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1da177e4 LT |
1 | /* ********************************************************************* |
2 | * SB1250 Board Support Package | |
42a3b4f2 | 3 | * |
1da177e4 | 4 | * SMBUS Constants File: sb1250_smbus.h |
42a3b4f2 RB |
5 | * |
6 | * This module contains constants and macros useful for | |
1da177e4 | 7 | * manipulating the SB1250's SMbus devices. |
42a3b4f2 | 8 | * |
1da177e4 | 9 | * SB1250 specification level: 01/02/2002 |
42a3b4f2 | 10 | * |
1da177e4 | 11 | * Author: Mitch Lichtenberg |
42a3b4f2 RB |
12 | * |
13 | ********************************************************************* | |
1da177e4 LT |
14 | * |
15 | * Copyright 2000,2001,2002,2003 | |
16 | * Broadcom Corporation. All rights reserved. | |
42a3b4f2 RB |
17 | * |
18 | * This program is free software; you can redistribute it and/or | |
19 | * modify it under the terms of the GNU General Public License as | |
20 | * published by the Free Software Foundation; either version 2 of | |
1da177e4 LT |
21 | * the License, or (at your option) any later version. |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
42a3b4f2 | 30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
1da177e4 LT |
31 | * MA 02111-1307 USA |
32 | ********************************************************************* */ | |
33 | ||
34 | ||
35 | #ifndef _SB1250_SMBUS_H | |
36 | #define _SB1250_SMBUS_H | |
37 | ||
38 | #include "sb1250_defs.h" | |
39 | ||
40 | /* | |
41 | * SMBus Clock Frequency Register (Table 14-2) | |
42 | */ | |
43 | ||
44 | #define S_SMB_FREQ_DIV 0 | |
45 | #define M_SMB_FREQ_DIV _SB_MAKEMASK(13,S_SMB_FREQ_DIV) | |
46 | #define V_SMB_FREQ_DIV(x) _SB_MAKEVALUE(x,S_SMB_FREQ_DIV) | |
47 | ||
48 | #define K_SMB_FREQ_400KHZ 0x1F | |
49 | #define K_SMB_FREQ_100KHZ 0x7D | |
50 | ||
51 | #define S_SMB_CMD 0 | |
52 | #define M_SMB_CMD _SB_MAKEMASK(8,S_SMB_CMD) | |
53 | #define V_SMB_CMD(x) _SB_MAKEVALUE(x,S_SMB_CMD) | |
54 | ||
55 | /* | |
56 | * SMBus control register (Table 14-4) | |
57 | */ | |
58 | ||
59 | #define M_SMB_ERR_INTR _SB_MAKEMASK1(0) | |
60 | #define M_SMB_FINISH_INTR _SB_MAKEMASK1(1) | |
61 | #define M_SMB_DATA_OUT _SB_MAKEMASK1(4) | |
62 | #define M_SMB_DATA_DIR _SB_MAKEMASK1(5) | |
63 | #define M_SMB_DATA_DIR_OUTPUT M_SMB_DATA_DIR | |
64 | #define M_SMB_CLK_OUT _SB_MAKEMASK1(6) | |
65 | #define M_SMB_DIRECT_ENABLE _SB_MAKEMASK1(7) | |
66 | ||
67 | /* | |
68 | * SMBus status registers (Table 14-5) | |
69 | */ | |
70 | ||
71 | #define M_SMB_BUSY _SB_MAKEMASK1(0) | |
72 | #define M_SMB_ERROR _SB_MAKEMASK1(1) | |
73 | #define M_SMB_ERROR_TYPE _SB_MAKEMASK1(2) | |
74 | #define M_SMB_REF _SB_MAKEMASK1(6) | |
75 | #define M_SMB_DATA_IN _SB_MAKEMASK1(7) | |
76 | ||
77 | /* | |
78 | * SMBus Start/Command registers (Table 14-9) | |
79 | */ | |
80 | ||
81 | #define S_SMB_ADDR 0 | |
82 | #define M_SMB_ADDR _SB_MAKEMASK(7,S_SMB_ADDR) | |
83 | #define V_SMB_ADDR(x) _SB_MAKEVALUE(x,S_SMB_ADDR) | |
84 | #define G_SMB_ADDR(x) _SB_GETVALUE(x,S_SMB_ADDR,M_SMB_ADDR) | |
85 | ||
86 | #define M_SMB_QDATA _SB_MAKEMASK1(7) | |
87 | ||
88 | #define S_SMB_TT 8 | |
89 | #define M_SMB_TT _SB_MAKEMASK(3,S_SMB_TT) | |
90 | #define V_SMB_TT(x) _SB_MAKEVALUE(x,S_SMB_TT) | |
91 | #define G_SMB_TT(x) _SB_GETVALUE(x,S_SMB_TT,M_SMB_TT) | |
92 | ||
93 | #define K_SMB_TT_WR1BYTE 0 | |
94 | #define K_SMB_TT_WR2BYTE 1 | |
95 | #define K_SMB_TT_WR3BYTE 2 | |
96 | #define K_SMB_TT_CMD_RD1BYTE 3 | |
97 | #define K_SMB_TT_CMD_RD2BYTE 4 | |
98 | #define K_SMB_TT_RD1BYTE 5 | |
99 | #define K_SMB_TT_QUICKCMD 6 | |
100 | #define K_SMB_TT_EEPROMREAD 7 | |
101 | ||
102 | #define V_SMB_TT_WR1BYTE V_SMB_TT(K_SMB_TT_WR1BYTE) | |
103 | #define V_SMB_TT_WR2BYTE V_SMB_TT(K_SMB_TT_WR2BYTE) | |
104 | #define V_SMB_TT_WR3BYTE V_SMB_TT(K_SMB_TT_WR3BYTE) | |
105 | #define V_SMB_TT_CMD_RD1BYTE V_SMB_TT(K_SMB_TT_CMD_RD1BYTE) | |
106 | #define V_SMB_TT_CMD_RD2BYTE V_SMB_TT(K_SMB_TT_CMD_RD2BYTE) | |
107 | #define V_SMB_TT_RD1BYTE V_SMB_TT(K_SMB_TT_RD1BYTE) | |
108 | #define V_SMB_TT_QUICKCMD V_SMB_TT(K_SMB_TT_QUICKCMD) | |
109 | #define V_SMB_TT_EEPROMREAD V_SMB_TT(K_SMB_TT_EEPROMREAD) | |
110 | ||
111 | #define M_SMB_PEC _SB_MAKEMASK1(15) | |
112 | ||
113 | /* | |
114 | * SMBus Data Register (Table 14-6) and SMBus Extra Register (Table 14-7) | |
115 | */ | |
116 | ||
117 | #define S_SMB_LB 0 | |
118 | #define M_SMB_LB _SB_MAKEMASK(8,S_SMB_LB) | |
119 | #define V_SMB_LB(x) _SB_MAKEVALUE(x,S_SMB_LB) | |
120 | ||
121 | #define S_SMB_MB 8 | |
122 | #define M_SMB_MB _SB_MAKEMASK(8,S_SMB_MB) | |
123 | #define V_SMB_MB(x) _SB_MAKEVALUE(x,S_SMB_MB) | |
124 | ||
125 | ||
126 | /* | |
127 | * SMBus Packet Error Check register (Table 14-8) | |
128 | */ | |
129 | ||
130 | #define S_SPEC_PEC 0 | |
131 | #define M_SPEC_PEC _SB_MAKEMASK(8,S_SPEC_PEC) | |
132 | #define V_SPEC_MB(x) _SB_MAKEVALUE(x,S_SPEC_PEC) | |
133 | ||
134 | ||
135 | #if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) | |
136 | ||
137 | #define S_SMB_CMDH 8 | |
138 | #define M_SMB_CMDH _SB_MAKEMASK(8,S_SMBH_CMD) | |
139 | #define V_SMB_CMDH(x) _SB_MAKEVALUE(x,S_SMBH_CMD) | |
140 | ||
141 | #define M_SMB_EXTEND _SB_MAKEMASK1(14) | |
142 | ||
143 | #define M_SMB_DIR _SB_MAKEMASK1(13) | |
144 | ||
145 | #define S_SMB_DFMT 8 | |
146 | #define M_SMB_DFMT _SB_MAKEMASK(3,S_SMB_DFMT) | |
147 | #define V_SMB_DFMT(x) _SB_MAKEVALUE(x,S_SMB_DFMT) | |
148 | #define G_SMB_DFMT(x) _SB_GETVALUE(x,S_SMB_DFMT,M_SMB_DFMT) | |
149 | ||
150 | #define K_SMB_DFMT_1BYTE 0 | |
151 | #define K_SMB_DFMT_2BYTE 1 | |
152 | #define K_SMB_DFMT_3BYTE 2 | |
153 | #define K_SMB_DFMT_4BYTE 3 | |
154 | #define K_SMB_DFMT_NODATA 4 | |
155 | #define K_SMB_DFMT_CMD4BYTE 5 | |
156 | #define K_SMB_DFMT_CMD5BYTE 6 | |
157 | #define K_SMB_DFMT_RESERVED 7 | |
158 | ||
159 | #define V_SMB_DFMT_1BYTE V_SMB_DFMT(K_SMB_DFMT_1BYTE) | |
160 | #define V_SMB_DFMT_2BYTE V_SMB_DFMT(K_SMB_DFMT_2BYTE) | |
161 | #define V_SMB_DFMT_3BYTE V_SMB_DFMT(K_SMB_DFMT_3BYTE) | |
162 | #define V_SMB_DFMT_4BYTE V_SMB_DFMT(K_SMB_DFMT_4BYTE) | |
163 | #define V_SMB_DFMT_NODATA V_SMB_DFMT(K_SMB_DFMT_NODATA) | |
164 | #define V_SMB_DFMT_CMD4BYTE V_SMB_DFMT(K_SMB_DFMT_CMD4BYTE) | |
165 | #define V_SMB_DFMT_CMD5BYTE V_SMB_DFMT(K_SMB_DFMT_CMD5BYTE) | |
166 | #define V_SMB_DFMT_RESERVED V_SMB_DFMT(K_SMB_DFMT_RESERVED) | |
167 | ||
168 | #endif /* 1250 PASS2 || 112x PASS1 */ | |
169 | ||
170 | #endif |