58 lines · c
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 29void30nv46_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,31 u32 flags, struct nvkm_fb_tile *tile)32{33 /* for performance, select alternate bank offset for zeta */34 if (!(flags & 4)) tile->addr = (0 << 3);35 else tile->addr = (1 << 3);36 37 tile->addr |= 0x00000001; /* mode = vram */38 tile->addr |= addr;39 tile->limit = max(1u, addr + size) - 1;40 tile->pitch = pitch;41}42 43static const struct nvkm_fb_func44nv46_fb = {45 .init = nv44_fb_init,46 .tile.regions = 15,47 .tile.init = nv46_fb_tile_init,48 .tile.fini = nv20_fb_tile_fini,49 .tile.prog = nv44_fb_tile_prog,50 .ram_new = nv44_ram_new,51};52 53int54nv46_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)55{56 return nvkm_fb_new_(&nv46_fb, device, type, inst, pfb);57}58