OSCL-LXR linux-6.0.1/​arch/​mips/​include/​asm/​sibyte/​sb1250_smbus.h	Source navigation Diff markup Identifier search General search
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 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*  *********************************************************************
     *  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.
     *
     ********************************************************************* */
 
 
 #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

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