2 * Copyright (c) 2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2008 Atheros Communications, Inc.
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.
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.
22 #include "ah_internal.h"
23 #include "ah_eeprom_v14.h"
26 v14EepromGet(struct ath_hal *ah, int param, void *val)
30 #define IS_VERS(op, v) ((pBase->version & AR5416_EEP_VER_MINOR_MASK) op (v))
31 HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
32 const MODAL_EEP_HEADER *pModal = ee->ee_base.modalHeader;
33 const BASE_EEP_HEADER *pBase = &ee->ee_base.baseEepHeader;
39 case AR_EEP_NFTHRESH_5:
40 *(int16_t *)val = pModal[0].noiseFloorThreshCh[0];
42 case AR_EEP_NFTHRESH_2:
43 *(int16_t *)val = pModal[1].noiseFloorThreshCh[0];
45 case AR_EEP_MACADDR: /* Get MAC Address */
48 for (i = 0; i < 6; i++) {
49 macaddr[i] = pBase->macAddr[i];
50 sum += pBase->macAddr[i];
52 if (sum == 0 || sum == 0xffff*3) {
53 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: bad mac address %s\n",
54 __func__, ath_hal_ether_sprintf(macaddr));
59 return pBase->regDmn[0];
61 return pBase->regDmn[1];
63 return pBase->deviceCap;
65 return pBase->opCapFlags;
67 return pBase->rfSilent;
69 return pModal[CHAN_A_IDX].ob;
71 return pModal[CHAN_A_IDX].db;
73 return pModal[CHAN_B_IDX].ob;
75 return pModal[CHAN_B_IDX].db;
80 case AR_EEP_RXGAIN_TYPE:
81 return IS_VERS(>=, AR5416_EEP_MINOR_VER_17) ?
82 pBase->rxGainType : AR5416_EEP_RXGAIN_ORIG;
83 case AR_EEP_TXGAIN_TYPE:
84 return IS_VERS(>=, AR5416_EEP_MINOR_VER_19) ?
85 pBase->txGainType : AR5416_EEP_TXGAIN_ORIG;
86 case AR_EEP_FSTCLK_5G:
87 return IS_VERS(>, AR5416_EEP_MINOR_VER_16) ?
88 pBase->fastClk5g : AH_TRUE;
89 case AR_EEP_OL_PWRCTRL:
90 HALASSERT(val == AH_NULL);
91 return pBase->openLoopPwrCntl ? HAL_OK : HAL_EIO;
93 HALASSERT(val == AH_NULL);
94 return pBase->opCapFlags & AR5416_OPFLAGS_11A ?
98 HALASSERT(val == AH_NULL);
99 return pBase->opCapFlags & AR5416_OPFLAGS_11G ?
101 case AR_EEP_32KHZCRYSTAL:
102 case AR_EEP_COMPRESS:
103 case AR_EEP_FASTFRAME: /* XXX policy decision, h/w can do it */
104 case AR_EEP_WRITEPROTECT: /* NB: no write protect bit */
105 HALASSERT(val == AH_NULL);
107 case AR_EEP_MAXQCU: /* NB: not in opCapFlags */
108 case AR_EEP_KCENTRIES: /* NB: not in opCapFlags */
113 case AR_EEP_TURBO5DISABLE:
114 case AR_EEP_TURBO2DISABLE:
115 HALASSERT(val == AH_NULL);
117 case AR_EEP_ANTGAINMAX_2:
118 *(int8_t *) val = ee->ee_antennaGainMax[1];
120 case AR_EEP_ANTGAINMAX_5:
121 *(int8_t *) val = ee->ee_antennaGainMax[0];
133 v14EepromSet(struct ath_hal *ah, int param, int v)
135 HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
138 case AR_EEP_ANTGAINMAX_2:
139 ee->ee_antennaGainMax[1] = (int8_t) v;
141 case AR_EEP_ANTGAINMAX_5:
142 ee->ee_antennaGainMax[0] = (int8_t) v;
149 v14EepromDiag(struct ath_hal *ah, int request,
150 const void *args, uint32_t argsize, void **result, uint32_t *resultsize)
152 HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
155 case HAL_DIAG_EEPROM:
156 *result = &ee->ee_base;
157 *resultsize = sizeof(ee->ee_base);
163 /* Do structure specific swaps if Eeprom format is non native to host */
165 eepromSwap(struct ar5416eeprom *ee)
167 uint32_t integer, i, j;
169 MODAL_EEP_HEADER *pModal;
171 /* convert Base Eep header */
172 word = __bswap16(ee->baseEepHeader.length);
173 ee->baseEepHeader.length = word;
175 word = __bswap16(ee->baseEepHeader.checksum);
176 ee->baseEepHeader.checksum = word;
178 word = __bswap16(ee->baseEepHeader.version);
179 ee->baseEepHeader.version = word;
181 word = __bswap16(ee->baseEepHeader.regDmn[0]);
182 ee->baseEepHeader.regDmn[0] = word;
184 word = __bswap16(ee->baseEepHeader.regDmn[1]);
185 ee->baseEepHeader.regDmn[1] = word;
187 word = __bswap16(ee->baseEepHeader.rfSilent);
188 ee->baseEepHeader.rfSilent = word;
190 word = __bswap16(ee->baseEepHeader.blueToothOptions);
191 ee->baseEepHeader.blueToothOptions = word;
193 word = __bswap16(ee->baseEepHeader.deviceCap);
194 ee->baseEepHeader.deviceCap = word;
196 /* convert Modal Eep header */
197 for (j = 0; j < 2; j++) {
198 pModal = &ee->modalHeader[j];
200 /* XXX linux/ah_osdep.h only defines __bswap32 for BE */
201 integer = __bswap32(pModal->antCtrlCommon);
202 pModal->antCtrlCommon = integer;
204 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
205 integer = __bswap32(pModal->antCtrlChain[i]);
206 pModal->antCtrlChain[i] = integer;
209 for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
210 word = __bswap16(pModal->spurChans[i].spurChan);
211 pModal->spurChans[i].spurChan = word;
217 v14EepromGetSpurChan(struct ath_hal *ah, int ix, HAL_BOOL is2GHz)
219 HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
221 HALASSERT(0 <= ix && ix < AR5416_EEPROM_MODAL_SPURS);
222 return ee->ee_base.modalHeader[is2GHz].spurChans[ix].spurChan;
225 /**************************************************************************
228 * Get channel value from binary representation held in eeprom
229 * RETURNS: the frequency in MHz
232 fbin2freq(uint8_t fbin, HAL_BOOL is2GHz)
235 * Reserved value 0xFF provides an empty definition both as
236 * an fbin and as a frequency - do not convert
238 if (fbin == AR5416_BCHAN_UNUSED)
240 return (uint16_t)((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
244 * Copy EEPROM Conformance Testing Limits contents
245 * into the allocated space
247 /* USE CTLS from chain zero */
251 v14EepromReadCTLInfo(struct ath_hal *ah, HAL_EEPROM_v14 *ee)
253 RD_EDGES_POWER *rep = ee->ee_rdEdgesPower;
256 HALASSERT(AR5416_NUM_CTLS <= sizeof(ee->ee_rdEdgesPower)/NUM_EDGES);
258 for (i = 0; ee->ee_base.ctlIndex[i] != 0 && i < AR5416_NUM_CTLS; i++) {
259 for (j = 0; j < NUM_EDGES; j ++) {
260 /* XXX Confirm this is the right thing to do when an invalid channel is stored */
261 if (ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].bChannel == AR5416_BCHAN_UNUSED) {
263 rep[j].twice_rdEdgePower = 0;
266 rep[j].rdEdge = fbin2freq(
267 ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].bChannel,
268 (ee->ee_base.ctlIndex[i] & CTL_MODE_M) != CTL_11A);
269 rep[j].twice_rdEdgePower = MS(ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].tPowerFlag, CAL_CTL_EDGES_POWER);
270 rep[j].flag = MS(ee->ee_base.ctlData[i].ctlEdges[CTL_CHAIN][j].tPowerFlag, CAL_CTL_EDGES_FLAG) != 0;
276 HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
277 "%s Numctls = %u\n",__func__,i);
281 * Reclaim any EEPROM-related storage.
284 v14EepromDetach(struct ath_hal *ah)
286 HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
289 AH_PRIVATE(ah)->ah_eeprom = AH_NULL;
292 #define owl_get_eep_ver(_ee) \
293 (((_ee)->ee_base.baseEepHeader.version >> 12) & 0xF)
294 #define owl_get_eep_rev(_ee) \
295 (((_ee)->ee_base.baseEepHeader.version) & 0xFFF)
298 ath_hal_v14EepromAttach(struct ath_hal *ah)
300 #define NW(a) (sizeof(a) / sizeof(uint16_t))
301 HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
302 uint16_t *eep_data, magic;
307 HALASSERT(ee == AH_NULL);
309 if (!ath_hal_eepromRead(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
310 HALDEBUG(ah, HAL_DEBUG_ANY,
311 "%s Error reading Eeprom MAGIC\n", __func__);
314 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s Eeprom Magic = 0x%x\n",
316 if (magic != AR5416_EEPROM_MAGIC) {
317 HALDEBUG(ah, HAL_DEBUG_ANY, "Bad magic number\n");
321 ee = ath_hal_malloc(sizeof(HAL_EEPROM_v14));
327 eep_data = (uint16_t *)&ee->ee_base;
328 for (w = 0; w < NW(struct ar5416eeprom); w++) {
329 off = owl_eep_start_loc + w; /* NB: AP71 starts at 0 */
330 if (!ath_hal_eepromRead(ah, off, &eep_data[w])) {
331 HALDEBUG(ah, HAL_DEBUG_ANY,
332 "%s eeprom read error at offset 0x%x\n",
337 /* Convert to eeprom native eeprom endian format */
339 for (w = 0; w < NW(struct ar5416eeprom); w++)
340 eep_data[w] = __bswap16(eep_data[w]);
344 * At this point, we're in the native eeprom endian format
345 * Now, determine the eeprom endian by looking at byte 26??
347 need_swap = ((ee->ee_base.baseEepHeader.eepMisc & AR5416_EEPMISC_BIG_ENDIAN) != 0) ^ isBigEndian();
349 HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
350 "Byte swap EEPROM contents.\n");
351 len = __bswap16(ee->ee_base.baseEepHeader.length);
353 len = ee->ee_base.baseEepHeader.length;
355 len = AH_MIN(len, sizeof(struct ar5416eeprom)) / sizeof(uint16_t);
357 /* Apply the checksum, done in native eeprom format */
358 /* XXX - Need to check to make sure checksum calculation is done
359 * in the correct endian format. Right now, it seems it would
360 * cast the raw data to host format and do the calculation, which may
361 * not be correct as the calculation may need to be done in the native
365 for (w = 0; w < len; w++)
367 /* Check CRC - Attach should fail on a bad checksum */
369 HALDEBUG(ah, HAL_DEBUG_ANY,
370 "Bad EEPROM checksum 0x%x (Len=%u)\n", sum, len);
375 eepromSwap(&ee->ee_base); /* byte swap multi-byte data */
377 /* swap words 0+2 so version is at the front */
379 eep_data[0] = eep_data[2];
382 HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
383 "%s Eeprom Version %u.%u\n", __func__,
384 owl_get_eep_ver(ee), owl_get_eep_rev(ee));
386 /* NB: must be after all byte swapping */
387 if (owl_get_eep_ver(ee) != AR5416_EEP_VER) {
388 HALDEBUG(ah, HAL_DEBUG_ANY,
389 "Bad EEPROM version 0x%x\n", owl_get_eep_ver(ee));
393 v14EepromReadCTLInfo(ah, ee); /* Get CTLs */
395 AH_PRIVATE(ah)->ah_eeprom = ee;
396 AH_PRIVATE(ah)->ah_eeversion = ee->ee_base.baseEepHeader.version;
397 AH_PRIVATE(ah)->ah_eepromDetach = v14EepromDetach;
398 AH_PRIVATE(ah)->ah_eepromGet = v14EepromGet;
399 AH_PRIVATE(ah)->ah_eepromSet = v14EepromSet;
400 AH_PRIVATE(ah)->ah_getSpurChan = v14EepromGetSpurChan;
401 AH_PRIVATE(ah)->ah_eepromDiag = v14EepromDiag;