00001 /** ============================================================================ 00002 * @file dm6437_hal_pci_dma.h 00003 * 00004 * @path $(DSPLINK)/gpp/inc/sys/arch/DM6437/ 00005 * 00006 * @brief DMA module header file. 00007 * 00008 * @ver 1.65.00.03 00009 * ============================================================================ 00010 * @copyright Copyright (C) 2002-2009, Texas Instruments Incorporated - 00011 * http://www.ti.com/ 00012 * 00013 * Redistribution and use in source and binary forms, with or without 00014 * modification, are permitted provided that the following conditions 00015 * are met: 00016 * 00017 * * Redistributions of source code must retain the above copyright 00018 * notice, this list of conditions and the following disclaimer. 00019 * 00020 * * Redistributions in binary form must reproduce the above copyright 00021 * notice, this list of conditions and the following disclaimer in the 00022 * documentation and/or other materials provided with the distribution. 00023 * 00024 * * Neither the name of Texas Instruments Incorporated nor the names of 00025 * its contributors may be used to endorse or promote products derived 00026 * from this software without specific prior written permission. 00027 * 00028 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00029 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 00030 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00031 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 00032 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00033 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00034 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 00035 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00036 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00037 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 00038 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00039 * ============================================================================ 00040 */ 00041 00042 00043 #if !defined (DM6437_HAL_PCI_DMA_H) 00044 #define DM6437_HAL_PCI_DMA_H 00045 00046 00047 /* ----------------------------------- DSP/BIOS Link */ 00048 #include <dsplink.h> 00049 #include <_dsplink.h> 00050 00051 /* ----------------------------------- OSAL Headers */ 00052 #include <dm6437_hal.h> 00053 #include <dm6437_hal_pci.h> 00054 00055 00056 #if defined (__cplusplus) 00057 extern "C" { 00058 #endif /* if defined (__cplusplus) */ 00059 00060 00061 /* ============================================================================ 00062 * @func DM6437_halPciReadDMA 00063 * 00064 * @brief DMAs contents from DSP memory to GPP Memory. Here read means DSP 00065 * write. 00066 * 00067 * @param halObject. 00068 * HAL Object 00069 * @param srcAddr. 00070 * Source Address. 00071 * @param dstAddr. 00072 * Destination Address. 00073 * @param size. 00074 * Number of bytes to transfer. 00075 * 00076 * @return DSP_SOK 00077 * Operation successfully completed. 00078 * DSP_EFAIL 00079 * Not able to do read DMA for specified size. 00080 * 00081 * @pre None. 00082 * 00083 * @post None. 00084 * 00085 * @see None 00086 * ============================================================================ 00087 */ 00088 NORMAL_API 00089 DSP_STATUS 00090 DM6437_halPciReadDMA (IN Pvoid halObject, 00091 IN Uint32 srcAddr, 00092 IN Uint32 dstAddr, 00093 IN Uint32 size) ; 00094 00095 00096 /* ============================================================================ 00097 * @func DM6437_halPciWriteDMA 00098 * 00099 * @brief DMAs contents from GPP memory to DSP Memory. Here write means DSP 00100 * read. 00101 * 00102 * @param halObject. 00103 * HAL Object 00104 * @param srcAddr. 00105 * Source Address. 00106 * @param dstAddr. 00107 * Destination Address. 00108 * @param size. 00109 * Number of bytes to transfer. 00110 * 00111 * @return DSP_SOK 00112 * Operation successfully completed. 00113 * DSP_EFAIL 00114 * Not able to do write DMA for specified size. 00115 * 00116 * @pre None. 00117 * 00118 * @post None. 00119 * 00120 * @see None 00121 * ============================================================================ 00122 */ 00123 NORMAL_API 00124 DSP_STATUS 00125 DM6437_halPciWriteDMA (IN Pvoid halObject, 00126 IN Uint32 srcAddr, 00127 IN Uint32 dstAddr, 00128 IN Uint32 size) ; 00129 00130 00131 #if defined (__cplusplus) 00132 } 00133 #endif /* if defined (__cplusplus) */ 00134 00135 #endif /* !defined (DM6437_HAL_PCI_DMA_H) */