[media] v4l2-ioctl.h add debug info for struct v4l2_ioctl_ops
This struct is mentioned at the kAPI docbook. So, let's document it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
7a23c2574d
commit
c91661f1e6
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@ -2,3 +2,5 @@ V4L2 common functions and data structures
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. kernel-doc:: include/media/v4l2-common.h
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.. kernel-doc:: include/media/v4l2-ioctl.h
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@ -17,6 +17,272 @@
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struct v4l2_fh;
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/**
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* struct v4l2_ioctl_ops - describe operations for each V4L2 ioctl
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*
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* @vidioc_querycap: pointer to the function that implements
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* :ref:`VIDIOC_QUERYCAP <vidioc_querycap>` ioctl
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* @vidioc_enum_fmt_vid_cap: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
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* for video capture in single plane mode
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* @vidioc_enum_fmt_vid_overlay: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
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* for video overlay
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* @vidioc_enum_fmt_vid_out: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
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* for video output in single plane mode
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* @vidioc_enum_fmt_vid_cap_mplane: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
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* for video capture in multiplane mode
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* @vidioc_enum_fmt_vid_out_mplane: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
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* for video output in multiplane mode
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* @vidioc_enum_fmt_sdr_cap: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
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* for Software Defined Radio capture
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* @vidioc_enum_fmt_sdr_out: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
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* for Software Defined Radio output
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* @vidioc_g_fmt_vid_cap: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture
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* in single plane mode
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* @vidioc_g_fmt_vid_overlay: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay
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* @vidioc_g_fmt_vid_out: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out
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* in single plane mode
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* @vidioc_g_fmt_vid_out_overlay: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay output
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* @vidioc_g_fmt_vbi_cap: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture
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* @vidioc_g_fmt_vbi_out: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output
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* @vidioc_g_fmt_sliced_vbi_cap: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture
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* @vidioc_g_fmt_sliced_vbi_out: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output
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* @vidioc_g_fmt_vid_cap_mplane: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture
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* in multiple plane mode
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* @vidioc_g_fmt_vid_out_mplane: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out
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* in multiplane plane mode
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* @vidioc_g_fmt_sdr_cap: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
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* Radio capture
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* @vidioc_g_fmt_sdr_out: pointer to the function that implements
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
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* Radio output
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* @vidioc_s_fmt_vid_cap: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture
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* in single plane mode
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* @vidioc_s_fmt_vid_overlay: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay
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* @vidioc_s_fmt_vid_out: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out
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* in single plane mode
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* @vidioc_s_fmt_vid_out_overlay: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay output
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* @vidioc_s_fmt_vbi_cap: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture
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* @vidioc_s_fmt_vbi_out: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output
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* @vidioc_s_fmt_sliced_vbi_cap: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture
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* @vidioc_s_fmt_sliced_vbi_out: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output
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* @vidioc_s_fmt_vid_cap_mplane: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture
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* in multiple plane mode
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* @vidioc_s_fmt_vid_out_mplane: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out
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* in multiplane plane mode
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* @vidioc_s_fmt_sdr_cap: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
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* Radio capture
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* @vidioc_s_fmt_sdr_out: pointer to the function that implements
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
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* Radio output
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* @vidioc_try_fmt_vid_cap: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture
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* in single plane mode
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* @vidioc_try_fmt_vid_overlay: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay
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* @vidioc_try_fmt_vid_out: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out
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* in single plane mode
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* @vidioc_try_fmt_vid_out_overlay: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay
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* output
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* @vidioc_try_fmt_vbi_cap: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture
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* @vidioc_try_fmt_vbi_out: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output
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* @vidioc_try_fmt_sliced_vbi_cap: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI
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* capture
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* @vidioc_try_fmt_sliced_vbi_out: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output
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* @vidioc_try_fmt_vid_cap_mplane: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture
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* in multiple plane mode
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* @vidioc_try_fmt_vid_out_mplane: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out
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* in multiplane plane mode
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* @vidioc_try_fmt_sdr_cap: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
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* Radio capture
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* @vidioc_try_fmt_sdr_out: pointer to the function that implements
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
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* Radio output
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* @vidioc_reqbufs: pointer to the function that implements
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* :ref:`VIDIOC_REQBUFS <vidioc_reqbufs>` ioctl
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* @vidioc_querybuf: pointer to the function that implements
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* :ref:`VIDIOC_QUERYBUF <vidioc_querybuf>` ioctl
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* @vidioc_qbuf: pointer to the function that implements
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* :ref:`VIDIOC_QBUF <vidioc_qbuf>` ioctl
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* @vidioc_expbuf: pointer to the function that implements
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* :ref:`VIDIOC_EXPBUF <vidioc_expbuf>` ioctl
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* @vidioc_dqbuf: pointer to the function that implements
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* :ref:`VIDIOC_DQBUF <vidioc_qbuf>` ioctl
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* @vidioc_create_bufs: pointer to the function that implements
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* :ref:`VIDIOC_CREATE_BUFS <vidioc_create_bufs>` ioctl
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* @vidioc_prepare_buf: pointer to the function that implements
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* :ref:`VIDIOC_PREPARE_BUF <vidioc_prepare_buf>` ioctl
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* @vidioc_overlay: pointer to the function that implements
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* :ref:`VIDIOC_OVERLAY <vidioc_overlay>` ioctl
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* @vidioc_g_fbuf: pointer to the function that implements
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* :ref:`VIDIOC_G_FBUF <vidioc_g_fbuf>` ioctl
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* @vidioc_s_fbuf: pointer to the function that implements
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* :ref:`VIDIOC_S_FBUF <vidioc_g_fbuf>` ioctl
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* @vidioc_streamon: pointer to the function that implements
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* :ref:`VIDIOC_STREAMON <vidioc_streamon>` ioctl
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* @vidioc_streamoff: pointer to the function that implements
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* :ref:`VIDIOC_STREAMOFF <vidioc_streamon>` ioctl
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* @vidioc_g_std: pointer to the function that implements
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* :ref:`VIDIOC_G_STD <vidioc_g_std>` ioctl
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* @vidioc_s_std: pointer to the function that implements
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* :ref:`VIDIOC_S_STD <vidioc_g_std>` ioctl
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* @vidioc_querystd: pointer to the function that implements
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* :ref:`VIDIOC_QUERYSTD <vidioc_querystd>` ioctl
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* @vidioc_enum_input: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_INPUT <vidioc_g_input>` ioctl
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* @vidioc_g_input: pointer to the function that implements
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* :ref:`VIDIOC_G_INPUT <vidioc_g_input>` ioctl
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* @vidioc_s_input: pointer to the function that implements
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* :ref:`VIDIOC_S_INPUT <vidioc_g_input>` ioctl
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* @vidioc_enum_output: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_OUTPUT <vidioc_g_output>` ioctl
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* @vidioc_g_output: pointer to the function that implements
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* :ref:`VIDIOC_G_OUTPUT <vidioc_g_output>` ioctl
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* @vidioc_s_output: pointer to the function that implements
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* :ref:`VIDIOC_S_OUTPUT <vidioc_g_output>` ioctl
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* @vidioc_queryctrl: pointer to the function that implements
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* :ref:`VIDIOC_QUERYCTRL <vidioc_queryctrl>` ioctl
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* @vidioc_query_ext_ctrl: pointer to the function that implements
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* :ref:`VIDIOC_QUERY_EXT_CTRL <vidioc_queryctrl>` ioctl
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* @vidioc_g_ctrl: pointer to the function that implements
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* :ref:`VIDIOC_G_CTRL <vidioc_g_ctrl>` ioctl
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* @vidioc_s_ctrl: pointer to the function that implements
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* :ref:`VIDIOC_S_CTRL <vidioc_g_ctrl>` ioctl
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* @vidioc_g_ext_ctrls: pointer to the function that implements
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* :ref:`VIDIOC_G_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
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* @vidioc_s_ext_ctrls: pointer to the function that implements
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* :ref:`VIDIOC_S_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
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* @vidioc_try_ext_ctrls: pointer to the function that implements
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* :ref:`VIDIOC_TRY_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
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* @vidioc_querymenu: pointer to the function that implements
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* :ref:`VIDIOC_QUERYMENU <vidioc_queryctrl>` ioctl
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* @vidioc_enumaudio: pointer to the function that implements
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* :ref:`VIDIOC_ENUMAUDIO <vidioc_enumaudio>` ioctl
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* @vidioc_g_audio: pointer to the function that implements
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* :ref:`VIDIOC_G_AUDIO <vidioc_g_audio>` ioctl
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* @vidioc_s_audio: pointer to the function that implements
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* :ref:`VIDIOC_S_AUDIO <vidioc_g_audio>` ioctl
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* @vidioc_enumaudout: pointer to the function that implements
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* :ref:`VIDIOC_ENUMAUDOUT <vidioc_enumaudout>` ioctl
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* @vidioc_g_audout: pointer to the function that implements
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* :ref:`VIDIOC_G_AUDOUT <vidioc_g_audout>` ioctl
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* @vidioc_s_audout: pointer to the function that implements
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* :ref:`VIDIOC_S_AUDOUT <vidioc_g_audout>` ioctl
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* @vidioc_g_modulator: pointer to the function that implements
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* :ref:`VIDIOC_G_MODULATOR <vidioc_g_modulator>` ioctl
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* @vidioc_s_modulator: pointer to the function that implements
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* :ref:`VIDIOC_S_MODULATOR <vidioc_g_modulator>` ioctl
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* @vidioc_cropcap: pointer to the function that implements
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* :ref:`VIDIOC_CROPCAP <vidioc_cropcap>` ioctl
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* @vidioc_g_crop: pointer to the function that implements
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* :ref:`VIDIOC_G_CROP <vidioc_g_crop>` ioctl
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* @vidioc_s_crop: pointer to the function that implements
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* :ref:`VIDIOC_S_CROP <vidioc_g_crop>` ioctl
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* @vidioc_g_selection: pointer to the function that implements
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* :ref:`VIDIOC_G_SELECTION <vidioc_g_selection>` ioctl
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* @vidioc_s_selection: pointer to the function that implements
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* :ref:`VIDIOC_S_SELECTION <vidioc_g_selection>` ioctl
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* @vidioc_g_jpegcomp: pointer to the function that implements
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* :ref:`VIDIOC_G_JPEGCOMP <vidioc_g_jpegcomp>` ioctl
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* @vidioc_s_jpegcomp: pointer to the function that implements
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* :ref:`VIDIOC_S_JPEGCOMP <vidioc_g_jpegcomp>` ioctl
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* @vidioc_g_enc_index: pointer to the function that implements
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* :ref:`VIDIOC_G_ENC_INDEX <vidioc_g_enc_index>` ioctl
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* @vidioc_encoder_cmd: pointer to the function that implements
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* :ref:`VIDIOC_ENCODER_CMD <vidioc_encoder_cmd>` ioctl
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* @vidioc_try_encoder_cmd: pointer to the function that implements
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* :ref:`VIDIOC_TRY_ENCODER_CMD <vidioc_encoder_cmd>` ioctl
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* @vidioc_decoder_cmd: pointer to the function that implements
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* :ref:`VIDIOC_DECODER_CMD <vidioc_decoder_cmd>` ioctl
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* @vidioc_try_decoder_cmd: pointer to the function that implements
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* :ref:`VIDIOC_TRY_DECODER_CMD <vidioc_decoder_cmd>` ioctl
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* @vidioc_g_parm: pointer to the function that implements
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* :ref:`VIDIOC_G_PARM <vidioc_g_parm>` ioctl
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* @vidioc_s_parm: pointer to the function that implements
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* :ref:`VIDIOC_S_PARM <vidioc_g_parm>` ioctl
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* @vidioc_g_tuner: pointer to the function that implements
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* :ref:`VIDIOC_G_TUNER <vidioc_g_tuner>` ioctl
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* @vidioc_s_tuner: pointer to the function that implements
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* :ref:`VIDIOC_S_TUNER <vidioc_g_tuner>` ioctl
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* @vidioc_g_frequency: pointer to the function that implements
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* :ref:`VIDIOC_G_FREQUENCY <vidioc_g_frequency>` ioctl
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* @vidioc_s_frequency: pointer to the function that implements
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* :ref:`VIDIOC_S_FREQUENCY <vidioc_g_frequency>` ioctl
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* @vidioc_enum_freq_bands: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FREQ_BANDS <vidioc_enum_freq_bands>` ioctl
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* @vidioc_g_sliced_vbi_cap: pointer to the function that implements
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* :ref:`VIDIOC_G_SLICED_VBI_CAP <vidioc_g_sliced_vbi_cap>` ioctl
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* @vidioc_log_status: pointer to the function that implements
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* :ref:`VIDIOC_LOG_STATUS <vidioc_log_status>` ioctl
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* @vidioc_s_hw_freq_seek: pointer to the function that implements
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* :ref:`VIDIOC_S_HW_FREQ_SEEK <vidioc_s_hw_freq_seek>` ioctl
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* @vidioc_g_register: pointer to the function that implements
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* :ref:`VIDIOC_DBG_G_REGISTER <vidioc_dbg_g_register>` ioctl
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* @vidioc_s_register: pointer to the function that implements
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* :ref:`VIDIOC_DBG_S_REGISTER <vidioc_dbg_g_register>` ioctl
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* @vidioc_g_chip_info: pointer to the function that implements
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* :ref:`VIDIOC_DBG_G_CHIP_INFO <vidioc_dbg_g_chip_info>` ioctl
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* @vidioc_enum_framesizes: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FRAMESIZES <vidioc_enum_framesizes>` ioctl
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* @vidioc_enum_frameintervals: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_FRAMEINTERVALS <vidioc_enum_frameintervals>` ioctl
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* @vidioc_s_dv_timings: pointer to the function that implements
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* :ref:`VIDIOC_S_DV_TIMINGS <vidioc_g_dv_timings>` ioctl
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* @vidioc_g_dv_timings: pointer to the function that implements
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* :ref:`VIDIOC_G_DV_TIMINGS <vidioc_g_dv_timings>` ioctl
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* @vidioc_query_dv_timings: pointer to the function that implements
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* :ref:`VIDIOC_QUERY_DV_TIMINGS <vidioc_query_dv_timings>` ioctl
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* @vidioc_enum_dv_timings: pointer to the function that implements
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* :ref:`VIDIOC_ENUM_DV_TIMINGS <vidioc_enum_dv_timings>` ioctl
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* @vidioc_dv_timings_cap: pointer to the function that implements
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* :ref:`VIDIOC_DV_TIMINGS_CAP <vidioc_dv_timings_cap>` ioctl
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* @vidioc_g_edid: pointer to the function that implements
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* :ref:`VIDIOC_G_EDID <vidioc_g_edid>` ioctl
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* @vidioc_s_edid: pointer to the function that implements
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* :ref:`VIDIOC_S_EDID <vidioc_g_edid>` ioctl
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* @vidioc_subscribe_event: pointer to the function that implements
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* :ref:`VIDIOC_SUBSCRIBE_EVENT <vidioc_subscribe_event>` ioctl
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* @vidioc_unsubscribe_event: pointer to the function that implements
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* :ref:`VIDIOC_UNSUBSCRIBE_EVENT <vidioc_unsubscribe_event>` ioctl
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* @vidioc_default: pointed used to allow other ioctls
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*/
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struct v4l2_ioctl_ops {
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||||
/* ioctl callbacks */
|
||||
|
||||
|
|
|
|||
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Reference in New Issue