1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
/*
* Copyright (c) 2008 Sam Leffler, Errno Consulting
* Copyright (c) 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.
*
* $FreeBSD$
*/
#include "opt_ah.h"
#include "ah.h"
#include "ah_internal.h"
#include "ah_eeprom_v1.h"
static HAL_STATUS
v1EepromGet(struct ath_hal *ah, int param, void *val)
{
HAL_EEPROM_v1 *ee = AH_PRIVATE(ah)->ah_eeprom;
uint32_t sum;
uint16_t eeval;
uint8_t *macaddr;
int i;
switch (param) {
case AR_EEP_MACADDR: /* Get MAC Address */
sum = 0;
macaddr = val;
for (i = 0; i < 3; i++) {
if (!ath_hal_eepromRead(ah, AR_EEPROM_MAC(i), &eeval)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: cannot read EEPROM location %u\n",
__func__, i);
return HAL_EEREAD;
}
sum += eeval;
macaddr[2*i + 0] = eeval >> 8;
macaddr[2*i + 1] = eeval & 0xff;
}
if (sum == 0 || sum == 0xffff*3) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad mac address %s\n",
__func__, ath_hal_ether_sprintf(macaddr));
return HAL_EEBADMAC;
}
return HAL_OK;
case AR_EEP_REGDMN_0:
*(uint16_t *) val = ee->ee_regDomain[0];
return HAL_OK;
case AR_EEP_RFKILL:
HALASSERT(val == AH_NULL);
return ee->ee_rfKill ? HAL_OK : HAL_EIO;
case AR_EEP_WRITEPROTECT:
HALASSERT(val == AH_NULL);
return (ee->ee_protect & AR_EEPROM_PROTOTECT_WP_128_191) ?
HAL_OK : HAL_EIO;
default:
HALASSERT(0);
return HAL_EINVAL;
}
}
static HAL_STATUS
v1EepromSet(struct ath_hal *ah, int param, int v)
{
return HAL_EINVAL;
}
static HAL_BOOL
v1EepromDiag(struct ath_hal *ah, int request,
const void *args, uint32_t argsize, void **result, uint32_t *resultsize)
{
HAL_EEPROM_v1 *ee = AH_PRIVATE(ah)->ah_eeprom;
switch (request) {
case HAL_DIAG_EEPROM:
*result = ee;
*resultsize = sizeof(*ee);
return AH_TRUE;
}
return AH_FALSE;
}
static uint16_t
v1EepromGetSpurChan(struct ath_hal *ah, int ix, HAL_BOOL is2GHz)
{
return AR_NO_SPUR;
}
/*
* Reclaim any EEPROM-related storage.
*/
static void
v1EepromDetach(struct ath_hal *ah)
{
HAL_EEPROM_v1 *ee = AH_PRIVATE(ah)->ah_eeprom;
ath_hal_free(ee);
AH_PRIVATE(ah)->ah_eeprom = AH_NULL;
}
HAL_STATUS
ath_hal_v1EepromAttach(struct ath_hal *ah)
{
HAL_EEPROM_v1 *ee = AH_PRIVATE(ah)->ah_eeprom;
uint16_t athvals[AR_EEPROM_ATHEROS_MAX]; /* XXX off stack */
uint16_t protect, eeprom_version, eeval;
uint32_t sum;
int i, loc;
HALASSERT(ee == AH_NULL);
if (!ath_hal_eepromRead(ah, AR_EEPROM_MAGIC, &eeval)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: cannot read EEPROM magic number\n", __func__);
return HAL_EEREAD;
}
if (eeval != 0x5aa5) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: invalid EEPROM magic number 0x%x\n", __func__, eeval);
return HAL_EEMAGIC;
}
if (!ath_hal_eepromRead(ah, AR_EEPROM_PROTECT, &protect)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: cannot read EEPROM protection bits; read locked?\n",
__func__);
return HAL_EEREAD;
}
HALDEBUG(ah, HAL_DEBUG_ATTACH, "EEPROM protect 0x%x\n", protect);
/* XXX check proper access before continuing */
if (!ath_hal_eepromRead(ah, AR_EEPROM_VERSION, &eeprom_version)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: unable to read EEPROM version\n", __func__);
return HAL_EEREAD;
}
if (((eeprom_version>>12) & 0xf) != 1) {
/*
* This code only groks the version 1 EEPROM layout.
*/
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: unsupported EEPROM version 0x%x found\n",
__func__, eeprom_version);
return HAL_EEVERSION;
}
/*
* Read the Atheros EEPROM entries and calculate the checksum.
*/
sum = 0;
for (i = 0; i < AR_EEPROM_ATHEROS_MAX; i++) {
if (!ath_hal_eepromRead(ah, AR_EEPROM_ATHEROS(i), &athvals[i]))
return HAL_EEREAD;
sum ^= athvals[i];
}
if (sum != 0xffff) {
HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad EEPROM checksum 0x%x\n",
__func__, sum);
return HAL_EEBADSUM;
}
/*
* Valid checksum, fetch the regulatory domain and save values.
*/
if (!ath_hal_eepromRead(ah, AR_EEPROM_REG_DOMAIN, &eeval)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: cannot read regdomain from EEPROM\n", __func__);
return HAL_EEREAD;
}
ee = ath_hal_malloc(sizeof(HAL_EEPROM_v1));
if (ee == AH_NULL) {
/* XXX message */
return HAL_ENOMEM;
}
ee->ee_version = eeprom_version;
ee->ee_protect = protect;
ee->ee_antenna = athvals[2];
ee->ee_biasCurrents = athvals[3];
ee->ee_thresh62 = athvals[4] & 0xff;
ee->ee_xlnaOn = (athvals[4] >> 8) & 0xff;
ee->ee_xpaOn = athvals[5] & 0xff;
ee->ee_xpaOff = (athvals[5] >> 8) & 0xff;
ee->ee_regDomain[0] = (athvals[6] >> 8) & 0xff;
ee->ee_regDomain[1] = athvals[6] & 0xff;
ee->ee_regDomain[2] = (athvals[7] >> 8) & 0xff;
ee->ee_regDomain[3] = athvals[7] & 0xff;
ee->ee_rfKill = athvals[8] & 0x1;
ee->ee_devType = (athvals[8] >> 1) & 0x7;
for (i = 0, loc = AR_EEPROM_ATHEROS_TP_SETTINGS; i < AR_CHANNELS_MAX; i++, loc += AR_TP_SETTINGS_SIZE) {
struct tpcMap *chan = &ee->ee_tpc[i];
/* Copy pcdac and gain_f values from EEPROM */
chan->pcdac[0] = (athvals[loc] >> 10) & 0x3F;
chan->gainF[0] = (athvals[loc] >> 4) & 0x3F;
chan->pcdac[1] = ((athvals[loc] << 2) & 0x3C)
| ((athvals[loc+1] >> 14) & 0x03);
chan->gainF[1] = (athvals[loc+1] >> 8) & 0x3F;
chan->pcdac[2] = (athvals[loc+1] >> 2) & 0x3F;
chan->gainF[2] = ((athvals[loc+1] << 4) & 0x30)
| ((athvals[loc+2] >> 12) & 0x0F);
chan->pcdac[3] = (athvals[loc+2] >> 6) & 0x3F;
chan->gainF[3] = athvals[loc+2] & 0x3F;
chan->pcdac[4] = (athvals[loc+3] >> 10) & 0x3F;
chan->gainF[4] = (athvals[loc+3] >> 4) & 0x3F;
chan->pcdac[5] = ((athvals[loc+3] << 2) & 0x3C)
| ((athvals[loc+4] >> 14) & 0x03);
chan->gainF[5] = (athvals[loc+4] >> 8) & 0x3F;
chan->pcdac[6] = (athvals[loc+4] >> 2) & 0x3F;
chan->gainF[6] = ((athvals[loc+4] << 4) & 0x30)
| ((athvals[loc+5] >> 12) & 0x0F);
chan->pcdac[7] = (athvals[loc+5] >> 6) & 0x3F;
chan->gainF[7] = athvals[loc+5] & 0x3F;
chan->pcdac[8] = (athvals[loc+6] >> 10) & 0x3F;
chan->gainF[8] = (athvals[loc+6] >> 4) & 0x3F;
chan->pcdac[9] = ((athvals[loc+6] << 2) & 0x3C)
| ((athvals[loc+7] >> 14) & 0x03);
chan->gainF[9] = (athvals[loc+7] >> 8) & 0x3F;
chan->pcdac[10] = (athvals[loc+7] >> 2) & 0x3F;
chan->gainF[10] = ((athvals[loc+7] << 4) & 0x30)
| ((athvals[loc+8] >> 12) & 0x0F);
/* Copy Regulatory Domain and Rate Information from EEPROM */
chan->rate36 = (athvals[loc+8] >> 6) & 0x3F;
chan->rate48 = athvals[loc+8] & 0x3F;
chan->rate54 = (athvals[loc+9] >> 10) & 0x3F;
chan->regdmn[0] = (athvals[loc+9] >> 4) & 0x3F;
chan->regdmn[1] = ((athvals[loc+9] << 2) & 0x3C)
| ((athvals[loc+10] >> 14) & 0x03);
chan->regdmn[2] = (athvals[loc+10] >> 8) & 0x3F;
chan->regdmn[3] = (athvals[loc+10] >> 2) & 0x3F;
}
AH_PRIVATE(ah)->ah_eeprom = ee;
AH_PRIVATE(ah)->ah_eeversion = eeprom_version;
AH_PRIVATE(ah)->ah_eepromDetach = v1EepromDetach;
AH_PRIVATE(ah)->ah_eepromGet = v1EepromGet;
AH_PRIVATE(ah)->ah_eepromSet = v1EepromSet;
AH_PRIVATE(ah)->ah_getSpurChan = v1EepromGetSpurChan;
AH_PRIVATE(ah)->ah_eepromDiag = v1EepromDiag;
return HAL_OK;
}
|
