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[media] vivid: add the video capture and output parts

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This adds the ioctl and vb2 queue support for video capture and output.
Part of this is common to both, so that is placed in a vid-common source.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2014-08-25 07:56:18 -03:00 committed by Mauro Carvalho Chehab
parent 73c3f48230
commit ef834f7836
6 changed files with 3694 additions and 0 deletions
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1729
drivers/media/platform/vivid/vivid-vid-cap.c Normal file
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drivers/media/platform/vivid/vivid-vid-cap.h Normal file
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/*
* vivid-vid-cap.h - video capture support functions.
*
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _VIVID_VID_CAP_H_
#define _VIVID_VID_CAP_H_
void vivid_update_quality(struct vivid_dev *dev);
void vivid_update_format_cap(struct vivid_dev *dev, bool keep_controls);
enum tpg_video_aspect vivid_get_video_aspect(const struct vivid_dev *dev);
extern const v4l2_std_id vivid_standard[];
extern const char * const vivid_ctrl_standard_strings[];
extern const struct vb2_ops vivid_vid_cap_qops;
int vivid_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f);
int vivid_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f);
int vivid_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_g_fmt_vid_cap_mplane(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_s_fmt_vid_cap_mplane(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f);
int vivid_vid_cap_g_selection(struct file *file, void *priv, struct v4l2_selection *sel);
int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection *s);
int vivid_vid_cap_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap);
int vidioc_enum_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_fmtdesc *f);
int vidioc_g_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_try_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_s_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_format *f);
int vivid_vid_cap_overlay(struct file *file, void *fh, unsigned i);
int vivid_vid_cap_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a);
int vivid_vid_cap_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a);
int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *inp);
int vidioc_g_input(struct file *file, void *priv, unsigned *i);
int vidioc_s_input(struct file *file, void *priv, unsigned i);
int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin);
int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *vin);
int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *vin);
int vivid_video_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf);
int vivid_video_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf);
int vivid_video_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt);
int vivid_video_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt);
int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *id);
int vivid_vid_cap_s_std(struct file *file, void *priv, v4l2_std_id id);
int vivid_vid_cap_s_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_s_edid(struct file *file, void *_fh, struct v4l2_edid *edid);
int vidioc_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize);
int vidioc_enum_frameintervals(struct file *file, void *priv, struct v4l2_frmivalenum *fival);
int vivid_vid_cap_g_parm(struct file *file, void *priv, struct v4l2_streamparm *parm);
int vivid_vid_cap_s_parm(struct file *file, void *priv, struct v4l2_streamparm *parm);
#endif

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drivers/media/platform/vivid/vivid-vid-common.c Normal file
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/*
* vivid-vid-common.c - common video support functions.
*
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/videodev2.h>
#include <linux/v4l2-dv-timings.h>
#include <media/v4l2-common.h>
#include <media/v4l2-event.h>
#include <media/v4l2-dv-timings.h>
#include "vivid-core.h"
#include "vivid-vid-common.h"
const struct v4l2_dv_timings_cap vivid_dv_timings_cap = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 25000000, 600000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT,
V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
};
/* ------------------------------------------------------------------
Basic structures
------------------------------------------------------------------*/
struct vivid_fmt vivid_formats[] = {
{
.name = "4:2:2, packed, YUYV",
.fourcc = V4L2_PIX_FMT_YUYV,
.depth = 16,
.is_yuv = true,
.planes = 1,
.data_offset = { PLANE0_DATA_OFFSET, 0 },
},
{
.name = "4:2:2, packed, UYVY",
.fourcc = V4L2_PIX_FMT_UYVY,
.depth = 16,
.is_yuv = true,
.planes = 1,
},
{
.name = "4:2:2, packed, YVYU",
.fourcc = V4L2_PIX_FMT_YVYU,
.depth = 16,
.is_yuv = true,
.planes = 1,
},
{
.name = "4:2:2, packed, VYUY",
.fourcc = V4L2_PIX_FMT_VYUY,
.depth = 16,
.is_yuv = true,
.planes = 1,
},
{
.name = "RGB565 (LE)",
.fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
.depth = 16,
.planes = 1,
.can_do_overlay = true,
},
{
.name = "RGB565 (BE)",
.fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
.depth = 16,
.planes = 1,
.can_do_overlay = true,
},
{
.name = "RGB555 (LE)",
.fourcc = V4L2_PIX_FMT_RGB555, /* gggbbbbb arrrrrgg */
.depth = 16,
.planes = 1,
.can_do_overlay = true,
},
{
.name = "XRGB555 (LE)",
.fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb arrrrrgg */
.depth = 16,
.planes = 1,
.can_do_overlay = true,
},
{
.name = "ARGB555 (LE)",
.fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
.depth = 16,
.planes = 1,
.can_do_overlay = true,
.alpha_mask = 0x8000,
},
{
.name = "RGB555 (BE)",
.fourcc = V4L2_PIX_FMT_RGB555X, /* arrrrrgg gggbbbbb */
.depth = 16,
.planes = 1,
.can_do_overlay = true,
},
{
.name = "RGB24 (LE)",
.fourcc = V4L2_PIX_FMT_RGB24, /* rgb */
.depth = 24,
.planes = 1,
},
{
.name = "RGB24 (BE)",
.fourcc = V4L2_PIX_FMT_BGR24, /* bgr */
.depth = 24,
.planes = 1,
},
{
.name = "RGB32 (LE)",
.fourcc = V4L2_PIX_FMT_RGB32, /* argb */
.depth = 32,
.planes = 1,
},
{
.name = "RGB32 (BE)",
.fourcc = V4L2_PIX_FMT_BGR32, /* bgra */
.depth = 32,
.planes = 1,
},
{
.name = "XRGB32 (LE)",
.fourcc = V4L2_PIX_FMT_XRGB32, /* argb */
.depth = 32,
.planes = 1,
},
{
.name = "XRGB32 (BE)",
.fourcc = V4L2_PIX_FMT_XBGR32, /* bgra */
.depth = 32,
.planes = 1,
},
{
.name = "ARGB32 (LE)",
.fourcc = V4L2_PIX_FMT_ARGB32, /* argb */
.depth = 32,
.planes = 1,
.alpha_mask = 0x000000ff,
},
{
.name = "ARGB32 (BE)",
.fourcc = V4L2_PIX_FMT_ABGR32, /* bgra */
.depth = 32,
.planes = 1,
.alpha_mask = 0xff000000,
},
{
.name = "4:2:2, planar, YUV",
.fourcc = V4L2_PIX_FMT_NV16M,
.depth = 8,
.is_yuv = true,
.planes = 2,
.data_offset = { PLANE0_DATA_OFFSET, 0 },
},
{
.name = "4:2:2, planar, YVU",
.fourcc = V4L2_PIX_FMT_NV61M,
.depth = 8,
.is_yuv = true,
.planes = 2,
.data_offset = { 0, PLANE0_DATA_OFFSET },
},
};
/* There are 2 multiplanar formats in the list */
#define VIVID_MPLANAR_FORMATS 2
const struct vivid_fmt *get_format(struct vivid_dev *dev, u32 pixelformat)
{
const struct vivid_fmt *fmt;
unsigned k;
for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) {
fmt = &vivid_formats[k];
if (fmt->fourcc == pixelformat)
if (fmt->planes == 1 || dev->multiplanar)
return fmt;
}
return NULL;
}
bool vivid_vid_can_loop(struct vivid_dev *dev)
{
if (dev->src_rect.width != dev->sink_rect.width ||
dev->src_rect.height != dev->sink_rect.height)
return false;
if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc)
return false;
if (dev->field_cap != dev->field_out)
return false;
if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) {
if (!(dev->std_cap & V4L2_STD_525_60) !=
!(dev->std_out & V4L2_STD_525_60))
return false;
return true;
}
if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev))
return true;
return false;
}
void vivid_send_source_change(struct vivid_dev *dev, unsigned type)
{
struct v4l2_event ev = {
.type = V4L2_EVENT_SOURCE_CHANGE,
.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
};
unsigned i;
for (i = 0; i < dev->num_inputs; i++) {
ev.id = i;
if (dev->input_type[i] == type) {
if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap)
v4l2_event_queue(&dev->vid_cap_dev, &ev);
if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap)
v4l2_event_queue(&dev->vbi_cap_dev, &ev);
}
}
}
/*
* Conversion function that converts a single-planar format to a
* single-plane multiplanar format.
*/
void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt)
{
struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp;
struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix;
bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT;
memset(mp->reserved, 0, sizeof(mp->reserved));
mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
V4L2_CAP_VIDEO_CAPTURE_MPLANE;
mp->width = pix->width;
mp->height = pix->height;
mp->pixelformat = pix->pixelformat;
mp->field = pix->field;
mp->colorspace = pix->colorspace;
mp->num_planes = 1;
mp->flags = pix->flags;
ppix->sizeimage = pix->sizeimage;
ppix->bytesperline = pix->bytesperline;
memset(ppix->reserved, 0, sizeof(ppix->reserved));
}
int fmt_sp2mp_func(struct file *file, void *priv,
struct v4l2_format *f, fmtfunc func)
{
struct v4l2_format fmt;
struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp;
struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0];
struct v4l2_pix_format *pix = &f->fmt.pix;
int ret;
/* Converts to a mplane format */
fmt_sp2mp(f, &fmt);
/* Passes it to the generic mplane format function */
ret = func(file, priv, &fmt);
/* Copies back the mplane data to the single plane format */
pix->width = mp->width;
pix->height = mp->height;
pix->pixelformat = mp->pixelformat;
pix->field = mp->field;
pix->colorspace = mp->colorspace;
pix->sizeimage = ppix->sizeimage;
pix->bytesperline = ppix->bytesperline;
pix->flags = mp->flags;
return ret;
}
/* v4l2_rect helper function: copy the width/height values */
void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size)
{
r->width = size->width;
r->height = size->height;
}
/* v4l2_rect helper function: width and height of r should be >= min_size */
void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size)
{
if (r->width < min_size->width)
r->width = min_size->width;
if (r->height < min_size->height)
r->height = min_size->height;
}
/* v4l2_rect helper function: width and height of r should be <= max_size */
void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size)
{
if (r->width > max_size->width)
r->width = max_size->width;
if (r->height > max_size->height)
r->height = max_size->height;
}
/* v4l2_rect helper function: r should be inside boundary */
void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary)
{
rect_set_max_size(r, boundary);
if (r->left < boundary->left)
r->left = boundary->left;
if (r->top < boundary->top)
r->top = boundary->top;
if (r->left + r->width > boundary->width)
r->left = boundary->width - r->width;
if (r->top + r->height > boundary->height)
r->top = boundary->height - r->height;
}
/* v4l2_rect helper function: return true if r1 has the same size as r2 */
bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
{
return r1->width == r2->width && r1->height == r2->height;
}
/* v4l2_rect helper function: calculate the intersection of two rects */
struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b)
{
struct v4l2_rect r;
int right, bottom;
r.top = max(a->top, b->top);
r.left = max(a->left, b->left);
bottom = min(a->top + a->height, b->top + b->height);
right = min(a->left + a->width, b->left + b->width);
r.height = max(0, bottom - r.top);
r.width = max(0, right - r.left);
return r;
}
/*
* v4l2_rect helper function: scale rect r by to->width / from->width and
* to->height / from->height.
*/
void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from,
const struct v4l2_rect *to)
{
if (from->width == 0 || from->height == 0) {
r->left = r->top = r->width = r->height = 0;
return;
}
r->left = (((r->left - from->left) * to->width) / from->width) & ~1;
r->width = ((r->width * to->width) / from->width) & ~1;
r->top = ((r->top - from->top) * to->height) / from->height;
r->height = (r->height * to->height) / from->height;
}
bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
{
/*
* IF the left side of r1 is to the right of the right side of r2 OR
* the left side of r2 is to the right of the right side of r1 THEN
* they do not overlap.
*/
if (r1->left >= r2->left + r2->width ||
r2->left >= r1->left + r1->width)
return false;
/*
* IF the top side of r1 is below the bottom of r2 OR
* the top side of r2 is below the bottom of r1 THEN
* they do not overlap.
*/
if (r1->top >= r2->top + r2->height ||
r2->top >= r1->top + r1->height)
return false;
return true;
}
int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r)
{
unsigned w = r->width;
unsigned h = r->height;
if (!(flags & V4L2_SEL_FLAG_LE)) {
w++;
h++;
if (w < 2)
w = 2;
if (h < 2)
h = 2;
}
if (!(flags & V4L2_SEL_FLAG_GE)) {
if (w > MAX_WIDTH)
w = MAX_WIDTH;
if (h > MAX_HEIGHT)
h = MAX_HEIGHT;
}
w = w & ~1;
h = h & ~1;
if (w < 2 || h < 2)
return -ERANGE;
if (w > MAX_WIDTH || h > MAX_HEIGHT)
return -ERANGE;
if (r->top < 0)
r->top = 0;
if (r->left < 0)
r->left = 0;
r->left &= ~1;
r->top &= ~1;
if (r->left + w > MAX_WIDTH)
r->left = MAX_WIDTH - w;
if (r->top + h > MAX_HEIGHT)
r->top = MAX_HEIGHT - h;
if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) ==
(V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) &&
(r->width != w || r->height != h))
return -ERANGE;
r->width = w;
r->height = h;
return 0;
}
int vivid_enum_fmt_vid(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct vivid_dev *dev = video_drvdata(file);
const struct vivid_fmt *fmt;
if (f->index >= ARRAY_SIZE(vivid_formats) -
(dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS))
return -EINVAL;
fmt = &vivid_formats[f->index];
strlcpy(f->description, fmt->name, sizeof(f->description));
f->pixelformat = fmt->fourcc;
return 0;
}
int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct vivid_dev *dev = video_drvdata(file);
if (!dev->multiplanar)
return -ENOTTY;
return vivid_enum_fmt_vid(file, priv, f);
}
int vidioc_enum_fmt_vid(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
struct vivid_dev *dev = video_drvdata(file);
if (dev->multiplanar)
return -ENOTTY;
return vivid_enum_fmt_vid(file, priv, f);
}
int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
{
struct vivid_dev *dev = video_drvdata(file);
struct video_device *vdev = video_devdata(file);
if (vdev->vfl_dir == VFL_DIR_RX) {
if (!vivid_is_sdtv_cap(dev))
return -ENODATA;
*id = dev->std_cap;
} else {
if (!vivid_is_svid_out(dev))
return -ENODATA;
*id = dev->std_out;
}
return 0;
}
int vidioc_g_dv_timings(struct file *file, void *_fh,
struct v4l2_dv_timings *timings)
{
struct vivid_dev *dev = video_drvdata(file);
struct video_device *vdev = video_devdata(file);
if (vdev->vfl_dir == VFL_DIR_RX) {
if (!vivid_is_hdmi_cap(dev))
return -ENODATA;
*timings = dev->dv_timings_cap;
} else {
if (!vivid_is_hdmi_out(dev))
return -ENODATA;
*timings = dev->dv_timings_out;
}
return 0;
}
int vidioc_enum_dv_timings(struct file *file, void *_fh,
struct v4l2_enum_dv_timings *timings)
{
struct vivid_dev *dev = video_drvdata(file);
struct video_device *vdev = video_devdata(file);
if (vdev->vfl_dir == VFL_DIR_RX) {
if (!vivid_is_hdmi_cap(dev))
return -ENODATA;
} else {
if (!vivid_is_hdmi_out(dev))
return -ENODATA;
}
return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap,
NULL, NULL);
}
int vidioc_dv_timings_cap(struct file *file, void *_fh,
struct v4l2_dv_timings_cap *cap)
{
struct vivid_dev *dev = video_drvdata(file);
struct video_device *vdev = video_devdata(file);
if (vdev->vfl_dir == VFL_DIR_RX) {
if (!vivid_is_hdmi_cap(dev))
return -ENODATA;
} else {
if (!vivid_is_hdmi_out(dev))
return -ENODATA;
}
*cap = vivid_dv_timings_cap;
return 0;
}
int vidioc_g_edid(struct file *file, void *_fh,
struct v4l2_edid *edid)
{
struct vivid_dev *dev = video_drvdata(file);
struct video_device *vdev = video_devdata(file);
memset(edid->reserved, 0, sizeof(edid->reserved));
if (vdev->vfl_dir == VFL_DIR_RX) {
if (edid->pad >= dev->num_inputs)
return -EINVAL;
if (dev->input_type[edid->pad] != HDMI)
return -EINVAL;
} else {
if (edid->pad >= dev->num_outputs)
return -EINVAL;
if (dev->output_type[edid->pad] != HDMI)
return -EINVAL;
}
if (edid->start_block == 0 && edid->blocks == 0) {
edid->blocks = dev->edid_blocks;
return 0;
}
if (dev->edid_blocks == 0)
return -ENODATA;
if (edid->start_block >= dev->edid_blocks)
return -EINVAL;
if (edid->start_block + edid->blocks > dev->edid_blocks)
edid->blocks = dev->edid_blocks - edid->start_block;
memcpy(edid->edid, dev->edid, edid->blocks * 128);
return 0;
}

61
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/*
* vivid-vid-common.h - common video support functions.
*
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _VIVID_VID_COMMON_H_
#define _VIVID_VID_COMMON_H_
typedef int (*fmtfunc)(struct file *file, void *priv, struct v4l2_format *f);
/*
* Conversion function that converts a single-planar format to a
* single-plane multiplanar format.
*/
void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt);
int fmt_sp2mp_func(struct file *file, void *priv,
struct v4l2_format *f, fmtfunc func);
extern const struct v4l2_dv_timings_cap vivid_dv_timings_cap;
const struct vivid_fmt *get_format(struct vivid_dev *dev, u32 pixelformat);
bool vivid_vid_can_loop(struct vivid_dev *dev);
void vivid_send_source_change(struct vivid_dev *dev, unsigned type);
bool rect_overlap(const struct v4l2_rect *r1, const struct v4l2_rect *r2);
void rect_set_size_to(struct v4l2_rect *r, const struct v4l2_rect *size);
void rect_set_min_size(struct v4l2_rect *r, const struct v4l2_rect *min_size);
void rect_set_max_size(struct v4l2_rect *r, const struct v4l2_rect *max_size);
void rect_map_inside(struct v4l2_rect *r, const struct v4l2_rect *boundary);
bool rect_same_size(const struct v4l2_rect *r1, const struct v4l2_rect *r2);
struct v4l2_rect rect_intersect(const struct v4l2_rect *a, const struct v4l2_rect *b);
void rect_scale(struct v4l2_rect *r, const struct v4l2_rect *from,
const struct v4l2_rect *to);
int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r);
int vivid_enum_fmt_vid(struct file *file, void *priv, struct v4l2_fmtdesc *f);
int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv, struct v4l2_fmtdesc *f);
int vidioc_enum_fmt_vid(struct file *file, void *priv, struct v4l2_fmtdesc *f);
int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id);
int vidioc_g_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_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub);
#endif

1205
drivers/media/platform/vivid/vivid-vid-out.c Normal file
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57
drivers/media/platform/vivid/vivid-vid-out.h Normal file
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/*
* vivid-vid-out.h - video output support functions.
*
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _VIVID_VID_OUT_H_
#define _VIVID_VID_OUT_H_
extern const struct vb2_ops vivid_vid_out_qops;
void vivid_update_format_out(struct vivid_dev *dev);
int vivid_g_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f);
int vivid_try_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f);
int vivid_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_g_fmt_vid_out_mplane(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_s_fmt_vid_out_mplane(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_g_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_try_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f);
int vivid_vid_out_g_selection(struct file *file, void *priv, struct v4l2_selection *sel);
int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s);
int vivid_vid_out_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cap);
int vidioc_enum_fmt_vid_out_overlay(struct file *file, void *priv, struct v4l2_fmtdesc *f);
int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv, struct v4l2_format *f);
int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv, struct v4l2_format *f);
int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i);
int vivid_vid_out_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a);
int vivid_vid_out_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a);
int vidioc_enum_output(struct file *file, void *priv, struct v4l2_output *out);
int vidioc_g_output(struct file *file, void *priv, unsigned *i);
int vidioc_s_output(struct file *file, void *priv, unsigned i);
int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout);
int vidioc_g_audout(struct file *file, void *fh, struct v4l2_audioout *vout);
int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout);
int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id);
int vivid_vid_out_s_dv_timings(struct file *file, void *_fh, struct v4l2_dv_timings *timings);
int vidioc_g_edid(struct file *file, void *_fh, struct v4l2_edid *edid);
int vivid_vid_out_g_parm(struct file *file, void *priv, struct v4l2_streamparm *parm);
#endif