linux/drivers/net/wireless/ath/ath9k/link.c

/*
 * Copyright (c) 2012 Qualcomm Atheros, Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "ath9k.h"

/*
 * TX polling - checks if the TX engine is stuck somewhere
 * and issues a chip reset if so.
 */
static bool ath_tx_complete_check(struct ath_softc *sc)
{ … }

void ath_hw_check_work(struct work_struct *work)
{ … }

/*
 * Checks if the BB/MAC is hung.
 */
bool ath_hw_check(struct ath_softc *sc)
{ … }

/*
 * PLL-WAR for AR9485/AR9340
 */
static bool ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum)
{ … }

void ath_hw_pll_work(struct work_struct *work)
{ … }

/*
 * PA Pre-distortion.
 */
static void ath_paprd_activate(struct ath_softc *sc)
{ … }

static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain)
{ … }

void ath_paprd_calibrate(struct work_struct *work)
{ … }

/*
 *  ANI performs periodic noise floor calibration
 *  that is used to adjust and optimize the chip performance.  This
 *  takes environmental changes (location, temperature) into account.
 *  When the task is complete, it reschedules itself depending on the
 *  appropriate interval that was calculated.
 */
void ath_ani_calibrate(struct timer_list *t)
{ … }

void ath_start_ani(struct ath_softc *sc)
{ … }

void ath_stop_ani(struct ath_softc *sc)
{ … }

void ath_check_ani(struct ath_softc *sc)
{ … }

void ath_update_survey_nf(struct ath_softc *sc, int channel)
{ … }

/*
 * Updates the survey statistics and returns the busy time since last
 * update in %, if the measurement duration was long enough for the
 * result to be useful, -1 otherwise.
 */
int ath_update_survey_stats(struct ath_softc *sc)
{ … }