sys/arch/alpha/pci/apecsvar.h

   1 /* $NetBSD: apecsvar.h,v 1.8 1997/09/02 12:40:18 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@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  * An APECS 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 apecs_config {
  41         int     ac_initted;
  42
  43         int     ac_comanche_pass2;
  44         int     ac_epic_pass2;
  45         int     ac_memwidth;
  46
  47         struct alpha_bus_space ac_iot, ac_memt;
  48         struct alpha_pci_chipset ac_pc;
  49
  50         struct alpha_bus_dma_tag ac_dmat_direct;
  51         struct alpha_bus_dma_tag ac_dmat_sgmap;
  52
  53         struct alpha_sgmap ac_sgmap;
  54
  55         u_int32_t ac_haxr1, ac_haxr2;
  56
  57         struct extent *ac_io_ex, *ac_d_mem_ex, *ac_s_mem_ex;
  58         int     ac_mallocsafe;
  59 };
  60
  61 struct apecs_softc {
  62         struct  device sc_dev;
  63
  64         struct  apecs_config *sc_acp;
  65 };
  66
  67 void    apecs_init(struct apecs_config *, int);
  68 void    apecs_pci_init(pci_chipset_tag_t, void *);
  69 void    apecs_dma_init(struct apecs_config *);
  70
  71 void    apecs_bus_io_init(bus_space_tag_t, void *);
  72 void    apecs_bus_mem_init(bus_space_tag_t, void *);