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115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
4 years ago
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions
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*
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* Copyright (C) 1995--2003 Geert Uytterhoeven
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*/
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#ifndef _LINUX_ZORRO_H
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#define _LINUX_ZORRO_H
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#include <linux/types.h>
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/*
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* Each Zorro board has a 32-bit ID of the form
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*
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* mmmmmmmmmmmmmmmmppppppppeeeeeeee
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*
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* with
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*
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* mmmmmmmmmmmmmmmm 16-bit Manufacturer ID (assigned by CBM (sigh))
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* pppppppp 8-bit Product ID (assigned by manufacturer)
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* eeeeeeee 8-bit Extended Product ID (currently only used
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* for some GVP boards)
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*/
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#define ZORRO_MANUF(id) ((id) >> 16)
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#define ZORRO_PROD(id) (((id) >> 8) & 0xff)
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#define ZORRO_EPC(id) ((id) & 0xff)
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#define ZORRO_ID(manuf, prod, epc) \
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((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc))
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typedef __u32 zorro_id;
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/* Include the ID list */
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#include <linux/zorro_ids.h>
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/*
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* GVP identifies most of its products through the 'extended product code'
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* (epc). The epc has to be ANDed with the GVP_PRODMASK before the
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* identification.
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*/
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#define GVP_PRODMASK (0xf8)
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#define GVP_SCSICLKMASK (0x01)
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enum GVP_flags {
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GVP_IO = 0x01,
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GVP_ACCEL = 0x02,
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GVP_SCSI = 0x04,
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GVP_24BITDMA = 0x08,
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GVP_25BITDMA = 0x10,
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GVP_NOBANK = 0x20,
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GVP_14MHZ = 0x40,
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};
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struct Node {
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__be32 ln_Succ; /* Pointer to next (successor) */
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__be32 ln_Pred; /* Pointer to previous (predecessor) */
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__u8 ln_Type;
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__s8 ln_Pri; /* Priority, for sorting */
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__be32 ln_Name; /* ID string, null terminated */
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} __attribute__((packed));
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struct ExpansionRom {
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/* -First 16 bytes of the expansion ROM */
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__u8 er_Type; /* Board type, size and flags */
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__u8 er_Product; /* Product number, assigned by manufacturer */
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__u8 er_Flags; /* Flags */
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__u8 er_Reserved03; /* Must be zero ($ff inverted) */
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__be16 er_Manufacturer; /* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */
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__be32 er_SerialNumber; /* Available for use by manufacturer */
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__be16 er_InitDiagVec; /* Offset to optional "DiagArea" structure */
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__u8 er_Reserved0c;
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__u8 er_Reserved0d;
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__u8 er_Reserved0e;
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__u8 er_Reserved0f;
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} __attribute__((packed));
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/* er_Type board type bits */
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#define ERT_TYPEMASK 0xc0
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#define ERT_ZORROII 0xc0
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#define ERT_ZORROIII 0x80
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/* other bits defined in er_Type */
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#define ERTB_MEMLIST 5 /* Link RAM into free memory list */
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#define ERTF_MEMLIST (1<<5)
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struct ConfigDev {
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struct Node cd_Node;
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__u8 cd_Flags; /* (read/write) */
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__u8 cd_Pad; /* reserved */
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struct ExpansionRom cd_Rom; /* copy of board's expansion ROM */
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__be32 cd_BoardAddr; /* where in memory the board was placed */
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__be32 cd_BoardSize; /* size of board in bytes */
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__be16 cd_SlotAddr; /* which slot number (PRIVATE) */
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__be16 cd_SlotSize; /* number of slots (PRIVATE) */
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__be32 cd_Driver; /* pointer to node of driver */
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__be32 cd_NextCD; /* linked list of drivers to config */
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__be32 cd_Unused[4]; /* for whatever the driver wants */
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} __attribute__((packed));
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#define ZORRO_NUM_AUTO 16
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#endif /* _LINUX_ZORRO_H */
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