if_exvar.h revision 71235 
1/*-
2 * Copyright (c) 1996, Javier Mart^mn Rueda (jmrueda@diatel.upm.es)
3 * All rights reserved.
4 *
5 * Copyright (c) 2000 Matthew N. Dodd
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 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	$FreeBSD: head/sys/dev/ex/if_exvar.h 71235 2001-01-19 09:04:56Z jhb $
30 */
31
32struct ex_softc {
33  	struct arpcom	arpcom;		/* Ethernet common data */
34	struct ifmedia	ifmedia;
35
36	device_t	dev;
37	struct resource *ioport;
38	int		ioport_rid;
39	struct resource *irq;
40	int		irq_rid;
41	void *		ih;
42
43	u_int		iobase;		/* I/O base address. */
44	u_short		irq_no;		/* IRQ number. */
45
46	char *		irq2ee;		/* irq <-> internal		*/
47	u_char *	ee2irq;		/* representation conversion	*/
48
49	u_int		mem_size;	/* Total memory size, in bytes. */
50	u_int		rx_mem_size;	/* Rx memory size (by default,	*/
51					/* first 3/4 of total memory).	*/
52
53	u_int		rx_lower_limit;	/* Lower and upper limits of	*/
54	u_int		rx_upper_limit;	/* receive buffer.		*/
55
56	u_int		rx_head;	/* Head of receive ring buffer. */
57	u_int		tx_mem_size;	/* Tx memory size (by default,	*/
58					/* last quarter of total memory).*/
59
60	u_int		tx_lower_limit;	/* Lower and upper limits of	*/
61	u_int		tx_upper_limit;	/* transmit buffer.		*/
62
63	u_int		tx_head;	/* Head and tail of 		*/
64	u_int		tx_tail;	/* transmit ring buffer.	*/
65
66	u_int		tx_last;	/* Pointer to beginning of last	*/
67					/* frame in the chain.		*/
68};
69
70extern char	irq2eemap[];
71extern u_char	ee2irqmap[];
72extern char	plus_irq2eemap[];
73extern u_char	plus_ee2irqmap[];
74
75int		ex_alloc_resources	(device_t);
76void		ex_release_resources	(device_t);
77int		ex_attach		(device_t);
78
79driver_intr_t	ex_intr;
80
81u_int16_t	eeprom_read		(u_int32_t, int);
82
83int		look_for_card		(u_int32_t);
84void		ex_get_address		(u_int32_t, u_char *);
85int		ex_card_type		(u_char *);
86
87void		ex_stop			(struct ex_softc *);
88