1/*
2 * Copyright 2013 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24#include "nv40.h"
25
26static int
27nv49_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
28		struct nvkm_oclass *oclass, void *data, u32 size,
29		struct nvkm_object **pobject)
30{
31	struct nvkm_fb *pfb = nvkm_fb(parent);
32	struct nv40_ram *ram;
33	u32 pfb914 = nv_rd32(pfb, 0x100914);
34	int ret;
35
36	ret = nvkm_ram_create(parent, engine, oclass, &ram);
37	*pobject = nv_object(ram);
38	if (ret)
39		return ret;
40
41	switch (pfb914 & 0x00000003) {
42	case 0x00000000: ram->base.type = NV_MEM_TYPE_DDR1; break;
43	case 0x00000001: ram->base.type = NV_MEM_TYPE_DDR2; break;
44	case 0x00000002: ram->base.type = NV_MEM_TYPE_GDDR3; break;
45	case 0x00000003: break;
46	}
47
48	ram->base.size  =  nv_rd32(pfb, 0x10020c) & 0xff000000;
49	ram->base.parts = (nv_rd32(pfb, 0x100200) & 0x00000003) + 1;
50	ram->base.tags  =  nv_rd32(pfb, 0x100320);
51	ram->base.calc = nv40_ram_calc;
52	ram->base.prog = nv40_ram_prog;
53	ram->base.tidy = nv40_ram_tidy;
54	return 0;
55}
56
57struct nvkm_oclass
58nv49_ram_oclass = {
59	.handle = 0,
60	.ofuncs = &(struct nvkm_ofuncs) {
61		.ctor = nv49_ram_create,
62		.dtor = _nvkm_ram_dtor,
63		.init = _nvkm_ram_init,
64		.fini = _nvkm_ram_fini,
65	}
66};
67