92 spi_to_spi_gpio(const struct spi_device *spi)  in spi_to_spi_gpio()  argument
97 	bang = spi_master_get_devdata(spi->master);  in spi_to_spi_gpio()
103 spi_to_pdata(const struct spi_device *spi)  in spi_to_pdata()  argument
105 	return &spi_to_spi_gpio(spi)->pdata;  in spi_to_pdata()
109 #define pdata		spi_to_pdata(spi)
111 static inline void setsck(const struct spi_device *spi, int is_on)  in setsck()  argument
116 static inline void setmosi(const struct spi_device *spi, int is_on)  in setmosi()  argument
121 static inline int getmiso(const struct spi_device *spi)  in getmiso()  argument
152 static u32 spi_gpio_txrx_word_mode0(struct spi_device *spi,  in spi_gpio_txrx_word_mode0()  argument
155 	return bitbang_txrx_be_cpha0(spi, nsecs, 0, 0, word, bits);  in spi_gpio_txrx_word_mode0()
158 static u32 spi_gpio_txrx_word_mode1(struct spi_device *spi,  in spi_gpio_txrx_word_mode1()  argument
161 	return bitbang_txrx_be_cpha1(spi, nsecs, 0, 0, word, bits);  in spi_gpio_txrx_word_mode1()
164 static u32 spi_gpio_txrx_word_mode2(struct spi_device *spi,  in spi_gpio_txrx_word_mode2()  argument
167 	return bitbang_txrx_be_cpha0(spi, nsecs, 1, 0, word, bits);  in spi_gpio_txrx_word_mode2()
170 static u32 spi_gpio_txrx_word_mode3(struct spi_device *spi,  in spi_gpio_txrx_word_mode3()  argument
173 	return bitbang_txrx_be_cpha1(spi, nsecs, 1, 0, word, bits);  in spi_gpio_txrx_word_mode3()
186 static u32 spi_gpio_spec_txrx_word_mode0(struct spi_device *spi,  in spi_gpio_spec_txrx_word_mode0()  argument
189 	unsigned flags = spi->master->flags;  in spi_gpio_spec_txrx_word_mode0()
190 	return bitbang_txrx_be_cpha0(spi, nsecs, 0, flags, word, bits);  in spi_gpio_spec_txrx_word_mode0()
193 static u32 spi_gpio_spec_txrx_word_mode1(struct spi_device *spi,  in spi_gpio_spec_txrx_word_mode1()  argument
196 	unsigned flags = spi->master->flags;  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 	unsigned flags = spi->master->flags;  in spi_gpio_spec_txrx_word_mode2()
204 	return bitbang_txrx_be_cpha0(spi, nsecs, 1, flags, word, bits);  in spi_gpio_spec_txrx_word_mode2()
207 static u32 spi_gpio_spec_txrx_word_mode3(struct spi_device *spi,  in spi_gpio_spec_txrx_word_mode3()  argument
210 	unsigned flags = spi->master->flags;  in spi_gpio_spec_txrx_word_mode3()
211 	return bitbang_txrx_be_cpha1(spi, nsecs, 1, flags, word, bits);  in spi_gpio_spec_txrx_word_mode3()
216 static void spi_gpio_chipselect(struct spi_device *spi, int is_active)  in spi_gpio_chipselect()  argument
218 	struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);  in spi_gpio_chipselect()
219 	unsigned long cs = spi_gpio->cs_gpios[spi->chip_select];  in spi_gpio_chipselect()
223 		setsck(spi, spi->mode & SPI_CPOL);  in spi_gpio_chipselect()
227 		gpio_set_value_cansleep(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active);  in spi_gpio_chipselect()
231 static int spi_gpio_setup(struct spi_device *spi)  in spi_gpio_setup()  argument
235 	struct spi_gpio		*spi_gpio = spi_to_spi_gpio(spi);  in spi_gpio_setup()
236 	struct device_node	*np = spi->master->dev.of_node;  in spi_gpio_setup()
243 		cs = spi_gpio->cs_gpios[spi->chip_select];  in spi_gpio_setup()
248 		cs = (uintptr_t) spi->controller_data;  in spi_gpio_setup()
251 	if (!spi->controller_state) {  in spi_gpio_setup()
253 			status = gpio_request(cs, dev_name(&spi->dev));  in spi_gpio_setup()
257 					!(spi->mode & SPI_CS_HIGH));  in spi_gpio_setup()
262 		spi_gpio->cs_gpios[spi->chip_select] = cs;  in spi_gpio_setup()
263 		status = spi_bitbang_setup(spi);  in spi_gpio_setup()
267 		if (!spi->controller_state && cs != SPI_GPIO_NO_CHIPSELECT)  in spi_gpio_setup()
273 static void spi_gpio_cleanup(struct spi_device *spi)  in spi_gpio_cleanup()  argument
275 	struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);  in spi_gpio_cleanup()
276 	unsigned long cs = spi_gpio->cs_gpios[spi->chip_select];  in spi_gpio_cleanup()
280 	spi_bitbang_cleanup(spi);  in spi_gpio_cleanup()