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path: root/sound/soc/davinci/davinci-i2s.c
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Diffstat (limited to 'sound/soc/davinci/davinci-i2s.c')
-rw-r--r--sound/soc/davinci/davinci-i2s.c50
1 files changed, 21 insertions, 29 deletions
diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index 9e8932abf15..d46b545d41f 100644
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -183,8 +183,7 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_platform *platform = socdev->card->platform;
+ struct snd_soc_platform *platform = rtd->platform;
int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
u32 spcr;
u32 mask = playback ? DAVINCI_MCBSP_SPCR_XRST : DAVINCI_MCBSP_SPCR_RRST;
@@ -205,8 +204,8 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
if (playback) {
/* Stop the DMA to avoid data loss */
/* while the transmitter is out of reset to handle XSYNCERR */
- if (platform->pcm_ops->trigger) {
- int ret = platform->pcm_ops->trigger(substream,
+ if (platform->driver->ops->trigger) {
+ int ret = platform->driver->ops->trigger(substream,
SNDRV_PCM_TRIGGER_STOP);
if (ret < 0)
printk(KERN_DEBUG "Playback DMA stop failed\n");
@@ -227,8 +226,8 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
toggle_clock(dev, playback);
/* Restart the DMA */
- if (platform->pcm_ops->trigger) {
- int ret = platform->pcm_ops->trigger(substream,
+ if (platform->driver->ops->trigger) {
+ int ret = platform->driver->ops->trigger(substream,
SNDRV_PCM_TRIGGER_START);
if (ret < 0)
printk(KERN_DEBUG "Playback DMA start failed\n");
@@ -263,7 +262,7 @@ static void davinci_mcbsp_stop(struct davinci_mcbsp_dev *dev, int playback)
static int davinci_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
unsigned int fmt)
{
- struct davinci_mcbsp_dev *dev = cpu_dai->private_data;
+ struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(cpu_dai);
unsigned int pcr;
unsigned int srgr;
/* Attention srgr is updated by hw_params! */
@@ -404,7 +403,7 @@ static int davinci_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
static int davinci_i2s_dai_set_clkdiv(struct snd_soc_dai *cpu_dai,
int div_id, int div)
{
- struct davinci_mcbsp_dev *dev = cpu_dai->private_data;
+ struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(cpu_dai);
if (div_id != DAVINCI_MCBSP_CLKGDV)
return -ENODEV;
@@ -417,7 +416,7 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct davinci_mcbsp_dev *dev = dai->private_data;
+ struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai);
struct davinci_pcm_dma_params *dma_params =
&dev->dma_params[substream->stream];
struct snd_interval *i = NULL;
@@ -427,6 +426,9 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
snd_pcm_format_t fmt;
unsigned element_cnt = 1;
+ dai->capture_dma_data = dev->dma_params;
+ dai->playback_dma_data = dev->dma_params;
+
/* general line settings */
spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
@@ -569,24 +571,18 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
static int davinci_i2s_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct davinci_mcbsp_dev *dev = dai->private_data;
+ struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai);
int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
davinci_mcbsp_stop(dev, playback);
- if ((dev->pcr & DAVINCI_MCBSP_PCR_FSXM) == 0) {
- /* codec is master */
- davinci_mcbsp_start(dev, substream);
- }
return 0;
}
static int davinci_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
- struct davinci_mcbsp_dev *dev = dai->private_data;
+ struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai);
int ret = 0;
int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
- if ((dev->pcr & DAVINCI_MCBSP_PCR_FSXM) == 0)
- return 0; /* return if codec is master */
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
@@ -608,7 +604,7 @@ static int davinci_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
static void davinci_i2s_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct davinci_mcbsp_dev *dev = dai->private_data;
+ struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai);
int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
davinci_mcbsp_stop(dev, playback);
}
@@ -625,9 +621,7 @@ static struct snd_soc_dai_ops davinci_i2s_dai_ops = {
};
-struct snd_soc_dai davinci_i2s_dai = {
- .name = "davinci-i2s",
- .id = 0,
+static struct snd_soc_dai_driver davinci_i2s_dai = {
.playback = {
.channels_min = 2,
.channels_max = 2,
@@ -641,7 +635,6 @@ struct snd_soc_dai davinci_i2s_dai = {
.ops = &davinci_i2s_dai_ops,
};
-EXPORT_SYMBOL_GPL(davinci_i2s_dai);
static int davinci_i2s_probe(struct platform_device *pdev)
{
@@ -720,10 +713,9 @@ static int davinci_i2s_probe(struct platform_device *pdev)
dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel = res->start;
dev->dev = &pdev->dev;
- davinci_i2s_dai.private_data = dev;
- davinci_i2s_dai.capture.dma_data = dev->dma_params;
- davinci_i2s_dai.playback.dma_data = dev->dma_params;
- ret = snd_soc_register_dai(&davinci_i2s_dai);
+ dev_set_drvdata(&pdev->dev, dev);
+
+ ret = snd_soc_register_dai(&pdev->dev, &davinci_i2s_dai);
if (ret != 0)
goto err_free_mem;
@@ -739,10 +731,10 @@ err_release_region:
static int davinci_i2s_remove(struct platform_device *pdev)
{
- struct davinci_mcbsp_dev *dev = davinci_i2s_dai.private_data;
+ struct davinci_mcbsp_dev *dev = dev_get_drvdata(&pdev->dev);
struct resource *mem;
- snd_soc_unregister_dai(&davinci_i2s_dai);
+ snd_soc_unregister_dai(&pdev->dev);
clk_disable(dev->clk);
clk_put(dev->clk);
dev->clk = NULL;
@@ -757,7 +749,7 @@ static struct platform_driver davinci_mcbsp_driver = {
.probe = davinci_i2s_probe,
.remove = davinci_i2s_remove,
.driver = {
- .name = "davinci-asp",
+ .name = "davinci-i2s",
.owner = THIS_MODULE,
},
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 13:34:31 +0000