Re: [PATCH v4, 01/10] soc: mediatek: mmsys: create mmsys folder

From: Enric Balletbo Serra
Date: Tue Feb 09 2021 - 10:40:01 EST

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Hi Yongqiang Niu,

Thank you for your patch.

Missatge de Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> del dia dt., 5
de gen. 2021 a les 4:07:
>
> the mmsys will more and more complicated after support
> more and more SoCs, add an independent folder will be
> more clear
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> ---
> drivers/soc/mediatek/Makefile | 2 +-

It will not apply cleanly anymore after the below commit that is
already queued. Maybe you could rebase the patches and resend them
again?

commit e1e4f7fea37572f0ccf3887430e52c491e9accb6
Author: CK Hu <ck.hu@xxxxxxxxxxxx>
Date: Tue Jul 21 15:46:06 2020 +0800

soc / drm: mediatek: Move mtk mutex driver to soc folder

mtk mutex is used by DRM and MDP driver, and its function is SoC-specific,
so move it to soc folder.

With that fixed,

Reviewed-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>

Thanks,
Enric

> drivers/soc/mediatek/mmsys/Makefile | 2 +
> drivers/soc/mediatek/mmsys/mtk-mmsys.c | 373 +++++++++++++++++++++++++++++++++
> drivers/soc/mediatek/mtk-mmsys.c | 373 ---------------------------------
> 4 files changed, 376 insertions(+), 374 deletions(-)
> create mode 100644 drivers/soc/mediatek/mmsys/Makefile
> create mode 100644 drivers/soc/mediatek/mmsys/mtk-mmsys.c
> delete mode 100644 drivers/soc/mediatek/mtk-mmsys.c
>
> diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile
> index b6908db..eca9774 100644
> --- a/drivers/soc/mediatek/Makefile
> +++ b/drivers/soc/mediatek/Makefile
> @@ -5,4 +5,4 @@ obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o
> obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o
> obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
> obj-$(CONFIG_MTK_SCPSYS_PM_DOMAINS) += mtk-pm-domains.o
> -obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
> +obj-$(CONFIG_MTK_MMSYS) += mmsys/
> diff --git a/drivers/soc/mediatek/mmsys/Makefile b/drivers/soc/mediatek/mmsys/Makefile
> new file mode 100644
> index 0000000..f44eadc
> --- /dev/null
> +++ b/drivers/soc/mediatek/mmsys/Makefile
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
> diff --git a/drivers/soc/mediatek/mmsys/mtk-mmsys.c b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
> new file mode 100644
> index 0000000..18f9397
> --- /dev/null
> +++ b/drivers/soc/mediatek/mmsys/mtk-mmsys.c
> @@ -0,0 +1,373 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2014 MediaTek Inc.
> + * Author: James Liao <jamesjj.liao@xxxxxxxxxxxx>
> + */
> +
> +#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_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040
> +#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044
> +#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048
> +#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c
> +#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050
> +#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084
> +#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088
> +#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4
> +#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8
> +#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac
> +#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8
> +#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4
> +#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8
> +#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100
> +
> +#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030
> +#define DISP_REG_CONFIG_OUT_SEL 0x04c
> +#define DISP_REG_CONFIG_DSI_SEL 0x050
> +#define DISP_REG_CONFIG_DPI_SEL 0x064
> +
> +#define OVL0_MOUT_EN_COLOR0 0x1
> +#define OD_MOUT_EN_RDMA0 0x1
> +#define OD1_MOUT_EN_RDMA1 BIT(16)
> +#define UFOE_MOUT_EN_DSI0 0x1
> +#define COLOR0_SEL_IN_OVL0 0x1
> +#define OVL1_MOUT_EN_COLOR1 0x1
> +#define GAMMA_MOUT_EN_RDMA1 0x1
> +#define RDMA0_SOUT_DPI0 0x2
> +#define RDMA0_SOUT_DPI1 0x3
> +#define RDMA0_SOUT_DSI1 0x1
> +#define RDMA0_SOUT_DSI2 0x4
> +#define RDMA0_SOUT_DSI3 0x5
> +#define RDMA1_SOUT_DPI0 0x2
> +#define RDMA1_SOUT_DPI1 0x3
> +#define RDMA1_SOUT_DSI1 0x1
> +#define RDMA1_SOUT_DSI2 0x4
> +#define RDMA1_SOUT_DSI3 0x5
> +#define RDMA2_SOUT_DPI0 0x2
> +#define RDMA2_SOUT_DPI1 0x3
> +#define RDMA2_SOUT_DSI1 0x1
> +#define RDMA2_SOUT_DSI2 0x4
> +#define RDMA2_SOUT_DSI3 0x5
> +#define DPI0_SEL_IN_RDMA1 0x1
> +#define DPI0_SEL_IN_RDMA2 0x3
> +#define DPI1_SEL_IN_RDMA1 (0x1 << 8)
> +#define DPI1_SEL_IN_RDMA2 (0x3 << 8)
> +#define DSI0_SEL_IN_RDMA1 0x1
> +#define DSI0_SEL_IN_RDMA2 0x4
> +#define DSI1_SEL_IN_RDMA1 0x1
> +#define DSI1_SEL_IN_RDMA2 0x4
> +#define DSI2_SEL_IN_RDMA1 (0x1 << 16)
> +#define DSI2_SEL_IN_RDMA2 (0x4 << 16)
> +#define DSI3_SEL_IN_RDMA1 (0x1 << 16)
> +#define DSI3_SEL_IN_RDMA2 (0x4 << 16)
> +#define COLOR1_SEL_IN_OVL1 0x1
> +
> +#define OVL_MOUT_EN_RDMA 0x1
> +#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8
> +#define BLS_TO_DPI_RDMA1_TO_DSI 0x2
> +#define DSI_SEL_IN_BLS 0x0
> +#define DPI_SEL_IN_BLS 0x0
> +#define DSI_SEL_IN_RDMA 0x1
> +
> +struct mtk_mmsys_driver_data {
> + const char *clk_driver;
> +};
> +
> +static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
> + .clk_driver = "clk-mt2701-mm",
> +};
> +
> +static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> + .clk_driver = "clk-mt2712-mm",
> +};
> +
> +static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
> + .clk_driver = "clk-mt6779-mm",
> +};
> +
> +static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
> + .clk_driver = "clk-mt6797-mm",
> +};
> +
> +static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
> + .clk_driver = "clk-mt8173-mm",
> +};
> +
> +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> + .clk_driver = "clk-mt8183-mm",
> +};
> +
> +static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
> + enum mtk_ddp_comp_id next,
> + unsigned int *addr)
> +{
> + unsigned int value;
> +
> + if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
> + *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
> + value = OVL0_MOUT_EN_COLOR0;
> + } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
> + *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
> + value = OVL_MOUT_EN_RDMA;
> + } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
> + *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
> + value = OD_MOUT_EN_RDMA0;
> + } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
> + *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
> + value = UFOE_MOUT_EN_DSI0;
> + } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
> + *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
> + value = OVL1_MOUT_EN_COLOR1;
> + } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) {
> + *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
> + value = GAMMA_MOUT_EN_RDMA1;
> + } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
> + *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
> + value = OD1_MOUT_EN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> + value = RDMA0_SOUT_DPI0;
> + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> + value = RDMA0_SOUT_DPI1;
> + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> + value = RDMA0_SOUT_DSI1;
> + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> + value = RDMA0_SOUT_DSI2;
> + } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> + value = RDMA0_SOUT_DSI3;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> + value = RDMA1_SOUT_DSI1;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> + value = RDMA1_SOUT_DSI2;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> + value = RDMA1_SOUT_DSI3;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> + value = RDMA1_SOUT_DPI0;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> + value = RDMA1_SOUT_DPI1;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> + value = RDMA2_SOUT_DPI0;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> + value = RDMA2_SOUT_DPI1;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> + value = RDMA2_SOUT_DSI1;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> + value = RDMA2_SOUT_DSI2;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
> + *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> + value = RDMA2_SOUT_DSI3;
> + } else {
> + value = 0;
> + }
> +
> + return value;
> +}
> +
> +static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur,
> + enum mtk_ddp_comp_id next,
> + unsigned int *addr)
> +{
> + unsigned int value;
> +
> + if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
> + *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
> + value = COLOR0_SEL_IN_OVL0;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
> + *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> + value = DPI0_SEL_IN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> + *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> + value = DPI1_SEL_IN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
> + *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> + value = DSI0_SEL_IN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> + *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> + value = DSI1_SEL_IN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
> + *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> + value = DSI2_SEL_IN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
> + *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> + value = DSI3_SEL_IN_RDMA1;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
> + *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> + value = DPI0_SEL_IN_RDMA2;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
> + *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> + value = DPI1_SEL_IN_RDMA2;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) {
> + *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> + value = DSI0_SEL_IN_RDMA2;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
> + *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> + value = DSI1_SEL_IN_RDMA2;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
> + *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> + value = DSI2_SEL_IN_RDMA2;
> + } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
> + *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> + value = DSI3_SEL_IN_RDMA2;
> + } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
> + *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
> + value = COLOR1_SEL_IN_OVL1;
> + } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
> + *addr = DISP_REG_CONFIG_DSI_SEL;
> + value = DSI_SEL_IN_BLS;
> + } else {
> + value = 0;
> + }
> +
> + return value;
> +}
> +
> +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_BLS && next == DDP_COMPONENT_DSI0) {
> + writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
> + config_regs + DISP_REG_CONFIG_OUT_SEL);
> + } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
> + writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
> + config_regs + DISP_REG_CONFIG_OUT_SEL);
> + writel_relaxed(DSI_SEL_IN_RDMA,
> + config_regs + DISP_REG_CONFIG_DSI_SEL);
> + writel_relaxed(DPI_SEL_IN_BLS,
> + config_regs + DISP_REG_CONFIG_DPI_SEL);
> + }
> +}
> +
> +void mtk_mmsys_ddp_connect(struct device *dev,
> + enum mtk_ddp_comp_id cur,
> + enum mtk_ddp_comp_id next)
> +{
> + void __iomem *config_regs = dev_get_drvdata(dev);
> + unsigned int addr, value, reg;
> +
> + value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
> + if (value) {
> + reg = readl_relaxed(config_regs + addr) | value;
> + writel_relaxed(reg, config_regs + addr);
> + }
> +
> + mtk_mmsys_ddp_sout_sel(config_regs, cur, next);
> +
> + value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
> + if (value) {
> + reg = readl_relaxed(config_regs + addr) | value;
> + writel_relaxed(reg, config_regs + addr);
> + }
> +}
> +EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect);
> +
> +void mtk_mmsys_ddp_disconnect(struct device *dev,
> + enum mtk_ddp_comp_id cur,
> + enum mtk_ddp_comp_id next)
> +{
> + void __iomem *config_regs = dev_get_drvdata(dev);
> + unsigned int addr, value, reg;
> +
> + value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
> + if (value) {
> + reg = readl_relaxed(config_regs + addr) & ~value;
> + writel_relaxed(reg, config_regs + addr);
> + }
> +
> + value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
> + if (value) {
> + reg = readl_relaxed(config_regs + addr) & ~value;
> + writel_relaxed(reg, config_regs + addr);
> + }
> +}
> +EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
> +
> +static int mtk_mmsys_probe(struct platform_device *pdev)
> +{
> + const struct mtk_mmsys_driver_data *data;
> + struct device *dev = &pdev->dev;
> + struct platform_device *clks;
> + struct platform_device *drm;
> + void __iomem *config_regs;
> + int ret;
> +
> + config_regs = devm_platform_ioremap_resource(pdev, 0);
> + if (IS_ERR(config_regs)) {
> + ret = PTR_ERR(config_regs);
> + dev_err(dev, "Failed to ioremap mmsys registers: %d\n", ret);
> + return ret;
> + }
> +
> + platform_set_drvdata(pdev, config_regs);
> +
> + data = of_device_get_match_data(&pdev->dev);
> +
> + clks = platform_device_register_data(&pdev->dev, data->clk_driver,
> + PLATFORM_DEVID_AUTO, NULL, 0);
> + if (IS_ERR(clks))
> + return PTR_ERR(clks);
> +
> + drm = platform_device_register_data(&pdev->dev, "mediatek-drm",
> + PLATFORM_DEVID_AUTO, NULL, 0);
> + if (IS_ERR(drm)) {
> + platform_device_unregister(clks);
> + return PTR_ERR(drm);
> + }
> +
> + return 0;
> +}
> +
> +static const struct of_device_id of_match_mtk_mmsys[] = {
> + {
> + .compatible = "mediatek,mt2701-mmsys",
> + .data = &mt2701_mmsys_driver_data,
> + },
> + {
> + .compatible = "mediatek,mt2712-mmsys",
> + .data = &mt2712_mmsys_driver_data,
> + },
> + {
> + .compatible = "mediatek,mt6779-mmsys",
> + .data = &mt6779_mmsys_driver_data,
> + },
> + {
> + .compatible = "mediatek,mt6797-mmsys",
> + .data = &mt6797_mmsys_driver_data,
> + },
> + {
> + .compatible = "mediatek,mt8173-mmsys",
> + .data = &mt8173_mmsys_driver_data,
> + },
> + {
> + .compatible = "mediatek,mt8183-mmsys",
> + .data = &mt8183_mmsys_driver_data,
> + },
> + { }
> +};
> +
> +static struct platform_driver mtk_mmsys_drv = {
> + .driver = {
> + .name = "mtk-mmsys",
> + .of_match_table = of_match_mtk_mmsys,
> + },
> + .probe = mtk_mmsys_probe,
> +};
> +
> +builtin_platform_driver(mtk_mmsys_drv);
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> deleted file mode 100644
> index 18f9397..0000000
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ /dev/null
> @@ -1,373 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/*
> - * Copyright (c) 2014 MediaTek Inc.
> - * Author: James Liao <jamesjj.liao@xxxxxxxxxxxx>
> - */
> -
> -#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_REG_CONFIG_DISP_OVL0_MOUT_EN 0x040
> -#define DISP_REG_CONFIG_DISP_OVL1_MOUT_EN 0x044
> -#define DISP_REG_CONFIG_DISP_OD_MOUT_EN 0x048
> -#define DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN 0x04c
> -#define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN 0x050
> -#define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN 0x084
> -#define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN 0x088
> -#define DISP_REG_CONFIG_DSIE_SEL_IN 0x0a4
> -#define DISP_REG_CONFIG_DSIO_SEL_IN 0x0a8
> -#define DISP_REG_CONFIG_DPI_SEL_IN 0x0ac
> -#define DISP_REG_CONFIG_DISP_RDMA2_SOUT 0x0b8
> -#define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN 0x0c4
> -#define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN 0x0c8
> -#define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100
> -
> -#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030
> -#define DISP_REG_CONFIG_OUT_SEL 0x04c
> -#define DISP_REG_CONFIG_DSI_SEL 0x050
> -#define DISP_REG_CONFIG_DPI_SEL 0x064
> -
> -#define OVL0_MOUT_EN_COLOR0 0x1
> -#define OD_MOUT_EN_RDMA0 0x1
> -#define OD1_MOUT_EN_RDMA1 BIT(16)
> -#define UFOE_MOUT_EN_DSI0 0x1
> -#define COLOR0_SEL_IN_OVL0 0x1
> -#define OVL1_MOUT_EN_COLOR1 0x1
> -#define GAMMA_MOUT_EN_RDMA1 0x1
> -#define RDMA0_SOUT_DPI0 0x2
> -#define RDMA0_SOUT_DPI1 0x3
> -#define RDMA0_SOUT_DSI1 0x1
> -#define RDMA0_SOUT_DSI2 0x4
> -#define RDMA0_SOUT_DSI3 0x5
> -#define RDMA1_SOUT_DPI0 0x2
> -#define RDMA1_SOUT_DPI1 0x3
> -#define RDMA1_SOUT_DSI1 0x1
> -#define RDMA1_SOUT_DSI2 0x4
> -#define RDMA1_SOUT_DSI3 0x5
> -#define RDMA2_SOUT_DPI0 0x2
> -#define RDMA2_SOUT_DPI1 0x3
> -#define RDMA2_SOUT_DSI1 0x1
> -#define RDMA2_SOUT_DSI2 0x4
> -#define RDMA2_SOUT_DSI3 0x5
> -#define DPI0_SEL_IN_RDMA1 0x1
> -#define DPI0_SEL_IN_RDMA2 0x3
> -#define DPI1_SEL_IN_RDMA1 (0x1 << 8)
> -#define DPI1_SEL_IN_RDMA2 (0x3 << 8)
> -#define DSI0_SEL_IN_RDMA1 0x1
> -#define DSI0_SEL_IN_RDMA2 0x4
> -#define DSI1_SEL_IN_RDMA1 0x1
> -#define DSI1_SEL_IN_RDMA2 0x4
> -#define DSI2_SEL_IN_RDMA1 (0x1 << 16)
> -#define DSI2_SEL_IN_RDMA2 (0x4 << 16)
> -#define DSI3_SEL_IN_RDMA1 (0x1 << 16)
> -#define DSI3_SEL_IN_RDMA2 (0x4 << 16)
> -#define COLOR1_SEL_IN_OVL1 0x1
> -
> -#define OVL_MOUT_EN_RDMA 0x1
> -#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8
> -#define BLS_TO_DPI_RDMA1_TO_DSI 0x2
> -#define DSI_SEL_IN_BLS 0x0
> -#define DPI_SEL_IN_BLS 0x0
> -#define DSI_SEL_IN_RDMA 0x1
> -
> -struct mtk_mmsys_driver_data {
> - const char *clk_driver;
> -};
> -
> -static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
> - .clk_driver = "clk-mt2701-mm",
> -};
> -
> -static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> - .clk_driver = "clk-mt2712-mm",
> -};
> -
> -static const struct mtk_mmsys_driver_data mt6779_mmsys_driver_data = {
> - .clk_driver = "clk-mt6779-mm",
> -};
> -
> -static const struct mtk_mmsys_driver_data mt6797_mmsys_driver_data = {
> - .clk_driver = "clk-mt6797-mm",
> -};
> -
> -static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
> - .clk_driver = "clk-mt8173-mm",
> -};
> -
> -static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> - .clk_driver = "clk-mt8183-mm",
> -};
> -
> -static unsigned int mtk_mmsys_ddp_mout_en(enum mtk_ddp_comp_id cur,
> - enum mtk_ddp_comp_id next,
> - unsigned int *addr)
> -{
> - unsigned int value;
> -
> - if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
> - *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
> - value = OVL0_MOUT_EN_COLOR0;
> - } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
> - *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
> - value = OVL_MOUT_EN_RDMA;
> - } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
> - *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
> - value = OD_MOUT_EN_RDMA0;
> - } else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
> - *addr = DISP_REG_CONFIG_DISP_UFOE_MOUT_EN;
> - value = UFOE_MOUT_EN_DSI0;
> - } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
> - *addr = DISP_REG_CONFIG_DISP_OVL1_MOUT_EN;
> - value = OVL1_MOUT_EN_COLOR1;
> - } else if (cur == DDP_COMPONENT_GAMMA && next == DDP_COMPONENT_RDMA1) {
> - *addr = DISP_REG_CONFIG_DISP_GAMMA_MOUT_EN;
> - value = GAMMA_MOUT_EN_RDMA1;
> - } else if (cur == DDP_COMPONENT_OD1 && next == DDP_COMPONENT_RDMA1) {
> - *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
> - value = OD1_MOUT_EN_RDMA1;
> - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI0) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> - value = RDMA0_SOUT_DPI0;
> - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DPI1) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> - value = RDMA0_SOUT_DPI1;
> - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI1) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> - value = RDMA0_SOUT_DSI1;
> - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI2) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> - value = RDMA0_SOUT_DSI2;
> - } else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
> - value = RDMA0_SOUT_DSI3;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> - value = RDMA1_SOUT_DSI1;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> - value = RDMA1_SOUT_DSI2;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> - value = RDMA1_SOUT_DSI3;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> - value = RDMA1_SOUT_DPI0;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> - value = RDMA1_SOUT_DPI1;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> - value = RDMA2_SOUT_DPI0;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> - value = RDMA2_SOUT_DPI1;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> - value = RDMA2_SOUT_DSI1;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> - value = RDMA2_SOUT_DSI2;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA2_SOUT;
> - value = RDMA2_SOUT_DSI3;
> - } else {
> - value = 0;
> - }
> -
> - return value;
> -}
> -
> -static unsigned int mtk_mmsys_ddp_sel_in(enum mtk_ddp_comp_id cur,
> - enum mtk_ddp_comp_id next,
> - unsigned int *addr)
> -{
> - unsigned int value;
> -
> - if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
> - *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
> - value = COLOR0_SEL_IN_OVL0;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
> - *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> - value = DPI0_SEL_IN_RDMA1;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> - *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> - value = DPI1_SEL_IN_RDMA1;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
> - *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> - value = DSI0_SEL_IN_RDMA1;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> - *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> - value = DSI1_SEL_IN_RDMA1;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI2) {
> - *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> - value = DSI2_SEL_IN_RDMA1;
> - } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI3) {
> - *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> - value = DSI3_SEL_IN_RDMA1;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI0) {
> - *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> - value = DPI0_SEL_IN_RDMA2;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DPI1) {
> - *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> - value = DPI1_SEL_IN_RDMA2;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI0) {
> - *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> - value = DSI0_SEL_IN_RDMA2;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI1) {
> - *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> - value = DSI1_SEL_IN_RDMA2;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI2) {
> - *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> - value = DSI2_SEL_IN_RDMA2;
> - } else if (cur == DDP_COMPONENT_RDMA2 && next == DDP_COMPONENT_DSI3) {
> - *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> - value = DSI3_SEL_IN_RDMA2;
> - } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
> - *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
> - value = COLOR1_SEL_IN_OVL1;
> - } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
> - *addr = DISP_REG_CONFIG_DSI_SEL;
> - value = DSI_SEL_IN_BLS;
> - } else {
> - value = 0;
> - }
> -
> - return value;
> -}
> -
> -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_BLS && next == DDP_COMPONENT_DSI0) {
> - writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1,
> - config_regs + DISP_REG_CONFIG_OUT_SEL);
> - } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
> - writel_relaxed(BLS_TO_DPI_RDMA1_TO_DSI,
> - config_regs + DISP_REG_CONFIG_OUT_SEL);
> - writel_relaxed(DSI_SEL_IN_RDMA,
> - config_regs + DISP_REG_CONFIG_DSI_SEL);
> - writel_relaxed(DPI_SEL_IN_BLS,
> - config_regs + DISP_REG_CONFIG_DPI_SEL);
> - }
> -}
> -
> -void mtk_mmsys_ddp_connect(struct device *dev,
> - enum mtk_ddp_comp_id cur,
> - enum mtk_ddp_comp_id next)
> -{
> - void __iomem *config_regs = dev_get_drvdata(dev);
> - unsigned int addr, value, reg;
> -
> - value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
> - if (value) {
> - reg = readl_relaxed(config_regs + addr) | value;
> - writel_relaxed(reg, config_regs + addr);
> - }
> -
> - mtk_mmsys_ddp_sout_sel(config_regs, cur, next);
> -
> - value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
> - if (value) {
> - reg = readl_relaxed(config_regs + addr) | value;
> - writel_relaxed(reg, config_regs + addr);
> - }
> -}
> -EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect);
> -
> -void mtk_mmsys_ddp_disconnect(struct device *dev,
> - enum mtk_ddp_comp_id cur,
> - enum mtk_ddp_comp_id next)
> -{
> - void __iomem *config_regs = dev_get_drvdata(dev);
> - unsigned int addr, value, reg;
> -
> - value = mtk_mmsys_ddp_mout_en(cur, next, &addr);
> - if (value) {
> - reg = readl_relaxed(config_regs + addr) & ~value;
> - writel_relaxed(reg, config_regs + addr);
> - }
> -
> - value = mtk_mmsys_ddp_sel_in(cur, next, &addr);
> - if (value) {
> - reg = readl_relaxed(config_regs + addr) & ~value;
> - writel_relaxed(reg, config_regs + addr);
> - }
> -}
> -EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
> -
> -static int mtk_mmsys_probe(struct platform_device *pdev)
> -{
> - const struct mtk_mmsys_driver_data *data;
> - struct device *dev = &pdev->dev;
> - struct platform_device *clks;
> - struct platform_device *drm;
> - void __iomem *config_regs;
> - int ret;
> -
> - config_regs = devm_platform_ioremap_resource(pdev, 0);
> - if (IS_ERR(config_regs)) {
> - ret = PTR_ERR(config_regs);
> - dev_err(dev, "Failed to ioremap mmsys registers: %d\n", ret);
> - return ret;
> - }
> -
> - platform_set_drvdata(pdev, config_regs);
> -
> - data = of_device_get_match_data(&pdev->dev);
> -
> - clks = platform_device_register_data(&pdev->dev, data->clk_driver,
> - PLATFORM_DEVID_AUTO, NULL, 0);
> - if (IS_ERR(clks))
> - return PTR_ERR(clks);
> -
> - drm = platform_device_register_data(&pdev->dev, "mediatek-drm",
> - PLATFORM_DEVID_AUTO, NULL, 0);
> - if (IS_ERR(drm)) {
> - platform_device_unregister(clks);
> - return PTR_ERR(drm);
> - }
> -
> - return 0;
> -}
> -
> -static const struct of_device_id of_match_mtk_mmsys[] = {
> - {
> - .compatible = "mediatek,mt2701-mmsys",
> - .data = &mt2701_mmsys_driver_data,
> - },
> - {
> - .compatible = "mediatek,mt2712-mmsys",
> - .data = &mt2712_mmsys_driver_data,
> - },
> - {
> - .compatible = "mediatek,mt6779-mmsys",
> - .data = &mt6779_mmsys_driver_data,
> - },
> - {
> - .compatible = "mediatek,mt6797-mmsys",
> - .data = &mt6797_mmsys_driver_data,
> - },
> - {
> - .compatible = "mediatek,mt8173-mmsys",
> - .data = &mt8173_mmsys_driver_data,
> - },
> - {
> - .compatible = "mediatek,mt8183-mmsys",
> - .data = &mt8183_mmsys_driver_data,
> - },
> - { }
> -};
> -
> -static struct platform_driver mtk_mmsys_drv = {
> - .driver = {
> - .name = "mtk-mmsys",
> - .of_match_table = of_match_mtk_mmsys,
> - },
> - .probe = mtk_mmsys_probe,
> -};
> -
> -builtin_platform_driver(mtk_mmsys_drv);
> --
> 1.8.1.1.dirty
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