From 630fe9b6f774dd55b71fe94392101eb00df58762 Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Thu, 12 Jun 2008 09:47:08 +0800 Subject: iwlwifi: refactor setting tx power This patch 1. Refactors settings of tx power 2. enables iwconfig txpower 3. adds 5000 HW tx power Signed-off-by: Tomas Winkler Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-4965.c | 51 +++++++-------------------------- 1 file changed, 11 insertions(+), 40 deletions(-) (limited to 'drivers/net/wireless/iwlwifi/iwl-4965.c') diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 3f24e979731..1b8dc2dbdb8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -46,6 +46,8 @@ #include "iwl-calib.h" #include "iwl-sta.h" +static int iwl4965_send_tx_power(struct iwl_priv *priv); + /* module parameters */ static struct iwl_mod_params iwl4965_mod_params = { .num_of_queues = IWL49_NUM_QUEUES, @@ -737,7 +739,7 @@ static void iwl4965_bg_txpower_work(struct work_struct *work) /* Regardless of if we are assocaited, we must reconfigure the * TX power since frames can be sent on non-radar channels while * not associated */ - iwl4965_hw_reg_send_txpower(priv); + iwl4965_send_tx_power(priv); /* Update last_temperature to keep is_calib_needed from running * when it isn't needed... */ @@ -952,11 +954,6 @@ static int iwl4965_set_power(struct iwl_priv *priv, cmd, NULL); return ret; } -int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power) -{ - IWL_ERROR("TODO: Implement iwl4965_hw_reg_set_txpower!\n"); - return -EINVAL; -} static s32 iwl4965_math_div_round(s32 num, s32 denom, s32 *res) { @@ -1007,20 +1004,6 @@ static s32 iwl4965_get_voltage_compensation(s32 eeprom_voltage, return comp; } -static const struct iwl_channel_info * -iwl4965_get_channel_txpower_info(struct iwl_priv *priv, - enum ieee80211_band band, u16 channel) -{ - const struct iwl_channel_info *ch_info; - - ch_info = iwl_get_channel_info(priv, band, channel); - - if (!is_channel_valid(ch_info)) - return NULL; - - return ch_info; -} - static s32 iwl4965_get_tx_atten_grp(u16 channel) { if (channel >= CALIB_IWL_TX_ATTEN_GR5_FCH && @@ -1444,30 +1427,17 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel, s32 factory_actual_pwr[2]; s32 power_index; - /* Sanity check requested level (dBm) */ - if (priv->user_txpower_limit < IWL_TX_POWER_TARGET_POWER_MIN) { - IWL_WARNING("Requested user TXPOWER %d below limit.\n", - priv->user_txpower_limit); - return -EINVAL; - } - if (priv->user_txpower_limit > IWL_TX_POWER_TARGET_POWER_MAX) { - IWL_WARNING("Requested user TXPOWER %d above limit.\n", - priv->user_txpower_limit); - return -EINVAL; - } - /* user_txpower_limit is in dBm, convert to half-dBm (half-dB units * are used for indexing into txpower table) */ - user_target_power = 2 * priv->user_txpower_limit; + user_target_power = 2 * priv->tx_power_user_lmt; /* Get current (RXON) channel, band, width */ - ch_info = - iwl4965_get_channel_txpower_info(priv, priv->band, channel); - IWL_DEBUG_TXPOWER("chan %d band %d is_fat %d\n", channel, band, is_fat); - if (!ch_info) + ch_info = iwl_get_channel_info(priv, priv->band, channel); + + if (!is_channel_valid(ch_info)) return -EINVAL; /* get txatten group, used to select 1) thermal txpower adjustment @@ -1668,12 +1638,12 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel, } /** - * iwl4965_hw_reg_send_txpower - Configure the TXPOWER level user limit + * iwl4965_send_tx_power - Configure the TXPOWER level user limit * * Uses the active RXON for channel, band, and characteristics (fat, high) - * The power limit is taken from priv->user_txpower_limit. + * The power limit is taken from priv->tx_power_user_lmt. */ -int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv) +static int iwl4965_send_tx_power(struct iwl_priv *priv) { struct iwl4965_txpowertable_cmd cmd = { 0 }; int ret; @@ -3507,6 +3477,7 @@ static struct iwl_lib_ops iwl4965_lib = { }, .radio_kill_sw = iwl4965_radio_kill_sw, .set_power = iwl4965_set_power, + .send_tx_power = iwl4965_send_tx_power, .update_chain_flags = iwl4965_update_chain_flags, }; -- cgit v1.2.3