diff options
Diffstat (limited to 'sys/dev/ath/ath_hal/ar5416/ar5416_eeprom.c')
-rw-r--r-- | sys/dev/ath/ath_hal/ar5416/ar5416_eeprom.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sys/dev/ath/ath_hal/ar5416/ar5416_eeprom.c b/sys/dev/ath/ath_hal/ar5416/ar5416_eeprom.c new file mode 100644 index 0000000..812159f --- /dev/null +++ b/sys/dev/ath/ath_hal/ar5416/ar5416_eeprom.c @@ -0,0 +1,44 @@ +/* + * 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 1.6 2008/11/10 04:08:04 sam 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) +{ + 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; +} |