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z8530var.h revision 1.13.38.1 
      1  1.13.38.1      mjf /*	$NetBSD: z8530var.h,v 1.13.38.1 2008/04/03 12:42:27 mjf Exp $	*/
      2        1.2      gwr 
      3        1.2      gwr /*
      4        1.2      gwr  * Copyright (c) 1992, 1993
      5        1.2      gwr  *	The Regents of the University of California.  All rights reserved.
      6        1.9      agc  *
      7        1.9      agc  * This software was developed by the Computer Systems Engineering group
      8        1.9      agc  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9        1.9      agc  * contributed to Berkeley.
     10        1.9      agc  *
     11        1.9      agc  * All advertising materials mentioning features or use of this software
     12        1.9      agc  * must display the following acknowledgement:
     13        1.9      agc  *	This product includes software developed by the University of
     14        1.9      agc  *	California, Lawrence Berkeley Laboratory.
     15        1.9      agc  *
     16        1.9      agc  * Redistribution and use in source and binary forms, with or without
     17        1.9      agc  * modification, are permitted provided that the following conditions
     18        1.9      agc  * are met:
     19        1.9      agc  * 1. Redistributions of source code must retain the above copyright
     20        1.9      agc  *    notice, this list of conditions and the following disclaimer.
     21        1.9      agc  * 2. Redistributions in binary form must reproduce the above copyright
     22        1.9      agc  *    notice, this list of conditions and the following disclaimer in the
     23        1.9      agc  *    documentation and/or other materials provided with the distribution.
     24        1.9      agc  * 3. Neither the name of the University nor the names of its contributors
     25        1.9      agc  *    may be used to endorse or promote products derived from this software
     26        1.9      agc  *    without specific prior written permission.
     27        1.9      agc  *
     28        1.9      agc  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29        1.9      agc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30        1.9      agc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31        1.9      agc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32        1.9      agc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33        1.9      agc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34        1.9      agc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35        1.9      agc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36        1.9      agc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37        1.9      agc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38        1.9      agc  * SUCH DAMAGE.
     39        1.9      agc  *
     40        1.9      agc  *	@(#)zsvar.h	8.1 (Berkeley) 6/11/93
     41        1.9      agc  */
     42        1.9      agc 
     43        1.9      agc /*
     44        1.9      agc  * Copyright (c) 1994 Gordon W. Ross
     45        1.2      gwr  *
     46        1.2      gwr  * This software was developed by the Computer Systems Engineering group
     47        1.2      gwr  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
     48        1.2      gwr  * contributed to Berkeley.
     49        1.2      gwr  *
     50        1.2      gwr  * All advertising materials mentioning features or use of this software
     51        1.2      gwr  * must display the following acknowledgement:
     52        1.2      gwr  *	This product includes software developed by the University of
     53        1.2      gwr  *	California, Lawrence Berkeley Laboratory.
     54        1.2      gwr  *
     55        1.2      gwr  * Redistribution and use in source and binary forms, with or without
     56        1.2      gwr  * modification, are permitted provided that the following conditions
     57        1.2      gwr  * are met:
     58        1.2      gwr  * 1. Redistributions of source code must retain the above copyright
     59        1.2      gwr  *    notice, this list of conditions and the following disclaimer.
     60        1.2      gwr  * 2. Redistributions in binary form must reproduce the above copyright
     61        1.2      gwr  *    notice, this list of conditions and the following disclaimer in the
     62        1.2      gwr  *    documentation and/or other materials provided with the distribution.
     63        1.2      gwr  * 3. All advertising materials mentioning features or use of this software
     64        1.2      gwr  *    must display the following acknowledgement:
     65        1.2      gwr  *	This product includes software developed by the University of
     66        1.2      gwr  *	California, Berkeley and its contributors.
     67        1.2      gwr  * 4. Neither the name of the University nor the names of its contributors
     68        1.2      gwr  *    may be used to endorse or promote products derived from this software
     69        1.2      gwr  *    without specific prior written permission.
     70        1.2      gwr  *
     71        1.2      gwr  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     72        1.2      gwr  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     73        1.2      gwr  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     74        1.2      gwr  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     75        1.2      gwr  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     76        1.2      gwr  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     77        1.2      gwr  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     78        1.2      gwr  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     79        1.2      gwr  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     80        1.2      gwr  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     81        1.2      gwr  * SUCH DAMAGE.
     82        1.2      gwr  *
     83        1.2      gwr  *	@(#)zsvar.h	8.1 (Berkeley) 6/11/93
     84        1.2      gwr  */
     85        1.2      gwr 
     86        1.2      gwr #include <dev/ic/z8530sc.h>
     87        1.2      gwr 
     88        1.6      gwr struct zsc_softc {
     89  1.13.38.1      mjf 	device_t zsc_dev;		/* required first: base device */
     90        1.6      gwr 	struct	zs_chanstate *zsc_cs[2];	/* channel A and B soft state */
     91        1.6      gwr 	/* Machine-dependent part follows... */
     92       1.12  tsutsui 	struct	zs_chanstate  zsc_cs_store[2];
     93       1.12  tsutsui 	void	*zs_si;			/* softintr cookie */
     94        1.6      gwr };
     95        1.6      gwr 
     96        1.2      gwr /*
     97        1.3      gwr  * Functions to read and write individual registers in a channel.
     98        1.3      gwr  * The ZS chip requires a 1.6 uSec. recovery time between accesses,
     99        1.3      gwr  * and the Sun3 hardware does NOT take care of this for you.
    100        1.3      gwr  * The delay is now handled inside the chip access functions.
    101        1.3      gwr  * These could be inlines, but with the delay, speed is moot.
    102        1.2      gwr  */
    103        1.2      gwr 
    104  1.13.38.1      mjf uint8_t zs_read_reg(struct zs_chanstate *, uint8_t);
    105  1.13.38.1      mjf uint8_t zs_read_csr(struct zs_chanstate *);
    106  1.13.38.1      mjf uint8_t zs_read_data(struct zs_chanstate *);
    107  1.13.38.1      mjf 
    108  1.13.38.1      mjf void  zs_write_reg(struct zs_chanstate *, uint8_t, uint8_t);
    109  1.13.38.1      mjf void  zs_write_csr(struct zs_chanstate *, uint8_t);
    110  1.13.38.1      mjf void  zs_write_data(struct zs_chanstate *, uint8_t);
    111        1.3      gwr 
    112       1.13  tsutsui /* Everyone has splzs() in <machine/intr.h> */
    113        1.2      gwr 
    114        1.7      chs /* We want to call it "zs" instead of "zsc" (sigh). */
    115        1.7      chs #ifndef ZSCCF_CHANNEL
    116        1.7      chs #define ZSCCF_CHANNEL 0
    117        1.7      chs #define ZSCCF_CHANNEL_DEFAULT -1
    118        1.7      chs #endif
    119        1.8      chs 
    120        1.8      chs #undef cn_trap
    121        1.8      chs #define cn_trap() zs_abort(NULL)
    122