V4L/DVB (8482): videodev: move all ioctl callbacks to a new v4l2_ioctl_ops struct
All ioctl callbacks are now stored in a new v4l2_ioctl_ops struct. Drivers fill in
a const struct v4l2_ioctl_ops and video_device just contains a const pointer to it.
This ensures a clean separation between the const ops struct and the non-const
video_device struct.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index e319d1f..dc64046 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -20,6 +20,229 @@
#include <linux/videodev2.h>
#endif
+struct v4l2_ioctl_ops {
+ /* ioctl callbacks */
+
+ /* VIDIOC_QUERYCAP handler */
+ int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap);
+
+ /* Priority handling */
+ int (*vidioc_g_priority) (struct file *file, void *fh,
+ enum v4l2_priority *p);
+ int (*vidioc_s_priority) (struct file *file, void *fh,
+ enum v4l2_priority p);
+
+ /* 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);
+#if 1
+ /* deprecated, will be removed in 2.6.28 */
+ int (*vidioc_enum_fmt_vbi_cap) (struct file *file, void *fh,
+ struct v4l2_fmtdesc *f);
+#endif
+ int (*vidioc_enum_fmt_type_private)(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_type_private)(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_type_private)(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_type_private)(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_dqbuf) (struct file *file, void *fh, struct v4l2_buffer *b);
+
+
+ int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i);
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+ /* buffer type is struct vidio_mbuf * */
+ int (*vidiocgmbuf) (struct file *file, void *fh, struct video_mbuf *p);
+#endif
+ int (*vidioc_g_fbuf) (struct file *file, void *fh,
+ struct v4l2_framebuffer *a);
+ int (*vidioc_s_fbuf) (struct file *file, void *fh,
+ 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
+ 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_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,
+ 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,
+ 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,
+ 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,
+ struct v4l2_crop *a);
+ /* Compression ioctls */
+ int (*vidioc_g_jpegcomp) (struct file *file, void *fh,
+ struct v4l2_jpegcompression *a);
+ int (*vidioc_s_jpegcomp) (struct file *file, void *fh,
+ 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);
+
+ /* 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,
+ 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,
+ struct v4l2_frequency *a);
+
+ /* 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,
+ struct v4l2_hw_freq_seek *a);
+
+ /* Debugging ioctls */
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ int (*vidioc_g_register) (struct file *file, void *fh,
+ struct v4l2_register *reg);
+ int (*vidioc_s_register) (struct file *file, void *fh,
+ struct v4l2_register *reg);
+#endif
+ int (*vidioc_g_chip_ident) (struct file *file, void *fh,
+ struct v4l2_chip_ident *chip);
+
+ /* For other private ioctls */
+ int (*vidioc_default) (struct file *file, void *fh,
+ int cmd, void *arg);
+};
+
+
/* v4l debugging and diagnostics */
/* Debug bitmask flags to be used on V4L2 */