add mt8183 mmsys support
Feature: drm/mediatek Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com --- drivers/soc/mediatek/mmsys/Makefile | 1 + drivers/soc/mediatek/mmsys/mt8183-mmsys.c | 161 ++++++++++++++++++++++++++++++ drivers/soc/mediatek/mtk-mmsys.c | 1 + 3 files changed, 163 insertions(+) create mode 100644 drivers/soc/mediatek/mmsys/mt8183-mmsys.c
diff --git a/drivers/soc/mediatek/mmsys/Makefile b/drivers/soc/mediatek/mmsys/Makefile index 33b0dab..62cfedf 100644 --- a/drivers/soc/mediatek/mmsys/Makefile +++ b/drivers/soc/mediatek/mmsys/Makefile @@ -1,2 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only obj-y += mt2701-mmsys.o +obj-y += mt8183-mmsys.o diff --git a/drivers/soc/mediatek/mmsys/mt8183-mmsys.c b/drivers/soc/mediatek/mmsys/mt8183-mmsys.c new file mode 100644 index 0000000..9d5f276 --- /dev/null +++ b/drivers/soc/mediatek/mmsys/mt8183-mmsys.c @@ -0,0 +1,161 @@ +// 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 DISP_OVL0_MOUT_EN 0xf00 +#define DISP_OVL0_2L_MOUT_EN 0xf04 +#define DISP_OVL1_2L_MOUT_EN 0xf08 +#define DISP_DITHER0_MOUT_EN 0xf0c +#define DISP_PATH0_SEL_IN 0xf24 +#define DISP_DSI0_SEL_IN 0xf2c +#define DISP_DPI0_SEL_IN 0xf30 +#define DISP_RDMA0_SOUT_SEL_IN 0xf50 +#define DISP_RDMA1_SOUT_SEL_IN 0xf54 + +#define OVL0_MOUT_EN_OVL0_2L BIT(4) +#define OVL0_2L_MOUT_EN_DISP_PATH0 BIT(0) +#define OVL1_2L_MOUT_EN_RDMA1 BIT(4) +#define DITHER0_MOUT_IN_DSI0 BIT(0) +#define DISP_PATH0_SEL_IN_OVL0_2L 0x1 +#define DSI0_SEL_IN_RDMA0 0x1 +#define DSI0_SEL_IN_RDMA1 0x3 +#define DPI0_SEL_IN_RDMA0 0x1 +#define DPI0_SEL_IN_RDMA1 0x2 +#define RDMA0_SOUT_COLOR0 0x1 +#define RDMA1_SOUT_DSI0 0x1 + +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_OVL0, DDP_COMPONENT_OVL_2L0, + DISP_OVL0_MOUT_EN, OVL0_MOUT_EN_OVL0_2L, + }, + { + DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0, + DISP_OVL0_2L_MOUT_EN, OVL0_2L_MOUT_EN_DISP_PATH0, + }, + { + DDP_COMPONENT_OVL_2L1, DDP_COMPONENT_RDMA1, + DISP_OVL1_2L_MOUT_EN, OVL1_2L_MOUT_EN_RDMA1, + }, + { + DDP_COMPONENT_DITHER, DDP_COMPONENT_DSI0, + DISP_DITHER0_MOUT_EN, DITHER0_MOUT_IN_DSI0, + }, +}; + +static struct mmsys_path_sel mmsys_sel_in[] = { + { + DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0, + DISP_PATH0_SEL_IN, DISP_PATH0_SEL_IN_OVL0_2L, + }, + { + DDP_COMPONENT_RDMA1, DDP_COMPONENT_DPI0, + DISP_DPI0_SEL_IN, DPI0_SEL_IN_RDMA1, + }, +}; + +static struct mmsys_path_sel mmsys_sout_sel[] = { + { + DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0, + DISP_RDMA0_SOUT_SEL_IN, RDMA0_SOUT_COLOR0, + }, +}; + +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; + u32 val = 0; + 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; + val = path->val; + break; + } + } + + return val; +} + +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; + u32 val = 0; + 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; + val = path->val; + break; + } + } + + return val; +} + +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; + val = path->val; + break; + } + } + + if (val) + writel_relaxed(val, config_regs + addr); +} + +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 = "mt8183-mmsys", + }, +}; + +builtin_platform_driver(mmsys_drv); diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index 605b992..6a451ac 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -47,6 +47,7 @@ struct mtk_mmsys_private_data {
static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { .clk_driver = "clk-mt8183-mm", + .mmsys_driver = "mt8183-mmsys", };
void mtk_mmsys_ddp_connect(struct device *dev,