ath5k_rfkill.c File Reference

#include "base.h"

Go to the source code of this file.

Functions
	FILE_LICENCE (MIT)
	FILE_SECBOOT (FORBIDDEN)
static void	ath5k_rfkill_disable (struct ath5k_softc *sc)
static void	ath5k_rfkill_enable (struct ath5k_softc *sc)
static void	ath5k_rfkill_set_intr (struct ath5k_softc *sc, int enable)
static int __unused	ath5k_is_rfkill_set (struct ath5k_softc *sc)
void	ath5k_rfkill_hw_start (struct ath5k_hw *ah)
void	ath5k_rfkill_hw_stop (struct ath5k_hw *ah)

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

MIT

)

FILE_SECBOOT()

FILE_SECBOOT

(

FORBIDDEN

)

ath5k_rfkill_disable()

void ath5k_rfkill_disable ( struct ath5k_softc * sc )

inlinestatic

Definition at line 43 of file ath5k_rfkill.c.

{
        DBG("ath5k: rfkill disable (gpio:%d polarity:%d)\n",
            sc->rf_kill.gpio, sc->rf_kill.polarity);
        ath5k_hw_set_gpio_output(sc->ah, sc->rf_kill.gpio);
        ath5k_hw_set_gpio(sc->ah, sc->rf_kill.gpio, !sc->rf_kill.polarity);
}

References ath5k_softc::ah, ath5k_hw_set_gpio(), ath5k_hw_set_gpio_output(), DBG, ath5k_softc::gpio, ath5k_softc::polarity, and ath5k_softc::rf_kill.

Referenced by ath5k_rfkill_hw_start().

ath5k_rfkill_enable()

void ath5k_rfkill_enable ( struct ath5k_softc * sc )

inlinestatic

Definition at line 52 of file ath5k_rfkill.c.

{
        DBG("ath5k: rfkill enable (gpio:%d polarity:%d)\n",
            sc->rf_kill.gpio, sc->rf_kill.polarity);
        ath5k_hw_set_gpio_output(sc->ah, sc->rf_kill.gpio);
        ath5k_hw_set_gpio(sc->ah, sc->rf_kill.gpio, sc->rf_kill.polarity);
}

References ath5k_softc::ah, ath5k_hw_set_gpio(), ath5k_hw_set_gpio_output(), DBG, ath5k_softc::gpio, ath5k_softc::polarity, and ath5k_softc::rf_kill.

Referenced by ath5k_rfkill_hw_stop().

ath5k_rfkill_set_intr()

void ath5k_rfkill_set_intr ( struct ath5k_softc * sc, int enable )

inlinestatic

Definition at line 60 of file ath5k_rfkill.c.

{
        struct ath5k_hw *ah = sc->ah;
        u32 curval;
 
        ath5k_hw_set_gpio_input(ah, sc->rf_kill.gpio);
        curval = ath5k_hw_get_gpio(ah, sc->rf_kill.gpio);
        ath5k_hw_set_gpio_intr(ah, sc->rf_kill.gpio, enable ?
                               !!curval : !curval);
}

References ah, ath5k_softc::ah, ath5k_hw_get_gpio(), ath5k_hw_set_gpio_input(), ath5k_hw_set_gpio_intr(), ath5k_softc::gpio, ath5k_softc::rf_kill, and u32.

Referenced by ath5k_rfkill_hw_start(), and ath5k_rfkill_hw_stop().

ath5k_is_rfkill_set()

int __unused ath5k_is_rfkill_set ( struct ath5k_softc * sc )

static

Definition at line 72 of file ath5k_rfkill.c.

{
        /* configuring GPIO for input for some reason disables rfkill */
        /*ath5k_hw_set_gpio_input(sc->ah, sc->rf_kill.gpio);*/
        return (ath5k_hw_get_gpio(sc->ah, sc->rf_kill.gpio) ==
                sc->rf_kill.polarity);
}

References ath5k_softc::ah, ath5k_hw_get_gpio(), ath5k_softc::gpio, ath5k_softc::polarity, and ath5k_softc::rf_kill.

ath5k_rfkill_hw_start()

void ath5k_rfkill_hw_start

(

struct ath5k_hw *

ah

)

Definition at line 81 of file ath5k_rfkill.c.

{
        struct ath5k_softc *sc = ah->ah_sc;
 
        /* read rfkill GPIO configuration from EEPROM header */
        sc->rf_kill.gpio = ah->ah_capabilities.cap_eeprom.ee_rfkill_pin;
        sc->rf_kill.polarity = ah->ah_capabilities.cap_eeprom.ee_rfkill_pol;
 
        ath5k_rfkill_disable(sc);
 
        /* enable interrupt for rfkill switch */
        if (AR5K_EEPROM_HDR_RFKILL(ah->ah_capabilities.cap_eeprom.ee_header))
                ath5k_rfkill_set_intr(sc, 1);
}

References ah, AR5K_EEPROM_HDR_RFKILL, ath5k_rfkill_disable(), ath5k_rfkill_set_intr(), ath5k_softc::gpio, ath5k_softc::polarity, and ath5k_softc::rf_kill.

Referenced by ath5k_init().

ath5k_rfkill_hw_stop()

void ath5k_rfkill_hw_stop

(

struct ath5k_hw *

ah

)

Definition at line 98 of file ath5k_rfkill.c.

{
        struct ath5k_softc *sc = ah->ah_sc;
 
        /* disable interrupt for rfkill switch */
        if (AR5K_EEPROM_HDR_RFKILL(ah->ah_capabilities.cap_eeprom.ee_header))
                ath5k_rfkill_set_intr(sc, 0);
 
        /* enable RFKILL when stopping HW so Wifi LED is turned off */
        ath5k_rfkill_enable(sc);
}

References ah, AR5K_EEPROM_HDR_RFKILL, ath5k_rfkill_enable(), and ath5k_rfkill_set_intr().

Referenced by ath5k_stop_hw().