ath9k: Add a new file for GPIO
Move all LED/RFKILL/BTCOEX related code to gpio.c Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
cc5d8a3772
commit
0fca65c1c0
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@ -1,4 +1,5 @@
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ath9k-y += beacon.o \
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gpio.o \
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main.o \
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recv.o \
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xmit.o \
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@ -341,6 +341,10 @@ int ath_beaconq_config(struct ath_softc *sc);
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#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
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#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
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/**********/
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/* BTCOEX */
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/**********/
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/* Defines the BT AR_BT_COEX_WGHT used */
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enum ath_stomp_type {
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ATH_BTCOEX_NO_STOMP,
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@ -361,6 +365,10 @@ struct ath_btcoex {
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struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
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};
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int ath_init_btcoex_timer(struct ath_softc *sc);
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void ath9k_btcoex_timer_resume(struct ath_softc *sc);
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void ath9k_btcoex_timer_pause(struct ath_softc *sc);
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/********************/
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/* LED Control */
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/********************/
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@ -385,6 +393,9 @@ struct ath_led {
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bool registered;
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};
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void ath_init_leds(struct ath_softc *sc);
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void ath_deinit_leds(struct ath_softc *sc);
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/********************/
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/* Main driver core */
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/********************/
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@ -582,4 +593,8 @@ void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
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void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
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int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
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void ath_start_rfkill_poll(struct ath_softc *sc);
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extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
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#endif /* ATH9K_H */
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428
drivers/net/wireless/ath/ath9k/gpio.c
Normal file
428
drivers/net/wireless/ath/ath9k/gpio.c
Normal file
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@ -0,0 +1,428 @@
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/*
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* Copyright (c) 2008-2009 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "ath9k.h"
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/********************************/
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/* LED functions */
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/********************************/
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static void ath_led_blink_work(struct work_struct *work)
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{
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struct ath_softc *sc = container_of(work, struct ath_softc,
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ath_led_blink_work.work);
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if (!(sc->sc_flags & SC_OP_LED_ASSOCIATED))
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return;
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if ((sc->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
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(sc->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
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ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
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else
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ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
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(sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
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ieee80211_queue_delayed_work(sc->hw,
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&sc->ath_led_blink_work,
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(sc->sc_flags & SC_OP_LED_ON) ?
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msecs_to_jiffies(sc->led_off_duration) :
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msecs_to_jiffies(sc->led_on_duration));
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sc->led_on_duration = sc->led_on_cnt ?
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max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25) :
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ATH_LED_ON_DURATION_IDLE;
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sc->led_off_duration = sc->led_off_cnt ?
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max((ATH_LED_OFF_DURATION_IDLE - sc->led_off_cnt), 10) :
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ATH_LED_OFF_DURATION_IDLE;
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sc->led_on_cnt = sc->led_off_cnt = 0;
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if (sc->sc_flags & SC_OP_LED_ON)
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sc->sc_flags &= ~SC_OP_LED_ON;
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else
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sc->sc_flags |= SC_OP_LED_ON;
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}
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static void ath_led_brightness(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
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struct ath_softc *sc = led->sc;
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switch (brightness) {
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case LED_OFF:
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if (led->led_type == ATH_LED_ASSOC ||
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led->led_type == ATH_LED_RADIO) {
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ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
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(led->led_type == ATH_LED_RADIO));
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sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
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if (led->led_type == ATH_LED_RADIO)
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sc->sc_flags &= ~SC_OP_LED_ON;
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} else {
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sc->led_off_cnt++;
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}
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break;
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case LED_FULL:
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if (led->led_type == ATH_LED_ASSOC) {
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sc->sc_flags |= SC_OP_LED_ASSOCIATED;
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ieee80211_queue_delayed_work(sc->hw,
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&sc->ath_led_blink_work, 0);
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} else if (led->led_type == ATH_LED_RADIO) {
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ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
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sc->sc_flags |= SC_OP_LED_ON;
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} else {
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sc->led_on_cnt++;
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}
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break;
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default:
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break;
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}
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}
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static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
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char *trigger)
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{
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int ret;
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led->sc = sc;
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led->led_cdev.name = led->name;
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led->led_cdev.default_trigger = trigger;
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led->led_cdev.brightness_set = ath_led_brightness;
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ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
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if (ret)
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ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
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"Failed to register led:%s", led->name);
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else
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led->registered = 1;
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return ret;
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}
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static void ath_unregister_led(struct ath_led *led)
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{
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if (led->registered) {
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led_classdev_unregister(&led->led_cdev);
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led->registered = 0;
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}
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}
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void ath_deinit_leds(struct ath_softc *sc)
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{
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ath_unregister_led(&sc->assoc_led);
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sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
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ath_unregister_led(&sc->tx_led);
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ath_unregister_led(&sc->rx_led);
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ath_unregister_led(&sc->radio_led);
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ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
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}
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void ath_init_leds(struct ath_softc *sc)
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{
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char *trigger;
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int ret;
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if (AR_SREV_9287(sc->sc_ah))
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sc->sc_ah->led_pin = ATH_LED_PIN_9287;
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else
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sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
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/* Configure gpio 1 for output */
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ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
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AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
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/* LED off, active low */
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ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
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INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
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trigger = ieee80211_get_radio_led_name(sc->hw);
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snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
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"ath9k-%s::radio", wiphy_name(sc->hw->wiphy));
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ret = ath_register_led(sc, &sc->radio_led, trigger);
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sc->radio_led.led_type = ATH_LED_RADIO;
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if (ret)
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goto fail;
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trigger = ieee80211_get_assoc_led_name(sc->hw);
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snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
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"ath9k-%s::assoc", wiphy_name(sc->hw->wiphy));
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ret = ath_register_led(sc, &sc->assoc_led, trigger);
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sc->assoc_led.led_type = ATH_LED_ASSOC;
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if (ret)
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goto fail;
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trigger = ieee80211_get_tx_led_name(sc->hw);
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snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
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"ath9k-%s::tx", wiphy_name(sc->hw->wiphy));
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ret = ath_register_led(sc, &sc->tx_led, trigger);
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sc->tx_led.led_type = ATH_LED_TX;
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if (ret)
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goto fail;
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trigger = ieee80211_get_rx_led_name(sc->hw);
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snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
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"ath9k-%s::rx", wiphy_name(sc->hw->wiphy));
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ret = ath_register_led(sc, &sc->rx_led, trigger);
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sc->rx_led.led_type = ATH_LED_RX;
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if (ret)
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goto fail;
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return;
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fail:
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cancel_delayed_work_sync(&sc->ath_led_blink_work);
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ath_deinit_leds(sc);
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}
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/*******************/
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/* Rfkill */
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/*******************/
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static bool ath_is_rfkill_set(struct ath_softc *sc)
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{
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struct ath_hw *ah = sc->sc_ah;
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return ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
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ah->rfkill_polarity;
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}
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void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
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{
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struct ath_wiphy *aphy = hw->priv;
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struct ath_softc *sc = aphy->sc;
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bool blocked = !!ath_is_rfkill_set(sc);
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wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
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}
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void ath_start_rfkill_poll(struct ath_softc *sc)
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{
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struct ath_hw *ah = sc->sc_ah;
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if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
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wiphy_rfkill_start_polling(sc->hw->wiphy);
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}
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/******************/
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/* BTCOEX */
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/******************/
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/*
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* Detects if there is any priority bt traffic
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*/
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static void ath_detect_bt_priority(struct ath_softc *sc)
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{
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struct ath_btcoex *btcoex = &sc->btcoex;
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struct ath_hw *ah = sc->sc_ah;
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if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
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btcoex->bt_priority_cnt++;
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if (time_after(jiffies, btcoex->bt_priority_time +
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msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
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if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
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ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
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"BT priority traffic detected");
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sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
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} else {
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sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
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}
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btcoex->bt_priority_cnt = 0;
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btcoex->bt_priority_time = jiffies;
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}
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}
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/*
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* Configures appropriate weight based on stomp type.
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*/
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static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
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enum ath_stomp_type stomp_type)
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{
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struct ath_hw *ah = sc->sc_ah;
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switch (stomp_type) {
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case ATH_BTCOEX_STOMP_ALL:
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ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
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AR_STOMP_ALL_WLAN_WGHT);
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break;
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case ATH_BTCOEX_STOMP_LOW:
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ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
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AR_STOMP_LOW_WLAN_WGHT);
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break;
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case ATH_BTCOEX_STOMP_NONE:
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ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
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AR_STOMP_NONE_WLAN_WGHT);
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break;
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default:
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ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
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"Invalid Stomptype\n");
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break;
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}
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ath9k_hw_btcoex_enable(ah);
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}
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static void ath9k_gen_timer_start(struct ath_hw *ah,
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struct ath_gen_timer *timer,
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u32 timer_next,
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u32 timer_period)
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{
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struct ath_common *common = ath9k_hw_common(ah);
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struct ath_softc *sc = (struct ath_softc *) common->priv;
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ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
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if ((sc->imask & ATH9K_INT_GENTIMER) == 0) {
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ath9k_hw_set_interrupts(ah, 0);
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sc->imask |= ATH9K_INT_GENTIMER;
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ath9k_hw_set_interrupts(ah, sc->imask);
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}
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}
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static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
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{
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struct ath_common *common = ath9k_hw_common(ah);
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struct ath_softc *sc = (struct ath_softc *) common->priv;
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struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
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ath9k_hw_gen_timer_stop(ah, timer);
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/* if no timer is enabled, turn off interrupt mask */
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if (timer_table->timer_mask.val == 0) {
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ath9k_hw_set_interrupts(ah, 0);
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sc->imask &= ~ATH9K_INT_GENTIMER;
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ath9k_hw_set_interrupts(ah, sc->imask);
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}
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}
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/*
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* This is the master bt coex timer which runs for every
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* 45ms, bt traffic will be given priority during 55% of this
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* period while wlan gets remaining 45%
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*/
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static void ath_btcoex_period_timer(unsigned long data)
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{
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struct ath_softc *sc = (struct ath_softc *) data;
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struct ath_hw *ah = sc->sc_ah;
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struct ath_btcoex *btcoex = &sc->btcoex;
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ath_detect_bt_priority(sc);
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spin_lock_bh(&btcoex->btcoex_lock);
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ath9k_btcoex_bt_stomp(sc, btcoex->bt_stomp_type);
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spin_unlock_bh(&btcoex->btcoex_lock);
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if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
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if (btcoex->hw_timer_enabled)
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ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
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ath9k_gen_timer_start(ah,
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btcoex->no_stomp_timer,
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(ath9k_hw_gettsf32(ah) +
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btcoex->btcoex_no_stomp),
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btcoex->btcoex_no_stomp * 10);
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btcoex->hw_timer_enabled = true;
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}
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mod_timer(&btcoex->period_timer, jiffies +
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msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
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}
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/*
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* Generic tsf based hw timer which configures weight
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* registers to time slice between wlan and bt traffic
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*/
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static void ath_btcoex_no_stomp_timer(void *arg)
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{
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struct ath_softc *sc = (struct ath_softc *)arg;
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struct ath_hw *ah = sc->sc_ah;
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struct ath_btcoex *btcoex = &sc->btcoex;
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ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
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"no stomp timer running \n");
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spin_lock_bh(&btcoex->btcoex_lock);
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if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
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ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
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else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
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ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
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spin_unlock_bh(&btcoex->btcoex_lock);
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}
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int ath_init_btcoex_timer(struct ath_softc *sc)
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{
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struct ath_btcoex *btcoex = &sc->btcoex;
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btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
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btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
|
||||
btcoex->btcoex_period / 100;
|
||||
|
||||
setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
|
||||
(unsigned long) sc);
|
||||
|
||||
spin_lock_init(&btcoex->btcoex_lock);
|
||||
|
||||
btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah,
|
||||
ath_btcoex_no_stomp_timer,
|
||||
ath_btcoex_no_stomp_timer,
|
||||
(void *) sc, AR_FIRST_NDP_TIMER);
|
||||
|
||||
if (!btcoex->no_stomp_timer)
|
||||
return -ENOMEM;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* (Re)start btcoex timers
|
||||
*/
|
||||
void ath9k_btcoex_timer_resume(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
|
||||
"Starting btcoex timers");
|
||||
|
||||
/* make sure duty cycle timer is also stopped when resuming */
|
||||
if (btcoex->hw_timer_enabled)
|
||||
ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
|
||||
|
||||
btcoex->bt_priority_cnt = 0;
|
||||
btcoex->bt_priority_time = jiffies;
|
||||
sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
|
||||
|
||||
mod_timer(&btcoex->period_timer, jiffies);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Pause btcoex timer and bt duty cycle timer
|
||||
*/
|
||||
void ath9k_btcoex_timer_pause(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
del_timer_sync(&btcoex->period_timer);
|
||||
|
||||
if (btcoex->hw_timer_enabled)
|
||||
ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
|
||||
|
||||
btcoex->hw_timer_enabled = false;
|
||||
}
|
|
@ -1000,174 +1000,6 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
|
|||
}
|
||||
}
|
||||
|
||||
/********************************/
|
||||
/* 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;
|
||||
}
|
||||
|
||||
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;
|
||||
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_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
|
||||
"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;
|
||||
}
|
||||
}
|
||||
|
||||
static 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);
|
||||
}
|
||||
|
||||
static 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
|
||||
sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
|
||||
|
||||
/* Configure gpio 1 for output */
|
||||
ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
|
||||
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
|
||||
/* LED off, active low */
|
||||
ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
|
||||
|
||||
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:
|
||||
cancel_delayed_work_sync(&sc->ath_led_blink_work);
|
||||
ath_deinit_leds(sc);
|
||||
}
|
||||
|
||||
void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
|
||||
{
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
@ -1252,35 +1084,6 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
|
|||
ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
|
||||
}
|
||||
|
||||
/*******************/
|
||||
/* Rfkill */
|
||||
/*******************/
|
||||
|
||||
static bool ath_is_rfkill_set(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
return ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
|
||||
ah->rfkill_polarity;
|
||||
}
|
||||
|
||||
static void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
|
||||
{
|
||||
struct ath_wiphy *aphy = hw->priv;
|
||||
struct ath_softc *sc = aphy->sc;
|
||||
bool blocked = !!ath_is_rfkill_set(sc);
|
||||
|
||||
wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
|
||||
}
|
||||
|
||||
static void ath_start_rfkill_poll(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
|
||||
wiphy_rfkill_start_polling(sc->hw->wiphy);
|
||||
}
|
||||
|
||||
static void ath9k_uninit_hw(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
@ -1364,177 +1167,6 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
|
|||
return ath_reg_notifier_apply(wiphy, request, reg);
|
||||
}
|
||||
|
||||
/*
|
||||
* Detects if there is any priority bt traffic
|
||||
*/
|
||||
static void ath_detect_bt_priority(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
|
||||
btcoex->bt_priority_cnt++;
|
||||
|
||||
if (time_after(jiffies, btcoex->bt_priority_time +
|
||||
msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
|
||||
if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
|
||||
ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
|
||||
"BT priority traffic detected");
|
||||
sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
|
||||
} else {
|
||||
sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
|
||||
}
|
||||
|
||||
btcoex->bt_priority_cnt = 0;
|
||||
btcoex->bt_priority_time = jiffies;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Configures appropriate weight based on stomp type.
|
||||
*/
|
||||
static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
|
||||
enum ath_stomp_type stomp_type)
|
||||
{
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
switch (stomp_type) {
|
||||
case ATH_BTCOEX_STOMP_ALL:
|
||||
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
|
||||
AR_STOMP_ALL_WLAN_WGHT);
|
||||
break;
|
||||
case ATH_BTCOEX_STOMP_LOW:
|
||||
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
|
||||
AR_STOMP_LOW_WLAN_WGHT);
|
||||
break;
|
||||
case ATH_BTCOEX_STOMP_NONE:
|
||||
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
|
||||
AR_STOMP_NONE_WLAN_WGHT);
|
||||
break;
|
||||
default:
|
||||
ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
|
||||
"Invalid Stomptype\n");
|
||||
break;
|
||||
}
|
||||
|
||||
ath9k_hw_btcoex_enable(ah);
|
||||
}
|
||||
|
||||
static void ath9k_gen_timer_start(struct ath_hw *ah,
|
||||
struct ath_gen_timer *timer,
|
||||
u32 timer_next,
|
||||
u32 timer_period)
|
||||
{
|
||||
struct ath_common *common = ath9k_hw_common(ah);
|
||||
struct ath_softc *sc = (struct ath_softc *) common->priv;
|
||||
|
||||
ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
|
||||
|
||||
if ((sc->imask & ATH9K_INT_GENTIMER) == 0) {
|
||||
ath9k_hw_set_interrupts(ah, 0);
|
||||
sc->imask |= ATH9K_INT_GENTIMER;
|
||||
ath9k_hw_set_interrupts(ah, sc->imask);
|
||||
}
|
||||
}
|
||||
|
||||
static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
|
||||
{
|
||||
struct ath_common *common = ath9k_hw_common(ah);
|
||||
struct ath_softc *sc = (struct ath_softc *) common->priv;
|
||||
struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
|
||||
|
||||
ath9k_hw_gen_timer_stop(ah, timer);
|
||||
|
||||
/* if no timer is enabled, turn off interrupt mask */
|
||||
if (timer_table->timer_mask.val == 0) {
|
||||
ath9k_hw_set_interrupts(ah, 0);
|
||||
sc->imask &= ~ATH9K_INT_GENTIMER;
|
||||
ath9k_hw_set_interrupts(ah, sc->imask);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* This is the master bt coex timer which runs for every
|
||||
* 45ms, bt traffic will be given priority during 55% of this
|
||||
* period while wlan gets remaining 45%
|
||||
*/
|
||||
static void ath_btcoex_period_timer(unsigned long data)
|
||||
{
|
||||
struct ath_softc *sc = (struct ath_softc *) data;
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
|
||||
ath_detect_bt_priority(sc);
|
||||
|
||||
spin_lock_bh(&btcoex->btcoex_lock);
|
||||
|
||||
ath9k_btcoex_bt_stomp(sc, btcoex->bt_stomp_type);
|
||||
|
||||
spin_unlock_bh(&btcoex->btcoex_lock);
|
||||
|
||||
if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
|
||||
if (btcoex->hw_timer_enabled)
|
||||
ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
|
||||
|
||||
ath9k_gen_timer_start(ah,
|
||||
btcoex->no_stomp_timer,
|
||||
(ath9k_hw_gettsf32(ah) +
|
||||
btcoex->btcoex_no_stomp),
|
||||
btcoex->btcoex_no_stomp * 10);
|
||||
btcoex->hw_timer_enabled = true;
|
||||
}
|
||||
|
||||
mod_timer(&btcoex->period_timer, jiffies +
|
||||
msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
|
||||
}
|
||||
|
||||
/*
|
||||
* Generic tsf based hw timer which configures weight
|
||||
* registers to time slice between wlan and bt traffic
|
||||
*/
|
||||
static void ath_btcoex_no_stomp_timer(void *arg)
|
||||
{
|
||||
struct ath_softc *sc = (struct ath_softc *)arg;
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
|
||||
ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
|
||||
"no stomp timer running \n");
|
||||
|
||||
spin_lock_bh(&btcoex->btcoex_lock);
|
||||
|
||||
if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
|
||||
ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
|
||||
else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
|
||||
ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
|
||||
|
||||
spin_unlock_bh(&btcoex->btcoex_lock);
|
||||
}
|
||||
|
||||
static int ath_init_btcoex_timer(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
|
||||
btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
|
||||
btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
|
||||
btcoex->btcoex_period / 100;
|
||||
|
||||
setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
|
||||
(unsigned long) sc);
|
||||
|
||||
spin_lock_init(&btcoex->btcoex_lock);
|
||||
|
||||
btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah,
|
||||
ath_btcoex_no_stomp_timer,
|
||||
ath_btcoex_no_stomp_timer,
|
||||
(void *) sc, AR_FIRST_NDP_TIMER);
|
||||
|
||||
if (!btcoex->no_stomp_timer)
|
||||
return -ENOMEM;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Read and write, they both share the same lock. We do this to serialize
|
||||
* reads and writes on Atheros 802.11n PCI devices only. This is required
|
||||
|
@ -2213,28 +1845,6 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
|
|||
/* mac80211 callbacks */
|
||||
/**********************/
|
||||
|
||||
/*
|
||||
* (Re)start btcoex timers
|
||||
*/
|
||||
static void ath9k_btcoex_timer_resume(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
|
||||
"Starting btcoex timers");
|
||||
|
||||
/* make sure duty cycle timer is also stopped when resuming */
|
||||
if (btcoex->hw_timer_enabled)
|
||||
ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
|
||||
|
||||
btcoex->bt_priority_cnt = 0;
|
||||
btcoex->bt_priority_time = jiffies;
|
||||
sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
|
||||
|
||||
mod_timer(&btcoex->period_timer, jiffies);
|
||||
}
|
||||
|
||||
static int ath9k_start(struct ieee80211_hw *hw)
|
||||
{
|
||||
struct ath_wiphy *aphy = hw->priv;
|
||||
|
@ -2461,22 +2071,6 @@ exit:
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Pause btcoex timer and bt duty cycle timer
|
||||
*/
|
||||
static void ath9k_btcoex_timer_pause(struct ath_softc *sc)
|
||||
{
|
||||
struct ath_btcoex *btcoex = &sc->btcoex;
|
||||
struct ath_hw *ah = sc->sc_ah;
|
||||
|
||||
del_timer_sync(&btcoex->period_timer);
|
||||
|
||||
if (btcoex->hw_timer_enabled)
|
||||
ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
|
||||
|
||||
btcoex->hw_timer_enabled = false;
|
||||
}
|
||||
|
||||
static void ath9k_stop(struct ieee80211_hw *hw)
|
||||
{
|
||||
struct ath_wiphy *aphy = hw->priv;
|
||||
|
|
Loading…
Reference in a new issue