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path: root/sound/soc/au1x/dbdma2.c
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Diffstat (limited to 'sound/soc/au1x/dbdma2.c')
-rw-r--r--sound/soc/au1x/dbdma2.c91
1 files changed, 16 insertions, 75 deletions
diff --git a/sound/soc/au1x/dbdma2.c b/sound/soc/au1x/dbdma2.c
index 20bb53a837b1..d7d04e26eee5 100644
--- a/sound/soc/au1x/dbdma2.c
+++ b/sound/soc/au1x/dbdma2.c
@@ -169,7 +169,7 @@ static int au1x_pcm_dbdma_realloc(struct au1xpsc_audio_dmadata *pcd,
au1x_pcm_dbdma_free(pcd);
- if (stype == PCM_RX)
+ if (stype == SNDRV_PCM_STREAM_CAPTURE)
pcd->ddma_chan = au1xxx_dbdma_chan_alloc(pcd->ddma_id,
DSCR_CMD0_ALWAYS,
au1x_pcm_dmarx_cb, (void *)pcd);
@@ -198,7 +198,7 @@ static inline struct au1xpsc_audio_dmadata *to_dmadata(struct snd_pcm_substream
struct snd_soc_pcm_runtime *rtd = ss->private_data;
struct au1xpsc_audio_dmadata *pcd =
snd_soc_platform_get_drvdata(rtd->platform);
- return &pcd[SUBSTREAM_TYPE(ss)];
+ return &pcd[ss->stream];
}
static int au1xpsc_pcm_hw_params(struct snd_pcm_substream *substream,
@@ -212,7 +212,7 @@ static int au1xpsc_pcm_hw_params(struct snd_pcm_substream *substream,
if (ret < 0)
goto out;
- stype = SUBSTREAM_TYPE(substream);
+ stype = substream->stream;
pcd = to_dmadata(substream);
DBG("runtime->dma_area = 0x%08lx dma_addr_t = 0x%08lx dma_size = %d "
@@ -255,7 +255,7 @@ static int au1xpsc_pcm_prepare(struct snd_pcm_substream *substream)
au1xxx_dbdma_reset(pcd->ddma_chan);
- if (SUBSTREAM_TYPE(substream) == PCM_RX) {
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
au1x_pcm_queue_rx(pcd);
au1x_pcm_queue_rx(pcd);
} else {
@@ -293,6 +293,16 @@ au1xpsc_pcm_pointer(struct snd_pcm_substream *substream)
static int au1xpsc_pcm_open(struct snd_pcm_substream *substream)
{
+ struct au1xpsc_audio_dmadata *pcd = to_dmadata(substream);
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int stype = substream->stream, *dmaids;
+
+ dmaids = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ if (!dmaids)
+ return -ENODEV; /* whoa, has ordering changed? */
+
+ pcd->ddma_id = dmaids[stype];
+
snd_soc_set_runtime_hwparams(substream, &au1xpsc_pcm_hardware);
return 0;
}
@@ -340,36 +350,18 @@ struct snd_soc_platform_driver au1xpsc_soc_platform = {
static int __devinit au1xpsc_pcm_drvprobe(struct platform_device *pdev)
{
struct au1xpsc_audio_dmadata *dmadata;
- struct resource *r;
int ret;
dmadata = kzalloc(2 * sizeof(struct au1xpsc_audio_dmadata), GFP_KERNEL);
if (!dmadata)
return -ENOMEM;
- r = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!r) {
- ret = -ENODEV;
- goto out1;
- }
- dmadata[PCM_TX].ddma_id = r->start;
-
- /* RX DMA */
- r = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!r) {
- ret = -ENODEV;
- goto out1;
- }
- dmadata[PCM_RX].ddma_id = r->start;
-
platform_set_drvdata(pdev, dmadata);
ret = snd_soc_register_platform(&pdev->dev, &au1xpsc_soc_platform);
- if (!ret)
- return ret;
+ if (ret)
+ kfree(dmadata);
-out1:
- kfree(dmadata);
return ret;
}
@@ -405,57 +397,6 @@ static void __exit au1xpsc_audio_dbdma_unload(void)
module_init(au1xpsc_audio_dbdma_load);
module_exit(au1xpsc_audio_dbdma_unload);
-
-struct platform_device *au1xpsc_pcm_add(struct platform_device *pdev)
-{
- struct resource *res, *r;
- struct platform_device *pd;
- int id[2];
- int ret;
-
- r = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!r)
- return NULL;
- id[0] = r->start;
-
- r = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!r)
- return NULL;
- id[1] = r->start;
-
- res = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL);
- if (!res)
- return NULL;
-
- res[0].start = res[0].end = id[0];
- res[1].start = res[1].end = id[1];
- res[0].flags = res[1].flags = IORESOURCE_DMA;
-
- pd = platform_device_alloc("au1xpsc-pcm", pdev->id);
- if (!pd)
- goto out;
-
- pd->resource = res;
- pd->num_resources = 2;
-
- ret = platform_device_add(pd);
- if (!ret)
- return pd;
-
- platform_device_put(pd);
-out:
- kfree(res);
- return NULL;
-}
-EXPORT_SYMBOL_GPL(au1xpsc_pcm_add);
-
-void au1xpsc_pcm_destroy(struct platform_device *dmapd)
-{
- if (dmapd)
- platform_device_unregister(dmapd);
-}
-EXPORT_SYMBOL_GPL(au1xpsc_pcm_destroy);
-
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Au12x0/Au1550 PSC Audio DMA driver");
MODULE_AUTHOR("Manuel Lauss");