usb: typec: tcpci: Move function "tcpci_to_typec_cc" to common

Move transition function "tcpci_to_typec_cc" to common header

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Gene Chen <gene_chen@richtek.com>
Link: https://lore.kernel.org/r/20220805071714.150882-7-gene.chen.richtek@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/typec/tcpm/tcpci.c

@@ -27,11 +27,6 @@
 #define	VPPS_VALID_MIN_MV			100
 #define	VSINKDISCONNECT_PD_MIN_PERCENT		90
 
-#define tcpc_presenting_rd(reg, cc) \
-	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
-	 (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
-	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
-
 struct tcpci {
 	struct device *dev;
 
@@ -218,23 +213,6 @@ static int tcpci_start_toggling(struct tcpc_dev *tcpc,
 			    TCPC_CMD_LOOK4CONNECTION);
 }
 
-static enum typec_cc_status tcpci_to_typec_cc(unsigned int cc, bool sink)
-{
-	switch (cc) {
-	case 0x1:
-		return sink ? TYPEC_CC_RP_DEF : TYPEC_CC_RA;
-	case 0x2:
-		return sink ? TYPEC_CC_RP_1_5 : TYPEC_CC_RD;
-	case 0x3:
-		if (sink)
-			return TYPEC_CC_RP_3_0;
-		fallthrough;
-	case 0x0:
-	default:
-		return TYPEC_CC_OPEN;
-	}
-}
-
 static int tcpci_get_cc(struct tcpc_dev *tcpc,
 			enum typec_cc_status *cc1, enum typec_cc_status *cc2)
 {

include/linux/usb/tcpci.h

@@ -167,6 +167,11 @@
 /* I2C_WRITE_BYTE_COUNT + 1 when TX_BUF_BYTE_x is only accessible I2C_WRITE_BYTE_COUNT */
 #define TCPC_TRANSMIT_BUFFER_MAX_LEN		31
 
+#define tcpc_presenting_rd(reg, cc) \
+	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
+	 (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
+	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
+
 struct tcpci;
 
 /*
@@ -207,4 +212,21 @@ irqreturn_t tcpci_irq(struct tcpci *tcpci);
 
 struct tcpm_port;
 struct tcpm_port *tcpci_get_tcpm_port(struct tcpci *tcpci);
+
+static inline enum typec_cc_status tcpci_to_typec_cc(unsigned int cc, bool sink)
+{
+	switch (cc) {
+	case 0x1:
+		return sink ? TYPEC_CC_RP_DEF : TYPEC_CC_RA;
+	case 0x2:
+		return sink ? TYPEC_CC_RP_1_5 : TYPEC_CC_RD;
+	case 0x3:
+		if (sink)
+			return TYPEC_CC_RP_3_0;
+		fallthrough;
+	case 0x0:
+	default:
+		return TYPEC_CC_OPEN;
+	}
+}
 #endif /* __LINUX_USB_TCPCI_H */