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Diffstat (limited to 'sound/soc/sh/ssi.c')
-rw-r--r--sound/soc/sh/ssi.c105
1 files changed, 59 insertions, 46 deletions
diff --git a/sound/soc/sh/ssi.c b/sound/soc/sh/ssi.c
index 3388bc3d62d..e889405ebd3 100644
--- a/sound/soc/sh/ssi.c
+++ b/sound/soc/sh/ssi.c
@@ -89,10 +89,10 @@ struct ssi_priv {
* track usage of the SSI; it is simplex-only so prevent attempts of
* concurrent playback + capture. FIXME: any locking required?
*/
-static int ssi_startup(struct snd_pcm_substream *substream)
+static int ssi_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id];
+ struct ssi_priv *ssi = &ssi_cpu_data[dai->id];
if (ssi->inuse) {
pr_debug("ssi: already in use!\n");
return -EBUSY;
@@ -101,18 +101,18 @@ static int ssi_startup(struct snd_pcm_substream *substream)
return 0;
}
-static void ssi_shutdown(struct snd_pcm_substream *substream)
+static void ssi_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id];
+ struct ssi_priv *ssi = &ssi_cpu_data[dai->id];
ssi->inuse = 0;
}
-static int ssi_trigger(struct snd_pcm_substream *substream, int cmd)
+static int ssi_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id];
+ struct ssi_priv *ssi = &ssi_cpu_data[dai->id];
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
@@ -129,10 +129,10 @@ static int ssi_trigger(struct snd_pcm_substream *substream, int cmd)
}
static int ssi_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id];
+ struct ssi_priv *ssi = &ssi_cpu_data[dai->id];
unsigned long ssicr = SSIREG(SSICR);
unsigned int bits, channels, swl, recv, i;
@@ -141,7 +141,7 @@ static int ssi_hw_params(struct snd_pcm_substream *substream,
recv = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? 0 : 1;
pr_debug("ssi_hw_params() enter\nssicr was %08lx\n", ssicr);
- pr_debug("bits: %d channels: %d\n", bits, channels);
+ pr_debug("bits: %u channels: %u\n", bits, channels);
ssicr &= ~(CR_TRMD | CR_CHNL_MASK | CR_DWL_MASK | CR_PDTA |
CR_SWL_MASK);
@@ -208,7 +208,7 @@ static int ssi_hw_params(struct snd_pcm_substream *substream,
return 0;
}
-static int ssi_set_sysclk(struct snd_soc_cpu_dai *cpu_dai, int clk_id,
+static int ssi_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id,
unsigned int freq, int dir)
{
struct ssi_priv *ssi = &ssi_cpu_data[cpu_dai->id];
@@ -222,7 +222,7 @@ static int ssi_set_sysclk(struct snd_soc_cpu_dai *cpu_dai, int clk_id,
* This divider is used to generate the SSI_SCK (I2S bitclock) from the
* clock at the HAC_BIT_CLK ("oversampling clock") pin.
*/
-static int ssi_set_clkdiv(struct snd_soc_cpu_dai *dai, int did, int div)
+static int ssi_set_clkdiv(struct snd_soc_dai *dai, int did, int div)
{
struct ssi_priv *ssi = &ssi_cpu_data[dai->id];
unsigned long ssicr;
@@ -245,7 +245,7 @@ static int ssi_set_clkdiv(struct snd_soc_cpu_dai *dai, int did, int div)
return 0;
}
-static int ssi_set_fmt(struct snd_soc_cpu_dai *dai, unsigned int fmt)
+static int ssi_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct ssi_priv *ssi = &ssi_cpu_data[dai->id];
unsigned long ssicr = SSIREG(SSICR);
@@ -332,11 +332,19 @@ static int ssi_set_fmt(struct snd_soc_cpu_dai *dai, unsigned int fmt)
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3LE | \
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_U32_LE)
-struct snd_soc_cpu_dai sh4_ssi_dai[] = {
+static const struct snd_soc_dai_ops ssi_dai_ops = {
+ .startup = ssi_startup,
+ .shutdown = ssi_shutdown,
+ .trigger = ssi_trigger,
+ .hw_params = ssi_hw_params,
+ .set_sysclk = ssi_set_sysclk,
+ .set_clkdiv = ssi_set_clkdiv,
+ .set_fmt = ssi_set_fmt,
+};
+
+static struct snd_soc_dai_driver sh4_ssi_dai[] = {
{
- .name = "SSI0",
- .id = 0,
- .type = SND_SOC_DAI_I2S,
+ .name = "ssi-dai.0",
.playback = {
.rates = SSI_RATES,
.formats = SSI_FMTS,
@@ -349,23 +357,11 @@ struct snd_soc_cpu_dai sh4_ssi_dai[] = {
.channels_min = 2,
.channels_max = 8,
},
- .ops = {
- .startup = ssi_startup,
- .shutdown = ssi_shutdown,
- .trigger = ssi_trigger,
- .hw_params = ssi_hw_params,
- },
- .dai_ops = {
- .set_sysclk = ssi_set_sysclk,
- .set_clkdiv = ssi_set_clkdiv,
- .set_fmt = ssi_set_fmt,
- },
+ .ops = &ssi_dai_ops,
},
#ifdef CONFIG_CPU_SUBTYPE_SH7760
{
- .name = "SSI1",
- .id = 1,
- .type = SND_SOC_DAI_I2S,
+ .name = "ssi-dai.1",
.playback = {
.rates = SSI_RATES,
.formats = SSI_FMTS,
@@ -378,21 +374,38 @@ struct snd_soc_cpu_dai sh4_ssi_dai[] = {
.channels_min = 2,
.channels_max = 8,
},
- .ops = {
- .startup = ssi_startup,
- .shutdown = ssi_shutdown,
- .trigger = ssi_trigger,
- .hw_params = ssi_hw_params,
- },
- .dai_ops = {
- .set_sysclk = ssi_set_sysclk,
- .set_clkdiv = ssi_set_clkdiv,
- .set_fmt = ssi_set_fmt,
- },
+ .ops = &ssi_dai_ops,
},
#endif
};
-EXPORT_SYMBOL_GPL(sh4_ssi_dai);
+
+static const struct snd_soc_component_driver sh4_ssi_component = {
+ .name = "sh4-ssi",
+};
+
+static int sh4_soc_dai_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_component(&pdev->dev, &sh4_ssi_component,
+ sh4_ssi_dai, ARRAY_SIZE(sh4_ssi_dai));
+}
+
+static int sh4_soc_dai_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_component(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver sh4_ssi_driver = {
+ .driver = {
+ .name = "sh4-ssi-dai",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = sh4_soc_dai_probe,
+ .remove = sh4_soc_dai_remove,
+};
+
+module_platform_driver(sh4_ssi_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SuperH onchip SSI (I2S) audio driver");