	return i2s_tx_data(uc_priv->i2s, data, data_size);
+}
+
+static int sandbox_sound_stop_play(struct udevice *dev)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	sandbox_sdl_sound_stop();
+	priv->active = false;
+
+	return 0;
+}
+
+int sandbox_sound_start_beep(struct udevice *dev, int frequency_hz)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	if (!priv->allow_beep)
+		return -ENOSYS;
+	priv->frequency_hz = frequency_hz;
+
+	return 0;
+}
+
+int sandbox_sound_stop_beep(struct udevice *dev)
+{
+	struct sandbox_sound_priv *priv = dev_get_priv(dev);
+
+	if (!priv->allow_beep)
+		return -ENOSYS;
+	priv->frequency_hz = 0;
+
+	return 0;
+}
+
+static int sandbox_sound_probe(struct udevice *dev)
+{
+	return sound_find_codec_i2s(dev);
+}
+
+static const struct audio_codec_ops sandbox_codec_ops = {
+	.set_params	= sandbox_codec_set_params,
+};
+
+static const struct udevice_id sandbox_codec_ids[] = {
+	{ .compatible = "sandbox,audio-codec" },
+	{ }
+};
+
+U_BOOT_DRIVER(sandbox_codec) = {
+	.name		= "sandbox_codec",
+	.id		= UCLASS_AUDIO_CODEC,
+	.of_match	= sandbox_codec_ids,
+	.ops		= &sandbox_codec_ops,
+	.priv_auto	= sizeof(struct sandbox_codec_priv),
+};
+
+static const struct i2s_ops sandbox_i2s_ops = {
+	.tx_data	= sandbox_i2s_tx_data,
+};
+
+static const struct udevice_id sandbox_i2s_ids[] = {
+	{ .compatible = "sandbox,i2s" },
+	{ }
+};
+
+U_BOOT_DRIVER(sandbox_i2s) = {
+	.name		= "sandbox_i2s",
+	.id		= UCLASS_I2S,
+	.of_match	= sandbox_i2s_ids,
+	.ops		= &sandbox_i2s_ops,
+	.probe		= sandbox_i2s_probe,
+	.priv_auto	= sizeof(struct sandbox_i2s_priv),
+};
+
+static const struct sound_ops sandbox_sound_ops = {
+	.setup		= sandbox_sound_setup,
+	.play		= sandbox_sound_play,
+	.stop_play	= sandbox_sound_stop_play,
+	.start_beep	= sandbox_sound_start_beep,
+	.stop_beep	= sandbox_sound_stop_beep,
+};
+
+static const struct udevice_id sandbox_sound_ids[] = {
+	{ .compatible = "sandbox,sound" },
+	{ }
+};
+
+U_BOOT_DRIVER(sandbox_sound) = {
+	.name		= "sandbox_sound",
+	.id		= UCLASS_SOUND,
+	.of_match	= sandbox_sound_ids,
+	.ops		= &sandbox_sound_ops,
+	.priv_auto	= sizeof(struct sandbox_sound_priv),
+	.probe		= sandbox_sound_probe,
+};