|  | /*  ********************************************************************* | 
|  | *  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. | 
|  | * | 
|  | *  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 <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 |