tcpm: update code to support multiple tcpm driver

BUG=chromium:593822
BRANCH=none
TEST=make buildall

Change-Id: Ic30c1b890da7639aa80a53040ecc5bebfb4be2e8
Signed-off-by: Kevin K Wong <kevin.k.wong@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/336030
Reviewed-by: Shawn N <shawnn@chromium.org>

1 files changed, 177 insertions, 0 deletions

diff --git a/driver/tcpm/tcpm.h b/driver/tcpm/tcpm.h
index 4c4ff6c9a2..16cf879f72 100644
--- a/driver/tcpm/tcpm.h
+++ b/driver/tcpm/tcpm.h
@@ -8,9 +8,12 @@
 #ifndef __CROS_EC_USB_PD_TCPM_TCPM_H
 #define __CROS_EC_USB_PD_TCPM_TCPM_H
 
+#include "common.h"
+#include "gpio.h"
 #include "i2c.h"
 #include "usb_pd_tcpm.h"
 
+#ifndef CONFIG_USB_PD_TCPC
 extern const struct tcpc_config_t tcpc_config[];
 
 /* I2C wrapper functions - get I2C port / slave addr from config struct. */
@@ -59,4 +62,178 @@ static inline void tcpc_lock(int port, int lock)
 	i2c_lock(tcpc_config[port].i2c_host_port, lock);
 }
 
+/* TCPM driver wrapper function */
+static inline int tcpm_init(int port)
+{
+	return tcpc_config[port].drv->init(port);
+}
+
+static inline int tcpm_get_cc(int port, int *cc1, int *cc2)
+{
+	return tcpc_config[port].drv->get_cc(port, cc1, cc2);
+}
+
+static inline int tcpm_get_vbus_level(int port)
+{
+	return tcpc_config[port].drv->get_vbus_level(port);
+}
+
+static inline int tcpm_set_cc(int port, int pull)
+{
+	return tcpc_config[port].drv->set_cc(port, pull);
+}
+
+static inline int tcpm_set_polarity(int port, int polarity)
+{
+	return tcpc_config[port].drv->set_polarity(port, polarity);
+}
+
+static inline int tcpm_set_vconn(int port, int enable)
+{
+	return tcpc_config[port].drv->set_vconn(port, enable);
+}
+
+static inline int tcpm_set_msg_header(int port, int power_role, int data_role)
+{
+	return tcpc_config[port].drv->set_msg_header(port, power_role,
+						     data_role);
+}
+
+static inline int tcpm_set_rx_enable(int port, int enable)
+{
+	return tcpc_config[port].drv->set_rx_enable(port, enable);
+}
+
+static inline int tcpm_get_message(int port, uint32_t *payload, int *head)
+{
+	return tcpc_config[port].drv->get_message(port, payload, head);
+}
+
+static inline int tcpm_transmit(int port, enum tcpm_transmit_type type,
+		  uint16_t header, const uint32_t *data)
+{
+	return tcpc_config[port].drv->transmit(port, type, header, data);
+}
+
+static inline void tcpc_alert(int port)
+{
+	tcpc_config[port].drv->tcpc_alert(port);
+}
+
+#else
+
+/**
+ * Initialize TCPM driver and wait for TCPC readiness.
+ *
+ * @param port Type-C port number
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_init(int port);
+
+/**
+ * Read the CC line status.
+ *
+ * @param port Type-C port number
+ * @param cc1 pointer to CC status for CC1
+ * @param cc2 pointer to CC status for CC2
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_get_cc(int port, int *cc1, int *cc2);
+
+/**
+ * Read VBUS
+ *
+ * @param port Type-C port number
+ *
+ * @return 0 => VBUS not detected, 1 => VBUS detected
+ */
+int tcpm_get_vbus_level(int port);
+
+/**
+ * Set the CC pull resistor. This sets our role as either source or sink.
+ *
+ * @param port Type-C port number
+ * @param pull One of enum tcpc_cc_pull
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_set_cc(int port, int pull);
+
+/**
+ * Set polarity
+ *
+ * @param port Type-C port number
+ * @param polarity 0=> transmit on CC1, 1=> transmit on CC2
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_set_polarity(int port, int polarity);
+
+/**
+ * Set Vconn.
+ *
+ * @param port Type-C port number
+ * @param polarity Polarity of the CC line to read
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_set_vconn(int port, int enable);
+
+/**
+ * Set PD message header to use for goodCRC
+ *
+ * @param port Type-C port number
+ * @param power_role Power role to use in header
+ * @param data_role Data role to use in header
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_set_msg_header(int port, int power_role, int data_role);
+
+/**
+ * Set RX enable flag
+ *
+ * @param port Type-C port number
+ * @enable true for enable, false for disable
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_set_rx_enable(int port, int enable);
+
+/**
+ * Read last received PD message.
+ *
+ * @param port Type-C port number
+ * @param payload Pointer to location to copy payload of message
+ * @param header of message
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_get_message(int port, uint32_t *payload, int *head);
+
+/**
+ * Transmit PD message
+ *
+ * @param port Type-C port number
+ * @param type Transmit type
+ * @param header Packet header
+ * @param cnt Number of bytes in payload
+ * @param data Payload
+ *
+ * @return EC_SUCCESS or error
+ */
+int tcpm_transmit(int port, enum tcpm_transmit_type type, uint16_t header,
+		  const uint32_t *data);
+
+/**
+ * TCPC is asserting alert
+ *
+ * @param port Type-C port number
+ */
+void tcpc_alert(int port);
+
+#endif
+
 #endif