xref: /netbsd-src/sys/dev/ic/am79c930var.h (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
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  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *        This product includes software developed by the NetBSD
22  *        Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 #define AM79C930_BUS_PCMCIA 1
41 #define AM79C930_BUS_ISAPNP 2	/* not implemented */
42 
43 struct am79c930_softc
44 {
45 	bus_space_tag_t sc_iot;
46 	bus_space_handle_t sc_ioh;
47 
48 	bus_space_tag_t sc_memt;
49 	bus_space_handle_t sc_memh;
50 
51 	struct am79c930_ops *sc_ops;
52 
53 	int sc_bustype;
54 };
55 
56 struct am79c930_ops
57 {
58 	void (*write_1)(struct am79c930_softc *, u_int32_t, u_int8_t);
59 	void (*write_2)(struct am79c930_softc *, u_int32_t, u_int16_t);
60 	void (*write_4)(struct am79c930_softc *, u_int32_t, u_int32_t);
61 	void (*write_bytes)(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
62 
63 	u_int8_t (*read_1)(struct am79c930_softc *, u_int32_t);
64 	u_int16_t (*read_2)(struct am79c930_softc *, u_int32_t);
65 	u_int32_t (*read_4)(struct am79c930_softc *, u_int32_t);
66 	void (*read_bytes)(struct am79c930_softc *, u_int32_t, u_int8_t *, size_t);
67 };
68 
69 void am79c930_chip_init(struct am79c930_softc *sc, int);
70 
71 void am79c930_gcr_setbits(struct am79c930_softc *sc, u_int8_t bits);
72 void am79c930_gcr_clearbits(struct am79c930_softc *sc, u_int8_t bits);
73 
74 u_int8_t am79c930_gcr_read(struct am79c930_softc *sc);
75 
76 #define am79c930_hard_reset(sc) am79c930_gcr_setbits(sc, AM79C930_GCR_CORESET)
77 #define am79c930_hard_reset_off(sc) am79c930_gcr_clearbits(sc, AM79C930_GCR_CORESET)
78 
79 
80