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 27 #include "nv04.h" 28 29 static void 30 nv25_fb_tile_comp(struct nouveau_fb *pfb, int i, u32 size, u32 flags, 31 struct nouveau_fb_tile *tile) 32 { 33 u32 tiles = DIV_ROUND_UP(size, 0x40); 34 u32 tags = round_up(tiles / pfb->ram->parts, 0x40); 35 if (!nouveau_mm_head(&pfb->tags, 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 struct nouveau_oclass * 46 nv25_fb_oclass = &(struct nv04_fb_impl) { 47 .base.base.handle = NV_SUBDEV(FB, 0x25), 48 .base.base.ofuncs = &(struct nouveau_ofuncs) { 49 .ctor = nv04_fb_ctor, 50 .dtor = _nouveau_fb_dtor, 51 .init = _nouveau_fb_init, 52 .fini = _nouveau_fb_fini, 53 }, 54 .base.memtype = nv04_fb_memtype_valid, 55 .base.ram = &nv20_ram_oclass, 56 .tile.regions = 8, 57 .tile.init = nv20_fb_tile_init, 58 .tile.comp = nv25_fb_tile_comp, 59 .tile.fini = nv20_fb_tile_fini, 60 .tile.prog = nv20_fb_tile_prog, 61 }.base.base; 62