Re: [PATCH v2 0/8] Qualcomm video decoder/encoder driver

[Hans Verkuil]

One thing you need to add is a patch for the MAINTAINERS file. It needs
an entry for this new driver.

I think pretty much all new drivers I've reviewed recently forgot to update
that file :-(

Regards,

	Hans

On 09/07/16 13:37, Stanimir Varbanov wrote:
> Changes since v1:
>   - s/ENOTSUPP/EINVAL in vidc_set_color_format()
>   - use video_device_alloc
>   - fill struct device pointer in vb2_queue_init instead of .setup_queue
>   - fill device_caps in struct video_device instead of .vidioc_querycap
>   - fill colorspace, ycbcr_enc, quantization and xfer_func only when type
>     is V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE
>   - delete rproc_boot|shutdown wrappers in core.c
>   - delete unused list_head in struct vidc_core
>   - delete mem.c|h and inline the function where they were used
>   - delete int_bufs.c|h files and move the functions in helpers.c, also
>     cleanup the code by removing buffer reuse mechanism
>   - inline INIT_VIDC_LIST macro
>   - rename queue to other_queue in .start_streaming for encoder and
>     decoder
>   - renamed vidc_buf_descs -> vidc_get_bufreq
>   - optimize instance checks in vidc_open
>   - moved resources structure in core.c and delete resources.c|h
>   - delete streamon and streamoff flags
>
> The previous v1 can be found at [1].
>
> [1] https://lkml.org/lkml/2016/8/22/308
>
> The output of v4l2-compliance for decoder and encoder are:
>
> root@dragonboard-410c:/home/linaro# ./v4l2-compliance -d /dev/video0
> v4l2-compliance SHA   : abc1453dfe89f244dccd3460d8e1a2e3091cbadb
>
> Driver Info:
>         Driver name   : vidc
>         Card type     : video decoder
>         Bus info      : platform:vidc
>         Driver version: 4.8.0
>         Capabilities  : 0x84204000
>                 Video Memory-to-Memory Multiplanar
>                 Streaming
>                 Extended Pix Format
>                 Device Capabilities
>         Device Caps   : 0x04204000
>                 Video Memory-to-Memory Multiplanar
>                 Streaming
>                 Extended Pix Format
>
> Compliance test for device /dev/video0 (not using libv4l2):
>
> Required ioctls:
>         test VIDIOC_QUERYCAP: OK
>
> Allow for multiple opens:
>         test second video open: OK
>         test VIDIOC_QUERYCAP: OK
>         test VIDIOC_G/S_PRIORITY: OK
>         test for unlimited opens: OK
>
> Debug ioctls:
>         test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
>         test VIDIOC_LOG_STATUS: OK (Not Supported)
>
> Input ioctls:
>         test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
>         test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
>         test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
>         test VIDIOC_ENUMAUDIO: OK (Not Supported)
>         test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
>         test VIDIOC_G/S_AUDIO: OK (Not Supported)
>         Inputs: 0 Audio Inputs: 0 Tuners: 0
>
> Output ioctls:
>         test VIDIOC_G/S_MODULATOR: OK (Not Supported)
>         test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
>         test VIDIOC_ENUMAUDOUT: OK (Not Supported)
>         test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
>         test VIDIOC_G/S_AUDOUT: OK (Not Supported)
>         Outputs: 0 Audio Outputs: 0 Modulators: 0
>
> Input/Output configuration ioctls:
>         test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
>         test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
>         test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
>         test VIDIOC_G/S_EDID: OK (Not Supported)
>
>         Control ioctls:
>                 test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
>                 test VIDIOC_QUERYCTRL: OK
>                 test VIDIOC_G/S_CTRL: OK
>                 test VIDIOC_G/S/TRY_EXT_CTRLS: OK
>                 test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
>                 test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
>                 Standard Controls: 7 Private Controls: 0
>
>         Format ioctls:
>                 test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
>                 test VIDIOC_G/S_PARM: OK
>                 test VIDIOC_G_FBUF: OK (Not Supported)
>                 test VIDIOC_G_FMT: OK
>                 test VIDIOC_TRY_FMT: OK
>                 test VIDIOC_S_FMT: OK
>                 test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
>                 test Cropping: OK (Not Supported)
>                 test Composing: OK (Not Supported)
>                 test Scaling: OK
>
>         Codec ioctls:
>                 test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
>                 test VIDIOC_G_ENC_INDEX: OK (Not Supported)
>                 test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
>
>         Buffer ioctls:
>                 test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
>                 test VIDIOC_EXPBUF: OK
>
> Test input 0:
>
>
> Total: 43, Succeeded: 43, Failed: 0, Warnings: 0
>
>
> root@dragonboard-410c:/home/linaro# ./v4l2-compliance -d /dev/video1
> v4l2-compliance SHA   : abc1453dfe89f244dccd3460d8e1a2e3091cbadb
>
> Driver Info:
>         Driver name   : vidc
>         Card type     : video encoder
>         Bus info      : platform:vidc
>         Driver version: 4.8.0
>         Capabilities  : 0x84204000
>                 Video Memory-to-Memory Multiplanar
>                 Streaming
>                 Extended Pix Format
>                 Device Capabilities
>         Device Caps   : 0x04204000
>                 Video Memory-to-Memory Multiplanar
>                 Streaming
>                 Extended Pix Format
>
> Compliance test for device /dev/video1 (not using libv4l2):
>
> Required ioctls:
>         test VIDIOC_QUERYCAP: OK
>
> Allow for multiple opens:
>         test second video open: OK
>         test VIDIOC_QUERYCAP: OK
>         test VIDIOC_G/S_PRIORITY: OK
>         test for unlimited opens: OK
>
> Debug ioctls:
>         test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
>         test VIDIOC_LOG_STATUS: OK (Not Supported)
>
> Input ioctls:
>         test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
>         test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
>         test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
>         test VIDIOC_ENUMAUDIO: OK (Not Supported)
>         test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
>         test VIDIOC_G/S_AUDIO: OK (Not Supported)
>         Inputs: 0 Audio Inputs: 0 Tuners: 0
>
> Output ioctls:
>         test VIDIOC_G/S_MODULATOR: OK (Not Supported)
>         test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
>         test VIDIOC_ENUMAUDOUT: OK (Not Supported)
>         test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
>         test VIDIOC_G/S_AUDOUT: OK (Not Supported)
>         Outputs: 0 Audio Outputs: 0 Modulators: 0
>
> Input/Output configuration ioctls:
>         test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
>         test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
>         test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
>         test VIDIOC_G/S_EDID: OK (Not Supported)
>
>         Control ioctls:
>                 test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
>                 test VIDIOC_QUERYCTRL: OK
>                 test VIDIOC_G/S_CTRL: OK
>                 test VIDIOC_G/S/TRY_EXT_CTRLS: OK
>                 test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
>                 test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
>                 Standard Controls: 32 Private Controls: 0
>
>         Format ioctls:
>                 test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
>                 test VIDIOC_G/S_PARM: OK
>                 test VIDIOC_G_FBUF: OK (Not Supported)
>                 test VIDIOC_G_FMT: OK
>                 test VIDIOC_TRY_FMT: OK
>                 test VIDIOC_S_FMT: OK
>                 test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
>                 test Cropping: OK
>                 test Composing: OK (Not Supported)
>                 test Scaling: OK
>
>         Codec ioctls:
>                 test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
>                 test VIDIOC_G_ENC_INDEX: OK (Not Supported)
>                 test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
>
>         Buffer ioctls:
>                 test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
>                 test VIDIOC_EXPBUF: OK
>
> Test input 0:
>
>
> Total: 43, Succeeded: 43, Failed: 0, Warnings: 0
>
>
> Stanimir Varbanov (8):
>   doc: DT: vidc: binding document for Qualcomm video driver
>   media: vidc: adding core part and helper functions
>   media: vidc: decoder: add video decoder files
>   media: vidc: encoder: add video encoder files
>   media: vidc: add Host Firmware Interface (HFI)
>   media: vidc: add Venus HFI files
>   media: vidc: add Makefiles and Kconfig files
>   media: vidc: enable building of the video codec driver
>
>  .../devicetree/bindings/media/qcom,vidc.txt        |   61 +
>  drivers/media/platform/Kconfig                     |    1 +
>  drivers/media/platform/Makefile                    |    1 +
>  drivers/media/platform/qcom/Kconfig                |    8 +
>  drivers/media/platform/qcom/Makefile               |    6 +
>  drivers/media/platform/qcom/vidc/Makefile          |   15 +
>  drivers/media/platform/qcom/vidc/core.c            |  559 +++++++
>  drivers/media/platform/qcom/vidc/core.h            |  207 +++
>  drivers/media/platform/qcom/vidc/helpers.c         |  604 ++++++++
>  drivers/media/platform/qcom/vidc/helpers.h         |   43 +
>  drivers/media/platform/qcom/vidc/hfi.c             |  617 ++++++++
>  drivers/media/platform/qcom/vidc/hfi.h             |  272 ++++
>  drivers/media/platform/qcom/vidc/hfi_cmds.c        | 1261 ++++++++++++++++
>  drivers/media/platform/qcom/vidc/hfi_cmds.h        |  338 +++++
>  drivers/media/platform/qcom/vidc/hfi_helper.h      | 1143 +++++++++++++++
>  drivers/media/platform/qcom/vidc/hfi_msgs.c        | 1072 ++++++++++++++
>  drivers/media/platform/qcom/vidc/hfi_msgs.h        |  298 ++++
>  drivers/media/platform/qcom/vidc/hfi_venus.c       | 1534 ++++++++++++++++++++
>  drivers/media/platform/qcom/vidc/hfi_venus.h       |   25 +
>  drivers/media/platform/qcom/vidc/hfi_venus_io.h    |   98 ++
>  drivers/media/platform/qcom/vidc/vdec.c            | 1091 ++++++++++++++
>  drivers/media/platform/qcom/vidc/vdec.h            |   29 +
>  drivers/media/platform/qcom/vidc/vdec_ctrls.c      |  200 +++
>  drivers/media/platform/qcom/vidc/vdec_ctrls.h      |   21 +
>  drivers/media/platform/qcom/vidc/venc.c            | 1252 ++++++++++++++++
>  drivers/media/platform/qcom/vidc/venc.h            |   29 +
>  drivers/media/platform/qcom/vidc/venc_ctrls.c      |  396 +++++
>  drivers/media/platform/qcom/vidc/venc_ctrls.h      |   23 +
>  28 files changed, 11204 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/qcom,vidc.txt
>  create mode 100644 drivers/media/platform/qcom/Kconfig
>  create mode 100644 drivers/media/platform/qcom/Makefile
>  create mode 100644 drivers/media/platform/qcom/vidc/Makefile
>  create mode 100644 drivers/media/platform/qcom/vidc/core.c
>  create mode 100644 drivers/media/platform/qcom/vidc/core.h
>  create mode 100644 drivers/media/platform/qcom/vidc/helpers.c
>  create mode 100644 drivers/media/platform/qcom/vidc/helpers.h
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi.c
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi.h
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_cmds.c
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_cmds.h
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_helper.h
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_msgs.c
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_msgs.h
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_venus.c
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_venus.h
>  create mode 100644 drivers/media/platform/qcom/vidc/hfi_venus_io.h
>  create mode 100644 drivers/media/platform/qcom/vidc/vdec.c
>  create mode 100644 drivers/media/platform/qcom/vidc/vdec.h
>  create mode 100644 drivers/media/platform/qcom/vidc/vdec_ctrls.c
>  create mode 100644 drivers/media/platform/qcom/vidc/vdec_ctrls.h
>  create mode 100644 drivers/media/platform/qcom/vidc/venc.c
>  create mode 100644 drivers/media/platform/qcom/vidc/venc.h
>  create mode 100644 drivers/media/platform/qcom/vidc/venc_ctrls.c
>  create mode 100644 drivers/media/platform/qcom/vidc/venc_ctrls.h