From: Mark Brown <broo...@linaro.org>
In preparation for using the dmaengine helpers in ASoC rather than the
dmaengine wrappers for the Samsung API wrap the configuration of dma_data.
The dmaengine code expects different data to that used by the legacy API.
Signed-off-by: Mark Brown <broo...@linaro.org>
---
sound/soc/samsung/ac97.c | 51 +++++++++++++++---------------------------------
sound/soc/samsung/dma.c | 8 ++++++++
sound/soc/samsung/dma.h | 3 +++
sound/soc/samsung/i2s.c | 2 +-
sound/soc/samsung/pcm.c | 18 +++++++++--------
5 files changed, 38 insertions(+), 44 deletions(-)
diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
index 350ba23..4a88e36 100644
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -221,24 +221,6 @@ static struct snd_ac97_bus_ops s3c_ac97_ops = {
.reset = s3c_ac97_cold_reset,
};
-static int s3c_ac97_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct s3c_dma_params *dma_data;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- dma_data = &s3c_ac97_pcm_out;
- else
- dma_data = &s3c_ac97_pcm_in;
-
- snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
-
- return 0;
-}
-
static int s3c_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
@@ -279,21 +261,6 @@ static int s3c_ac97_trigger(struct snd_pcm_substream
*substream, int cmd,
return 0;
}
-static int s3c_ac97_hw_mic_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- return -ENODEV;
- else
- snd_soc_dai_set_dma_data(cpu_dai, substream, &s3c_ac97_mic_in);
-
- return 0;
-}
-
static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
@@ -329,15 +296,27 @@ static int s3c_ac97_mic_trigger(struct snd_pcm_substream
*substream,
}
static const struct snd_soc_dai_ops s3c_ac97_dai_ops = {
- .hw_params = s3c_ac97_hw_params,
.trigger = s3c_ac97_trigger,
};
static const struct snd_soc_dai_ops s3c_ac97_mic_dai_ops = {
- .hw_params = s3c_ac97_hw_mic_params,
.trigger = s3c_ac97_mic_trigger,
};
+static int s3c_ac97_dai_probe(struct snd_soc_dai *dai)
+{
+ samsung_asoc_init_dma_data(dai, &s3c_ac97_pcm_out, &s3c_ac97_pcm_in);
+
+ return 0;
+}
+
+static int s3c_ac97_mic_dai_probe(struct snd_soc_dai *dai)
+{
+ samsung_asoc_init_dma_data(dai, NULL, &s3c_ac97_mic_in);
+
+ return 0;
+}
+
static struct snd_soc_dai_driver s3c_ac97_dai[] = {
[S3C_AC97_DAI_PCM] = {
.name = "samsung-ac97",
@@ -354,6 +333,7 @@ static struct snd_soc_dai_driver s3c_ac97_dai[] = {
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .probe = s3c_ac97_dai_probe,
.ops = &s3c_ac97_dai_ops,
},
[S3C_AC97_DAI_MIC] = {
@@ -365,6 +345,7 @@ static struct snd_soc_dai_driver s3c_ac97_dai[] = {
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .probe = s3c_ac97_mic_dai_probe,
.ops = &s3c_ac97_mic_dai_ops,
},
};
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c
index fe2748b..ee23194 100644
--- a/sound/soc/samsung/dma.c
+++ b/sound/soc/samsung/dma.c
@@ -441,6 +441,14 @@ static struct snd_soc_platform_driver
samsung_asoc_platform = {
.pcm_free = dma_free_dma_buffers,
};
+void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,
+ struct s3c_dma_params *playback,
+ struct s3c_dma_params *capture)
+{
+ snd_soc_dai_init_dma_data(dai, playback, capture);
+}
+EXPORT_SYMBOL_GPL(samsung_asoc_init_dma_data);
+
int samsung_asoc_dma_platform_register(struct device *dev)
{
return snd_soc_register_platform(dev, &samsung_asoc_platform);
diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h
index 0e86315..fb09a1c 100644
--- a/sound/soc/samsung/dma.h
+++ b/sound/soc/samsung/dma.h
@@ -22,6 +22,9 @@ struct s3c_dma_params {
char *ch_name;
};
+void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,
+ struct s3c_dma_params *playback,
+ struct s3c_dma_params *capture);
int samsung_asoc_dma_platform_register(struct device *dev);
void samsung_asoc_dma_platform_unregister(struct device *dev);
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index a5cbdb4..67d9fa9 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -963,7 +963,7 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
}
clk_prepare_enable(i2s->clk);
- snd_soc_dai_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);
+ samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);
if (other) {
other->addr = i2s->addr;
diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c
index e54256f..6a5e4bf 100644
--- a/sound/soc/samsung/pcm.c
+++ b/sound/soc/samsung/pcm.c
@@ -275,7 +275,6 @@ static int s3c_pcm_hw_params(struct snd_pcm_substream
*substream,
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(rtd->cpu_dai);
- struct s3c_dma_params *dma_data;
void __iomem *regs = pcm->regs;
struct clk *clk;
int sclk_div, sync_div;
@@ -284,13 +283,6 @@ static int s3c_pcm_hw_params(struct snd_pcm_substream
*substream,
dev_dbg(pcm->dev, "Entered %s\n", __func__);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- dma_data = pcm->dma_playback;
- else
- dma_data = pcm->dma_capture;
-
- snd_soc_dai_set_dma_data(rtd->cpu_dai, substream, dma_data);
-
/* Strictly check for sample size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
@@ -461,10 +453,20 @@ static const struct snd_soc_dai_ops s3c_pcm_dai_ops = {
.set_fmt = s3c_pcm_set_fmt,
};
+static int s3c_pcm_dai_probe(struct snd_soc_dai *dai)
+{
+ struct s3c_pcm_info *pcm = snd_soc_dai_get_drvdata(dai);
+
+ snd_soc_dai_init_dma_data(dai, pcm->dma_playback, pcm->dma_capture);
+
+ return 0;
+}
+
#define S3C_PCM_RATES SNDRV_PCM_RATE_8000_96000
#define S3C_PCM_DAI_DECLARE \
.symmetric_rates = 1, \
+ .probe = s3c_pcm_dai_probe, \
.ops = &s3c_pcm_dai_ops, \
.playback = { \
.channels_min = 2, \
--
1.8.4.3
--
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