1c39f472eSBen Skeggs /* 2c39f472eSBen Skeggs * Copyright 2012 Red Hat Inc. 3c39f472eSBen Skeggs * 4c39f472eSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 5c39f472eSBen Skeggs * copy of this software and associated documentation files (the "Software"), 6c39f472eSBen Skeggs * to deal in the Software without restriction, including without limitation 7c39f472eSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8c39f472eSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 9c39f472eSBen Skeggs * Software is furnished to do so, subject to the following conditions: 10c39f472eSBen Skeggs * 11c39f472eSBen Skeggs * The above copyright notice and this permission notice shall be included in 12c39f472eSBen Skeggs * all copies or substantial portions of the Software. 13c39f472eSBen Skeggs * 14c39f472eSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15c39f472eSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16c39f472eSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17c39f472eSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18c39f472eSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19c39f472eSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20c39f472eSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 21c39f472eSBen Skeggs * 22c39f472eSBen Skeggs * Authors: Ben Skeggs 23c39f472eSBen Skeggs */ 24c39f472eSBen Skeggs 25c39f472eSBen Skeggs #include "nv04.h" 26c39f472eSBen Skeggs 27c39f472eSBen Skeggs #define NV04_PFB_CFG0 0x00100200 28c39f472eSBen Skeggs 29c39f472eSBen Skeggs bool 30c39f472eSBen Skeggs nv04_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags) 31c39f472eSBen Skeggs { 32c39f472eSBen Skeggs if (!(tile_flags & 0xff00)) 33c39f472eSBen Skeggs return true; 34c39f472eSBen Skeggs 35c39f472eSBen Skeggs return false; 36c39f472eSBen Skeggs } 37c39f472eSBen Skeggs 38c39f472eSBen Skeggs static int 39c39f472eSBen Skeggs nv04_fb_init(struct nouveau_object *object) 40c39f472eSBen Skeggs { 41c39f472eSBen Skeggs struct nv04_fb_priv *priv = (void *)object; 42c39f472eSBen Skeggs int ret; 43c39f472eSBen Skeggs 44c39f472eSBen Skeggs ret = nouveau_fb_init(&priv->base); 45c39f472eSBen Skeggs if (ret) 46c39f472eSBen Skeggs return ret; 47c39f472eSBen Skeggs 48c39f472eSBen Skeggs /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows 49c39f472eSBen Skeggs * nvidia reading PFB_CFG_0, then writing back its original value. 50c39f472eSBen Skeggs * (which was 0x701114 in this case) 51c39f472eSBen Skeggs */ 52c39f472eSBen Skeggs nv_wr32(priv, NV04_PFB_CFG0, 0x1114); 53c39f472eSBen Skeggs return 0; 54c39f472eSBen Skeggs } 55c39f472eSBen Skeggs 56c39f472eSBen Skeggs int 57c39f472eSBen Skeggs nv04_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, 58c39f472eSBen Skeggs struct nouveau_oclass *oclass, void *data, u32 size, 59c39f472eSBen Skeggs struct nouveau_object **pobject) 60c39f472eSBen Skeggs { 61c39f472eSBen Skeggs struct nv04_fb_impl *impl = (void *)oclass; 62c39f472eSBen Skeggs struct nv04_fb_priv *priv; 63c39f472eSBen Skeggs int ret; 64c39f472eSBen Skeggs 65c39f472eSBen Skeggs ret = nouveau_fb_create(parent, engine, oclass, &priv); 66c39f472eSBen Skeggs *pobject = nv_object(priv); 67c39f472eSBen Skeggs if (ret) 68c39f472eSBen Skeggs return ret; 69c39f472eSBen Skeggs 70c39f472eSBen Skeggs priv->base.tile.regions = impl->tile.regions; 71c39f472eSBen Skeggs priv->base.tile.init = impl->tile.init; 72c39f472eSBen Skeggs priv->base.tile.comp = impl->tile.comp; 73c39f472eSBen Skeggs priv->base.tile.fini = impl->tile.fini; 74c39f472eSBen Skeggs priv->base.tile.prog = impl->tile.prog; 75c39f472eSBen Skeggs return 0; 76c39f472eSBen Skeggs } 77c39f472eSBen Skeggs 78c39f472eSBen Skeggs struct nouveau_oclass * 79c39f472eSBen Skeggs nv04_fb_oclass = &(struct nv04_fb_impl) { 80c39f472eSBen Skeggs .base.base.handle = NV_SUBDEV(FB, 0x04), 81c39f472eSBen Skeggs .base.base.ofuncs = &(struct nouveau_ofuncs) { 82c39f472eSBen Skeggs .ctor = nv04_fb_ctor, 83c39f472eSBen Skeggs .dtor = _nouveau_fb_dtor, 84c39f472eSBen Skeggs .init = nv04_fb_init, 85c39f472eSBen Skeggs .fini = _nouveau_fb_fini, 86c39f472eSBen Skeggs }, 87c39f472eSBen Skeggs .base.memtype = nv04_fb_memtype_valid, 88c39f472eSBen Skeggs .base.ram = &nv04_ram_oclass, 89c39f472eSBen Skeggs }.base.base; 90