/*  *********************************************************************    *  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:  01/02/2002    *      *  Author:  Mitch Lichtenberg    *      *********************************************************************      *    *  Copyright 2000,2001,2002,2003    *  Broadcom Corporation. All rights reserved.    *      *  This program is free software; you can redistribute it and/or     *  modify it under the terms of the GNU General Public License as     *  published by the Free Software Foundation; either version 2 of     *  the License, or (at your option) any later version.    *    *  This program is distributed in the hope that it will be useful,    *  but WITHOUT ANY WARRANTY; without even the implied warranty of    *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *  GNU General Public License for more details.    *    *  You should have received a copy of the GNU General Public License    *  along with this program; if not, write to the Free Software    *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,     *  MA 02111-1307 USA    ********************************************************************* */#ifndef _SB1250_SMBUS_H#define _SB1250_SMBUS_H#include "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 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 M_SMB_DATA_OUT              _SB_MAKEMASK1(4)#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)#define M_SMB_REF                   _SB_MAKEMASK1(6)#define M_SMB_DATA_IN               _SB_MAKEMASK1(7)/* * 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)#define S_SMB_CMDH                  8#define M_SMB_CMDH                  _SB_MAKEMASK(8,S_SMBH_CMD)#define V_SMB_CMDH(x)               _SB_MAKEVALUE(x,S_SMBH_CMD)#define M_SMB_EXTEND		    _SB_MAKEMASK1(14)#define M_SMB_DIR		    _SB_MAKEMASK1(13)#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)#endif /* 1250 PASS2 || 112x PASS1 */#endif