drivers/media/platform/vivid/vivid-vid-common.h

   1 /*
   2  * vivid-vid-common.h - common video support functions.
   3  *
   4  * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
   5  *
   6  * This program is free software; you may redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  11  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  12  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  13  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  14  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  15  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  16  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  17  * SOFTWARE.
  18  */
  19
  20 #ifndef _VIVID_VID_COMMON_H_
  21 #define _VIVID_VID_COMMON_H_
  22
  23 typedef int (*fmtfunc)(struct file *file, void *priv, struct v4l2_format *f);
  24
  25 /*
  26  * Conversion function that converts a single-planar format to a
  27  * single-plane multiplanar format.
  28  */
  29 void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt);
  30 int fmt_sp2mp_func(struct file *file, void *priv,
  31                 struct v4l2_format *f, fmtfunc func);
  32
  33 extern const struct v4l2_dv_timings_cap vivid_dv_timings_cap;
  34
  35 const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat);
  36
  37 bool vivid_vid_can_loop(struct vivid_dev *dev);
  38 void vivid_send_source_change(struct vivid_dev *dev, unsigned type);
  39
  40 bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2);
  41 void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size);
  42 void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size);
  43 void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size);
  44 void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary);
  45 bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2);
  46 struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b);
  47 void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from,
  48                                      const struct v4l2_rect *to);
  49 int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r);
  50
  51 int vivid_enum_fmt_vid(struct file *file, void  *priv, struct v4l2_fmtdesc *f);
  52 int vidioc_enum_fmt_vid_mplane(struct file *file, void  *priv, struct v4l2_fmtdesc *f);
  53 int vidioc_enum_fmt_vid(struct file *file, void  *priv, struct v4l2_fmtdesc *f);
  54 int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id);
  55 int vidioc_g_dv_timings(struct file *file, void *_fh, struct v4l2_dv_timings *timings);
  56 int vidioc_enum_dv_timings(struct file *file, void *_fh, struct v4l2_enum_dv_timings *timings);
  57 int vidioc_dv_timings_cap(struct file *file, void *_fh, struct v4l2_dv_timings_cap *cap);
  58 int vidioc_g_edid(struct file *file, void *_fh, struct v4l2_edid *edid);
  59 int vidioc_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub);
  60
  61 #endif