add mt8183 function call for setting the routing registers
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com --- drivers/soc/mediatek/mmsys/Makefile | 1 + drivers/soc/mediatek/mmsys/mt8183-mmsys.c | 110 ++++++++++++++++++++++++++++++ drivers/soc/mediatek/mmsys/mtk-mmsys.c | 1 + include/linux/soc/mediatek/mtk-mmsys.h | 1 + 4 files changed, 113 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 ac03025..25eeb9e5 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-$(CONFIG_MTK_MMSYS) += mt2701-mmsys.o +obj-$(CONFIG_MTK_MMSYS) += mt8183-mmsys.o obj-$(CONFIG_MTK_MMSYS) += mtk-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..8311f89 --- /dev/null +++ b/drivers/soc/mediatek/mmsys/mt8183-mmsys.c @@ -0,0 +1,110 @@ +// 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 + +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_OVL0 && next == DDP_COMPONENT_OVL_2L0) { + addr = DISP_OVL0_MOUT_EN; + value = OVL0_MOUT_EN_OVL0_2L; + } else if (cur == DDP_COMPONENT_OVL_2L0 && next == DDP_COMPONENT_RDMA0) { + addr = DISP_OVL0_2L_MOUT_EN; + value = OVL0_2L_MOUT_EN_DISP_PATH0; + } else if (cur == DDP_COMPONENT_OVL_2L1 && next == DDP_COMPONENT_RDMA1) { + addr = DISP_OVL1_2L_MOUT_EN; + value = OVL1_2L_MOUT_EN_RDMA1; + } else if (cur == DDP_COMPONENT_DITHER && next == DDP_COMPONENT_DSI0) { + addr = DISP_DITHER0_MOUT_EN; + value = DITHER0_MOUT_IN_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_PATH0_SEL_IN; + value = DISP_PATH0_SEL_IN_OVL0_2L; + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) { + addr = DISP_DPI0_SEL_IN; + value = DPI0_SEL_IN_RDMA1; + } 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_IN); + } +} + +struct mtk_mmsys_conn_funcs mt8183_mmsys_funcs = { + .mout_en = mtk_mmsys_ddp_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 4ca72f8..075d356 100644 --- a/drivers/soc/mediatek/mmsys/mtk-mmsys.c +++ b/drivers/soc/mediatek/mmsys/mtk-mmsys.c @@ -47,6 +47,7 @@ struct mtk_mmsys {
static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { .clk_driver = "clk-mt8183-mm", + .funcs = &mt8183_mmsys_funcs, };
void mtk_mmsys_ddp_connect(struct device *dev, diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h index 89000a9..7e2c0fe 100644 --- a/include/linux/soc/mediatek/mtk-mmsys.h +++ b/include/linux/soc/mediatek/mtk-mmsys.h @@ -57,6 +57,7 @@ struct mtk_mmsys_conn_funcs { };
extern struct mtk_mmsys_conn_funcs mt2701_mmsys_funcs; +extern struct mtk_mmsys_conn_funcs mt8183_mmsys_funcs;
void mtk_mmsys_ddp_connect(struct device *dev, enum mtk_ddp_comp_id cur,