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 nv10_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 tile->addr = 0x80000000 | addr; 34 tile->limit = max(1u, addr + size) - 1; 35 tile->pitch = pitch; 36 } 37 38 void 39 nv10_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) 40 { 41 tile->addr = 0; 42 tile->limit = 0; 43 tile->pitch = 0; 44 tile->zcomp = 0; 45 } 46 47 void 48 nv10_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) 49 { 50 struct nvkm_device *device = fb->subdev.device; 51 nvkm_wr32(device, 0x100244 + (i * 0x10), tile->limit); 52 nvkm_wr32(device, 0x100248 + (i * 0x10), tile->pitch); 53 nvkm_wr32(device, 0x100240 + (i * 0x10), tile->addr); 54 nvkm_rd32(device, 0x100240 + (i * 0x10)); 55 } 56 57 static const struct nvkm_fb_func 58 nv10_fb = { 59 .tile.regions = 8, 60 .tile.init = nv10_fb_tile_init, 61 .tile.fini = nv10_fb_tile_fini, 62 .tile.prog = nv10_fb_tile_prog, 63 .ram_new = nv10_ram_new, 64 }; 65 66 int 67 nv10_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) 68 { 69 return nvkm_fb_new_(&nv10_fb, device, index, pfb); 70 } 71