mirror of
https://github.com/Telecominfraproject/OpenCellular.git
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ee3edc0116
We can clear the reset cause in system pre-init now because of a previous change which preserves it across a sysjump. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=none TEST=if it boots, it works Change-Id: I1d8b99df5a0be0de9545d22ad1a6b7fb3140f813
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Temperature sensor module for Chrome EC */
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#ifndef __CROS_EC_TEMP_SENSOR_H
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#define __CROS_EC_TEMP_SENSOR_H
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#include "common.h"
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#include "board.h"
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#define TEMP_SENSOR_POWER_NONE 0x0
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#define TEMP_SENSOR_POWER_VS 0x1
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#define TEMP_SENSOR_POWER_CPU 0x2
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/* "enum temp_sensor_id" must be defined for each board in board.h. */
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enum temp_sensor_id;
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/* Type of temperature sensors. */
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enum temp_sensor_type {
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/* CPU temperature sensors. */
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TEMP_SENSOR_TYPE_CPU = 0,
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/* Other on-board temperature sensors. */
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TEMP_SENSOR_TYPE_BOARD,
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/* Case temperature sensors. */
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TEMP_SENSOR_TYPE_CASE,
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TEMP_SENSOR_TYPE_COUNT
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};
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struct temp_sensor_t {
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const char* name;
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/* Flags indicating power needed by temp sensor. */
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int8_t power_flags;
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/* Temperature sensor type. */
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enum temp_sensor_type type;
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/* Read sensor value and return temperature in K. */
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int (*read)(int idx);
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/* Index among the same kind of sensors. */
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int idx;
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};
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/* Return the most recently measured temperature for the sensor in K,
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* or -1 if error. */
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int temp_sensor_read(enum temp_sensor_id id);
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/* Return non-zero if sensor is powered. */
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int temp_sensor_powered(enum temp_sensor_id id);
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#endif /* __CROS_EC_TEMP_SENSOR_H */
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