ppm driver. We don't use it for much... except to blink the power switch led. woot!

3 files changed, 163 insertions, 2 deletions

diff --git a/sys/arch/sparc64/conf/GENERIC b/sys/arch/sparc64/conf/GENERIC
index 5d1fa78ed88..a6ac50828bb 100644
--- a/sys/arch/sparc64/conf/GENERIC
+++ b/sys/arch/sparc64/conf/GENERIC
@@ -1,4 +1,4 @@
-#	$OpenBSD: GENERIC,v 1.145 2006/05/30 08:53:26 jason Exp $
+#	$OpenBSD: GENERIC,v 1.146 2006/06/02 04:46:00 jason Exp $
 #
 # For further information on compiling OpenBSD kernels, see the config(8)
 # man page.
@@ -209,6 +209,8 @@ audioce*	at ebus?		# ebus cs4231
 # parallel ports
 lpt*	at ebus?
 
+ppm*	at ebus?
+
 # performance counters
 uperf*	at ebus?
 uperf*	at sbus?
diff --git a/sys/arch/sparc64/conf/files.sparc64 b/sys/arch/sparc64/conf/files.sparc64
index 6dece96bb17..40848ef63f6 100644
--- a/sys/arch/sparc64/conf/files.sparc64
+++ b/sys/arch/sparc64/conf/files.sparc64
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.sparc64,v 1.68 2006/05/28 23:37:42 jason Exp $
+#	$OpenBSD: files.sparc64,v 1.69 2006/06/02 04:46:01 jason Exp $
 #	$NetBSD: files.sparc64,v 1.50 2001/08/10 20:53:50 eeh Exp $
 
 # maxpartitions must be first item in files.${ARCH}
@@ -139,6 +139,10 @@ device	beep
 attach	beep at ebus
 file	arch/sparc64/dev/beep.c			beep
 
+device	ppm
+attach	ppm at ebus
+file	arch/sparc64/dev/ppm.c			ppm
+
 device	sab {}
 attach	sab at ebus
 device	sabtty
diff --git a/sys/arch/sparc64/dev/ppm.c b/sys/arch/sparc64/dev/ppm.c
new file mode 100644
index 00000000000..5096daab6a4
--- /dev/null
+++ b/sys/arch/sparc64/dev/ppm.c
@@ -0,0 +1,155 @@
+/*	$OpenBSD: ppm.c,v 1.1 2006/06/02 04:46:01 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.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+
+#include <machine/bus.h>
+#include <machine/autoconf.h>
+#include <machine/openfirm.h>
+
+#include <sparc64/dev/ebusreg.h>
+#include <sparc64/dev/ebusvar.h>
+
+#define	BBC_GPIOBANK_INDEX	0x0
+#define	BBC_GPIOBANK_DATA	0x1
+
+#define	BBC_GPIO_PORT1_DATA	0x0
+#define	BBC_GPIO_PORT2_DATA	0x4
+
+#define	GPIO_P2D_LED		0x2
+
+struct ppm_softc {
+	struct device		sc_dv;
+	bus_space_tag_t		sc_iot;
+	bus_space_handle_t	sc_estarh;
+	bus_space_handle_t	sc_rioh;
+	bus_space_handle_t	sc_gpiobankh;
+	bus_space_handle_t	sc_gpioh;
+	struct blink_led	sc_blink;
+};
+
+int	ppm_match(struct device *, void *, void *);
+void	ppm_attach(struct device *, struct device *, void *);
+
+struct cfattach ppm_ca = {
+	sizeof(struct ppm_softc), ppm_match, ppm_attach
+};
+
+struct cfdriver ppm_cd = {
+	NULL, "ppm", DV_DULL
+};
+
+void ppm_led_blink(void *, int);
+
+int
+ppm_match(struct device *parent, void *match, void *aux)
+{
+	struct ebus_attach_args *ea = aux;
+
+	if (strcmp(ea->ea_name, "ppm"))
+		return (0);
+	return (1);
+}
+
+void
+ppm_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct ppm_softc *sc = (void *)self;
+	struct ebus_attach_args *ea = aux;
+	u_int8_t reg;
+
+	sc->sc_iot = ea->ea_memtag;
+
+	if (ea->ea_nregs < 4) {
+		printf(": need %d regs\n", 4);
+		return;
+	}
+
+#if 0
+	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_estarh)) {
+		printf(": failed to map estar\n");
+		return;
+	}
+#endif
+#if 0
+	if (ebus_bus_map(sc->sc_iot, 0,
+	    EBUS_PADDR_FROM_REG(&ea->ea_regs[1]), ea->ea_regs[1].size,
+	    0, 0, &sc->sc_rioh)) {
+		printf(": failed to map riohr\n");
+		return;
+	}
+#endif
+
+	if (ebus_bus_map(sc->sc_iot, 0,
+	    EBUS_PADDR_FROM_REG(&ea->ea_regs[2]), ea->ea_regs[2].size,
+	    0, 0, &sc->sc_gpiobankh)) {
+		printf(": failed to map gpiobank\n");
+		return;
+	}
+
+	if (ebus_bus_map(sc->sc_iot, 0,
+	    EBUS_PADDR_FROM_REG(&ea->ea_regs[3]), ea->ea_regs[3].size,
+	    0, 0, &sc->sc_gpioh)) {
+		printf(": failed to map gpio\n");
+		return;
+	}
+
+	bus_space_write_1(sc->sc_iot, sc->sc_gpiobankh,
+	    BBC_GPIOBANK_INDEX, 0x22);
+	bus_space_read_1(sc->sc_iot, sc->sc_gpiobankh, BBC_GPIOBANK_INDEX);
+	reg = bus_space_read_1(sc->sc_iot, sc->sc_gpiobankh, BBC_GPIOBANK_DATA);
+	reg &= 0x7f;
+	bus_space_write_1(sc->sc_iot, sc->sc_gpiobankh,BBC_GPIOBANK_INDEX, reg);
+	bus_space_read_1(sc->sc_iot, sc->sc_gpiobankh, BBC_GPIOBANK_INDEX);
+
+
+	sc->sc_blink.bl_func = ppm_led_blink;
+	sc->sc_blink.bl_arg = sc;
+	blink_led_register(&sc->sc_blink);
+	printf("\n");
+}
+
+void
+ppm_led_blink(void *vsc, int on)
+{
+	struct ppm_softc *sc = vsc;
+	u_int8_t r;
+
+	r = bus_space_read_1(sc->sc_iot, sc->sc_gpioh, BBC_GPIO_PORT1_DATA);
+	if (on)
+		r |= GPIO_P2D_LED;
+	else
+		r &= ~GPIO_P2D_LED;
+	bus_space_write_1(sc->sc_iot, sc->sc_gpioh, BBC_GPIO_PORT1_DATA, r);
+	bus_space_read_1(sc->sc_iot, sc->sc_gpioh, BBC_GPIO_PORT1_DATA);
+}