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Diffstat (limited to 'sound/soc/s3c24xx/s3c64xx-i2s.c')
-rw-r--r--sound/soc/s3c24xx/s3c64xx-i2s.c120
1 files changed, 41 insertions, 79 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c
index cc7edb5..93ed3aa 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s.c
+++ b/sound/soc/s3c24xx/s3c64xx-i2s.c
@@ -15,16 +15,10 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
-#include <linux/delay.h>
#include <linux/clk.h>
-#include <linux/kernel.h>
#include <linux/gpio.h>
#include <linux/io.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
#include <sound/soc.h>
#include <plat/regs-s3c2412-iis.h>
@@ -38,6 +32,11 @@
#include "s3c-dma.h"
#include "s3c64xx-i2s.h"
+/* The value should be set to maximum of the total number
+ * of I2Sv3 controllers that any supported SoC has.
+ */
+#define MAX_I2SV3 2
+
static struct s3c2410_dma_client s3c64xx_dma_client_out = {
.name = "I2S PCM Stereo out"
};
@@ -46,37 +45,12 @@ static struct s3c2410_dma_client s3c64xx_dma_client_in = {
.name = "I2S PCM Stereo in"
};
-static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_out[2] = {
- [0] = {
- .channel = DMACH_I2S0_OUT,
- .client = &s3c64xx_dma_client_out,
- .dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISTXD,
- .dma_size = 4,
- },
- [1] = {
- .channel = DMACH_I2S1_OUT,
- .client = &s3c64xx_dma_client_out,
- .dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISTXD,
- .dma_size = 4,
- },
-};
-
-static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_in[2] = {
- [0] = {
- .channel = DMACH_I2S0_IN,
- .client = &s3c64xx_dma_client_in,
- .dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISRXD,
- .dma_size = 4,
- },
- [1] = {
- .channel = DMACH_I2S1_IN,
- .client = &s3c64xx_dma_client_in,
- .dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISRXD,
- .dma_size = 4,
- },
-};
+static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_out[MAX_I2SV3];
+static struct s3c_dma_params s3c64xx_i2s_pcm_stereo_in[MAX_I2SV3];
+static struct s3c_i2sv2_info s3c64xx_i2s[MAX_I2SV3];
-static struct s3c_i2sv2_info s3c64xx_i2s[2];
+struct snd_soc_dai s3c64xx_i2s_dai[MAX_I2SV3];
+EXPORT_SYMBOL_GPL(s3c64xx_i2s_dai);
static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
{
@@ -169,55 +143,13 @@ static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops = {
.set_sysclk = s3c64xx_i2s_set_sysclk,
};
-struct snd_soc_dai s3c64xx_i2s_dai[] = {
- {
- .name = "s3c64xx-i2s",
- .id = 0,
- .probe = s3c64xx_i2s_probe,
- .playback = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .capture = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .ops = &s3c64xx_i2s_dai_ops,
- .symmetric_rates = 1,
- },
- {
- .name = "s3c64xx-i2s",
- .id = 1,
- .probe = s3c64xx_i2s_probe,
- .playback = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .capture = {
- .channels_min = 2,
- .channels_max = 2,
- .rates = S3C64XX_I2S_RATES,
- .formats = S3C64XX_I2S_FMTS,
- },
- .ops = &s3c64xx_i2s_dai_ops,
- .symmetric_rates = 1,
- },
-};
-EXPORT_SYMBOL_GPL(s3c64xx_i2s_dai);
-
static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev)
{
struct s3c_i2sv2_info *i2s;
struct snd_soc_dai *dai;
int ret;
- if (pdev->id >= ARRAY_SIZE(s3c64xx_i2s)) {
+ if (pdev->id >= MAX_I2SV3) {
dev_err(&pdev->dev, "id %d out of range\n", pdev->id);
return -EINVAL;
}
@@ -225,10 +157,40 @@ static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev)
i2s = &s3c64xx_i2s[pdev->id];
dai = &s3c64xx_i2s_dai[pdev->id];
dai->dev = &pdev->dev;
+ dai->name = "s3c64xx-i2s";
+ dai->id = pdev->id;
+ dai->symmetric_rates = 1;
+ dai->playback.channels_min = 2;
+ dai->playback.channels_max = 2;
+ dai->playback.rates = S3C64XX_I2S_RATES;
+ dai->playback.formats = S3C64XX_I2S_FMTS;
+ dai->capture.channels_min = 2;
+ dai->capture.channels_max = 2;
+ dai->capture.rates = S3C64XX_I2S_RATES;
+ dai->capture.formats = S3C64XX_I2S_FMTS;
+ dai->probe = s3c64xx_i2s_probe;
+ dai->ops = &s3c64xx_i2s_dai_ops;
i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id];
i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id];
+ if (pdev->id == 0) {
+ i2s->dma_capture->channel = DMACH_I2S0_IN;
+ i2s->dma_capture->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISRXD;
+ i2s->dma_playback->channel = DMACH_I2S0_OUT;
+ i2s->dma_playback->dma_addr = S3C64XX_PA_IIS0 + S3C2412_IISTXD;
+ } else {
+ i2s->dma_capture->channel = DMACH_I2S1_IN;
+ i2s->dma_capture->dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISRXD;
+ i2s->dma_playback->channel = DMACH_I2S1_OUT;
+ i2s->dma_playback->dma_addr = S3C64XX_PA_IIS1 + S3C2412_IISTXD;
+ }
+
+ i2s->dma_capture->client = &s3c64xx_dma_client_in;
+ i2s->dma_capture->dma_size = 4;
+ i2s->dma_playback->client = &s3c64xx_dma_client_out;
+ i2s->dma_playback->dma_size = 4;
+
i2s->iis_cclk = clk_get(&pdev->dev, "audio-bus");
if (IS_ERR(i2s->iis_cclk)) {
dev_err(&pdev->dev, "failed to get audio-bus\n");
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