1 /* $NetBSD: elinkxlvar.h,v 1.16 2005/02/06 03:15:14 kim Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include "rnd.h"
40
41 #if NRND > 0
42 #include <sys/rnd.h>
43 #endif
44
45 /*
46 * Ethernet software status per interface.
47 */
48 struct ex_softc {
49 struct device sc_dev;
50 void *sc_ih;
51
52 struct ethercom sc_ethercom; /* Ethernet common part */
53 bus_space_tag_t sc_iot; /* bus cookie */
54 bus_space_handle_t sc_ioh; /* bus i/o handle */
55 bus_dma_tag_t sc_dmat; /* bus dma tag */
56 bus_dmamap_t sc_dpd_dmamap;
57 bus_dmamap_t sc_upd_dmamap;
58 #define sc_upddma sc_upd_dmamap->dm_segs[0].ds_addr
59 #define sc_dpddma sc_dpd_dmamap->dm_segs[0].ds_addr
60 struct ex_upd *sc_upd;
61 struct ex_dpd *sc_dpd;
62 bus_dmamap_t sc_tx_dmamaps[EX_NDPD]; /* DMA maps for DPDs */
63 bus_dmamap_t sc_rx_dmamaps[EX_NUPD]; /* DMA maps for UPDs */
64 struct ex_rxdesc sc_rxdescs[EX_NUPD];
65 struct ex_txdesc sc_txdescs[EX_NDPD];
66
67 struct ex_rxdesc *rx_head;
68 struct ex_rxdesc *rx_tail;
69
70 struct ex_txdesc *tx_head;
71 struct ex_txdesc *tx_tail;
72 struct ex_txdesc *tx_free;
73 struct ex_txdesc *tx_ftail;
74
75 int tx_start_thresh; /* Current TX_start_thresh. */
76 int tx_succ_ok; /* # packets sent in sequence */
77
78 u_int ex_connectors; /* Connectors on this card. */
79 mii_data_t ex_mii; /* mii bus data */
80 struct callout ex_mii_callout; /* mii callout */
81 u_int ex_conf; /* config flags */
82
83 #define EX_CONF_MII 0x0001 /* has MII bus */
84 #define EX_CONF_INTPHY 0x0002 /* has internal PHY */
85 #define EX_CONF_90XB 0x0004 /* is 90xB */
86 #define EX_CONF_INV_LED_POLARITY 0x0010 /* CardBus & MiniPCI: LED polarity */
87 #define EX_CONF_PHY_POWER 0x0020 /* CardBus & MiniPCI: PHY power */
88 #define EX_CONF_EEPROM_OFF 0x0040 /* EEPROM is offset by 0x30 */
89 #define EX_CONF_EEPROM_8BIT 0x0080 /* 8 bit EEPROM */
90 #define EX_CONF_PCI_FUNCREG 0x0100 /* Has PCI function registers */
91 #define EX_CONF_RESETHACK 0x0200 /* Hack to make reset work on 556B */
92 #define EX_CONF_NO_XCVR_PWR 0x0400 /* Hack to enable later 556B xcvr */
93
94 #define EX_XCVR_PWR_MAGICBITS 0x0900 /* NO_XCVR_PWR magic value */
95
96
97 /*
98 * XXX code duplication from elink3var.h
99 */
100 u_int ex_flags; /* capabilities flag (from EEPROM) */
101 #define EX_FLAGS_PNP 0x0001
102 #define EX_FLAGS_FULLDUPLEX 0x0002
103 #define EX_FLAGS_LARGEPKT 0x0004 /* 4k packet support */
104 #define EX_FLAGS_SLAVEDMA 0x0008
105 #define EX_FLAGS_SECONDDMA 0x0010
106 #define EX_FLAGS_FULLDMA 0x0020
107 #define EX_FLAGS_FRAGMENTDMA 0x0040
108 #define EX_FLAGS_CRC_PASSTHRU 0x0080
109 #define EX_FLAGS_TXDONE 0x0100
110 #define EX_FLAGS_NO_TXLENGTH 0x0200
111 #define EX_FLAGS_RXREPEAT 0x0400
112 #define EX_FLAGS_SNOOPING 0x0800
113 #define EX_FLAGS_100MBIT 0x1000
114 #define EX_FLAGS_POWERMGMT 0x2000
115 #define EX_FLAGS_ATTACHED 0x4000 /* attach has succeeded */
116
117 u_char ex_bustype; /* parent bus type (currently unused) */
118
119 #define EX_BUS_PCI 0
120 #define EX_BUS_CARDBUS 1
121
122 #if NRND > 0
123 rndsource_element_t rnd_source;
124 #endif
125
126 /* power management hooks */
127 int (*enable)(struct ex_softc *);
128 void (*disable)(struct ex_softc *);
129 void (*power)(struct ex_softc *, int);
130 int enabled;
131
132 /* interrupt acknowledge hook */
133 void (*intr_ack)(struct ex_softc *);
134
135 void *sc_sdhook;
136 void *sc_powerhook;
137
138 bus_dma_segment_t sc_useg, sc_dseg;
139 int sc_urseg, sc_drseg;
140
141 short sc_if_flags;
142 };
143
144 #define ex_waitcmd(sc) \
145 do { \
146 int stat; \
147 do { \
148 stat = bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, \
149 ELINK_STATUS); \
150 } while ((stat & COMMAND_IN_PROGRESS) && (stat != 0xffff)); \
151 } while (0)\
152
153 u_int16_t exreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
154 void ex_config(struct ex_softc *);
155
156 int ex_intr(void *);
157 void ex_stop(struct ifnet *, int);
158 void ex_watchdog(struct ifnet *);
159 int ex_ioctl(struct ifnet *ifp, u_long, caddr_t);
160 int ex_activate(struct device *, enum devact);
161 int ex_detach(struct ex_softc *);
162
163 int ex_enable(struct ex_softc *);
164 void ex_disable(struct ex_softc *);
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