static int
ath5k_eeprom_init_header(struct ath5k_hw *ah)
{
struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
int ret;
u16 val;
u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX;
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header);
if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0)
return 0;
AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val);
if (val) {
eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val);
eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE;
if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) {
ATH5K_ERR(ah->ah_sc, "Invalid max custom EEPROM size: "
"%d (0x%04x) max expected: %d (0x%04x)\n",
eep_max, eep_max,
3 * AR5K_EEPROM_INFO_MAX,
3 * AR5K_EEPROM_INFO_MAX);
return -EIO;
}
}
for (cksum = 0, offset = 0; offset < eep_max; offset++) {
AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val);
cksum ^= val;
}
if (cksum != AR5K_EEPROM_INFO_CKSUM) {
ATH5K_ERR(ah->ah_sc, "Invalid EEPROM "
"checksum: 0x%04x eep_max: 0x%04x (%s)\n",
cksum, eep_max,
eep_max == AR5K_EEPROM_INFO_MAX ?
"default size" : "custom size");
return -EIO;
}
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version),
ee_ant_gain);
if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) {
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2);
if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3)
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3);
if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) {
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6);
}
}
if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) {
AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val);
ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7;
ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7;
AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val);
ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7;
ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7;
}
/*
* Initialize eeprom & capabilities structs
*/
static int
ath5k_eeprom_init_header(struct ath5k_hw *ah)
{
struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
u16 val;
u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX;
/*
* Read values from EEPROM and store them in the capability structure
*/
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header);
/* Return if we have an old EEPROM */
if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0)
return 0;
/*
* Validate the checksum of the EEPROM date. There are some
* devices with invalid EEPROMs.
*/
AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val);
if (val) {
eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val);
eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE;
/*
* Fail safe check to prevent stupid loops due
* to busted EEPROMs. XXX: This value is likely too
* big still, waiting on a better value.
*/
if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) {
ATH5K_ERR(ah, "Invalid max custom EEPROM size: "
"%d (0x%04x) max expected: %d (0x%04x)\n",
eep_max, eep_max,
3 * AR5K_EEPROM_INFO_MAX,
3 * AR5K_EEPROM_INFO_MAX);
return -EIO;
}
}
for (cksum = 0, offset = 0; offset < eep_max; offset++) {
AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val);
cksum ^= val;
}
if (cksum != AR5K_EEPROM_INFO_CKSUM) {
ATH5K_ERR(ah, "Invalid EEPROM "
"checksum: 0x%04x eep_max: 0x%04x (%s)\n",
cksum, eep_max,
eep_max == AR5K_EEPROM_INFO_MAX ?
"default size" : "custom size");
return -EIO;
}
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version),
ee_ant_gain);
if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) {
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1);
/* XXX: Don't know which versions include these two */
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2);
if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3)
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3);
if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) {
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6);
}
}
if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) {
AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val);
ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7;
ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7;
AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val);
ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7;
ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7;
}
/*
* Initialize eeprom & capabilities structs
*/
static int
ath5k_eeprom_init_header(struct ath5k_hw *ah)
{
struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
int ret;
u16 val;
/*
* Read values from EEPROM and store them in the capability structure
*/
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header);
/* Return if we have an old EEPROM */
if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0)
return 0;
#ifdef notyet
/*
* Validate the checksum of the EEPROM date. There are some
* devices with invalid EEPROMs.
*/
for (cksum = 0, offset = 0; offset < AR5K_EEPROM_INFO_MAX; offset++) {
AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val);
cksum ^= val;
}
if (cksum != AR5K_EEPROM_INFO_CKSUM) {
ATH5K_ERR(ah->ah_sc, "Invalid EEPROM checksum 0x%04x\n", cksum);
return -EIO;
}
#endif
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version),
ee_ant_gain);
if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) {
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1);
/* XXX: Don't know which versions include these two */
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2);
if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3)
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3);
if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) {
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5);
AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6);
}
}
if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) {
AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val);
ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7;
ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7;
AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val);
ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7;
ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7;
}