sys/arch/alpha/pci/lcavar.h

   1 /* $NetBSD: lcavar.h,v 1.8 1997/09/02 12:40:22 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@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         struct alpha_bus_space 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(struct lca_config *, int);
  64 void    lca_pci_init(pci_chipset_tag_t, void *);
  65 void    lca_dma_init(struct lca_config *);
  66
  67 void    lca_bus_io_init(bus_space_tag_t, void *);
  68 void    lca_bus_mem_init(bus_space_tag_t, void *);