Home | History | Annotate | Line # | Download | only in ic
dp8390var.h revision 1.3 
      1 /*	$NetBSD: dp8390var.h,v 1.3 1997/10/15 05:48:56 explorer Exp $	*/
      2 
      3 /*
      4  * Device driver for National Semiconductor DS8390/WD83C690 based ethernet
      5  * adapters.
      6  *
      7  * Copyright (c) 1994, 1995 Charles M. Hannum.  All rights reserved.
      8  *
      9  * Copyright (C) 1993, David Greenman.  This software may be used, modified,
     10  * copied, distributed, and sold, in both source and binary form provided that
     11  * the above copyright and these terms are retained.  Under no circumstances is
     12  * the author responsible for the proper functioning of this software, nor does
     13  * the author assume any responsibility for damages incurred with its use.
     14  */
     15 
     16 #include "rnd.h"
     17 
     18 #if NRND > 0
     19 #include <sys/rnd.h>
     20 #endif
     21 
     22 #define INTERFACE_NAME_LEN	32
     23 
     24 /*
     25  * dp8390_softc: per line info and status
     26  */
     27 struct dp8390_softc {
     28 	struct device	sc_dev;
     29 	void	*sc_ih;
     30 	int	sc_flags;	/* interface flags, from config */
     31 
     32 	struct ethercom sc_ec;	/* ethernet common */
     33 
     34 	char	*type_str;	/* type string */
     35 	u_int	type;		/* interface type code */
     36 	u_int	vendor;		/* interface vendor */
     37 
     38 	bus_space_tag_t	sc_regt;	/* NIC register space tag */
     39 	bus_space_handle_t sc_regh;	/* NIC register space handle */
     40 	bus_space_tag_t	sc_buft;	/* Buffer space tag */
     41 	bus_space_handle_t sc_bufh;	/* Buffer space handle */
     42 
     43 	bus_size_t sc_reg_map[16];	/* register map (offsets) */
     44 
     45 	u_char	is790;		/* NIC is a 790 */
     46 
     47 	u_int8_t cr_proto;	/* values always set in CR */
     48 	u_int8_t dcr_reg;	/* override DCR iff LS is set */
     49 
     50 	int	mem_start;	/* offset of NIC memory */
     51 	int	mem_end;	/* offset of NIC memory end */
     52 	int	mem_size;	/* total shared memory size */
     53 	int	mem_ring;	/* offset of start of RX ring-buffer */
     54 
     55 	u_short	txb_cnt;	/* Number of transmit buffers */
     56 	u_short	txb_inuse;	/* number of transmit buffers active */
     57 
     58 	u_short	txb_new;	/* pointer to where new buffer will be added */
     59 	u_short	txb_next_tx;	/* pointer to next buffer ready to xmit */
     60 	u_short	txb_len[8];	/* buffered xmit buffer lengths */
     61 	u_short	tx_page_start;	/* first page of TX buffer area */
     62 	u_short	rec_page_start; /* first page of RX ring-buffer */
     63 	u_short	rec_page_stop;	/* last page of RX ring-buffer */
     64 	u_short	next_packet;	/* pointer to next unread RX packet */
     65 
     66 	u_int8_t sc_enaddr[6];	/* storage for MAC address */
     67 
     68 	int	(*test_mem) __P((struct dp8390_softc *));
     69 	void	(*init_card) __P((struct dp8390_softc *));
     70 	void	(*read_hdr) __P((struct dp8390_softc *,
     71 		    int, struct dp8390_ring *));
     72 	void	(*recv_int) __P((struct dp8390_softc *));
     73 	int	(*ring_copy) __P((struct dp8390_softc *,
     74 		    int, caddr_t, u_short));
     75 	int	(*write_mbuf) __P((struct dp8390_softc *, struct mbuf *, int));
     76 
     77 #if NRND > 0
     78 	rndsource_element_t rnd_source;
     79 #endif
     80 };
     81 
     82 /*
     83  * Vendor types
     84  */
     85 #define DP8390_VENDOR_UNKNOWN	0xff	/* Unknown network card */
     86 #define DP8390_VENDOR_WD_SMC	0x00	/* Western Digital/SMC */
     87 #define DP8390_VENDOR_3COM	0x01	/* 3Com */
     88 #define DP8390_VENDOR_NOVELL	0x02	/* Novell */
     89 #define DP8390_VENDOR_APPLE	0x10	/* Apple Ethernet card */
     90 #define DP8390_VENDOR_INTERLAN	0x11	/* Interlan A310 card (GatorCard) */
     91 #define DP8390_VENDOR_DAYNA	0x12	/* DaynaPORT E/30s (and others?) */
     92 #define DP8390_VENDOR_ASANTE	0x13	/* Asante MacCon II/E */
     93 #define DP8390_VENDOR_FARALLON	0x14	/* Farallon EtherMac II-TP */
     94 #define DP8390_VENDOR_FOCUS	0x15	/* FOCUS Enhancements EtherLAN */
     95 #define DP8390_VENDOR_KINETICS	0x16	/* Kinetics EtherPort SE/30 */
     96 
     97 /*
     98  * Compile-time config flags
     99  */
    100 /*
    101  * This sets the default for enabling/disablng the tranceiver.
    102  */
    103 #define DP8390_DISABLE_TRANCEIVER	0x0001
    104 
    105 /*
    106  * This forces the board to be used in 8/16-bit mode even if it autoconfigs
    107  * differently.
    108  */
    109 #define DP8390_FORCE_8BIT_MODE		0x0002
    110 #define DP8390_FORCE_16BIT_MODE		0x0004
    111 
    112 /*
    113  * This disables the use of multiple transmit buffers.
    114  */
    115 #define DP8390_NO_MULTI_BUFFERING	0x0008
    116 
    117 /*
    118  * This forces all operations with the NIC memory to use Programmed I/O (i.e.
    119  * not via shared memory).
    120  */
    121 #define DP8390_FORCE_PIO		0x0010
    122 
    123 /*
    124  * NIC register access macros
    125  */
    126 #define NIC_GET(t, h, reg)	bus_space_read_1(t, h,			\
    127 				    ((sc)->sc_reg_map[reg]))
    128 #define NIC_PUT(t, h, reg, val)	bus_space_write_1(t, h,			\
    129 				    ((sc)->sc_reg_map[reg]), (val))
    130 
    131 int	dp8390_config __P((struct dp8390_softc *));
    132 void	dp8390_intr __P((void *, int));
    133 int	dp8390_ioctl __P((struct ifnet *, u_long, caddr_t));
    134 void	dp8390_start __P((struct ifnet *));
    135 void	dp8390_watchdog __P((struct ifnet *));
    136 void	dp8390_reset __P((struct dp8390_softc *));
    137 void	dp8390_init __P((struct dp8390_softc *));
    138 void	dp8390_stop __P((struct dp8390_softc *));
    139 
    140 void	dp8390_rint __P((struct dp8390_softc *));
    141 
    142 void	dp8390_getmcaf __P((struct ethercom *, u_int8_t *));
    143 struct mbuf *dp8390_get __P((struct dp8390_softc *, int, u_short));
    144 void	dp8390_read __P((struct dp8390_softc *, int, u_short));
    145