cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nv41.c (2164B)

      1/*
      2 * Copyright (C) 2010 Francisco Jerez.
      3 * All Rights Reserved.
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining
      6 * a copy of this software and associated documentation files (the
      7 * "Software"), to deal in the Software without restriction, including
      8 * without limitation the rights to use, copy, modify, merge, publish,
      9 * distribute, sublicense, and/or sell copies of the Software, and to
     10 * permit persons to whom the Software is furnished to do so, subject to
     11 * the following conditions:
     12 *
     13 * The above copyright notice and this permission notice (including the
     14 * next paragraph) shall be included in all copies or substantial
     15 * portions of the Software.
     16 *
     17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
     21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24 *
     25 */
     26#include "priv.h"
     27#include "ram.h"
     28
     29void
     30nv41_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
     31{
     32	struct nvkm_device *device = fb->subdev.device;
     33	nvkm_wr32(device, 0x100604 + (i * 0x10), tile->limit);
     34	nvkm_wr32(device, 0x100608 + (i * 0x10), tile->pitch);
     35	nvkm_wr32(device, 0x100600 + (i * 0x10), tile->addr);
     36	nvkm_rd32(device, 0x100600 + (i * 0x10));
     37	nvkm_wr32(device, 0x100700 + (i * 0x04), tile->zcomp);
     38}
     39
     40void
     41nv41_fb_init(struct nvkm_fb *fb)
     42{
     43	nvkm_wr32(fb->subdev.device, 0x100800, 0x00000001);
     44}
     45
     46static const struct nvkm_fb_func
     47nv41_fb = {
     48	.tags = nv20_fb_tags,
     49	.init = nv41_fb_init,
     50	.tile.regions = 12,
     51	.tile.init = nv30_fb_tile_init,
     52	.tile.comp = nv40_fb_tile_comp,
     53	.tile.fini = nv20_fb_tile_fini,
     54	.tile.prog = nv41_fb_tile_prog,
     55	.ram_new = nv41_ram_new,
     56};
     57
     58int
     59nv41_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
     60{
     61	return nvkm_fb_new_(&nv41_fb, device, type, inst, pfb);
     62}