1/*
2 *  linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions
3 *
4 *  Copyright (C) 1995--2003 Geert Uytterhoeven
5 *
6 *  This file is subject to the terms and conditions of the GNU General Public
7 *  License.  See the file COPYING in the main directory of this archive
8 *  for more details.
9 */
10
11#ifndef _UAPI_LINUX_ZORRO_H
12#define _UAPI_LINUX_ZORRO_H
13
14#include <linux/types.h>
15
16
17    /*
18     *  Each Zorro board has a 32-bit ID of the form
19     *
20     *      mmmmmmmmmmmmmmmmppppppppeeeeeeee
21     *
22     *  with
23     *
24     *      mmmmmmmmmmmmmmmm	16-bit Manufacturer ID (assigned by CBM (sigh))
25     *      pppppppp		8-bit Product ID (assigned by manufacturer)
26     *      eeeeeeee		8-bit Extended Product ID (currently only used
27     *				for some GVP boards)
28     */
29
30
31#define ZORRO_MANUF(id)		((id) >> 16)
32#define ZORRO_PROD(id)		(((id) >> 8) & 0xff)
33#define ZORRO_EPC(id)		((id) & 0xff)
34
35#define ZORRO_ID(manuf, prod, epc) \
36	((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc))
37
38typedef __u32 zorro_id;
39
40
41/* Include the ID list */
42#include <linux/zorro_ids.h>
43
44
45    /*
46     *  GVP identifies most of its products through the 'extended product code'
47     *  (epc). The epc has to be ANDed with the GVP_PRODMASK before the
48     *  identification.
49     */
50
51#define GVP_PRODMASK		(0xf8)
52#define GVP_SCSICLKMASK		(0x01)
53
54enum GVP_flags {
55	GVP_IO			= 0x01,
56	GVP_ACCEL		= 0x02,
57	GVP_SCSI		= 0x04,
58	GVP_24BITDMA		= 0x08,
59	GVP_25BITDMA		= 0x10,
60	GVP_NOBANK		= 0x20,
61	GVP_14MHZ		= 0x40,
62};
63
64
65struct Node {
66	__be32 ln_Succ;		/* Pointer to next (successor) */
67	__be32 ln_Pred;		/* Pointer to previous (predecessor) */
68	__u8   ln_Type;
69	__s8   ln_Pri;		/* Priority, for sorting */
70	__be32 ln_Name;		/* ID string, null terminated */
71} __packed;
72
73struct ExpansionRom {
74	/* -First 16 bytes of the expansion ROM */
75	__u8   er_Type;		/* Board type, size and flags */
76	__u8   er_Product;	/* Product number, assigned by manufacturer */
77	__u8   er_Flags;		/* Flags */
78	__u8   er_Reserved03;	/* Must be zero ($ff inverted) */
79	__be16 er_Manufacturer;	/* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */
80	__be32 er_SerialNumber;	/* Available for use by manufacturer */
81	__be16 er_InitDiagVec;	/* Offset to optional "DiagArea" structure */
82	__u8   er_Reserved0c;
83	__u8   er_Reserved0d;
84	__u8   er_Reserved0e;
85	__u8   er_Reserved0f;
86} __packed;
87
88/* er_Type board type bits */
89#define ERT_TYPEMASK	0xc0
90#define ERT_ZORROII	0xc0
91#define ERT_ZORROIII	0x80
92
93/* other bits defined in er_Type */
94#define ERTB_MEMLIST	5		/* Link RAM into free memory list */
95#define ERTF_MEMLIST	(1<<5)
96
97struct ConfigDev {
98	struct Node	cd_Node;
99	__u8		cd_Flags;	/* (read/write) */
100	__u8		cd_Pad;		/* reserved */
101	struct ExpansionRom cd_Rom;	/* copy of board's expansion ROM */
102	__be32		cd_BoardAddr;	/* where in memory the board was placed */
103	__be32		cd_BoardSize;	/* size of board in bytes */
104	__be16		cd_SlotAddr;	/* which slot number (PRIVATE) */
105	__be16		cd_SlotSize;	/* number of slots (PRIVATE) */
106	__be32		cd_Driver;	/* pointer to node of driver */
107	__be32		cd_NextCD;	/* linked list of drivers to config */
108	__be32		cd_Unused[4];	/* for whatever the driver wants */
109} __packed;
110
111#define ZORRO_NUM_AUTO		16
112
113#endif /* _UAPI_LINUX_ZORRO_H */
114