Implement pccardc power command. This allows one to power off

individual slots at one's whim.  Useful for turning the slots into
card carrying cases, etc.  Patch was originally from mihira-san in
message to freebsd-mobile.  He ported the code originally from PAO.

Submitted by: MIHIRA Sanpei Yoshiro <sanpei@sanpei.org>

3 files changed, 20 insertions, 1 deletions

diff --git a/usr.sbin/pccard/pccardc/Makefile b/usr.sbin/pccard/pccardc/Makefile
index 902ea18..679b47d 100644
--- a/usr.sbin/pccard/pccardc/Makefile
+++ b/usr.sbin/pccard/pccardc/Makefile
@@ -4,7 +4,7 @@
 # $FreeBSD$
 #
 PROG=	pccardc
-SRCS=	beep.c dumpcis.c enabler.c pccardc.c pccardmem.c printcis.c \
+SRCS=	beep.c dumpcis.c enabler.c pccardc.c pccardmem.c power.c printcis.c \
 	rdattr.c rdmap.c rdreg.c readcis.c wrattr.c wrreg.c
 MAN8=	pccardc.8
 
diff --git a/usr.sbin/pccard/pccardc/pccardc.8 b/usr.sbin/pccard/pccardc/pccardc.8
index 25662a4..a5714ca 100644
--- a/usr.sbin/pccard/pccardc/pccardc.8
+++ b/usr.sbin/pccard/pccardc/pccardc.8
@@ -54,6 +54,8 @@ Device driver enabler
 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
@@ -162,6 +164,21 @@ This subcommand corresponds to
 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
 Prints a hex dump
diff --git a/usr.sbin/pccard/pccardc/pccardc.c b/usr.sbin/pccard/pccardc/pccardc.c
index c162a2a..743493b 100644
--- a/usr.sbin/pccard/pccardc/pccardc.c
+++ b/usr.sbin/pccard/pccardc/pccardc.c
@@ -41,6 +41,7 @@ DECL(dumpcis_main);
 DECL(enabler_main);
 DECL(help_main);
 DECL(pccardmem_main);
+DECL(power_main);
 DECL(rdattr_main);
 DECL(rdmap_main);
 DECL(rdreg_main);
@@ -57,6 +58,7 @@ struct {
 	{ "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" },