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 void 30 nv46_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 43 static const struct nvkm_fb_func 44 nv46_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 53 int 54 nv46_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