/*
* Copyright 2007 Dave Airlied
* 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: Dave Airlied <airlied@linux.ie>
* Ben Skeggs <darktama@iinet.net.au>
* Jeremy Kolb <jkolb@brandeis.edu>
*/
#include <linux/dma-mapping.h>
#include "nouveau_drv.h"
#include "nouveau_chan.h"
#include "nouveau_fence.h"
#include "nouveau_bo.h"
#include "nouveau_ttm.h"
#include "nouveau_gem.h"
#include "nouveau_mem.h"
#include "nouveau_vmm.h"
#include <nvif/class.h>
#include <nvif/if500b.h>
#include <nvif/if900b.h>
static int nouveau_ttm_tt_bind(struct ttm_device *bdev, struct ttm_tt *ttm,
struct ttm_resource *reg);
static void nouveau_ttm_tt_unbind(struct ttm_device *bdev, struct ttm_tt *ttm);
/*
* NV10-NV40 tiling helpers
*/
static void
nv10_bo_update_tile_region(struct drm_device *dev, struct nouveau_drm_tile *reg,
u32 addr, u32 size, u32 pitch, u32 flags)
{
struct nouveau_drm *drm = nouveau_drm(dev);
int i = reg - drm->tile.reg;
struct nvkm_fb *fb = nvxx_fb(&drm->client.device);
struct nvkm_fb_tile *tile = &fb->tile.region[i];
nouveau_fence_unref(®->fence);
if (tile->pitch)
nvkm_fb_tile_fini(fb, i, tile);
if (pitch)
nvkm_fb_tile_init(fb, i, addr, size, pitch, flags, tile);
nvkm_fb_tile_prog(fb, i, tile);
}
static struct nouveau_drm_tile *
nv10_bo_get_tile_region(struct drm_device *dev, int i)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_drm_tile *tile = &drm->tile.reg[i];
spin_lock(&drm->tile.lock);
if (!tile->used &&
(!tile->fence || nouveau_fence_done(tile->fence)))
tile->used = true;
else
tile = NULL;
spin_unlock(&drm->tile.lock);
return tile;
}
static void
nv10_bo_put_tile_region(struct drm_d