static int gpiobus_pin_getname(device_t dev, uint32_t pin, char *name) { struct gpiobus_softc *sc; sc = GPIOBUS_SOFTC(dev); if (pin > sc->sc_npins) return (EINVAL); /* Did we have a name for this pin ? */ if (sc->sc_pins[pin].name != NULL) { memcpy(name, sc->sc_pins[pin].name, GPIOMAXNAME); return (0); } /* Return the default pin name. */ return (GPIO_PIN_GETNAME(device_get_parent(dev), pin, name)); }
static int gpioc_ioctl(struct cdev *cdev, u_long cmd, caddr_t arg, int fflag, struct thread *td) { int max_pin, res; struct gpioc_softc *sc = cdev->si_drv1; struct gpio_pin pin; struct gpio_req req; switch (cmd) { case GPIOMAXPIN: max_pin = -1; res = GPIO_PIN_MAX(sc->sc_pdev, &max_pin); bcopy(&max_pin, arg, sizeof(max_pin)); break; case GPIOGETCONFIG: bcopy(arg, &pin, sizeof(pin)); dprintf("get config pin %d\n", pin.gp_pin); res = GPIO_PIN_GETFLAGS(sc->sc_pdev, pin.gp_pin, &pin.gp_flags); /* Fail early */ if (res) break; GPIO_PIN_GETCAPS(sc->sc_pdev, pin.gp_pin, &pin.gp_caps); GPIO_PIN_GETNAME(sc->sc_pdev, pin.gp_pin, pin.gp_name); bcopy(&pin, arg, sizeof(pin)); break; case GPIOSETCONFIG: bcopy(arg, &pin, sizeof(pin)); dprintf("set config pin %d\n", pin.gp_pin); res = GPIO_PIN_SETFLAGS(sc->sc_pdev, pin.gp_pin, pin.gp_flags); break; case GPIOGET: bcopy(arg, &req, sizeof(req)); res = GPIO_PIN_GET(sc->sc_pdev, req.gp_pin, &req.gp_value); dprintf("read pin %d -> %d\n", req.gp_pin, req.gp_value); bcopy(&req, arg, sizeof(req)); break; case GPIOSET: bcopy(arg, &req, sizeof(req)); res = GPIO_PIN_SET(sc->sc_pdev, req.gp_pin, req.gp_value); dprintf("write pin %d -> %d\n", req.gp_pin, req.gp_value); break; case GPIOTOGGLE: bcopy(arg, &req, sizeof(req)); dprintf("toggle pin %d\n", req.gp_pin); res = GPIO_PIN_TOGGLE(sc->sc_pdev, req.gp_pin); break; default: return (ENOTTY); break; } return (res); }