63 	int (*txrx_bufs)(struct spi_device *spi, struct spi_transfer *t);
230 static int au1550_spi_setupxfer(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_setupxfer()  argument
238 	if (t) {  in au1550_spi_setupxfer()
239 		if (t->bits_per_word)  in au1550_spi_setupxfer()
240 			bpw = t->bits_per_word;  in au1550_spi_setupxfer()
241 		if (t->speed_hz)  in au1550_spi_setupxfer()
242 			hz = t->speed_hz;  in au1550_spi_setupxfer()
315 static int au1550_spi_dma_txrxb(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_dma_txrxb()  argument
322 	hw->len = t->len;  in au1550_spi_dma_txrxb()
326 	hw->tx = t->tx_buf;  in au1550_spi_dma_txrxb()
327 	hw->rx = t->rx_buf;  in au1550_spi_dma_txrxb()
328 	dma_tx_addr = t->tx_dma;  in au1550_spi_dma_txrxb()
329 	dma_rx_addr = t->rx_dma;  in au1550_spi_dma_txrxb()
339 	if (t->tx_buf) {  in au1550_spi_dma_txrxb()
340 		if (t->tx_dma == 0) {	/* if DMA_ADDR_INVALID, map it */  in au1550_spi_dma_txrxb()
342 					(void *)t->tx_buf,  in au1550_spi_dma_txrxb()
343 					t->len, DMA_TO_DEVICE);  in au1550_spi_dma_txrxb()
349 	if (t->rx_buf) {  in au1550_spi_dma_txrxb()
350 		if (t->rx_dma == 0) {	/* if DMA_ADDR_INVALID, map it */  in au1550_spi_dma_txrxb()
352 					(void *)t->rx_buf,  in au1550_spi_dma_txrxb()
353 					t->len, DMA_FROM_DEVICE);  in au1550_spi_dma_txrxb()
358 		if (t->len > hw->dma_rx_tmpbuf_size) {  in au1550_spi_dma_txrxb()
362 			ret = au1550_spi_dma_rxtmp_alloc(hw, max(t->len,  in au1550_spi_dma_txrxb()
370 			t->len, DMA_FROM_DEVICE);  in au1550_spi_dma_txrxb()
373 	if (!t->tx_buf) {  in au1550_spi_dma_txrxb()
375 				t->len, DMA_BIDIRECTIONAL);  in au1550_spi_dma_txrxb()
381 				    t->len, DDMA_FLAGS_IE);  in au1550_spi_dma_txrxb()
386 				      t->len, DDMA_FLAGS_IE);  in au1550_spi_dma_txrxb()
406 	if (!t->rx_buf) {  in au1550_spi_dma_txrxb()
408 		dma_sync_single_for_cpu(hw->dev, dma_rx_addr, t->len,  in au1550_spi_dma_txrxb()
412 	if (t->rx_buf && t->rx_dma == 0 )  in au1550_spi_dma_txrxb()
413 		dma_unmap_single(hw->dev, dma_rx_addr, t->len,  in au1550_spi_dma_txrxb()
415 	if (t->tx_buf && t->tx_dma == 0 )  in au1550_spi_dma_txrxb()
416 		dma_unmap_single(hw->dev, dma_tx_addr, t->len,  in au1550_spi_dma_txrxb()
513 static int au1550_spi_pio_txrxb(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_pio_txrxb()  argument
518 	hw->tx = t->tx_buf;  in au1550_spi_pio_txrxb()
519 	hw->rx = t->rx_buf;  in au1550_spi_pio_txrxb()
520 	hw->len = t->len;  in au1550_spi_pio_txrxb()
646 static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)  in au1550_spi_txrx_bufs()  argument
649 	return hw->txrx_bufs(spi, t);  in au1550_spi_txrx_bufs()