[media] v4l2-ioctl.c: use the new table for control ioctls
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
eb3728edf1
commit
efbceecd45
@ -512,6 +512,49 @@ static void v4l_print_streamparm(const void *arg, bool write_only)
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}
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}
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static void v4l_print_queryctrl(const void *arg, bool write_only)
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{
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const struct v4l2_queryctrl *p = arg;
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pr_cont("id=0x%x, type=%d, name=%s, min/max=%d/%d, "
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"step=%d, default=%d, flags=0x%08x\n",
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p->id, p->type, p->name,
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p->minimum, p->maximum,
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p->step, p->default_value, p->flags);
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}
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static void v4l_print_querymenu(const void *arg, bool write_only)
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{
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const struct v4l2_querymenu *p = arg;
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pr_cont("id=0x%x, index=%d\n", p->id, p->index);
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}
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static void v4l_print_control(const void *arg, bool write_only)
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{
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const struct v4l2_control *p = arg;
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pr_cont("id=0x%x, value=%d\n", p->id, p->value);
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}
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static void v4l_print_ext_controls(const void *arg, bool write_only)
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{
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const struct v4l2_ext_controls *p = arg;
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int i;
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pr_cont("class=0x%x, count=%d, error_idx=%d",
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p->ctrl_class, p->count, p->error_idx);
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for (i = 0; i < p->count; i++) {
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if (p->controls[i].size)
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pr_cont(", id/val=0x%x/0x%x",
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p->controls[i].id, p->controls[i].value);
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else
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pr_cont(", id/size=0x%x/%u",
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p->controls[i].id, p->controls[i].size);
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}
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pr_cont("\n");
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}
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static void v4l_print_u32(const void *arg, bool write_only)
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{
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pr_cont("value=%u\n", *(const u32 *)arg);
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@ -552,27 +595,7 @@ static void dbgtimings(struct video_device *vfd,
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}
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}
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static inline void v4l_print_ext_ctrls(unsigned int cmd,
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struct video_device *vfd, struct v4l2_ext_controls *c, int show_vals)
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{
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__u32 i;
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if (!(vfd->debug & V4L2_DEBUG_IOCTL_ARG))
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return;
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dbgarg(cmd, "");
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printk(KERN_CONT "class=0x%x", c->ctrl_class);
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for (i = 0; i < c->count; i++) {
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if (show_vals && !c->controls[i].size)
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printk(KERN_CONT " id/val=0x%x/0x%x",
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c->controls[i].id, c->controls[i].value);
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else
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printk(KERN_CONT " id=0x%x,size=%u",
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c->controls[i].id, c->controls[i].size);
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}
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printk(KERN_CONT "\n");
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};
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static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
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static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
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{
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__u32 i;
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@ -1213,6 +1236,153 @@ static int v4l_s_parm(const struct v4l2_ioctl_ops *ops,
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return ret ? ret : ops->vidioc_s_parm(file, fh, p);
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}
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static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops,
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struct file *file, void *fh, void *arg)
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{
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struct video_device *vfd = video_devdata(file);
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struct v4l2_queryctrl *p = arg;
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struct v4l2_fh *vfh = fh;
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if (vfh && vfh->ctrl_handler)
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return v4l2_queryctrl(vfh->ctrl_handler, p);
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if (vfd->ctrl_handler)
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return v4l2_queryctrl(vfd->ctrl_handler, p);
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if (ops->vidioc_queryctrl)
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return ops->vidioc_queryctrl(file, fh, p);
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return -ENOTTY;
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}
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static int v4l_querymenu(const struct v4l2_ioctl_ops *ops,
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struct file *file, void *fh, void *arg)
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{
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struct video_device *vfd = video_devdata(file);
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struct v4l2_querymenu *p = arg;
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struct v4l2_fh *vfh = fh;
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if (vfh && vfh->ctrl_handler)
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return v4l2_querymenu(vfh->ctrl_handler, p);
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if (vfd->ctrl_handler)
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return v4l2_querymenu(vfd->ctrl_handler, p);
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if (ops->vidioc_querymenu)
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return ops->vidioc_querymenu(file, fh, p);
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return -ENOTTY;
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}
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static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops,
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struct file *file, void *fh, void *arg)
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{
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struct video_device *vfd = video_devdata(file);
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struct v4l2_control *p = arg;
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struct v4l2_fh *vfh = fh;
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struct v4l2_ext_controls ctrls;
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struct v4l2_ext_control ctrl;
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if (vfh && vfh->ctrl_handler)
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return v4l2_g_ctrl(vfh->ctrl_handler, p);
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if (vfd->ctrl_handler)
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return v4l2_g_ctrl(vfd->ctrl_handler, p);
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if (ops->vidioc_g_ctrl)
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return ops->vidioc_g_ctrl(file, fh, p);
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if (ops->vidioc_g_ext_ctrls == NULL)
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return -ENOTTY;
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ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
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ctrls.count = 1;
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ctrls.controls = &ctrl;
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ctrl.id = p->id;
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ctrl.value = p->value;
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if (check_ext_ctrls(&ctrls, 1)) {
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int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls);
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if (ret == 0)
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p->value = ctrl.value;
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return ret;
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}
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return -EINVAL;
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}
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static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops,
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struct file *file, void *fh, void *arg)
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{
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struct video_device *vfd = video_devdata(file);
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struct v4l2_control *p = arg;
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struct v4l2_fh *vfh = fh;
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struct v4l2_ext_controls ctrls;
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struct v4l2_ext_control ctrl;
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if (vfh && vfh->ctrl_handler)
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return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p);
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if (vfd->ctrl_handler)
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return v4l2_s_ctrl(NULL, vfd->ctrl_handler, p);
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if (ops->vidioc_s_ctrl)
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return ops->vidioc_s_ctrl(file, fh, p);
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if (ops->vidioc_s_ext_ctrls == NULL)
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return -ENOTTY;
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ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
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ctrls.count = 1;
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ctrls.controls = &ctrl;
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ctrl.id = p->id;
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ctrl.value = p->value;
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if (check_ext_ctrls(&ctrls, 1))
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return ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
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return -EINVAL;
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}
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static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops,
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struct file *file, void *fh, void *arg)
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{
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struct video_device *vfd = video_devdata(file);
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struct v4l2_ext_controls *p = arg;
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struct v4l2_fh *vfh = fh;
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p->error_idx = p->count;
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if (vfh && vfh->ctrl_handler)
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return v4l2_g_ext_ctrls(vfh->ctrl_handler, p);
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if (vfd->ctrl_handler)
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return v4l2_g_ext_ctrls(vfd->ctrl_handler, p);
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if (ops->vidioc_g_ext_ctrls == NULL)
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return -ENOTTY;
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return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) :
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-EINVAL;
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}
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static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops,
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struct file *file, void *fh, void *arg)
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{
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struct video_device *vfd = video_devdata(file);
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struct v4l2_ext_controls *p = arg;
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struct v4l2_fh *vfh = fh;
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p->error_idx = p->count;
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if (vfh && vfh->ctrl_handler)
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return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p);
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if (vfd->ctrl_handler)
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return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p);
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if (ops->vidioc_s_ext_ctrls == NULL)
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return -ENOTTY;
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return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) :
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-EINVAL;
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}
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static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops,
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struct file *file, void *fh, void *arg)
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{
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struct video_device *vfd = video_devdata(file);
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struct v4l2_ext_controls *p = arg;
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struct v4l2_fh *vfh = fh;
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p->error_idx = p->count;
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if (vfh && vfh->ctrl_handler)
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return v4l2_try_ext_ctrls(vfh->ctrl_handler, p);
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if (vfd->ctrl_handler)
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return v4l2_try_ext_ctrls(vfd->ctrl_handler, p);
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if (ops->vidioc_try_ext_ctrls == NULL)
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return -ENOTTY;
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return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) :
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-EINVAL;
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}
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struct v4l2_ioctl_info {
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unsigned int ioctl;
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u32 flags;
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@ -1283,14 +1453,14 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
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IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO),
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IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)),
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IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)),
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IOCTL_INFO(VIDIOC_G_CTRL, INFO_FL_CTRL),
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IOCTL_INFO(VIDIOC_S_CTRL, INFO_FL_PRIO | INFO_FL_CTRL),
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IOCTL_INFO_FNC(VIDIOC_G_CTRL, v4l_g_ctrl, v4l_print_control, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_control, id)),
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IOCTL_INFO_FNC(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL),
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IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)),
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IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO),
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IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0),
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IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO),
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IOCTL_INFO(VIDIOC_QUERYCTRL, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)),
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IOCTL_INFO(VIDIOC_QUERYMENU, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)),
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IOCTL_INFO_FNC(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)),
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IOCTL_INFO_FNC(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)),
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IOCTL_INFO_STD(VIDIOC_G_INPUT, vidioc_g_input, v4l_print_u32, 0),
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IOCTL_INFO_FNC(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO),
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IOCTL_INFO_STD(VIDIOC_G_OUTPUT, vidioc_g_output, v4l_print_u32, 0),
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@ -1317,9 +1487,9 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
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IOCTL_INFO_FNC(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO),
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IOCTL_INFO(VIDIOC_G_SLICED_VBI_CAP, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)),
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IOCTL_INFO(VIDIOC_LOG_STATUS, 0),
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IOCTL_INFO(VIDIOC_G_EXT_CTRLS, INFO_FL_CTRL),
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IOCTL_INFO(VIDIOC_S_EXT_CTRLS, INFO_FL_PRIO | INFO_FL_CTRL),
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IOCTL_INFO(VIDIOC_TRY_EXT_CTRLS, 0),
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IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL),
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IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL),
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IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, 0),
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IOCTL_INFO(VIDIOC_ENUM_FRAMESIZES, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)),
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IOCTL_INFO(VIDIOC_ENUM_FRAMEINTERVALS, INFO_FL_CLEAR(v4l2_frmivalenum, height)),
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IOCTL_INFO(VIDIOC_G_ENC_INDEX, 0),
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@ -1451,175 +1621,6 @@ static long __video_do_ioctl(struct file *file,
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}
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switch (cmd) {
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/* --- controls ---------------------------------------------- */
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case VIDIOC_QUERYCTRL:
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{
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struct v4l2_queryctrl *p = arg;
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if (vfh && vfh->ctrl_handler)
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ret = v4l2_queryctrl(vfh->ctrl_handler, p);
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else if (vfd->ctrl_handler)
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ret = v4l2_queryctrl(vfd->ctrl_handler, p);
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else if (ops->vidioc_queryctrl)
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ret = ops->vidioc_queryctrl(file, fh, p);
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else
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break;
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if (!ret)
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dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, "
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"step=%d, default=%d, flags=0x%08x\n",
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p->id, p->type, p->name,
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p->minimum, p->maximum,
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p->step, p->default_value, p->flags);
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else
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dbgarg(cmd, "id=0x%x\n", p->id);
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break;
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}
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case VIDIOC_G_CTRL:
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{
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struct v4l2_control *p = arg;
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if (vfh && vfh->ctrl_handler)
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ret = v4l2_g_ctrl(vfh->ctrl_handler, p);
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else if (vfd->ctrl_handler)
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ret = v4l2_g_ctrl(vfd->ctrl_handler, p);
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else if (ops->vidioc_g_ctrl)
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ret = ops->vidioc_g_ctrl(file, fh, p);
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else if (ops->vidioc_g_ext_ctrls) {
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struct v4l2_ext_controls ctrls;
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struct v4l2_ext_control ctrl;
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ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
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ctrls.count = 1;
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ctrls.controls = &ctrl;
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ctrl.id = p->id;
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ctrl.value = p->value;
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if (check_ext_ctrls(&ctrls, 1)) {
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ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls);
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if (ret == 0)
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p->value = ctrl.value;
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}
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} else
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break;
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if (!ret)
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dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value);
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else
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dbgarg(cmd, "id=0x%x\n", p->id);
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break;
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}
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case VIDIOC_S_CTRL:
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{
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struct v4l2_control *p = arg;
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struct v4l2_ext_controls ctrls;
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struct v4l2_ext_control ctrl;
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if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
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!ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls)
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break;
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dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value);
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if (vfh && vfh->ctrl_handler) {
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ret = v4l2_s_ctrl(vfh, vfh->ctrl_handler, p);
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break;
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}
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if (vfd->ctrl_handler) {
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ret = v4l2_s_ctrl(NULL, vfd->ctrl_handler, p);
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break;
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}
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if (ops->vidioc_s_ctrl) {
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ret = ops->vidioc_s_ctrl(file, fh, p);
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break;
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}
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if (!ops->vidioc_s_ext_ctrls)
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break;
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ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
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ctrls.count = 1;
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ctrls.controls = &ctrl;
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ctrl.id = p->id;
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ctrl.value = p->value;
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if (check_ext_ctrls(&ctrls, 1))
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ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
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else
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ret = -EINVAL;
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break;
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}
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case VIDIOC_G_EXT_CTRLS:
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{
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struct v4l2_ext_controls *p = arg;
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p->error_idx = p->count;
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if (vfh && vfh->ctrl_handler)
|
||||
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)
|
||||
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);
|
||||
break;
|
||||
}
|
||||
case VIDIOC_S_EXT_CTRLS:
|
||||
{
|
||||
struct v4l2_ext_controls *p = arg;
|
||||
|
||||
p->error_idx = p->count;
|
||||
if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
|
||||
!ops->vidioc_s_ext_ctrls)
|
||||
break;
|
||||
v4l_print_ext_ctrls(cmd, vfd, p, 1);
|
||||
if (vfh && vfh->ctrl_handler)
|
||||
ret = v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p);
|
||||
else if (vfd->ctrl_handler)
|
||||
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:
|
||||
{
|
||||
struct v4l2_ext_controls *p = arg;
|
||||
|
||||
p->error_idx = p->count;
|
||||
if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
|
||||
!ops->vidioc_try_ext_ctrls)
|
||||
break;
|
||||
v4l_print_ext_ctrls(cmd, vfd, p, 1);
|
||||
if (vfh && vfh->ctrl_handler)
|
||||
ret = v4l2_try_ext_ctrls(vfh->ctrl_handler, p);
|
||||
else if (vfd->ctrl_handler)
|
||||
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:
|
||||
{
|
||||
struct v4l2_querymenu *p = arg;
|
||||
|
||||
if (vfh && vfh->ctrl_handler)
|
||||
ret = v4l2_querymenu(vfh->ctrl_handler, p);
|
||||
else if (vfd->ctrl_handler)
|
||||
ret = v4l2_querymenu(vfd->ctrl_handler, p);
|
||||
else if (ops->vidioc_querymenu)
|
||||
ret = ops->vidioc_querymenu(file, fh, p);
|
||||
else
|
||||
break;
|
||||
if (!ret)
|
||||
dbgarg(cmd, "id=0x%x, index=%d, name=%s\n",
|
||||
p->id, p->index, p->name);
|
||||
else
|
||||
dbgarg(cmd, "id=0x%x, index=%d\n",
|
||||
p->id, p->index);
|
||||
break;
|
||||
}
|
||||
case VIDIOC_G_CROP:
|
||||
{
|
||||
struct v4l2_crop *p = arg;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user