NE2000.h

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#ifndef _8390_h
#define _8390_h

/****************************************************************
*                    COMMON DEFINITIONS
******************************************************************/

// include project "DEFINE's"
#include <config.h>
// include NE2000 configuration parameters
#include "NE2000_opt.h"


// API
void NICReset(void);

void ei_init(void);

void ei_transmit( unsigned char * buf, unsigned int send_length);

unsigned int ei_poll(void);
void ei_tx_intr(void);

void ei_tx_err(void);

unsigned int ei_receive(void);

void ei_rx_overrun(void);

void ei_nic_write(unsigned char *buf,unsigned int count,unsigned int start_page);

void ei_nic_read(unsigned char *buf,unsigned int count,unsigned int ring_offset);

unsigned char ne_probe(void);

void nic_mem_test(void);


unsigned char loopback_test(void);

unsigned char pktTransmit(void);


#define ETHER_ADDR_LEN 6          
#define ETH_ZLEN        60    
#define E8390_TX_IRQ_MASK 0xa   
#define E8390_RX_IRQ_MASK  0x5
#define E8390_RXCONFIG 0x4      
#define E8390_RXOFF 0x20        
#define E8390_TXCONFIG 0x00     
#define E8390_TXOFF 0x02        


#define E8390_STOP      0x01    
#define E8390_START     0x02    
#define E8390_TRANS     0x04    
#define E8390_RREAD     0x08    
#define E8390_RWRITE    0x10    
#define E8390_NODMA     0x20    
#define E8390_PAGE0     0x00    
#define E8390_PAGE1     0x40
#define E8390_PAGE2     0x80    

#define E8390_CMD       0x00    
#define EN0_CLDALO      0x01    
#define EN0_STARTPG     0x01    
#define EN0_CLDAHI      0x02    
#define EN0_STOPPG      0x02    
#define EN0_BOUNDARY    0x03    
#define EN0_TSR         0x04    
#define EN0_TPSR        0x04    
#define EN0_NCR         0x05    
#define EN0_TCNTLO      0x05    
#define EN0_FIFO        0x06    
#define EN0_TCNTHI      0x06    
#define EN0_ISR         0x07    
#define EN0_CRDALO      0x08    
#define EN0_RSARLO      0x08    
#define EN0_CRDAHI      0x09    
#define EN0_RSARHI      0x09    
#define EN0_RCNTLO      0x0a    
#define EN0_RCNTHI      0x0b    
#define EN0_RSR         0x0c    
#define EN0_RXCR        0x0c    
#define EN0_TXCR        0x0d    
#define EN0_COUNTER0    0x0d    
#define EN0_DCFG        0x0e    
#define EN0_COUNTER1    0x0e    
#define EN0_IMR         0x0f    
#define EN0_COUNTER2    0x0f    


#define EN1_PHYS   0x01 
#define EN1_CURPAG 0x07 
#define EN1_MULT   0x08 


#define ENISR_RX        0x01    
#define ENISR_TX        0x02    
#define ENISR_RX_ERR    0x04    
#define ENISR_TX_ERR    0x08    
#define ENISR_OVER      0x10    
#define ENISR_COUNTERS  0x20    
#define ENISR_RDC       0x40    
#define ENISR_RESET     0x80    
#define ENISR_ALL       0x3f    


#define ENDCFG_WTS      0x01    


#define ENRSR_RXOK      0x01    
#define ENRSR_CRC       0x02    
#define ENRSR_FAE       0x04    
#define ENRSR_FO        0x08    
#define ENRSR_MPA       0x10    
#define ENRSR_PHY       0x20    
#define ENRSR_DIS       0x40    
#define ENRSR_DEF       0x80    


#define ENTSR_PTX 0x01  
#define ENTSR_ND  0x02  
#define ENTSR_COL 0x04  
#define ENTSR_ABT 0x08  
#define ENTSR_CRS 0x10  
#define ENTSR_FU  0x20  
#define ENTSR_CDH 0x40  
#define ENTSR_OWC 0x80  


struct net_device_stats
{
        unsigned long   rx_packets;             
        unsigned long   tx_packets;             
        unsigned long   rx_bytes;               
        unsigned long   tx_bytes;               
        unsigned long   rx_errors;              
        unsigned long   tx_errors;              
//        unsigned long   rx_dropped;             /* no space in linux buffers    */
//        unsigned long   tx_dropped;             /* no space available in linux  */
        unsigned long   multicast;              
        unsigned long   collisions;                             
// 
         /* detailed rx_errors: */
        unsigned long   rx_length_errors;
        unsigned long   rx_over_errors;         
        unsigned long   rx_crc_errors;          
        unsigned long   rx_frame_errors;        
        unsigned long   rx_fifo_errors;         
        unsigned long   rx_missed_errors;       
        /* detailed tx_errors */
        unsigned long   tx_aborted_errors;
        unsigned long   tx_carrier_errors;
        unsigned long   tx_fifo_errors;
        unsigned long   tx_heartbeat_errors;
        unsigned long   tx_window_errors;         
};

/*
// Most of these entries should be in 'struct device' (or most of the
//   things in there should be here!)
// You have one of these per-board
struct ei_device {
  unsigned char open:1;
  unsigned char word16:1;       // We have the 16-bit (vs 8-bit) version of the card.
  unsigned char txing:1;                        // Transmit Active
//  int dmaing:2;                       // Remote DMA Active
//  int irqlock:1;              // 8390's intrs disabled when '1'.
  int pingpong:1;               // Using the ping-pong driver
  unsigned char tx_start_page, rx_start_page, stop_page;
  unsigned char current_page;   // Read pointer in buffer
//  unsigned char interface_num;        // Net port (AUI, 10bT.) to use.
//  unsigned char txqueue;      // Tx Packet buffer queue length.
//  unsigned char in_interrupt;
  struct net_device_stats stat;
//  short tx1, tx2;             // Packet lengths for ping-pong tx.
  short lasttx;                 // Alpha version consistency check.
//  unsigned char reg0;         // Register '0' in a WD8013
//  unsigned char reg5;         // Register '5' in a WD8013
//  unsigned char saved_irq;    // Original dev->irq value.
};
*/

struct e8390_pkt_hdr {
  unsigned char status; // status
  unsigned char next;   // pointer to next packet.
  unsigned short count; // header + packet lenght in bytes
};

/****************************************************************
*                    LINUX DEFINITIONS
******************************************************************/
#ifdef LINUX

#include <stdio.h>
#define TxStr(_str_) printf(_str_)
#define TxUint(_uint_) printf("%d",_uint_)
#define TxEol() printf("\n")
#define TxHex(_uchar_)  printf("0x%.2x",_uchar_)
#define TxChar(_char_) printf("%c",_char_)
#define TxStr_P(_str_) printf(_str_)
//
// The debug stuff was import from util.h of avr_lib
//

#ifdef DEBUG

#define TxStrk(_str_)   TxStr(_str_)
#define TxStrk_P(_str_)   TxStr(_str_)
#define TxUintk(_uchar_) TxUint(_uchar_)
#define TxEolk()            TxEol()
#define TxHexk(_uint_)  TxHex(_uint_)
#define TxChark(_char_) TxChar(_char_)

#else

#define TxStrk(_str_)
#define TxStrk_P(_str_)
#define TxUintk(_uint_)
#define TxEolk()
#define TxHexk(_uint_)
#define TxChark(_char_)

#endif
#endif

#ifdef AVR
#include <avr/io.h>
#include <util.h> // Serial Port functions(for debugging)
#include <isa_bus.h> // ISA bus acess
// Low level functions in order to be able to use linux driver code
#define outb(_data_out_, _address_outb_) rtl8019write(_data_out_,_address_outb_ )
#define inb(_address_inb_)  rtl8019read(_address_inb_)
#define outb_p              outb
#define inb_p               inb
#define usleep              delay_u

#endif

/* Statistics stuff */
#ifdef NE_STATS
#define UPDSTATS( _STAT_ ) _STAT_
#else
#define UPDSTATS( _STAT_ ) 
#endif

#endif /* _8390_h */

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