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Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
-rw-r--r--sound/soc/omap/omap-pcm.c86
1 files changed, 9 insertions, 77 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index c722c2ef9665..c28e042f2208 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -32,8 +32,6 @@
#include <sound/dmaengine_pcm.h>
#include <sound/soc.h>
-#include "omap-pcm.h"
-
#ifdef CONFIG_ARCH_OMAP1
#define pcm_omap1510() cpu_is_omap1510()
#else
@@ -56,25 +54,6 @@ static const struct snd_pcm_hardware omap_pcm_hardware = {
.buffer_bytes_max = 128 * 1024,
};
-static int omap_pcm_get_dma_buswidth(int num_bits)
-{
- int buswidth;
-
- switch (num_bits) {
- case 16:
- buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES;
- break;
- case 32:
- buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES;
- break;
- default:
- buswidth = -EINVAL;
- break;
- }
- return buswidth;
-}
-
-
/* this may get called several times by oss emulation */
static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
@@ -105,20 +84,9 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
if (err)
return err;
- /* Override the *_dma addr_width if requested by the DAI driver */
- if (dma_data->data_type) {
- int buswidth = omap_pcm_get_dma_buswidth(dma_data->data_type);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- config.dst_addr_width = buswidth;
- else
- config.src_addr_width = buswidth;
- }
-
- config.src_addr = dma_data->port_addr;
- config.dst_addr = dma_data->port_addr;
- config.src_maxburst = dma_data->packet_size;
- config.dst_maxburst = dma_data->packet_size;
+ snd_dmaengine_pcm_set_config_from_dai_data(substream,
+ snd_soc_dai_get_dma_data(rtd->cpu_dai, substream),
+ &config);
return dmaengine_slave_config(chan, &config);
}
@@ -129,37 +97,6 @@ static int omap_pcm_hw_free(struct snd_pcm_substream *substream)
return 0;
}
-static int omap_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct omap_pcm_dma_data *dma_data;
- int ret = 0;
-
- dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- /* Configure McBSP internal buffer usage */
- if (dma_data->set_threshold)
- dma_data->set_threshold(substream);
- break;
-
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- break;
- default:
- ret = -EINVAL;
- }
-
- if (ret == 0)
- ret = snd_dmaengine_pcm_trigger(substream, cmd);
-
- return ret;
-}
-
static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
{
snd_pcm_uframes_t offset;
@@ -175,20 +112,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
static int omap_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct omap_pcm_dma_data *dma_data;
+ struct snd_dmaengine_dai_dma_data *dma_data;
snd_soc_set_runtime_hwparams(substream, &omap_pcm_hardware);
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
- return snd_dmaengine_pcm_open(substream, omap_dma_filter_fn,
- &dma_data->dma_req);
-}
-
-static int omap_pcm_close(struct snd_pcm_substream *substream)
-{
- snd_dmaengine_pcm_close(substream);
- return 0;
+ return snd_dmaengine_pcm_open_request_chan(substream,
+ omap_dma_filter_fn,
+ dma_data->filter_data);
}
static int omap_pcm_mmap(struct snd_pcm_substream *substream,
@@ -204,11 +136,11 @@ static int omap_pcm_mmap(struct snd_pcm_substream *substream,
static struct snd_pcm_ops omap_pcm_ops = {
.open = omap_pcm_open,
- .close = omap_pcm_close,
+ .close = snd_dmaengine_pcm_close_release_chan,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = omap_pcm_hw_params,
.hw_free = omap_pcm_hw_free,
- .trigger = omap_pcm_trigger,
+ .trigger = snd_dmaengine_pcm_trigger,
.pointer = omap_pcm_pointer,
.mmap = omap_pcm_mmap,
};