summaryrefslogtreecommitdiff
path: root/sound/soc/kirkwood/kirkwood-dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/kirkwood/kirkwood-dma.c')
-rw-r--r--sound/soc/kirkwood/kirkwood-dma.c69
1 files changed, 45 insertions, 24 deletions
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index a30205be3e2b..0fd6a630db01 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -2,6 +2,7 @@
* kirkwood-dma.c
*
* (c) 2010 Arnaud Patard <apatard@mandriva.com>
+ * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -18,7 +19,6 @@
#include <linux/dma-mapping.h>
#include <linux/mbus.h>
#include <sound/soc.h>
-#include "kirkwood-dma.h"
#include "kirkwood.h"
#define KIRKWOOD_RATES \
@@ -123,9 +123,10 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
int err;
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai;
+ struct snd_soc_platform *platform = soc_runtime->platform;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
struct kirkwood_dma_data *priv;
- struct kirkwood_dma_priv *prdata = cpu_dai->private_data;
+ struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform);
unsigned long addr;
priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
@@ -151,7 +152,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
if (err < 0)
return err;
- if (soc_runtime->dai->cpu_dai->private_data == NULL) {
+ if (prdata == NULL) {
prdata = kzalloc(sizeof(struct kirkwood_dma_priv), GFP_KERNEL);
if (prdata == NULL)
return -ENOMEM;
@@ -165,7 +166,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
return -EBUSY;
}
- soc_runtime->dai->cpu_dai->private_data = prdata;
+ snd_soc_platform_set_drvdata(platform, prdata);
/*
* Enable Error interrupts. We're only ack'ing them but
@@ -191,8 +192,9 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
static int kirkwood_dma_close(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai;
- struct kirkwood_dma_priv *prdata = cpu_dai->private_data;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
+ struct snd_soc_platform *platform = soc_runtime->platform;
+ struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform);
struct kirkwood_dma_data *priv;
priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
@@ -209,7 +211,7 @@ static int kirkwood_dma_close(struct snd_pcm_substream *substream)
writel(0, priv->io + KIRKWOOD_ERR_MASK);
free_irq(priv->irq, prdata);
kfree(prdata);
- soc_runtime->dai->cpu_dai->private_data = NULL;
+ snd_soc_platform_set_drvdata(platform, NULL);
}
return 0;
@@ -236,7 +238,7 @@ static int kirkwood_dma_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
struct kirkwood_dma_data *priv;
unsigned long size, count;
@@ -265,7 +267,7 @@ static snd_pcm_uframes_t kirkwood_dma_pointer(struct snd_pcm_substream
*substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
struct kirkwood_dma_data *priv;
snd_pcm_uframes_t count;
@@ -320,14 +322,14 @@ static int kirkwood_dma_new(struct snd_card *card,
if (!card->dev->coherent_dma_mask)
card->dev->coherent_dma_mask = 0xffffffff;
- if (dai->playback.channels_min) {
+ if (dai->driver->playback.channels_min) {
ret = kirkwood_dma_preallocate_dma_buffer(pcm,
SNDRV_PCM_STREAM_PLAYBACK);
if (ret)
return ret;
}
- if (dai->capture.channels_min) {
+ if (dai->driver->capture.channels_min) {
ret = kirkwood_dma_preallocate_dma_buffer(pcm,
SNDRV_PCM_STREAM_CAPTURE);
if (ret)
@@ -357,27 +359,46 @@ static void kirkwood_dma_free_dma_buffers(struct snd_pcm *pcm)
}
}
-struct snd_soc_platform kirkwood_soc_platform = {
- .name = "kirkwood-dma",
- .pcm_ops = &kirkwood_dma_ops,
+static struct snd_soc_platform_driver kirkwood_soc_platform = {
+ .ops = &kirkwood_dma_ops,
.pcm_new = kirkwood_dma_new,
.pcm_free = kirkwood_dma_free_dma_buffers,
};
-EXPORT_SYMBOL_GPL(kirkwood_soc_platform);
-static int __init kirkwood_soc_platform_init(void)
+static int __devinit kirkwood_soc_platform_probe(struct platform_device *pdev)
{
- return snd_soc_register_platform(&kirkwood_soc_platform);
+ return snd_soc_register_platform(&pdev->dev, &kirkwood_soc_platform);
}
-module_init(kirkwood_soc_platform_init);
-static void __exit kirkwood_soc_platform_exit(void)
+static int __devexit kirkwood_soc_platform_remove(struct platform_device *pdev)
{
- snd_soc_unregister_platform(&kirkwood_soc_platform);
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
}
-module_exit(kirkwood_soc_platform_exit);
-MODULE_AUTHOR("Arnaud Patard <apatard@mandriva.com>");
+static struct platform_driver kirkwood_pcm_driver = {
+ .driver = {
+ .name = "kirkwood-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = kirkwood_soc_platform_probe,
+ .remove = __devexit_p(kirkwood_soc_platform_remove),
+};
+
+static int __init kirkwood_pcm_init(void)
+{
+ return platform_driver_register(&kirkwood_pcm_driver);
+}
+module_init(kirkwood_pcm_init);
+
+static void __exit kirkwood_pcm_exit(void)
+{
+ platform_driver_unregister(&kirkwood_pcm_driver);
+}
+module_exit(kirkwood_pcm_exit);
+
+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
MODULE_DESCRIPTION("Marvell Kirkwood Audio DMA module");
MODULE_LICENSE("GPL");
-
+MODULE_ALIAS("platform:kirkwood-pcm-audio");