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 *	$FreeBSD$
30 */
31
32struct ex_softc {
33  	struct ifnet	*ifp;
34	struct ifmedia	ifmedia;
35	u_char		enaddr[6];
36
37	device_t	dev;
38	struct resource *ioport;
39	int		ioport_rid;
40	struct resource *irq;
41	int		irq_rid;
42	void *		ih;
43
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	struct mtx	lock;
69	struct callout	timer;
70	int		tx_timeout;
71	int		flags;
72#define	HAS_INT_NO_REG	1
73};
74
75extern devclass_t ex_devclass;
76
77extern char	irq2eemap[];
78extern u_char	ee2irqmap[];
79extern char	plus_irq2eemap[];
80extern u_char	plus_ee2irqmap[];
81
82int		ex_alloc_resources(device_t);
83void		ex_release_resources(device_t);
84int		ex_attach(device_t);
85int		ex_detach(device_t);
86
87driver_intr_t	ex_intr;
88
89u_int16_t	ex_eeprom_read(struct ex_softc *, int);
90void		ex_get_address(struct ex_softc *, u_char *);
91int		ex_card_type(u_char *);
92
93void		ex_stop(struct ex_softc *);
94
95#define CSR_READ_1(sc, off) (bus_read_1((sc)->ioport, off))
96#define CSR_READ_2(sc, off) (bus_read_2((sc)->ioport, off))
97#define CSR_WRITE_1(sc, off, val) \
98	bus_write_1((sc)->ioport, off, val)
99#define CSR_WRITE_2(sc, off, val) \
100	bus_write_2((sc)->ioport, off, val)
101#define CSR_WRITE_MULTI_1(sc, off, addr, count) \
102	bus_write_multi_1((sc)->ioport, off, addr, count)
103#define CSR_WRITE_MULTI_2(sc, off, addr, count) \
104	bus_write_multi_2((sc)->ioport, off, addr, count)
105#define CSR_WRITE_MULTI_4(sc, off, addr, count) \
106	bus_write_multi_4((sc)->ioport, off, addr, count)
107#define CSR_READ_MULTI_1(sc, off, addr, count) \
108	bus_read_multi_1((sc)->ioport, off, addr, count)
109#define CSR_READ_MULTI_2(sc, off, addr, count) \
110	bus_read_multi_2((sc)->ioport, off, addr, count)
111#define CSR_READ_MULTI_4(sc, off, addr, count) \
112	bus_read_multi_4((sc)->ioport, off, addr, count)
113
114#define	EX_LOCK(sc)		mtx_lock(&(sc)->lock)
115#define	EX_UNLOCK(sc)		mtx_unlock(&(sc)->lock)
116#define	EX_ASSERT_LOCKED(sc)	mtx_assert(&(sc)->lock, MA_OWNED)
117