75 spi_to_spi_gpio(const struct spi_device *spi)  in spi_to_spi_gpio()  argument
80 	bang = spi_controller_get_devdata(spi->controller);  in spi_to_spi_gpio()
86 static inline void setsck(const struct spi_device *spi, int is_on)  in setsck()  argument
88 	struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);  in setsck()
93 static inline void setmosi(const struct spi_device *spi, int is_on)  in setmosi()  argument
95 	struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);  in setmosi()
100 static inline int getmiso(const struct spi_device *spi)  in getmiso()  argument
102 	struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);  in getmiso()
104 	if (spi->mode & SPI_3WIRE)  in getmiso()
134 static u32 spi_gpio_txrx_word_mode0(struct spi_device *spi,  in spi_gpio_txrx_word_mode0()  argument
137 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_txrx_word_mode0()
138 		return bitbang_txrx_le_cpha0(spi, nsecs, 0, flags, word, bits);  in spi_gpio_txrx_word_mode0()
140 		return bitbang_txrx_be_cpha0(spi, nsecs, 0, flags, word, bits);  in spi_gpio_txrx_word_mode0()
143 static u32 spi_gpio_txrx_word_mode1(struct spi_device *spi,  in spi_gpio_txrx_word_mode1()  argument
146 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_txrx_word_mode1()
147 		return bitbang_txrx_le_cpha1(spi, nsecs, 0, flags, word, bits);  in spi_gpio_txrx_word_mode1()
149 		return bitbang_txrx_be_cpha1(spi, nsecs, 0, flags, word, bits);  in spi_gpio_txrx_word_mode1()
152 static u32 spi_gpio_txrx_word_mode2(struct spi_device *spi,  in spi_gpio_txrx_word_mode2()  argument
155 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_txrx_word_mode2()
156 		return bitbang_txrx_le_cpha0(spi, nsecs, 1, flags, word, bits);  in spi_gpio_txrx_word_mode2()
158 		return bitbang_txrx_be_cpha0(spi, nsecs, 1, flags, word, bits);  in spi_gpio_txrx_word_mode2()
161 static u32 spi_gpio_txrx_word_mode3(struct spi_device *spi,  in spi_gpio_txrx_word_mode3()  argument
164 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_txrx_word_mode3()
165 		return bitbang_txrx_le_cpha1(spi, nsecs, 1, flags, word, bits);  in spi_gpio_txrx_word_mode3()
167 		return bitbang_txrx_be_cpha1(spi, nsecs, 1, flags, word, bits);  in spi_gpio_txrx_word_mode3()
180 static u32 spi_gpio_spec_txrx_word_mode0(struct spi_device *spi,  in spi_gpio_spec_txrx_word_mode0()  argument
183 	flags = spi->controller->flags;  in spi_gpio_spec_txrx_word_mode0()
184 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_spec_txrx_word_mode0()
185 		return bitbang_txrx_le_cpha0(spi, nsecs, 0, flags, word, bits);  in spi_gpio_spec_txrx_word_mode0()
187 		return bitbang_txrx_be_cpha0(spi, nsecs, 0, flags, word, bits);  in spi_gpio_spec_txrx_word_mode0()
190 static u32 spi_gpio_spec_txrx_word_mode1(struct spi_device *spi,  in spi_gpio_spec_txrx_word_mode1()  argument
193 	flags = spi->controller->flags;  in spi_gpio_spec_txrx_word_mode1()
194 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_spec_txrx_word_mode1()
195 		return bitbang_txrx_le_cpha1(spi, nsecs, 0, flags, word, bits);  in spi_gpio_spec_txrx_word_mode1()
197 		return bitbang_txrx_be_cpha1(spi, nsecs, 0, flags, word, bits);  in spi_gpio_spec_txrx_word_mode1()
200 static u32 spi_gpio_spec_txrx_word_mode2(struct spi_device *spi,  in spi_gpio_spec_txrx_word_mode2()  argument
203 	flags = spi->controller->flags;  in spi_gpio_spec_txrx_word_mode2()
204 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_spec_txrx_word_mode2()
205 		return bitbang_txrx_le_cpha0(spi, nsecs, 1, flags, word, bits);  in spi_gpio_spec_txrx_word_mode2()
207 		return bitbang_txrx_be_cpha0(spi, nsecs, 1, flags, word, bits);  in spi_gpio_spec_txrx_word_mode2()
210 static u32 spi_gpio_spec_txrx_word_mode3(struct spi_device *spi,  in spi_gpio_spec_txrx_word_mode3()  argument
213 	flags = spi->controller->flags;  in spi_gpio_spec_txrx_word_mode3()
214 	if (unlikely(spi->mode & SPI_LSB_FIRST))  in spi_gpio_spec_txrx_word_mode3()
215 		return bitbang_txrx_le_cpha1(spi, nsecs, 1, flags, word, bits);  in spi_gpio_spec_txrx_word_mode3()
217 		return bitbang_txrx_be_cpha1(spi, nsecs, 1, flags, word, bits);  in spi_gpio_spec_txrx_word_mode3()
222 static void spi_gpio_chipselect(struct spi_device *spi, int is_active)  in spi_gpio_chipselect()  argument
224 	struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);  in spi_gpio_chipselect()
228 		gpiod_set_value_cansleep(spi_gpio->sck, spi->mode & SPI_CPOL);  in spi_gpio_chipselect()
232 		struct gpio_desc *cs = spi_gpio->cs_gpios[spi_get_chipselect(spi, 0)];  in spi_gpio_chipselect()
235 		gpiod_set_value_cansleep(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active);  in spi_gpio_chipselect()
239 static int spi_gpio_setup(struct spi_device *spi)  in spi_gpio_setup()  argument
243 	struct spi_gpio		*spi_gpio = spi_to_spi_gpio(spi);  in spi_gpio_setup()
250 		cs = spi_gpio->cs_gpios[spi_get_chipselect(spi, 0)];  in spi_gpio_setup()
251 		if (!spi->controller_state && cs)  in spi_gpio_setup()
253 						  !(spi->mode & SPI_CS_HIGH));  in spi_gpio_setup()
257 		status = spi_bitbang_setup(spi);  in spi_gpio_setup()
262 static int spi_gpio_set_direction(struct spi_device *spi, bool output)  in spi_gpio_set_direction()  argument
264 	struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);  in spi_gpio_set_direction()
278 	if (spi->mode & SPI_3WIRE) {  in spi_gpio_set_direction()
291 	if (spi->mode & SPI_3WIRE_HIZ) {  in spi_gpio_set_direction()
293 					 !(spi->mode & SPI_CPOL));  in spi_gpio_set_direction()
295 					 !!(spi->mode & SPI_CPOL));  in spi_gpio_set_direction()
300 static void spi_gpio_cleanup(struct spi_device *spi)  in spi_gpio_cleanup()  argument
302 	spi_bitbang_cleanup(spi);  in spi_gpio_cleanup()