TCPMv1/v2: Move PD & Partner type detection code to common file

BUG=b:148528713
BRANCH=none
TEST=make buildall -j

Change-Id: Icb9dfe998df889e8e2d6de7776d9889295115708
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2052644
Reviewed-by: Keith Short <keithshort@chromium.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/common/usb_common.c b/common/usb_common.c
index fa568601ab..660098b5cd 100644
--- a/common/usb_common.c
+++ b/common/usb_common.c
@@ -153,6 +153,27 @@ enum pd_cc_states pd_get_cc_state(
 	return PD_CC_NONE;
 }
 
+/**
+ * This function checks the current CC status of the port partner
+ * and returns true if the attached partner is UFP.
+ */
+bool pd_partner_is_ufp(int port)
+{
+	enum pd_cc_states cc_state = pd_get_task_cc_state(port);
+
+	return cc_state == PD_CC_UFP_ATTACHED ||
+		cc_state == PD_CC_UFP_DEBUG_ACC ||
+		cc_state == PD_CC_UFP_AUDIO_ACC;
+}
+
+bool pd_is_debug_acc(int port)
+{
+	enum pd_cc_states cc_state = pd_get_task_cc_state(port);
+
+	return cc_state == PD_CC_UFP_DEBUG_ACC ||
+		cc_state == PD_CC_DFP_DEBUG_ACC;
+}
+
 __overridable int pd_board_check_request(uint32_t rdo, int pdo_cnt)
 {
 	return EC_SUCCESS;