sys/arch/alpha/pci/ciavar.h

   1 /* $NetBSD: ciavar.h,v 1.17 2000/03/19 01:43:25 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  * A 21171 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 cia_config {
  41         int     cc_initted;
  42
  43         struct alpha_bus_space cc_iot, cc_memt;
  44         struct alpha_pci_chipset cc_pc;
  45
  46         struct alpha_bus_dma_tag cc_dmat_direct;
  47         struct alpha_bus_dma_tag cc_dmat_sgmap;
  48
  49         struct alpha_sgmap cc_sgmap;
  50
  51         u_int32_t cc_hae_mem;
  52         u_int32_t cc_hae_io;
  53
  54         u_int32_t cc_rev;
  55         u_int32_t cc_cnfg;
  56
  57         int     cc_flags;
  58
  59 #define CCF_ISPYXIS     0x01            /* chip is a 21174 Pyxis */
  60 #define CCF_PYXISBUG    0x02
  61 #define CCF_PCI_USE_BWX 0x04            /* use BWX for PCI config space */
  62 #define CCF_BUS_USE_BWX 0x08            /* use BWX for bus space */
  63
  64         struct extent *cc_io_ex, *cc_d_mem_ex, *cc_s_mem_ex;
  65         int     cc_mallocsafe;
  66 };
  67
  68 struct cia_softc {
  69         struct  device sc_dev;
  70
  71         struct  cia_config *sc_ccp;
  72 };
  73
  74 void    cia_init(struct cia_config *, int);
  75 void    cia_pci_init(pci_chipset_tag_t, void *);
  76 void    cia_dma_init(struct cia_config *);
  77
  78 void    cia_bwx_bus_io_init(bus_space_tag_t, void *);
  79 void    cia_bwx_bus_mem_init(bus_space_tag_t, void *);
  80
  81 void    cia_swiz_bus_io_init(bus_space_tag_t, void *);
  82 void    cia_swiz_bus_mem_init(bus_space_tag_t, void *);
  83
  84 void    cia_pyxis_intr_enable(int, int);