diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 1e63b497471..d8e3dd70423 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -125,6 +125,33 @@ static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address) return (address & ADDRESS_MSK) + (offset << 1); } +static int iwl5000_eeprom_check_version(struct iwl_priv *priv) +{ + u16 eeprom_ver; + struct iwl_eeprom_calib_hdr { + u8 version; + u8 pa_type; + u16 voltage; + } *hdr; + + eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); + + hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv, + EEPROM_5000_CALIB_ALL); + + if (eeprom_ver < EEPROM_5000_EEPROM_VERSION || + hdr->version < EEPROM_5000_TX_POWER_VERSION) + goto err; + + return 0; +err: + IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n", + eeprom_ver, EEPROM_5000_EEPROM_VERSION, + hdr->version, EEPROM_5000_TX_POWER_VERSION); + return -EINVAL; + +} + #ifdef CONFIG_IWL5000_RUN_TIME_CALIB static void iwl5000_gain_computation(struct iwl_priv *priv, @@ -179,6 +206,7 @@ static void iwl5000_gain_computation(struct iwl_priv *priv, data->beacon_count = 0; } + static void iwl5000_chain_noise_reset(struct iwl_priv *priv) { struct iwl_chain_noise_data *data = &priv->chain_noise_data; @@ -394,6 +422,7 @@ static struct iwl_lib_ops iwl5000_lib = { .verify_signature = iwlcore_eeprom_verify_signature, .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, .release_semaphore = iwlcore_eeprom_release_semaphore, + .check_version = iwl5000_eeprom_check_version, .query_addr = iwl5000_eeprom_query_addr, }, }; |