forked from luck/tmp_suning_uos_patched
59e71ee746
This just contains the base property classes and all the code to handle blobs. I think for any kind of standardized/shared properties it's better to have separate files - this is fairly big already as-is. v2: resurrect misplaced hunk (Daniel Stone) Cc: Daniel Stone <daniel@fooishbar.org> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160829082757.17913-7-daniel.vetter@ffwll.ch
121 lines
4.3 KiB
C
121 lines
4.3 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef __DRM_PROPERTY_H__
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#define __DRM_PROPERTY_H__
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#include <linux/list.h>
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#include <linux/ctype.h>
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#include <drm/drm_mode_object.h>
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struct drm_property_blob {
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struct drm_mode_object base;
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struct drm_device *dev;
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struct list_head head_global;
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struct list_head head_file;
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size_t length;
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unsigned char data[];
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};
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struct drm_property_enum {
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uint64_t value;
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struct list_head head;
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char name[DRM_PROP_NAME_LEN];
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};
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struct drm_property {
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struct list_head head;
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struct drm_mode_object base;
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uint32_t flags;
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char name[DRM_PROP_NAME_LEN];
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uint32_t num_values;
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uint64_t *values;
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struct drm_device *dev;
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struct list_head enum_list;
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};
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struct drm_prop_enum_list {
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int type;
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char *name;
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};
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#define obj_to_property(x) container_of(x, struct drm_property, base)
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static inline bool drm_property_type_is(struct drm_property *property,
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uint32_t type)
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{
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/* instanceof for props.. handles extended type vs original types: */
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if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE)
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return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type;
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return property->flags & type;
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}
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struct drm_property *drm_property_create(struct drm_device *dev, int flags,
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const char *name, int num_values);
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struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
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const char *name,
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const struct drm_prop_enum_list *props,
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int num_values);
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struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
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int flags, const char *name,
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const struct drm_prop_enum_list *props,
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int num_props,
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uint64_t supported_bits);
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struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
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const char *name,
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uint64_t min, uint64_t max);
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struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
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int flags, const char *name,
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int64_t min, int64_t max);
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struct drm_property *drm_property_create_object(struct drm_device *dev,
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int flags, const char *name, uint32_t type);
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struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags,
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const char *name);
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int drm_property_add_enum(struct drm_property *property, int index,
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uint64_t value, const char *name);
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void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
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struct drm_property_blob *drm_property_create_blob(struct drm_device *dev,
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size_t length,
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const void *data);
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struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev,
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uint32_t id);
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int drm_property_replace_global_blob(struct drm_device *dev,
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struct drm_property_blob **replace,
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size_t length,
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const void *data,
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struct drm_mode_object *obj_holds_id,
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struct drm_property *prop_holds_id);
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struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob);
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void drm_property_unreference_blob(struct drm_property_blob *blob);
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static inline struct drm_property *drm_property_find(struct drm_device *dev,
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uint32_t id)
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{
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struct drm_mode_object *mo;
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mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY);
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return mo ? obj_to_property(mo) : NULL;
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}
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#endif
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