diff options
Diffstat (limited to 'drivers/media/video/v4l2-ioctl.c')
-rw-r--r-- | drivers/media/video/v4l2-ioctl.c | 98 |
1 files changed, 91 insertions, 7 deletions
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 710e1a40c422..b063381f4b3b 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -8,7 +8,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * Authors: Alan Cox, <alan@redhat.com> (version 1) + * Authors: Alan Cox, <alan@lxorguk.ukuu.org.uk> (version 1) * Mauro Carvalho Chehab <mchehab@infradead.org> (version 2) */ @@ -393,10 +393,8 @@ video_fix_command(unsigned int cmd) * Obsolete usercopy function - Should be removed soon */ int -video_usercopy(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg, - int (*func)(struct inode *inode, struct file *file, - unsigned int cmd, void *arg)) +video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, + v4l2_kioctl func) { char sbuf[128]; void *mbuf = NULL; @@ -458,7 +456,7 @@ video_usercopy(struct inode *inode, struct file *file, } /* call driver */ - err = func(inode, file, cmd, parg); + err = func(file, cmd, parg); if (err == -ENOIOCTLCMD) err = -EINVAL; if (is_ext_ctrl) { @@ -1481,9 +1479,15 @@ static int __video_do_ioctl(struct file *file, case VIDIOC_G_CROP: { struct v4l2_crop *p = arg; + __u32 type; if (!ops->vidioc_g_crop) break; + + type = p->type; + memset(p, 0, sizeof(*p)); + p->type = type; + dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); ret = ops->vidioc_g_crop(file, fh, p); if (!ret) @@ -1504,10 +1508,16 @@ static int __video_do_ioctl(struct file *file, case VIDIOC_CROPCAP: { struct v4l2_cropcap *p = arg; + __u32 type; /*FIXME: Should also show v4l2_fract pixelaspect */ if (!ops->vidioc_cropcap) break; + + type = p->type; + memset(p, 0, sizeof(*p)); + p->type = type; + dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); ret = ops->vidioc_cropcap(file, fh, p); if (!ret) { @@ -1522,6 +1532,9 @@ static int __video_do_ioctl(struct file *file, if (!ops->vidioc_g_jpegcomp) break; + + memset(p, 0, sizeof(*p)); + ret = ops->vidioc_g_jpegcomp(file, fh, p); if (!ret) dbgarg(cmd, "quality=%d, APPn=%d, " @@ -1749,6 +1762,77 @@ static int __video_do_ioctl(struct file *file, ret = ops->vidioc_s_hw_freq_seek(file, fh, p); break; } + case VIDIOC_ENUM_FRAMESIZES: + { + struct v4l2_frmsizeenum *p = arg; + + if (!ops->vidioc_enum_framesizes) + break; + + memset(p, 0, sizeof(*p)); + + ret = ops->vidioc_enum_framesizes(file, fh, p); + dbgarg(cmd, + "index=%d, pixelformat=%d, type=%d ", + p->index, p->pixel_format, p->type); + switch (p->type) { + case V4L2_FRMSIZE_TYPE_DISCRETE: + dbgarg2("width = %d, height=%d\n", + p->discrete.width, p->discrete.height); + break; + case V4L2_FRMSIZE_TYPE_STEPWISE: + dbgarg2("min %dx%d, max %dx%d, step %dx%d\n", + p->stepwise.min_width, p->stepwise.min_height, + p->stepwise.step_width, p->stepwise.step_height, + p->stepwise.max_width, p->stepwise.max_height); + break; + case V4L2_FRMSIZE_TYPE_CONTINUOUS: + dbgarg2("continuous\n"); + break; + default: + dbgarg2("- Unknown type!\n"); + } + + break; + } + case VIDIOC_ENUM_FRAMEINTERVALS: + { + struct v4l2_frmivalenum *p = arg; + + if (!ops->vidioc_enum_frameintervals) + break; + + memset(p, 0, sizeof(*p)); + + ret = ops->vidioc_enum_frameintervals(file, fh, p); + dbgarg(cmd, + "index=%d, pixelformat=%d, width=%d, height=%d, type=%d ", + p->index, p->pixel_format, + p->width, p->height, p->type); + switch (p->type) { + case V4L2_FRMIVAL_TYPE_DISCRETE: + dbgarg2("fps=%d/%d\n", + p->discrete.numerator, + p->discrete.denominator); + break; + case V4L2_FRMIVAL_TYPE_STEPWISE: + dbgarg2("min=%d/%d, max=%d/%d, step=%d/%d\n", + p->stepwise.min.numerator, + p->stepwise.min.denominator, + p->stepwise.max.numerator, + p->stepwise.max.denominator, + p->stepwise.step.numerator, + p->stepwise.step.denominator); + break; + case V4L2_FRMIVAL_TYPE_CONTINUOUS: + dbgarg2("continuous\n"); + break; + default: + dbgarg2("- Unknown type!\n"); + } + break; + } + default: { if (!ops->vidioc_default) @@ -1768,7 +1852,7 @@ static int __video_do_ioctl(struct file *file, return ret; } -int __video_ioctl2(struct file *file, +long __video_ioctl2(struct file *file, unsigned int cmd, unsigned long arg) { char sbuf[128]; |