/* Copyright 2016 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* G781/G782 temperature sensor module for Chrome EC */ #ifndef __CROS_EC_G78X_H #define __CROS_EC_G78X_H #if defined(CONFIG_TEMP_SENSOR_G781) && defined(CONFIG_TEMP_SENSOR_G782) #error Cannot support both G781 and G782 together! #endif #define G78X_I2C_ADDR_FLAGS 0x4C #define G78X_IDX_INTERNAL 0 #define G78X_IDX_EXTERNAL1 1 #define G78X_IDX_EXTERNAL2 2 #if defined(CONFIG_TEMP_SENSOR_G781) /* G781 register */ #define G78X_TEMP_LOCAL 0x00 #define G78X_TEMP_REMOTE1 0x01 #define G78X_STATUS 0x02 #define G78X_CONFIGURATION_R 0x03 #define G78X_CONVERSION_RATE_R 0x04 #define G78X_LOCAL_TEMP_HIGH_LIMIT_R 0x05 #define G78X_LOCAL_TEMP_LOW_LIMIT_R 0x06 #define G78X_REMOTE1_TEMP_HIGH_LIMIT_R 0x07 #define G78X_REMOTE1_TEMP_LOW_LIMIT_R 0x08 #define G78X_CONFIGURATION_W 0x09 #define G78X_CONVERSION_RATE_W 0x0a #define G78X_LOCAL_TEMP_HIGH_LIMIT_W 0x0b #define G78X_LOCAL_TEMP_LOW_LIMIT_W 0x0c #define G78X_REMOTE1_TEMP_HIGH_LIMIT_W 0x0d #define G78X_REMOTE1_TEMP_LOW_LIMIT_W 0x0e #define G78X_ONESHOT 0x0f #define G78X_REMOTE1_TEMP_EXTENDED 0x10 #define G78X_REMOTE1_TEMP_OFFSET_HIGH 0x11 #define G78X_REMOTE1_TEMP_OFFSET_EXTD 0x12 #define G78X_REMOTE1_T_HIGH_LIMIT_EXTD 0x13 #define G78X_REMOTE1_T_LOW_LIMIT_EXTD 0x14 #define G78X_REMOTE1_TEMP_THERM_LIMIT 0x19 #define G78X_LOCAL_TEMP_THERM_LIMIT 0x20 #define G78X_THERM_HYSTERESIS 0x21 #define G78X_ALERT_FAULT_QUEUE_CODE 0x22 #define G78X_MANUFACTURER_ID 0xFE #define G78X_DEVICE_ID 0xFF /* Config register bits */ #define G78X_CONFIGURATION_STANDBY BIT(6) #define G78X_CONFIGURATION_ALERT_MASK BIT(7) /* Status register bits */ #define G78X_STATUS_LOCAL_TEMP_THERM_ALARM BIT(0) #define G78X_STATUS_REMOTE1_TEMP_THERM_ALARM BIT(1) #define G78X_STATUS_REMOTE1_TEMP_FAULT BIT(2) #define G78X_STATUS_REMOTE1_TEMP_LOW_ALARM BIT(3) #define G78X_STATUS_REMOTE1_TEMP_HIGH_ALARM BIT(4) #define G78X_STATUS_LOCAL_TEMP_LOW_ALARM BIT(5) #define G78X_STATUS_LOCAL_TEMP_HIGH_ALARM BIT(6) #define G78X_STATUS_BUSY BIT(7) #elif defined(CONFIG_TEMP_SENSOR_G782) /* G782 register */ #define G78X_TEMP_LOCAL 0x00 #define G78X_TEMP_REMOTE1 0x01 #define G78X_TEMP_REMOTE2 0x02 #define G78X_STATUS 0x03 #define G78X_CONFIGURATION_R 0x04 #define G78X_CONFIGURATION_W 0x04 #define G78X_CONVERSION_RATE_R 0x05 #define G78X_CONVERSION_RATE_W 0x05 #define G78X_LOCAL_TEMP_HIGH_LIMIT_R 0x06 #define G78X_LOCAL_TEMP_HIGH_LIMIT_W 0x06 #define G78X_LOCAL_TEMP_LOW_LIMIT_R 0x07 #define G78X_LOCAL_TEMP_LOW_LIMIT_W 0x07 #define G78X_REMOTE1_TEMP_HIGH_LIMIT_R 0x08 #define G78X_REMOTE1_TEMP_HIGH_LIMIT_W 0x08 #define G78X_REMOTE1_TEMP_LOW_LIMIT_R 0x09 #define G78X_REMOTE1_TEMP_LOW_LIMIT_W 0x09 #define G78X_REMOTE2_TEMP_HIGH_LIMIT_R 0x0a #define G78X_REMOTE2_TEMP_HIGH_LIMIT_W 0x0a #define G78X_REMOTE2_TEMP_LOW_LIMIT_R 0x0b #define G78X_REMOTE2_TEMP_LOW_LIMIT_W 0x0b #define G78X_ONESHOT 0x0c #define G78X_REMOTE1_TEMP_EXTENDED 0x0d #define G78X_REMOTE1_TEMP_OFFSET_HIGH 0x0e #define G78X_REMOTE1_TEMP_OFFSET_EXTD 0x0f #define G78X_REMOTE1_T_HIGH_LIMIT_EXTD 0x10 #define G78X_REMOTE1_T_LOW_LIMIT_EXTD 0x11 #define G78X_REMOTE1_TEMP_THERM_LIMIT 0x12 #define G78X_REMOTE2_TEMP_EXTENDED 0x13 #define G78X_REMOTE2_TEMP_OFFSET_HIGH 0x14 #define G78X_REMOTE2_TEMP_OFFSET_EXTD 0x15 #define G78X_REMOTE2_T_HIGH_LIMIT_EXTD 0x16 #define G78X_REMOTE2_T_LOW_LIMIT_EXTD 0x17 #define G78X_REMOTE2_TEMP_THERM_LIMIT 0x18 #define G78X_STATUS1 0x19 #define G78X_LOCAL_TEMP_THERM_LIMIT 0x20 #define G78X_THERM_HYSTERESIS 0x21 #define G78X_ALERT_FAULT_QUEUE_CODE 0x22 #define G78X_MANUFACTURER_ID 0xFE #define G78X_DEVICE_ID 0xFF /* Config register bits */ #define G78X_CONFIGURATION_REMOTE2_DIS BIT(5) #define G78X_CONFIGURATION_STANDBY BIT(6) #define G78X_CONFIGURATION_ALERT_MASK BIT(7) /* Status register bits */ #define G78X_STATUS_LOCAL_TEMP_LOW_ALARM BIT(0) #define G78X_STATUS_LOCAL_TEMP_HIGH_ALARM BIT(1) #define G78X_STATUS_LOCAL_TEMP_THERM_ALARM BIT(2) #define G78X_STATUS_REMOTE2_TEMP_THERM_ALARM BIT(3) #define G78X_STATUS_REMOTE1_TEMP_THERM_ALARM BIT(4) #define G78X_STATUS_REMOTE2_TEMP_FAULT BIT(5) #define G78X_STATUS_REMOTE1_TEMP_FAULT BIT(6) #define G78X_STATUS_BUSY BIT(7) /* Status1 register bits */ #define G78X_STATUS_REMOTE2_TEMP_LOW_ALARM BIT(4) #define G78X_STATUS_REMOTE2_TEMP_HIGH_ALARM BIT(5) #define G78X_STATUS_REMOTE1_TEMP_LOW_ALARM BIT(6) #define G78X_STATUS_REMOTE1_TEMP_HIGH_ALARM BIT(7) #endif /** * Get the last polled value of a sensor. * * @param idx Index to read. Idx indicates whether to read die * temperature or external temperature. * @param temp_ptr Destination for temperature in K. * * @return EC_SUCCESS if successful, non-zero if error. */ int g78x_get_val(int idx, int *temp_ptr); #endif /* __CROS_EC_G78X_H */