From bfb45f5422deb3bbf12d8f67f5f76e4b9a7eb766 Mon Sep 17 00:00:00 2001
From: Dor Shaish <dor.shaish@intel.com>
Date: Mon, 26 Mar 2012 08:20:55 -0700
Subject: [PATCH] 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>
---
drivers/net/wireless/iwlwifi/iwl-agn-calib.c | 6 ++--
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 9 +++--
drivers/net/wireless/iwlwifi/iwl-debugfs.c | 35 +++++++++++++++++---
drivers/net/wireless/iwlwifi/iwl-dev.h | 11 ++++--
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;
--
2.20.1