shithub: riscv

Download patch

ref: 225cc4af5c5be518460b204aaba7beb9e013d6a7
parent: 805fe4660e71ebb2fc18b5da1fee50b02b9a8b4e
author: ppatience0 <[email protected]>
date: Tue Oct 1 22:25:43 EDT 2013 

nusb/ether: add rtl8150 driver, remove unused includes


--- a/sys/src/9/boot/nusbrc
+++ b/sys/src/9/boot/nusbrc
@@ -18,6 +18,8 @@
 			nusb/ether -t a88178 $etherargs $1 &
 		case 2001abc1
 			nusb/ether -t aue $etherargs $1 &
+		case 0bda8150
+			nusb/ether -t url $etherargs $1 &
 		case *
 			switch($4){
 			case *03
--- a/sys/src/cmd/nusb/ether/asix.c
+++ b/sys/src/cmd/nusb/ether/asix.c
@@ -8,10 +8,6 @@
 #include <u.h>
 #include <libc.h>
 #include <thread.h>
-#include <bio.h>
-#include <auth.h>
-#include <fcall.h>
-#include <9p.h>
 
 #include "usb.h"
 #include "dat.h"
--- a/sys/src/cmd/nusb/ether/aue.c
+++ b/sys/src/cmd/nusb/ether/aue.c
@@ -7,10 +7,6 @@
 #include <u.h>
 #include <libc.h>
 #include <thread.h>
-#include <bio.h>
-#include <auth.h>
-#include <fcall.h>
-#include <9p.h>
 
 #include "usb.h"
 #include "dat.h"
@@ -80,7 +76,6 @@
 static int csr8r(Dev *, int);
 static int csr16r(Dev *, int);
 static int csr8w(Dev *, int, int);
-static int csr16w(Dev *, int, int);
 static int eeprom16r(Dev *, int);
 static void reset(Dev *);
 static int aueread(Dev *, uchar *, int);
@@ -129,22 +124,6 @@
 		val&0xff, reg, &v, sizeof v);
 	if(rc < 0) {
 		fprint(2, "%s: csr8w(%#x, %#x): %r\n",
-			argv0, reg, val);
-	}
-	return rc;
-}
-
-static int
-csr16w(Dev *d, int reg, int val)
-{
-	int rc;
-	uchar v[2];
-
-	PUT2(v, val);
-	rc = usbcmd(d, Rh2d|Rvendor|Rdev, Writereg,
-		val&0xffff, reg, v, sizeof v);
-	if(rc < 0) {
-		fprint(2, "%s: csr16w(%#x, %#x): %r\n",
 			argv0, reg, val);
 	}
 	return rc;
--- a/sys/src/cmd/nusb/ether/cdc.c
+++ b/sys/src/cmd/nusb/ether/cdc.c
@@ -5,10 +5,6 @@
 #include <u.h>
 #include <libc.h>
 #include <thread.h>
-#include <bio.h>
-#include <auth.h>
-#include <fcall.h>
-#include <9p.h>
 #include <ip.h>
 
 #include "usb.h"
--- a/sys/src/cmd/nusb/ether/ether.c
+++ b/sys/src/cmd/nusb/ether/ether.c
@@ -1,8 +1,6 @@
 #include <u.h>
 #include <libc.h>
 #include <thread.h>
-#include <bio.h>
-#include <auth.h>
 #include <fcall.h>
 #include <9p.h>
 #include <ip.h>
@@ -758,6 +756,7 @@
 extern int a88772init(Dev *);
 extern int smscinit(Dev *);
 extern int cdcinit(Dev *);
+extern int urlinit(Dev *);
 
 static struct {
 	char *name;
@@ -768,6 +767,7 @@
 	"a88178",	a88178init,
 	"a88772",	a88772init,
 	"aue", aueinit,
+	"url", urlinit,
 };
 
 void
--- a/sys/src/cmd/nusb/ether/mkfile
+++ b/sys/src/cmd/nusb/ether/mkfile
@@ -5,7 +5,7 @@
 
 TARG=ether
 HFILES=
-OFILES=ether.$O cdc.$O smsc.$O asix.$O aue.$O
+OFILES=ether.$O cdc.$O smsc.$O asix.$O aue.$O url.$O
 
 </sys/src/cmd/mkone
 
--- a/sys/src/cmd/nusb/ether/smsc.c
+++ b/sys/src/cmd/nusb/ether/smsc.c
@@ -5,11 +5,6 @@
 #include <u.h>
 #include <libc.h>
 #include <thread.h>
-#include <bio.h>
-#include <auth.h>
-#include <fcall.h>
-#include <9p.h>
-#include <ip.h>
 
 #include "usb.h"
 #include "dat.h"
--- /dev/null
+++ b/sys/src/cmd/nusb/ether/url.c
@@ -1,0 +1,337 @@
+/*
+* realtek rtl8150 10/100 usb ethernet device driver
+*
+* copy-pasted from shingo watanabe's openbsd url(4) driver
+* and bill paul's and shunsuke akiyama's freebsd rue(4) driver
+*/
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+
+#include "usb.h"
+#include "dat.h"
+
+enum {
+	Timeout = 50,
+	Mfl = 60, /* min frame len */
+};
+
+enum { /* requests */
+	Rqm = 0x05, /* request mem */
+	Crm = 1, /* command read mem */
+	Cwm = 2, /* command write mem */
+};
+
+enum { /* registers */
+	Idr0 = 0x120, /* ether addr, load from 93c46 */
+	Idr1 = 0x121,
+	Idr2 = 0x122,
+	Idr3 = 0x123,
+	Idr4 = 0x124,
+	Idr5 = 0x125,
+
+	Mar0 = 0x126, /* multicast addr */
+	Mar1 = 0x127,
+	Mar2 = 0x128,
+	Mar3 = 0x129,
+	Mar4 = 0x12a,
+	Mar5 = 0x12b,
+	Mar6 = 0x12c,
+	Mar7 = 0x12d,
+
+	Cr = 0x12e, /* command */
+	Tcr = 0x12f, /* transmit control */
+	Rcr = 0x130, /* receive configuration */
+	Tsr = 0x132,
+	Rsr = 0x133,
+	Con0 = 0x135,
+	Con1 = 0x136,
+	Msr = 0x137, /* media status */
+	Phyar = 0x138, /* mii phy addr select */
+	Phydr = 0x139, /* mii phy data */
+	Phycr = 0x13b, /* mii phy control */
+	Gppc = 0x13d,
+	Wcr = 0x13e, /* wake count */
+	Bmcr = 0x140, /* basic mode control */
+	Bmsr = 0x142, /* basic mode status */
+	Anar = 0x144, /* an advertisement */
+	Anlp = 0x146, /* an link partner ability */
+	Aner = 0x148,
+	Nwtr = 0x14a, /* nway test */
+	Cscr = 0x14c,
+
+	Crc0 = 0x14e,
+	Crc1 = 0x150,
+	Crc2 = 0x152,
+	Crc3 = 0x154,
+	Crc4 = 0x156,
+
+	Bm0 = 0x158, /* byte mask */
+	Bm1 = 0x160,
+	Bm2 = 0x168,
+	Bm3 = 0x170,
+	Bm4 = 0x178,
+	
+	Phy1 = 0x180,
+	Phy2 = 0x184,
+	Tw1 = 0x186
+};
+
+enum { /* Cr */
+	We = 1 << 5, /* eeprom write enable */
+	Sr = 1 << 4, /* software reset */
+	Re = 1 << 3, /* ethernet receive enable */
+	Te = 1 << 2, /* ethernet transmit enable */
+	Ep3ce = 1 << 1, /* enable clr of perf counter */
+	Al = 1 << 0 /* auto-load contents of 93c46 */
+};
+
+enum { /* Tcr */
+	Tr1 = 1 << 7, /* tx retry count */
+	Tr0 = 1 << 6,
+	Ifg1 = 1 << 4, /* interframe gap time */
+	Ifg0 = 1 << 3,
+	Nocrc = 1 << 0 /* no crc appended */
+};
+
+enum { /* Rcr */
+	Tail = 1 << 7,
+	Aer = 1 << 6,
+	Ar = 1 << 5,
+	Am = 1 << 4,
+	Ab = 1 << 3,
+	Ad = 1 << 2,
+	Aam = 1 << 1,
+	Aap = 1 << 0
+};
+
+enum { /* Msr */
+	Tfce = 1 << 7,
+	Rfce = 1 << 6,
+	Mdx = 1 << 4, /* duplex */
+	S100 = 1 << 3, /* speed 100 */
+	Lnk = 1 << 2,
+	Tpf = 1 << 1,
+	Rpf = 1 << 0
+};
+
+enum { /* Phyar */
+	Phyamsk = 0x1f
+};
+
+enum { /* Phycr */
+	Phyown = 1 << 6, /* own bit */
+	Rwcr = 1 << 5, /* mii mgmt data r/w control */
+	Phyoffmsk = 0x1f /* phy register offset */
+};
+
+enum { /* Bmcr */
+	Spd = 0x2000, /* speed set */
+	Bdx = 0x0100 /* duplex */
+};
+
+enum { /* Anar */
+	Ap = 0x0400 /* pause */
+};
+
+enum { /* Anlp */
+	Lpp = 0x0400 /* pause */
+};
+
+enum { /* eeprom address declarations */
+	Ebase = 0x1200,
+	Eidr0 = Ebase + 0x02,
+	Eidr1 = Ebase + 0x03,
+	Eidr2 = Ebase + 0x03,
+	Eidr3 = Ebase + 0x03,
+	Eidr4 = Ebase + 0x03,
+	Eidr5 = Ebase + 0x03,
+	Eint = Ebase + 0x17 /* interval */
+};
+
+enum { /* receive header */
+	Bcm = 0x0fff, /* rx bytes count mask */
+	Vpm = 0x1000, /* valid packet mask */
+	Rpm = 0x2000, /* runt packet mask */
+	Ppm = 0x4000, /* physical match packet mask */
+	Mpm = 0x8000 /* multicast packet mask */
+};
+
+static int mem(Dev *, int, int, uchar *, int);
+static int csr8r(Dev *, int);
+static int csr16r(Dev *, int);
+static int csr8w(Dev *, int, int);
+static int csr16w(Dev *, int, int);
+static int csr32w(Dev *, int, int);
+static void reset(Dev *);
+static int urlread(Dev *, uchar *, int);
+static void urlwrite(Dev *, uchar *, int);
+int urlinit(Dev *);
+
+static int
+mem(Dev *d, int cmd, int off, uchar *buf, int len)
+{
+	int r, rc;
+
+	if(d == nil)
+		return 0;
+	r = Rvendor | Rdev;
+	if(cmd == Crm)
+		r |= Rd2h;
+	else
+		r |= Rh2d;
+	rc = usbcmd(d, r, Rqm, off, 0, buf, len);
+	if(rc < 0) {
+		fprint(2, "%s: mem(%d, %#.4x) failed\n",
+			argv0, cmd, off);
+	}
+	return rc;
+}
+
+static int
+csr8r(Dev *d, int reg)
+{
+	uchar v;
+
+	v = 0;
+	if(mem(d, Crm, reg, &v, sizeof v) < 0)
+		return 0;
+	return v;
+}
+
+static int
+csr16r(Dev *d, int reg)
+{
+	uchar v[2];
+
+	PUT2(v, 0);
+	if(mem(d, Crm, reg, v, sizeof v) < 0)
+		return 0;
+	return GET2(v);
+}
+
+static int
+csr8w(Dev *d, int reg, int val)
+{
+	uchar v;
+
+	v = val;
+	if(mem(d, Cwm, reg, &v, sizeof v) < 0)
+		return -1;
+	return 0;
+}
+
+static int
+csr16w(Dev *d, int reg, int val)
+{
+	uchar v[2];
+
+	PUT2(v, val);
+	if(mem(d, Cwm, reg, v, sizeof v) < 0)
+		return -1;
+	return 0;
+}
+
+static int
+csr32w(Dev *d, int reg, int val)
+{
+	uchar v[4];
+
+	PUT4(v, val);
+	if(mem(d, Cwm, reg, v, sizeof v) < 0)
+		return -1;
+	return 0;
+}
+
+static void
+reset(Dev *d)
+{
+	int i, r;
+
+	r = csr8r(d, Cr) | Sr;
+	csr8w(d, Cr, r);
+
+	for(i = 0; i < Timeout; i++) {
+		if((csr8r(d, Cr) & Sr) == 0)
+			break;
+		sleep(10);
+	}
+	if(i >= Timeout)
+		fprint(2, "%s: reset failed\n", argv0);
+
+	sleep(100);
+}
+
+static int
+urlread(Dev *ep, uchar *p, int plen)
+{
+	int n;
+	uint hd;
+	uchar *q;
+
+	if(nbin < 4)
+		nbin = read(ep->dfd, bin, sizeof bin);
+	if(nbin < 0)
+		return -1;
+	if(nbin < 4)
+		return 0;
+	n = nbin - 4;
+	if(n < 6) {
+		nbin = 0;
+		return 0;
+	}
+	q = bin + n;
+	hd = GET2(q);
+	if((hd & Vpm) == 0) {
+		fprint(2, "url: rx error: %#.4ux\n", hd);
+		n = 0;
+	} else {
+		if(n > plen)
+			n = plen;
+		if(n > 0)
+			memmove(p, bin, n);
+	}
+	nbin = 0;
+	return n;
+}
+
+static void
+urlwrite(Dev *ep, uchar *p, int n)
+{
+	if(n > sizeof bout)
+		n = sizeof bout;
+	memmove(bout, p, n);
+	if(n < Mfl) {
+		memset(bout+n, 0, Mfl-n);
+		n = Mfl;
+	}
+	write(ep->dfd, bout, n);
+}
+
+int
+urlinit(Dev *d)
+{
+	int i, r;
+
+	reset(d);
+	if(mem(d, Crm, Idr0, macaddr, sizeof macaddr) < 0)
+		return -1;
+
+	reset(d);
+	for(i = 0; i < sizeof macaddr; i++)
+		csr8w(d, Idr0+i, macaddr[i]);
+
+	csr8w(d, Tcr, Tr1|Tr0|Ifg1|Ifg0);
+	csr16w(d, Rcr, Tail|Ad|Ab);
+
+	r = csr16r(d, Rcr) & ~(Am | Aam | Aap);
+	csr16w(d, Rcr, r);
+	csr32w(d, Mar0, 0);
+	csr32w(d, Mar4, 0);
+
+	csr8w(d, Cr, Te|Re);
+
+	epwrite = urlwrite;
+	epread = urlread;
+	return 0;
+}