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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.c74
1 files changed, 53 insertions, 21 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index b1f4b991dba6..51b912743f0f 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1057,14 +1057,19 @@ static int v4l_querycap(const struct v4l2_ioctl_ops *ops,
ret = ops->vidioc_querycap(file, fh, cap);
- cap->capabilities |= V4L2_CAP_EXT_PIX_FORMAT;
/*
- * Drivers MUST fill in device_caps, so check for this and
- * warn if it was forgotten.
+ * Drivers must not change device_caps, so check for this and
+ * warn if this happened.
+ */
+ WARN_ON(cap->device_caps != vfd->device_caps);
+ /*
+ * Check that capabilities is a superset of
+ * vfd->device_caps | V4L2_CAP_DEVICE_CAPS
*/
- WARN(!(cap->capabilities & V4L2_CAP_DEVICE_CAPS) ||
- !cap->device_caps, "Bad caps for driver %s, %x %x",
- cap->driver, cap->capabilities, cap->device_caps);
+ WARN_ON((cap->capabilities &
+ (vfd->device_caps | V4L2_CAP_DEVICE_CAPS)) !=
+ (vfd->device_caps | V4L2_CAP_DEVICE_CAPS));
+ cap->capabilities |= V4L2_CAP_EXT_PIX_FORMAT;
cap->device_caps |= V4L2_CAP_EXT_PIX_FORMAT;
return ret;
@@ -1169,9 +1174,21 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_RGB444: descr = "16-bit A/XRGB 4-4-4-4"; break;
case V4L2_PIX_FMT_ARGB444: descr = "16-bit ARGB 4-4-4-4"; break;
case V4L2_PIX_FMT_XRGB444: descr = "16-bit XRGB 4-4-4-4"; break;
+ case V4L2_PIX_FMT_RGBA444: descr = "16-bit RGBA 4-4-4-4"; break;
+ case V4L2_PIX_FMT_RGBX444: descr = "16-bit RGBX 4-4-4-4"; break;
+ case V4L2_PIX_FMT_ABGR444: descr = "16-bit ABGR 4-4-4-4"; break;
+ case V4L2_PIX_FMT_XBGR444: descr = "16-bit XBGR 4-4-4-4"; break;
+ case V4L2_PIX_FMT_BGRA444: descr = "16-bit BGRA 4-4-4-4"; break;
+ case V4L2_PIX_FMT_BGRX444: descr = "16-bit BGRX 4-4-4-4"; break;
case V4L2_PIX_FMT_RGB555: descr = "16-bit A/XRGB 1-5-5-5"; break;
case V4L2_PIX_FMT_ARGB555: descr = "16-bit ARGB 1-5-5-5"; break;
case V4L2_PIX_FMT_XRGB555: descr = "16-bit XRGB 1-5-5-5"; break;
+ case V4L2_PIX_FMT_ABGR555: descr = "16-bit ABGR 1-5-5-5"; break;
+ case V4L2_PIX_FMT_XBGR555: descr = "16-bit XBGR 1-5-5-5"; break;
+ case V4L2_PIX_FMT_RGBA555: descr = "16-bit RGBA 5-5-5-1"; break;
+ case V4L2_PIX_FMT_RGBX555: descr = "16-bit RGBX 5-5-5-1"; break;
+ case V4L2_PIX_FMT_BGRA555: descr = "16-bit BGRA 5-5-5-1"; break;
+ case V4L2_PIX_FMT_BGRX555: descr = "16-bit BGRX 5-5-5-1"; break;
case V4L2_PIX_FMT_RGB565: descr = "16-bit RGB 5-6-5"; break;
case V4L2_PIX_FMT_RGB555X: descr = "16-bit A/XRGB 1-5-5-5 BE"; break;
case V4L2_PIX_FMT_ARGB555X: descr = "16-bit ARGB 1-5-5-5 BE"; break;
@@ -1186,6 +1203,10 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_RGB32: descr = "32-bit A/XRGB 8-8-8-8"; break;
case V4L2_PIX_FMT_ARGB32: descr = "32-bit ARGB 8-8-8-8"; break;
case V4L2_PIX_FMT_XRGB32: descr = "32-bit XRGB 8-8-8-8"; break;
+ case V4L2_PIX_FMT_BGRA32: descr = "32-bit ABGR 8-8-8-8"; break;
+ case V4L2_PIX_FMT_BGRX32: descr = "32-bit XBGR 8-8-8-8"; break;
+ case V4L2_PIX_FMT_RGBA32: descr = "32-bit RGBA 8-8-8-8"; break;
+ case V4L2_PIX_FMT_RGBX32: descr = "32-bit RGBX 8-8-8-8"; 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;
@@ -1301,13 +1322,14 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_SDR_FMT_PCU16BE: descr = "Planar Complex U16BE"; break;
case V4L2_SDR_FMT_PCU18BE: descr = "Planar Complex U18BE"; break;
case V4L2_SDR_FMT_PCU20BE: descr = "Planar Complex U20BE"; break;
- case V4L2_TCH_FMT_DELTA_TD16: descr = "16-bit signed deltas"; break;
- case V4L2_TCH_FMT_DELTA_TD08: descr = "8-bit signed deltas"; break;
- case V4L2_TCH_FMT_TU16: descr = "16-bit unsigned touch data"; break;
- case V4L2_TCH_FMT_TU08: descr = "8-bit unsigned touch data"; break;
+ case V4L2_TCH_FMT_DELTA_TD16: descr = "16-bit Signed Deltas"; break;
+ case V4L2_TCH_FMT_DELTA_TD08: descr = "8-bit Signed Deltas"; break;
+ case V4L2_TCH_FMT_TU16: descr = "16-bit Unsigned Touch Data"; break;
+ case V4L2_TCH_FMT_TU08: descr = "8-bit Unsigned Touch Data"; break;
case V4L2_META_FMT_VSP1_HGO: descr = "R-Car VSP1 1-D Histogram"; break;
case V4L2_META_FMT_VSP1_HGT: descr = "R-Car VSP1 2-D Histogram"; break;
- case V4L2_META_FMT_UVC: descr = "UVC payload header metadata"; break;
+ case V4L2_META_FMT_UVC: descr = "UVC Payload Header Metadata"; break;
+ case V4L2_META_FMT_D4XX: descr = "Intel D4xx UVC Metadata"; break;
default:
/* Compressed formats */
@@ -1321,16 +1343,17 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_H264: descr = "H.264"; break;
case V4L2_PIX_FMT_H264_NO_SC: descr = "H.264 (No Start Codes)"; break;
case V4L2_PIX_FMT_H264_MVC: descr = "H.264 MVC"; break;
- case V4L2_PIX_FMT_H264_SLICE_RAW: descr = "H.264 Parsed Slice Data"; break;
+ case V4L2_PIX_FMT_H264_SLICE: descr = "H.264 Parsed Slice Data"; break;
case V4L2_PIX_FMT_H263: descr = "H.263"; break;
case V4L2_PIX_FMT_MPEG1: descr = "MPEG-1 ES"; break;
case V4L2_PIX_FMT_MPEG2: descr = "MPEG-2 ES"; break;
case V4L2_PIX_FMT_MPEG2_SLICE: descr = "MPEG-2 Parsed Slice Data"; break;
- case V4L2_PIX_FMT_MPEG4: descr = "MPEG-4 part 2 ES"; break;
+ case V4L2_PIX_FMT_MPEG4: descr = "MPEG-4 Part 2 ES"; break;
case V4L2_PIX_FMT_XVID: descr = "Xvid"; break;
case V4L2_PIX_FMT_VC1_ANNEX_G: descr = "VC-1 (SMPTE 412M Annex G)"; break;
case V4L2_PIX_FMT_VC1_ANNEX_L: descr = "VC-1 (SMPTE 412M Annex L)"; break;
case V4L2_PIX_FMT_VP8: descr = "VP8"; break;
+ case V4L2_PIX_FMT_VP8_FRAME: descr = "VP8 Frame"; break;
case V4L2_PIX_FMT_VP9: descr = "VP9"; break;
case V4L2_PIX_FMT_HEVC: descr = "HEVC"; break; /* aka H.265 */
case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */
@@ -1365,14 +1388,14 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
(char)((fmt->pixelformat >> 8) & 0x7f),
(char)((fmt->pixelformat >> 16) & 0x7f),
(char)((fmt->pixelformat >> 24) & 0x7f),
- (fmt->pixelformat & (1 << 31)) ? "-BE" : "");
+ (fmt->pixelformat & (1UL << 31)) ? "-BE" : "");
break;
}
}
if (descr)
WARN_ON(strscpy(fmt->description, descr, sz) < 0);
- fmt->flags = flags;
+ fmt->flags |= flags;
}
static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
@@ -1645,6 +1668,7 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
struct file *file, void *fh, void *arg)
{
struct v4l2_format *p = arg;
+ struct video_device *vfd = video_devdata(file);
int ret = check_fmt(file, p->type);
unsigned int i;
@@ -1661,6 +1685,8 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
ret = ops->vidioc_try_fmt_vid_cap(file, fh, arg);
/* just in case the driver zeroed it again */
p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
+ if (vfd->vfl_type == VFL_TYPE_TOUCH)
+ v4l_pix_format_touch(&p->fmt.pix);
return ret;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane))
@@ -2165,9 +2191,11 @@ static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops,
p->error_idx = p->count;
if (vfh && vfh->ctrl_handler)
- return v4l2_g_ext_ctrls(vfh->ctrl_handler, vfd->v4l2_dev->mdev, p);
+ return v4l2_g_ext_ctrls(vfh->ctrl_handler,
+ vfd, vfd->v4l2_dev->mdev, p);
if (vfd->ctrl_handler)
- return v4l2_g_ext_ctrls(vfd->ctrl_handler, vfd->v4l2_dev->mdev, p);
+ return v4l2_g_ext_ctrls(vfd->ctrl_handler,
+ vfd, vfd->v4l2_dev->mdev, p);
if (ops->vidioc_g_ext_ctrls == NULL)
return -ENOTTY;
return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) :
@@ -2184,9 +2212,11 @@ static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops,
p->error_idx = p->count;
if (vfh && vfh->ctrl_handler)
- return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, vfd->v4l2_dev->mdev, p);
+ return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler,
+ vfd, vfd->v4l2_dev->mdev, p);
if (vfd->ctrl_handler)
- return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, vfd->v4l2_dev->mdev, p);
+ return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler,
+ vfd, vfd->v4l2_dev->mdev, p);
if (ops->vidioc_s_ext_ctrls == NULL)
return -ENOTTY;
return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) :
@@ -2203,9 +2233,11 @@ static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops,
p->error_idx = p->count;
if (vfh && vfh->ctrl_handler)
- return v4l2_try_ext_ctrls(vfh->ctrl_handler, vfd->v4l2_dev->mdev, p);
+ return v4l2_try_ext_ctrls(vfh->ctrl_handler,
+ vfd, vfd->v4l2_dev->mdev, p);
if (vfd->ctrl_handler)
- return v4l2_try_ext_ctrls(vfd->ctrl_handler, vfd->v4l2_dev->mdev, p);
+ return v4l2_try_ext_ctrls(vfd->ctrl_handler,
+ vfd, vfd->v4l2_dev->mdev, p);
if (ops->vidioc_try_ext_ctrls == NULL)
return -ENOTTY;
return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) :
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.