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      1 /* $NetBSD: apecsvar.h,v 1.12 2023/12/04 00:32:10 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 #include <sys/vmem.h>
     31 
     32 #include <dev/isa/isavar.h>
     33 #include <dev/pci/pcivar.h>
     34 #include <alpha/pci/pci_sgmap_pte64.h>
     35 
     36 /*
     37  * An APECS chipset's configuration.
     38  *
     39  * All of the information that the chipset-specific functions need to
     40  * do their dirty work (and more!).
     41  */
     42 struct apecs_config {
     43 	int	ac_initted;
     44 
     45 	int	ac_comanche_pass2;
     46 	int	ac_epic_pass2;
     47 	int	ac_memwidth;
     48 
     49 	struct alpha_bus_space ac_iot, ac_memt;
     50 	struct alpha_pci_chipset ac_pc;
     51 
     52 	struct alpha_bus_dma_tag ac_dmat_direct;
     53 	struct alpha_bus_dma_tag ac_dmat_sgmap;
     54 
     55 	struct alpha_sgmap ac_sgmap;
     56 
     57 	uint32_t ac_haxr1, ac_haxr2;
     58 
     59 	vmem_t *ac_io_arena;
     60 	vmem_t *ac_d_mem_arena;
     61 	vmem_t *ac_s_mem_arena;
     62 };
     63 
     64 void	apecs_init(struct apecs_config *);
     65 void	apecs_pci_init(pci_chipset_tag_t, void *);
     66 void	apecs_dma_init(struct apecs_config *);
     67 
     68 void	apecs_bus_io_init(bus_space_tag_t, void *);
     69 void	apecs_bus_mem_init(bus_space_tag_t, void *);
     70