leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ath9k: use generic mac80211 LED blinking code

Browse Source 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-02-27 22:26:40 +01:00 committed by John W. Linville
parent a5a7103fe1
commit 0cf55c21ec
4 changed files with 58 additions and 167 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -449,26 +449,20 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc);
#define ATH_LED_PIN_DEF 1
#define ATH_LED_PIN_9287 8
#define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
#define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
enum ath_led_type {
ATH_LED_RADIO,
ATH_LED_ASSOC,
ATH_LED_TX,
ATH_LED_RX
};
struct ath_led {
struct ath_softc *sc;
struct led_classdev led_cdev;
enum ath_led_type led_type;
char name[32];
bool registered;
};
#ifdef CONFIG_MAC80211_LEDS
void ath_init_leds(struct ath_softc *sc);
void ath_deinit_leds(struct ath_softc *sc);
#else
static inline void ath_init_leds(struct ath_softc *sc)
{
}
static inline void ath_deinit_leds(struct ath_softc *sc)
{
}
#endif
/* Antenna diversity/combining */
#define ATH_ANT_RX_CURRENT_SHIFT 4
@ -620,15 +614,11 @@ struct ath_softc {
struct ath_beacon beacon;
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct ath_led radio_led;
struct ath_led assoc_led;
struct ath_led tx_led;
struct ath_led rx_led;
struct delayed_work ath_led_blink_work;
int led_on_duration;
int led_off_duration;
int led_on_cnt;
int led_off_cnt;
#ifdef CONFIG_MAC80211_LEDS
bool led_registered;
char led_name[32];
struct led_classdev led_cdev;
#endif
struct ath9k_hw_cal_data caldata;
int last_rssi;

156
drivers/net/wireless/ath/ath9k/gpio.c
View File

@ -20,117 +20,25 @@
/* 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))
@ -144,48 +52,22 @@ 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);
if (!led_blink)
sc->led_cdev.default_trigger =
ieee80211_get_radio_led_name(sc->hw);
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;
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;
fail:
if (led_blink)
cancel_delayed_work_sync(&sc->ath_led_blink_work);
ath_deinit_leds(sc);
sc->led_registered = true;
}
#endif
/*******************/
/* Rfkill */

22
drivers/net/wireless/ath/ath9k/init.c
View File

@ -140,6 +140,21 @@ static struct ieee80211_rate ath9k_legacy_rates[] = {
RATE(540, 0x0c, 0),
};
#ifdef CONFIG_MAC80211_LEDS
static const struct ieee80211_tpt_blink ath9k_tpt_blink[] = {
{ .throughput = 0 * 1024, .blink_time = 334 },
{ .throughput = 1 * 1024, .blink_time = 260 },
{ .throughput = 5 * 1024, .blink_time = 220 },
{ .throughput = 10 * 1024, .blink_time = 190 },
{ .throughput = 20 * 1024, .blink_time = 170 },
{ .throughput = 50 * 1024, .blink_time = 150 },
{ .throughput = 70 * 1024, .blink_time = 130 },
{ .throughput = 100 * 1024, .blink_time = 110 },
{ .throughput = 200 * 1024, .blink_time = 80 },
{ .throughput = 300 * 1024, .blink_time = 50 },
};
#endif
static void ath9k_deinit_softc(struct ath_softc *sc);
/*
@ -731,6 +746,13 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
ath9k_init_txpower_limits(sc);
#ifdef CONFIG_MAC80211_LEDS
/* must be initialized before ieee80211_register_hw */
sc->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_tpt_blink,
ARRAY_SIZE(ath9k_tpt_blink));
#endif
/* Register with mac80211 */
error = ieee80211_register_hw(hw);
if (error)

3
drivers/net/wireless/ath/ath9k/main.c
View File

@ -1216,9 +1216,6 @@ static void ath9k_stop(struct ieee80211_hw *hw)
mutex_lock(&sc->mutex);
if (led_blink)
cancel_delayed_work_sync(&sc->ath_led_blink_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
cancel_delayed_work_sync(&sc->hw_pll_work);
cancel_work_sync(&sc->paprd_work);