129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*-
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* Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com
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*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Rickard E. (Rik) Faith <faith@valinux.com>
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* Gareth Hughes <gareth@valinux.com>
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*
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*/
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#include "drmP.h"
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#if defined(__FreeBSD__) || defined(__NetBSD__)
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#define malloctype DRM(M_DRM)
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/* The macros conflicted in the MALLOC_DEFINE */
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MALLOC_DEFINE(malloctype, "drm", "DRM Data Structures");
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#undef malloctype
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#endif
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#ifdef DEBUG_MEMORY
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#include "drm_memory_debug.h"
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#else
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void DRM(mem_init)(void)
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{
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#ifdef __NetBSD__
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malloc_type_attach(DRM(M_DRM));
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#endif
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}
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void DRM(mem_uninit)(void)
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{
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}
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void *DRM(alloc)(size_t size, int area)
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{
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return malloc(size, DRM(M_DRM), M_NOWAIT);
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}
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void *DRM(calloc)(size_t nmemb, size_t size, int area)
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{
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return malloc(size * nmemb, DRM(M_DRM), M_NOWAIT | M_ZERO);
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}
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void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
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{
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void *pt;
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pt = malloc(size, DRM(M_DRM), M_NOWAIT);
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if (pt == NULL)
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return NULL;
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if (oldpt && oldsize) {
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memcpy(pt, oldpt, oldsize);
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free(oldpt, DRM(M_DRM));
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}
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return pt;
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}
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void DRM(free)(void *pt, size_t size, int area)
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{
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free(pt, DRM(M_DRM));
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}
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void *DRM(ioremap)( drm_device_t *dev, drm_local_map_t *map )
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{
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#ifdef __FreeBSD__
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return pmap_mapdev(map->offset, map->size);
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#elif defined(__NetBSD__)
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map->iot = dev->pa.pa_memt;
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if (bus_space_map(map->iot, map->offset, map->size,
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BUS_SPACE_MAP_LINEAR, &map->ioh))
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return NULL;
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return bus_space_vaddr(map->iot, map->ioh);
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#endif
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}
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void DRM(ioremapfree)(drm_local_map_t *map)
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{
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#ifdef __FreeBSD__
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pmap_unmapdev((vm_offset_t) map->handle, map->size);
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#elif defined(__NetBSD__)
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bus_space_unmap(map->iot, map->ioh, map->size);
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#endif
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}
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#if __REALLY_HAVE_AGP
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agp_memory *DRM(alloc_agp)(int pages, u32 type)
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{
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return DRM(agp_allocate_memory)(pages, type);
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}
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int DRM(free_agp)(agp_memory *handle, int pages)
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{
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return DRM(agp_free_memory)(handle);
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}
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int DRM(bind_agp)(agp_memory *handle, unsigned int start)
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{
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return DRM(agp_bind_memory)(handle, start);
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}
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int DRM(unbind_agp)(agp_memory *handle)
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{
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return DRM(agp_unbind_memory)(handle);
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}
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#endif /* __REALLY_HAVE_AGP */
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#endif /* DEBUG_MEMORY */
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