mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2026-01-07 16:11:43 +00:00
bf24d5b264
modify g781.c/.h to g78x.c/.h to suppor both G781/G782 temp sensor based on CONFIG_TEMP_SENSOR_G781 or CONFIG_TEMP_SENSOR_G782 BUG=none BRANCH=none TEST=make buildall; able to get temperature data on board with G782 Change-Id: Ia32c85e9964bfd7c0c5263f04368bc001a27fe10 Signed-off-by: Kevin K Wong <kevin.k.wong@intel.com> Reviewed-on: https://chromium-review.googlesource.com/334228 Reviewed-by: Shawn N <shawnn@chromium.org>
141 lines
4.9 KiB
C
141 lines
4.9 KiB
C
/* 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 0x98 /* 7-bit address is 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 (1 << 6)
|
|
#define G78X_CONFIGURATION_ALERT_MASK (1 << 7)
|
|
|
|
/* Status register bits */
|
|
#define G78X_STATUS_LOCAL_TEMP_THERM_ALARM (1 << 0)
|
|
#define G78X_STATUS_REMOTE1_TEMP_THERM_ALARM (1 << 1)
|
|
#define G78X_STATUS_REMOTE1_TEMP_FAULT (1 << 2)
|
|
#define G78X_STATUS_REMOTE1_TEMP_LOW_ALARM (1 << 3)
|
|
#define G78X_STATUS_REMOTE1_TEMP_HIGH_ALARM (1 << 4)
|
|
#define G78X_STATUS_LOCAL_TEMP_LOW_ALARM (1 << 5)
|
|
#define G78X_STATUS_LOCAL_TEMP_HIGH_ALARM (1 << 6)
|
|
#define G78X_STATUS_BUSY (1 << 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 (1 << 5)
|
|
#define G78X_CONFIGURATION_STANDBY (1 << 6)
|
|
#define G78X_CONFIGURATION_ALERT_MASK (1 << 7)
|
|
|
|
/* Status register bits */
|
|
#define G78X_STATUS_LOCAL_TEMP_LOW_ALARM (1 << 0)
|
|
#define G78X_STATUS_LOCAL_TEMP_HIGH_ALARM (1 << 1)
|
|
#define G78X_STATUS_LOCAL_TEMP_THERM_ALARM (1 << 2)
|
|
#define G78X_STATUS_REMOTE2_TEMP_THERM_ALARM (1 << 3)
|
|
#define G78X_STATUS_REMOTE1_TEMP_THERM_ALARM (1 << 4)
|
|
#define G78X_STATUS_REMOTE2_TEMP_FAULT (1 << 5)
|
|
#define G78X_STATUS_REMOTE1_TEMP_FAULT (1 << 6)
|
|
#define G78X_STATUS_BUSY (1 << 7)
|
|
|
|
/* Status1 register bits */
|
|
#define G78X_STATUS_REMOTE2_TEMP_LOW_ALARM (1 << 4)
|
|
#define G78X_STATUS_REMOTE2_TEMP_HIGH_ALARM (1 << 5)
|
|
#define G78X_STATUS_REMOTE1_TEMP_LOW_ALARM (1 << 6)
|
|
#define G78X_STATUS_REMOTE1_TEMP_HIGH_ALARM (1 << 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 */
|