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dp8390var.h revision 1.30
      1 /*	$NetBSD: dp8390var.h,v 1.30 2009/05/12 14:25:17 cegger 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 #if NRND > 0
     18 #include <sys/rnd.h>
     19 #endif
     20 
     21 /*
     22  * We include MII glue here -- some DP8390 compatible chips have
     23  * MII interfaces on them (scary, isn't it...).
     24  */
     25 #include <dev/mii/miivar.h>
     26 
     27 #define INTERFACE_NAME_LEN	32
     28 
     29 /*
     30  * dp8390_softc: per line info and status
     31  */
     32 struct dp8390_softc {
     33 	device_t	sc_dev;
     34 	void	*sc_ih;
     35 	int	sc_flags;		/* interface flags, from config */
     36 
     37 	struct ethercom sc_ec;		/* ethernet common */
     38 	struct mii_data sc_mii;		/* MII glue */
     39 #define	sc_media sc_mii.mii_media	/* compatibilty definition */
     40 
     41 	bus_space_tag_t	sc_regt;	/* NIC register space tag */
     42 	bus_space_handle_t sc_regh;	/* NIC register space handle */
     43 	bus_space_tag_t	sc_buft;	/* Buffer space tag */
     44 	bus_space_handle_t sc_bufh;	/* Buffer space handle */
     45 
     46 	bus_size_t sc_reg_map[16];	/* register map (offsets) */
     47 
     48 	int	is790;		/* NIC is a 790 */
     49 
     50 	u_int8_t cr_proto;	/* values always set in CR */
     51 	u_int8_t rcr_proto;	/* values always set in RCR */
     52 	u_int8_t dcr_reg;	/* override DCR iff LS is set */
     53 
     54 	int	mem_start;	/* offset of NIC memory */
     55 	int	mem_end;	/* offset of NIC memory end */
     56 	int	mem_size;	/* total shared memory size */
     57 	int	mem_ring;	/* offset of start of RX ring-buffer */
     58 
     59 	u_short	txb_cnt;	/* Number of transmit buffers */
     60 	u_short	txb_inuse;	/* number of transmit buffers active */
     61 
     62 	u_short	txb_new;	/* pointer to where new buffer will be added */
     63 	u_short	txb_next_tx;	/* pointer to next buffer ready to xmit */
     64 	u_short	txb_len[8];	/* buffered xmit buffer lengths */
     65 	u_short	tx_page_start;	/* first page of TX buffer area */
     66 	u_short	rec_page_start; /* first page of RX ring-buffer */
     67 	u_short	rec_page_stop;	/* last page of RX ring-buffer */
     68 	u_short	next_packet;	/* pointer to next unread RX packet */
     69 
     70 	u_int8_t sc_enaddr[ETHER_ADDR_LEN];	/* storage for MAC address */
     71 
     72 	int	sc_enabled;	/* boolean; power enabled on interface */
     73 
     74 #if NRND > 0
     75 	rndsource_element_t rnd_source; /* random source */
     76 #endif
     77 
     78 	int	(*test_mem)(struct dp8390_softc *);
     79 	void	(*init_card)(struct dp8390_softc *);
     80 	void	(*stop_card)(struct dp8390_softc *);
     81 	void	(*read_hdr)(struct dp8390_softc *, int, struct dp8390_ring *);
     82 	void	(*recv_int)(struct dp8390_softc *);
     83 	int	(*ring_copy)(struct dp8390_softc *, int, void *, u_short);
     84 	int	(*write_mbuf)(struct dp8390_softc *, struct mbuf *, int);
     85 
     86 	int	(*sc_enable)(struct dp8390_softc *);
     87 	void	(*sc_disable)(struct dp8390_softc *);
     88 
     89 	void	(*sc_media_init)(struct dp8390_softc *);
     90 	void	(*sc_media_fini)(struct dp8390_softc *);
     91 
     92 	int	(*sc_mediachange)(struct dp8390_softc *);
     93 	void	(*sc_mediastatus)(struct dp8390_softc *, struct ifmediareq *);
     94 };
     95 
     96 /*
     97  * Vendor types
     98  */
     99 #define DP8390_VENDOR_UNKNOWN	0xff	/* Unknown network card */
    100 #define DP8390_VENDOR_WD_SMC	0x00	/* Western Digital/SMC */
    101 #define DP8390_VENDOR_3COM	0x01	/* 3Com */
    102 #define DP8390_VENDOR_NOVELL	0x02	/* Novell */
    103 #define DP8390_VENDOR_APPLE	0x10	/* Apple Ethernet card */
    104 #define DP8390_VENDOR_INTERLAN	0x11	/* Interlan A310 card (GatorCard) */
    105 #define DP8390_VENDOR_DAYNA	0x12	/* DaynaPORT E/30s (and others?) */
    106 #define DP8390_VENDOR_ASANTE	0x13	/* Asante MacCon II/E */
    107 #define DP8390_VENDOR_FARALLON	0x14	/* Farallon EtherMac II-TP */
    108 #define DP8390_VENDOR_FOCUS	0x15	/* FOCUS Enhancements EtherLAN */
    109 #define DP8390_VENDOR_KINETICS	0x16	/* Kinetics EtherPort SE/30 */
    110 #define DP8390_VENDOR_CABLETRON	0x17	/* Cabletron Ethernet */
    111 
    112 /*
    113  * Compile-time config flags
    114  */
    115 /*
    116  * This sets the default for enabling/disabling the tranceiver.
    117  */
    118 #define DP8390_DISABLE_TRANCEIVER	0x0001
    119 
    120 /*
    121  * This forces the board to be used in 8/16-bit mode even if it autoconfigs
    122  * differently.
    123  */
    124 #define DP8390_FORCE_8BIT_MODE		0x0002
    125 #define DP8390_FORCE_16BIT_MODE		0x0004
    126 
    127 /*
    128  * This disables the use of multiple transmit buffers.
    129  */
    130 #define DP8390_NO_MULTI_BUFFERING	0x0008
    131 
    132 /*
    133  * This forces all operations with the NIC memory to use Programmed I/O (i.e.
    134  * not via shared memory).
    135  */
    136 #define DP8390_FORCE_PIO		0x0010
    137 
    138 /*
    139  * The chip is ASIX AX88190 and needs work around.
    140  */
    141 #define	DP8390_DO_AX88190_WORKAROUND	0x0020
    142 
    143 #define DP8390_ATTACHED			0x0040	/* attach has succeeded */
    144 
    145 /*
    146  * ASIX AX88796 doesn't have remote DMA conmplete bit in ISR, so don't
    147  * check ISR.RDC
    148  */
    149 #define DP8390_NO_REMOTE_DMA_COMPLETE	0x0080
    150 
    151 /*
    152  * NIC register access macros
    153  */
    154 #define NIC_GET(t, h, reg)	bus_space_read_1(t, h,			\
    155 				    ((sc)->sc_reg_map[reg]))
    156 #define NIC_PUT(t, h, reg, val)	bus_space_write_1(t, h,			\
    157 				    ((sc)->sc_reg_map[reg]), (val))
    158 #define	NIC_BARRIER(t, h)	bus_space_barrier(t, h, 0, 0x10,	\
    159 			    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE)
    160 
    161 int	dp8390_config(struct dp8390_softc *);
    162 int	dp8390_intr(void *);
    163 int	dp8390_ioctl(struct ifnet *, u_long, void *);
    164 void	dp8390_start(struct ifnet *);
    165 void	dp8390_watchdog(struct ifnet *);
    166 void	dp8390_reset(struct dp8390_softc *);
    167 void	dp8390_init(struct dp8390_softc *);
    168 void	dp8390_stop(struct dp8390_softc *);
    169 
    170 void	dp8390_rint(struct dp8390_softc *);
    171 
    172 void	dp8390_getmcaf(struct ethercom *, u_int8_t *);
    173 struct mbuf *dp8390_get(struct dp8390_softc *, int, u_short);
    174 void	dp8390_read(struct dp8390_softc *, int, u_short);
    175 
    176 int	dp8390_enable(struct dp8390_softc *);
    177 void	dp8390_disable(struct dp8390_softc *);
    178 
    179 int	dp8390_activate(device_t, enum devact);
    180 
    181 int	dp8390_detach(struct dp8390_softc *, int);
    182 
    183 int	dp8390_mediachange(struct ifnet *);
    184 void	dp8390_mediastatus(struct ifnet *, struct ifmediareq *);
    185 
    186 void	dp8390_media_init(struct dp8390_softc *);
    187 
    188 #ifdef IPKDB_DP8390
    189 int	dp8390_ipkdb_attach(struct ipkdb_if *);
    190 #endif
    191