1 /* $OpenBSD: am79c930var.h,v 1.4 2002/03/14 01:26:54 millert Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Bill Sommerfeld
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 #define AM79C930_BUS_PCMCIA 1
40 #define AM79C930_BUS_ISAPNP 2 /* not implemented */
41
42 struct am79c930_softc
43 {
44 bus_space_tag_t sc_iot;
45 bus_space_handle_t sc_ioh;
46
47 bus_space_tag_t sc_memt;
48 bus_space_handle_t sc_memh;
49
50 struct am79c930_ops *sc_ops;
51
52 int sc_bustype;
53 };
54
55 struct am79c930_ops
56 {
57 void (*write_1)(struct am79c930_softc *, u_int32_t, u_int8_t);
58 void (*write_2)(struct am79c930_softc *, u_int32_t, u_int16_t);
59 void (*write_4)(struct am79c930_softc *, u_int32_t, u_int32_t);
60 void (*write_bytes)(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
61
62 u_int8_t (*read_1)(struct am79c930_softc *, u_int32_t);
63 u_int16_t (*read_2)(struct am79c930_softc *, u_int32_t);
64 u_int32_t (*read_4)(struct am79c930_softc *, u_int32_t);
65 void (*read_bytes)(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
66 };
67
68 void am79c930_chip_init(struct am79c930_softc *sc, int);
69
70 void am79c930_gcr_setbits(struct am79c930_softc *sc, u_int8_t bits);
71 void am79c930_gcr_clearbits(struct am79c930_softc *sc, u_int8_t bits);
72
73 u_int8_t am79c930_gcr_read(struct am79c930_softc *sc);
74
75 #define am79c930_hard_reset(sc) am79c930_gcr_setbits(sc, AM79C930_GCR_CORESET)
76 #define am79c930_hard_reset_off(sc) am79c930_gcr_clearbits(sc, AM79C930_GCR_CORESET)
77
78