1/* $NetBSD: elink3var.h,v 1.39 2015/04/13 16:33:24 riastradh Exp $ */
2
3/*
4 * Copyright (c) 1994 Herb Peyerl <hpeyerl@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 */
38struct 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
109u_int16_t epreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
110int epconfig(struct ep_softc *, u_short, u_int8_t *);
111
112int epintr(void *);
113
114int epenable(struct ep_softc *);
115void epdisable(struct ep_softc *);
116
117int ep_activate(device_t, enum devact);
118int ep_detach(device_t, int);
119
120void ep_power(int, void *);
121