diff options
Diffstat (limited to 'hifi/xaf/hifi-dpf/include/xf-proxy.h')
-rw-r--r-- | hifi/xaf/hifi-dpf/include/xf-proxy.h | 102 |
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)) |