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iwlwifi: add possibility to disable tx_power calibration

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This patch adds the possibility to disable the tx_power calibration.
In 5000 HW, this calibration is implemented in uCode, hence, it is
disabled in driver by default.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach 2008-06-12 09:46:54 +08:00 committed by John W. Linville
parent 4e39317df0
commit 203566f359
5 changed files with 14 additions and 2 deletions
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5
drivers/net/wireless/iwlwifi/iwl-4965.c
View file

@ -2103,8 +2103,9 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
priv->temperature = temp;
set_bit(STATUS_TEMPERATURE, &priv->status);
if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
iwl4965_is_temp_calib_needed(priv))
if (!priv->disable_tx_power_cal &&
unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
iwl4965_is_temp_calib_needed(priv))
queue_work(priv->workqueue, &priv->txpower_work);
}

7
drivers/net/wireless/iwlwifi/iwl-5000.c
View file

@ -1229,6 +1229,12 @@ static u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len)
return len;
}
static void iwl5000_setup_deferred_work(struct iwl_priv *priv)
{
/* in 5000 the tx power calibration is done in uCode */
priv->disable_tx_power_cal = 1;
}
static void iwl5000_rx_handler_setup(struct iwl_priv *priv)
{
/* init calibration handlers */
@ -1313,6 +1319,7 @@ static struct iwl_lib_ops iwl5000_lib = {
.txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwl5000_txq_set_sched,
.rx_handler_setup = iwl5000_rx_handler_setup,
.setup_deferred_work = iwl5000_setup_deferred_work,
.is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
.load_ucode = iwl5000_load_ucode,
.init_alive_start = iwl5000_init_alive_start,

1
drivers/net/wireless/iwlwifi/iwl-debug.h
View file

@ -57,6 +57,7 @@ struct iwl_debugfs {
struct dir_rf_files {
struct dentry *file_disable_sensitivity;
struct dentry *file_disable_chain_noise;
struct dentry *file_disable_tx_power;
} dbgfs_rf_files;
u32 sram_offset;
u32 sram_len;

2
drivers/net/wireless/iwlwifi/iwl-debugfs.c
View file

@ -388,6 +388,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
&priv->disable_chain_noise_cal);
DEBUGFS_ADD_BOOL(disable_tx_power, rf, &priv->disable_tx_power_cal);
return 0;
err:
@ -415,6 +416,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
kfree(priv->dbgfs);

1
drivers/net/wireless/iwlwifi/iwl-dev.h
View file

@ -1204,6 +1204,7 @@ struct iwl_priv {
struct work_struct txpower_work;
u32 disable_sens_cal;
u32 disable_chain_noise_cal;
u32 disable_tx_power_cal;
struct work_struct run_time_calib_work;
struct timer_list statistics_periodic;
}; /*iwl_priv */