udma_event.h

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/*
 *  Copyright (c) Texas Instruments Incorporated 2018
 *
 *  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.
 */

#ifndef UDMA_EVENT_H_
#define UDMA_EVENT_H_

/* ========================================================================== */
/*                             Include Files                                  */
/* ========================================================================== */

/* None */

#ifdef __cplusplus
extern "C" {
#endif

/* ========================================================================== */
/*                           Macros & Typedefs                                */
/* ========================================================================== */

#define UDMA_EVENT_INVALID              ((uint32_t) 0xFFFFU)

#define UDMA_INTR_INVALID               ((uint32_t) 0xFFFF0000U)

#define UDMA_CORE_INTR_ANY              ((uint32_t) 0xFFFF0001U)

#define UDMA_MAX_EVENTS_PER_VINTR       (64U)

#define UDMA_EVENT_TYPE_DMA_COMPLETION          ((uint32_t) 0x0001U)

#define UDMA_EVENT_TYPE_TEARDOWN_PACKET         ((uint32_t) 0x0002U)

#define UDMA_EVENT_TYPE_TR                      ((uint32_t) 0x0003U)

#define UDMA_EVENT_TYPE_RING                    ((uint32_t) 0x0004U)

#define UDMA_EVENT_TYPE_MASTER                  ((uint32_t) 0x0005U)

#define UDMA_EVENT_TYPE_ERR_OUT_OF_RANGE_FLOW   ((uint32_t) 0x0006U)

#define UDMA_EVENT_TYPE_RING_MON                ((uint32_t) 0x0007U)
/* @} */

#define UDMA_EVENT_MODE_EXCLUSIVE       ((uint32_t) 0x0001U)

#define UDMA_EVENT_MODE_SHARED          ((uint32_t) 0x0002U)
/* @} */

typedef void (*Udma_EventCallback)(Udma_EventHandle eventHandle,
                                   uint32_t eventType,
                                   void *appData);

/* ========================================================================== */
/*                         Structure Declarations                             */
/* ========================================================================== */

typedef struct
{
    uint32_t                eventType;
    uint32_t                eventMode;
    Udma_ChHandle           chHandle;
    Udma_RingHandle         ringHandle;
    Udma_EventHandle        masterEventHandle;
    Udma_EventCallback      eventCb;
    uint32_t                intrPriority;
    void                   *appData;
    uint32_t                osalRegisterDisable;
    uint32_t                preferredCoreIntrNum;
    Udma_RingMonHandle      monHandle;
    /*
     * Output parameters
     */
    volatile uint64_t      *intrStatusReg;
    volatile uint64_t      *intrClearReg;
    uint64_t                intrMask;
    uint32_t                vintrNum;
    uint32_t                coreIntrNum;
} Udma_EventPrms;

typedef struct
{
    uint32_t    isException;
    uint32_t    flowId;
    uint32_t    chNum;
} Udma_EventRxFlowIdFwStatus;

/* ========================================================================== */
/*                          Function Declarations                             */
/* ========================================================================== */

int32_t Udma_eventRegister(Udma_DrvHandle drvHandle,
                           Udma_EventHandle eventHandle,
                           Udma_EventPrms *eventPrms);

int32_t Udma_eventUnRegister(Udma_EventHandle eventHandle);

uint32_t Udma_eventGetId(Udma_EventHandle eventHandle);

int32_t Udma_eventDisable(Udma_EventHandle eventHandle);

int32_t Udma_eventEnable(Udma_EventHandle eventHandle);

Udma_EventHandle Udma_eventGetGlobalHandle(Udma_DrvHandle drvHandle);

int32_t Udma_eventGetRxFlowIdFwStatus(Udma_EventHandle eventHandle,
                                      Udma_EventRxFlowIdFwStatus *status);

/*
 * Structure Init functions
 */
void UdmaEventPrms_init(Udma_EventPrms *eventPrms);

/* ========================================================================== */
/*                       Static Function Definitions                          */
/* ========================================================================== */

/* None */

/* ========================================================================== */
/*                  Internal/Private Structure Declarations                   */
/* ========================================================================== */

struct Udma_EventObj
{
    Udma_DrvHandle          drvHandle;
    Udma_EventPrms          eventPrms;
    uint32_t                globalEvent;
    uint32_t                vintrNum;
    uint32_t                vintrBitNum;
    uint32_t                irIntrNum;
    uint32_t                coreIntrNum;
    Udma_EventHandle        nextEvent;
    Udma_EventHandle        prevEvent;
    HwiP_Handle             hwiHandle;
    uint64_t                vintrBitAllocFlag;
    /* Below register overlay pointers provided for debug purpose to
     * readily view the registers */
    volatile CSL_intaggr_imapRegs_gevi  *pIaGeviRegs;
    volatile CSL_intaggr_intrRegs_vint  *pIaVintrRegs;
    uint32_t                eventInitDone;
};

#ifdef __cplusplus
}
#endif

#endif /* #ifndef UDMA_EVENT_H_ */

/* @} */