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/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/bsd_apm.c,v 1.1 2000/02/29 03:09:25 dawes Exp $ */
#include "X.h"
#include "os.h"
#include "xf86.h"
#include "xf86Priv.h"
#define XF86_OS_PRIVS
#include "xf86_OSproc.h"
#include "xf86_OSlib.h"
#include <machine/apmvar.h>
#define APM_DEVICE "/dev/apm"
static pointer APMihPtr = NULL;
static void bsdCloseAPM(void);
static struct {
u_int apmBsd;
pmEvent xf86;
} bsdToXF86Array [] = {
{ 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
};
#define numApmEvents (sizeof(bsdToXF86Array) / sizeof(bsdToXF86Array[0]))
static pmEvent
bsdToXF86(int type)
{
int i;
for (i = 0; i < numApmEvents; i++) {
if (type == bsdToXF86Array[i].apmBsd) {
return bsdToXF86Array[i].xf86;
}
}
return XF86_APM_UNKNOWN;
}
/*
* APM events can be requested direclty from /dev/apm
*/
static int
bsdPMGetEventFromOS(int fd, pmEvent *events, int num)
{
struct apm_event_info bsdEvent;
int i;
for (i = 0; i < num; i++) {
if (ioctl(fd, APM_IOC_NEXTEVENT, &bsdEvent) < 0) {
if (errno != EAGAIN) {
xf86Msg(X_WARNING, "bsdPMGetEventFromOS: APM_IOC_NEXTEVENT"
" errno = %d\n", errno);
}
break;
}
events[i] = bsdToXF86(bsdEvent.type);
}
return i;
}
/*
* XXX This won't work on /dev/apm !
* We should either use /dev/apm_ctl (and kill apmd(8))
* or talk to apmd (but its protocol is not publically available)...
*/
static pmWait
bsdPMConfirmEventToOs(int fd, pmEvent event)
{
switch (event) {
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:
if (ioctl( fd, APM_IOC_SUSPEND, NULL ) == 0)
return PM_WAIT;
else
return PM_NONE;
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:
return PM_CONTINUE;
default:
return PM_NONE;
}
}
PMClose
xf86OSPMOpen(void)
{
int fd;
if (APMihPtr || !xf86Info.pmFlag) {
return NULL;
}
if ((fd = open(APM_DEVICE, O_RDWR)) == -1) {
return NULL;
}
xf86PMGetEventFromOs = bsdPMGetEventFromOS;
xf86PMConfirmEventToOs = bsdPMConfirmEventToOs;
APMihPtr = xf86AddInputHandler(fd, xf86HandlePMEvents, NULL);
return bsdCloseAPM;
}
static void
bsdCloseAPM(void)
{
int fd;
if (APMihPtr) {
fd = xf86RemoveInputHandler(APMihPtr);
close(fd);
APMihPtr = NULL;
}
}
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