void HTCDestroy(HTC_HANDLE HTCHandle)
{
HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle);
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+HTCDestroy .. Destroying :0x%p \n",target));
HTCCleanup(target);
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-HTCDestroy \n"));
}
/* registered removal callback from the HIF layer */
static A_STATUS HTCTargetRemovedHandler(void *handle, A_STATUS status)
{
HTC_TARGET *target;
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+HTCTargetRemovedHandler handle:0x%X \n",(A_UINT32)handle));
if (NULL == handle) {
/* this could be NULL in the event that target initialization failed */
return A_OK;
}
target = ((AR6K_DEVICE *)handle)->HTCContext;
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, (" removing target:0x%X instance:0x%X ... \n",
(A_UINT32)target, (A_UINT32)target->pInstanceContext));
if (target->pInstanceContext != NULL) {
/* let upper layer know, it needs to call HTCStop() */
HTCInitInfo.DeleteInstance(target->pInstanceContext);
}
HIFShutDownDevice(target->Device.HIFDevice);
HTCCleanup(target);
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-HTCTargetRemovedHandler \n"));
return A_OK;
}
/* registered target arrival callback from the HIF layer */
HTC_HANDLE HTCCreate(void *hHIF, HTC_INIT_INFO *pInfo)
{
A_STATUS status = A_OK;
HTC_TARGET *target = NULL;
do {
if ((target = (HTC_TARGET *)A_MALLOC(sizeof(HTC_TARGET))) == NULL) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HTC : Unable to allocate memory\n"));
status = A_ERROR;
break;
}
A_MEMCPY(&target->HTCInitInfo,pInfo,sizeof(HTC_INIT_INFO));
adf_os_mem_zero(target, sizeof(HTC_TARGET));
adf_os_spinlock_init(&target->HTCLock);
adf_os_spinlock_init(&target->HTCRxLock);
adf_os_spinlock_init(&target->HTCTxLock);
/* setup HIF layer callbacks */
adf_os_mem_zero(&htcCallbacks, sizeof(completion_callbacks_t));
htcCallbacks.Context = target;
htcCallbacks.rxCompletionHandler = HTCRxCompletionHandler;
htcCallbacks.txCompletionHandler = HTCTxCompletionHandler;
HIFPostInit(hHIF, target, &htcCallbacks);
target->hif_dev = hHIF;
adf_os_init_mutex(&target->htc_rdy_mutex);
adf_os_mutex_acquire(&target->htc_rdy_mutex);
/* Get HIF default pipe for HTC message exchange */
pEndpoint = &target->EndPoint[ENDPOINT0];
HIFGetDefaultPipe(hHIF, &pEndpoint->UL_PipeID, &pEndpoint->DL_PipeID);
adf_os_print("[Default Pipe]UL: %x, DL: %x\n", pEndpoint->UL_PipeID, pEndpoint->DL_PipeID);
/* TODO : other init */
} while (FALSE);
target->host_handle = htcInfo.pContext;
/* TODO INTEGRATION supply from host os handle for any os specific calls*/
target->os_handle = NULL;
if (A_FAILED(status)) {
HTCCleanup(target);
target = NULL;
}
return (HTC_HANDLE)target;
}
/* registered target arrival callback from the HIF layer */
HTC_HANDLE HTCCreate(void *hif_handle, HTC_INIT_INFO *pInfo)
{
HTC_TARGET *target = NULL;
A_STATUS status = A_OK;
int i;
A_UINT32 ctrl_bufsz;
A_UINT32 blocksizes[HTC_MAILBOX_NUM_MAX];
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCCreate - Enter\n"));
printk("HTCCreate !!\n");
do {
/* allocate target memory */
if ((target = (HTC_TARGET *)A_MALLOC(sizeof(HTC_TARGET))) == NULL)
{
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to allocate memory\n"));
status = A_ERROR;
break;
}
A_MEMZERO(target, sizeof(HTC_TARGET));
A_MUTEX_INIT(&target->HTCLock);
A_MUTEX_INIT(&target->HTCRxLock);
A_MUTEX_INIT(&target->HTCTxLock);
INIT_HTC_PACKET_QUEUE(&target->ControlBufferTXFreeList);
INIT_HTC_PACKET_QUEUE(&target->ControlBufferRXFreeList);
/* give device layer the hif device handle */
target->Device.HIFDevice = hif_handle;
/* give the device layer our context (for event processing)
* the device layer will register it's own context with HIF
* so we need to set this so we can fetch it in the target remove handler */
target->Device.HTCContext = target;
/* set device layer target failure callback */
target->Device.TargetFailureCallback = HTCReportFailure;
/* set device layer recv message pending callback */
target->Device.MessagePendingCallback = HTCRecvMessagePendingHandler;
target->EpWaitingForBuffers = ENDPOINT_MAX;
A_MEMCPY(&target->HTCInitInfo,pInfo,sizeof(HTC_INIT_INFO));
/* setup device layer */
status = DevSetup(&target->Device);
if (A_FAILED(status)) {
break;
}
/* get the block sizes */
status = HIFConfigureDevice(hif_handle, HIF_DEVICE_GET_MBOX_BLOCK_SIZE,
blocksizes, sizeof(blocksizes));
if (A_FAILED(status)) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to get block size info from HIF layer...\n"));
break;
}
/* Set the control buffer size based on the block size */
if (blocksizes[1] > HTC_MAX_CONTROL_MESSAGE_LENGTH)
{
ctrl_bufsz = blocksizes[1] + HTC_HDR_LENGTH;
}
else
{
ctrl_bufsz = HTC_MAX_CONTROL_MESSAGE_LENGTH + HTC_HDR_LENGTH;
}
for (i = 0;i < NUM_CONTROL_BUFFERS;i++)
{
target->HTCControlBuffers[i].Buffer = A_MALLOC(ctrl_bufsz);
if (target->HTCControlBuffers[i].Buffer == NULL) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unable to allocate memory\n"));
status = A_ERROR;
break;
}
}
if (A_FAILED(status)) {
break;
}
/* carve up buffers/packets for control messages */
for (i = 0; i < NUM_CONTROL_RX_BUFFERS; i++) {
HTC_PACKET *pControlPacket;
pControlPacket = &target->HTCControlBuffers[i].HtcPacket;
SET_HTC_PACKET_INFO_RX_REFILL(pControlPacket,
target,
target->HTCControlBuffers[i].Buffer,
ctrl_bufsz,
ENDPOINT_0);
HTC_FREE_CONTROL_RX(target,pControlPacket);
}
for (;i < NUM_CONTROL_BUFFERS;i++) {
HTC_PACKET *pControlPacket;
pControlPacket = &target->HTCControlBuffers[i].HtcPacket;
INIT_HTC_PACKET_INFO(pControlPacket,
target->HTCControlBuffers[i].Buffer,
ctrl_bufsz);
HTC_FREE_CONTROL_TX(target,pControlPacket);
}
} while (FALSE);
if (A_FAILED(status)) {
if (target != NULL) {
HTCCleanup(target);
target = NULL;
}
}
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCCreate - Exit\n"));
return target;
}