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dp8390var.h revision 1.7 
      1 /*	$NetBSD: dp8390var.h,v 1.7 1997/11/05 07:15:42 thorpej 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 #define INTERFACE_NAME_LEN	32
     17 
     18 /*
     19  * dp8390_softc: per line info and status
     20  */
     21 struct dp8390_softc {
     22 	struct device	sc_dev;
     23 	void	*sc_ih;
     24 	int	sc_flags;		/* interface flags, from config */
     25 
     26 	struct ethercom sc_ec;		/* ethernet common */
     27 	struct ifmedia sc_media;	/* supported media information */
     28 
     29 	bus_space_tag_t	sc_regt;	/* NIC register space tag */
     30 	bus_space_handle_t sc_regh;	/* NIC register space handle */
     31 	bus_space_tag_t	sc_buft;	/* Buffer space tag */
     32 	bus_space_handle_t sc_bufh;	/* Buffer space handle */
     33 
     34 	bus_size_t sc_reg_map[16];	/* register map (offsets) */
     35 
     36 	int	is790;		/* NIC is a 790 */
     37 
     38 	u_int8_t cr_proto;	/* values always set in CR */
     39 	u_int8_t dcr_reg;	/* override DCR iff LS is set */
     40 
     41 	int	mem_start;	/* offset of NIC memory */
     42 	int	mem_end;	/* offset of NIC memory end */
     43 	int	mem_size;	/* total shared memory size */
     44 	int	mem_ring;	/* offset of start of RX ring-buffer */
     45 
     46 	u_short	txb_cnt;	/* Number of transmit buffers */
     47 	u_short	txb_inuse;	/* number of transmit buffers active */
     48 
     49 	u_short	txb_new;	/* pointer to where new buffer will be added */
     50 	u_short	txb_next_tx;	/* pointer to next buffer ready to xmit */
     51 	u_short	txb_len[8];	/* buffered xmit buffer lengths */
     52 	u_short	tx_page_start;	/* first page of TX buffer area */
     53 	u_short	rec_page_start; /* first page of RX ring-buffer */
     54 	u_short	rec_page_stop;	/* last page of RX ring-buffer */
     55 	u_short	next_packet;	/* pointer to next unread RX packet */
     56 
     57 	u_int8_t sc_enaddr[6];	/* storage for MAC address */
     58 
     59 	int	sc_enabled;	/* boolean; power enabled on interface */
     60 
     61 	int	(*test_mem) __P((struct dp8390_softc *));
     62 	void	(*init_card) __P((struct dp8390_softc *));
     63 	void	(*read_hdr) __P((struct dp8390_softc *,
     64 		    int, struct dp8390_ring *));
     65 	void	(*recv_int) __P((struct dp8390_softc *));
     66 	int	(*ring_copy) __P((struct dp8390_softc *,
     67 		    int, caddr_t, u_short));
     68 	int	(*write_mbuf) __P((struct dp8390_softc *, struct mbuf *, int));
     69 
     70 	int	(*sc_enable) __P((struct dp8390_softc *));
     71 	void	(*sc_disable) __P((struct dp8390_softc *));
     72 
     73 	int	(*sc_mediachange) __P((struct dp8390_softc *));
     74 	void	(*sc_mediastatus) __P((struct dp8390_softc *,
     75 		    struct ifmediareq *));
     76 };
     77 
     78 /*
     79  * Vendor types
     80  */
     81 #define DP8390_VENDOR_UNKNOWN	0xff	/* Unknown network card */
     82 #define DP8390_VENDOR_WD_SMC	0x00	/* Western Digital/SMC */
     83 #define DP8390_VENDOR_3COM	0x01	/* 3Com */
     84 #define DP8390_VENDOR_NOVELL	0x02	/* Novell */
     85 #define DP8390_VENDOR_APPLE	0x10	/* Apple Ethernet card */
     86 #define DP8390_VENDOR_INTERLAN	0x11	/* Interlan A310 card (GatorCard) */
     87 #define DP8390_VENDOR_DAYNA	0x12	/* DaynaPORT E/30s (and others?) */
     88 #define DP8390_VENDOR_ASANTE	0x13	/* Asante MacCon II/E */
     89 #define DP8390_VENDOR_FARALLON	0x14	/* Farallon EtherMac II-TP */
     90 #define DP8390_VENDOR_FOCUS	0x15	/* FOCUS Enhancements EtherLAN */
     91 #define DP8390_VENDOR_KINETICS	0x16	/* Kinetics EtherPort SE/30 */
     92 
     93 /*
     94  * Compile-time config flags
     95  */
     96 /*
     97  * This sets the default for enabling/disablng the tranceiver.
     98  */
     99 #define DP8390_DISABLE_TRANCEIVER	0x0001
    100 
    101 /*
    102  * This forces the board to be used in 8/16-bit mode even if it autoconfigs
    103  * differently.
    104  */
    105 #define DP8390_FORCE_8BIT_MODE		0x0002
    106 #define DP8390_FORCE_16BIT_MODE		0x0004
    107 
    108 /*
    109  * This disables the use of multiple transmit buffers.
    110  */
    111 #define DP8390_NO_MULTI_BUFFERING	0x0008
    112 
    113 /*
    114  * This forces all operations with the NIC memory to use Programmed I/O (i.e.
    115  * not via shared memory).
    116  */
    117 #define DP8390_FORCE_PIO		0x0010
    118 
    119 /*
    120  * NIC register access macros
    121  */
    122 #define NIC_GET(t, h, reg)	bus_space_read_1(t, h,			\
    123 				    ((sc)->sc_reg_map[reg]))
    124 #define NIC_PUT(t, h, reg, val)	bus_space_write_1(t, h,			\
    125 				    ((sc)->sc_reg_map[reg]), (val))
    126 
    127 int	dp8390_config __P((struct dp8390_softc *, int *, int, int));
    128 int	dp8390_intr __P((void *));
    129 int	dp8390_ioctl __P((struct ifnet *, u_long, caddr_t));
    130 void	dp8390_start __P((struct ifnet *));
    131 void	dp8390_watchdog __P((struct ifnet *));
    132 void	dp8390_reset __P((struct dp8390_softc *));
    133 void	dp8390_init __P((struct dp8390_softc *));
    134 void	dp8390_stop __P((struct dp8390_softc *));
    135 
    136 void	dp8390_rint __P((struct dp8390_softc *));
    137 
    138 void	dp8390_getmcaf __P((struct ethercom *, u_int8_t *));
    139 struct mbuf *dp8390_get __P((struct dp8390_softc *, int, u_short));
    140 void	dp8390_read __P((struct dp8390_softc *, int, u_short));
    141