summaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/sibyte/sb1250_smbus.h
blob: e854f96ff7f8694a3c9e992c341bea3ef71195b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*  *********************************************************************
    *  SB1250 Board Support Package
    *
    *  SMBUS Constants				File: sb1250_smbus.h
    *
    *  This module contains constants and macros useful for
    *  manipulating the SB1250's SMbus devices.
    *
    *  SB1250 specification level:  10/21/02
    *  BCM1280 specification level:  11/24/03
    *
    *********************************************************************
    *
    *  Copyright 2000,2001,2002,2003
    *  Broadcom Corporation. All rights reserved.
    *
    ********************************************************************* */


#ifndef _SB1250_SMBUS_H
#define _SB1250_SMBUS_H

#include <asm/sibyte/sb1250_defs.h>

/*
 * SMBus Clock Frequency Register (Table 14-2)
 */

#define S_SMB_FREQ_DIV		    0
#define M_SMB_FREQ_DIV		    _SB_MAKEMASK(13, S_SMB_FREQ_DIV)
#define V_SMB_FREQ_DIV(x)	    _SB_MAKEVALUE(x, S_SMB_FREQ_DIV)

#define K_SMB_FREQ_400KHZ	    0x1F
#define K_SMB_FREQ_100KHZ	    0x7D
#define K_SMB_FREQ_10KHZ	    1250

#define S_SMB_CMD		    0
#define M_SMB_CMD		    _SB_MAKEMASK(8, S_SMB_CMD)
#define V_SMB_CMD(x)		    _SB_MAKEVALUE(x, S_SMB_CMD)

/*
 * SMBus control register (Table 14-4)
 */

#define M_SMB_ERR_INTR		    _SB_MAKEMASK1(0)
#define M_SMB_FINISH_INTR	    _SB_MAKEMASK1(1)

#define S_SMB_DATA_OUT		    4
#define M_SMB_DATA_OUT		    _SB_MAKEMASK1(S_SMB_DATA_OUT)
#define V_SMB_DATA_OUT(x)	    _SB_MAKEVALUE(x, S_SMB_DATA_OUT)

#define M_SMB_DATA_DIR		    _SB_MAKEMASK1(5)
#define M_SMB_DATA_DIR_OUTPUT	    M_SMB_DATA_DIR
#define M_SMB_CLK_OUT		    _SB_MAKEMASK1(6)
#define M_SMB_DIRECT_ENABLE	    _SB_MAKEMASK1(7)

/*
 * SMBus status registers (Table 14-5)
 */

#define M_SMB_BUSY		    _SB_MAKEMASK1(0)
#define M_SMB_ERROR		    _SB_MAKEMASK1(1)
#define M_SMB_ERROR_TYPE	    _SB_MAKEMASK1(2)

#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480)
#define S_SMB_SCL_IN		    5
#define M_SMB_SCL_IN		    _SB_MAKEMASK1(S_SMB_SCL_IN)
#define V_SMB_SCL_IN(x)		    _SB_MAKEVALUE(x, S_SMB_SCL_IN)
#define G_SMB_SCL_IN(x)		    _SB_GETVALUE(x, S_SMB_SCL_IN, M_SMB_SCL_IN)
#endif /* 1250 PASS3 || 112x PASS1 || 1480 */

#define S_SMB_REF		    6
#define M_SMB_REF		    _SB_MAKEMASK1(S_SMB_REF)
#define V_SMB_REF(x)		    _SB_MAKEVALUE(x, S_SMB_REF)
#define G_SMB_REF(x)		    _SB_GETVALUE(x, S_SMB_REF, M_SMB_REF)

#define S_SMB_DATA_IN		    7
#define M_SMB_DATA_IN		    _SB_MAKEMASK1(S_SMB_DATA_IN)
#define V_SMB_DATA_IN(x)	    _SB_MAKEVALUE(x, S_SMB_DATA_IN)
#define G_SMB_DATA_IN(x)	    _SB_GETVALUE(x, S_SMB_DATA_IN, M_SMB_DATA_IN)

/*
 * SMBus Start/Command registers (Table 14-9)
 */

#define S_SMB_ADDR		    0
#define M_SMB_ADDR		    _SB_MAKEMASK(7, S_SMB_ADDR)
#define V_SMB_ADDR(x)		    _SB_MAKEVALUE(x, S_SMB_ADDR)
#define G_SMB_ADDR(x)		    _SB_GETVALUE(x, S_SMB_ADDR, M_SMB_ADDR)

#define M_SMB_QDATA		    _SB_MAKEMASK1(7)

#define S_SMB_TT		    8
#define M_SMB_TT		    _SB_MAKEMASK(3, S_SMB_TT)
#define V_SMB_TT(x)		    _SB_MAKEVALUE(x, S_SMB_TT)
#define G_SMB_TT(x)		    _SB_GETVALUE(x, S_SMB_TT, M_SMB_TT)

#define K_SMB_TT_WR1BYTE	    0
#define K_SMB_TT_WR2BYTE	    1
#define K_SMB_TT_WR3BYTE	    2
#define K_SMB_TT_CMD_RD1BYTE	    3
#define K_SMB_TT_CMD_RD2BYTE	    4
#define K_SMB_TT_RD1BYTE	    5
#define K_SMB_TT_QUICKCMD	    6
#define K_SMB_TT_EEPROMREAD	    7

#define V_SMB_TT_WR1BYTE	    V_SMB_TT(K_SMB_TT_WR1BYTE)
#define V_SMB_TT_WR2BYTE	    V_SMB_TT(K_SMB_TT_WR2BYTE)
#define V_SMB_TT_WR3BYTE	    V_SMB_TT(K_SMB_TT_WR3BYTE)
#define V_SMB_TT_CMD_RD1BYTE	    V_SMB_TT(K_SMB_TT_CMD_RD1BYTE)
#define V_SMB_TT_CMD_RD2BYTE	    V_SMB_TT(K_SMB_TT_CMD_RD2BYTE)
#define V_SMB_TT_RD1BYTE	    V_SMB_TT(K_SMB_TT_RD1BYTE)
#define V_SMB_TT_QUICKCMD	    V_SMB_TT(K_SMB_TT_QUICKCMD)
#define V_SMB_TT_EEPROMREAD	    V_SMB_TT(K_SMB_TT_EEPROMREAD)

#define M_SMB_PEC		    _SB_MAKEMASK1(15)

/*
 * SMBus Data Register (Table 14-6) and SMBus Extra Register (Table 14-7)
 */

#define S_SMB_LB		    0
#define M_SMB_LB		    _SB_MAKEMASK(8, S_SMB_LB)
#define V_SMB_LB(x)		    _SB_MAKEVALUE(x, S_SMB_LB)

#define S_SMB_MB		    8
#define M_SMB_MB		    _SB_MAKEMASK(8, S_SMB_MB)
#define V_SMB_MB(x)		    _SB_MAKEVALUE(x, S_SMB_MB)


/*
 * SMBus Packet Error Check register (Table 14-8)
 */

#define S_SPEC_PEC		    0
#define M_SPEC_PEC		    _SB_MAKEMASK(8, S_SPEC_PEC)
#define V_SPEC_MB(x)		    _SB_MAKEVALUE(x, S_SPEC_PEC)


#if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480)

#define S_SMB_CMDH		    8
#define M_SMB_CMDH		    _SB_MAKEMASK(8, S_SMB_CMDH)
#define V_SMB_CMDH(x)		    _SB_MAKEVALUE(x, S_SMB_CMDH)

#define M_SMB_EXTEND		    _SB_MAKEMASK1(14)

#define S_SMB_DFMT		    8
#define M_SMB_DFMT		    _SB_MAKEMASK(3, S_SMB_DFMT)
#define V_SMB_DFMT(x)		    _SB_MAKEVALUE(x, S_SMB_DFMT)
#define G_SMB_DFMT(x)		    _SB_GETVALUE(x, S_SMB_DFMT, M_SMB_DFMT)

#define K_SMB_DFMT_1BYTE	    0
#define K_SMB_DFMT_2BYTE	    1
#define K_SMB_DFMT_3BYTE	    2
#define K_SMB_DFMT_4BYTE	    3
#define K_SMB_DFMT_NODATA	    4
#define K_SMB_DFMT_CMD4BYTE	    5
#define K_SMB_DFMT_CMD5BYTE	    6
#define K_SMB_DFMT_RESERVED	    7

#define V_SMB_DFMT_1BYTE	    V_SMB_DFMT(K_SMB_DFMT_1BYTE)
#define V_SMB_DFMT_2BYTE	    V_SMB_DFMT(K_SMB_DFMT_2BYTE)
#define V_SMB_DFMT_3BYTE	    V_SMB_DFMT(K_SMB_DFMT_3BYTE)
#define V_SMB_DFMT_4BYTE	    V_SMB_DFMT(K_SMB_DFMT_4BYTE)
#define V_SMB_DFMT_NODATA	    V_SMB_DFMT(K_SMB_DFMT_NODATA)
#define V_SMB_DFMT_CMD4BYTE	    V_SMB_DFMT(K_SMB_DFMT_CMD4BYTE)
#define V_SMB_DFMT_CMD5BYTE	    V_SMB_DFMT(K_SMB_DFMT_CMD5BYTE)
#define V_SMB_DFMT_RESERVED	    V_SMB_DFMT(K_SMB_DFMT_RESERVED)

#define S_SMB_AFMT		    11
#define M_SMB_AFMT		    _SB_MAKEMASK(2, S_SMB_AFMT)
#define V_SMB_AFMT(x)		    _SB_MAKEVALUE(x, S_SMB_AFMT)
#define G_SMB_AFMT(x)		    _SB_GETVALUE(x, S_SMB_AFMT, M_SMB_AFMT)

#define K_SMB_AFMT_NONE		    0
#define K_SMB_AFMT_ADDR		    1
#define K_SMB_AFMT_ADDR_CMD1BYTE    2
#define K_SMB_AFMT_ADDR_CMD2BYTE    3

#define V_SMB_AFMT_NONE		    V_SMB_AFMT(K_SMB_AFMT_NONE)
#define V_SMB_AFMT_ADDR		    V_SMB_AFMT(K_SMB_AFMT_ADDR)
#define V_SMB_AFMT_ADDR_CMD1BYTE    V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD1BYTE)
#define V_SMB_AFMT_ADDR_CMD2BYTE    V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD2BYTE)

#define M_SMB_DIR		    _SB_MAKEMASK1(13)

#endif /* 1250 PASS2 || 112x PASS1 || 1480 */

#endif