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zsvar.h revision 1.8 
      1 /*	$NetBSD: zsvar.h,v 1.8 2000/11/09 19:51:57 scw Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe and Steve C. Woodford.
      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 #ifndef _MVME68K_ZSVAR_H
     40 #define _MVME68K_ZSVAR_H
     41 
     42 /*
     43  * Non-exported definitons common to the different attachment
     44  * types for the SCC on the Motorola MVME series of computers.
     45  */
     46 
     47 /*
     48  * The MVME-147 provides a 5 MHz clock to the SCC chips.
     49  */
     50 #define ZSMVME_PCLK_147	5000000		/* PCLK pin input clock rate */
     51 
     52 /*
     53  * The MVME-162 provides a 10 MHz clock to the SCC chips.
     54  */
     55 #define ZSMVME_PCLK_162	10000000	/* PCLK pin input clock rate */
     56 
     57 /*
     58  * ZS should interrupt host at level 4.
     59  */
     60 #define ZSMVME_HARD_PRI	4
     61 
     62 /*
     63  * XXX Make cnprobe a little easier.
     64  */
     65 #define NZSMVMEC	2
     66 
     67 
     68 struct zsmvme_softc {
     69 	struct zsc_softc	sc_zsc;
     70 	struct zs_chanstate	sc_cs_store[2];
     71 	void			*sc_softintr_cookie;
     72 };
     73 
     74 struct zsmvme_config {
     75 	bus_space_tag_t	zc_bt;
     76 	struct {
     77 		bus_space_handle_t zc_csrbh;
     78 		bus_space_handle_t zc_databh;
     79 	} zc_s[2];
     80 	int		zc_vector;
     81 	int		zc_pclk;
     82 };
     83 
     84 /* Globals exported from zs.c */
     85 extern	u_char zsmvme_init_reg[];
     86 extern	struct zs_chanstate *zsmvme_conschan;
     87 
     88 /* Functions exported to ASIC-specific drivers. */
     89 void	zsmvme_config __P((struct zsmvme_softc *, struct zsmvme_config *));
     90 void	zsmvme_cnconfig __P((int, int, struct zsmvme_config *));
     91 int	zsmvme_getc(void *);
     92 void	zsmvme_putc(void *, int);
     93 
     94 #endif /* _MVME68K_ZSVAR_H */
     95