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am7990var.h revision 1.15
      1  1.15  explorer /*	$NetBSD: am7990var.h,v 1.15 1997/10/10 01:13:02 explorer Exp $	*/
      2  1.14   thorpej 
      3  1.14   thorpej /*-
      4  1.14   thorpej  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  1.14   thorpej  * All rights reserved.
      6  1.14   thorpej  *
      7  1.14   thorpej  * This code is derived from software contributed to The NetBSD Foundation
      8  1.14   thorpej  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  1.14   thorpej  * NASA Ames Research Center.
     10  1.14   thorpej  *
     11  1.14   thorpej  * Redistribution and use in source and binary forms, with or without
     12  1.14   thorpej  * modification, are permitted provided that the following conditions
     13  1.14   thorpej  * are met:
     14  1.14   thorpej  * 1. Redistributions of source code must retain the above copyright
     15  1.14   thorpej  *    notice, this list of conditions and the following disclaimer.
     16  1.14   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     17  1.14   thorpej  *    notice, this list of conditions and the following disclaimer in the
     18  1.14   thorpej  *    documentation and/or other materials provided with the distribution.
     19  1.14   thorpej  * 3. All advertising materials mentioning features or use of this software
     20  1.14   thorpej  *    must display the following acknowledgement:
     21  1.14   thorpej  *	This product includes software developed by the NetBSD
     22  1.14   thorpej  *	Foundation, Inc. and its contributors.
     23  1.14   thorpej  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  1.14   thorpej  *    contributors may be used to endorse or promote products derived
     25  1.14   thorpej  *    from this software without specific prior written permission.
     26  1.14   thorpej  *
     27  1.14   thorpej  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  1.14   thorpej  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  1.14   thorpej  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  1.14   thorpej  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  1.14   thorpej  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  1.14   thorpej  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  1.14   thorpej  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  1.14   thorpej  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  1.14   thorpej  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  1.14   thorpej  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  1.14   thorpej  * POSSIBILITY OF SUCH DAMAGE.
     38  1.14   thorpej  */
     39   1.1       cgd 
     40   1.1       cgd /*
     41   1.1       cgd  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
     42   1.1       cgd  *
     43   1.1       cgd  * Redistribution and use in source and binary forms, with or without
     44   1.1       cgd  * modification, are permitted provided that the following conditions
     45   1.1       cgd  * are met:
     46   1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     47   1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     48   1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     49   1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     50   1.1       cgd  *    documentation and/or other materials provided with the distribution.
     51   1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     52   1.1       cgd  *    must display the following acknowledgement:
     53   1.1       cgd  *	This product includes software developed by Charles M. Hannum.
     54   1.1       cgd  * 4. The name of the author may not be used to endorse or promote products
     55   1.1       cgd  *    derived from this software without specific prior written permission.
     56   1.1       cgd  *
     57   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     58   1.1       cgd  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     59   1.1       cgd  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     60   1.1       cgd  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     61   1.1       cgd  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     62   1.1       cgd  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     63   1.1       cgd  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     64   1.1       cgd  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     65   1.1       cgd  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     66   1.1       cgd  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     67   1.1       cgd  */
     68   1.1       cgd 
     69   1.1       cgd #ifdef DDB
     70   1.1       cgd #define	integrate
     71   1.7   thorpej #define hide
     72   1.1       cgd #else
     73   1.6  christos #define	integrate	static __inline
     74   1.7   thorpej #define hide		static
     75   1.1       cgd #endif
     76   1.1       cgd 
     77  1.15  explorer #include <sys/rnd.h>
     78  1.15  explorer 
     79   1.7   thorpej /*
     80   1.7   thorpej  * Ethernet software status per device.
     81   1.7   thorpej  *
     82   1.7   thorpej  * Each interface is referenced by a network interface structure,
     83  1.11        is  * ethercom.ec_if, which the routing code uses to locate the interface.
     84   1.7   thorpej  * This structure contains the output queue for the interface, its address, ...
     85   1.7   thorpej  *
     86   1.7   thorpej  * NOTE: this structure MUST be the first element in machine-dependent
     87   1.7   thorpej  * le_softc structures!  This is designed SPECIFICALLY to make it possible
     88   1.7   thorpej  * to simply cast a "void *" to "struct le_softc *" or to
     89   1.7   thorpej  * "struct am7990_softc *".  Among other things, this saves a lot of hair
     90   1.7   thorpej  * in the interrupt handlers.
     91   1.7   thorpej  */
     92   1.7   thorpej struct am7990_softc {
     93   1.7   thorpej 	struct	device sc_dev;		/* base device glue */
     94  1.11        is 	struct	ethercom sc_ethercom;	/* Ethernet common part */
     95  1.12   thorpej 	struct	ifmedia sc_media;	/* our supported media */
     96   1.7   thorpej 
     97   1.7   thorpej 	/*
     98   1.7   thorpej 	 * Memory functions:
     99   1.7   thorpej 	 *
    100   1.7   thorpej 	 *	copy to/from descriptor
    101   1.7   thorpej 	 *	copy to/from buffer
    102   1.7   thorpej 	 *	zero bytes in buffer
    103   1.7   thorpej 	 */
    104   1.7   thorpej 	void	(*sc_copytodesc)
    105   1.7   thorpej 		    __P((struct am7990_softc *, void *, int, int));
    106   1.7   thorpej 	void	(*sc_copyfromdesc)
    107   1.7   thorpej 		    __P((struct am7990_softc *, void *, int, int));
    108   1.7   thorpej 	void	(*sc_copytobuf)
    109   1.7   thorpej 		    __P((struct am7990_softc *, void *, int, int));
    110   1.7   thorpej 	void	(*sc_copyfrombuf)
    111   1.7   thorpej 		    __P((struct am7990_softc *, void *, int, int));
    112   1.7   thorpej 	void	(*sc_zerobuf)
    113   1.7   thorpej 		    __P((struct am7990_softc *, int, int));
    114   1.7   thorpej 
    115   1.7   thorpej 	/*
    116   1.7   thorpej 	 * Machine-dependent functions:
    117   1.7   thorpej 	 *
    118   1.7   thorpej 	 *	read/write CSR
    119  1.13     veego 	 *	hardware reset hook - may be NULL
    120   1.7   thorpej 	 *	hardware init hook - may be NULL
    121   1.8    abrown 	 *	no carrier hook - may be NULL
    122  1.12   thorpej 	 *	media change hook - may be NULL
    123   1.7   thorpej 	 */
    124   1.7   thorpej 	u_int16_t (*sc_rdcsr)
    125   1.7   thorpej 		    __P((struct am7990_softc *, u_int16_t));
    126   1.7   thorpej 	void	(*sc_wrcsr)
    127   1.7   thorpej 		    __P((struct am7990_softc *, u_int16_t, u_int16_t));
    128  1.13     veego 	void	(*sc_hwreset) __P((struct am7990_softc *));
    129   1.7   thorpej 	void	(*sc_hwinit) __P((struct am7990_softc *));
    130   1.8    abrown 	void	(*sc_nocarrier) __P((struct am7990_softc *));
    131  1.12   thorpej 	int	(*sc_mediachange) __P((struct am7990_softc *));
    132  1.12   thorpej 	void	(*sc_mediastatus) __P((struct am7990_softc *,
    133  1.12   thorpej 		    struct ifmediareq *));
    134  1.12   thorpej 
    135  1.12   thorpej 	/*
    136  1.12   thorpej 	 * Media-supported by this interface.  If this is NULL,
    137  1.12   thorpej 	 * the only supported media is assumed to be "manual".
    138  1.12   thorpej 	 */
    139  1.12   thorpej 	int	*sc_supmedia;
    140  1.12   thorpej 	int	sc_nsupmedia;
    141  1.12   thorpej 	int	sc_defaultmedia;
    142  1.13     veego 
    143  1.13     veego 	/* PCnet bit to use software selection of a port */
    144  1.13     veego 	int	sc_initmodemedia;
    145  1.12   thorpej 
    146  1.12   thorpej 	int	sc_havecarrier;	/* carrier status */
    147   1.7   thorpej 
    148   1.7   thorpej 	void	*sc_sh;		/* shutdownhook cookie */
    149   1.7   thorpej 
    150   1.7   thorpej 	u_int16_t sc_conf3;	/* CSR3 value */
    151  1.10       leo 	u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
    152   1.7   thorpej 
    153   1.7   thorpej 	void	*sc_mem;	/* base address of RAM -- CPU's view */
    154   1.7   thorpej 	u_long	sc_addr;	/* base address of RAM -- LANCE's view */
    155   1.7   thorpej 
    156   1.7   thorpej 	u_long	sc_memsize;	/* size of RAM */
    157   1.7   thorpej 
    158   1.7   thorpej 	int	sc_nrbuf;	/* number of receive buffers */
    159   1.7   thorpej 	int	sc_ntbuf;	/* number of transmit buffers */
    160   1.7   thorpej 	int	sc_last_rd;
    161   1.7   thorpej 	int	sc_first_td, sc_last_td, sc_no_td;
    162   1.7   thorpej 
    163   1.7   thorpej 	int	sc_initaddr;
    164   1.7   thorpej 	int	sc_rmdaddr;
    165   1.7   thorpej 	int	sc_tmdaddr;
    166  1.10       leo 	int	*sc_rbufaddr;
    167  1.10       leo 	int	*sc_tbufaddr;
    168   1.7   thorpej 
    169   1.7   thorpej #ifdef LEDEBUG
    170   1.7   thorpej 	int	sc_debug;
    171   1.7   thorpej #endif
    172  1.11        is 	u_int8_t sc_enaddr[6];
    173  1.11        is 	u_int8_t sc_pad[2];
    174  1.15  explorer 	rndsource_element_t	rnd_source;
    175   1.7   thorpej };
    176   1.7   thorpej 
    177   1.7   thorpej /* Export this to machine-dependent drivers. */
    178   1.7   thorpej extern struct cfdriver le_cd;
    179   1.7   thorpej 
    180   1.7   thorpej void am7990_config __P((struct am7990_softc *));
    181   1.7   thorpej void am7990_init __P((struct am7990_softc *));
    182   1.7   thorpej int am7990_ioctl __P((struct ifnet *, u_long, caddr_t));
    183   1.7   thorpej void am7990_meminit __P((struct am7990_softc *));
    184   1.7   thorpej void am7990_reset __P((struct am7990_softc *));
    185  1.11        is void am7990_setladrf __P((struct ethercom *, u_int16_t *));
    186   1.7   thorpej void am7990_start __P((struct ifnet *));
    187   1.7   thorpej void am7990_stop __P((struct am7990_softc *));
    188   1.7   thorpej void am7990_watchdog __P((struct ifnet *));
    189   1.7   thorpej int am7990_intr __P((void *));
    190   1.1       cgd 
    191   1.2       cgd /*
    192   1.2       cgd  * The following functions are only useful on certain cpu/bus
    193   1.2       cgd  * combinations.  They should be written in assembly language for
    194   1.2       cgd  * maximum efficiency, but machine-independent versions are provided
    195   1.2       cgd  * for drivers that have not yet been optimized.
    196   1.2       cgd  */
    197   1.7   thorpej void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int));
    198   1.7   thorpej void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int));
    199   1.7   thorpej void am7990_zerobuf_contig __P((struct am7990_softc *, int, int));
    200   1.7   thorpej 
    201   1.7   thorpej #if 0	/* Example only - see am7990.c */
    202   1.7   thorpej void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int));
    203   1.7   thorpej void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int));
    204   1.7   thorpej void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int));
    205   1.7   thorpej 
    206   1.7   thorpej void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int));
    207   1.7   thorpej void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int));
    208   1.7   thorpej void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int));
    209   1.7   thorpej #endif /* Example only */
    210