/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * 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 _LINUX_ZORRO_H #define _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 */ } __attribute__((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; } __attribute__((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 */ } __attribute__((packed)); #define ZORRO_NUM_AUTO 16 #endif /* _LINUX_ZORRO_H */