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a09e091a JB |
1 | /* |
2 | * Copyright (c) 2000-2002 by The XFree86 Project, 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 | * Except as contained in this notice, the name of the copyright holder(s) | |
23 | * and author(s) shall not be used in advertising or otherwise to promote | |
24 | * the sale, use or other dealings in this Software without prior written | |
25 | * authorization from the copyright holder(s) and author(s). | |
26 | */ | |
27 | ||
28 | #ifdef HAVE_XORG_CONFIG_H | |
29 | #include <xorg-config.h> | |
30 | #endif | |
31 | ||
32 | #include <X11/X.h> | |
33 | #include "xf86.h" | |
34 | #include "xf86Priv.h" | |
35 | #include "xf86Xinput.h" | |
36 | #include "xf86_OSproc.h" | |
37 | ||
38 | int (*xf86PMGetEventFromOs) (int fd, pmEvent * events, int num) = NULL; | |
39 | pmWait (*xf86PMConfirmEventToOs) (int fd, pmEvent event) = NULL; | |
40 | ||
41 | static Bool suspended = FALSE; | |
42 | ||
43 | static int | |
44 | eventName(pmEvent event, const char **str) | |
45 | { | |
46 | switch (event) { | |
47 | case XF86_APM_SYS_STANDBY: | |
48 | *str = "System Standby Request"; | |
49 | return 0; | |
50 | case XF86_APM_SYS_SUSPEND: | |
51 | *str = "System Suspend Request"; | |
52 | return 0; | |
53 | case XF86_APM_CRITICAL_SUSPEND: | |
54 | *str = "Critical Suspend"; | |
55 | return 0; | |
56 | case XF86_APM_USER_STANDBY: | |
57 | *str = "User System Standby Request"; | |
58 | return 0; | |
59 | case XF86_APM_USER_SUSPEND: | |
60 | *str = "User System Suspend Request"; | |
61 | return 0; | |
62 | case XF86_APM_STANDBY_RESUME: | |
63 | *str = "System Standby Resume"; | |
64 | return 0; | |
65 | case XF86_APM_NORMAL_RESUME: | |
66 | *str = "Normal Resume System"; | |
67 | return 0; | |
68 | case XF86_APM_CRITICAL_RESUME: | |
69 | *str = "Critical Resume System"; | |
70 | return 0; | |
71 | case XF86_APM_LOW_BATTERY: | |
72 | *str = "Battery Low"; | |
73 | return 3; | |
74 | case XF86_APM_POWER_STATUS_CHANGE: | |
75 | *str = "Power Status Change"; | |
76 | return 3; | |
77 | case XF86_APM_UPDATE_TIME: | |
78 | *str = "Update Time"; | |
79 | return 3; | |
80 | case XF86_APM_CAPABILITY_CHANGED: | |
81 | *str = "Capability Changed"; | |
82 | return 3; | |
83 | case XF86_APM_STANDBY_FAILED: | |
84 | *str = "Standby Request Failed"; | |
85 | return 0; | |
86 | case XF86_APM_SUSPEND_FAILED: | |
87 | *str = "Suspend Request Failed"; | |
88 | return 0; | |
89 | default: | |
90 | *str = "Unknown Event"; | |
91 | return 0; | |
92 | } | |
93 | } | |
94 | ||
95 | static void | |
96 | suspend(pmEvent event, Bool undo) | |
97 | { | |
98 | int i; | |
99 | InputInfoPtr pInfo; | |
100 | ||
101 | for (i = 0; i < xf86NumScreens; i++) { | |
102 | if (xf86Screens[i]->EnableDisableFBAccess) | |
103 | (*xf86Screens[i]->EnableDisableFBAccess) (xf86Screens[i], FALSE); | |
104 | } | |
105 | pInfo = xf86InputDevs; | |
106 | while (pInfo) { | |
107 | DisableDevice(pInfo->dev, TRUE); | |
108 | pInfo = pInfo->next; | |
109 | } | |
110 | OsBlockSIGIO(); | |
111 | for (i = 0; i < xf86NumScreens; i++) { | |
112 | if (xf86Screens[i]->PMEvent) | |
113 | xf86Screens[i]->PMEvent(xf86Screens[i], event, undo); | |
114 | else { | |
115 | xf86Screens[i]->LeaveVT(xf86Screens[i]); | |
116 | xf86Screens[i]->vtSema = FALSE; | |
117 | } | |
118 | } | |
119 | xf86AccessLeave(); | |
120 | ||
121 | } | |
122 | ||
123 | static void | |
124 | resume(pmEvent event, Bool undo) | |
125 | { | |
126 | int i; | |
127 | InputInfoPtr pInfo; | |
128 | ||
129 | xf86AccessEnter(); | |
130 | for (i = 0; i < xf86NumScreens; i++) { | |
131 | if (xf86Screens[i]->PMEvent) | |
132 | xf86Screens[i]->PMEvent(xf86Screens[i], event, undo); | |
133 | else { | |
134 | xf86Screens[i]->vtSema = TRUE; | |
135 | xf86Screens[i]->EnterVT(xf86Screens[i]); | |
136 | } | |
137 | } | |
138 | OsReleaseSIGIO(); | |
139 | for (i = 0; i < xf86NumScreens; i++) { | |
140 | if (xf86Screens[i]->EnableDisableFBAccess) | |
141 | (*xf86Screens[i]->EnableDisableFBAccess) (xf86Screens[i], TRUE); | |
142 | } | |
143 | dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); | |
144 | pInfo = xf86InputDevs; | |
145 | while (pInfo) { | |
146 | EnableDevice(pInfo->dev, TRUE); | |
147 | pInfo = pInfo->next; | |
148 | } | |
149 | } | |
150 | ||
151 | static void | |
152 | DoApmEvent(pmEvent event, Bool undo) | |
153 | { | |
154 | int i; | |
155 | ||
156 | switch (event) { | |
157 | #if 0 | |
158 | case XF86_APM_SYS_STANDBY: | |
159 | case XF86_APM_USER_STANDBY: | |
160 | #endif | |
161 | case XF86_APM_SYS_SUSPEND: | |
162 | case XF86_APM_CRITICAL_SUSPEND: /*do we want to delay a critical suspend? */ | |
163 | case XF86_APM_USER_SUSPEND: | |
164 | /* should we do this ? */ | |
165 | if (!undo && !suspended) { | |
166 | suspend(event, undo); | |
167 | suspended = TRUE; | |
168 | } | |
169 | else if (undo && suspended) { | |
170 | resume(event, undo); | |
171 | suspended = FALSE; | |
172 | } | |
173 | break; | |
174 | #if 0 | |
175 | case XF86_APM_STANDBY_RESUME: | |
176 | #endif | |
177 | case XF86_APM_NORMAL_RESUME: | |
178 | case XF86_APM_CRITICAL_RESUME: | |
179 | if (suspended) { | |
180 | resume(event, undo); | |
181 | suspended = FALSE; | |
182 | } | |
183 | break; | |
184 | default: | |
185 | OsBlockSIGIO(); | |
186 | for (i = 0; i < xf86NumScreens; i++) { | |
187 | if (xf86Screens[i]->PMEvent) { | |
188 | xf86Screens[i]->PMEvent(xf86Screens[i], event, undo); | |
189 | } | |
190 | } | |
191 | OsReleaseSIGIO(); | |
192 | break; | |
193 | } | |
194 | } | |
195 | ||
196 | #define MAX_NO_EVENTS 8 | |
197 | ||
198 | void | |
199 | xf86HandlePMEvents(int fd, pointer data) | |
200 | { | |
201 | pmEvent events[MAX_NO_EVENTS]; | |
202 | int i, n; | |
203 | Bool wait = FALSE; | |
204 | ||
205 | if (!xf86PMGetEventFromOs) | |
206 | return; | |
207 | ||
208 | if ((n = xf86PMGetEventFromOs(fd, events, MAX_NO_EVENTS))) { | |
209 | do { | |
210 | for (i = 0; i < n; i++) { | |
211 | const char *str = NULL; | |
212 | int verb = eventName(events[i], &str); | |
213 | ||
214 | xf86MsgVerb(X_INFO, verb, "PM Event received: %s\n", str); | |
215 | DoApmEvent(events[i], FALSE); | |
216 | switch (xf86PMConfirmEventToOs(fd, events[i])) { | |
217 | case PM_WAIT: | |
218 | wait = TRUE; | |
219 | break; | |
220 | case PM_CONTINUE: | |
221 | wait = FALSE; | |
222 | break; | |
223 | case PM_FAILED: | |
224 | DoApmEvent(events[i], TRUE); | |
225 | wait = FALSE; | |
226 | break; | |
227 | default: | |
228 | break; | |
229 | } | |
230 | } | |
231 | if (wait) | |
232 | n = xf86PMGetEventFromOs(fd, events, MAX_NO_EVENTS); | |
233 | else | |
234 | break; | |
235 | } while (1); | |
236 | } | |
237 | } |