iwlwifi: Disabling calibrations variable

Add a variable for disabling specific calibrations.
Merged old variables for calibrations disabling.

Signed-off-by: Dor Shaish <dor.shaish@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

4 files changed, 50 insertions, 11 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
index 2f7310987553..61c243f7395f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
@@ -599,7 +599,7 @@ void iwl_init_sensitivity(struct iwl_priv *priv)
         struct iwl_sensitivity_data *data = NULL;
         const struct iwl_sensitivity_ranges *ranges = priv->hw_params.sens;
 
-        if (priv->disable_sens_cal)
+        if (priv->calib_disabled & IWL_SENSITIVITY_CALIB_DISABLED)
                 return;
 
         IWL_DEBUG_CALIB(priv, "Start iwl_init_sensitivity\n");
@@ -663,7 +663,7 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv)
         struct statistics_rx_phy *ofdm, *cck;
         struct statistics_general_data statis;
 
-        if (priv->disable_sens_cal)
+        if (priv->calib_disabled & IWL_SENSITIVITY_CALIB_DISABLED)
                 return;
 
         data = &(priv->sensitivity_data);
@@ -970,7 +970,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv)
          */
         struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
-        if (priv->disable_chain_noise_cal)
+        if (priv->calib_disabled & IWL_CHAIN_NOISE_CALIB_DISABLED)
                 return;
 
         data = &(priv->chain_noise_data);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 69279af5a41d..88a7f3a1056c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -414,6 +414,9 @@ static int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
         bool defer;
         struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
+        if (priv->calib_disabled & IWL_TX_POWER_CALIB_DISABLED)
+                return 0;
+
         lockdep_assert_held(&priv->mutex);
 
         if (priv->tx_power_user_lmt == tx_power && !force)
@@ -1319,6 +1322,9 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
         struct iwl_chain_noise_data *data = &priv->chain_noise_data;
         int ret;
 
+        if (!(priv->calib_disabled & IWL_CHAIN_NOISE_CALIB_DISABLED))
+                return;
+
         if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
             iwl_is_any_associated(priv)) {
                 struct iwl_calib_chain_noise_reset_cmd cmd;
@@ -1471,8 +1477,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
                         iwl_power_update_mode(priv, false);
 
                 /* Enable RX differential gain and sensitivity calibrations */
-                if (!priv->disable_chain_noise_cal)
-                        iwlagn_chain_noise_reset(priv);
+                iwlagn_chain_noise_reset(priv);
                 priv->start_calib = 1;
         }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index a77f45790e3c..4d1f1ddb8f6f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -2471,6 +2471,34 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file,
         return count;
 }
 
+static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
+                                         char __user *user_buf,
+                                         size_t count, loff_t *ppos)
+{
+        struct iwl_priv *priv = file->private_data;
+        char buf[120];
+        int pos = 0;
+        const size_t bufsz = sizeof(buf);
+
+        pos += scnprintf(buf + pos, bufsz - pos,
+                         "Sensitivity calibrations %s\n",
+                         (priv->calib_disabled &
+                                        IWL_SENSITIVITY_CALIB_DISABLED) ?
+                         "DISABLED" : "ENABLED");
+        pos += scnprintf(buf + pos, bufsz - pos,
+                         "Chain noise calibrations %s\n",
+                         (priv->calib_disabled &
+                                        IWL_CHAIN_NOISE_CALIB_DISABLED) ?
+                         "DISABLED" : "ENABLED");
+        pos += scnprintf(buf + pos, bufsz - pos,
+                         "Tx power calibrations %s\n",
+                         (priv->calib_disabled &
+                                        IWL_TX_POWER_CALIB_DISABLED) ?
+                         "DISABLED" : "ENABLED");
+
+        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
 DEBUGFS_READ_FILE_OPS(rx_statistics);
 DEBUGFS_READ_FILE_OPS(tx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -2495,6 +2523,7 @@ DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
 DEBUGFS_READ_FILE_OPS(reply_tx_error);
 DEBUGFS_WRITE_FILE_OPS(echo_test);
 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
+DEBUGFS_READ_FILE_OPS(calib_disabled);
 
 /*
  * Create the debugfs files and directories
@@ -2562,10 +2591,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
         if (iwl_advanced_bt_coexist(priv))
                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
 
-        DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
-                         &priv->disable_sens_cal);
-        DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
-                         &priv->disable_chain_noise_cal);
+        /* Calibrations disabled/enabled status*/
+        DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IRUSR);
 
         if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
                 goto err;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index d56d4db79210..c235a1ea71b4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -741,6 +741,14 @@ struct iwl_wipan_noa_data {
         u8 data[];
 };
 
+/* Calibration disabling bit mask */
+#define IWL_SENSITIVITY_CALIB_DISABLED  BIT(1)
+#define IWL_CHAIN_NOISE_CALIB_DISABLED  BIT(2)
+#define IWL_TX_POWER_CALIB_DISABLED     BIT(3)
+
+#define IWL_CALIB_ENABLE_ALL    0
+#define IWL_CALIB_DISABLE_ALL   0xFFFFFFFF
+
 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
         ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
 
@@ -1010,8 +1018,7 @@ struct iwl_priv {
         enum iwl_nvm_type nvm_device_type;
 
         struct work_struct txpower_work;
-        u32 disable_sens_cal;
-        u32 disable_chain_noise_cal;
+        u32 calib_disabled;
         struct work_struct run_time_calib_work;
         struct timer_list statistics_periodic;
         struct timer_list ucode_trace;