[PATCH 03/13] ASoC: amd: acp: add i2s clock generation support for acp6.3 based platforms

From: Syed Saba Kareem
Date: Sat Oct 21 2023 - 10:51:51 EST


Add I2S LRCLK & BCLK generation code for ACP6.3 based platforms.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@xxxxxxx>
---
sound/soc/amd/acp/acp-i2s.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index 59d3a499771a..1185e5aac523 100644
--- a/sound/soc/amd/acp/acp-i2s.c
+++ b/sound/soc/amd/acp/acp-i2s.c
@@ -27,14 +27,19 @@
#define DRV_NAME "acp_i2s_playcap"
#define I2S_MASTER_MODE_ENABLE 1
#define I2S_MODE_ENABLE 0
-#define I2S_FORMAT_MODE GENMASK(1, 1)
#define LRCLK_DIV_FIELD GENMASK(10, 2)
#define BCLK_DIV_FIELD GENMASK(23, 11)
+#define ACP63_LRCLK_DIV_FIELD GENMASK(12, 2)
+#define ACP63_BCLK_DIV_FIELD GENMASK(23, 13)

static inline void acp_set_i2s_clk(struct acp_dev_data *adata, int dai_id)
{
u32 i2s_clk_reg, val;
+ struct acp_chip_info *chip;
+ struct device *dev;

+ dev = adata->dev;
+ chip = dev_get_platdata(dev);
switch (dai_id) {
case I2S_SP_INSTANCE:
i2s_clk_reg = ACP_I2STDM0_MSTRCLKGEN;
@@ -52,8 +57,16 @@ static inline void acp_set_i2s_clk(struct acp_dev_data *adata, int dai_id)

val = I2S_MASTER_MODE_ENABLE;
val |= I2S_MODE_ENABLE & BIT(1);
- val |= FIELD_PREP(LRCLK_DIV_FIELD, adata->lrclk_div);
- val |= FIELD_PREP(BCLK_DIV_FIELD, adata->bclk_div);
+
+ switch (chip->acp_rev) {
+ case ACP63_DEV:
+ val |= FIELD_PREP(ACP63_LRCLK_DIV_FIELD, adata->lrclk_div);
+ val |= FIELD_PREP(ACP63_BCLK_DIV_FIELD, adata->bclk_div);
+ break;
+ default:
+ val |= FIELD_PREP(LRCLK_DIV_FIELD, adata->lrclk_div);
+ val |= FIELD_PREP(BCLK_DIV_FIELD, adata->bclk_div);
+ }
writel(val, adata->acp_base + i2s_clk_reg);
}

--
2.25.1