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 "nv50.h"
25
26 #include <subdev/bios.h>
27 #include <subdev/bios/init.h>
28
29 static u64
30 g84_devinit_disable(struct nvkm_devinit *init)
31 {
32 struct nvkm_device *device = init->subdev.device;
33 u32 r001540 = nvkm_rd32(device, 0x001540);
34 u32 r00154c = nvkm_rd32(device, 0x00154c);
35 u64 disable = 0ULL;
36
37 if (!(r001540 & 0x40000000)) {
38 disable |= (1ULL << NVKM_ENGINE_MPEG);
39 disable |= (1ULL << NVKM_ENGINE_VP);
40 disable |= (1ULL << NVKM_ENGINE_BSP);
41 disable |= (1ULL << NVKM_ENGINE_CIPHER);
42 }
43
44 if (!(r00154c & 0x00000004))
45 disable |= (1ULL << NVKM_ENGINE_DISP);
46 if (!(r00154c & 0x00000020))
47 disable |= (1ULL << NVKM_ENGINE_BSP);
48 if (!(r00154c & 0x00000040))
49 disable |= (1ULL << NVKM_ENGINE_CIPHER);
50
51 return disable;
52 }
53
54 static const struct nvkm_devinit_func
55 g84_devinit = {
56 .preinit = nv50_devinit_preinit,
57 .init = nv50_devinit_init,
58 .post = nv04_devinit_post,
59 .pll_set = nv50_devinit_pll_set,
60 .disable = g84_devinit_disable,
61 };
62
63 int
64 g84_devinit_new(struct nvkm_device *device, int index,
65 struct nvkm_devinit **pinit)
66 {
67 return nv50_devinit_new_(&g84_devinit, device, index, pinit);
68 }