feat: A2DP bluetooth audio working

2026-06-10 16:00:42 +02:00
parent dff5a4a4b1
commit ca79678823
18 changed files with 1312 additions and 4340 deletions
@@ -310,6 +310,19 @@ namespace Drivers::USB::Bluetooth::Hci {
    uint16_t AclPendingCount();
    uint16_t AclMaxPackets();

+    // ACL packets handed to the xHCI whose bulk OUT completion has not been
+    // reaped yet (each one still owns a TX DMA ring slot).
+    uint32_t AclTxInFlight();
+
+    // True when SendAcl can be called without overrunning either the
+    // controller's ACL buffers (NOCP credits) or the TX DMA ring.  The media
+    // writer polls events until this is true before sending each frame.
+    bool AclTxReady();
+
+    // Lost-NOCP recovery: zero the credit count after a prolonged stall with
+    // the USB side drained (completions presumed lost).
+    void AclResetCredits();
+
    // Disconnect a connection
    bool Disconnect(uint16_t handle, uint8_t reason);