diff options
Diffstat (limited to 'hw/xfree86/os-support/bsd/bsd_apm.c')
-rw-r--r-- | hw/xfree86/os-support/bsd/bsd_apm.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/bsd/bsd_apm.c b/hw/xfree86/os-support/bsd/bsd_apm.c new file mode 100644 index 000000000..250e5cb55 --- /dev/null +++ b/hw/xfree86/os-support/bsd/bsd_apm.c @@ -0,0 +1,137 @@ +/* $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; + } +} |