diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_disp_rdma.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 94 |
1 files changed, 59 insertions, 35 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index a5a0c3bac35d..c9d41d75e7f2 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -8,15 +8,14 @@ #include <linux/clk.h> #include <linux/component.h> #include <linux/module.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/soc/mediatek/mtk-cmdq.h> +#include "mtk_crtc.h" +#include "mtk_ddp_comp.h" #include "mtk_disp_drv.h" -#include "mtk_drm_crtc.h" -#include "mtk_drm_ddp_comp.h" #include "mtk_drm_drv.h" #define DISP_REG_RDMA_INT_ENABLE 0x0000 @@ -55,8 +54,24 @@ #define RDMA_MEM_GMC 0x40402020 +static const u32 mt8173_formats[] = { + DRM_FORMAT_XRGB8888, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_BGRX8888, + DRM_FORMAT_BGRA8888, + DRM_FORMAT_ABGR8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, + DRM_FORMAT_RGB565, + DRM_FORMAT_UYVY, + DRM_FORMAT_YUYV, +}; + struct mtk_disp_rdma_data { unsigned int fifo_size; + const u32 *formats; + size_t num_formats; }; /* @@ -127,6 +142,20 @@ void mtk_rdma_disable_vblank(struct device *dev) rdma_update_bits(dev, DISP_REG_RDMA_INT_ENABLE, RDMA_FRAME_END_INT, 0); } +const u32 *mtk_rdma_get_formats(struct device *dev) +{ + struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); + + return rdma->data->formats; +} + +size_t mtk_rdma_get_num_formats(struct device *dev) +{ + struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); + + return rdma->data->num_formats; +} + int mtk_rdma_clk_enable(struct device *dev) { struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); @@ -284,7 +313,6 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mtk_disp_rdma *priv; - struct resource *res; int irq; int ret; @@ -297,32 +325,25 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) return irq; priv->clk = devm_clk_get(dev, NULL); - if (IS_ERR(priv->clk)) { - dev_err(dev, "failed to get rdma 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 rdma\n"); - return PTR_ERR(priv->regs); - } + if (IS_ERR(priv->clk)) + return dev_err_probe(dev, PTR_ERR(priv->clk), + "failed to get rdma clk\n"); + + priv->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->regs)) + return dev_err_probe(dev, PTR_ERR(priv->regs), + "failed to ioremap rdma\n"); #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 - if (of_find_property(dev->of_node, "mediatek,rdma-fifo-size", &ret)) { - ret = of_property_read_u32(dev->of_node, - "mediatek,rdma-fifo-size", - &priv->fifo_size); - if (ret) { - dev_err(dev, "Failed to get rdma fifo size\n"); - return ret; - } - } + ret = of_property_read_u32(dev->of_node, + "mediatek,rdma-fifo-size", + &priv->fifo_size); + if (ret && (ret != -EINVAL)) + return dev_err_probe(dev, ret, "Failed to get rdma fifo size\n"); /* Disable and clear pending interrupts */ writel(0x0, priv->regs + DISP_REG_RDMA_INT_ENABLE); @@ -330,10 +351,8 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) ret = devm_request_irq(dev, irq, mtk_disp_rdma_irq_handler, IRQF_TRIGGER_NONE, dev_name(dev), priv); - if (ret < 0) { - dev_err(dev, "Failed to request irq %d: %d\n", irq, ret); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to request irq %d\n", irq); priv->data = of_device_get_match_data(dev); @@ -344,35 +363,41 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) ret = component_add(dev, &mtk_disp_rdma_component_ops); if (ret) { pm_runtime_disable(dev); - dev_err(dev, "Failed to add component: %d\n", ret); + return dev_err_probe(dev, ret, "Failed to add component\n"); } - return ret; + return 0; } -static int mtk_disp_rdma_remove(struct platform_device *pdev) +static void mtk_disp_rdma_remove(struct platform_device *pdev) { component_del(&pdev->dev, &mtk_disp_rdma_component_ops); pm_runtime_disable(&pdev->dev); - - return 0; } static const struct mtk_disp_rdma_data mt2701_rdma_driver_data = { .fifo_size = SZ_4K, + .formats = mt8173_formats, + .num_formats = ARRAY_SIZE(mt8173_formats), }; static const struct mtk_disp_rdma_data mt8173_rdma_driver_data = { .fifo_size = SZ_8K, + .formats = mt8173_formats, + .num_formats = ARRAY_SIZE(mt8173_formats), }; static const struct mtk_disp_rdma_data mt8183_rdma_driver_data = { .fifo_size = 5 * SZ_1K, + .formats = mt8173_formats, + .num_formats = ARRAY_SIZE(mt8173_formats), }; static const struct mtk_disp_rdma_data mt8195_rdma_driver_data = { .fifo_size = 1920, + .formats = mt8173_formats, + .num_formats = ARRAY_SIZE(mt8173_formats), }; static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = { @@ -393,7 +418,6 @@ struct platform_driver mtk_disp_rdma_driver = { .remove = mtk_disp_rdma_remove, .driver = { .name = "mediatek-disp-rdma", - .owner = THIS_MODULE, .of_match_table = mtk_disp_rdma_driver_dt_match, }, }; |
