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-rw-r--r--sound/arm/Makefile2
-rw-r--r--sound/arm/aaci.c39
-rw-r--r--sound/arm/devdma.c80
-rw-r--r--sound/arm/devdma.h3
4 files changed, 15 insertions, 109 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 1f0f8213e2d..1497dce1b04 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;
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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 10:14:30 +0000