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      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 
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