skeleton driver for power button on u5.. does precisely nothing except attach.

Will hook it into the right places this weekend (and put it into GENERIC
and write a man page when it does something useful).

2 files changed, 125 insertions, 1 deletions

diff --git a/sys/arch/sparc64/conf/files.sparc64 b/sys/arch/sparc64/conf/files.sparc64
index 40848ef63f6..cded3c0cbe4 100644
--- a/sys/arch/sparc64/conf/files.sparc64
+++ b/sys/arch/sparc64/conf/files.sparc64
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.sparc64,v 1.69 2006/06/02 04:46:01 jason Exp $
+#	$OpenBSD: files.sparc64,v 1.70 2006/06/16 22:01:30 jason Exp $
 #	$NetBSD: files.sparc64,v 1.50 2001/08/10 20:53:50 eeh Exp $
 
 # maxpartitions must be first item in files.${ARCH}
@@ -143,6 +143,10 @@ device	ppm
 attach	ppm at ebus
 file	arch/sparc64/dev/ppm.c			ppm
 
+device	power
+attach	power at ebus
+file	arch/sparc64/dev/power.c		power
+
 device	sab {}
 attach	sab at ebus
 device	sabtty
diff --git a/sys/arch/sparc64/dev/power.c b/sys/arch/sparc64/dev/power.c
new file mode 100644
index 00000000000..5019531dcfe
--- /dev/null
+++ b/sys/arch/sparc64/dev/power.c
@@ -0,0 +1,120 @@
+/*	$OpenBSD: power.c,v 1.1 2006/06/16 22:01:30 jason Exp $	*/
+
+/*
+ * Copyright (c) 2006 Jason L. Wright (jason@thought.net)
+ * 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 ``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 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.
+ */
+
+/*
+ * Driver for power-button device on U5, U10, etc.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/conf.h>
+#include <sys/timeout.h>
+
+#include <machine/bus.h>
+#include <machine/autoconf.h>
+#include <machine/openfirm.h>
+
+#include <sparc64/dev/ebusreg.h>
+#include <sparc64/dev/ebusvar.h>
+
+struct power_softc {
+	struct device		sc_dev;
+	bus_space_tag_t		sc_tag;
+	bus_space_handle_t	sc_handle;
+	struct intrhand		*sc_ih;
+};
+
+int	power_match(struct device *, void *, void *);
+void	power_attach(struct device *, struct device *, void *);
+int	power_intr(void *);
+
+struct cfattach power_ca = {
+	sizeof(struct power_softc), power_match, power_attach
+};
+
+struct cfdriver power_cd = {
+	NULL, "power", DV_DULL
+};
+
+int
+power_match(parent, match, aux)
+	struct device *parent;
+	void *match;
+	void *aux;
+{
+	struct ebus_attach_args *ea = aux;
+
+	if (strcmp(ea->ea_name, "power") == 0)
+		return (1);
+	return (0);
+}
+
+void
+power_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct power_softc *sc = (void *)self;
+	struct ebus_attach_args *ea = aux;
+
+	sc->sc_tag = ea->ea_memtag;
+
+	/* Use prom address if available, otherwise map it. */
+	if (ea->ea_nvaddrs) {
+		if (bus_space_map(sc->sc_tag, ea->ea_vaddrs[0], 0,
+		    BUS_SPACE_MAP_PROMADDRESS, &sc->sc_handle)) {
+			printf(": can't map PROM register space\n");
+			return;
+		}
+	} else if (ebus_bus_map(sc->sc_tag, 0,
+	    EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size, 0, 0,
+	    &sc->sc_handle) != 0) {
+		printf(": can't map register space\n");
+                return;
+	}
+
+	if (ea->ea_nintrs > 0 && OF_getproplen(ea->ea_node, "button") >= 0) {
+	        sc->sc_ih = bus_intr_establish(sc->sc_tag, ea->ea_intrs[0],
+		    IPL_HIGH, 0, power_intr, sc, self->dv_xname);
+		if (sc->sc_ih == NULL) {
+			printf(": can't establish interrupt\n");
+			return;
+		}
+	}
+
+	printf("\n");
+}
+
+int
+power_intr(void *vsc)
+{
+	return (0);
+}