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

/*
 * Copyright (c) 2008-2011 Atheros Communications 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 "hw.h"
#include "hw-ops.h"
#include <linux/export.h>

/* Common calibration code */


static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
{ … }

static struct ath_nf_limits *ath9k_hw_get_nf_limits(struct ath_hw *ah,
						    struct ath9k_channel *chan)
{ … }

static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
				   struct ath9k_channel *chan,
				   int chain)
{ … }

s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan,
			   s16 nf)
{ … }
EXPORT_SYMBOL(…);

static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
					      struct ath9k_hw_cal_data *cal,
					      int16_t *nfarray)
{ … }

static bool ath9k_hw_get_nf_thresh(struct ath_hw *ah,
				   enum nl80211_band band,
				   int16_t *nft)
{ … }

void ath9k_hw_reset_calibration(struct ath_hw *ah,
				struct ath9k_cal_list *currCal)
{ … }

/* This is done for the currently configured channel */
bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
{ … }
EXPORT_SYMBOL(…);

void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update)
{ … }

int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
{ … }
EXPORT_SYMBOL(…);


static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
{ … }

bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
{ … }
EXPORT_SYMBOL(…);

void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
				  struct ath9k_channel *chan)
{ … }


void ath9k_hw_bstuck_nfcal(struct ath_hw *ah)
{ … }
EXPORT_SYMBOL(…);