xref: /netbsd/sys/dev/ic/elinkxlvar.h (revision c4a72b64)
1 /*	$NetBSD: elinkxlvar.h,v 1.13 2002/06/20 23:47:26 itojun 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 
93 
94 	/*
95 	 * XXX code duplication from elink3var.h
96 	 */
97 	u_int	ex_flags;		/* capabilities flag (from EEPROM) */
98 #define EX_FLAGS_PNP			0x0001
99 #define EX_FLAGS_FULLDUPLEX		0x0002
100 #define EX_FLAGS_LARGEPKT		0x0004	/* 4k packet support */
101 #define EX_FLAGS_SLAVEDMA		0x0008
102 #define EX_FLAGS_SECONDDMA		0x0010
103 #define EX_FLAGS_FULLDMA		0x0020
104 #define EX_FLAGS_FRAGMENTDMA		0x0040
105 #define EX_FLAGS_CRC_PASSTHRU		0x0080
106 #define EX_FLAGS_TXDONE			0x0100
107 #define EX_FLAGS_NO_TXLENGTH		0x0200
108 #define EX_FLAGS_RXREPEAT		0x0400
109 #define EX_FLAGS_SNOOPING		0x0800
110 #define EX_FLAGS_100MBIT		0x1000
111 #define EX_FLAGS_POWERMGMT		0x2000
112 #define EX_FLAGS_ATTACHED		0x4000	/* attach has succeeded */
113 
114 	u_char	ex_bustype;		/* parent bus type (currently unused) */
115 
116 #define EX_BUS_PCI	0
117 #define EX_BUS_CARDBUS	1
118 
119 #if NRND > 0
120 	rndsource_element_t rnd_source;
121 #endif
122 
123 	/* power management hooks */
124 	int (*enable) __P((struct ex_softc *));
125 	void (*disable) __P((struct ex_softc *));
126 	void (*power) __P((struct ex_softc *, int));
127 	int enabled;
128 
129 	/* interrupt acknowledge hook */
130 	void (*intr_ack) __P((struct ex_softc *));
131 
132 	void *sc_sdhook;
133 	void *sc_powerhook;
134 
135 	bus_dma_segment_t sc_useg, sc_dseg;
136 	int sc_urseg, sc_drseg;
137 };
138 
139 #define ex_waitcmd(sc) \
140 	do { \
141 		int stat; \
142 		do { \
143 			stat = bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, \
144 			    ELINK_STATUS); \
145 		} while ((stat & COMMAND_IN_PROGRESS) && (stat != 0xffff)); \
146 	} while (0)\
147 
148 u_int16_t exreadeeprom __P((bus_space_tag_t, bus_space_handle_t, int));
149 void	ex_config __P((struct ex_softc *));
150 
151 int	ex_intr __P((void *));
152 void	ex_stop __P((struct ifnet *, int));
153 void	ex_watchdog __P((struct ifnet *));
154 int	ex_ioctl __P((struct ifnet *ifp, u_long, caddr_t));
155 int	ex_activate __P((struct device *, enum devact));
156 int	ex_detach __P((struct ex_softc *));
157 
158 int	ex_enable __P((struct ex_softc *));
159 void	ex_disable __P((struct ex_softc *));
160