1 /* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include "nv04.h" 25 #include "ram.h" 26 #include "regsnv04.h" 27 28 bool 29 nv04_fb_memtype_valid(struct nvkm_fb *fb, u32 tile_flags) 30 { 31 if (!(tile_flags & 0xff00)) 32 return true; 33 34 return false; 35 } 36 37 static int 38 nv04_fb_init(struct nvkm_object *object) 39 { 40 struct nvkm_fb *fb = (void *)object; 41 struct nvkm_device *device = fb->subdev.device; 42 int ret; 43 44 ret = nvkm_fb_init(fb); 45 if (ret) 46 return ret; 47 48 /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows 49 * nvidia reading PFB_CFG_0, then writing back its original value. 50 * (which was 0x701114 in this case) 51 */ 52 nvkm_wr32(device, NV04_PFB_CFG0, 0x1114); 53 return 0; 54 } 55 56 int 57 nv04_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 58 struct nvkm_oclass *oclass, void *data, u32 size, 59 struct nvkm_object **pobject) 60 { 61 struct nv04_fb_impl *impl = (void *)oclass; 62 struct nvkm_fb *fb; 63 int ret; 64 65 ret = nvkm_fb_create(parent, engine, oclass, &fb); 66 *pobject = nv_object(fb); 67 if (ret) 68 return ret; 69 70 fb->tile.regions = impl->tile.regions; 71 fb->tile.init = impl->tile.init; 72 fb->tile.comp = impl->tile.comp; 73 fb->tile.fini = impl->tile.fini; 74 fb->tile.prog = impl->tile.prog; 75 return 0; 76 } 77 78 struct nvkm_oclass * 79 nv04_fb_oclass = &(struct nv04_fb_impl) { 80 .base.base.handle = NV_SUBDEV(FB, 0x04), 81 .base.base.ofuncs = &(struct nvkm_ofuncs) { 82 .ctor = nv04_fb_ctor, 83 .dtor = _nvkm_fb_dtor, 84 .init = nv04_fb_init, 85 .fini = _nvkm_fb_fini, 86 }, 87 .base.memtype = nv04_fb_memtype_valid, 88 .base.ram_new = nv04_ram_new, 89 }.base.base; 90