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 29static void 30nv44_fb_tile_init(struct nouveau_fb *pfb, int i, u32 addr, u32 size, u32 pitch, 31 u32 flags, struct nouveau_fb_tile *tile) 32{ 33 tile->addr = 0x00000001; /* mode = vram */ 34 tile->addr |= addr; 35 tile->limit = max(1u, addr + size) - 1; 36 tile->pitch = pitch; 37} 38 39void 40nv44_fb_tile_prog(struct nouveau_fb *pfb, int i, struct nouveau_fb_tile *tile) 41{ 42 nv_wr32(pfb, 0x100604 + (i * 0x10), tile->limit); 43 nv_wr32(pfb, 0x100608 + (i * 0x10), tile->pitch); 44 nv_wr32(pfb, 0x100600 + (i * 0x10), tile->addr); 45 nv_rd32(pfb, 0x100600 + (i * 0x10)); 46} 47 48int 49nv44_fb_init(struct nouveau_object *object) 50{ 51 struct nv04_fb_priv *priv = (void *)object; 52 int ret; 53 54 ret = nouveau_fb_init(&priv->base); 55 if (ret) 56 return ret; 57 58 nv_wr32(priv, 0x100850, 0x80000000); 59 nv_wr32(priv, 0x100800, 0x00000001); 60 return 0; 61} 62 63struct nouveau_oclass * 64nv44_fb_oclass = &(struct nv04_fb_impl) { 65 .base.base.handle = NV_SUBDEV(FB, 0x44), 66 .base.base.ofuncs = &(struct nouveau_ofuncs) { 67 .ctor = nv04_fb_ctor, 68 .dtor = _nouveau_fb_dtor, 69 .init = nv44_fb_init, 70 .fini = _nouveau_fb_fini, 71 }, 72 .base.memtype = nv04_fb_memtype_valid, 73 .base.ram = &nv44_ram_oclass, 74 .tile.regions = 12, 75 .tile.init = nv44_fb_tile_init, 76 .tile.fini = nv20_fb_tile_fini, 77 .tile.prog = nv44_fb_tile_prog, 78}.base.base; 79