Changeset 6602e97 in mainline for uspace/drv/bus/usb/ehci/hw_struct/queue_head.h

Timestamp:

2014-01-25T07:06:48Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a752c78c

Parents:

3f2cb17

Message:

ehci: Implement batch structure initialization

File:

• uspace/drv/bus/usb/ehci/hw_struct/queue_head.h (modified) (1 diff)

uspace/drv/bus/usb/ehci/hw_struct/queue_head.h

@@ -178 +178 @@
 }
 
+static inline bool qh_halted(const qh_t *qh)
+{
+        assert(qh);
+        return (EHCI_MEM32_RD(qh->status) & QH_STATUS_HALTED_FLAG);
+}
+
+static inline void qh_halt(qh_t *qh)
+{
+        assert(qh);
+        EHCI_MEM32_SET(qh->status, QH_STATUS_HALTED_FLAG);
+}
+
+static inline bool qh_transfer_pending(const qh_t *qh)
+{
+        assert(qh);
+        return !(EHCI_MEM32_RD(qh->next) & LINK_POINTER_TERMINATE_FLAG);
+}
+
 
 void qh_init(qh_t *instance, const endpoint_t *ep);