mirror of https://github.com/proski/madwifi
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
|
|
* 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 1.6 2008/11/10 04:08:03 sam 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;
|
|
}
|