root/include/uapi/linux/zorro.h

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INCLUDED FROM


/*
 *  linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions
 *
 *  Copyright (C) 1995--2003 Geert Uytterhoeven
 *
 *  This file is subject to the terms and conditions of the GNU General Public
 *  License.  See the file COPYING in the main directory of this archive
 *  for more details.
 */

#ifndef _UAPI_LINUX_ZORRO_H
#define _UAPI_LINUX_ZORRO_H

#include <linux/types.h>


    /*
     *  Each Zorro board has a 32-bit ID of the form
     *
     *      mmmmmmmmmmmmmmmmppppppppeeeeeeee
     *
     *  with
     *
     *      mmmmmmmmmmmmmmmm    16-bit Manufacturer ID (assigned by CBM (sigh))
     *      pppppppp            8-bit Product ID (assigned by manufacturer)
     *      eeeeeeee            8-bit Extended Product ID (currently only used
     *                          for some GVP boards)
     */


#define ZORRO_MANUF(id)         ((id) >> 16)
#define ZORRO_PROD(id)          (((id) >> 8) & 0xff)
#define ZORRO_EPC(id)           ((id) & 0xff)

#define ZORRO_ID(manuf, prod, epc) \
        ((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc))

typedef __u32 zorro_id;


/* Include the ID list */
#include <linux/zorro_ids.h>


    /*
     *  GVP identifies most of its products through the 'extended product code'
     *  (epc). The epc has to be ANDed with the GVP_PRODMASK before the
     *  identification.
     */

#define GVP_PRODMASK            (0xf8)
#define GVP_SCSICLKMASK         (0x01)

enum GVP_flags {
        GVP_IO                  = 0x01,
        GVP_ACCEL               = 0x02,
        GVP_SCSI                = 0x04,
        GVP_24BITDMA            = 0x08,
        GVP_25BITDMA            = 0x10,
        GVP_NOBANK              = 0x20,
        GVP_14MHZ               = 0x40,
};


struct Node {
        __be32 ln_Succ;         /* Pointer to next (successor) */
        __be32 ln_Pred;         /* Pointer to previous (predecessor) */
        __u8   ln_Type;
        __s8   ln_Pri;          /* Priority, for sorting */
        __be32 ln_Name;         /* ID string, null terminated */
} __packed;

struct ExpansionRom {
        /* -First 16 bytes of the expansion ROM */
        __u8   er_Type;         /* Board type, size and flags */
        __u8   er_Product;      /* Product number, assigned by manufacturer */
        __u8   er_Flags;                /* Flags */
        __u8   er_Reserved03;   /* Must be zero ($ff inverted) */
        __be16 er_Manufacturer; /* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */
        __be32 er_SerialNumber; /* Available for use by manufacturer */
        __be16 er_InitDiagVec;  /* Offset to optional "DiagArea" structure */
        __u8   er_Reserved0c;
        __u8   er_Reserved0d;
        __u8   er_Reserved0e;
        __u8   er_Reserved0f;
} __packed;

/* er_Type board type bits */
#define ERT_TYPEMASK    0xc0
#define ERT_ZORROII     0xc0
#define ERT_ZORROIII    0x80

/* other bits defined in er_Type */
#define ERTB_MEMLIST    5               /* Link RAM into free memory list */
#define ERTF_MEMLIST    (1<<5)

struct ConfigDev {
        struct Node     cd_Node;
        __u8            cd_Flags;       /* (read/write) */
        __u8            cd_Pad;         /* reserved */
        struct ExpansionRom cd_Rom;     /* copy of board's expansion ROM */
        __be32          cd_BoardAddr;   /* where in memory the board was placed */
        __be32          cd_BoardSize;   /* size of board in bytes */
        __be16          cd_SlotAddr;    /* which slot number (PRIVATE) */
        __be16          cd_SlotSize;    /* number of slots (PRIVATE) */
        __be32          cd_Driver;      /* pointer to node of driver */
        __be32          cd_NextCD;      /* linked list of drivers to config */
        __be32          cd_Unused[4];   /* for whatever the driver wants */
} __packed;

#define ZORRO_NUM_AUTO          16

#endif /* _UAPI_LINUX_ZORRO_H */

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