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From:   Hsin-Yi Wang <hsinyi@chromium.org>
To:     linux-kernel@vger.kernel.org
Cc:     matthias.bgg@gmail.com, drinkcat@chromium.org,
        weiyi.lu@mediatek.com, ck.hu@mediatek.com,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, enric.balletbo@collabora.com
Subject: [PATCH] soc: mediatek: mmsys: Add mt8183 mmsys routing table
Date:   Tue, 23 Mar 2021 13:51:43 +0800
Message-Id: <20210323055143.607529-1-hsinyi@chromium.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

mt8183 has different routing registers than mt8173.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
---
This patch is based on series ("soc: mediatek: Prepare MMSYS for DDP routing using tables")[1]
and tested with mt8183 krand and mt8183 juniper device.
The register value is referenced from [2].

[1] https://patchwork.kernel.org/project/linux-mediatek/cover/20210317181711.795245-1-enric.balletbo@collabora.com/
[2] https://patchwork.kernel.org/project/linux-mediatek/patch/1609815993-22744-6-git-send-email-yongqiang.niu@mediatek.com/
---
 drivers/soc/mediatek/mtk-mmsys.c |  2 ++
 drivers/soc/mediatek/mtk-mmsys.h | 47 ++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index c46d8ab8b0c2..16bb55b0463a 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -40,6 +40,8 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 
 static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
 	.clk_driver = "clk-mt8183-mm",
+	.routes = mmsys_mt8183_routing_table,
+	.num_routes = ARRAY_SIZE(mmsys_mt8183_routing_table),
 };
 
 struct mtk_mmsys {
diff --git a/drivers/soc/mediatek/mtk-mmsys.h b/drivers/soc/mediatek/mtk-mmsys.h
index a760a34e6eca..c55baf5932b8 100644
--- a/drivers/soc/mediatek/mtk-mmsys.h
+++ b/drivers/soc/mediatek/mtk-mmsys.h
@@ -66,6 +66,28 @@
 #define DPI_SEL_IN_BLS				0x0
 #define DSI_SEL_IN_RDMA				0x1
 
+#define MT8183_DISP_OVL0_MOUT_EN		0xf00
+#define MT8183_DISP_OVL0_2L_MOUT_EN		0xf04
+#define MT8183_DISP_OVL1_2L_MOUT_EN		0xf08
+#define MT8183_DISP_DITHER0_MOUT_EN		0xf0c
+#define MT8183_DISP_PATH0_SEL_IN		0xf24
+#define MT8183_DISP_DSI0_SEL_IN			0xf2c
+#define MT8183_DISP_DPI0_SEL_IN			0xf30
+#define MT8183_DISP_RDMA0_SOUT_SEL_IN		0xf50
+#define MT8183_DISP_RDMA1_SOUT_SEL_IN		0xf54
+
+#define MT8183_OVL0_MOUT_EN_OVL0_2L		BIT(4)
+#define MT8183_OVL0_2L_MOUT_EN_DISP_PATH0	BIT(0)
+#define MT8183_OVL1_2L_MOUT_EN_RDMA1		BIT(4)
+#define MT8183_DITHER0_MOUT_IN_DSI0		BIT(0)
+#define MT8183_DISP_PATH0_SEL_IN_OVL0_2L	0x1
+#define MT8183_DSI0_SEL_IN_RDMA0		0x1
+#define MT8183_DSI0_SEL_IN_RDMA1		0x3
+#define MT8183_DPI0_SEL_IN_RDMA0		0x1
+#define MT8183_DPI0_SEL_IN_RDMA1		0x2
+#define MT8183_RDMA0_SOUT_COLOR0		0x1
+#define MT8183_RDMA1_SOUT_DSI0			0x1
+
 struct mtk_mmsys_routes {
 	u32 from_comp;
 	u32 to_comp;
@@ -212,4 +234,29 @@ static const struct mtk_mmsys_routes mmsys_default_routing_table[] = {
 	}
 };
 
+static const struct mtk_mmsys_routes mmsys_mt8183_routing_table[] = {
+	{
+		DDP_COMPONENT_OVL0, DDP_COMPONENT_OVL_2L0,
+		MT8183_DISP_OVL0_MOUT_EN, MT8183_OVL0_MOUT_EN_OVL0_2L
+	}, {
+		DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
+		MT8183_DISP_OVL0_2L_MOUT_EN, MT8183_OVL0_2L_MOUT_EN_DISP_PATH0
+	}, {
+		DDP_COMPONENT_OVL_2L1, DDP_COMPONENT_RDMA1,
+		MT8183_DISP_OVL1_2L_MOUT_EN, MT8183_OVL1_2L_MOUT_EN_RDMA1
+	}, {
+		DDP_COMPONENT_DITHER, DDP_COMPONENT_DSI0,
+		MT8183_DISP_DITHER0_MOUT_EN, MT8183_DITHER0_MOUT_IN_DSI0
+	}, {
+		DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
+		MT8183_DISP_PATH0_SEL_IN, MT8183_DISP_PATH0_SEL_IN_OVL0_2L
+	}, {
+		DDP_COMPONENT_RDMA1, DDP_COMPONENT_DPI0,
+		MT8183_DISP_DPI0_SEL_IN, MT8183_DPI0_SEL_IN_RDMA1
+	}, {
+		DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0,
+		MT8183_DISP_RDMA0_SOUT_SEL_IN, MT8183_RDMA0_SOUT_COLOR0
+	}
+};
+
 #endif /* __SOC_MEDIATEK_MTK_MMSYS_H */
-- 
2.31.0.rc2.261.g7f71774620-goog