xref: /freebsd/sys/dev/ath/ath_hal/ar5312/ar5312_eeprom.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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 #include "opt_ah.h"
20 
21 #ifdef AH_SUPPORT_AR5312
22 
23 #include "ah.h"
24 #include "ah_internal.h"
25 
26 #include "ar5312/ar5312.h"
27 #include "ar5312/ar5312reg.h"
28 #include "ar5212/ar5212desc.h"
29 
30 /*
31  * Read 16 bits of data from offset into *data
32  */
33 HAL_BOOL
34 ar5312EepromRead(struct ath_hal *ah, u_int off, uint16_t *dataIn)
35 {
36         int i,offset;
37 	const char *eepromAddr = AR5312_RADIOCONFIG(ah);
38 	uint8_t *data;
39 
40 	data = (uint8_t *) dataIn;
41 	for (i=0,offset=2*off; i<2; i++,offset++) {
42 		data[i] = eepromAddr[offset];
43 	}
44         return AH_TRUE;
45 }
46 #endif /* AH_SUPPORT_AR5312 */
47