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Diffstat (limited to 'driver/temp_sensor/adt7481.h')
| -rw-r--r-- | driver/temp_sensor/adt7481.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/driver/temp_sensor/adt7481.h b/driver/temp_sensor/adt7481.h deleted file mode 100644 index 78541a0a3b..0000000000 --- a/driver/temp_sensor/adt7481.h +++ /dev/null @@ -1,178 +0,0 @@ -/* Copyright 2017 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. - */ - -/* ADT7481 temperature sensor module for Chrome EC */ - -#ifndef __CROS_EC_ADT7481_H -#define __CROS_EC_ADT7481_H - -#define ADT7481_I2C_ADDR_FLAGS 0x4B - -#define ADT7481_IDX_LOCAL 0 -#define ADT7481_IDX_REMOTE1 1 -#define ADT7481_IDX_REMOTE2 2 - -/* Chip-specific registers */ -#define ADT7481_LOCAL 0x00 -#define ADT7481_REMOTE1 0x01 -#define ADT7481_STATUS1_R 0x02 -#define ADT7481_CONFIGURATION1_R 0x03 -#define ADT7481_CONVERSION_RATE_R 0x04 -#define ADT7481_LOCAL_HIGH_LIMIT_R 0x05 -#define ADT7481_LOCAL_LOW_LIMIT_R 0x06 -#define ADT7481_REMOTE1_HIGH_LIMIT_R 0x07 -#define ADT7481_REMOTE1_LOW_LIMIT_R 0x08 -#define ADT7481_CONFIGURATION1_W 0x09 -#define ADT7481_CONVERSION_RATE_W 0x0a -#define ADT7481_LOCAL_HIGH_LIMIT_W 0x0b -#define ADT7481_LOCAL_LOW_LIMIT_W 0x0c -#define ADT7481_REMOTE1_HIGH_LIMIT_W 0x0d -#define ADT7481_REMOTE1_LOW_LIMIT_W 0x0e -#define ADT7481_ONESHOT_W 0x0f -#define ADT7481_REMOTE1_EXTD_R 0x10 -#define ADT7481_REMOTE1_OFFSET 0x11 -#define ADT7481_REMOTE1_OFFSET_EXTD 0x12 -#define ADT7481_REMOTE1_HIGH_LIMIT_EXTD 0x13 -#define ADT7481_REMOTE1_LOW_LIMIT_EXTD 0x14 -#define ADT7481_REMOTE1_THERM_LIMIT 0x19 -#define ADT7481_LOCAL_THERM_LIMIT 0x20 -#define ADT7481_THERM_HYSTERESIS 0x21 -#define ADT7481_CONSECUTIVE_ALERT 0x22 -#define ADT7481_STATUS2_R 0x23 -#define ADT7481_CONFIGURATION2 0x24 -#define ADT7481_REMOTE2 0x30 -#define ADT7481_REMOTE2_HIGH_LIMIT 0x31 -#define ADT7481_REMOTE2_LOW_LIMIT 0x32 -#define ADT7481_REMOTE2_EXTD_R 0x33 -#define ADT7481_REMOTE2_OFFSET 0x34 -#define ADT7481_REMOTE2_OFFSET_EXTD 0x35 -#define ADT7481_REMOTE2_HIGH_LIMIT_EXTD 0x36 -#define ADT7481_REMOTE2_LOW_LIMIT_EXTD 0x37 -#define ADT7481_REMOTE2_THERM_LIMIT 0x39 -#define ADT7481_DEVICE_ID 0x3d -#define ADT7481_MANUFACTURER_ID 0x3e - -/* Config1 register bits */ -#define ADT7481_CONFIG1_REMOTE1_ALERT_MASK BIT(0) -#define ADT7481_CONFIG1_REMOTE2_ALERT_MASK BIT(1) -#define ADT7481_CONFIG1_TEMP_RANGE BIT(2) -#define ADT7481_CONFIG1_SEL_REMOTE2 BIT(3) -/* ADT7481_CONFIG1_MODE bit is use to enable THERM mode */ -#define ADT7481_CONFIG1_MODE BIT(5) -#define ADT7481_CONFIG1_RUN_L BIT(6) -/* mask all alerts on ALERT# pin */ -#define ADT7481_CONFIG1_ALERT_MASK_L BIT(7) - -/* Config2 register bits */ -#define ADT7481_CONFIG2_LOCK BIT(7) - -/* Conversion Rate/Channel Select Register */ -#define ADT7481_CONV_RATE_MASK (0x0f) -#define ADT7481_CONV_RATE_16S (0x00) -#define ADT7481_CONV_RATE_8S (0x01) -#define ADT7481_CONV_RATE_4S (0x02) -#define ADT7481_CONV_RATE_2S (0x03) -#define ADT7481_CONV_RATE_1S (0x04) -#define ADT7481_CONV_RATE_500MS (0x05) -#define ADT7481_CONV_RATE_250MS (0x06) -#define ADT7481_CONV_RATE_125MS (0x07) -#define ADT7481_CONV_RATE_62500US (0x08) -#define ADT7481_CONV_RATE_31250US (0x09) -#define ADT7481_CONV_RATE_15500US (0x0a) -/* continuous mode 73 ms averaging */ -#define ADT7481_CONV_RATE_73MS_AVE (0x0b) -#define ADT7481_CONV_CHAN_SELECT_MASK (0x30) -#define ADT7481_CONV_CHAN_SEL_ROUND_ROBIN (0 << 4) -#define ADT7481_CONV_CHAN_SEL_LOCAL BIT(4) -#define ADT7481_CONV_CHAN_SEL_REMOTE1 (2 << 4) -#define ADT7481_CONV_CHAN_SEL_REMOTE2 (3 << 4) -#define ADT7481_CONV_AVERAGING_L BIT(7) - - -/* Status1 register bits */ -#define ADT7481_STATUS1_LOCAL_THERM_ALARM BIT(0) -#define ADT7481_STATUS1_REMOTE1_THERM_ALARM BIT(1) -#define ADT7481_STATUS1_REMOTE1_OPEN BIT(2) -#define ADT7481_STATUS1_REMOTE1_LOW_ALARM BIT(3) -#define ADT7481_STATUS1_REMOTE1_HIGH_ALARM BIT(4) -#define ADT7481_STATUS1_LOCAL_LOW_ALARM BIT(5) -#define ADT7481_STATUS1_LOCAL_HIGH_ALARM BIT(6) -#define ADT7481_STATUS1_BUSY BIT(7) - -/* Status2 register bits */ -#define ADT7481_STATUS2_ALERT BIT(0) -#define ADT7481_STATUS2_REMOTE2_THERM_ALARM BIT(1) -#define ADT7481_STATUS2_REMOTE2_OPEN BIT(2) -#define ADT7481_STATUS2_REMOTE2_LOW_ALARM BIT(3) -#define ADT7481_STATUS2_REMOTE2_HIGH_ALARM BIT(4) - -/* Consecutive Alert register */ -#define ADT7481_CONSEC_MASK (0xf) -#define ADT7481_CONSEC_1 (0x0) -#define ADT7481_CONSEC_2 (0x2) -#define ADT7481_CONSEC_3 (0x6) -#define ADT7481_CONSEC_4 (0xe) -#define ADT7481_CONSEC_EN_SCL_TIMEOUT BIT(5) -#define ADT7481_CONSEC_EN_SDA_TIMEOUT BIT(6) -#define ADT7481_CONSEC_MASK_LOCAL_ALERT BIT(7) - - -/* Limits */ -#define ADT7481_HYSTERESIS_HIGH_LIMIT 255 -#define ADT7481_HYSTERESIS_LOW_LIMIT 0 - -enum adt7481_power_state { - ADT7481_POWER_OFF = 0, - ADT7481_POWER_ON, - ADT7481_POWER_COUNT -}; - -enum adt7481_channel_id { - ADT7481_CHANNEL_LOCAL, - ADT7481_CHANNEL_REMOTE1, - ADT7481_CHANNEL_REMOTE2, - - ADT7481_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 adt7481_get_val(int idx, int *temp_ptr); - -/** - * Power control function of ADT7481 temperature sensor. - * - * @param power_on ADT7481_POWER_ON: turn ADT7481 sensor on. - * ADT7481_POWER_OFF: shut ADT7481 sensor down. - * - * @return EC_SUCCESS if successful, non-zero if error. - */ -int adt7481_set_power(enum adt7481_power_state power_on); - -/* - * Set ADT7481 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 adt7481_set_therm_limit(int channel, int limit_c, int hysteresis); -#endif /* __CROS_EC_ADT7481_H */ |