+++ /dev/null
-/*
- * Copyright (c) 2013 Qualcomm Atheros, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted (subject to the limitations in the
- * disclaimer below) provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the
- * distribution.
- *
- * * Neither the name of Qualcomm Atheros nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
- * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-/*
- * @File: vbuf.c
- *
- * @Abstract:
- *
- * @Notes:
- */
-
-
-#include <osapi.h>
-#include <vbuf_api.h>
-#include <Magpie_api.h>
-
-#include "vbuf.h"
-
-#define VBUF_SIZE sizeof(VBUF)
-
-struct VBUF_CONTEXT g_vbufCtx;
-
-void _vbuf_init(int nBuf);
-VBUF* _vbuf_alloc_vbuf(void);
-void _vbuf_free_vbuf(VBUF *buf);
-
-void _vbuf_init(int nBuf)
-{
- int i;
- VBUF *vbuf;
-
- //vbuf = (VBUF*)dataAddr;
- vbuf = (VBUF*)A_ALLOCRAM(VBUF_SIZE);
- vbuf->next_buf = NULL;
- vbuf->desc_list = NULL;
-
- g_vbufCtx.free_buf_head = vbuf;
-
- for(i=1; i<nBuf; i++)
- {
- //vbuf = (VBUF*)(dataAddr + i*VBUF_SIZE);
- vbuf = (VBUF*)A_ALLOCRAM(VBUF_SIZE);
-
- vbuf->desc_list = NULL;
- vbuf->next_buf = g_vbufCtx.free_buf_head;
- g_vbufCtx.free_buf_head = vbuf;
- }
-
- g_vbufCtx.nVbufNum = nBuf;
- //return (dataAddr + nBuf*VBUF_SIZE);
- return;
-}
-
-VBUF* _vbuf_alloc_vbuf(void)
-{
- VBUF *allocBuf = NULL;
-
- if ( g_vbufCtx.free_buf_head != NULL )
- {
- allocBuf = g_vbufCtx.free_buf_head;
- g_vbufCtx.nVbufNum--;
-
- g_vbufCtx.free_buf_head = allocBuf->next_buf;
- allocBuf->next_buf = NULL;
- }
-
- return allocBuf;
-}
-
-void _vbuf_free_vbuf(VBUF *buf)
-{
- // assert buf != NULL
-
- buf->next_buf = g_vbufCtx.free_buf_head;
- g_vbufCtx.free_buf_head = buf;
-
- g_vbufCtx.nVbufNum++;
-}
-
-/* the exported entry point into this module. All apis are accessed through
- * function pointers */
-void vbuf_module_install(struct vbuf_api *apis)
-{
- /* hook in APIs */
- apis->_init = _vbuf_init;
- apis->_alloc_vbuf = _vbuf_alloc_vbuf;
- apis->_free_vbuf = _vbuf_free_vbuf;
-
- /* save ptr to the ptr to the context for external code to inspect/modify internal module state */
- //apis->pReserved = &g_pMboxHWContext;
-}
-
-