1/* $NetBSD: am79c930var.h,v 1.5 2005/12/11 12:21:25 christos Exp $ */
2/* $FreeBSD$ */
3
4/*-
5 * Copyright (c) 1999 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Bill Sommerfeld
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#define AM79C930_BUS_PCMCIA 1
34#define AM79C930_BUS_ISAPNP 2	/* not implemented */
35
36struct am79c930_softc
37{
38	bus_space_tag_t sc_iot;
39	bus_space_handle_t sc_ioh;
40
41	bus_space_tag_t sc_memt;
42	bus_space_handle_t sc_memh;
43
44	struct am79c930_ops *sc_ops;
45
46	int sc_bustype;
47};
48
49struct am79c930_ops
50{
51	void (*write_1)(struct am79c930_softc *, u_int32_t, u_int8_t);
52	void (*write_2)(struct am79c930_softc *, u_int32_t, u_int16_t);
53	void (*write_4)(struct am79c930_softc *, u_int32_t, u_int32_t);
54	void (*write_bytes)(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
55
56	u_int8_t (*read_1)(struct am79c930_softc *, u_int32_t);
57	u_int16_t (*read_2)(struct am79c930_softc *, u_int32_t);
58	u_int32_t (*read_4)(struct am79c930_softc *, u_int32_t);
59	void (*read_bytes)(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
60};
61
62void am79c930_chip_init(struct am79c930_softc *sc, int);
63
64void am79c930_gcr_setbits(struct am79c930_softc *sc, u_int8_t bits);
65void am79c930_gcr_clearbits(struct am79c930_softc *sc, u_int8_t bits);
66
67u_int8_t am79c930_gcr_read(struct am79c930_softc *sc);
68
69#define am79c930_hard_reset(sc) am79c930_gcr_setbits(sc, AM79C930_GCR_CORESET)
70#define am79c930_hard_reset_off(sc) am79c930_gcr_clearbits(sc, AM79C930_GCR_CORESET)
71
72
73