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114 lines
3.2 KiB
114 lines
3.2 KiB
/* 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 _UAPI_LINUX_ZORRO_H |
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#define _UAPI_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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} __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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} __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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} __packed; |
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#define ZORRO_NUM_AUTO 16 |
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#endif /* _UAPI_LINUX_ZORRO_H */
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