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1d7c71a3 BS |
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 | ||
377b1f16 | 25 | #include "priv.h" |
7a014a87 BS |
26 | #include "outp.h" |
27 | #include "conn.h" | |
28 | ||
29 | static int | |
30 | nouveau_disp_hpd_check(struct nouveau_event *event, u32 types, int index) | |
31 | { | |
32 | struct nouveau_disp *disp = event->priv; | |
33 | struct nvkm_output *outp; | |
34 | list_for_each_entry(outp, &disp->outp, head) { | |
35 | if (outp->conn->index == index) { | |
36 | if (outp->conn->hpd.event) | |
37 | return 0; | |
38 | break; | |
39 | } | |
40 | } | |
41 | return -ENOSYS; | |
42 | } | |
377b1f16 BS |
43 | |
44 | int | |
45 | _nouveau_disp_fini(struct nouveau_object *object, bool suspend) | |
46 | { | |
47 | struct nouveau_disp *disp = (void *)object; | |
7a014a87 BS |
48 | struct nvkm_output *outp; |
49 | int ret; | |
50 | ||
51 | list_for_each_entry(outp, &disp->outp, head) { | |
52 | ret = nv_ofuncs(outp)->fini(nv_object(outp), suspend); | |
53 | if (ret && suspend) | |
54 | goto fail_outp; | |
55 | } | |
56 | ||
377b1f16 | 57 | return nouveau_engine_fini(&disp->base, suspend); |
7a014a87 BS |
58 | |
59 | fail_outp: | |
60 | list_for_each_entry_continue_reverse(outp, &disp->outp, head) { | |
61 | nv_ofuncs(outp)->init(nv_object(outp)); | |
62 | } | |
63 | ||
64 | return ret; | |
377b1f16 BS |
65 | } |
66 | ||
67 | int | |
68 | _nouveau_disp_init(struct nouveau_object *object) | |
69 | { | |
7a014a87 BS |
70 | struct nouveau_disp *disp = (void *)object; |
71 | struct nvkm_output *outp; | |
72 | int ret; | |
73 | ||
74 | ret = nouveau_engine_init(&disp->base); | |
75 | if (ret) | |
76 | return ret; | |
77 | ||
78 | list_for_each_entry(outp, &disp->outp, head) { | |
79 | ret = nv_ofuncs(outp)->init(nv_object(outp)); | |
80 | if (ret) | |
81 | goto fail_outp; | |
82 | } | |
83 | ||
84 | return ret; | |
85 | ||
86 | fail_outp: | |
87 | list_for_each_entry_continue_reverse(outp, &disp->outp, head) { | |
88 | nv_ofuncs(outp)->fini(nv_object(outp), false); | |
89 | } | |
90 | ||
91 | return ret; | |
377b1f16 | 92 | } |
1d7c71a3 BS |
93 | |
94 | void | |
95 | _nouveau_disp_dtor(struct nouveau_object *object) | |
96 | { | |
97 | struct nouveau_disp *disp = (void *)object; | |
7a014a87 BS |
98 | struct nvkm_output *outp, *outt; |
99 | ||
1d7c71a3 | 100 | nouveau_event_destroy(&disp->vblank); |
7a014a87 | 101 | |
242a42ea ML |
102 | if (disp->outp.next) { |
103 | list_for_each_entry_safe(outp, outt, &disp->outp, head) { | |
104 | nouveau_object_ref(NULL, (struct nouveau_object **)&outp); | |
105 | } | |
7a014a87 BS |
106 | } |
107 | ||
1d7c71a3 BS |
108 | nouveau_engine_destroy(&disp->base); |
109 | } | |
110 | ||
111 | int | |
112 | nouveau_disp_create_(struct nouveau_object *parent, | |
113 | struct nouveau_object *engine, | |
114 | struct nouveau_oclass *oclass, int heads, | |
115 | const char *intname, const char *extname, | |
116 | int length, void **pobject) | |
117 | { | |
7a014a87 BS |
118 | struct nouveau_disp_impl *impl = (void *)oclass; |
119 | struct nouveau_bios *bios = nouveau_bios(parent); | |
1d7c71a3 | 120 | struct nouveau_disp *disp; |
7a014a87 BS |
121 | struct nouveau_oclass **sclass; |
122 | struct nouveau_object *object; | |
123 | struct dcb_output dcbE; | |
124 | u8 hpd = 0, ver, hdr; | |
125 | u32 data; | |
126 | int ret, i; | |
1d7c71a3 BS |
127 | |
128 | ret = nouveau_engine_create_(parent, engine, oclass, true, | |
129 | intname, extname, length, pobject); | |
130 | disp = *pobject; | |
131 | if (ret) | |
132 | return ret; | |
133 | ||
7a014a87 BS |
134 | INIT_LIST_HEAD(&disp->outp); |
135 | ||
136 | /* create output objects for each display path in the vbios */ | |
137 | i = -1; | |
138 | while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) { | |
139 | if (dcbE.type == DCB_OUTPUT_UNUSED) | |
140 | continue; | |
141 | if (dcbE.type == DCB_OUTPUT_EOL) | |
142 | break; | |
143 | data = dcbE.location << 4 | dcbE.type; | |
144 | ||
145 | oclass = nvkm_output_oclass; | |
146 | sclass = impl->outp; | |
147 | while (sclass && sclass[0]) { | |
148 | if (sclass[0]->handle == data) { | |
149 | oclass = sclass[0]; | |
150 | break; | |
151 | } | |
152 | sclass++; | |
153 | } | |
154 | ||
155 | nouveau_object_ctor(*pobject, *pobject, oclass, | |
156 | &dcbE, i, &object); | |
157 | hpd = max(hpd, (u8)(dcbE.connector + 1)); | |
158 | } | |
159 | ||
160 | ret = nouveau_event_create(3, hpd, &disp->hpd); | |
161 | if (ret) | |
162 | return ret; | |
163 | ||
164 | disp->hpd->priv = disp; | |
165 | disp->hpd->check = nouveau_disp_hpd_check; | |
166 | ||
377b1f16 BS |
167 | ret = nouveau_event_create(1, heads, &disp->vblank); |
168 | if (ret) | |
169 | return ret; | |
170 | ||
171 | return 0; | |
1d7c71a3 | 172 | } |