mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-19 10:53:58 +00:00
6608b729ea
updates to allow system memory to be used for textures on PCI Radeons. Sponsored by: LinuxFund
130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/* 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>
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include "dev/drm/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 */
|
|
#endif /* DEBUG_MEMORY */
|