+++ /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: vdesc.c
- *
- * @Abstract:
- *
- * @Notes:
- */
-
-
-#include <osapi.h>
-#include <vdesc_api.h>
-#include <Magpie_api.h>
-
-#include "vdesc.h"
-
-#define VDESC_SIZE sizeof(VDESC)
-//#define VDESC_TX_SIZE sizeof(VDESC_TX)
-//#define VDESC_RX_SIZE sizeof(VDESC_RX)
-
-static VDESC* alloc_rx_desc(void);
-static VDESC* alloc_tx_desc(void);
-void _vdesc_init(int nDesc);
-A_UINT8* _vdesc_get_hw_desc(VDESC *desc);
-VDESC* _vdesc_alloc_desc();
-void _vdesc_swap_vdesc(VDESC *dest, VDESC *src);
-
-struct VDESC_CONTEXT g_vdescCtx;
-
-void _vdesc_init(int nDesc)
-{
- int i;
- VDESC *vdesc;
- //int nextAddr = dataAddr;
- //int nDesc = nTxDesc + nRxDesc;
-
- // Initialize VDESC_TX for nTxDesc number
- //vdesc = (VDESC*)dataAddr;
- vdesc = (VDESC *)A_ALLOCRAM(sizeof(VDESC));
- vdesc->next_desc = NULL;
- vdesc->control = 0;
-
-#if 1
- g_vdescCtx.free_vdesc_head = vdesc;
-
- for(i=1; i<nDesc; i++)
- {
- //nextAddr = dataAddr + i*VDESC_SIZE;
- //vdesc = (VDESC*)nextAddr;
- vdesc = (VDESC *)A_ALLOCRAM(sizeof(VDESC));
-
- vdesc->control = 0;
-
- vdesc->next_desc = g_vdescCtx.free_vdesc_head;
- g_vdescCtx.free_vdesc_head = vdesc;
- }
-
- //nextAddr = nextAddr + VDESC_SIZE;
- //return nextAddr;
- return;
-#else
- g_vdescCtx.free_vdesc_tx_head = vdesc;
- for(i=1; i<nTxDesc; i++)
- {
- nextAddr = dataAddr + i*VDESC_TX_SIZE;
- vdesc = (VDESC*)nextAddr;
- vdesc->control = 0;
-
- vdesc->next_desc = g_vdescCtx.free_vdesc_tx_head;
- g_vdescCtx.free_vdesc_tx_head = vdesc;
- }
-
- nextAddr = nextAddr + VDESC_TX_SIZE;
-
- // Initialize VDESC_RX for nTxDesc number
- vdesc = (VDESC*)nextAddr;
- vdesc->next_desc = NULL;
- vdesc->control = 0;
-
- g_vdescCtx.free_vdesc_rx_head = vdesc;
- for(i=1; i<nRxDesc; i++)
- {
- //nextAddr = nextAddr + i*VDESC_RX_SIZE;
- vdesc = (VDESC*)(nextAddr + i*VDESC_RX_SIZE);
- vdesc->control = 0;
-
- vdesc->next_desc = g_vdescCtx.free_vdesc_rx_head;
- g_vdescCtx.free_vdesc_rx_head = vdesc;
- }
-
- return (nextAddr + nRxDesc*VDESC_RX_SIZE);
-#endif
-}
-
-#if 0
-static VDESC* alloc_tx_desc(void)
-{
- VDESC *allocDesc = NULL;
-
- if ( g_vdescCtx.free_vdesc_tx_head != NULL )
- {
- allocDesc = g_vdescCtx.free_vdesc_tx_head;
-
- //g_vbufCtx.nVbufNum--;
-
- g_vdescCtx.free_vdesc_tx_head = allocDesc->next_desc;
- allocDesc->next_desc = NULL;
- }
-
- return allocDesc;
-}
-
-static VDESC* alloc_rx_desc(void)
-{
- VDESC *allocDesc = NULL;
-
- if ( g_vdescCtx.free_vdesc_rx_head != NULL )
- {
- allocDesc = g_vdescCtx.free_vdesc_rx_head;
- //g_vbufCtx.nVbufNum--;
-
- g_vdescCtx.free_vdesc_rx_head = allocDesc->next_desc;
- allocDesc->next_desc = NULL;
- }
-
- return allocDesc;
-}
-#endif
-
-VDESC* _vdesc_alloc_desc()
-{
-#if 1
- VDESC *allocDesc = NULL;
-
- if ( g_vdescCtx.free_vdesc_head != NULL )
- {
- allocDesc = g_vdescCtx.free_vdesc_head;
- //g_vbufCtx.nVbufNum--;
-
- g_vdescCtx.free_vdesc_head = allocDesc->next_desc;
- allocDesc->next_desc = NULL;
- }
-
- return allocDesc;
-#else
- if ( type == VDESC_TYPE_RX )
- {
- return alloc_rx_desc();
- }
- else
- {
- return alloc_tx_desc();
- }
-#endif
-}
-
-A_UINT8* _vdesc_get_hw_desc(VDESC *desc)
-{
-#if 1
- return desc->hw_desc_buf;
-#else
- if ( type == VDESC_TYPE_RX )
- {
- return ((VDESC_RX*)desc)->hw_desc_buf;
- }
- else
- {
- return ((VDESC_TX*)desc)->hw_desc_buf;
- }
-#endif
-}
-
-void _vdesc_swap_vdesc(VDESC *dest, VDESC *src)
-{
- A_UINT32 tmp;
- A_UINT8 *tmpAddr;
-
- tmp = dest->buf_size;
- dest->buf_size = src->buf_size;
- src->buf_size = tmp;
-
- tmp = dest->data_offset;
- dest->data_offset = src->data_offset;
- src->data_offset = tmp;
-
- tmp = dest->data_size;
- dest->data_size = src->data_size;
- src->data_size = tmp;
-
- tmp = dest->control;
- dest->control = src->control;
- src->control = tmp;
-
- tmpAddr = dest->buf_addr;
- dest->buf_addr = src->buf_addr;
- src->buf_addr = tmpAddr;
-}
-
-/* the exported entry point into this module. All apis are accessed through
- * function pointers */
-void vdesc_module_install(struct vdesc_api *apis)
-{
- /* hook in APIs */
- apis->_init = _vdesc_init;
- apis->_alloc_vdesc = _vdesc_alloc_desc;
- apis->_get_hw_desc = _vdesc_get_hw_desc;
- apis->_swap_vdesc = _vdesc_swap_vdesc;
-
- //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;
-}
-
-
projects / open-ath9k-htc-firmware.git / blobdiff