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 29 static void 30 nv25_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 = 0x00100000; /* Z16 */ 37 else tile->zcomp = 0x00200000; /* Z24S8 */ 38 tile->zcomp |= tile->tag->offset; 39 #ifdef __BIG_ENDIAN 40 tile->zcomp |= 0x01000000; 41 #endif 42 } 43 } 44 45 static const struct nvkm_fb_func 46 nv25_fb = { 47 .tags = nv20_fb_tags, 48 .tile.regions = 8, 49 .tile.init = nv20_fb_tile_init, 50 .tile.comp = nv25_fb_tile_comp, 51 .tile.fini = nv20_fb_tile_fini, 52 .tile.prog = nv20_fb_tile_prog, 53 .ram_new = nv20_ram_new, 54 }; 55 56 int 57 nv25_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) 58 { 59 return nvkm_fb_new_(&nv25_fb, device, type, inst, pfb); 60 } 61