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 (mpl@broadcom.com) 12 * 13 ********************************************************************* 14 * 15 * Copyright 2000,2001 16 * Broadcom Corporation. All rights reserved. 17 * 18 * This software is furnished under license and may be used and 19 * copied only in accordance with the following terms and 20 * conditions. Subject to these conditions, you may download, 21 * copy, install, use, modify and distribute modified or unmodified 22 * copies of this software in source and/or binary form. No title 23 * or ownership is transferred hereby. 24 * 25 * 1) Any source code used, modified or distributed must reproduce 26 * and retain this copyright notice and list of conditions as 27 * they appear in the source file. 28 * 29 * 2) No right is granted to use any trade name, trademark, or 30 * logo of Broadcom Corporation. Neither the "Broadcom 31 * Corporation" name nor any trademark or logo of Broadcom 32 * Corporation may be used to endorse or promote products 33 * derived from this software without the prior written 34 * permission of Broadcom Corporation. 35 * 36 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR 37 * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED 38 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 39 * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT 40 * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN 41 * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, 42 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 43 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 44 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 45 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 46 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 47 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF 48 * THE POSSIBILITY OF SUCH DAMAGE. 49 ********************************************************************* */ 50 51 52 #ifndef _SB1250_SMBUS_H 53 #define _SB1250_SMBUS_H 54 55 #include "sb1250_defs.h" 56 57 /* 58 * SMBus Clock Frequency Register (Table 14-2) 59 */ 60 61 #define S_SMB_FREQ_DIV 0 62 #define M_SMB_FREQ_DIV _SB_MAKEMASK(13,S_SMB_FREQ_DIV) 63 #define V_SMB_FREQ_DIV(x) _SB_MAKEVALUE(x,S_SMB_FREQ_DIV) 64 65 #define K_SMB_FREQ_400KHZ 0x1F 66 #define K_SMB_FREQ_100KHZ 0x7D 67 68 #define S_SMB_CMD 0 69 #define M_SMB_CMD _SB_MAKEMASK(8,S_SMB_CMD) 70 #define V_SMB_CMD(x) _SB_MAKEVALUE(x,S_SMB_CMD) 71 72 /* 73 * SMBus control register (Table 14-4) 74 */ 75 76 #define M_SMB_ERR_INTR _SB_MAKEMASK1(0) 77 #define M_SMB_FINISH_INTR _SB_MAKEMASK1(1) 78 #define M_SMB_DATA_OUT _SB_MAKEMASK1(4) 79 #define M_SMB_DATA_DIR _SB_MAKEMASK1(5) 80 #define M_SMB_DATA_DIR_OUTPUT M_SMB_DATA_DIR 81 #define M_SMB_CLK_OUT _SB_MAKEMASK1(6) 82 #define M_SMB_DIRECT_ENABLE _SB_MAKEMASK1(7) 83 84 /* 85 * SMBus status registers (Table 14-5) 86 */ 87 88 #define M_SMB_BUSY _SB_MAKEMASK1(0) 89 #define M_SMB_ERROR _SB_MAKEMASK1(1) 90 #define M_SMB_ERROR_TYPE _SB_MAKEMASK1(2) 91 #define M_SMB_REF _SB_MAKEMASK1(6) 92 #define M_SMB_DATA_IN _SB_MAKEMASK1(7) 93 94 /* 95 * SMBus Start/Command registers (Table 14-9) 96 */ 97 98 #define S_SMB_ADDR 0 99 #define M_SMB_ADDR _SB_MAKEMASK(7,S_SMB_ADDR) 100 #define V_SMB_ADDR(x) _SB_MAKEVALUE(x,S_SMB_ADDR) 101 #define G_SMB_ADDR(x) _SB_GETVALUE(x,S_SMB_ADDR,M_SMB_ADDR) 102 103 #define M_SMB_QDATA _SB_MAKEMASK1(7) 104 105 #define S_SMB_TT 8 106 #define M_SMB_TT _SB_MAKEMASK(3,S_SMB_TT) 107 #define V_SMB_TT(x) _SB_MAKEVALUE(x,S_SMB_TT) 108 #define G_SMB_TT(x) _SB_GETVALUE(x,S_SMB_TT,M_SMB_TT) 109 110 #define K_SMB_TT_WR1BYTE 0 111 #define K_SMB_TT_WR2BYTE 1 112 #define K_SMB_TT_WR3BYTE 2 113 #define K_SMB_TT_CMD_RD1BYTE 3 114 #define K_SMB_TT_CMD_RD2BYTE 4 115 #define K_SMB_TT_RD1BYTE 5 116 #define K_SMB_TT_QUICKCMD 6 117 #define K_SMB_TT_EEPROMREAD 7 118 119 #define V_SMB_TT_WR1BYTE V_SMB_TT(K_SMB_TT_WR1BYTE) 120 #define V_SMB_TT_WR2BYTE V_SMB_TT(K_SMB_TT_WR2BYTE) 121 #define V_SMB_TT_WR3BYTE V_SMB_TT(K_SMB_TT_WR3BYTE) 122 #define V_SMB_TT_CMD_RD1BYTE V_SMB_TT(K_SMB_TT_CMD_RD1BYTE) 123 #define V_SMB_TT_CMD_RD2BYTE V_SMB_TT(K_SMB_TT_CMD_RD2BYTE) 124 #define V_SMB_TT_RD1BYTE V_SMB_TT(K_SMB_TT_RD1BYTE) 125 #define V_SMB_TT_QUICKCMD V_SMB_TT(K_SMB_TT_QUICKCMD) 126 #define V_SMB_TT_EEPROMREAD V_SMB_TT(K_SMB_TT_EEPROMREAD) 127 128 #define M_SMB_PEC _SB_MAKEMASK1(15) 129 130 /* 131 * SMBus Data Register (Table 14-6) and SMBus Extra Register (Table 14-7) 132 */ 133 134 #define S_SMB_LB 0 135 #define M_SMB_LB _SB_MAKEMASK(8,S_SMB_LB) 136 #define V_SMB_LB(x) _SB_MAKEVALUE(x,S_SMB_LB) 137 138 #define S_SMB_MB 8 139 #define M_SMB_MB _SB_MAKEMASK(8,S_SMB_MB) 140 #define V_SMB_MB(x) _SB_MAKEVALUE(x,S_SMB_MB) 141 142 143 /* 144 * SMBus Packet Error Check register (Table 14-8) 145 */ 146 147 #define S_SPEC_PEC 0 148 #define M_SPEC_PEC _SB_MAKEMASK(8,S_SPEC_PEC) 149 #define V_SPEC_MB(x) _SB_MAKEVALUE(x,S_SPEC_PEC) 150 151 152 #if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) 153 154 #define S_SMB_CMDH 8 155 #define M_SMB_CMDH _SB_MAKEMASK(8,S_SMBH_CMD) 156 #define V_SMB_CMDH(x) _SB_MAKEVALUE(x,S_SMBH_CMD) 157 158 #define M_SMB_EXTEND _SB_MAKEMASK1(14) 159 160 #define M_SMB_DIR _SB_MAKEMASK1(13) 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 #endif /* 1250 PASS2 || 112x PASS1 */ 186 187 #endif 188