path: root/drivers/net/wireless/ath/ath9k/eeprom_4k.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 <asm/unaligned.h>
#include "hw.h"
#include "ar9002_phy.h"

static int ath9k_hw_4k_get_eeprom_ver(struct ath_hw *ah)
{
	return ((ah->eeprom.map4k.baseEepHeader.version >> 12) & 0xF);
}

static int ath9k_hw_4k_get_eeprom_rev(struct ath_hw *ah)
{
	return ((ah->eeprom.map4k.baseEepHeader.version) & 0xFFF);
}

#define SIZE_EEPROM_4K (sizeof(struct ar5416_eeprom_4k) / sizeof(u16))

static bool __ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
{
	struct ath_common *common = ath9k_hw_common(ah);
	u16 *eep_data = (u16 *)&ah->eeprom.map4k;
	int addr, eep_start_loc = 64;

	for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
		if (!ath9k_hw_nvram_read(common, addr + eep_start_loc, eep_data)) {
			ath_dbg(common, ATH_DBG_EEPROM,
				"Unable to read eeprom region\n");
			return false;
		}
		eep_data++;
	}

	return true;
}

static bool __ath9k_hw_usb_4k_fill_eeprom(struct ath_hw *ah)
{
	u16 *eep_data = (u16 *)&ah->eeprom.map4k;

	ath9k_hw_usb_gen_fill_eeprom(ah, eep_data, 64, SIZE_EEPROM_4K);

	return true;
}

static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
{
	struct ath_common *common = ath9k_hw_common(ah);

	if (!ath9k_hw_use_flash(ah)) {
		ath_dbg(common, ATH_DBG_EEPROM,
			"Reading from EEPROM, not flash\n");
	}

	if (common->bus_ops->ath_bus_type == ATH_USB)
		return __ath9k_hw_usb_4k_fill_eeprom(ah);
	else
		return __ath9k_hw_4k_fill_eeprom(ah);
}

#if defined(CONFIG_ATH9K_DEBUGFS) || defined(CONFIG_ATH9K_HTC_DEBUGFS)
static u32 ath9k_dump_4k_modal_eeprom(char *buf, u32 len, u32 size,
				      struct modal_eep_4k_header *modal_hdr)
{
	PR_EEP("Chain0 Ant. Control", modal_hdr->antCtrlChain[0]);
	PR_EEP("Ant. Common Control", modal_hdr->antCtrlCommon);
	PR_EEP("Chain0 Ant. Gain", modal_hdr->antennaGainCh[0]);
	PR_EEP("Switch Settle", modal_hdr->switchSettling);
	PR_EEP("Chain0 TxRxAtten", modal_hdr->txRxAttenCh[0]);
	PR_EEP("Chain0 RxTxMargin", modal_hdr->rxTxMarginCh[0]);
	PR_EEP("ADC Desired size", modal_hdr->adcDesiredSize);
	PR_EEP("PGA Desired size", modal_hdr->pgaDesiredSize);
	PR_EEP("Chain0 xlna Gain", modal_hdr->xlnaGainCh[0]);
	PR_EEP("txEndToXpaOff", modal_hdr->txEndToXpaOff);
	PR_EEP("txEndToRxOn", modal_hdr->txEndToRxOn);
	PR_EEP("txFrameToXpaOn", modal_hdr->txFrameToXpaOn);
	PR_EEP("CCA Threshold)", modal_hdr->thresh62);
	PR_EEP("Chain0 NF Threshold", modal_hdr->noiseFloorThreshCh[0]);
	PR_EEP("xpdGain", modal_hdr->xpdGain);
	PR_EEP("External PD", modal_hdr->xpd);
	PR_EEP("Chain0 I Coefficient", modal_hdr->iqCalICh[0]);
	PR_EEP("Chain0 Q Coefficient", modal_hdr->iqCalQCh[0]);
	PR_EEP("pdGainOverlap", modal_hdr->pdGainOverlap);
	PR_EEP("O/D Bias Version", modal_hdr->version);
	PR_EEP("CCK OutputBias", modal_hdr->ob_0);
	<