ec/google/chromeec: Add new wrappers for host commands

Add new functions to get (from the EC):
1) The number of USB-PD ports
2) The capabilities of each port (EC_CMD_GET_PD_PORT_CAPS)

BUG=b:146506369
BRANCH=none
TEST=Instrumented calls to these and verified the data

Change-Id: I57edbe1592cd28b005f01679ef8a8b5de3e1f586
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38540
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h
index d90d24c767..5ce375e00b 100644
--- a/src/ec/google/chromeec/ec.h
+++ b/src/ec/google/chromeec/ec.h
@@ -299,4 +299,34 @@ int google_chromeec_get_protocol_info(
  */
 int google_chromeec_get_cmd_versions(int command, uint32_t *pmask);
 
+/**
+ * Get number of PD-capable USB ports from EC.
+ *
+ * @param *num_ports	If successful, num_ports is the number
+ *			of PD-capable USB ports according to the EC.
+ * @return		0 on success, -1 on error
+ */
+int google_chromeec_get_num_pd_ports(int *num_ports);
+
+/* Structure representing the capabilities of a USB-PD port */
+struct usb_pd_port_caps {
+	enum ec_pd_power_role_caps power_role_cap;
+	enum ec_pd_try_power_role_caps try_power_role_cap;
+	enum ec_pd_data_role_caps data_role_cap;
+	enum ec_pd_port_location port_location;
+};
+
+/**
+ * Get role-based capabilities for a USB-PD port
+ *
+ * @param port			Which port to get information about
+ * @param *power_role_cap	The power-role capabillity of the port
+ * @param *try_power_role_cap	The Try-power-role capability of the port
+ * @param *data_role_cap	The data role capability of the port
+ * @param *port_location	Location of the port on the device
+ * @return			0 on success, -1 on error
+ */
+int google_chromeec_get_pd_port_caps(int port,
+				struct usb_pd_port_caps *port_caps);
+
 #endif /* _EC_GOOGLE_CHROMEEC_EC_H */