diff options
| author | Sam Hurst <shurst@google.com> | 2019-08-01 09:09:10 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-09-10 09:24:36 +0000 |
| commit | c32c1ae24c398679edae807f9c1620eb91377003 (patch) | |
| tree | f284f214e47729345cdd2d9c25add31a7449e7a0 /include/usb_prl_sm.h | |
| parent | 16ce272e65cae34ad1b0ad3e8a301e6e307ed49c (diff) | |
| download | chrome-ec-c32c1ae24c398679edae807f9c1620eb91377003.tar.gz | |
pd: USB Power Delivery State Machine based on Revision 3.0 of the spec.
Adds Power Delivery to the TypeC state machine as detailed in
Revision 3.0, Version 1.2 of the specification.
This CL passes the PD2.0 compliance tests and has been tested on
several devices. Some areas such as handling Electronically Marked
Cable information, creation of PIDs, and Host commands will be
addressed in later CLs.
BUG=b:130895206
BRANCH=none
TEST=manual
Port 0 on Hatch was used to run this CL, merged with PD functionality,
on the PD2.0 Compliance tester. All tests pass except for a few
physical layer tests. The test report has been added to the bug.
Atlas was verified to work with Apple, Amazon, StarTech, MKDGO and
several other generic docks.
Atlas was verified to work with Google's and Apple's CTVPD.
Signed-off-by: Sam Hurst <shurst@chromium.org>
Change-Id: Ia5e1988b0d81ec4cf9a7175e273197bd5a0865e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1737899
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Tested-by: Jett Rink <jettrink@chromium.org>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'include/usb_prl_sm.h')
| -rw-r--r-- | include/usb_prl_sm.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/usb_prl_sm.h b/include/usb_prl_sm.h index 4116bbe1a3..32b3ba8d06 100644 --- a/include/usb_prl_sm.h +++ b/include/usb_prl_sm.h @@ -18,6 +18,21 @@ #define N_RETRY_COUNT 2 /** + * Returns true if Protocol Layer State Machine is in run mode + * + * @param port USB-C port number + * @return 1 if state machine is running, else 0 + */ +int prl_is_running(int port); + +/** + * Resets the Protocol Layer State Machine + * + * @param port USB-C port number + */ +void prl_reset(int port); + +/** * Runs the Protocol Layer State Machine * * @param port USB-C port number |