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
30g84_devinit_disable(struct nvkm_devinit *devinit)
31{
32	struct nv50_devinit_priv *priv = (void *)devinit;
33	u32 r001540 = nv_rd32(priv, 0x001540);
34	u32 r00154c = nv_rd32(priv, 0x00154c);
35	u64 disable = 0ULL;
36
37	if (!(r001540 & 0x40000000)) {
38		disable |= (1ULL << NVDEV_ENGINE_MPEG);
39		disable |= (1ULL << NVDEV_ENGINE_VP);
40		disable |= (1ULL << NVDEV_ENGINE_BSP);
41		disable |= (1ULL << NVDEV_ENGINE_CIPHER);
42	}
43
44	if (!(r00154c & 0x00000004))
45		disable |= (1ULL << NVDEV_ENGINE_DISP);
46	if (!(r00154c & 0x00000020))
47		disable |= (1ULL << NVDEV_ENGINE_BSP);
48	if (!(r00154c & 0x00000040))
49		disable |= (1ULL << NVDEV_ENGINE_CIPHER);
50
51	return disable;
52}
53
54struct nvkm_oclass *
55g84_devinit_oclass = &(struct nvkm_devinit_impl) {
56	.base.handle = NV_SUBDEV(DEVINIT, 0x84),
57	.base.ofuncs = &(struct nvkm_ofuncs) {
58		.ctor = nv50_devinit_ctor,
59		.dtor = _nvkm_devinit_dtor,
60		.init = nv50_devinit_init,
61		.fini = _nvkm_devinit_fini,
62	},
63	.pll_set = nv50_devinit_pll_set,
64	.disable = g84_devinit_disable,
65	.post = nvbios_init,
66}.base;
67