1 files changed, 0 insertions, 403 deletions

diff --git a/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k_calib.c b/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k_calib.c
deleted file mode 100644
index 6f3e07e6d..000000000
--- a/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k_calib.c
+++ /dev/null
@@ -1,403 +0,0 @@
-/*
- * Copyright (c) 2008-2011 Atheros Communications Inc.
- *
- * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011
- * Original from Linux kernel 3.0.1
- *
- * 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"
-
-/* Common calibration code */
-
-#define ATH9K_NF_TOO_HIGH	-60
-
-static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
-{
-	int16_t nfval;
-	int16_t sort[ATH9K_NF_CAL_HIST_MAX];
-	int i, j;
-
-	for (i = 0; i < ATH9K_NF_CAL_HIST_MAX; i++)
-		sort[i] = nfCalBuffer[i];
-
-	for (i = 0; i < ATH9K_NF_CAL_HIST_MAX - 1; i++) {
-		for (j = 1; j < ATH9K_NF_CAL_HIST_MAX - i; j++) {
-			if (sort[j] > sort[j - 1]) {
-				nfval = sort[j];
-				sort[j] = sort[j - 1];
-				sort[j - 1] = nfval;
-			}
-		}
-	}
-	nfval = sort[(ATH9K_NF_CAL_HIST_MAX - 1) >> 1];
-
-	return nfval;
-}
-
-static struct ath_nf_limits *ath9k_hw_get_nf_limits(struct ath_hw *ah,
-						    struct ath9k_channel *chan)
-{
-	struct ath_nf_limits *limit;
-
-	if (!chan || IS_CHAN_2GHZ(chan))
-		limit = &ah->nf_2g;
-	else
-		limit = &ah->nf_5g;
-
-	return limit;
-}
-
-static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
-				   struct ath9k_channel *chan)
-{
-	return ath9k_hw_get_nf_limits(ah, chan)->nominal;
-}
-
-
-static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
-					      struct ath9k_hw_cal_data *cal,
-					      int16_t *nfarray)
-{
-	struct ath_nf_limits *limit;
-	struct ath9k_nfcal_hist *h;
-	int high_nf_mid = 0;
-	u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
-	int i;
-
-	h = cal->nfCalHist;
-	limit = ath9k_hw_get_nf_limits(ah, ah->curchan);
-
-	for (i = 0; i < NUM_NF_READINGS; i++) {
-		if (!(chainmask & (1 << i)) ||
-		    (i >= AR5416_MAX_CHAINS))
-			continue;
-
-		h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
-
-		if (++h[i].currIndex >= ATH9K_NF_CAL_HIST_MAX)
-			h[i].currIndex = 0;
-
-		if (h[i].invalidNFcount > 0) {
-			h[i].invalidNFcount--;
-			h[i].privNF = nfarray[i];
-		} else {
-			h[i].privNF =
-				ath9k_hw_get_nf_hist_mid(h[i].nfCalBuffer);
-		}
-
-		if (!h[i].privNF)
-			continue;
-
-		if (h[i].privNF > limit->max) {
-			high_nf_mid = 1;
-
-			DBG2("ath9k: "
-				"NFmid[%d] (%d) > MAX (%d), %s\n",
-				i, h[i].privNF, limit->max,
-				(cal->nfcal_interference ?
-				 "not corrected (due to interference)" :
-				 "correcting to MAX"));
-
-			/*
-			 * Normally we limit the average noise floor by the
-			 * hardware specific maximum here. However if we have
-			 * encountered stuck beacons because of interference,
-			 * we bypass this limit here in order to better deal
-			 * with our environment.
-			 */
-			if (!cal->nfcal_interference)
-				h[i].privNF = limit->max;
-		}
-	}
-
-	/*
-	 * If the noise floor seems normal for all chains, assume that
-	 * there is no significant interference in the environment anymore.
-	 * Re-enable the enforcement of the NF maximum again.
-	 */
-	if (!high_nf_mid)
-		cal->nfcal_interference = 0;
-}
-
-static int ath9k_hw_get_nf_thresh(struct ath_hw *ah,
-				   int band,
-				   int16_t *nft)
-{
-	switch (band) {
-	case NET80211_BAND_5GHZ:
-		*nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_5);
-		break;
-	case NET80211_BAND_2GHZ:
-		*nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_2);
-		break;
-	default:
-		return 0;
-	}
-
-	return 1;
-}
-
-void ath9k_hw_reset_calibration(struct ath_hw *ah,
-				struct ath9k_cal_list *currCal)
-{
-	int i;
-
-	ath9k_hw_setup_calibration(ah, currCal);
-
-	currCal->calState = CAL_RUNNING;
-
-	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
-		ah->meas0.sign[i] = 0;
-		ah->meas1.sign[i] = 0;
-		ah->meas2.sign[i] = 0;
-		ah->meas3.sign[i] = 0;
-	}
-
-	ah->cal_samples = 0;
-}
-
-/* This is done for the currently configured channel */
-int ath9k_hw_reset_calvalid(struct ath_hw *ah)
-{
-	struct ath9k_cal_list *currCal = ah->cal_list_curr;
-
-	if (!ah->caldata)
-		return 1;
-
-	if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
-		return 1;
-
-	if (currCal == NULL)
-		return 1;
-
-	if (currCal->calState != CAL_DONE) {
-		DBG("ath9k: "
-			"Calibration state incorrect, %d\n",
-			currCal->calState);
-		return 1;
-	}
-
-	if (!(ah->supp_cals & currCal->calData->calType))
-		return 1;
-
-	DBG("ath9k: "
-		"Resetting Cal %d state for channel %d\n",
-		currCal->calData->calType, (ah->dev->channels + ah->dev->channel)->center_freq);
-
-	ah->caldata->CalValid &= ~currCal->calData->calType;
-	currCal->calState = CAL_WAITING;
-
-	return 0;
-}
-
-void ath9k_hw_start_nfcal(struct ath_hw *ah, int update)
-{
-	if (ah->caldata)
-		ah->caldata->nfcal_pending = 1;
-
-	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
-		    AR_PHY_AGC_CONTROL_ENABLE_NF);
-
-	if (update)
-		REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
-		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
-	else
-		REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
-		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
-
-	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
-}
-
-void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
-{
-	struct ath9k_nfcal_hist *h = NULL;
-	unsigned i, j;
-	int32_t val;
-	u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
-	s16 default_nf = ath9k_hw_get_default_nf(ah, chan);
-
-	if (ah->caldata)
-		h = ah->caldata->nfCalHist;
-
-	for (i = 0; i < NUM_NF_READINGS; i++) {
-		if (chainmask & (1 << i)) {
-			s16 nfval;
-
-			if (i >= AR5416_MAX_CHAINS)
-				continue;
-
-			if (h)
-				nfval = h[i].privNF;
-			else
-				nfval = default_nf;
-
-			val = REG_READ(ah, ah->nf_regs[i]);
-			val &= 0xFFFFFE00;
-			val |= (((u32) nfval << 1) & 0x1ff);
-			REG_WRITE(ah, ah->nf_regs[i], val);
-		}
-	}
-
-	/*
-	 * Load software filtered NF value into baseband internal minCCApwr
-	 * variable.
-	 */
-	REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
-		    AR_PHY_AGC_CONTROL_ENABLE_NF);
-	REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
-		    AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
-	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
-
-	/*
-	 * Wait for load to complete, should be fast, a few 10s of us.
-	 * The max delay was changed from an original 250us to 10000us
-	 * since 250us often results in NF load timeout and causes deaf
-	 * condition during stress testing 12/12/2009
-	 */
-	for (j = 0; j < 10000; j++) {
-		if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
-		     AR_PHY_AGC_CONTROL_NF) == 0)
-			break;
-		udelay(10);
-	}
-
-	/*
-	 * We timed out waiting for the noisefloor to load, probably due to an
-	 * in-progress rx. Simply return here and allow the load plenty of time
-	 * to complete before the next calibration interval.  We need to avoid
-	 * trying to load -50 (which happens below) while the previous load is
-	 * still in progress as this can cause rx deafness. Instead by returning
-	 * here, the baseband nf cal will just be capped by our present
-	 * noisefloor until the next calibration timer.
-	 */
-	if (j == 10000) {
-		DBG("ath9k: "
-			"Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x%x\n",
-			REG_READ(ah, AR_PHY_AGC_CONTROL));
-		return;
-	}
-
-	/*
-	 * Restore maxCCAPower register parameter again so that we're not capped
-	 * by the median we just loaded.  This will be initial (and max) value
-	 * of next noise floor calibration the baseband does.
-	 */
-	ENABLE_REGWRITE_BUFFER(ah);
-	for (i = 0; i < NUM_NF_READINGS; i++) {
-		if (chainmask & (1 << i)) {
-			if (i >= AR5416_MAX_CHAINS)
-				continue;
-
-			val = REG_READ(ah, ah->nf_regs[i]);
-			val &= 0xFFFFFE00;
-			val |= (((u32) (-50) << 1) & 0x1ff);
-			REG_WRITE(ah, ah->nf_regs[i], val);
-		}
-	}
-	REGWRITE_BUFFER_FLUSH(ah);
-}
-
-
-static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
-{
-	struct ath_nf_limits *limit;
-	int i;
-
-	if (IS_CHAN_2GHZ(ah->curchan))
-		limit = &ah->nf_2g;
-	else
-		limit = &ah->nf_5g;
-
-	for (i = 0; i < NUM_NF_READINGS; i++) {
-		if (!nf[i])
-			continue;
-
-		DBG2("ath9k: "
-			"NF calibrated [%s] [chain %d] is %d\n",
-			(i >= 3 ? "ext" : "ctl"), i % 3, nf[i]);
-
-		if (nf[i] > ATH9K_NF_TOO_HIGH) {
-			DBG("ath9k: "
-				"NF[%d] (%d) > MAX (%d), correcting to MAX\n",
-				i, nf[i], ATH9K_NF_TOO_HIGH);
-			nf[i] = limit->max;
-		} else if (nf[i] < limit->min) {
-			DBG("ath9k: "
-				"NF[%d] (%d) < MIN (%d), correcting to NOM\n",
-				i, nf[i], limit->min);
-			nf[i] = limit->nominal;
-		}
-	}
-}
-
-int ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
-{
-	int16_t nf, nfThresh;
-	int16_t nfarray[NUM_NF_READINGS] = { 0 };
-	struct ath9k_nfcal_hist *h;
-	struct net80211_channel *c = chan->chan;
-	struct ath9k_hw_cal_data *caldata = ah->caldata;
-
-	chan->channelFlags &= (~CHANNEL_CW_INT);
-	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
-		DBG("ath9k: "
-			"NF did not complete in calibration window\n");
-		return 0;
-	}
-
-	ath9k_hw_do_getnf(ah, nfarray);
-	ath9k_hw_nf_sanitize(ah, nfarray);
-	nf = nfarray[0];
-	if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
-	    && nf > nfThresh) {
-		DBG2("ath9k: "
-			"noise floor failed detected; detected %d, threshold %d\n",
-			nf, nfThresh);
-		chan->channelFlags |= CHANNEL_CW_INT;
-	}
-
-	if (!caldata) {
-		chan->noisefloor = nf;
-		return 0;
-	}
-
-	h = caldata->nfCalHist;
-	caldata->nfcal_pending = 0;
-	ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
-	chan->noisefloor = h[0].privNF;
-	return 1;
-}
-
-void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
-				  struct ath9k_channel *chan)
-{
-	struct ath9k_nfcal_hist *h;
-	s16 default_nf;
-	int i, j;
-
-	ah->caldata->channel = chan->channel;
-	ah->caldata->channelFlags = chan->channelFlags & ~CHANNEL_CW_INT;
-	h = ah->caldata->nfCalHist;
-	default_nf = ath9k_hw_get_default_nf(ah, chan);
-	for (i = 0; i < NUM_NF_READINGS; i++) {
-		h[i].currIndex = 0;
-		h[i].privNF = default_nf;
-		h[i].invalidNFcount = AR_PHY_CCA_FILTERWINDOW_LENGTH;
-		for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
-			h[i].nfCalBuffer[j] = default_nf;
-		}
-	}
-}