memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \
0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field))
+#define have_fmt_ops(foo) ( \
+ ops->vidioc_##foo##_fmt_vid_cap || \
+ ops->vidioc_##foo##_fmt_vid_out || \
+ ops->vidioc_##foo##_fmt_vid_cap_mplane || \
+ ops->vidioc_##foo##_fmt_vid_out_mplane || \
+ ops->vidioc_##foo##_fmt_vid_overlay || \
+ ops->vidioc_##foo##_fmt_vbi_cap || \
+ ops->vidioc_##foo##_fmt_vid_out_overlay || \
+ ops->vidioc_##foo##_fmt_vbi_out || \
+ ops->vidioc_##foo##_fmt_sliced_vbi_cap || \
+ ops->vidioc_##foo##_fmt_sliced_vbi_out || \
+ ops->vidioc_##foo##_fmt_type_private)
+
struct std_descr {
v4l2_std_id std;
const char *descr;
[_IOC_NR(VIDIOC_DQEVENT)] = "VIDIOC_DQEVENT",
[_IOC_NR(VIDIOC_SUBSCRIBE_EVENT)] = "VIDIOC_SUBSCRIBE_EVENT",
[_IOC_NR(VIDIOC_UNSUBSCRIBE_EVENT)] = "VIDIOC_UNSUBSCRIBE_EVENT",
+ [_IOC_NR(VIDIOC_CREATE_BUFS)] = "VIDIOC_CREATE_BUFS",
+ [_IOC_NR(VIDIOC_PREPARE_BUF)] = "VIDIOC_PREPARE_BUF",
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
return -EINVAL;
}
-/**
- * fmt_sp_to_mp() - Convert a single-plane format to its multi-planar 1-plane
- * equivalent
- */
-static int fmt_sp_to_mp(const struct v4l2_format *f_sp,
- struct v4l2_format *f_mp)
-{
- struct v4l2_pix_format_mplane *pix_mp = &f_mp->fmt.pix_mp;
- const struct v4l2_pix_format *pix = &f_sp->fmt.pix;
-
- if (f_sp->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
- f_mp->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- else if (f_sp->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
- f_mp->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- else
- return -EINVAL;
-
- pix_mp->width = pix->width;
- pix_mp->height = pix->height;
- pix_mp->pixelformat = pix->pixelformat;
- pix_mp->field = pix->field;
- pix_mp->colorspace = pix->colorspace;
- pix_mp->num_planes = 1;
- pix_mp->plane_fmt[0].sizeimage = pix->sizeimage;
- pix_mp->plane_fmt[0].bytesperline = pix->bytesperline;
-
- return 0;
-}
-
-/**
- * fmt_mp_to_sp() - Convert a multi-planar 1-plane format to its single-planar
- * equivalent
- */
-static int fmt_mp_to_sp(const struct v4l2_format *f_mp,
- struct v4l2_format *f_sp)
-{
- const struct v4l2_pix_format_mplane *pix_mp = &f_mp->fmt.pix_mp;
- struct v4l2_pix_format *pix = &f_sp->fmt.pix;
-
- if (f_mp->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- f_sp->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- else if (f_mp->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
- f_sp->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
- else
- return -EINVAL;
-
- pix->width = pix_mp->width;
- pix->height = pix_mp->height;
- pix->pixelformat = pix_mp->pixelformat;
- pix->field = pix_mp->field;
- pix->colorspace = pix_mp->colorspace;
- pix->sizeimage = pix_mp->plane_fmt[0].sizeimage;
- pix->bytesperline = pix_mp->plane_fmt[0].bytesperline;
-
- return 0;
-}
-
static long __video_do_ioctl(struct file *file,
unsigned int cmd, void *arg)
{
const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops;
void *fh = file->private_data;
struct v4l2_fh *vfh = NULL;
- struct v4l2_format f_copy;
int use_fh_prio = 0;
+ long ret_prio = 0;
long ret = -ENOTTY;
if (ops == NULL) {
use_fh_prio = test_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
}
- if (use_fh_prio) {
- switch (cmd) {
- case VIDIOC_S_CTRL:
- case VIDIOC_S_STD:
- case VIDIOC_S_INPUT:
- case VIDIOC_S_OUTPUT:
- case VIDIOC_S_TUNER:
- case VIDIOC_S_FREQUENCY:
- case VIDIOC_S_FMT:
- case VIDIOC_S_CROP:
- case VIDIOC_S_AUDIO:
- case VIDIOC_S_AUDOUT:
- case VIDIOC_S_EXT_CTRLS:
- case VIDIOC_S_FBUF:
- case VIDIOC_S_PRIORITY:
- case VIDIOC_S_DV_PRESET:
- case VIDIOC_S_DV_TIMINGS:
- case VIDIOC_S_JPEGCOMP:
- case VIDIOC_S_MODULATOR:
- case VIDIOC_S_PARM:
- case VIDIOC_S_HW_FREQ_SEEK:
- case VIDIOC_ENCODER_CMD:
- case VIDIOC_OVERLAY:
- case VIDIOC_REQBUFS:
- case VIDIOC_STREAMON:
- case VIDIOC_STREAMOFF:
- ret = v4l2_prio_check(vfd->prio, vfh->prio);
- if (ret)
- goto exit_prio;
- ret = -EINVAL;
- break;
- }
- }
+ if (use_fh_prio)
+ ret_prio = v4l2_prio_check(vfd->prio, vfh->prio);
switch (cmd) {
enum v4l2_priority *p = arg;
if (!ops->vidioc_s_priority && !use_fh_prio)
- break;
+ break;
dbgarg(cmd, "setting priority to %d\n", *p);
if (ops->vidioc_s_priority)
ret = ops->vidioc_s_priority(file, fh, *p);
else
- ret = v4l2_prio_change(&vfd->v4l2_dev->prio, &vfh->prio, *p);
+ ret = ret_prio ? ret_prio :
+ v4l2_prio_change(&vfd->v4l2_dev->prio,
+ &vfh->prio, *p);
break;
}
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (ops->vidioc_enum_fmt_vid_cap)
+ if (likely(ops->vidioc_enum_fmt_vid_cap))
ret = ops->vidioc_enum_fmt_vid_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
- if (ops->vidioc_enum_fmt_vid_cap_mplane)
+ if (likely(ops->vidioc_enum_fmt_vid_cap_mplane))
ret = ops->vidioc_enum_fmt_vid_cap_mplane(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (ops->vidioc_enum_fmt_vid_overlay)
+ if (likely(ops->vidioc_enum_fmt_vid_overlay))
ret = ops->vidioc_enum_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (ops->vidioc_enum_fmt_vid_out)
+ if (likely(ops->vidioc_enum_fmt_vid_out))
ret = ops->vidioc_enum_fmt_vid_out(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
- if (ops->vidioc_enum_fmt_vid_out_mplane)
+ if (likely(ops->vidioc_enum_fmt_vid_out_mplane))
ret = ops->vidioc_enum_fmt_vid_out_mplane(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (ops->vidioc_enum_fmt_type_private)
+ if (likely(ops->vidioc_enum_fmt_type_private))
ret = ops->vidioc_enum_fmt_type_private(file,
fh, f);
break;
default:
break;
}
- if (!ret)
+ if (likely (!ret))
dbgarg(cmd, "index=%d, type=%d, flags=%d, "
"pixelformat=%c%c%c%c, description='%s'\n",
f->index, f->type, f->flags,
(f->pixelformat >> 16) & 0xff,
(f->pixelformat >> 24) & 0xff,
f->description);
+ else if (ret == -ENOTTY &&
+ (ops->vidioc_enum_fmt_vid_cap ||
+ ops->vidioc_enum_fmt_vid_out ||
+ ops->vidioc_enum_fmt_vid_cap_mplane ||
+ ops->vidioc_enum_fmt_vid_out_mplane ||
+ ops->vidioc_enum_fmt_vid_overlay ||
+ ops->vidioc_enum_fmt_type_private))
+ ret = -EINVAL;
break;
}
case VIDIOC_G_FMT:
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (ops->vidioc_g_fmt_vid_cap) {
+ if (ops->vidioc_g_fmt_vid_cap)
ret = ops->vidioc_g_fmt_vid_cap(file, fh, f);
- } else if (ops->vidioc_g_fmt_vid_cap_mplane) {
- if (fmt_sp_to_mp(f, &f_copy))
- break;
- ret = ops->vidioc_g_fmt_vid_cap_mplane(file, fh,
- &f_copy);
- if (ret)
- break;
-
- /* Driver is currently in multi-planar format,
- * we can't return it in single-planar API*/
- if (f_copy.fmt.pix_mp.num_planes > 1) {
- ret = -EBUSY;
- break;
- }
-
- ret = fmt_mp_to_sp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
- if (ops->vidioc_g_fmt_vid_cap_mplane) {
+ if (ops->vidioc_g_fmt_vid_cap_mplane)
ret = ops->vidioc_g_fmt_vid_cap_mplane(file,
fh, f);
- } else if (ops->vidioc_g_fmt_vid_cap) {
- if (fmt_mp_to_sp(f, &f_copy))
- break;
- ret = ops->vidioc_g_fmt_vid_cap(file,
- fh, &f_copy);
- if (ret)
- break;
-
- ret = fmt_sp_to_mp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (ops->vidioc_g_fmt_vid_overlay)
+ if (likely(ops->vidioc_g_fmt_vid_overlay))
ret = ops->vidioc_g_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (ops->vidioc_g_fmt_vid_out) {
+ if (ops->vidioc_g_fmt_vid_out)
ret = ops->vidioc_g_fmt_vid_out(file, fh, f);
- } else if (ops->vidioc_g_fmt_vid_out_mplane) {
- if (fmt_sp_to_mp(f, &f_copy))
- break;
- ret = ops->vidioc_g_fmt_vid_out_mplane(file, fh,
- &f_copy);
- if (ret)
- break;
-
- /* Driver is currently in multi-planar format,
- * we can't return it in single-planar API*/
- if (f_copy.fmt.pix_mp.num_planes > 1) {
- ret = -EBUSY;
- break;
- }
-
- ret = fmt_mp_to_sp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
- if (ops->vidioc_g_fmt_vid_out_mplane) {
+ if (ops->vidioc_g_fmt_vid_out_mplane)
ret = ops->vidioc_g_fmt_vid_out_mplane(file,
fh, f);
- } else if (ops->vidioc_g_fmt_vid_out) {
- if (fmt_mp_to_sp(f, &f_copy))
- break;
- ret = ops->vidioc_g_fmt_vid_out(file,
- fh, &f_copy);
- if (ret)
- break;
-
- ret = fmt_sp_to_mp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (ops->vidioc_g_fmt_vid_out_overlay)
+ if (likely(ops->vidioc_g_fmt_vid_out_overlay))
ret = ops->vidioc_g_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (ops->vidioc_g_fmt_vbi_cap)
+ if (likely(ops->vidioc_g_fmt_vbi_cap))
ret = ops->vidioc_g_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (ops->vidioc_g_fmt_vbi_out)
+ if (likely(ops->vidioc_g_fmt_vbi_out))
ret = ops->vidioc_g_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (ops->vidioc_g_fmt_sliced_vbi_cap)
+ if (likely(ops->vidioc_g_fmt_sliced_vbi_cap))
ret = ops->vidioc_g_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (ops->vidioc_g_fmt_sliced_vbi_out)
+ if (likely(ops->vidioc_g_fmt_sliced_vbi_out))
ret = ops->vidioc_g_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (ops->vidioc_g_fmt_type_private)
+ if (likely(ops->vidioc_g_fmt_type_private))
ret = ops->vidioc_g_fmt_type_private(file,
fh, f);
break;
}
+ if (unlikely(ret == -ENOTTY && have_fmt_ops(g)))
+ ret = -EINVAL;
break;
}
{
struct v4l2_format *f = (struct v4l2_format *)arg;
+ if (!have_fmt_ops(s))
+ break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
+ ret = -EINVAL;
+
/* FIXME: Should be one dump per type */
dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names));
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
CLEAR_AFTER_FIELD(f, fmt.pix);
v4l_print_pix_fmt(vfd, &f->fmt.pix);
- if (ops->vidioc_s_fmt_vid_cap) {
+ if (ops->vidioc_s_fmt_vid_cap)
ret = ops->vidioc_s_fmt_vid_cap(file, fh, f);
- } else if (ops->vidioc_s_fmt_vid_cap_mplane) {
- if (fmt_sp_to_mp(f, &f_copy))
- break;
- ret = ops->vidioc_s_fmt_vid_cap_mplane(file, fh,
- &f_copy);
- if (ret)
- break;
-
- if (f_copy.fmt.pix_mp.num_planes > 1) {
- /* Drivers shouldn't adjust from 1-plane
- * to more than 1-plane formats */
- ret = -EBUSY;
- WARN_ON(1);
- break;
- }
-
- ret = fmt_mp_to_sp(&f_copy, f);
- }
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
CLEAR_AFTER_FIELD(f, fmt.pix_mp);
v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
- if (ops->vidioc_s_fmt_vid_cap_mplane) {
+ if (ops->vidioc_s_fmt_vid_cap_mplane)
ret = ops->vidioc_s_fmt_vid_cap_mplane(file,
fh, f);
- } else if (ops->vidioc_s_fmt_vid_cap &&
- f->fmt.pix_mp.num_planes == 1) {
- if (fmt_mp_to_sp(f, &f_copy))
- break;
- ret = ops->vidioc_s_fmt_vid_cap(file,
- fh, &f_copy);
- if (ret)
- break;
-
- ret = fmt_sp_to_mp(&f_copy, f);
- }
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
CLEAR_AFTER_FIELD(f, fmt.win);
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
CLEAR_AFTER_FIELD(f, fmt.pix);
v4l_print_pix_fmt(vfd, &f->fmt.pix);
- if (ops->vidioc_s_fmt_vid_out) {
+ if (ops->vidioc_s_fmt_vid_out)
ret = ops->vidioc_s_fmt_vid_out(file, fh, f);
- } else if (ops->vidioc_s_fmt_vid_out_mplane) {
- if (fmt_sp_to_mp(f, &f_copy))
- break;
- ret = ops->vidioc_s_fmt_vid_out_mplane(file, fh,
- &f_copy);
- if (ret)
- break;
-
- if (f_copy.fmt.pix_mp.num_planes > 1) {
- /* Drivers shouldn't adjust from 1-plane
- * to more than 1-plane formats */
- ret = -EBUSY;
- WARN_ON(1);
- break;
- }
-
- ret = fmt_mp_to_sp(&f_copy, f);
- }
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
CLEAR_AFTER_FIELD(f, fmt.pix_mp);
v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
- if (ops->vidioc_s_fmt_vid_out_mplane) {
+ if (ops->vidioc_s_fmt_vid_out_mplane)
ret = ops->vidioc_s_fmt_vid_out_mplane(file,
fh, f);
- } else if (ops->vidioc_s_fmt_vid_out &&
- f->fmt.pix_mp.num_planes == 1) {
- if (fmt_mp_to_sp(f, &f_copy))
- break;
- ret = ops->vidioc_s_fmt_vid_out(file,
- fh, &f_copy);
- if (ret)
- break;
-
- ret = fmt_mp_to_sp(&f_copy, f);
- }
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
CLEAR_AFTER_FIELD(f, fmt.win);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (ops->vidioc_s_fmt_vbi_cap)
+ if (likely(ops->vidioc_s_fmt_vbi_cap))
ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (ops->vidioc_s_fmt_vbi_out)
+ if (likely(ops->vidioc_s_fmt_vbi_out))
ret = ops->vidioc_s_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (ops->vidioc_s_fmt_sliced_vbi_cap)
+ if (likely(ops->vidioc_s_fmt_sliced_vbi_cap))
ret = ops->vidioc_s_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (ops->vidioc_s_fmt_sliced_vbi_out)
+ if (likely(ops->vidioc_s_fmt_sliced_vbi_out))
ret = ops->vidioc_s_fmt_sliced_vbi_out(file,
fh, f);
+
break;
case V4L2_BUF_TYPE_PRIVATE:
/* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
- if (ops->vidioc_s_fmt_type_private)
+ if (likely(ops->vidioc_s_fmt_type_private))
ret = ops->vidioc_s_fmt_type_private(file,
fh, f);
break;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
CLEAR_AFTER_FIELD(f, fmt.pix);
- if (ops->vidioc_try_fmt_vid_cap) {
+ if (ops->vidioc_try_fmt_vid_cap)
ret = ops->vidioc_try_fmt_vid_cap(file, fh, f);
- } else if (ops->vidioc_try_fmt_vid_cap_mplane) {
- if (fmt_sp_to_mp(f, &f_copy))
- break;
- ret = ops->vidioc_try_fmt_vid_cap_mplane(file,
- fh, &f_copy);
- if (ret)
- break;
-
- if (f_copy.fmt.pix_mp.num_planes > 1) {
- /* Drivers shouldn't adjust from 1-plane
- * to more than 1-plane formats */
- ret = -EBUSY;
- WARN_ON(1);
- break;
- }
- ret = fmt_mp_to_sp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
CLEAR_AFTER_FIELD(f, fmt.pix_mp);
- if (ops->vidioc_try_fmt_vid_cap_mplane) {
+ if (ops->vidioc_try_fmt_vid_cap_mplane)
ret = ops->vidioc_try_fmt_vid_cap_mplane(file,
fh, f);
- } else if (ops->vidioc_try_fmt_vid_cap &&
- f->fmt.pix_mp.num_planes == 1) {
- if (fmt_mp_to_sp(f, &f_copy))
- break;
- ret = ops->vidioc_try_fmt_vid_cap(file,
- fh, &f_copy);
- if (ret)
- break;
-
- ret = fmt_sp_to_mp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
CLEAR_AFTER_FIELD(f, fmt.win);
- if (ops->vidioc_try_fmt_vid_overlay)
+ if (likely(ops->vidioc_try_fmt_vid_overlay))
ret = ops->vidioc_try_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
CLEAR_AFTER_FIELD(f, fmt.pix);
- if (ops->vidioc_try_fmt_vid_out) {
+ if (ops->vidioc_try_fmt_vid_out)
ret = ops->vidioc_try_fmt_vid_out(file, fh, f);
- } else if (ops->vidioc_try_fmt_vid_out_mplane) {
- if (fmt_sp_to_mp(f, &f_copy))
- break;
- ret = ops->vidioc_try_fmt_vid_out_mplane(file,
- fh, &f_copy);
- if (ret)
- break;
-
- if (f_copy.fmt.pix_mp.num_planes > 1) {
- /* Drivers shouldn't adjust from 1-plane
- * to more than 1-plane formats */
- ret = -EBUSY;
- WARN_ON(1);
- break;
- }
- ret = fmt_mp_to_sp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
CLEAR_AFTER_FIELD(f, fmt.pix_mp);
- if (ops->vidioc_try_fmt_vid_out_mplane) {
+ if (ops->vidioc_try_fmt_vid_out_mplane)
ret = ops->vidioc_try_fmt_vid_out_mplane(file,
fh, f);
- } else if (ops->vidioc_try_fmt_vid_out &&
- f->fmt.pix_mp.num_planes == 1) {
- if (fmt_mp_to_sp(f, &f_copy))
- break;
- ret = ops->vidioc_try_fmt_vid_out(file,
- fh, &f_copy);
- if (ret)
- break;
-
- ret = fmt_sp_to_mp(&f_copy, f);
- }
if (!ret)
v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
CLEAR_AFTER_FIELD(f, fmt.win);
- if (ops->vidioc_try_fmt_vid_out_overlay)
+ if (likely(ops->vidioc_try_fmt_vid_out_overlay))
ret = ops->vidioc_try_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (ops->vidioc_try_fmt_vbi_cap)
+ if (likely(ops->vidioc_try_fmt_vbi_cap))
ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (ops->vidioc_try_fmt_vbi_out)
+ if (likely(ops->vidioc_try_fmt_vbi_out))
ret = ops->vidioc_try_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (ops->vidioc_try_fmt_sliced_vbi_cap)
+ if (likely(ops->vidioc_try_fmt_sliced_vbi_cap))
ret = ops->vidioc_try_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (ops->vidioc_try_fmt_sliced_vbi_out)
+ if (likely(ops->vidioc_try_fmt_sliced_vbi_out))
ret = ops->vidioc_try_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
/* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
- if (ops->vidioc_try_fmt_type_private)
+ if (likely(ops->vidioc_try_fmt_type_private))
ret = ops->vidioc_try_fmt_type_private(file,
fh, f);
break;
}
-
+ if (unlikely(ret == -ENOTTY && have_fmt_ops(try)))
+ ret = -EINVAL;
break;
}
/* FIXME: Those buf reqs could be handled here,
if (!ops->vidioc_reqbufs)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
ret = check_fmt(ops, p->type);
if (ret)
break;
if (!ops->vidioc_overlay)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "value=%d\n", *i);
ret = ops->vidioc_overlay(file, fh, *i);
break;
if (!ops->vidioc_s_fbuf)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n",
p->capability, p->flags, (unsigned long)p->base);
v4l_print_pix_fmt(vfd, &p->fmt);
if (!ops->vidioc_streamon)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names));
ret = ops->vidioc_streamon(file, fh, i);
break;
if (!ops->vidioc_streamoff)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names));
ret = ops->vidioc_streamoff(file, fh, i);
break;
unsigned int index = p->index, i, j = 0;
const char *descr = "";
+ if (id == 0)
+ break;
+ ret = -EINVAL;
+
/* Return norm array in a canonical way */
for (i = 0; i <= index && id; i++) {
/* last std value in the standards array is 0, so this
{
v4l2_std_id *id = arg;
- ret = 0;
/* Calls the specific handler */
if (ops->vidioc_g_std)
ret = ops->vidioc_g_std(file, fh, id);
- else if (vfd->current_norm)
+ else if (vfd->current_norm) {
+ ret = 0;
*id = vfd->current_norm;
- else
- ret = -EINVAL;
+ }
- if (!ret)
+ if (likely(!ret))
dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id);
break;
}
dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id);
+ if (!ops->vidioc_s_std)
+ break;
+
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
+ ret = -EINVAL;
norm = (*id) & vfd->tvnorms;
if (vfd->tvnorms && !norm) /* Check if std is supported */
break;
/* Calls the specific handler */
- if (ops->vidioc_s_std)
- ret = ops->vidioc_s_std(file, fh, &norm);
- else
- ret = -EINVAL;
+ ret = ops->vidioc_s_std(file, fh, &norm);
/* Updates standard information */
if (ret >= 0)
if (!ops->vidioc_querystd)
break;
+ /*
+ * If nothing detected, it should return all supported
+ * Drivers just need to mask the std argument, in order
+ * to remove the standards that don't apply from the mask.
+ * This means that tuners, audio and video decoders can join
+ * their efforts to improve the standards detection
+ */
+ *p = vfd->tvnorms;
ret = ops->vidioc_querystd(file, fh, arg);
if (!ret)
dbgarg(cmd, "detected std=%08Lx\n",
if (!ops->vidioc_s_input)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "value=%d\n", *i);
ret = ops->vidioc_s_input(file, fh, *i);
break;
if (!ops->vidioc_s_output)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "value=%d\n", *i);
ret = ops->vidioc_s_output(file, fh, *i);
break;
if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
!ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value);
ctrl.value = p->value;
if (check_ext_ctrls(&ctrls, 1))
ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
+ else
+ ret = -EINVAL;
break;
}
case VIDIOC_G_EXT_CTRLS:
ret = v4l2_g_ext_ctrls(vfh->ctrl_handler, p);
else if (vfd->ctrl_handler)
ret = v4l2_g_ext_ctrls(vfd->ctrl_handler, p);
- else if (ops->vidioc_g_ext_ctrls && check_ext_ctrls(p, 0))
- ret = ops->vidioc_g_ext_ctrls(file, fh, p);
+ else if (ops->vidioc_g_ext_ctrls)
+ ret = check_ext_ctrls(p, 0) ?
+ ops->vidioc_g_ext_ctrls(file, fh, p) :
+ -EINVAL;
else
break;
v4l_print_ext_ctrls(cmd, vfd, p, !ret);
if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
!ops->vidioc_s_ext_ctrls)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
v4l_print_ext_ctrls(cmd, vfd, p, 1);
if (vfh && vfh->ctrl_handler)
ret = v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p);
ret = v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p);
else if (check_ext_ctrls(p, 0))
ret = ops->vidioc_s_ext_ctrls(file, fh, p);
+ else
+ ret = -EINVAL;
break;
}
case VIDIOC_TRY_EXT_CTRLS:
ret = v4l2_try_ext_ctrls(vfd->ctrl_handler, p);
else if (check_ext_ctrls(p, 0))
ret = ops->vidioc_try_ext_ctrls(file, fh, p);
+ else
+ ret = -EINVAL;
break;
}
case VIDIOC_QUERYMENU:
if (!ops->vidioc_s_audio)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "
"mode=0x%x\n", p->index, p->name,
p->capability, p->mode);
if (!ops->vidioc_s_audout)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "index=%d, name=%s, capability=%d, "
"mode=%d\n", p->index, p->name,
p->capability, p->mode);
if (!ops->vidioc_s_modulator)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "index=%d, name=%s, capability=%d, "
"rangelow=%d, rangehigh=%d, txsubchans=%d\n",
p->index, p->name, p->capability, p->rangelow,
if (!ops->vidioc_s_crop)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
dbgrect(vfd, "", &p->c);
ret = ops->vidioc_s_crop(file, fh, p);
if (!ops->vidioc_g_jpegcomp)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "quality=%d, APPn=%d, APP_len=%d, "
"COM_len=%d, jpeg_markers=%d\n",
p->quality, p->APPn, p->APP_len,
p->COM_len, p->jpeg_markers);
- ret = ops->vidioc_s_jpegcomp(file, fh, p);
+ ret = ops->vidioc_s_jpegcomp(file, fh, p);
break;
}
case VIDIOC_G_ENC_INDEX:
if (!ops->vidioc_encoder_cmd)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
ret = ops->vidioc_encoder_cmd(file, fh, p);
if (!ret)
dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags);
{
struct v4l2_streamparm *p = arg;
+ if (!ops->vidioc_g_parm && !vfd->current_norm)
+ break;
if (ops->vidioc_g_parm) {
ret = check_fmt(ops, p->type);
if (ret)
} else {
v4l2_std_id std = vfd->current_norm;
+ ret = -EINVAL;
if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
break;
ret = 0;
if (ops->vidioc_g_std)
ret = ops->vidioc_g_std(file, fh, &std);
- else if (std == 0)
- ret = -EINVAL;
if (ret == 0)
v4l2_video_std_frame_period(std,
&p->parm.capture.timeperframe);
if (!ops->vidioc_s_parm)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
ret = check_fmt(ops, p->type);
if (ret)
break;
if (!ops->vidioc_s_tuner)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
dbgarg(cmd, "index=%d, name=%s, type=%d, "
if (!ops->vidioc_s_frequency)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n",
p->tuner, p->type, p->frequency);
ret = ops->vidioc_s_frequency(file, fh, p);
if (!ops->vidioc_s_hw_freq_seek)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
dbgarg(cmd,
if (!ops->vidioc_s_dv_preset)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
dbgarg(cmd, "preset=%d\n", p->preset);
ret = ops->vidioc_s_dv_preset(file, fh, p);
if (!ops->vidioc_s_dv_timings)
break;
+ if (ret_prio) {
+ ret = ret_prio;
+ break;
+ }
switch (p->type) {
case V4L2_DV_BT_656_1120:
dbgarg(cmd, "type=0x%8.8x", sub->type);
break;
}
- default:
+ case VIDIOC_CREATE_BUFS:
{
- bool valid_prio = true;
+ struct v4l2_create_buffers *create = arg;
- if (!ops->vidioc_default)
+ if (!ops->vidioc_create_bufs)
+ break;
+ if (ret_prio) {
+ ret = ret_prio;
break;
- if (use_fh_prio)
- valid_prio = v4l2_prio_check(vfd->prio, vfh->prio) >= 0;
- ret = ops->vidioc_default(file, fh, valid_prio, cmd, arg);
+ }
+ ret = check_fmt(ops, create->format.type);
+ if (ret)
+ break;
+
+ ret = ops->vidioc_create_bufs(file, fh, create);
+
+ dbgarg(cmd, "count=%d @ %d\n", create->count, create->index);
break;
}
+ case VIDIOC_PREPARE_BUF:
+ {
+ struct v4l2_buffer *b = arg;
+
+ if (!ops->vidioc_prepare_buf)
+ break;
+ ret = check_fmt(ops, b->type);
+ if (ret)
+ break;
+
+ ret = ops->vidioc_prepare_buf(file, fh, b);
+
+ dbgarg(cmd, "index=%d", b->index);
+ break;
+ }
+ default:
+ if (!ops->vidioc_default)
+ break;
+ ret = ops->vidioc_default(file, fh, ret_prio >= 0, cmd, arg);
+ break;
} /* switch */
-exit_prio:
if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) {
if (ret < 0) {
v4l_print_ioctl(vfd->name, cmd);
struct v4l2_ext_controls *ctrls = parg;
if (ctrls->count != 0) {
+ if (ctrls->count > V4L2_CID_MAX_CTRLS) {
+ ret = -EINVAL;
+ break;
+ }
*user_ptr = (void __user *)ctrls->controls;
*kernel_ptr = (void *)&ctrls->controls;
*array_size = sizeof(struct v4l2_ext_control)
git.openpandora.org / pandora-kernel.git / blobdiff