ar5416_eeprom.c

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    1 /*-
    2  * SPDX-License-Identifier: ISC
    3  *
    4  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
    5  * Copyright (c) 2002-2008 Atheros Communications, Inc.
    6  *
    7  * Permission to use, copy, modify, and/or distribute this software for any
    8  * purpose with or without fee is hereby granted, provided that the above
    9  * copyright notice and this permission notice appear in all copies.
   10  *
   11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   18  *
   19  * $FreeBSD$
   20  */
   21 #include "opt_ah.h"
   22 
   23 #include "ah.h"
   24 #include "ah_internal.h"
   25 #include "ah_devid.h"
   26 
   27 #include "ah_eeprom_v14.h"
   28 
   29 #include "ar5416/ar5416.h"
   30 #include "ar5416/ar5416reg.h"
   31 #include "ar5416/ar5416phy.h"
   32 
   33 /*
   34  * Read 16 bits of data from offset into *data
   35  */
   36 HAL_BOOL
   37 ar5416EepromRead(struct ath_hal *ah, u_int off, uint16_t *data)
   38 {
   39         OS_REG_READ(ah,  AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
   40         if (!ath_hal_wait(ah, AR_EEPROM_STATUS_DATA,
   41             AR_EEPROM_STATUS_DATA_BUSY | AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0))
   42                 return AH_FALSE;
   43         *data = MS(OS_REG_READ(ah, AR_EEPROM_STATUS_DATA),
   44                    AR_EEPROM_STATUS_DATA_VAL);
   45         return AH_TRUE;
   46 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/ath_hal/ar5416/ar5416_eeprom.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/ath_hal/ar5416/ar5416_eeprom.c