[PATCH 01/14] ASoC: mediatek: common: modify mtk afe common driver for mt8196

[Darren.Ye <darren.ye@mediatek.com>]

From: Darren Ye <darren.ye@mediatek.com>

Export register read and write interface, add sample reate interface, and
update the mtk_memif_set_channel interface for the mt8196 platform.

Signed-off-by: Darren Ye <darren.ye@mediatek.com>
---
 sound/soc/mediatek/common/mtk-afe-fe-dai.c | 30 ++++++++++++++--------
 sound/soc/mediatek/common/mtk-afe-fe-dai.h |  6 +++++
 sound/soc/mediatek/common/mtk-base-afe.h   | 13 ++++++++++
 3 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.c b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
index 3809068f5620..c36dae520f04 100644
--- a/sound/soc/mediatek/common/mtk-afe-fe-dai.c
+++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
@@ -18,7 +18,7 @@
 
 #define AFE_BASE_END_OFFSET 8
 
-static int mtk_regmap_update_bits(struct regmap *map, int reg,
+int mtk_regmap_update_bits(struct regmap *map, int reg,
 			   unsigned int mask,
 			   unsigned int val, int shift)
 {
@@ -26,13 +26,16 @@ static int mtk_regmap_update_bits(struct regmap *map, int reg,
 		return 0;
 	return regmap_update_bits(map, reg, mask << shift, val << shift);
 }
+EXPORT_SYMBOL(mtk_regmap_update_bits);
+
+int mtk_regmap_write(struct regmap *map, int reg, unsigned int val)
 
-static int mtk_regmap_write(struct regmap *map, int reg, unsigned int val)
 {
 	if (reg < 0)
 		return 0;
 	return regmap_write(map, reg, val);
 }
+EXPORT_SYMBOL(mtk_regmap_write);
 
 int mtk_afe_fe_startup(struct snd_pcm_substream *substream,
 		       struct snd_soc_dai *dai)
@@ -459,8 +462,12 @@ int mtk_memif_set_channel(struct mtk_base_afe *afe,
 	struct mtk_base_afe_memif *memif = &afe->memif[id];
 	unsigned int mono;
 
-	if (memif->data->mono_shift < 0)
-		return 0;
+	dev_info(afe->dev, "%s(), id: %d, channel: %d\n", __func__, id, channel);
+	mono = memif->data->mono_invert ^ (channel == 1);
+
+	if (memif->data->mono_shift > 0)
+		mtk_regmap_update_bits(afe->regmap, memif->data->mono_reg,
+				       0x1, mono, memif->data->mono_shift);
 
 	if (memif->data->quad_ch_mask) {
 		unsigned int quad_ch = (channel == 4) ? 1 : 0;
@@ -470,11 +477,6 @@ int mtk_memif_set_channel(struct mtk_base_afe *afe,
 				       quad_ch, memif->data->quad_ch_shift);
 	}
 
-	if (memif->data->mono_invert)
-		mono = (channel == 1) ? 0 : 1;
-	else
-		mono = (channel == 1) ? 1 : 0;
-
 	/* for specific configuration of memif mono mode */
 	if (memif->data->int_odd_flag_reg)
 		mtk_regmap_update_bits(afe->regmap,
@@ -482,8 +484,14 @@ int mtk_memif_set_channel(struct mtk_base_afe *afe,
 				       1, mono,
 				       memif->data->int_odd_flag_shift);
 
-	return mtk_regmap_update_bits(afe->regmap, memif->data->mono_reg,
-				      1, mono, memif->data->mono_shift);
+	if (memif->data->ch_num_maskbit) {
+		dev_info(afe->dev, "%s(), set ch num id: %d, channel: %d\n", __func__, id, channel);
+		mtk_regmap_update_bits(afe->regmap, memif->data->ch_num_reg,
+				       memif->data->ch_num_maskbit,
+				       channel, memif->data->ch_num_shift);
+	}
+
+	return 0;
 }
 EXPORT_SYMBOL_GPL(mtk_memif_set_channel);
 
diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.h b/sound/soc/mediatek/common/mtk-afe-fe-dai.h
index b6d0f2b27e86..64b10ccba291 100644
--- a/sound/soc/mediatek/common/mtk-afe-fe-dai.h
+++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.h
@@ -12,7 +12,13 @@
 struct snd_soc_dai_ops;
 struct mtk_base_afe;
 struct mtk_base_afe_memif;
+struct mtk_base_irq_data;
 
+int mtk_regmap_update_bits(struct regmap *map, int reg,
+			   unsigned int mask, unsigned int val,
+			   int shift);
+int mtk_regmap_write(struct regmap *map, int reg,
+		     unsigned int val);
 int mtk_afe_fe_startup(struct snd_pcm_substream *substream,
 		       struct snd_soc_dai *dai);
 void mtk_afe_fe_shutdown(struct snd_pcm_substream *substream,
diff --git a/sound/soc/mediatek/common/mtk-base-afe.h b/sound/soc/mediatek/common/mtk-base-afe.h
index f51578b6c50a..01c27fe92e2f 100644
--- a/sound/soc/mediatek/common/mtk-base-afe.h
+++ b/sound/soc/mediatek/common/mtk-base-afe.h
@@ -53,9 +53,11 @@ struct mtk_base_memif_data {
 	int enable_reg;
 	int enable_shift;
 	int hd_reg;
+	int hd_mask;
 	int hd_shift;
 	int hd_align_reg;
 	int hd_align_mshift;
+	int hd_msb_shift;
 	int msb_reg;
 	int msb_shift;
 	int msb_end_reg;
@@ -65,6 +67,10 @@ struct mtk_base_memif_data {
 	int ch_num_reg;
 	int ch_num_shift;
 	int ch_num_maskbit;
+	/* VUL 24~26 only for CM2 */
+	int out_on_use_reg;
+	int out_on_use_mask;
+	int out_on_use_shift;
 	/* playback memif only */
 	int pbuf_reg;
 	int pbuf_mask;
@@ -72,6 +78,9 @@ struct mtk_base_memif_data {
 	int minlen_reg;
 	int minlen_mask;
 	int minlen_shift;
+	int maxlen_reg;
+	int maxlen_mask;
+	int maxlen_shift;
 };
 
 struct mtk_base_irq_data {
@@ -87,6 +96,10 @@ struct mtk_base_irq_data {
 	int irq_clr_reg;
 	int irq_clr_shift;
 	int irq_status_shift;
+	int irq_ap_en_reg;
+	int irq_ap_en_shift;
+	int irq_scp_en_reg;
+	int irq_scp_en_shift;
 };
 
 struct device;
-- 
2.45.2