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authorJassi Brar <jassi.brar@samsung.com>2010-03-10 16:48:58 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-03-10 18:48:18 +0000
commit9c9b125736db934b98aa7e16b675767ed4fcf5ce (patch)
tree8015b01db36b7357405fb91339102c5977a65f27 /sound/soc/s3c24xx
parentbf3288260288160e22f85bbf00b281523c14b587 (diff)
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ASoC: S3C: I2Sv2: Segregate hw_params callback
Towards having build for multiple SoCs segregate hw_params callback for s3c2412 and s3c64xx. Since, all new SoCs have s3c64xx like register map, we keep that as default implementation if no SoC specific callback is already defined. Signed-off-by: Jassi Brar <jassi.brar@samsung.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/s3c24xx')
-rw-r--r--sound/soc/s3c24xx/s3c-i2s-v2.c18
-rw-r--r--sound/soc/s3c24xx/s3c2412-i2s.c37
2 files changed, 40 insertions, 15 deletions
diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c
index 667431c..c3fcb63 100644
--- a/sound/soc/s3c24xx/s3c-i2s-v2.c
+++ b/sound/soc/s3c24xx/s3c-i2s-v2.c
@@ -326,7 +326,7 @@ static int s3c2412_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
return 0;
}
-static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
+static int s3c_i2sv2_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *socdai)
{
@@ -346,18 +346,6 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
iismod = readl(i2s->regs + S3C2412_IISMOD);
pr_debug("%s: r: IISMOD: %x\n", __func__, iismod);
-#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S8:
- iismod |= S3C2412_IISMOD_8BIT;
- break;
- case SNDRV_PCM_FORMAT_S16_LE:
- iismod &= ~S3C2412_IISMOD_8BIT;
- break;
- }
-#endif
-
-#ifdef CONFIG_PLAT_S3C64XX
iismod &= ~S3C64XX_IISMOD_BLC_MASK;
/* Sample size */
switch (params_format(params)) {
@@ -370,7 +358,6 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
iismod |= S3C64XX_IISMOD_BLC_24BIT;
break;
}
-#endif
writel(iismod, i2s->regs + S3C2412_IISMOD);
pr_debug("%s: w: IISMOD: %x\n", __func__, iismod);
@@ -730,7 +717,8 @@ int s3c_i2sv2_register_dai(struct snd_soc_dai *dai)
struct snd_soc_dai_ops *ops = dai->ops;
ops->trigger = s3c2412_i2s_trigger;
- ops->hw_params = s3c2412_i2s_hw_params;
+ if (!ops->hw_params)
+ ops->hw_params = s3c_i2sv2_hw_params;
ops->set_fmt = s3c2412_i2s_set_fmt;
ops->set_clkdiv = s3c2412_i2s_set_clkdiv;
diff --git a/sound/soc/s3c24xx/s3c2412-i2s.c b/sound/soc/s3c24xx/s3c2412-i2s.c
index 359e593..a5b21f6 100644
--- a/sound/soc/s3c24xx/s3c2412-i2s.c
+++ b/sound/soc/s3c24xx/s3c2412-i2s.c
@@ -103,6 +103,10 @@ struct clk *s3c2412_get_iisclk(void)
}
EXPORT_SYMBOL_GPL(s3c2412_get_iisclk);
+static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
+{
+ return cpu_dai->private_data;
+}
static int s3c2412_i2s_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
@@ -142,6 +146,38 @@ static int s3c2412_i2s_probe(struct platform_device *pdev,
return 0;
}
+static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct s3c_i2sv2_info *i2s = to_info(cpu_dai);
+ u32 iismod;
+
+ pr_debug("Entered %s\n", __func__);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cpu_dai->dma_data = i2s->dma_playback;
+ else
+ cpu_dai->dma_data = i2s->dma_capture;
+
+ iismod = readl(i2s->regs + S3C2412_IISMOD);
+ pr_debug("%s: r: IISMOD: %x\n", __func__, iismod);
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S8:
+ iismod |= S3C2412_IISMOD_8BIT;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ iismod &= ~S3C2412_IISMOD_8BIT;
+ break;
+ }
+
+ writel(iismod, i2s->regs + S3C2412_IISMOD);
+ pr_debug("%s: w: IISMOD: %x\n", __func__, iismod);
+
+ return 0;
+}
+
#define S3C2412_I2S_RATES \
(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
@@ -149,6 +185,7 @@ static int s3c2412_i2s_probe(struct platform_device *pdev,
static struct snd_soc_dai_ops s3c2412_i2s_dai_ops = {
.set_sysclk = s3c2412_i2s_set_sysclk,
+ .hw_params = s3c2412_i2s_hw_params,
};
struct snd_soc_dai s3c2412_i2s_dai = {