/* * Copyright (C) 2010 Francisco Jerez. * 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 THE COPYRIGHT OWNER(S) 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. * */ #include "priv.h" #include "ram.h" static void nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags, struct nvkm_fb_tile *tile) { u32 tiles = DIV_ROUND_UP(size, 0x40); u32 tags = round_up(tiles / fb->ram->parts, 0x40); if (!nvkm_mm_head(&fb->tags.mm, 0, 1, tags, tags, 1, &tile->tag)) { if (!(flags & 2)) tile->zcomp = 0x00100000; /* Z16 */ else tile->zcomp = 0x00200000; /* Z24S8 */ tile->zcomp |= tile->tag->offset; #ifdef __BIG_ENDIAN tile->zcomp |= 0x01000000; #endif } } static const struct nvkm_fb_func nv25_fb = { .tags = nv20_fb_tags, .tile.regions = 8, .tile.init = nv20_fb_tile_init, .tile.comp = nv25_fb_tile_comp, .tile.fini = nv20_fb_tile_fini, .tile.prog = nv20_fb_tile_prog, .ram_new = nv20_ram_new, }; int nv25_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) { return nvkm_fb_new_(&nv25_fb, device, type, inst, pfb); }