sys/arch/sparc64/dev/psychovar.h

   1 /*      $NetBSD: psychovar.h,v 1.16 2008/12/07 21:03:57 mrg Exp $       */
   2
   3 /*
   4  * Copyright (c) 1999, 2000 Matthew R. Green
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #ifndef _SPARC64_DEV_PSYCHOVAR_H_
  30 #define _SPARC64_DEV_PSYCHOVAR_H_
  31
  32 #include <dev/sysmon/sysmonvar.h>
  33
  34 /* per real PCI bus info */
  35 struct psycho_softc;
  36
  37 struct psycho_pbm {
  38         /* link to mum */
  39         struct psycho_softc             *pp_sc;
  40
  41         /*
  42          * note that the sabre really only has one ranges property,
  43          * used for both simba a and simba b (but the ranges for
  44          * real psychos are the same for PCI A and PCI B anyway).
  45          */
  46         struct psycho_registers         *pp_regs;
  47         struct psycho_ranges            *pp_range;
  48
  49         /* counts of above */
  50         int                             pp_nregs;
  51         int                             pp_nrange;
  52         int                             pp_nintmap;
  53
  54         /* extents for free bus space */
  55         struct extent                   *pp_exmem;
  56         struct extent                   *pp_exio;
  57
  58         /* PCI Bus Module A or PCI Bus Module B */
  59         int                             pp_id;
  60 #define PSYCHO_PBM_UNKNOWN      0
  61 #define PSYCHO_PBM_A            1
  62 #define PSYCHO_PBM_B            2
  63
  64         /* chipset tag for this instance */
  65         pci_chipset_tag_t               pp_pc;
  66
  67         /* our tags */
  68         bus_space_tag_t                 pp_memt;
  69         bus_space_tag_t                 pp_iot;
  70         bus_dma_tag_t                   pp_dmat;
  71         int                             pp_bus;
  72         int                             pp_flags;
  73
  74         /* and pointers into the psycho regs for our bits */
  75         bus_space_handle_t              pp_pcictl;
  76         struct strbuf_ctl               pp_sb;
  77         /* area we can use for flushing our streaming buffer */
  78         char                            pp_flush[0x80];
  79 };
  80
  81 /*
  82  * per-PCI bus on mainbus softc structure; one for sabre, or two
  83  * per pair of psycho's.
  84  */
  85 struct psycho_softc {
  86         struct  device                  sc_dev;
  87
  88         /*
  89          * one sabre has two simba's.  psycho's are separately attached,
  90          * with the `other' psycho_pbm allocated at the first's attach.
  91          */
  92         struct psycho_pbm               *__sc_psycho_this;
  93         struct psycho_pbm               *__sc_psycho_other;
  94 #define sc_psycho_this  __sc_psycho_this
  95 #define sc_psycho_other __sc_psycho_other
  96
  97         /*
  98          * PSYCHO register.  we record the base physical address of these
  99          * also as it is the base of the entire PSYCHO
 100          */
 101         struct psychoreg                *sc_regs;
 102         paddr_t                         sc_basepaddr;
 103
 104         /* Interrupt Group Number for this device */
 105         int                             sc_ign;
 106
 107         /* our tags (from parent) */
 108         bus_space_tag_t                 sc_bustag;
 109         bus_dma_tag_t                   sc_dmatag;
 110
 111         bus_space_handle_t              sc_bh;
 112
 113         /* config space */
 114         bus_space_tag_t                 sc_configtag;
 115         bus_space_handle_t              sc_configaddr;
 116
 117         int                             sc_clockfreq;
 118         int                             sc_node;        /* prom node */
 119         int                             sc_mode;        /* (whatareya?) */
 120 #define PSYCHO_MODE_SABRE       1       /* i'm a sabre (yob) */
 121 #define PSYCHO_MODE_PSYCHO      2       /* i'm a psycho (w*nker) */
 122
 123         struct iommu_state              *sc_is;
 124
 125         struct sysmon_pswitch           *sc_smcontext;  /* power switch definition */
 126         int                             sc_powerpressed;/* already signaled */
 127 };
 128
 129 /* get a PCI offset address from bus_space_handle_t */
 130 bus_addr_t psycho_bus_offset(bus_space_tag_t, bus_space_handle_t *);
 131
 132 /* config space is per-psycho.  mem/io/DMA are per-pci bus */
 133 bus_dma_tag_t psycho_alloc_dma_tag(struct psycho_pbm *);
 134 bus_space_tag_t psycho_alloc_bus_tag(struct psycho_pbm *, int);
 135
 136 #define psycho_alloc_config_tag(pp) psycho_alloc_bus_tag((pp), PCI_CONFIG_BUS_SPACE)
 137 #define psycho_alloc_mem_tag(pp) psycho_alloc_bus_tag((pp), PCI_MEMORY_BUS_SPACE)
 138 #define psycho_alloc_io_tag(pp) psycho_alloc_bus_tag((pp), PCI_IO_BUS_SPACE)
 139
 140 #endif /* _SPARC64_DEV_PSYCHOVAR_H_ */