1 | /* $NetBSD: nouveau_subdev_fb_ramnv49.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_ramnv49.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
29 | |
30 | #include "nv40.h" |
31 | |
32 | static int |
33 | nv49_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 pfb914 = nv_rd32(pfb, 0x100914); |
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 | switch (pfb914 & 0x00000003) { |
48 | case 0x00000000: ram->base.type = NV_MEM_TYPE_DDR1; break; |
49 | case 0x00000001: ram->base.type = NV_MEM_TYPE_DDR2; break; |
50 | case 0x00000002: ram->base.type = NV_MEM_TYPE_GDDR3; break; |
51 | case 0x00000003: break; |
52 | } |
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 | |
63 | struct nouveau_oclass |
64 | nv49_ram_oclass = { |
65 | .handle = 0, |
66 | .ofuncs = &(struct nouveau_ofuncs) { |
67 | .ctor = nv49_ram_create, |
68 | .dtor = _nouveau_ram_dtor, |
69 | .init = _nouveau_ram_init, |
70 | .fini = _nouveau_ram_fini, |
71 | } |
72 | }; |
73 | |