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authorTomas Winkler <tomas.winkler@intel.com>2008-05-15 13:54:16 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-05-21 21:48:06 -0400
commit445c2dff409ef9de5d2f964d20917ab238fd266f (patch)
treefb4c9b7d31cd274a2a116aebd360ca1fedb27e43 /drivers/net
parentda6833cb05cd76f4367fa7e4a783bf358c096faf (diff)
iwlwifi: add debugfs to disable/enable run time calibration
This patch adds functionality to debugfs to enable or disable chain noise or sensitivity calibrations. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-calib.c9
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-calib.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debug.h9
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c20
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h6
5 files changed, 44 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index 1289d4c91ab..beb9716165c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -426,6 +426,9 @@ 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)
+ return;
+
IWL_DEBUG_CALIB("Start iwl_init_sensitivity\n");
/* Clear driver's sensitivity algo data */
@@ -486,6 +489,9 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv,
unsigned long flags;
struct statistics_general_data statis;
+ if (priv->disable_sens_cal)
+ return;
+
data = &(priv->sensitivity_data);
if (!iwl_is_associated(priv)) {
@@ -608,6 +614,9 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
unsigned long flags;
struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general);
+ if (priv->disable_chain_noise_cal)
+ return;
+
data = &(priv->chain_noise_data);
/* Accumulate just the first 20 beacons after the first association,
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.h b/drivers/net/wireless/iwlwifi/iwl-calib.h
index 933b0b0a797..e690668f08a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.h
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.h
@@ -81,7 +81,9 @@ void iwl_init_sensitivity(struct iwl_priv *priv);
static inline void iwl_chain_noise_reset(struct iwl_priv *priv)
{
- if (priv->cfg->ops->utils->chain_noise_reset)
+
+ if (!priv->disable_chain_noise_cal &&
+ priv->cfg->ops->utils->chain_noise_reset)
priv->cfg->ops->utils->chain_noise_reset(priv);
}
#else
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 2f24594c5fe..c3f8e90c5ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -45,13 +45,20 @@ struct iwl_debugfs {
const char *name;
struct dentry *dir_drv;
struct dentry *dir_data;
- struct dir_data_files{
+ struct dentry *dir_rf;
+ struct dir_data_files {
struct dentry *file_sram;
struct dentry *file_eeprom;
struct dentry *file_stations;
struct dentry *file_rx_statistics;
struct dentry *file_tx_statistics;
} dbgfs_data_files;
+ struct dir_rf_files {
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ struct dentry *file_disable_sensitivity;
+ struct dentry *file_disable_chain_noise;
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
+ } dbgfs_rf_files;
u32 sram_offset;
u32 sram_len;
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index ad25806dfaf..f7ec2009cdf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -55,6 +55,13 @@
goto err; \
} while (0)
+#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
+ dbgfs->dbgfs_##parent##_files.file_##name = \
+ debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \
+ if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)) \
+ goto err; \
+} while (0)
+
#define DEBUGFS_REMOVE(name) do { \
debugfs_remove(name); \
name = NULL; \
@@ -344,12 +351,17 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
}
DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
+ DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
DEBUGFS_ADD_FILE(eeprom, data);
DEBUGFS_ADD_FILE(sram, data);
DEBUGFS_ADD_FILE(stations, data);
DEBUGFS_ADD_FILE(rx_statistics, data);
DEBUGFS_ADD_FILE(tx_statistics, data);
-
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
+ DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
+ &priv->disable_chain_noise_cal);
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
return 0;
err:
@@ -374,6 +386,11 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
+ DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
kfree(priv->dbgfs);
priv->dbgfs = NULL;
@@ -381,3 +398,4 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
EXPORT_SYMBOL(iwl_dbgfs_unregister);
+
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b1ff0afd828..820542bac44 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1212,9 +1212,13 @@ struct iwl_priv {
#endif /* CONFIG_IWLWIFI_DEBUG */
struct work_struct txpower_work;
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ u32 disable_sens_cal;
+ u32 disable_chain_noise_cal;
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
struct work_struct sensitivity_work;
-#endif
+#endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
struct timer_list statistics_periodic;
}; /*iwl_priv */