| /* 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 |
