Lines Matching refs:xfer

164 				       struct spi_transfer *xfer)  in mtk_spi_slave_fifo_transfer()  argument
172 	if (xfer->rx_buf)  in mtk_spi_slave_fifo_transfer()
174 	if (xfer->tx_buf)  in mtk_spi_slave_fifo_transfer()
178 	cnt = xfer->len / 4;  in mtk_spi_slave_fifo_transfer()
179 	if (xfer->tx_buf)  in mtk_spi_slave_fifo_transfer()
181 			      xfer->tx_buf, cnt);  in mtk_spi_slave_fifo_transfer()
183 	remainder = xfer->len % 4;  in mtk_spi_slave_fifo_transfer()
184 	if (xfer->tx_buf && remainder > 0) {  in mtk_spi_slave_fifo_transfer()
186 		memcpy(&reg_val, xfer->tx_buf + cnt * 4, remainder);  in mtk_spi_slave_fifo_transfer()
201 				      struct spi_transfer *xfer)  in mtk_spi_slave_dma_transfer()  argument
209 	if (xfer->tx_buf) {  in mtk_spi_slave_dma_transfer()
213 		void *nonconst_tx = (void *)xfer->tx_buf;  in mtk_spi_slave_dma_transfer()
215 		xfer->tx_dma = dma_map_single(dev, nonconst_tx,  in mtk_spi_slave_dma_transfer()
216 					      xfer->len, DMA_TO_DEVICE);  in mtk_spi_slave_dma_transfer()
217 		if (dma_mapping_error(dev, xfer->tx_dma)) {  in mtk_spi_slave_dma_transfer()
223 	if (xfer->rx_buf) {  in mtk_spi_slave_dma_transfer()
224 		xfer->rx_dma = dma_map_single(dev, xfer->rx_buf,  in mtk_spi_slave_dma_transfer()
225 					      xfer->len, DMA_FROM_DEVICE);  in mtk_spi_slave_dma_transfer()
226 		if (dma_mapping_error(dev, xfer->rx_dma)) {  in mtk_spi_slave_dma_transfer()
232 	writel(xfer->tx_dma, mdata->base + SPIS_TX_SRC_REG);  in mtk_spi_slave_dma_transfer()
233 	writel(xfer->rx_dma, mdata->base + SPIS_RX_DST_REG);  in mtk_spi_slave_dma_transfer()
239 	if (xfer->tx_buf)  in mtk_spi_slave_dma_transfer()
241 	if (xfer->rx_buf)  in mtk_spi_slave_dma_transfer()
247 	reg_val |= (xfer->len - 1) & TX_DMA_LEN;  in mtk_spi_slave_dma_transfer()
251 	if (xfer->tx_buf)  in mtk_spi_slave_dma_transfer()
253 	if (xfer->rx_buf)  in mtk_spi_slave_dma_transfer()
265 	if (xfer->rx_buf)  in mtk_spi_slave_dma_transfer()
266 		dma_unmap_single(dev, xfer->rx_dma,  in mtk_spi_slave_dma_transfer()
267 				 xfer->len, DMA_FROM_DEVICE);  in mtk_spi_slave_dma_transfer()
270 	if (xfer->tx_buf)  in mtk_spi_slave_dma_transfer()
271 		dma_unmap_single(dev, xfer->tx_dma,  in mtk_spi_slave_dma_transfer()
272 				 xfer->len, DMA_TO_DEVICE);  in mtk_spi_slave_dma_transfer()
284 				      struct spi_transfer *xfer)  in mtk_spi_slave_transfer_one()  argument
290 	mdata->cur_transfer = xfer;  in mtk_spi_slave_transfer_one()
292 	if (xfer->len > mdata->dev_comp->max_fifo_size)  in mtk_spi_slave_transfer_one()
293 		return mtk_spi_slave_dma_transfer(ctlr, spi, xfer);  in mtk_spi_slave_transfer_one()
295 		return mtk_spi_slave_fifo_transfer(ctlr, spi, xfer);  in mtk_spi_slave_transfer_one()