iwlwifi: use antenna information in EEPROM
The valid tx/rx antenna information is part of EEPROM, so use it
to configure the device.
For few cases, the EEPROM did not reflect the correct antenna, but
it is too late to modify the EEPROM, so overwrite with .cfg parameters
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 3100a72..9170120 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -278,8 +278,6 @@
.fw_name_pre = IWL1000_FW_PRE,
.ucode_api_max = IWL1000_UCODE_API_MAX,
.ucode_api_min = IWL1000_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
.ops = &iwl1000_ops,
@@ -294,8 +292,6 @@
.fw_name_pre = IWL1000_FW_PRE,
.ucode_api_max = IWL1000_UCODE_API_MAX,
.ucode_api_min = IWL1000_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
.ops = &iwl1000_ops,
@@ -309,8 +305,6 @@
.fw_name_pre = IWL100_FW_PRE,
.ucode_api_max = IWL100_UCODE_API_MAX,
.ucode_api_min = IWL100_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_A,
.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
.ops = &iwl1000_ops,
@@ -325,8 +319,6 @@
.fw_name_pre = IWL100_FW_PRE,
.ucode_api_max = IWL100_UCODE_API_MAX,
.ucode_api_min = IWL100_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_A,
.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
.ops = &iwl1000_ops,
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 6788ceb..9f1d8d8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2624,8 +2624,6 @@
.fw_name_pre = IWL4965_FW_PRE,
.ucode_api_max = IWL4965_UCODE_API_MAX,
.ucode_api_min = IWL4965_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_ABC,
.eeprom_ver = EEPROM_4965_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_4965_TX_POWER_VERSION,
.ops = &iwl4965_ops,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 3ee0f7c..cf74edb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -527,8 +527,6 @@
.fw_name_pre = IWL5000_FW_PRE,
.ucode_api_max = IWL5000_UCODE_API_MAX,
.ucode_api_min = IWL5000_UCODE_API_MIN,
- .valid_tx_ant = ANT_ABC,
- .valid_rx_ant = ANT_ABC,
.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
.ops = &iwl5000_ops,
@@ -543,8 +541,8 @@
.fw_name_pre = IWL5000_FW_PRE,
.ucode_api_max = IWL5000_UCODE_API_MAX,
.ucode_api_min = IWL5000_UCODE_API_MIN,
- .valid_tx_ant = ANT_B,
- .valid_rx_ant = ANT_AB,
+ .valid_tx_ant = ANT_B, /* .cfg overwrite */
+ .valid_rx_ant = ANT_AB, /* .cfg overwrite */
.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
.ops = &iwl5000_ops,
@@ -559,8 +557,8 @@
.fw_name_pre = IWL5000_FW_PRE,
.ucode_api_max = IWL5000_UCODE_API_MAX,
.ucode_api_min = IWL5000_UCODE_API_MIN,
- .valid_tx_ant = ANT_B,
- .valid_rx_ant = ANT_AB,
+ .valid_tx_ant = ANT_B, /* .cfg overwrite */
+ .valid_rx_ant = ANT_AB, /* .cfg overwrite */
.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
.ops = &iwl5000_ops,
@@ -574,8 +572,8 @@
.fw_name_pre = IWL5000_FW_PRE,
.ucode_api_max = IWL5000_UCODE_API_MAX,
.ucode_api_min = IWL5000_UCODE_API_MIN,
- .valid_tx_ant = ANT_B,
- .valid_rx_ant = ANT_AB,
+ .valid_tx_ant = ANT_B, /* .cfg overwrite */
+ .valid_rx_ant = ANT_AB, /* .cfg overwrite */
.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
.ops = &iwl5000_ops,
@@ -590,8 +588,6 @@
.fw_name_pre = IWL5000_FW_PRE,
.ucode_api_max = IWL5000_UCODE_API_MAX,
.ucode_api_min = IWL5000_UCODE_API_MIN,
- .valid_tx_ant = ANT_ABC,
- .valid_rx_ant = ANT_ABC,
.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
.ops = &iwl5000_ops,
@@ -606,8 +602,6 @@
.fw_name_pre = IWL5150_FW_PRE,
.ucode_api_max = IWL5150_UCODE_API_MAX,
.ucode_api_min = IWL5150_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
.ops = &iwl5150_ops,
@@ -623,8 +617,6 @@
.fw_name_pre = IWL5150_FW_PRE,
.ucode_api_max = IWL5150_UCODE_API_MAX,
.ucode_api_min = IWL5150_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
.ops = &iwl5150_ops,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 93e3fe9..a3a055f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -557,8 +557,6 @@
.fw_name_pre = IWL6000G2A_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000_ops,
@@ -575,8 +573,6 @@
.fw_name_pre = IWL6000G2A_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000_ops,
@@ -592,8 +588,6 @@
.fw_name_pre = IWL6000G2A_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000_ops,
@@ -609,8 +603,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
@@ -631,8 +623,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
@@ -652,8 +642,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
@@ -674,8 +662,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
@@ -695,8 +681,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
@@ -717,8 +701,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
@@ -741,8 +723,8 @@
.fw_name_pre = IWL6000_FW_PRE,
.ucode_api_max = IWL6000_UCODE_API_MAX,
.ucode_api_min = IWL6000_UCODE_API_MIN,
- .valid_tx_ant = ANT_BC,
- .valid_rx_ant = ANT_BC,
+ .valid_tx_ant = ANT_BC, /* .cfg overwrite */
+ .valid_rx_ant = ANT_BC, /* .cfg overwrite */
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
.ops = &iwl6000_ops,
@@ -758,8 +740,8 @@
.fw_name_pre = IWL6000_FW_PRE,
.ucode_api_max = IWL6000_UCODE_API_MAX,
.ucode_api_min = IWL6000_UCODE_API_MIN,
- .valid_tx_ant = ANT_BC,
- .valid_rx_ant = ANT_BC,
+ .valid_tx_ant = ANT_BC, /* .cfg overwrite */
+ .valid_rx_ant = ANT_BC, /* .cfg overwrite */
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
.ops = &iwl6000_ops,
@@ -774,8 +756,8 @@
.fw_name_pre = IWL6000_FW_PRE,
.ucode_api_max = IWL6000_UCODE_API_MAX,
.ucode_api_min = IWL6000_UCODE_API_MIN,
- .valid_tx_ant = ANT_BC,
- .valid_rx_ant = ANT_BC,
+ .valid_tx_ant = ANT_BC, /* .cfg overwrite */
+ .valid_rx_ant = ANT_BC, /* .cfg overwrite */
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
.ops = &iwl6000_ops,
@@ -790,8 +772,6 @@
.fw_name_pre = IWL6050_FW_PRE,
.ucode_api_max = IWL6050_UCODE_API_MAX,
.ucode_api_min = IWL6050_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.ops = &iwl6050_ops,
.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION,
@@ -807,8 +787,6 @@
.fw_name_pre = IWL6050_FW_PRE,
.ucode_api_max = IWL6050_UCODE_API_MAX,
.ucode_api_min = IWL6050_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6050G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6050G2_TX_POWER_VERSION,
.ops = &iwl6050g2_ops,
@@ -824,8 +802,6 @@
.fw_name_pre = IWL6050_FW_PRE,
.ucode_api_max = IWL6050_UCODE_API_MAX,
.ucode_api_min = IWL6050_UCODE_API_MIN,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION,
.ops = &iwl6050_ops,
@@ -840,8 +816,6 @@
.fw_name_pre = IWL6000_FW_PRE,
.ucode_api_max = IWL6000_UCODE_API_MAX,
.ucode_api_min = IWL6000_UCODE_API_MIN,
- .valid_tx_ant = ANT_ABC,
- .valid_rx_ant = ANT_ABC,
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
.ops = &iwl6000_ops,
@@ -857,8 +831,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_A,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
@@ -878,8 +850,6 @@
.fw_name_pre = IWL6000G2B_FW_PRE,
.ucode_api_max = IWL6000G2_UCODE_API_MAX,
.ucode_api_min = IWL6000G2_UCODE_API_MIN,
- .valid_tx_ant = ANT_A,
- .valid_rx_ant = ANT_A,
.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
.ops = &iwl6000g2b_ops,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
index 8a4d3ac..dbada76 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
@@ -251,6 +251,7 @@
int iwl_eeprom_check_sku(struct iwl_priv *priv)
{
u16 eeprom_sku;
+ u16 radio_cfg;
eeprom_sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP);
@@ -266,6 +267,25 @@
IWL_INFO(priv, "Device SKU: 0X%x\n", priv->cfg->sku);
+ if (!priv->cfg->valid_tx_ant && !priv->cfg->valid_rx_ant) {
+ /* not using .cfg overwrite */
+ radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
+ priv->cfg->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+ priv->cfg->valid_rx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+ if (!priv->cfg->valid_tx_ant || !priv->cfg->valid_rx_ant) {
+ IWL_ERR(priv, "Invalid chain (0X%x, 0X%x)\n",
+ priv->cfg->valid_tx_ant,
+ priv->cfg->valid_rx_ant);
+ return -EINVAL;
+ }
+ IWL_INFO(priv, "Valid Tx ant: 0X%x, Valid Rx ant: 0X%x\n",
+ priv->cfg->valid_tx_ant, priv->cfg->valid_rx_ant);
+ }
+ /*
+ * for some special cases,
+ * EEPROM did not reflect the correct antenna setting
+ * so overwrite the valid tx/rx antenna from .cfg
+ */
return 0;
}