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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.c86
1 files changed, 34 insertions, 52 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 87f163a89c80..a858acea6547 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -310,14 +310,10 @@ static void v4l_print_format(const void *arg, bool write_only)
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
win = &p->fmt.win;
- /* Note: we can't print the clip list here since the clips
- * pointer is a userspace pointer, not a kernelspace
- * pointer. */
- pr_cont(", wxh=%dx%d, x,y=%d,%d, field=%s, chromakey=0x%08x, clipcount=%u, clips=%p, bitmap=%p, global_alpha=0x%02x\n",
+ pr_cont(", wxh=%dx%d, x,y=%d,%d, field=%s, chromakey=0x%08x, global_alpha=0x%02x\n",
win->w.width, win->w.height, win->w.left, win->w.top,
prt_names(win->field, v4l2_field_names),
- win->chromakey, win->clipcount, win->clips,
- win->bitmap, win->global_alpha);
+ win->chromakey, win->global_alpha);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
case V4L2_BUF_TYPE_VBI_OUTPUT:
@@ -1302,11 +1298,14 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_RGBX1010102: descr = "32-bit RGBX 10-10-10-2"; break;
case V4L2_PIX_FMT_RGBA1010102: descr = "32-bit RGBA 10-10-10-2"; break;
case V4L2_PIX_FMT_ARGB2101010: descr = "32-bit ARGB 2-10-10-10"; break;
+ case V4L2_PIX_FMT_BGR48_12: descr = "12-bit Depth BGR"; break;
+ case V4L2_PIX_FMT_ABGR64_12: descr = "12-bit Depth BGRA"; break;
case V4L2_PIX_FMT_GREY: descr = "8-bit Greyscale"; break;
case V4L2_PIX_FMT_Y4: descr = "4-bit Greyscale"; break;
case V4L2_PIX_FMT_Y6: descr = "6-bit Greyscale"; break;
case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break;
case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break;
+ case V4L2_PIX_FMT_Y012: descr = "12-bit Greyscale (bits 15-4)"; break;
case V4L2_PIX_FMT_Y14: descr = "14-bit Greyscale"; break;
case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break;
case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break;
@@ -1345,6 +1344,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_YUV420: descr = "Planar YUV 4:2:0"; break;
case V4L2_PIX_FMT_HI240: descr = "8-bit Dithered RGB (BTTV)"; break;
case V4L2_PIX_FMT_M420: descr = "YUV 4:2:0 (M420)"; break;
+ case V4L2_PIX_FMT_YUV48_12: descr = "12-bit YUV 4:4:4 Packed"; break;
case V4L2_PIX_FMT_NV12: descr = "Y/UV 4:2:0"; break;
case V4L2_PIX_FMT_NV21: descr = "Y/VU 4:2:0"; break;
case V4L2_PIX_FMT_NV16: descr = "Y/UV 4:2:2"; break;
@@ -1352,6 +1352,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_NV24: descr = "Y/UV 4:4:4"; break;
case V4L2_PIX_FMT_NV42: descr = "Y/VU 4:4:4"; break;
case V4L2_PIX_FMT_P010: descr = "10-bit Y/UV 4:2:0"; break;
+ case V4L2_PIX_FMT_P012: descr = "12-bit Y/UV 4:2:0"; break;
case V4L2_PIX_FMT_NV12_4L4: descr = "Y/UV 4:2:0 (4x4 Linear)"; break;
case V4L2_PIX_FMT_NV12_16L16: descr = "Y/UV 4:2:0 (16x16 Linear)"; break;
case V4L2_PIX_FMT_NV12_32L32: descr = "Y/UV 4:2:0 (32x32 Linear)"; break;
@@ -1362,6 +1363,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_NV61M: descr = "Y/VU 4:2:2 (N-C)"; break;
case V4L2_PIX_FMT_NV12MT: descr = "Y/UV 4:2:0 (64x32 MB, N-C)"; break;
case V4L2_PIX_FMT_NV12MT_16X16: descr = "Y/UV 4:2:0 (16x16 MB, N-C)"; break;
+ case V4L2_PIX_FMT_P012M: descr = "12-bit Y/UV 4:2:0 (N-C)"; break;
case V4L2_PIX_FMT_YUV420M: descr = "Planar YUV 4:2:0 (N-C)"; break;
case V4L2_PIX_FMT_YVU420M: descr = "Planar YVU 4:2:0 (N-C)"; break;
case V4L2_PIX_FMT_YUV422M: descr = "Planar YUV 4:2:2 (N-C)"; break;
@@ -1479,6 +1481,9 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_HEVC_SLICE: descr = "HEVC Parsed Slice Data"; break;
case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */
case V4L2_PIX_FMT_FWHT_STATELESS: descr = "FWHT Stateless"; break; /* used in vicodec */
+ case V4L2_PIX_FMT_SPK: descr = "Sorenson Spark"; break;
+ case V4L2_PIX_FMT_RV30: descr = "RealVideo 8"; break;
+ case V4L2_PIX_FMT_RV40: descr = "RealVideo 9 & 10"; break;
case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break;
case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break;
case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break;
@@ -1618,29 +1623,7 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
if (ret)
return ret;
- /*
- * fmt can't be cleared for these overlay types due to the 'clips'
- * 'clipcount' and 'bitmap' pointers in struct v4l2_window.
- * Those are provided by the user. So handle these two overlay types
- * first, and then just do a simple memset for the other types.
- */
- switch (p->type) {
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: {
- struct v4l2_clip *clips = p->fmt.win.clips;
- u32 clipcount = p->fmt.win.clipcount;
- void __user *bitmap = p->fmt.win.bitmap;
-
- memset(&p->fmt, 0, sizeof(p->fmt));
- p->fmt.win.clips = clips;
- p->fmt.win.clipcount = clipcount;
- p->fmt.win.bitmap = bitmap;
- break;
- }
- default:
- memset(&p->fmt, 0, sizeof(p->fmt));
- break;
- }
+ memset(&p->fmt, 0, sizeof(p->fmt));
switch (p->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@@ -1728,6 +1711,9 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_s_fmt_vid_overlay))
break;
memset_after(p, 0, fmt.win);
+ p->fmt.win.clips = NULL;
+ p->fmt.win.clipcount = 0;
+ p->fmt.win.bitmap = NULL;
return ops->vidioc_s_fmt_vid_overlay(file, fh, arg);
case V4L2_BUF_TYPE_VBI_CAPTURE:
if (unlikely(!ops->vidioc_s_fmt_vbi_cap))
@@ -1759,6 +1745,9 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay))
break;
memset_after(p, 0, fmt.win);
+ p->fmt.win.clips = NULL;
+ p->fmt.win.clipcount = 0;
+ p->fmt.win.bitmap = NULL;
return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg);
case V4L2_BUF_TYPE_VBI_OUTPUT:
if (unlikely(!ops->vidioc_s_fmt_vbi_out))
@@ -1830,6 +1819,9 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_try_fmt_vid_overlay))
break;
memset_after(p, 0, fmt.win);
+ p->fmt.win.clips = NULL;
+ p->fmt.win.clipcount = 0;
+ p->fmt.win.bitmap = NULL;
return ops->vidioc_try_fmt_vid_overlay(file, fh, arg);
case V4L2_BUF_TYPE_VBI_CAPTURE:
if (unlikely(!ops->vidioc_try_fmt_vbi_cap))
@@ -1861,6 +1853,9 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay))
break;
memset_after(p, 0, fmt.win);
+ p->fmt.win.clips = NULL;
+ p->fmt.win.clipcount = 0;
+ p->fmt.win.bitmap = NULL;
return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg);
case V4L2_BUF_TYPE_VBI_OUTPUT:
if (unlikely(!ops->vidioc_try_fmt_vbi_out))
@@ -2074,6 +2069,15 @@ static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops,
return ops->vidioc_s_hw_freq_seek(file, fh, p);
}
+static int v4l_s_fbuf(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_framebuffer *p = arg;
+
+ p->base = NULL;
+ return ops->vidioc_s_fbuf(file, fh, p);
+}
+
static int v4l_overlay(const struct v4l2_ioctl_ops *ops,
struct file *file, void *fh, void *arg)
{
@@ -2793,7 +2797,6 @@ struct v4l2_ioctl_info {
}
DEFINE_V4L_STUB_FUNC(g_fbuf)
-DEFINE_V4L_STUB_FUNC(s_fbuf)
DEFINE_V4L_STUB_FUNC(expbuf)
DEFINE_V4L_STUB_FUNC(g_std)
DEFINE_V4L_STUB_FUNC(g_audio)
@@ -2827,7 +2830,7 @@ static const struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE),
IOCTL_INFO(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)),
IOCTL_INFO(VIDIOC_G_FBUF, v4l_stub_g_fbuf, v4l_print_framebuffer, 0),
- IOCTL_INFO(VIDIOC_S_FBUF, v4l_stub_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_S_FBUF, v4l_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE),
IOCTL_INFO(VIDIOC_EXPBUF, v4l_stub_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)),
@@ -3134,27 +3137,6 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
}
break;
}
- case VIDIOC_G_FMT:
- case VIDIOC_S_FMT:
- case VIDIOC_TRY_FMT: {
- struct v4l2_format *fmt = parg;
-
- if (fmt->type != V4L2_BUF_TYPE_VIDEO_OVERLAY &&
- fmt->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY)
- break;
- if (fmt->fmt.win.clipcount > 2048)
- return -EINVAL;
- if (!fmt->fmt.win.clipcount)
- break;
-
- *user_ptr = (void __user *)fmt->fmt.win.clips;
- *kernel_ptr = (void **)&fmt->fmt.win.clips;
- *array_size = sizeof(struct v4l2_clip)
- * fmt->fmt.win.clipcount;
-
- ret = 1;
- break;
- }
case VIDIOC_SUBDEV_G_ROUTING:
case VIDIOC_SUBDEV_S_ROUTING: {
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-10 11:46:52 +0300