static int imx_ssi_hw_tx_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 stccr, stcr, sier;
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI1) {
stccr = SSI1_STCCR & ~SSI_STCCR_WL_MASK;
stcr = SSI1_STCR;
sier = SSI1_SIER;
} else {
stccr = SSI2_STCCR & ~SSI_STCCR_WL_MASK;
stcr = SSI2_STCR;
sier = SSI2_SIER;
}
/* DAI data (word) size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
stccr |= SSI_STCCR_WL(16);
break;
case SNDRV_PCM_FORMAT_S20_3LE:
stccr |= SSI_STCCR_WL(20);
break;
case SNDRV_PCM_FORMAT_S24_LE:
stccr |= SSI_STCCR_WL(24);
break;
}
/* enable interrupts */
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI2)
stcr |= SSI_STCR_TFEN0;
else
stcr |= SSI_STCR_TFEN1;
sier |= SSI_SIER_TDMAE | SSI_SIER_TIE | SSI_SIER_TUE0_EN;
if (cpu_dai->id == IMX_DAI_SSI0 || cpu_dai->id == IMX_DAI_SSI1) {
SSI1_STCR = stcr;
SSI1_STCCR = stccr;
SSI1_SIER = sier;
} else {
SSI2_STCR = stcr;
SSI2_STCCR = stccr;
SSI2_SIER = sier;
}
return 0;
}
static int imx_ssi_hw_tx_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *cpu_dai)
{
struct imx_ssi *priv = (struct imx_ssi *)cpu_dai->private_data;
void __iomem *ioaddr = priv->ioaddr;
u32 stccr, stcr, sier;
stccr = __raw_readl(ioaddr + SSI_STCCR) & ~SSI_STCCR_WL_MASK;
stcr = __raw_readl(ioaddr + SSI_STCR);
sier = __raw_readl(ioaddr + SSI_SIER);
/* DAI data (word) size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
stccr |= SSI_STCCR_WL(16);
break;
case SNDRV_PCM_FORMAT_S20_3LE:
stccr |= SSI_STCCR_WL(20);
break;
case SNDRV_PCM_FORMAT_S24_LE:
stccr |= SSI_STCCR_WL(24);
break;
}
/* enable interrupts */
if ((cpu_dai->id & 0x1) == 0)
stcr |= SSI_STCR_TFEN0;
else
stcr |= SSI_STCR_TFEN1;
sier |= SSI_SIER_TDMAE | SSI_SIER_TIE | SSI_SIER_TUE0_EN;
__raw_writel(stcr, ioaddr + SSI_STCR);
__raw_writel(stccr, ioaddr + SSI_STCCR);
__raw_writel(sier, ioaddr + SSI_SIER);
return 0;
}
