xref: /freebsd/sys/dev/ath/ath_hal/ar5312/ar5312_eeprom.c (revision b9f654b163bce26de79705e77b872427c9f2afa1)
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 
24 #ifdef AH_SUPPORT_AR5312
25 
26 #include "ah.h"
27 #include "ah_internal.h"
28 
29 #include "ar5312/ar5312.h"
30 #include "ar5312/ar5312reg.h"
31 #include "ar5212/ar5212desc.h"
32 
33 /*
34  * Read 16 bits of data from offset into *data
35  */
36 HAL_BOOL
37 ar5312EepromRead(struct ath_hal *ah, u_int off, uint16_t *dataIn)
38 {
39         int i,offset;
40 	const char *eepromAddr = AR5312_RADIOCONFIG(ah);
41 	uint8_t *data;
42 
43 	data = (uint8_t *) dataIn;
44 	for (i=0,offset=2*off; i<2; i++,offset++) {
45 		data[i] = eepromAddr[offset];
46 	}
47         return AH_TRUE;
48 }
49 #endif /* AH_SUPPORT_AR5312 */
50