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| author | Scott <scollyer@chromium.org> | 2015-06-19 11:03:34 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-07-08 19:34:14 +0000 |
| commit | e9cd22921615ab4c8c10749f0ac2129def4bcb93 (patch) | |
| tree | 1f85534b6b8cfa697c34bff2a843724d56baece0 /include/usb_pd.h | |
| parent | 4cd2b6c011a7337dcdc3686336e2e1ce24ca419a (diff) | |
| download | chrome-ec-e9cd22921615ab4c8c10749f0ac2129def4bcb93.tar.gz | |
pd: Add Try.SRC functionality to the pd_protocol state machine
1. Added new config option CONFIG_USB_PD_TRY_SRC
2. Added pd_try_source_enable global flag with console command
3. Added bit to pd.flags to indicate Try.SRC states are active
BUG=chrome-os-partner:39724
TEST=Manual samus to samus with the Try.SRC enabled on both and just
one samus. Tested Samus to Honeybuns and Samus to Zinger connections.
BRANCH=TOT
Change-Id: Ifa5d5d82e443f376e546aaf852ff24d92ef04d72
Signed-off-by: Scott Collyer <scollyer@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/282052
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Tested-by: Alec Berg <alecaberg@chromium.org>
Diffstat (limited to 'include/usb_pd.h')
| -rw-r--r-- | include/usb_pd.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/usb_pd.h b/include/usb_pd.h index a5bfe7ab3b..6950e8065b 100644 --- a/include/usb_pd.h +++ b/include/usb_pd.h @@ -160,6 +160,8 @@ enum pd_rx_errors { #define PD_T_BIST_TRANSMIT (50*MSEC) /* 50ms (used for task_wait arg) */ #define PD_T_BIST_RECEIVE (60*MSEC) /* 60ms (max time to process bist) */ #define PD_T_VCONN_SOURCE_ON (100*MSEC) /* 100ms */ +#define PD_T_TRY_SRC (125*MSEC) /* Max time for Try.SRC state */ +#define PD_T_TRY_WAIT (600*MSEC) /* Max time for TryWait.SNK state */ /* number of edges and time window to detect CC line is not idle */ #define PD_RX_TRANSITION_COUNT 3 @@ -699,6 +701,7 @@ enum pd_states { #define PD_FLAGS_CHECK_DR_ROLE (1 << 10)/* check data role in READY */ #define PD_FLAGS_PARTNER_EXTPOWER (1 << 11)/* port partner has external pwr */ #define PD_FLAGS_VCONN_ON (1 << 12)/* vconn is being sourced */ +#define PD_FLAGS_TRY_SRC (1 << 13)/* Try.SRC states are active */ /* Flags to clear on a disconnect */ #define PD_FLAGS_RESET_ON_DISCONNECT_MASK (PD_FLAGS_PARTNER_DR_POWER | \ PD_FLAGS_PARTNER_DR_DATA | \ @@ -710,7 +713,8 @@ enum pd_states { PD_FLAGS_CHECK_PR_ROLE | \ PD_FLAGS_CHECK_DR_ROLE | \ PD_FLAGS_PARTNER_EXTPOWER | \ - PD_FLAGS_VCONN_ON) + PD_FLAGS_VCONN_ON | \ + PD_FLAGS_TRY_SRC) enum pd_cc_states { |