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authormarha <marha@users.sourceforge.net>2012-03-23 10:05:55 +0100
committermarha <marha@users.sourceforge.net>2012-03-23 10:05:55 +0100
commit0f834b91a4768673833ab4917e87d86c237bb1a6 (patch)
tree363489504ed4b2d360259b8de4c9e392918e5d02 /xorg-server/hw/xfree86/os-support/linux/lnx_apm.c
parentfc72edebf875378459368c5383d9023730cbca54 (diff)
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23 Mar 2012
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/linux/lnx_apm.c')
-rw-r--r--xorg-server/hw/xfree86/os-support/linux/lnx_apm.c153
1 files changed, 78 insertions, 75 deletions
diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_apm.c b/xorg-server/hw/xfree86/os-support/linux/lnx_apm.c
index 54c698965..a37331e52 100644
--- a/xorg-server/hw/xfree86/os-support/linux/lnx_apm.c
+++ b/xorg-server/hw/xfree86/os-support/linux/lnx_apm.c
@@ -23,15 +23,15 @@ extern PMClose lnxACPIOpen(void);
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
-
+
#define APM_PROC "/proc/apm"
#define APM_DEVICE "/dev/apm_bios"
#ifndef APM_STANDBY_FAILED
-# define APM_STANDBY_FAILED 0xf000
+#define APM_STANDBY_FAILED 0xf000
#endif
#ifndef APM_SUSPEND_FAILED
-# define APM_SUSPEND_FAILED 0xf001
+#define APM_SUSPEND_FAILED 0xf001
#endif
static PMClose lnxAPMOpen(void);
@@ -42,23 +42,26 @@ static struct {
apm_event_t apmLinux;
pmEvent xf86;
} LinuxToXF86[] = {
- { APM_SYS_STANDBY, XF86_APM_SYS_STANDBY },
- { APM_SYS_SUSPEND, XF86_APM_SYS_SUSPEND },
- { APM_NORMAL_RESUME, XF86_APM_NORMAL_RESUME },
- { APM_CRITICAL_RESUME, XF86_APM_CRITICAL_RESUME },
- { APM_LOW_BATTERY, XF86_APM_LOW_BATTERY },
- { APM_POWER_STATUS_CHANGE, XF86_APM_POWER_STATUS_CHANGE },
- { APM_UPDATE_TIME, XF86_APM_UPDATE_TIME },
- { APM_CRITICAL_SUSPEND, XF86_APM_CRITICAL_SUSPEND },
- { APM_USER_STANDBY, XF86_APM_USER_STANDBY },
- { APM_USER_SUSPEND, XF86_APM_USER_SUSPEND },
- { APM_STANDBY_RESUME, XF86_APM_STANDBY_RESUME },
+ {
+ APM_SYS_STANDBY, XF86_APM_SYS_STANDBY}, {
+ APM_SYS_SUSPEND, XF86_APM_SYS_SUSPEND}, {
+ APM_NORMAL_RESUME, XF86_APM_NORMAL_RESUME}, {
+ APM_CRITICAL_RESUME, XF86_APM_CRITICAL_RESUME}, {
+ APM_LOW_BATTERY, XF86_APM_LOW_BATTERY}, {
+ APM_POWER_STATUS_CHANGE, XF86_APM_POWER_STATUS_CHANGE}, {
+ APM_UPDATE_TIME, XF86_APM_UPDATE_TIME}, {
+ APM_CRITICAL_SUSPEND, XF86_APM_CRITICAL_SUSPEND}, {
+ APM_USER_STANDBY, XF86_APM_USER_STANDBY}, {
+ APM_USER_SUSPEND, XF86_APM_USER_SUSPEND}, {
+ APM_STANDBY_RESUME, XF86_APM_STANDBY_RESUME},
#if defined(APM_CAPABILITY_CHANGED)
- { APM_CAPABILITY_CHANGED, XF86_CAPABILITY_CHANGED },
+ {
+ APM_CAPABILITY_CHANGED, XF86_CAPABILITY_CHANGED},
#endif
#if 0
- { APM_STANDBY_FAILED, XF86_APM_STANDBY_FAILED },
- { APM_SUSPEND_FAILED, XF86_APM_SUSPEND_FAILED }
+ {
+ APM_STANDBY_FAILED, XF86_APM_STANDBY_FAILED}, {
+ APM_SUSPEND_FAILED, XF86_APM_SUSPEND_FAILED}
#endif
};
@@ -73,24 +76,24 @@ static struct {
* event is reasonable.
*/
static int
-lnxPMGetEventFromOs(int fd, pmEvent *events, int num)
+lnxPMGetEventFromOs(int fd, pmEvent * events, int num)
{
- int i,j,n;
+ int i, j, n;
apm_event_t linuxEvents[8];
- if ((n = read( fd, linuxEvents, num * sizeof(apm_event_t) )) == -1)
- return 0;
+ if ((n = read(fd, linuxEvents, num * sizeof(apm_event_t))) == -1)
+ return 0;
n /= sizeof(apm_event_t);
if (n > num)
- n = num;
+ n = num;
for (i = 0; i < n; i++) {
- for (j = 0; j < numApmEvents; j++)
- if (LinuxToXF86[j].apmLinux == linuxEvents[i]) {
- events[i] = LinuxToXF86[j].xf86;
- break;
- }
- if (j == numApmEvents)
- events[i] = XF86_APM_UNKNOWN;
+ for (j = 0; j < numApmEvents; j++)
+ if (LinuxToXF86[j].apmLinux == linuxEvents[i]) {
+ events[i] = LinuxToXF86[j].xf86;
+ break;
+ }
+ if (j == numApmEvents)
+ events[i] = XF86_APM_UNKNOWN;
}
return n;
}
@@ -101,55 +104,55 @@ lnxPMConfirmEventToOs(int fd, pmEvent event)
switch (event) {
case XF86_APM_SYS_STANDBY:
case XF86_APM_USER_STANDBY:
- if (ioctl( fd, APM_IOC_STANDBY, NULL ))
- return PM_FAILED;
- return PM_CONTINUE;
+ if (ioctl(fd, APM_IOC_STANDBY, NULL))
+ return PM_FAILED;
+ return PM_CONTINUE;
case XF86_APM_SYS_SUSPEND:
case XF86_APM_CRITICAL_SUSPEND:
case XF86_APM_USER_SUSPEND:
- if (ioctl( fd, APM_IOC_SUSPEND, NULL )) {
- /* I believe this is wrong (EE)
- EBUSY is sent when a device refuses to be suspended.
- In this case we still need to undo everything we have
- done to suspend ourselves or we will stay in suspended
- state forever. */
- if (errno == EBUSY)
- return PM_CONTINUE;
- else
- return PM_FAILED;
- }
- return PM_CONTINUE;
+ if (ioctl(fd, APM_IOC_SUSPEND, NULL)) {
+ /* I believe this is wrong (EE)
+ EBUSY is sent when a device refuses to be suspended.
+ In this case we still need to undo everything we have
+ done to suspend ourselves or we will stay in suspended
+ state forever. */
+ if (errno == EBUSY)
+ return PM_CONTINUE;
+ else
+ return PM_FAILED;
+ }
+ return PM_CONTINUE;
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;
+ return PM_CONTINUE;
default:
- return PM_NONE;
+ return PM_NONE;
}
}
-#endif // HAVE_APM
+#endif // HAVE_APM
PMClose
xf86OSPMOpen(void)
{
- PMClose ret = NULL;
+ PMClose ret = NULL;
#ifdef HAVE_ACPI
- /* Favour ACPI over APM, but only when enabled */
+ /* Favour ACPI over APM, but only when enabled */
- if (!xf86acpiDisableFlag)
- ret = lnxACPIOpen();
+ if (!xf86acpiDisableFlag)
+ ret = lnxACPIOpen();
- if (!ret)
+ if (!ret)
#endif
#ifdef HAVE_APM
- ret = lnxAPMOpen();
+ ret = lnxAPMOpen();
#endif
- return ret;
+ return ret;
}
#ifdef HAVE_APM
@@ -157,27 +160,27 @@ xf86OSPMOpen(void)
static PMClose
lnxAPMOpen(void)
{
- int fd, pfd;
+ int fd, pfd;
DebugF("APM: OSPMOpen called\n");
if (APMihPtr || !xf86Info.pmFlag)
- return NULL;
-
+ return NULL;
+
DebugF("APM: Opening device\n");
- if ((fd = open( APM_DEVICE, O_RDWR )) > -1) {
- if (access( APM_PROC, R_OK ) ||
- ((pfd = open( APM_PROC, O_RDONLY)) == -1)) {
- xf86MsgVerb(X_WARNING,3,"Cannot open APM (%s) (%s)\n",
- APM_PROC, strerror(errno));
- close(fd);
- return NULL;
- } else
- close(pfd);
- xf86PMGetEventFromOs = lnxPMGetEventFromOs;
- xf86PMConfirmEventToOs = lnxPMConfirmEventToOs;
- APMihPtr = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL);
- xf86MsgVerb(X_INFO,3,"Open APM successful\n");
- return lnxCloseAPM;
+ if ((fd = open(APM_DEVICE, O_RDWR)) > -1) {
+ if (access(APM_PROC, R_OK) || ((pfd = open(APM_PROC, O_RDONLY)) == -1)) {
+ xf86MsgVerb(X_WARNING, 3, "Cannot open APM (%s) (%s)\n",
+ APM_PROC, strerror(errno));
+ close(fd);
+ return NULL;
+ }
+ else
+ close(pfd);
+ xf86PMGetEventFromOs = lnxPMGetEventFromOs;
+ xf86PMConfirmEventToOs = lnxPMConfirmEventToOs;
+ APMihPtr = xf86AddGeneralHandler(fd, xf86HandlePMEvents, NULL);
+ xf86MsgVerb(X_INFO, 3, "Open APM successful\n");
+ return lnxCloseAPM;
}
return NULL;
}
@@ -189,10 +192,10 @@ lnxCloseAPM(void)
DebugF("APM: Closing device\n");
if (APMihPtr) {
- fd = xf86RemoveGeneralHandler(APMihPtr);
- close(fd);
- APMihPtr = NULL;
+ fd = xf86RemoveGeneralHandler(APMihPtr);
+ close(fd);
+ APMihPtr = NULL;
}
}
-#endif // HAVE_APM
+#endif // HAVE_APM