Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. |
| 7 | */ |
| 8 | #ifndef _ASM_IA64_SN_MODULE_H |
| 9 | #define _ASM_IA64_SN_MODULE_H |
| 10 | |
| 11 | /* parameter for format_module_id() */ |
| 12 | #define MODULE_FORMAT_BRIEF 1 |
| 13 | #define MODULE_FORMAT_LONG 2 |
| 14 | #define MODULE_FORMAT_LCD 3 |
| 15 | |
| 16 | /* |
| 17 | * Module id format |
| 18 | * |
| 19 | * 31-16 Rack ID (encoded class, group, number - 16-bit unsigned int) |
| 20 | * 15-8 Brick type (8-bit ascii character) |
| 21 | * 7-0 Bay (brick position in rack (0-63) - 8-bit unsigned int) |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | /* |
| 26 | * Macros for getting the brick type |
| 27 | */ |
| 28 | #define MODULE_BTYPE_MASK 0xff00 |
| 29 | #define MODULE_BTYPE_SHFT 8 |
| 30 | #define MODULE_GET_BTYPE(_m) (((_m) & MODULE_BTYPE_MASK) >> MODULE_BTYPE_SHFT) |
| 31 | #define MODULE_BT_TO_CHAR(_b) ((char)(_b)) |
| 32 | #define MODULE_GET_BTCHAR(_m) (MODULE_BT_TO_CHAR(MODULE_GET_BTYPE(_m))) |
| 33 | |
| 34 | /* |
| 35 | * Macros for getting the rack ID. |
| 36 | */ |
| 37 | #define MODULE_RACK_MASK 0xffff0000 |
| 38 | #define MODULE_RACK_SHFT 16 |
| 39 | #define MODULE_GET_RACK(_m) (((_m) & MODULE_RACK_MASK) >> MODULE_RACK_SHFT) |
| 40 | |
| 41 | /* |
| 42 | * Macros for getting the brick position |
| 43 | */ |
| 44 | #define MODULE_BPOS_MASK 0x00ff |
| 45 | #define MODULE_BPOS_SHFT 0 |
| 46 | #define MODULE_GET_BPOS(_m) (((_m) & MODULE_BPOS_MASK) >> MODULE_BPOS_SHFT) |
| 47 | |
| 48 | /* |
| 49 | * Macros for encoding and decoding rack IDs |
| 50 | * A rack number consists of three parts: |
| 51 | * class (0==CPU/mixed, 1==I/O), group, number |
| 52 | * |
| 53 | * Rack number is stored just as it is displayed on the screen: |
| 54 | * a 3-decimal-digit number. |
| 55 | */ |
| 56 | #define RACK_CLASS_DVDR 100 |
| 57 | #define RACK_GROUP_DVDR 10 |
| 58 | #define RACK_NUM_DVDR 1 |
| 59 | |
| 60 | #define RACK_CREATE_RACKID(_c, _g, _n) ((_c) * RACK_CLASS_DVDR + \ |
| 61 | (_g) * RACK_GROUP_DVDR + (_n) * RACK_NUM_DVDR) |
| 62 | |
| 63 | #define RACK_GET_CLASS(_r) ((_r) / RACK_CLASS_DVDR) |
| 64 | #define RACK_GET_GROUP(_r) (((_r) - RACK_GET_CLASS(_r) * \ |
| 65 | RACK_CLASS_DVDR) / RACK_GROUP_DVDR) |
| 66 | #define RACK_GET_NUM(_r) (((_r) - RACK_GET_CLASS(_r) * \ |
| 67 | RACK_CLASS_DVDR - RACK_GET_GROUP(_r) * \ |
| 68 | RACK_GROUP_DVDR) / RACK_NUM_DVDR) |
| 69 | |
| 70 | /* |
| 71 | * Macros for encoding and decoding rack IDs |
| 72 | * A rack number consists of three parts: |
| 73 | * class 1 bit, 0==CPU/mixed, 1==I/O |
| 74 | * group 2 bits for CPU/mixed, 3 bits for I/O |
| 75 | * number 3 bits for CPU/mixed, 2 bits for I/O (1 based) |
| 76 | */ |
| 77 | #define RACK_GROUP_BITS(_r) (RACK_GET_CLASS(_r) ? 3 : 2) |
| 78 | #define RACK_NUM_BITS(_r) (RACK_GET_CLASS(_r) ? 2 : 3) |
| 79 | |
| 80 | #define RACK_CLASS_MASK(_r) 0x20 |
| 81 | #define RACK_CLASS_SHFT(_r) 5 |
| 82 | #define RACK_ADD_CLASS(_r, _c) \ |
| 83 | ((_r) |= (_c) << RACK_CLASS_SHFT(_r) & RACK_CLASS_MASK(_r)) |
| 84 | |
| 85 | #define RACK_GROUP_SHFT(_r) RACK_NUM_BITS(_r) |
| 86 | #define RACK_GROUP_MASK(_r) \ |
| 87 | ( (((unsigned)1<<RACK_GROUP_BITS(_r)) - 1) << RACK_GROUP_SHFT(_r) ) |
| 88 | #define RACK_ADD_GROUP(_r, _g) \ |
| 89 | ((_r) |= (_g) << RACK_GROUP_SHFT(_r) & RACK_GROUP_MASK(_r)) |
| 90 | |
| 91 | #define RACK_NUM_SHFT(_r) 0 |
| 92 | #define RACK_NUM_MASK(_r) \ |
| 93 | ( (((unsigned)1<<RACK_NUM_BITS(_r)) - 1) << RACK_NUM_SHFT(_r) ) |
| 94 | #define RACK_ADD_NUM(_r, _n) \ |
| 95 | ((_r) |= ((_n) - 1) << RACK_NUM_SHFT(_r) & RACK_NUM_MASK(_r)) |
| 96 | |
| 97 | |
| 98 | /* |
| 99 | * Brick type definitions |
| 100 | */ |
| 101 | #define MAX_BRICK_TYPES 256 /* brick type is stored as uchar */ |
| 102 | |
| 103 | extern char brick_types[]; |
| 104 | |
| 105 | #define MODULE_CBRICK 0 |
| 106 | #define MODULE_RBRICK 1 |
| 107 | #define MODULE_IBRICK 2 |
| 108 | #define MODULE_KBRICK 3 |
| 109 | #define MODULE_XBRICK 4 |
| 110 | #define MODULE_DBRICK 5 |
| 111 | #define MODULE_PBRICK 6 |
| 112 | #define MODULE_NBRICK 7 |
| 113 | #define MODULE_PEBRICK 8 |
| 114 | #define MODULE_PXBRICK 9 |
| 115 | #define MODULE_IXBRICK 10 |
| 116 | #define MODULE_CGBRICK 11 |
| 117 | #define MODULE_OPUSBRICK 12 |
| 118 | #define MODULE_SABRICK 13 /* TIO BringUp Brick */ |
| 119 | #define MODULE_IABRICK 14 |
| 120 | #define MODULE_PABRICK 15 |
| 121 | #define MODULE_GABRICK 16 |
| 122 | #define MODULE_OPUS_TIO 17 /* OPUS TIO Riser */ |
| 123 | |
| 124 | extern char brick_types[]; |
| 125 | extern void format_module_id(char *, moduleid_t, int); |
| 126 | |
| 127 | #endif /* _ASM_IA64_SN_MODULE_H */ |