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986ea58d GU |
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 | ||
38 | typedef __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 | ||
54 | enum 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 | ||
65 | struct Node { | |
bd9ba8f4 GU |
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 */ | |
986ea58d GU |
71 | } __packed; |
72 | ||
73 | struct ExpansionRom { | |
74 | /* -First 16 bytes of the expansion ROM */ | |
bd9ba8f4 GU |
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; | |
986ea58d GU |
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 | ||
97 | struct 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 */ | |
bd9ba8f4 GU |
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 */ | |
986ea58d GU |
109 | } __packed; |
110 | ||
111 | #define ZORRO_NUM_AUTO 16 | |
112 | ||
113 | #endif /* _UAPI_LINUX_ZORRO_H */ |