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[media] v4l: Introduce integer menu controls
Create a new control type called V4L2_CTRL_TYPE_INTEGER_MENU. Integer menu controls are just like menu controls but the menu items are 64-bit integers rather than strings. Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -852,7 +852,8 @@ static void fill_event(struct v4l2_event *ev, struct v4l2_ctrl *ctrl, u32 change
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ev->u.ctrl.value64 = ctrl->cur.val64;
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ev->u.ctrl.minimum = ctrl->minimum;
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ev->u.ctrl.maximum = ctrl->maximum;
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if (ctrl->type == V4L2_CTRL_TYPE_MENU)
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if (ctrl->type == V4L2_CTRL_TYPE_MENU
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|| ctrl->type == V4L2_CTRL_TYPE_INTEGER_MENU)
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ev->u.ctrl.step = 1;
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else
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ev->u.ctrl.step = ctrl->step;
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@ -1083,10 +1084,13 @@ static int validate_new_int(const struct v4l2_ctrl *ctrl, s32 *pval)
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return 0;
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case V4L2_CTRL_TYPE_MENU:
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case V4L2_CTRL_TYPE_INTEGER_MENU:
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if (val < ctrl->minimum || val > ctrl->maximum)
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return -ERANGE;
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if (ctrl->qmenu[val][0] == '\0' ||
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(ctrl->menu_skip_mask & (1 << val)))
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if (ctrl->menu_skip_mask & (1 << val))
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return -EINVAL;
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if (ctrl->type == V4L2_CTRL_TYPE_MENU &&
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ctrl->qmenu[val][0] == '\0')
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return -EINVAL;
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return 0;
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@ -1114,6 +1118,7 @@ static int validate_new(const struct v4l2_ctrl *ctrl, struct v4l2_ext_control *c
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case V4L2_CTRL_TYPE_INTEGER:
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case V4L2_CTRL_TYPE_BOOLEAN:
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case V4L2_CTRL_TYPE_MENU:
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case V4L2_CTRL_TYPE_INTEGER_MENU:
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case V4L2_CTRL_TYPE_BITMASK:
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case V4L2_CTRL_TYPE_BUTTON:
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case V4L2_CTRL_TYPE_CTRL_CLASS:
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@ -1343,7 +1348,8 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
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const struct v4l2_ctrl_ops *ops,
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u32 id, const char *name, enum v4l2_ctrl_type type,
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s32 min, s32 max, u32 step, s32 def,
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u32 flags, const char * const *qmenu, void *priv)
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u32 flags, const char * const *qmenu,
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const s64 *qmenu_int, void *priv)
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{
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struct v4l2_ctrl *ctrl;
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unsigned sz_extra = 0;
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@ -1356,6 +1362,7 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
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(type == V4L2_CTRL_TYPE_INTEGER && step == 0) ||
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(type == V4L2_CTRL_TYPE_BITMASK && max == 0) ||
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(type == V4L2_CTRL_TYPE_MENU && qmenu == NULL) ||
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(type == V4L2_CTRL_TYPE_INTEGER_MENU && qmenu_int == NULL) ||
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(type == V4L2_CTRL_TYPE_STRING && max == 0)) {
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handler_set_err(hdl, -ERANGE);
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return NULL;
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@ -1366,6 +1373,7 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
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}
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if ((type == V4L2_CTRL_TYPE_INTEGER ||
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type == V4L2_CTRL_TYPE_MENU ||
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type == V4L2_CTRL_TYPE_INTEGER_MENU ||
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type == V4L2_CTRL_TYPE_BOOLEAN) &&
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(def < min || def > max)) {
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handler_set_err(hdl, -ERANGE);
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@ -1400,7 +1408,10 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
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ctrl->minimum = min;
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ctrl->maximum = max;
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ctrl->step = step;
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ctrl->qmenu = qmenu;
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if (type == V4L2_CTRL_TYPE_MENU)
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ctrl->qmenu = qmenu;
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else if (type == V4L2_CTRL_TYPE_INTEGER_MENU)
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ctrl->qmenu_int = qmenu_int;
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ctrl->priv = priv;
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ctrl->cur.val = ctrl->val = ctrl->default_value = def;
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@ -1427,6 +1438,7 @@ struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl,
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struct v4l2_ctrl *ctrl;
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const char *name = cfg->name;
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const char * const *qmenu = cfg->qmenu;
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const s64 *qmenu_int = cfg->qmenu_int;
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enum v4l2_ctrl_type type = cfg->type;
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u32 flags = cfg->flags;
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s32 min = cfg->min;
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@ -1438,18 +1450,24 @@ struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl,
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v4l2_ctrl_fill(cfg->id, &name, &type, &min, &max, &step,
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&def, &flags);
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is_menu = (cfg->type == V4L2_CTRL_TYPE_MENU);
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is_menu = (cfg->type == V4L2_CTRL_TYPE_MENU ||
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cfg->type == V4L2_CTRL_TYPE_INTEGER_MENU);
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if (is_menu)
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WARN_ON(step);
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else
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WARN_ON(cfg->menu_skip_mask);
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if (is_menu && qmenu == NULL)
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if (cfg->type == V4L2_CTRL_TYPE_MENU && qmenu == NULL)
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qmenu = v4l2_ctrl_get_menu(cfg->id);
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else if (cfg->type == V4L2_CTRL_TYPE_INTEGER_MENU &&
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qmenu_int == NULL) {
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handler_set_err(hdl, -EINVAL);
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return NULL;
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}
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ctrl = v4l2_ctrl_new(hdl, cfg->ops, cfg->id, name,
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type, min, max,
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is_menu ? cfg->menu_skip_mask : step,
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def, flags, qmenu, priv);
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def, flags, qmenu, qmenu_int, priv);
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if (ctrl)
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ctrl->is_private = cfg->is_private;
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return ctrl;
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@ -1466,12 +1484,13 @@ struct v4l2_ctrl *v4l2_ctrl_new_std(struct v4l2_ctrl_handler *hdl,
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u32 flags;
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v4l2_ctrl_fill(id, &name, &type, &min, &max, &step, &def, &flags);
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if (type == V4L2_CTRL_TYPE_MENU) {
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if (type == V4L2_CTRL_TYPE_MENU
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|| type == V4L2_CTRL_TYPE_INTEGER_MENU) {
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handler_set_err(hdl, -EINVAL);
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return NULL;
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}
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return v4l2_ctrl_new(hdl, ops, id, name, type,
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min, max, step, def, flags, NULL, NULL);
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min, max, step, def, flags, NULL, NULL, NULL);
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}
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EXPORT_SYMBOL(v4l2_ctrl_new_std);
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@ -1493,7 +1512,7 @@ struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl,
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return NULL;
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}
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return v4l2_ctrl_new(hdl, ops, id, name, type,
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0, max, mask, def, flags, qmenu, NULL);
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0, max, mask, def, flags, qmenu, NULL, NULL);
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}
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EXPORT_SYMBOL(v4l2_ctrl_new_std_menu);
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@ -1659,6 +1678,9 @@ static void log_ctrl(const struct v4l2_ctrl *ctrl,
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case V4L2_CTRL_TYPE_MENU:
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printk(KERN_CONT "%s", ctrl->qmenu[ctrl->cur.val]);
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break;
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case V4L2_CTRL_TYPE_INTEGER_MENU:
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printk(KERN_CONT "%lld", ctrl->qmenu_int[ctrl->cur.val]);
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break;
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case V4L2_CTRL_TYPE_BITMASK:
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printk(KERN_CONT "0x%08x", ctrl->cur.val);
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break;
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@ -1795,7 +1817,8 @@ int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc)
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qc->minimum = ctrl->minimum;
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qc->maximum = ctrl->maximum;
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qc->default_value = ctrl->default_value;
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if (ctrl->type == V4L2_CTRL_TYPE_MENU)
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if (ctrl->type == V4L2_CTRL_TYPE_MENU
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|| ctrl->type == V4L2_CTRL_TYPE_INTEGER_MENU)
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qc->step = 1;
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else
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qc->step = ctrl->step;
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@ -1825,16 +1848,33 @@ int v4l2_querymenu(struct v4l2_ctrl_handler *hdl, struct v4l2_querymenu *qm)
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qm->reserved = 0;
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/* Sanity checks */
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if (ctrl->qmenu == NULL ||
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i < ctrl->minimum || i > ctrl->maximum)
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switch (ctrl->type) {
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case V4L2_CTRL_TYPE_MENU:
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if (ctrl->qmenu == NULL)
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return -EINVAL;
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break;
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case V4L2_CTRL_TYPE_INTEGER_MENU:
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if (ctrl->qmenu_int == NULL)
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return -EINVAL;
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break;
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default:
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return -EINVAL;
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}
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if (i < ctrl->minimum || i > ctrl->maximum)
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return -EINVAL;
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/* Use mask to see if this menu item should be skipped */
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if (ctrl->menu_skip_mask & (1 << i))
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return -EINVAL;
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/* Empty menu items should also be skipped */
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if (ctrl->qmenu[i] == NULL || ctrl->qmenu[i][0] == '\0')
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return -EINVAL;
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strlcpy(qm->name, ctrl->qmenu[i], sizeof(qm->name));
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if (ctrl->type == V4L2_CTRL_TYPE_MENU) {
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if (ctrl->qmenu[i] == NULL || ctrl->qmenu[i][0] == '\0')
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return -EINVAL;
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strlcpy(qm->name, ctrl->qmenu[i], sizeof(qm->name));
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} else {
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qm->value = ctrl->qmenu_int[i];
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}
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return 0;
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}
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EXPORT_SYMBOL(v4l2_querymenu);
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@ -1151,6 +1151,7 @@ enum v4l2_ctrl_type {
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V4L2_CTRL_TYPE_CTRL_CLASS = 6,
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V4L2_CTRL_TYPE_STRING = 7,
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V4L2_CTRL_TYPE_BITMASK = 8,
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V4L2_CTRL_TYPE_INTEGER_MENU = 9,
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};
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/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
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@ -1170,7 +1171,10 @@ struct v4l2_queryctrl {
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struct v4l2_querymenu {
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__u32 id;
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__u32 index;
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__u8 name[32]; /* Whatever */
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union {
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__u8 name[32]; /* Whatever */
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__s64 value;
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};
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__u32 reserved;
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};
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@ -130,7 +130,10 @@ struct v4l2_ctrl {
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u32 step;
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u32 menu_skip_mask;
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};
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const char * const *qmenu;
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union {
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const char * const *qmenu;
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const s64 *qmenu_int;
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};
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unsigned long flags;
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union {
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s32 val;
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@ -220,6 +223,7 @@ struct v4l2_ctrl_config {
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u32 flags;
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u32 menu_skip_mask;
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const char * const *qmenu;
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const s64 *qmenu_int;
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unsigned int is_private:1;
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};
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