/* * 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: ar5212_eeprom.c,v 1.1.1.1 2008/12/11 04:46:40 alc Exp $ */ #include "opt_ah.h" #include "ah.h" #include "ah_internal.h" #include "ah_devid.h" #ifdef AH_DEBUG #include "ah_desc.h" /* NB: for HAL_PHYERR* */ #endif #include "ar5212/ar5212.h" #include "ar5212/ar5212reg.h" #include "ar5212/ar5212phy.h" /* * Read 16 bits of data from offset into *data */ HAL_BOOL ar5212EepromRead(struct ath_hal *ah, u_int off, uint16_t *data) { OS_REG_WRITE(ah, AR_EEPROM_ADDR, off); OS_REG_WRITE(ah, AR_EEPROM_CMD, AR_EEPROM_CMD_READ); if (!ath_hal_wait(ah, AR_EEPROM_STS, AR_EEPROM_STS_READ_COMPLETE | AR_EEPROM_STS_READ_ERROR, AR_EEPROM_STS_READ_COMPLETE)) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: read failed for entry 0x%x\n", __func__, off); return AH_FALSE; } *data = OS_REG_READ(ah, AR_EEPROM_DATA) & 0xffff; return AH_TRUE; }