211 static void davinci_spi_chipselect(struct spi_device *spi, int value)  in davinci_spi_chipselect()  argument
215 	struct davinci_spi_config *spicfg = spi->controller_data;  in davinci_spi_chipselect()
216 	u8 chip_sel = spi->chip_select;  in davinci_spi_chipselect()
219 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_chipselect()
230 	if (spi->cs_gpio >= 0) {  in davinci_spi_chipselect()
232 			gpio_set_value(spi->cs_gpio, spi->mode & SPI_CS_HIGH);  in davinci_spi_chipselect()
234 			gpio_set_value(spi->cs_gpio,  in davinci_spi_chipselect()
235 				!(spi->mode & SPI_CS_HIGH));  in davinci_spi_chipselect()
279 static int davinci_spi_setup_transfer(struct spi_device *spi,  in davinci_spi_setup_transfer()  argument
289 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_setup_transfer()
290 	spicfg = spi->controller_data;  in davinci_spi_setup_transfer()
301 		bits_per_word = spi->bits_per_word;  in davinci_spi_setup_transfer()
310 		dspi->bytes_per_word[spi->chip_select] = 1;  in davinci_spi_setup_transfer()
314 		dspi->bytes_per_word[spi->chip_select] = 2;  in davinci_spi_setup_transfer()
318 		hz = spi->max_speed_hz;  in davinci_spi_setup_transfer()
328 	if (spi->mode & SPI_LSB_FIRST)  in davinci_spi_setup_transfer()
331 	if (spi->mode & SPI_CPOL)  in davinci_spi_setup_transfer()
334 	if (!(spi->mode & SPI_CPHA))  in davinci_spi_setup_transfer()
377 		if (spi->mode & SPI_READY) {  in davinci_spi_setup_transfer()
393 static int davinci_spi_of_setup(struct spi_device *spi)  in davinci_spi_of_setup()  argument
395 	struct davinci_spi_config *spicfg = spi->controller_data;  in davinci_spi_of_setup()
396 	struct device_node *np = spi->dev.of_node;  in davinci_spi_of_setup()
407 		spi->controller_data = spicfg;  in davinci_spi_of_setup()
419 static int davinci_spi_setup(struct spi_device *spi)  in davinci_spi_setup()  argument
424 	struct spi_master *master = spi->master;  in davinci_spi_setup()
425 	struct device_node *np = spi->dev.of_node;  in davinci_spi_setup()
428 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_setup()
431 	if (!(spi->mode & SPI_NO_CS)) {  in davinci_spi_setup()
432 		if (np && (master->cs_gpios != NULL) && (spi->cs_gpio >= 0)) {  in davinci_spi_setup()
434 				      spi->cs_gpio, !(spi->mode & SPI_CS_HIGH));  in davinci_spi_setup()
437 			   spi->chip_select < pdata->num_chipselect &&  in davinci_spi_setup()
438 			   pdata->chip_sel[spi->chip_select] != SPI_INTERN_CS) {  in davinci_spi_setup()
439 			spi->cs_gpio = pdata->chip_sel[spi->chip_select];  in davinci_spi_setup()
441 				      spi->cs_gpio, !(spi->mode & SPI_CS_HIGH));  in davinci_spi_setup()
446 			dev_err(&spi->dev, "GPIO %d setup failed (%d)\n",  in davinci_spi_setup()
447 				spi->cs_gpio, retval);  in davinci_spi_setup()
452 			set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select);  in davinci_spi_setup()
455 	if (spi->mode & SPI_READY)  in davinci_spi_setup()
458 	if (spi->mode & SPI_LOOP)  in davinci_spi_setup()
463 	return davinci_spi_of_setup(spi);  in davinci_spi_setup()
466 static void davinci_spi_cleanup(struct spi_device *spi)  in davinci_spi_cleanup()  argument
468 	struct davinci_spi_config *spicfg = spi->controller_data;  in davinci_spi_cleanup()
470 	spi->controller_data = NULL;  in davinci_spi_cleanup()
471 	if (spi->dev.of_node)  in davinci_spi_cleanup()
580 static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)  in davinci_spi_bufs()  argument
592 	dspi = spi_master_get_devdata(spi->master);  in davinci_spi_bufs()
594 	spicfg = (struct davinci_spi_config *)spi->controller_data;  in davinci_spi_bufs()
599 	data_type = dspi->bytes_per_word[spi->chip_select];  in davinci_spi_bufs()
652 		t->rx_dma = dma_map_single(&spi->dev, buf,  in davinci_spi_bufs()
666 		t->tx_dma = dma_map_single(&spi->dev, buf,  in davinci_spi_bufs()
720 		dma_unmap_single(&spi->dev, t->rx_dma,  in davinci_spi_bufs()
722 		dma_unmap_single(&spi->dev, t->tx_dma,  in davinci_spi_bufs()
737 							dev_name(&spi->dev));  in davinci_spi_bufs()
742 		dev_err(&spi->dev, "SPI data transfer error\n");  in davinci_spi_bufs()
749 	dma_unmap_single(&spi->dev, t->tx_dma, t->len, DMA_TO_DEVICE);  in davinci_spi_bufs()
751 	dma_unmap_single(&spi->dev, t->rx_dma, t->len, DMA_FROM_DEVICE);  in davinci_spi_bufs()