ref: 334054e0e7c80a8b6b817089214e5282174fc7c9
parent: 808480f76bedbbe4215da11de31f7403de668b2a
author: ppatience0 <ppatience0@gmail.com>
date: Sat Aug 24 15:18:15 EDT 2013
nusb/ether: add aue driver for admtek pegasus usb ethernet adapter
--- a/sys/src/9/boot/nusbrc
+++ b/sys/src/9/boot/nusbrc
@@ -16,6 +16,8 @@
nusb/ether -t a88772 $etherargs $1 &
case 0b951780 14eaab11 17370039 0411006e 050d5055
nusb/ether -t a88178 $etherargs $1 &
+ case 2001abc1
+ nusb/ether -t aue $etherargs $1 &
case *
switch($4){case *03
--- /dev/null
+++ b/sys/src/cmd/nusb/ether/aue.c
@@ -1,0 +1,254 @@
+/*
+* admtek pegasus driver copy-pasted from bill paul's
+* openbsd/freebsd aue(4) driver, with help
+* from the datasheet and petko manolov's linux
+* drivers/net/usb/pegasus.c driver
+*/
+#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"
+
+enum {+ Readreg = 0xf0,
+ Writereg = 0xf1,
+
+ Ctl0 = 0x00,
+ C0incrxcrc = 1 << 0,
+ C0allmulti = 1 << 1,
+ C0stopbackoff = 1 << 2,
+ C0rxstatappend = 1 << 3,
+ C0wakeonen = 1 << 4,
+ C0rxpauseen = 1 << 5,
+ C0rxen = 1 << 6,
+ C0txen = 1 << 7,
+
+ Ctl1 = 0x01,
+ C1homelan = 1 << 2,
+ C1resetmac = 1 << 3,
+ C1speedsel = 1 << 4,
+ C1duplex = 1 << 5,
+ C1delayhome = 1 << 6,
+
+ Ctl2 = 0x02,
+ C2ep3clr = 1 << 0,
+ C2rxbadpkt = 1 << 1,
+ C2prom = 1 << 2,
+ C2loopback = 1 << 3,
+ C2eepromwren = 1 << 4,
+ C2eepromload = 1 << 5,
+
+ Par = 0x10,
+
+ Eereg = 0x20,
+ Eedata = 0x21,
+
+ Eectl = 0x23,
+ Eectlwr = 1 << 0,
+ Eectlrd = 1 << 1,
+ Eectldn = 1 << 2,
+
+ Phyaddr = 0x25,
+ Phydata = 0x26,
+
+ Phyctl = 0x28,
+ Phyctlphyreg = 0x1f,
+ Phyctlwr = 1 << 5,
+ Phyctlrd = 1 << 6,
+ Phyctldn = 1 << 7,
+
+ Gpio0 = 0x7e,
+ Gpio1 = 0x7f,
+ Gpioin0 = 1 << 0,
+ Gpioout0 = 1 << 1,
+ Gpiosel0 = 1 << 2,
+ Gpioin1 = 1 << 3,
+ Gpioout1 = 1 << 4,
+ Gpiosel1 = 1 << 5,
+
+ Rxerror = 0x1e << 16,
+
+ Timeout = 1000
+};
+
+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);
+static void auewrite(Dev *, uchar *, int);
+
+static int
+csr8r(Dev *d, int reg)
+{+ int rc;
+ uchar v;
+
+ rc = usbcmd(d, Rd2h|Rvendor|Rdev, Readreg,
+ 0, reg, &v, sizeof v);
+ if(rc < 0) {+ fprint(2, "%s: csr8r(%#x): %r\n",
+ argv0, reg);
+ return 0;
+ }
+ return v;
+}
+
+static int
+csr16r(Dev *d, int reg)
+{+ int rc;
+ uchar v[2];
+
+ rc = usbcmd(d, Rd2h|Rvendor|Rdev, Readreg,
+ 0, reg, v, sizeof v);
+ if(rc < 0) {+ fprint(2, "%s: csr16r(%#x): %r\n",
+ argv0, reg);
+ return 0;
+ }
+ return GET2(v);
+}
+
+static int
+csr8w(Dev *d, int reg, int val)
+{+ int rc;
+ uchar v;
+
+ v = val;
+ rc = usbcmd(d, Rh2d|Rvendor|Rdev, Writereg,
+ 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;
+}
+
+static int
+eeprom16r(Dev *d, int off)
+{+ int i;
+
+ csr8w(d, Eereg, off);
+ csr8w(d, Eectl, Eectlrd);
+ for(i = 0; i < Timeout; i++) {+ if(csr8r(d, Eectl) & Eectldn)
+ break;
+ }
+ if(i >= Timeout) {+ fprint(2, "%s: EEPROM read timed out\n",
+ argv0);
+ }
+ return csr16r(d, Eedata);
+}
+
+static void
+reset(Dev *d)
+{+ int i;
+
+ csr8w(d, Ctl1, csr8r(d, Ctl1)|C1resetmac);
+ for(i = 0; i < Timeout; i++) {+ if(!(csr8r(d, Ctl1) & C1resetmac))
+ break;
+ }
+ if(i >= Timeout)
+ fprint(2, "%s: reset failed\n", argv0);
+ csr8w(d, Gpio0, Gpiosel0|Gpiosel1);
+ csr8w(d, Gpio0, Gpiosel0|Gpiosel1|Gpioout0);
+ sleep(10);
+}
+
+static int
+aueread(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;
+ q = bin + nbin - 4;
+ hd = GET4(q);
+ n = hd & 0xfff;
+ if(n < 6 || n > nbin) {+ nbin = 0;
+ return 0;
+ }
+ if(hd & Rxerror) {+ fprint(2, "%s: rx error %#ux\n",
+ argv0, hd);
+ n = 0;
+ } else {+ if(n > plen)
+ n = plen;
+ if(n > 0)
+ memmove(p, bin, n);
+ }
+ if(n < nbin)
+ memmove(bin, bin+n, nbin-n);
+ nbin -= n;
+ return n;
+}
+
+static void
+auewrite(Dev *ep, uchar *p, int n)
+{+ if(n > sizeof bout-2)
+ n = sizeof bout - 2;
+ PUT2(bout, n);
+ memmove(bout+2, p, n);
+ write(ep->dfd, bout, n+2);
+}
+
+int
+aueinit(Dev *d)
+{+ int i, v;
+ uchar *p;
+
+ reset(d);
+ for(i = 0, p = macaddr; i < 3; i++, p += 2) {+ v = eeprom16r(d, i);
+ PUT2(p, v);
+ }
+ for(i = 0; i < sizeof macaddr; i++)
+ csr8w(d, Par+i, macaddr[i]);
+ csr8w(d, Ctl2, csr8r(d, Ctl2)&~C2prom);
+ csr8w(d, Ctl0, C0rxstatappend|C0rxen);
+ csr8w(d, Ctl0, csr8r(d, Ctl0)|C0txen);
+ csr8w(d, Ctl2, csr8r(d, Ctl2)|C2ep3clr);
+ epread = aueread;
+ epwrite = auewrite;
+ return 0;
+}
--- a/sys/src/cmd/nusb/ether/ether.c
+++ b/sys/src/cmd/nusb/ether/ether.c
@@ -753,7 +753,7 @@
exits("usage");}
-
+extern int aueinit(Dev *);
extern int a88178init(Dev *);
extern int a88772init(Dev *);
extern int smscinit(Dev *);
@@ -767,6 +767,7 @@
"smsc", smscinit,
"a88178", a88178init,
"a88772", a88772init,
+ "aue", aueinit,
};
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.$O
+OFILES=ether.$O cdc.$O smsc.$O asix.$O aue.$O
</sys/src/cmd/mkone
--
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