Add AXI bus objects

cocotbext/axi/axil_channels.py

@@ -25,30 +25,101 @@ THE SOFTWARE.
 from .stream import define_stream
 
 # Write address channel
-AxiLiteAWTransaction, AxiLiteAWSource, AxiLiteAWSink, AxiLiteAWMonitor = define_stream("AxiLiteAW",
+AxiLiteAWBus, AxiLiteAWTransaction, AxiLiteAWSource, AxiLiteAWSink, AxiLiteAWMonitor = define_stream("AxiLiteAW",
     signals=["awaddr", "awprot", "awvalid", "awready"],
     signal_widths={"awprot": 3}
 )
 
 # Write data channel
-AxiLiteWTransaction, AxiLiteWSource, AxiLiteWSink, AxiLiteWMonitor = define_stream("AxiLiteW",
+AxiLiteWBus, AxiLiteWTransaction, AxiLiteWSource, AxiLiteWSink, AxiLiteWMonitor = define_stream("AxiLiteW",
     signals=["wdata", "wstrb", "wvalid", "wready"]
 )
 
 # Write response channel
-AxiLiteBTransaction, AxiLiteBSource, AxiLiteBSink, AxiLiteBMonitor = define_stream("AxiLiteB",
+AxiLiteBBus, AxiLiteBTransaction, AxiLiteBSource, AxiLiteBSink, AxiLiteBMonitor = define_stream("AxiLiteB",
     signals=["bresp", "bvalid", "bready"],
     signal_widths={"bresp": 2}
 )
 
 # Read address channel
-AxiLiteARTransaction, AxiLiteARSource, AxiLiteARSink, AxiLiteARMonitor = define_stream("AxiLiteAR",
+AxiLiteARBus, AxiLiteARTransaction, AxiLiteARSource, AxiLiteARSink, AxiLiteARMonitor = define_stream("AxiLiteAR",
     signals=["araddr", "arprot", "arvalid", "arready"],
     signal_widths={"arprot": 3}
 )
 
 # Read data channel
-AxiLiteRTransaction, AxiLiteRSource, AxiLiteRSink, AxiLiteRMonitor = define_stream("AxiLiteR",
+AxiLiteRBus, AxiLiteRTransaction, AxiLiteRSource, AxiLiteRSink, AxiLiteRMonitor = define_stream("AxiLiteR",
     signals=["rdata", "rresp", "rvalid", "rready"],
     signal_widths={"rresp": 2}
 )
+
+
+class AxiLiteWriteBus:
+    def __init__(self, aw=None, w=None, b=None):
+        self.aw = aw
+        self.w = w
+        self.b = b
+
+    @classmethod
+    def from_entity(cls, entity, **kwargs):
+        aw = AxiLiteAWBus.from_entity(entity, **kwargs)
+        w = AxiLiteWBus.from_entity(entity, **kwargs)
+        b = AxiLiteBBus.from_entity(entity, **kwargs)
+        return cls(aw, w, b)
+
+    @classmethod
+    def from_prefix(cls, entity, prefix, **kwargs):
+        aw = AxiLiteAWBus.from_prefix(entity, prefix, **kwargs)
+        w = AxiLiteWBus.from_prefix(entity, prefix, **kwargs)
+        b = AxiLiteBBus.from_prefix(entity, prefix, **kwargs)
+        return cls(aw, w, b)
+
+    @classmethod
+    def from_channels(cls, aw, w, b):
+        return cls(aw, w, b)
+
+
+class AxiLiteReadBus:
+    def __init__(self, ar=None, r=None):
+        self.ar = ar
+        self.r = r
+
+    @classmethod
+    def from_entity(cls, entity, **kwargs):
+        ar = AxiLiteARBus.from_entity(entity, **kwargs)
+        r = AxiLiteRBus.from_entity(entity, **kwargs)
+        return cls(ar, r)
+
+    @classmethod
+    def from_prefix(cls, entity, prefix, **kwargs):
+        ar = AxiLiteARBus.from_prefix(entity, prefix, **kwargs)
+        r = AxiLiteRBus.from_prefix(entity, prefix, **kwargs)
+        return cls(ar, r)
+
+    @classmethod
+    def from_channels(cls, ar, r):
+        return cls(ar, r)
+
+
+class AxiLiteBus:
+    def __init__(self, write=None, read=None, **kwargs):
+        self.write = write
+        self.read = read
+
+    @classmethod
+    def from_entity(cls, entity, **kwargs):
+        write = AxiLiteWriteBus.from_entity(entity, **kwargs)
+        read = AxiLiteReadBus.from_entity(entity, **kwargs)
+        return cls(write, read)
+
+    @classmethod
+    def from_prefix(cls, entity, prefix, **kwargs):
+        write = AxiLiteWriteBus.from_prefix(entity, prefix, **kwargs)
+        read = AxiLiteReadBus.from_prefix(entity, prefix, **kwargs)
+        return cls(write, read)
+
+    @classmethod
+    def from_channels(cls, aw, w, b, ar, r):
+        write = AxiLiteWriteBus.from_channels(aw, w, b)
+        read = AxiLiteReadBus.from_channels(ar, r)
+        return cls(write, read)