2 * Copyright 2013 Red Hat Inc.
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:
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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28 nv49_ram_create(struct nouveau_object *parent, struct nouveau_object *engine,
29 struct nouveau_oclass *oclass, void *data, u32 size,
30 struct nouveau_object **pobject)
32 struct nouveau_fb *pfb = nouveau_fb(parent);
33 struct nouveau_ram *ram;
34 u32 pfb914 = nv_rd32(pfb, 0x100914);
37 ret = nouveau_ram_create(parent, engine, oclass, &ram);
38 *pobject = nv_object(ram);
42 switch (pfb914 & 0x00000003) {
43 case 0x00000000: pfb->ram->type = NV_MEM_TYPE_DDR1; break;
44 case 0x00000001: pfb->ram->type = NV_MEM_TYPE_DDR2; break;
45 case 0x00000002: pfb->ram->type = NV_MEM_TYPE_GDDR3; break;
46 case 0x00000003: break;
49 pfb->ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000;
50 pfb->ram->parts = (nv_rd32(pfb, 0x100200) & 0x00000003) + 1;
51 pfb->ram->tags = nv_rd32(pfb, 0x100320);
58 .ofuncs = &(struct nouveau_ofuncs) {
59 .ctor = nv49_ram_create,
60 .dtor = _nouveau_ram_dtor,
61 .init = _nouveau_ram_init,
62 .fini = _nouveau_ram_fini,