460 static void spi_sirfsoc_cmd_transfer(struct spi_device *spi,  in spi_sirfsoc_cmd_transfer()  argument
467 	sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_cmd_transfer()
471 	if (sspi->word_width == 1 && !(spi->mode & SPI_LSB_FIRST))  in spi_sirfsoc_cmd_transfer()
475 			(!(spi->mode & SPI_LSB_FIRST)))  in spi_sirfsoc_cmd_transfer()
483 		dev_err(&spi->dev, "cmd transfer timeout\n");  in spi_sirfsoc_cmd_transfer()
489 static void spi_sirfsoc_dma_transfer(struct spi_device *spi,  in spi_sirfsoc_dma_transfer()  argument
496 	sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_dma_transfer()
548 	sspi->dst_start = dma_map_single(&spi->dev, sspi->rx, t->len,  in spi_sirfsoc_dma_transfer()
557 	sspi->src_start = dma_map_single(&spi->dev, (void *)sspi->tx, t->len,  in spi_sirfsoc_dma_transfer()
580 		dev_err(&spi->dev, "transfer timeout\n");  in spi_sirfsoc_dma_transfer()
590 		dev_err(&spi->dev, "transfer timeout\n");  in spi_sirfsoc_dma_transfer()
596 	dma_unmap_single(&spi->dev, sspi->src_start, t->len, DMA_TO_DEVICE);  in spi_sirfsoc_dma_transfer()
597 	dma_unmap_single(&spi->dev, sspi->dst_start, t->len, DMA_FROM_DEVICE);  in spi_sirfsoc_dma_transfer()
608 static void spi_sirfsoc_pio_transfer(struct spi_device *spi,  in spi_sirfsoc_pio_transfer()  argument
615 	sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_pio_transfer()
687 			dev_err(&spi->dev, "transfer timeout\n");  in spi_sirfsoc_pio_transfer()
705 static int spi_sirfsoc_transfer(struct spi_device *spi, struct spi_transfer *t)  in spi_sirfsoc_transfer()  argument
709 	sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_transfer()
721 		spi_sirfsoc_cmd_transfer(spi, t);  in spi_sirfsoc_transfer()
723 		spi_sirfsoc_dma_transfer(spi, t);  in spi_sirfsoc_transfer()
725 		spi_sirfsoc_pio_transfer(spi, t);  in spi_sirfsoc_transfer()
730 static void spi_sirfsoc_chipselect(struct spi_device *spi, int value)  in spi_sirfsoc_chipselect()  argument
732 	struct sirfsoc_spi *sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_chipselect()
742 				if (spi->mode & SPI_CS_HIGH)  in spi_sirfsoc_chipselect()
748 				if (spi->mode & SPI_CS_HIGH)  in spi_sirfsoc_chipselect()
762 				if (spi->mode & SPI_CS_HIGH)  in spi_sirfsoc_chipselect()
768 				if (spi->mode & SPI_CS_HIGH)  in spi_sirfsoc_chipselect()
781 			gpio_direction_output(spi->cs_gpio,  in spi_sirfsoc_chipselect()
782 					spi->mode & SPI_CS_HIGH ? 1 : 0);  in spi_sirfsoc_chipselect()
785 			gpio_direction_output(spi->cs_gpio,  in spi_sirfsoc_chipselect()
786 					spi->mode & SPI_CS_HIGH ? 0 : 1);  in spi_sirfsoc_chipselect()
792 static int spi_sirfsoc_config_mode(struct spi_device *spi)  in spi_sirfsoc_config_mode()  argument
797 	sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_config_mode()
800 	if (!(spi->mode & SPI_CS_HIGH)) {  in spi_sirfsoc_config_mode()
807 	if (!(spi->mode & SPI_LSB_FIRST)) {  in spi_sirfsoc_config_mode()
814 	if (spi->mode & SPI_CPOL) {  in spi_sirfsoc_config_mode()
825 	if (((spi->mode & SPI_CPOL) && (spi->mode & SPI_CPHA)) ||  in spi_sirfsoc_config_mode()
826 	    (!(spi->mode & SPI_CPOL) && !(spi->mode & SPI_CPHA))) {  in spi_sirfsoc_config_mode()
871 spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)  in spi_sirfsoc_setup_transfer()  argument
878 	sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_setup_transfer()
880 	bits_per_word = (t) ? t->bits_per_word : spi->bits_per_word;  in spi_sirfsoc_setup_transfer()
881 	hz = t && t->speed_hz ? t->speed_hz : spi->max_speed_hz;  in spi_sirfsoc_setup_transfer()
885 		dev_err(&spi->dev, "Speed %d not supported\n", hz);  in spi_sirfsoc_setup_transfer()
908 		dev_err(&spi->dev, "bpw %d not supported\n", bits_per_word);  in spi_sirfsoc_setup_transfer()
964 	spi_sirfsoc_config_mode(spi);  in spi_sirfsoc_setup_transfer()
995 static int spi_sirfsoc_setup(struct spi_device *spi)  in spi_sirfsoc_setup()  argument
1000 	sspi = spi_master_get_devdata(spi->master);  in spi_sirfsoc_setup()
1001 	if (spi->cs_gpio == -ENOENT)  in spi_sirfsoc_setup()
1005 		if (!spi_get_ctldata(spi)) {  in spi_sirfsoc_setup()
1011 			ret = gpio_is_valid(spi->cs_gpio);  in spi_sirfsoc_setup()
1013 				dev_err(&spi->dev, "no valid gpio\n");  in spi_sirfsoc_setup()
1017 			ret = gpio_request(spi->cs_gpio, DRIVER_NAME);  in spi_sirfsoc_setup()
1019 				dev_err(&spi->dev, "failed to request gpio\n");  in spi_sirfsoc_setup()
1022 			spi_set_ctldata(spi, cs);  in spi_sirfsoc_setup()
1025 	spi_sirfsoc_config_mode(spi);  in spi_sirfsoc_setup()
1026 	spi_sirfsoc_chipselect(spi, BITBANG_CS_INACTIVE);  in spi_sirfsoc_setup()
1031 static void spi_sirfsoc_cleanup(struct spi_device *spi)  in spi_sirfsoc_cleanup()  argument
1033 	if (spi_get_ctldata(spi)) {  in spi_sirfsoc_cleanup()
1034 		gpio_free(spi->cs_gpio);  in spi_sirfsoc_cleanup()
1035 		kfree(spi_get_ctldata(spi));  in spi_sirfsoc_cleanup()