Add ACPI AC adaptor and ACPI Control Method Battery.

And install notify handler for thermal zone .

1 files changed, 138 insertions, 0 deletions

diff --git a/sys/dev/acpica/acpi_acad.c b/sys/dev/acpica/acpi_acad.c
new file mode 100644
index 0000000..12d254e
--- /dev/null
+++ b/sys/dev/acpica/acpi_acad.c
@@ -0,0 +1,138 @@
+/*-
+ * Copyright (c) 2000 Takanori Watanabe
+ * 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"
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+#include <sys/ioccom.h>
+#include <sys/malloc.h>
+#include <sys/conf.h>
+
+#include  "acpi.h"
+#include <dev/acpica/acpivar.h>
+#include <dev/acpica/acpiio.h>
+ 
+
+#define ACPI_DEVICE_CHECK_PNP		0x00
+#define ACPI_DEVICE_CHECK_EXISTENCE	0x01
+#define ACPI_POWERSOURCE_STAT_CHANGE	0x80
+
+static void acpi_acad_get_status(void * );
+static void acpi_acad_notify_handler(ACPI_HANDLE , UINT32 ,void *);
+static int acpi_acad_probe(device_t);
+static int acpi_acad_attach(device_t);
+
+struct  acpi_acad_softc {
+	int status;
+};
+
+static void
+acpi_acad_get_status(void *context)
+{
+	device_t dev = context;
+	struct acpi_acad_softc *sc = device_get_softc(dev);
+	ACPI_HANDLE h = acpi_get_handle(dev);
+
+	if (acpi_EvaluateNumber(h, "_PSR", &sc->status) != AE_OK)
+		return;
+	device_printf(dev,"%s\n",(sc->status) ? "On Line" : "Off Line");
+}
+
+static void
+acpi_acad_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
+{
+	device_t dev = context;
+
+	device_printf(dev, "Notify %d\n", notify);
+	switch (notify) {
+	case ACPI_DEVICE_CHECK_PNP:
+	case ACPI_DEVICE_CHECK_EXISTENCE:
+	case ACPI_POWERSOURCE_STAT_CHANGE:
+		/*Temporally. It is better to notify policy manager*/
+		AcpiOsQueueForExecution(OSD_PRIORITY_LO,
+		    acpi_acad_get_status,context);
+		break;
+	default:
+		break;
+	}
+}
+
+static int
+acpi_acad_probe(device_t dev)
+{
+
+    if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) &&
+	acpi_MatchHid(dev, "ACPI0003")) {
+      
+      /*
+       * Set device description 
+       */
+	device_set_desc(dev, "AC adapter");
+	return(0);
+    }
+    return(ENXIO);
+}
+
+static int
+acpi_acad_attach(device_t dev)
+{
+
+	ACPI_HANDLE handle = acpi_get_handle(dev);
+	AcpiInstallNotifyHandler(handle, 
+				 ACPI_DEVICE_NOTIFY,
+				 acpi_acad_notify_handler, dev);
+	/*Installing system notify is not so good*/
+	AcpiInstallNotifyHandler(handle, 
+				 ACPI_SYSTEM_NOTIFY,
+				 acpi_acad_notify_handler, dev);
+
+	acpi_acad_get_status((void *)dev);
+	return(0);
+}
+
+static device_method_t acpi_acad_methods[] = {
+    /* Device interface */
+    DEVMETHOD(device_probe,	acpi_acad_probe),
+    DEVMETHOD(device_attach,	acpi_acad_attach),
+
+    {0, 0}
+};
+
+static driver_t acpi_acad_driver = {
+    "acpi_acad",
+    acpi_acad_methods,
+    sizeof(struct acpi_acad_softc),
+};
+
+static devclass_t acpi_acad_devclass;
+DRIVER_MODULE(acpi_acad,acpi,acpi_acad_driver,acpi_acad_devclass,0,0);