/* * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting * Copyright (c) 2002-2008 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. * * $Id: ar5416_eeprom.c,v 1.2 2011/05/30 13:57:21 joerg Exp $ */ #include "opt_ah.h" #include "ah.h" #include "ah_internal.h" #include "ah_devid.h" #include "ah_eeprom_v14.h" #include "ar5416/ar5416.h" #include "ar5416/ar5416reg.h" #include "ar5416/ar5416phy.h" /* * Read 16 bits of data from offset into *data */ HAL_BOOL ar5416EepromRead(struct ath_hal *ah, u_int off, uint16_t *data) { (void)OS_REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); if (!ath_hal_wait(ah, AR_EEPROM_STATUS_DATA, AR_EEPROM_STATUS_DATA_BUSY | AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0)) return AH_FALSE; *data = MS(OS_REG_READ(ah, AR_EEPROM_STATUS_DATA), AR_EEPROM_STATUS_DATA_VAL); return AH_TRUE; } |