/* attach crtc properties */
static void xilinx_drm_crtc_attach_property(struct drm_crtc *base_crtc)
{
struct xilinx_drm_crtc *crtc = to_xilinx_crtc(base_crtc);
int num_planes;
num_planes = xilinx_drm_plane_get_num_planes(crtc->plane_manager);
if (num_planes <= 1)
return;
crtc->zpos_prop = drm_property_create_range(base_crtc->dev, 0, "zpos",
0, num_planes - 1);
if (crtc->zpos_prop) {
crtc->default_zpos =
xilinx_drm_plane_get_default_zpos(crtc->priv_plane);
drm_object_attach_property(&base_crtc->base, crtc->zpos_prop,
crtc->default_zpos);
xilinx_drm_plane_set_zpos(crtc->priv_plane, crtc->default_zpos);
}
crtc->default_alpha = xilinx_drm_plane_get_max_alpha(crtc->priv_plane);
crtc->alpha_prop = drm_property_create_range(base_crtc->dev, 0,
"alpha", 0,
crtc->default_alpha);
if (crtc->alpha_prop) {
drm_object_attach_property(&base_crtc->base, crtc->alpha_prop,
crtc->default_alpha);
xilinx_drm_plane_set_alpha(crtc->priv_plane,
crtc->default_alpha);
}
}
/* set property of a plane */
static int xilinx_drm_crtc_set_property(struct drm_crtc *base_crtc,
struct drm_property *property,
uint64_t val)
{
struct xilinx_drm_crtc *crtc = to_xilinx_crtc(base_crtc);
if (property == crtc->zpos_prop)
xilinx_drm_plane_set_zpos(crtc->priv_plane, val);
else if (property == crtc->alpha_prop)
xilinx_drm_plane_set_alpha(crtc->priv_plane, val);
else
return -EINVAL;
drm_object_property_set_value(&base_crtc->base, property, val);
return 0;
}
/* set property of a plane */
static int xilinx_drm_plane_set_property(struct drm_plane *base_plane,
struct drm_property *property,
uint64_t val)
{
struct xilinx_drm_plane *plane = to_xilinx_plane(base_plane);
struct xilinx_drm_plane_manager *manager = plane->manager;
if (property == manager->zpos_prop)
xilinx_drm_plane_set_zpos(base_plane, val);
else if (property == manager->alpha_prop)
xilinx_drm_plane_set_alpha(base_plane, val);
else
return -EINVAL;
drm_object_property_set_value(&base_plane->base, property, val);
return 0;
}
/**
* xilinx_drm_crtc_restore - Restore the crtc states
* @base_crtc: base crtc object
*
* Restore the crtc states to the default ones. The request is propagated
* to the plane driver.
*/
void xilinx_drm_crtc_restore(struct drm_crtc *base_crtc)
{
struct xilinx_drm_crtc *crtc = to_xilinx_crtc(base_crtc);
/*
* Reinitialize the property values, so correct values are read
* for these properties.
*/
if (crtc->zpos_prop) {
xilinx_drm_plane_set_zpos(crtc->priv_plane, crtc->default_zpos);
drm_object_property_set_value(&base_crtc->base, crtc->zpos_prop,
crtc->default_zpos);
}
if (crtc->alpha_prop) {
xilinx_drm_plane_set_alpha(crtc->priv_plane,
crtc->default_alpha);
drm_object_property_set_value(&base_crtc->base,
crtc->alpha_prop,
crtc->default_alpha);
}
xilinx_drm_plane_restore(crtc->plane_manager);
}
