intel/common/block: Move mainboard api to tcss common block

As per the comments in CB:54090  mainboard api
mainboard_tcss_get_port_info() is simplified and moved to tcss common
block code.

Signed-off-by: Deepti Deshatty <deepti.deshatty@intel.com>
Change-Id: I7894363df4862f7cfe733d93e6160677fb8a9e31
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54733
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>

src/drivers/intel/pmc_mux/conn/chip.h

@@ -23,4 +23,12 @@ struct drivers_intel_pmc_mux_conn_config {
 	enum typec_orientation hsl_orientation;
 };
 
+/*
+ * Method verifies input "conn" device.
+ * Returns 'true' if device passed is Intel PMC MUX Conn device else returns 'false'.
+ * Method also outputs the usb2 and usb3 port numbers associated with the 'conn' device
+ */
+bool intel_pmc_mux_conn_get_ports(const struct device *conn, unsigned int *usb2_port,
+				unsigned int *usb3_port);
+
 #endif /* __DRIVERS_INTEL_PMC_MUX_CONN_H__ */

src/drivers/intel/pmc_mux/conn/conn.c

@@ -85,3 +85,18 @@ struct chip_operations drivers_intel_pmc_mux_conn_ops = {
 	CHIP_NAME("Intel PMC MUX CONN Driver")
 	.enable_dev	= conn_enable,
 };
+
+bool intel_pmc_mux_conn_get_ports(const struct device *conn, unsigned int *usb2_port,
+					unsigned int *usb3_port)
+{
+	const struct drivers_intel_pmc_mux_conn_config *mux_config;
+
+	if (!conn->chip_info || conn->chip_ops != &drivers_intel_pmc_mux_conn_ops)
+		return false;
+
+	mux_config = conn->chip_info;
+	*usb2_port = mux_config->usb2_port_number;
+	*usb3_port = mux_config->usb3_port_number;
+
+	return true;
+};