Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* ********************************************************************* |
| 2 | * SB1250 Board Support Package |
| 3 | * |
| 4 | * SMBUS Constants File: sb1250_smbus.h |
| 5 | * |
| 6 | * This module contains constants and macros useful for |
| 7 | * manipulating the SB1250's SMbus devices. |
| 8 | * |
| 9 | * SB1250 specification level: 01/02/2002 |
| 10 | * |
| 11 | * Author: Mitch Lichtenberg |
| 12 | * |
| 13 | ********************************************************************* |
| 14 | * |
| 15 | * Copyright 2000,2001,2002,2003 |
| 16 | * Broadcom Corporation. All rights reserved. |
| 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 |
| 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 |
| 30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 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 |