placeholder driver for the bbc,beep device. should be straightforward

to fill in later.

1 files changed, 109 insertions, 0 deletions

diff --git a/sys/arch/sparc64/dev/beep.c b/sys/arch/sparc64/dev/beep.c
new file mode 100644
index 00000000000..7a12f224c0a
--- /dev/null
+++ b/sys/arch/sparc64/dev/beep.c
@@ -0,0 +1,109 @@
+/*	$OpenBSD: beep.c,v 1.1 2006/05/28 23:37:42 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 beeper device on BBC machines (Blade 1k, 2k, 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>
+
+#define	BEEP_CTRL		0
+#define	BEEP_CNT_0		2
+#define	BEEP_CNT_1		3
+#define	BEEP_CNT_2		4
+#define	BEEP_CNT_3		5
+
+#define	BEEP_CTRL_ON		0x01
+#define	BEEP_CTRL_OFF		0x00
+
+struct beep_softc {
+	struct device		sc_dev;
+	bus_space_tag_t		sc_iot;
+	bus_space_handle_t	sc_ioh;
+};
+
+int	beep_match(struct device *, void *, void *);
+void	beep_attach(struct device *, struct device *, void *);
+
+struct cfattach beep_ca = {
+	sizeof(struct beep_softc), beep_match, beep_attach
+};
+
+struct cfdriver beep_cd = {
+	NULL, "beep", DV_DULL
+};
+
+int
+beep_match(struct device *parent, void *match, void *aux)
+{
+	struct ebus_attach_args *ea = aux;
+
+	if (strcmp(ea->ea_name, "beep") == 0)
+		return (1);
+	return (0);
+}
+
+void
+beep_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct beep_softc *sc = (void *)self;
+	struct ebus_attach_args *ea = aux;
+
+	sc->sc_iot = ea->ea_memtag;
+
+	/* Use prom address if available, otherwise map it. */
+	if (ea->ea_nvaddrs) {
+		if (bus_space_map(sc->sc_iot, ea->ea_vaddrs[0], 0,
+		    BUS_SPACE_MAP_PROMADDRESS, &sc->sc_ioh)) {
+			printf(": can't map PROM register space\n");
+			return;
+		}
+	} else if (ebus_bus_map(sc->sc_iot, 0,
+	    EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size, 0, 0,
+	    &sc->sc_ioh) != 0) {
+		printf(": can't map register space\n");
+                return;
+	}
+
+	printf("\n");
+}