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/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*-
* Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS 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.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
#include "drmP.h"
#if defined(__FreeBSD__) || defined(__NetBSD__)
#define malloctype DRM(M_DRM)
/* The macros conflicted in the MALLOC_DEFINE */
MALLOC_DEFINE(malloctype, "drm", "DRM Data Structures");
#undef malloctype
#endif
#ifdef DEBUG_MEMORY
#include "drm_memory_debug.h"
#else
void DRM(mem_init)(void)
{
#ifdef __NetBSD__
malloc_type_attach(DRM(M_DRM));
#endif
}
void DRM(mem_uninit)(void)
{
}
void *DRM(alloc)(size_t size, int area)
{
return malloc(size, DRM(M_DRM), M_NOWAIT);
}
void *DRM(calloc)(size_t nmemb, size_t size, int area)
{
return malloc(size * nmemb, DRM(M_DRM), M_NOWAIT | M_ZERO);
}
void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
{
void *pt;
pt = malloc(size, DRM(M_DRM), M_NOWAIT);
if (pt == NULL)
return NULL;
if (oldpt && oldsize) {
memcpy(pt, oldpt, oldsize);
free(oldpt, DRM(M_DRM));
}
return pt;
}
void DRM(free)(void *pt, size_t size, int area)
{
free(pt, DRM(M_DRM));
}
void *DRM(ioremap)( drm_device_t *dev, drm_local_map_t *map )
{
#ifdef __FreeBSD__
return pmap_mapdev(map->offset, map->size);
#elif defined(__NetBSD__)
map->iot = dev->pa.pa_memt;
if (bus_space_map(map->iot, map->offset, map->size,
BUS_SPACE_MAP_LINEAR, &map->ioh))
return NULL;
return bus_space_vaddr(map->iot, map->ioh);
#endif
}
void DRM(ioremapfree)(drm_local_map_t *map)
{
#ifdef __FreeBSD__
pmap_unmapdev((vm_offset_t) map->handle, map->size);
#elif defined(__NetBSD__)
bus_space_unmap(map->iot, map->ioh, map->size);
#endif
}
#if __REALLY_HAVE_AGP
agp_memory *DRM(alloc_agp)(int pages, u32 type)
{
return DRM(agp_allocate_memory)(pages, type);
}
int DRM(free_agp)(agp_memory *handle, int pages)
{
return DRM(agp_free_memory)(handle);
}
int DRM(bind_agp)(agp_memory *handle, unsigned int start)
{
return DRM(agp_bind_memory)(handle, start);
}
int DRM(unbind_agp)(agp_memory *handle)
{
return DRM(agp_unbind_memory)(handle);
}
#endif /* __REALLY_HAVE_AGP */
#if __REALLY_HAVE_MTRR
#ifdef __FreeBSD__
int
DRM(mtrr_add)(unsigned long offset, size_t size, int flags)
{
int act;
struct mem_range_desc mrdesc;
mrdesc.mr_base = offset;
mrdesc.mr_len = size;
mrdesc.mr_flags = flags;
act = MEMRANGE_SET_UPDATE;
strlcpy(mrdesc.mr_owner, DRIVER_NAME, sizeof(mrdesc.mr_owner));
return mem_range_attr_set(&mrdesc, &act);
}
int
DRM(mtrr_del)(unsigned long offset, size_t size, int flags)
{
int act;
struct mem_range_desc mrdesc;
mrdesc.mr_base = offset;
mrdesc.mr_len = size;
mrdesc.mr_flags = flags;
act = MEMRANGE_SET_REMOVE;
strlcpy(mrdesc.mr_owner, DRIVER_NAME, sizeof(mrdesc.mr_owner));
return mem_range_attr_set(&mrdesc, &act);
}
#elif defined(__NetBSD__)
int
DRM(mtrr_add)(unsigned long offset, size_t size, int flags)
{
struct mtrr mtrrmap;
int one = 1;
mtrrmap.base = offset;
mtrrmap.len = size;
mtrrmap.type = flags;
mtrrmap.flags = MTRR_VALID;
return mtrr_set(&mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
}
int
DRM(mtrr_del)(unsigned long offset, size_t size, int flags)
{
struct mtrr mtrrmap;
int one = 1;
mtrrmap.base = offset;
mtrrmap.len = size;
mtrrmap.type = flags;
mtrrmap.flags = 0;
return mtrr_set(&mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
}
#endif
#endif /* __REALLY_HAVE_MTRR */
#endif /* DEBUG_MEMORY */
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