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,