From: Yongqiang Niu yongqiang.niu@mediatek.com
Separate postmask from mtk_disp_drv to be a isolated driver.
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com Signed-off-by: Rex-BC Chen rex-bc.chen@mediatek.com --- drivers/gpu/drm/mediatek/Makefile | 1 + drivers/gpu/drm/mediatek/mtk_disp_drv.h | 8 + drivers/gpu/drm/mediatek/mtk_disp_postmask.c | 155 +++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 36 +---- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 + drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 + 6 files changed, 170 insertions(+), 33 deletions(-) create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_postmask.c
diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index 29098d7c8307..f26fe646ee2a 100644 --- a/drivers/gpu/drm/mediatek/Makefile +++ b/drivers/gpu/drm/mediatek/Makefile @@ -5,6 +5,7 @@ mediatek-drm-y := mtk_disp_aal.o \ mtk_disp_color.o \ mtk_disp_gamma.o \ mtk_disp_ovl.o \ + mtk_disp_postmask.o \ mtk_disp_rdma.o \ mtk_drm_crtc.o \ mtk_drm_ddp_comp.o \ diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 86c3068894b1..f4c21195c3ea 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -81,6 +81,14 @@ void mtk_ovl_enable_vblank(struct device *dev, void *vblank_cb_data); void mtk_ovl_disable_vblank(struct device *dev);
+int mtk_postmask_clk_enable(struct device *dev); +void mtk_postmask_clk_disable(struct device *dev); +void mtk_postmask_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +void mtk_postmask_start(struct device *dev); +void mtk_postmask_stop(struct device *dev); + void mtk_rdma_bypass_shadow(struct device *dev); int mtk_rdma_clk_enable(struct device *dev); void mtk_rdma_clk_disable(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_postmask.c b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c new file mode 100644 index 000000000000..3af4cc38adb1 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c @@ -0,0 +1,155 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + */ + +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/soc/mediatek/mtk-cmdq.h> + +#include "mtk_disp_drv.h" +#include "mtk_drm_crtc.h" +#include "mtk_drm_ddp_comp.h" + +#define DISP_POSTMASK_EN 0x0000 +#define POSTMASK_EN BIT(0) +#define DISP_POSTMASK_CFG 0x0020 +#define POSTMASK_RELAY_MODE BIT(0) +#define DISP_POSTMASK_SIZE 0x0030 + +struct mtk_disp_postmask_data { + u32 reserved; +}; + +/* + * struct mtk_disp_postmask - DISP_POSTMASK driver structure + */ +struct mtk_disp_postmask { + struct clk *clk; + void __iomem *regs; + struct cmdq_client_reg cmdq_reg; + const struct mtk_disp_postmask_data *data; +}; + +int mtk_postmask_clk_enable(struct device *dev) +{ + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); + + return clk_prepare_enable(postmask->clk); +} + +void mtk_postmask_clk_disable(struct device *dev) +{ + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); + + clk_disable_unprepare(postmask->clk); +} + +void mtk_postmask_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); + + mtk_ddp_write(cmdq_pkt, w << 16 | h, &postmask->cmdq_reg, postmask->regs, + DISP_POSTMASK_SIZE); + mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &postmask->cmdq_reg, + postmask->regs, DISP_POSTMASK_CFG); +} + +void mtk_postmask_start(struct device *dev) +{ + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); + + writel(POSTMASK_EN, postmask->regs + DISP_POSTMASK_EN); +} + +void mtk_postmask_stop(struct device *dev) +{ + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); + + writel_relaxed(0x0, postmask->regs + DISP_POSTMASK_EN); +} + +static int mtk_disp_postmask_bind(struct device *dev, struct device *master, + void *data) +{ + return 0; +} + +static void mtk_disp_postmask_unbind(struct device *dev, struct device *master, + void *data) +{ +} + +static const struct component_ops mtk_disp_postmask_component_ops = { + .bind = mtk_disp_postmask_bind, + .unbind = mtk_disp_postmask_unbind, +}; + +static int mtk_disp_postmask_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct mtk_disp_postmask *priv; + struct resource *res; + int ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->clk = devm_clk_get(dev, NULL); + if (IS_ERR(priv->clk)) { + dev_err(dev, "failed to get postmask clk\n"); + return PTR_ERR(priv->clk); + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->regs = devm_ioremap_resource(dev, res); + if (IS_ERR(priv->regs)) { + dev_err(dev, "failed to ioremap postmask\n"); + return PTR_ERR(priv->regs); + } + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0); + if (ret) + dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); +#endif + + priv->data = of_device_get_match_data(dev); + platform_set_drvdata(pdev, priv); + + ret = component_add(dev, &mtk_disp_postmask_component_ops); + if (ret) + dev_err(dev, "Failed to add component: %d\n", ret); + + return ret; +} + +static int mtk_disp_postmask_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &mtk_disp_postmask_component_ops); + + return 0; +} + +static const struct of_device_id mtk_disp_postmask_driver_dt_match[] = { + { .compatible = "mediatek,mt8192-disp-postmask"}, + {}, +}; +MODULE_DEVICE_TABLE(of, mtk_disp_postmask_driver_dt_match); + +struct platform_driver mtk_disp_postmask_driver = { + .probe = mtk_disp_postmask_probe, + .remove = mtk_disp_postmask_remove, + .driver = { + .name = "mediatek-disp-postmask", + .owner = THIS_MODULE, + .of_match_table = mtk_disp_postmask_driver_dt_match, + }, +}; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index b4b682bc1991..184b70b2483e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -45,12 +45,6 @@ #define OD_RELAYMODE BIT(0) #define DISP_REG_OD_SIZE 0x0030
-#define DISP_REG_POSTMASK_EN 0x0000 -#define POSTMASK_EN BIT(0) -#define DISP_REG_POSTMASK_CFG 0x0020 -#define POSTMASK_RELAY_MODE BIT(0) -#define DISP_REG_POSTMASK_SIZE 0x0030 - #define DISP_REG_UFO_START 0x0000 #define UFO_BYPASS BIT(2)
@@ -199,31 +193,6 @@ static void mtk_od_start(struct device *dev) writel(1, priv->regs + DISP_REG_OD_EN); }
-static void mtk_postmask_config(struct device *dev, unsigned int w, - unsigned int h, unsigned int vrefresh, - unsigned int bpc, struct cmdq_pkt *cmdq_pkt) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, - DISP_REG_POSTMASK_SIZE); - mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &priv->cmdq_reg, - priv->regs, DISP_REG_POSTMASK_CFG); -} - -static void mtk_postmask_start(struct device *dev) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - writel(POSTMASK_EN, priv->regs + DISP_REG_POSTMASK_EN); -} - -static void mtk_postmask_stop(struct device *dev) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); - - writel_relaxed(0x0, priv->regs + DISP_REG_POSTMASK_EN); -}
static void mtk_ufoe_start(struct device *dev) { @@ -308,8 +277,8 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = { };
static const struct mtk_ddp_comp_funcs ddp_postmask = { - .clk_enable = mtk_ddp_clk_enable, - .clk_disable = mtk_ddp_clk_disable, + .clk_enable = mtk_postmask_clk_enable, + .clk_disable = mtk_postmask_clk_disable, .config = mtk_postmask_config, .start = mtk_postmask_start, .stop = mtk_postmask_stop, @@ -510,6 +479,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, type == MTK_DISP_GAMMA || type == MTK_DISP_OVL || type == MTK_DISP_OVL_2L || + type == MTK_DISP_POSTMASK || type == MTK_DISP_PWM || type == MTK_DISP_RDMA || type == MTK_DPI || diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 56ff8c57ef8f..6efb423ccc92 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -609,6 +609,7 @@ static int mtk_drm_probe(struct platform_device *pdev) comp_type == MTK_DISP_GAMMA || comp_type == MTK_DISP_OVL || comp_type == MTK_DISP_OVL_2L || + comp_type == MTK_DISP_POSTMASK || comp_type == MTK_DISP_RDMA || comp_type == MTK_DPI || comp_type == MTK_DSI) { @@ -709,6 +710,7 @@ static struct platform_driver * const mtk_drm_drivers[] = { &mtk_disp_color_driver, &mtk_disp_gamma_driver, &mtk_disp_ovl_driver, + &mtk_disp_postmask_driver, &mtk_disp_rdma_driver, &mtk_dpi_driver, &mtk_drm_platform_driver, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 3e7d1e6fbe01..c1e676aebe57 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -51,6 +51,7 @@ extern struct platform_driver mtk_disp_ccorr_driver; extern struct platform_driver mtk_disp_color_driver; extern struct platform_driver mtk_disp_gamma_driver; extern struct platform_driver mtk_disp_ovl_driver; +extern struct platform_driver mtk_disp_postmask_driver; extern struct platform_driver mtk_disp_rdma_driver; extern struct platform_driver mtk_dpi_driver; extern struct platform_driver mtk_dsi_driver;