workbench/devs/networks/atheros5000/hal/ar5312/ar5312_eeprom.c

   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  * $Id$
  18  */
  19 #include "opt_ah.h"
  20
  21
  22 #ifdef AH_SUPPORT_AR5312
  23
  24 #include "ah.h"
  25 #include "ah_internal.h"
  26
  27 #include "ar5312/ar5312.h"
  28 #include "ar5312/ar5312reg.h"
  29 #include "ar5212/ar5212desc.h"
  30
  31 /*
  32  * Read 16 bits of data from offset into *data
  33  */
  34 HAL_BOOL
  35 ar5312EepromRead(struct ath_hal *ah, u_int off, uint16_t *dataIn)
  36 {
  37         int i,offset;
  38         const char *eepromAddr = AR5312_RADIOCONFIG(ah);
  39         uint8_t *data;
  40
  41         data = (uint8_t *) dataIn;
  42         for (i=0,offset=2*off; i<2; i++,offset++) {
  43                 data[i] = eepromAddr[offset];
  44         }
  45         return AH_TRUE;
  46 }
  47 #endif /* AH_SUPPORT_AR5312 */