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      1 /*	$NetBSD: elink3var.h,v 1.39 2015/04/13 16:33:24 riastradh 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 <sys/rndsource.h>
     34 
     35 /*
     36  * Ethernet software status per interface.
     37  */
     38 struct ep_softc {
     39 	device_t sc_dev;
     40 	void *sc_ih;
     41 
     42 	struct ethercom sc_ethercom;	/* Ethernet common part		*/
     43 	struct mii_data sc_mii;		/* MII/media control		*/
     44 	struct callout sc_mii_callout;	/* MII callout handle		*/
     45 	struct callout sc_mbuf_callout;	/* mbuf fill callout		*/
     46 	bus_space_tag_t sc_iot;		/* bus cookie			*/
     47 	bus_space_handle_t sc_ioh;	/* bus i/o handle		*/
     48 	bus_space_tag_t sc_memt;	/* RoadRunner only		*/
     49 	bus_space_handle_t sc_memh;	/* RoadRunner only		*/
     50 	u_int32_t sc_flags;		/* misc. flags			*/
     51 #define MAX_MBS	8			/* # of mbufs we keep around	*/
     52 	struct mbuf *mb[MAX_MBS];	/* spare mbuf storage.		*/
     53 	int	next_mb;		/* Which mbuf to use next. 	*/
     54 	int	last_mb;		/* Last mbuf.			*/
     55 	int	tx_start_thresh;	/* Current TX_start_thresh.	*/
     56 	int	tx_succ_ok;		/* # packets sent in sequence   */
     57 					/* w/o underrun			*/
     58 
     59 	u_int	ep_flags;		/* capabilities flag (from EELINKROM) */
     60 #define	ELINK_FLAGS_PNP			0x00001
     61 #define	ELINK_FLAGS_FULLDUPLEX		0x00002
     62 #define	ELINK_FLAGS_LARGELINKKT		0x00004	/* 4k packet support */
     63 #define	ELINK_FLAGS_SLAVEDMA		0x00008
     64 #define	ELINK_FLAGS_SECONDDMA		0x00010
     65 #define	ELINK_FLAGS_FULLDMA		0x00020
     66 #define	ELINK_FLAGS_FRAGMENTDMA		0x00040
     67 #define	ELINK_FLAGS_CRC_PASSTHRU	0x00080
     68 #define	ELINK_FLAGS_TXDONE		0x00100
     69 #define	ELINK_FLAGS_NO_TXLENGTH		0x00200
     70 #define	ELINK_FLAGS_RXRELINKEAT		0x00400
     71 #define	ELINK_FLAGS_SNOOPING		0x00800
     72 #define	ELINK_FLAGS_100MBIT		0x01000
     73 #define	ELINK_FLAGS_POWERMGMT		0x02000
     74 #define	ELINK_FLAGS_MII			0x04000
     75 #define	ELINK_FLAGS_USEFIFOBUFFER	0x08000	/* RoadRunner only */
     76 #define	ELINK_FLAGS_USESHAREDMEM	0x10000	/* RoadRunner only */
     77 #define	ELINK_FLAGS_FORCENOWAIT		0x20000	/* RoadRunner only */
     78 #define	ELINK_FLAGS_ATTACHED		0x40000	/* attach has succeeded */
     79 
     80 	u_short ep_chipset;		/* Chipset family on this board */
     81 #define	ELINK_CHIPSET_3C509		0x00	/* PIO: 3c509, 3c589 */
     82 #define	ELINK_CHIPSET_VORTEX		0x01	/* 100mbit, single-pkt DMA */
     83 #define	ELINK_CHIPSET_BOOMERANG		0x02	/* Saner DMA plus PIO */
     84 #define	ELINK_CHIPSET_ROADRUNNER	0x03	/* like Boomerang, but for
     85 						   PCMCIA; has shared memory
     86 						   plus FIFO buffer */
     87 #define	ELINK_CHIPSET_CORKSCREW		0x04	/* like Boomerang, but DMA
     88 						   hacked to work w/ ISA */
     89 
     90 	u_char	bustype;		/* parent bus type */
     91 #define	ELINK_BUS_ISA	  	0x0
     92 #define	ELINK_BUS_PCMCIA  	0x1
     93 #define	ELINK_BUS_EISA	  	0x2
     94 #define	ELINK_BUS_PCI	  	0x3
     95 #define	ELINK_BUS_MCA	  	0x6
     96 
     97 #define	ELINK_IS_BUS_32(a)	((a) & 0x2)
     98 	int ep_pktlenshift;		/* scale factor for pkt lengths */
     99 
    100 	krndsource_t rnd_source;
    101 
    102 	/* power management hooks */
    103 	int (*enable)(struct ep_softc *);
    104 	void (*disable)(struct ep_softc *);
    105 	int enabled;
    106 };
    107 
    108 
    109 u_int16_t epreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
    110 int	epconfig(struct ep_softc *, u_short, u_int8_t *);
    111 
    112 int	epintr(void *);
    113 
    114 int	epenable(struct ep_softc *);
    115 void	epdisable(struct ep_softc *);
    116 
    117 int	ep_activate(device_t, enum devact);
    118 int	ep_detach(device_t, int);
    119 
    120 void	ep_power(int, void *);
    121