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
29u64
30gm107_devinit_disable(struct nvkm_devinit *devinit)
31{
32	struct nv50_devinit_priv *priv = (void *)devinit;
33	u32 r021c00 = nv_rd32(priv, 0x021c00);
34	u32 r021c04 = nv_rd32(priv, 0x021c04);
35	u64 disable = 0ULL;
36
37	if (r021c00 & 0x00000001)
38		disable |= (1ULL << NVDEV_ENGINE_CE0);
39	if (r021c00 & 0x00000004)
40		disable |= (1ULL << NVDEV_ENGINE_CE2);
41	if (r021c04 & 0x00000001)
42		disable |= (1ULL << NVDEV_ENGINE_DISP);
43
44	return disable;
45}
46
47struct nvkm_oclass *
48gm107_devinit_oclass = &(struct nvkm_devinit_impl) {
49	.base.handle = NV_SUBDEV(DEVINIT, 0x07),
50	.base.ofuncs = &(struct nvkm_ofuncs) {
51		.ctor = gf100_devinit_ctor,
52		.dtor = _nvkm_devinit_dtor,
53		.init = nv50_devinit_init,
54		.fini = _nvkm_devinit_fini,
55	},
56	.pll_set = gf100_devinit_pll_set,
57	.disable = gm107_devinit_disable,
58	.post = nvbios_init,
59}.base;
60