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| author | Jassi Brar <jassi.brar@samsung.com> | 2010-03-10 07:48:58 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-10 18:48:18 (GMT) |
| commit | 9c9b125736db934b98aa7e16b675767ed4fcf5ce (patch) | |
| tree | 8015b01db36b7357405fb91339102c5977a65f27 /sound/soc/s3c24xx | |
| parent | bf3288260288160e22f85bbf00b281523c14b587 (diff) | |
| download | linux-9c9b125736db934b98aa7e16b675767ed4fcf5ce.tar.xz | |
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.c | 18 | ||||
| -rw-r--r-- | sound/soc/s3c24xx/s3c2412-i2s.c | 37 |
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 = { |