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70f3fcaf86
This will be used for sleep/wake/sysjump/etc. For now it's just wired up to clock frequency changing. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=none TEST=manual: use nopll command, should still work Change-Id: Iedcea5830bc18eacfd955c29b8f793aba8905dd8
31 lines
871 B
C
31 lines
871 B
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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/* PECI module for Chrome EC */
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#ifndef __CROS_EC_PECI_H
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#define __CROS_EC_PECI_H
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#include "common.h"
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/* Initialize the module. */
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int peci_init(void);
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/* Return the current CPU temperature in degrees K, or -1 if error.
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*
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* Note that the PECI interface is currently a little flaky; if you get an
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* error, retry a bit later. */
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int peci_get_cpu_temp(void);
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/* Read the CPU temperature sensor via PECI. This interface is for the
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* temperature sensor module. Returns the temperature in degrees K, or -1 if
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* error. */
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int peci_temp_sensor_get_val(int idx);
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/* Temperature polling of CPU temperature sensor via PECI. */
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int peci_temp_sensor_poll(void);
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#endif /* __CROS_EC_PECI_H */
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