86 static void fsl_spi_change_mode(struct spi_device *spi)  in fsl_spi_change_mode()  argument
88 	struct mpc8xxx_spi *mspi = spi_master_get_devdata(spi->master);  in fsl_spi_change_mode()
89 	struct spi_mpc8xxx_cs *cs = spi->controller_state;  in fsl_spi_change_mode()
111 static void fsl_spi_chipselect(struct spi_device *spi, int value)  in fsl_spi_chipselect()  argument
113 	struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);  in fsl_spi_chipselect()
115 	bool pol = spi->mode & SPI_CS_HIGH;  in fsl_spi_chipselect()
116 	struct spi_mpc8xxx_cs	*cs = spi->controller_state;  in fsl_spi_chipselect()
118 	pdata = spi->dev.parent->parent->platform_data;  in fsl_spi_chipselect()
122 			pdata->cs_control(spi, !pol);  in fsl_spi_chipselect()
131 		fsl_spi_change_mode(spi);  in fsl_spi_chipselect()
134 			pdata->cs_control(spi, pol);  in fsl_spi_chipselect()
173 				struct spi_device *spi,  in mspi_apply_cpu_mode_quirks()  argument
194 					!(spi->mode & SPI_LSB_FIRST));  in mspi_apply_cpu_mode_quirks()
205 				struct spi_device *spi,  in mspi_apply_qe_mode_quirks()  argument
214 	if (spi->mode & SPI_LSB_FIRST &&  in mspi_apply_qe_mode_quirks()
222 static int fsl_spi_setup_transfer(struct spi_device *spi,  in fsl_spi_setup_transfer()  argument
229 	struct spi_mpc8xxx_cs	*cs = spi->controller_state;  in fsl_spi_setup_transfer()
231 	mpc8xxx_spi = spi_master_get_devdata(spi->master);  in fsl_spi_setup_transfer()
240 		bits_per_word = spi->bits_per_word;  in fsl_spi_setup_transfer()
243 		hz = spi->max_speed_hz;  in fsl_spi_setup_transfer()
246 		bits_per_word = mspi_apply_cpu_mode_quirks(cs, spi,  in fsl_spi_setup_transfer()
250 		bits_per_word = mspi_apply_qe_mode_quirks(cs, spi,  in fsl_spi_setup_transfer()
272 			  "Will use %d Hz instead.\n", dev_name(&spi->dev),  in fsl_spi_setup_transfer()
284 	fsl_spi_change_mode(spi);  in fsl_spi_setup_transfer()
306 static int fsl_spi_bufs(struct spi_device *spi, struct spi_transfer *t,  in fsl_spi_bufs()  argument
309 	struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);  in fsl_spi_bufs()
316 	bits_per_word = spi->bits_per_word;  in fsl_spi_bufs()
359 	struct spi_device *spi = m->spi;  in fsl_spi_do_one_msg()  local
371 			dev_err(&spi->dev,  in fsl_spi_do_one_msg()
382 				status = fsl_spi_setup_transfer(spi, t);  in fsl_spi_do_one_msg()
388 			fsl_spi_chipselect(spi, BITBANG_CS_ACTIVE);  in fsl_spi_do_one_msg()
393 			status = fsl_spi_bufs(spi, t, m->is_dma_mapped);  in fsl_spi_do_one_msg()
405 			fsl_spi_chipselect(spi, BITBANG_CS_INACTIVE);  in fsl_spi_do_one_msg()
415 		fsl_spi_chipselect(spi, BITBANG_CS_INACTIVE);  in fsl_spi_do_one_msg()
418 	fsl_spi_setup_transfer(spi, NULL);  in fsl_spi_do_one_msg()
422 static int fsl_spi_setup(struct spi_device *spi)  in fsl_spi_setup()  argument
428 	struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);  in fsl_spi_setup()
430 	if (!spi->max_speed_hz)  in fsl_spi_setup()
437 		spi_set_ctldata(spi, cs);  in fsl_spi_setup()
439 	mpc8xxx_spi = spi_master_get_devdata(spi->master);  in fsl_spi_setup()
449 	if (spi->mode & SPI_CPHA)  in fsl_spi_setup()
451 	if (spi->mode & SPI_CPOL)  in fsl_spi_setup()
453 	if (!(spi->mode & SPI_LSB_FIRST))  in fsl_spi_setup()
455 	if (spi->mode & SPI_LOOP)  in fsl_spi_setup()
458 	retval = fsl_spi_setup_transfer(spi, NULL);  in fsl_spi_setup()
465 		if (gpio_is_valid(spi->cs_gpio)) {  in fsl_spi_setup()
468 			retval = gpio_request(spi->cs_gpio,  in fsl_spi_setup()
469 					      dev_name(&spi->dev));  in fsl_spi_setup()
473 			desel = !(spi->mode & SPI_CS_HIGH);  in fsl_spi_setup()
474 			retval = gpio_direction_output(spi->cs_gpio, desel);  in fsl_spi_setup()
476 				gpio_free(spi->cs_gpio);  in fsl_spi_setup()
479 		} else if (spi->cs_gpio != -ENOENT) {  in fsl_spi_setup()
480 			if (spi->cs_gpio < 0)  in fsl_spi_setup()
481 				return spi->cs_gpio;  in fsl_spi_setup()
491 	fsl_spi_chipselect(spi, BITBANG_CS_INACTIVE);  in fsl_spi_setup()
496 static void fsl_spi_cleanup(struct spi_device *spi)  in fsl_spi_cleanup()  argument
498 	struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);  in fsl_spi_cleanup()
499 	struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);  in fsl_spi_cleanup()
501 	if (mpc8xxx_spi->type == TYPE_GRLIB && gpio_is_valid(spi->cs_gpio))  in fsl_spi_cleanup()
502 		gpio_free(spi->cs_gpio);  in fsl_spi_cleanup()
505 	spi_set_ctldata(spi, NULL);  in fsl_spi_cleanup()
562 static void fsl_spi_grlib_cs_control(struct spi_device *spi, bool on)  in fsl_spi_grlib_cs_control()  argument
564 	struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);  in fsl_spi_grlib_cs_control()
567 	u16 cs = spi->chip_select;  in fsl_spi_grlib_cs_control()
569 	if (gpio_is_valid(spi->cs_gpio)) {  in fsl_spi_grlib_cs_control()
570 		gpio_set_value(spi->cs_gpio, on);  in fsl_spi_grlib_cs_control()
699 static void fsl_spi_cs_control(struct spi_device *spi, bool on)  in fsl_spi_cs_control()  argument
701 	struct device *dev = spi->dev.parent->parent;  in fsl_spi_cs_control()
704 	u16 cs = spi->chip_select;  in fsl_spi_cs_control()