sdm : Add support for dynamic BW limit management

Read if device need to support dynamic bandwidth limit and
provide framework for applying a new total bandwidth limit and
per pipe bandwidth limit based on application scenario. Also
provide an API to query the status of bandwidth limit transaction.

Change-Id: Iaf9676a45c8c0c0c4af00c81ce4f5d70759c02ba

2 files changed, 17 insertions, 0 deletions

diff --git a/libqservice/IQService.h b/libqservice/IQService.h
index 422ddb21..2d7dddc8 100644
--- a/libqservice/IQService.h
+++ b/libqservice/IQService.h
@@ -71,6 +71,7 @@ public:
         SET_DISPLAY_MODE = 29, // Set display mode to command or video mode
         SET_CAMERA_STATUS = 30, // To notify display when camera is on and off
         MIN_HDCP_ENCRYPTION_LEVEL_CHANGED = 31,
+        GET_BW_TRANSACTION_STATUS = 32, //Client can query BW transaction status.
         COMMAND_LIST_END = 400,
     };
 
diff --git a/libqservice/QServiceUtils.h b/libqservice/QServiceUtils.h
index 73b2b181..8f25253c 100644
--- a/libqservice/QServiceUtils.h
+++ b/libqservice/QServiceUtils.h
@@ -83,4 +83,20 @@ inline android::status_t setCameraLaunchStatus(uint32_t on) {
     return sendSingleParam(qService::IQService::SET_CAMERA_STATUS, on);
 }
 
+inline bool displayBWTransactionPending() {
+    android::status_t err = (android::status_t) android::FAILED_TRANSACTION;
+    bool ret = false;
+    android::sp<qService::IQService> binder = getBinder();
+    android::Parcel inParcel, outParcel;
+    if(binder != NULL) {
+        err = binder->dispatch(qService::IQService::GET_BW_TRANSACTION_STATUS,
+                &inParcel , &outParcel);
+        if(err != android::NO_ERROR){
+          ALOGE("GET_BW_TRANSACTION_STATUS binder call failed err=%d", err);
+          return ret;
+        }
+    }
+    ret = outParcel.readInt32();
+    return ret;
+}
 #endif /* end of include guard: QSERVICEUTILS_H */