| /* |
| * Copyright 2012 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| |
| #include "nv04.h" |
| |
| #define NV04_PFB_CFG0 0x00100200 |
| |
| bool |
| nv04_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags) |
| { |
| if (!(tile_flags & 0xff00)) |
| return true; |
| |
| return false; |
| } |
| |
| static int |
| nv04_fb_init(struct nouveau_object *object) |
| { |
| struct nv04_fb_priv *priv = (void *)object; |
| int ret; |
| |
| ret = nouveau_fb_init(&priv->base); |
| if (ret) |
| return ret; |
| |
| /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows |
| * nvidia reading PFB_CFG_0, then writing back its original value. |
| * (which was 0x701114 in this case) |
| */ |
| nv_wr32(priv, NV04_PFB_CFG0, 0x1114); |
| return 0; |
| } |
| |
| int |
| nv04_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nv04_fb_impl *impl = (void *)oclass; |
| struct nv04_fb_priv *priv; |
| int ret; |
| |
| ret = nouveau_fb_create(parent, engine, oclass, &priv); |
| *pobject = nv_object(priv); |
| if (ret) |
| return ret; |
| |
| priv->base.tile.regions = impl->tile.regions; |
| priv->base.tile.init = impl->tile.init; |
| priv->base.tile.comp = impl->tile.comp; |
| priv->base.tile.fini = impl->tile.fini; |
| priv->base.tile.prog = impl->tile.prog; |
| return 0; |
| } |
| |
| struct nouveau_oclass * |
| nv04_fb_oclass = &(struct nv04_fb_impl) { |
| .base.base.handle = NV_SUBDEV(FB, 0x04), |
| .base.base.ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv04_fb_ctor, |
| .dtor = _nouveau_fb_dtor, |
| .init = nv04_fb_init, |
| .fini = _nouveau_fb_fini, |
| }, |
| .base.memtype = nv04_fb_memtype_valid, |
| .base.ram = &nv04_ram_oclass, |
| }.base.base; |