xref: /openbsd/sys/dev/ic/elink3var.h (revision 5af055cd)
1 /*	$OpenBSD: elink3var.h,v 1.19 2009/11/23 16:36:22 claudio Exp $	*/
2 /*	$NetBSD: elink3var.h,v 1.12 1997/03/30 22:47:11 jonathan Exp $	*/
3 
4 /*
5  * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by Herb Peyerl.
19  * 4. The name of Herb Peyerl may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * Ethernet software status per interface.
36  */
37 struct ep_softc {
38 	struct device sc_dev;
39 	void *sc_ih;
40 	struct timeout sc_epmbuffill_tmo;
41 
42 	struct arpcom sc_arpcom;	/* Ethernet common part		*/
43 	struct mii_data sc_mii;		/* MII/media control		*/
44 	bus_space_tag_t sc_iot;		/* bus cookie			*/
45 	bus_space_handle_t sc_ioh;	/* bus i/o handle		*/
46 	u_int	ep_connectors;		/* Connectors on this card.	*/
47 #define MAX_MBS	8			/* # of mbufs we keep around	*/
48 	struct mbuf *mb[MAX_MBS];	/* spare mbuf storage.		*/
49 	int	next_mb;		/* Which mbuf to use next. 	*/
50 	int	tx_start_thresh;	/* Current TX_start_thresh.	*/
51 	int	tx_succ_ok;		/* # packets sent in sequence   */
52 					/* w/o underrun			*/
53 
54 	u_int	ep_flags;		/* capabilities flag (from EEPROM) */
55 #define EP_FLAGS_PNP			0x0001
56 #define EP_FLAGS_FULLDUPLEX		0x0002
57 #define EP_FLAGS_LARGEPKT		0x0004	/* 4k packet support */
58 #define EP_FLAGS_SLAVEDMA		0x0008
59 #define EP_FLAGS_SECONDDMA		0x0010
60 #define EP_FLAGS_FULLDMA		0x0020
61 #define EP_FLAGS_FRAGMENTDMA		0x0040
62 #define EP_FLAGS_CRC_PASSTHRU		0x0080
63 #define EP_FLAGS_TXDONE			0x0100
64 #define EP_FLAGS_NO_TXLENGTH		0x0200
65 #define EP_FLAGS_RXREPEAT		0x0400
66 #define EP_FLAGS_SNOOPING		0x0800
67 #define EP_FLAGS_100MBIT		0x1000
68 #define EP_FLAGS_POWERMGMT		0x2000
69 #define EP_FLAGS_MII			0x4000
70 
71 	u_short ep_chipset;		/* Chipset family on this board */
72 #define EP_CHIPSET_UNKNOWN		0x00	/* unknown (assume 3c509) */
73 #define EP_CHIPSET_3C509		0x01	/* PIO: 3c509, 3c589 */
74 #define EP_CHIPSET_VORTEX		0x02	/* 100mbit, single-pkt dma */
75 #define EP_CHIPSET_BOOMERANG		0x03	/* Saner dma plus PIO */
76 #define EP_CHIPSET_BOOMERANG2		0x04	/* Saner dma, no PIO */
77 #define EP_CHIPSET_ROADRUNNER		0x05	/* Like Boomerang, but PCMCIA */
78 
79 	u_char	bustype;
80 #define EP_BUS_ISA	  	0x0
81 #define	EP_BUS_PCMCIA	  	0x1
82 #define	EP_BUS_EISA	  	0x2
83 #define EP_BUS_PCI	  	0x3
84 
85 #define EP_IS_BUS_32(a)	((a) & 0x2)
86 
87 	u_char	txashift;		/* shift in SET_TX_AVAIL_THRESH */
88 };
89 
90 u_int16_t epreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
91 void	epconfig(struct ep_softc *, u_short, u_int8_t *);
92 int	epintr(void *);
93 void	epstop(struct ep_softc *);
94 void	epinit(struct ep_softc *);
95 int	ep_detach(struct device *);
96