diff options
Diffstat (limited to 'sound/soc/sh/ssi.c')
| -rw-r--r-- | sound/soc/sh/ssi.c | 105 |
1 files changed, 59 insertions, 46 deletions
diff --git a/sound/soc/sh/ssi.c b/sound/soc/sh/ssi.c index 3388bc3d62d..e889405ebd3 100644 --- a/sound/soc/sh/ssi.c +++ b/sound/soc/sh/ssi.c @@ -89,10 +89,10 @@ struct ssi_priv { * track usage of the SSI; it is simplex-only so prevent attempts of * concurrent playback + capture. FIXME: any locking required? */ -static int ssi_startup(struct snd_pcm_substream *substream) +static int ssi_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id]; + struct ssi_priv *ssi = &ssi_cpu_data[dai->id]; if (ssi->inuse) { pr_debug("ssi: already in use!\n"); return -EBUSY; @@ -101,18 +101,18 @@ static int ssi_startup(struct snd_pcm_substream *substream) return 0; } -static void ssi_shutdown(struct snd_pcm_substream *substream) +static void ssi_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id]; + struct ssi_priv *ssi = &ssi_cpu_data[dai->id]; ssi->inuse = 0; } -static int ssi_trigger(struct snd_pcm_substream *substream, int cmd) +static int ssi_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id]; + struct ssi_priv *ssi = &ssi_cpu_data[dai->id]; switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -129,10 +129,10 @@ static int ssi_trigger(struct snd_pcm_substream *substream, int cmd) } static int ssi_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 ssi_priv *ssi = &ssi_cpu_data[rtd->dai->cpu_dai->id]; + struct ssi_priv *ssi = &ssi_cpu_data[dai->id]; unsigned long ssicr = SSIREG(SSICR); unsigned int bits, channels, swl, recv, i; @@ -141,7 +141,7 @@ static int ssi_hw_params(struct snd_pcm_substream *substream, recv = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? 0 : 1; pr_debug("ssi_hw_params() enter\nssicr was %08lx\n", ssicr); - pr_debug("bits: %d channels: %d\n", bits, channels); + pr_debug("bits: %u channels: %u\n", bits, channels); ssicr &= ~(CR_TRMD | CR_CHNL_MASK | CR_DWL_MASK | CR_PDTA | CR_SWL_MASK); @@ -208,7 +208,7 @@ static int ssi_hw_params(struct snd_pcm_substream *substream, return 0; } -static int ssi_set_sysclk(struct snd_soc_cpu_dai *cpu_dai, int clk_id, +static int ssi_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, unsigned int freq, int dir) { struct ssi_priv *ssi = &ssi_cpu_data[cpu_dai->id]; @@ -222,7 +222,7 @@ static int ssi_set_sysclk(struct snd_soc_cpu_dai *cpu_dai, int clk_id, * This divider is used to generate the SSI_SCK (I2S bitclock) from the * clock at the HAC_BIT_CLK ("oversampling clock") pin. */ -static int ssi_set_clkdiv(struct snd_soc_cpu_dai *dai, int did, int div) +static int ssi_set_clkdiv(struct snd_soc_dai *dai, int did, int div) { struct ssi_priv *ssi = &ssi_cpu_data[dai->id]; unsigned long ssicr; @@ -245,7 +245,7 @@ static int ssi_set_clkdiv(struct snd_soc_cpu_dai *dai, int did, int div) return 0; } -static int ssi_set_fmt(struct snd_soc_cpu_dai *dai, unsigned int fmt) +static int ssi_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct ssi_priv *ssi = &ssi_cpu_data[dai->id]; unsigned long ssicr = SSIREG(SSICR); @@ -332,11 +332,19 @@ static int ssi_set_fmt(struct snd_soc_cpu_dai *dai, unsigned int fmt) SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3LE | \ SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_U32_LE) -struct snd_soc_cpu_dai sh4_ssi_dai[] = { +static const struct snd_soc_dai_ops ssi_dai_ops = { + .startup = ssi_startup, + .shutdown = ssi_shutdown, + .trigger = ssi_trigger, + .hw_params = ssi_hw_params, + .set_sysclk = ssi_set_sysclk, + .set_clkdiv = ssi_set_clkdiv, + .set_fmt = ssi_set_fmt, +}; + +static struct snd_soc_dai_driver sh4_ssi_dai[] = { { - .name = "SSI0", - .id = 0, - .type = SND_SOC_DAI_I2S, + .name = "ssi-dai.0", .playback = { .rates = SSI_RATES, .formats = SSI_FMTS, @@ -349,23 +357,11 @@ struct snd_soc_cpu_dai sh4_ssi_dai[] = { .channels_min = 2, .channels_max = 8, }, - .ops = { - .startup = ssi_startup, - .shutdown = ssi_shutdown, - .trigger = ssi_trigger, - .hw_params = ssi_hw_params, - }, - .dai_ops = { - .set_sysclk = ssi_set_sysclk, - .set_clkdiv = ssi_set_clkdiv, - .set_fmt = ssi_set_fmt, - }, + .ops = &ssi_dai_ops, }, #ifdef CONFIG_CPU_SUBTYPE_SH7760 { - .name = "SSI1", - .id = 1, - .type = SND_SOC_DAI_I2S, + .name = "ssi-dai.1", .playback = { .rates = SSI_RATES, .formats = SSI_FMTS, @@ -378,21 +374,38 @@ struct snd_soc_cpu_dai sh4_ssi_dai[] = { .channels_min = 2, .channels_max = 8, }, - .ops = { - .startup = ssi_startup, - .shutdown = ssi_shutdown, - .trigger = ssi_trigger, - .hw_params = ssi_hw_params, - }, - .dai_ops = { - .set_sysclk = ssi_set_sysclk, - .set_clkdiv = ssi_set_clkdiv, - .set_fmt = ssi_set_fmt, - }, + .ops = &ssi_dai_ops, }, #endif }; -EXPORT_SYMBOL_GPL(sh4_ssi_dai); + +static const struct snd_soc_component_driver sh4_ssi_component = { + .name = "sh4-ssi", +}; + +static int sh4_soc_dai_probe(struct platform_device *pdev) +{ + return snd_soc_register_component(&pdev->dev, &sh4_ssi_component, + sh4_ssi_dai, ARRAY_SIZE(sh4_ssi_dai)); +} + +static int sh4_soc_dai_remove(struct platform_device *pdev) +{ + snd_soc_unregister_component(&pdev->dev); + return 0; +} + +static struct platform_driver sh4_ssi_driver = { + .driver = { + .name = "sh4-ssi-dai", + .owner = THIS_MODULE, + }, + + .probe = sh4_soc_dai_probe, + .remove = sh4_soc_dai_remove, +}; + +module_platform_driver(sh4_ssi_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SuperH onchip SSI (I2S) audio driver"); |
