198 	struct spi_transfer *xfer; /* Store xfer temporarily */  member
384 				    struct spi_transfer *xfer)  in rockchip_spi_prepare_irq()  argument
386 	rs->tx = xfer->tx_buf;  in rockchip_spi_prepare_irq()
387 	rs->rx = xfer->rx_buf;  in rockchip_spi_prepare_irq()
388 	rs->tx_left = rs->tx ? xfer->len / rs->n_bytes : 0;  in rockchip_spi_prepare_irq()
389 	rs->rx_left = xfer->len / rs->n_bytes;  in rockchip_spi_prepare_irq()
453 		struct spi_controller *ctlr, struct spi_transfer *xfer)  in rockchip_spi_prepare_dma()  argument
459 	rs->tx = xfer->tx_buf;  in rockchip_spi_prepare_dma()
460 	rs->rx = xfer->rx_buf;  in rockchip_spi_prepare_dma()
463 	if (xfer->rx_buf) {  in rockchip_spi_prepare_dma()
468 			.src_maxburst = rockchip_spi_calc_burst_size(xfer->len / rs->n_bytes),  in rockchip_spi_prepare_dma()
475 				xfer->rx_sg.sgl, xfer->rx_sg.nents,  in rockchip_spi_prepare_dma()
485 	if (xfer->tx_buf) {  in rockchip_spi_prepare_dma()
497 				xfer->tx_sg.sgl, xfer->tx_sg.nents,  in rockchip_spi_prepare_dma()
532 		struct spi_device *spi, struct spi_transfer *xfer,  in rockchip_spi_config()  argument
553 	if (xfer->rx_buf && xfer->tx_buf)  in rockchip_spi_config()
555 	else if (xfer->rx_buf)  in rockchip_spi_config()
560 	switch (xfer->bits_per_word) {  in rockchip_spi_config()
563 		cr1 = xfer->len - 1;  in rockchip_spi_config()
567 		cr1 = xfer->len - 1;  in rockchip_spi_config()
571 		cr1 = xfer->len / 2 - 1;  in rockchip_spi_config()
579 			xfer->bits_per_word);  in rockchip_spi_config()
584 		if (xfer->tx_buf)  in rockchip_spi_config()
586 		if (xfer->rx_buf)  in rockchip_spi_config()
597 	if ((xfer->len / rs->n_bytes) < rs->fifo_len)  in rockchip_spi_config()
598 		writel_relaxed(xfer->len / rs->n_bytes - 1, rs->regs + ROCKCHIP_SPI_RXFTLR);  in rockchip_spi_config()
603 	writel_relaxed(rockchip_spi_calc_burst_size(xfer->len / rs->n_bytes) - 1,  in rockchip_spi_config()
611 	writel_relaxed(2 * DIV_ROUND_UP(rs->freq, 2 * xfer->speed_hz),  in rockchip_spi_config()
634 			rs->rx = rs->xfer->rx_buf;  in rockchip_spi_target_abort()
635 			rs->xfer->len = 0;  in rockchip_spi_target_abort()
641 			rs->rx += rs->xfer->len - rs->n_bytes * state.residue;  in rockchip_spi_target_abort()
657 		rs->xfer->len = (unsigned int)(rs->rx - rs->xfer->rx_buf);  in rockchip_spi_target_abort()
676 		struct spi_transfer *xfer)  in rockchip_spi_transfer_one()  argument
683 	if (!xfer->len) {  in rockchip_spi_transfer_one()
691 	if (!xfer->tx_buf && !xfer->rx_buf) {  in rockchip_spi_transfer_one()
696 	if (xfer->len > ROCKCHIP_SPI_MAX_TRANLEN) {  in rockchip_spi_transfer_one()
697 		dev_err(rs->dev, "Transfer is too long (%d)\n", xfer->len);  in rockchip_spi_transfer_one()
701 	rs->n_bytes = xfer->bits_per_word <= 8 ? 1 : 2;  in rockchip_spi_transfer_one()
702 	rs->xfer = xfer;  in rockchip_spi_transfer_one()
703 	use_dma = ctlr->can_dma ? ctlr->can_dma(ctlr, spi, xfer) : false;  in rockchip_spi_transfer_one()
705 	ret = rockchip_spi_config(rs, spi, xfer, use_dma, ctlr->target);  in rockchip_spi_transfer_one()
710 		return rockchip_spi_prepare_dma(rs, ctlr, xfer);  in rockchip_spi_transfer_one()
712 	return rockchip_spi_prepare_irq(rs, ctlr, xfer);  in rockchip_spi_transfer_one()
717 				 struct spi_transfer *xfer)  in rockchip_spi_can_dma()  argument
720 	unsigned int bytes_per_word = xfer->bits_per_word <= 8 ? 1 : 2;  in rockchip_spi_can_dma()
726 	return xfer->len / bytes_per_word >= rs->fifo_len;  in rockchip_spi_can_dma()