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jenseniovar.h revision 1.2 
      1 /* $NetBSD: jenseniovar.h,v 1.2 2004/08/30 15:05:15 drochner Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999 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.
      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 _ALPHA_JENSENIO_JENSENIOVAR_H_
     40 #define _ALPHA_JENSENIO_JENSENIOVAR_H_
     41 
     42 /*
     43  * Arguments used to attach devices to the Jensen I/O bus.
     44  */
     45 struct jensenio_attach_args {
     46 	union {
     47 		struct eisabus_attach_args jaun_eisa;
     48 		struct isabus_attach_args jaun_isa;
     49 	} ja_un;
     50 
     51 	const char *ja_name;
     52 	bus_addr_t ja_ioaddr;		/* I/O space address */
     53 	int ja_irq[2];			/* Jensen IRQs */
     54 
     55 /* For attaching busses. */
     56 #define	ja_eisa		ja_un.jaun_eisa
     57 #define	ja_isa		ja_un.jaun_isa
     58 
     59 /* For attaching built-in devices. */
     60 #define	ja_iot		ja_eisa.eba_iot
     61 #define	ja_ec		ja_eisa.eba_ec
     62 };
     63 
     64 /*
     65  * The Jensen I/O bus configuration.
     66  *
     67  * All of the information that the chipset-specific functions need to
     68  * do their dirty work (and more!)
     69  */
     70 struct jensenio_config {
     71 	int	jc_initted;
     72 
     73 	struct alpha_bus_space jc_internal_iot, jc_eisa_iot, jc_eisa_memt;
     74 	struct alpha_eisa_chipset jc_ec;
     75 	struct alpha_isa_chipset jc_ic;
     76 
     77 	struct alpha_bus_dma_tag jc_dmat_eisa, jc_dmat_isa;
     78 
     79 	struct extent *jc_io_ex, *jc_s_mem_ex;
     80 
     81 	int	jc_mallocsafe;
     82 };
     83 
     84 void	jensenio_init(struct jensenio_config *, int);
     85 void	jensenio_bus_io_init(bus_space_tag_t, void *);
     86 void	jensenio_bus_intio_init(bus_space_tag_t, void *);
     87 void	jensenio_bus_mem_init(bus_space_tag_t, void *);
     88 void	jensenio_intr_init(struct jensenio_config *);
     89 void	jensenio_dma_init(struct jensenio_config *);
     90 #endif /* _ALPHA_JENSENIO_JENSENIOVAR_H_ */
     91