159e71ee7SDaniel Vetter /* 259e71ee7SDaniel Vetter * Copyright (c) 2016 Intel Corporation 359e71ee7SDaniel Vetter * 459e71ee7SDaniel Vetter * Permission to use, copy, modify, distribute, and sell this software and its 559e71ee7SDaniel Vetter * documentation for any purpose is hereby granted without fee, provided that 659e71ee7SDaniel Vetter * the above copyright notice appear in all copies and that both that copyright 759e71ee7SDaniel Vetter * notice and this permission notice appear in supporting documentation, and 859e71ee7SDaniel Vetter * that the name of the copyright holders not be used in advertising or 959e71ee7SDaniel Vetter * publicity pertaining to distribution of the software without specific, 1059e71ee7SDaniel Vetter * written prior permission. The copyright holders make no representations 1159e71ee7SDaniel Vetter * about the suitability of this software for any purpose. It is provided "as 1259e71ee7SDaniel Vetter * is" without express or implied warranty. 1359e71ee7SDaniel Vetter * 1459e71ee7SDaniel Vetter * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 1559e71ee7SDaniel Vetter * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO 1659e71ee7SDaniel Vetter * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR 1759e71ee7SDaniel Vetter * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 1859e71ee7SDaniel Vetter * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 1959e71ee7SDaniel Vetter * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 2059e71ee7SDaniel Vetter * OF THIS SOFTWARE. 2159e71ee7SDaniel Vetter */ 2259e71ee7SDaniel Vetter 2359e71ee7SDaniel Vetter #ifndef __DRM_PROPERTY_H__ 2459e71ee7SDaniel Vetter #define __DRM_PROPERTY_H__ 2559e71ee7SDaniel Vetter 2659e71ee7SDaniel Vetter #include <linux/list.h> 2759e71ee7SDaniel Vetter #include <linux/ctype.h> 2859e71ee7SDaniel Vetter #include <drm/drm_mode_object.h> 2959e71ee7SDaniel Vetter 3059e71ee7SDaniel Vetter struct drm_property_blob { 3159e71ee7SDaniel Vetter struct drm_mode_object base; 3259e71ee7SDaniel Vetter struct drm_device *dev; 3359e71ee7SDaniel Vetter struct list_head head_global; 3459e71ee7SDaniel Vetter struct list_head head_file; 3559e71ee7SDaniel Vetter size_t length; 3659e71ee7SDaniel Vetter unsigned char data[]; 3759e71ee7SDaniel Vetter }; 3859e71ee7SDaniel Vetter 3959e71ee7SDaniel Vetter struct drm_property_enum { 4059e71ee7SDaniel Vetter uint64_t value; 4159e71ee7SDaniel Vetter struct list_head head; 4259e71ee7SDaniel Vetter char name[DRM_PROP_NAME_LEN]; 4359e71ee7SDaniel Vetter }; 4459e71ee7SDaniel Vetter 4559e71ee7SDaniel Vetter struct drm_property { 4659e71ee7SDaniel Vetter struct list_head head; 4759e71ee7SDaniel Vetter struct drm_mode_object base; 4859e71ee7SDaniel Vetter uint32_t flags; 4959e71ee7SDaniel Vetter char name[DRM_PROP_NAME_LEN]; 5059e71ee7SDaniel Vetter uint32_t num_values; 5159e71ee7SDaniel Vetter uint64_t *values; 5259e71ee7SDaniel Vetter struct drm_device *dev; 5359e71ee7SDaniel Vetter 5459e71ee7SDaniel Vetter struct list_head enum_list; 5559e71ee7SDaniel Vetter }; 5659e71ee7SDaniel Vetter 5759e71ee7SDaniel Vetter struct drm_prop_enum_list { 5859e71ee7SDaniel Vetter int type; 5959e71ee7SDaniel Vetter char *name; 6059e71ee7SDaniel Vetter }; 6159e71ee7SDaniel Vetter 6259e71ee7SDaniel Vetter #define obj_to_property(x) container_of(x, struct drm_property, base) 6359e71ee7SDaniel Vetter 6459e71ee7SDaniel Vetter static inline bool drm_property_type_is(struct drm_property *property, 6559e71ee7SDaniel Vetter uint32_t type) 6659e71ee7SDaniel Vetter { 6759e71ee7SDaniel Vetter /* instanceof for props.. handles extended type vs original types: */ 6859e71ee7SDaniel Vetter if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) 6959e71ee7SDaniel Vetter return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type; 7059e71ee7SDaniel Vetter return property->flags & type; 7159e71ee7SDaniel Vetter } 7259e71ee7SDaniel Vetter 7359e71ee7SDaniel Vetter struct drm_property *drm_property_create(struct drm_device *dev, int flags, 7459e71ee7SDaniel Vetter const char *name, int num_values); 7559e71ee7SDaniel Vetter struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, 7659e71ee7SDaniel Vetter const char *name, 7759e71ee7SDaniel Vetter const struct drm_prop_enum_list *props, 7859e71ee7SDaniel Vetter int num_values); 7959e71ee7SDaniel Vetter struct drm_property *drm_property_create_bitmask(struct drm_device *dev, 8059e71ee7SDaniel Vetter int flags, const char *name, 8159e71ee7SDaniel Vetter const struct drm_prop_enum_list *props, 8259e71ee7SDaniel Vetter int num_props, 8359e71ee7SDaniel Vetter uint64_t supported_bits); 8459e71ee7SDaniel Vetter struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, 8559e71ee7SDaniel Vetter const char *name, 8659e71ee7SDaniel Vetter uint64_t min, uint64_t max); 8759e71ee7SDaniel Vetter struct drm_property *drm_property_create_signed_range(struct drm_device *dev, 8859e71ee7SDaniel Vetter int flags, const char *name, 8959e71ee7SDaniel Vetter int64_t min, int64_t max); 9059e71ee7SDaniel Vetter struct drm_property *drm_property_create_object(struct drm_device *dev, 9159e71ee7SDaniel Vetter int flags, const char *name, uint32_t type); 9259e71ee7SDaniel Vetter struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, 9359e71ee7SDaniel Vetter const char *name); 9459e71ee7SDaniel Vetter int drm_property_add_enum(struct drm_property *property, int index, 9559e71ee7SDaniel Vetter uint64_t value, const char *name); 9659e71ee7SDaniel Vetter void drm_property_destroy(struct drm_device *dev, struct drm_property *property); 9759e71ee7SDaniel Vetter 9859e71ee7SDaniel Vetter struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, 9959e71ee7SDaniel Vetter size_t length, 10059e71ee7SDaniel Vetter const void *data); 10159e71ee7SDaniel Vetter struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, 10259e71ee7SDaniel Vetter uint32_t id); 10359e71ee7SDaniel Vetter int drm_property_replace_global_blob(struct drm_device *dev, 10459e71ee7SDaniel Vetter struct drm_property_blob **replace, 10559e71ee7SDaniel Vetter size_t length, 10659e71ee7SDaniel Vetter const void *data, 10759e71ee7SDaniel Vetter struct drm_mode_object *obj_holds_id, 10859e71ee7SDaniel Vetter struct drm_property *prop_holds_id); 10959e71ee7SDaniel Vetter struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob); 11059e71ee7SDaniel Vetter void drm_property_unreference_blob(struct drm_property_blob *blob); 11159e71ee7SDaniel Vetter 11259e71ee7SDaniel Vetter static inline struct drm_property *drm_property_find(struct drm_device *dev, 11359e71ee7SDaniel Vetter uint32_t id) 11459e71ee7SDaniel Vetter { 11559e71ee7SDaniel Vetter struct drm_mode_object *mo; 11659e71ee7SDaniel Vetter mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY); 11759e71ee7SDaniel Vetter return mo ? obj_to_property(mo) : NULL; 11859e71ee7SDaniel Vetter } 11959e71ee7SDaniel Vetter 12059e71ee7SDaniel Vetter #endif 121