1/* $NetBSD: nouveau_subdev_fb_ramnv41.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $ */
2
3/*
4 * Copyright 2013 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26
27#include <sys/cdefs.h>
28__KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_fb_ramnv41.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $");
29
30#include "nv40.h"
31
32static int
33nv41_ram_create(struct nouveau_object *parent, struct nouveau_object *engine,
34 struct nouveau_oclass *oclass, void *data, u32 size,
35 struct nouveau_object **pobject)
36{
37 struct nouveau_fb *pfb = nouveau_fb(parent);
38 struct nv40_ram *ram;
39 u32 pfb474 = nv_rd32(pfb, 0x100474);
40 int ret;
41
42 ret = nouveau_ram_create(parent, engine, oclass, &ram);
43 *pobject = nv_object(ram);
44 if (ret)
45 return ret;
46
47 if (pfb474 & 0x00000004)
48 ram->base.type = NV_MEM_TYPE_GDDR3;
49 if (pfb474 & 0x00000002)
50 ram->base.type = NV_MEM_TYPE_DDR2;
51 if (pfb474 & 0x00000001)
52 ram->base.type = NV_MEM_TYPE_DDR1;
53
54 ram->base.size = nv_rd32(pfb, 0x10020c) & 0xff000000;
55 ram->base.parts = (nv_rd32(pfb, 0x100200) & 0x00000003) + 1;
56 ram->base.tags = nv_rd32(pfb, 0x100320);
57 ram->base.calc = nv40_ram_calc;
58 ram->base.prog = nv40_ram_prog;
59 ram->base.tidy = nv40_ram_tidy;
60 return 0;
61}
62
63struct nouveau_oclass
64nv41_ram_oclass = {
65 .handle = 0,
66 .ofuncs = &(struct nouveau_ofuncs) {
67 .ctor = nv41_ram_create,
68 .dtor = _nouveau_ram_dtor,
69 .init = _nouveau_ram_init,
70 .fini = _nouveau_ram_fini,
71 }
72};
73