Home | History | Annotate | Line # | Download | only in ic
elink3var.h revision 1.17 
      1 /*	$NetBSD: elink3var.h,v 1.17 1998/08/15 16:15:40 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Herb Peyerl.
     18  * 4. The name of Herb Peyerl may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include "rnd.h"
     34 
     35 #if NRND > 0
     36 #include <sys/rnd.h>
     37 #endif
     38 
     39 /*
     40  * Ethernet software status per interface.
     41  */
     42 struct ep_softc {
     43 	struct device sc_dev;
     44 	void *sc_ih;
     45 
     46 	struct ethercom sc_ethercom;	/* Ethernet common part		*/
     47 	struct mii_data sc_mii;		/* MII/media control		*/
     48 	bus_space_tag_t sc_iot;		/* bus cookie			*/
     49 	bus_space_handle_t sc_ioh;	/* bus i/o handle		*/
     50 #define MAX_MBS	8			/* # of mbufs we keep around	*/
     51 	struct mbuf *mb[MAX_MBS];	/* spare mbuf storage.		*/
     52 	int	next_mb;		/* Which mbuf to use next. 	*/
     53 	int	last_mb;		/* Last mbuf.			*/
     54 	int	tx_start_thresh;	/* Current TX_start_thresh.	*/
     55 	int	tx_succ_ok;		/* # packets sent in sequence   */
     56 					/* w/o underrun			*/
     57 
     58 	u_int	ep_flags;		/* capabilities flag (from EEPROM) */
     59 #define EP_FLAGS_PNP			0x0001
     60 #define EP_FLAGS_FULLDUPLEX		0x0002
     61 #define EP_FLAGS_LARGEPKT		0x0004	/* 4k packet support */
     62 #define EP_FLAGS_SLAVEDMA		0x0008
     63 #define EP_FLAGS_SECONDDMA		0x0010
     64 #define EP_FLAGS_FULLDMA		0x0020
     65 #define EP_FLAGS_FRAGMENTDMA		0x0040
     66 #define EP_FLAGS_CRC_PASSTHRU		0x0080
     67 #define EP_FLAGS_TXDONE			0x0100
     68 #define EP_FLAGS_NO_TXLENGTH		0x0200
     69 #define EP_FLAGS_RXREPEAT		0x0400
     70 #define EP_FLAGS_SNOOPING		0x0800
     71 #define EP_FLAGS_100MBIT		0x1000
     72 #define EP_FLAGS_POWERMGMT		0x2000
     73 #define	EP_FLAGS_MII			0x4000
     74 
     75 	u_short ep_chipset;		/* Chipset family on this board */
     76 #define EP_CHIPSET_3C509		0x00	/* PIO: 3c509, 3c589 */
     77 #define EP_CHIPSET_VORTEX		0x01	/* 100mbit, single-pkt dma */
     78 #define EP_CHIPSET_BOOMERANG		0x02	/* Saner dma plus PIO */
     79 #define	EP_CHIPSET_ROADRUNNER		0x03	/* like Boomerang, but for
     80 						   PCMCIA; has shared memory
     81 						   plus FIFO buffer */
     82 #define	EP_CHIPSET_CORKSCREW		0x04	/* like Boomerang, but DMA
     83 						   hacked to work w/ ISA */
     84 
     85 	u_char	bustype;		/* parent bus type */
     86 #define EP_BUS_ISA	  	0x0
     87 #define	EP_BUS_PCMCIA	  	0x1
     88 #define	EP_BUS_EISA	  	0x2
     89 #define EP_BUS_PCI	  	0x3
     90 
     91 #define EP_IS_BUS_32(a)	((a) & 0x2)
     92 	int ep_pktlenshift;		/* scale factor for pkt lengths */
     93 
     94 #if NRND > 0
     95 	rndsource_element_t rnd_source;
     96 #endif
     97 
     98 	/* power management hooks */
     99 	int (*enable) __P((struct ep_softc *));
    100 	void (*disable) __P((struct ep_softc *));
    101 	int enabled;
    102 };
    103 
    104 u_int16_t epreadeeprom __P((bus_space_tag_t, bus_space_handle_t, int));
    105 void	epconfig __P((struct ep_softc *, u_short, u_int8_t *));
    106 
    107 int	epintr __P((void *));
    108 void	epstop __P((struct ep_softc *));
    109