iwmc3200wifi: Parse HT channels EEPROM entries

The fat channels eeprom entries let us know if 11n is enabled or not. We
update our wiphy supported bands based on that.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 20 insertions, 8 deletions

diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.h b/drivers/net/wireless/iwmc3200wifi/eeprom.h
index cdb31a6a1f5f..0f7f226916cf 100644
--- a/drivers/net/wireless/iwmc3200wifi/eeprom.h
+++ b/drivers/net/wireless/iwmc3200wifi/eeprom.h
@@ -48,6 +48,7 @@ enum {
         IWM_EEPROM_CARD_ID,
         IWM_EEPROM_RADIO_CONF,
         IWM_EEPROM_SKU_CAP,
+        IWM_EEPROM_FAT_CHANNELS_CAP,
 
         IWM_EEPROM_INDIRECT_OFFSET,
         IWM_EEPROM_CALIB_RXIQ_OFFSET = IWM_EEPROM_INDIRECT_OFFSET,
@@ -58,14 +59,15 @@ enum {
         IWM_EEPROM_LAST,
 };
 
-#define IWM_EEPROM_SIG_OFF             0x00
-#define IWM_EEPROM_VERSION_OFF        (0x54 << 1)
-#define IWM_EEPROM_OEM_HW_VERSION_OFF (0x56 << 1)
-#define IWM_EEPROM_MAC_VERSION_OFF    (0x30 << 1)
-#define IWM_EEPROM_CARD_ID_OFF        (0x5d << 1)
-#define IWM_EEPROM_RADIO_CONF_OFF     (0x58 << 1)
-#define IWM_EEPROM_SKU_CAP_OFF        (0x55 << 1)
-#define IWM_EEPROM_CALIB_CONFIG_OFF   (0x7c << 1)
+#define IWM_EEPROM_SIG_OFF                 0x00
+#define IWM_EEPROM_VERSION_OFF            (0x54 << 1)
+#define IWM_EEPROM_OEM_HW_VERSION_OFF     (0x56 << 1)
+#define IWM_EEPROM_MAC_VERSION_OFF        (0x30 << 1)
+#define IWM_EEPROM_CARD_ID_OFF            (0x5d << 1)
+#define IWM_EEPROM_RADIO_CONF_OFF         (0x58 << 1)
+#define IWM_EEPROM_SKU_CAP_OFF            (0x55 << 1)
+#define IWM_EEPROM_CALIB_CONFIG_OFF       (0x7c << 1)
+#define IWM_EEPROM_FAT_CHANNELS_CAP_OFF   (0xde << 1)
 
 #define IWM_EEPROM_SIG_LEN              4
 #define IWM_EEPROM_VERSION_LEN          2
@@ -74,6 +76,7 @@ enum {
 #define IWM_EEPROM_CARD_ID_LEN          2
 #define IWM_EEPROM_RADIO_CONF_LEN       2
 #define IWM_EEPROM_SKU_CAP_LEN          2
+#define IWM_EEPROM_FAT_CHANNELS_CAP_LEN 40
 #define IWM_EEPROM_INDIRECT_LEN         2
 
 #define IWM_MAX_EEPROM_DATA_LEN         240
@@ -87,6 +90,14 @@ enum {
 #define IWM_EEPROM_SKU_CAP_BAND_52GHZ           (1 << 5)
 #define IWM_EEPROM_SKU_CAP_11N_ENABLE           (1 << 6)
 
+#define IWM_EEPROM_FAT_CHANNELS 20
+/* 2.4 gHz FAT primary channels: 1, 2, 3, 4, 5, 6, 7, 8, 9 */
+#define IWM_EEPROM_FAT_CHANNELS_24 9
+/* 5.2 gHz FAT primary channels: 36,44,52,60,100,108,116,124,132,149,157 */
+#define IWM_EEPROM_FAT_CHANNELS_52 11
+
+#define IWM_EEPROM_FAT_CHANNEL_ENABLED (1 << 0)
+
 enum {
         IWM_EEPROM_CALIB_CAL_HDR,
         IWM_EEPROM_CALIB_TX_POWER,
@@ -110,5 +121,6 @@ struct iwm_eeprom_entry {
 int iwm_eeprom_init(struct iwm_priv *iwm);
 void iwm_eeprom_exit(struct iwm_priv *iwm);
 u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id);
+int iwm_eeprom_fat_channels(struct iwm_priv *iwm);
 
 #endif