252 	dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor);  in DisplayDescRing()  local
255 	if (pRing->pHead == NULL) {  in DisplayDescRing()
259 	pStart = pRing->pHead;  in DisplayDescRing()
261 	while ((dmacHw_DESC_t *) pStart->llp != pRing->pHead) {  in DisplayDescRing()
262 		if (pStart == pRing->pHead) {  in DisplayDescRing()
265 		if (pStart == pRing->pTail) {  in DisplayDescRing()
268 		if (pStart == pRing->pProg) {  in DisplayDescRing()
271 		if (pStart == pRing->pEnd) {  in DisplayDescRing()
274 		if (pStart == pRing->pFree) {  in DisplayDescRing()
289 	if (pStart == pRing->pHead) {  in DisplayDescRing()
292 	if (pStart == pRing->pTail) {  in DisplayDescRing()
295 	if (pStart == pRing->pProg) {  in DisplayDescRing()
298 	if (pStart == pRing->pEnd) {  in DisplayDescRing()
301 	if (pStart == pRing->pFree) {  in DisplayDescRing()
583 	dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor);  in dmacHw_descriptorPending()  local
588 		if (pRing->pEnd) {  in dmacHw_descriptorPending()
634 	dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor);  in dmacHw_freeMem()  local
641 	while ((pRing->pFree != pRing->pTail)  in dmacHw_freeMem()
642 	       && (pRing->pFree->ctl.lo & dmacHw_DESC_FREE)) {  in dmacHw_freeMem()
643 		if (pRing->pFree->devCtl == dmacHw_FREE_USER_MEMORY) {  in dmacHw_freeMem()
646 				(*fpFree) ((void *)pRing->pFree->dar);  in dmacHw_freeMem()
649 				(*fpFree) ((void *)pRing->pFree->sar);  in dmacHw_freeMem()
652 			pRing->pFree->devCtl = ~dmacHw_FREE_USER_MEMORY;  in dmacHw_freeMem()
654 		dmacHw_NEXT_DESC(pRing, pFree);  in dmacHw_freeMem()
690 	dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor);  in dmacHw_setVariableDataDescriptor()  local
698 	if (num > pRing->num) {  in dmacHw_setVariableDataDescriptor()
702 	pLast = pRing->pEnd;	/* Last descriptor updated */  in dmacHw_setVariableDataDescriptor()
703 	pProg = pRing->pHead;	/* First descriptor in the new list */  in dmacHw_setVariableDataDescriptor()
719 		if (((pRing->pHead->ctl.hi & dmacHw_DESC_FREE) == 0) ||  in dmacHw_setVariableDataDescriptor()
720 		    ((dmacHw_DESC_t *) pRing->pHead->llp == pRing->pTail)  in dmacHw_setVariableDataDescriptor()
726 		pRing->pHead->sar = srcAddr;  in dmacHw_setVariableDataDescriptor()
739 			pRing->pHead->dar = dstAddr;  in dmacHw_setVariableDataDescriptor()
742 		pRing->pHead->ctl.lo = controlParam;  in dmacHw_setVariableDataDescriptor()
744 		pRing->pHead->devCtl = dmacHw_FREE_USER_MEMORY;  in dmacHw_setVariableDataDescriptor()
746 		pRing->pHead->ctl.hi = 0;  in dmacHw_setVariableDataDescriptor()
748 		pRing->pEnd = pRing->pHead;  in dmacHw_setVariableDataDescriptor()
750 		dmacHw_NEXT_DESC(pRing, pHead);  in dmacHw_setVariableDataDescriptor()
754 	pRing->pEnd->ctl.lo &=  in dmacHw_setVariableDataDescriptor()
766 			       (uint32_t) pProg - pRing->virt2PhyOffset);  in dmacHw_setVariableDataDescriptor()
797 	dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor);  in dmacHw_readTransferredData()  local
802 		if (((pRing->pTail->ctl.hi & dmacHw_DESC_FREE) == 0) ||  in dmacHw_readTransferredData()
803 		    (pRing->pTail == pRing->pHead)  in dmacHw_readTransferredData()
814 	*ppBbuf = (char *)pRing->pTail->dar;  in dmacHw_readTransferredData()
820 		switch (pRing->pTail->ctl.lo & dmacHw_REG_CTL_SRC_TR_WIDTH_MASK) {  in dmacHw_readTransferredData()
838 		    (pRing->pTail->ctl.hi & dmacHw_REG_CTL_BLOCK_TS_MASK) *  in dmacHw_readTransferredData()
842 		*pLlen = pRing->pTail->sstat;  in dmacHw_readTransferredData()
846 	dmacHw_NEXT_DESC(pRing, pTail);  in dmacHw_readTransferredData()
871 	dmacHw_DESC_RING_t *pRing = dmacHw_GET_DESC_RING(pDescriptor);  in dmacHw_setControlDescriptor()  local
878 	if ((pRing->pHead->ctl.hi & dmacHw_DESC_FREE) == 0) {  in dmacHw_setControlDescriptor()
882 	pRing->pHead->devCtl = control;  in dmacHw_setControlDescriptor()
884 	pRing->pHead->sar = (uint32_t) &pRing->pHead->devCtl;  in dmacHw_setControlDescriptor()
885 	pRing->pHead->dar = ctlAddress;  in dmacHw_setControlDescriptor()
888 		pRing->pHead->ctl.lo = pConfig->transferType |  in dmacHw_setControlDescriptor()
909 		pRing->pHead->ctl.lo = transferType |  in dmacHw_setControlDescriptor()
922 	pRing->pHead->ctl.hi = dmacHw_REG_CTL_BLOCK_TS_MASK & 1;  in dmacHw_setControlDescriptor()
925 	if (pRing->pProg == dmacHw_DESC_INIT) {  in dmacHw_setControlDescriptor()
926 		pRing->pProg = pRing->pHead;  in dmacHw_setControlDescriptor()
928 	pRing->pEnd = pRing->pHead;  in dmacHw_setControlDescriptor()
931 	dmacHw_NEXT_DESC(pRing, pHead);  in dmacHw_setControlDescriptor()
935 		pRing->pTail = pRing->pHead;  in dmacHw_setControlDescriptor()
982 	dmacHw_DESC_RING_t *pRing;  in dmacHw_resetDescriptorControl()  local
985 	pRing = dmacHw_GET_DESC_RING(pDescriptor);  in dmacHw_resetDescriptorControl()
986 	pDesc = pRing->pHead;  in dmacHw_resetDescriptorControl()
988 	for (i = 0; i < pRing->num; i++) {  in dmacHw_resetDescriptorControl()
994 	pRing->pFree = pRing->pTail = pRing->pEnd = pRing->pHead;  in dmacHw_resetDescriptorControl()
995 	pRing->pProg = dmacHw_DESC_INIT;  in dmacHw_resetDescriptorControl()