diff options
Diffstat (limited to 'src/drivers/i2c/w83795/w83795.h')
| -rw-r--r-- | src/drivers/i2c/w83795/w83795.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/drivers/i2c/w83795/w83795.h b/src/drivers/i2c/w83795/w83795.h new file mode 100644 index 0000000000..de0a554f5d --- /dev/null +++ b/src/drivers/i2c/w83795/w83795.h @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * 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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _W83795_H_ +#define _W83795_H_ + +#define W83795_DEV 0x2F /* Host I2c Addr (strap to addr1 addr0 1 1, 0x5E) */ + +#define W83795_REG_I2C_ADDR 0xFC +#define W83795_REG_BANKSEL 0x00 +#define W83795_REG_CONFIG 0x01 +#define W83795_REG_CONFIG_START 0x01 +#define W83795_REG_CONFIG_CONFIG48 0x04 +#define W83795_REG_CONFIG_INIT 0x80 + +#define W83795_REG_TEMP_CTRL1 0x04 /* Temperature Monitoring Control Register */ +#define W83795_REG_TEMP_CTRL2 0x05 /* Temperature Monitoring Control Register */ +#define W83795_REG_FANIN_CTRL1 0x06 +#define W83795_REG_FANIN_CTRL2 0x07 +#define W83795_REG_TEMP_CTRL1_EN_DTS 0x20 /* Enable DTS (Digital Temperature Sensor) interface from INTEL PECI or AMD SB-TSI. */ +#define DTS_SRC_INTEL_PECI (0 << 0) +#define DTS_SRC_AMD_SBTSI (1 << 0) + +#define W83795_REG_TSS(n) (0x209 + (n)) /* Temperature Source Selection Register */ +#define W83795_REG_TTTI(n) (0x260 + (n)) /* tarrget temperature W83795G/ADG will try to tune the fan output to keep */ +#define W83795_REG_CTFS(n) (0x268 + (n)) /* Critical Temperature to Full Speed all fan */ +#define W83795_REG_HT(n) (0x270 + (n)) /* Hystersis of Temperature */ +#define W83795_REG_DTSC 0x301 /* Digital Temperature Sensor Configuration */ + +#define W83795_REG_DTSE 0x302 /* Digital Temperature Sensor Enable */ +#define W83795_REG_DTS(n) (0x26 + (n)) +#define W83795_REG_VRLSB 0x3C + +#define W83795_TEMP_REG_TR1 0x21 +#define W83795_TEMP_REG_TR2 0x22 +#define W83795_TEMP_REG_TR3 0x23 +#define W83795_TEMP_REG_TR4 0x24 +#define W83795_TEMP_REG_TR5 0x1F +#define W83795_TEMP_REG_TR6 0x20 + +#define W83795_REG_FCMS1 0x201 +#define W83795_REG_FCMS2 0x208 +#define W83795_REG_TFMR(n) (0x202 + (n)) /*temperature to fam mappig*/ +#define W83795_REG_DFSP 0x20C + +#define W83795_REG_FTSH(n) (0x240 + (n) * 2) +#define W83795_REG_FTSL(n) (0x241 + (n) * 2) +#define W83795_REG_TFTS 0x250 + +typedef enum w83795_fan_mode { + SPEED_CRUISE_MODE, ///< Fan Speed Cruise mode keeps the fan speed in a specified range + THERMAL_CRUISE_MODE, ///< Thermal Cruise mode is an algorithm to control the fan speed to keep the temperature source around the TTTI + SMART_FAN_MODE, ///< Smart Fan mode offers 6 slopes to control the fan speed + MANUAL_MODE, ///< control manually +} w83795_fan_mode_t; + +#endif |