add mt8192 mmsys support
Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mmsys/Makefile | 1 +
drivers/soc/mediatek/mmsys/mt8192-mmsys.c | 159 ++++++++++++++++++++++++++++++
2 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 62cfedf..c4bb6be 100644
--- a/drivers/soc/mediatek/mmsys/Makefile
+++ b/drivers/soc/mediatek/mmsys/Makefile
@@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-y += mt2701-mmsys.o
obj-y += mt8183-mmsys.o
+obj-y += mt8192-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..006d41d
--- /dev/null
+++ b/drivers/soc/mediatek/mmsys/mt8192-mmsys.c
@@ -0,0 +1,159 @@
+// 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 MT8192_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 MT8192_DISP_OVL0_2L_MOUT_EN 0xf18
+#define MT8192_DISP_OVL0_MOUT_EN 0xf1c
+#define OVL0_MOUT_EN_DISP_RDMA0 BIT(0)
+#define MT8192_DISP_RDMA0_SEL_IN 0xf2c
+#define MT8192_RDMA0_SEL_IN_OVL0_2L 0x3
+#define MT8192_DISP_RDMA0_SOUT_SEL 0xf30
+#define MT8192_RDMA0_SOUT_COLOR0 0x1
+#define MT8192_DISP_CCORR0_SOUT_SEL 0xf34
+#define MT8192_CCORR0_SOUT_AAL0 0x1
+#define MT8192_DISP_AAL0_SEL_IN 0xf38
+#define MT8192_AAL0_SEL_IN_CCORR0 0x1
+#define MT8192_DISP_DITHER0_MOUT_EN 0xf3c
+#define MT8192_DITHER0_MOUT_DSI0 BIT(0)
+#define MT8192_DISP_DSI0_SEL_IN 0xf40
+#define MT8192_DSI0_SEL_IN_DITHER0 0x1
+#define MT8192_DISP_OVL2_2L_MOUT_EN 0xf4c
+#define MT8192_OVL2_2L_MOUT_RDMA4 BIT(0)
+
+struct mmsys_path_sel {
+ enum mtk_ddp_comp_id cur;
+ enum mtk_ddp_comp_id next;
+ u32 addr;
+ u32 val;
+};
+
+static struct mmsys_path_sel mmsys_mout_en[] = {
+ {
+ DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
+ MT8192_DISP_OVL0_MOUT_EN, OVL0_MOUT_EN_DISP_RDMA0,
+ },
+ {
+ DDP_COMPONENT_OVL_2L2, DDP_COMPONENT_RDMA4,
+ MT8192_DISP_OVL2_2L_MOUT_EN, MT8192_OVL2_2L_MOUT_RDMA4,
+ },
+ {
+ DDP_COMPONENT_DITHER, DDP_COMPONENT_DSI0,
+ MT8192_DISP_DITHER0_MOUT_EN, MT8192_DITHER0_MOUT_DSI0,
+ },
+};
+
+static struct mmsys_path_sel mmsys_sel_in[] = {
+ {
+ DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
+ MT8192_DISP_RDMA0_SEL_IN, MT8192_RDMA0_SEL_IN_OVL0_2L,
+ },
+ {
+ DDP_COMPONENT_CCORR, DDP_COMPONENT_AAL0,
+ MT8192_DISP_AAL0_SEL_IN, MT8192_AAL0_SEL_IN_CCORR0,
+ },
+ {
+ DDP_COMPONENT_DITHER, DDP_COMPONENT_DSI0,
+ MT8192_DISP_DSI0_SEL_IN, MT8192_DSI0_SEL_IN_DITHER0,
+ },
+};
+
+static struct mmsys_path_sel mmsys_sout_sel[] = {
+ {
+ DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0,
+ MT8192_DISP_RDMA0_SOUT_SEL, MT8192_RDMA0_SOUT_COLOR0,
+ },
+ {
+ DDP_COMPONENT_CCORR, DDP_COMPONENT_AAL0,
+ MT8192_DISP_CCORR0_SOUT_SEL, MT8192_CCORR0_SOUT_AAL0,
+ }
+};
+
+static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next,
+ unsigned int *addr)
+{
+ u32 i;
+ struct mmsys_path_sel *path;
+
+ for (i = 0; i < ARRAY_SIZE(mmsys_mout_en); i++) {
+ path = &mmsys_mout_en[i];
+ if (cur == path->cur && next == path->next) {
+ *addr = path->addr;
+ return path->val;
+ }
+ }
+
+ return 0;
+}
+
+static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next,
+ unsigned int *addr)
+{
+ u32 i;
+ struct mmsys_path_sel *path;
+
+ for (i = 0; i < ARRAY_SIZE(mmsys_sel_in); i++) {
+ path = &mmsys_sel_in[i];
+ if (cur == path->cur && next == path->next) {
+ *addr = path->addr;
+ return path->val;
+ }
+ }
+
+ return 0;
+}
+
+static void mtk_mmsys_ddp_sout_sel(void __iomem *config_regs,
+ enum mtk_ddp_comp_id cur,
+ enum mtk_ddp_comp_id next)
+{
+ u32 i;
+ u32 val = 0;
+ u32 addr = 0;
+ struct mmsys_path_sel *path;
+
+ for (i = 0; i < ARRAY_SIZE(mmsys_sout_sel); i++) {
+ path = &mmsys_sout_sel[i];
+ if (cur == path->cur && next == path->next) {
+ addr = path->addr;
+ writel_relaxed(path->val, config_regs + addr);
+ return;
+ }
+ }
+}
+
+static struct mtk_mmsys_conn_funcs mmsys_funcs = {
+ .mout_en = mtk_mmsys_ddp_mout_en,
+ .sel_in = mtk_mmsys_ddp_sel_in,
+ .sout_sel = mtk_mmsys_ddp_sout_sel,
+};
+
+static int mmsys_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+
+ mtk_mmsys_register_conn_funcs(dev->parent, &mmsys_funcs);
+
+ return 0;
+}
+
+static struct platform_driver mmsys_drv = {
+ .probe = mmsys_probe,
+ .driver = {
+ .name = "mt8192-mmsys",
+ },
+};
+
+builtin_platform_driver(mmsys_drv);
--
1.8.1.1.dirty
