From: Jungo Lin <jungo.lin@mediatek.com>
To: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: ryan.yu@mediatek.com, frankie.chiu@mediatek.com,
laurent.pinchart@ideasonboard.com, robh@kernel.org,
Rynn.Wu@mediatek.com, suleiman@chromium.org,
Jerry-ch.Chen@mediatek.com, frederic.chen@mediatek.com,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
sj.huang@mediatek.com, yuzhao@chromium.org,
linux-mediatek@lists.infradead.org,
Pi-Hsun Shih <pihsun@chromium.org>,
matthias.bgg@gmail.com, mchehab@kernel.org,
linux-arm-kernel@lists.infradead.org, Sean.Cheng@mediatek.com,
srv_heupstream@mediatek.com, shik@chromium.org,
tfiga@chromium.org, zwisler@chromium.org,
ddavenport@chromium.org
Subject: Re: [v6, 5/5] media: platform: Add Mediatek ISP P1 V4L2 device driver
Date: Tue, 28 Jan 2020 10:13:47 +0800 [thread overview]
Message-ID: <1580177627.13350.8.camel@mtksdccf07> (raw)
In-Reply-To: <c481734a-c706-2ea9-3888-ab2fb9c805ef@xs4all.nl>
Hi, Hans:
On Thu, 2020-01-23 at 14:59 +0100, Hans Verkuil wrote:
> Hi Jungo,
>
> On 12/19/19 6:49 AM, Jungo Lin wrote:
> > This patch adds the Mediatek ISP P1 HW control device driver.
> > It handles the ISP HW configuration, provides interrupt handling and
> > initializes the V4L2 device nodes and other V4L2 functions. Moreover,
> > implement standard V4L2 video driver that utilizes V4L2 and media
> > framework APIs. It supports one media device, one sub-device and
> > several video devices during initialization. Moreover, it also connects
> > with sensor and seninf drivers with V4L2 async APIs. Communicate with
> > co-process via SCP communication to compose ISP registers in the
> > firmware.
> >
> > (The current metadata interface used in meta input and partial
> > meta nodes is only a temporary solution to kick off the driver
> > development and is not ready to be reviewed yet.)
> >
> > Signed-off-by: Jungo Lin <jungo.lin@mediatek.com>
> > Signed-off-by: Tomasz Figa <tfiga@chromium.org>
> > Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
> > ---
> > Changes from v6:
> > - Revise help description for VIDEO_MEDIATEK_ISP_PASS1
> > - Apply SCP v21 change in P1 driver by Pi-Hsun Shih
> > - Correct auto suspend timer value for suspend/resume issue
> > - Increase IPI guard timer to 1 second to avoid false alarm command timeout event
> > - Fix KE due to no sen-inf sub-device
> > ---
> > drivers/media/platform/mtk-isp/Kconfig | 20 +
> > .../media/platform/mtk-isp/isp_50/Makefile | 3 +
> > .../platform/mtk-isp/isp_50/cam/Makefile | 6 +
> > .../platform/mtk-isp/isp_50/cam/mtk_cam-hw.c | 636 +++++
> > .../platform/mtk-isp/isp_50/cam/mtk_cam-hw.h | 64 +
> > .../platform/mtk-isp/isp_50/cam/mtk_cam-ipi.h | 222 ++
> > .../mtk-isp/isp_50/cam/mtk_cam-regs.h | 95 +
> > .../platform/mtk-isp/isp_50/cam/mtk_cam.c | 2087 +++++++++++++++++
> > .../platform/mtk-isp/isp_50/cam/mtk_cam.h | 244 ++
> > 9 files changed, 3377 insertions(+)
> > create mode 100644 drivers/media/platform/mtk-isp/Kconfig
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/Makefile
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/Makefile
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-hw.c
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-hw.h
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-ipi.h
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam-regs.h
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam.c
> > create mode 100644 drivers/media/platform/mtk-isp/isp_50/cam/mtk_cam.h
>
> <snip>
>
> > +static void isp_tx_frame_worker(struct work_struct *work)
> > +{
> > + struct mtk_cam_dev_request *req =
> > + container_of(work, struct mtk_cam_dev_request, frame_work);
> > + struct mtk_cam_dev *cam =
> > + container_of(req->req.mdev, struct mtk_cam_dev, media_dev);
> > + struct mtk_isp_p1_device *p1_dev = dev_get_drvdata(cam->dev);
> > +
> > + scp_ipi_send(p1_dev->scp, SCP_IPI_ISP_FRAME, &req->frame_params,
> > + sizeof(req->frame_params), MTK_ISP_IPI_SEND_TIMEOUT);
> > +}
>
> <snip>
>
> > +void mtk_isp_req_enqueue(struct mtk_cam_dev *cam,
> > + struct mtk_cam_dev_request *req)
> > +{
> > + struct mtk_isp_p1_device *p1_dev = dev_get_drvdata(cam->dev);
> > +
> > + /* Accumulated frame sequence number */
> > + req->frame_params.frame_seq_no = ++p1_dev->enqueued_frame_seq_no;
> > +
> > + INIT_WORK(&req->frame_work, isp_tx_frame_worker);
> > + queue_work(p1_dev->composer_wq, &req->frame_work);
> > + dev_dbg(cam->dev, "enqueue fd:%s frame_seq_no:%d job cnt:%d\n",
> > + req->req.debug_str, req->frame_params.frame_seq_no,
> > + cam->running_job_count);
> > +}
>
> <snip>
>
> > +/*
> > + * struct dma_buffer - DMA buffer address information
> > + *
> > + * @iova: DMA address for ISP DMA device
> > + * @scp_addr: SCP address for external co-process unit
> > + *
> > + */
> > +struct dma_buffer {
> > + u32 iova;
> > + u32 scp_addr;
> > +} __packed;
>
> <snip>
>
> > +static void mtk_cam_vb2_buf_queue(struct vb2_buffer *vb)
> > +{
> > + struct mtk_cam_dev *cam = vb2_get_drv_priv(vb->vb2_queue);
> > + struct mtk_cam_dev_buffer *buf = mtk_cam_vb2_buf_to_dev_buf(vb);
> > + struct mtk_cam_dev_request *req = mtk_cam_req_to_dev_req(vb->request);
> > + struct mtk_cam_video_device *node = mtk_cam_vbq_to_vdev(vb->vb2_queue);
> > + struct device *dev = cam->dev;
> > + unsigned long flags;
> > +
> > + dev_dbg(dev, "%s: node:%d fd:%d idx:%d\n", __func__,
> > + node->id, buf->vbb.request_fd, buf->vbb.vb2_buf.index);
> > +
> > + /* added the buffer into the tracking list */
> > + spin_lock_irqsave(&node->buf_list_lock, flags);
> > + list_add_tail(&buf->list, &node->buf_list);
> > + spin_unlock_irqrestore(&node->buf_list_lock, flags);
> > +
> > + /* update buffer internal address */
> > + req->frame_params.dma_bufs[buf->node_id].iova = buf->daddr;
> > + req->frame_params.dma_bufs[buf->node_id].scp_addr = buf->scp_addr;
> > +}
> > +
>
> <snip>
>
> > +/*
> > + * struct mtk_p1_frame_param - MTK ISP P1 driver frame parameters.
> > + *
> > + * @frame_seq_no: The frame sequence of frame in driver layer.
> > + * @dma_bufs: The DMA buffer address information of enabled DMA nodes.
> > + *
> > + */
> > +struct mtk_p1_frame_param {
> > + unsigned int frame_seq_no;
> > + struct dma_buffer dma_bufs[MTK_CAM_P1_TOTAL_NODES];
> > +} __packed;
>
> So if I understand this correctly, to set the ISP frame parameters userspace
> provides an array of pointers to other memory areas that are magically created
> somewhere and containing magic, undocumented data.
>
> I know you said that this is 'not ready to be reviewed yet', but I just wanted
> to mention that this is of course not acceptable and needs to be replaced with
> a documented metadata structure that userspace can pass in the metadata buffer.
>
> Just ignore this email if you were already planning on doing that. I just wanted
> to make sure that it is clear that the current approach won't fly.
>
> Regards,
>
> Hans
>
Thanks for your comment.
Firstly, I think I miss meta data types definition in this series.
https://patchwork.kernel.org/patch/11126055/
include/uapi/linux/videodev2.h
+#define V4L2_META_FMT_MTISP_3A v4l2_fourcc('M', 'T', 'f', 'a') /*
AE/AWB histogram */
+#define V4L2_META_FMT_MTISP_AF v4l2_fourcc('M', 'T', 'f', 'f') /* AF
histogram */
+#define V4L2_META_FMT_MTISP_LCS v4l2_fourcc('M', 'T', 'f', 'c') /*
Local contrast enhanced statistics */
+#define V4L2_META_FMT_MTISP_LMV v4l2_fourcc('M', 'T', 'f', 'm') /*
Local motion vector histogram */
+#define V4L2_META_FMT_MTISP_PARAMS v4l2_fourcc('M', 'T', 'f', 'p') /*
ISP tuning parameters */
We will correct this missing error in next patch set.
Secondly, we are working on the documented meta-data structures for
these meta nodes, especially on 4L2_META_FMT_MTISP_PARAMS which is used
for tuning parameters from user space.
Sincerely
Jungo
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next prev parent reply other threads:[~2020-01-28 2:24 UTC|newest]
Thread overview: 131+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Jungo Lin <jungo.lin@mediatek.com>
2019-04-02 10:04 ` [PATCH v1] media: media_device_enum_links32: fix missing reserved field copy Jungo Lin
2019-04-02 11:33 ` Laurent Pinchart
2019-04-03 0:30 ` Jungo Lin
2019-04-03 1:44 ` [PATCH] media: media_device_enum_links32: clean a reserved field Jungo Lin
2019-05-10 1:57 ` [RFC, V2, 00/11] meida: platform: mtk-isp: Add Mediatek ISP Pass 1 driver Jungo Lin
2019-05-10 1:57 ` [RFC, V2, 01/11] dt-bindings: mt8183: Add binding for ISP Pass 1 reserved memory Jungo Lin
2019-05-14 19:50 ` [RFC,V2,01/11] " Rob Herring
2019-05-15 13:02 ` Jungo Lin
2019-05-10 1:57 ` [RFC,V2,02/11] dts: arm64: mt8183: Add ISP Pass 1 shared memory node Jungo Lin
2019-05-10 1:57 ` [RFC,V2,03/11] dt-bindings: mt8183: Added camera ISP Pass 1 Jungo Lin
2019-05-14 19:54 ` Rob Herring
2019-05-16 6:12 ` Jungo Lin
2019-05-10 1:57 ` [RFC,V2,04/11] dts: arm64: mt8183: Add ISP Pass 1 nodes Jungo Lin
2019-05-10 1:57 ` [RFC, V2, 05/11] media: platform: Add Mediatek ISP Pass 1 driver Kconfig Jungo Lin
2019-05-10 1:57 ` [RFC, V2, 06/11] media: platform: Add Mediatek ISP P1 image & meta formats Jungo Lin
2019-05-13 8:35 ` Hans Verkuil
2019-05-15 12:49 ` Jungo Lin
2019-05-10 1:58 ` [RFC,V2,07/11] media: platform: Add Mediatek ISP P1 private control Jungo Lin
2019-05-13 8:46 ` Hans Verkuil
[not found] ` <49a8ba54-aba4-1915-6732-987a58e8bd3c-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org>
2019-05-14 6:23 ` Jungo Lin
2019-10-02 10:55 ` Sakari Ailus
2019-10-02 11:02 ` Sakari Ailus
[not found] ` <Jungo Lin <jungo.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2019-05-10 1:58 ` [RFC,V2,08/11] media: platform: Add Mediatek ISP P1 V4L2 functions Jungo Lin
2019-05-24 18:49 ` Drew Davenport
2019-05-28 1:00 ` Jungo Lin
2019-05-10 1:58 ` [RFC,V2,09/11] media: platform: Add Mediatek ISP P1 device driver Jungo Lin
2019-05-24 21:19 ` [RFC, V2, 09/11] " Drew Davenport
2019-05-27 13:07 ` Jungo Lin
2019-05-10 1:58 ` [RFC, V2, 10/11] media: platform: Add Mediatek ISP P1 SCP communication Jungo Lin
2019-05-10 1:58 ` [RFC, V2, 11/11] media: platform: Add Mediatek ISP P1 shared memory device Jungo Lin
2019-08-07 12:47 ` [RFC, v4, 0/4] media: platform: mtk-isp: Add Mediatek ISP Pass 1 driver Jungo Lin
2019-08-07 12:48 ` [RFC,v4,1/4] media: dt-bindings: mt8183: Added camera ISP Pass 1 Jungo Lin
2019-08-21 19:47 ` Rob Herring
2019-08-22 12:47 ` Jungo Lin
[not found] ` <20190807124803.29884-2-jungo.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2019-08-21 20:17 ` Rob Herring
2019-08-22 12:48 ` Jungo Lin
2019-08-07 12:48 ` [RFC,v4,2/4] dts: arm64: mt8183: Add ISP Pass 1 nodes Jungo Lin
2019-08-07 12:48 ` [RFC, v4, 3/4] media: platform: Add Mediatek ISP P1 image & meta formats Jungo Lin
2019-08-07 12:48 ` [RFC,v4,4/4] media: platform: Add Mediatek ISP P1 V4L2 device driver Jungo Lin
2019-09-02 7:51 ` [RFC, v5, 0/5] media: platform: mtk-isp: Add Mediatek ISP Pass 1 driver Jungo Lin
2019-09-02 7:51 ` [RFC,v5, 1/5] media: dt-bindings: mt8183: Added camera ISP Pass 1 Jungo Lin
2019-09-02 15:17 ` [RFC, v5, " Rob Herring
2019-09-02 7:51 ` [RFC,v5, 2/5] dts: arm64: mt8183: Add ISP Pass 1 nodes Jungo Lin
2019-09-02 7:51 ` [RFC,v5, 3/5] media: videodev2.h: Add new boottime timestamp type Jungo Lin
2019-09-02 7:51 ` [RFC, v5, 4/5] media: pixfmt: Add Mediatek ISP P1 image & meta formats Jungo Lin
2019-09-02 7:51 ` [RFC, v5, 5/5] media: platform: Add Mediatek ISP P1 V4L2 device driver Jungo Lin
2019-12-19 5:49 ` [v6, 0/5] media: media: platform: mtk-isp: Add Mediatek ISP Pass 1 driver Jungo Lin
2019-12-19 5:49 ` [v6, 1/5] media: dt-bindings: mt8183: Added camera ISP Pass 1 Jungo Lin
2020-03-31 15:34 ` Helen Koike
2020-04-10 10:04 ` Jungo Lin
2019-12-19 5:49 ` [v6, 2/5] dts: arm64: mt8183: Add ISP Pass 1 nodes Jungo Lin
2019-12-19 5:49 ` [v6, 3/5] media: videodev2.h: Add new boottime timestamp type Jungo Lin
2020-01-07 14:10 ` Hans Verkuil
2020-01-10 10:08 ` Jungo Lin
2019-12-19 5:49 ` [v6, 4/5] media: platform: Add Mediatek ISP P1 image & meta formats Jungo Lin
2020-04-03 2:30 ` Laurent Pinchart
2020-04-10 10:00 ` Jungo Lin
2019-12-19 5:49 ` [v6, 5/5] media: platform: Add Mediatek ISP P1 V4L2 device driver Jungo Lin
2020-01-23 13:59 ` Hans Verkuil
2020-01-28 2:13 ` Jungo Lin [this message]
2020-03-31 15:34 ` Helen Koike
2020-04-09 2:05 ` Jungo Lin
2020-04-14 12:25 ` Helen Koike
[not found] ` <b2c30e560e9b4ec488957ca62bae09fe@mtkmbs01n2.mediatek.inc>
2020-05-04 12:27 ` Jungo Lin
2020-05-05 15:38 ` Helen Koike
2020-04-02 16:45 ` Dafna Hirschfeld
2020-04-09 2:49 ` Jungo Lin
2020-03-31 15:34 ` [v6, 0/5] media: media: platform: mtk-isp: Add Mediatek ISP Pass 1 driver Helen Koike
2020-04-10 10:32 ` Jungo Lin
2020-04-14 12:25 ` Helen Koike
[not found] ` <1fd3615eb18f48ada186bfe228fc907b@mtkmbs01n2.mediatek.inc>
2020-05-04 12:40 ` Jungo Lin
2020-05-05 15:30 ` Helen Koike
2020-05-05 16:18 ` Tomasz Figa
[not found] <jungo.lin@mediatek.com>
2019-03-28 9:56 ` [RFC V1 00/12] meida: " Jungo Lin
2019-03-28 9:56 ` [RFC V1 01/12] dt-bindings: mt8183: Add binding for ISP Pass 1 reserved memory Jungo Lin
2019-03-28 9:56 ` [RFC V1 02/12] dts: arm64: mt8183: Add ISP Pass 1 shared memory node Jungo Lin
2019-03-28 9:56 ` [RFC V1 03/12] dt-bindings: mt8183: Added cam-smem dt-bindings Jungo Lin
2019-03-28 9:56 ` [RFC V1 04/12] dt-bindings: mt8183: Added camera ISP Pass 1 Jungo Lin
2019-03-28 9:56 ` [RFC V1 05/12] dts: arm64: mt8183: Add ISP Pass 1 nodes Jungo Lin
2019-03-28 9:56 ` [RFC V1 08/12] media: platform: Add Mediatek ISP P1 private control Jungo Lin
2019-03-28 9:56 ` [RFC V1 09/12] media: platform: Add Mediatek ISP P1 V4L2 functions Jungo Lin
2019-03-28 9:56 ` [RFC V1 10/12] media: platform: Add Mediatek ISP P1 device driver Jungo Lin
[not found] ` <1553767007-11909-1-git-send-email-jungo.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2019-03-28 9:56 ` [RFC V1 06/12] media: platform: Add Mediatek ISP Pass 1 driver Kconfig Jungo Lin
2019-03-28 9:56 ` [RFC V1 07/12] media: platform: Add Mediatek ISP P1 image & meta formats Jungo Lin
2019-03-28 9:56 ` [RFC V1 11/12] media: platform: Add Mediatek ISP P1 SCP communication Jungo Lin
2019-03-28 9:56 ` [RFC V1 12/12] media: platform: Add Mediatek ISP P1 shared memory driver Jungo Lin
2019-06-11 3:53 ` [RFC, V3 0/9] media: platform: mtk-isp: Add Mediatek ISP Pass 1 driver Jungo Lin
2019-06-11 3:53 ` [RFC,v3 1/9] dt-bindings: mt8183: Added camera ISP Pass 1 Jungo Lin
2019-06-11 3:53 ` [RFC,v3 2/9] dts: arm64: mt8183: Add ISP Pass 1 nodes Jungo Lin
2019-06-11 3:53 ` [RFC,v3 3/9] media: platform: Add Mediatek ISP Pass 1 driver Kconfig Jungo Lin
2019-06-11 3:53 ` [RFC, v3 4/9] media: platform: Add Mediatek ISP P1 image & meta formats Jungo Lin
2019-06-11 3:53 ` [RFC,v3 5/9] media: platform: Add Mediatek ISP P1 V4L2 control Jungo Lin
2019-07-01 5:50 ` Tomasz Figa
2019-07-02 11:34 ` Jungo Lin
2019-06-11 3:53 ` [RFC,v3 6/9] media: platform: Add Mediatek ISP P1 V4L2 functions Jungo Lin
2019-07-10 9:54 ` Tomasz Figa
2019-07-18 4:39 ` Jungo Lin
2019-07-23 10:21 ` Tomasz Figa
2019-07-24 4:31 ` Jungo Lin
2019-07-26 5:49 ` Tomasz Figa
2019-07-29 1:18 ` Jungo Lin
2019-07-29 10:04 ` Tomasz Figa
2019-07-30 1:44 ` Jungo Lin
2019-08-05 9:59 ` Tomasz Figa
2019-06-11 3:53 ` [RFC,v3 7/9] media: platform: Add Mediatek ISP P1 device driver Jungo Lin
2019-07-10 9:56 ` Tomasz Figa
2019-07-20 9:58 ` Jungo Lin
2019-07-25 9:23 ` Tomasz Figa
2019-07-26 7:23 ` Jungo Lin
2019-08-06 9:47 ` Tomasz Figa
2019-08-07 2:11 ` Jungo Lin
2019-08-07 13:25 ` Tomasz Figa
2019-06-11 3:53 ` [RFC,v3 8/9] media: platform: Add Mediatek ISP P1 SCP communication Jungo Lin
[not found] ` <20190611035344.29814-9-jungo.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2019-07-10 9:58 ` Tomasz Figa
2019-07-21 2:18 ` Jungo Lin
2019-07-25 10:56 ` [RFC, v3 " Tomasz Figa
2019-07-26 8:07 ` [RFC,v3 " Jungo Lin
2019-06-11 3:53 ` [RFC, v3 9/9] media: platform: Add Mediatek ISP P1 shared memory device Jungo Lin
2019-07-01 7:25 ` [RFC,v3 " Tomasz Figa
2019-07-05 3:33 ` Jungo Lin
2019-07-05 4:22 ` [RFC, v3 " Tomasz Figa
[not found] ` <CAAFQd5BaTQ-Q7gsE0X+d4_81OZq9WHaCYkmALt7_4A1JFo=_8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-07-05 5:44 ` [RFC,v3 " Jungo Lin
2019-07-05 7:59 ` Jungo Lin
2019-07-23 7:20 ` [RFC, v3 " Tomasz Figa
[not found] ` <CAAFQd5AaNFpMGCVJREY85n8UetEwd99TOka8-ECoLzMbMkos_g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-07-23 8:21 ` Jungo Lin
2019-07-26 5:15 ` Tomasz Figa
[not found] ` <CAAFQd5Bh80N+cMhz=eyHUGJLaE5uuypOawQvHrTgGSMDvmcpLA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-07-26 7:41 ` Christoph Hellwig
2019-07-26 7:42 ` Tomasz Figa
[not found] ` <CAAFQd5CXwRm-3jD+rfNNDNLH=gT_i0QYSAG3XBo3SJnPTY56_w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-07-26 11:04 ` Robin Murphy
[not found] ` <4460bc91-352a-7f3a-cbed-1b95e743ca8c-5wv7dgnIgG8@public.gmane.org>
2019-07-26 11:59 ` Jungo Lin
2019-07-26 14:04 ` Tomasz Figa
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