54 	int (*txrx_bufs)(struct spi_device *spi, struct spi_transfer *t);
220 static int au1550_spi_setupxfer(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_setupxfer()  argument
226 	if (t) {  in au1550_spi_setupxfer()
227 		bpw = t->bits_per_word;  in au1550_spi_setupxfer()
228 		hz = t->speed_hz;  in au1550_spi_setupxfer()
304 static int au1550_spi_dma_txrxb(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_dma_txrxb()  argument
311 	hw->len = t->len;  in au1550_spi_dma_txrxb()
315 	hw->tx = t->tx_buf;  in au1550_spi_dma_txrxb()
316 	hw->rx = t->rx_buf;  in au1550_spi_dma_txrxb()
317 	dma_tx_addr = t->tx_dma;  in au1550_spi_dma_txrxb()
318 	dma_rx_addr = t->rx_dma;  in au1550_spi_dma_txrxb()
328 	if (t->tx_buf) {  in au1550_spi_dma_txrxb()
329 		if (t->tx_dma == 0) {	/* if DMA_ADDR_INVALID, map it */  in au1550_spi_dma_txrxb()
331 					(void *)t->tx_buf,  in au1550_spi_dma_txrxb()
332 					t->len, DMA_TO_DEVICE);  in au1550_spi_dma_txrxb()
338 	if (t->rx_buf) {  in au1550_spi_dma_txrxb()
339 		if (t->rx_dma == 0) {	/* if DMA_ADDR_INVALID, map it */  in au1550_spi_dma_txrxb()
341 					(void *)t->rx_buf,  in au1550_spi_dma_txrxb()
342 					t->len, DMA_FROM_DEVICE);  in au1550_spi_dma_txrxb()
347 		if (t->len > hw->dma_rx_tmpbuf_size) {  in au1550_spi_dma_txrxb()
351 			ret = au1550_spi_dma_rxtmp_alloc(hw, max(t->len,  in au1550_spi_dma_txrxb()
359 			t->len, DMA_FROM_DEVICE);  in au1550_spi_dma_txrxb()
362 	if (!t->tx_buf) {  in au1550_spi_dma_txrxb()
364 				t->len, DMA_BIDIRECTIONAL);  in au1550_spi_dma_txrxb()
370 				    t->len, DDMA_FLAGS_IE);  in au1550_spi_dma_txrxb()
375 				      t->len, DDMA_FLAGS_IE);  in au1550_spi_dma_txrxb()
395 	if (!t->rx_buf) {  in au1550_spi_dma_txrxb()
397 		dma_sync_single_for_cpu(hw->dev, dma_rx_addr, t->len,  in au1550_spi_dma_txrxb()
401 	if (t->rx_buf && t->rx_dma == 0)  in au1550_spi_dma_txrxb()
402 		dma_unmap_single(hw->dev, dma_rx_addr, t->len,  in au1550_spi_dma_txrxb()
404 	if (t->tx_buf && t->tx_dma == 0)  in au1550_spi_dma_txrxb()
405 		dma_unmap_single(hw->dev, dma_tx_addr, t->len,  in au1550_spi_dma_txrxb()
502 static int au1550_spi_pio_txrxb(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_pio_txrxb()  argument
507 	hw->tx = t->tx_buf;  in au1550_spi_pio_txrxb()
508 	hw->rx = t->rx_buf;  in au1550_spi_pio_txrxb()
509 	hw->len = t->len;  in au1550_spi_pio_txrxb()
635 static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_txrx_bufs()  argument
639 	return hw->txrx_bufs(spi, t);  in au1550_spi_txrx_bufs()