2 * Copyright 2012 Red Hat Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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
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27 #define NV04_PFB_CFG0 0x00100200
30 nv04_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags)
32 if (!(tile_flags & 0xff00))
39 nv04_fb_init(struct nouveau_object *object)
41 struct nv04_fb_priv *priv = (void *)object;
44 ret = nouveau_fb_init(&priv->base);
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)
52 nv_wr32(priv, NV04_PFB_CFG0, 0x1114);
57 nv04_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
58 struct nouveau_oclass *oclass, void *data, u32 size,
59 struct nouveau_object **pobject)
61 struct nv04_fb_impl *impl = (void *)oclass;
62 struct nv04_fb_priv *priv;
65 ret = nouveau_fb_create(parent, engine, oclass, &priv);
66 *pobject = nv_object(priv);
70 priv->base.tile.regions = impl->tile.regions;
71 priv->base.tile.init = impl->tile.init;
72 priv->base.tile.comp = impl->tile.comp;
73 priv->base.tile.fini = impl->tile.fini;
74 priv->base.tile.prog = impl->tile.prog;
78 struct nouveau_oclass *
79 nv04_fb_oclass = &(struct nv04_fb_impl) {
80 .base.base.handle = NV_SUBDEV(FB, 0x04),
81 .base.base.ofuncs = &(struct nouveau_ofuncs) {
83 .dtor = _nouveau_fb_dtor,
85 .fini = _nouveau_fb_fini,
87 .base.memtype = nv04_fb_memtype_valid,
88 .base.ram = &nv04_ram_oclass,