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 "nv04.h" 27 28 static void 29 nv44_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch, 30 u32 flags, struct nvkm_fb_tile *tile) 31 { 32 tile->addr = 0x00000001; /* mode = vram */ 33 tile->addr |= addr; 34 tile->limit = max(1u, addr + size) - 1; 35 tile->pitch = pitch; 36 } 37 38 void 39 nv44_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile) 40 { 41 struct nvkm_device *device = fb->subdev.device; 42 nvkm_wr32(device, 0x100604 + (i * 0x10), tile->limit); 43 nvkm_wr32(device, 0x100608 + (i * 0x10), tile->pitch); 44 nvkm_wr32(device, 0x100600 + (i * 0x10), tile->addr); 45 nvkm_rd32(device, 0x100600 + (i * 0x10)); 46 } 47 48 int 49 nv44_fb_init(struct nvkm_object *object) 50 { 51 struct nvkm_fb *fb = (void *)object; 52 struct nvkm_device *device = fb->subdev.device; 53 int ret; 54 55 ret = nvkm_fb_init(fb); 56 if (ret) 57 return ret; 58 59 nvkm_wr32(device, 0x100850, 0x80000000); 60 nvkm_wr32(device, 0x100800, 0x00000001); 61 return 0; 62 } 63 64 struct nvkm_oclass * 65 nv44_fb_oclass = &(struct nv04_fb_impl) { 66 .base.base.handle = NV_SUBDEV(FB, 0x44), 67 .base.base.ofuncs = &(struct nvkm_ofuncs) { 68 .ctor = nv04_fb_ctor, 69 .dtor = _nvkm_fb_dtor, 70 .init = nv44_fb_init, 71 .fini = _nvkm_fb_fini, 72 }, 73 .base.memtype = nv04_fb_memtype_valid, 74 .base.ram = &nv44_ram_oclass, 75 .tile.regions = 12, 76 .tile.init = nv44_fb_tile_init, 77 .tile.fini = nv20_fb_tile_fini, 78 .tile.prog = nv44_fb_tile_prog, 79 }.base.base; 80