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ASoC: S3C: I2Sv2: Segregate hw_params callback

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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>
This commit is contained in:
Jassi Brar 2010-03-10 16:48:58 +09:00 committed by Mark Brown
parent bf32882602
commit 9c9b125736
2 changed files with 40 additions and 15 deletions
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18
sound/soc/s3c24xx/s3c-i2s-v2.c
View file

@ -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;

37
sound/soc/s3c24xx/s3c2412-i2s.c
View file

@ -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 = {