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-rw-r--r--package/mac80211/patches/531-ath9k_nf_cleanup.patch207
1 files changed, 207 insertions, 0 deletions
diff --git a/package/mac80211/patches/531-ath9k_nf_cleanup.patch b/package/mac80211/patches/531-ath9k_nf_cleanup.patch
new file mode 100644
index 0000000000..f74e4f6765
--- /dev/null
+++ b/package/mac80211/patches/531-ath9k_nf_cleanup.patch
@@ -0,0 +1,207 @@
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -1497,50 +1497,25 @@ static bool ar5008_hw_ani_control_new(st
+ static void ar5008_hw_do_getnf(struct ath_hw *ah,
+ int16_t nfarray[NUM_NF_READINGS])
+ {
+- struct ath_common *common = ath9k_hw_common(ah);
+ int16_t nf;
+
+ nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 0] is %d\n", nf);
+- nfarray[0] = nf;
++ nfarray[0] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 1] is %d\n", nf);
+- nfarray[1] = nf;
++ nfarray[1] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 2] is %d\n", nf);
+- nfarray[2] = nf;
++ nfarray[2] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 0] is %d\n", nf);
+- nfarray[3] = nf;
++ nfarray[3] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 1] is %d\n", nf);
+- nfarray[4] = nf;
++ nfarray[4] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 2] is %d\n", nf);
+- nfarray[5] = nf;
++ nfarray[5] = sign_extend(nf, 9);
+ }
+
+ static void ar5008_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
+--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+@@ -471,47 +471,22 @@ static u32 ar9002_hw_compute_pll_control
+ static void ar9002_hw_do_getnf(struct ath_hw *ah,
+ int16_t nfarray[NUM_NF_READINGS])
+ {
+- struct ath_common *common = ath9k_hw_common(ah);
+ int16_t nf;
+
+ nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR);
+-
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 0] is %d\n", nf);
+-
+- nfarray[0] = nf;
+-
+- if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
+- nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
+- AR9280_PHY_CH1_MINCCA_PWR);
+-
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 1] is %d\n", nf);
+- nfarray[1] = nf;
+- }
++ nfarray[0] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 0] is %d\n", nf);
+-
+- nfarray[3] = nf;
+-
+- if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
+- nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
+- AR9280_PHY_CH1_EXT_MINCCA_PWR);
+-
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 1] is %d\n", nf);
+- nfarray[4] = nf;
+- }
++ nfarray[3] = sign_extend(nf, 9);
++
++ if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
++ return;
++
++ nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR9280_PHY_CH1_MINCCA_PWR);
++ nfarray[1] = sign_extend(nf, 9);
++
++ nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR9280_PHY_CH1_EXT_MINCCA_PWR);
++ nfarray[4] = sign_extend(nf, 9);
+ }
+
+ static void ar9002_hw_set_nf_limits(struct ath_hw *ah)
+--- a/drivers/net/wireless/ath/ath9k/calib.c
++++ b/drivers/net/wireless/ath/ath9k/calib.c
+@@ -182,6 +182,10 @@ static void ath9k_hw_nf_sanitize(struct
+ if (!nf[i])
+ continue;
+
++ ath_print(common, ATH_DBG_CALIBRATE,
++ "NF calibrated [%s] [chain %d] is %d\n",
++ (i > 3 ? "ext" : "ctl"), i % 3, nf[i]);
++
+ if (nf[i] > limit->max) {
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF[%d] (%d) > MAX (%d), correcting to MAX",
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -853,6 +853,12 @@ static inline struct ath_hw_ops *ath9k_h
+ return &ah->ops;
+ }
+
++static inline int sign_extend(int val, const int nbits)
++{
++ int order = BIT(nbits-1);
++ return (val ^ order) - order;
++}
++
+ /* Initialization, Detach, Reset */
+ const char *ath9k_hw_probe(u16 vendorid, u16 devid);
+ void ath9k_hw_deinit(struct ath_hw *ah);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -1018,50 +1018,25 @@ static bool ar9003_hw_ani_control(struct
+ static void ar9003_hw_do_getnf(struct ath_hw *ah,
+ int16_t nfarray[NUM_NF_READINGS])
+ {
+- struct ath_common *common = ath9k_hw_common(ah);
+ int16_t nf;
+
+ nf = MS(REG_READ(ah, AR_PHY_CCA_0), AR_PHY_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 0] is %d\n", nf);
+- nfarray[0] = nf;
++ nfarray[0] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_CCA_1), AR_PHY_CH1_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 1] is %d\n", nf);
+- nfarray[1] = nf;
++ nfarray[1] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_CCA_2), AR_PHY_CH2_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ctl] [chain 2] is %d\n", nf);
+- nfarray[2] = nf;
++ nfarray[2] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 0] is %d\n", nf);
+- nfarray[3] = nf;
++ nfarray[3] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_EXT_CCA_1), AR_PHY_CH1_EXT_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 1] is %d\n", nf);
+- nfarray[4] = nf;
++ nfarray[4] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_EXT_CCA_2), AR_PHY_CH2_EXT_MINCCA_PWR);
+- if (nf & 0x100)
+- nf = 0 - ((nf ^ 0x1ff) + 1);
+- ath_print(common, ATH_DBG_CALIBRATE,
+- "NF calibrated [ext] [chain 2] is %d\n", nf);
+- nfarray[5] = nf;
++ nfarray[5] = sign_extend(nf, 9);
+ }
+
+ static void ar9003_hw_set_nf_limits(struct ath_hw *ah)
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-26 06:14:05 +0000