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path: root/drivers/net/wireless/ath/ath9k/gpio.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/gpio.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/gpio.c169
1 files changed, 26 insertions, 143 deletions
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 133764069246..0fb8f8ac275a 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -20,121 +20,31 @@
/* LED functions */
/********************************/
-static void ath_led_blink_work(struct work_struct *work)
-{
- struct ath_softc *sc = container_of(work, struct ath_softc,
- ath_led_blink_work.work);
-
- if (!(sc->sc_flags & SC_OP_LED_ASSOCIATED))
- return;
-
- if ((sc->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
- (sc->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
- else
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
- (sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
-
- ieee80211_queue_delayed_work(sc->hw,
- &sc->ath_led_blink_work,
- (sc->sc_flags & SC_OP_LED_ON) ?
- msecs_to_jiffies(sc->led_off_duration) :
- msecs_to_jiffies(sc->led_on_duration));
-
- sc->led_on_duration = sc->led_on_cnt ?
- max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25) :
- ATH_LED_ON_DURATION_IDLE;
- sc->led_off_duration = sc->led_off_cnt ?
- max((ATH_LED_OFF_DURATION_IDLE - sc->led_off_cnt), 10) :
- ATH_LED_OFF_DURATION_IDLE;
- sc->led_on_cnt = sc->led_off_cnt = 0;
- if (sc->sc_flags & SC_OP_LED_ON)
- sc->sc_flags &= ~SC_OP_LED_ON;
- else
- sc->sc_flags |= SC_OP_LED_ON;
-}
-
+#ifdef CONFIG_MAC80211_LEDS
static void ath_led_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
- struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
- struct ath_softc *sc = led->sc;
-
- switch (brightness) {
- case LED_OFF:
- if (led->led_type == ATH_LED_ASSOC ||
- led->led_type == ATH_LED_RADIO) {
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
- (led->led_type == ATH_LED_RADIO));
- sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
- if (led->led_type == ATH_LED_RADIO)
- sc->sc_flags &= ~SC_OP_LED_ON;
- } else {
- sc->led_off_cnt++;
- }
- break;
- case LED_FULL:
- if (led->led_type == ATH_LED_ASSOC) {
- sc->sc_flags |= SC_OP_LED_ASSOCIATED;
- if (led_blink)
- ieee80211_queue_delayed_work(sc->hw,
- &sc->ath_led_blink_work, 0);
- } else if (led->led_type == ATH_LED_RADIO) {
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
- sc->sc_flags |= SC_OP_LED_ON;
- } else {
- sc->led_on_cnt++;
- }
- break;
- default:
- break;
- }
-}
-
-static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
- char *trigger)
-{
- int ret;
-
- led->sc = sc;
- led->led_cdev.name = led->name;
- led->led_cdev.default_trigger = trigger;
- led->led_cdev.brightness_set = ath_led_brightness;
-
- ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
- if (ret)
- ath_err(ath9k_hw_common(sc->sc_ah),
- "Failed to register led:%s", led->name);
- else
- led->registered = 1;
- return ret;
-}
-
-static void ath_unregister_led(struct ath_led *led)
-{
- if (led->registered) {
- led_classdev_unregister(&led->led_cdev);
- led->registered = 0;
- }
+ struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, (brightness == LED_OFF));
}
void ath_deinit_leds(struct ath_softc *sc)
{
- ath_unregister_led(&sc->assoc_led);
- sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
- ath_unregister_led(&sc->tx_led);
- ath_unregister_led(&sc->rx_led);
- ath_unregister_led(&sc->radio_led);
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
+ if (!sc->led_registered)
+ return;
+
+ ath_led_brightness(&sc->led_cdev, LED_OFF);
+ led_classdev_unregister(&sc->led_cdev);
}
void ath_init_leds(struct ath_softc *sc)
{
- char *trigger;
int ret;
if (AR_SREV_9287(sc->sc_ah))
sc->sc_ah->led_pin = ATH_LED_PIN_9287;
+ else if (AR_SREV_9485(sc->sc_ah))
+ sc->sc_ah->led_pin = ATH_LED_PIN_9485;
else
sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
@@ -144,48 +54,22 @@ void ath_init_leds(struct ath_softc *sc)
/* LED off, active low */
ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
- if (led_blink)
- INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
-
- trigger = ieee80211_get_radio_led_name(sc->hw);
- snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
- "ath9k-%s::radio", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->radio_led, trigger);
- sc->radio_led.led_type = ATH_LED_RADIO;
- if (ret)
- goto fail;
-
- trigger = ieee80211_get_assoc_led_name(sc->hw);
- snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
- "ath9k-%s::assoc", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->assoc_led, trigger);
- sc->assoc_led.led_type = ATH_LED_ASSOC;
- if (ret)
- goto fail;
-
- trigger = ieee80211_get_tx_led_name(sc->hw);
- snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
- "ath9k-%s::tx", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->tx_led, trigger);
- sc->tx_led.led_type = ATH_LED_TX;
- if (ret)
- goto fail;
-
- trigger = ieee80211_get_rx_led_name(sc->hw);
- snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
- "ath9k-%s::rx", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->rx_led, trigger);
- sc->rx_led.led_type = ATH_LED_RX;
- if (ret)
- goto fail;
-
- return;
-
-fail:
- if (led_blink)
- cancel_delayed_work_sync(&sc->ath_led_blink_work);
- ath_deinit_leds(sc);
+ if (!led_blink)
+ sc->led_cdev.default_trigger =
+ ieee80211_get_radio_led_name(sc->hw);
+
+ snprintf(sc->led_name, sizeof(sc->led_name),
+ "ath9k-%s", wiphy_name(sc->hw->wiphy));
+ sc->led_cdev.name = sc->led_name;
+ sc->led_cdev.brightness_set = ath_led_brightness;
+
+ ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);
+ if (ret < 0)
+ return;
+
+ sc->led_registered = true;
}
+#endif
/*******************/
/* Rfkill */
@@ -201,8 +85,7 @@ static bool ath_is_rfkill_set(struct ath_softc *sc)
void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
bool blocked = !!ath_is_rfkill_set(sc);
wiphy_rfkill_set_hw_state(hw->wiphy, blocked);