209 static void davinci_spi_chipselect(struct spi_device *spi, int value)  in davinci_spi_chipselect()  argument
213 	struct davinci_spi_config *spicfg = spi->controller_data;  in davinci_spi_chipselect()
214 	u8 chip_sel = spi->chip_select;  in davinci_spi_chipselect()
219 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_chipselect()
222 	if (spi->cs_gpio >= 0) {  in davinci_spi_chipselect()
225 		gpio = spi->cs_gpio;  in davinci_spi_chipselect()
238 			gpio_set_value(gpio, spi->mode & SPI_CS_HIGH);  in davinci_spi_chipselect()
240 			gpio_set_value(gpio, !(spi->mode & SPI_CS_HIGH));  in davinci_spi_chipselect()
283 static int davinci_spi_setup_transfer(struct spi_device *spi,  in davinci_spi_setup_transfer()  argument
293 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_setup_transfer()
294 	spicfg = spi->controller_data;  in davinci_spi_setup_transfer()
305 		bits_per_word = spi->bits_per_word;  in davinci_spi_setup_transfer()
314 		dspi->bytes_per_word[spi->chip_select] = 1;  in davinci_spi_setup_transfer()
318 		dspi->bytes_per_word[spi->chip_select] = 2;  in davinci_spi_setup_transfer()
322 		hz = spi->max_speed_hz;  in davinci_spi_setup_transfer()
332 	if (spi->mode & SPI_LSB_FIRST)  in davinci_spi_setup_transfer()
335 	if (spi->mode & SPI_CPOL)  in davinci_spi_setup_transfer()
338 	if (!(spi->mode & SPI_CPHA))  in davinci_spi_setup_transfer()
381 		if (spi->mode & SPI_READY) {  in davinci_spi_setup_transfer()
397 static int davinci_spi_of_setup(struct spi_device *spi)  in davinci_spi_of_setup()  argument
399 	struct davinci_spi_config *spicfg = spi->controller_data;  in davinci_spi_of_setup()
400 	struct device_node *np = spi->dev.of_node;  in davinci_spi_of_setup()
411 		spi->controller_data = spicfg;  in davinci_spi_of_setup()
423 static int davinci_spi_setup(struct spi_device *spi)  in davinci_spi_setup()  argument
428 	struct spi_master *master = spi->master;  in davinci_spi_setup()
429 	struct device_node *np = spi->dev.of_node;  in davinci_spi_setup()
432 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_setup()
435 	if (!(spi->mode & SPI_NO_CS)) {  in davinci_spi_setup()
436 		if (np && (master->cs_gpios != NULL) && (spi->cs_gpio >= 0)) {  in davinci_spi_setup()
438 				      spi->cs_gpio, !(spi->mode & SPI_CS_HIGH));  in davinci_spi_setup()
441 			   spi->chip_select < pdata->num_chipselect &&  in davinci_spi_setup()
442 			   pdata->chip_sel[spi->chip_select] != SPI_INTERN_CS) {  in davinci_spi_setup()
443 			spi->cs_gpio = pdata->chip_sel[spi->chip_select];  in davinci_spi_setup()
445 				      spi->cs_gpio, !(spi->mode & SPI_CS_HIGH));  in davinci_spi_setup()
450 			dev_err(&spi->dev, "GPIO %d setup failed (%d)\n",  in davinci_spi_setup()
451 				spi->cs_gpio, retval);  in davinci_spi_setup()
456 			set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select);  in davinci_spi_setup()
459 	if (spi->mode & SPI_READY)  in davinci_spi_setup()
462 	if (spi->mode & SPI_LOOP)  in davinci_spi_setup()
467 	return davinci_spi_of_setup(spi);  in davinci_spi_setup()
470 static void davinci_spi_cleanup(struct spi_device *spi)  in davinci_spi_cleanup()  argument
472 	struct davinci_spi_config *spicfg = spi->controller_data;  in davinci_spi_cleanup()
474 	spi->controller_data = NULL;  in davinci_spi_cleanup()
475 	if (spi->dev.of_node)  in davinci_spi_cleanup()
584 static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)  in davinci_spi_bufs()  argument
596 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_bufs()
598 	spicfg = (struct davinci_spi_config *)spi->controller_data;  in davinci_spi_bufs()
603 	data_type = dspi->bytes_per_word[spi->chip_select];  in davinci_spi_bufs()
656 		t->rx_dma = dma_map_single(&spi->dev, buf,  in davinci_spi_bufs()
670 		t->tx_dma = dma_map_single(&spi->dev, buf,  in davinci_spi_bufs()
724 		dma_unmap_single(&spi->dev, t->rx_dma,  in davinci_spi_bufs()
726 		dma_unmap_single(&spi->dev, t->tx_dma,  in davinci_spi_bufs()
741 							dev_name(&spi->dev));  in davinci_spi_bufs()
746 		dev_err(&spi->dev, "SPI data transfer error\n");  in davinci_spi_bufs()
753 	dma_unmap_single(&spi->dev, t->tx_dma, t->len, DMA_TO_DEVICE);  in davinci_spi_bufs()
755 	dma_unmap_single(&spi->dev, t->rx_dma, t->len, DMA_FROM_DEVICE);  in davinci_spi_bufs()