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/* Copyright 2018 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.
*/
/* TMP468 temperature sensor module for Chrome EC */
#ifndef __CROS_EC_TMP468_H
#define __CROS_EC_TMP468_H
#define TMP468_I2C_ADDR_FLAGS (0x48 | I2C_FLAG_BIG_ENDIAN)
#define TMP468_SHIFT1 7
#define TMP468_LOCAL 0x00
#define TMP468_REMOTE1 0x01
#define TMP468_REMOTE2 0x02
#define TMP468_REMOTE3 0x03
#define TMP468_REMOTE4 0x04
#define TMP468_REMOTE5 0x05
#define TMP468_REMOTE6 0x06
#define TMP468_REMOTE7 0x07
#define TMP468_REMOTE8 0x08
#define TMP468_SRST 0x20
#define TMP468_THERM 0x21
#define TMP468_THERM2 0x22
#define TMP468_ROPEN 0x23
#define TMP468_CONFIGURATION 0x30
#define TMP468_THERM_HYST 0x38
#define TMP468_LOCAL_LOW_LIMIT 0x39
#define TMP468_LOCAL_HIGH_LIMT 0x3a
#define TMP468_REMOTE1_OFFSET 0x40
#define TMP468_REMOTE1_NFACTOR 0x41
#define TMP468_REMOTE1_LOW_LIMIT 0x41
#define TMP468_REMOTE1_HIGH_LIMIT 0x42
#define TMP468_REMOTE2_OFFSET 0x48
#define TMP468_REMOTE2_NFACTOR 0x49
#define TMP468_REMOTE2_LOW_LIMIT 0x4a
#define TMP468_REMOTE2_HIGH_LIMIT 0x4b
#define TMP468_REMOTE3_OFFSET 0x50
#define TMP468_REMOTE3_NFACTOR 0x51
#define TMP468_REMOTE3_LOW_LIMIT 0x52
#define TMP468_REMOTE3_HIGH_LIMIT 0x53
#define TMP468_REMOTE4_OFFSET 0x58
#define TMP468_REMOTE4_NFACTOR 0x59
#define TMP468_REMOTE4_LOW_LIMIT 0x59
#define TMP468_REMOTE4_HIGH_LIMIT 0x5a
#define TMP468_REMOTE5_OFFSET 0x60
#define TMP468_REMOTE5_NFACTOR 0x61
#define TMP468_REMOTE5_LOW_LIMIT 0x62
#define TMP468_REMOTE5_HIGH_LIMIT 0x63
#define TMP468_REMOTE6_OFFSET 0x68
#define TMP468_REMOTE6_NFACTOR 0x69
#define TMP468_REMOTE6_LOW_LIMIT 0x6a
#define TMP468_REMOTE6_HIGH_LIMIT 0x6b
#define TMP468_REMOTE7_OFFSET 0x70
#define TMP468_REMOTE7_NFACTOR 0x71
#define TMP468_REMOTE7_LOW_LIMIT 0x72
#define TMP468_REMOTE7_HIGH_LIMIT 0x73
#define TMP468_REMOTE8_OFFSET 0x78
#define TMP468_REMOTE8_NFACTOR 0x79
#define TMP468_REMOTE8_LOW_LIMIT 0x7a
#define TMP468_REMOTE8_HIGH_LIMIT 0x7b
#define TMP468_LOCK 0xc4
#define TMP468_DEVICE_ID 0xfd
#define TMP468_MANUFACTURER_ID 0xfe
#define TMP468_SHUTDOWN BIT(5)
enum tmp468_channel_id {
TMP468_CHANNEL_LOCAL,
TMP468_CHANNEL_REMOTE1,
TMP468_CHANNEL_REMOTE2,
TMP468_CHANNEL_REMOTE3,
TMP468_CHANNEL_REMOTE4,
TMP468_CHANNEL_REMOTE5,
TMP468_CHANNEL_REMOTE6,
TMP468_CHANNEL_REMOTE7,
TMP468_CHANNEL_REMOTE8,
TMP468_CHANNEL_COUNT
};
enum tmp468_power_state {
TMP468_POWER_OFF = 0,
TMP468_POWER_ON,
TMP468_POWER_COUNT
};
/**
* 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 tmp468_get_val(int idx, int *temp_ptr);
/**
* Power control function of tmp432 temperature sensor.
*
* @param power_on TMP468_POWER_ON: turn tmp468 sensor on.
* TMP468_POWER_OFF: shut tmp468 sensor down.
*
* @return EC_SUCCESS if successful, non-zero if error.
*/
int tmp468_set_power(enum tmp468_power_state power_on);
#endif /* __CROS_EC_TMP468_H */
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