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Date:      Mon, 18 Oct 1999 17:02:11 +0900
From:      MIHIRA Sanpei Yoshiro <sanpei@sanpei.org>
To:        freebsd-mobile@FreeBSD.org
Subject:   [PCCARD] experimental code, pccardc power
Message-ID:  <199910180802.RAA07485@lavender.yy.cs.keio.ac.jp>

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Hi.

  I created patch of pccardc power for -current.

  [from manual page], 
	It turns ON/OFF a power supply of a card in the slot
	specified in turn OFF a power supply. If a card becomes
	unstable when it is removed at activate state, this can
	force it to turn into inactive state first and remove it
	safely.  turn ON a power supply and into active state
	similar to a card insertion.


  For example, when I use NOTE-PC on train, I can't have any
AC-power supply. I don't use Ethernet-Card on it, so I power down
PC-Card without removeal by this funciotn and I can save battery
power.

  This code was obtained from PAO.  But I removed inactive state
from PAO code.

# but I did't remove about inactive state from man page patch...

  Any comments are welcome.

Thank you.
MIHIRA Sanpei Yoshiro
Yokohama, Japan.

--- sys/pccard/cardinfo.h.orig	Mon Aug  2 03:12:50 1999
+++ sys/pccard/cardinfo.h	Sat Oct 16 21:00:58 1999
@@ -45,6 +45,7 @@
 #define PIOCRWFLAG	_IOW('P', 7, int)	/* Set flags for drv use */
 #define PIOCRWMEM	_IOWR('P', 8, unsigned long) /* Set mem for drv use */
 #define PIOCSPOW	_IOW('P', 9, struct power) /* Set power structure */
+#define PIOCSVIR	_IOW('P', 10, int)	/* Virtual insert/remove */
 #define PIOCSBEEP	_IOW('P', 11, int)		/* Select Beep */
 /*
  *	Debug codes.
--- sys/pccard/pccard.c.org	Sat Oct 16 20:57:27 1999
+++ sys/pccard/pccard.c	Sat Oct 16 20:59:42 1999
@@ -941,6 +941,7 @@
 	struct mem_desc *mp;
 	struct io_desc *ip;
 	int s, err;
+	int	pwval;
 
 	/* beep is disabled until the 1st call of crdioctl() */
 	pccard_beep_select(BEEP_ON);
@@ -1070,6 +1071,35 @@
 		else
 			pccard_failure_beep();
 		return err;
+	/*
+	 * Virtual removal/insertion
+	 */
+	case PIOCSVIR:
+		pwval = *(int *)data;
+		/* virtual removal */
+		if (!pwval) {
+			if (slt->state != filled) {
+				return EINVAL;
+			}
+			s = splhigh();
+			disable_slot(slt);
+			slt->laststate = filled;
+			slt->state = empty;
+			splx(s);
+			pccard_remove_beep();
+			selwakeup(&slt->selp);
+		}
+		/* virtual insertion */
+		else {
+			if (slt->state != empty) {
+				return EINVAL;
+			}
+			slt->insert_seq = 1;
+			slt->insert_ch = timeout(inserted, (void *)slt, hz/4);
+			pccard_insert_beep();
+			break;
+		}
+		break;
 	case PIOCSBEEP:
 		if (pccard_beep_select(*(int *)data)) {
 			return EINVAL;


--- usr.sbin/pccard/pccardc/Makefile	Sat Aug 28 19:18:20 1999
+++ usr.sbin/pccard/pccardc/Makefile	Fri Sep  3 22:34:05 1999
@@ -5,7 +5,7 @@
 #
 PROG=	pccardc
 SRCS=	beep.c dumpcis.c enabler.c pccardc.c pccardmem.c printcis.c \
-	rdattr.c rdmap.c rdreg.c readcis.c wrattr.c wrreg.c
+	rdattr.c rdmap.c rdreg.c readcis.c wrattr.c wrreg.c power.c
 MAN8=	pccardc.8
 
 CFLAGS+=	-I${.CURDIR}/../pccardd
--- usr.sbin/pccard/pccardc/pccardc.c	Sat Aug 28 19:18:20 1999
+++ usr.sbin/pccard/pccardc/pccardc.c	Fri Sep  3 22:33:54 1999
@@ -41,11 +41,13 @@
 DECL(enabler_main);
 DECL(help_main);
 DECL(pccardmem_main);
+DECL(power_main);
 DECL(rdattr_main);
 DECL(rdmap_main);
 DECL(rdreg_main);
 DECL(wrattr_main);
 DECL(wrreg_main);
 
 struct {
 	char   *name;
@@ -57,11 +59,13 @@
 	{ "enabler", enabler_main, "Device driver enabler" },
 	{ "help", help_main, "Prints command summary" },
 	{ "pccardmem", pccardmem_main, "Allocate memory for pccard driver" },
+	{ "power", power_main, "Power on/off slots" },
 	{ "rdattr", rdattr_main, "Read attribute memory" },
 	{ "rdmap", rdmap_main, "Read pcic mappings" },
 	{ "rdreg", rdreg_main, "Read pcic register" },
 	{ "wrattr", wrattr_main, "Write byte to attribute memory" },
 	{ "wrreg", wrreg_main, "Write pcic register" },
 	{ 0, 0 }
 };
 
--- usr.sbin/pccard/pccardc/power.c	Thu Jan  1 09:00:00 1970
+++ usr.sbin/pccard/pccardc/power.c	Wed Sep  1 22:44:02 1999
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1995 Andrew McRae.  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. 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.
+ */
+
+/*
+ * Code cleanup, bug-fix and extension
+ * by Tatsumi Hosokawa <hosokawa@mt.cs.keio.ac.jp>
+ */
+
+#ifndef lint
+static const char rcsid[] =
+	"$Id: power.c,v 1.3 1999/02/11 05:00:54 kuriyama Exp $";
+#endif /* not lint */
+
+#include <ctype.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#include <pccard/cardinfo.h>
+
+int
+power_main(argc, argv)
+	int     argc;
+	char   *argv[];
+{
+	int     fd, i, newstat, valid = 1;
+	char    name[64], *p;
+
+	if (argc != 3)
+		valid = 0;
+	for (i = 1; i <= 2; i++) {
+		if (valid) {
+			for (p = argv[i]; *p; p++) {
+				if (!isdigit(*p)) {
+					valid = 0;
+					break;
+				}
+			}
+		}
+	}
+	if (!valid)
+		errx(1, "Usage: %s power slot newstat", argv[0]);
+
+	sscanf(argv[2], "%d", &newstat);
+	sprintf(name, CARD_DEVICE, atoi(argv[1]));
+	fd = open(name, O_RDWR);
+	if (fd < 0)
+		err(1, "%s", name);
+	newstat = newstat ? 1 : 0;
+	if (ioctl(fd, PIOCSVIR, &newstat) < 0)
+		err(1, "ioctl (PIOCSVIR)");
+	return 0;
+}
--- usr.sbin/pccard/pccardc/pccardc.8.org	Wed Oct 13 00:35:08 1999
+++ usr.sbin/pccard/pccardc/pccardc.8	Wed Oct 13 00:37:11 1999
@@ -54,6 +54,8 @@
 Print command summary
 .It Pa pccardmem
 Allocate memory for pccard driver
+.It Pa power
+Power on/off slots
 .It Pa rdattr
 Read attribute memory
 .It Pa rdmap
@@ -161,6 +163,21 @@
 .Pa pccard_mem
 in
 .Xr rc.conf 5 .
+.It
+.Nm power Ar slot 0|1
+.Pp
+It turns ON/OFF a power supply of a card in the slot specified in
+.Ar slot .
+.Pp
+.Bl -tag -width Ds
+.It Ar 0
+turn OFF a power supply. If a card becomes unstable when it is removed at
+activate state,
+this can force it to turn into inactive state first and remove it safely.
+.It Ar 1
+turn ON a power supply and into active state similar to a card insertion.
+.El
+.Pp
 .It
 .Nm rdattr Ar slot offs length
 .Pp


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