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-rw-r--r--drivers/soc/mediatek/Kconfig8
-rw-r--r--drivers/soc/mediatek/Makefile1
-rw-r--r--drivers/soc/mediatek/mtk-mmsys.c338
3 files changed, 347 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig
index 2114b563478c..e84513318725 100644
--- a/drivers/soc/mediatek/Kconfig
+++ b/drivers/soc/mediatek/Kconfig
@@ -44,4 +44,12 @@ config MTK_SCPSYS
Say yes here to add support for the MediaTek SCPSYS power domain
driver.
+config MTK_MMSYS
+ bool "MediaTek MMSYS Support"
+ depends on COMMON_CLK_MT8173_MMSYS
+ default COMMON_CLK_MT8173_MMSYS
+ help
+ Say yes here to add support for the MediaTek Multimedia
+ Subsystem (MMSYS).
+
endmenu
diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile
index b01733074ad6..01f9f873634a 100644
--- a/drivers/soc/mediatek/Makefile
+++ b/drivers/soc/mediatek/Makefile
@@ -3,3 +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
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
new file mode 100644
index 000000000000..b0bb08a66b01
--- /dev/null
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -0,0 +1,338 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.liao@mediatek.com>
+ */
+
+#include <linux/device.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
+
+#include "../../gpu/drm/mediatek/mtk_drm_ddp.h"
+#include "../../gpu/drm/mediatek/mtk_drm_ddp_comp.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 mt8173_mmsys_driver_data = {
+ .clk_driver = "clk-mt8173-mm",
+};
+
+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)
+{
+ void __iomem *config_regs = dev_get_drvdata(dev);
+ unsigned int addr, value, reg;
+
+ value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(config_regs + addr) | value;
+ writel_relaxed(reg, config_regs + addr);
+ }
+
+ mtk_mmsys_ddp_sout_sel(config_regs, cur, next);
+
+ value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(config_regs + addr) | value;
+ writel_relaxed(reg, config_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)
+{
+ void __iomem *config_regs = dev_get_drvdata(dev);
+ unsigned int addr, value, reg;
+
+ value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(config_regs + addr) & ~value;
+ writel_relaxed(reg, config_regs + addr);
+ }
+
+ value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
+ if (value) {
+ reg = readl_relaxed(config_regs + addr) & ~value;
+ writel_relaxed(reg, config_regs + addr);
+ }
+}
+EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
+
+static int mtk_mmsys_probe(struct platform_device *pdev)
+{
+ const struct mtk_mmsys_driver_data *data;
+ struct device *dev = &pdev->dev;
+ struct platform_device *clks;
+ struct platform_device *drm;
+ void __iomem *config_regs;
+ struct resource *mem;
+ int ret;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ config_regs = devm_ioremap_resource(dev, mem);
+ if (IS_ERR(config_regs)) {
+ ret = PTR_ERR(config_regs);
+ dev_err(dev, "Failed to ioremap mmsys-config resource: %d\n",
+ ret);
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, config_regs);
+
+ data = of_device_get_match_data(&pdev->dev);
+
+ clks = platform_device_register_data(&pdev->dev, 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,mt8173-mmsys",
+ .data = &mt8173_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);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-25 18:29:47 +0300