/* *********************************************************************
* 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