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-rw-r--r--include/media/v4l2-ioctl.h782
1 files changed, 782 insertions, 0 deletions
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
new file mode 100644
index 000000000..86878fba3
--- /dev/null
+++ b/include/media/v4l2-ioctl.h
@@ -0,0 +1,782 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *
+ * V 4 L 2 D R I V E R H E L P E R A P I
+ *
+ * Moved from videodev2.h
+ *
+ * Some commonly needed functions for drivers (v4l2-common.o module)
+ */
+#ifndef _V4L2_IOCTL_H
+#define _V4L2_IOCTL_H
+
+#include <linux/poll.h>
+#include <linux/fs.h>
+#include <linux/mutex.h>
+#include <linux/sched/signal.h>
+#include <linux/compiler.h> /* need __user */
+#include <linux/videodev2.h>
+
+struct v4l2_fh;
+
+/**
+ * struct v4l2_ioctl_ops - describe operations for each V4L2 ioctl
+ *
+ * @vidioc_querycap: pointer to the function that implements
+ * :ref:`VIDIOC_QUERYCAP <vidioc_querycap>` ioctl
+ * @vidioc_enum_fmt_vid_cap: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ * for video capture in single and multi plane mode
+ * @vidioc_enum_fmt_vid_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ * for video overlay
+ * @vidioc_enum_fmt_vid_out: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ * for video output in single and multi plane mode
+ * @vidioc_enum_fmt_sdr_cap: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ * for Software Defined Radio capture
+ * @vidioc_enum_fmt_sdr_out: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ * for Software Defined Radio output
+ * @vidioc_enum_fmt_meta_cap: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ * for metadata capture
+ * @vidioc_enum_fmt_meta_out: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ * for metadata output
+ * @vidioc_g_fmt_vid_cap: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture
+ * in single plane mode
+ * @vidioc_g_fmt_vid_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay
+ * @vidioc_g_fmt_vid_out: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out
+ * in single plane mode
+ * @vidioc_g_fmt_vid_out_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay output
+ * @vidioc_g_fmt_vbi_cap: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture
+ * @vidioc_g_fmt_vbi_out: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output
+ * @vidioc_g_fmt_sliced_vbi_cap: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture
+ * @vidioc_g_fmt_sliced_vbi_out: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output
+ * @vidioc_g_fmt_vid_cap_mplane: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture
+ * in multiple plane mode
+ * @vidioc_g_fmt_vid_out_mplane: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out
+ * in multiplane plane mode
+ * @vidioc_g_fmt_sdr_cap: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
+ * Radio capture
+ * @vidioc_g_fmt_sdr_out: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
+ * Radio output
+ * @vidioc_g_fmt_meta_cap: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for metadata capture
+ * @vidioc_g_fmt_meta_out: pointer to the function that implements
+ * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for metadata output
+ * @vidioc_s_fmt_vid_cap: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture
+ * in single plane mode
+ * @vidioc_s_fmt_vid_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay
+ * @vidioc_s_fmt_vid_out: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out
+ * in single plane mode
+ * @vidioc_s_fmt_vid_out_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay output
+ * @vidioc_s_fmt_vbi_cap: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture
+ * @vidioc_s_fmt_vbi_out: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output
+ * @vidioc_s_fmt_sliced_vbi_cap: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture
+ * @vidioc_s_fmt_sliced_vbi_out: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output
+ * @vidioc_s_fmt_vid_cap_mplane: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture
+ * in multiple plane mode
+ * @vidioc_s_fmt_vid_out_mplane: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out
+ * in multiplane plane mode
+ * @vidioc_s_fmt_sdr_cap: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
+ * Radio capture
+ * @vidioc_s_fmt_sdr_out: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
+ * Radio output
+ * @vidioc_s_fmt_meta_cap: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for metadata capture
+ * @vidioc_s_fmt_meta_out: pointer to the function that implements
+ * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for metadata output
+ * @vidioc_try_fmt_vid_cap: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture
+ * in single plane mode
+ * @vidioc_try_fmt_vid_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay
+ * @vidioc_try_fmt_vid_out: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out
+ * in single plane mode
+ * @vidioc_try_fmt_vid_out_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay
+ * output
+ * @vidioc_try_fmt_vbi_cap: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture
+ * @vidioc_try_fmt_vbi_out: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output
+ * @vidioc_try_fmt_sliced_vbi_cap: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI
+ * capture
+ * @vidioc_try_fmt_sliced_vbi_out: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output
+ * @vidioc_try_fmt_vid_cap_mplane: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture
+ * in multiple plane mode
+ * @vidioc_try_fmt_vid_out_mplane: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out
+ * in multiplane plane mode
+ * @vidioc_try_fmt_sdr_cap: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
+ * Radio capture
+ * @vidioc_try_fmt_sdr_out: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined
+ * Radio output
+ * @vidioc_try_fmt_meta_cap: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for metadata capture
+ * @vidioc_try_fmt_meta_out: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for metadata output
+ * @vidioc_reqbufs: pointer to the function that implements
+ * :ref:`VIDIOC_REQBUFS <vidioc_reqbufs>` ioctl
+ * @vidioc_querybuf: pointer to the function that implements
+ * :ref:`VIDIOC_QUERYBUF <vidioc_querybuf>` ioctl
+ * @vidioc_qbuf: pointer to the function that implements
+ * :ref:`VIDIOC_QBUF <vidioc_qbuf>` ioctl
+ * @vidioc_expbuf: pointer to the function that implements
+ * :ref:`VIDIOC_EXPBUF <vidioc_expbuf>` ioctl
+ * @vidioc_dqbuf: pointer to the function that implements
+ * :ref:`VIDIOC_DQBUF <vidioc_qbuf>` ioctl
+ * @vidioc_create_bufs: pointer to the function that implements
+ * :ref:`VIDIOC_CREATE_BUFS <vidioc_create_bufs>` ioctl
+ * @vidioc_prepare_buf: pointer to the function that implements
+ * :ref:`VIDIOC_PREPARE_BUF <vidioc_prepare_buf>` ioctl
+ * @vidioc_overlay: pointer to the function that implements
+ * :ref:`VIDIOC_OVERLAY <vidioc_overlay>` ioctl
+ * @vidioc_g_fbuf: pointer to the function that implements
+ * :ref:`VIDIOC_G_FBUF <vidioc_g_fbuf>` ioctl
+ * @vidioc_s_fbuf: pointer to the function that implements
+ * :ref:`VIDIOC_S_FBUF <vidioc_g_fbuf>` ioctl
+ * @vidioc_streamon: pointer to the function that implements
+ * :ref:`VIDIOC_STREAMON <vidioc_streamon>` ioctl
+ * @vidioc_streamoff: pointer to the function that implements
+ * :ref:`VIDIOC_STREAMOFF <vidioc_streamon>` ioctl
+ * @vidioc_g_std: pointer to the function that implements
+ * :ref:`VIDIOC_G_STD <vidioc_g_std>` ioctl
+ * @vidioc_s_std: pointer to the function that implements
+ * :ref:`VIDIOC_S_STD <vidioc_g_std>` ioctl
+ * @vidioc_querystd: pointer to the function that implements
+ * :ref:`VIDIOC_QUERYSTD <vidioc_querystd>` ioctl
+ * @vidioc_enum_input: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_INPUT <vidioc_g_input>` ioctl
+ * @vidioc_g_input: pointer to the function that implements
+ * :ref:`VIDIOC_G_INPUT <vidioc_g_input>` ioctl
+ * @vidioc_s_input: pointer to the function that implements
+ * :ref:`VIDIOC_S_INPUT <vidioc_g_input>` ioctl
+ * @vidioc_enum_output: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_OUTPUT <vidioc_g_output>` ioctl
+ * @vidioc_g_output: pointer to the function that implements
+ * :ref:`VIDIOC_G_OUTPUT <vidioc_g_output>` ioctl
+ * @vidioc_s_output: pointer to the function that implements
+ * :ref:`VIDIOC_S_OUTPUT <vidioc_g_output>` ioctl
+ * @vidioc_queryctrl: pointer to the function that implements
+ * :ref:`VIDIOC_QUERYCTRL <vidioc_queryctrl>` ioctl
+ * @vidioc_query_ext_ctrl: pointer to the function that implements
+ * :ref:`VIDIOC_QUERY_EXT_CTRL <vidioc_queryctrl>` ioctl
+ * @vidioc_g_ctrl: pointer to the function that implements
+ * :ref:`VIDIOC_G_CTRL <vidioc_g_ctrl>` ioctl
+ * @vidioc_s_ctrl: pointer to the function that implements
+ * :ref:`VIDIOC_S_CTRL <vidioc_g_ctrl>` ioctl
+ * @vidioc_g_ext_ctrls: pointer to the function that implements
+ * :ref:`VIDIOC_G_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
+ * @vidioc_s_ext_ctrls: pointer to the function that implements
+ * :ref:`VIDIOC_S_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
+ * @vidioc_try_ext_ctrls: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
+ * @vidioc_querymenu: pointer to the function that implements
+ * :ref:`VIDIOC_QUERYMENU <vidioc_queryctrl>` ioctl
+ * @vidioc_enumaudio: pointer to the function that implements
+ * :ref:`VIDIOC_ENUMAUDIO <vidioc_enumaudio>` ioctl
+ * @vidioc_g_audio: pointer to the function that implements
+ * :ref:`VIDIOC_G_AUDIO <vidioc_g_audio>` ioctl
+ * @vidioc_s_audio: pointer to the function that implements
+ * :ref:`VIDIOC_S_AUDIO <vidioc_g_audio>` ioctl
+ * @vidioc_enumaudout: pointer to the function that implements
+ * :ref:`VIDIOC_ENUMAUDOUT <vidioc_enumaudout>` ioctl
+ * @vidioc_g_audout: pointer to the function that implements
+ * :ref:`VIDIOC_G_AUDOUT <vidioc_g_audout>` ioctl
+ * @vidioc_s_audout: pointer to the function that implements
+ * :ref:`VIDIOC_S_AUDOUT <vidioc_g_audout>` ioctl
+ * @vidioc_g_modulator: pointer to the function that implements
+ * :ref:`VIDIOC_G_MODULATOR <vidioc_g_modulator>` ioctl
+ * @vidioc_s_modulator: pointer to the function that implements
+ * :ref:`VIDIOC_S_MODULATOR <vidioc_g_modulator>` ioctl
+ * @vidioc_g_pixelaspect: pointer to the function that implements
+ * the pixelaspect part of the :ref:`VIDIOC_CROPCAP <vidioc_cropcap>` ioctl
+ * @vidioc_g_selection: pointer to the function that implements
+ * :ref:`VIDIOC_G_SELECTION <vidioc_g_selection>` ioctl
+ * @vidioc_s_selection: pointer to the function that implements
+ * :ref:`VIDIOC_S_SELECTION <vidioc_g_selection>` ioctl
+ * @vidioc_g_jpegcomp: pointer to the function that implements
+ * :ref:`VIDIOC_G_JPEGCOMP <vidioc_g_jpegcomp>` ioctl
+ * @vidioc_s_jpegcomp: pointer to the function that implements
+ * :ref:`VIDIOC_S_JPEGCOMP <vidioc_g_jpegcomp>` ioctl
+ * @vidioc_g_enc_index: pointer to the function that implements
+ * :ref:`VIDIOC_G_ENC_INDEX <vidioc_g_enc_index>` ioctl
+ * @vidioc_encoder_cmd: pointer to the function that implements
+ * :ref:`VIDIOC_ENCODER_CMD <vidioc_encoder_cmd>` ioctl
+ * @vidioc_try_encoder_cmd: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_ENCODER_CMD <vidioc_encoder_cmd>` ioctl
+ * @vidioc_decoder_cmd: pointer to the function that implements
+ * :ref:`VIDIOC_DECODER_CMD <vidioc_decoder_cmd>` ioctl
+ * @vidioc_try_decoder_cmd: pointer to the function that implements
+ * :ref:`VIDIOC_TRY_DECODER_CMD <vidioc_decoder_cmd>` ioctl
+ * @vidioc_g_parm: pointer to the function that implements
+ * :ref:`VIDIOC_G_PARM <vidioc_g_parm>` ioctl
+ * @vidioc_s_parm: pointer to the function that implements
+ * :ref:`VIDIOC_S_PARM <vidioc_g_parm>` ioctl
+ * @vidioc_g_tuner: pointer to the function that implements
+ * :ref:`VIDIOC_G_TUNER <vidioc_g_tuner>` ioctl
+ * @vidioc_s_tuner: pointer to the function that implements
+ * :ref:`VIDIOC_S_TUNER <vidioc_g_tuner>` ioctl
+ * @vidioc_g_frequency: pointer to the function that implements
+ * :ref:`VIDIOC_G_FREQUENCY <vidioc_g_frequency>` ioctl
+ * @vidioc_s_frequency: pointer to the function that implements
+ * :ref:`VIDIOC_S_FREQUENCY <vidioc_g_frequency>` ioctl
+ * @vidioc_enum_freq_bands: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FREQ_BANDS <vidioc_enum_freq_bands>` ioctl
+ * @vidioc_g_sliced_vbi_cap: pointer to the function that implements
+ * :ref:`VIDIOC_G_SLICED_VBI_CAP <vidioc_g_sliced_vbi_cap>` ioctl
+ * @vidioc_log_status: pointer to the function that implements
+ * :ref:`VIDIOC_LOG_STATUS <vidioc_log_status>` ioctl
+ * @vidioc_s_hw_freq_seek: pointer to the function that implements
+ * :ref:`VIDIOC_S_HW_FREQ_SEEK <vidioc_s_hw_freq_seek>` ioctl
+ * @vidioc_g_register: pointer to the function that implements
+ * :ref:`VIDIOC_DBG_G_REGISTER <vidioc_dbg_g_register>` ioctl
+ * @vidioc_s_register: pointer to the function that implements
+ * :ref:`VIDIOC_DBG_S_REGISTER <vidioc_dbg_g_register>` ioctl
+ * @vidioc_g_chip_info: pointer to the function that implements
+ * :ref:`VIDIOC_DBG_G_CHIP_INFO <vidioc_dbg_g_chip_info>` ioctl
+ * @vidioc_enum_framesizes: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FRAMESIZES <vidioc_enum_framesizes>` ioctl
+ * @vidioc_enum_frameintervals: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_FRAMEINTERVALS <vidioc_enum_frameintervals>` ioctl
+ * @vidioc_s_dv_timings: pointer to the function that implements
+ * :ref:`VIDIOC_S_DV_TIMINGS <vidioc_g_dv_timings>` ioctl
+ * @vidioc_g_dv_timings: pointer to the function that implements
+ * :ref:`VIDIOC_G_DV_TIMINGS <vidioc_g_dv_timings>` ioctl
+ * @vidioc_query_dv_timings: pointer to the function that implements
+ * :ref:`VIDIOC_QUERY_DV_TIMINGS <vidioc_query_dv_timings>` ioctl
+ * @vidioc_enum_dv_timings: pointer to the function that implements
+ * :ref:`VIDIOC_ENUM_DV_TIMINGS <vidioc_enum_dv_timings>` ioctl
+ * @vidioc_dv_timings_cap: pointer to the function that implements
+ * :ref:`VIDIOC_DV_TIMINGS_CAP <vidioc_dv_timings_cap>` ioctl
+ * @vidioc_g_edid: pointer to the function that implements
+ * :ref:`VIDIOC_G_EDID <vidioc_g_edid>` ioctl
+ * @vidioc_s_edid: pointer to the function that implements
+ * :ref:`VIDIOC_S_EDID <vidioc_g_edid>` ioctl
+ * @vidioc_subscribe_event: pointer to the function that implements
+ * :ref:`VIDIOC_SUBSCRIBE_EVENT <vidioc_subscribe_event>` ioctl
+ * @vidioc_unsubscribe_event: pointer to the function that implements
+ * :ref:`VIDIOC_UNSUBSCRIBE_EVENT <vidioc_unsubscribe_event>` ioctl
+ * @vidioc_default: pointed used to allow other ioctls
+ */
+struct v4l2_ioctl_ops {
+ /* ioctl callbacks */
+
+ /* VIDIOC_QUERYCAP handler */
+ int (*vidioc_querycap)(struct file *file, void *fh,
+ struct v4l2_capability *cap);
+
+ /* VIDIOC_ENUM_FMT handlers */
+ int (*vidioc_enum_fmt_vid_cap)(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+ int (*vidioc_enum_fmt_vid_overlay)(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+ int (*vidioc_enum_fmt_vid_out)(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+ int (*vidioc_enum_fmt_sdr_cap)(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+ int (*vidioc_enum_fmt_sdr_out)(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+ int (*vidioc_enum_fmt_meta_cap)(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+ int (*vidioc_enum_fmt_meta_out)(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+
+ /* VIDIOC_G_FMT handlers */
+ int (*vidioc_g_fmt_vid_cap)(struct file *file, void *fh,
+ 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
+
+/**
+ * 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;
+ struct v4l2_plane *planes;
+ __s32 fd;
+ } m;
+ __u32 length;
+ __u32 reserved2;
+ union {
+ __s32 request_fd;
+ __u32 reserved;
+ };
+};
+#define VIDIOC_QUERYBUF_TIME32 _IOWR('V', 9, struct v4l2_buffer_time32)
+#define VIDIOC_QBUF_TIME32 _IOWR('V', 15, struct v4l2_buffer_time32)
+#define VIDIOC_DQBUF_TIME32 _IOWR('V', 17, struct v4l2_buffer_time32)
+#define VIDIOC_PREPARE_BUF_TIME32 _IOWR('V', 93, struct v4l2_buffer_time32)
+
+#endif /* _V4L2_IOCTL_H */