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AgeCommit message (Collapse)Author
2007-12-18remove output namesDave Airlie
2007-12-11modesetting: fixup property setting and add connector propertyDave Airlie
2007-12-11modesetting: add dpms property and initial settable property ioctlDave Airlie
2007-12-06add property blobs and edid reporting supportDave Airlie
2007-12-05arrgggh.. make all ioctl structs 32/64-bit compatible hopefully.Dave Airlie
This also starts to add blob property support. someone needs to check this work for other things like ppc/x86 alignment diffs
2007-12-03finish of mode add/remove, just have attach/detach modesDave Airlie
2007-12-03modesetting API change for removing mode ids and making modes per output.Dave Airlie
so really want to get a list of modes per output not the global hammer list. also we remove the mode ids and let the user pass back the full mode description need to fix up add/remove mode for user modes now
2007-11-27drm/modesetting: add initial gettable properites code.Dave Airlie
This allow the user to retrieve a list of properties for an output. Properties can either be 32-bit values or an enum with an associated name. Range properties are to be supported. This API is probably not all correct, I may make properties part of the general resource get when I think about it some more. So basically you can create properties and attached them to whatever outputs you want, so it should be possible to create some generics and just attach them to every output.
2007-11-15tests: update for new drm interfaceDave Airlie
2007-09-24Added small modesetting testJakob Bornecrantz
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/**************************************************************************
 *
 * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *
 **************************************************************************/
/*
 * Simple memory MANager interface that keeps track on allocate regions on a
 * per "owner" basis. All regions associated with an "owner" can be released
 * with a simple call. Typically if the "owner" exists. The owner is any
 * "unsigned long" identifier. Can typically be a pointer to a file private
 * struct or a context identifier.
 *
 * Authors:
 * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
 */

#ifndef DRM_SMAN_H
#define DRM_SMAN_H

#include "drmP.h"
#include "drm_hashtab.h"

/*
 * A class that is an abstration of a simple memory allocator.
 * The sman implementation provides a default such allocator
 * using the drm_mm.c implementation. But the user can replace it.
 * See the SiS implementation, which may use the SiS FB kernel module
 * for memory management.
 */

typedef struct drm_sman_mm {
	/* private info. If allocated, needs to be destroyed by the destroy
	   function */
	void *private;

	/* Allocate a memory block with given size and alignment.
	   Return an opaque reference to the memory block */

	void *(*allocate) (void *private, unsigned long size,
			   unsigned alignment);

	/* Free a memory block. "ref" is the opaque reference that we got from
	   the "alloc" function */

	void (*free) (void *private, void *ref);

	/* Free all resources associated with this allocator */

	void (*destroy) (void *private);

	/* Return a memory offset from the opaque reference returned from the
	   "alloc" function */

	unsigned long (*offset) (void *private, void *ref);
} drm_sman_mm_t;

typedef struct drm_memblock_item {
	struct list_head owner_list;
	drm_hash_item_t user_hash;
	void *mm_info;
	drm_sman_mm_t *mm;
	struct drm_sman *sman;
} drm_memblock_item_t;

typedef struct drm_sman {
	drm_sman_mm_t *mm;
	int num_managers;
	drm_open_hash_t owner_hash_tab;
	drm_open_hash_t user_hash_tab;
	struct list_head owner_items;
} drm_sman_t;

/*
 * Take down a memory manager. This function should only be called after a
 * successful init and after a call to drm_sman_cleanup.
 */

extern void drm_sman_takedown(drm_sman_t * sman);

/*
 * Allocate structures for a manager.
 * num_managers are the number of memory pools to manage. (VRAM, AGP, ....)
 * user_order is the log2 of the number of buckets in the user hash table.
 *	    set this to approximately log2 of the max number of memory regions
 *	    that will be allocated for _all_ pools together.
 * owner_order is the log2 of the number of buckets in the owner hash table.
 *	    set this to approximately log2 of
 *	    the number of client file connections that will
 *	    be using the manager.
 *
 */

extern int drm_sman_init(drm_sman_t * sman, unsigned int num_managers,
			 unsigned int user_order, unsigned int owner_order);

/*
 * Initialize a drm_mm.c allocator. Should be called only once for each
 * manager unless a customized allogator is used.
 */

extern int drm_sman_set_range(drm_sman_t * sman, unsigned int manager,
			      unsigned long start, unsigned long size);

/*
 * Initialize a customized allocator for one of the managers.
 * (See the SiS module). The object pointed to by "allocator" is copied,
 * so it can be destroyed after this call.
 */

extern int drm_sman_set_manager(drm_sman_t * sman, unsigned int mananger,
				drm_sman_mm_t * allocator);

/*
 * Allocate a memory block. Aligment is not implemented yet.
 */

extern drm_memblock_item_t *drm_sman_alloc(drm_sman_t * sman,
					   unsigned int manager,
					   unsigned long size,
					   unsigned alignment,
					   unsigned long owner);
/*
 * Free a memory block identified by its user hash key.
 */

extern int drm_sman_free_key(drm_sman_t * sman, unsigned int key);

/*
 * returns 1 iff there are no stale memory blocks associated with this owner.
 * Typically called to determine if we need to idle the hardware and call
 * drm_sman_owner_cleanup. If there are no stale memory blocks, it removes all
 * resources associated with owner.
 */

extern int drm_sman_owner_clean(drm_sman_t * sman, unsigned long owner);

/*
 * Frees all stale memory blocks associated with this owner. Note that this
 * requires that the hardware is finished with all blocks, so the graphics engine
 * should be idled before this call is made. This function also frees
 * any resources associated with "owner" and should be called when owner
 * is not going to be referenced anymore.
 */

extern void drm_sman_owner_cleanup(drm_sman_t * sman, unsigned long owner);

/*
 * Frees all stale memory blocks associated with the memory manager.
 * See idling above.
 */

extern void drm_sman_cleanup(drm_sman_t * sman);

#endif