From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 806BEECE588 for ; Tue, 15 Oct 2019 10:40:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 387A921835 for ; Tue, 15 Oct 2019 10:40:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rkg5PeM/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730981AbfJOKkq (ORCPT ); Tue, 15 Oct 2019 06:40:46 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:42693 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730962AbfJOKkp (ORCPT ); Tue, 15 Oct 2019 06:40:45 -0400 Received: by mail-pf1-f196.google.com with SMTP id q12so12201544pff.9 for ; Tue, 15 Oct 2019 03:40:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Owi5uvqA69iIdxAcpQLDOchlFf8DfyY6nHZ9EgpbP4M=; b=rkg5PeM/OY9H5oYAlwA8V/UPb1XV/y/I5Jh1bdkjYSw4T6uGzALWnqkRNqhV75n5b9 XT+CttX5T0pAr6WQE5/ZerjfTWr2YiG6Gk2egKiYprCWn5ILqA2BL86Oy65feTPKd5An MIAzg6Dgs/Hh/WE10VPDqc5jgxZHgW6dxjXK2uhjW153QkgrBZj0olZE5qFJkV/khkzr lybfDaY/sBXUj2VFvWkv5CDm0iogxgnmiqRIxtdZ2hUe4Xgpr0A/G7zteyeh0zTeTa9d GlPPdCdkqgPov6U1GQ6t2Vx1MOxfGQSAX5w5Ro+SgtG0bzKZ7Qs/JKcKCcAxjoLY48S8 mr6g== 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; bh=Owi5uvqA69iIdxAcpQLDOchlFf8DfyY6nHZ9EgpbP4M=; b=fb+DaOIJGeRqPXP/klzLf47p839QSfFSgNbCzCdFDLsba8GSFqucFHjC/HjmZT/dZk 5dkXbbE3cldVruToSop4JGwKFUZO63UkC8vh/RY/Yjb5Fgz/Zho2LLlb0KFwvcXcZH2+ YP0+VCPQNuoEwl8GjX6DW5M9WR8mbgx4rq0OeGDm0Zqo6jEui/IIUx6diP71Yr1H6WkC F7329eJAf23UR6ZzEqVfaKn96EGpKz5IrJt3VItfTm2rYNmGAyalbV3IO/LnOYr8W6DH bPNdt/misb2ql4t7LoCO5BpzGoxsuQ/yNiXK7hDikxVcePxC8A5MysX+vUCE5WS6LzO1 hTtg== X-Gm-Message-State: APjAAAVok69uhtara9DFK0G5xpc62XpUPCi3SaHKy+NtKybvq/QeYhFq UrLitIQyhiV0wtr9PQK25OP/BH4j X-Google-Smtp-Source: APXvYqyU9AWhoE7OKYFOg8kworQ/ULQCC4Y3arcKZNWfYly5UBYPrfVldAmqDw3cIN6Hp/zEbwHoMw== X-Received: by 2002:a62:b504:: with SMTP id y4mr37146089pfe.124.1571136044221; Tue, 15 Oct 2019 03:40:44 -0700 (PDT) Received: from bnva-HP-Pavilion-g6-Notebook-PC.domain.name ([117.241.198.230]) by smtp.gmail.com with ESMTPSA id r18sm15306328pgm.31.2019.10.15.03.40.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 03:40:43 -0700 (PDT) From: Vandana BN To: linux-media@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org Cc: hverkuil@xs4all.nl, Vandana BN Subject: [PATCH v11 1/3] vivid: Add metadata capture support Date: Tue, 15 Oct 2019 16:10:15 +0530 Message-Id: <20191015104017.13722-2-bnvandana@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191015104017.13722-1-bnvandana@gmail.com> References: <20191008072757.22752-1-bnvandana@gmail.com> <20191015104017.13722-1-bnvandana@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This patch adds meatadata capture support in vivid driver. Adds new files for metadata capture. Adds vivid controls to generate PTS and SCR for metadata stream. also fixes v4l2-compliance issues seen on metadata device. Signed-off-by: Vandana BN --- drivers/media/platform/vivid/Makefile | 2 +- drivers/media/platform/vivid/vivid-core.c | 109 +++++++++- drivers/media/platform/vivid/vivid-core.h | 14 ++ drivers/media/platform/vivid/vivid-ctrls.c | 65 ++++++ .../media/platform/vivid/vivid-kthread-cap.c | 54 ++++- drivers/media/platform/vivid/vivid-meta-cap.c | 201 ++++++++++++++++++ drivers/media/platform/vivid/vivid-meta-cap.h | 29 +++ drivers/media/platform/vivid/vivid-vid-cap.c | 5 +- 8 files changed, 465 insertions(+), 14 deletions(-) create mode 100644 drivers/media/platform/vivid/vivid-meta-cap.c create mode 100644 drivers/media/platform/vivid/vivid-meta-cap.h diff --git a/drivers/media/platform/vivid/Makefile b/drivers/media/platform/vivid/Makefile index 2f5762e3309a..af94abf9bce6 100644 --- a/drivers/media/platform/vivid/Makefile +++ b/drivers/media/platform/vivid/Makefile @@ -3,7 +3,7 @@ vivid-objs := vivid-core.o vivid-ctrls.o vivid-vid-common.o vivid-vbi-gen.o \ vivid-vid-cap.o vivid-vid-out.o vivid-kthread-cap.o vivid-kthread-out.o \ vivid-radio-rx.o vivid-radio-tx.o vivid-radio-common.o \ vivid-rds-gen.o vivid-sdr-cap.o vivid-vbi-cap.o vivid-vbi-out.o \ - vivid-osd.o + vivid-osd.o vivid-meta-cap.o ifeq ($(CONFIG_VIDEO_VIVID_CEC),y) vivid-objs += vivid-cec.o endif diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c index 53315c8dd2bb..a44984536ad0 100644 --- a/drivers/media/platform/vivid/vivid-core.c +++ b/drivers/media/platform/vivid/vivid-core.c @@ -37,6 +37,7 @@ #include "vivid-osd.h" #include "vivid-cec.h" #include "vivid-ctrls.h" +#include "vivid-meta-cap.h" #define VIVID_MODULE_NAME "vivid" @@ -79,6 +80,10 @@ static int radio_tx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; module_param_array(radio_tx_nr, int, NULL, 0444); MODULE_PARM_DESC(radio_tx_nr, " radioX start number, -1 is autodetect"); +static int meta_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; +module_param_array(meta_cap_nr, int, NULL, 0444); +MODULE_PARM_DESC(meta_cap_nr, " videoX start number, -1 is autodetect"); + static int ccs_cap_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; module_param_array(ccs_cap_mode, int, NULL, 0444); MODULE_PARM_DESC(ccs_cap_mode, " capture crop/compose/scale mode:\n" @@ -95,10 +100,15 @@ static unsigned multiplanar[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 1 module_param_array(multiplanar, uint, NULL, 0444); MODULE_PARM_DESC(multiplanar, " 1 (default) creates a single planar device, 2 creates a multiplanar device."); -/* Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + vbi-out + vid-out */ -static unsigned node_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0x1d3d }; +/* + * Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + + * vbi-out + vid-out + meta-cap + */ +static unsigned int node_types[VIVID_MAX_DEVS] = { + [0 ... (VIVID_MAX_DEVS - 1)] = 0x21d3d +}; module_param_array(node_types, uint, NULL, 0444); -MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the following meaning:\n" +MODULE_PARM_DESC(node_types, " node types, default is 0x21d3d. Bitmask with the following meaning:\n" "\t\t bit 0: Video Capture node\n" "\t\t bit 2-3: VBI Capture node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" "\t\t bit 4: Radio Receiver node\n" @@ -106,7 +116,8 @@ MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the f "\t\t bit 8: Video Output node\n" "\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" "\t\t bit 12: Radio Transmitter node\n" - "\t\t bit 16: Framebuffer for testing overlays"); + "\t\t bit 16: Framebuffer for testing overlays\n" + "\t\t bit 17: Metadata Capture node\n"); /* Default: 4 inputs */ static unsigned num_inputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 4 }; @@ -205,7 +216,7 @@ static int vidioc_querycap(struct file *file, void *priv, cap->capabilities = dev->vid_cap_caps | dev->vid_out_caps | dev->vbi_cap_caps | dev->vbi_out_caps | dev->radio_rx_caps | dev->radio_tx_caps | - dev->sdr_cap_caps | V4L2_CAP_DEVICE_CAPS; + dev->sdr_cap_caps | dev->meta_cap_caps | V4L2_CAP_DEVICE_CAPS; return 0; } @@ -433,7 +444,8 @@ static bool vivid_is_last_user(struct vivid_dev *dev) vivid_is_in_use(&dev->vbi_out_dev) + vivid_is_in_use(&dev->sdr_cap_dev) + vivid_is_in_use(&dev->radio_rx_dev) + - vivid_is_in_use(&dev->radio_tx_dev); + vivid_is_in_use(&dev->radio_tx_dev) + + vivid_is_in_use(&dev->meta_cap_dev); return uses == 1; } @@ -459,6 +471,7 @@ static int vivid_fop_release(struct file *file) set_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); + set_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); } mutex_unlock(&dev->mutex); if (file->private_data == dev->overlay_cap_owner) @@ -604,6 +617,11 @@ static const struct v4l2_ioctl_ops vivid_ioctl_ops = { .vidioc_log_status = vidioc_log_status, .vidioc_subscribe_event = vidioc_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + + .vidioc_enum_fmt_meta_cap = vidioc_enum_fmt_meta_cap, + .vidioc_g_fmt_meta_cap = vidioc_g_fmt_meta_cap, + .vidioc_s_fmt_meta_cap = vidioc_g_fmt_meta_cap, + .vidioc_try_fmt_meta_cap = vidioc_g_fmt_meta_cap, }; /* ----------------------------------------------------------------- @@ -818,6 +836,9 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->has_scaler_out ? 'Y' : 'N'); } + /* do we create a meta capture device */ + dev->has_meta_cap = node_type & 0x20000; + /* end detecting feature set */ if (dev->has_vid_cap) { @@ -875,6 +896,16 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR | V4L2_CAP_READWRITE; + /* set up the capabilities of meta capture device */ + if (dev->has_meta_cap) { + dev->meta_cap_caps = V4L2_CAP_META_CAPTURE | + V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; + if (dev->has_audio_inputs) + dev->meta_cap_caps |= V4L2_CAP_AUDIO; + if (in_type_counter[TV]) + dev->meta_cap_caps |= V4L2_CAP_TUNER; + } + ret = -ENOMEM; /* initialize the test pattern generator */ tpg_init(&dev->tpg, 640, 360); @@ -934,6 +965,9 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_AUDIO); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_AUDIO); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_ENUMAUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_AUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_AUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_ENUMAUDIO); } if (!dev->has_audio_outputs) { v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_AUDOUT); @@ -959,12 +993,16 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_FREQUENCY); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_FREQUENCY); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_FREQUENCY); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_FREQUENCY); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_FREQUENCY); } if (!has_tuner) { v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_TUNER); v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_TUNER); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_TUNER); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_TUNER); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_TUNER); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_TUNER); } if (in_type_counter[HDMI] == 0) { v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_EDID); @@ -990,6 +1028,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->sdr_cap_dev, VIDIOC_S_HW_FREQ_SEEK); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FREQUENCY); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FREQUENCY); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMESIZES); @@ -1078,6 +1117,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) INIT_LIST_HEAD(&dev->vbi_cap_active); INIT_LIST_HEAD(&dev->vbi_out_active); INIT_LIST_HEAD(&dev->sdr_cap_active); + INIT_LIST_HEAD(&dev->meta_cap_active); INIT_LIST_HEAD(&dev->cec_work_list); spin_lock_init(&dev->cec_slock); @@ -1225,6 +1265,27 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->fb_info.node); } + if (dev->has_meta_cap) { + /* initialize meta_cap queue */ + q = &dev->vb_meta_cap_q; + q->type = V4L2_BUF_TYPE_META_CAPTURE; + q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; + if (!allocator) + q->io_modes |= VB2_USERPTR; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct vivid_buffer); + q->ops = &vivid_meta_cap_qops; + q->mem_ops = vivid_mem_ops[allocator]; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->min_buffers_needed = 2; + q->lock = &dev->mutex; + q->dev = dev->v4l2_dev.dev; + q->supports_requests = true; + ret = vb2_queue_init(q); + if (ret) + goto unreg_dev; + } + #ifdef CONFIG_VIDEO_VIVID_CEC if (dev->has_vid_cap && in_type_counter[HDMI]) { struct cec_adapter *adap; @@ -1265,6 +1326,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_rx); v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_tx); v4l2_ctrl_handler_setup(&dev->ctrl_hdl_sdr_cap); + v4l2_ctrl_handler_setup(&dev->ctrl_hdl_meta_cap); /* finally start creating the device nodes */ if (dev->has_vid_cap) { @@ -1492,6 +1554,35 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) video_device_node_name(vfd)); } + if (dev->has_meta_cap) { + vfd = &dev->meta_cap_dev; + snprintf(vfd->name, sizeof(vfd->name), + "vivid-%03d-meta-cap", inst); + vfd->fops = &vivid_fops; + vfd->ioctl_ops = &vivid_ioctl_ops; + vfd->device_caps = dev->meta_cap_caps; + vfd->release = video_device_release_empty; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->queue = &dev->vb_meta_cap_q; + vfd->lock = &dev->mutex; + vfd->tvnorms = tvnorms_cap; + video_set_drvdata(vfd, dev); +#ifdef CONFIG_MEDIA_CONTROLLER + dev->meta_cap_pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_pads_init(&vfd->entity, 1, + &dev->meta_cap_pad); + if (ret) + goto unreg_dev; +#endif + ret = video_register_device(vfd, VFL_TYPE_GRABBER, + meta_cap_nr[inst]); + if (ret < 0) + goto unreg_dev; + v4l2_info(&dev->v4l2_dev, + "V4L2 metadata capture device registered as %s\n", + video_device_node_name(vfd)); + } + #ifdef CONFIG_MEDIA_CONTROLLER /* Register the media device */ ret = media_device_register(&dev->mdev); @@ -1508,6 +1599,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) return 0; unreg_dev: + video_unregister_device(&dev->meta_cap_dev); video_unregister_device(&dev->radio_tx_dev); video_unregister_device(&dev->radio_rx_dev); video_unregister_device(&dev->sdr_cap_dev); @@ -1624,6 +1716,11 @@ static int vivid_remove(struct platform_device *pdev) unregister_framebuffer(&dev->fb_info); vivid_fb_release_buffers(dev); } + if (dev->has_meta_cap) { + v4l2_info(&dev->v4l2_dev, "unregistering %s\n", + video_device_node_name(&dev->meta_cap_dev)); + video_unregister_device(&dev->meta_cap_dev); + } cec_unregister_adapter(dev->cec_rx_adap); for (j = 0; j < MAX_OUTPUTS; j++) cec_unregister_adapter(dev->cec_tx_adap[j]); diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h index 7ebb14673c75..fd601345a17c 100644 --- a/drivers/media/platform/vivid/vivid-core.h +++ b/drivers/media/platform/vivid/vivid-core.h @@ -131,6 +131,7 @@ struct vivid_dev { struct media_pad vbi_cap_pad; struct media_pad vbi_out_pad; struct media_pad sdr_cap_pad; + struct media_pad meta_cap_pad; #endif struct v4l2_ctrl_handler ctrl_hdl_user_gen; struct v4l2_ctrl_handler ctrl_hdl_user_vid; @@ -153,6 +154,9 @@ struct vivid_dev { struct v4l2_ctrl_handler ctrl_hdl_radio_tx; struct video_device sdr_cap_dev; struct v4l2_ctrl_handler ctrl_hdl_sdr_cap; + struct video_device meta_cap_dev; + struct v4l2_ctrl_handler ctrl_hdl_meta_cap; + spinlock_t slock; struct mutex mutex; @@ -164,6 +168,7 @@ struct vivid_dev { u32 sdr_cap_caps; u32 radio_rx_caps; u32 radio_tx_caps; + u32 meta_cap_caps; /* supported features */ bool multiplanar; @@ -189,6 +194,7 @@ struct vivid_dev { bool has_radio_tx; bool has_sdr_cap; bool has_fb; + bool has_meta_cap; bool can_loop_video; @@ -390,6 +396,8 @@ struct vivid_dev { struct list_head vid_cap_active; struct vb2_queue vb_vbi_cap_q; struct list_head vbi_cap_active; + struct vb2_queue vb_meta_cap_q; + struct list_head meta_cap_active; /* thread for generating video capture stream */ struct task_struct *kthread_vid_cap; @@ -407,6 +415,9 @@ struct vivid_dev { u32 vbi_cap_seq_count; bool vbi_cap_streaming; bool stream_sliced_vbi_cap; + u32 meta_cap_seq_start; + u32 meta_cap_seq_count; + bool meta_cap_streaming; /* video output */ const struct vivid_fmt *fmt_out; @@ -527,6 +538,9 @@ struct vivid_dev { /* CEC OSD String */ char osd[14]; unsigned long osd_jiffies; + + bool meta_pts; + bool meta_scr; }; static inline bool vivid_is_webcam(const struct vivid_dev *dev) diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c index cb19a9a73092..36e5944b51bb 100644 --- a/drivers/media/platform/vivid/vivid-ctrls.c +++ b/drivers/media/platform/vivid/vivid-ctrls.c @@ -94,6 +94,9 @@ #define VIVID_CID_SDR_CAP_FM_DEVIATION (VIVID_CID_VIVID_BASE + 110) +#define VIVID_CID_META_CAP_GENERATE_PTS (VIVID_CID_VIVID_BASE + 111) +#define VIVID_CID_META_CAP_GENERATE_SCR (VIVID_CID_VIVID_BASE + 112) + /* General User Controls */ static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) @@ -110,6 +113,7 @@ static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) clear_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); clear_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); clear_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); + clear_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); break; case VIVID_CID_BUTTON: dev->button_pressed = 30; @@ -1421,6 +1425,47 @@ static const struct v4l2_ctrl_config vivid_ctrl_sdr_cap_fm_deviation = { .step = 1, }; +/* Metadata Capture Control */ + +static int vivid_meta_cap_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, + ctrl_hdl_meta_cap); + + switch (ctrl->id) { + case VIVID_CID_META_CAP_GENERATE_PTS: + dev->meta_pts = ctrl->val; + break; + case VIVID_CID_META_CAP_GENERATE_SCR: + dev->meta_scr = ctrl->val; + break; + } + return 0; +} + +static const struct v4l2_ctrl_ops vivid_meta_cap_ctrl_ops = { + .s_ctrl = vivid_meta_cap_s_ctrl, +}; + +static const struct v4l2_ctrl_config vivid_ctrl_meta_has_pts = { + .ops = &vivid_meta_cap_ctrl_ops, + .id = VIVID_CID_META_CAP_GENERATE_PTS, + .name = "Generate PTS", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .max = 1, + .def = 1, + .step = 1, +}; + +static const struct v4l2_ctrl_config vivid_ctrl_meta_has_src_clk = { + .ops = &vivid_meta_cap_ctrl_ops, + .id = VIVID_CID_META_CAP_GENERATE_SCR, + .name = "Generate SCR", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .max = 1, + .def = 1, + .step = 1, +}; static const struct v4l2_ctrl_config vivid_ctrl_class = { .ops = &vivid_user_gen_ctrl_ops, @@ -1448,6 +1493,8 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, struct v4l2_ctrl_handler *hdl_radio_rx = &dev->ctrl_hdl_radio_rx; struct v4l2_ctrl_handler *hdl_radio_tx = &dev->ctrl_hdl_radio_tx; struct v4l2_ctrl_handler *hdl_sdr_cap = &dev->ctrl_hdl_sdr_cap; + struct v4l2_ctrl_handler *hdl_meta_cap = &dev->ctrl_hdl_meta_cap; + struct v4l2_ctrl_config vivid_ctrl_dv_timings = { .ops = &vivid_vid_cap_ctrl_ops, .id = VIVID_CID_DV_TIMINGS, @@ -1486,6 +1533,8 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, v4l2_ctrl_new_custom(hdl_radio_tx, &vivid_ctrl_class, NULL); v4l2_ctrl_handler_init(hdl_sdr_cap, 19); v4l2_ctrl_new_custom(hdl_sdr_cap, &vivid_ctrl_class, NULL); + v4l2_ctrl_handler_init(hdl_meta_cap, 2); + v4l2_ctrl_new_custom(hdl_meta_cap, &vivid_ctrl_class, NULL); /* User Controls */ dev->volume = v4l2_ctrl_new_std(hdl_user_aud, NULL, @@ -1743,6 +1792,13 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, v4l2_ctrl_new_custom(hdl_sdr_cap, &vivid_ctrl_sdr_cap_fm_deviation, NULL); } + if (dev->has_meta_cap) { + v4l2_ctrl_new_custom(hdl_meta_cap, + &vivid_ctrl_meta_has_pts, NULL); + v4l2_ctrl_new_custom(hdl_meta_cap, + &vivid_ctrl_meta_has_src_clk, NULL); + } + if (hdl_user_gen->error) return hdl_user_gen->error; if (hdl_user_vid->error) @@ -1817,6 +1873,14 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, return hdl_sdr_cap->error; dev->sdr_cap_dev.ctrl_handler = hdl_sdr_cap; } + if (dev->has_meta_cap) { + v4l2_ctrl_add_handler(hdl_meta_cap, hdl_user_gen, NULL, false); + v4l2_ctrl_add_handler(hdl_meta_cap, hdl_streaming, NULL, false); + if (hdl_meta_cap->error) + return hdl_meta_cap->error; + dev->meta_cap_dev.ctrl_handler = hdl_meta_cap; + } + return 0; } @@ -1836,4 +1900,5 @@ void vivid_free_controls(struct vivid_dev *dev) v4l2_ctrl_handler_free(&dev->ctrl_hdl_sdtv_cap); v4l2_ctrl_handler_free(&dev->ctrl_hdl_loop_cap); v4l2_ctrl_handler_free(&dev->ctrl_hdl_fb); + v4l2_ctrl_handler_free(&dev->ctrl_hdl_meta_cap); } diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c index 003319d7816d..9f981e8bae6e 100644 --- a/drivers/media/platform/vivid/vivid-kthread-cap.c +++ b/drivers/media/platform/vivid/vivid-kthread-cap.c @@ -39,6 +39,7 @@ #include "vivid-osd.h" #include "vivid-ctrls.h" #include "vivid-kthread-cap.h" +#include "vivid-meta-cap.h" static inline v4l2_std_id vivid_get_std_cap(const struct vivid_dev *dev) { @@ -677,6 +678,7 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, { struct vivid_buffer *vid_cap_buf = NULL; struct vivid_buffer *vbi_cap_buf = NULL; + struct vivid_buffer *meta_cap_buf = NULL; u64 f_time = 0; dprintk(dev, 1, "Video Capture Thread Tick\n"); @@ -704,15 +706,19 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, list_del(&vbi_cap_buf->list); } } + if (!list_empty(&dev->meta_cap_active)) { + meta_cap_buf = list_entry(dev->meta_cap_active.next, + struct vivid_buffer, list); + list_del(&meta_cap_buf->list); + } + spin_unlock(&dev->slock); - if (!vid_cap_buf && !vbi_cap_buf) + if (!vid_cap_buf && !vbi_cap_buf && !meta_cap_buf) goto update_mv; f_time = dev->cap_frame_period * dev->vid_cap_seq_count + dev->cap_stream_start + dev->time_wrap_offset; - if (!dev->tstamp_src_is_soe) - f_time += dev->cap_frame_eof_offset; if (vid_cap_buf) { v4l2_ctrl_request_setup(vid_cap_buf->vb.vb2_buf.req_obj.req, @@ -735,6 +741,8 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, vid_cap_buf->vb.vb2_buf.index); vid_cap_buf->vb.vb2_buf.timestamp = f_time; + if (!dev->tstamp_src_is_soe) + vid_cap_buf->vb.vb2_buf.timestamp += dev->cap_frame_eof_offset; } if (vbi_cap_buf) { @@ -756,8 +764,22 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, /* If capturing a VBI, offset by 0.05 */ vbi_period = dev->cap_frame_period * 5; do_div(vbi_period, 100); - vbi_cap_buf->vb.vb2_buf.timestamp = f_time + vbi_period; + vbi_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset + vbi_period; + } + + if (meta_cap_buf) { + v4l2_ctrl_request_setup(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vivid_meta_cap_fillbuff(dev, meta_cap_buf, f_time); + v4l2_ctrl_request_complete(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vb2_buffer_done(&meta_cap_buf->vb.vb2_buf, dev->dqbuf_error ? + VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); + dprintk(dev, 2, "meta_cap %d done\n", + meta_cap_buf->vb.vb2_buf.index); + meta_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset; } + dev->dqbuf_error = false; update_mv: @@ -835,6 +857,7 @@ static int vivid_thread_vid_cap(void *data) dev->cap_seq_count = buffers_since_start + dev->cap_seq_offset; dev->vid_cap_seq_count = dev->cap_seq_count - dev->vid_cap_seq_start; dev->vbi_cap_seq_count = dev->cap_seq_count - dev->vbi_cap_seq_start; + dev->meta_cap_seq_count = dev->cap_seq_count - dev->meta_cap_seq_start; vivid_thread_vid_cap_tick(dev, dropped_bufs); @@ -883,8 +906,10 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) if (pstreaming == &dev->vid_cap_streaming) dev->vid_cap_seq_start = seq_count; - else + else if (pstreaming == &dev->vbi_cap_streaming) dev->vbi_cap_seq_start = seq_count; + else + dev->meta_cap_seq_start = seq_count; *pstreaming = true; return 0; } @@ -894,6 +919,7 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) dev->vid_cap_seq_start = dev->seq_wrap * 128; dev->vbi_cap_seq_start = dev->seq_wrap * 128; + dev->meta_cap_seq_start = dev->seq_wrap * 128; dev->kthread_vid_cap = kthread_run(vivid_thread_vid_cap, dev, "%s-vid-cap", dev->v4l2_dev.name); @@ -951,7 +977,23 @@ void vivid_stop_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) } } - if (dev->vid_cap_streaming || dev->vbi_cap_streaming) + if (pstreaming == &dev->meta_cap_streaming) { + while (!list_empty(&dev->meta_cap_active)) { + struct vivid_buffer *buf; + + buf = list_entry(dev->meta_cap_active.next, + struct vivid_buffer, list); + list_del(&buf->list); + v4l2_ctrl_request_complete(buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + dprintk(dev, 2, "meta_cap buffer %d done\n", + buf->vb.vb2_buf.index); + } + } + + if (dev->vid_cap_streaming || dev->vbi_cap_streaming || + dev->meta_cap_streaming) return; /* shutdown control thread */ diff --git a/drivers/media/platform/vivid/vivid-meta-cap.c b/drivers/media/platform/vivid/vivid-meta-cap.c new file mode 100644 index 000000000000..780f96860a6d --- /dev/null +++ b/drivers/media/platform/vivid/vivid-meta-cap.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * vivid-meta-cap.c - meta capture support functions. + */ + +#include +#include +#include +#include +#include + +#include "vivid-core.h" +#include "vivid-kthread-cap.h" +#include "vivid-meta-cap.h" + +static int meta_cap_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, + unsigned int *nplanes, unsigned int sizes[], + struct device *alloc_devs[]) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + unsigned int size = sizeof(struct vivid_uvc_meta_buf); + + if (!vivid_is_webcam(dev)) + return -EINVAL; + + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + } else { + sizes[0] = size; + } + + if (vq->num_buffers + *nbuffers < 2) + *nbuffers = 2 - vq->num_buffers; + + *nplanes = 1; + return 0; +} + +static int meta_cap_buf_prepare(struct vb2_buffer *vb) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + unsigned int size = sizeof(struct vivid_uvc_meta_buf); + + dprintk(dev, 1, "%s\n", __func__); + + if (dev->buf_prepare_error) { + /* + * Error injection: test what happens if buf_prepare() returns + * an error. + */ + dev->buf_prepare_error = false; + return -EINVAL; + } + if (vb2_plane_size(vb, 0) < size) { + dprintk(dev, 1, "%s data will not fit into plane (%lu < %u)\n", + __func__, vb2_plane_size(vb, 0), size); + return -EINVAL; + } + vb2_set_plane_payload(vb, 0, size); + + return 0; +} + +static void meta_cap_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb); + + dprintk(dev, 1, "%s\n", __func__); + + spin_lock(&dev->slock); + list_add_tail(&buf->list, &dev->meta_cap_active); + spin_unlock(&dev->slock); +} + +static int meta_cap_start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + int err; + + dprintk(dev, 1, "%s\n", __func__); + dev->meta_cap_seq_count = 0; + if (dev->start_streaming_error) { + dev->start_streaming_error = false; + err = -EINVAL; + } else { + err = vivid_start_generating_vid_cap(dev, + &dev->meta_cap_streaming); + } + if (err) { + struct vivid_buffer *buf, *tmp; + + list_for_each_entry_safe(buf, tmp, + &dev->meta_cap_active, list) { + list_del(&buf->list); + vb2_buffer_done(&buf->vb.vb2_buf, + VB2_BUF_STATE_QUEUED); + } + } + return err; +} + +/* abort streaming and wait for last buffer */ +static void meta_cap_stop_streaming(struct vb2_queue *vq) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + + dprintk(dev, 1, "%s\n", __func__); + vivid_stop_generating_vid_cap(dev, &dev->meta_cap_streaming); +} + +static void meta_cap_buf_request_complete(struct vb2_buffer *vb) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + + v4l2_ctrl_request_complete(vb->req_obj.req, &dev->ctrl_hdl_meta_cap); +} + +const struct vb2_ops vivid_meta_cap_qops = { + .queue_setup = meta_cap_queue_setup, + .buf_prepare = meta_cap_buf_prepare, + .buf_queue = meta_cap_buf_queue, + .start_streaming = meta_cap_start_streaming, + .stop_streaming = meta_cap_stop_streaming, + .buf_request_complete = meta_cap_buf_request_complete, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, +}; + +int vidioc_enum_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + struct vivid_dev *dev = video_drvdata(file); + + if (!vivid_is_webcam(dev)) + return -EINVAL; + + if (f->index > 0) + return -EINVAL; + + f->type = V4L2_BUF_TYPE_META_CAPTURE; + f->pixelformat = V4L2_META_FMT_UVC; + return 0; +} + +int vidioc_g_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct vivid_dev *dev = video_drvdata(file); + struct v4l2_meta_format *meta = &f->fmt.meta; + + if (!vivid_is_webcam(dev) || !dev->has_meta_cap) + return -EINVAL; + + meta->dataformat = V4L2_META_FMT_UVC; + meta->buffersize = sizeof(struct vivid_uvc_meta_buf); + return 0; +} + +void vivid_meta_cap_fillbuff(struct vivid_dev *dev, + struct vivid_buffer *buf, u64 soe) +{ + struct vivid_uvc_meta_buf *meta = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); + int buf_off = 0; + + buf->vb.sequence = dev->meta_cap_seq_count; + if (dev->field_cap == V4L2_FIELD_ALTERNATE) + buf->vb.sequence /= 2; + memset(meta, 1, vb2_plane_size(&buf->vb.vb2_buf, 0)); + + meta->ns = ktime_get_ns(); + meta->sof = buf->vb.sequence * 30; + meta->length = sizeof(*meta) - offsetof(struct vivid_uvc_meta_buf, length); + meta->flags = UVC_STREAM_EOH | UVC_STREAM_EOF; + + if ((buf->vb.sequence % 2) == 0) + meta->flags |= UVC_STREAM_FID; + + dprintk(dev, 2, "%s ns:%llu sof:%4d len:%u flags: 0x%02x", + __func__, meta->ns, meta->sof, meta->length, meta->flags); + if (dev->meta_pts) { + meta->flags |= UVC_STREAM_PTS; + meta->buf[0] = div_u64(soe, VIVID_META_CLOCK_UNIT); + buf_off = 4; + dprintk(dev, 2, " pts: %u\n", *(__u32 *)(meta->buf)); + } + + if (dev->meta_scr) { + meta->flags |= UVC_STREAM_SCR; + meta->buf[buf_off] = div_u64((soe + dev->cap_frame_eof_offset), + VIVID_META_CLOCK_UNIT); + + meta->buf[buf_off + 4] = (buf->vb.sequence * 30) % 1000; + dprintk(dev, 2, " stc: %u, sof counter: %u\n", + *(__u32 *)(meta->buf + buf_off), + *(__u16 *)(meta->buf + buf_off + 4)); + } + dprintk(dev, 2, "\n"); +} diff --git a/drivers/media/platform/vivid/vivid-meta-cap.h b/drivers/media/platform/vivid/vivid-meta-cap.h new file mode 100644 index 000000000000..4670d00d1576 --- /dev/null +++ b/drivers/media/platform/vivid/vivid-meta-cap.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * vivid-meta-cap.h - meta capture support functions. + */ +#ifndef _VIVID_META_CAP_H_ +#define _VIVID_META_CAP_H_ + +#define VIVID_META_CLOCK_UNIT 10 /* 100 MHz */ + +struct vivid_uvc_meta_buf { + __u64 ns; + __u16 sof; + __u8 length; + __u8 flags; + __u8 buf[10]; /* PTS(4)+STC(4)+SOF(2) */ +} __packed; + +void vivid_meta_cap_fillbuff(struct vivid_dev *dev, + struct vivid_buffer *buf, u64 soe); + +int vidioc_enum_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f); + +int vidioc_g_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_format *f); + +extern const struct vb2_ops vivid_meta_cap_qops; + +#endif diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index 2d030732feac..e94beef008c8 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -1356,7 +1356,9 @@ int vidioc_s_input(struct file *file, void *priv, unsigned i) if (i == dev->input) return 0; - if (vb2_is_busy(&dev->vb_vid_cap_q) || vb2_is_busy(&dev->vb_vbi_cap_q)) + if (vb2_is_busy(&dev->vb_vid_cap_q) || + vb2_is_busy(&dev->vb_vbi_cap_q) || + vb2_is_busy(&dev->vb_meta_cap_q)) return -EBUSY; dev->input = i; @@ -1366,6 +1368,7 @@ int vidioc_s_input(struct file *file, void *priv, unsigned i) dev->vid_cap_dev.tvnorms = V4L2_STD_ALL; } dev->vbi_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms; + dev->meta_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms; vivid_update_format_cap(dev, false); if (dev->colorspace) { -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: bnvandana at gmail.com (Vandana BN) Date: Tue, 15 Oct 2019 16:10:15 +0530 Subject: [Linux-kernel-mentees] [PATCH v11 1/3] vivid: Add metadata capture support In-Reply-To: <20191015104017.13722-1-bnvandana@gmail.com> References: <20191008072757.22752-1-bnvandana@gmail.com> <20191015104017.13722-1-bnvandana@gmail.com> Message-ID: <20191015104017.13722-2-bnvandana@gmail.com> List-Id: This patch adds meatadata capture support in vivid driver. Adds new files for metadata capture. Adds vivid controls to generate PTS and SCR for metadata stream. also fixes v4l2-compliance issues seen on metadata device. Signed-off-by: Vandana BN --- drivers/media/platform/vivid/Makefile | 2 +- drivers/media/platform/vivid/vivid-core.c | 109 +++++++++- drivers/media/platform/vivid/vivid-core.h | 14 ++ drivers/media/platform/vivid/vivid-ctrls.c | 65 ++++++ .../media/platform/vivid/vivid-kthread-cap.c | 54 ++++- drivers/media/platform/vivid/vivid-meta-cap.c | 201 ++++++++++++++++++ drivers/media/platform/vivid/vivid-meta-cap.h | 29 +++ drivers/media/platform/vivid/vivid-vid-cap.c | 5 +- 8 files changed, 465 insertions(+), 14 deletions(-) create mode 100644 drivers/media/platform/vivid/vivid-meta-cap.c create mode 100644 drivers/media/platform/vivid/vivid-meta-cap.h diff --git a/drivers/media/platform/vivid/Makefile b/drivers/media/platform/vivid/Makefile index 2f5762e3309a..af94abf9bce6 100644 --- a/drivers/media/platform/vivid/Makefile +++ b/drivers/media/platform/vivid/Makefile @@ -3,7 +3,7 @@ vivid-objs := vivid-core.o vivid-ctrls.o vivid-vid-common.o vivid-vbi-gen.o \ vivid-vid-cap.o vivid-vid-out.o vivid-kthread-cap.o vivid-kthread-out.o \ vivid-radio-rx.o vivid-radio-tx.o vivid-radio-common.o \ vivid-rds-gen.o vivid-sdr-cap.o vivid-vbi-cap.o vivid-vbi-out.o \ - vivid-osd.o + vivid-osd.o vivid-meta-cap.o ifeq ($(CONFIG_VIDEO_VIVID_CEC),y) vivid-objs += vivid-cec.o endif diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c index 53315c8dd2bb..a44984536ad0 100644 --- a/drivers/media/platform/vivid/vivid-core.c +++ b/drivers/media/platform/vivid/vivid-core.c @@ -37,6 +37,7 @@ #include "vivid-osd.h" #include "vivid-cec.h" #include "vivid-ctrls.h" +#include "vivid-meta-cap.h" #define VIVID_MODULE_NAME "vivid" @@ -79,6 +80,10 @@ static int radio_tx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; module_param_array(radio_tx_nr, int, NULL, 0444); MODULE_PARM_DESC(radio_tx_nr, " radioX start number, -1 is autodetect"); +static int meta_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; +module_param_array(meta_cap_nr, int, NULL, 0444); +MODULE_PARM_DESC(meta_cap_nr, " videoX start number, -1 is autodetect"); + static int ccs_cap_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; module_param_array(ccs_cap_mode, int, NULL, 0444); MODULE_PARM_DESC(ccs_cap_mode, " capture crop/compose/scale mode:\n" @@ -95,10 +100,15 @@ static unsigned multiplanar[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 1 module_param_array(multiplanar, uint, NULL, 0444); MODULE_PARM_DESC(multiplanar, " 1 (default) creates a single planar device, 2 creates a multiplanar device."); -/* Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + vbi-out + vid-out */ -static unsigned node_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0x1d3d }; +/* + * Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + + * vbi-out + vid-out + meta-cap + */ +static unsigned int node_types[VIVID_MAX_DEVS] = { + [0 ... (VIVID_MAX_DEVS - 1)] = 0x21d3d +}; module_param_array(node_types, uint, NULL, 0444); -MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the following meaning:\n" +MODULE_PARM_DESC(node_types, " node types, default is 0x21d3d. Bitmask with the following meaning:\n" "\t\t bit 0: Video Capture node\n" "\t\t bit 2-3: VBI Capture node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" "\t\t bit 4: Radio Receiver node\n" @@ -106,7 +116,8 @@ MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the f "\t\t bit 8: Video Output node\n" "\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" "\t\t bit 12: Radio Transmitter node\n" - "\t\t bit 16: Framebuffer for testing overlays"); + "\t\t bit 16: Framebuffer for testing overlays\n" + "\t\t bit 17: Metadata Capture node\n"); /* Default: 4 inputs */ static unsigned num_inputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 4 }; @@ -205,7 +216,7 @@ static int vidioc_querycap(struct file *file, void *priv, cap->capabilities = dev->vid_cap_caps | dev->vid_out_caps | dev->vbi_cap_caps | dev->vbi_out_caps | dev->radio_rx_caps | dev->radio_tx_caps | - dev->sdr_cap_caps | V4L2_CAP_DEVICE_CAPS; + dev->sdr_cap_caps | dev->meta_cap_caps | V4L2_CAP_DEVICE_CAPS; return 0; } @@ -433,7 +444,8 @@ static bool vivid_is_last_user(struct vivid_dev *dev) vivid_is_in_use(&dev->vbi_out_dev) + vivid_is_in_use(&dev->sdr_cap_dev) + vivid_is_in_use(&dev->radio_rx_dev) + - vivid_is_in_use(&dev->radio_tx_dev); + vivid_is_in_use(&dev->radio_tx_dev) + + vivid_is_in_use(&dev->meta_cap_dev); return uses == 1; } @@ -459,6 +471,7 @@ static int vivid_fop_release(struct file *file) set_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); + set_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); } mutex_unlock(&dev->mutex); if (file->private_data == dev->overlay_cap_owner) @@ -604,6 +617,11 @@ static const struct v4l2_ioctl_ops vivid_ioctl_ops = { .vidioc_log_status = vidioc_log_status, .vidioc_subscribe_event = vidioc_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + + .vidioc_enum_fmt_meta_cap = vidioc_enum_fmt_meta_cap, + .vidioc_g_fmt_meta_cap = vidioc_g_fmt_meta_cap, + .vidioc_s_fmt_meta_cap = vidioc_g_fmt_meta_cap, + .vidioc_try_fmt_meta_cap = vidioc_g_fmt_meta_cap, }; /* ----------------------------------------------------------------- @@ -818,6 +836,9 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->has_scaler_out ? 'Y' : 'N'); } + /* do we create a meta capture device */ + dev->has_meta_cap = node_type & 0x20000; + /* end detecting feature set */ if (dev->has_vid_cap) { @@ -875,6 +896,16 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR | V4L2_CAP_READWRITE; + /* set up the capabilities of meta capture device */ + if (dev->has_meta_cap) { + dev->meta_cap_caps = V4L2_CAP_META_CAPTURE | + V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; + if (dev->has_audio_inputs) + dev->meta_cap_caps |= V4L2_CAP_AUDIO; + if (in_type_counter[TV]) + dev->meta_cap_caps |= V4L2_CAP_TUNER; + } + ret = -ENOMEM; /* initialize the test pattern generator */ tpg_init(&dev->tpg, 640, 360); @@ -934,6 +965,9 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_AUDIO); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_AUDIO); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_ENUMAUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_AUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_AUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_ENUMAUDIO); } if (!dev->has_audio_outputs) { v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_AUDOUT); @@ -959,12 +993,16 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_FREQUENCY); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_FREQUENCY); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_FREQUENCY); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_FREQUENCY); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_FREQUENCY); } if (!has_tuner) { v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_TUNER); v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_TUNER); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_TUNER); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_TUNER); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_TUNER); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_TUNER); } if (in_type_counter[HDMI] == 0) { v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_EDID); @@ -990,6 +1028,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->sdr_cap_dev, VIDIOC_S_HW_FREQ_SEEK); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FREQUENCY); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FREQUENCY); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMESIZES); @@ -1078,6 +1117,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) INIT_LIST_HEAD(&dev->vbi_cap_active); INIT_LIST_HEAD(&dev->vbi_out_active); INIT_LIST_HEAD(&dev->sdr_cap_active); + INIT_LIST_HEAD(&dev->meta_cap_active); INIT_LIST_HEAD(&dev->cec_work_list); spin_lock_init(&dev->cec_slock); @@ -1225,6 +1265,27 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->fb_info.node); } + if (dev->has_meta_cap) { + /* initialize meta_cap queue */ + q = &dev->vb_meta_cap_q; + q->type = V4L2_BUF_TYPE_META_CAPTURE; + q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; + if (!allocator) + q->io_modes |= VB2_USERPTR; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct vivid_buffer); + q->ops = &vivid_meta_cap_qops; + q->mem_ops = vivid_mem_ops[allocator]; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->min_buffers_needed = 2; + q->lock = &dev->mutex; + q->dev = dev->v4l2_dev.dev; + q->supports_requests = true; + ret = vb2_queue_init(q); + if (ret) + goto unreg_dev; + } + #ifdef CONFIG_VIDEO_VIVID_CEC if (dev->has_vid_cap && in_type_counter[HDMI]) { struct cec_adapter *adap; @@ -1265,6 +1326,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_rx); v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_tx); v4l2_ctrl_handler_setup(&dev->ctrl_hdl_sdr_cap); + v4l2_ctrl_handler_setup(&dev->ctrl_hdl_meta_cap); /* finally start creating the device nodes */ if (dev->has_vid_cap) { @@ -1492,6 +1554,35 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) video_device_node_name(vfd)); } + if (dev->has_meta_cap) { + vfd = &dev->meta_cap_dev; + snprintf(vfd->name, sizeof(vfd->name), + "vivid-%03d-meta-cap", inst); + vfd->fops = &vivid_fops; + vfd->ioctl_ops = &vivid_ioctl_ops; + vfd->device_caps = dev->meta_cap_caps; + vfd->release = video_device_release_empty; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->queue = &dev->vb_meta_cap_q; + vfd->lock = &dev->mutex; + vfd->tvnorms = tvnorms_cap; + video_set_drvdata(vfd, dev); +#ifdef CONFIG_MEDIA_CONTROLLER + dev->meta_cap_pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_pads_init(&vfd->entity, 1, + &dev->meta_cap_pad); + if (ret) + goto unreg_dev; +#endif + ret = video_register_device(vfd, VFL_TYPE_GRABBER, + meta_cap_nr[inst]); + if (ret < 0) + goto unreg_dev; + v4l2_info(&dev->v4l2_dev, + "V4L2 metadata capture device registered as %s\n", + video_device_node_name(vfd)); + } + #ifdef CONFIG_MEDIA_CONTROLLER /* Register the media device */ ret = media_device_register(&dev->mdev); @@ -1508,6 +1599,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) return 0; unreg_dev: + video_unregister_device(&dev->meta_cap_dev); video_unregister_device(&dev->radio_tx_dev); video_unregister_device(&dev->radio_rx_dev); video_unregister_device(&dev->sdr_cap_dev); @@ -1624,6 +1716,11 @@ static int vivid_remove(struct platform_device *pdev) unregister_framebuffer(&dev->fb_info); vivid_fb_release_buffers(dev); } + if (dev->has_meta_cap) { + v4l2_info(&dev->v4l2_dev, "unregistering %s\n", + video_device_node_name(&dev->meta_cap_dev)); + video_unregister_device(&dev->meta_cap_dev); + } cec_unregister_adapter(dev->cec_rx_adap); for (j = 0; j < MAX_OUTPUTS; j++) cec_unregister_adapter(dev->cec_tx_adap[j]); diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h index 7ebb14673c75..fd601345a17c 100644 --- a/drivers/media/platform/vivid/vivid-core.h +++ b/drivers/media/platform/vivid/vivid-core.h @@ -131,6 +131,7 @@ struct vivid_dev { struct media_pad vbi_cap_pad; struct media_pad vbi_out_pad; struct media_pad sdr_cap_pad; + struct media_pad meta_cap_pad; #endif struct v4l2_ctrl_handler ctrl_hdl_user_gen; struct v4l2_ctrl_handler ctrl_hdl_user_vid; @@ -153,6 +154,9 @@ struct vivid_dev { struct v4l2_ctrl_handler ctrl_hdl_radio_tx; struct video_device sdr_cap_dev; struct v4l2_ctrl_handler ctrl_hdl_sdr_cap; + struct video_device meta_cap_dev; + struct v4l2_ctrl_handler ctrl_hdl_meta_cap; + spinlock_t slock; struct mutex mutex; @@ -164,6 +168,7 @@ struct vivid_dev { u32 sdr_cap_caps; u32 radio_rx_caps; u32 radio_tx_caps; + u32 meta_cap_caps; /* supported features */ bool multiplanar; @@ -189,6 +194,7 @@ struct vivid_dev { bool has_radio_tx; bool has_sdr_cap; bool has_fb; + bool has_meta_cap; bool can_loop_video; @@ -390,6 +396,8 @@ struct vivid_dev { struct list_head vid_cap_active; struct vb2_queue vb_vbi_cap_q; struct list_head vbi_cap_active; + struct vb2_queue vb_meta_cap_q; + struct list_head meta_cap_active; /* thread for generating video capture stream */ struct task_struct *kthread_vid_cap; @@ -407,6 +415,9 @@ struct vivid_dev { u32 vbi_cap_seq_count; bool vbi_cap_streaming; bool stream_sliced_vbi_cap; + u32 meta_cap_seq_start; + u32 meta_cap_seq_count; + bool meta_cap_streaming; /* video output */ const struct vivid_fmt *fmt_out; @@ -527,6 +538,9 @@ struct vivid_dev { /* CEC OSD String */ char osd[14]; unsigned long osd_jiffies; + + bool meta_pts; + bool meta_scr; }; static inline bool vivid_is_webcam(const struct vivid_dev *dev) diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c index cb19a9a73092..36e5944b51bb 100644 --- a/drivers/media/platform/vivid/vivid-ctrls.c +++ b/drivers/media/platform/vivid/vivid-ctrls.c @@ -94,6 +94,9 @@ #define VIVID_CID_SDR_CAP_FM_DEVIATION (VIVID_CID_VIVID_BASE + 110) +#define VIVID_CID_META_CAP_GENERATE_PTS (VIVID_CID_VIVID_BASE + 111) +#define VIVID_CID_META_CAP_GENERATE_SCR (VIVID_CID_VIVID_BASE + 112) + /* General User Controls */ static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) @@ -110,6 +113,7 @@ static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) clear_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); clear_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); clear_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); + clear_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); break; case VIVID_CID_BUTTON: dev->button_pressed = 30; @@ -1421,6 +1425,47 @@ static const struct v4l2_ctrl_config vivid_ctrl_sdr_cap_fm_deviation = { .step = 1, }; +/* Metadata Capture Control */ + +static int vivid_meta_cap_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, + ctrl_hdl_meta_cap); + + switch (ctrl->id) { + case VIVID_CID_META_CAP_GENERATE_PTS: + dev->meta_pts = ctrl->val; + break; + case VIVID_CID_META_CAP_GENERATE_SCR: + dev->meta_scr = ctrl->val; + break; + } + return 0; +} + +static const struct v4l2_ctrl_ops vivid_meta_cap_ctrl_ops = { + .s_ctrl = vivid_meta_cap_s_ctrl, +}; + +static const struct v4l2_ctrl_config vivid_ctrl_meta_has_pts = { + .ops = &vivid_meta_cap_ctrl_ops, + .id = VIVID_CID_META_CAP_GENERATE_PTS, + .name = "Generate PTS", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .max = 1, + .def = 1, + .step = 1, +}; + +static const struct v4l2_ctrl_config vivid_ctrl_meta_has_src_clk = { + .ops = &vivid_meta_cap_ctrl_ops, + .id = VIVID_CID_META_CAP_GENERATE_SCR, + .name = "Generate SCR", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .max = 1, + .def = 1, + .step = 1, +}; static const struct v4l2_ctrl_config vivid_ctrl_class = { .ops = &vivid_user_gen_ctrl_ops, @@ -1448,6 +1493,8 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, struct v4l2_ctrl_handler *hdl_radio_rx = &dev->ctrl_hdl_radio_rx; struct v4l2_ctrl_handler *hdl_radio_tx = &dev->ctrl_hdl_radio_tx; struct v4l2_ctrl_handler *hdl_sdr_cap = &dev->ctrl_hdl_sdr_cap; + struct v4l2_ctrl_handler *hdl_meta_cap = &dev->ctrl_hdl_meta_cap; + struct v4l2_ctrl_config vivid_ctrl_dv_timings = { .ops = &vivid_vid_cap_ctrl_ops, .id = VIVID_CID_DV_TIMINGS, @@ -1486,6 +1533,8 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, v4l2_ctrl_new_custom(hdl_radio_tx, &vivid_ctrl_class, NULL); v4l2_ctrl_handler_init(hdl_sdr_cap, 19); v4l2_ctrl_new_custom(hdl_sdr_cap, &vivid_ctrl_class, NULL); + v4l2_ctrl_handler_init(hdl_meta_cap, 2); + v4l2_ctrl_new_custom(hdl_meta_cap, &vivid_ctrl_class, NULL); /* User Controls */ dev->volume = v4l2_ctrl_new_std(hdl_user_aud, NULL, @@ -1743,6 +1792,13 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, v4l2_ctrl_new_custom(hdl_sdr_cap, &vivid_ctrl_sdr_cap_fm_deviation, NULL); } + if (dev->has_meta_cap) { + v4l2_ctrl_new_custom(hdl_meta_cap, + &vivid_ctrl_meta_has_pts, NULL); + v4l2_ctrl_new_custom(hdl_meta_cap, + &vivid_ctrl_meta_has_src_clk, NULL); + } + if (hdl_user_gen->error) return hdl_user_gen->error; if (hdl_user_vid->error) @@ -1817,6 +1873,14 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, return hdl_sdr_cap->error; dev->sdr_cap_dev.ctrl_handler = hdl_sdr_cap; } + if (dev->has_meta_cap) { + v4l2_ctrl_add_handler(hdl_meta_cap, hdl_user_gen, NULL, false); + v4l2_ctrl_add_handler(hdl_meta_cap, hdl_streaming, NULL, false); + if (hdl_meta_cap->error) + return hdl_meta_cap->error; + dev->meta_cap_dev.ctrl_handler = hdl_meta_cap; + } + return 0; } @@ -1836,4 +1900,5 @@ void vivid_free_controls(struct vivid_dev *dev) v4l2_ctrl_handler_free(&dev->ctrl_hdl_sdtv_cap); v4l2_ctrl_handler_free(&dev->ctrl_hdl_loop_cap); v4l2_ctrl_handler_free(&dev->ctrl_hdl_fb); + v4l2_ctrl_handler_free(&dev->ctrl_hdl_meta_cap); } diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c index 003319d7816d..9f981e8bae6e 100644 --- a/drivers/media/platform/vivid/vivid-kthread-cap.c +++ b/drivers/media/platform/vivid/vivid-kthread-cap.c @@ -39,6 +39,7 @@ #include "vivid-osd.h" #include "vivid-ctrls.h" #include "vivid-kthread-cap.h" +#include "vivid-meta-cap.h" static inline v4l2_std_id vivid_get_std_cap(const struct vivid_dev *dev) { @@ -677,6 +678,7 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, { struct vivid_buffer *vid_cap_buf = NULL; struct vivid_buffer *vbi_cap_buf = NULL; + struct vivid_buffer *meta_cap_buf = NULL; u64 f_time = 0; dprintk(dev, 1, "Video Capture Thread Tick\n"); @@ -704,15 +706,19 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, list_del(&vbi_cap_buf->list); } } + if (!list_empty(&dev->meta_cap_active)) { + meta_cap_buf = list_entry(dev->meta_cap_active.next, + struct vivid_buffer, list); + list_del(&meta_cap_buf->list); + } + spin_unlock(&dev->slock); - if (!vid_cap_buf && !vbi_cap_buf) + if (!vid_cap_buf && !vbi_cap_buf && !meta_cap_buf) goto update_mv; f_time = dev->cap_frame_period * dev->vid_cap_seq_count + dev->cap_stream_start + dev->time_wrap_offset; - if (!dev->tstamp_src_is_soe) - f_time += dev->cap_frame_eof_offset; if (vid_cap_buf) { v4l2_ctrl_request_setup(vid_cap_buf->vb.vb2_buf.req_obj.req, @@ -735,6 +741,8 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, vid_cap_buf->vb.vb2_buf.index); vid_cap_buf->vb.vb2_buf.timestamp = f_time; + if (!dev->tstamp_src_is_soe) + vid_cap_buf->vb.vb2_buf.timestamp += dev->cap_frame_eof_offset; } if (vbi_cap_buf) { @@ -756,8 +764,22 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, /* If capturing a VBI, offset by 0.05 */ vbi_period = dev->cap_frame_period * 5; do_div(vbi_period, 100); - vbi_cap_buf->vb.vb2_buf.timestamp = f_time + vbi_period; + vbi_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset + vbi_period; + } + + if (meta_cap_buf) { + v4l2_ctrl_request_setup(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vivid_meta_cap_fillbuff(dev, meta_cap_buf, f_time); + v4l2_ctrl_request_complete(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vb2_buffer_done(&meta_cap_buf->vb.vb2_buf, dev->dqbuf_error ? + VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); + dprintk(dev, 2, "meta_cap %d done\n", + meta_cap_buf->vb.vb2_buf.index); + meta_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset; } + dev->dqbuf_error = false; update_mv: @@ -835,6 +857,7 @@ static int vivid_thread_vid_cap(void *data) dev->cap_seq_count = buffers_since_start + dev->cap_seq_offset; dev->vid_cap_seq_count = dev->cap_seq_count - dev->vid_cap_seq_start; dev->vbi_cap_seq_count = dev->cap_seq_count - dev->vbi_cap_seq_start; + dev->meta_cap_seq_count = dev->cap_seq_count - dev->meta_cap_seq_start; vivid_thread_vid_cap_tick(dev, dropped_bufs); @@ -883,8 +906,10 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) if (pstreaming == &dev->vid_cap_streaming) dev->vid_cap_seq_start = seq_count; - else + else if (pstreaming == &dev->vbi_cap_streaming) dev->vbi_cap_seq_start = seq_count; + else + dev->meta_cap_seq_start = seq_count; *pstreaming = true; return 0; } @@ -894,6 +919,7 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) dev->vid_cap_seq_start = dev->seq_wrap * 128; dev->vbi_cap_seq_start = dev->seq_wrap * 128; + dev->meta_cap_seq_start = dev->seq_wrap * 128; dev->kthread_vid_cap = kthread_run(vivid_thread_vid_cap, dev, "%s-vid-cap", dev->v4l2_dev.name); @@ -951,7 +977,23 @@ void vivid_stop_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) } } - if (dev->vid_cap_streaming || dev->vbi_cap_streaming) + if (pstreaming == &dev->meta_cap_streaming) { + while (!list_empty(&dev->meta_cap_active)) { + struct vivid_buffer *buf; + + buf = list_entry(dev->meta_cap_active.next, + struct vivid_buffer, list); + list_del(&buf->list); + v4l2_ctrl_request_complete(buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + dprintk(dev, 2, "meta_cap buffer %d done\n", + buf->vb.vb2_buf.index); + } + } + + if (dev->vid_cap_streaming || dev->vbi_cap_streaming || + dev->meta_cap_streaming) return; /* shutdown control thread */ diff --git a/drivers/media/platform/vivid/vivid-meta-cap.c b/drivers/media/platform/vivid/vivid-meta-cap.c new file mode 100644 index 000000000000..780f96860a6d --- /dev/null +++ b/drivers/media/platform/vivid/vivid-meta-cap.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * vivid-meta-cap.c - meta capture support functions. + */ + +#include +#include +#include +#include +#include + +#include "vivid-core.h" +#include "vivid-kthread-cap.h" +#include "vivid-meta-cap.h" + +static int meta_cap_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, + unsigned int *nplanes, unsigned int sizes[], + struct device *alloc_devs[]) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + unsigned int size = sizeof(struct vivid_uvc_meta_buf); + + if (!vivid_is_webcam(dev)) + return -EINVAL; + + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + } else { + sizes[0] = size; + } + + if (vq->num_buffers + *nbuffers < 2) + *nbuffers = 2 - vq->num_buffers; + + *nplanes = 1; + return 0; +} + +static int meta_cap_buf_prepare(struct vb2_buffer *vb) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + unsigned int size = sizeof(struct vivid_uvc_meta_buf); + + dprintk(dev, 1, "%s\n", __func__); + + if (dev->buf_prepare_error) { + /* + * Error injection: test what happens if buf_prepare() returns + * an error. + */ + dev->buf_prepare_error = false; + return -EINVAL; + } + if (vb2_plane_size(vb, 0) < size) { + dprintk(dev, 1, "%s data will not fit into plane (%lu < %u)\n", + __func__, vb2_plane_size(vb, 0), size); + return -EINVAL; + } + vb2_set_plane_payload(vb, 0, size); + + return 0; +} + +static void meta_cap_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb); + + dprintk(dev, 1, "%s\n", __func__); + + spin_lock(&dev->slock); + list_add_tail(&buf->list, &dev->meta_cap_active); + spin_unlock(&dev->slock); +} + +static int meta_cap_start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + int err; + + dprintk(dev, 1, "%s\n", __func__); + dev->meta_cap_seq_count = 0; + if (dev->start_streaming_error) { + dev->start_streaming_error = false; + err = -EINVAL; + } else { + err = vivid_start_generating_vid_cap(dev, + &dev->meta_cap_streaming); + } + if (err) { + struct vivid_buffer *buf, *tmp; + + list_for_each_entry_safe(buf, tmp, + &dev->meta_cap_active, list) { + list_del(&buf->list); + vb2_buffer_done(&buf->vb.vb2_buf, + VB2_BUF_STATE_QUEUED); + } + } + return err; +} + +/* abort streaming and wait for last buffer */ +static void meta_cap_stop_streaming(struct vb2_queue *vq) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + + dprintk(dev, 1, "%s\n", __func__); + vivid_stop_generating_vid_cap(dev, &dev->meta_cap_streaming); +} + +static void meta_cap_buf_request_complete(struct vb2_buffer *vb) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + + v4l2_ctrl_request_complete(vb->req_obj.req, &dev->ctrl_hdl_meta_cap); +} + +const struct vb2_ops vivid_meta_cap_qops = { + .queue_setup = meta_cap_queue_setup, + .buf_prepare = meta_cap_buf_prepare, + .buf_queue = meta_cap_buf_queue, + .start_streaming = meta_cap_start_streaming, + .stop_streaming = meta_cap_stop_streaming, + .buf_request_complete = meta_cap_buf_request_complete, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, +}; + +int vidioc_enum_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + struct vivid_dev *dev = video_drvdata(file); + + if (!vivid_is_webcam(dev)) + return -EINVAL; + + if (f->index > 0) + return -EINVAL; + + f->type = V4L2_BUF_TYPE_META_CAPTURE; + f->pixelformat = V4L2_META_FMT_UVC; + return 0; +} + +int vidioc_g_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct vivid_dev *dev = video_drvdata(file); + struct v4l2_meta_format *meta = &f->fmt.meta; + + if (!vivid_is_webcam(dev) || !dev->has_meta_cap) + return -EINVAL; + + meta->dataformat = V4L2_META_FMT_UVC; + meta->buffersize = sizeof(struct vivid_uvc_meta_buf); + return 0; +} + +void vivid_meta_cap_fillbuff(struct vivid_dev *dev, + struct vivid_buffer *buf, u64 soe) +{ + struct vivid_uvc_meta_buf *meta = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); + int buf_off = 0; + + buf->vb.sequence = dev->meta_cap_seq_count; + if (dev->field_cap == V4L2_FIELD_ALTERNATE) + buf->vb.sequence /= 2; + memset(meta, 1, vb2_plane_size(&buf->vb.vb2_buf, 0)); + + meta->ns = ktime_get_ns(); + meta->sof = buf->vb.sequence * 30; + meta->length = sizeof(*meta) - offsetof(struct vivid_uvc_meta_buf, length); + meta->flags = UVC_STREAM_EOH | UVC_STREAM_EOF; + + if ((buf->vb.sequence % 2) == 0) + meta->flags |= UVC_STREAM_FID; + + dprintk(dev, 2, "%s ns:%llu sof:%4d len:%u flags: 0x%02x", + __func__, meta->ns, meta->sof, meta->length, meta->flags); + if (dev->meta_pts) { + meta->flags |= UVC_STREAM_PTS; + meta->buf[0] = div_u64(soe, VIVID_META_CLOCK_UNIT); + buf_off = 4; + dprintk(dev, 2, " pts: %u\n", *(__u32 *)(meta->buf)); + } + + if (dev->meta_scr) { + meta->flags |= UVC_STREAM_SCR; + meta->buf[buf_off] = div_u64((soe + dev->cap_frame_eof_offset), + VIVID_META_CLOCK_UNIT); + + meta->buf[buf_off + 4] = (buf->vb.sequence * 30) % 1000; + dprintk(dev, 2, " stc: %u, sof counter: %u\n", + *(__u32 *)(meta->buf + buf_off), + *(__u16 *)(meta->buf + buf_off + 4)); + } + dprintk(dev, 2, "\n"); +} diff --git a/drivers/media/platform/vivid/vivid-meta-cap.h b/drivers/media/platform/vivid/vivid-meta-cap.h new file mode 100644 index 000000000000..4670d00d1576 --- /dev/null +++ b/drivers/media/platform/vivid/vivid-meta-cap.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * vivid-meta-cap.h - meta capture support functions. + */ +#ifndef _VIVID_META_CAP_H_ +#define _VIVID_META_CAP_H_ + +#define VIVID_META_CLOCK_UNIT 10 /* 100 MHz */ + +struct vivid_uvc_meta_buf { + __u64 ns; + __u16 sof; + __u8 length; + __u8 flags; + __u8 buf[10]; /* PTS(4)+STC(4)+SOF(2) */ +} __packed; + +void vivid_meta_cap_fillbuff(struct vivid_dev *dev, + struct vivid_buffer *buf, u64 soe); + +int vidioc_enum_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f); + +int vidioc_g_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_format *f); + +extern const struct vb2_ops vivid_meta_cap_qops; + +#endif diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index 2d030732feac..e94beef008c8 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -1356,7 +1356,9 @@ int vidioc_s_input(struct file *file, void *priv, unsigned i) if (i == dev->input) return 0; - if (vb2_is_busy(&dev->vb_vid_cap_q) || vb2_is_busy(&dev->vb_vbi_cap_q)) + if (vb2_is_busy(&dev->vb_vid_cap_q) || + vb2_is_busy(&dev->vb_vbi_cap_q) || + vb2_is_busy(&dev->vb_meta_cap_q)) return -EBUSY; dev->input = i; @@ -1366,6 +1368,7 @@ int vidioc_s_input(struct file *file, void *priv, unsigned i) dev->vid_cap_dev.tvnorms = V4L2_STD_ALL; } dev->vbi_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms; + dev->meta_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms; vivid_update_format_cap(dev, false); if (dev->colorspace) { -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: bnvandana@gmail.com (Vandana BN) Date: Tue, 15 Oct 2019 16:10:15 +0530 Subject: [Linux-kernel-mentees] [PATCH v11 1/3] vivid: Add metadata capture support In-Reply-To: <20191015104017.13722-1-bnvandana@gmail.com> References: <20191008072757.22752-1-bnvandana@gmail.com> <20191015104017.13722-1-bnvandana@gmail.com> Message-ID: <20191015104017.13722-2-bnvandana@gmail.com> List-Id: Content-Type: text/plain; charset="UTF-8" Message-ID: <20191015104015.Dut3aHcJ3Lp2gQ7fZLG4CmBhq7YRqVSYkPlKD6j4e0w@z> This patch adds meatadata capture support in vivid driver. Adds new files for metadata capture. Adds vivid controls to generate PTS and SCR for metadata stream. also fixes v4l2-compliance issues seen on metadata device. Signed-off-by: Vandana BN --- drivers/media/platform/vivid/Makefile | 2 +- drivers/media/platform/vivid/vivid-core.c | 109 +++++++++- drivers/media/platform/vivid/vivid-core.h | 14 ++ drivers/media/platform/vivid/vivid-ctrls.c | 65 ++++++ .../media/platform/vivid/vivid-kthread-cap.c | 54 ++++- drivers/media/platform/vivid/vivid-meta-cap.c | 201 ++++++++++++++++++ drivers/media/platform/vivid/vivid-meta-cap.h | 29 +++ drivers/media/platform/vivid/vivid-vid-cap.c | 5 +- 8 files changed, 465 insertions(+), 14 deletions(-) create mode 100644 drivers/media/platform/vivid/vivid-meta-cap.c create mode 100644 drivers/media/platform/vivid/vivid-meta-cap.h diff --git a/drivers/media/platform/vivid/Makefile b/drivers/media/platform/vivid/Makefile index 2f5762e3309a..af94abf9bce6 100644 --- a/drivers/media/platform/vivid/Makefile +++ b/drivers/media/platform/vivid/Makefile @@ -3,7 +3,7 @@ vivid-objs := vivid-core.o vivid-ctrls.o vivid-vid-common.o vivid-vbi-gen.o \ vivid-vid-cap.o vivid-vid-out.o vivid-kthread-cap.o vivid-kthread-out.o \ vivid-radio-rx.o vivid-radio-tx.o vivid-radio-common.o \ vivid-rds-gen.o vivid-sdr-cap.o vivid-vbi-cap.o vivid-vbi-out.o \ - vivid-osd.o + vivid-osd.o vivid-meta-cap.o ifeq ($(CONFIG_VIDEO_VIVID_CEC),y) vivid-objs += vivid-cec.o endif diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c index 53315c8dd2bb..a44984536ad0 100644 --- a/drivers/media/platform/vivid/vivid-core.c +++ b/drivers/media/platform/vivid/vivid-core.c @@ -37,6 +37,7 @@ #include "vivid-osd.h" #include "vivid-cec.h" #include "vivid-ctrls.h" +#include "vivid-meta-cap.h" #define VIVID_MODULE_NAME "vivid" @@ -79,6 +80,10 @@ static int radio_tx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; module_param_array(radio_tx_nr, int, NULL, 0444); MODULE_PARM_DESC(radio_tx_nr, " radioX start number, -1 is autodetect"); +static int meta_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; +module_param_array(meta_cap_nr, int, NULL, 0444); +MODULE_PARM_DESC(meta_cap_nr, " videoX start number, -1 is autodetect"); + static int ccs_cap_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; module_param_array(ccs_cap_mode, int, NULL, 0444); MODULE_PARM_DESC(ccs_cap_mode, " capture crop/compose/scale mode:\n" @@ -95,10 +100,15 @@ static unsigned multiplanar[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 1 module_param_array(multiplanar, uint, NULL, 0444); MODULE_PARM_DESC(multiplanar, " 1 (default) creates a single planar device, 2 creates a multiplanar device."); -/* Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + vbi-out + vid-out */ -static unsigned node_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0x1d3d }; +/* + * Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + + * vbi-out + vid-out + meta-cap + */ +static unsigned int node_types[VIVID_MAX_DEVS] = { + [0 ... (VIVID_MAX_DEVS - 1)] = 0x21d3d +}; module_param_array(node_types, uint, NULL, 0444); -MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the following meaning:\n" +MODULE_PARM_DESC(node_types, " node types, default is 0x21d3d. Bitmask with the following meaning:\n" "\t\t bit 0: Video Capture node\n" "\t\t bit 2-3: VBI Capture node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" "\t\t bit 4: Radio Receiver node\n" @@ -106,7 +116,8 @@ MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the f "\t\t bit 8: Video Output node\n" "\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" "\t\t bit 12: Radio Transmitter node\n" - "\t\t bit 16: Framebuffer for testing overlays"); + "\t\t bit 16: Framebuffer for testing overlays\n" + "\t\t bit 17: Metadata Capture node\n"); /* Default: 4 inputs */ static unsigned num_inputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 4 }; @@ -205,7 +216,7 @@ static int vidioc_querycap(struct file *file, void *priv, cap->capabilities = dev->vid_cap_caps | dev->vid_out_caps | dev->vbi_cap_caps | dev->vbi_out_caps | dev->radio_rx_caps | dev->radio_tx_caps | - dev->sdr_cap_caps | V4L2_CAP_DEVICE_CAPS; + dev->sdr_cap_caps | dev->meta_cap_caps | V4L2_CAP_DEVICE_CAPS; return 0; } @@ -433,7 +444,8 @@ static bool vivid_is_last_user(struct vivid_dev *dev) vivid_is_in_use(&dev->vbi_out_dev) + vivid_is_in_use(&dev->sdr_cap_dev) + vivid_is_in_use(&dev->radio_rx_dev) + - vivid_is_in_use(&dev->radio_tx_dev); + vivid_is_in_use(&dev->radio_tx_dev) + + vivid_is_in_use(&dev->meta_cap_dev); return uses == 1; } @@ -459,6 +471,7 @@ static int vivid_fop_release(struct file *file) set_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); set_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); + set_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); } mutex_unlock(&dev->mutex); if (file->private_data == dev->overlay_cap_owner) @@ -604,6 +617,11 @@ static const struct v4l2_ioctl_ops vivid_ioctl_ops = { .vidioc_log_status = vidioc_log_status, .vidioc_subscribe_event = vidioc_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + + .vidioc_enum_fmt_meta_cap = vidioc_enum_fmt_meta_cap, + .vidioc_g_fmt_meta_cap = vidioc_g_fmt_meta_cap, + .vidioc_s_fmt_meta_cap = vidioc_g_fmt_meta_cap, + .vidioc_try_fmt_meta_cap = vidioc_g_fmt_meta_cap, }; /* ----------------------------------------------------------------- @@ -818,6 +836,9 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->has_scaler_out ? 'Y' : 'N'); } + /* do we create a meta capture device */ + dev->has_meta_cap = node_type & 0x20000; + /* end detecting feature set */ if (dev->has_vid_cap) { @@ -875,6 +896,16 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR | V4L2_CAP_READWRITE; + /* set up the capabilities of meta capture device */ + if (dev->has_meta_cap) { + dev->meta_cap_caps = V4L2_CAP_META_CAPTURE | + V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; + if (dev->has_audio_inputs) + dev->meta_cap_caps |= V4L2_CAP_AUDIO; + if (in_type_counter[TV]) + dev->meta_cap_caps |= V4L2_CAP_TUNER; + } + ret = -ENOMEM; /* initialize the test pattern generator */ tpg_init(&dev->tpg, 640, 360); @@ -934,6 +965,9 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_AUDIO); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_AUDIO); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_ENUMAUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_AUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_AUDIO); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_ENUMAUDIO); } if (!dev->has_audio_outputs) { v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_AUDOUT); @@ -959,12 +993,16 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_FREQUENCY); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_FREQUENCY); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_FREQUENCY); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_FREQUENCY); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_FREQUENCY); } if (!has_tuner) { v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_TUNER); v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_TUNER); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_TUNER); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_TUNER); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_TUNER); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_TUNER); } if (in_type_counter[HDMI] == 0) { v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_EDID); @@ -990,6 +1028,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->sdr_cap_dev, VIDIOC_S_HW_FREQ_SEEK); + v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_HW_FREQ_SEEK); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FREQUENCY); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FREQUENCY); v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMESIZES); @@ -1078,6 +1117,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) INIT_LIST_HEAD(&dev->vbi_cap_active); INIT_LIST_HEAD(&dev->vbi_out_active); INIT_LIST_HEAD(&dev->sdr_cap_active); + INIT_LIST_HEAD(&dev->meta_cap_active); INIT_LIST_HEAD(&dev->cec_work_list); spin_lock_init(&dev->cec_slock); @@ -1225,6 +1265,27 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) dev->fb_info.node); } + if (dev->has_meta_cap) { + /* initialize meta_cap queue */ + q = &dev->vb_meta_cap_q; + q->type = V4L2_BUF_TYPE_META_CAPTURE; + q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; + if (!allocator) + q->io_modes |= VB2_USERPTR; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct vivid_buffer); + q->ops = &vivid_meta_cap_qops; + q->mem_ops = vivid_mem_ops[allocator]; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->min_buffers_needed = 2; + q->lock = &dev->mutex; + q->dev = dev->v4l2_dev.dev; + q->supports_requests = true; + ret = vb2_queue_init(q); + if (ret) + goto unreg_dev; + } + #ifdef CONFIG_VIDEO_VIVID_CEC if (dev->has_vid_cap && in_type_counter[HDMI]) { struct cec_adapter *adap; @@ -1265,6 +1326,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_rx); v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_tx); v4l2_ctrl_handler_setup(&dev->ctrl_hdl_sdr_cap); + v4l2_ctrl_handler_setup(&dev->ctrl_hdl_meta_cap); /* finally start creating the device nodes */ if (dev->has_vid_cap) { @@ -1492,6 +1554,35 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) video_device_node_name(vfd)); } + if (dev->has_meta_cap) { + vfd = &dev->meta_cap_dev; + snprintf(vfd->name, sizeof(vfd->name), + "vivid-%03d-meta-cap", inst); + vfd->fops = &vivid_fops; + vfd->ioctl_ops = &vivid_ioctl_ops; + vfd->device_caps = dev->meta_cap_caps; + vfd->release = video_device_release_empty; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->queue = &dev->vb_meta_cap_q; + vfd->lock = &dev->mutex; + vfd->tvnorms = tvnorms_cap; + video_set_drvdata(vfd, dev); +#ifdef CONFIG_MEDIA_CONTROLLER + dev->meta_cap_pad.flags = MEDIA_PAD_FL_SINK; + ret = media_entity_pads_init(&vfd->entity, 1, + &dev->meta_cap_pad); + if (ret) + goto unreg_dev; +#endif + ret = video_register_device(vfd, VFL_TYPE_GRABBER, + meta_cap_nr[inst]); + if (ret < 0) + goto unreg_dev; + v4l2_info(&dev->v4l2_dev, + "V4L2 metadata capture device registered as %s\n", + video_device_node_name(vfd)); + } + #ifdef CONFIG_MEDIA_CONTROLLER /* Register the media device */ ret = media_device_register(&dev->mdev); @@ -1508,6 +1599,7 @@ static int vivid_create_instance(struct platform_device *pdev, int inst) return 0; unreg_dev: + video_unregister_device(&dev->meta_cap_dev); video_unregister_device(&dev->radio_tx_dev); video_unregister_device(&dev->radio_rx_dev); video_unregister_device(&dev->sdr_cap_dev); @@ -1624,6 +1716,11 @@ static int vivid_remove(struct platform_device *pdev) unregister_framebuffer(&dev->fb_info); vivid_fb_release_buffers(dev); } + if (dev->has_meta_cap) { + v4l2_info(&dev->v4l2_dev, "unregistering %s\n", + video_device_node_name(&dev->meta_cap_dev)); + video_unregister_device(&dev->meta_cap_dev); + } cec_unregister_adapter(dev->cec_rx_adap); for (j = 0; j < MAX_OUTPUTS; j++) cec_unregister_adapter(dev->cec_tx_adap[j]); diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h index 7ebb14673c75..fd601345a17c 100644 --- a/drivers/media/platform/vivid/vivid-core.h +++ b/drivers/media/platform/vivid/vivid-core.h @@ -131,6 +131,7 @@ struct vivid_dev { struct media_pad vbi_cap_pad; struct media_pad vbi_out_pad; struct media_pad sdr_cap_pad; + struct media_pad meta_cap_pad; #endif struct v4l2_ctrl_handler ctrl_hdl_user_gen; struct v4l2_ctrl_handler ctrl_hdl_user_vid; @@ -153,6 +154,9 @@ struct vivid_dev { struct v4l2_ctrl_handler ctrl_hdl_radio_tx; struct video_device sdr_cap_dev; struct v4l2_ctrl_handler ctrl_hdl_sdr_cap; + struct video_device meta_cap_dev; + struct v4l2_ctrl_handler ctrl_hdl_meta_cap; + spinlock_t slock; struct mutex mutex; @@ -164,6 +168,7 @@ struct vivid_dev { u32 sdr_cap_caps; u32 radio_rx_caps; u32 radio_tx_caps; + u32 meta_cap_caps; /* supported features */ bool multiplanar; @@ -189,6 +194,7 @@ struct vivid_dev { bool has_radio_tx; bool has_sdr_cap; bool has_fb; + bool has_meta_cap; bool can_loop_video; @@ -390,6 +396,8 @@ struct vivid_dev { struct list_head vid_cap_active; struct vb2_queue vb_vbi_cap_q; struct list_head vbi_cap_active; + struct vb2_queue vb_meta_cap_q; + struct list_head meta_cap_active; /* thread for generating video capture stream */ struct task_struct *kthread_vid_cap; @@ -407,6 +415,9 @@ struct vivid_dev { u32 vbi_cap_seq_count; bool vbi_cap_streaming; bool stream_sliced_vbi_cap; + u32 meta_cap_seq_start; + u32 meta_cap_seq_count; + bool meta_cap_streaming; /* video output */ const struct vivid_fmt *fmt_out; @@ -527,6 +538,9 @@ struct vivid_dev { /* CEC OSD String */ char osd[14]; unsigned long osd_jiffies; + + bool meta_pts; + bool meta_scr; }; static inline bool vivid_is_webcam(const struct vivid_dev *dev) diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c index cb19a9a73092..36e5944b51bb 100644 --- a/drivers/media/platform/vivid/vivid-ctrls.c +++ b/drivers/media/platform/vivid/vivid-ctrls.c @@ -94,6 +94,9 @@ #define VIVID_CID_SDR_CAP_FM_DEVIATION (VIVID_CID_VIVID_BASE + 110) +#define VIVID_CID_META_CAP_GENERATE_PTS (VIVID_CID_VIVID_BASE + 111) +#define VIVID_CID_META_CAP_GENERATE_SCR (VIVID_CID_VIVID_BASE + 112) + /* General User Controls */ static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) @@ -110,6 +113,7 @@ static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) clear_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); clear_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); clear_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); + clear_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); break; case VIVID_CID_BUTTON: dev->button_pressed = 30; @@ -1421,6 +1425,47 @@ static const struct v4l2_ctrl_config vivid_ctrl_sdr_cap_fm_deviation = { .step = 1, }; +/* Metadata Capture Control */ + +static int vivid_meta_cap_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, + ctrl_hdl_meta_cap); + + switch (ctrl->id) { + case VIVID_CID_META_CAP_GENERATE_PTS: + dev->meta_pts = ctrl->val; + break; + case VIVID_CID_META_CAP_GENERATE_SCR: + dev->meta_scr = ctrl->val; + break; + } + return 0; +} + +static const struct v4l2_ctrl_ops vivid_meta_cap_ctrl_ops = { + .s_ctrl = vivid_meta_cap_s_ctrl, +}; + +static const struct v4l2_ctrl_config vivid_ctrl_meta_has_pts = { + .ops = &vivid_meta_cap_ctrl_ops, + .id = VIVID_CID_META_CAP_GENERATE_PTS, + .name = "Generate PTS", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .max = 1, + .def = 1, + .step = 1, +}; + +static const struct v4l2_ctrl_config vivid_ctrl_meta_has_src_clk = { + .ops = &vivid_meta_cap_ctrl_ops, + .id = VIVID_CID_META_CAP_GENERATE_SCR, + .name = "Generate SCR", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .max = 1, + .def = 1, + .step = 1, +}; static const struct v4l2_ctrl_config vivid_ctrl_class = { .ops = &vivid_user_gen_ctrl_ops, @@ -1448,6 +1493,8 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, struct v4l2_ctrl_handler *hdl_radio_rx = &dev->ctrl_hdl_radio_rx; struct v4l2_ctrl_handler *hdl_radio_tx = &dev->ctrl_hdl_radio_tx; struct v4l2_ctrl_handler *hdl_sdr_cap = &dev->ctrl_hdl_sdr_cap; + struct v4l2_ctrl_handler *hdl_meta_cap = &dev->ctrl_hdl_meta_cap; + struct v4l2_ctrl_config vivid_ctrl_dv_timings = { .ops = &vivid_vid_cap_ctrl_ops, .id = VIVID_CID_DV_TIMINGS, @@ -1486,6 +1533,8 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, v4l2_ctrl_new_custom(hdl_radio_tx, &vivid_ctrl_class, NULL); v4l2_ctrl_handler_init(hdl_sdr_cap, 19); v4l2_ctrl_new_custom(hdl_sdr_cap, &vivid_ctrl_class, NULL); + v4l2_ctrl_handler_init(hdl_meta_cap, 2); + v4l2_ctrl_new_custom(hdl_meta_cap, &vivid_ctrl_class, NULL); /* User Controls */ dev->volume = v4l2_ctrl_new_std(hdl_user_aud, NULL, @@ -1743,6 +1792,13 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, v4l2_ctrl_new_custom(hdl_sdr_cap, &vivid_ctrl_sdr_cap_fm_deviation, NULL); } + if (dev->has_meta_cap) { + v4l2_ctrl_new_custom(hdl_meta_cap, + &vivid_ctrl_meta_has_pts, NULL); + v4l2_ctrl_new_custom(hdl_meta_cap, + &vivid_ctrl_meta_has_src_clk, NULL); + } + if (hdl_user_gen->error) return hdl_user_gen->error; if (hdl_user_vid->error) @@ -1817,6 +1873,14 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap, return hdl_sdr_cap->error; dev->sdr_cap_dev.ctrl_handler = hdl_sdr_cap; } + if (dev->has_meta_cap) { + v4l2_ctrl_add_handler(hdl_meta_cap, hdl_user_gen, NULL, false); + v4l2_ctrl_add_handler(hdl_meta_cap, hdl_streaming, NULL, false); + if (hdl_meta_cap->error) + return hdl_meta_cap->error; + dev->meta_cap_dev.ctrl_handler = hdl_meta_cap; + } + return 0; } @@ -1836,4 +1900,5 @@ void vivid_free_controls(struct vivid_dev *dev) v4l2_ctrl_handler_free(&dev->ctrl_hdl_sdtv_cap); v4l2_ctrl_handler_free(&dev->ctrl_hdl_loop_cap); v4l2_ctrl_handler_free(&dev->ctrl_hdl_fb); + v4l2_ctrl_handler_free(&dev->ctrl_hdl_meta_cap); } diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c index 003319d7816d..9f981e8bae6e 100644 --- a/drivers/media/platform/vivid/vivid-kthread-cap.c +++ b/drivers/media/platform/vivid/vivid-kthread-cap.c @@ -39,6 +39,7 @@ #include "vivid-osd.h" #include "vivid-ctrls.h" #include "vivid-kthread-cap.h" +#include "vivid-meta-cap.h" static inline v4l2_std_id vivid_get_std_cap(const struct vivid_dev *dev) { @@ -677,6 +678,7 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, { struct vivid_buffer *vid_cap_buf = NULL; struct vivid_buffer *vbi_cap_buf = NULL; + struct vivid_buffer *meta_cap_buf = NULL; u64 f_time = 0; dprintk(dev, 1, "Video Capture Thread Tick\n"); @@ -704,15 +706,19 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, list_del(&vbi_cap_buf->list); } } + if (!list_empty(&dev->meta_cap_active)) { + meta_cap_buf = list_entry(dev->meta_cap_active.next, + struct vivid_buffer, list); + list_del(&meta_cap_buf->list); + } + spin_unlock(&dev->slock); - if (!vid_cap_buf && !vbi_cap_buf) + if (!vid_cap_buf && !vbi_cap_buf && !meta_cap_buf) goto update_mv; f_time = dev->cap_frame_period * dev->vid_cap_seq_count + dev->cap_stream_start + dev->time_wrap_offset; - if (!dev->tstamp_src_is_soe) - f_time += dev->cap_frame_eof_offset; if (vid_cap_buf) { v4l2_ctrl_request_setup(vid_cap_buf->vb.vb2_buf.req_obj.req, @@ -735,6 +741,8 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, vid_cap_buf->vb.vb2_buf.index); vid_cap_buf->vb.vb2_buf.timestamp = f_time; + if (!dev->tstamp_src_is_soe) + vid_cap_buf->vb.vb2_buf.timestamp += dev->cap_frame_eof_offset; } if (vbi_cap_buf) { @@ -756,8 +764,22 @@ static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev, /* If capturing a VBI, offset by 0.05 */ vbi_period = dev->cap_frame_period * 5; do_div(vbi_period, 100); - vbi_cap_buf->vb.vb2_buf.timestamp = f_time + vbi_period; + vbi_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset + vbi_period; + } + + if (meta_cap_buf) { + v4l2_ctrl_request_setup(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vivid_meta_cap_fillbuff(dev, meta_cap_buf, f_time); + v4l2_ctrl_request_complete(meta_cap_buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vb2_buffer_done(&meta_cap_buf->vb.vb2_buf, dev->dqbuf_error ? + VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); + dprintk(dev, 2, "meta_cap %d done\n", + meta_cap_buf->vb.vb2_buf.index); + meta_cap_buf->vb.vb2_buf.timestamp = f_time + dev->cap_frame_eof_offset; } + dev->dqbuf_error = false; update_mv: @@ -835,6 +857,7 @@ static int vivid_thread_vid_cap(void *data) dev->cap_seq_count = buffers_since_start + dev->cap_seq_offset; dev->vid_cap_seq_count = dev->cap_seq_count - dev->vid_cap_seq_start; dev->vbi_cap_seq_count = dev->cap_seq_count - dev->vbi_cap_seq_start; + dev->meta_cap_seq_count = dev->cap_seq_count - dev->meta_cap_seq_start; vivid_thread_vid_cap_tick(dev, dropped_bufs); @@ -883,8 +906,10 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) if (pstreaming == &dev->vid_cap_streaming) dev->vid_cap_seq_start = seq_count; - else + else if (pstreaming == &dev->vbi_cap_streaming) dev->vbi_cap_seq_start = seq_count; + else + dev->meta_cap_seq_start = seq_count; *pstreaming = true; return 0; } @@ -894,6 +919,7 @@ int vivid_start_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) dev->vid_cap_seq_start = dev->seq_wrap * 128; dev->vbi_cap_seq_start = dev->seq_wrap * 128; + dev->meta_cap_seq_start = dev->seq_wrap * 128; dev->kthread_vid_cap = kthread_run(vivid_thread_vid_cap, dev, "%s-vid-cap", dev->v4l2_dev.name); @@ -951,7 +977,23 @@ void vivid_stop_generating_vid_cap(struct vivid_dev *dev, bool *pstreaming) } } - if (dev->vid_cap_streaming || dev->vbi_cap_streaming) + if (pstreaming == &dev->meta_cap_streaming) { + while (!list_empty(&dev->meta_cap_active)) { + struct vivid_buffer *buf; + + buf = list_entry(dev->meta_cap_active.next, + struct vivid_buffer, list); + list_del(&buf->list); + v4l2_ctrl_request_complete(buf->vb.vb2_buf.req_obj.req, + &dev->ctrl_hdl_meta_cap); + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + dprintk(dev, 2, "meta_cap buffer %d done\n", + buf->vb.vb2_buf.index); + } + } + + if (dev->vid_cap_streaming || dev->vbi_cap_streaming || + dev->meta_cap_streaming) return; /* shutdown control thread */ diff --git a/drivers/media/platform/vivid/vivid-meta-cap.c b/drivers/media/platform/vivid/vivid-meta-cap.c new file mode 100644 index 000000000000..780f96860a6d --- /dev/null +++ b/drivers/media/platform/vivid/vivid-meta-cap.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * vivid-meta-cap.c - meta capture support functions. + */ + +#include +#include +#include +#include +#include + +#include "vivid-core.h" +#include "vivid-kthread-cap.h" +#include "vivid-meta-cap.h" + +static int meta_cap_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, + unsigned int *nplanes, unsigned int sizes[], + struct device *alloc_devs[]) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + unsigned int size = sizeof(struct vivid_uvc_meta_buf); + + if (!vivid_is_webcam(dev)) + return -EINVAL; + + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + } else { + sizes[0] = size; + } + + if (vq->num_buffers + *nbuffers < 2) + *nbuffers = 2 - vq->num_buffers; + + *nplanes = 1; + return 0; +} + +static int meta_cap_buf_prepare(struct vb2_buffer *vb) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + unsigned int size = sizeof(struct vivid_uvc_meta_buf); + + dprintk(dev, 1, "%s\n", __func__); + + if (dev->buf_prepare_error) { + /* + * Error injection: test what happens if buf_prepare() returns + * an error. + */ + dev->buf_prepare_error = false; + return -EINVAL; + } + if (vb2_plane_size(vb, 0) < size) { + dprintk(dev, 1, "%s data will not fit into plane (%lu < %u)\n", + __func__, vb2_plane_size(vb, 0), size); + return -EINVAL; + } + vb2_set_plane_payload(vb, 0, size); + + return 0; +} + +static void meta_cap_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb); + + dprintk(dev, 1, "%s\n", __func__); + + spin_lock(&dev->slock); + list_add_tail(&buf->list, &dev->meta_cap_active); + spin_unlock(&dev->slock); +} + +static int meta_cap_start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + int err; + + dprintk(dev, 1, "%s\n", __func__); + dev->meta_cap_seq_count = 0; + if (dev->start_streaming_error) { + dev->start_streaming_error = false; + err = -EINVAL; + } else { + err = vivid_start_generating_vid_cap(dev, + &dev->meta_cap_streaming); + } + if (err) { + struct vivid_buffer *buf, *tmp; + + list_for_each_entry_safe(buf, tmp, + &dev->meta_cap_active, list) { + list_del(&buf->list); + vb2_buffer_done(&buf->vb.vb2_buf, + VB2_BUF_STATE_QUEUED); + } + } + return err; +} + +/* abort streaming and wait for last buffer */ +static void meta_cap_stop_streaming(struct vb2_queue *vq) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vq); + + dprintk(dev, 1, "%s\n", __func__); + vivid_stop_generating_vid_cap(dev, &dev->meta_cap_streaming); +} + +static void meta_cap_buf_request_complete(struct vb2_buffer *vb) +{ + struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); + + v4l2_ctrl_request_complete(vb->req_obj.req, &dev->ctrl_hdl_meta_cap); +} + +const struct vb2_ops vivid_meta_cap_qops = { + .queue_setup = meta_cap_queue_setup, + .buf_prepare = meta_cap_buf_prepare, + .buf_queue = meta_cap_buf_queue, + .start_streaming = meta_cap_start_streaming, + .stop_streaming = meta_cap_stop_streaming, + .buf_request_complete = meta_cap_buf_request_complete, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, +}; + +int vidioc_enum_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + struct vivid_dev *dev = video_drvdata(file); + + if (!vivid_is_webcam(dev)) + return -EINVAL; + + if (f->index > 0) + return -EINVAL; + + f->type = V4L2_BUF_TYPE_META_CAPTURE; + f->pixelformat = V4L2_META_FMT_UVC; + return 0; +} + +int vidioc_g_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct vivid_dev *dev = video_drvdata(file); + struct v4l2_meta_format *meta = &f->fmt.meta; + + if (!vivid_is_webcam(dev) || !dev->has_meta_cap) + return -EINVAL; + + meta->dataformat = V4L2_META_FMT_UVC; + meta->buffersize = sizeof(struct vivid_uvc_meta_buf); + return 0; +} + +void vivid_meta_cap_fillbuff(struct vivid_dev *dev, + struct vivid_buffer *buf, u64 soe) +{ + struct vivid_uvc_meta_buf *meta = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); + int buf_off = 0; + + buf->vb.sequence = dev->meta_cap_seq_count; + if (dev->field_cap == V4L2_FIELD_ALTERNATE) + buf->vb.sequence /= 2; + memset(meta, 1, vb2_plane_size(&buf->vb.vb2_buf, 0)); + + meta->ns = ktime_get_ns(); + meta->sof = buf->vb.sequence * 30; + meta->length = sizeof(*meta) - offsetof(struct vivid_uvc_meta_buf, length); + meta->flags = UVC_STREAM_EOH | UVC_STREAM_EOF; + + if ((buf->vb.sequence % 2) == 0) + meta->flags |= UVC_STREAM_FID; + + dprintk(dev, 2, "%s ns:%llu sof:%4d len:%u flags: 0x%02x", + __func__, meta->ns, meta->sof, meta->length, meta->flags); + if (dev->meta_pts) { + meta->flags |= UVC_STREAM_PTS; + meta->buf[0] = div_u64(soe, VIVID_META_CLOCK_UNIT); + buf_off = 4; + dprintk(dev, 2, " pts: %u\n", *(__u32 *)(meta->buf)); + } + + if (dev->meta_scr) { + meta->flags |= UVC_STREAM_SCR; + meta->buf[buf_off] = div_u64((soe + dev->cap_frame_eof_offset), + VIVID_META_CLOCK_UNIT); + + meta->buf[buf_off + 4] = (buf->vb.sequence * 30) % 1000; + dprintk(dev, 2, " stc: %u, sof counter: %u\n", + *(__u32 *)(meta->buf + buf_off), + *(__u16 *)(meta->buf + buf_off + 4)); + } + dprintk(dev, 2, "\n"); +} diff --git a/drivers/media/platform/vivid/vivid-meta-cap.h b/drivers/media/platform/vivid/vivid-meta-cap.h new file mode 100644 index 000000000000..4670d00d1576 --- /dev/null +++ b/drivers/media/platform/vivid/vivid-meta-cap.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * vivid-meta-cap.h - meta capture support functions. + */ +#ifndef _VIVID_META_CAP_H_ +#define _VIVID_META_CAP_H_ + +#define VIVID_META_CLOCK_UNIT 10 /* 100 MHz */ + +struct vivid_uvc_meta_buf { + __u64 ns; + __u16 sof; + __u8 length; + __u8 flags; + __u8 buf[10]; /* PTS(4)+STC(4)+SOF(2) */ +} __packed; + +void vivid_meta_cap_fillbuff(struct vivid_dev *dev, + struct vivid_buffer *buf, u64 soe); + +int vidioc_enum_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f); + +int vidioc_g_fmt_meta_cap(struct file *file, void *priv, + struct v4l2_format *f); + +extern const struct vb2_ops vivid_meta_cap_qops; + +#endif diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index 2d030732feac..e94beef008c8 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -1356,7 +1356,9 @@ int vidioc_s_input(struct file *file, void *priv, unsigned i) if (i == dev->input) return 0; - if (vb2_is_busy(&dev->vb_vid_cap_q) || vb2_is_busy(&dev->vb_vbi_cap_q)) + if (vb2_is_busy(&dev->vb_vid_cap_q) || + vb2_is_busy(&dev->vb_vbi_cap_q) || + vb2_is_busy(&dev->vb_meta_cap_q)) return -EBUSY; dev->input = i; @@ -1366,6 +1368,7 @@ int vidioc_s_input(struct file *file, void *priv, unsigned i) dev->vid_cap_dev.tvnorms = V4L2_STD_ALL; } dev->vbi_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms; + dev->meta_cap_dev.tvnorms = dev->vid_cap_dev.tvnorms; vivid_update_format_cap(dev, false); if (dev->colorspace) { -- 2.17.1