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/* 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 */
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