com20020.h File Reference

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Macros
#define	ARCNET_TOTAL_SIZE   8
#define	BUS_ALIGN   1
#define	_INTMASK   (ioaddr+BUS_ALIGN*0) /* writable */
#define	_STATUS   (ioaddr+BUS_ALIGN*0) /* readable */
#define	_COMMAND   (ioaddr+BUS_ALIGN*1) /* standard arcnet commands */
#define	_DIAGSTAT   (ioaddr+BUS_ALIGN*1) /* diagnostic status register */
#define	_ADDR_HI   (ioaddr+BUS_ALIGN*2) /* control registers for IO-mapped memory */
#define	_ADDR_LO   (ioaddr+BUS_ALIGN*3)
#define	_MEMDATA   (ioaddr+BUS_ALIGN*4) /* data port for IO-mapped memory */
#define	_SUBADR   (ioaddr+BUS_ALIGN*5) /* the extended port _XREG refers to */
#define	_CONFIG   (ioaddr+BUS_ALIGN*6) /* configuration register */
#define	_XREG
#define	RDDATAflag   0x80 /* next access is a read (not a write) */
#define	NEWNXTIDflag   0x02 /* ID to which token is passed has changed */
#define	RESETcfg   0x80 /* put card in reset state */
#define	TXENcfg   0x20 /* enable TX */
#define	PROMISCset   0x10 /* enable RCV_ALL */
#define	P1MODE   0x80 /* enable P1-MODE for Backplane */
#define	SLOWARB   0x01 /* enable Slow Arbitration for >=5Mbps */
#define	SUB_TENTATIVE   0 /* tentative node ID */
#define	SUB_NODE   1 /* node ID */
#define	SUB_SETUP1   2 /* various options */
#define	SUB_TEST   3 /* test/diag register */
#define	SUB_SETUP2   4 /* sundry options */
#define	SUB_BUSCTL   5 /* bus control options */
#define	SUB_DMACOUNT   6 /* DMA count options */
#define	SET_SUBADR(x)
#define	ARCRESET
#define	ARCRESET0
#define	ASTATUS()   inb(_STATUS)
#define	ADIAGSTATUS()   inb(_DIAGSTAT)
#define	ACOMMAND(cmd)   outb((cmd),_COMMAND)
#define	AINTMASK(msk)   outb((msk),_INTMASK)
#define	SETCONF   outb(lp->config, _CONFIG)

Functions
int	com20020_check (struct net_device *dev)
int	com20020_found (struct net_device *dev, int shared)

Variables
struct net_device_ops	com20020_netdev_ops

Macro Definition Documentation

#define _ADDR_HI   (ioaddr+BUS_ALIGN*2) /* control registers for IO-mapped memory */

Definition at line 49 of file com20020.h.

#define _ADDR_LO   (ioaddr+BUS_ALIGN*3)

Definition at line 50 of file com20020.h.

#define _COMMAND   (ioaddr+BUS_ALIGN*1) /* standard arcnet commands */

Definition at line 47 of file com20020.h.

#define _CONFIG   (ioaddr+BUS_ALIGN*6) /* configuration register */

Definition at line 53 of file com20020.h.

#define _DIAGSTAT   (ioaddr+BUS_ALIGN*1) /* diagnostic status register */

Definition at line 48 of file com20020.h.

#define _INTMASK   (ioaddr+BUS_ALIGN*0) /* writable */

Definition at line 45 of file com20020.h.

#define _MEMDATA   (ioaddr+BUS_ALIGN*4) /* data port for IO-mapped memory */

Definition at line 51 of file com20020.h.

#define _STATUS   (ioaddr+BUS_ALIGN*0) /* readable */

Definition at line 46 of file com20020.h.

#define _SUBADR   (ioaddr+BUS_ALIGN*5) /* the extended port _XREG refers to */

Definition at line 52 of file com20020.h.

#define _XREG

Value:

(ioaddr+BUS_ALIGN*7)    /* extra registers (indexed by _CONFIG
                    or _SUBADR) */

Definition at line 54 of file com20020.h.

#define ACOMMAND

(

cmd

)

outb((cmd),_COMMAND)

Definition at line 110 of file com20020.h.

#define ADIAGSTATUS

(

)

inb(_DIAGSTAT)

Definition at line 109 of file com20020.h.

#define AINTMASK

(

msk

)

outb((msk),_INTMASK)

Definition at line 111 of file com20020.h.

#define ARCNET_TOTAL_SIZE   8

Definition at line 35 of file com20020.h.

#define ARCRESET

Value:

{ outb(lp->config | 0x80, _CONFIG); \
            udelay(5);                        \
            outb(lp->config , _CONFIG);       \
                  }

Definition at line 99 of file com20020.h.

#define ARCRESET0

Value:

{ outb(0x18 | 0x80, _CONFIG);   \
            udelay(5);                       \
            outb(0x18 , _CONFIG);            \
                  }

Definition at line 103 of file com20020.h.

#define ASTATUS

(

)

inb(_STATUS)

Definition at line 108 of file com20020.h.

#define BUS_ALIGN   1

Definition at line 41 of file com20020.h.

#define NEWNXTIDflag   0x02 /* ID to which token is passed has changed */

Definition at line 60 of file com20020.h.

#define P1MODE   0x80 /* enable P1-MODE for Backplane */

Definition at line 68 of file com20020.h.

#define PROMISCset   0x10 /* enable RCV_ALL */

Definition at line 67 of file com20020.h.

#define RDDATAflag   0x80 /* next access is a read (not a write) */

Definition at line 57 of file com20020.h.

#define RESETcfg   0x80 /* put card in reset state */

Definition at line 63 of file com20020.h.

#define SET_SUBADR

(

x

)

Value:

do { \
    if ((x) < 4) \
    { \
		lp->config = (lp->config & ~0x03) | (x); \
        SETCONF; \
    } \
    else \
    { \
        outb(x, _SUBADR); \
    } \
} while (0)

Definition at line 82 of file com20020.h.

#define SETCONF   outb(lp->config, _CONFIG)

Definition at line 113 of file com20020.h.

#define SLOWARB   0x01 /* enable Slow Arbitration for >=5Mbps */

Definition at line 69 of file com20020.h.

#define SUB_BUSCTL   5 /* bus control options */

Definition at line 79 of file com20020.h.

#define SUB_DMACOUNT   6 /* DMA count options */

Definition at line 80 of file com20020.h.

#define SUB_NODE   1 /* node ID */

Definition at line 73 of file com20020.h.

#define SUB_SETUP1   2 /* various options */

Definition at line 74 of file com20020.h.

#define SUB_SETUP2   4 /* sundry options */

Definition at line 78 of file com20020.h.

#define SUB_TENTATIVE   0 /* tentative node ID */

Definition at line 72 of file com20020.h.

#define SUB_TEST   3 /* test/diag register */

Definition at line 75 of file com20020.h.

#define TXENcfg   0x20 /* enable TX */

Definition at line 64 of file com20020.h.

Function Documentation

int com20020_check

(

struct net_device *

dev

)

Definition at line 89 of file com20020.c.

int com20020_found	(	struct net_device *	dev,
		int	shared
	)

Definition at line 163 of file com20020.c.

Variable Documentation

struct net_device_ops com20020_netdev_ops

Definition at line 152 of file com20020.c.