![]()  | 
  
    PDK API Guide for J721E
    
   | 
 
UDMA Driver API/interface file.
Requirement: DOX_REQ_TAG(PDK-2494)
Go to the source code of this file.
Data Structures | |
| struct | Udma_InitPrms | 
| UDMA initialization parameters.  More... | |
| struct | Udma_DrvHandle | 
| UDMA driver object.  More... | |
Typedefs | |
| typedef uint64_t(* | Udma_VirtToPhyFxn) (const void *virtAddr, uint32_t chNum, void *appData) | 
| UDMA Virtual to Physical address translation callback function.  More... | |
| typedef void *(* | Udma_PhyToVirtFxn) (uint64_t phyAddr, uint32_t chNum, void *appData) | 
| UDMA Physical to Virtual address translation callback function.  More... | |
| typedef void(* | Udma_PrintFxn) (const char *str) | 
| UDMA info/debug print function prototype.  More... | |
UDMA Ring Local API's function prototypes  | |
| typedef void(* | Udma_ringHandleClearRegsFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring handle clear register function prototype.  More... | |
| typedef void(* | Udma_ringSetDoorBellFxn) (Udma_RingHandle ringHandle, int32_t count) | 
| UDMA Ring set doorbell function prototype.  More... | |
| typedef void(* | Udma_ringPrimeFxn) (Udma_RingHandle ringHandle, uint64_t phyDescMem) | 
| UDMA Ring prime function prototype.  More... | |
| typedef void(* | Udma_ringPrimeReadFxn) (Udma_RingHandle ringHandle, uint64_t *phyDescMem) | 
| UDMA Ring prime read function prototype.  More... | |
| typedef void *(* | Udma_ringGetMemPtrFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring get mem pointer function prototype.  More... | |
| typedef uint32_t(* | Udma_ringGetModeFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring get ring mode function prototype.  More... | |
| typedef uint32_t(* | Udma_ringGetElementCntFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring get element count function prototype.  More... | |
| typedef uint32_t(* | Udma_ringGetForwardRingOccFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring get forward ring occupancy function prototype.  More... | |
| typedef uint32_t(* | Udma_ringGetReverseRingOccFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring get reverse ring occupancy function prototype.  More... | |
| typedef uint32_t(* | Udma_ringGetWrIdxFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring get write index value function prototype.  More... | |
| typedef uint32_t(* | Udma_ringGetRdIdxFxn) (Udma_RingHandle ringHandle) | 
| UDMA Ring get read index value function prototype.  More... | |
| typedef int32_t(* | Udma_ringDequeueRawFxn) (Udma_DrvHandle drvHandle, Udma_RingHandle ringHandle, uint64_t *phyDescMem) | 
| UDMA Ring dequeue raw function prototype.  More... | |
| typedef int32_t(* | Udma_ringQueueRawFxn) (Udma_DrvHandle drvHandle, Udma_RingHandle ringHandle, uint64_t phyDescMem) | 
| UDMA Ring queue raw function prototype.  More... | |
| typedef int32_t(* | Udma_ringFlushRawFxn) (Udma_DrvHandle drvHandle, Udma_RingHandle ringHandle, uint64_t *phyDescMem) | 
| UDMA Ring flush raw function prototype.  More... | |
| typedef void(* | Udma_ringSetCfgFxn) (Udma_DrvHandle drvHandle, Udma_RingHandle ringHandle, const Udma_RingPrms *ringPrms) | 
| UDMA Ring set Cfg function prototype.  More... | |
Functions | |
| int32_t | Udma_init (Udma_DrvHandle drvHandle, const Udma_InitPrms *initPrms) | 
| UDMA init function.  More... | |
| int32_t | Udma_deinit (Udma_DrvHandle drvHandle) | 
| UDMA deinit function.  More... | |
| int32_t | UdmaInitPrms_init (uint32_t instId, Udma_InitPrms *initPrms) | 
| Udma_InitPrms structure init function.  More... | |
| static uint64_t | Udma_defaultVirtToPhyFxn (const void *virtAddr, uint32_t chNum, void *appData) | 
| Default virtual to physical translation function.  More... | |
| static void * | Udma_defaultPhyToVirtFxn (uint64_t phyAddr, uint32_t chNum, void *appData) | 
| Default physical to virtual translation function.  More... | |