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path: root/sound/soc/omap/omap-mcbsp.c
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Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r--sound/soc/omap/omap-mcbsp.c125
1 files changed, 62 insertions, 63 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 86f21390..9969618 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -62,8 +62,6 @@ struct omap_mcbsp_data {
int wlen;
};
-#define to_mcbsp(priv) container_of((priv), struct omap_mcbsp_data, bus_id)
-
static struct omap_mcbsp_data mcbsp_data[NUM_LINKS];
/*
@@ -153,13 +151,13 @@ static const unsigned long omap34xx_mcbsp_port[][2] = {};
static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
struct omap_pcm_dma_data *dma_data;
int dma_op_mode = omap_mcbsp_get_dma_op_mode(mcbsp_data->bus_id);
int words;
- dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
/* TODO: Currently, MODE_ELEMENT == MODE_FRAME */
if (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)
@@ -203,11 +201,9 @@ static int omap_mcbsp_hwrule_min_buffersize(struct snd_pcm_hw_params *params,
}
static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
+ struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
int bus_id = mcbsp_data->bus_id;
int err = 0;
@@ -249,11 +245,9 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
}
static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
+ struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
if (!cpu_dai->active) {
omap_mcbsp_free(mcbsp_data->bus_id);
@@ -262,11 +256,9 @@ static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream,
}
static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd,
- struct snd_soc_dai *dai)
+ struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
int err = 0, play = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
switch (cmd) {
@@ -295,8 +287,8 @@ static snd_pcm_sframes_t omap_mcbsp_dai_delay(
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
u16 fifo_use;
snd_pcm_sframes_t delay;
@@ -317,11 +309,9 @@ static snd_pcm_sframes_t omap_mcbsp_dai_delay(
static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
+ struct snd_soc_dai *cpu_dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
struct omap_pcm_dma_data *dma_data;
int dma, bus_id = mcbsp_data->bus_id;
@@ -496,7 +486,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
unsigned int fmt)
{
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
unsigned int temp_fmt = fmt;
@@ -596,7 +586,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
static int omap_mcbsp_dai_set_clkdiv(struct snd_soc_dai *cpu_dai,
int div_id, int div)
{
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
if (div_id != OMAP_MCBSP_CLKGDV)
@@ -699,7 +689,7 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
int clk_id, unsigned int freq,
int dir)
{
- struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
+ struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai);
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
int err = 0;
@@ -733,7 +723,7 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
return err;
}
-static struct snd_soc_dai_ops omap_mcbsp_dai_ops = {
+static struct snd_soc_dai_ops mcbsp_dai_ops = {
.startup = omap_mcbsp_dai_startup,
.shutdown = omap_mcbsp_dai_shutdown,
.trigger = omap_mcbsp_dai_trigger,
@@ -744,43 +734,32 @@ static struct snd_soc_dai_ops omap_mcbsp_dai_ops = {
.set_sysclk = omap_mcbsp_dai_set_dai_sysclk,
};
-#define OMAP_MCBSP_DAI_BUILDER(link_id) \
-{ \
- .name = "omap-mcbsp-dai-"#link_id, \
- .id = (link_id), \
- .playback = { \
- .channels_min = 1, \
- .channels_max = 16, \
- .rates = OMAP_MCBSP_RATES, \
- .formats = SNDRV_PCM_FMTBIT_S16_LE | \
- SNDRV_PCM_FMTBIT_S32_LE, \
- }, \
- .capture = { \
- .channels_min = 1, \
- .channels_max = 16, \
- .rates = OMAP_MCBSP_RATES, \
- .formats = SNDRV_PCM_FMTBIT_S16_LE | \
- SNDRV_PCM_FMTBIT_S32_LE, \
- }, \
- .ops = &omap_mcbsp_dai_ops, \
- .private_data = &mcbsp_data[(link_id)].bus_id, \
+static int mcbsp_dai_probe(struct snd_soc_dai *dai)
+{
+ mcbsp_data[dai->id].bus_id = dai->id;
+ snd_soc_dai_set_drvdata(dai, &mcbsp_data[dai->id].bus_id);
+ return 0;
}
-struct snd_soc_dai omap_mcbsp_dai[] = {
- OMAP_MCBSP_DAI_BUILDER(0),
- OMAP_MCBSP_DAI_BUILDER(1),
-#if NUM_LINKS >= 3
- OMAP_MCBSP_DAI_BUILDER(2),
-#endif
-#if NUM_LINKS == 5
- OMAP_MCBSP_DAI_BUILDER(3),
- OMAP_MCBSP_DAI_BUILDER(4),
-#endif
+static struct snd_soc_dai_driver omap_mcbsp_dai =
+{
+ .probe = mcbsp_dai_probe,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 16,
+ .rates = OMAP_MCBSP_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 16,
+ .rates = OMAP_MCBSP_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
+ },
+ .ops = &mcbsp_dai_ops,
};
-EXPORT_SYMBOL_GPL(omap_mcbsp_dai);
-
-int omap_mcbsp_st_info_volsw(struct snd_kcontrol *kcontrol,
+static int omap_mcbsp_st_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct soc_mixer_control *mc =
@@ -910,16 +889,36 @@ int omap_mcbsp_st_add_controls(struct snd_soc_codec *codec, int mcbsp_id)
}
EXPORT_SYMBOL_GPL(omap_mcbsp_st_add_controls);
+static __devinit int asoc_mcbsp_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_dai(&pdev->dev, &omap_mcbsp_dai);
+}
+
+static int __devexit asoc_mcbsp_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_dai(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver asoc_mcbsp_driver = {
+ .driver = {
+ .name = "omap-mcbsp-dai",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = asoc_mcbsp_probe,
+ .remove = __devexit_p(asoc_mcbsp_remove),
+};
+
static int __init snd_omap_mcbsp_init(void)
{
- return snd_soc_register_dais(omap_mcbsp_dai,
- ARRAY_SIZE(omap_mcbsp_dai));
+ return platform_driver_register(&asoc_mcbsp_driver);
}
module_init(snd_omap_mcbsp_init);
static void __exit snd_omap_mcbsp_exit(void)
{
- snd_soc_unregister_dais(omap_mcbsp_dai, ARRAY_SIZE(omap_mcbsp_dai));
+ platform_driver_unregister(&asoc_mcbsp_driver);
}
module_exit(snd_omap_mcbsp_exit);
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