From 2d0ecd63f5981cc55f0278022ce59d8e9791bcd1 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 8 Jul 2011 17:19:21 +0000 Subject: [PATCH] ath9k: add more fixes for half/quarter rate support SVN-Revision: 27562 --- .../patches/543-ath9k_fix_mac_clock_div.patch | 16 ++++ .../544-ath9k_fix_ar9287_mac_clock.patch | 14 +++ .../patches/545-ath9k_timing_settings.patch | 91 +++++++++++++++++++ .../546-ath9k_cleanup_ar9287_settings.patch | 78 ++++++++++++++++ ...-ath9k_half_quarter_set_channel_frac.patch | 13 +++ .../548-ath9k_half_quarter_synth_delay.patch | 14 +++ .../patches/549-ath9k_shift_reg_delay.patch | 14 +++ 7 files changed, 240 insertions(+) create mode 100644 package/mac80211/patches/543-ath9k_fix_mac_clock_div.patch create mode 100644 package/mac80211/patches/544-ath9k_fix_ar9287_mac_clock.patch create mode 100644 package/mac80211/patches/545-ath9k_timing_settings.patch create mode 100644 package/mac80211/patches/546-ath9k_cleanup_ar9287_settings.patch create mode 100644 package/mac80211/patches/547-ath9k_half_quarter_set_channel_frac.patch create mode 100644 package/mac80211/patches/548-ath9k_half_quarter_synth_delay.patch create mode 100644 package/mac80211/patches/549-ath9k_shift_reg_delay.patch diff --git a/package/mac80211/patches/543-ath9k_fix_mac_clock_div.patch b/package/mac80211/patches/543-ath9k_fix_mac_clock_div.patch new file mode 100644 index 00000000000..f76c54229fe --- /dev/null +++ b/package/mac80211/patches/543-ath9k_fix_mac_clock_div.patch @@ -0,0 +1,16 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -100,6 +100,13 @@ static void ath9k_hw_set_clockrate(struc + if (conf_is_ht40(conf)) + clockrate *= 2; + ++ if (ah->curchan) { ++ if (IS_CHAN_HALF_RATE(ah->curchan)) ++ clockrate /= 2; ++ if (IS_CHAN_QUARTER_RATE(ah->curchan)) ++ clockrate /= 4; ++ } ++ + common->clockrate = clockrate; + } + diff --git a/package/mac80211/patches/544-ath9k_fix_ar9287_mac_clock.patch b/package/mac80211/patches/544-ath9k_fix_ar9287_mac_clock.patch new file mode 100644 index 00000000000..f749f1d6286 --- /dev/null +++ b/package/mac80211/patches/544-ath9k_fix_ar9287_mac_clock.patch @@ -0,0 +1,14 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -88,7 +88,10 @@ static void ath9k_hw_set_clockrate(struc + struct ath_common *common = ath9k_hw_common(ah); + unsigned int clockrate; + +- if (!ah->curchan) /* should really check for CCK instead */ ++ /* AR9287 v1.3+ uses async FIFO and runs the MAC at 117 MHz */ ++ if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) ++ clockrate = 117; ++ else if (!ah->curchan) /* should really check for CCK instead */ + clockrate = ATH9K_CLOCK_RATE_CCK; + else if (conf->channel->band == IEEE80211_BAND_2GHZ) + clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM; diff --git a/package/mac80211/patches/545-ath9k_timing_settings.patch b/package/mac80211/patches/545-ath9k_timing_settings.patch new file mode 100644 index 00000000000..90a575a68ba --- /dev/null +++ b/package/mac80211/patches/545-ath9k_timing_settings.patch @@ -0,0 +1,91 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -951,25 +951,60 @@ static bool ath9k_hw_set_global_txtimeou + + void ath9k_hw_init_global_settings(struct ath_hw *ah) + { +- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; ++ struct ath_common *common = ath9k_hw_common(ah); ++ struct ieee80211_conf *conf = &common->hw->conf; ++ const struct ath9k_channel *chan = ah->curchan; + int acktimeout; + int slottime; + int sifstime; ++ int rx_lat = 0, tx_lat = 0, eifs = 0; ++ u32 reg; + + ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n", + ah->misc_mode); + ++ if (!chan) ++ return; ++ + if (ah->misc_mode != 0) + REG_SET_BIT(ah, AR_PCU_MISC, ah->misc_mode); + +- if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ) +- sifstime = 16; +- else +- sifstime = 10; ++ rx_lat = 37; ++ tx_lat = 54; ++ ++ if (IS_CHAN_HALF_RATE(chan)) { ++ eifs = 175; ++ rx_lat *= 2; ++ tx_lat *= 2; ++ if (IS_CHAN_A_FAST_CLOCK(ah, chan)) ++ tx_lat += 11; ++ ++ slottime = 13; ++ sifstime = 32; ++ } else if (IS_CHAN_QUARTER_RATE(chan)) { ++ eifs = 340; ++ rx_lat *= 4; ++ tx_lat *= 4; ++ if (IS_CHAN_A_FAST_CLOCK(ah, chan)) ++ tx_lat += 22; ++ ++ slottime = 21; ++ sifstime = 64; ++ } else { ++ eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS); ++ reg = REG_READ(ah, AR_USEC); ++ rx_lat = MS(reg, AR_USEC_RX_LAT); ++ tx_lat = MS(reg, AR_USEC_TX_LAT); ++ ++ slottime = ah->slottime; ++ if (IS_CHAN_5GHZ(chan)) ++ sifstime = 16; ++ else ++ sifstime = 10; ++ } + + /* As defined by IEEE 802.11-2007 17.3.8.6 */ +- slottime = ah->slottime + 3 * ah->coverage_class; +- acktimeout = slottime + sifstime; ++ acktimeout = slottime + sifstime + 3 * ah->coverage_class; + + /* + * Workaround for early ACK timeouts, add an offset to match the +@@ -981,11 +1016,19 @@ void ath9k_hw_init_global_settings(struc + if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) + acktimeout += 64 - sifstime - ah->slottime; + +- ath9k_hw_setslottime(ah, ah->slottime); ++ ath9k_hw_setslottime(ah, slottime); + ath9k_hw_set_ack_timeout(ah, acktimeout); + ath9k_hw_set_cts_timeout(ah, acktimeout); + if (ah->globaltxtimeout != (u32) -1) + ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout); ++ ++ REG_WRITE(ah, AR_D_GBL_IFS_EIFS, ath9k_hw_mac_to_clks(ah, eifs)); ++ REG_RMW(ah, AR_USEC, ++ (common->clockrate - 1) | ++ SM(rx_lat, AR_USEC_RX_LAT) | ++ SM(tx_lat, AR_USEC_TX_LAT), ++ AR_USEC_TX_LAT | AR_USEC_RX_LAT | AR_USEC_USEC); ++ + } + EXPORT_SYMBOL(ath9k_hw_init_global_settings); + diff --git a/package/mac80211/patches/546-ath9k_cleanup_ar9287_settings.patch b/package/mac80211/patches/546-ath9k_cleanup_ar9287_settings.patch new file mode 100644 index 00000000000..4fe210a6572 --- /dev/null +++ b/package/mac80211/patches/546-ath9k_cleanup_ar9287_settings.patch @@ -0,0 +1,78 @@ +--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c +@@ -499,45 +499,6 @@ void ar9002_hw_enable_async_fifo(struct + } + } + +-/* +- * If Async FIFO is enabled, the following counters change as MAC now runs +- * at 117 Mhz instead of 88/44MHz when async FIFO is disabled. +- * +- * The values below tested for ht40 2 chain. +- * Overwrite the delay/timeouts initialized in process ini. +- */ +-void ar9002_hw_update_async_fifo(struct ath_hw *ah) +-{ +- if (AR_SREV_9287_13_OR_LATER(ah)) { +- REG_WRITE(ah, AR_D_GBL_IFS_SIFS, +- AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR); +- REG_WRITE(ah, AR_D_GBL_IFS_SLOT, +- AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR); +- REG_WRITE(ah, AR_D_GBL_IFS_EIFS, +- AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR); +- +- REG_WRITE(ah, AR_TIME_OUT, AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR); +- REG_WRITE(ah, AR_USEC, AR_USEC_ASYNC_FIFO_DUR); +- +- REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER, +- AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768); +- REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN, +- AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL); +- } +-} +- +-/* +- * We don't enable WEP aggregation on mac80211 but we keep this +- * around for HAL unification purposes. +- */ +-void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah) +-{ +- if (AR_SREV_9287_13_OR_LATER(ah)) { +- REG_SET_BIT(ah, AR_PCU_MISC_MODE2, +- AR_PCU_MISC_MODE2_ENABLE_AGGWEP); +- } +-} +- + /* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */ + void ar9002_hw_attach_ops(struct ath_hw *ah) + { +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1633,9 +1633,13 @@ int ath9k_hw_reset(struct ath_hw *ah, st + + ath9k_hw_init_global_settings(ah); + +- if (!AR_SREV_9300_20_OR_LATER(ah)) { +- ar9002_hw_update_async_fifo(ah); +- ar9002_hw_enable_wep_aggregation(ah); ++ if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) { ++ REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER, ++ AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768); ++ REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN, ++ AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL); ++ REG_SET_BIT(ah, AR_PCU_MISC_MODE2, ++ AR_PCU_MISC_MODE2_ENABLE_AGGWEP); + } + + REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PRESERVE_SEQNUM); +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -984,8 +984,6 @@ void ath9k_hw_get_delta_slope_vals(struc + void ar9002_hw_cck_chan14_spread(struct ath_hw *ah); + int ar9002_hw_rf_claim(struct ath_hw *ah); + void ar9002_hw_enable_async_fifo(struct ath_hw *ah); +-void ar9002_hw_update_async_fifo(struct ath_hw *ah); +-void ar9002_hw_enable_wep_aggregation(struct ath_hw *ah); + + /* + * Code specific to AR9003, we stuff these here to avoid callbacks diff --git a/package/mac80211/patches/547-ath9k_half_quarter_set_channel_frac.patch b/package/mac80211/patches/547-ath9k_half_quarter_set_channel_frac.patch new file mode 100644 index 00000000000..cb215b8c615 --- /dev/null +++ b/package/mac80211/patches/547-ath9k_half_quarter_set_channel_frac.patch @@ -0,0 +1,13 @@ +--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c +@@ -111,7 +111,9 @@ static int ar9002_hw_set_channel(struct + + switch (ah->eep_ops->get_eeprom(ah, EEP_FRAC_N_5G)) { + case 0: +- if ((freq % 20) == 0) ++ if (IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan)) ++ aModeRefSel = 0; ++ else if ((freq % 20) == 0) + aModeRefSel = 3; + else if ((freq % 10) == 0) + aModeRefSel = 2; diff --git a/package/mac80211/patches/548-ath9k_half_quarter_synth_delay.patch b/package/mac80211/patches/548-ath9k_half_quarter_synth_delay.patch new file mode 100644 index 00000000000..6429d190762 --- /dev/null +++ b/package/mac80211/patches/548-ath9k_half_quarter_synth_delay.patch @@ -0,0 +1,14 @@ +--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c +@@ -627,6 +627,11 @@ static void ar5008_hw_init_bb(struct ath + else + synthDelay /= 10; + ++ if (IS_CHAN_HALF_RATE(chan)) ++ synthDelay *= 2; ++ else if (IS_CHAN_QUARTER_RATE(chan)) ++ synthDelay *= 4; ++ + REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN); + + udelay(synthDelay + BASE_ACTIVATE_DELAY); diff --git a/package/mac80211/patches/549-ath9k_shift_reg_delay.patch b/package/mac80211/patches/549-ath9k_shift_reg_delay.patch new file mode 100644 index 00000000000..3676ae42af7 --- /dev/null +++ b/package/mac80211/patches/549-ath9k_shift_reg_delay.patch @@ -0,0 +1,14 @@ +--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c +@@ -131,8 +131,9 @@ static int ar9002_hw_set_channel(struct + channelSel = CHANSEL_5G(freq); + + /* RefDivA setting */ +- REG_RMW_FIELD(ah, AR_AN_SYNTH9, +- AR_AN_SYNTH9_REFDIVA, refDivA); ++ ath9k_hw_analog_shift_rmw(ah, AR_AN_SYNTH9, ++ AR_AN_SYNTH9_REFDIVA, ++ AR_AN_SYNTH9_REFDIVA_S, refDivA); + + } + -- 2.30.2