linux-kernel - [PATCH v2 4/5] drm/mediatek: add DDP support for MT8167

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Message-Id: <20201023133130.194140-5-fparent@baylibre.com>
Date:   Fri, 23 Oct 2020 15:31:29 +0200
From:   Fabien Parent <fparent@...libre.com>
To:     linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     matthias.bgg@...il.com, robh+dt@...nel.org, daniel@...ll.ch,
        airlied@...ux.ie, p.zabel@...gutronix.de, chunkuang.hu@...nel.org,
        Fabien Parent <fparent@...libre.com>
Subject: [PATCH v2 4/5] drm/mediatek: add DDP support for MT8167

Add DDP support for MT8167 SoC.

Signed-off-by: Fabien Parent <fparent@...libre.com>
---

Changelog:

V2: don't set DDP_MUTEX_SOF_DSI{1,2,3} since they are not available on MT8167

 drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 47 ++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index 014c1bbe1df2..1f99db6b1a42 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -25,6 +25,19 @@
 
 #define INT_MUTEX				BIT(1)
 
+#define MT8167_MUTEX_MOD_DISP_PWM		1
+#define MT8167_MUTEX_MOD_DISP_OVL0		6
+#define MT8167_MUTEX_MOD_DISP_OVL1		7
+#define MT8167_MUTEX_MOD_DISP_RDMA0		8
+#define MT8167_MUTEX_MOD_DISP_RDMA1		9
+#define MT8167_MUTEX_MOD_DISP_WDMA0		10
+#define MT8167_MUTEX_MOD_DISP_CCORR		11
+#define MT8167_MUTEX_MOD_DISP_COLOR		12
+#define MT8167_MUTEX_MOD_DISP_AAL		13
+#define MT8167_MUTEX_MOD_DISP_GAMMA		14
+#define MT8167_MUTEX_MOD_DISP_DITHER		15
+#define MT8167_MUTEX_MOD_DISP_UFOE		16
+
 #define MT8173_MUTEX_MOD_DISP_OVL0		11
 #define MT8173_MUTEX_MOD_DISP_OVL1		12
 #define MT8173_MUTEX_MOD_DISP_RDMA0		13
@@ -73,6 +86,8 @@
 #define MUTEX_SOF_DPI1			4
 #define MUTEX_SOF_DSI2			5
 #define MUTEX_SOF_DSI3			6
+#define MT8167_MUTEX_SOF_DPI0		2
+#define MT8167_MUTEX_SOF_DPI1		3
 
 
 struct mtk_disp_mutex {
@@ -135,6 +150,21 @@ static const unsigned int mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = {
 	[DDP_COMPONENT_WDMA1] = MT2712_MUTEX_MOD_DISP_WDMA1,
 };
 
+static const unsigned int mt8167_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+	[DDP_COMPONENT_AAL0] = MT8167_MUTEX_MOD_DISP_AAL,
+	[DDP_COMPONENT_CCORR] = MT8167_MUTEX_MOD_DISP_CCORR,
+	[DDP_COMPONENT_COLOR0] = MT8167_MUTEX_MOD_DISP_COLOR,
+	[DDP_COMPONENT_DITHER] = MT8167_MUTEX_MOD_DISP_DITHER,
+	[DDP_COMPONENT_GAMMA] = MT8167_MUTEX_MOD_DISP_GAMMA,
+	[DDP_COMPONENT_OVL0] = MT8167_MUTEX_MOD_DISP_OVL0,
+	[DDP_COMPONENT_OVL1] = MT8167_MUTEX_MOD_DISP_OVL1,
+	[DDP_COMPONENT_PWM0] = MT8167_MUTEX_MOD_DISP_PWM,
+	[DDP_COMPONENT_RDMA0] = MT8167_MUTEX_MOD_DISP_RDMA0,
+	[DDP_COMPONENT_RDMA1] = MT8167_MUTEX_MOD_DISP_RDMA1,
+	[DDP_COMPONENT_UFOE] = MT8167_MUTEX_MOD_DISP_UFOE,
+	[DDP_COMPONENT_WDMA0] = MT8167_MUTEX_MOD_DISP_WDMA0,
+};
+
 static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
 	[DDP_COMPONENT_AAL0] = MT8173_MUTEX_MOD_DISP_AAL,
 	[DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0,
@@ -163,6 +193,13 @@ static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
 	[DDP_MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
 };
 
+static const unsigned int mt8167_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
+	[DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
+	[DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
+	[DDP_MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0,
+	[DDP_MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,
+};
+
 static const struct mtk_ddp_data mt2701_ddp_driver_data = {
 	.mutex_mod = mt2701_mutex_mod,
 	.mutex_sof = mt2712_mutex_sof,
@@ -177,6 +214,14 @@ static const struct mtk_ddp_data mt2712_ddp_driver_data = {
 	.mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
 };
 
+static const struct mtk_ddp_data mt8167_ddp_driver_data = {
+	.mutex_mod = mt8167_mutex_mod,
+	.mutex_sof = mt8167_mutex_sof,
+	.mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
+	.mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
+	.no_clk = true,
+};
+
 static const struct mtk_ddp_data mt8173_ddp_driver_data = {
 	.mutex_mod = mt8173_mutex_mod,
 	.mutex_sof = mt2712_mutex_sof,
@@ -400,6 +445,8 @@ static const struct of_device_id ddp_driver_dt_match[] = {
 	  .data = &mt2701_ddp_driver_data},
 	{ .compatible = "mediatek,mt2712-disp-mutex",
 	  .data = &mt2712_ddp_driver_data},
+	{ .compatible = "mediatek,mt8167-disp-mutex",
+	  .data = &mt8167_ddp_driver_data},
 	{ .compatible = "mediatek,mt8173-disp-mutex",
 	  .data = &mt8173_ddp_driver_data},
 	{},
-- 
2.28.0