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- Disable cards when doing a suspend by emulating that they have been

Browse source 
removed.  Add a new state 'suspend' so we 'fake' insertion events at
  resume time for the cards that have been suspended.

[
The code still works if you remove the card during suspend, switch the
card during suspend, or combinations of both.
]

Reviewed by:	frf@xocolatl.com
This commit is contained in:
Nate Williams 1997-10-28 17:51:25 +00:00
parent af8eceb3f6
commit ec510cabb0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=30815
4 changed files with 17 additions and 11 deletions
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2
sys/pccard/card.h
View file

@ -54,7 +54,7 @@
/* /*
* Slot states for PIOCGSTATE * Slot states for PIOCGSTATE
*/ */
enum cardstate { noslot, empty, filled }; enum cardstate { noslot, empty, suspend, filled };
/* /*
* Descriptor structure for memory map. * Descriptor structure for memory map.

2
sys/pccard/cardinfo.h
View file

@ -54,7 +54,7 @@
/* /*
* Slot states for PIOCGSTATE * Slot states for PIOCGSTATE
*/ */
enum cardstate { noslot, empty, filled }; enum cardstate { noslot, empty, suspend, filled };
/* /*
* Descriptor structure for memory map. * Descriptor structure for memory map.

19
sys/pccard/pccard.c
View file

@ -372,6 +372,14 @@ slot_suspend(void *arg)
{ {
struct slot *slt = arg; struct slot *slt = arg;
/* This code stolen from pccard_event:card_removed */
if (slt->state == filled) {
int s = splhigh();
disable_slot(slt);
slt->state = suspend;
splx(s);
printf("Card disabled, slot %d\n", slt->slotnum);
}
slt->ctrl->disable(slt); slt->ctrl->disable(slt);
return (0); return (0);
} }
@ -383,16 +391,11 @@ slot_resume(void *arg)
if (pcic_resume_reset) if (pcic_resume_reset)
slt->ctrl->resume(slt); slt->ctrl->resume(slt);
/* Fake card removal/insertion events */ /* This code stolen from pccard_event:card_inserted */
if (slt->state == filled) { if (slt->state == suspend) {
int s;
s = splhigh();
disable_slot(slt);
slt->state = empty; slt->state = empty;
splx(s);
slt->insert_seq = 1; slt->insert_seq = 1;
slt->insert_ch = timeout(inserted, (void *)slt, hz); slt->insert_ch = timeout(inserted, (void *)slt, hz/4);
selwakeup(&slt->selp); selwakeup(&slt->selp);
} }
return (0); return (0);

5
usr.sbin/pccard/pccardd/cardd.c
View file

@ -26,7 +26,7 @@
#ifndef lint #ifndef lint
static const char rcsid[] = static const char rcsid[] =
"$Id: cardd.c,v 1.18 1997/10/06 11:36:06 charnier Exp $"; "$Id: cardd.c,v 1.19 1997/10/26 04:36:24 nate Exp $";
#endif /* not lint */ #endif /* not lint */
#include <fcntl.h> #include <fcntl.h>
@ -227,6 +227,9 @@ slot_change(struct slot *sp)
case filled: case filled:
card_inserted(sp); card_inserted(sp);
break; break;
case suspend:
/* ignored */
break;
} }
} }