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: 10/21/02 10 * BCM1280 specification level: 11/24/03 11 * 12 ********************************************************************* 13 * 14 * Copyright 2000,2001,2002,2003 15 * Broadcom Corporation. All rights reserved. 16 * 17 * This program is free software; you can redistribute it and/or 18 * modify it under the terms of the GNU General Public License as 19 * published by the Free Software Foundation; either version 2 of 20 * the License, or (at your option) any later version. 21 * 22 * This program is distributed in the hope that it will be useful, 23 * but WITHOUT ANY WARRANTY; without even the implied warranty of 24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 25 * GNU General Public License for more details. 26 * 27 * You should have received a copy of the GNU General Public License 28 * along with this program; if not, write to the Free Software 29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 30 * MA 02111-1307 USA 31 ********************************************************************* */ 32 33 34 #ifndef _SB1250_SMBUS_H 35 #define _SB1250_SMBUS_H 36 37 #include "sb1250_defs.h" 38 39 /* 40 * SMBus Clock Frequency Register (Table 14-2) 41 */ 42 43 #define S_SMB_FREQ_DIV 0 44 #define M_SMB_FREQ_DIV _SB_MAKEMASK(13, S_SMB_FREQ_DIV) 45 #define V_SMB_FREQ_DIV(x) _SB_MAKEVALUE(x, S_SMB_FREQ_DIV) 46 47 #define K_SMB_FREQ_400KHZ 0x1F 48 #define K_SMB_FREQ_100KHZ 0x7D 49 #define K_SMB_FREQ_10KHZ 1250 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 62 #define S_SMB_DATA_OUT 4 63 #define M_SMB_DATA_OUT _SB_MAKEMASK1(S_SMB_DATA_OUT) 64 #define V_SMB_DATA_OUT(x) _SB_MAKEVALUE(x, S_SMB_DATA_OUT) 65 66 #define M_SMB_DATA_DIR _SB_MAKEMASK1(5) 67 #define M_SMB_DATA_DIR_OUTPUT M_SMB_DATA_DIR 68 #define M_SMB_CLK_OUT _SB_MAKEMASK1(6) 69 #define M_SMB_DIRECT_ENABLE _SB_MAKEMASK1(7) 70 71 /* 72 * SMBus status registers (Table 14-5) 73 */ 74 75 #define M_SMB_BUSY _SB_MAKEMASK1(0) 76 #define M_SMB_ERROR _SB_MAKEMASK1(1) 77 #define M_SMB_ERROR_TYPE _SB_MAKEMASK1(2) 78 79 #if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480) 80 #define S_SMB_SCL_IN 5 81 #define M_SMB_SCL_IN _SB_MAKEMASK1(S_SMB_SCL_IN) 82 #define V_SMB_SCL_IN(x) _SB_MAKEVALUE(x, S_SMB_SCL_IN) 83 #define G_SMB_SCL_IN(x) _SB_GETVALUE(x, S_SMB_SCL_IN, M_SMB_SCL_IN) 84 #endif /* 1250 PASS3 || 112x PASS1 || 1480 */ 85 86 #define S_SMB_REF 6 87 #define M_SMB_REF _SB_MAKEMASK1(S_SMB_REF) 88 #define V_SMB_REF(x) _SB_MAKEVALUE(x, S_SMB_REF) 89 #define G_SMB_REF(x) _SB_GETVALUE(x, S_SMB_REF, M_SMB_REF) 90 91 #define S_SMB_DATA_IN 7 92 #define M_SMB_DATA_IN _SB_MAKEMASK1(S_SMB_DATA_IN) 93 #define V_SMB_DATA_IN(x) _SB_MAKEVALUE(x, S_SMB_DATA_IN) 94 #define G_SMB_DATA_IN(x) _SB_GETVALUE(x, S_SMB_DATA_IN, M_SMB_DATA_IN) 95 96 /* 97 * SMBus Start/Command registers (Table 14-9) 98 */ 99 100 #define S_SMB_ADDR 0 101 #define M_SMB_ADDR _SB_MAKEMASK(7, S_SMB_ADDR) 102 #define V_SMB_ADDR(x) _SB_MAKEVALUE(x, S_SMB_ADDR) 103 #define G_SMB_ADDR(x) _SB_GETVALUE(x, S_SMB_ADDR, M_SMB_ADDR) 104 105 #define M_SMB_QDATA _SB_MAKEMASK1(7) 106 107 #define S_SMB_TT 8 108 #define M_SMB_TT _SB_MAKEMASK(3, S_SMB_TT) 109 #define V_SMB_TT(x) _SB_MAKEVALUE(x, S_SMB_TT) 110 #define G_SMB_TT(x) _SB_GETVALUE(x, S_SMB_TT, M_SMB_TT) 111 112 #define K_SMB_TT_WR1BYTE 0 113 #define K_SMB_TT_WR2BYTE 1 114 #define K_SMB_TT_WR3BYTE 2 115 #define K_SMB_TT_CMD_RD1BYTE 3 116 #define K_SMB_TT_CMD_RD2BYTE 4 117 #define K_SMB_TT_RD1BYTE 5 118 #define K_SMB_TT_QUICKCMD 6 119 #define K_SMB_TT_EEPROMREAD 7 120 121 #define V_SMB_TT_WR1BYTE V_SMB_TT(K_SMB_TT_WR1BYTE) 122 #define V_SMB_TT_WR2BYTE V_SMB_TT(K_SMB_TT_WR2BYTE) 123 #define V_SMB_TT_WR3BYTE V_SMB_TT(K_SMB_TT_WR3BYTE) 124 #define V_SMB_TT_CMD_RD1BYTE V_SMB_TT(K_SMB_TT_CMD_RD1BYTE) 125 #define V_SMB_TT_CMD_RD2BYTE V_SMB_TT(K_SMB_TT_CMD_RD2BYTE) 126 #define V_SMB_TT_RD1BYTE V_SMB_TT(K_SMB_TT_RD1BYTE) 127 #define V_SMB_TT_QUICKCMD V_SMB_TT(K_SMB_TT_QUICKCMD) 128 #define V_SMB_TT_EEPROMREAD V_SMB_TT(K_SMB_TT_EEPROMREAD) 129 130 #define M_SMB_PEC _SB_MAKEMASK1(15) 131 132 /* 133 * SMBus Data Register (Table 14-6) and SMBus Extra Register (Table 14-7) 134 */ 135 136 #define S_SMB_LB 0 137 #define M_SMB_LB _SB_MAKEMASK(8, S_SMB_LB) 138 #define V_SMB_LB(x) _SB_MAKEVALUE(x, S_SMB_LB) 139 140 #define S_SMB_MB 8 141 #define M_SMB_MB _SB_MAKEMASK(8, S_SMB_MB) 142 #define V_SMB_MB(x) _SB_MAKEVALUE(x, S_SMB_MB) 143 144 145 /* 146 * SMBus Packet Error Check register (Table 14-8) 147 */ 148 149 #define S_SPEC_PEC 0 150 #define M_SPEC_PEC _SB_MAKEMASK(8, S_SPEC_PEC) 151 #define V_SPEC_MB(x) _SB_MAKEVALUE(x, S_SPEC_PEC) 152 153 154 #if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480) 155 156 #define S_SMB_CMDH 8 157 #define M_SMB_CMDH _SB_MAKEMASK(8, S_SMB_CMDH) 158 #define V_SMB_CMDH(x) _SB_MAKEVALUE(x, S_SMB_CMDH) 159 160 #define M_SMB_EXTEND _SB_MAKEMASK1(14) 161 162 #define S_SMB_DFMT 8 163 #define M_SMB_DFMT _SB_MAKEMASK(3, S_SMB_DFMT) 164 #define V_SMB_DFMT(x) _SB_MAKEVALUE(x, S_SMB_DFMT) 165 #define G_SMB_DFMT(x) _SB_GETVALUE(x, S_SMB_DFMT, M_SMB_DFMT) 166 167 #define K_SMB_DFMT_1BYTE 0 168 #define K_SMB_DFMT_2BYTE 1 169 #define K_SMB_DFMT_3BYTE 2 170 #define K_SMB_DFMT_4BYTE 3 171 #define K_SMB_DFMT_NODATA 4 172 #define K_SMB_DFMT_CMD4BYTE 5 173 #define K_SMB_DFMT_CMD5BYTE 6 174 #define K_SMB_DFMT_RESERVED 7 175 176 #define V_SMB_DFMT_1BYTE V_SMB_DFMT(K_SMB_DFMT_1BYTE) 177 #define V_SMB_DFMT_2BYTE V_SMB_DFMT(K_SMB_DFMT_2BYTE) 178 #define V_SMB_DFMT_3BYTE V_SMB_DFMT(K_SMB_DFMT_3BYTE) 179 #define V_SMB_DFMT_4BYTE V_SMB_DFMT(K_SMB_DFMT_4BYTE) 180 #define V_SMB_DFMT_NODATA V_SMB_DFMT(K_SMB_DFMT_NODATA) 181 #define V_SMB_DFMT_CMD4BYTE V_SMB_DFMT(K_SMB_DFMT_CMD4BYTE) 182 #define V_SMB_DFMT_CMD5BYTE V_SMB_DFMT(K_SMB_DFMT_CMD5BYTE) 183 #define V_SMB_DFMT_RESERVED V_SMB_DFMT(K_SMB_DFMT_RESERVED) 184 185 #define S_SMB_AFMT 11 186 #define M_SMB_AFMT _SB_MAKEMASK(2, S_SMB_AFMT) 187 #define V_SMB_AFMT(x) _SB_MAKEVALUE(x, S_SMB_AFMT) 188 #define G_SMB_AFMT(x) _SB_GETVALUE(x, S_SMB_AFMT, M_SMB_AFMT) 189 190 #define K_SMB_AFMT_NONE 0 191 #define K_SMB_AFMT_ADDR 1 192 #define K_SMB_AFMT_ADDR_CMD1BYTE 2 193 #define K_SMB_AFMT_ADDR_CMD2BYTE 3 194 195 #define V_SMB_AFMT_NONE V_SMB_AFMT(K_SMB_AFMT_NONE) 196 #define V_SMB_AFMT_ADDR V_SMB_AFMT(K_SMB_AFMT_ADDR) 197 #define V_SMB_AFMT_ADDR_CMD1BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD1BYTE) 198 #define V_SMB_AFMT_ADDR_CMD2BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD2BYTE) 199 200 #define M_SMB_DIR _SB_MAKEMASK1(13) 201 202 #endif /* 1250 PASS2 || 112x PASS1 || 1480 */ 203 204 #endif 205