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
g98_devinit_disable(struct nvkm_devinit * init)30 g98_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 nvkm_subdev_disable(device, NVKM_ENGINE_MSPDEC, 0);
39 nvkm_subdev_disable(device, NVKM_ENGINE_MSVLD, 0);
40 nvkm_subdev_disable(device, NVKM_ENGINE_MSPPP, 0);
41 }
42
43 if (!(r00154c & 0x00000004))
44 nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
45 if (!(r00154c & 0x00000020))
46 nvkm_subdev_disable(device, NVKM_ENGINE_MSVLD, 0);
47 if (!(r00154c & 0x00000040))
48 nvkm_subdev_disable(device, NVKM_ENGINE_SEC, 0);
49
50 return disable;
51 }
52
53 static const struct nvkm_devinit_func
54 g98_devinit = {
55 .preinit = nv50_devinit_preinit,
56 .init = nv50_devinit_init,
57 .post = nv04_devinit_post,
58 .pll_set = nv50_devinit_pll_set,
59 .disable = g98_devinit_disable,
60 };
61
62 int
g98_devinit_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_devinit ** pinit)63 g98_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
64 struct nvkm_devinit **pinit)
65 {
66 return nv50_devinit_new_(&g98_devinit, device, type, inst, pinit);
67 }
68