]>
Commit | Line | Data |
---|---|---|
e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
986ea58d GU |
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 { | |
bd9ba8f4 GU |
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 */ | |
986ea58d GU |
72 | } __packed; |
73 | ||
74 | struct ExpansionRom { | |
75 | /* -First 16 bytes of the expansion ROM */ | |
bd9ba8f4 GU |
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; | |
986ea58d GU |
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 */ | |
bd9ba8f4 GU |
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 */ | |
986ea58d GU |
110 | } __packed; |
111 | ||
112 | #define ZORRO_NUM_AUTO 16 | |
113 | ||
114 | #endif /* _UAPI_LINUX_ZORRO_H */ |