From patchwork Thu Feb 25 10:16:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 387467 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EEA3C433E0 for ; Thu, 25 Feb 2021 10:25:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E45C364EF1 for ; Thu, 25 Feb 2021 10:25:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233615AbhBYKYq (ORCPT ); Thu, 25 Feb 2021 05:24:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55180 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235337AbhBYKSD (ORCPT ); Thu, 25 Feb 2021 05:18:03 -0500 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E409CC061222 for ; Thu, 25 Feb 2021 02:16:43 -0800 (PST) Received: by mail-pl1-x629.google.com with SMTP id z7so2930960plk.7 for ; Thu, 25 Feb 2021 02:16:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rPds8Sv7GUEEyk1zAIR4OmJkrFu7mzc9HWc+V93Z198=; b=CKCsGqiAB/HRbKsOO7yduvsdNknZ8XUSNFN//yKVMirfy2a2RDYD8QFKysTP49c9JN MJfnyRH3fgCHajl3+wef+FuzDmmwE6GeU2X1USMZlwMVJpWK4jBGTes8e+WKuDJl39SN gh08iC6o/idUnrGwqb5H2Hl1BmrYSJkXpPNz0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rPds8Sv7GUEEyk1zAIR4OmJkrFu7mzc9HWc+V93Z198=; b=jOi4tM2L2DrcOOxyMxDy6fZTu3CM95eoPWGHFHCRf1kMJYUgubAsJE/clnmEnf760n U06WBXy5CCA4HrezpUjAZ0wl7znc1UXxbRy/E0ARqOsCpCsKk3NGZNLlyuL2tH5aHRUR EX+4CTDEVUXlaVqhfc5SGdMTPRSKlzMvDEYsL8woruaf8rvagSp+ivNXy3SRpGcyoqWs H5V77QQjq5vNdE9zBbYCPiK2NVcRFSZvltiDp2JSKYzvkyEV+w3JDjHO38RN0jmUCAhI 2ByrI5TLQS/eBc/guo1BM4tFMc+7bzexnzwgSOnn64g9Dvg6E9DogAtrRCOAVjCPGh7o qMAQ== X-Gm-Message-State: AOAM532z9djKQvFPJFio9+obEv3UsjKKnTLUJXc9SVZrwqWwUaVqQhqy MRVfyIcXbtM6AfoMJ1NKcY1bYg== X-Google-Smtp-Source: ABdhPJzLvuKzJmtBTws3k3mugVhnelvdDoWGrtYgLJq0rmswBRVYtRxeXogQwxa3aUJPy3oiWm7jEg== X-Received: by 2002:a17:902:9304:b029:e4:12f4:bdb0 with SMTP id bc4-20020a1709029304b02900e412f4bdb0mr2483934plb.55.1614248203466; Thu, 25 Feb 2021 02:16:43 -0800 (PST) Received: from acourbot.tok.corp.google.com ([2401:fa00:8f:203:2550:3154:2c53:b6e7]) by smtp.gmail.com with ESMTPSA id z2sm5848193pfc.8.2021.02.25.02.16.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Feb 2021 02:16:42 -0800 (PST) From: Alexandre Courbot To: Tiffany Lin , Andrew-CT Chen , Rob Herring , Yunfei Dong Cc: Mauro Carvalho Chehab , Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Alexandre Courbot Subject: [PATCH v2 6/8] media: mtk-vcodec: vdec: add media device if using stateless api Date: Thu, 25 Feb 2021 19:16:10 +0900 Message-Id: <20210225101612.2832444-7-acourbot@chromium.org> X-Mailer: git-send-email 2.30.0.617.g56c4b15f3c-goog In-Reply-To: <20210225101612.2832444-1-acourbot@chromium.org> References: <20210225101612.2832444-1-acourbot@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Yunfei Dong The stateless API requires a media device for issuing requests. Add one if we are being instantiated as a stateless decoder. Signed-off-by: Yunfei Dong [acourbot: refactor, cleanup and split] Co-developed-by: Alexandre Courbot Signed-off-by: Alexandre Courbot --- drivers/media/platform/Kconfig | 1 + .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 39 +++++++++++++++++++ .../platform/mtk-vcodec/mtk_vcodec_drv.h | 2 + 3 files changed, 42 insertions(+) diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index c27db5643712..9d83b4223ecc 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -296,6 +296,7 @@ config VIDEO_MEDIATEK_VCODEC select VIDEO_MEDIATEK_VCODEC_VPU if VIDEO_MEDIATEK_VPU select VIDEO_MEDIATEK_VCODEC_SCP if MTK_SCP select V4L2_H264 + select MEDIA_CONTROLLER help Mediatek video codec driver provides HW capability to encode and decode in a range of video formats on MT8173 diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index 533781d4680a..e942e28f96fe 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -14,6 +14,7 @@ #include #include #include +#include #include "mtk_vcodec_drv.h" #include "mtk_vcodec_dec.h" @@ -324,6 +325,31 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_event_workq; } + if (dev->vdec_pdata->uses_stateless_api) { + dev->mdev_dec.dev = &pdev->dev; + strscpy(dev->mdev_dec.model, MTK_VCODEC_DEC_NAME, + sizeof(dev->mdev_dec.model)); + + media_device_init(&dev->mdev_dec); + dev->mdev_dec.ops = &mtk_vcodec_media_ops; + dev->v4l2_dev.mdev = &dev->mdev_dec; + + ret = v4l2_m2m_register_media_controller(dev->m2m_dev_dec, + dev->vfd_dec, MEDIA_ENT_F_PROC_VIDEO_DECODER); + if (ret) { + mtk_v4l2_err("Failed to register media controller"); + goto err_reg_cont; + } + + ret = media_device_register(&dev->mdev_dec); + if (ret) { + mtk_v4l2_err("Failed to register media device"); + goto err_media_reg; + } + + mtk_v4l2_debug(0, "media registered as /dev/media%d", + vfd_dec->num); + } ret = video_register_device(vfd_dec, VFL_TYPE_VIDEO, 0); if (ret) { mtk_v4l2_err("Failed to register video device"); @@ -336,6 +362,12 @@ static int mtk_vcodec_probe(struct platform_device *pdev) return 0; err_dec_reg: + if (dev->vdec_pdata->uses_stateless_api) + media_device_unregister(&dev->mdev_dec); +err_media_reg: + if (dev->vdec_pdata->uses_stateless_api) + v4l2_m2m_unregister_media_controller(dev->m2m_dev_dec); +err_reg_cont: destroy_workqueue(dev->decode_workqueue); err_event_workq: v4l2_m2m_release(dev->m2m_dev_dec); @@ -368,6 +400,13 @@ static int mtk_vcodec_dec_remove(struct platform_device *pdev) flush_workqueue(dev->decode_workqueue); destroy_workqueue(dev->decode_workqueue); + + if (media_devnode_is_registered(dev->mdev_dec.devnode)) { + media_device_unregister(&dev->mdev_dec); + v4l2_m2m_unregister_media_controller(dev->m2m_dev_dec); + media_device_cleanup(&dev->mdev_dec); + } + if (dev->m2m_dev_dec) v4l2_m2m_release(dev->m2m_dev_dec); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 3b884a321883..79d6a1e6c916 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -384,6 +384,7 @@ struct mtk_vcodec_enc_pdata { * struct mtk_vcodec_dev - driver data * @v4l2_dev: V4L2 device to register video devices for. * @vfd_dec: Video device for decoder + * @mdev_dec: Media device for decoder * @vfd_enc: Video device for encoder. * * @m2m_dev_dec: m2m device for decoder @@ -420,6 +421,7 @@ struct mtk_vcodec_enc_pdata { struct mtk_vcodec_dev { struct v4l2_device v4l2_dev; struct video_device *vfd_dec; + struct media_device mdev_dec; struct video_device *vfd_enc; struct v4l2_m2m_dev *m2m_dev_dec;