xenocara/xserver/hw/xfree86/os-support/bsd/bsd_apm.c
2019-07-27 07:57:06 +00:00

138 lines
3.3 KiB
C

#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"
#include <machine/apmvar.h>
#define APM_DEVICE "/dev/apm"
static void *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
};
static pmEvent
bsdToXF86(int type)
{
int i;
for (i = 0; i < ARRAY_SIZE(bsdToXF86Array); 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"
" %s\n", strerror(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 = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL);
return bsdCloseAPM;
}
static void
bsdCloseAPM(void)
{
int fd;
if (APMihPtr) {
fd = xf86RemoveGeneralHandler(APMihPtr);
close(fd);
APMihPtr = NULL;
}
}