Geert Uytterhoeven | 986ea58 | 2013-10-03 10:45:36 +0200 | [diff] [blame] | 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 { |
Geert Uytterhoeven | bd9ba8f | 2013-10-04 09:38:53 +0200 | [diff] [blame] | 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 */ |
Geert Uytterhoeven | 986ea58 | 2013-10-03 10:45:36 +0200 | [diff] [blame] | 71 | } __packed; |
| 72 | |
| 73 | struct ExpansionRom { |
| 74 | /* -First 16 bytes of the expansion ROM */ |
Geert Uytterhoeven | bd9ba8f | 2013-10-04 09:38:53 +0200 | [diff] [blame] | 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; |
Geert Uytterhoeven | 986ea58 | 2013-10-03 10:45:36 +0200 | [diff] [blame] | 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 */ |
Geert Uytterhoeven | bd9ba8f | 2013-10-04 09:38:53 +0200 | [diff] [blame] | 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 */ |
Geert Uytterhoeven | 986ea58 | 2013-10-03 10:45:36 +0200 | [diff] [blame] | 109 | } __packed; |
| 110 | |
| 111 | #define ZORRO_NUM_AUTO 16 |
| 112 | |
| 113 | #endif /* _UAPI_LINUX_ZORRO_H */ |