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1/*2 * Copyright (C) 2010 Francisco Jerez.3 * All Rights Reserved.4 *5 * Permission is hereby granted, free of charge, to any person obtaining6 * a copy of this software and associated documentation files (the7 * "Software"), to deal in the Software without restriction, including8 * without limitation the rights to use, copy, modify, merge, publish,9 * distribute, sublicense, and/or sell copies of the Software, and to10 * permit persons to whom the Software is furnished to do so, subject to11 * the following conditions:12 *13 * The above copyright notice and this permission notice (including the14 * next paragraph) shall be included in all copies or substantial15 * 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 OF19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.24 *25 */26#include "priv.h"27#include "ram.h"28 29static void30nv36_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,31 struct nvkm_fb_tile *tile)32{33 u32 tiles = DIV_ROUND_UP(size, 0x40);34 u32 tags = round_up(tiles / fb->ram->parts, 0x40);35 if (!nvkm_mm_head(&fb->tags.mm, 0, 1, tags, tags, 1, &tile->tag)) {36 if (flags & 2) tile->zcomp |= 0x10000000; /* Z16 */37 else tile->zcomp |= 0x20000000; /* Z24S8 */38 tile->zcomp |= ((tile->tag->offset ) >> 6);39 tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 14;40#ifdef __BIG_ENDIAN41 tile->zcomp |= 0x80000000;42#endif43 }44}45 46static const struct nvkm_fb_func47nv36_fb = {48 .tags = nv20_fb_tags,49 .init = nv30_fb_init,50 .tile.regions = 8,51 .tile.init = nv30_fb_tile_init,52 .tile.comp = nv36_fb_tile_comp,53 .tile.fini = nv20_fb_tile_fini,54 .tile.prog = nv20_fb_tile_prog,55 .ram_new = nv20_ram_new,56};57 58int59nv36_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)60{61 return nvkm_fb_new_(&nv36_fb, device, type, inst, pfb);62}63