cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/seeq/ether3.h

/*
 *  linux/drivers/acorn/net/ether3.h
 *
 *  Copyright (C) 1995-2000 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  network driver for Acorn/ANT Ether3 cards
 */

#ifndef _LINUX_ether3_H

#define _LINUX_ether3_H

/* use 0 for production, 1 for verification, >2 for debug. debug flags: */

#define DEBUG_TX	 2

#define DEBUG_RX	 4

#define DEBUG_INT	 8

#define DEBUG_IC	16
#ifndef NET_DEBUG

#define NET_DEBUG 	0
#endif


#define priv(dev)	((struct dev_priv *)netdev_priv(dev))

/* Command register definitions & bits */

#define REG_COMMAND		(priv(dev)->seeq + 0x0000)

#define CMD_ENINTDMA		0x0001

#define CMD_ENINTRX		0x0002

#define CMD_ENINTTX		0x0004

#define CMD_ENINTBUFWIN		0x0008

#define CMD_ACKINTDMA		0x0010

#define CMD_ACKINTRX		0x0020

#define CMD_ACKINTTX		0x0040

#define CMD_ACKINTBUFWIN	0x0080

#define CMD_DMAON		0x0100

#define CMD_RXON		0x0200

#define CMD_TXON		0x0400

#define CMD_DMAOFF		0x0800

#define CMD_RXOFF		0x1000

#define CMD_TXOFF		0x2000

#define CMD_FIFOREAD		0x4000

#define CMD_FIFOWRITE		0x8000

/* status register */

#define REG_STATUS		(priv(dev)->seeq + 0x0000)

#define STAT_ENINTSTAT		0x0001

#define STAT_ENINTRX		0x0002

#define STAT_ENINTTX		0x0004

#define STAT_ENINTBUFWIN	0x0008

#define STAT_INTDMA		0x0010

#define STAT_INTRX		0x0020

#define STAT_INTTX		0x0040

#define STAT_INTBUFWIN		0x0080

#define STAT_DMAON		0x0100

#define STAT_RXON		0x0200

#define STAT_TXON		0x0400

#define STAT_FIFOFULL		0x2000

#define STAT_FIFOEMPTY		0x4000

#define STAT_FIFODIR		0x8000

/* configuration register 1 */

#define REG_CONFIG1		(priv(dev)->seeq + 0x0040)

#define CFG1_BUFSELSTAT0	0x0000

#define CFG1_BUFSELSTAT1	0x0001

#define CFG1_BUFSELSTAT2	0x0002

#define CFG1_BUFSELSTAT3	0x0003

#define CFG1_BUFSELSTAT4	0x0004

#define CFG1_BUFSELSTAT5	0x0005

#define CFG1_ADDRPROM		0x0006

#define CFG1_TRANSEND		0x0007

#define CFG1_LOCBUFMEM		0x0008

#define CFG1_INTVECTOR		0x0009

#define CFG1_RECVSPECONLY	0x0000

#define CFG1_RECVSPECBROAD	0x4000

#define CFG1_RECVSPECBRMULTI	0x8000

#define CFG1_RECVPROMISC	0xC000

/* The following aren't in 8004 */

#define CFG1_DMABURSTCONT	0x0000

#define CFG1_DMABURST800NS	0x0010

#define CFG1_DMABURST1600NS	0x0020

#define CFG1_DMABURST3200NS	0x0030

#define CFG1_DMABURST1		0x0000

#define CFG1_DMABURST4		0x0040

#define CFG1_DMABURST8		0x0080

#define CFG1_DMABURST16		0x00C0

#define CFG1_RECVCOMPSTAT0	0x0100

#define CFG1_RECVCOMPSTAT1	0x0200

#define CFG1_RECVCOMPSTAT2	0x0400

#define CFG1_RECVCOMPSTAT3	0x0800

#define CFG1_RECVCOMPSTAT4	0x1000

#define CFG1_RECVCOMPSTAT5	0x2000

/* configuration register 2 */

#define REG_CONFIG2		(priv(dev)->seeq + 0x0080)

#define CFG2_BYTESWAP		0x0001

#define CFG2_ERRENCRC		0x0008

#define CFG2_ERRENDRIBBLE	0x0010

#define CFG2_ERRSHORTFRAME	0x0020

#define CFG2_SLOTSELECT		0x0040

#define CFG2_PREAMSELECT	0x0080

#define CFG2_ADDRLENGTH		0x0100

#define CFG2_RECVCRC		0x0200

#define CFG2_XMITNOCRC		0x0400

#define CFG2_LOOPBACK		0x0800

#define CFG2_CTRLO		0x1000

#define CFG2_RESET		0x8000


#define REG_RECVEND		(priv(dev)->seeq + 0x00c0)


#define REG_BUFWIN		(priv(dev)->seeq + 0x0100)


#define REG_RECVPTR		(priv(dev)->seeq + 0x0140)


#define REG_TRANSMITPTR		(priv(dev)->seeq + 0x0180)


#define REG_DMAADDR		(priv(dev)->seeq + 0x01c0)

/*
 * Cards transmit/receive headers
 */

#define TX_NEXT			(0xffff)

#define TXHDR_ENBABBLEINT	(1 << 16)

#define TXHDR_ENCOLLISIONINT	(1 << 17)

#define TXHDR_EN16COLLISION	(1 << 18)

#define TXHDR_ENSUCCESS		(1 << 19)

#define TXHDR_DATAFOLLOWS	(1 << 21)

#define TXHDR_CHAINCONTINUE	(1 << 22)

#define TXHDR_TRANSMIT		(1 << 23)

#define TXSTAT_BABBLED		(1 << 24)

#define TXSTAT_COLLISION	(1 << 25)

#define TXSTAT_16COLLISIONS	(1 << 26)

#define TXSTAT_DONE		(1 << 31)


#define RX_NEXT			(0xffff)

#define RXHDR_CHAINCONTINUE	(1 << 6)

#define RXHDR_RECEIVE		(1 << 7)

#define RXSTAT_OVERSIZE		(1 << 8)

#define RXSTAT_CRCERROR		(1 << 9)

#define RXSTAT_DRIBBLEERROR	(1 << 10)

#define RXSTAT_SHORTPACKET	(1 << 11)

#define RXSTAT_DONE		(1 << 15)



#define TX_START	0x0000

#define TX_END		0x6000

#define RX_START	0x6000

#define RX_LEN		0xA000

#define RX_END		0x10000
/* must be a power of 2 and greater than MAX_TX_BUFFERED */

#define MAX_TXED	16

#define MAX_TX_BUFFERED	10


struct dev_priv {
    
void __iomem *base;
    
void __iomem *seeq;
    struct {
	
unsigned int command;
	
unsigned int config1;
	
unsigned int config2;
    } 
regs;
    
unsigned char tx_head;		/* buffer nr to insert next packet       */
    
unsigned char tx_tail;		/* buffer nr of transmitting packet      */
    
unsigned int rx_head;		/* address to fetch next packet from     */
    
struct timer_list timer;
    
int broken;				/* 0 = ok, 1 = something went wrong      */
};


struct ether3_data {
	
const char name[8];
	
unsigned long base_offset;
};

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)50292.28%457.14%
Russell King427.72%342.86%
Total544100.00%7100.00%
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