LXR linux/include/uapi/linux/zorro.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 *  linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions
   4 *
   5 *  Copyright (C) 1995--2003 Geert Uytterhoeven
   6 *
   7 *  This file is subject to the terms and conditions of the GNU General Public
   8 *  License.  See the file COPYING in the main directory of this archive
   9 *  for more details.
  10 */
  11
  12#ifndef _UAPI_LINUX_ZORRO_H
  13#define _UAPI_LINUX_ZORRO_H
  14
  15#include <linux/types.h>
  16
  17
  18    /*
  19     *  Each Zorro board has a 32-bit ID of the form
  20     *
  21     *      mmmmmmmmmmmmmmmmppppppppeeeeeeee
  22     *
  23     *  with
  24     *
  25     *      mmmmmmmmmmmmmmmm    16-bit Manufacturer ID (assigned by CBM (sigh))
  26     *      pppppppp            8-bit Product ID (assigned by manufacturer)
  27     *      eeeeeeee            8-bit Extended Product ID (currently only used
  28     *                          for some GVP boards)
  29     */
  30
  31
  32#define ZORRO_MANUF(id)         ((id) >> 16)
  33#define ZORRO_PROD(id)          (((id) >> 8) & 0xff)
  34#define ZORRO_EPC(id)           ((id) & 0xff)
  35
  36#define ZORRO_ID(manuf, prod, epc) \
  37        ((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc))
  38
  39typedef __u32 zorro_id;
  40
  41
  42/* Include the ID list */
  43#include <linux/zorro_ids.h>
  44
  45
  46    /*
  47     *  GVP identifies most of its products through the 'extended product code'
  48     *  (epc). The epc has to be ANDed with the GVP_PRODMASK before the
  49     *  identification.
  50     */
  51
  52#define GVP_PRODMASK            (0xf8)
  53#define GVP_SCSICLKMASK         (0x01)
  54
  55enum GVP_flags {
  56        GVP_IO                  = 0x01,
  57        GVP_ACCEL               = 0x02,
  58        GVP_SCSI                = 0x04,
  59        GVP_24BITDMA            = 0x08,
  60        GVP_25BITDMA            = 0x10,
  61        GVP_NOBANK              = 0x20,
  62        GVP_14MHZ               = 0x40,
  63};
  64
  65
  66struct Node {
  67        __be32 ln_Succ;         /* Pointer to next (successor) */
  68        __be32 ln_Pred;         /* Pointer to previous (predecessor) */
  69        __u8   ln_Type;
  70        __s8   ln_Pri;          /* Priority, for sorting */
  71        __be32 ln_Name;         /* ID string, null terminated */
  72} __packed;
  73
  74struct ExpansionRom {
  75        /* -First 16 bytes of the expansion ROM */
  76        __u8   er_Type;         /* Board type, size and flags */
  77        __u8   er_Product;      /* Product number, assigned by manufacturer */
  78        __u8   er_Flags;                /* Flags */
  79        __u8   er_Reserved03;   /* Must be zero ($ff inverted) */
  80        __be16 er_Manufacturer; /* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */
  81        __be32 er_SerialNumber; /* Available for use by manufacturer */
  82        __be16 er_InitDiagVec;  /* Offset to optional "DiagArea" structure */
  83        __u8   er_Reserved0c;
  84        __u8   er_Reserved0d;
  85        __u8   er_Reserved0e;
  86        __u8   er_Reserved0f;
  87} __packed;
  88
  89/* er_Type board type bits */
  90#define ERT_TYPEMASK    0xc0
  91#define ERT_ZORROII     0xc0
  92#define ERT_ZORROIII    0x80
  93
  94/* other bits defined in er_Type */
  95#define ERTB_MEMLIST    5               /* Link RAM into free memory list */
  96#define ERTF_MEMLIST    (1<<5)
  97
  98struct ConfigDev {
  99        struct Node     cd_Node;
 100        __u8            cd_Flags;       /* (read/write) */
 101        __u8            cd_Pad;         /* reserved */
 102        struct ExpansionRom cd_Rom;     /* copy of board's expansion ROM */
 103        __be32          cd_BoardAddr;   /* where in memory the board was placed */
 104        __be32          cd_BoardSize;   /* size of board in bytes */
 105        __be16          cd_SlotAddr;    /* which slot number (PRIVATE) */
 106        __be16          cd_SlotSize;    /* number of slots (PRIVATE) */
 107        __be32          cd_Driver;      /* pointer to node of driver */
 108        __be32          cd_NextCD;      /* linked list of drivers to config */
 109        __be32          cd_Unused[4];   /* for whatever the driver wants */
 110} __packed;
 111
 112#define ZORRO_NUM_AUTO          16
 113
 114#endif /* _UAPI_LINUX_ZORRO_H */
 115