Support for system "power profiles". Currently we support two profiles;

"economy" and "performance".

1 files changed, 64 insertions, 0 deletions

diff --git a/sys/dev/acpica/acpi_powerprofile.c b/sys/dev/acpica/acpi_powerprofile.c
new file mode 100644
index 0000000..a7544f0
--- /dev/null
+++ b/sys/dev/acpica/acpi_powerprofile.c
@@ -0,0 +1,64 @@
+/*-
+ * Copyright (c) 2001 Michael Smith
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	$FreeBSD$
+ */
+
+#include "opt_acpi.h"	/* XXX trim includes */
+#include <sys/param.h>
+#include <sys/mutex.h>
+#include <sys/bus.h>
+
+#include "acpi.h"
+
+#include <dev/acpica/acpivar.h>
+
+static int powerprofile_state = POWERPROFILE_PERFORMANCE;
+
+int
+powerprofile_get_state(void)
+{
+    return(powerprofile_state);
+}
+
+void
+powerprofile_set_state(int state) 
+{
+    int		changed;
+    
+    ACPI_LOCK;
+    if (state != powerprofile_state) {
+	powerprofile_state = state;
+	changed = 1;
+	printf("system power profile changed to '%s'\n",
+	       (state == POWERPROFILE_PERFORMANCE) ? "performance" : "economy");
+    } else {
+	changed = 0;
+    }
+    ACPI_UNLOCK;
+    if (changed)
+	EVENTHANDLER_INVOKE(powerprofile_change);
+}
+