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ASoC: cs47l24: Add support for audio trace firmware

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cs47l24 supports the audio trace firmware, this streams of audio to be
captured from the CODEC over a compressed audio channel for
analysis/debugging of audio processing firmwares.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax 2016-03-28 14:29:24 +01:00 committed by Mark Brown
parent 9abe3dc77e
commit c13202f7d7
1 changed files with 35 additions and 3 deletions
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38
sound/soc/codecs/cs47l24.c
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@ -807,6 +807,9 @@ static const struct snd_soc_dapm_route cs47l24_dapm_routes[] = {
{ "IN2L PGA", NULL, "IN2L" },
{ "IN2R PGA", NULL, "IN2R" },
{ "Audio Trace DSP", NULL, "DSP2" },
{ "Audio Trace DSP", NULL, "SYSCLK" },
ARIZONA_MIXER_ROUTES("OUT1L", "HPOUT1L"),
ARIZONA_MIXER_ROUTES("OUT1R", "HPOUT1R"),
@ -1016,6 +1019,27 @@ static struct snd_soc_dai_driver cs47l24_dai[] = {
.formats = CS47L24_FORMATS,
},
},
{
.name = "cs47l24-cpu-trace",
.capture = {
.stream_name = "Audio Trace CPU",
.channels_min = 1,
.channels_max = 6,
.rates = CS47L24_RATES,
.formats = CS47L24_FORMATS,
},
.compress_new = snd_soc_new_compress,
},
{
.name = "cs47l24-dsp-trace",
.capture = {
.stream_name = "Audio Trace DSP",
.channels_min = 1,
.channels_max = 6,
.rates = CS47L24_RATES,
.formats = CS47L24_FORMATS,
},
},
};
static int cs47l24_open(struct snd_compr_stream *stream)
@ -1027,6 +1051,8 @@ static int cs47l24_open(struct snd_compr_stream *stream)
if (strcmp(rtd->codec_dai->name, "cs47l24-dsp-voicectrl") == 0) {
n_adsp = 2;
} else if (strcmp(rtd->codec_dai->name, "cs47l24-dsp-trace") == 0) {
n_adsp = 1;
} else {
dev_err(arizona->dev,
"No suitable compressed stream for DAI '%s'\n",
@ -1041,10 +1067,16 @@ static irqreturn_t cs47l24_adsp2_irq(int irq, void *data)
{
struct cs47l24_priv *priv = data;
struct arizona *arizona = priv->core.arizona;
int ret;
int serviced = 0;
int i, ret;
ret = wm_adsp_compr_handle_irq(&priv->core.adsp[2]);
if (ret == -ENODEV) {
for (i = 1; i <= 2; ++i) {
ret = wm_adsp_compr_handle_irq(&priv->core.adsp[i]);
if (ret != -ENODEV)
serviced++;
}
if (!serviced) {
dev_err(arizona->dev, "Spurious compressed data IRQ\n");
return IRQ_NONE;
}