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
29static u64
30g98_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_MSPDEC);
39		disable |= (1ULL << NVKM_ENGINE_MSVLD);
40		disable |= (1ULL << NVKM_ENGINE_MSPPP);
41	}
42
43	if (!(r00154c & 0x00000004))
44		disable |= (1ULL << NVKM_ENGINE_DISP);
45	if (!(r00154c & 0x00000020))
46		disable |= (1ULL << NVKM_ENGINE_MSVLD);
47	if (!(r00154c & 0x00000040))
48		disable |= (1ULL << NVKM_ENGINE_SEC);
49
50	return disable;
51}
52
53static const struct nvkm_devinit_func
54g98_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
62int
63g98_devinit_new(struct nvkm_device *device, int index,
64		struct nvkm_devinit **pinit)
65{
66	return nv50_devinit_new_(&g98_devinit, device, index, pinit);
67}
68