/* * Configure the hardware for software and LED blinking. * The user may choose to configure part of each, depending upon the * NIC being used. * * This requires the configuration to be set before this function * is called. */ void ath_led_config(struct ath_softc *sc) { /* Software LED blinking - GPIO controlled LED */ if (sc->sc_softled) { ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin, HAL_GPIO_OUTPUT_MUX_AS_OUTPUT); ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon); } /* Hardware LED blinking - MAC controlled LED */ if (sc->sc_hardled) { /* * Only enable each LED if required. * * Some NICs only have one LED connected; others may * have GPIO1/GPIO2 connected to other hardware. */ if (sc->sc_led_pwr_pin > 0) ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_led_pwr_pin, HAL_GPIO_OUTPUT_MUX_MAC_POWER_LED); if (sc->sc_led_net_pin > 0) ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_led_net_pin, HAL_GPIO_OUTPUT_MUX_MAC_NETWORK_LED); } }
/* * Turn the LED off: flip the pin and then set a timer so no * update will happen for the specified duration. */ static void ath_led_off(void *arg) { struct ath_softc *sc = arg; ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon); callout_reset(&sc->sc_ledtimer, sc->sc_ledoff, ath_led_done, sc); }
/* * Blink the LED according to the specified on/off times. */ static void ath_led_blink(struct ath_softc *sc, int on, int off) { DPRINTF(sc, ATH_DEBUG_LED, "%s: on %u off %u\n", __func__, on, off); ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, sc->sc_ledon); sc->sc_blinking = 1; sc->sc_ledoff = off; callout_reset(&sc->sc_ledtimer, on, ath_led_off, sc); }
/* * Turn the LED off: flip the pin and then set a timer so no * update will happen for the specified duration. */ static void ath_led_off(void *arg) { struct ath_softc *sc = arg; wlan_serialize_enter(); ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon); callout_reset(&sc->sc_ledtimer, sc->sc_ledoff, ath_led_done, sc); wlan_serialize_exit(); }
static int ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS) { struct ath_softc *sc = arg1; int ledpin = sc->sc_ledpin; int error; error = sysctl_handle_int(oidp, &ledpin, 0, req); if (error || !req->newptr) return error; if (ledpin != sc->sc_ledpin) { sc->sc_ledpin = ledpin; if (sc->sc_softled) { ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin, HAL_GPIO_MUX_MAC_NETWORK_LED); ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon); } } return 0; }
static int ath_sysctl_softled(SYSCTL_HANDLER_ARGS) { struct ath_softc *sc = arg1; int softled = sc->sc_softled; int error; error = sysctl_handle_int(oidp, &softled, 0, req); if (error || !req->newptr) return error; softled = (softled != 0); if (softled != sc->sc_softled) { if (softled) { /* NB: handle any sc_ledpin change */ ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin, HAL_GPIO_MUX_MAC_NETWORK_LED); ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon); } sc->sc_softled = softled; } return 0; }