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-rw-r--r--sys/arch/macppc/dev/sysbutton.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/sys/arch/macppc/dev/sysbutton.c b/sys/arch/macppc/dev/sysbutton.c
new file mode 100644
index 00000000000..a8845a84c5d
--- /dev/null
+++ b/sys/arch/macppc/dev/sysbutton.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2007 Gordon Willem Klok <gwk@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/proc.h>
+#include <sys/device.h>
+
+#include <ddb/db_var.h>
+#include <dev/ofw/openfirm.h>
+
+#include <machine/bus.h>
+#include <machine/autoconf.h>
+
+struct sysbutton_softc {
+ struct device sc_dev;
+ int sc_node;
+ int sc_intr;
+};
+
+int sysbutton_match(struct device *, void *, void *);
+void sysbutton_attach(struct device *, struct device *, void *);
+int sysbutton_intr(void *);
+
+struct cfattach sysbutton_ca = {
+ sizeof(struct sysbutton_softc), sysbutton_match,
+ sysbutton_attach
+};
+
+struct cfdriver sysbutton_cd = {
+ NULL, "sysbutton", DV_DULL
+};
+
+int
+sysbutton_match(struct device *parent, void *arg, void *aux)
+{
+ struct confargs *ca = aux;
+
+ if (strcmp(ca->ca_name, "indicatorSwitch-gpio") == 0)
+ return 1;
+
+ return 0;
+}
+
+void
+sysbutton_attach(struct device *parent, struct device *self, void *aux)
+{
+ struct sysbutton_softc *sc = (struct sysbutton_softc *)self;
+ struct confargs *ca = aux;
+ int intr[2];
+
+ sc->sc_node = ca->ca_node;
+
+ OF_getprop(sc->sc_node, "interrupts", intr, sizeof(intr));
+ sc->sc_intr = intr[0];
+
+ printf(": irg %d\n", sc->sc_intr);
+
+ mac_intr_establish(parent, sc->sc_intr, IST_LEVEL,
+ IPL_NONE, sysbutton_intr, sc, sc->sc_dev.dv_xname);
+}
+
+int
+sysbutton_intr(void *v)
+{
+
+ /*
+ * XXX: Holding this button causes an interrupt storm if
+ * ddb.console=0.
+ */
+#ifdef DDB
+ if (db_console)
+ Debugger();
+#endif
+
+ return 1;
+}