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861d2107 BS |
1 | /* |
2 | * Copyright 2012 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 | */ | |
03c8952f | 24 | #include "priv.h" |
d36a99d2 | 25 | #include "ram.h" |
639c308e | 26 | #include "regsnv04.h" |
861d2107 | 27 | |
861d2107 | 28 | bool |
b1e4553c | 29 | nv04_fb_memtype_valid(struct nvkm_fb *fb, u32 tile_flags) |
861d2107 BS |
30 | { |
31 | if (!(tile_flags & 0xff00)) | |
32 | return true; | |
861d2107 BS |
33 | return false; |
34 | } | |
35 | ||
03c8952f BS |
36 | static void |
37 | nv04_fb_init(struct nvkm_fb *fb) | |
7ad2d31c | 38 | { |
6758745b | 39 | struct nvkm_device *device = fb->subdev.device; |
861d2107 BS |
40 | |
41 | /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows | |
42 | * nvidia reading PFB_CFG_0, then writing back its original value. | |
43 | * (which was 0x701114 in this case) | |
44 | */ | |
6758745b | 45 | nvkm_wr32(device, NV04_PFB_CFG0, 0x1114); |
861d2107 | 46 | } |
7ad2d31c | 47 | |
03c8952f BS |
48 | static const struct nvkm_fb_func |
49 | nv04_fb = { | |
50 | .init = nv04_fb_init, | |
51 | .ram_new = nv04_ram_new, | |
52 | .memtype_valid = nv04_fb_memtype_valid, | |
53 | }; | |
54 | ||
20cdeaf9 | 55 | int |
03c8952f | 56 | nv04_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) |
861d2107 | 57 | { |
03c8952f | 58 | return nvkm_fb_new_(&nv04_fb, device, index, pfb); |
6ee73861 | 59 | } |