diff options
author | Aseda Aboagye <aaboagye@google.com> | 2017-11-27 11:11:14 -0800 |
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committer | chrome-bot <chrome-bot@chromium.org> | 2017-12-05 22:43:45 -0800 |
commit | 9c4008e35c291017c7a0ffbe96e1e5d9df8a0e5a (patch) | |
tree | be29cf3f63098c673b122425c09521816dea318a /include/usbc_ppc.h | |
parent | 9300c0d470f3d266465731b941075f6d0a321636 (diff) | |
download | chrome-ec-9c4008e35c291017c7a0ffbe96e1e5d9df8a0e5a.tar.gz |
ppc: Add common APIs.
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>
Diffstat (limited to 'include/usbc_ppc.h')
-rw-r--r-- | include/usbc_ppc.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/usbc_ppc.h b/include/usbc_ppc.h new file mode 100644 index 0000000000..0af3e766e3 --- /dev/null +++ b/include/usbc_ppc.h @@ -0,0 +1,40 @@ +/* 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. + */ + +#ifndef __CROS_EC_USBC_PPC_H +#define __CROS_EC_USBC_PPC_H + +#include "common.h" + + +/* Common APIs for USB Type-C Power Path Controllers (PPC) */ + +/** + * Is the port sourcing Vbus? + * + * @param port: The type c port. + * @return 1 if sourcing Vbus, 0 if not. + */ +int ppc_is_sourcing_vbus(int port); + +/** + * Allow current to flow into the system. + * + * @param port: The Type-C port's FET to open. + * @param enable: 1: Turn on the FET, 0: turn off the FET. + * @return EC_SUCCESS on success, error otherwise. + */ +int ppc_vbus_sink_enable(int port, int enable); + +/** + * Allow current out of the system. + * + * @param port: The Type-C port's FET to open. + * @param enable: 1: Turn on the FET, 0: turn off the FET. + * @return EC_SUCCESS on success, error otherwise. + */ +int ppc_vbus_source_enable(int port, int enable); + +#endif /* !defined(__CROS_EC_USBC_PPC_H) */ |