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      1 /* $NetBSD: upcvar.h,v 1.6 2012/10/27 17:18:23 chs Exp $ */
      2 /*-
      3  * Copyright (c) 2000, 2003 Ben Harris
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef __UPCVAR_H
     30 #define __UPCVAR_H
     31 
     32 #include <sys/bus.h>
     33 
     34 struct upc_irqhandle {
     35 	int	(*uih_func)(void *);
     36 	void	*uih_arg;
     37 	int	uih_level;
     38 };
     39 
     40 struct upc_softc {
     41 	device_t		sc_dev;
     42 	/* These fields are filled in by the bus attachment. */
     43 	bus_space_tag_t		sc_iot;
     44 	bus_space_handle_t	sc_ioh;
     45 	/*
     46 	 * These fields are filled in by upc_attach().  The bus attachment
     47 	 * for upc is expected to establish them according to the way the
     48 	 * chip is wired.
     49 	 */
     50 	struct upc_irqhandle	sc_irq3;
     51 	struct upc_irqhandle	sc_irq4;
     52 	struct upc_irqhandle	sc_pintr;
     53 	struct upc_irqhandle	sc_fintr;
     54 	struct upc_irqhandle	sc_wintr;
     55 };
     56 
     57 extern void upc_attach(struct upc_softc *);
     58 extern int upc1_read_config(struct upc_softc *, int);
     59 extern void upc1_write_config(struct upc_softc *, int, int);
     60 extern int upc2_read_config(struct upc_softc *, int);
     61 extern void upc2_write_config(struct upc_softc *, int, int);
     62 
     63 /* This is the structure passed to children of upc. */
     64 struct upc_attach_args {
     65 	char const		*ua_devtype;
     66 	int			ua_offset;
     67 	bus_space_tag_t		ua_iot;
     68 	bus_space_handle_t	ua_ioh;
     69 	bus_space_handle_t	ua_ioh2; /* for wdc */
     70 	struct upc_irqhandle	*ua_irqhandle;
     71 };
     72 
     73 extern void upc_intr_establish(struct upc_irqhandle *, int, int (*)(void *),
     74 			       void *arg);
     75 
     76 #endif
     77