/* Do structure specific swaps if Eeprom format is non native to host */
static void
eepromSwap(struct ar5416eeprom *ee)
{
uint32_t integer, i, j;
uint16_t word;
MODAL_EEP_HEADER *pModal;
/* convert Base Eep header */
word = __bswap16(ee->baseEepHeader.length);
ee->baseEepHeader.length = word;
word = __bswap16(ee->baseEepHeader.checksum);
ee->baseEepHeader.checksum = word;
word = __bswap16(ee->baseEepHeader.version);
ee->baseEepHeader.version = word;
word = __bswap16(ee->baseEepHeader.regDmn[0]);
ee->baseEepHeader.regDmn[0] = word;
word = __bswap16(ee->baseEepHeader.regDmn[1]);
ee->baseEepHeader.regDmn[1] = word;
word = __bswap16(ee->baseEepHeader.rfSilent);
ee->baseEepHeader.rfSilent = word;
word = __bswap16(ee->baseEepHeader.blueToothOptions);
ee->baseEepHeader.blueToothOptions = word;
word = __bswap16(ee->baseEepHeader.deviceCap);
ee->baseEepHeader.deviceCap = word;
/* convert Modal Eep header */
for (j = 0; j < 2; j++) {
pModal = &ee->modalHeader[j];
/* XXX linux/ah_osdep.h only defines __bswap32 for BE */
integer = __bswap32(pModal->antCtrlCommon);
pModal->antCtrlCommon = integer;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
integer = __bswap32(pModal->antCtrlChain[i]);
pModal->antCtrlChain[i] = integer;
}
for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
word = __bswap16(pModal->spurChans[i].spurChan);
pModal->spurChans[i].spurChan = word;
}
}
}
HAL_STATUS
ath_hal_v4kEepromAttach(struct ath_hal *ah)
{
#define NW(a) (sizeof(a) / sizeof(uint16_t))
HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom;
uint16_t *eep_data, magic;
HAL_BOOL need_swap;
u_int w, off, len;
uint32_t sum;
HALASSERT(ee == AH_NULL);
/*
* Don't check magic if we're supplied with an EEPROM block,
* typically this is from Howl but it may also be from later
* boards w/ an embedded WMAC.
*/
if (ah->ah_eepromdata == NULL) {
if (!ath_hal_eepromRead(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s Error reading Eeprom MAGIC\n", __func__);
return HAL_EEREAD;
}
}
HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s Eeprom Magic = 0x%x\n",
__func__, magic);
if (magic != AR5416_EEPROM_MAGIC) {
HALDEBUG(ah, HAL_DEBUG_ANY, "Bad magic number\n");
return HAL_EEMAGIC;
}
ee = ath_hal_malloc(sizeof(HAL_EEPROM_v4k));
if (ee == AH_NULL) {
/* XXX message */
return HAL_ENOMEM;
}
eep_data = (uint16_t *)&ee->ee_base;
for (w = 0; w < NW(struct ar5416eeprom_4k); w++) {
off = owl_eep_start_loc + w; /* NB: AP71 starts at 0 */
if (!ath_hal_eepromRead(ah, off, &eep_data[w])) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s eeprom read error at offset 0x%x\n",
__func__, off);
return HAL_EEREAD;
}
}
/* Convert to eeprom native eeprom endian format */
/*
* XXX this is likely incorrect but will do for now
* XXX to get embedded boards working.
*/
if (ah->ah_eepromdata == NULL && isBigEndian()) {
for (w = 0; w < NW(struct ar5416eeprom_4k); w++)
eep_data[w] = __bswap16(eep_data[w]);
}
/*
* At this point, we're in the native eeprom endian format
* Now, determine the eeprom endian by looking at byte 26??
*/
need_swap = ((ee->ee_base.baseEepHeader.eepMisc & AR5416_EEPMISC_BIG_ENDIAN) != 0) ^ isBigEndian();
if (need_swap) {
HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
"Byte swap EEPROM contents.\n");
len = __bswap16(ee->ee_base.baseEepHeader.length);
} else {
len = ee->ee_base.baseEepHeader.length;
}
len = AH_MIN(len, sizeof(struct ar5416eeprom_4k)) / sizeof(uint16_t);
/* Apply the checksum, done in native eeprom format */
/* XXX - Need to check to make sure checksum calculation is done
* in the correct endian format. Right now, it seems it would
* cast the raw data to host format and do the calculation, which may
* not be correct as the calculation may need to be done in the native
* eeprom format
*/
sum = 0;
for (w = 0; w < len; w++) {
sum ^= eep_data[w];
}
/* Check CRC - Attach should fail on a bad checksum */
if (sum != 0xffff) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"Bad EEPROM checksum 0x%x (Len=%u)\n", sum, len);
return HAL_EEBADSUM;
}
if (need_swap)
eepromSwap(&ee->ee_base); /* byte swap multi-byte data */
/* swap words 0+2 so version is at the front */
magic = eep_data[0];
eep_data[0] = eep_data[2];
eep_data[2] = magic;
HALDEBUG(ah, HAL_DEBUG_ATTACH | HAL_DEBUG_EEPROM,
"%s Eeprom Version %u.%u\n", __func__,
owl_get_eep_ver(ee), owl_get_eep_rev(ee));
/* NB: must be after all byte swapping */
if (owl_get_eep_ver(ee) != AR5416_EEP_VER) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"Bad EEPROM version 0x%x\n", owl_get_eep_ver(ee));
return HAL_EEBADSUM;
}
v4kEepromReadCTLInfo(ah, ee); /* Get CTLs */
AH_PRIVATE(ah)->ah_eeprom = ee;
AH_PRIVATE(ah)->ah_eeversion = ee->ee_base.baseEepHeader.version;
AH_PRIVATE(ah)->ah_eepromDetach = v4kEepromDetach;
AH_PRIVATE(ah)->ah_eepromGet = v4kEepromGet;
AH_PRIVATE(ah)->ah_eepromSet = v4kEepromSet;
AH_PRIVATE(ah)->ah_getSpurChan = v4kEepromGetSpurChan;
AH_PRIVATE(ah)->ah_eepromDiag = v4kEepromDiag;
return HAL_OK;
#undef NW
}
u_int16_t get_ctrl_msg_seq_no(aow_ctrl_msg_t* m)
{
u_int16_t seq_no = __bswap16(m->h.seq_no);
return seq_no;
}
u_int16_t get_ctrl_msg_cmd_type(aow_ctrl_msg_t* m)
{
u_int16_t cmd = (u_int16_t)__bswap16(m->h.desc) & (~AOW_CM_LOCAL_COMMAND_FLAG);
return cmd;
}
u_int16_t get_ctrl_msg_cmd_desc(aow_ctrl_msg_t *m)
{
u_int16_t desc = (u_int16_t)__bswap16(m->h.desc);
return desc;
}