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-rw-r--r--sound/arm/aaci.c39
1 files changed, 14 insertions, 25 deletions
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 1f0f8213e2d5..1497dce1b04a 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -18,10 +18,7 @@
#include <linux/interrupt.h>
#include <linux/err.h>
#include <linux/amba/bus.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/sizes.h>
+#include <linux/io.h>
#include <sound/core.h>
#include <sound/initval.h>
@@ -30,7 +27,6 @@
#include <sound/pcm_params.h>
#include "aaci.h"
-#include "devdma.h"
#define DRIVER_NAME "aaci-pl041"
@@ -492,7 +488,7 @@ static int aaci_pcm_hw_free(struct snd_pcm_substream *substream)
/*
* Clear out the DMA and any allocated buffers.
*/
- devdma_hw_free(NULL, substream);
+ snd_pcm_lib_free_pages(substream);
return 0;
}
@@ -504,21 +500,19 @@ static int aaci_pcm_hw_params(struct snd_pcm_substream *substream,
int err;
aaci_pcm_hw_free(substream);
+ if (aacirun->pcm_open) {
+ snd_ac97_pcm_close(aacirun->pcm);
+ aacirun->pcm_open = 0;
+ }
- err = devdma_hw_alloc(NULL, substream,
- params_buffer_bytes(params));
+ err = snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(params));
if (err < 0)
goto out;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- err = snd_ac97_pcm_open(aacirun->pcm, params_rate(params),
- params_channels(params),
- aacirun->pcm->r[0].slots);
- else
- err = snd_ac97_pcm_open(aacirun->pcm, params_rate(params),
- params_channels(params),
- aacirun->pcm->r[1].slots);
-
+ err = snd_ac97_pcm_open(aacirun->pcm, params_rate(params),
+ params_channels(params),
+ aacirun->pcm->r[0].slots);
if (err)
goto out;
@@ -534,7 +528,7 @@ static int aaci_pcm_prepare(struct snd_pcm_substream *substream)
struct aaci_runtime *aacirun = runtime->private_data;
aacirun->start = (void *)runtime->dma_area;
- aacirun->end = aacirun->start + runtime->dma_bytes;
+ aacirun->end = aacirun->start + snd_pcm_lib_buffer_bytes(substream);
aacirun->ptr = aacirun->start;
aacirun->period =
aacirun->bytes = frames_to_bytes(runtime, runtime->period_size);
@@ -551,11 +545,6 @@ static snd_pcm_uframes_t aaci_pcm_pointer(struct snd_pcm_substream *substream)
return bytes_to_frames(runtime, bytes);
}
-static int aaci_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma)
-{
- return devdma_mmap(NULL, substream, vma);
-}
-
/*
* Playback specific ALSA stuff
@@ -722,7 +711,6 @@ static struct snd_pcm_ops aaci_playback_ops = {
.prepare = aaci_pcm_prepare,
.trigger = aaci_pcm_playback_trigger,
.pointer = aaci_pcm_pointer,
- .mmap = aaci_pcm_mmap,
};
static int aaci_pcm_capture_hw_params(struct snd_pcm_substream *substream,
@@ -850,7 +838,6 @@ static struct snd_pcm_ops aaci_capture_ops = {
.prepare = aaci_pcm_capture_prepare,
.trigger = aaci_pcm_capture_trigger,
.pointer = aaci_pcm_pointer,
- .mmap = aaci_pcm_mmap,
};
/*
@@ -1040,6 +1027,8 @@ static int __devinit aaci_init_pcm(struct aaci *aaci)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &aaci_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &aaci_capture_ops);
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ NULL, 0, 64 * 104);
}
return ret;