213 	struct mtk_spi *mdata = spi_master_get_devdata(spi->master);  in mtk_spi_set_hw_cs_timing()
278 static int mtk_spi_prepare_message(struct spi_master *master,  in mtk_spi_prepare_message()  argument
285 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_prepare_message()
362 	struct mtk_spi *mdata = spi_master_get_devdata(spi->master);  in mtk_spi_set_cs()
379 static void mtk_spi_prepare_transfer(struct spi_master *master,  in mtk_spi_prepare_transfer()  argument
383 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_prepare_transfer()
412 static void mtk_spi_setup_packet(struct spi_master *master)  in mtk_spi_setup_packet()  argument
415 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_setup_packet()
427 static void mtk_spi_enable_transfer(struct spi_master *master)  in mtk_spi_enable_transfer()  argument
430 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_enable_transfer()
452 static void mtk_spi_update_mdata_len(struct spi_master *master)  in mtk_spi_update_mdata_len()  argument
455 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_update_mdata_len()
480 static void mtk_spi_setup_dma_addr(struct spi_master *master,  in mtk_spi_setup_dma_addr()  argument
483 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_setup_dma_addr()
506 static int mtk_spi_fifo_transfer(struct spi_master *master,  in mtk_spi_fifo_transfer()  argument
512 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_fifo_transfer()
517 	mtk_spi_prepare_transfer(master, xfer);  in mtk_spi_fifo_transfer()
518 	mtk_spi_setup_packet(master);  in mtk_spi_fifo_transfer()
531 	mtk_spi_enable_transfer(master);  in mtk_spi_fifo_transfer()
536 static int mtk_spi_dma_transfer(struct spi_master *master,  in mtk_spi_dma_transfer()  argument
541 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_dma_transfer()
550 	mtk_spi_prepare_transfer(master, xfer);  in mtk_spi_dma_transfer()
573 	mtk_spi_update_mdata_len(master);  in mtk_spi_dma_transfer()
574 	mtk_spi_setup_packet(master);  in mtk_spi_dma_transfer()
575 	mtk_spi_setup_dma_addr(master, xfer);  in mtk_spi_dma_transfer()
576 	mtk_spi_enable_transfer(master);  in mtk_spi_dma_transfer()
581 static int mtk_spi_transfer_one(struct spi_master *master,  in mtk_spi_transfer_one()  argument
585 	if (master->can_dma(master, spi, xfer))  in mtk_spi_transfer_one()
586 		return mtk_spi_dma_transfer(master, spi, xfer);  in mtk_spi_transfer_one()
588 		return mtk_spi_fifo_transfer(master, spi, xfer);  in mtk_spi_transfer_one()
591 static bool mtk_spi_can_dma(struct spi_master *master,  in mtk_spi_can_dma()  argument
603 	struct mtk_spi *mdata = spi_master_get_devdata(spi->master);  in mtk_spi_setup()
617 	struct spi_master *master = dev_id;  in mtk_spi_interrupt()  local
618 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_interrupt()
627 	if (!master->can_dma(master, master->cur_msg->spi, trans)) {  in mtk_spi_interrupt()
645 			spi_finalize_current_transfer(master);  in mtk_spi_interrupt()
651 		mtk_spi_setup_packet(master);  in mtk_spi_interrupt()
666 		mtk_spi_enable_transfer(master);  in mtk_spi_interrupt()
698 		spi_finalize_current_transfer(master);  in mtk_spi_interrupt()
702 	mtk_spi_update_mdata_len(master);  in mtk_spi_interrupt()
703 	mtk_spi_setup_packet(master);  in mtk_spi_interrupt()
704 	mtk_spi_setup_dma_addr(master, trans);  in mtk_spi_interrupt()
705 	mtk_spi_enable_transfer(master);  in mtk_spi_interrupt()
712 	struct spi_master *master;  in mtk_spi_probe()  local
717 	master = spi_alloc_master(&pdev->dev, sizeof(*mdata));  in mtk_spi_probe()
718 	if (!master) {  in mtk_spi_probe()
719 		dev_err(&pdev->dev, "failed to alloc spi master\n");  in mtk_spi_probe()
723 	master->auto_runtime_pm = true;  in mtk_spi_probe()
724 	master->dev.of_node = pdev->dev.of_node;  in mtk_spi_probe()
725 	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;  in mtk_spi_probe()
727 	master->set_cs = mtk_spi_set_cs;  in mtk_spi_probe()
728 	master->prepare_message = mtk_spi_prepare_message;  in mtk_spi_probe()
729 	master->transfer_one = mtk_spi_transfer_one;  in mtk_spi_probe()
730 	master->can_dma = mtk_spi_can_dma;  in mtk_spi_probe()
731 	master->setup = mtk_spi_setup;  in mtk_spi_probe()
732 	master->set_cs_timing = mtk_spi_set_hw_cs_timing;  in mtk_spi_probe()
741 	mdata = spi_master_get_devdata(master);  in mtk_spi_probe()
745 		master->mode_bits |= SPI_CS_HIGH;  in mtk_spi_probe()
748 		master->flags = SPI_MASTER_MUST_TX;  in mtk_spi_probe()
781 	platform_set_drvdata(pdev, master);  in mtk_spi_probe()
798 			       IRQF_TRIGGER_NONE, dev_name(&pdev->dev), master);  in mtk_spi_probe()
848 		if (mdata->pad_num != master->num_chipselect) {  in mtk_spi_probe()
851 				mdata->pad_num, master->num_chipselect);  in mtk_spi_probe()
856 		if (!master->cs_gpios && master->num_chipselect > 1) {  in mtk_spi_probe()
863 		if (master->cs_gpios) {  in mtk_spi_probe()
864 			for (i = 0; i < master->num_chipselect; i++) {  in mtk_spi_probe()
866 							master->cs_gpios[i],  in mtk_spi_probe()
886 	ret = devm_spi_register_master(&pdev->dev, master);  in mtk_spi_probe()
888 		dev_err(&pdev->dev, "failed to register master (%d)\n", ret);  in mtk_spi_probe()
897 	spi_master_put(master);  in mtk_spi_probe()
904 	struct spi_master *master = platform_get_drvdata(pdev);  in mtk_spi_remove()  local
905 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_remove()
921 	struct spi_master *master = dev_get_drvdata(dev);  in mtk_spi_suspend()  local
922 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_suspend()
924 	ret = spi_master_suspend(master);  in mtk_spi_suspend()
937 	struct spi_master *master = dev_get_drvdata(dev);  in mtk_spi_resume()  local
938 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_resume()
948 	ret = spi_master_resume(master);  in mtk_spi_resume()
959 	struct spi_master *master = dev_get_drvdata(dev);  in mtk_spi_runtime_suspend()  local
960 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_runtime_suspend()
972 	struct spi_master *master = dev_get_drvdata(dev);  in mtk_spi_runtime_resume()  local
973 	struct mtk_spi *mdata = spi_master_get_devdata(master);  in mtk_spi_runtime_resume()