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authorMark Brown <broonie@linaro.org>2013-10-24 11:24:05 +0100
committerMark Brown <broonie@linaro.org>2013-10-24 11:24:05 +0100
commit70e0db2f7434961c778466708c032e76775b7f1e (patch)
treee762eb159000dc98090306e3a57d1ae0459312d5 /include/sound
parent48ce3ec16a618de7fbeb8c3462f8022984f53a1d (diff)
parent90130d2e8f75c7181cef514e8a1491925f386a16 (diff)
downloadop-kernel-dev-70e0db2f7434961c778466708c032e76775b7f1e.zip
op-kernel-dev-70e0db2f7434961c778466708c032e76775b7f1e.tar.gz
Merge remote-tracking branch 'asoc/topic/dma' into asoc-next
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/dmaengine_pcm.h8
-rw-r--r--include/sound/soc-dai.h7
2 files changed, 15 insertions, 0 deletions
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index f11c35c..1501731 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -61,6 +61,8 @@ struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream)
* @slave_id: Slave requester id for the DMA channel.
* @filter_data: Custom DMA channel filter data, this will usually be used when
* requesting the DMA channel.
+ * @chan_name: Custom channel name to use when requesting DMA channel.
+ * @fifo_size: FIFO size of the DAI controller in bytes
*/
struct snd_dmaengine_dai_dma_data {
dma_addr_t addr;
@@ -68,6 +70,8 @@ struct snd_dmaengine_dai_dma_data {
u32 maxburst;
unsigned int slave_id;
void *filter_data;
+ const char *chan_name;
+ unsigned int fifo_size;
};
void snd_dmaengine_pcm_set_config_from_dai_data(
@@ -96,6 +100,10 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
* playback.
*/
#define SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX BIT(3)
+/*
+ * The PCM streams have custom channel names specified.
+ */
+#define SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME BIT(4)
/**
* struct snd_dmaengine_pcm_config - Configuration data for dmaengine based PCM
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index d8acf0c..b0ee659 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -279,6 +279,13 @@ static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
dai->capture_dma_data = data;
}
+static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,
+ void *playback, void *capture)
+{
+ dai->playback_dma_data = playback;
+ dai->capture_dma_data = capture;
+}
+
static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
void *data)
{
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