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Diffstat (limited to 'sound/soc/kirkwood/kirkwood-i2s.c')
-rw-r--r--sound/soc/kirkwood/kirkwood-i2s.c52
1 files changed, 29 insertions, 23 deletions
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 981ffc2a13c..9b62cba4f59 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -20,7 +20,6 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <plat/audio.h>
-#include "kirkwood-i2s.h"
#include "kirkwood.h"
#define DRV_NAME "kirkwood-i2s"
@@ -33,13 +32,10 @@
SNDRV_PCM_FMTBIT_S24_LE | \
SNDRV_PCM_FMTBIT_S32_LE)
-
-struct snd_soc_dai kirkwood_i2s_dai;
-static struct kirkwood_dma_data *priv;
-
static int kirkwood_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
unsigned int fmt)
{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(cpu_dai);
unsigned long mask;
unsigned long value;
@@ -101,10 +97,20 @@ static inline void kirkwood_set_dco(void __iomem *io, unsigned long rate)
} while (value == 0);
}
+static int kirkwood_i2s_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
+
+ snd_soc_dai_set_dma_data(dai, substream, priv);
+ return 0;
+}
+
static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
unsigned int i2s_reg, reg;
unsigned long i2s_value, value;
@@ -171,6 +177,7 @@ static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream,
static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
unsigned long value;
/*
@@ -244,6 +251,7 @@ static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream,
static int kirkwood_i2s_rec_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
unsigned long value;
value = readl(priv->io + KIRKWOOD_RECCTL);
@@ -323,9 +331,9 @@ static int kirkwood_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
return 0;
}
-static int kirkwood_i2s_probe(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int kirkwood_i2s_probe(struct snd_soc_dai *dai)
{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
unsigned long value;
unsigned int reg_data;
@@ -359,21 +367,20 @@ static int kirkwood_i2s_probe(struct platform_device *pdev,
}
-static void kirkwood_i2s_remove(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int kirkwood_i2s_remove(struct snd_soc_dai *dai)
{
+ return 0;
}
static struct snd_soc_dai_ops kirkwood_i2s_dai_ops = {
+ .startup = kirkwood_i2s_startup,
.trigger = kirkwood_i2s_trigger,
.hw_params = kirkwood_i2s_hw_params,
.set_fmt = kirkwood_i2s_set_fmt,
};
-struct snd_soc_dai kirkwood_i2s_dai = {
- .name = DRV_NAME,
- .id = 0,
+static struct snd_soc_dai_driver kirkwood_i2s_dai = {
.probe = kirkwood_i2s_probe,
.remove = kirkwood_i2s_remove,
.playback = {
@@ -388,13 +395,13 @@ struct snd_soc_dai kirkwood_i2s_dai = {
.formats = KIRKWOOD_I2S_FORMATS,},
.ops = &kirkwood_i2s_dai_ops,
};
-EXPORT_SYMBOL_GPL(kirkwood_i2s_dai);
static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev)
{
struct resource *mem;
struct kirkwood_asoc_platform_data *data =
pdev->dev.platform_data;
+ struct kirkwood_dma_data *priv;
int err;
priv = kzalloc(sizeof(struct kirkwood_dma_data), GFP_KERNEL);
@@ -403,6 +410,7 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev)
err = -ENOMEM;
goto error;
}
+ dev_set_drvdata(&pdev->dev, priv);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
@@ -441,10 +449,7 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev)
priv->dram = data->dram;
priv->burst = data->burst;
- kirkwood_i2s_dai.capture.dma_data = priv;
- kirkwood_i2s_dai.playback.dma_data = priv;
-
- return snd_soc_register_dai(&kirkwood_i2s_dai);
+ return snd_soc_register_dai(&pdev->dev, &kirkwood_i2s_dai);
err_ioremap:
iounmap(priv->io);
@@ -458,12 +463,13 @@ error:
static __devexit int kirkwood_i2s_dev_remove(struct platform_device *pdev)
{
- if (priv) {
- iounmap(priv->io);
- release_mem_region(priv->mem->start, SZ_16K);
- kfree(priv);
- }
- snd_soc_unregister_dai(&kirkwood_i2s_dai);
+ struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev);
+
+ snd_soc_unregister_dai(&pdev->dev);
+ iounmap(priv->io);
+ release_mem_region(priv->mem->start, SZ_16K);
+ kfree(priv);
+
return 0;
}