diff options
Diffstat (limited to 'driver/temp_sensor/tmp432.h')
| -rw-r--r-- | driver/temp_sensor/tmp432.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/driver/temp_sensor/tmp432.h b/driver/temp_sensor/tmp432.h deleted file mode 100644 index e58e39a4a0..0000000000 --- a/driver/temp_sensor/tmp432.h +++ /dev/null @@ -1,143 +0,0 @@ -/* Copyright 2013 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. - */ - -/* TMP432 temperature sensor module for Chrome EC */ - -#ifndef __CROS_EC_TMP432_H -#define __CROS_EC_TMP432_H - -#define TMP432_I2C_ADDR_FLAGS 0x4C - -#define TMP432_IDX_LOCAL 0 -#define TMP432_IDX_REMOTE1 1 -#define TMP432_IDX_REMOTE2 2 -#define TMP432_IDX_COUNT 3 - -/* Chip-specific registers */ -#define TMP432_LOCAL 0x00 -#define TMP432_REMOTE1 0x01 -#define TMP432_STATUS 0x02 -#define TMP432_CONFIGURATION1_R 0x03 -#define TMP432_CONVERSION_RATE_R 0x04 -#define TMP432_LOCAL_HIGH_LIMIT_R 0x05 -#define TMP432_LOCAL_LOW_LIMIT_R 0x06 -#define TMP432_REMOTE1_HIGH_LIMIT_R 0x07 -#define TMP432_REMOTE1_LOW_LIMIT_R 0x08 -#define TMP432_CONFIGURATION1_W 0x09 -#define TMP432_CONVERSION_RATE_W 0x0a -#define TMP432_LOCAL_HIGH_LIMIT_W 0x0b -#define TMP432_LOCAL_LOW_LIMIT_W 0x0c -#define TMP432_REMOTE1_HIGH_LIMIT_W 0x0d -#define TMP432_REMOTE1_LOW_LIMIT_W 0x0e -#define TMP432_ONESHOT 0x0f -#define TMP432_REMOTE1_EXTD 0x10 -#define TMP432_REMOTE1_HIGH_LIMIT_EXTD 0x13 -#define TMP432_REMOTE1_LOW_LIMIT_EXTD 0x14 -#define TMP432_REMOTE2_HIGH_LIMIT_R 0x15 -#define TMP432_REMOTE2_HIGH_LIMIT_W 0x15 -#define TMP432_REMOTE2_LOW_LIMIT_R 0x16 -#define TMP432_REMOTE2_LOW_LIMIT_W 0x16 -#define TMP432_REMOTE2_HIGH_LIMIT_EXTD 0x17 -#define TMP432_REMOTE2_LOW_LIMIT_EXTD 0x18 -#define TMP432_REMOTE1_THERM_LIMIT 0x19 -#define TMP432_REMOTE2_THERM_LIMIT 0x1a -#define TMP432_STATUS_FAULT 0x1b -#define TMP432_CHANNEL_MASK 0x1f -#define TMP432_LOCAL_THERM_LIMIT 0x20 -#define TMP432_THERM_HYSTERESIS 0x21 -#define TMP432_CONSECUTIVE_ALERT 0x22 -#define TMP432_REMOTE2 0x23 -#define TMP432_REMOTE2_EXTD 0x24 -#define TMP432_BETA_RANGE_CH1 0x25 -#define TMP432_BETA_RANGE_CH2 0x26 -#define TMP432_NFACTOR_REMOTE1 0x27 -#define TMP432_NFACTOR_REMOTE2 0x28 -#define TMP432_LOCAL_EXTD 0x29 -#define TMP432_STATUS_LIMIT_HIGH 0x35 -#define TMP432_STATUS_LIMIT_LOW 0x36 -#define TMP432_STATUS_THERM 0x37 -#define TMP432_LOCAL_HIGH_LIMIT_EXTD 0x3d -#define TMP432_LOCAL_LOW_LIMIT_EXTD 0x3e -#define TMP432_CONFIGURATION2_R 0x3f -#define TMP432_CONFIGURATION2_W 0x3f -#define TMP432_RESET_W 0xfc -#define TMP432_DEVICE_ID 0xfd -#define TMP432_MANUFACTURER_ID 0xfe - -/* Config register bits */ -#define TMP432_CONFIG1_TEMP_RANGE BIT(2) -/* TMP432_CONFIG1_MODE bit is use to enable THERM mode */ -#define TMP432_CONFIG1_MODE BIT(5) -#define TMP432_CONFIG1_RUN_L BIT(6) -#define TMP432_CONFIG1_ALERT_MASK_L BIT(7) -#define TMP432_CONFIG2_RESISTANCE_CORRECTION BIT(2) -#define TMP432_CONFIG2_LOCAL_ENABLE BIT(3) -#define TMP432_CONFIG2_REMOTE1_ENABLE BIT(4) -#define TMP432_CONFIG2_REMOTE2_ENABLE BIT(5) - -/* Status register bits */ -#define TMP432_STATUS_TEMP_THERM_ALARM BIT(1) -#define TMP432_STATUS_OPEN BIT(2) -#define TMP432_STATUS_TEMP_LOW_ALARM BIT(3) -#define TMP432_STATUS_TEMP_HIGH_ALARM BIT(4) -#define TMP432_STATUS_BUSY BIT(7) - -/* Limintaions */ -#define TMP432_HYSTERESIS_HIGH_LIMIT 255 -#define TMP432_HYSTERESIS_LOW_LIMIT 0 - -enum tmp432_power_state { - TMP432_POWER_OFF = 0, - TMP432_POWER_ON, - TMP432_POWER_COUNT -}; - -enum tmp432_channel_id { - TMP432_CHANNEL_LOCAL, - TMP432_CHANNEL_REMOTE1, - TMP432_CHANNEL_REMOTE2, - - TMP432_CHANNEL_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 tmp432_get_val(int idx, int *temp_ptr); - -/** - * Power control function of tmp432 temperature sensor. - * - * @param power_on TMP432_POWER_ON: turn tmp432 sensor on. - * TMP432_POWER_OFF: shut tmp432 sensor down. - * - * @return EC_SUCCESS if successful, non-zero if error. - */ -int tmp432_set_power(enum tmp432_power_state power_on); - -/* - * Set TMP432 ALERT#/THERM2# pin to THERM mode, and give a limit - * for a specific channel. - * - * @param channel specific a channel - * - * @param limit_c High limit temperature, default: 85C - * - * @param hysteresis Hysteresis temperature, default: 10C - * All channels share the same hysteresis - * - * In THERM mode, ALERT# pin will trigger(Low) by itself when any - * channel's temperature is greater( >= )than channel's limit_c, - * and release(High) by itself when channel's temperature is lower - * than (limit_c - hysteresis) - */ -int tmp432_set_therm_limit(int channel, int limit_c, int hysteresis); -#endif /* __CROS_EC_TMP432_H */ |