linux-kernel - [PATCH v9, 10/11] drm/mediatek: add DDP support for MT8183

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Message-ID: <1609989081-29353-11-git-send-email-yongqiang.niu@mediatek.com>
Date:   Thu, 7 Jan 2021 11:11:20 +0800
From:   Yongqiang Niu <yongqiang.niu@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: [PATCH v9, 10/11] drm/mediatek: add DDP support for MT8183

Add DDP support for MT8167 SoC.

Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 48 ++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index 1f99db6..1308046 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -15,6 +15,8 @@
 
 #define MT2701_DISP_MUTEX0_MOD0			0x2c
 #define MT2701_DISP_MUTEX0_SOF0			0x30
+#define MT8183_DISP_MUTEX0_MOD0			0x30
+#define MT8183_DISP_MUTEX0_SOF0			0x2c
 
 #define DISP_REG_MUTEX_EN(n)			(0x20 + 0x20 * (n))
 #define DISP_REG_MUTEX(n)			(0x24 + 0x20 * (n))
@@ -38,6 +40,18 @@
 #define MT8167_MUTEX_MOD_DISP_DITHER		15
 #define MT8167_MUTEX_MOD_DISP_UFOE		16
 
+#define MT8183_MUTEX_MOD_DISP_RDMA0		0
+#define MT8183_MUTEX_MOD_DISP_RDMA1		1
+#define MT8183_MUTEX_MOD_DISP_OVL0		9
+#define MT8183_MUTEX_MOD_DISP_OVL0_2L		10
+#define MT8183_MUTEX_MOD_DISP_OVL1_2L		11
+#define MT8183_MUTEX_MOD_DISP_WDMA0		12
+#define MT8183_MUTEX_MOD_DISP_COLOR0		13
+#define MT8183_MUTEX_MOD_DISP_CCORR0		14
+#define MT8183_MUTEX_MOD_DISP_AAL0		15
+#define MT8183_MUTEX_MOD_DISP_GAMMA0		16
+#define MT8183_MUTEX_MOD_DISP_DITHER0		17
+
 #define MT8173_MUTEX_MOD_DISP_OVL0		11
 #define MT8173_MUTEX_MOD_DISP_OVL1		12
 #define MT8173_MUTEX_MOD_DISP_RDMA0		13
@@ -89,6 +103,10 @@
 #define MT8167_MUTEX_SOF_DPI0		2
 #define MT8167_MUTEX_SOF_DPI1		3
 
+#define MT8183_MUTEX_SOF_DPI0			2
+#define MT8183_MUTEX_EOF_DSI0			(MUTEX_SOF_DSI0 << 6)
+#define MT8183_MUTEX_EOF_DPI0			(MT8183_MUTEX_SOF_DPI0 << 6)
+
 
 struct mtk_disp_mutex {
 	int id;
@@ -183,6 +201,20 @@ struct mtk_ddp {
 	[DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1,
 };
 
+static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+	[DDP_COMPONENT_AAL0] = MT8183_MUTEX_MOD_DISP_AAL0,
+	[DDP_COMPONENT_CCORR] = MT8183_MUTEX_MOD_DISP_CCORR0,
+	[DDP_COMPONENT_COLOR0] = MT8183_MUTEX_MOD_DISP_COLOR0,
+	[DDP_COMPONENT_DITHER] = MT8183_MUTEX_MOD_DISP_DITHER0,
+	[DDP_COMPONENT_GAMMA] = MT8183_MUTEX_MOD_DISP_GAMMA0,
+	[DDP_COMPONENT_OVL0] = MT8183_MUTEX_MOD_DISP_OVL0,
+	[DDP_COMPONENT_OVL_2L0] = MT8183_MUTEX_MOD_DISP_OVL0_2L,
+	[DDP_COMPONENT_OVL_2L1] = MT8183_MUTEX_MOD_DISP_OVL1_2L,
+	[DDP_COMPONENT_RDMA0] = MT8183_MUTEX_MOD_DISP_RDMA0,
+	[DDP_COMPONENT_RDMA1] = MT8183_MUTEX_MOD_DISP_RDMA1,
+	[DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
+};
+
 static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
 	[DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
 	[DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
@@ -200,6 +232,12 @@ struct mtk_ddp {
 	[DDP_MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,
 };
 
+static const unsigned int mt8183_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
+	[DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
+	[DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,
+	[DDP_MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
+};
+
 static const struct mtk_ddp_data mt2701_ddp_driver_data = {
 	.mutex_mod = mt2701_mutex_mod,
 	.mutex_sof = mt2712_mutex_sof,
@@ -229,6 +267,14 @@ struct mtk_ddp {
 	.mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
 };
 
+static const struct mtk_ddp_data mt8183_ddp_driver_data = {
+	.mutex_mod = mt8183_mutex_mod,
+	.mutex_sof = mt8183_mutex_sof,
+	.mutex_mod_reg = MT8183_DISP_MUTEX0_MOD0,
+	.mutex_sof_reg = MT8183_DISP_MUTEX0_SOF0,
+	.no_clk = true,
+};
+
 struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id)
 {
 	struct mtk_ddp *ddp = dev_get_drvdata(dev);
@@ -449,6 +495,8 @@ static int mtk_ddp_remove(struct platform_device *pdev)
 	  .data = &mt8167_ddp_driver_data},
 	{ .compatible = "mediatek,mt8173-disp-mutex",
 	  .data = &mt8173_ddp_driver_data},
+	{ .compatible = "mediatek,mt8183-disp-mutex",
+	  .data = &mt8183_ddp_driver_data},
 	{},
 };
 MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);
-- 
1.8.1.1.dirty