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Message-ID: <1609144630-14721-2-git-send-email-yongqiang.niu@mediatek.com>
Date: Mon, 28 Dec 2020 16:37:03 +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>,
Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: [PATCH v3, 1/8] soc: mediatek: mmsys: create mmsys folder
the mmsys will more and more complicated after support
more and more SoCs, add an independent folder will be
more clear
Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
---
drivers/soc/mediatek/Makefile | 2 +-
drivers/soc/mediatek/mmsys/Makefile | 2 +
drivers/soc/mediatek/mmsys/mtk-mmsys.c | 380 +++++++++++++++++++++++++++++++++
drivers/soc/mediatek/mtk-mmsys.c | 380 ---------------------------------
4 files changed, 383 insertions(+), 381 deletions(-)
create mode 100644 drivers/soc/mediatek/mmsys/Makefile
create mode 100644 drivers/soc/mediatek/mmsys/mtk-mmsys.c
delete mode 100644 drivers/soc/mediatek/mtk-mmsys.c
diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile
index 01f9f87..b5987ca 100644
--- a/drivers/soc/mediatek/Makefile
+++ b/drivers/soc/mediatek/Makefile
@@ -3,4 +3,4 @@ obj-$(CONFIG_MTK_CMDQ) += mtk-cmdq-helper.o
obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o
obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o
obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
-obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
+obj-$(CONFIG_MTK_MMSYS) += mmsys/
diff --git a/drivers/soc/mediatek/mmsys/Makefile b/drivers/soc/mediatek/mmsys/Makefile
new file mode 100644
index 0000000..5d976d7
--- /dev/null
+++ b/drivers/soc/mediatek/mmsys/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
\ No newline at end of file
diff --git a/drivers/soc/mediatek/mmsys/mtk-mmsys.c b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
new file mode 100644
index 0000000..da2de8f
--- /dev/null
+++ b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
@@ -0,0 +1,380 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@...iatek.com>
+ */
+
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
+
+#define DISP_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040
+#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044
+#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048
+#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c
+#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050
+#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084
+#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088
+#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4
+#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8
+#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac
+#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8
+#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4
+#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8
+#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100
+
+#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030
+#define DISP_REG_CONFIG_OUT_SEL 0x04c
+#define DISP_REG_CONFIG_DSI_SEL 0x050
+#define DISP_REG_CONFIG_DPI_SEL 0x064
+
+#define OVL0_MOUT_EN_COLOR0 0x1
+#define OD_MOUT_EN_RDMA0 0x1
+#define OD1_MOUT_EN_RDMA1 BIT(16)
+#define UFOE_MOUT_EN_DSI0 0x1
+#define COLOR0_SEL_IN_OVL0 0x1
+#define OVL1_MOUT_EN_COLOR1 0x1
+#define GAMMA_MOUT_EN_RDMA1 0x1
+#define RDMA0_SOUT_DPI0 0x2
+#define RDMA0_SOUT_DPI1 0x3
+#define RDMA0_SOUT_DSI1 0x1
+#define RDMA0_SOUT_DSI2 0x4
+#define RDMA0_SOUT_DSI3 0x5
+#define RDMA1_SOUT_DPI0 0x2
+#define RDMA1_SOUT_DPI1 0x3
+#define RDMA1_SOUT_DSI1 0x1
+#define RDMA1_SOUT_DSI2 0x4
+#define RDMA1_SOUT_DSI3 0x5
+#define RDMA2_SOUT_DPI0 0x2
+#define RDMA2_SOUT_DPI1 0x3
+#define RDMA2_SOUT_DSI1 0x1
+#define RDMA2_SOUT_DSI2 0x4
+#define RDMA2_SOUT_DSI3 0x5
+#define DPI0_SEL_IN_RDMA1 0x1
+#define DPI0_SEL_IN_RDMA2 0x3
+#define DPI1_SEL_IN_RDMA1 (0x1 << 8)
+#define DPI1_SEL_IN_RDMA2 (0x3 << 8)
+#define DSI0_SEL_IN_RDMA1 0x1
+#define DSI0_SEL_IN_RDMA2 0x4
+#define DSI1_SEL_IN_RDMA1 0x1
+#define DSI1_SEL_IN_RDMA2 0x4
+#define DSI2_SEL_IN_RDMA1 (0x1 << 16)
+#define DSI2_SEL_IN_RDMA2 (0x4 << 16)
+#define DSI3_SEL_IN_RDMA1 (0x1 << 16)
+#define DSI3_SEL_IN_RDMA2 (0x4 << 16)
+#define COLOR1_SEL_IN_OVL1 0x1
+
+#define OVL_MOUT_EN_RDMA 0x1
+#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8
+#define BLS_TO_DPI_RDMA1_TO_DSI 0x2
+#define DSI_SEL_IN_BLS 0x0
+#define DPI_SEL_IN_BLS 0x0
+#define DSI_SEL_IN_RDMA 0x1
+
+struct mtk_mmsys_driver_data {
+ const char *clk_driver;
+};
+
+static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
+ .clk_driver = "clk-mt2701-mm",
+};
+
+static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
+ .clk_driver = "clk-mt2712-mm",
+};
+
+static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
+ .clk_driver = "clk-mt6779-mm",
+};
+
+static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
+ .clk_driver = "clk-mt6797-mm",
+};
+
+static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
+ .clk_driver = "clk-mt8173-mm",
+};
+
+static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
+ .clk_driver = "clk-mt8183-mm",
+};
+
+struct mtk_mmsys {
+ void __iomem *regs;
+ const struct mtk_mmsys_driver_data *data;
+};
+
+static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next,
+ unsigned int *addr)
+{
+ unsigned int value;
+
+ if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
+ *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
+ value = OVL0_MOUT_EN_COLOR0;
+ } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
+ *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
+ value = OVL_MOUT_EN_RDMA;
+ } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
+ *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
+ value = OD_MOUT_EN_RDMA0;
+ } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
+ *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
+ value = UFOE_MOUT_EN_DSI0;
+ } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
+ *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
+ value = OVL1_MOUT_EN_COLOR1;
+ } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) {
+ *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
+ value = GAMMA_MOUT_EN_RDMA1;
+ } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
+ *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
+ value = OD1_MOUT_EN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+ value = RDMA0_SOUT_DPI0;
+ } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+ value = RDMA0_SOUT_DPI1;
+ } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+ value = RDMA0_SOUT_DSI1;
+ } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+ value = RDMA0_SOUT_DSI2;
+ } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
+ value = RDMA0_SOUT_DSI3;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+ value = RDMA1_SOUT_DSI1;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+ value = RDMA1_SOUT_DSI2;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+ value = RDMA1_SOUT_DSI3;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+ value = RDMA1_SOUT_DPI0;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
+ value = RDMA1_SOUT_DPI1;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+ value = RDMA2_SOUT_DPI0;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+ value = RDMA2_SOUT_DPI1;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+ value = RDMA2_SOUT_DSI1;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+ value = RDMA2_SOUT_DSI2;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
+ *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
+ value = RDMA2_SOUT_DSI3;
+ } else {
+ value = 0;
+ }
+
+ return value;
+}
+
+static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next,
+ unsigned int *addr)
+{
+ unsigned int value;
+
+ if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
+ *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
+ value = COLOR0_SEL_IN_OVL0;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
+ *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+ value = DPI0_SEL_IN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
+ *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+ value = DPI1_SEL_IN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
+ *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+ value = DSI0_SEL_IN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
+ *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
+ value = DSI1_SEL_IN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
+ *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+ value = DSI2_SEL_IN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
+ *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
+ value = DSI3_SEL_IN_RDMA1;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
+ *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+ value = DPI0_SEL_IN_RDMA2;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
+ *addr = DISP_REG_CONFIG_DPI_SEL_IN;
+ value = DPI1_SEL_IN_RDMA2;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) {
+ *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+ value = DSI0_SEL_IN_RDMA2;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
+ *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
+ value = DSI1_SEL_IN_RDMA2;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
+ *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+ value = DSI2_SEL_IN_RDMA2;
+ } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
+ *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
+ value = DSI3_SEL_IN_RDMA2;
+ } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
+ *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
+ value = COLOR1_SEL_IN_OVL1;
+ } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
+ *addr = DISP_REG_CONFIG_DSI_SEL;
+ value = DSI_SEL_IN_BLS;
+ } else {
+ value = 0;
+ }
+
+ return value;
+}
+
+static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs,
+ enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next)
+{
+ if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
+ writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
+ config_regs + DISP_REG_CONFIG_OUT_SEL);
+ } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
+ writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
+ config_regs + DISP_REG_CONFIG_OUT_SEL);
+ writel_relaxed(DSI_SEL_IN_RDMA,
+ config_regs + DISP_REG_CONFIG_DSI_SEL);
+ writel_relaxed(DPI_SEL_IN_BLS,
+ config_regs + DISP_REG_CONFIG_DPI_SEL);
+ }
+}
+
+void mtk_mmsys_ddp_connect(struct device *dev,
+ enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next)
+{
+ struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
+ unsigned int addr, value, reg;
+
+ value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(mmsys->regs + addr) | value;
+ writel_relaxed(reg, mmsys->regs + addr);
+ }
+
+ mtk_mmsys_ddp_sout_sel(mmsys->regs, cur, next);
+
+ value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(mmsys->regs + addr) | value;
+ writel_relaxed(reg, mmsys->regs + addr);
+ }
+}
+EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect);
+
+void mtk_mmsys_ddp_disconnect(struct device *dev,
+ enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next)
+{
+ struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
+ unsigned int addr, value, reg;
+
+ value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(mmsys->regs + addr) & ~value;
+ writel_relaxed(reg, mmsys->regs + addr);
+ }
+
+ value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(mmsys->regs + addr) & ~value;
+ writel_relaxed(reg, mmsys->regs + addr);
+ }
+}
+EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
+
+static int mtk_mmsys_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct platform_device *clks;
+ struct platform_device *drm;
+ struct mtk_mmsys *mmsys;
+ int ret;
+
+ mmsys = devm_kzalloc(dev, sizeof(*mmsys), GFP_KERNEL);
+ if (!mmsys)
+ return -ENOMEM;
+
+ mmsys->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(mmsys->regs)) {
+ ret = PTR_ERR(mmsys->regs);
+ dev_err(dev, "Failed to ioremap mmsys registers: %d\n", ret);
+ return ret;
+ }
+
+ mmsys->data = of_device_get_match_data(&pdev->dev);
+ platform_set_drvdata(pdev, mmsys);
+
+ clks = platform_device_register_data(&pdev->dev, mmsys->data->clk_driver,
+ PLATFORM_DEVID_AUTO, NULL, 0);
+ if (IS_ERR(clks))
+ return PTR_ERR(clks);
+
+ drm = platform_device_register_data(&pdev->dev, "mediatek-drm",
+ PLATFORM_DEVID_AUTO, NULL, 0);
+ if (IS_ERR(drm)) {
+ platform_device_unregister(clks);
+ return PTR_ERR(drm);
+ }
+
+ return 0;
+}
+
+static const struct of_device_id of_match_mtk_mmsys[] = {
+ {
+ .compatible = "mediatek,mt2701-mmsys",
+ .data = &mt2701_mmsys_driver_data,
+ },
+ {
+ .compatible = "mediatek,mt2712-mmsys",
+ .data = &mt2712_mmsys_driver_data,
+ },
+ {
+ .compatible = "mediatek,mt6779-mmsys",
+ .data = &mt6779_mmsys_driver_data,
+ },
+ {
+ .compatible = "mediatek,mt6797-mmsys",
+ .data = &mt6797_mmsys_driver_data,
+ },
+ {
+ .compatible = "mediatek,mt8173-mmsys",
+ .data = &mt8173_mmsys_driver_data,
+ },
+ {
+ .compatible = "mediatek,mt8183-mmsys",
+ .data = &mt8183_mmsys_driver_data,
+ },
+ { }
+};
+
+static struct platform_driver mtk_mmsys_drv = {
+ .driver = {
+ .name = "mtk-mmsys",
+ .of_match_table = of_match_mtk_mmsys,
+ },
+ .probe = mtk_mmsys_probe,
+};
+
+builtin_platform_driver(mtk_mmsys_drv);
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
deleted file mode 100644
index da2de8f..0000000
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ /dev/null
@@ -1,380 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2014 MediaTek Inc.
- * Author: James Liao <jamesjj.liao@...iatek.com>
- */
-
-#include <linux/device.h>
-#include <linux/io.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/soc/mediatek/mtk-mmsys.h>
-
-#define DISP_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040
-#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044
-#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048
-#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c
-#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050
-#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084
-#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088
-#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4
-#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8
-#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac
-#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8
-#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4
-#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8
-#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100
-
-#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030
-#define DISP_REG_CONFIG_OUT_SEL 0x04c
-#define DISP_REG_CONFIG_DSI_SEL 0x050
-#define DISP_REG_CONFIG_DPI_SEL 0x064
-
-#define OVL0_MOUT_EN_COLOR0 0x1
-#define OD_MOUT_EN_RDMA0 0x1
-#define OD1_MOUT_EN_RDMA1 BIT(16)
-#define UFOE_MOUT_EN_DSI0 0x1
-#define COLOR0_SEL_IN_OVL0 0x1
-#define OVL1_MOUT_EN_COLOR1 0x1
-#define GAMMA_MOUT_EN_RDMA1 0x1
-#define RDMA0_SOUT_DPI0 0x2
-#define RDMA0_SOUT_DPI1 0x3
-#define RDMA0_SOUT_DSI1 0x1
-#define RDMA0_SOUT_DSI2 0x4
-#define RDMA0_SOUT_DSI3 0x5
-#define RDMA1_SOUT_DPI0 0x2
-#define RDMA1_SOUT_DPI1 0x3
-#define RDMA1_SOUT_DSI1 0x1
-#define RDMA1_SOUT_DSI2 0x4
-#define RDMA1_SOUT_DSI3 0x5
-#define RDMA2_SOUT_DPI0 0x2
-#define RDMA2_SOUT_DPI1 0x3
-#define RDMA2_SOUT_DSI1 0x1
-#define RDMA2_SOUT_DSI2 0x4
-#define RDMA2_SOUT_DSI3 0x5
-#define DPI0_SEL_IN_RDMA1 0x1
-#define DPI0_SEL_IN_RDMA2 0x3
-#define DPI1_SEL_IN_RDMA1 (0x1 << 8)
-#define DPI1_SEL_IN_RDMA2 (0x3 << 8)
-#define DSI0_SEL_IN_RDMA1 0x1
-#define DSI0_SEL_IN_RDMA2 0x4
-#define DSI1_SEL_IN_RDMA1 0x1
-#define DSI1_SEL_IN_RDMA2 0x4
-#define DSI2_SEL_IN_RDMA1 (0x1 << 16)
-#define DSI2_SEL_IN_RDMA2 (0x4 << 16)
-#define DSI3_SEL_IN_RDMA1 (0x1 << 16)
-#define DSI3_SEL_IN_RDMA2 (0x4 << 16)
-#define COLOR1_SEL_IN_OVL1 0x1
-
-#define OVL_MOUT_EN_RDMA 0x1
-#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8
-#define BLS_TO_DPI_RDMA1_TO_DSI 0x2
-#define DSI_SEL_IN_BLS 0x0
-#define DPI_SEL_IN_BLS 0x0
-#define DSI_SEL_IN_RDMA 0x1
-
-struct mtk_mmsys_driver_data {
- const char *clk_driver;
-};
-
-static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
- .clk_driver = "clk-mt2701-mm",
-};
-
-static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
- .clk_driver = "clk-mt2712-mm",
-};
-
-static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
- .clk_driver = "clk-mt6779-mm",
-};
-
-static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
- .clk_driver = "clk-mt6797-mm",
-};
-
-static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
- .clk_driver = "clk-mt8173-mm",
-};
-
-static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
- .clk_driver = "clk-mt8183-mm",
-};
-
-struct mtk_mmsys {
- void __iomem *regs;
- const struct mtk_mmsys_driver_data *data;
-};
-
-static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
- enum mtk_ddp_comp_id next,
- unsigned int *addr)
-{
- unsigned int value;
-
- if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
- *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
- value = OVL0_MOUT_EN_COLOR0;
- } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
- *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
- value = OVL_MOUT_EN_RDMA;
- } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
- *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
- value = OD_MOUT_EN_RDMA0;
- } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
- *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
- value = UFOE_MOUT_EN_DSI0;
- } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
- *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
- value = OVL1_MOUT_EN_COLOR1;
- } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) {
- *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
- value = GAMMA_MOUT_EN_RDMA1;
- } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
- *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
- value = OD1_MOUT_EN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
- *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
- value = RDMA0_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
- *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
- value = RDMA0_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
- *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
- value = RDMA0_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
- *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
- value = RDMA0_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
- *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
- value = RDMA0_SOUT_DSI3;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
- *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
- value = RDMA1_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
- *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
- value = RDMA1_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
- *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
- value = RDMA1_SOUT_DSI3;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
- *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
- value = RDMA1_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
- *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
- value = RDMA1_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
- *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
- value = RDMA2_SOUT_DPI0;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
- *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
- value = RDMA2_SOUT_DPI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
- *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
- value = RDMA2_SOUT_DSI1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
- *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
- value = RDMA2_SOUT_DSI2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
- *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
- value = RDMA2_SOUT_DSI3;
- } else {
- value = 0;
- }
-
- return value;
-}
-
-static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur,
- enum mtk_ddp_comp_id next,
- unsigned int *addr)
-{
- unsigned int value;
-
- if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
- *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
- value = COLOR0_SEL_IN_OVL0;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
- *addr = DISP_REG_CONFIG_DPI_SEL_IN;
- value = DPI0_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
- *addr = DISP_REG_CONFIG_DPI_SEL_IN;
- value = DPI1_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
- *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
- value = DSI0_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
- *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
- value = DSI1_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
- *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
- value = DSI2_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
- *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
- value = DSI3_SEL_IN_RDMA1;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
- *addr = DISP_REG_CONFIG_DPI_SEL_IN;
- value = DPI0_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
- *addr = DISP_REG_CONFIG_DPI_SEL_IN;
- value = DPI1_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) {
- *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
- value = DSI0_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
- *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
- value = DSI1_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
- *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
- value = DSI2_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
- *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
- value = DSI3_SEL_IN_RDMA2;
- } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
- *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
- value = COLOR1_SEL_IN_OVL1;
- } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
- *addr = DISP_REG_CONFIG_DSI_SEL;
- value = DSI_SEL_IN_BLS;
- } else {
- value = 0;
- }
-
- return value;
-}
-
-static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs,
- enum mtk_ddp_comp_id cur,
- enum mtk_ddp_comp_id next)
-{
- if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
- writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
- config_regs + DISP_REG_CONFIG_OUT_SEL);
- } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
- writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
- config_regs + DISP_REG_CONFIG_OUT_SEL);
- writel_relaxed(DSI_SEL_IN_RDMA,
- config_regs + DISP_REG_CONFIG_DSI_SEL);
- writel_relaxed(DPI_SEL_IN_BLS,
- config_regs + DISP_REG_CONFIG_DPI_SEL);
- }
-}
-
-void mtk_mmsys_ddp_connect(struct device *dev,
- enum mtk_ddp_comp_id cur,
- enum mtk_ddp_comp_id next)
-{
- struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
- unsigned int addr, value, reg;
-
- value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
- if (value) {
- reg = readl_relaxed(mmsys->regs + addr) | value;
- writel_relaxed(reg, mmsys->regs + addr);
- }
-
- mtk_mmsys_ddp_sout_sel(mmsys->regs, cur, next);
-
- value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
- if (value) {
- reg = readl_relaxed(mmsys->regs + addr) | value;
- writel_relaxed(reg, mmsys->regs + addr);
- }
-}
-EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect);
-
-void mtk_mmsys_ddp_disconnect(struct device *dev,
- enum mtk_ddp_comp_id cur,
- enum mtk_ddp_comp_id next)
-{
- struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
- unsigned int addr, value, reg;
-
- value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
- if (value) {
- reg = readl_relaxed(mmsys->regs + addr) & ~value;
- writel_relaxed(reg, mmsys->regs + addr);
- }
-
- value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
- if (value) {
- reg = readl_relaxed(mmsys->regs + addr) & ~value;
- writel_relaxed(reg, mmsys->regs + addr);
- }
-}
-EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
-
-static int mtk_mmsys_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct platform_device *clks;
- struct platform_device *drm;
- struct mtk_mmsys *mmsys;
- int ret;
-
- mmsys = devm_kzalloc(dev, sizeof(*mmsys), GFP_KERNEL);
- if (!mmsys)
- return -ENOMEM;
-
- mmsys->regs = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(mmsys->regs)) {
- ret = PTR_ERR(mmsys->regs);
- dev_err(dev, "Failed to ioremap mmsys registers: %d\n", ret);
- return ret;
- }
-
- mmsys->data = of_device_get_match_data(&pdev->dev);
- platform_set_drvdata(pdev, mmsys);
-
- clks = platform_device_register_data(&pdev->dev, mmsys->data->clk_driver,
- PLATFORM_DEVID_AUTO, NULL, 0);
- if (IS_ERR(clks))
- return PTR_ERR(clks);
-
- drm = platform_device_register_data(&pdev->dev, "mediatek-drm",
- PLATFORM_DEVID_AUTO, NULL, 0);
- if (IS_ERR(drm)) {
- platform_device_unregister(clks);
- return PTR_ERR(drm);
- }
-
- return 0;
-}
-
-static const struct of_device_id of_match_mtk_mmsys[] = {
- {
- .compatible = "mediatek,mt2701-mmsys",
- .data = &mt2701_mmsys_driver_data,
- },
- {
- .compatible = "mediatek,mt2712-mmsys",
- .data = &mt2712_mmsys_driver_data,
- },
- {
- .compatible = "mediatek,mt6779-mmsys",
- .data = &mt6779_mmsys_driver_data,
- },
- {
- .compatible = "mediatek,mt6797-mmsys",
- .data = &mt6797_mmsys_driver_data,
- },
- {
- .compatible = "mediatek,mt8173-mmsys",
- .data = &mt8173_mmsys_driver_data,
- },
- {
- .compatible = "mediatek,mt8183-mmsys",
- .data = &mt8183_mmsys_driver_data,
- },
- { }
-};
-
-static struct platform_driver mtk_mmsys_drv = {
- .driver = {
- .name = "mtk-mmsys",
- .of_match_table = of_match_mtk_mmsys,
- },
- .probe = mtk_mmsys_probe,
-};
-
-builtin_platform_driver(mtk_mmsys_drv);
--
1.8.1.1.dirty
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