1/*
2 * Copyright 2012 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 "priv.h"
25
26#include <core/option.h>
27#include <subdev/vga.h>
28
29u32
30nvkm_devinit_mmio(struct nvkm_devinit *init, u32 addr)
31{
32	if (init->func->mmio)
33		addr = init->func->mmio(init, addr);
34	return addr;
35}
36
37int
38nvkm_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 khz)
39{
40	return init->func->pll_set(init, type, khz);
41}
42
43void
44nvkm_devinit_meminit(struct nvkm_devinit *init)
45{
46	if (init->func->meminit)
47		init->func->meminit(init);
48}
49
50u64
51nvkm_devinit_disable(struct nvkm_devinit *init)
52{
53	if (init && init->func->disable)
54		init->func->disable(init);
55
56	return 0;
57}
58
59int
60nvkm_devinit_post(struct nvkm_devinit *init)
61{
62	int ret = 0;
63	if (init && init->func->post)
64		ret = init->func->post(init, init->post);
65	nvkm_devinit_disable(init);
66	return ret;
67}
68
69static int
70nvkm_devinit_fini(struct nvkm_subdev *subdev, bool suspend)
71{
72	struct nvkm_devinit *init = nvkm_devinit(subdev);
73	/* force full reinit on resume */
74	if (suspend)
75		init->post = true;
76	return 0;
77}
78
79static int
80nvkm_devinit_preinit(struct nvkm_subdev *subdev)
81{
82	struct nvkm_devinit *init = nvkm_devinit(subdev);
83
84	if (init->func->preinit)
85		init->func->preinit(init);
86
87	/* Override the post flag during the first call if NvForcePost is set */
88	if (init->force_post) {
89		init->post = init->force_post;
90		init->force_post = false;
91	}
92
93	/* unlock the extended vga crtc regs */
94	nvkm_lockvgac(subdev->device, false);
95	return 0;
96}
97
98static int
99nvkm_devinit_init(struct nvkm_subdev *subdev)
100{
101	struct nvkm_devinit *init = nvkm_devinit(subdev);
102	if (init->func->init)
103		init->func->init(init);
104	return 0;
105}
106
107static void *
108nvkm_devinit_dtor(struct nvkm_subdev *subdev)
109{
110	struct nvkm_devinit *init = nvkm_devinit(subdev);
111	void *data = init;
112
113	if (init->func->dtor)
114		data = init->func->dtor(init);
115
116	/* lock crtc regs */
117	nvkm_lockvgac(subdev->device, true);
118	return data;
119}
120
121static const struct nvkm_subdev_func
122nvkm_devinit = {
123	.dtor = nvkm_devinit_dtor,
124	.preinit = nvkm_devinit_preinit,
125	.init = nvkm_devinit_init,
126	.fini = nvkm_devinit_fini,
127};
128
129void
130nvkm_devinit_ctor(const struct nvkm_devinit_func *func, struct nvkm_device *device,
131		  enum nvkm_subdev_type type, int inst, struct nvkm_devinit *init)
132{
133	nvkm_subdev_ctor(&nvkm_devinit, device, type, inst, &init->subdev);
134	init->func = func;
135	init->force_post = nvkm_boolopt(device->cfgopt, "NvForcePost", false);
136}
137