49 	u32		(*txrx_word)(struct spi_device *spi, unsigned nsecs,
53 						struct spi_device *spi,
60 	struct spi_device	*spi,  in bitbang_txrx_8()  argument
61 	u32			(*txrx_word)(struct spi_device *spi,  in bitbang_txrx_8()  argument
77 		word = txrx_word(spi, ns, word, bits);  in bitbang_txrx_8()
86 	struct spi_device	*spi,  in bitbang_txrx_16()  argument
87 	u32			(*txrx_word)(struct spi_device *spi,  in bitbang_txrx_16()  argument
103 		word = txrx_word(spi, ns, word, bits);  in bitbang_txrx_16()
112 	struct spi_device	*spi,  in bitbang_txrx_32()  argument
113 	u32			(*txrx_word)(struct spi_device *spi,  in bitbang_txrx_32()  argument
129 		word = txrx_word(spi, ns, word, bits);  in bitbang_txrx_32()
137 int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t)  in spi_bitbang_setup_transfer()  argument
139 	struct spi_bitbang_cs	*cs = spi->controller_state;  in spi_bitbang_setup_transfer()
153 		bits_per_word = spi->bits_per_word;  in spi_bitbang_setup_transfer()
165 		hz = spi->max_speed_hz;  in spi_bitbang_setup_transfer()
179 int spi_bitbang_setup(struct spi_device *spi)  in spi_bitbang_setup()  argument
181 	struct spi_bitbang_cs	*cs = spi->controller_state;  in spi_bitbang_setup()
185 	bitbang = spi_master_get_devdata(spi->master);  in spi_bitbang_setup()
191 		spi->controller_state = cs;  in spi_bitbang_setup()
195 	cs->txrx_word = bitbang->txrx_word[spi->mode & (SPI_CPOL|SPI_CPHA)];  in spi_bitbang_setup()
200 		int retval = bitbang->setup_transfer(spi, NULL);  in spi_bitbang_setup()
205 	dev_dbg(&spi->dev, "%s, %u nsec/bit\n", __func__, 2 * cs->nsecs);  in spi_bitbang_setup()
215 		bitbang->chipselect(spi, BITBANG_CS_INACTIVE);  in spi_bitbang_setup()
227 void spi_bitbang_cleanup(struct spi_device *spi)  in spi_bitbang_cleanup()  argument
229 	kfree(spi->controller_state);  in spi_bitbang_cleanup()
233 static int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t)  in spi_bitbang_bufs()  argument
235 	struct spi_bitbang_cs	*cs = spi->controller_state;  in spi_bitbang_bufs()
238 	return cs->txrx_bufs(spi, cs->txrx_word, nsecs, t);  in spi_bitbang_bufs()
255 static int spi_bitbang_prepare_hardware(struct spi_master *spi)  in spi_bitbang_prepare_hardware()  argument
260 	bitbang = spi_master_get_devdata(spi);  in spi_bitbang_prepare_hardware()
278 	struct spi_device	*spi = m->spi;  in spi_bitbang_transfer_one()  local
300 				status = bitbang->setup_transfer(spi, t);  in spi_bitbang_transfer_one()
315 			bitbang->chipselect(spi, BITBANG_CS_ACTIVE);  in spi_bitbang_transfer_one()
334 			status = bitbang->txrx_bufs(spi, t);  in spi_bitbang_transfer_one()
356 			bitbang->chipselect(spi, BITBANG_CS_INACTIVE);  in spi_bitbang_transfer_one()
369 		bitbang->chipselect(spi, BITBANG_CS_INACTIVE);  in spi_bitbang_transfer_one()
378 static int spi_bitbang_unprepare_hardware(struct spi_master *spi)  in spi_bitbang_unprepare_hardware()  argument
383 	bitbang = spi_master_get_devdata(spi);  in spi_bitbang_unprepare_hardware()