[PATCH v5, 14/32] drm/mediatek: add ddp component CCORR

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From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>

This patch add ddp component CCORR

Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 32 +++++++++++++++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  2 ++
 2 files changed, 34 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index d1afa06..b18bd66 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -33,6 +33,12 @@
 #define DISP_AAL_EN				0x0000
 #define DISP_AAL_SIZE				0x0030
 
+#define DISP_CCORR_EN				0x0000
+#define CCORR_EN				BIT(0)
+#define DISP_CCORR_CFG				0x0020
+#define CCORR_RELAY_MODE			BIT(0)
+#define DISP_CCORR_SIZE				0x0030
+
 #define DISP_GAMMA_EN				0x0000
 #define DISP_GAMMA_CFG				0x0020
 #define DISP_GAMMA_SIZE				0x0030
@@ -123,6 +129,24 @@ static void mtk_aal_stop(struct mtk_ddp_comp *comp)
 	writel_relaxed(0x0, comp->regs + DISP_AAL_EN);
 }
 
+static void mtk_ccorr_config(struct mtk_ddp_comp *comp, unsigned int w,
+			     unsigned int h, unsigned int vrefresh,
+			     unsigned int bpc)
+{
+	writel(h << 16 | w, comp->regs + DISP_CCORR_SIZE);
+	writel(CCORR_RELAY_MODE, comp->regs + DISP_CCORR_CFG);
+}
+
+static void mtk_ccorr_start(struct mtk_ddp_comp *comp)
+{
+	writel(CCORR_EN, comp->regs + DISP_CCORR_EN);
+}
+
+static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
+{
+	writel_relaxed(0x0, comp->regs + DISP_CCORR_EN);
+}
+
 static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
 			     unsigned int h, unsigned int vrefresh,
 			     unsigned int bpc)
@@ -171,6 +195,12 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
 	.stop = mtk_aal_stop,
 };
 
+static const struct mtk_ddp_comp_funcs ddp_ccorr = {
+	.config = mtk_ccorr_config,
+	.start = mtk_ccorr_start,
+	.stop = mtk_ccorr_stop,
+};
+
 static const struct mtk_ddp_comp_funcs ddp_gamma = {
 	.gamma_set = mtk_gamma_set,
 	.config = mtk_gamma_config,
@@ -192,6 +222,7 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
 	[MTK_DISP_RDMA] = "rdma",
 	[MTK_DISP_WDMA] = "wdma",
 	[MTK_DISP_COLOR] = "color",
+	[MTK_DISP_CCORR] = "ccorr",
 	[MTK_DISP_AAL] = "aal",
 	[MTK_DISP_GAMMA] = "gamma",
 	[MTK_DISP_UFOE] = "ufoe",
@@ -213,6 +244,7 @@ struct mtk_ddp_comp_match {
 	[DDP_COMPONENT_AAL0]	= { MTK_DISP_AAL,	0, &ddp_aal },
 	[DDP_COMPONENT_AAL1]	= { MTK_DISP_AAL,	1, &ddp_aal },
 	[DDP_COMPONENT_BLS]	= { MTK_DISP_BLS,	0, NULL },
+	[DDP_COMPONENT_CCORR]	= { MTK_DISP_CCORR,	0, &ddp_ccorr },
 	[DDP_COMPONENT_COLOR0]	= { MTK_DISP_COLOR,	0, NULL },
 	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, NULL },
 	[DDP_COMPONENT_DPI0]	= { MTK_DPI,		0, NULL },
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 108de60..8d220224 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -20,6 +20,7 @@ enum mtk_ddp_comp_type {
 	MTK_DISP_RDMA,
 	MTK_DISP_WDMA,
 	MTK_DISP_COLOR,
+	MTK_DISP_CCORR,
 	MTK_DISP_AAL,
 	MTK_DISP_GAMMA,
 	MTK_DISP_UFOE,
@@ -36,6 +37,7 @@ enum mtk_ddp_comp_id {
 	DDP_COMPONENT_AAL0,
 	DDP_COMPONENT_AAL1,
 	DDP_COMPONENT_BLS,
+	DDP_COMPONENT_CCORR,
 	DDP_COMPONENT_COLOR0,
 	DDP_COMPONENT_COLOR1,
 	DDP_COMPONENT_DPI0,
-- 
1.8.1.1.dirty

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