138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include "os.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#define XF86_OS_PRIVS
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#include "xf86_OSproc.h"
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#include "xf86_OSlib.h"
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#include <machine/apmvar.h>
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#define APM_DEVICE "/dev/apm"
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static void *APMihPtr = NULL;
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static void bsdCloseAPM(void);
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static struct {
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u_int apmBsd;
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pmEvent xf86;
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} bsdToXF86Array[] = {
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{APM_STANDBY_REQ, XF86_APM_SYS_STANDBY},
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{APM_SUSPEND_REQ, XF86_APM_SYS_SUSPEND},
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{APM_NORMAL_RESUME, XF86_APM_NORMAL_RESUME},
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{APM_CRIT_RESUME, XF86_APM_CRITICAL_RESUME},
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{APM_BATTERY_LOW, XF86_APM_LOW_BATTERY},
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{APM_POWER_CHANGE, XF86_APM_POWER_STATUS_CHANGE},
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{APM_UPDATE_TIME, XF86_APM_UPDATE_TIME},
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{APM_CRIT_SUSPEND_REQ, XF86_APM_CRITICAL_SUSPEND},
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{APM_USER_STANDBY_REQ, XF86_APM_USER_STANDBY},
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{APM_USER_SUSPEND_REQ, XF86_APM_USER_SUSPEND},
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{APM_SYS_STANDBY_RESUME, XF86_APM_STANDBY_RESUME},
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#ifdef APM_CAPABILITY_CHANGE
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{APM_CAPABILITY_CHANGE, XF86_APM_CAPABILITY_CHANGED},
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#endif
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};
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static pmEvent
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bsdToXF86(int type)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(bsdToXF86Array); i++) {
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if (type == bsdToXF86Array[i].apmBsd) {
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return bsdToXF86Array[i].xf86;
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}
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}
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return XF86_APM_UNKNOWN;
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}
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/*
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* APM events can be requested direclty from /dev/apm
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*/
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static int
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bsdPMGetEventFromOS(int fd, pmEvent * events, int num)
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{
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struct apm_event_info bsdEvent;
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int i;
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for (i = 0; i < num; i++) {
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if (ioctl(fd, APM_IOC_NEXTEVENT, &bsdEvent) < 0) {
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if (errno != EAGAIN) {
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xf86Msg(X_WARNING, "bsdPMGetEventFromOS: APM_IOC_NEXTEVENT"
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" %s\n", strerror(errno));
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}
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break;
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}
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events[i] = bsdToXF86(bsdEvent.type);
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}
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return i;
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}
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/*
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* XXX This won't work on /dev/apm !
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* We should either use /dev/apm_ctl (and kill apmd(8))
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* or talk to apmd (but its protocol is not publically available)...
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*/
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static pmWait
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bsdPMConfirmEventToOs(int fd, pmEvent event)
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{
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switch (event) {
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case XF86_APM_SYS_STANDBY:
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case XF86_APM_USER_STANDBY:
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if (ioctl(fd, APM_IOC_STANDBY, NULL) == 0)
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return PM_WAIT; /* should we stop the Xserver in standby, too? */
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else
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return PM_NONE;
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case XF86_APM_SYS_SUSPEND:
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case XF86_APM_CRITICAL_SUSPEND:
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case XF86_APM_USER_SUSPEND:
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if (ioctl(fd, APM_IOC_SUSPEND, NULL) == 0)
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return PM_WAIT;
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else
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return PM_NONE;
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case XF86_APM_STANDBY_RESUME:
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case XF86_APM_NORMAL_RESUME:
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case XF86_APM_CRITICAL_RESUME:
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case XF86_APM_STANDBY_FAILED:
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case XF86_APM_SUSPEND_FAILED:
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return PM_CONTINUE;
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default:
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return PM_NONE;
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}
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}
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PMClose
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xf86OSPMOpen(void)
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{
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int fd;
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if (APMihPtr || !xf86Info.pmFlag) {
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return NULL;
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}
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if ((fd = open(APM_DEVICE, O_RDWR)) == -1) {
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return NULL;
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}
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xf86PMGetEventFromOs = bsdPMGetEventFromOS;
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xf86PMConfirmEventToOs = bsdPMConfirmEventToOs;
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APMihPtr = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL);
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return bsdCloseAPM;
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}
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static void
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bsdCloseAPM(void)
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{
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int fd;
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if (APMihPtr) {
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fd = xf86RemoveGeneralHandler(APMihPtr);
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close(fd);
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APMihPtr = NULL;
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}
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}
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