arm/allwinner/a10_gpio.c

177 a10_gpio_get_function(struct a10_gpio_softc *sc, uint32_t pin)
184 	if (pin > sc->padconf->npins)
186 	bank = sc->padconf->pins[pin].port;
187 	pin = sc->padconf->pins[pin].pin;
188 	offset = ((pin & 0x07) << 2);
190 	func = A10_GPIO_READ(sc, A10_GPIO_GP_CFG(bank, pin >> 3));
202 a10_gpio_set_function(struct a10_gpio_softc *sc, uint32_t pin, uint32_t f)
209 	bank = sc->padconf->pins[pin].port;
210 	pin = sc->padconf->pins[pin].pin;
211 	offset = ((pin & 0x07) << 2);
213 	data = A10_GPIO_READ(sc, A10_GPIO_GP_CFG(bank, pin >> 3));
216 	A10_GPIO_WRITE(sc, A10_GPIO_GP_CFG(bank, pin >> 3), data);
220 a10_gpio_get_pud(struct a10_gpio_softc *sc, uint32_t pin)
227 	bank = sc->padconf->pins[pin].port;
228 	pin = sc->padconf->pins[pin].pin;
229 	offset = ((pin & 0x0f) << 1);
231 	val = A10_GPIO_READ(sc, A10_GPIO_GP_PUL(bank, pin >> 4));
243 a10_gpio_set_pud(struct a10_gpio_softc *sc, uint32_t pin, uint32_t state)
250 	bank = sc->padconf->pins[pin].port;
251 	pin = sc->padconf->pins[pin].pin;
252 	offset = ((pin & 0x0f) << 1);
254 	val = A10_GPIO_READ(sc, A10_GPIO_GP_PUL(bank, pin >> 4));
257 	A10_GPIO_WRITE(sc, A10_GPIO_GP_PUL(bank, pin >> 4), val);
261 a10_gpio_set_drv(struct a10_gpio_softc *sc, uint32_t pin, uint32_t drive)
268 	bank = sc->padconf->pins[pin].port;
269 	pin = sc->padconf->pins[pin].pin;
270 	offset = ((pin & 0x0f) << 1);
272 	val = A10_GPIO_READ(sc, A10_GPIO_GP_DRV(bank, pin >> 4));
275 	A10_GPIO_WRITE(sc, A10_GPIO_GP_DRV(bank, pin >> 4), val);
279 a10_gpio_pin_configure(struct a10_gpio_softc *sc, uint32_t pin, uint32_t flags)
288 			a10_gpio_set_function(sc, pin, A10_GPIO_OUTPUT);
290 			a10_gpio_set_function(sc, pin, A10_GPIO_INPUT);
296 			a10_gpio_set_pud(sc, pin, A10_GPIO_PULLUP);
298 			a10_gpio_set_pud(sc, pin, A10_GPIO_PULLDOWN);
300 		a10_gpio_set_pud(sc, pin, A10_GPIO_NONE);
325 a10_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps)
330 	if (pin >= sc->padconf->npins)
339 a10_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags)
344 	if (pin >= sc->padconf->npins)
348 	*flags = a10_gpio_get_function(sc, pin);
349 	*flags |= a10_gpio_get_pud(sc, pin);
356 a10_gpio_pin_getname(device_t dev, uint32_t pin, char *name)
361 	if (pin >= sc->padconf->npins)
365 	    sc->padconf->pins[pin].name);
372 a10_gpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags)
377 	if (pin > sc->padconf->npins)
381 	a10_gpio_pin_configure(sc, pin, flags);
388 a10_gpio_pin_set(device_t dev, uint32_t pin, unsigned int value)
394 	if (pin > sc->padconf->npins)
397 	bank = sc->padconf->pins[pin].port;
398 	pin = sc->padconf->pins[pin].pin;
403 		data |= (1 << pin);
405 		data &= ~(1 << pin);
413 a10_gpio_pin_get(device_t dev, uint32_t pin, unsigned int *val)
419 	if (pin > sc->padconf->npins)
422 	bank = sc->padconf->pins[pin].port;
423 	pin = sc->padconf->pins[pin].pin;
428 	*val = (reg_data & (1 << pin)) ? 1 : 0;
434 a10_gpio_pin_toggle(device_t dev, uint32_t pin)
440 	if (pin > sc->padconf->npins)
443 	bank = sc->padconf->pins[pin].port;
444 	pin = sc->padconf->pins[pin].pin;
448 	if (data & (1 << pin))
449 		data &= ~(1 << pin);
451 		data |= (1 << pin);
471 aw_find_pin_func(struct a10_gpio_softc *sc, int pin, const char *func)
476 		if (sc->padconf->pins[pin].functions[i] &&
477 		    !strcmp(func, sc->padconf->pins[pin].functions[i]))
518 	/* Configure each pin to the correct function, drive and pull */
597 	/* Use the right pin data for the current SoC */
656     pcell_t *gpios, uint32_t *pin, uint32_t *flags)
663 	/* The GPIO pins are mapped as: <gpio-phandle bank pin flags>. */
666 		    sc->padconf->pins[i].pin == gpios[1]) {
667 			*pin = i;