[src/trunk]: src/sys/arch/macppc Add a gpio device to handle the gpio device ...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c86117d201ac
branches:  trunk
changeset: 504308:c86117d201ac
user:      matt <matt%NetBSD.org@localhost>
date:      Tue Feb 27 05:15:03 2001 +0000

description:
Add a gpio device to handle the gpio device & extint-gpio1
interrupt.  (think ibook/powerbook)

diffstat:

 sys/arch/macppc/conf/files.macppc |    7 +-
 sys/arch/macppc/dev/gpio.c        |  180 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 186 insertions(+), 1 deletions(-)

diffs (205 lines):

diff -r 01280aa3474e -r c86117d201ac sys/arch/macppc/conf/files.macppc
--- a/sys/arch/macppc/conf/files.macppc Tue Feb 27 04:44:51 2001 +0000
+++ b/sys/arch/macppc/conf/files.macppc Tue Feb 27 05:15:03 2001 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.macppc,v 1.40 2001/02/18 04:55:37 matt Exp $
+#      $NetBSD: files.macppc,v 1.41 2001/02/27 05:15:04 matt Exp $
 #
 # macppc-specific configuration info
 
@@ -188,6 +188,11 @@
 attach awacs at obio
 file arch/macppc/dev/awacs.c                   awacs
 
+device gpio {}
+attach gpio at obio with gpio_obio
+attach gpio at gpio with gpio_gpio
+file arch/macppc/dev/gpio.c                    gpio
+
 define grfdev {}
 
 device grfati: grfdev
diff -r 01280aa3474e -r c86117d201ac sys/arch/macppc/dev/gpio.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/macppc/dev/gpio.c        Tue Feb 27 05:15:03 2001 +0000
@@ -0,0 +1,180 @@
+/*     $NetBSD: gpio.c,v 1.1 2001/02/27 05:15:03 matt Exp $    */
+
+/*-
+ * Copyright (C) 1998  Internet Research Institute, Inc.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by
+ *     Internet Research Institute, Inc.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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/kernel.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <machine/autoconf.h>
+#include <machine/pio.h>
+
+#include "adb.h"
+
+static void gpio_obio_attach (struct device *, struct device *, void *);
+static int gpio_obio_match (struct device *, struct cfdata *, void *);
+static int gpio_obio_print (void *aux, const char *gpio);
+
+static void gpio_gpio_attach (struct device *, struct device *, void *);
+static int gpio_gpio_match (struct device *, struct cfdata *, void *);
+static int gpio_intr (void *);
+
+struct gpio_softc {
+       struct device sc_dev;
+       u_int8_t *sc_port;
+};
+
+struct cfattach gpio_obio_ca = {
+       sizeof(struct gpio_softc), gpio_obio_match, gpio_obio_attach
+};
+
+struct cfattach gpio_gpio_ca = {
+       sizeof(struct gpio_softc), gpio_gpio_match, gpio_gpio_attach
+};
+
+extern struct cfdriver gpio_cd;
+
+int
+gpio_obio_match(struct device *parent, struct cfdata *cf, void *aux)
+{
+       struct confargs *ca = aux;
+
+       if (strcmp(ca->ca_name, "gpio") != 0)
+               return 0;
+
+       if (ca->ca_nreg == 0)
+               return 0;
+
+       return 1;
+}
+
+void
+gpio_obio_attach(struct device *parent, struct device *self, void *aux)
+{
+       struct gpio_softc *sc = (struct gpio_softc *)self;
+       struct confargs *ca = aux, ca2;
+       int child;
+       int namelen;
+       int intr[6];
+       u_int reg[20];
+       char name[32];
+
+       printf("\n");
+
+       sc->sc_port = mapiodev(ca->ca_baseaddr + ca->ca_reg[0], ca->ca_reg[1]);
+
+       ca2.ca_baseaddr = ca->ca_baseaddr;
+       for (child = OF_child(ca->ca_node); child; child = OF_peer(child)) {
+               namelen = OF_getprop(child, "name", name, sizeof(name));
+               if (namelen < 0)
+                       continue;
+               if (namelen >= sizeof(name))
+                       continue;
+
+               name[namelen] = 0;
+               ca2.ca_name = name;
+               ca2.ca_node = child;
+
+               ca2.ca_nreg  = OF_getprop(child, "reg", reg, sizeof(reg));
+               ca2.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
+                               sizeof(intr));
+               if (ca2.ca_nintr == -1)
+                       ca2.ca_nintr = OF_getprop(child, "interrupts", intr,
+                                       sizeof(intr));
+
+               ca2.ca_reg = reg;
+               ca2.ca_intr = intr;
+
+               config_found(self, &ca2, gpio_obio_print);
+       }
+}
+
+int
+gpio_obio_print(void *aux, const char *gpio)
+{
+       struct confargs *ca = aux;
+
+       if (gpio)
+               printf("%s at %s", ca->ca_name, gpio);
+
+       if (ca->ca_nreg > 0)
+               printf(" offset 0x%x", ca->ca_reg[0]);
+
+       return UNCONF;
+}
+
+int
+gpio_gpio_match(struct device *parent, struct cfdata *cf, void *aux)
+{
+       struct confargs *ca = aux;
+
+       if (strcmp(ca->ca_name, "extint-gpio1") != 0)
+               return 0;
+
+       if (ca->ca_nintr < 0)
+               return 0;
+
+       return 1;
+}
+
+void
+gpio_gpio_attach(struct device *parent, struct device *self, void *aux)
+{
+       struct gpio_softc *sc = (struct gpio_softc *)self;
+       struct confargs *ca = aux;
+
+
+       sc->sc_port = ((struct gpio_softc *) parent)->sc_port;
+       intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_HIGH, gpio_intr, sc);
+
+       printf(" irq %d\n", ca->ca_intr[0]);
+}
+
+#if NADB > 0
+extern int adb_intr (void *);
+extern struct cfdriver adb_cd;
+#endif
+
+int
+gpio_intr(void *arg)
+{
+       struct gpio_softc *sc = arg;
+       int rv = 0;
+
+#if NADB > 0
+       rv = adb_intr(adb_cd.cd_devs[0]);
+#endif
+
+       return rv;
+}