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lcavar.h revision 1.7 
      1 /* $NetBSD: lcavar.h,v 1.7 1997/06/06 23:54:32 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Jeffrey Hsu
      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 <dev/isa/isavar.h>
     31 #include <dev/pci/pcivar.h>
     32 #include <alpha/pci/pci_sgmap_pte64.h>
     33 
     34 /*
     35  * LCA chipset's configuration.
     36  *
     37  * All of the information that the chipset-specific functions need to
     38  * do their dirty work (and more!).
     39  */
     40 struct lca_config {
     41 	int	lc_initted;
     42 
     43 	bus_space_tag_t lc_iot, lc_memt;
     44 	struct alpha_pci_chipset lc_pc;
     45 
     46 	struct alpha_bus_dma_tag lc_dmat_direct;
     47 	struct alpha_bus_dma_tag lc_dmat_sgmap;
     48 
     49 	struct alpha_sgmap lc_sgmap;
     50 
     51 	bus_addr_t lc_s_mem_w2_masked_base;
     52 
     53 	struct extent *lc_io_ex, *lc_d_mem_ex, *lc_s_mem_ex;
     54 	int	lc_mallocsafe;
     55 };
     56 
     57 struct lca_softc {
     58 	struct	device sc_dev;
     59 
     60 	struct	lca_config *sc_lcp;
     61 };
     62 
     63 void	lca_init __P((struct lca_config *, int));
     64 void	lca_pci_init __P((pci_chipset_tag_t, void *));
     65 void	lca_dma_init __P((struct lca_config *));
     66 
     67 bus_space_tag_t lca_bus_io_init __P((void *));
     68 bus_space_tag_t lca_bus_mem_init __P((void *));
     69