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/*
* 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 */
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