drm: add generic ioctls to get/set properties on any object

Useless for connector properties (since they already have their own
ioctls), but useful when we add properties to CRTCs, planes and other
objects.

Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Rob Clark <rob.clark@linaro.org>
Tested-by: Rob Clark <rob.clark@linaro.org>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

3 files changed, 30 insertions, 0 deletions

diff --git a/include/drm/drm.h b/include/drm/drm.h
index 64ff02d5b730..5b831df15bf1 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -730,6 +730,8 @@ struct drm_prime_handle {
 #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane)
 #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane)
 #define DRM_IOCTL_MODE_ADDFB2           DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
+#define DRM_IOCTL_MODE_OBJ_GETPROPERTIES        DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
+#define DRM_IOCTL_MODE_OBJ_SETPROPERTY  DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
 
 /**
  * Device specific ioctls should only be in their respective headers
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 77606794308b..b0c32499fcd4 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -903,6 +903,12 @@ extern int drm_connector_property_set_value(struct drm_connector *connector,
 extern int drm_connector_property_get_value(struct drm_connector *connector,
                                          struct drm_property *property,
                                          uint64_t *value);
+extern int drm_object_property_set_value(struct drm_mode_object *obj,
+                                         struct drm_property *property,
+                                         uint64_t val);
+extern int drm_object_property_get_value(struct drm_mode_object *obj,
+                                         struct drm_property *property,
+                                         uint64_t *value);
 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
 extern void drm_framebuffer_set_object(struct drm_device *dev,
                                        unsigned long handle);
@@ -917,6 +923,9 @@ extern bool drm_crtc_in_use(struct drm_crtc *crtc);
 
 extern void drm_connector_attach_property(struct drm_connector *connector,
                                           struct drm_property *property, uint64_t init_val);
+extern void drm_object_attach_property(struct drm_mode_object *obj,
+                                       struct drm_property *property,
+                                       uint64_t init_val);
 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
                                                 const char *name, int num_values);
 extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
@@ -1029,6 +1038,10 @@ extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
                                     void *data, struct drm_file *file_priv);
 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
                                       void *data, struct drm_file *file_priv);
+extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
+                                             struct drm_file *file_priv);
+extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
+                                           struct drm_file *file_priv);
 
 extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
                                  int *bpp);
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index 4a0aae38e160..326f2be0d497 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -254,6 +254,21 @@ struct drm_mode_connector_set_property {
         __u32 connector_id;
 };
 
+struct drm_mode_obj_get_properties {
+        __u64 props_ptr;
+        __u64 prop_values_ptr;
+        __u32 count_props;
+        __u32 obj_id;
+        __u32 obj_type;
+};
+
+struct drm_mode_obj_set_property {
+        __u64 value;
+        __u32 prop_id;
+        __u32 obj_id;
+        __u32 obj_type;
+};
+
 struct drm_mode_get_blob {
         __u32 blob_id;
         __u32 length;