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Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r--sound/soc/omap/omap-mcbsp.c61
1 files changed, 39 insertions, 22 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 8485a8a9d0ff..ec5e18a78758 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -36,9 +36,7 @@
#include "omap-mcbsp.h"
#include "omap-pcm.h"
-#define OMAP_MCBSP_RATES (SNDRV_PCM_RATE_44100 | \
- SNDRV_PCM_RATE_48000 | \
- SNDRV_PCM_RATE_KNOT)
+#define OMAP_MCBSP_RATES (SNDRV_PCM_RATE_8000_96000)
struct omap_mcbsp_data {
unsigned int bus_id;
@@ -140,7 +138,8 @@ static const unsigned long omap34xx_mcbsp_port[][2] = {
static const unsigned long omap34xx_mcbsp_port[][2] = {};
#endif
-static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream)
+static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
@@ -153,7 +152,8 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream)
return err;
}
-static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream)
+static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
@@ -165,7 +165,8 @@ static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream)
}
}
-static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd)
+static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
@@ -194,14 +195,15 @@ static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd)
}
static int omap_mcbsp_dai_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 snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
int dma, bus_id = mcbsp_data->bus_id, id = cpu_dai->id;
- int wlen;
+ int wlen, channels;
unsigned long port;
if (cpu_class_is_omap1()) {
@@ -230,12 +232,17 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
return 0;
}
- switch (params_channels(params)) {
+ channels = params_channels(params);
+ switch (channels) {
case 2:
- /* Set 1 word per (McBPSP) frame and use dual-phase frames */
- regs->rcr2 |= RFRLEN2(1 - 1) | RPHASE;
+ /* Use dual-phase frames */
+ regs->rcr2 |= RPHASE;
+ regs->xcr2 |= XPHASE;
+ case 1:
+ /* Set 1 word per (McBSP) frame */
+ regs->rcr2 |= RFRLEN2(1 - 1);
regs->rcr1 |= RFRLEN1(1 - 1);
- regs->xcr2 |= XFRLEN2(1 - 1) | XPHASE;
+ regs->xcr2 |= XFRLEN2(1 - 1);
regs->xcr1 |= XFRLEN1(1 - 1);
break;
default:
@@ -263,9 +270,9 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
regs->srgr2 |= FPER(wlen * 2 - 1);
regs->srgr1 |= FWID(wlen - 1);
break;
- case SND_SOC_DAIFMT_DSP_A:
- regs->srgr2 |= FPER(wlen * 2 - 1);
- regs->srgr1 |= FWID(wlen * 2 - 2);
+ case SND_SOC_DAIFMT_DSP_B:
+ regs->srgr2 |= FPER(wlen * channels - 1);
+ regs->srgr1 |= FWID(wlen * channels - 2);
break;
}
@@ -302,7 +309,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
regs->rcr2 |= RDATDLY(1);
regs->xcr2 |= XDATDLY(1);
break;
- case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
/* 0-bit data delay */
regs->rcr2 |= RDATDLY(0);
regs->xcr2 |= XDATDLY(0);
@@ -452,17 +459,16 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
#define OMAP_MCBSP_DAI_BUILDER(link_id) \
{ \
- .name = "omap-mcbsp-dai-(link_id)", \
+ .name = "omap-mcbsp-dai-"#link_id, \
.id = (link_id), \
- .type = SND_SOC_DAI_I2S, \
.playback = { \
- .channels_min = 2, \
+ .channels_min = 1, \
.channels_max = 2, \
.rates = OMAP_MCBSP_RATES, \
.formats = SNDRV_PCM_FMTBIT_S16_LE, \
}, \
.capture = { \
- .channels_min = 2, \
+ .channels_min = 1, \
.channels_max = 2, \
.rates = OMAP_MCBSP_RATES, \
.formats = SNDRV_PCM_FMTBIT_S16_LE, \
@@ -472,8 +478,6 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
.shutdown = omap_mcbsp_dai_shutdown, \
.trigger = omap_mcbsp_dai_trigger, \
.hw_params = omap_mcbsp_dai_hw_params, \
- }, \
- .dai_ops = { \
.set_fmt = omap_mcbsp_dai_set_dai_fmt, \
.set_clkdiv = omap_mcbsp_dai_set_clkdiv, \
.set_sysclk = omap_mcbsp_dai_set_dai_sysclk, \
@@ -495,6 +499,19 @@ struct snd_soc_dai omap_mcbsp_dai[] = {
EXPORT_SYMBOL_GPL(omap_mcbsp_dai);
+static int __init snd_omap_mcbsp_init(void)
+{
+ return snd_soc_register_dais(omap_mcbsp_dai,
+ ARRAY_SIZE(omap_mcbsp_dai));
+}
+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));
+}
+module_exit(snd_omap_mcbsp_exit);
+
MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
MODULE_DESCRIPTION("OMAP I2S SoC Interface");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 04:46:09 +0000