| /* |
| * 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 */ |
