| 1 | /* |
| 2 | * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting |
| 3 | * Copyright (c) 2002-2008 Atheros Communications, Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | * |
| 17 | * $Id: ar5416_eeprom.c,v 1.2 2011/05/30 13:57:21 joerg Exp $ |
| 18 | */ |
| 19 | #include "opt_ah.h" |
| 20 | |
| 21 | #include "ah.h" |
| 22 | #include "ah_internal.h" |
| 23 | #include "ah_devid.h" |
| 24 | |
| 25 | #include "ah_eeprom_v14.h" |
| 26 | |
| 27 | #include "ar5416/ar5416.h" |
| 28 | #include "ar5416/ar5416reg.h" |
| 29 | #include "ar5416/ar5416phy.h" |
| 30 | |
| 31 | /* |
| 32 | * Read 16 bits of data from offset into *data |
| 33 | */ |
| 34 | HAL_BOOL |
| 35 | ar5416EepromRead(struct ath_hal *ah, u_int off, uint16_t *data) |
| 36 | { |
| 37 | (void)OS_REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); |
| 38 | if (!ath_hal_wait(ah, AR_EEPROM_STATUS_DATA, |
| 39 | AR_EEPROM_STATUS_DATA_BUSY | AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0)) |
| 40 | return AH_FALSE; |
| 41 | *data = MS(OS_REG_READ(ah, AR_EEPROM_STATUS_DATA), |
| 42 | AR_EEPROM_STATUS_DATA_VAL); |
| 43 | return AH_TRUE; |
| 44 | } |
| 45 | |