aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/os-support/linux/lnx_acpi.c
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/os-support/linux/lnx_acpi.c
downloadvcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz
vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2
vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip
Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/linux/lnx_acpi.c')
-rw-r--r--xorg-server/hw/xfree86/os-support/linux/lnx_acpi.c181
1 files changed, 181 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_acpi.c b/xorg-server/hw/xfree86/os-support/linux/lnx_acpi.c
new file mode 100644
index 000000000..bb975cc5d
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/linux/lnx_acpi.c
@@ -0,0 +1,181 @@
+#ifdef HAVE_XORG_CONFIG_H
+#include "xorg-config.h"
+#endif
+
+#include "os.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#define XF86_OS_PRIVS
+#include "xf86_OSproc.h"
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#define ACPI_SOCKET "/var/run/acpid.socket"
+
+#define ACPI_VIDEO_NOTIFY_SWITCH 0x80
+#define ACPI_VIDEO_NOTIFY_PROBE 0x81
+#define ACPI_VIDEO_NOTIFY_CYCLE 0x82
+#define ACPI_VIDEO_NOTIFY_NEXT_OUTPUT 0x83
+#define ACPI_VIDEO_NOTIFY_PREV_OUTPUT 0x84
+
+#define ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS 0x85
+#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86
+#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87
+#define ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS 0x88
+#define ACPI_VIDEO_NOTIFY_DISPLAY_OFF 0x89
+
+#define ACPI_VIDEO_HEAD_INVALID (~0u - 1)
+#define ACPI_VIDEO_HEAD_END (~0u)
+
+static void lnxCloseACPI(void);
+static pointer ACPIihPtr = NULL;
+PMClose lnxACPIOpen(void);
+
+/* in milliseconds */
+#define ACPI_REOPEN_DELAY 1000
+
+static CARD32
+lnxACPIReopen(OsTimerPtr timer, CARD32 time, pointer arg)
+{
+ if (lnxACPIOpen()) {
+ TimerFree(timer);
+ return 0;
+ }
+
+ return ACPI_REOPEN_DELAY;
+}
+
+#define LINE_LENGTH 80
+
+static int
+lnxACPIGetEventFromOs(int fd, pmEvent *events, int num)
+{
+ char ev[LINE_LENGTH];
+ int n;
+
+ memset(ev, 0, LINE_LENGTH);
+
+ do {
+ n = read( fd, ev, LINE_LENGTH );
+ } while ((n == -1) && (errno == EAGAIN || errno == EINTR));
+
+ if (n <= 0) {
+ lnxCloseACPI();
+ TimerSet(NULL, 0, ACPI_REOPEN_DELAY, lnxACPIReopen, NULL);
+ return 0;
+ }
+ /* FIXME: this only processes the first read ACPI event & might break
+ * with interrupted reads. */
+
+ /* Check that we have a video event */
+ if (!strncmp(ev, "video", 5)) {
+ char *video = NULL;
+ char *GFX = NULL;
+ char *notify = NULL;
+ char *data = NULL; /* doesn't appear to be used in the kernel */
+ unsigned long int notify_l, data_l;
+
+ video = strtok(ev, " ");
+
+ GFX = strtok(NULL, " ");
+#if 0
+ ErrorF("GFX: %s\n",GFX);
+#endif
+
+ notify = strtok(NULL, " ");
+ notify_l = strtoul(notify, NULL, 16);
+#if 0
+ ErrorF("notify: 0x%lx\n",notify_l);
+#endif
+
+ data = strtok(NULL, " ");
+ data_l = strtoul(data, NULL, 16);
+#if 0
+ ErrorF("data: 0x%lx\n",data_l);
+#endif
+
+ /* Differentiate between events */
+ switch (notify_l) {
+ case ACPI_VIDEO_NOTIFY_SWITCH:
+ case ACPI_VIDEO_NOTIFY_CYCLE:
+ case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT:
+ case ACPI_VIDEO_NOTIFY_PREV_OUTPUT:
+ events[0] = XF86_APM_CAPABILITY_CHANGED;
+ return 1;
+ case ACPI_VIDEO_NOTIFY_PROBE:
+ return 0;
+ default:
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static pmWait
+lnxACPIConfirmEventToOs(int fd, pmEvent event)
+{
+ /* No ability to send back to the kernel in ACPI */
+ switch (event) {
+ default:
+ return PM_NONE;
+ }
+}
+
+PMClose
+lnxACPIOpen(void)
+{
+ int fd;
+ struct sockaddr_un addr;
+ int r = -1;
+
+#ifdef DEBUG
+ ErrorF("ACPI: OSPMOpen called\n");
+#endif
+ if (ACPIihPtr || !xf86Info.pmFlag)
+ return NULL;
+
+#ifdef DEBUG
+ ErrorF("ACPI: Opening device\n");
+#endif
+ if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) > -1) {
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ strcpy(addr.sun_path, ACPI_SOCKET);
+ if ((r = connect(fd, (struct sockaddr*)&addr, sizeof(addr))) == -1) {
+ xf86MsgVerb(X_WARNING,3,"Open ACPI failed (%s) (%s)\n", ACPI_SOCKET,
+ strerror(errno));
+ shutdown(fd, 2);
+ close(fd);
+ return NULL;
+ }
+ }
+
+ xf86PMGetEventFromOs = lnxACPIGetEventFromOs;
+ xf86PMConfirmEventToOs = lnxACPIConfirmEventToOs;
+ ACPIihPtr = xf86AddGeneralHandler(fd,xf86HandlePMEvents,NULL);
+ xf86MsgVerb(X_INFO,3,"Open ACPI successful (%s)\n", ACPI_SOCKET);
+
+ return lnxCloseACPI;
+}
+
+static void
+lnxCloseACPI(void)
+{
+ int fd;
+
+#ifdef DEBUG
+ ErrorF("ACPI: Closing device\n");
+#endif
+ if (ACPIihPtr) {
+ fd = xf86RemoveGeneralHandler(ACPIihPtr);
+ shutdown(fd, 2);
+ close(fd);
+ ACPIihPtr = NULL;
+ }
+}