patch-2.3.36 linux/include/linux/com20020.h

• Lines: 86
• Date: Thu Dec 30 11:51:26 1999
• Orig file: v2.3.35/linux/include/linux/com20020.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.35/linux/include/linux/com20020.h linux/include/linux/com20020.h
@@ -0,0 +1,85 @@
+/*
+ * Linux ARCnet driver - COM20020 chipset support - function declarations
+ * 
+ * Written 1997 by David Woodhouse.
+ * Written 1994-1999 by Avery Pennarun.
+ * Derived from skeleton.c by Donald Becker.
+ *
+ * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
+ *  for sponsoring the further development of this driver.
+ *
+ * **********************
+ *
+ * The original copyright of skeleton.c was as follows:
+ *
+ * skeleton.c Written 1993 by Donald Becker.
+ * Copyright 1993 United States Government as represented by the
+ * Director, National Security Agency.  This software may only be used
+ * and distributed according to the terms of the GNU Public License as
+ * modified by SRC, incorporated herein by reference.
+ *
+ * **********************
+ *
+ * For more details, see drivers/net/arcnet.c
+ *
+ * **********************
+ */
+#ifndef __COM20020_H
+#define __COM20020_H
+
+int com20020_check(struct net_device *dev);
+int com20020_found(struct net_device *dev, int shared);
+
+/* The number of low I/O ports used by the card. */
+#define ARCNET_TOTAL_SIZE 9
+
+/* various register addresses */
+#define _INTMASK  (ioaddr+0)	/* writable */
+#define _STATUS   (ioaddr+0)	/* readable */
+#define _COMMAND  (ioaddr+1)	/* standard arcnet commands */
+#define _DIAGSTAT (ioaddr+1)	/* diagnostic status register */
+#define _ADDR_HI  (ioaddr+2)	/* control registers for IO-mapped memory */
+#define _ADDR_LO  (ioaddr+3)
+#define _MEMDATA  (ioaddr+4)	/* data port for IO-mapped memory */
+#define _CONFIG   (ioaddr+6)	/* configuration register */
+#define _SETUP    (ioaddr+7)	/* setup register */
+
+/* in the ADDR_HI register */
+#define RDDATAflag	0x80	/* next access is a read (not a write) */
+
+/* in the DIAGSTAT register */
+#define NEWNXTIDflag	0x02	/* ID to which token is passed has changed */
+
+/* in the CONFIG register */
+#define RESETcfg	0x80	/* put card in reset state */
+#define TXENcfg		0x20	/* enable TX */
+
+/* in SETUP register */
+#define PROMISCset	0x10	/* enable RCV_ALL */
+
+#define REGTENTID (lp->config &= ~3);
+#define REGNID (lp->config = (lp->config&~2)|1);
+#define REGSETUP (lp->config = (lp->config&~1)|2);
+#define REGNXTID (lp->config |= 3);
+
+#undef ARCRESET
+#undef ASTATUS
+#undef ACOMMAND
+#undef AINTMASK
+
+#define ARCRESET { outb(lp->config | 0x80, _CONFIG); \
+		    udelay(5);                        \
+		    outb(lp->config , _CONFIG);       \
+                  }
+#define ARCRESET0 { outb(0x18 | 0x80, _CONFIG);   \
+		    udelay(5);                       \
+		    outb(0x18 , _CONFIG);            \
+                  }
+
+#define ASTATUS()	inb(_STATUS)
+#define ACOMMAND(cmd)	outb((cmd),_COMMAND)
+#define AINTMASK(msk)	outb((msk),_INTMASK)
+
+#define SETCONF(cfg)	outb(cfg, _CONFIG)
+
+#endif /* __COM20020_H */