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authorJohn W. Linville <linville@tuxdriver.com>2012-03-09 14:57:30 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-03-09 14:57:30 -0500
commit74dd1521d0b4f940cdd3ce7b9d988836bef589b8 (patch)
tree42f3d4ee1d4e6d60a91aaadab771f766a3024bc0 /drivers/net/wireless/iwlwifi/iwl-eeprom.c
parent2f2d76cc3e938389feee671b46252dde6880b3b7 (diff)
parent1745e4405b2c0da6db2ec4b6bc0ad930612d8295 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-eeprom.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-eeprom.c69
1 files changed, 35 insertions, 34 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 07e93787bce..23cea42b949 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -75,6 +75,7 @@
#include "iwl-agn.h"
#include "iwl-eeprom.h"
#include "iwl-io.h"
+#include "iwl-prph.h"
/************************** EEPROM BANDS ****************************
*
@@ -252,46 +253,46 @@ err:
}
-int iwl_eeprom_check_sku(struct iwl_priv *priv)
+int iwl_eeprom_init_hw_params(struct iwl_priv *priv)
{
struct iwl_shared *shrd = priv->shrd;
u16 radio_cfg;
- if (!cfg(priv)->sku) {
- /* not using sku overwrite */
- cfg(priv)->sku = iwl_eeprom_query16(shrd, EEPROM_SKU_CAP);
- if (cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE &&
- !cfg(priv)->ht_params) {
- IWL_ERR(priv, "Invalid 11n configuration\n");
- return -EINVAL;
- }
+ hw_params(priv).sku = iwl_eeprom_query16(shrd, EEPROM_SKU_CAP);
+ if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE &&
+ !cfg(priv)->ht_params) {
+ IWL_ERR(priv, "Invalid 11n configuration\n");
+ return -EINVAL;
}
- if (!cfg(priv)->sku) {
+
+ if (!hw_params(priv).sku) {
IWL_ERR(priv, "Invalid device sku\n");
return -EINVAL;
}
- IWL_INFO(priv, "Device SKU: 0x%X\n", cfg(priv)->sku);
-
- if (!cfg(priv)->valid_tx_ant && !cfg(priv)->valid_rx_ant) {
- /* not using .cfg overwrite */
- radio_cfg = iwl_eeprom_query16(shrd, EEPROM_RADIO_CONFIG);
- cfg(priv)->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
- cfg(priv)->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg);
- if (!cfg(priv)->valid_tx_ant || !cfg(priv)->valid_rx_ant) {
- IWL_ERR(priv, "Invalid chain (0x%X, 0x%X)\n",
- cfg(priv)->valid_tx_ant,
- cfg(priv)->valid_rx_ant);
- return -EINVAL;
- }
- IWL_INFO(priv, "Valid Tx ant: 0x%X, Valid Rx ant: 0x%X\n",
- cfg(priv)->valid_tx_ant, cfg(priv)->valid_rx_ant);
+ IWL_INFO(priv, "Device SKU: 0x%X\n", hw_params(priv).sku);
+
+ radio_cfg = iwl_eeprom_query16(shrd, EEPROM_RADIO_CONFIG);
+
+ hw_params(priv).valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+ hw_params(priv).valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg);
+
+ /* check overrides (some devices have wrong EEPROM) */
+ if (cfg(priv)->valid_tx_ant)
+ hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant;
+ if (cfg(priv)->valid_rx_ant)
+ hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant;
+
+ if (!hw_params(priv).valid_tx_ant || !hw_params(priv).valid_rx_ant) {
+ IWL_ERR(priv, "Invalid chain (0x%X, 0x%X)\n",
+ hw_params(priv).valid_tx_ant,
+ hw_params(priv).valid_rx_ant);
+ return -EINVAL;
}
- /*
- * for some special cases,
- * EEPROM did not reflect the correct antenna setting
- * so overwrite the valid tx/rx antenna from .cfg
- */
+
+ IWL_INFO(priv, "Valid Tx ant: 0x%X, Valid Rx ant: 0x%X\n",
+ hw_params(priv).valid_tx_ant, hw_params(priv).valid_rx_ant);
+
return 0;
}
@@ -512,7 +513,7 @@ static int iwl_find_otp_image(struct iwl_trans *trans,
* iwl_get_max_txpower_avg - get the highest tx power from all chains.
* find the highest tx power from all chains for the channel
*/
-static s8 iwl_get_max_txpower_avg(struct iwl_cfg *cfg,
+static s8 iwl_get_max_txpower_avg(const struct iwl_cfg *cfg,
struct iwl_eeprom_enhanced_txpwr *enhanced_txpower,
int element, s8 *max_txpower_in_half_dbm)
{
@@ -588,7 +589,7 @@ iwl_eeprom_enh_txp_read_element(struct iwl_priv *priv,
#define TXP_CHECK_AND_PRINT(x) ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) \
? # x " " : "")
-void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv)
+static void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv)
{
struct iwl_shared *shrd = priv->shrd;
struct iwl_eeprom_enhanced_txpwr *txp_array, *txp;
@@ -1024,8 +1025,8 @@ int iwl_init_channel_map(struct iwl_priv *priv)
* driver need to process addition information
* to determine the max channel tx power limits
*/
- if (cfg(priv)->lib->eeprom_ops.update_enhanced_txpower)
- cfg(priv)->lib->eeprom_ops.update_enhanced_txpower(priv);
+ if (cfg(priv)->lib->eeprom_ops.enhanced_txpower)
+ iwl_eeprom_enhanced_txpower(priv);
return 0;
}