From 194add6117dd4b0cbb1d2101d22f635c4d374095 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 5 Oct 2000 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2000-10-05

---
 pc/devi82365.c | 77 +++++++++++++++++++++++++++++++++-----------------
 pc/mouse.c     |  4 ---
 2 files changed, 51 insertions(+), 30 deletions(-)

diff --git a/pc/devi82365.c b/pc/devi82365.c
index 58c89a41b2c22c7695ad7496dd5c50b6d61446c8..f84e17b19edd0fabc4f334a7bd6a3a6f637642fc 100644
--- a/pc/devi82365.c
+++ b/pc/devi82365.c
@@ -121,6 +121,7 @@ struct I82365
 	int	nslot;
 	int	xreg;		/* index register address */
 	int	dreg;		/* data register address */
+	int	irq;
 };
 static I82365 *controller[4];
 static int ncontroller;
@@ -259,13 +260,20 @@ slotena(Slot *pp)
 	if(pp->enabled)
 		return;
 
+print("-enabling<");
 	/* power up and unreset, wait's are empirical (???) */
 	wrreg(pp, Rpc, Fautopower|Foutena|Fcardena);
+print(">");
 	delay(300);
+print("<");
 	wrreg(pp, Rigc, 0);
+print(">");
 	delay(100);
+print("<");
 	wrreg(pp, Rigc, Fnotreset);
+print(">");
 	delay(500);
+print("...");
 
 	/* get configuration */
 	slotinfo(pp);
@@ -274,6 +282,7 @@ slotena(Slot *pp)
 		pp->enabled = 1;
 	} else
 		wrreg(pp, Rpc, Fautopower);
+print("done-");
 }
 
 /*
@@ -439,20 +448,24 @@ pcmspecial(char *idstr, ISAConf *isa)
 	extern char *strstr(char*, char*);
 
 	i82365reset();
+print("Looking for %s ...", idstr);
 	for(pp = slot; pp < lastslot; pp++){
 		if(pp->special)
 			continue;	/* already taken */
 		increfp(pp);
 
-		if(pp->occupied)
-		if(strstr(pp->verstr, idstr))
-		if(isa == 0 || pcmio(pp->slotno, isa) == 0){
-			pp->special = 1;
-			return pp->slotno;
+		if(pp->occupied) {
+print("[%s] ", pp->verstr);
+			if(strstr(pp->verstr, idstr))
+			if(isa == 0 || pcmio(pp->slotno, isa) == 0){
+				pp->special = 1;
+print("done\n");
+				return pp->slotno;
+			}
 		}
-
 		decrefp(pp);
 	}
+print("not found\n");
 	return -1;
 }
 
@@ -531,10 +544,12 @@ static char *chipname[] =
 };
 
 static I82365*
-i82386probe(int x, int d, int dev)
+i82365probe(int x, int d, int dev)
 {
 	uchar c, id;
 	I82365 *cp;
+	ISAConf isa;
+	int i, nslot;
 
 	outb(x, Rid + (dev<<7));
 	id = inb(d);
@@ -592,6 +607,21 @@ i82386probe(int x, int d, int dev)
 	c = inb(d);
 	outb(d, c & ~Flowpow);
 
+	memset(&isa, 0, sizeof(ISAConf));
+	if(isaconfig("pcmcia", ncontroller, &isa) && isa.irq)
+		cp->irq = isa.irq;
+	else
+		cp->irq = IrqPCMCIA;
+
+	for(i = 0; i < isa.nopt; i++){
+		if(cistrncmp(isa.opt[i], "nslot=", 6))
+			continue;
+		nslot = strtol(&isa.opt[i][6], nil, 0);
+		if(nslot > 0 && nslot <= 2)
+			cp->nslot = nslot;
+	}
+print("%uX/%d: nslot = %d\n", x, dev, cp->nslot);
+
 	controller[ncontroller++] = cp;
 	return cp;
 }
@@ -618,31 +648,26 @@ static void
 i82365reset(void)
 {
 	static int already;
-	int i, j, irq;
+	int i, j;
 	I82365 *cp;
 	Slot *pp;
-	ISAConf isa;
+	char buf[NAMELEN];
 
 	if(already)
 		return;
 	already = 1;
 
-	memset(&isa, 0, sizeof(ISAConf));
-	irq = IrqPCMCIA;
-	if(isaconfig("pcmcia", 0, &isa) && isa.irq)
-		irq = isa.irq;
-
 	/* look for controllers if the ports aren't already taken */
-	if(ioalloc(0x3E0, 2, 0, "i82386.0") >= 0){
-		i82386probe(0x3E0, 0x3E1, 0);
-		i82386probe(0x3E0, 0x3E1, 1);
+	if(ioalloc(0x3E0, 2, 0, "i82365.0") >= 0){
+		i82365probe(0x3E0, 0x3E1, 0);
+		i82365probe(0x3E0, 0x3E1, 1);
 		if(ncontroller == 0)
 			iofree(0x3E0);
 	}
-	if(ioalloc(0x3E2, 2, 0, "i82386.1") >= 0){
+	if(ioalloc(0x3E2, 2, 0, "i82365.1") >= 0){
 		i = ncontroller;
-		i82386probe(0x3E2, 0x3E3, 0);
-		i82386probe(0x3E2, 0x3E3, 1);
+		i82365probe(0x3E2, 0x3E3, 0);
+		i82365probe(0x3E2, 0x3E3, 1);
 		if(ncontroller == i)
 			iofree(0x3E2);
 	}
@@ -655,7 +680,7 @@ i82365reset(void)
 	for(i = 0; i < ncontroller; i++){
 		cp = controller[i];
 		print("#y%d: %d slot %s: port 0x%uX irq %d\n",
-			i, cp->nslot, chipname[cp->type], cp->xreg, irq);
+			i, cp->nslot, chipname[cp->type], cp->xreg, cp->irq);
 		for(j = 0; j < cp->nslot; j++){
 			pp = lastslot++;
 			pp->slotno = pp - slot;
@@ -665,14 +690,14 @@ i82365reset(void)
 			slotdis(pp);
 
 			/* interrupt on status change */
-			wrreg(pp, Rcscic, (irq<<4) | Fchangeena);
+			wrreg(pp, Rcscic, (cp->irq<<4) | Fchangeena);
 			rdreg(pp, Rcsc);
 		}
-	}
 
-	/* for card management interrupts */
-	if(ncontroller)
-		intrenable(irq, i82365intr, 0, BUSUNKNOWN, "i82365");
+		/* for card management interrupts */
+		sprint(buf, "i82365.%d", i);
+		intrenable(cp->irq, i82365intr, 0, BUSUNKNOWN, buf);
+	}
 }
 
 static Chan*
diff --git a/pc/mouse.c b/pc/mouse.c
index bcc1a8ec74c9470057ba0142bcc245c5984b0d08..e895cbfcbc41f5a9c62c4861d9aa2c0abeb20214 100644
--- a/pc/mouse.c
+++ b/pc/mouse.c
@@ -101,10 +101,6 @@ ps2mouse(void)
 	mousetype = MousePS2;
 }
 
-static int intellimouse;
-static int resolution;
-static int accelerated;
-
 static void
 setaccelerated(int x)
 {