2 * Copyright (C) 2010 Francisco Jerez.
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:
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.
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.
27 #include <subdev/fb.h>
30 struct nouveau_fb base;
34 nv49_fb_vram_init(struct nouveau_fb *pfb)
36 u32 pfb914 = nv_rd32(pfb, 0x100914);
38 switch (pfb914 & 0x00000003) {
39 case 0x00000000: pfb->ram.type = NV_MEM_TYPE_DDR1; break;
40 case 0x00000001: pfb->ram.type = NV_MEM_TYPE_DDR2; break;
41 case 0x00000002: pfb->ram.type = NV_MEM_TYPE_GDDR3; break;
42 case 0x00000003: break;
45 pfb->ram.size = nv_rd32(pfb, 0x10020c) & 0xff000000;
46 pfb->ram.parts = (nv_rd32(pfb, 0x100200) & 0x00000003) + 1;
47 return nv_rd32(pfb, 0x100320);
51 nv49_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
52 struct nouveau_oclass *oclass, void *data, u32 size,
53 struct nouveau_object **pobject)
55 struct nv49_fb_priv *priv;
58 ret = nouveau_fb_create(parent, engine, oclass, &priv);
59 *pobject = nv_object(priv);
63 priv->base.memtype_valid = nv04_fb_memtype_valid;
64 priv->base.ram.init = nv49_fb_vram_init;
65 priv->base.tile.regions = 15;
66 priv->base.tile.init = nv30_fb_tile_init;
67 priv->base.tile.comp = nv40_fb_tile_comp;
68 priv->base.tile.fini = nv20_fb_tile_fini;
69 priv->base.tile.prog = nv41_fb_tile_prog;
71 return nouveau_fb_preinit(&priv->base);
77 .handle = NV_SUBDEV(FB, 0x49),
78 .ofuncs = &(struct nouveau_ofuncs) {
80 .dtor = _nouveau_fb_dtor,
82 .fini = _nouveau_fb_fini,