1 files changed, 102 insertions, 0 deletions
diff --git a/hifi/xaf/hifi-dpf/include/xf-proxy.h b/hifi/xaf/hifi-dpf/include/xf-proxy.h
new file mode 100644
index 00000000..0260749c
--- /dev/null
+++ b/hifi/xaf/hifi-dpf/include/xf-proxy.h
@@ -0,0 +1,102 @@
+/*******************************************************************************
+* Copyright (C) 2018 Cadence Design Systems, Inc.
+* 
+* Permission is hereby granted, free of charge, to any person obtaining
+* a copy of this software and associated documentation files (the
+* "Software"), to use this Software with Cadence processor cores only and 
+* not with any other processors and platforms, subject to
+* the following conditions:
+* 
+* The above copyright notice and this permission notice 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.
+
+******************************************************************************/
+
+/*******************************************************************************
+ * xf-proxy.h
+ *
+ * Proxy commmand/response messages
+ *
+ *******************************************************************************/
+
+#ifndef __XF_H
+#error "xf-proxy.h mustn't be included directly"
+#endif
+
+/*******************************************************************************
+ * Types definitions
+ ******************************************************************************/
+#ifdef XAF_ENABLE_NON_HIKEY
+/* ...command/response message */
+typedef struct xf_proxy_message
+{
+    /* ...session ID */
+    uint32_t                 session_id;
+
+    /* ...proxy API command/reponse code */
+    uint32_t                 opcode;
+
+    /* ...length of attached buffer */
+    uint32_t                 length;
+
+    /* ...physical address of message buffer */
+    uint64_t                 address;
+    uint64_t                 v_address;
+
+}   __attribute__((__packed__)) xf_proxy_message_t;
+#else
+/* ...command/response message */
+typedef struct xf_proxy_message
+{
+    /* ...session ID */
+    uint32_t                 session_id;
+
+    /* ...proxy API command/reponse code */
+    uint32_t                 opcode;
+
+    /* ...length of attached buffer */
+    uint32_t                 length;
+
+    /* ...physical address of message buffer */
+    uint64_t                 address;
+    uint64_t                 v_address;
+
+}   __attribute__((__packed__)) xf_proxy_message_t;
+#endif
+/*******************************************************************************
+ * Ring buffer support
+ ******************************************************************************/
+
+/* ...total length of shared memory queue (for commands and responses) */
+#define XF_PROXY_MESSAGE_QUEUE_LENGTH   (1 << 8)
+
+/* ...index mask */
+#define XF_PROXY_MESSAGE_QUEUE_MASK     0xFF
+
+/* ...ring-buffer index */
+#define __XF_QUEUE_IDX(idx, counter)    \
+    (((idx) & XF_PROXY_MESSAGE_QUEUE_MASK) | ((counter) << 16))
+
+/* ...retrieve ring-buffer index */
+#define XF_QUEUE_IDX(idx)               \
+    ((idx) & XF_PROXY_MESSAGE_QUEUE_MASK)
+
+/* ...increment ring-buffer index */
+#define XF_QUEUE_ADVANCE_IDX(idx)       \
+    (((idx) + 0x10001) & (0xFFFF0000 | XF_PROXY_MESSAGE_QUEUE_MASK))
+
+/* ...test if ring buffer is empty */
+#define XF_QUEUE_EMPTY(read, write)     \
+    ((read) == (write))
+
+/* ...test if ring buffer is full */
+#define XF_QUEUE_FULL(read, write)      \
+    ((write) == (read) + (XF_PROXY_MESSAGE_QUEUE_LENGTH << 16))