1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | /* |
3 | * linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions |
4 | * |
5 | * Copyright (C) 1995--2003 Geert Uytterhoeven |
6 | * |
7 | * This file is subject to the terms and conditions of the GNU General Public |
8 | * License. See the file COPYING in the main directory of this archive |
9 | * for more details. |
10 | */ |
11 | |
12 | #ifndef _UAPI_LINUX_ZORRO_H |
13 | #define _UAPI_LINUX_ZORRO_H |
14 | |
15 | #include <linux/types.h> |
16 | |
17 | |
18 | /* |
19 | * Each Zorro board has a 32-bit ID of the form |
20 | * |
21 | * mmmmmmmmmmmmmmmmppppppppeeeeeeee |
22 | * |
23 | * with |
24 | * |
25 | * mmmmmmmmmmmmmmmm 16-bit Manufacturer ID (assigned by CBM (sigh)) |
26 | * pppppppp 8-bit Product ID (assigned by manufacturer) |
27 | * eeeeeeee 8-bit Extended Product ID (currently only used |
28 | * for some GVP boards) |
29 | */ |
30 | |
31 | |
32 | #define ZORRO_MANUF(id) ((id) >> 16) |
33 | #define ZORRO_PROD(id) (((id) >> 8) & 0xff) |
34 | #define ZORRO_EPC(id) ((id) & 0xff) |
35 | |
36 | #define ZORRO_ID(manuf, prod, epc) \ |
37 | ((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc)) |
38 | |
39 | typedef __u32 zorro_id; |
40 | |
41 | |
42 | /* Include the ID list */ |
43 | #include <linux/zorro_ids.h> |
44 | |
45 | |
46 | /* |
47 | * GVP identifies most of its products through the 'extended product code' |
48 | * (epc). The epc has to be ANDed with the GVP_PRODMASK before the |
49 | * identification. |
50 | */ |
51 | |
52 | #define GVP_PRODMASK (0xf8) |
53 | #define GVP_SCSICLKMASK (0x01) |
54 | |
55 | enum GVP_flags { |
56 | GVP_IO = 0x01, |
57 | GVP_ACCEL = 0x02, |
58 | GVP_SCSI = 0x04, |
59 | GVP_24BITDMA = 0x08, |
60 | GVP_25BITDMA = 0x10, |
61 | GVP_NOBANK = 0x20, |
62 | GVP_14MHZ = 0x40, |
63 | }; |
64 | |
65 | |
66 | struct Node { |
67 | __be32 ln_Succ; /* Pointer to next (successor) */ |
68 | __be32 ln_Pred; /* Pointer to previous (predecessor) */ |
69 | __u8 ln_Type; |
70 | __s8 ln_Pri; /* Priority, for sorting */ |
71 | __be32 ln_Name; /* ID string, null terminated */ |
72 | } __packed; |
73 | |
74 | struct ExpansionRom { |
75 | /* -First 16 bytes of the expansion ROM */ |
76 | __u8 er_Type; /* Board type, size and flags */ |
77 | __u8 er_Product; /* Product number, assigned by manufacturer */ |
78 | __u8 er_Flags; /* Flags */ |
79 | __u8 er_Reserved03; /* Must be zero ($ff inverted) */ |
80 | __be16 er_Manufacturer; /* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */ |
81 | __be32 er_SerialNumber; /* Available for use by manufacturer */ |
82 | __be16 er_InitDiagVec; /* Offset to optional "DiagArea" structure */ |
83 | __u8 er_Reserved0c; |
84 | __u8 er_Reserved0d; |
85 | __u8 er_Reserved0e; |
86 | __u8 er_Reserved0f; |
87 | } __packed; |
88 | |
89 | /* er_Type board type bits */ |
90 | #define ERT_TYPEMASK 0xc0 |
91 | #define ERT_ZORROII 0xc0 |
92 | #define ERT_ZORROIII 0x80 |
93 | |
94 | /* other bits defined in er_Type */ |
95 | #define ERTB_MEMLIST 5 /* Link RAM into free memory list */ |
96 | #define ERTF_MEMLIST (1<<5) |
97 | |
98 | struct ConfigDev { |
99 | struct Node cd_Node; |
100 | __u8 cd_Flags; /* (read/write) */ |
101 | __u8 cd_Pad; /* reserved */ |
102 | struct ExpansionRom cd_Rom; /* copy of board's expansion ROM */ |
103 | __be32 cd_BoardAddr; /* where in memory the board was placed */ |
104 | __be32 cd_BoardSize; /* size of board in bytes */ |
105 | __be16 cd_SlotAddr; /* which slot number (PRIVATE) */ |
106 | __be16 cd_SlotSize; /* number of slots (PRIVATE) */ |
107 | __be32 cd_Driver; /* pointer to node of driver */ |
108 | __be32 cd_NextCD; /* linked list of drivers to config */ |
109 | __be32 cd_Unused[4]; /* for whatever the driver wants */ |
110 | } __packed; |
111 | |
112 | #define ZORRO_NUM_AUTO 16 |
113 | |
114 | #endif /* _UAPI_LINUX_ZORRO_H */ |
115 | |