A_STATUS HTCStart(HTC_HANDLE HTCHandle)
{
adf_nbuf_t netbuf;
A_STATUS status = A_OK;
HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle);
HTC_SETUP_COMPLETE_MSG *SetupComp;
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCStart Enter\n"));
do {
HTCConfigTargetHIFPipe(HTCHandle);
#ifdef HTC_HOST_CREDIT_DIST
adf_os_assert(target->InitCredits != NULL);
adf_os_assert(target->EpCreditDistributionListHead != NULL);
adf_os_assert(target->EpCreditDistributionListHead->pNext != NULL);
/* call init credits callback to do the distribution ,
* NOTE: the first entry in the distribution list is ENDPOINT_0, so
* we pass the start of the list after this one. */
target->InitCredits(target->pCredDistContext,
target->EpCreditDistributionListHead->pNext,
target->TargetCredits);
#if 1
adf_os_timer_init(target->os_handle, &target->host_htc_credit_debug_timer, host_htc_credit_show, target);
adf_os_timer_start(&target->host_htc_credit_debug_timer, 10000);
#endif
#endif
/* allocate a buffer to send */
//netbuf = adf_nbuf_alloc(anet, sizeof(HTC_SETUP_COMPLETE_MSG), HTC_HDR_LENGTH, 0);
netbuf = adf_nbuf_alloc(50, HTC_HDR_LENGTH, 0);
if (netbuf == ADF_NBUF_NULL) {
status = A_NO_MEMORY;
break;
}
/* assemble setup complete message */
SetupComp = (HTC_SETUP_COMPLETE_MSG *)adf_nbuf_put_tail(netbuf, sizeof(HTC_SETUP_COMPLETE_MSG));
SetupComp->MessageID = adf_os_htons(HTC_MSG_SETUP_COMPLETE_ID);
/* assemble the HTC header and send to HIF layer */
status = HTCIssueSend(target,
ADF_NBUF_NULL,
netbuf,
0,
sizeof(HTC_SETUP_COMPLETE_MSG),
ENDPOINT0);
if (A_FAILED(status)) {
break;
}
} while (FALSE);
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCStart Exit\n"));
return status;
}
/* Start HTC, enable interrupts and let the target know host has finished setup */
A_STATUS HTCStart(HTC_HANDLE HTCHandle)
{
HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle);
HTC_PACKET *pPacket;
A_STATUS status;
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCStart Enter\n"));
printk("HTCStart Enter\n");
/* make sure interrupts are disabled at the chip level,
* this function can be called again from a reboot of the target without shutting down HTC */
DevDisableInterrupts(&target->Device);
/* make sure state is cleared again */
target->HTCStateFlags = 0;
/* now that we are starting, push control receive buffers into the
* HTC control endpoint */
while (1) {
pPacket = HTC_ALLOC_CONTROL_RX(target);
if (NULL == pPacket) {
break;
}
HTCAddReceivePkt((HTC_HANDLE)target,pPacket);
}
do {
AR_DEBUG_ASSERT(target->InitCredits != NULL);
AR_DEBUG_ASSERT(target->EpCreditDistributionListHead != NULL);
AR_DEBUG_ASSERT(target->EpCreditDistributionListHead->pNext != NULL);
/* call init credits callback to do the distribution ,
* NOTE: the first entry in the distribution list is ENDPOINT_0, so
* we pass the start of the list after this one. */
target->InitCredits(target->pCredDistContext,
target->EpCreditDistributionListHead->pNext,
target->TargetCredits);
if (AR_DEBUG_LVL_CHECK(ATH_DEBUG_TRC)) {
DumpCreditDistStates(target);
}
/* the caller is done connecting to services, so we can indicate to the
* target that the setup phase is complete */
status = HTCSendSetupComplete(target);
if (A_FAILED(status)) {
break;
}
/* unmask interrupts */
status = DevUnmaskInterrupts(&target->Device);
if (A_FAILED(status)) {
HTCStop(target);
}
} while (FALSE);
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HTCStart Exit\n"));
printk("HTCStart Exit\n");
return status;
}