xref: /netbsd-src/sys/dev/ic/am79c930var.h (revision ce099b40997c43048fb78bd578195f81d2456523)
1 /* $NetBSD: am79c930var.h,v 1.6 2008/04/28 20:23:49 martin 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 
36 struct 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 
49 struct 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 
62 void am79c930_chip_init(struct am79c930_softc *sc, int);
63 
64 void am79c930_gcr_setbits(struct am79c930_softc *sc, u_int8_t bits);
65 void am79c930_gcr_clearbits(struct am79c930_softc *sc, u_int8_t bits);
66 
67 u_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