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| author | Alec Berg <alecaberg@chromium.org> | 2014-11-11 15:39:40 -0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-11-14 04:24:29 +0000 |
| commit | 8e024350d3c81c7b1b76eac7ce0b419d6039dbb5 (patch) | |
| tree | e3af8ce46ef928f5733a2198266af5143f1e4036 /board/host/usb_pd_policy.c | |
| parent | aad897775a77319e458be15a4d1d5a80a01359a1 (diff) | |
| download | chrome-ec-8e024350d3c81c7b1b76eac7ce0b419d6039dbb5.tar.gz | |
pd: add data role swap
Add support for DR_swap, data role swap command.
BUG=chrome-os-partner:33686, chrome-os-partner:28343
BRANCH=samus
TEST=test with samus and zinger. use "pd 1 swap data" command
and verify data role swaps by using twinkie and "pd 1 state".
Change-Id: I410309199cdeecb26847a6bf217523fdfe688cba
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/229192
Diffstat (limited to 'board/host/usb_pd_policy.c')
| -rw-r--r-- | board/host/usb_pd_policy.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/board/host/usb_pd_policy.c b/board/host/usb_pd_policy.c index b61b0a4349..8d927d0cb4 100644 --- a/board/host/usb_pd_policy.c +++ b/board/host/usb_pd_policy.c @@ -16,13 +16,15 @@ #define MAX_POWER_MW 60000 #define MAX_CURRENT_MA 3000 +#define PDO_FIXED_FLAGS (PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP) + const uint32_t pd_src_pdo[] = { - PDO_FIXED(5000, 900, PDO_FIXED_EXTERNAL), + PDO_FIXED(5000, 900, PDO_FIXED_FLAGS), }; const int pd_src_pdo_cnt = ARRAY_SIZE(pd_src_pdo); const uint32_t pd_snk_pdo[] = { - PDO_FIXED(5000, 500, PDO_FIXED_DUAL_ROLE), + PDO_FIXED(5000, 500, PDO_FIXED_FLAGS), PDO_BATT(5000, 20000, 15000), PDO_VAR(5000, 20000, 3000), }; @@ -149,6 +151,17 @@ int pd_power_swap(int port) return 1; } +int pd_data_swap(int port, int data_role) +{ + /* Always allow data swap */ + return 1; +} + +void pd_execute_data_swap(int port, int data_role) +{ + /* Do nothing */ +} + int pd_custom_vdm(int port, int cnt, uint32_t *payload, uint32_t **rpayload) { return 0; |