316 	struct pasemi_mac_csring *ring;  in pasemi_mac_setup_csring()  local
321 	ring = pasemi_dma_alloc_chan(TXCHAN, sizeof(struct pasemi_mac_csring),  in pasemi_mac_setup_csring()
324 	if (!ring) {  in pasemi_mac_setup_csring()
329 	chno = ring->chan.chno;  in pasemi_mac_setup_csring()
331 	ring->size = CS_RING_SIZE;  in pasemi_mac_setup_csring()
332 	ring->next_to_fill = 0;  in pasemi_mac_setup_csring()
335 	if (pasemi_dma_alloc_ring(&ring->chan, CS_RING_SIZE))  in pasemi_mac_setup_csring()
339 		      PAS_DMA_TXCHAN_BASEL_BRBL(ring->chan.ring_dma));  in pasemi_mac_setup_csring()
340 	val = PAS_DMA_TXCHAN_BASEU_BRBH(ring->chan.ring_dma >> 32);  in pasemi_mac_setup_csring()
345 	ring->events[0] = pasemi_dma_alloc_flag();  in pasemi_mac_setup_csring()
346 	ring->events[1] = pasemi_dma_alloc_flag();  in pasemi_mac_setup_csring()
347 	if (ring->events[0] < 0 || ring->events[1] < 0)  in pasemi_mac_setup_csring()
350 	pasemi_dma_clear_flag(ring->events[0]);  in pasemi_mac_setup_csring()
351 	pasemi_dma_clear_flag(ring->events[1]);  in pasemi_mac_setup_csring()
353 	ring->fun = pasemi_dma_alloc_fun();  in pasemi_mac_setup_csring()
354 	if (ring->fun < 0)  in pasemi_mac_setup_csring()
358 	      PAS_DMA_TXCHAN_CFG_TATTR(ring->fun) |  in pasemi_mac_setup_csring()
367 	pasemi_dma_start_chan(&ring->chan, PAS_DMA_TXCHAN_TCMDSTA_SZ |  in pasemi_mac_setup_csring()
372 	return ring;  in pasemi_mac_setup_csring()
376 	if (ring->events[0] >= 0)  in pasemi_mac_setup_csring()
377 		pasemi_dma_free_flag(ring->events[0]);  in pasemi_mac_setup_csring()
378 	if (ring->events[1] >= 0)  in pasemi_mac_setup_csring()
379 		pasemi_dma_free_flag(ring->events[1]);  in pasemi_mac_setup_csring()
380 	pasemi_dma_free_ring(&ring->chan);  in pasemi_mac_setup_csring()
382 	pasemi_dma_free_chan(&ring->chan);  in pasemi_mac_setup_csring()
414 	struct pasemi_mac_rxring *ring;  in pasemi_mac_setup_rx_resources()  local
419 	ring = pasemi_dma_alloc_chan(RXCHAN, sizeof(struct pasemi_mac_rxring),  in pasemi_mac_setup_rx_resources()
422 	if (!ring) {  in pasemi_mac_setup_rx_resources()
426 	chno = ring->chan.chno;  in pasemi_mac_setup_rx_resources()
428 	spin_lock_init(&ring->lock);  in pasemi_mac_setup_rx_resources()
430 	ring->size = RX_RING_SIZE;  in pasemi_mac_setup_rx_resources()
431 	ring->ring_info = kzalloc(sizeof(struct pasemi_mac_buffer) *  in pasemi_mac_setup_rx_resources()
434 	if (!ring->ring_info)  in pasemi_mac_setup_rx_resources()
438 	if (pasemi_dma_alloc_ring(&ring->chan, RX_RING_SIZE))  in pasemi_mac_setup_rx_resources()
441 	ring->buffers = dma_zalloc_coherent(&mac->dma_pdev->dev,  in pasemi_mac_setup_rx_resources()
443 					    &ring->buf_dma, GFP_KERNEL);  in pasemi_mac_setup_rx_resources()
444 	if (!ring->buffers)  in pasemi_mac_setup_rx_resources()
448 		      PAS_DMA_RXCHAN_BASEL_BRBL(ring->chan.ring_dma));  in pasemi_mac_setup_rx_resources()
451 		      PAS_DMA_RXCHAN_BASEU_BRBH(ring->chan.ring_dma >> 32) |  in pasemi_mac_setup_rx_resources()
462 		      PAS_DMA_RXINT_BASEL_BRBL(ring->buf_dma));  in pasemi_mac_setup_rx_resources()
465 		      PAS_DMA_RXINT_BASEU_BRBH(ring->buf_dma >> 32) |  in pasemi_mac_setup_rx_resources()
477 	ring->next_to_fill = 0;  in pasemi_mac_setup_rx_resources()
478 	ring->next_to_clean = 0;  in pasemi_mac_setup_rx_resources()
479 	ring->mac = mac;  in pasemi_mac_setup_rx_resources()
480 	mac->rx = ring;  in pasemi_mac_setup_rx_resources()
485 	kfree(ring->ring_info);  in pasemi_mac_setup_rx_resources()
487 	pasemi_dma_free_chan(&ring->chan);  in pasemi_mac_setup_rx_resources()
497 	struct pasemi_mac_txring *ring;  in pasemi_mac_setup_tx_resources()  local
501 	ring = pasemi_dma_alloc_chan(TXCHAN, sizeof(struct pasemi_mac_txring),  in pasemi_mac_setup_tx_resources()
504 	if (!ring) {  in pasemi_mac_setup_tx_resources()
509 	chno = ring->chan.chno;  in pasemi_mac_setup_tx_resources()
511 	spin_lock_init(&ring->lock);  in pasemi_mac_setup_tx_resources()
513 	ring->size = TX_RING_SIZE;  in pasemi_mac_setup_tx_resources()
514 	ring->ring_info = kzalloc(sizeof(struct pasemi_mac_buffer) *  in pasemi_mac_setup_tx_resources()
516 	if (!ring->ring_info)  in pasemi_mac_setup_tx_resources()
520 	if (pasemi_dma_alloc_ring(&ring->chan, TX_RING_SIZE))  in pasemi_mac_setup_tx_resources()
524 		      PAS_DMA_TXCHAN_BASEL_BRBL(ring->chan.ring_dma));  in pasemi_mac_setup_tx_resources()
525 	val = PAS_DMA_TXCHAN_BASEU_BRBH(ring->chan.ring_dma >> 32);  in pasemi_mac_setup_tx_resources()
540 	ring->next_to_fill = 0;  in pasemi_mac_setup_tx_resources()
541 	ring->next_to_clean = 0;  in pasemi_mac_setup_tx_resources()
542 	ring->mac = mac;  in pasemi_mac_setup_tx_resources()
544 	return ring;  in pasemi_mac_setup_tx_resources()
547 	kfree(ring->ring_info);  in pasemi_mac_setup_tx_resources()
549 	pasemi_dma_free_chan(&ring->chan);  in pasemi_mac_setup_tx_resources()