1 | /* $NetBSD: nouveau_core_subdev.c,v 1.3 2016/04/13 07:59:05 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2012 Red Hat Inc. |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), |
8 | * to deal in the Software without restriction, including without limitation |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
10 | * and/or sell copies of the Software, and to permit persons to whom the |
11 | * Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
22 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | * Authors: Ben Skeggs |
25 | */ |
26 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_core_subdev.c,v 1.3 2016/04/13 07:59:05 riastradh Exp $" ); |
29 | |
30 | #include <core/object.h> |
31 | #include <core/subdev.h> |
32 | #include <core/device.h> |
33 | #include <core/option.h> |
34 | |
35 | void |
36 | nouveau_subdev_reset(struct nouveau_object *subdev) |
37 | { |
38 | nv_trace(subdev, "resetting...\n" ); |
39 | nv_ofuncs(subdev)->fini(subdev, false); |
40 | nv_debug(subdev, "reset\n" ); |
41 | } |
42 | |
43 | int |
44 | nouveau_subdev_init(struct nouveau_subdev *subdev) |
45 | { |
46 | int ret = nouveau_object_init(&subdev->base); |
47 | if (ret) |
48 | return ret; |
49 | |
50 | nouveau_subdev_reset(&subdev->base); |
51 | return 0; |
52 | } |
53 | |
54 | int |
55 | _nouveau_subdev_init(struct nouveau_object *object) |
56 | { |
57 | return nouveau_subdev_init(nv_subdev(object)); |
58 | } |
59 | |
60 | int |
61 | nouveau_subdev_fini(struct nouveau_subdev *subdev, bool suspend) |
62 | { |
63 | if (subdev->unit) { |
64 | nv_mask(subdev, 0x000200, subdev->unit, 0x00000000); |
65 | nv_mask(subdev, 0x000200, subdev->unit, subdev->unit); |
66 | } |
67 | |
68 | return nouveau_object_fini(&subdev->base, suspend); |
69 | } |
70 | |
71 | int |
72 | _nouveau_subdev_fini(struct nouveau_object *object, bool suspend) |
73 | { |
74 | return nouveau_subdev_fini(nv_subdev(object), suspend); |
75 | } |
76 | |
77 | void |
78 | nouveau_subdev_destroy(struct nouveau_subdev *subdev) |
79 | { |
80 | int subidx = nv_hclass(subdev) & 0xff; |
81 | nv_device(subdev)->subdev[subidx] = NULL; |
82 | linux_mutex_destroy(&subdev->mutex); |
83 | nouveau_object_destroy(&subdev->base); |
84 | } |
85 | |
86 | void |
87 | _nouveau_subdev_dtor(struct nouveau_object *object) |
88 | { |
89 | nouveau_subdev_destroy(nv_subdev(object)); |
90 | } |
91 | |
92 | int |
93 | nouveau_subdev_create_(struct nouveau_object *parent, |
94 | struct nouveau_object *engine, |
95 | struct nouveau_oclass *oclass, u32 pclass, |
96 | const char *subname, const char *sysname, |
97 | int size, void **pobject) |
98 | { |
99 | struct nouveau_subdev *subdev; |
100 | int ret; |
101 | |
102 | ret = nouveau_object_create_(parent, engine, oclass, pclass | |
103 | NV_SUBDEV_CLASS, size, pobject); |
104 | subdev = *pobject; |
105 | if (ret) |
106 | return ret; |
107 | |
108 | __mutex_init(&subdev->mutex, subname, &oclass->lock_class_key); |
109 | subdev->name = subname; |
110 | |
111 | if (parent) { |
112 | struct nouveau_device *device = nv_device(parent); |
113 | subdev->debug = nouveau_dbgopt(device->dbgopt, subname); |
114 | #ifdef __NetBSD__ |
115 | subdev->mmiot = nv_subdev(device)->mmiot; |
116 | subdev->mmioh = nv_subdev(device)->mmioh; |
117 | subdev->mmiosz = nv_subdev(device)->mmiosz; |
118 | #else |
119 | subdev->mmio = nv_subdev(device)->mmio; |
120 | #endif |
121 | } |
122 | |
123 | return 0; |
124 | } |
125 | |