From 0d941989b452d48363e8af021d1c89eebbbc8a97 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 1 Nov 2001 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2001-11-01

---
 pc/devlml.c     | 15 ++++-----
 pc/devlml.h     |  3 +-
 pc/ether2114x.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 96 insertions(+), 11 deletions(-)

diff --git a/pc/devlml.c b/pc/devlml.c
index ab76569db16d64960e58655eafac41f9ef2089cf..bddbf1feb25df6ce72392416814fe0f716d32a68 100644
--- a/pc/devlml.c
+++ b/pc/devlml.c
@@ -17,7 +17,7 @@ static Pcidev *		pcidev;
 #define DBGINTR	0x04
 #define DBGINTS	0x08
 
-int debug = -1;
+int debug = 0;
 
 // Lml 22 driver
 
@@ -44,19 +44,19 @@ static FrameHeader	jpgheader[NBUF] = {
 	{
 		MRK_SOI, MRK_APP3, (sizeof(FrameHeader)-4) << 8,
 		{ 'L', 'M', 'L', '\0'},
-		-1, 0, 0, 0, 0
+		-1, 0, 0,  0
 	}, {
 		MRK_SOI, MRK_APP3, (sizeof(FrameHeader)-4) << 8,
 		{ 'L', 'M', 'L', '\0'},
-		-1, 0, 0, 0, 0
+		-1, 0, 0,  0
 	}, {
 		MRK_SOI, MRK_APP3, (sizeof(FrameHeader)-4) << 8,
 		{ 'L', 'M', 'L', '\0'},
-		-1, 0, 0, 0, 0
+		-1, 0, 0,  0
 	}, {
 		MRK_SOI, MRK_APP3, (sizeof(FrameHeader)-4) << 8,
 		{ 'L', 'M', 'L', '\0'},
-		-1, 0, 0, 0, 0
+		-1, 0, 0,  0
 	}
 };
 
@@ -331,7 +331,6 @@ lmlintr(Ureg *, void *) {
 	writel(0xff000000, pciBaseAddr + INTR_STAT);
 
 	if(flags & INTR_JPEGREP) {
-		vlong thetime;
 
 		if(debug&(DBGINTR))
 			print("MjpgDrv_intrHandler stat=0x%.8lux\n", flags);
@@ -348,9 +347,7 @@ lmlintr(Ureg *, void *) {
 				return;
 			}
 		}
-		thetime = todget(nil);
-		jpgheader[fno].sec  = (ulong)(thetime / 1000000000LL);
-		jpgheader[fno].nsec = (ulong)(thetime % 1000000000LL);
+		jpgheader[fno].ftime  = todget(nil);
 		jpgheader[fno].frameSize =
 			(codeData->statCom[fno] & 0x00ffffff) >> 1;
 		jpgheader[fno].frameSeqNo = codeData->statCom[fno] >> 24;
diff --git a/pc/devlml.h b/pc/devlml.h
index 93068108a9552709968f1a28fb223fe1d4cf138f..e25d83fba58c383ace4c29be948dc42d866dc4e5 100644
--- a/pc/devlml.h
+++ b/pc/devlml.h
@@ -70,8 +70,7 @@ struct FrameHeader {	// Don't modify this struct, used by h/w
 	ushort lenAPP3;
 	char nm[4];
 	ushort frameNo;
-	ulong sec;
-	ulong nsec;
+	vlong ftime;
 	ulong frameSize;
 	ulong frameSeqNo;
 };
diff --git a/pc/ether2114x.c b/pc/ether2114x.c
index e138bd1e0381b9f32c28e494c700780381478562..06c835b2bfc2c1742263e53866fa472dc86a48f0 100644
--- a/pc/ether2114x.c
+++ b/pc/ether2114x.c
@@ -1018,6 +1018,83 @@ typesymmode(Ctlr *ctlr, uchar *block, int wait)
 	return 0;
 }
 
+static int
+type2mode(Ctlr* ctlr, uchar* block, int)
+{
+	uchar *p;
+	int csr6, csr13, csr14, csr15, gpc, gpd;
+
+	csr6 = Sc|Mbo|Ca|Sb|TrMODE;
+	debug("type2mode: medium 0x%2.2uX\n", block[2]);
+
+	/*
+	 * Don't attempt full-duplex
+	 * unless explicitly requested.
+	 */
+	if((block[2] & 0x3F) == 0x04){	/* 10BASE-TFD */
+		if(!ctlr->fd)
+			return -1;
+		csr6 |= Fd;
+	}
+
+	/*
+	 * Operating mode programming values from the datasheet
+	 * unless media specific data is explicitly given.
+	 */
+	p = &block[3];
+	if(block[2] & 0x40){
+		csr13 = (block[4]<<8)|block[3];
+		csr14 = (block[6]<<8)|block[5];
+		csr15 = (block[8]<<8)|block[7];
+		p += 6;
+	}
+	else switch(block[2] & 0x3F){
+	default:
+		return -1;
+	case 0x00:			/* 10BASE-T */
+		csr13 = 0x00000001;
+		csr14 = 0x00007F3F;
+		csr15 = 0x00000008;
+		break;
+	case 0x01:			/* 10BASE-2 */
+		csr13 = 0x00000009;
+		csr14 = 0x00000705;
+		csr15 = 0x00000006;
+		break;
+	case 0x02:			/* 10BASE-5 (AUI) */
+		csr13 = 0x00000009;
+		csr14 = 0x00000705;
+		csr15 = 0x0000000E;
+		break;
+	case 0x04:			/* 10BASE-TFD */
+		csr13 = 0x00000001;
+		csr14 = 0x00007F3D;
+		csr15 = 0x00000008;
+		break;
+	}
+	gpc = *p++<<16;
+	gpc |= *p++<<24;
+	gpd = *p++<<16;
+	gpd |= *p<<24;
+
+	csr32w(ctlr, 13, 0);
+	csr32w(ctlr, 14, csr14);
+	csr32w(ctlr, 15, gpc|csr15);
+	delay(10);
+	csr32w(ctlr, 15, gpd|csr15);
+	csr32w(ctlr, 13, csr13);
+
+	ctlr->csr6 = csr6;
+	csr32w(ctlr, 6, ctlr->csr6);
+
+	debug("type2mode: csr13 %8.8uX csr14 %8.8uX csr15 %8.8uX\n",
+		csr13, csr14, csr15);
+	debug("type2mode: gpc %8.8uX gpd %8.8uX csr6 %8.8uX\n",
+		gpc, gpd, csr6);
+
+	return 0;
+}
+
 static int
 type0link(Ctlr* ctlr, uchar* block)
 {
@@ -1109,11 +1186,23 @@ mediaxx(Ether* ether, int wait)
 			if(typephymode(ctlr, block, wait))
 				return 0;
 			break;
+		case 2:
+			debug("type2: medium %d block[2] %d\n",
+				ctlr->medium, block[2]);
+			if(ctlr->medium >= 0 && ((block[2] & 0x3F) != ctlr->medium))
+				return 0;
+			if(type2mode(ctlr, block, wait))
+				return 0;
+			break;
 		case 3:
 			if(typephymode(ctlr, block, wait))
 				return 0;
 			break;
 		case 4:
+			debug("type4: medium %d block[2] %d\n",
+				ctlr->medium, block[2]);
+			if(ctlr->medium >= 0 && ((block[2] & 0x3F) != ctlr->medium))
+				return 0;
 			if(typesymmode(ctlr, block, wait))
 				return 0;
 			break;