From patchwork Thu May 12 05:31:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?TmFuY3kgTGluICjmnpfmrKPonqIp?= X-Patchwork-Id: 12847129 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5D55DC433F5 for ; Thu, 12 May 2022 05:48:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wa4c1PcsFksO98M81RJshkVBnYKXBT2J5tGMMD7ed4A=; b=LJNXR3t5N2EAPA uARQ1sBbzPYZ09F1i1PY1vsovAm4u4ucno5NhNsnmgNFbkG7A2XDEjcQlI/kQxw+w5rq7jYyU5sKu h/9bpaMHi1f2ghU3qJd7+wIWBCtgv7CasWElBCDY1N84uyntKv7BoOc/j1kej8PApMFAepJGikils 7/NmTijrRwicbxilUEA+70HqlLgjaFEPrg0EuOsWD/v+xS+njZDfVNOIkfext+e6rKdOnCyGijDxH D0sxKbdIdfFbqpaRqB/rKRchuPOy4dDBV8AP5uj+oWy+hTSKmASsOliWG8/VwMiWA0jT3IOC38gMT 0cnjI8yYMESXYgKgGzIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1np1fU-00AEHh-9f; Thu, 12 May 2022 05:47:20 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1np1aB-00ABKF-Ur; Thu, 12 May 2022 05:41:55 +0000 X-UUID: 78583ea379cb4b8f9325d1304e4beab4-20220511 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:6fc507fa-f7f9-4ead-87c7-26ccd3455ed3, OB:0, LO B:0,IP:0,URL:5,TC:0,Content:-20,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,AC TION:release,TS:-15 X-CID-META: VersionHash:faefae9, CLOUDID:566c5348-e22d-4f1a-9d3f-55c4a2b00ea4, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: 78583ea379cb4b8f9325d1304e4beab4-20220511 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 966007804; Wed, 11 May 2022 22:41:41 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 11 May 2022 22:31:40 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 12 May 2022 13:31:37 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 12 May 2022 13:31:37 +0800 From: Nancy.Lin To: Rob Herring , Matthias Brugger , Chun-Kuang Hu , "Philipp Zabel" , , "AngeloGioacchino Del Regno" , CC: David Airlie , Daniel Vetter , "Nathan Chancellor" , Nick Desaulniers , "Nancy . Lin" , "jason-jh . lin" , Yongqiang Niu , , , , , , , , Subject: [PATCH v21 13/25] drm/mediatek: add display MDP RDMA support for MT8195 Date: Thu, 12 May 2022 13:31:16 +0800 Message-ID: <20220512053128.31415-14-nancy.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220512053128.31415-1-nancy.lin@mediatek.com> References: <20220512053128.31415-1-nancy.lin@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220511_224152_130647_EBD41513 X-CRM114-Status: GOOD ( 24.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add MDP_RDMA driver for MT8195. MDP_RDMA is the DMA engine of the ovl_adaptor component. Signed-off-by: Nancy.Lin Reviewed-by: Chun-Kuang Hu Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/Makefile | 3 +- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 7 + drivers/gpu/drm/mediatek/mtk_drm_drv.c | 1 + drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 + drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 315 ++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_mdp_rdma.h | 20 ++ 6 files changed, 346 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/mediatek/mtk_mdp_rdma.c create mode 100644 drivers/gpu/drm/mediatek/mtk_mdp_rdma.h diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index a38e88e82d12..6e604a933ed0 100644 --- a/drivers/gpu/drm/mediatek/Makefile +++ b/drivers/gpu/drm/mediatek/Makefile @@ -13,7 +13,8 @@ mediatek-drm-y := mtk_disp_aal.o \ mtk_drm_gem.o \ mtk_drm_plane.o \ mtk_dsi.o \ - mtk_dpi.o + mtk_dpi.o \ + mtk_mdp_rdma.o obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 24ca05f301ce..bb91518cdc93 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -8,6 +8,7 @@ #include #include "mtk_drm_plane.h" +#include "mtk_mdp_rdma.h" int mtk_aal_clk_enable(struct device *dev); void mtk_aal_clk_disable(struct device *dev); @@ -110,4 +111,10 @@ void mtk_rdma_unregister_vblank_cb(struct device *dev); void mtk_rdma_enable_vblank(struct device *dev); void mtk_rdma_disable_vblank(struct device *dev); +int mtk_mdp_rdma_clk_enable(struct device *dev); +void mtk_mdp_rdma_clk_disable(struct device *dev); +void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt); +void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt); +void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg, + struct cmdq_pkt *cmdq_pkt); #endif diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index f7c4fa10a235..aff079c06833 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -835,6 +835,7 @@ static struct platform_driver * const mtk_drm_drivers[] = { &mtk_dpi_driver, &mtk_drm_platform_driver, &mtk_dsi_driver, + &mtk_mdp_rdma_driver, }; static int __init mtk_drm_init(void) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 9fc922b1684f..7b37b5cf9629 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -61,5 +61,6 @@ extern struct platform_driver mtk_disp_ovl_driver; extern struct platform_driver mtk_disp_rdma_driver; extern struct platform_driver mtk_dpi_driver; extern struct platform_driver mtk_dsi_driver; +extern struct platform_driver mtk_mdp_rdma_driver; #endif /* MTK_DRM_DRV_H */ diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c new file mode 100644 index 000000000000..eecfa98ff52e --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c @@ -0,0 +1,315 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "mtk_disp_drv.h" +#include "mtk_drm_drv.h" +#include "mtk_mdp_rdma.h" + +#define MDP_RDMA_EN 0x000 +#define FLD_ROT_ENABLE BIT(0) +#define MDP_RDMA_RESET 0x008 +#define MDP_RDMA_CON 0x020 +#define FLD_OUTPUT_10B BIT(5) +#define FLD_SIMPLE_MODE BIT(4) +#define MDP_RDMA_GMCIF_CON 0x028 +#define FLD_COMMAND_DIV BIT(0) +#define FLD_EXT_PREULTRA_EN BIT(3) +#define FLD_RD_REQ_TYPE GENMASK(7, 4) +#define VAL_RD_REQ_TYPE_BURST_8_ACCESS 7 +#define FLD_ULTRA_EN GENMASK(13, 12) +#define VAL_ULTRA_EN_ENABLE 1 +#define FLD_PRE_ULTRA_EN GENMASK(17, 16) +#define VAL_PRE_ULTRA_EN_ENABLE 1 +#define FLD_EXT_ULTRA_EN BIT(18) +#define MDP_RDMA_SRC_CON 0x030 +#define FLD_OUTPUT_ARGB BIT(25) +#define FLD_BIT_NUMBER GENMASK(19, 18) +#define FLD_SWAP BIT(14) +#define FLD_UNIFORM_CONFIG BIT(17) +#define RDMA_INPUT_10BIT BIT(18) +#define FLD_SRC_FORMAT GENMASK(3, 0) +#define MDP_RDMA_COMP_CON 0x038 +#define FLD_AFBC_EN BIT(22) +#define FLD_AFBC_YUV_TRANSFORM BIT(21) +#define FLD_UFBDC_EN BIT(12) +#define MDP_RDMA_MF_BKGD_SIZE_IN_BYTE 0x060 +#define FLD_MF_BKGD_WB GENMASK(22, 0) +#define MDP_RDMA_MF_SRC_SIZE 0x070 +#define FLD_MF_SRC_H GENMASK(30, 16) +#define FLD_MF_SRC_W GENMASK(14, 0) +#define MDP_RDMA_MF_CLIP_SIZE 0x078 +#define FLD_MF_CLIP_H GENMASK(30, 16) +#define FLD_MF_CLIP_W GENMASK(14, 0) +#define MDP_RDMA_SRC_OFFSET_0 0x118 +#define FLD_SRC_OFFSET_0 GENMASK(31, 0) +#define MDP_RDMA_TRANSFORM_0 0x200 +#define FLD_INT_MATRIX_SEL GENMASK(27, 23) +#define FLD_TRANS_EN BIT(16) +#define MDP_RDMA_SRC_BASE_0 0xf00 +#define FLD_SRC_BASE_0 GENMASK(31, 0) + +#define RDMA_CSC_FULL709_TO_RGB 5 +#define RDMA_CSC_BT601_TO_RGB 6 + +enum rdma_format { + RDMA_INPUT_FORMAT_RGB565 = 0, + RDMA_INPUT_FORMAT_RGB888 = 1, + RDMA_INPUT_FORMAT_RGBA8888 = 2, + RDMA_INPUT_FORMAT_ARGB8888 = 3, + RDMA_INPUT_FORMAT_UYVY = 4, + RDMA_INPUT_FORMAT_YUY2 = 5, + RDMA_INPUT_FORMAT_Y8 = 7, + RDMA_INPUT_FORMAT_YV12 = 8, + RDMA_INPUT_FORMAT_UYVY_3PL = 9, + RDMA_INPUT_FORMAT_NV12 = 12, + RDMA_INPUT_FORMAT_UYVY_2PL = 13, + RDMA_INPUT_FORMAT_Y410 = 14 +}; + +struct mtk_mdp_rdma { + void __iomem *regs; + struct clk *clk; + struct cmdq_client_reg cmdq_reg; +}; + +static unsigned int rdma_fmt_convert(unsigned int fmt) +{ + switch (fmt) { + default: + case DRM_FORMAT_RGB565: + return RDMA_INPUT_FORMAT_RGB565; + case DRM_FORMAT_BGR565: + return RDMA_INPUT_FORMAT_RGB565 | FLD_SWAP; + case DRM_FORMAT_RGB888: + return RDMA_INPUT_FORMAT_RGB888; + case DRM_FORMAT_BGR888: + return RDMA_INPUT_FORMAT_RGB888 | FLD_SWAP; + case DRM_FORMAT_RGBX8888: + case DRM_FORMAT_RGBA8888: + return RDMA_INPUT_FORMAT_ARGB8888; + case DRM_FORMAT_BGRX8888: + case DRM_FORMAT_BGRA8888: + return RDMA_INPUT_FORMAT_ARGB8888 | FLD_SWAP; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + return RDMA_INPUT_FORMAT_RGBA8888; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + return RDMA_INPUT_FORMAT_RGBA8888 | FLD_SWAP; + case DRM_FORMAT_ABGR2101010: + return RDMA_INPUT_FORMAT_RGBA8888 | FLD_SWAP | RDMA_INPUT_10BIT; + case DRM_FORMAT_ARGB2101010: + return RDMA_INPUT_FORMAT_RGBA8888 | RDMA_INPUT_10BIT; + case DRM_FORMAT_RGBA1010102: + return RDMA_INPUT_FORMAT_ARGB8888 | FLD_SWAP | RDMA_INPUT_10BIT; + case DRM_FORMAT_BGRA1010102: + return RDMA_INPUT_FORMAT_ARGB8888 | RDMA_INPUT_10BIT; + case DRM_FORMAT_UYVY: + return RDMA_INPUT_FORMAT_UYVY; + case DRM_FORMAT_YUYV: + return RDMA_INPUT_FORMAT_YUY2; + } +} + +static unsigned int rdma_color_convert(unsigned int color_encoding) +{ + switch (color_encoding) { + default: + case DRM_COLOR_YCBCR_BT709: + return RDMA_CSC_FULL709_TO_RGB; + case DRM_COLOR_YCBCR_BT601: + return RDMA_CSC_BT601_TO_RGB; + } +} + +static void mtk_mdp_rdma_fifo_config(struct device *dev, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_mdp_rdma *priv = dev_get_drvdata(dev); + + mtk_ddp_write_mask(cmdq_pkt, FLD_EXT_ULTRA_EN | VAL_PRE_ULTRA_EN_ENABLE << 16 | + VAL_ULTRA_EN_ENABLE << 12 | VAL_RD_REQ_TYPE_BURST_8_ACCESS << 4 | + FLD_EXT_PREULTRA_EN | FLD_COMMAND_DIV, &priv->cmdq_reg, + priv->regs, MDP_RDMA_GMCIF_CON, FLD_EXT_ULTRA_EN | + FLD_PRE_ULTRA_EN | FLD_ULTRA_EN | FLD_RD_REQ_TYPE | + FLD_EXT_PREULTRA_EN | FLD_COMMAND_DIV); +} + +void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_mdp_rdma *priv = dev_get_drvdata(dev); + + mtk_ddp_write_mask(cmdq_pkt, FLD_ROT_ENABLE, &priv->cmdq_reg, + priv->regs, MDP_RDMA_EN, FLD_ROT_ENABLE); +} + +void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_mdp_rdma *priv = dev_get_drvdata(dev); + + mtk_ddp_write_mask(cmdq_pkt, 0, &priv->cmdq_reg, + priv->regs, MDP_RDMA_EN, FLD_ROT_ENABLE); + mtk_ddp_write(cmdq_pkt, 1, &priv->cmdq_reg, priv->regs, MDP_RDMA_RESET); + mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, MDP_RDMA_RESET); +} + +void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg, + struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_mdp_rdma *priv = dev_get_drvdata(dev); + const struct drm_format_info *fmt_info = drm_format_info(cfg->fmt); + bool csc_enable = fmt_info->is_yuv ? true : false; + unsigned int src_pitch_y = cfg->pitch; + unsigned int offset_y = 0; + + mtk_mdp_rdma_fifo_config(dev, cmdq_pkt); + + mtk_ddp_write_mask(cmdq_pkt, FLD_UNIFORM_CONFIG, &priv->cmdq_reg, priv->regs, + MDP_RDMA_SRC_CON, FLD_UNIFORM_CONFIG); + mtk_ddp_write_mask(cmdq_pkt, rdma_fmt_convert(cfg->fmt), &priv->cmdq_reg, priv->regs, + MDP_RDMA_SRC_CON, FLD_SWAP | FLD_SRC_FORMAT | FLD_BIT_NUMBER); + + if (!csc_enable && fmt_info->has_alpha) + mtk_ddp_write_mask(cmdq_pkt, FLD_OUTPUT_ARGB, &priv->cmdq_reg, + priv->regs, MDP_RDMA_SRC_CON, FLD_OUTPUT_ARGB); + else + mtk_ddp_write_mask(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, + MDP_RDMA_SRC_CON, FLD_OUTPUT_ARGB); + + mtk_ddp_write_mask(cmdq_pkt, cfg->addr0, &priv->cmdq_reg, priv->regs, + MDP_RDMA_SRC_BASE_0, FLD_SRC_BASE_0); + + mtk_ddp_write_mask(cmdq_pkt, src_pitch_y, &priv->cmdq_reg, priv->regs, + MDP_RDMA_MF_BKGD_SIZE_IN_BYTE, FLD_MF_BKGD_WB); + + mtk_ddp_write_mask(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, MDP_RDMA_COMP_CON, + FLD_AFBC_YUV_TRANSFORM | FLD_UFBDC_EN | FLD_AFBC_EN); + mtk_ddp_write_mask(cmdq_pkt, FLD_OUTPUT_10B, &priv->cmdq_reg, priv->regs, + MDP_RDMA_CON, FLD_OUTPUT_10B); + mtk_ddp_write_mask(cmdq_pkt, FLD_SIMPLE_MODE, &priv->cmdq_reg, priv->regs, + MDP_RDMA_CON, FLD_SIMPLE_MODE); + if (csc_enable) + mtk_ddp_write_mask(cmdq_pkt, rdma_color_convert(cfg->color_encoding) << 23, + &priv->cmdq_reg, priv->regs, MDP_RDMA_TRANSFORM_0, + FLD_INT_MATRIX_SEL); + mtk_ddp_write_mask(cmdq_pkt, csc_enable << 16, &priv->cmdq_reg, priv->regs, + MDP_RDMA_TRANSFORM_0, FLD_TRANS_EN); + + offset_y = cfg->x_left * fmt_info->cpp[0] + cfg->y_top * src_pitch_y; + + mtk_ddp_write_mask(cmdq_pkt, offset_y, &priv->cmdq_reg, priv->regs, + MDP_RDMA_SRC_OFFSET_0, FLD_SRC_OFFSET_0); + mtk_ddp_write_mask(cmdq_pkt, cfg->width, &priv->cmdq_reg, priv->regs, + MDP_RDMA_MF_SRC_SIZE, FLD_MF_SRC_W); + mtk_ddp_write_mask(cmdq_pkt, cfg->height << 16, &priv->cmdq_reg, priv->regs, + MDP_RDMA_MF_SRC_SIZE, FLD_MF_SRC_H); + mtk_ddp_write_mask(cmdq_pkt, cfg->width, &priv->cmdq_reg, priv->regs, + MDP_RDMA_MF_CLIP_SIZE, FLD_MF_CLIP_W); + mtk_ddp_write_mask(cmdq_pkt, cfg->height << 16, &priv->cmdq_reg, priv->regs, + MDP_RDMA_MF_CLIP_SIZE, FLD_MF_CLIP_H); +} + +int mtk_mdp_rdma_clk_enable(struct device *dev) +{ + struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev); + + clk_prepare_enable(rdma->clk); + return 0; +} + +void mtk_mdp_rdma_clk_disable(struct device *dev) +{ + struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev); + + clk_disable_unprepare(rdma->clk); +} + +static int mtk_mdp_rdma_bind(struct device *dev, struct device *master, + void *data) +{ + return 0; +} + +static void mtk_mdp_rdma_unbind(struct device *dev, struct device *master, + void *data) +{ +} + +static const struct component_ops mtk_mdp_rdma_component_ops = { + .bind = mtk_mdp_rdma_bind, + .unbind = mtk_mdp_rdma_unbind, +}; + +static int mtk_mdp_rdma_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct resource *res; + struct mtk_mdp_rdma *priv; + int ret = 0; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + 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); + } + + 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); + } + +#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 + platform_set_drvdata(pdev, priv); + + pm_runtime_enable(dev); + + ret = component_add(dev, &mtk_mdp_rdma_component_ops); + if (ret != 0) { + pm_runtime_disable(dev); + dev_err(dev, "Failed to add component: %d\n", ret); + } + return ret; +} + +static int mtk_mdp_rdma_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &mtk_mdp_rdma_component_ops); + pm_runtime_disable(&pdev->dev); + return 0; +} + +static const struct of_device_id mtk_mdp_rdma_driver_dt_match[] = { + { .compatible = "mediatek,mt8195-vdo1-rdma", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mtk_mdp_rdma_driver_dt_match); + +struct platform_driver mtk_mdp_rdma_driver = { + .probe = mtk_mdp_rdma_probe, + .remove = mtk_mdp_rdma_remove, + .driver = { + .name = "mediatek-mdp-rdma", + .owner = THIS_MODULE, + .of_match_table = mtk_mdp_rdma_driver_dt_match, + }, +}; diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h new file mode 100644 index 000000000000..9943ee3aac31 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __MTK_MDP_RDMA_H__ +#define __MTK_MDP_RDMA_H__ + +struct mtk_mdp_rdma_cfg { + unsigned int pitch; + unsigned int addr0; + unsigned int width; + unsigned int height; + unsigned int x_left; + unsigned int y_top; + int fmt; + int color_encoding; +}; + +#endif // __MTK_MDP_RDMA_H__