Add REFCLK request handlers

They don't really seem to do anything in gbridge, so I am not doing
anything either

Signed-off-by: Ayush Singh <ayushsingh1325@gmail.com>

include/greybus_protocol.h

@@ -46,6 +46,12 @@
 #define GB_SVC_TYPE_INTF_VSYS_DISABLE_REQUEST 0x22
 #define GB_SVC_TYPE_INTF_VSYS_DISABLE_RESPONSE                                 \
   OP_RESPONSE | GB_SVC_TYPE_INTF_VSYS_DISABLE_REQUEST
+#define GB_SVC_TYPE_INTF_REFCLK_ENABLE_REQUEST 0x23
+#define GB_SVC_TYPE_INTF_REFCLK_ENABLE_RESPONSE                                \
+  OP_RESPONSE | GB_SVC_TYPE_INTF_REFCLK_ENABLE_REQUEST
+#define GB_SVC_TYPE_INTF_REFCLK_DISABLE_REQUEST 0x24
+#define GB_SVC_TYPE_INTF_REFCLK_DISABLE_RESPONSE                               \
+  OP_RESPONSE | GB_SVC_TYPE_INTF_VSYS_DISABLE_REQUEST
 
 #define GB_SVC_UNIPRO_HIBERNATE_MODE 0x11
 
@@ -54,6 +60,8 @@
 
 #define GB_SVC_INTF_VSYS_OK 0x00
 
+#define GB_SVC_INTF_REFCLK_OK 0x00
+
 /*
  * All operation messages (both requests and responses) begin with
  * a header that encodes the size of the message (header included).

src/svc.c

@@ -20,6 +20,10 @@ struct svc_control_data {
 
 static struct svc_control_data svc_ctrl_data;
 
+struct gb_svc_intf_refclk_response {
+  uint8_t result_code;
+} __packed;
+
 struct gb_svc_intf_vsys_response {
   uint8_t result_code;
 } __packed;
@@ -157,16 +161,17 @@ static void svc_intf_set_pwrm_handler(struct gb_message *msg) {
   svc_response_helper(msg, &resp, sizeof(struct gb_svc_intf_set_pwrm_response));
 }
 
-static void svc_intf_vsys_enable_handler(struct gb_message *msg) {
+static void svc_intf_vsys_enable_disable_handler(struct gb_message *msg) {
   struct gb_svc_intf_vsys_response resp = {.result_code = GB_SVC_INTF_VSYS_OK};
 
   svc_response_helper(msg, &resp, sizeof(struct gb_svc_intf_vsys_response));
 }
 
-static void svc_intf_vsys_disable_handler(struct gb_message *msg) {
-  struct gb_svc_intf_vsys_response resp = {.result_code = GB_SVC_INTF_VSYS_OK};
-
-  svc_response_helper(msg, &resp, sizeof(struct gb_svc_intf_vsys_response));
+static void
+svc_interface_refclk_enable_disable_handler(struct gb_message *msg) {
+  struct gb_svc_intf_refclk_response resp = {.result_code =
+                                                 GB_SVC_INTF_REFCLK_OK};
+  svc_response_helper(msg, &resp, sizeof(struct gb_svc_intf_refclk_response));
 }
 
 static void gb_handle_msg(struct gb_message *msg) {
@@ -179,11 +184,13 @@ static void gb_handle_msg(struct gb_message *msg) {
   case GB_SVC_TYPE_PING_REQUEST:
     svc_empty_request_handler(msg);
     break;
-  case GB_SVC_TYPE_INTF_VSYS_ENABLE_REQUEST:
-    svc_intf_vsys_enable_handler(msg);
+  case GB_SVC_TYPE_INTF_REFCLK_ENABLE_REQUEST:
+  case GB_SVC_TYPE_INTF_REFCLK_DISABLE_REQUEST:
+    svc_interface_refclk_enable_disable_handler(msg);
     break;
+  case GB_SVC_TYPE_INTF_VSYS_ENABLE_REQUEST:
   case GB_SVC_TYPE_INTF_VSYS_DISABLE_REQUEST:
-    svc_intf_vsys_disable_handler(msg);
+    svc_intf_vsys_enable_disable_handler(msg);
     break;
   case GB_SVC_TYPE_PWRMON_RAIL_COUNT_GET_REQUEST:
     svc_pwrm_get_rail_count_handler(msg);