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792 lines
33 KiB
792 lines
33 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* |
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* V 4 L 2 D R I V E R H E L P E R A P I |
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* |
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* Moved from videodev2.h |
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* |
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* Some commonly needed functions for drivers (v4l2-common.o module) |
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*/ |
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#ifndef _V4L2_IOCTL_H |
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#define _V4L2_IOCTL_H |
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#include <linux/poll.h> |
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#include <linux/fs.h> |
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#include <linux/mutex.h> |
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#include <linux/sched/signal.h> |
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#include <linux/compiler.h> /* need __user */ |
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#include <linux/videodev2.h> |
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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 and multi 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 and multi plane 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_enum_fmt_meta_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 metadata capture |
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* @vidioc_enum_fmt_meta_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 metadata 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_g_fmt_meta_cap: pointer to the function that implements |
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for metadata capture |
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* @vidioc_g_fmt_meta_out: pointer to the function that implements |
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* :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for metadata 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_s_fmt_meta_cap: pointer to the function that implements |
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for metadata capture |
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* @vidioc_s_fmt_meta_out: pointer to the function that implements |
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* :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for metadata 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_try_fmt_meta_cap: pointer to the function that implements |
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for metadata capture |
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* @vidioc_try_fmt_meta_out: pointer to the function that implements |
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* :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for metadata 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_g_pixelaspect: pointer to the function that implements |
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* the pixelaspect part of the :ref:`VIDIOC_CROPCAP <vidioc_cropcap>` 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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/* VIDIOC_QUERYCAP handler */ |
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int (*vidioc_querycap)(struct file *file, void *fh, |
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struct v4l2_capability *cap); |
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/* VIDIOC_ENUM_FMT handlers */ |
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int (*vidioc_enum_fmt_vid_cap)(struct file *file, void *fh, |
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struct v4l2_fmtdesc *f); |
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int (*vidioc_enum_fmt_vid_overlay)(struct file *file, void *fh, |
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struct v4l2_fmtdesc *f); |
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int (*vidioc_enum_fmt_vid_out)(struct file *file, void *fh, |
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struct v4l2_fmtdesc *f); |
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int (*vidioc_enum_fmt_sdr_cap)(struct file *file, void *fh, |
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struct v4l2_fmtdesc *f); |
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int (*vidioc_enum_fmt_sdr_out)(struct file *file, void *fh, |
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struct v4l2_fmtdesc *f); |
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int (*vidioc_enum_fmt_meta_cap)(struct file *file, void *fh, |
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struct v4l2_fmtdesc *f); |
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int (*vidioc_enum_fmt_meta_out)(struct file *file, void *fh, |
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struct v4l2_fmtdesc *f); |
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/* VIDIOC_G_FMT handlers */ |
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int (*vidioc_g_fmt_vid_cap)(struct file *file, void *fh, |
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struct v4l2_format *f); |
|
int (*vidioc_g_fmt_vid_overlay)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_vid_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_vid_out_overlay)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_vbi_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_vbi_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_sliced_vbi_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_vid_cap_mplane)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_sdr_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_sdr_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_meta_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_g_fmt_meta_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
|
|
/* VIDIOC_S_FMT handlers */ |
|
int (*vidioc_s_fmt_vid_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_vid_overlay)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_vid_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_vid_out_overlay)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_vbi_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_vbi_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_sliced_vbi_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_vid_cap_mplane)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_sdr_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_sdr_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_meta_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_s_fmt_meta_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
|
|
/* VIDIOC_TRY_FMT handlers */ |
|
int (*vidioc_try_fmt_vid_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_vid_overlay)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_vid_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_vid_out_overlay)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_vbi_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_vbi_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_sliced_vbi_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_vid_cap_mplane)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_sdr_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_sdr_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_meta_cap)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
int (*vidioc_try_fmt_meta_out)(struct file *file, void *fh, |
|
struct v4l2_format *f); |
|
|
|
/* Buffer handlers */ |
|
int (*vidioc_reqbufs)(struct file *file, void *fh, |
|
struct v4l2_requestbuffers *b); |
|
int (*vidioc_querybuf)(struct file *file, void *fh, |
|
struct v4l2_buffer *b); |
|
int (*vidioc_qbuf)(struct file *file, void *fh, |
|
struct v4l2_buffer *b); |
|
int (*vidioc_expbuf)(struct file *file, void *fh, |
|
struct v4l2_exportbuffer *e); |
|
int (*vidioc_dqbuf)(struct file *file, void *fh, |
|
struct v4l2_buffer *b); |
|
|
|
int (*vidioc_create_bufs)(struct file *file, void *fh, |
|
struct v4l2_create_buffers *b); |
|
int (*vidioc_prepare_buf)(struct file *file, void *fh, |
|
struct v4l2_buffer *b); |
|
|
|
int (*vidioc_overlay)(struct file *file, void *fh, unsigned int i); |
|
int (*vidioc_g_fbuf)(struct file *file, void *fh, |
|
struct v4l2_framebuffer *a); |
|
int (*vidioc_s_fbuf)(struct file *file, void *fh, |
|
const struct v4l2_framebuffer *a); |
|
|
|
/* Stream on/off */ |
|
int (*vidioc_streamon)(struct file *file, void *fh, |
|
enum v4l2_buf_type i); |
|
int (*vidioc_streamoff)(struct file *file, void *fh, |
|
enum v4l2_buf_type i); |
|
|
|
/* |
|
* Standard handling |
|
* |
|
* Note: ENUMSTD is handled by videodev.c |
|
*/ |
|
int (*vidioc_g_std)(struct file *file, void *fh, v4l2_std_id *norm); |
|
int (*vidioc_s_std)(struct file *file, void *fh, v4l2_std_id norm); |
|
int (*vidioc_querystd)(struct file *file, void *fh, v4l2_std_id *a); |
|
|
|
/* Input handling */ |
|
int (*vidioc_enum_input)(struct file *file, void *fh, |
|
struct v4l2_input *inp); |
|
int (*vidioc_g_input)(struct file *file, void *fh, unsigned int *i); |
|
int (*vidioc_s_input)(struct file *file, void *fh, unsigned int i); |
|
|
|
/* Output handling */ |
|
int (*vidioc_enum_output)(struct file *file, void *fh, |
|
struct v4l2_output *a); |
|
int (*vidioc_g_output)(struct file *file, void *fh, unsigned int *i); |
|
int (*vidioc_s_output)(struct file *file, void *fh, unsigned int i); |
|
|
|
/* Control handling */ |
|
int (*vidioc_queryctrl)(struct file *file, void *fh, |
|
struct v4l2_queryctrl *a); |
|
int (*vidioc_query_ext_ctrl)(struct file *file, void *fh, |
|
struct v4l2_query_ext_ctrl *a); |
|
int (*vidioc_g_ctrl)(struct file *file, void *fh, |
|
struct v4l2_control *a); |
|
int (*vidioc_s_ctrl)(struct file *file, void *fh, |
|
struct v4l2_control *a); |
|
int (*vidioc_g_ext_ctrls)(struct file *file, void *fh, |
|
struct v4l2_ext_controls *a); |
|
int (*vidioc_s_ext_ctrls)(struct file *file, void *fh, |
|
struct v4l2_ext_controls *a); |
|
int (*vidioc_try_ext_ctrls)(struct file *file, void *fh, |
|
struct v4l2_ext_controls *a); |
|
int (*vidioc_querymenu)(struct file *file, void *fh, |
|
struct v4l2_querymenu *a); |
|
|
|
/* Audio ioctls */ |
|
int (*vidioc_enumaudio)(struct file *file, void *fh, |
|
struct v4l2_audio *a); |
|
int (*vidioc_g_audio)(struct file *file, void *fh, |
|
struct v4l2_audio *a); |
|
int (*vidioc_s_audio)(struct file *file, void *fh, |
|
const struct v4l2_audio *a); |
|
|
|
/* Audio out ioctls */ |
|
int (*vidioc_enumaudout)(struct file *file, void *fh, |
|
struct v4l2_audioout *a); |
|
int (*vidioc_g_audout)(struct file *file, void *fh, |
|
struct v4l2_audioout *a); |
|
int (*vidioc_s_audout)(struct file *file, void *fh, |
|
const struct v4l2_audioout *a); |
|
int (*vidioc_g_modulator)(struct file *file, void *fh, |
|
struct v4l2_modulator *a); |
|
int (*vidioc_s_modulator)(struct file *file, void *fh, |
|
const struct v4l2_modulator *a); |
|
/* Crop ioctls */ |
|
int (*vidioc_g_pixelaspect)(struct file *file, void *fh, |
|
int buf_type, struct v4l2_fract *aspect); |
|
int (*vidioc_g_selection)(struct file *file, void *fh, |
|
struct v4l2_selection *s); |
|
int (*vidioc_s_selection)(struct file *file, void *fh, |
|
struct v4l2_selection *s); |
|
/* Compression ioctls */ |
|
int (*vidioc_g_jpegcomp)(struct file *file, void *fh, |
|
struct v4l2_jpegcompression *a); |
|
int (*vidioc_s_jpegcomp)(struct file *file, void *fh, |
|
const struct v4l2_jpegcompression *a); |
|
int (*vidioc_g_enc_index)(struct file *file, void *fh, |
|
struct v4l2_enc_idx *a); |
|
int (*vidioc_encoder_cmd)(struct file *file, void *fh, |
|
struct v4l2_encoder_cmd *a); |
|
int (*vidioc_try_encoder_cmd)(struct file *file, void *fh, |
|
struct v4l2_encoder_cmd *a); |
|
int (*vidioc_decoder_cmd)(struct file *file, void *fh, |
|
struct v4l2_decoder_cmd *a); |
|
int (*vidioc_try_decoder_cmd)(struct file *file, void *fh, |
|
struct v4l2_decoder_cmd *a); |
|
|
|
/* Stream type-dependent parameter ioctls */ |
|
int (*vidioc_g_parm)(struct file *file, void *fh, |
|
struct v4l2_streamparm *a); |
|
int (*vidioc_s_parm)(struct file *file, void *fh, |
|
struct v4l2_streamparm *a); |
|
|
|
/* Tuner ioctls */ |
|
int (*vidioc_g_tuner)(struct file *file, void *fh, |
|
struct v4l2_tuner *a); |
|
int (*vidioc_s_tuner)(struct file *file, void *fh, |
|
const struct v4l2_tuner *a); |
|
int (*vidioc_g_frequency)(struct file *file, void *fh, |
|
struct v4l2_frequency *a); |
|
int (*vidioc_s_frequency)(struct file *file, void *fh, |
|
const struct v4l2_frequency *a); |
|
int (*vidioc_enum_freq_bands)(struct file *file, void *fh, |
|
struct v4l2_frequency_band *band); |
|
|
|
/* Sliced VBI cap */ |
|
int (*vidioc_g_sliced_vbi_cap)(struct file *file, void *fh, |
|
struct v4l2_sliced_vbi_cap *a); |
|
|
|
/* Log status ioctl */ |
|
int (*vidioc_log_status)(struct file *file, void *fh); |
|
|
|
int (*vidioc_s_hw_freq_seek)(struct file *file, void *fh, |
|
const struct v4l2_hw_freq_seek *a); |
|
|
|
/* Debugging ioctls */ |
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
int (*vidioc_g_register)(struct file *file, void *fh, |
|
struct v4l2_dbg_register *reg); |
|
int (*vidioc_s_register)(struct file *file, void *fh, |
|
const struct v4l2_dbg_register *reg); |
|
|
|
int (*vidioc_g_chip_info)(struct file *file, void *fh, |
|
struct v4l2_dbg_chip_info *chip); |
|
#endif |
|
|
|
int (*vidioc_enum_framesizes)(struct file *file, void *fh, |
|
struct v4l2_frmsizeenum *fsize); |
|
|
|
int (*vidioc_enum_frameintervals)(struct file *file, void *fh, |
|
struct v4l2_frmivalenum *fival); |
|
|
|
/* DV Timings IOCTLs */ |
|
int (*vidioc_s_dv_timings)(struct file *file, void *fh, |
|
struct v4l2_dv_timings *timings); |
|
int (*vidioc_g_dv_timings)(struct file *file, void *fh, |
|
struct v4l2_dv_timings *timings); |
|
int (*vidioc_query_dv_timings)(struct file *file, void *fh, |
|
struct v4l2_dv_timings *timings); |
|
int (*vidioc_enum_dv_timings)(struct file *file, void *fh, |
|
struct v4l2_enum_dv_timings *timings); |
|
int (*vidioc_dv_timings_cap)(struct file *file, void *fh, |
|
struct v4l2_dv_timings_cap *cap); |
|
int (*vidioc_g_edid)(struct file *file, void *fh, |
|
struct v4l2_edid *edid); |
|
int (*vidioc_s_edid)(struct file *file, void *fh, |
|
struct v4l2_edid *edid); |
|
|
|
int (*vidioc_subscribe_event)(struct v4l2_fh *fh, |
|
const struct v4l2_event_subscription *sub); |
|
int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh, |
|
const struct v4l2_event_subscription *sub); |
|
|
|
/* For other private ioctls */ |
|
long (*vidioc_default)(struct file *file, void *fh, |
|
bool valid_prio, unsigned int cmd, void *arg); |
|
}; |
|
|
|
|
|
/* v4l debugging and diagnostics */ |
|
|
|
/* Device debug flags to be used with the video device debug attribute */ |
|
|
|
/* Just log the ioctl name + error code */ |
|
#define V4L2_DEV_DEBUG_IOCTL 0x01 |
|
/* Log the ioctl name arguments + error code */ |
|
#define V4L2_DEV_DEBUG_IOCTL_ARG 0x02 |
|
/* Log the file operations open, release, mmap and get_unmapped_area */ |
|
#define V4L2_DEV_DEBUG_FOP 0x04 |
|
/* Log the read and write file operations and the VIDIOC_(D)QBUF ioctls */ |
|
#define V4L2_DEV_DEBUG_STREAMING 0x08 |
|
/* Log poll() */ |
|
#define V4L2_DEV_DEBUG_POLL 0x10 |
|
/* Log controls */ |
|
#define V4L2_DEV_DEBUG_CTRL 0x20 |
|
|
|
/* Video standard functions */ |
|
|
|
/** |
|
* v4l2_norm_to_name - Ancillary routine to analog TV standard name from its ID. |
|
* |
|
* @id: analog TV standard ID. |
|
* |
|
* Return: returns a string with the name of the analog TV standard. |
|
* If the standard is not found or if @id points to multiple standard, |
|
* it returns "Unknown". |
|
*/ |
|
const char *v4l2_norm_to_name(v4l2_std_id id); |
|
|
|
/** |
|
* v4l2_video_std_frame_period - Ancillary routine that fills a |
|
* struct &v4l2_fract pointer with the default framerate fraction. |
|
* |
|
* @id: analog TV standard ID. |
|
* @frameperiod: struct &v4l2_fract pointer to be filled |
|
* |
|
*/ |
|
void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod); |
|
|
|
/** |
|
* v4l2_video_std_construct - Ancillary routine that fills in the fields of |
|
* a &v4l2_standard structure according to the @id parameter. |
|
* |
|
* @vs: struct &v4l2_standard pointer to be filled |
|
* @id: analog TV standard ID. |
|
* @name: name of the standard to be used |
|
* |
|
* .. note:: |
|
* |
|
* This ancillary routine is obsolete. Shouldn't be used on newer drivers. |
|
*/ |
|
int v4l2_video_std_construct(struct v4l2_standard *vs, |
|
int id, const char *name); |
|
|
|
/** |
|
* v4l_video_std_enumstd - Ancillary routine that fills in the fields of |
|
* a &v4l2_standard structure according to the @id and @vs->index |
|
* parameters. |
|
* |
|
* @vs: struct &v4l2_standard pointer to be filled. |
|
* @id: analog TV standard ID. |
|
* |
|
*/ |
|
int v4l_video_std_enumstd(struct v4l2_standard *vs, v4l2_std_id id); |
|
|
|
/** |
|
* v4l_printk_ioctl - Ancillary routine that prints the ioctl in a |
|
* human-readable format. |
|
* |
|
* @prefix: prefix to be added at the ioctl prints. |
|
* @cmd: ioctl name |
|
* |
|
* .. note:: |
|
* |
|
* If prefix != %NULL, then it will issue a |
|
* ``printk(KERN_DEBUG "%s: ", prefix)`` first. |
|
*/ |
|
void v4l_printk_ioctl(const char *prefix, unsigned int cmd); |
|
|
|
struct video_device; |
|
|
|
/* names for fancy debug output */ |
|
extern const char *v4l2_field_names[]; |
|
extern const char *v4l2_type_names[]; |
|
|
|
#ifdef CONFIG_COMPAT |
|
/** |
|
* v4l2_compat_ioctl32 -32 Bits compatibility layer for 64 bits processors |
|
* |
|
* @file: Pointer to struct &file. |
|
* @cmd: Ioctl name. |
|
* @arg: Ioctl argument. |
|
*/ |
|
long int v4l2_compat_ioctl32(struct file *file, unsigned int cmd, |
|
unsigned long arg); |
|
#endif |
|
|
|
unsigned int v4l2_compat_translate_cmd(unsigned int cmd); |
|
int v4l2_compat_get_user(void __user *arg, void *parg, unsigned int cmd); |
|
int v4l2_compat_put_user(void __user *arg, void *parg, unsigned int cmd); |
|
int v4l2_compat_get_array_args(struct file *file, void *mbuf, |
|
void __user *user_ptr, size_t array_size, |
|
unsigned int cmd, void *arg); |
|
int v4l2_compat_put_array_args(struct file *file, void __user *user_ptr, |
|
void *mbuf, size_t array_size, |
|
unsigned int cmd, void *arg); |
|
|
|
/** |
|
* typedef v4l2_kioctl - Typedef used to pass an ioctl handler. |
|
* |
|
* @file: Pointer to struct &file. |
|
* @cmd: Ioctl name. |
|
* @arg: Ioctl argument. |
|
*/ |
|
typedef long (*v4l2_kioctl)(struct file *file, unsigned int cmd, void *arg); |
|
|
|
/** |
|
* video_usercopy - copies data from/to userspace memory when an ioctl is |
|
* issued. |
|
* |
|
* @file: Pointer to struct &file. |
|
* @cmd: Ioctl name. |
|
* @arg: Ioctl argument. |
|
* @func: function that will handle the ioctl |
|
* |
|
* .. note:: |
|
* |
|
* This routine should be used only inside the V4L2 core. |
|
*/ |
|
long int video_usercopy(struct file *file, unsigned int cmd, |
|
unsigned long int arg, v4l2_kioctl func); |
|
|
|
/** |
|
* video_ioctl2 - Handles a V4L2 ioctl. |
|
* |
|
* @file: Pointer to struct &file. |
|
* @cmd: Ioctl name. |
|
* @arg: Ioctl argument. |
|
* |
|
* Method used to hancle an ioctl. Should be used to fill the |
|
* &v4l2_ioctl_ops.unlocked_ioctl on all V4L2 drivers. |
|
*/ |
|
long int video_ioctl2(struct file *file, |
|
unsigned int cmd, unsigned long int arg); |
|
|
|
/* |
|
* The user space interpretation of the 'v4l2_event' differs |
|
* based on the 'time_t' definition on 32-bit architectures, so |
|
* the kernel has to handle both. |
|
* This is the old version for 32-bit architectures. |
|
*/ |
|
struct v4l2_event_time32 { |
|
__u32 type; |
|
union { |
|
struct v4l2_event_vsync vsync; |
|
struct v4l2_event_ctrl ctrl; |
|
struct v4l2_event_frame_sync frame_sync; |
|
struct v4l2_event_src_change src_change; |
|
struct v4l2_event_motion_det motion_det; |
|
__u8 data[64]; |
|
} u; |
|
__u32 pending; |
|
__u32 sequence; |
|
struct old_timespec32 timestamp; |
|
__u32 id; |
|
__u32 reserved[8]; |
|
}; |
|
|
|
#define VIDIOC_DQEVENT_TIME32 _IOR('V', 89, struct v4l2_event_time32) |
|
|
|
struct v4l2_buffer_time32 { |
|
__u32 index; |
|
__u32 type; |
|
__u32 bytesused; |
|
__u32 flags; |
|
__u32 field; |
|
struct old_timeval32 timestamp; |
|
struct v4l2_timecode timecode; |
|
__u32 sequence; |
|
|
|
/* memory location */ |
|
__u32 memory; |
|
union { |
|
__u32 offset; |
|
unsigned long userptr; |
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struct v4l2_plane *planes; |
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__s32 fd; |
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} m; |
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__u32 length; |
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__u32 reserved2; |
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union { |
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__s32 request_fd; |
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__u32 reserved; |
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}; |
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}; |
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#define VIDIOC_QUERYBUF_TIME32 _IOWR('V', 9, struct v4l2_buffer_time32) |
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#define VIDIOC_QBUF_TIME32 _IOWR('V', 15, struct v4l2_buffer_time32) |
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#define VIDIOC_DQBUF_TIME32 _IOWR('V', 17, struct v4l2_buffer_time32) |
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#define VIDIOC_PREPARE_BUF_TIME32 _IOWR('V', 93, struct v4l2_buffer_time32) |
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#endif /* _V4L2_IOCTL_H */
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