diff mbox series

[RESEND,v12,4/6] ASoC: amd: add ACP3x TDM mode support

Message ID 1574415866-29715-5-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com (mailing list archive)
State New, archived
Headers show
Series [RESEND,v12,1/6] ASoC: amd:Create multiple I2S platform device endpoint | expand

Commit Message

RAVULAPATI, VISHNU VARDHAN RAO Nov. 22, 2019, 9:44 a.m. UTC
ACP3x I2S (CPU DAI) can act in normal I2S and TDM modes. Added support
for TDM mode. Desired mode can be selected from ASoC machine driver.

Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com>
---
 sound/soc/amd/raven/acp3x-i2s.c | 24 ++++++++++++++++++++----
 sound/soc/amd/raven/acp3x.h     |  1 +
 2 files changed, 21 insertions(+), 4 deletions(-)

Comments

Agrawal, Akshu Dec. 3, 2019, 10:31 a.m. UTC | #1
On 11/22/2019 3:14 PM, Ravulapati Vishnu vardhan rao wrote:
> ACP3x I2S (CPU DAI) can act in normal I2S and TDM modes. Added support
> for TDM mode. Desired mode can be selected from ASoC machine driver.
>
> Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com>
> ---
>   sound/soc/amd/raven/acp3x-i2s.c | 24 ++++++++++++++++++++----
>   sound/soc/amd/raven/acp3x.h     |  1 +
>   2 files changed, 21 insertions(+), 4 deletions(-)
>
> diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c
> index 7f05782..cea7311 100644
> --- a/sound/soc/amd/raven/acp3x-i2s.c
> +++ b/sound/soc/amd/raven/acp3x-i2s.c
> @@ -70,11 +70,27 @@ static int acp3x_i2s_set_tdm_slot(struct snd_soc_dai *cpu_dai,
>   
>   	frm_len = FRM_LEN | (slots << 15) | (slot_len << 18);
>   	if (adata->substream_type == SNDRV_PCM_STREAM_PLAYBACK) {
> -		reg_val = mmACP_BTTDM_ITER;
> -		frmt_val = mmACP_BTTDM_TXFRMT;
> +		switch (adata->i2s_instance) {
> +		case I2S_BT_INSTANCE:
> +			reg_val = mmACP_BTTDM_ITER;
> +			frmt_reg = mmACP_BTTDM_TXFRMT;

Patch 2 of this series declares frmt_val, frmt_reg should cause build 
errors.

Thanks,

Akshu
diff mbox series

Patch

diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c
index 7f05782..cea7311 100644
--- a/sound/soc/amd/raven/acp3x-i2s.c
+++ b/sound/soc/amd/raven/acp3x-i2s.c
@@ -70,11 +70,27 @@  static int acp3x_i2s_set_tdm_slot(struct snd_soc_dai *cpu_dai,
 
 	frm_len = FRM_LEN | (slots << 15) | (slot_len << 18);
 	if (adata->substream_type == SNDRV_PCM_STREAM_PLAYBACK) {
-		reg_val = mmACP_BTTDM_ITER;
-		frmt_val = mmACP_BTTDM_TXFRMT;
+		switch (adata->i2s_instance) {
+		case I2S_BT_INSTANCE:
+			reg_val = mmACP_BTTDM_ITER;
+			frmt_reg = mmACP_BTTDM_TXFRMT;
+			break;
+		case I2S_SP_INSTANCE:
+		default:
+			reg_val = mmACP_I2STDM_ITER;
+			frmt_reg = mmACP_I2STDM_TXFRMT;
+		}
 	} else {
-		reg_val = mmACP_BTTDM_IRER;
-		frmt_val = mmACP_BTTDM_RXFRMT;
+		switch (adata->i2s_instance) {
+		case I2S_BT_INSTANCE:
+			reg_val = mmACP_BTTDM_IRER;
+			frmt_reg = mmACP_BTTDM_RXFRMT;
+			break;
+		case I2S_SP_INSTANCE:
+		default:
+			reg_val = mmACP_I2STDM_IRER;
+			frmt_reg = mmACP_I2STDM_RXFRMT;
+		}
 	}
 	val = rv_readl(adata->acp3x_base + reg_val);
 	rv_writel(val | 0x2, adata->acp3x_base + reg_val);
diff --git a/sound/soc/amd/raven/acp3x.h b/sound/soc/amd/raven/acp3x.h
index ed1acbc..3c28644 100644
--- a/sound/soc/amd/raven/acp3x.h
+++ b/sound/soc/amd/raven/acp3x.h
@@ -78,6 +78,7 @@  struct acp3x_platform_info {
 struct i2s_dev_data {
 	bool tdm_mode;
 	unsigned int i2s_irq;
+	u16 i2s_instance;
 	u32 tdm_fmt;
 	u32 substream_type;
 	void __iomem *acp3x_base;