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9c4008e35c
It'll be easier to add support for new PPCs if we make a generic API. BUG=None BRANCH=None TEST=make -j buildall Change-Id: I9aac1750eb4c163eb2b94aa8975c797f86d0a25a Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/791499 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/* Copyright 2017 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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#ifndef __CROS_EC_USBC_PPC_H
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#define __CROS_EC_USBC_PPC_H
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#include "common.h"
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/* Common APIs for USB Type-C Power Path Controllers (PPC) */
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/**
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* Is the port sourcing Vbus?
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*
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* @param port: The type c port.
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* @return 1 if sourcing Vbus, 0 if not.
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*/
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int ppc_is_sourcing_vbus(int port);
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/**
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* Allow current to flow into the system.
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*
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* @param port: The Type-C port's FET to open.
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* @param enable: 1: Turn on the FET, 0: turn off the FET.
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* @return EC_SUCCESS on success, error otherwise.
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*/
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int ppc_vbus_sink_enable(int port, int enable);
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/**
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* Allow current out of the system.
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*
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* @param port: The Type-C port's FET to open.
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* @param enable: 1: Turn on the FET, 0: turn off the FET.
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* @return EC_SUCCESS on success, error otherwise.
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*/
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int ppc_vbus_source_enable(int port, int enable);
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#endif /* !defined(__CROS_EC_USBC_PPC_H) */
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