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Diffstat (limited to 'sound/soc/tegra/tegra_offload.c')
-rw-r--r--sound/soc/tegra/tegra_offload.c145
1 files changed, 127 insertions, 18 deletions
diff --git a/sound/soc/tegra/tegra_offload.c b/sound/soc/tegra/tegra_offload.c
index fbe766e4342c..bdfe94e30add 100644
--- a/sound/soc/tegra/tegra_offload.c
+++ b/sound/soc/tegra/tegra_offload.c
@@ -59,6 +59,8 @@ static struct tegra_offload_ops offload_ops;
static int tegra_offload_init_done;
static DEFINE_MUTEX(tegra_offload_lock);
+static int codec, spk;
+
static const struct snd_pcm_hardware tegra_offload_pcm_hardware = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
@@ -247,32 +249,54 @@ static int tegra_offload_compr_set_params(struct snd_compr_stream *stream,
struct snd_soc_pcm_runtime *rtd = stream->device->private_data;
struct tegra_pcm_dma_params *dmap;
struct tegra_offload_compr_params offl_params;
+ int dir;
int ret = 0;
dev_vdbg(dev, "%s", __func__);
+ if (stream->direction == SND_COMPRESS_PLAYBACK)
+ dir = SNDRV_PCM_STREAM_PLAYBACK;
+ else
+ dir = SNDRV_PCM_STREAM_CAPTURE;
+
dmap = rtd->cpu_dai->playback_dma_data;
if (!dmap) {
struct snd_soc_dpcm *dpcm;
+ if (list_empty(&rtd->dpcm[dir].be_clients)) {
+ dev_err(dev, "No backend DAIs enabled for %s\n",
+ rtd->dai_link->name);
+ return -EINVAL;
+ }
+
list_for_each_entry(dpcm,
- &rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients,
- list_be) {
+ &rtd->dpcm[dir].be_clients, list_be) {
struct snd_soc_pcm_runtime *be = dpcm->be;
struct snd_pcm_substream *be_substream =
- snd_soc_dpcm_get_substream(be,
- SNDRV_PCM_STREAM_PLAYBACK);
+ snd_soc_dpcm_get_substream(be, dir);
+ struct snd_soc_dai_link *dai_link = be->dai_link;
dmap = snd_soc_dai_get_dma_data(be->cpu_dai,
- be_substream);
- if (!dmap) {
- dev_err(dev, "Failed to get DMA params.");
- return -ENODEV;
+ be_substream);
+
+ if (spk && strstr(dai_link->name, "speaker")) {
+ dmap = snd_soc_dai_get_dma_data(be->cpu_dai,
+ be_substream);
+ break;
+ }
+ if (codec && strstr(dai_link->name, "codec")) {
+ dmap = snd_soc_dai_get_dma_data(be->cpu_dai,
+ be_substream);
+ break;
}
/* TODO : Multiple BE to single FE not yet supported */
- break;
}
}
+ if (!dmap) {
+ dev_err(dev, "Failed to get DMA params.");
+ return -ENODEV;
+ }
+
offl_params.codec_type = params->codec.id;
offl_params.bits_per_sample = 16;
offl_params.rate = snd_pcm_rate_bit_to_rate(params->codec.sample_rate);
@@ -472,23 +496,40 @@ static int tegra_offload_pcm_hw_params(struct snd_pcm_substream *substream,
if (!dmap) {
struct snd_soc_dpcm *dpcm;
+ if (list_empty(&rtd->dpcm[substream->stream].be_clients)) {
+ dev_err(dev, "No backend DAIs enabled for %s\n",
+ rtd->dai_link->name);
+ return -EINVAL;
+ }
+
list_for_each_entry(dpcm,
&rtd->dpcm[substream->stream].be_clients, list_be) {
struct snd_soc_pcm_runtime *be = dpcm->be;
struct snd_pcm_substream *be_substream =
snd_soc_dpcm_get_substream(be,
substream->stream);
+ struct snd_soc_dai_link *dai_link = be->dai_link;
dmap = snd_soc_dai_get_dma_data(be->cpu_dai,
- be_substream);
- if (!dmap) {
- dev_err(dev, "Failed to get DMA params.");
- return -ENODEV;
+ be_substream);
+
+ if (spk && strstr(dai_link->name, "speaker")) {
+ dmap = snd_soc_dai_get_dma_data(be->cpu_dai,
+ be_substream);
+ break;
+ }
+ if (codec && strstr(dai_link->name, "codec")) {
+ dmap = snd_soc_dai_get_dma_data(be->cpu_dai,
+ be_substream);
+ break;
}
/* TODO : Multiple BE to single FE not yet supported */
- break;
}
}
+ if (!dmap) {
+ dev_err(dev, "Failed to get DMA params.");
+ return -ENODEV;
+ }
offl_params.bits_per_sample =
snd_pcm_format_width(params_format(params));
@@ -577,6 +618,59 @@ static int tegra_offload_pcm_ack(struct snd_pcm_substream *substream)
return 0;
}
+static int codec_get_mixer(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = codec;
+ return 0;
+}
+
+static int codec_put_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+
+ if (ucontrol->value.integer.value[0]) {
+ codec = ucontrol->value.integer.value[0];
+ snd_soc_dapm_mixer_update_power(widget, kcontrol, 1);
+ } else {
+ codec = ucontrol->value.integer.value[0];
+ snd_soc_dapm_mixer_update_power(widget, kcontrol, 0);
+ }
+ return 1;
+}
+
+static int spk_get_mixer(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = spk;
+ return 0;
+}
+
+static int spk_put_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+
+ if (ucontrol->value.integer.value[0]) {
+ spk = ucontrol->value.integer.value[0];
+ snd_soc_dapm_mixer_update_power(widget, kcontrol, 1);
+ } else {
+ spk = ucontrol->value.integer.value[0];
+ snd_soc_dapm_mixer_update_power(widget, kcontrol, 0);
+ }
+ return 1;
+}
+
+static const struct snd_kcontrol_new codec_control =
+ SOC_SINGLE_EXT("Codec Switch", SND_SOC_NOPM, 0, 1, 0,
+ codec_get_mixer, codec_put_switch);
+
+static const struct snd_kcontrol_new spk_control =
+ SOC_SINGLE_EXT("SPK Switch", SND_SOC_NOPM, 1, 1, 0,
+ spk_get_mixer, spk_put_switch);
static const struct snd_soc_dapm_widget tegra_offload_widgets[] = {
/* BackEnd DAIs */
@@ -591,6 +685,20 @@ static const struct snd_soc_dapm_widget tegra_offload_widgets[] = {
SND_SOC_DAPM_AIF_OUT("I2S4_OUT", "tegra30-i2s.4 Playback", 0,
0/*wreg*/, 0/*wshift*/, 0/*winvert*/),
+ SND_SOC_DAPM_MIXER("Codec VMixer", SND_SOC_NOPM, 0, 0,
+ &codec_control, 1),
+ SND_SOC_DAPM_MIXER("SPK VMixer", SND_SOC_NOPM, 0, 0,
+ &spk_control, 1),
+};
+
+static const struct snd_soc_dapm_route graph[] = {
+ {"Codec VMixer", "Codec Switch", "offload-pcm-playback"},
+ {"Codec VMixer", "Codec Switch", "offload-compr-playback"},
+ {"I2S1_OUT", NULL, "Codec VMixer"},
+
+ {"SPK VMixer", "SPK Switch", "offload-pcm-playback"},
+ {"SPK VMixer", "SPK Switch", "offload-compr-playback"},
+ {"I2S2_OUT", NULL, "SPK VMixer"},
};
static struct snd_pcm_ops tegra_pcm_ops = {
@@ -677,10 +785,6 @@ static int tegra_offload_pcm_probe(struct snd_soc_platform *platform)
{
pr_debug("%s", __func__);
- snd_soc_dapm_new_controls(&platform->dapm, tegra_offload_widgets,
- ARRAY_SIZE(tegra_offload_widgets));
-
- snd_soc_dapm_new_widgets(&platform->dapm);
platform->dapm.idle_bias_off = 1;
return 0;
}
@@ -705,6 +809,11 @@ static struct snd_soc_platform_driver tegra_offload_platform = {
.probe = tegra_offload_pcm_probe,
.read = tegra_offload_pcm_read,
.write = tegra_offload_pcm_write,
+
+ .dapm_widgets = tegra_offload_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tegra_offload_widgets),
+ .dapm_routes = graph,
+ .num_dapm_routes = ARRAY_SIZE(graph),
};
static struct snd_soc_dai_driver tegra_offload_dai[] = {
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-19 11:31:11 +0000