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authorTakashi Iwai <tiwai@suse.de>2009-12-04 16:22:32 +0100
committerTakashi Iwai <tiwai@suse.de>2009-12-04 16:22:32 +0100
commit79598324838a25cc378ecbb8c29dd1e3d3951d35 (patch)
tree7d29e81580cba854042df4e33bdc8f38bbd65d03 /sound/arm
parent8ee763b9c82c6ca0a59a7271ce4fa29d7baf5c09 (diff)
parentb00615d163cd24fa98d155acfc1f9d81d6fe1103 (diff)
downloadlinux-linaro-79598324838a25cc378ecbb8c29dd1e3d3951d35.tar.gz
Merge branch 'topic/core-change' into for-linus
Diffstat (limited to 'sound/arm')
-rw-r--r--sound/arm/Makefile2
-rw-r--r--sound/arm/aaci.c16
-rw-r--r--sound/arm/devdma.c80
-rw-r--r--sound/arm/devdma.h3
4 files changed, 6 insertions, 95 deletions
diff --git a/sound/arm/Makefile b/sound/arm/Makefile
index 5a549ed6c8a..8c0c851d464 100644
--- a/sound/arm/Makefile
+++ b/sound/arm/Makefile
@@ -3,7 +3,7 @@
#
obj-$(CONFIG_SND_ARMAACI) += snd-aaci.o
-snd-aaci-objs := aaci.o devdma.o
+snd-aaci-objs := aaci.o
obj-$(CONFIG_SND_PXA2XX_PCM) += snd-pxa2xx-pcm.o
snd-pxa2xx-pcm-objs := pxa2xx-pcm.o
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 6c160a038b2..1534f3d88bc 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -30,7 +30,6 @@
#include <sound/pcm_params.h>
#include "aaci.h"
-#include "devdma.h"
#define DRIVER_NAME "aaci-pl041"
@@ -492,7 +491,7 @@ 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;
}
@@ -509,8 +508,8 @@ static int aaci_pcm_hw_params(struct snd_pcm_substream *substream,
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;
@@ -555,11 +554,6 @@ 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
@@ -726,7 +720,6 @@ 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,
@@ -854,7 +847,6 @@ 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,
};
/*
@@ -1044,6 +1036,8 @@ 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;
diff --git a/sound/arm/devdma.c b/sound/arm/devdma.c
deleted file mode 100644
index 9d1e6665b54..00000000000
--- a/sound/arm/devdma.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * linux/sound/arm/devdma.c
- *
- * Copyright (C) 2003-2004 Russell King, All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * ARM DMA shim for ALSA.
- */
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-
-#include "devdma.h"
-
-void devdma_hw_free(struct device *dev, struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_dma_buffer *buf = runtime->dma_buffer_p;
-
- if (runtime->dma_area == NULL)
- return;
-
- if (buf != &substream->dma_buffer) {
- dma_free_coherent(buf->dev.dev, buf->bytes, buf->area, buf->addr);
- kfree(runtime->dma_buffer_p);
- }
-
- snd_pcm_set_runtime_buffer(substream, NULL);
-}
-
-int devdma_hw_alloc(struct device *dev, struct snd_pcm_substream *substream, size_t size)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_dma_buffer *buf = runtime->dma_buffer_p;
- int ret = 0;
-
- if (buf) {
- if (buf->bytes >= size)
- goto out;
- devdma_hw_free(dev, substream);
- }
-
- if (substream->dma_buffer.area != NULL && substream->dma_buffer.bytes >= size) {
- buf = &substream->dma_buffer;
- } else {
- buf = kmalloc(sizeof(struct snd_dma_buffer), GFP_KERNEL);
- if (!buf)
- goto nomem;
-
- buf->dev.type = SNDRV_DMA_TYPE_DEV;
- buf->dev.dev = dev;
- buf->area = dma_alloc_coherent(dev, size, &buf->addr, GFP_KERNEL);
- buf->bytes = size;
- buf->private_data = NULL;
-
- if (!buf->area)
- goto free;
- }
- snd_pcm_set_runtime_buffer(substream, buf);
- ret = 1;
- out:
- runtime->dma_bytes = size;
- return ret;
-
- free:
- kfree(buf);
- nomem:
- return -ENOMEM;
-}
-
-int devdma_mmap(struct device *dev, struct snd_pcm_substream *substream, struct vm_area_struct *vma)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- return dma_mmap_coherent(dev, vma, runtime->dma_area, runtime->dma_addr, runtime->dma_bytes);
-}
diff --git a/sound/arm/devdma.h b/sound/arm/devdma.h
deleted file mode 100644
index d025329c8a0..00000000000
--- a/sound/arm/devdma.h
+++ /dev/null
@@ -1,3 +0,0 @@
-void devdma_hw_free(struct device *dev, struct snd_pcm_substream *substream);
-int devdma_hw_alloc(struct device *dev, struct snd_pcm_substream *substream, size_t size);
-int devdma_mmap(struct device *dev, struct snd_pcm_substream *substream, struct vm_area_struct *vma);