From 6559ff40470c06ff38dedb173bbc3b2a7233a294 Mon Sep 17 00:00:00 2001
From: roger <roger@FreeBSD.org>
Date: Wed, 10 Mar 1999 15:00:54 +0000
Subject: Updated to use new APIC (SMP) safe interrupt register/unregister
 functions. Posted for review to -smp and -mobile and -hackers with no
 objections.

Reviewed by:	Nate
---
 sys/pccard/pccard.c |  7 ++++---
 sys/pccard/pcic.c   | 48 ++++++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 48 insertions(+), 7 deletions(-)

(limited to 'sys')

diff --git a/sys/pccard/pccard.c b/sys/pccard/pccard.c
index dd76c24..7d416a9 100644
--- a/sys/pccard/pccard.c
+++ b/sys/pccard/pccard.c
@@ -28,7 +28,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: pccard.c,v 1.71 1999/02/13 11:31:59 kuriyama Exp $
+ *	$Id: pccard.c,v 1.72 1999/02/14 20:41:01 guido Exp $
  */
 
 #include "opt_devfs.h"
@@ -60,6 +60,7 @@
 
 #include <pccard/cardinfo.h>
 #include <pccard/driver.h>
+#include <pccard/pcic.h>
 #include <pccard/slot.h>
 
 #include <machine/md_var.h>
@@ -339,7 +340,7 @@ unregister_device_interrupt(struct pccard_devinfo *devi)
 			printf("Return IRQ=%d\n",slt->irq);
 			slt->ctrl->mapirq(slt, 0);
 			INTRDIS(1<<slt->irq);
-			unregister_intr(slt->irq, slot_irq_handler);
+			unregister_pcic_intr(slt->irq, slot_irq_handler);
 			if (devi->drv->imask)
 				INTRUNMASK(*devi->drv->imask,(1<<slt->irq));
 			/* Remove from the PCIC controller imask */
@@ -526,7 +527,7 @@ pccard_alloc_intr(u_int imask, inthand2_t *hand, int unit,
 		if (!(mask & imask))
 			continue;
 		INTRMASK(*maskp, mask);
-		if (register_intr(irq, 0, 0, hand, maskp, unit) == 0) {
+		if (register_pcic_intr(irq, 0, 0, hand, maskp, unit) == 0) {
 			/* add this to the PCIC controller's mask */
 			if (pcic_imask)
 				INTRMASK(*pcic_imask, (1 << irq));
diff --git a/sys/pccard/pcic.c b/sys/pccard/pcic.c
index 651c1d5..c087239 100644
--- a/sys/pccard/pcic.c
+++ b/sys/pccard/pcic.c
@@ -53,6 +53,11 @@
 #include <pccard/cardinfo.h>
 #include <pccard/driver.h>
 #include <pccard/slot.h>
+#include <pccard/pcic.h>
+
+#ifdef APIC_IO
+#include <machine/smp.h>
+#endif 
 
 /*
  *	Prototypes for interrupt handler.
@@ -159,6 +164,41 @@ putw(struct pcic_slot *sp, int reg, unsigned short word)
 
 
 /*
+ * Gerneral functions for registering and unregistering interrupts.
+ * isa_to_apic() is used to map the ISA IRQ onto the APIC IRQ to
+ * check if the APIC IRQ is used or free.
+ */
+#ifdef APIC_IO
+int register_pcic_intr(int intr, int device_id, u_int flags,
+                       inthand2_t handler, u_int *maskptr, int unit){
+	int apic_intr;
+	apic_intr = isa_apic_irq(intr);
+	if (apic_intr <0)  return -1;
+	else  return register_intr(apic_intr, device_id, flags, handler,
+			           maskptr, unit);
+}
+
+int unregister_pcic_intr(int intr, inthand2_t handler){
+	int apic_intr;
+	apic_intr = isa_apic_irq(intr);
+	return  unregister_intr(apic_intr, handler);
+}
+
+#else /* Not APIC_IO */
+
+static int register_pcic_intr(int intr, int device_id, u_int flags,
+                              inthand2_t handler, u_int *maskptr, int unit){
+	return register_intr(intr, device_id, flags, handler, maskptr, unit);
+}
+
+static int unregister_pcic_intr(int intr, inthand2_t handler){
+	return unregister_intr(intr, handler);
+}
+
+#endif /* APIC_IO */
+
+
+/*
  *	Loadable kernel module interface.
  */
 
@@ -228,7 +268,7 @@ pcic_unload()
 			if (sp->slt)
 				sp->putb(sp, PCIC_STAT_INT, 0);
 		}
-		unregister_intr(pcic_irq, pcicintr);
+		unregister_pcic_intr(pcic_irq, pcicintr);
 	}
 	pccard_remove_controller(&cinfo);
 	return(0);
@@ -282,12 +322,12 @@ build_freelist(u_int pcic_mask)
 		 */ 
 		mask = 1 << irq; 
 		if (!(mask & pcic_mask)) continue; 
- 
+
 		/* See if the IRQ is free. */
-		if (register_intr(irq, 0, 0, nullfunc, NULL, irq) == 0) {
+		if (register_pcic_intr(irq, 0, 0, nullfunc, NULL, irq) == 0) {
 			/* Give it back, but add it to the mask */ 
 			INTRMASK(freemask, mask); 
-			unregister_intr(irq, nullfunc); 
+			unregister_pcic_intr(irq, nullfunc); 
 		}
 	} 
 #ifdef PCIC_DEBUG
-- 
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