/****************************************************************************** * Copyright (c) 2013-2014, Texas Instruments Incorporated - http://www.ti.com/ * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted 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 Texas Instruments Incorporated nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * 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. *****************************************************************************/ #include #include #include "stdint.h" #include "pciedrv.h" #include "cmem_drv.h" int main() { cmem_host_buf_desc_t buf_desc[32]; uint32_t dsp_start_addr; int size_of_buffer = 0x400000; int ret = cmem_drv_open(); if (ret) { printf("\nERROR: dma mem driver open failed \n"); return(-1); } ret = cmem_drv_alloc(0, size_of_buffer, HOST_BUF_TYPE_PERSISTENT, buf_desc); if (ret) { printf("ERROR: contiguous memory alloc failed\n"); return -1; } /*------------------------------------------------------------------------- * configuration for pcie driver *------------------------------------------------------------------------*/ pciedrv_open_config_t pciedrv_open_config; memset(&pciedrv_open_config, 0 , sizeof(pciedrv_open_config_t)); pciedrv_open_config.dsp_outbound_block_size = size_of_buffer; ret = pciedrv_open(&pciedrv_open_config); if (ret) { printf("ERROR: pciedrv could not opened\n"); return -1; } /*------------------------------------------------------------------------- * Allocate dsp memory range *------------------------------------------------------------------------*/ ret = pciedrv_dsp_memrange_alloc(0, 0, &dsp_start_addr); if (ret) { printf("ERROR: memrange alloc failed \n"); return -1; } /*------------------------------------------------------------------------- * Map host buffer to dsp memory range *------------------------------------------------------------------------*/ ret = pciedrv_map_hostbufs_to_dsp_memrange(0, 0, buf_desc, dsp_start_addr); if (ret) { printf("ERROR: map dsp mem range failed \n"); return -1; } ret = cmem_drv_close(); if (ret) { printf("ERROR: dma mem driver could not closed\n"); return -1; } ret = pciedrv_close(); if (ret) { printf("ERROR: pciedrv could not closed\n"); return -1; } }