[PATCH v4, 10/10] soc: mediatek: mmsys: add mt8192 mmsys support

Yongqiang Niu
2021-01-05T03:08:35Z

add mt8192 mmsys support

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
drivers/soc/mediatek/mmsys/Makefile | 1 +
drivers/soc/mediatek/mmsys/mt8192-mmsys.c | 149 ++++++++++++++++++++++++++++++
drivers/soc/mediatek/mmsys/mtk-mmsys.c | 9 ++
include/linux/soc/mediatek/mtk-mmsys.h | 1 +
4 files changed, 160 insertions(+)
create mode 100644 drivers/soc/mediatek/mmsys/mt8192-mmsys.c

diff --git a/drivers/soc/mediatek/mmsys/Makefile b/drivers/soc/mediatek/mmsys/Makefile
index 25eeb9e5..7508cd3 100644
--- a/drivers/soc/mediatek/mmsys/Makefile
+++ b/drivers/soc/mediatek/mmsys/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_MTK_MMSYS) += mt2701-mmsys.o
obj-$(CONFIG_MTK_MMSYS) += mt8183-mmsys.o
+obj-$(CONFIG_MTK_MMSYS) += mt8192-mmsys.o
obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
diff --git a/drivers/soc/mediatek/mmsys/mt8192-mmsys.c b/drivers/soc/mediatek/mmsys/mt8192-mmsys.c
new file mode 100644
index 0000000..2e350d1
--- /dev/null
+++ b/drivers/soc/mediatek/mmsys/mt8192-mmsys.c
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2020 MediaTek Inc.
+
+#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 MMSYS_OVL_MOUT_EN 0xf04
+#define DISP_OVL0_GO_BLEND BIT(0)
+#define DISP_OVL0_GO_BG BIT(1)
+#define DISP_OVL0_2L_GO_BLEND BIT(2)
+#define DISP_OVL0_2L_GO_BG BIT(3)
+#define DISP_OVL1_2L_MOUT_EN 0xf08
+#define OVL1_2L_MOUT_EN_RDMA1 BIT(4)
+#define DISP_OVL0_2L_MOUT_EN 0xf18
+#define DISP_OVL0_MOUT_EN 0xf1c
+#define OVL0_MOUT_EN_DISP_RDMA0 BIT(0)
+#define OVL0_MOUT_EN_OVL0_2L BIT(4)
+#define DISP_RDMA0_SEL_IN 0xf2c
+#define RDMA0_SEL_IN_OVL0_2L 0x3
+#define DISP_RDMA0_SOUT_SEL 0xf30
+#define RDMA0_SOUT_COLOR0 0x1
+#define DISP_CCORR0_SOUT_SEL 0xf34
+#define CCORR0_SOUT_AAL0 0x1
+#define DISP_AAL0_SEL_IN 0xf38
+#define AAL0_SEL_IN_CCORR0 0x1
+#define DISP_DITHER0_MOUT_EN 0xf3c
+#define DITHER0_MOUT_DSI0 BIT(0)
+#define DISP_DSI0_SEL_IN 0xf40
+#define DSI0_SEL_IN_DITHER0 0x1
+#define DISP_OVL2_2L_MOUT_EN 0xf4c
+#define OVL2_2L_MOUT_RDMA4 BIT(0)
+
+static void mtk_mmsys_ddp_mout_en(void __iomem *config_regs,
+ enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next,
+ bool enable)
+{
+ unsigned int addr, value, reg;
+
+ if (cur == DDP_COMPONENT_OVL_2L0 && next == DDP_COMPONENT_RDMA0) {
+ addr = DISP_OVL0_2L_MOUT_EN;
+ value = OVL0_MOUT_EN_DISP_RDMA0;
+ } else if (cur == DDP_COMPONENT_OVL_2L2 && next == DDP_COMPONENT_RDMA4) {
+ addr = DISP_OVL2_2L_MOUT_EN;
+ value = OVL2_2L_MOUT_RDMA4;
+ } else if (cur == DDP_COMPONENT_DITHER && next == DDP_COMPONENT_DSI0) {
+ addr = DISP_DITHER0_MOUT_EN;
+ value = DITHER0_MOUT_DSI0;
+ } else {
+ value = 0;
+ }
+
+ if (value) {
+ reg = readl_relaxed(config_regs + addr);
+
+ if (enable)
+ reg |= value;
+ else
+ reg &= ~value;
+
+ writel_relaxed(reg, config_regs + addr);
+ }
+}
+
+static void mtk_mmsys_ddp_sel_in(void __iomem *config_regs,
+ enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next,
+ bool enable)
+{
+ unsigned int addr, value, reg;
+
+ if (cur == DDP_COMPONENT_OVL_2L0 && next == DDP_COMPONENT_RDMA0) {
+ addr = DISP_RDMA0_SEL_IN;
+ value = RDMA0_SEL_IN_OVL0_2L;
+ } else if (cur == DDP_COMPONENT_CCORR && next == DDP_COMPONENT_AAL0) {
+ addr = DISP_AAL0_SEL_IN;
+ value = AAL0_SEL_IN_CCORR0;
+ } else if (cur == DDP_COMPONENT_DITHER && next == DDP_COMPONENT_DSI0) {
+ addr = DISP_DSI0_SEL_IN;
+ value = DSI0_SEL_IN_DITHER0;
+ } else {
+ value = 0;
+ }
+
+ if (value) {
+ reg = readl_relaxed(config_regs + addr);
+
+ if (enable)
+ reg |= value;
+ else
+ reg &= ~value;
+
+ writel_relaxed(reg, config_regs + addr);
+ }
+}
+
+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_RDMA0 && next == DDP_COMPONENT_COLOR0) {
+ writel_relaxed(RDMA0_SOUT_COLOR0, config_regs + DISP_RDMA0_SOUT_SEL);
+ } else if (cur == DDP_COMPONENT_CCORR && next == DDP_COMPONENT_AAL0) {
+ writel_relaxed(CCORR0_SOUT_AAL0, config_regs + DISP_CCORR0_SOUT_SEL);
+ }
+}
+
+static void mtk_mmsys_ovl_mout_en(void __iomem *config_regs,
+ enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next,
+ bool enable)
+{
+ unsigned int addr, value, reg;
+
+ addr = MMSYS_OVL_MOUT_EN;
+
+ if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_OVL_2L0)
+ value = DISP_OVL0_GO_BG;
+ else if (cur == DDP_COMPONENT_OVL_2L0 && next == DDP_COMPONENT_OVL0)
+ value = DISP_OVL0_2L_GO_BG;
+ else if (cur == DDP_COMPONENT_OVL0)
+ value = DISP_OVL0_GO_BLEND;
+ else if (cur == DDP_COMPONENT_OVL_2L0)
+ value = DISP_OVL0_2L_GO_BLEND;
+ else
+ value = 0;
+
+ if (value) {
+ reg = readl_relaxed(config_regs + addr);
+
+ if (enable)
+ reg |= value;
+ else
+ reg &= ~value;
+
+ writel_relaxed(reg, config_regs + addr);
+ }
+}
+
+struct mtk_mmsys_conn_funcs mt8192_mmsys_funcs = {
+ .mout_en = mtk_mmsys_ddp_mout_en,
+ .ovl_mout_en = mtk_mmsys_ovl_mout_en,
+ .sel_in = mtk_mmsys_ddp_sel_in,
+ .sout_sel = mtk_mmsys_ddp_sout_sel,
+};
diff --git a/drivers/soc/mediatek/mmsys/mtk-mmsys.c b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
index 34728ed..2c72607 100644
--- a/drivers/soc/mediatek/mmsys/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
@@ -50,6 +50,11 @@ struct mtk_mmsys {
.funcs = &mt8183_mmsys_funcs,
};

+static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = {
+ .clk_driver = "clk-mt8192-mm",
+ .funcs = &mt8192_mmsys_funcs,
+};
+
void mtk_mmsys_ddp_connect(struct device *dev,
enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next)
@@ -157,6 +162,10 @@ static int mtk_mmsys_probe(struct platform_device *pdev)
.compatible = "mediatek,mt8183-mmsys",
.data = &mt8183_mmsys_driver_data,
},
+ {
+ .compatible = "mediatek,mt8192-mmsys",
+ .data = &mt8192_mmsys_driver_data,
+ },
{ }
};

diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
index 19318d2..eeec96a 100644
--- a/include/linux/soc/mediatek/mtk-mmsys.h
+++ b/include/linux/soc/mediatek/mtk-mmsys.h
@@ -65,6 +65,7 @@ struct mtk_mmsys_conn_funcs {

extern struct mtk_mmsys_conn_funcs mt2701_mmsys_funcs;
extern struct mtk_mmsys_conn_funcs mt8183_mmsys_funcs;
+extern struct mtk_mmsys_conn_funcs mt8192_mmsys_funcs;

void mtk_mmsys_ddp_connect(struct device *dev,
enum mtk_ddp_comp_id cur,
--
1.8.1.1.dirty