[PATCH v15 05/22] soc: mediatek: add mtk-mmsys config API for mt8195 vdosys1

[Nancy.Lin <nancy.lin@mediatek.com>]

Add mmsys config API. The config API is used for config mmsys reg.
Some mmsys regs need to be setting according to the HW engine binding
to the mmsys simultaneously.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/soc/mediatek/mt8195-mmsys.h    | 62 ++++++++++++++++++++++++++
 drivers/soc/mediatek/mtk-mmsys.c       | 34 ++++++++++++++
 drivers/soc/mediatek/mtk-mmsys.h       | 10 +++++
 include/linux/soc/mediatek/mtk-mmsys.h | 16 +++++++
 4 files changed, 122 insertions(+)

diff --git a/drivers/soc/mediatek/mt8195-mmsys.h b/drivers/soc/mediatek/mt8195-mmsys.h
index 369fb0aab56d..8b7adbd22919 100644
--- a/drivers/soc/mediatek/mt8195-mmsys.h
+++ b/drivers/soc/mediatek/mt8195-mmsys.h
@@ -139,6 +139,21 @@
 #define MT8195_VDO1_MIXER_SOUT_SEL_IN				0xf68
 #define MT8195_MIXER_SOUT_SEL_IN_FROM_DISP_MIXER			0
 
+#define MT8195_VDO1_MERGE0_ASYNC_CFG_WD	0xe30
+#define MT8195_VDO1_MERGE1_ASYNC_CFG_WD	0xe40
+#define MT8195_VDO1_MERGE2_ASYNC_CFG_WD	0xe50
+#define MT8195_VDO1_MERGE3_ASYNC_CFG_WD	0xe60
+#define MT8195_VDO1_HDRBE_ASYNC_CFG_WD	0xe70
+#define MT8195_VDO1_HDR_TOP_CFG		0xd00
+#define MT8195_VDO1_MIXER_IN1_ALPHA	0xd30
+#define MT8195_VDO1_MIXER_IN2_ALPHA	0xd34
+#define MT8195_VDO1_MIXER_IN3_ALPHA	0xd38
+#define MT8195_VDO1_MIXER_IN4_ALPHA	0xd3c
+#define MT8195_VDO1_MIXER_IN1_PAD	0xd40
+#define MT8195_VDO1_MIXER_IN2_PAD	0xd44
+#define MT8195_VDO1_MIXER_IN3_PAD	0xd48
+#define MT8195_VDO1_MIXER_IN4_PAD	0xd4c
+
 static const struct mtk_mmsys_routes mmsys_mt8195_routing_table[] = {
 	{
 		DDP_COMPONENT_OVL0, DDP_COMPONENT_RDMA0,
@@ -263,4 +278,51 @@ static const struct mtk_mmsys_routes mmsys_mt8195_routing_table[] = {
 	}
 };
 
+/*
+ * mtk_mmsys_config table is used for config mmsys reg in runtime.
+ * MMSYS_CONFIG_MERGE_ASYNC_WIDTH: config merge async width
+ * MMSYS_CONFIG_MERGE_ASYNC_HEIGHT: config merge async height
+ * MMSYS_CONFIG_HDR_BE_ASYNC_WIDTH: config hdr_be async width
+ * MMSYS_CONFIG_HDR_BE_ASYNC_HEIGHT: config hdr_be async height
+ * MMSYS_CONFIG_MIXER_IN_ALPHA_ODD: config mixer odd channel 9bit alpha value
+ * MMSYS_CONFIG_MIXER_IN_ALPHA_EVEN: config mixer even channel 9bit alpha value
+ * MMSYS_CONFIG_MIXER_IN_CH_SWAP: config mixer input RGB channel swap
+ * MMSYS_CONFIG_HDR_ALPHA_SEL: config alpha source
+ * MMSYS_CONFIG_MIXER_IN_MODE: config mixer pad mode(bypass/even extend mode)
+ * MMSYS_CONFIG_MIXER_IN_BIWIDTH: config mixer pad width. formula: width / 2 - 1
+ */
+static const struct mtk_mmsys_config mmsys_mt8195_config_table[] = {
+	{ MMSYS_CONFIG_MERGE_ASYNC_WIDTH, 0, MT8195_VDO1_MERGE0_ASYNC_CFG_WD, GENMASK(13, 0), 0},
+	{ MMSYS_CONFIG_MERGE_ASYNC_HEIGHT, 0, MT8195_VDO1_MERGE0_ASYNC_CFG_WD, GENMASK(29, 16), 16},
+	{ MMSYS_CONFIG_MERGE_ASYNC_WIDTH, 1, MT8195_VDO1_MERGE1_ASYNC_CFG_WD, GENMASK(13, 0), 0},
+	{ MMSYS_CONFIG_MERGE_ASYNC_HEIGHT, 1, MT8195_VDO1_MERGE1_ASYNC_CFG_WD, GENMASK(29, 16), 16},
+	{ MMSYS_CONFIG_MERGE_ASYNC_WIDTH, 2, MT8195_VDO1_MERGE2_ASYNC_CFG_WD, GENMASK(13, 0), 0},
+	{ MMSYS_CONFIG_MERGE_ASYNC_HEIGHT, 2, MT8195_VDO1_MERGE2_ASYNC_CFG_WD, GENMASK(29, 16), 16},
+	{ MMSYS_CONFIG_MERGE_ASYNC_WIDTH, 3, MT8195_VDO1_MERGE3_ASYNC_CFG_WD, GENMASK(13, 0), 0},
+	{ MMSYS_CONFIG_MERGE_ASYNC_HEIGHT, 3, MT8195_VDO1_MERGE3_ASYNC_CFG_WD, GENMASK(29, 16), 16},
+	{ MMSYS_CONFIG_HDR_BE_ASYNC_WIDTH, 0, MT8195_VDO1_HDRBE_ASYNC_CFG_WD, GENMASK(13, 0), 0},
+	{ MMSYS_CONFIG_HDR_BE_ASYNC_HEIGHT, 0, MT8195_VDO1_HDRBE_ASYNC_CFG_WD, GENMASK(29, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_ODD, 1, MT8195_VDO1_MIXER_IN1_ALPHA, GENMASK(8, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_EVEN, 1, MT8195_VDO1_MIXER_IN1_ALPHA, GENMASK(24, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_ODD, 2, MT8195_VDO1_MIXER_IN2_ALPHA, GENMASK(8, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_EVEN, 2, MT8195_VDO1_MIXER_IN2_ALPHA, GENMASK(24, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_ODD, 3, MT8195_VDO1_MIXER_IN3_ALPHA, GENMASK(8, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_EVEN, 3, MT8195_VDO1_MIXER_IN3_ALPHA, GENMASK(24, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_ODD, 4, MT8195_VDO1_MIXER_IN4_ALPHA, GENMASK(8, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_ALPHA_EVEN, 4, MT8195_VDO1_MIXER_IN4_ALPHA, GENMASK(24, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_CH_SWAP, 4, MT8195_VDO1_MIXER_IN4_PAD, GENMASK(4, 4), 4},
+	{ MMSYS_CONFIG_HDR_ALPHA_SEL, 1, MT8195_VDO1_HDR_TOP_CFG, GENMASK(20, 20), 20},
+	{ MMSYS_CONFIG_HDR_ALPHA_SEL, 2, MT8195_VDO1_HDR_TOP_CFG, GENMASK(21, 21), 21},
+	{ MMSYS_CONFIG_HDR_ALPHA_SEL, 3, MT8195_VDO1_HDR_TOP_CFG, GENMASK(22, 22), 22},
+	{ MMSYS_CONFIG_HDR_ALPHA_SEL, 4, MT8195_VDO1_HDR_TOP_CFG, GENMASK(23, 23), 23},
+	{ MMSYS_CONFIG_MIXER_IN_MODE, 1, MT8195_VDO1_MIXER_IN1_PAD, GENMASK(1, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_MODE, 2, MT8195_VDO1_MIXER_IN2_PAD, GENMASK(1, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_MODE, 3, MT8195_VDO1_MIXER_IN3_PAD, GENMASK(1, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_MODE, 4, MT8195_VDO1_MIXER_IN4_PAD, GENMASK(1, 0), 0},
+	{ MMSYS_CONFIG_MIXER_IN_BIWIDTH, 1, MT8195_VDO1_MIXER_IN1_PAD, GENMASK(31, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_BIWIDTH, 2, MT8195_VDO1_MIXER_IN2_PAD, GENMASK(31, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_BIWIDTH, 3, MT8195_VDO1_MIXER_IN3_PAD, GENMASK(31, 16), 16},
+	{ MMSYS_CONFIG_MIXER_IN_BIWIDTH, 4, MT8195_VDO1_MIXER_IN4_PAD, GENMASK(31, 16), 16},
+};
+
 #endif /* __SOC_MEDIATEK_MT8195_MMSYS_H */
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index 0b77624cf6ca..6dd68483012c 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -83,6 +83,8 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = {
 	.clk_driver = "clk-mt8195-vdo1",
 	.routes = mmsys_mt8195_routing_table,
 	.num_routes = ARRAY_SIZE(mmsys_mt8195_routing_table),
+	.config = mmsys_mt8195_config_table,
+	.num_configs = ARRAY_SIZE(mmsys_mt8195_config_table),
 };
 
 static const struct mtk_mmsys_driver_data mt8365_mmsys_driver_data = {
@@ -187,6 +189,38 @@ static const struct reset_control_ops mtk_mmsys_reset_ops = {
 	.reset = mtk_mmsys_reset,
 };
 
+void mtk_mmsys_ddp_config(struct device *dev, enum mtk_mmsys_config_type config,
+			  u32 id, u32 val)
+{
+	struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
+	const struct mtk_mmsys_config *mmsys_config = mmsys->data->config;
+	u32 reg_val;
+	u32 mask;
+	u32 offset;
+	int i;
+	u32 tmp;
+
+	if (!mmsys->data->num_configs)
+		return;
+
+	for (i = 0; i < mmsys->data->num_configs; i++)
+		if (config == mmsys_config[i].config && id == mmsys_config[i].id)
+			break;
+
+	if (i == mmsys->data->num_configs)
+		return;
+
+	offset = mmsys_config[i].addr;
+	mask = mmsys_config[i].mask;
+	reg_val = val << mmsys_config[i].shift;
+
+	tmp = readl(mmsys->regs + offset);
+
+	tmp = (tmp & ~mask) | reg_val;
+	writel(tmp, mmsys->regs + offset);
+}
+EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_config);
+
 static int mtk_mmsys_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
diff --git a/drivers/soc/mediatek/mtk-mmsys.h b/drivers/soc/mediatek/mtk-mmsys.h
index 77f37f8c715b..78c7069bac0e 100644
--- a/drivers/soc/mediatek/mtk-mmsys.h
+++ b/drivers/soc/mediatek/mtk-mmsys.h
@@ -86,11 +86,21 @@ struct mtk_mmsys_routes {
 	u32 val;
 };
 
+struct mtk_mmsys_config {
+	enum mtk_mmsys_config_type config;
+	u32 id;
+	u32 addr;
+	u32 mask;
+	u32 shift;
+};
+
 struct mtk_mmsys_driver_data {
 	const char *clk_driver;
 	const struct mtk_mmsys_routes *routes;
 	const unsigned int num_routes;
 	const u16 sw0_rst_offset;
+	const struct mtk_mmsys_config *config;
+	const unsigned int num_configs;
 };
 
 /*
diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
index eaf7f7345519..b2d2310d7e7a 100644
--- a/include/linux/soc/mediatek/mtk-mmsys.h
+++ b/include/linux/soc/mediatek/mtk-mmsys.h
@@ -56,6 +56,19 @@ enum mtk_ddp_comp_id {
 	DDP_COMPONENT_ID_MAX,
 };
 
+enum mtk_mmsys_config_type {
+	MMSYS_CONFIG_MERGE_ASYNC_WIDTH,
+	MMSYS_CONFIG_MERGE_ASYNC_HEIGHT,
+	MMSYS_CONFIG_HDR_BE_ASYNC_WIDTH,
+	MMSYS_CONFIG_HDR_BE_ASYNC_HEIGHT,
+	MMSYS_CONFIG_HDR_ALPHA_SEL,
+	MMSYS_CONFIG_MIXER_IN_ALPHA_ODD,
+	MMSYS_CONFIG_MIXER_IN_ALPHA_EVEN,
+	MMSYS_CONFIG_MIXER_IN_CH_SWAP,
+	MMSYS_CONFIG_MIXER_IN_MODE,
+	MMSYS_CONFIG_MIXER_IN_BIWIDTH,
+};
+
 void mtk_mmsys_ddp_connect(struct device *dev,
 			   enum mtk_ddp_comp_id cur,
 			   enum mtk_ddp_comp_id next);
@@ -64,4 +77,7 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
 			      enum mtk_ddp_comp_id cur,
 			      enum mtk_ddp_comp_id next);
 
+void mtk_mmsys_ddp_config(struct device *dev, enum mtk_mmsys_config_type config,
+			  u32 id, u32 val);
+
 #endif /* __MTK_MMSYS_H */
-- 
2.18.0


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