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
103extern 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
124extern char brick_types[];
125extern void format_module_id(char *, moduleid_t, int);
126
127#endif /* _ASM_IA64_SN_MODULE_H */
128