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Diffstat (limited to 'sound/soc/jz4740/jz4740-i2s.c')
-rw-r--r--sound/soc/jz4740/jz4740-i2s.c104
1 files changed, 51 insertions, 53 deletions
diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index eb518f0c5e01..f3cffd183401 100644
--- a/sound/soc/jz4740/jz4740-i2s.c
+++ b/sound/soc/jz4740/jz4740-i2s.c
@@ -106,15 +106,10 @@ static inline void jz4740_i2s_write(const struct jz4740_i2s *i2s,
writel(value, i2s->base + reg);
}
-static inline struct jz4740_i2s *jz4740_dai_to_i2s(struct snd_soc_dai *dai)
-{
- return dai->private_data;
-}
-
static int jz4740_i2s_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
uint32_t conf, ctrl;
if (dai->active)
@@ -136,7 +131,7 @@ static int jz4740_i2s_startup(struct snd_pcm_substream *substream,
static void jz4740_i2s_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
uint32_t conf;
if (!dai->active)
@@ -152,7 +147,7 @@ static void jz4740_i2s_shutdown(struct snd_pcm_substream *substream,
static int jz4740_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
uint32_t ctrl;
uint32_t mask;
@@ -186,7 +181,7 @@ static int jz4740_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
static int jz4740_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
uint32_t format = 0;
uint32_t conf;
@@ -238,7 +233,7 @@ static int jz4740_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
enum jz4740_dma_width dma_width;
struct jz4740_pcm_config *pcm_config;
unsigned int sample_size;
@@ -288,7 +283,7 @@ static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
static int jz4740_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
struct clk *parent;
int ret = 0;
@@ -312,7 +307,7 @@ static int jz4740_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
static int jz4740_i2s_suspend(struct snd_soc_dai *dai)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
uint32_t conf;
if (dai->active) {
@@ -330,7 +325,7 @@ static int jz4740_i2s_suspend(struct snd_soc_dai *dai)
static int jz4740_i2s_resume(struct snd_soc_dai *dai)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
uint32_t conf;
clk_enable(i2s->clk_aic);
@@ -346,11 +341,38 @@ static int jz4740_i2s_resume(struct snd_soc_dai *dai)
return 0;
}
-static int jz4740_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *dai)
+static void jz4740_i2c_init_pcm_config(struct jz4740_i2s *i2s)
{
- struct jz4740_i2s *i2s = jz4740_dai_to_i2s(dai);
+ struct jz4740_dma_config *dma_config;
+
+ /* Playback */
+ dma_config = &i2s->pcm_config_playback.dma_config;
+ dma_config->src_width = JZ4740_DMA_WIDTH_32BIT,
+ dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
+ dma_config->request_type = JZ4740_DMA_TYPE_AIC_TRANSMIT;
+ dma_config->flags = JZ4740_DMA_SRC_AUTOINC;
+ dma_config->mode = JZ4740_DMA_MODE_SINGLE;
+ i2s->pcm_config_playback.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
+
+ /* Capture */
+ dma_config = &i2s->pcm_config_capture.dma_config;
+ dma_config->dst_width = JZ4740_DMA_WIDTH_32BIT,
+ dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
+ dma_config->request_type = JZ4740_DMA_TYPE_AIC_RECEIVE;
+ dma_config->flags = JZ4740_DMA_DST_AUTOINC;
+ dma_config->mode = JZ4740_DMA_MODE_SINGLE;
+ i2s->pcm_config_capture.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
+}
+
+static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai)
+{
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
uint32_t conf;
+ clk_enable(i2s->clk_aic);
+
+ jz4740_i2c_init_pcm_config(i2s);
+
conf = (7 << JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
(8 << JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
JZ_AIC_CONF_OVERFLOW_PLAY_LAST |
@@ -363,6 +385,14 @@ static int jz4740_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *da
return 0;
}
+static int jz4740_i2s_dai_remove(struct snd_soc_dai *dai)
+{
+ struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+ clk_disable(i2s->clk_aic);
+ return 0;
+}
+
static struct snd_soc_dai_ops jz4740_i2s_dai_ops = {
.startup = jz4740_i2s_startup,
.shutdown = jz4740_i2s_shutdown,
@@ -375,9 +405,9 @@ static struct snd_soc_dai_ops jz4740_i2s_dai_ops = {
#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \
SNDRV_PCM_FMTBIT_S16_LE)
-struct snd_soc_dai jz4740_i2s_dai = {
- .name = "jz4740-i2s",
- .probe = jz4740_i2s_probe,
+static struct snd_soc_dai_driver jz4740_i2s_dai = {
+ .probe = jz4740_i2s_dai_probe,
+ .remove = jz4740_i2s_dai_remove,
.playback = {
.channels_min = 1,
.channels_max = 2,
@@ -395,30 +425,6 @@ struct snd_soc_dai jz4740_i2s_dai = {
.suspend = jz4740_i2s_suspend,
.resume = jz4740_i2s_resume,
};
-EXPORT_SYMBOL_GPL(jz4740_i2s_dai);
-
-static void __devinit jz4740_i2c_init_pcm_config(struct jz4740_i2s *i2s)
-{
- struct jz4740_dma_config *dma_config;
-
- /* Playback */
- dma_config = &i2s->pcm_config_playback.dma_config;
- dma_config->src_width = JZ4740_DMA_WIDTH_32BIT,
- dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
- dma_config->request_type = JZ4740_DMA_TYPE_AIC_TRANSMIT;
- dma_config->flags = JZ4740_DMA_SRC_AUTOINC;
- dma_config->mode = JZ4740_DMA_MODE_SINGLE;
- i2s->pcm_config_playback.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
-
- /* Capture */
- dma_config = &i2s->pcm_config_capture.dma_config;
- dma_config->dst_width = JZ4740_DMA_WIDTH_32BIT,
- dma_config->transfer_size = JZ4740_DMA_TRANSFER_SIZE_16BYTE;
- dma_config->request_type = JZ4740_DMA_TYPE_AIC_RECEIVE;
- dma_config->flags = JZ4740_DMA_DST_AUTOINC;
- dma_config->mode = JZ4740_DMA_MODE_SINGLE;
- i2s->pcm_config_capture.fifo_addr = i2s->phys_base + JZ_REG_AIC_FIFO;
-}
static int __devinit jz4740_i2s_dev_probe(struct platform_device *pdev)
{
@@ -463,24 +469,17 @@ static int __devinit jz4740_i2s_dev_probe(struct platform_device *pdev)
goto err_clk_put_aic;
}
- clk_enable(i2s->clk_aic);
-
- jz4740_i2c_init_pcm_config(i2s);
-
- jz4740_i2s_dai.private_data = i2s;
- ret = snd_soc_register_dai(&jz4740_i2s_dai);
+ platform_set_drvdata(pdev, i2s);
+ ret = snd_soc_register_dai(&pdev->dev, &jz4740_i2s_dai);
if (ret) {
dev_err(&pdev->dev, "Failed to register DAI\n");
goto err_clk_put_i2s;
}
- platform_set_drvdata(pdev, i2s);
-
return 0;
err_clk_put_i2s:
- clk_disable(i2s->clk_aic);
clk_put(i2s->clk_i2s);
err_clk_put_aic:
clk_put(i2s->clk_aic);
@@ -498,9 +497,8 @@ static int __devexit jz4740_i2s_dev_remove(struct platform_device *pdev)
{
struct jz4740_i2s *i2s = platform_get_drvdata(pdev);
- snd_soc_unregister_dai(&jz4740_i2s_dai);
+ snd_soc_unregister_dai(&pdev->dev);
- clk_disable(i2s->clk_aic);
clk_put(i2s->clk_i2s);
clk_put(i2s->clk_aic);
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-19 14:29:02 +0000