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31 ******************************************************************************/
32 /*****************************************************************************/
36 * @addtogroup zdma_v1_0
39 * This file contains static initialization methods for Xilinx ZDMA core.
42 * MODIFICATION HISTORY:
44 * Ver Who Date Changes
45 * ----- ------ -------- ------------------------------------------------------
46 * 1.0 vns 2/27/15 First release
49 ******************************************************************************/
50 /***************************** Include Files *********************************/
53 #include "xparameters.h"
55 /************************** Constant Definitions *****************************/
58 /***************** Macros (Inline Functions) Definitions *********************/
61 /**************************** Type Definitions *******************************/
64 /************************** Function Prototypes ******************************/
67 /************************** Variable Definitions *****************************/
70 /************************** Function Definitions *****************************/
72 /*****************************************************************************/
75 * XZDma_LookupConfig returns a reference to an XZDma_Config structure
76 * based on the unique device id, <i>DeviceId</i>. The return value will refer
77 * to an entry in the device configuration table defined in the xzdma_g.c
80 * @param DeviceId is the unique device ID of the device for the lookup
83 * @return CfgPtr is a reference to a config record in the configuration
84 * table (in xzdma_g.c) corresponding to <i>DeviceId</i>, or
85 * NULL if no match is found.
88 ******************************************************************************/
89 XZDma_Config *XZDma_LookupConfig(u16 DeviceId)
91 extern XZDma_Config XZDma_ConfigTable[XPAR_XZDMA_NUM_INSTANCES];
92 XZDma_Config *CfgPtr = NULL;
95 /* Checks all the instances */
96 for (Index = (u32)0x0; Index < (u32)(XPAR_XZDMA_NUM_INSTANCES);
98 if (XZDma_ConfigTable[Index].DeviceId == DeviceId) {
99 CfgPtr = &XZDma_ConfigTable[Index];
104 return (XZDma_Config *)CfgPtr;