Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 726 insertions, 0 deletions

diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
new file mode 100644
index 000000000..5848d92c3
--- /dev/null
+++ b/include/media/v4l2-ioctl.h
@@ -0,0 +1,726 @@
+/* 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 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 plane mode
+ * @vidioc_enum_fmt_vid_cap_mplane: pointer to the function that implements
+ *	:ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ *	for video capture in multiplane mode
+ * @vidioc_enum_fmt_vid_out_mplane: pointer to the function that implements
+ *	:ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic
+ *	for video output in multiplane 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_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_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_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_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_cropcap: pointer to the function that implements
+ *	:ref:`VIDIOC_CROPCAP <vidioc_cropcap>` ioctl
+ * @vidioc_g_crop: pointer to the function that implements
+ *	:ref:`VIDIOC_G_CROP <vidioc_g_crop>` ioctl
+ * @vidioc_s_crop: pointer to the function that implements
+ *	:ref:`VIDIOC_S_CROP <vidioc_g_crop>` 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_vid_cap_mplane)(struct file *file, void *fh,
+					      struct v4l2_fmtdesc *f);
+	int (*vidioc_enum_fmt_vid_out_mplane)(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);
+
+	/* 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);
+
+	/* 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);
+
+	/* 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);
+
+	/* 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_cropcap)(struct file *file, void *fh,
+			      struct v4l2_cropcap *a);
+	int (*vidioc_g_crop)(struct file *file, void *fh,
+			     struct v4l2_crop *a);
+	int (*vidioc_s_crop)(struct file *file, void *fh,
+			     const struct v4l2_crop *a);
+	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
+
+/*  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);
+
+#endif /* _V4L2_IOCTL_H */