broadcom: Introduce a header for talking about chip revisions.

This will be used by the VC5 driver and various shared VC4/VC5 tooling,
like the XML decoder.

src/broadcom/Makefile.sources

@@ -8,5 +8,6 @@ BROADCOM_GENXML_XML_FILES = \
 
 BROADCOM_FILES = \
 	cle/v3d_packet_helpers.h \
+	common/v3d_devinfo.h \
 	$()
 

src/broadcom/common/v3d_device_info.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright © 2016 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef V3D_CHIP_H
+#define V3D_CHIP_H
+
+#include <stdint.h>
+
+/**
+ * Struct for tracking features of the V3D chip. This is where we'll store
+ * boolean flags for features in a specific version, but for now it's just the
+ * version
+ */
+struct v3d_device_info {
+        /** Simple V3D version: major * 10 + minor */
+        uint8_t ver;
+};
+
+#endif