static int imx_ssi_hw_rx_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_link *pcm_link = substream->private_data;
struct snd_soc_dai *cpu_dai = pcm_link->cpu_dai;
u32 srccr, srcr, sier;
bool sync_mode;
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI1) {
sync_mode = ((SSI1_SCR & SSI_SCR_SYN) ? true : false);
srccr = sync_mode ? SSI1_STCCR : SSI1_SRCCR;
srcr = SSI1_SRCR;
sier = SSI1_SIER;
} else {
sync_mode = ((SSI2_SCR & SSI_SCR_SYN) ? true : false);
srccr = sync_mode ? SSI2_STCCR : SSI2_SRCCR;
srcr = SSI2_SRCR;
sier = SSI2_SIER;
}
srccr &= ~SSI_SRCCR_WL_MASK;
/* DAI data (word) size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
srccr |= SSI_SRCCR_WL(16);
break;
case SNDRV_PCM_FORMAT_S20_3LE:
srccr |= SSI_SRCCR_WL(20);
break;
case SNDRV_PCM_FORMAT_S24_LE:
srccr |= SSI_SRCCR_WL(24);
break;
}
/* enable interrupts */
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
srcr |= SSI_SRCR_RFEN0;
else
srcr |= SSI_SRCR_RFEN1;
sier |= SSI_SIER_RDMAE | SSI_SIER_RIE | SSI_SIER_ROE0_EN;
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI1) {
SSI1_SRCR = srcr;
if (sync_mode)
SSI1_STCCR = srccr;
else
SSI1_SRCCR = srccr;
SSI1_SIER = sier;
} else {
SSI2_SRCR = srcr;
if (sync_mode)
SSI2_STCCR = srccr;
else
SSI2_SRCCR = srccr;
SSI2_SIER = sier;
}
return 0;
}
static int imx_ssi_hw_rx_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *cpu_dai)
{
u32 srccr, srcr, sier;
struct imx_ssi *priv = (struct imx_ssi *)cpu_dai->private_data;
void __iomem *ioaddr = priv->ioaddr;
bool sync_mode = priv->sync_mode;
srccr =
sync_mode ? __raw_readl(ioaddr + SSI_STCCR) :
__raw_readl(ioaddr + SSI_SRCCR);
srcr = __raw_readl(ioaddr + SSI_SRCR);
sier = __raw_readl(ioaddr + SSI_SIER);
srccr &= ~SSI_SRCCR_WL_MASK;
/* DAI data (word) size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
srccr |= SSI_SRCCR_WL(16);
break;
case SNDRV_PCM_FORMAT_S20_3LE:
srccr |= SSI_SRCCR_WL(20);
break;
case SNDRV_PCM_FORMAT_S24_LE:
srccr |= SSI_SRCCR_WL(24);
break;
}
/* enable interrupts */
if ((cpu_dai->id & 0x1) == 0)
srcr |= SSI_SRCR_RFEN0;
else
srcr |= SSI_SRCR_RFEN1;
sier |= SSI_SIER_RDMAE | SSI_SIER_RIE | SSI_SIER_ROE0_EN;
__raw_writel(srcr, ioaddr + SSI_SRCR);
if (sync_mode)
__raw_writel(srccr, ioaddr + SSI_STCCR);
else
__raw_writel(srccr, ioaddr + SSI_SRCCR);
__raw_writel(sier, ioaddr + SSI_SIER);
return 0;
}
static int imx_ssi_hw_rx_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
u32 srccr, srcr, sier;
bool sync_mode;
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI1) {
sync_mode =
(__raw_readl(SSI1_SCR) & SSI_SCR_SYN) ? true : false;
srccr =
sync_mode ? __raw_readl(SSI1_STCCR) :
__raw_readl(SSI1_SRCCR);
srcr = __raw_readl(SSI1_SRCR);
sier = __raw_readl(SSI1_SIER);
} else {
sync_mode =
(__raw_readl(SSI2_SCR) & SSI_SCR_SYN) ? true : false;
srccr =
sync_mode ? __raw_readl(SSI2_STCCR) :
__raw_readl(SSI2_SRCCR);
srcr = __raw_readl(SSI2_SRCR);
sier = __raw_readl(SSI2_SIER);
}
srccr &= ~SSI_SRCCR_WL_MASK;
/* DAI data (word) size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
srccr |= SSI_SRCCR_WL(16);
break;
case SNDRV_PCM_FORMAT_S20_3LE:
srccr |= SSI_SRCCR_WL(20);
break;
case SNDRV_PCM_FORMAT_S24_LE:
srccr |= SSI_SRCCR_WL(24);
break;
}
/* enable interrupts */
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
srcr |= SSI_SRCR_RFEN0;
else
srcr |= SSI_SRCR_RFEN1;
sier |= SSI_SIER_RDMAE | SSI_SIER_RIE | SSI_SIER_ROE0_EN;
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI1) {
__raw_writel(srcr, SSI1_SRCR);
if (sync_mode)
__raw_writel(srccr, SSI1_STCCR);
else
__raw_writel(srccr, SSI1_SRCCR);
__raw_writel(sier, SSI1_SIER);
} else {
__raw_writel(srcr, SSI2_SRCR);
if (sync_mode)
__raw_writel(srccr, SSI2_STCCR);
else
__raw_writel(srccr, SSI2_SRCCR);
__raw_writel(sier, SSI2_SIER);
}
return 0;
}
