xserver

sun_apm.c (7130B)

---

 /* Based on hw/xfree86/os-support/bsd/bsd_apm.c which bore no explicit
  * copyright notice, so is covered by the following notice:
  *
  * Copyright (C) 1994-2003 The XFree86 Project, Inc.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *
  * Except as contained in this notice, the name of the XFree86 Project shall
  * not be used in advertising or otherwise to promote the sale, use or other
  * dealings in this Software without prior written authorization from the
  * XFree86 Project.
  */
 
 /* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
 
 #ifdef HAVE_XORG_CONFIG_H
 #include <xorg-config.h>
 #endif
 
 #include <X11/X.h>
 #include "os.h"
 #include "xf86.h"
 #include "xf86Priv.h"
 #define XF86_OS_PRIVS
 #include "xf86_OSproc.h"
 #include "xf86_OSlib.h"
 
 #ifndef PLEASE_FIX_THIS
 #define APM_STANDBY_REQ 0xa01
 #define APM_SUSPEND_REQ 0xa02
 #define APM_NORMAL_RESUME 0xa03
 #define APM_CRIT_RESUME 0xa04
 #define APM_BATTERY_LOW 0xa05
 #define APM_POWER_CHANGE 0xa06
 #define APM_UPDATE_TIME 0xa07
 #define APM_CRIT_SUSPEND_REQ 0xa08
 #define APM_USER_STANDBY_REQ 0xa09
 #define APM_USER_SUSPEND_REQ 0xa0a
 #define APM_SYS_STANDBY_RESUME 0xa0b
 #define APM_IOC_NEXTEVENT 0xa0c
 #define APM_IOC_RESUME 0xa0d
 #define APM_IOC_SUSPEND 0xa0e
 #define APM_IOC_STANDBY 0xa0f
 #endif
 
 typedef struct apm_event_info {
     int type;
 } apm_event_info;
 
 /*
  This may be replaced with a better device name
  very soon...
 */
 #define APM_DEVICE "/dev/srn"
 #define APM_DEVICE1 "/dev/apm"
 
 static void *APMihPtr = NULL;
 static void sunCloseAPM(void);
 
 static struct {
     u_int apmBsd;
     pmEvent xf86;
 } sunToXF86Array[] = {
     {APM_STANDBY_REQ, XF86_APM_SYS_STANDBY},
     {APM_SUSPEND_REQ, XF86_APM_SYS_SUSPEND},
     {APM_NORMAL_RESUME, XF86_APM_NORMAL_RESUME},
     {APM_CRIT_RESUME, XF86_APM_CRITICAL_RESUME},
     {APM_BATTERY_LOW, XF86_APM_LOW_BATTERY},
     {APM_POWER_CHANGE, XF86_APM_POWER_STATUS_CHANGE},
     {APM_UPDATE_TIME, XF86_APM_UPDATE_TIME},
     {APM_CRIT_SUSPEND_REQ, XF86_APM_CRITICAL_SUSPEND},
     {APM_USER_STANDBY_REQ, XF86_APM_USER_STANDBY},
     {APM_USER_SUSPEND_REQ, XF86_APM_USER_SUSPEND},
     {APM_SYS_STANDBY_RESUME, XF86_APM_STANDBY_RESUME},
 #ifdef APM_CAPABILITY_CHANGE
     {APM_CAPABILITY_CHANGE, XF86_APM_CAPABILITY_CHANGED},
 #endif
 };
 
 static pmEvent
 sunToXF86(int type)
 {
     int i;
 
     for (i = 0; i < ARRAY_SIZE(sunToXF86Array); i++) {
         if (type == sunToXF86Array[i].apmBsd) {
             return sunToXF86Array[i].xf86;
         }
     }
     return XF86_APM_UNKNOWN;
 }
 
 /*
  * APM events can be requested directly from /dev/apm
  */
 static int
 sunPMGetEventFromOS(int fd, pmEvent * events, int num)
 {
     struct apm_event_info sunEvent;
     int i;
 
     for (i = 0; i < num; i++) {
 
         if (ioctl(fd, APM_IOC_NEXTEVENT, &sunEvent) < 0) {
             if (errno != EAGAIN) {
                 xf86Msg(X_WARNING, "sunPMGetEventFromOS: APM_IOC_NEXTEVENT"
                         " %s\n", strerror(errno));
             }
             break;
         }
         events[i] = sunToXF86(sunEvent.type);
     }
     xf86Msg(X_WARNING, "Got some events\n");
     return i;
 }
 
 static pmWait
 sunPMConfirmEventToOs(int fd, pmEvent event)
 {
     switch (event) {
 /* XXX: NOT CURRENTLY RETURNED FROM OS */
     case XF86_APM_SYS_STANDBY:
     case XF86_APM_USER_STANDBY:
         if (ioctl(fd, APM_IOC_STANDBY, NULL) == 0)
             return PM_WAIT;     /* should we stop the Xserver in standby, too? */
         else
             return PM_NONE;
     case XF86_APM_SYS_SUSPEND:
     case XF86_APM_CRITICAL_SUSPEND:
     case XF86_APM_USER_SUSPEND:
         xf86Msg(X_WARNING, "Got SUSPENDED\n");
         if (ioctl(fd, APM_IOC_SUSPEND, NULL) == 0)
             return PM_CONTINUE;
         else {
             xf86Msg(X_WARNING, "sunPMConfirmEventToOs: APM_IOC_SUSPEND"
                     " %s\n", strerror(errno));
             return PM_FAILED;
         }
     case XF86_APM_STANDBY_RESUME:
     case XF86_APM_NORMAL_RESUME:
     case XF86_APM_CRITICAL_RESUME:
     case XF86_APM_STANDBY_FAILED:
     case XF86_APM_SUSPEND_FAILED:
         xf86Msg(X_WARNING, "Got RESUME\n");
         if (ioctl(fd, APM_IOC_RESUME, NULL) == 0)
             return PM_CONTINUE;
         else {
             xf86Msg(X_WARNING, "sunPMConfirmEventToOs: APM_IOC_RESUME"
                     " %s\n", strerror(errno));
             return PM_FAILED;
         }
     default:
         return PM_NONE;
     }
 }
 
 PMClose
 xf86OSPMOpen(void)
 {
     int fd;
 
     if (APMihPtr || !xf86Info.pmFlag) {
         return NULL;
     }
 
     if ((fd = open(APM_DEVICE, O_RDWR)) == -1) {
         if ((fd = open(APM_DEVICE1, O_RDWR)) == -1) {
             return NULL;
         }
     }
     xf86PMGetEventFromOs = sunPMGetEventFromOS;
     xf86PMConfirmEventToOs = sunPMConfirmEventToOs;
     APMihPtr = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL);
     return sunCloseAPM;
 }
 
 static void
 sunCloseAPM(void)
 {
     int fd;
 
     if (APMihPtr) {
         fd = xf86RemoveGeneralHandler(APMihPtr);
         close(fd);
         APMihPtr = NULL;
     }
 }