iwlwifi: support NVM access (EEPROM/OTP)

Two type of NVM available for devices 1000, 6000 and after, adding
support to read OTP lower blocks if OTP is used instead of EEPROM.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b6b8327a99fe..8282def00832 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -814,6 +814,11 @@ enum {
         MEASUREMENT_ACTIVE = (1 << 1),
 };
 
+enum iwl_nvm_type {
+        NVM_DEVICE_TYPE_EEPROM = 0,
+        NVM_DEVICE_TYPE_OTP,
+};
+
 /* interrupt statistics */
 struct isr_statistics {
         u32 hw;
@@ -1024,6 +1029,7 @@ struct iwl_priv {
 
         /* eeprom */
         u8 *eeprom;
+        int    nvm_device_type;
         struct iwl_eeprom_calib_info *calib_info;
 
         enum nl80211_iftype iw_mode;