diff options
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/ar9170.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/main.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/usb.c | 170 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/eeprom.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/phy.c | 41 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/reg.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/reset.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/rc.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 4 |
9 files changed, 152 insertions, 107 deletions
diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h index 8c8ce67971e9..dc662b76a1c8 100644 --- a/drivers/net/wireless/ath/ar9170/ar9170.h +++ b/drivers/net/wireless/ath/ar9170/ar9170.h @@ -166,6 +166,7 @@ struct ar9170 { struct ath_common common; struct mutex mutex; enum ar9170_device_state state; + bool registered; unsigned long bad_hw_nagger; int (*open)(struct ar9170 *); diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c index 08dc42da0f63..257c734733d1 100644 --- a/drivers/net/wireless/ath/ar9170/main.c +++ b/drivers/net/wireless/ath/ar9170/main.c @@ -2701,7 +2701,8 @@ int ar9170_register(struct ar9170 *ar, struct device *pdev) dev_info(pdev, "Atheros AR9170 is registered as '%s'\n", wiphy_name(ar->hw->wiphy)); - return err; + ar->registered = true; + return 0; err_unreg: ieee80211_unregister_hw(ar->hw); @@ -2712,11 +2713,14 @@ err_out: void ar9170_unregister(struct ar9170 *ar) { + if (ar->registered) { #ifdef CONFIG_AR9170_LEDS - ar9170_unregister_leds(ar); + ar9170_unregister_leds(ar); #endif /* CONFIG_AR9170_LEDS */ - kfree_skb(ar->rx_failover); ieee80211_unregister_hw(ar->hw); + } + + kfree_skb(ar->rx_failover); mutex_destroy(&ar->mutex); } diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c index 0f361186b78f..4e30197afff6 100644 --- a/drivers/net/wireless/ath/ar9170/usb.c +++ b/drivers/net/wireless/ath/ar9170/usb.c @@ -582,43 +582,6 @@ static int ar9170_usb_upload(struct ar9170_usb *aru, const void *data, return 0; } -static int ar9170_usb_request_firmware(struct ar9170_usb *aru) -{ - int err = 0; - - err = request_firmware(&aru->firmware, "ar9170.fw", - &aru->udev->dev); - if (!err) { - aru->init_values = NULL; - return 0; - } - - if (aru->req_one_stage_fw) { - dev_err(&aru->udev->dev, "ar9170.fw firmware file " - "not found and is required for this device\n"); - return -EINVAL; - } - - dev_err(&aru->udev->dev, "ar9170.fw firmware file " - "not found, trying old firmware...\n"); - - err = request_firmware(&aru->init_values, "ar9170-1.fw", - &aru->udev->dev); - if (err) { - dev_err(&aru->udev->dev, "file with init values not found.\n"); - return err; - } - - err = request_firmware(&aru->firmware, "ar9170-2.fw", &aru->udev->dev); - if (err) { - release_firmware(aru->init_values); - dev_err(&aru->udev->dev, "firmware file not found.\n"); - return err; - } - - return err; -} - static int ar9170_usb_reset(struct ar9170_usb *aru) { int ret, lock = (aru->intf->condition != USB_INTERFACE_BINDING); @@ -757,6 +720,103 @@ err_out: return err; } +static void ar9170_usb_firmware_failed(struct ar9170_usb *aru) +{ + struct device *parent = aru->udev->dev.parent; + + /* unbind anything failed */ + if (parent) + down(&parent->sem); + device_release_driver(&aru->udev->dev); + if (parent) + up(&parent->sem); +} + +static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context) +{ + struct ar9170_usb *aru = context; + int err; + + aru->firmware = fw; + + if (!fw) { + dev_err(&aru->udev->dev, "firmware file not found.\n"); + goto err_freefw; + } + + err = ar9170_usb_init_device(aru); + if (err) + goto err_freefw; + + err = ar9170_usb_open(&aru->common); + if (err) + goto err_unrx; + + err = ar9170_register(&aru->common, &aru->udev->dev); + + ar9170_usb_stop(&aru->common); + if (err) + goto err_unrx; + + return; + + err_unrx: + ar9170_usb_cancel_urbs(aru); + + err_freefw: + ar9170_usb_firmware_failed(aru); +} + +static void ar9170_usb_firmware_inits(const struct firmware *fw, + void *context) +{ + struct ar9170_usb *aru = context; + int err; + + if (!fw) { + dev_err(&aru->udev->dev, "file with init values not found.\n"); + ar9170_usb_firmware_failed(aru); + return; + } + + aru->init_values = fw; + + /* ok so we have the init values -- get code for two-stage */ + + err = request_firmware_nowait(THIS_MODULE, 1, "ar9170-2.fw", + &aru->udev->dev, GFP_KERNEL, aru, + ar9170_usb_firmware_finish); + if (err) + ar9170_usb_firmware_failed(aru); +} + +static void ar9170_usb_firmware_step2(const struct firmware *fw, void *context) +{ + struct ar9170_usb *aru = context; + int err; + + if (fw) { + ar9170_usb_firmware_finish(fw, context); + return; + } + + if (aru->req_one_stage_fw) { + dev_err(&aru->udev->dev, "ar9170.fw firmware file " + "not found and is required for this device\n"); + ar9170_usb_firmware_failed(aru); + return; + } + + dev_err(&aru->udev->dev, "ar9170.fw firmware file " + "not found, trying old firmware...\n"); + + err = request_firmware_nowait(THIS_MODULE, 1, "ar9170-1.fw", + &aru->udev->dev, GFP_KERNEL, aru, + ar9170_usb_firmware_inits); + if (err) + ar9170_usb_firmware_failed(aru); +} + static bool ar9170_requires_one_stage(const struct usb_device_id *id) { if (!id->driver_info) @@ -814,33 +874,9 @@ static int ar9170_usb_probe(struct usb_interface *intf, if (err) goto err_freehw; - err = ar9170_usb_request_firmware(aru); - if (err) - goto err_freehw; - - err = ar9170_usb_init_device(aru); - if (err) - goto err_freefw; - - err = ar9170_usb_open(ar); - if (err) - goto err_unrx; - - err = ar9170_register(ar, &udev->dev); - - ar9170_usb_stop(ar); - if (err) - goto err_unrx; - - return 0; - -err_unrx: - ar9170_usb_cancel_urbs(aru); - -err_freefw: - release_firmware(aru->init_values); - release_firmware(aru->firmware); - + return request_firmware_nowait(THIS_MODULE, 1, "ar9170.fw", + &aru->udev->dev, GFP_KERNEL, aru, + ar9170_usb_firmware_step2); err_freehw: usb_set_intfdata(intf, NULL); usb_put_dev(udev); @@ -860,12 +896,12 @@ static void ar9170_usb_disconnect(struct usb_interface *intf) ar9170_unregister(&aru->common); ar9170_usb_cancel_urbs(aru); - release_firmware(aru->init_values); - release_firmware(aru->firmware); - usb_put_dev(aru->udev); usb_set_intfdata(intf, NULL); ieee80211_free_hw(aru->common.hw); + + release_firmware(aru->init_values); + release_firmware(aru->firmware); } #ifdef CONFIG_PM diff --git a/drivers/net/wireless/ath/ath5k/eeprom.c b/drivers/net/wireless/ath/ath5k/eeprom.c index 6a3f4da7fb48..10b52262b232 100644 --- a/drivers/net/wireless/ath/ath5k/eeprom.c +++ b/drivers/net/wireless/ath/ath5k/eeprom.c @@ -429,8 +429,8 @@ static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset, ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; AR5K_EEPROM_READ(o++, val); - ee->ee_i_cal[mode] = (val >> 8) & 0x3f; - ee->ee_q_cal[mode] = (val >> 3) & 0x1f; + ee->ee_i_cal[mode] = (val >> 5) & 0x3f; + ee->ee_q_cal[mode] = val & 0x1f; if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_2) { AR5K_EEPROM_READ(o++, val); diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index 72474c0ccaff..eff3323efb4b 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -1386,38 +1386,39 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah, goto done; /* Calibration has finished, get the results and re-run */ + + /* work around empty results which can apparently happen on 5212 */ for (i = 0; i <= 10; i++) { iq_corr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_CORR); i_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_I); q_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_Q); + ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_CALIBRATE, + "iq_corr:%x i_pwr:%x q_pwr:%x", iq_corr, i_pwr, q_pwr); + if (i_pwr && q_pwr) + break; } i_coffd = ((i_pwr >> 1) + (q_pwr >> 1)) >> 7; q_coffd = q_pwr >> 7; - /* No correction */ - if (i_coffd == 0 || q_coffd == 0) + /* protect against divide by 0 and loss of sign bits */ + if (i_coffd == 0 || q_coffd < 2) goto done; - i_coff = ((-iq_corr) / i_coffd); - - /* Boundary check */ - if (i_coff > 31) - i_coff = 31; - if (i_coff < -32) - i_coff = -32; + i_coff = (-iq_corr) / i_coffd; + i_coff = clamp(i_coff, -32, 31); /* signed 6 bit */ - q_coff = (((s32)i_pwr / q_coffd) - 128); + q_coff = (i_pwr / q_coffd) - 128; + q_coff = clamp(q_coff, -16, 15); /* signed 5 bit */ - /* Boundary check */ - if (q_coff > 15) - q_coff = 15; - if (q_coff < -16) - q_coff = -16; + ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_CALIBRATE, + "new I:%d Q:%d (i_coffd:%x q_coffd:%x)", + i_coff, q_coff, i_coffd, q_coffd); - /* Commit new I/Q value */ - AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE | - ((u32)q_coff) | ((u32)i_coff << AR5K_PHY_IQ_CORR_Q_I_COFF_S)); + /* Commit new I/Q values (set enable bit last to match HAL sources) */ + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_I_COFF, i_coff); + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_Q_COFF, q_coff); + AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE); /* Re-enable calibration -if we don't we'll commit * the same values again and again */ @@ -1873,7 +1874,7 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode) break; case AR5K_ANTMODE_FIXED_A: def_ant = 1; - tx_ant = 0; + tx_ant = 1; use_def_for_tx = true; update_def_on_tx = false; use_def_for_rts = true; @@ -1882,7 +1883,7 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode) break; case AR5K_ANTMODE_FIXED_B: def_ant = 2; - tx_ant = 0; + tx_ant = 2; use_def_for_tx = true; update_def_on_tx = false; use_def_for_rts = true; diff --git a/drivers/net/wireless/ath/ath5k/reg.h b/drivers/net/wireless/ath/ath5k/reg.h index 4cb9c5df9f46..1464f89b249c 100644 --- a/drivers/net/wireless/ath/ath5k/reg.h +++ b/drivers/net/wireless/ath/ath5k/reg.h @@ -2187,6 +2187,7 @@ */ #define AR5K_PHY_IQ 0x9920 /* Register Address */ #define AR5K_PHY_IQ_CORR_Q_Q_COFF 0x0000001f /* Mask for q correction info */ +#define AR5K_PHY_IQ_CORR_Q_Q_COFF_S 0 #define AR5K_PHY_IQ_CORR_Q_I_COFF 0x000007e0 /* Mask for i correction info */ #define AR5K_PHY_IQ_CORR_Q_I_COFF_S 5 #define AR5K_PHY_IQ_CORR_ENABLE 0x00000800 /* Enable i/q correction */ diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c index a35a7db0fc4c..cbf28e379843 100644 --- a/drivers/net/wireless/ath/ath5k/reset.c +++ b/drivers/net/wireless/ath/ath5k/reset.c @@ -851,12 +851,15 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah, AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1, AR5K_INIT_CYCRSSI_THR1); - /* I/Q correction - * TODO: Per channel i/q infos ? */ - AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, - AR5K_PHY_IQ_CORR_ENABLE | - (ee->ee_i_cal[ee_mode] << AR5K_PHY_IQ_CORR_Q_I_COFF_S) | - ee->ee_q_cal[ee_mode]); + /* I/Q correction (set enable bit last to match HAL sources) */ + /* TODO: Per channel i/q infos ? */ + if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) { + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_I_COFF, + ee->ee_i_cal[ee_mode]); + AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_Q_COFF, + ee->ee_q_cal[ee_mode]); + AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE); + } /* Heavy clipping -disable for now */ if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_1) @@ -1379,11 +1382,10 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, ath5k_hw_set_sleep_clock(ah, true); /* - * Disable beacons and reset the register + * Disable beacons and reset the TSF */ - AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE | - AR5K_BEACON_RESET_TSF); - + AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE); + ath5k_hw_reset_tsf(ah); return 0; } diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index ac34a055c713..0e79e58cf4c9 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -1323,7 +1323,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta, - u32 changed) + u32 changed, enum nl80211_channel_type oper_chan_type) { struct ath_softc *sc = priv; struct ath_rate_priv *ath_rc_priv = priv_sta; @@ -1340,8 +1340,8 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION) return; - if (sc->hw->conf.channel_type == NL80211_CHAN_HT40MINUS || - sc->hw->conf.channel_type == NL80211_CHAN_HT40PLUS) + if (oper_chan_type == NL80211_CHAN_HT40MINUS || + oper_chan_type == NL80211_CHAN_HT40PLUS) oper_cw40 = true; oper_sgi40 = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 47294f90bbe5..b2c8207f7bc1 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2258,7 +2258,7 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an) if (ATH_TXQ_SETUP(sc, i)) { txq = &sc->tx.txq[i]; - spin_lock(&txq->axq_lock); + spin_lock_bh(&txq->axq_lock); list_for_each_entry_safe(ac, ac_tmp, &txq->axq_acq, list) { @@ -2279,7 +2279,7 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an) } } - spin_unlock(&txq->axq_lock); + spin_unlock_bh(&txq->axq_lock); } } } |