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Diffstat (limited to 'package/mac80211/patches/562-ath9k_use_reg_rmw.patch')
-rw-r--r--package/mac80211/patches/562-ath9k_use_reg_rmw.patch274
1 files changed, 274 insertions, 0 deletions
diff --git a/package/mac80211/patches/562-ath9k_use_reg_rmw.patch b/package/mac80211/patches/562-ath9k_use_reg_rmw.patch
new file mode 100644
index 0000000000..1400cf5517
--- /dev/null
+++ b/package/mac80211/patches/562-ath9k_use_reg_rmw.patch
@@ -0,0 +1,274 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -684,14 +684,14 @@ static void ath9k_hw_init_qos(struct ath
+
+ unsigned long ar9003_get_pll_sqsum_dvc(struct ath_hw *ah)
+ {
+- REG_WRITE(ah, PLL3, (REG_READ(ah, PLL3) & ~(PLL3_DO_MEAS_MASK)));
+- udelay(100);
+- REG_WRITE(ah, PLL3, (REG_READ(ah, PLL3) | PLL3_DO_MEAS_MASK));
++ REG_CLR_BIT(ah, PLL3, PLL3_DO_MEAS_MASK);
++ udelay(100);
++ REG_SET_BIT(ah, PLL3, PLL3_DO_MEAS_MASK);
+
+- while ((REG_READ(ah, PLL4) & PLL4_MEAS_DONE) == 0)
+- udelay(100);
++ while ((REG_READ(ah, PLL4) & PLL4_MEAS_DONE) == 0)
++ udelay(100);
+
+- return (REG_READ(ah, PLL3) & SQSUM_DVC_MASK) >> 3;
++ return (REG_READ(ah, PLL3) & SQSUM_DVC_MASK) >> 3;
+ }
+ EXPORT_SYMBOL(ar9003_get_pll_sqsum_dvc);
+
+@@ -841,8 +841,7 @@ void ath9k_hw_init_global_settings(struc
+ ah->misc_mode);
+
+ if (ah->misc_mode != 0)
+- REG_WRITE(ah, AR_PCU_MISC,
+- REG_READ(ah, AR_PCU_MISC) | ah->misc_mode);
++ REG_SET_BIT(ah, AR_PCU_MISC, ah->misc_mode);
+
+ if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ)
+ sifstime = 16;
+@@ -910,23 +909,19 @@ u32 ath9k_regd_get_ctl(struct ath_regula
+ static inline void ath9k_hw_set_dma(struct ath_hw *ah)
+ {
+ struct ath_common *common = ath9k_hw_common(ah);
+- u32 regval;
+
+ ENABLE_REGWRITE_BUFFER(ah);
+
+ /*
+ * set AHB_MODE not to do cacheline prefetches
+ */
+- if (!AR_SREV_9300_20_OR_LATER(ah)) {
+- regval = REG_READ(ah, AR_AHB_MODE);
+- REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
+- }
++ if (!AR_SREV_9300_20_OR_LATER(ah))
++ REG_SET_BIT(ah, AR_AHB_MODE, AR_AHB_PREFETCH_RD_EN);
+
+ /*
+ * let mac dma reads be in 128 byte chunks
+ */
+- regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
+- REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
++ REG_RMW(ah, AR_TXCFG, AR_TXCFG_DMASZ_128B, AR_TXCFG_DMASZ_MASK);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+
+@@ -943,8 +938,7 @@ static inline void ath9k_hw_set_dma(stru
+ /*
+ * let mac dma writes be in 128 byte chunks
+ */
+- regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK;
+- REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B);
++ REG_RMW(ah, AR_RXCFG, AR_RXCFG_DMASZ_128B, AR_RXCFG_DMASZ_MASK);
+
+ /*
+ * Setup receive FIFO threshold to hold off TX activities
+@@ -983,30 +977,27 @@ static inline void ath9k_hw_set_dma(stru
+
+ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
+ {
+- u32 val;
++ u32 mask = AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC;
++ u32 set = AR_STA_ID1_KSRCH_MODE;
+
+- val = REG_READ(ah, AR_STA_ID1);
+- val &= ~(AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC);
+ switch (opmode) {
+- case NL80211_IFTYPE_AP:
+- REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_STA_AP
+- | AR_STA_ID1_KSRCH_MODE);
+- REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
+- break;
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+- REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
+- | AR_STA_ID1_KSRCH_MODE);
++ set |= AR_STA_ID1_ADHOC;
+ REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
+ break;
++ case NL80211_IFTYPE_AP:
++ set |= AR_STA_ID1_STA_AP;
++ /* fall through */
+ case NL80211_IFTYPE_STATION:
+- REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
++ REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
+ break;
+ default:
+- if (ah->is_monitoring)
+- REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
++ if (!ah->is_monitoring)
++ set = 0;
+ break;
+ }
++ REG_RMW(ah, AR_STA_ID1, set, mask);
+ }
+
+ void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
+@@ -1032,10 +1023,8 @@ static bool ath9k_hw_set_reset(struct at
+ u32 tmpReg;
+
+ if (AR_SREV_9100(ah)) {
+- u32 val = REG_READ(ah, AR_RTC_DERIVED_CLK);
+- val &= ~AR_RTC_DERIVED_CLK_PERIOD;
+- val |= SM(1, AR_RTC_DERIVED_CLK_PERIOD);
+- REG_WRITE(ah, AR_RTC_DERIVED_CLK, val);
++ REG_RMW_FIELD(ah, AR_RTC_DERIVED_CLK,
++ AR_RTC_DERIVED_CLK_PERIOD, 1);
+ (void)REG_READ(ah, AR_RTC_DERIVED_CLK);
+ }
+
+@@ -1460,8 +1449,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ ar9002_hw_enable_wep_aggregation(ah);
+ }
+
+- REG_WRITE(ah, AR_STA_ID1,
+- REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM);
++ REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PRESERVE_SEQNUM);
+
+ ath9k_hw_set_dma(ah);
+
+@@ -2213,11 +2201,9 @@ void ath9k_hw_setrxfilter(struct ath_hw
+ REG_WRITE(ah, AR_PHY_ERR, phybits);
+
+ if (phybits)
+- REG_WRITE(ah, AR_RXCFG,
+- REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA);
++ REG_SET_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA);
+ else
+- REG_WRITE(ah, AR_RXCFG,
+- REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
++ REG_CLR_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+ }
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -465,10 +465,9 @@ bool ath9k_hw_resettxqueue(struct ath_hw
+ REG_WRITE(ah, AR_QCBRCFG(q),
+ SM(qi->tqi_cbrPeriod, AR_Q_CBRCFG_INTERVAL) |
+ SM(qi->tqi_cbrOverflowLimit, AR_Q_CBRCFG_OVF_THRESH));
+- REG_WRITE(ah, AR_QMISC(q),
+- REG_READ(ah, AR_QMISC(q)) | AR_Q_MISC_FSP_CBR |
+- (qi->tqi_cbrOverflowLimit ?
+- AR_Q_MISC_CBR_EXP_CNTR_LIMIT_EN : 0));
++ REG_SET_BIT(ah, AR_QMISC(q), AR_Q_MISC_FSP_CBR |
++ (qi->tqi_cbrOverflowLimit ?
++ AR_Q_MISC_CBR_EXP_CNTR_LIMIT_EN : 0));
+ }
+ if (qi->tqi_readyTime && (qi->tqi_type != ATH9K_TX_QUEUE_CAB)) {
+ REG_WRITE(ah, AR_QRDYTIMECFG(q),
+@@ -481,40 +480,31 @@ bool ath9k_hw_resettxqueue(struct ath_hw
+ (qi->tqi_burstTime ? AR_D_CHNTIME_EN : 0));
+
+ if (qi->tqi_burstTime
+- && (qi->tqi_qflags & TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE)) {
+- REG_WRITE(ah, AR_QMISC(q),
+- REG_READ(ah, AR_QMISC(q)) |
+- AR_Q_MISC_RDYTIME_EXP_POLICY);
++ && (qi->tqi_qflags & TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE))
++ REG_SET_BIT(ah, AR_QMISC(q), AR_Q_MISC_RDYTIME_EXP_POLICY);
+
+- }
+-
+- if (qi->tqi_qflags & TXQ_FLAG_BACKOFF_DISABLE) {
+- REG_WRITE(ah, AR_DMISC(q),
+- REG_READ(ah, AR_DMISC(q)) |
+- AR_D_MISC_POST_FR_BKOFF_DIS);
+- }
++ if (qi->tqi_qflags & TXQ_FLAG_BACKOFF_DISABLE)
++ REG_SET_BIT(ah, AR_DMISC(q), AR_D_MISC_POST_FR_BKOFF_DIS);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+
+- if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE) {
+- REG_WRITE(ah, AR_DMISC(q),
+- REG_READ(ah, AR_DMISC(q)) |
+- AR_D_MISC_FRAG_BKOFF_EN);
+- }
++ if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE)
++ REG_SET_BIT(ah, AR_DMISC(q), AR_D_MISC_FRAG_BKOFF_EN);
++
+ switch (qi->tqi_type) {
+ case ATH9K_TX_QUEUE_BEACON:
+ ENABLE_REGWRITE_BUFFER(ah);
+
+- REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
+- | AR_Q_MISC_FSP_DBA_GATED
+- | AR_Q_MISC_BEACON_USE
+- | AR_Q_MISC_CBR_INCR_DIS1);
++ REG_SET_BIT(ah, AR_QMISC(q),
++ AR_Q_MISC_FSP_DBA_GATED
++ | AR_Q_MISC_BEACON_USE
++ | AR_Q_MISC_CBR_INCR_DIS1);
+
+- REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
+- | (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
++ REG_SET_BIT(ah, AR_DMISC(q),
++ (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
+ AR_D_MISC_ARB_LOCKOUT_CNTRL_S)
+- | AR_D_MISC_BEACON_USE
+- | AR_D_MISC_POST_FR_BKOFF_DIS);
++ | AR_D_MISC_BEACON_USE
++ | AR_D_MISC_POST_FR_BKOFF_DIS);
+
+ REGWRITE_BUFFER_FLUSH(ah);
+
+@@ -533,41 +523,38 @@ bool ath9k_hw_resettxqueue(struct ath_hw
+ case ATH9K_TX_QUEUE_CAB:
+ ENABLE_REGWRITE_BUFFER(ah);
+
+- REG_WRITE(ah, AR_QMISC(q), REG_READ(ah, AR_QMISC(q))
+- | AR_Q_MISC_FSP_DBA_GATED
+- | AR_Q_MISC_CBR_INCR_DIS1
+- | AR_Q_MISC_CBR_INCR_DIS0);
++ REG_SET_BIT(ah, AR_QMISC(q),
++ AR_Q_MISC_FSP_DBA_GATED
++ | AR_Q_MISC_CBR_INCR_DIS1
++ | AR_Q_MISC_CBR_INCR_DIS0);
+ value = (qi->tqi_readyTime -
+ (ah->config.sw_beacon_response_time -
+ ah->config.dma_beacon_response_time) -
+ ah->config.additional_swba_backoff) * 1024;
+ REG_WRITE(ah, AR_QRDYTIMECFG(q),
+ value | AR_Q_RDYTIMECFG_EN);
+- REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q))
+- | (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
++ REG_SET_BIT(ah, AR_DMISC(q),
++ (AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL <<
+ AR_D_MISC_ARB_LOCKOUT_CNTRL_S));
+
+ REGWRITE_BUFFER_FLUSH(ah);
+
+ break;
+ case ATH9K_TX_QUEUE_PSPOLL:
+- REG_WRITE(ah, AR_QMISC(q),
+- REG_READ(ah, AR_QMISC(q)) | AR_Q_MISC_CBR_INCR_DIS1);
++ REG_SET_BIT(ah, AR_QMISC(q), AR_Q_MISC_CBR_INCR_DIS1);
+ break;
+ case ATH9K_TX_QUEUE_UAPSD:
+- REG_WRITE(ah, AR_DMISC(q), REG_READ(ah, AR_DMISC(q)) |
+- AR_D_MISC_POST_FR_BKOFF_DIS);
++ REG_SET_BIT(ah, AR_DMISC(q), AR_D_MISC_POST_FR_BKOFF_DIS);
+ break;
+ default:
+ break;
+ }
+
+ if (qi->tqi_intFlags & ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS) {
+- REG_WRITE(ah, AR_DMISC(q),
+- REG_READ(ah, AR_DMISC(q)) |
+- SM(AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL,
+- AR_D_MISC_ARB_LOCKOUT_CNTRL) |
+- AR_D_MISC_POST_FR_BKOFF_DIS);
++ REG_SET_BIT(ah, AR_DMISC(q),
++ SM(AR_D_MISC_ARB_LOCKOUT_CNTRL_GLOBAL,
++ AR_D_MISC_ARB_LOCKOUT_CNTRL) |
++ AR_D_MISC_POST_FR_BKOFF_DIS);
+ }
+
+ if (AR_SREV_9300_20_OR_LATER(ah))
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-28 13:56:57 +0000