--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+@@ -210,8 +210,8 @@ ath5k_config(struct ieee80211_hw *hw, u3
+ }
+
+ if ((changed & IEEE80211_CONF_CHANGE_POWER) &&
+- (ah->power_level != conf->power_level)) {
+- ah->power_level = conf->power_level;
++ (ah->ah_txpower.txp_requested != conf->power_level)) {
++ ah->ah_txpower.txp_requested = conf->power_level;
+
+ /* Half dB steps */
+ ath5k_hw_set_txpower_limit(ah, (conf->power_level * 2));
@@ -622,7 +622,7 @@ ath5k_conf_tx(struct ieee80211_hw *hw, s
qi.tqi_aifs = params->aifs;
qi.tqi_cw_min = params->cw_min;
default:
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
-@@ -1418,6 +1418,7 @@ struct ath5k_hw {
- s16 txp_min_pwr;
- s16 txp_max_pwr;
- s16 txp_cur_pwr;
-+ s16 txp_user_pwr;
- /* Values in 0.5dB units */
- s16 txp_offset;
- s16 txp_ofdm;
+@@ -1331,7 +1331,6 @@ struct ath5k_hw {
+ unsigned int nexttbtt; /* next beacon time in TU */
+ struct ath5k_txq *cabq; /* content after beacon */
+
+- int power_level; /* Requested tx power in dBm */
+ bool assoc; /* associate state */
+ bool enable_beacon; /* true if beacons are on */
+
+@@ -1425,6 +1424,7 @@ struct ath5k_hw {
+ /* Value in dB units */
+ s16 txp_cck_ofdm_pwr_delta;
+ bool txp_setup;
++ int txp_requested; /* Requested tx power in dBm */
+ } ah_txpower;
+
+ struct ath5k_nfcal_hist ah_nfcal_hist;
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
-@@ -2953,6 +2953,9 @@ ath5k_init(struct ieee80211_hw *hw)
- hw->queues = 1;
- }
+@@ -325,6 +325,8 @@ ath5k_setup_channels(struct ath5k_hw *ah
+ if (!ath5k_is_standard_channel(ch, band))
+ continue;
-+ /* init tx_power setting to maximum */
-+ ah->ah_txpower.txp_user_pwr = AR5K_TUNE_MAX_TXPOWER;
++ channels[count].max_power = AR5K_TUNE_MAX_TXPOWER/2;
+
- tasklet_init(&ah->rxtq, ath5k_tasklet_rx, (unsigned long)ah);
- tasklet_init(&ah->txtq, ath5k_tasklet_tx, (unsigned long)ah);
- tasklet_init(&ah->beacontq, ath5k_tasklet_beacon, (unsigned long)ah);
+ count++;
+ }
+
+@@ -725,7 +727,7 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, s
+ ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
+ ieee80211_get_hdrlen_from_skb(skb), padsize,
+ get_hw_packet_type(skb),
+- (ah->power_level * 2),
++ (ah->ah_txpower.txp_requested * 2),
+ hw_rate,
+ info->control.rates[0].count, keyidx, ah->ah_tx_ant, flags,
+ cts_rate, duration);
+@@ -1780,7 +1782,8 @@ ath5k_beacon_setup(struct ath5k_hw *ah,
+ ds->ds_data = bf->skbaddr;
+ ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
+ ieee80211_get_hdrlen_from_skb(skb), padsize,
+- AR5K_PKT_TYPE_BEACON, (ah->power_level * 2),
++ AR5K_PKT_TYPE_BEACON,
++ (ah->ah_txpower.txp_requested * 2),
+ ieee80211_get_tx_rate(ah->hw, info)->hw_value,
+ 1, AR5K_TXKEYIX_INVALID,
+ antenna, flags, 0, 0);
--- a/drivers/net/wireless/ath/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
-@@ -1484,7 +1484,7 @@ ath5k_eeprom_read_target_rate_pwr_info(s
- case AR5K_EEPROM_MODE_11A:
- offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version);
- rate_pcal_info = ee->ee_rate_tpwr_a;
-- ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_CHAN;
-+ ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_RATE_CHAN;
- break;
- case AR5K_EEPROM_MODE_11B:
- offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version);
---- a/drivers/net/wireless/ath/ath5k/eeprom.h
-+++ b/drivers/net/wireless/ath/ath5k/eeprom.h
-@@ -182,6 +182,7 @@
- #define AR5K_EEPROM_EEP_DELTA 10
- #define AR5K_EEPROM_N_MODES 3
- #define AR5K_EEPROM_N_5GHZ_CHAN 10
-+#define AR5K_EEPROM_N_5GHZ_RATE_CHAN 8
- #define AR5K_EEPROM_N_2GHZ_CHAN 3
- #define AR5K_EEPROM_N_2GHZ_CHAN_2413 4
- #define AR5K_EEPROM_N_2GHZ_CHAN_MAX 4
+@@ -524,7 +524,7 @@ ath5k_eeprom_read_freq_list(struct ath5k
+
+ freq1 = val & 0xff;
+ if (!freq1)
+- break;
++ continue;
+
+ pc[i++].freq = ath5k_eeprom_bin2freq(ee,
+ freq1, mode);
+@@ -532,7 +532,7 @@ ath5k_eeprom_read_freq_list(struct ath5k
+
+ freq2 = (val >> 8) & 0xff;
+ if (!freq2)
+- break;
++ continue;
+
+ pc[i++].freq = ath5k_eeprom_bin2freq(ee,
+ freq2, mode);
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
-@@ -3585,14 +3585,12 @@ ath5k_setup_rate_powertable(struct ath5k
- * ath5k_hw_txpower() - Set transmission power limit for a given channel
- * @ah: The &struct ath5k_hw
- * @channel: The &struct ieee80211_channel
-- * @txpower: Requested tx power in 0.5dB steps
- *
- * Combines all of the above to set the requested tx power limit
-- * on hw.
-+ * on hw to ah->ah_txpower.txp_user_pwr.
- */
- static int
--ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
-- u8 txpower)
-+ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel)
+@@ -3518,6 +3518,7 @@ ath5k_setup_rate_powertable(struct ath5k
{
- struct ath5k_rate_pcal_info rate_info;
- struct ieee80211_channel *curr_channel = ah->ah_current_channel;
-@@ -3600,11 +3598,6 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st
- u8 type;
- int ret;
-
-- if (txpower > AR5K_TUNE_MAX_TXPOWER) {
-- ATH5K_ERR(ah, "invalid tx power: %u\n", txpower);
-- return -EINVAL;
-- }
--
- ee_mode = ath5k_eeprom_mode_from_channel(channel);
- if (ee_mode < 0) {
- ATH5K_ERR(ah,
-@@ -3669,7 +3662,7 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st
- ath5k_get_rate_pcal_data(ah, channel, &rate_info);
-
- /* Setup rate power table */
-- ath5k_setup_rate_powertable(ah, txpower, &rate_info, ee_mode);
-+ ath5k_setup_rate_powertable(ah, ah->ah_txpower.txp_user_pwr, &rate_info, ee_mode);
-
- /* Write rate power table on hw */
- ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(3, 24) |
-@@ -3719,8 +3712,16 @@ ath5k_hw_set_txpower_limit(struct ath5k_
- {
- ATH5K_DBG(ah, ATH5K_DEBUG_TXPOWER,
- "changing txpower to %d\n", txpower);
-+ if (txpower) {
-+ ah->ah_txpower.txp_user_pwr = txpower;
-
-- return ath5k_hw_txpower(ah, ah->ah_current_channel, txpower);
-+ if (ah->ah_txpower.txp_user_pwr > AR5K_TUNE_MAX_TXPOWER) {
-+ ATH5K_ERR(ah, "invalid tx power: %u\n", ah->ah_txpower.txp_user_pwr);
-+ return -EINVAL;
-+ }
-+ }
+ unsigned int i;
+ u16 *rates;
++ s16 rate_idx_scaled = 0;
+
+ /* max_pwr is power level we got from driver/user in 0.5dB
+ * units, switch to 0.25dB units so we can compare */
+@@ -3564,20 +3565,32 @@ ath5k_setup_rate_powertable(struct ath5k
+ for (i = 8; i <= 15; i++)
+ rates[i] -= ah->ah_txpower.txp_cck_ofdm_gainf_delta;
+
++ /* Save min/max and current tx power for this channel
++ * in 0.25dB units.
++ *
++ * Note: We use rates[0] for current tx power because
++ * it covers most of the rates, in most cases. It's our
++ * tx power limit and what the user expects to see. */
++ ah->ah_txpower.txp_min_pwr = 2 * rates[7];
++ ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
++
++ /* Set max txpower for correct OFDM operation on all rates
++ * -that is the txpower for 54Mbit-, it's used for the PAPD
++ * gain probe and it's in 0.5dB units */
++ ah->ah_txpower.txp_ofdm = rates[7];
+
-+ return ath5k_hw_txpower(ah, ah->ah_current_channel);
+ /* Now that we have all rates setup use table offset to
+ * match the power range set by user with the power indices
+ * on PCDAC/PDADC table */
+ for (i = 0; i < 16; i++) {
+- rates[i] += ah->ah_txpower.txp_offset;
++ rate_idx_scaled = rates[i] + ah->ah_txpower.txp_offset;
+ /* Don't get out of bounds */
+- if (rates[i] > 63)
+- rates[i] = 63;
++ if (rate_idx_scaled > 63)
++ rate_idx_scaled = 63;
++ if (rate_idx_scaled < 0)
++ rate_idx_scaled = 0;
++ rates[i] = rate_idx_scaled;
+ }
+-
+- /* Min/max in 0.25dB units */
+- ah->ah_txpower.txp_min_pwr = 2 * rates[7];
+- ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
+- ah->ah_txpower.txp_ofdm = rates[7];
}
-@@ -3791,8 +3792,8 @@ ath5k_hw_phy_init(struct ath5k_hw *ah, s
+@@ -3641,10 +3654,17 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st
+ if (!ah->ah_txpower.txp_setup ||
+ (channel->hw_value != curr_channel->hw_value) ||
+ (channel->center_freq != curr_channel->center_freq)) {
+- /* Reset TX power values */
++ /* Reset TX power values but preserve requested
++ * tx power from above */
++ int requested_txpower = ah->ah_txpower.txp_requested;
++
+ memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
++
++ /* Restore TPC setting and requested tx power */
+ ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
+
++ ah->ah_txpower.txp_requested = requested_txpower;
++
+ /* Calculate the powertable */
+ ret = ath5k_setup_channel_powertable(ah, channel,
+ ee_mode, type);
+@@ -3791,8 +3811,9 @@ ath5k_hw_phy_init(struct ath5k_hw *ah, s
* RF buffer settings on 5211/5212+ so that we
* properly set curve indices.
*/
- ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_cur_pwr ?
- ah->ah_txpower.txp_cur_pwr / 2 : AR5K_TUNE_MAX_TXPOWER);
-+ ret = ath5k_hw_txpower(ah, channel);
-+
++ ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_requested ?
++ ah->ah_txpower.txp_requested * 2 :
++ AR5K_TUNE_MAX_TXPOWER);
if (ret)
return ret;
projects / openwrt.git / commitdiff