| 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 | } |