arm/nvidia/as3722_gpio.c

151 	int rv, fnc, pin;
153 	for (pin = 0; pin < sc->gpio_npins; pin++) {
154 		if (strcmp(sc->gpio_pins[pin]->pin_name, pin_name) == 0)
157 	if (pin >= sc->gpio_npins) {
158 		device_printf(sc->dev, "Unknown pin: %s\n", pin_name);
162 	ctrl = sc->gpio_pins[pin]->pin_ctrl_reg;
163 	sc->gpio_pins[pin]->pin_cfg_flags = cfg->flags;
168 			    "Unknown function %s for pin %s\n", cfg->function,
169 			    sc->gpio_pins[pin]->pin_name);
202 	if (ctrl != sc->gpio_pins[pin]->pin_ctrl_reg) {
203 		rv = WR1(sc, AS3722_GPIO0_CONTROL + pin, ctrl);
204 		sc->gpio_pins[pin]->pin_ctrl_reg = ctrl;
250 			    "Cannot configure pin: %s: %d\n", pname, rv);
306 as3722_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps)
311 	if (pin >= sc->gpio_npins)
314 	*caps = sc->gpio_pins[pin]->pin_caps;
320 as3722_gpio_pin_getname(device_t dev, uint32_t pin, char *name)
325 	if (pin >= sc->gpio_npins)
328 	memcpy(name, sc->gpio_pins[pin]->pin_name, GPIOMAXNAME);
334 as3722_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *out_flags)
342 	if (pin >= sc->gpio_npins)
346 	tmp = sc->gpio_pins[pin]->pin_ctrl_reg;
351 	/* Is pin in GPIO mode ? */
386 as3722_gpio_get_mode(struct as3722_softc *sc, uint32_t pin, uint32_t gpio_flags)
391 	ctrl = sc->gpio_pins[pin]->pin_ctrl_reg;
392 	flags =  sc->gpio_pins[pin]->pin_cfg_flags;
430 as3722_gpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags)
437 	if (pin >= sc->gpio_npins)
441 	ctrl = sc->gpio_pins[pin]->pin_ctrl_reg;
443 	/* Is pin in GPIO mode ? */
448 	mode = as3722_gpio_get_mode(sc, pin, flags);
452 	if (ctrl != sc->gpio_pins[pin]->pin_ctrl_reg) {
453 		rv = WR1(sc, AS3722_GPIO0_CONTROL + pin, ctrl);
454 		sc->gpio_pins[pin]->pin_ctrl_reg = ctrl;
461 as3722_gpio_pin_set(device_t dev, uint32_t pin, uint32_t val)
468 	if (pin >= sc->gpio_npins)
472 	if (sc->gpio_pins[pin]->pin_ctrl_reg & AS3722_GPIO_INVERT)
476 	rv = RM1(sc, AS3722_GPIO_SIGNAL_OUT, (1 << pin), (tmp << pin));
482 as3722_gpio_pin_get(device_t dev, uint32_t pin, uint32_t *val)
489 	if (pin >= sc->gpio_npins)
493 	ctrl = sc->gpio_pins[pin]->pin_ctrl_reg;
504 	*val = tmp & (1 << pin) ? 1 : 0;
511 as3722_gpio_pin_toggle(device_t dev, uint32_t pin)
518 	if (pin >= sc->gpio_npins)
527 	tmp ^= (1 <<pin);
528 	rv = RM1(sc, AS3722_GPIO_SIGNAL_OUT, (1 << pin), tmp);
535     int gcells, pcell_t *gpios, uint32_t *pin, uint32_t *flags)
540 	*pin = gpios[0];
548 	struct as3722_gpio_pin *pin;
563 		pin = sc->gpio_pins[i];
564 		sprintf(pin->pin_name, "gpio%d", i);
565 		pin->pin_caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT  |
569 		rv = RD1(sc, AS3722_GPIO0_CONTROL + i, &pin->pin_ctrl_reg);
572 			    "Cannot read configuration for pin %s\n",