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path: root/drivers/media/v4l2-core/v4l2-ioctl.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ioctl.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c145
1 files changed, 82 insertions, 63 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index c63746968fa3..90aad465f9ed 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -194,6 +194,7 @@ const char *v4l2_type_names[] = {
[V4L2_BUF_TYPE_SDR_CAPTURE] = "sdr-cap",
[V4L2_BUF_TYPE_SDR_OUTPUT] = "sdr-out",
[V4L2_BUF_TYPE_META_CAPTURE] = "meta-cap",
+ [V4L2_BUF_TYPE_META_OUTPUT] = "meta-out",
};
EXPORT_SYMBOL(v4l2_type_names);
@@ -286,6 +287,7 @@ static void v4l_print_format(const void *arg, bool write_only)
const struct v4l2_window *win;
const struct v4l2_sdr_format *sdr;
const struct v4l2_meta_format *meta;
+ u32 planes;
unsigned i;
pr_cont("type=%s", prt_names(p->type, v4l2_type_names));
@@ -316,7 +318,8 @@ static void v4l_print_format(const void *arg, bool write_only)
prt_names(mp->field, v4l2_field_names),
mp->colorspace, mp->num_planes, mp->flags,
mp->ycbcr_enc, mp->quantization, mp->xfer_func);
- for (i = 0; i < mp->num_planes; i++)
+ planes = min_t(u32, mp->num_planes, VIDEO_MAX_PLANES);
+ for (i = 0; i < planes; i++)
printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i,
mp->plane_fmt[i].bytesperline,
mp->plane_fmt[i].sizeimage);
@@ -366,6 +369,7 @@ static void v4l_print_format(const void *arg, bool write_only)
(sdr->pixelformat >> 24) & 0xff);
break;
case V4L2_BUF_TYPE_META_CAPTURE:
+ case V4L2_BUF_TYPE_META_OUTPUT:
meta = &p->fmt.meta;
pr_cont(", dataformat=%c%c%c%c, buffersize=%u\n",
(meta->dataformat >> 0) & 0xff,
@@ -999,6 +1003,10 @@ static int check_fmt(struct file *file, enum v4l2_buf_type type)
if (is_vid && is_rx && ops->vidioc_g_fmt_meta_cap)
return 0;
break;
+ case V4L2_BUF_TYPE_META_OUTPUT:
+ if (is_vid && is_tx && ops->vidioc_g_fmt_meta_out)
+ return 0;
+ break;
default:
break;
}
@@ -1189,6 +1197,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_Y12I: descr = "Interleaved 12-bit Greyscale"; break;
case V4L2_PIX_FMT_Z16: descr = "16-bit Depth"; break;
case V4L2_PIX_FMT_INZI: descr = "Planar 10:16 Greyscale Depth"; break;
+ case V4L2_PIX_FMT_CNF4: descr = "4-bit Depth Confidence (Packed)"; break;
case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break;
case V4L2_PIX_FMT_UV8: descr = "8-bit Chrominance UV 4-4"; break;
case V4L2_PIX_FMT_YVU410: descr = "Planar YVU 4:1:0"; break;
@@ -1339,9 +1348,9 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_MT21C: descr = "Mediatek Compressed Format"; break;
case V4L2_PIX_FMT_SUNXI_TILED_NV12: descr = "Sunxi Tiled NV12 Format"; break;
default:
- WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat);
if (fmt->description[0])
return;
+ WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat);
flags = 0;
snprintf(fmt->description, sz, "%c%c%c%c%s",
(char)(fmt->pixelformat & 0x7f),
@@ -1409,6 +1418,11 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
break;
ret = ops->vidioc_enum_fmt_meta_cap(file, fh, arg);
break;
+ case V4L2_BUF_TYPE_META_OUTPUT:
+ if (unlikely(!ops->vidioc_enum_fmt_meta_out))
+ break;
+ ret = ops->vidioc_enum_fmt_meta_out(file, fh, arg);
+ break;
}
if (ret == 0)
v4l_fill_fmtdesc(p);
@@ -1487,6 +1501,8 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
return ops->vidioc_g_fmt_sdr_out(file, fh, arg);
case V4L2_BUF_TYPE_META_CAPTURE:
return ops->vidioc_g_fmt_meta_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_META_OUTPUT:
+ return ops->vidioc_g_fmt_meta_out(file, fh, arg);
}
return -EINVAL;
}
@@ -1512,6 +1528,7 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
struct v4l2_format *p = arg;
struct video_device *vfd = video_devdata(file);
int ret = check_fmt(file, p->type);
+ unsigned int i;
if (ret)
return ret;
@@ -1536,6 +1553,11 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane))
break;
CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES)
+ break;
+ for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
+ CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
+ bytesperline);
return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg);
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
if (unlikely(!ops->vidioc_s_fmt_vid_overlay))
@@ -1564,6 +1586,11 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane))
break;
CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES)
+ break;
+ for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
+ CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
+ bytesperline);
return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg);
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay))
@@ -1595,6 +1622,11 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
break;
CLEAR_AFTER_FIELD(p, fmt.meta);
return ops->vidioc_s_fmt_meta_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_META_OUTPUT:
+ if (unlikely(!ops->vidioc_s_fmt_meta_out))
+ break;
+ CLEAR_AFTER_FIELD(p, fmt.meta);
+ return ops->vidioc_s_fmt_meta_out(file, fh, arg);
}
return -EINVAL;
}
@@ -1604,6 +1636,7 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
{
struct v4l2_format *p = arg;
int ret = check_fmt(file, p->type);
+ unsigned int i;
if (ret)
return ret;
@@ -1623,6 +1656,11 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane))
break;
CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES)
+ break;
+ for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
+ CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
+ bytesperline);
return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg);
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
if (unlikely(!ops->vidioc_try_fmt_vid_overlay))
@@ -1651,6 +1689,11 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane))
break;
CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ if (p->fmt.pix_mp.num_planes > VIDEO_MAX_PLANES)
+ break;
+ for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
+ CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
+ bytesperline);
return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg);
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay))
@@ -1682,6 +1725,11 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
break;
CLEAR_AFTER_FIELD(p, fmt.meta);
return ops->vidioc_try_fmt_meta_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_META_OUTPUT:
+ if (unlikely(!ops->vidioc_try_fmt_meta_out))
+ break;
+ CLEAR_AFTER_FIELD(p, fmt.meta);
+ return ops->vidioc_try_fmt_meta_out(file, fh, arg);
}
return -EINVAL;
}
@@ -2202,21 +2250,24 @@ static int v4l_s_selection(const struct v4l2_ioctl_ops *ops,
static int v4l_g_crop(const struct v4l2_ioctl_ops *ops,
struct file *file, void *fh, void *arg)
{
+ struct video_device *vfd = video_devdata(file);
struct v4l2_crop *p = arg;
struct v4l2_selection s = {
.type = p->type,
};
int ret;
- if (ops->vidioc_g_crop)
- return ops->vidioc_g_crop(file, fh, p);
/* simulate capture crop using selection api */
/* crop means compose for output devices */
if (V4L2_TYPE_IS_OUTPUT(p->type))
- s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE;
+ s.target = V4L2_SEL_TGT_COMPOSE;
else
- s.target = V4L2_SEL_TGT_CROP_ACTIVE;
+ s.target = V4L2_SEL_TGT_CROP;
+
+ if (test_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags))
+ s.target = s.target == V4L2_SEL_TGT_COMPOSE ?
+ V4L2_SEL_TGT_CROP : V4L2_SEL_TGT_COMPOSE;
ret = v4l_g_selection(ops, file, fh, &s);
@@ -2229,21 +2280,24 @@ static int v4l_g_crop(const struct v4l2_ioctl_ops *ops,
static int v4l_s_crop(const struct v4l2_ioctl_ops *ops,
struct file *file, void *fh, void *arg)
{
+ struct video_device *vfd = video_devdata(file);
struct v4l2_crop *p = arg;
struct v4l2_selection s = {
.type = p->type,
.r = p->c,
};
- if (ops->vidioc_s_crop)
- return ops->vidioc_s_crop(file, fh, p);
/* simulate capture crop using selection api */
/* crop means compose for output devices */
if (V4L2_TYPE_IS_OUTPUT(p->type))
- s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE;
+ s.target = V4L2_SEL_TGT_COMPOSE;
else
- s.target = V4L2_SEL_TGT_CROP_ACTIVE;
+ s.target = V4L2_SEL_TGT_CROP;
+
+ if (test_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags))
+ s.target = s.target == V4L2_SEL_TGT_COMPOSE ?
+ V4L2_SEL_TGT_CROP : V4L2_SEL_TGT_COMPOSE;
return v4l_s_selection(ops, file, fh, &s);
}
@@ -2251,6 +2305,7 @@ static int v4l_s_crop(const struct v4l2_ioctl_ops *ops,
static int v4l_cropcap(const struct v4l2_ioctl_ops *ops,
struct file *file, void *fh, void *arg)
{
+ struct video_device *vfd = video_devdata(file);
struct v4l2_cropcap *p = arg;
struct v4l2_selection s = { .type = p->type };
int ret = 0;
@@ -2259,18 +2314,21 @@ static int v4l_cropcap(const struct v4l2_ioctl_ops *ops,
p->pixelaspect.numerator = 1;
p->pixelaspect.denominator = 1;
+ if (s.type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ s.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ else if (s.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ s.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+
/*
* The determine_valid_ioctls() call already should ensure
* that this can never happen, but just in case...
*/
- if (WARN_ON(!ops->vidioc_cropcap && !ops->vidioc_g_selection))
+ if (WARN_ON(!ops->vidioc_g_selection))
return -ENOTTY;
- if (ops->vidioc_cropcap)
- ret = ops->vidioc_cropcap(file, fh, p);
-
- if (!ops->vidioc_g_selection)
- return ret;
+ if (ops->vidioc_g_pixelaspect)
+ ret = ops->vidioc_g_pixelaspect(file, fh, s.type,
+ &p->pixelaspect);
/*
* Ignore ENOTTY or ENOIOCTLCMD error returns, just use the
@@ -2287,13 +2345,17 @@ static int v4l_cropcap(const struct v4l2_ioctl_ops *ops,
else
s.target = V4L2_SEL_TGT_CROP_BOUNDS;
+ if (test_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags))
+ s.target = s.target == V4L2_SEL_TGT_COMPOSE_BOUNDS ?
+ V4L2_SEL_TGT_CROP_BOUNDS : V4L2_SEL_TGT_COMPOSE_BOUNDS;
+
ret = v4l_g_selection(ops, file, fh, &s);
if (ret)
return ret;
p->bounds = s.r;
/* obtaining defrect */
- if (V4L2_TYPE_IS_OUTPUT(p->type))
+ if (s.target == V4L2_SEL_TGT_COMPOSE_BOUNDS)
s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT;
else
s.target = V4L2_SEL_TGT_CROP_DEFAULT;
@@ -2586,7 +2648,7 @@ DEFINE_V4L_STUB_FUNC(enum_dv_timings)
DEFINE_V4L_STUB_FUNC(query_dv_timings)
DEFINE_V4L_STUB_FUNC(dv_timings_cap)
-static struct v4l2_ioctl_info v4l2_ioctls[] = {
+static const struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0),
IOCTL_INFO(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, INFO_FL_CLEAR(v4l2_fmtdesc, type)),
IOCTL_INFO(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, 0),
@@ -2679,45 +2741,6 @@ static bool v4l2_is_known_ioctl(unsigned int cmd)
return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd;
}
-#if IS_ENABLED(CONFIG_V4L2_MEM2MEM_DEV)
-static bool v4l2_ioctl_m2m_queue_is_output(unsigned int cmd, void *arg)
-{
- switch (cmd) {
- case VIDIOC_CREATE_BUFS: {
- struct v4l2_create_buffers *cbufs = arg;
-
- return V4L2_TYPE_IS_OUTPUT(cbufs->format.type);
- }
- case VIDIOC_REQBUFS: {
- struct v4l2_requestbuffers *rbufs = arg;
-
- return V4L2_TYPE_IS_OUTPUT(rbufs->type);
- }
- case VIDIOC_QBUF:
- case VIDIOC_DQBUF:
- case VIDIOC_QUERYBUF:
- case VIDIOC_PREPARE_BUF: {
- struct v4l2_buffer *buf = arg;
-
- return V4L2_TYPE_IS_OUTPUT(buf->type);
- }
- case VIDIOC_EXPBUF: {
- struct v4l2_exportbuffer *expbuf = arg;
-
- return V4L2_TYPE_IS_OUTPUT(expbuf->type);
- }
- case VIDIOC_STREAMON:
- case VIDIOC_STREAMOFF: {
- int *type = arg;
-
- return V4L2_TYPE_IS_OUTPUT(*type);
- }
- default:
- return false;
- }
-}
-#endif
-
static struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev,
struct v4l2_fh *vfh, unsigned int cmd,
void *arg)
@@ -2727,12 +2750,8 @@ static struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev,
#if IS_ENABLED(CONFIG_V4L2_MEM2MEM_DEV)
if (vfh && vfh->m2m_ctx &&
(v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE)) {
- bool is_output = v4l2_ioctl_m2m_queue_is_output(cmd, arg);
- struct v4l2_m2m_queue_ctx *ctx = is_output ?
- &vfh->m2m_ctx->out_q_ctx : &vfh->m2m_ctx->cap_q_ctx;
-
- if (ctx->q.lock)
- return ctx->q.lock;
+ if (vfh->m2m_ctx->q_lock)
+ return vfh->m2m_ctx->q_lock;
}
#endif
if (vdev->queue && vdev->queue->lock &&
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