1185377Ssam/* 2185377Ssam * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3185377Ssam * Copyright (c) 2002-2008 Atheros Communications, Inc. 4185377Ssam * 5185377Ssam * Permission to use, copy, modify, and/or distribute this software for any 6185377Ssam * purpose with or without fee is hereby granted, provided that the above 7185377Ssam * copyright notice and this permission notice appear in all copies. 8185377Ssam * 9185377Ssam * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10185377Ssam * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11185377Ssam * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12185377Ssam * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13185377Ssam * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14185377Ssam * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15185377Ssam * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16185377Ssam * 17204644Srpaulo * $FreeBSD$ 18185377Ssam */ 19185377Ssam#include "opt_ah.h" 20185377Ssam 21185377Ssam#include "ah.h" 22185377Ssam#include "ah_internal.h" 23185377Ssam#include "ah_devid.h" 24185377Ssam#ifdef AH_DEBUG 25185377Ssam#include "ah_desc.h" /* NB: for HAL_PHYERR* */ 26185377Ssam#endif 27185377Ssam 28185377Ssam#include "ar5212/ar5212.h" 29185377Ssam#include "ar5212/ar5212reg.h" 30185377Ssam#include "ar5212/ar5212phy.h" 31185377Ssam 32185377Ssam/* 33185377Ssam * Read 16 bits of data from offset into *data 34185377Ssam */ 35185377SsamHAL_BOOL 36185377Ssamar5212EepromRead(struct ath_hal *ah, u_int off, uint16_t *data) 37185377Ssam{ 38185377Ssam OS_REG_WRITE(ah, AR_EEPROM_ADDR, off); 39185377Ssam OS_REG_WRITE(ah, AR_EEPROM_CMD, AR_EEPROM_CMD_READ); 40185377Ssam 41185377Ssam if (!ath_hal_wait(ah, AR_EEPROM_STS, 42185377Ssam AR_EEPROM_STS_READ_COMPLETE | AR_EEPROM_STS_READ_ERROR, 43185377Ssam AR_EEPROM_STS_READ_COMPLETE)) { 44185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, "%s: read failed for entry 0x%x\n", 45185377Ssam __func__, off); 46185377Ssam return AH_FALSE; 47185377Ssam } 48185377Ssam *data = OS_REG_READ(ah, AR_EEPROM_DATA) & 0xffff; 49185377Ssam return AH_TRUE; 50185377Ssam} 51