mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-27 12:08:59 +02:00
0b00ddfee9
git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@22494 3c298f89-4303-0410-b956-a3cf2f4a3e73
102 lines
2.6 KiB
Diff
102 lines
2.6 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/calib.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/calib.c
|
|
@@ -19,8 +19,7 @@
|
|
|
|
/* Common calibration code */
|
|
|
|
-/* We can tune this as we go by monitoring really low values */
|
|
-#define ATH9K_NF_TOO_LOW -60
|
|
+#define ATH9K_NF_TOO_HIGH -60
|
|
|
|
static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
|
|
{
|
|
@@ -45,11 +44,35 @@ static int16_t ath9k_hw_get_nf_hist_mid(
|
|
return nfval;
|
|
}
|
|
|
|
-static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
|
|
+static struct ath_nf_limits *ath9k_hw_get_nf_limits(struct ath_hw *ah,
|
|
+ struct ath9k_channel *chan)
|
|
+{
|
|
+ struct ath_nf_limits *limit;
|
|
+
|
|
+ if (!chan || IS_CHAN_2GHZ(chan))
|
|
+ limit = &ah->nf_2g;
|
|
+ else
|
|
+ limit = &ah->nf_5g;
|
|
+
|
|
+ return limit;
|
|
+}
|
|
+
|
|
+static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
|
|
+ struct ath9k_channel *chan)
|
|
+{
|
|
+ return ath9k_hw_get_nf_limits(ah, chan)->nominal;
|
|
+}
|
|
+
|
|
+
|
|
+static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,
|
|
+ struct ath9k_nfcal_hist *h,
|
|
int16_t *nfarray)
|
|
{
|
|
+ struct ath_nf_limits *limit;
|
|
int i;
|
|
|
|
+ limit = ath9k_hw_get_nf_limits(ah, ah->curchan);
|
|
+
|
|
for (i = 0; i < NUM_NF_READINGS; i++) {
|
|
h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
|
|
|
|
@@ -63,6 +86,9 @@ static void ath9k_hw_update_nfcal_hist_b
|
|
h[i].privNF =
|
|
ath9k_hw_get_nf_hist_mid(h[i].nfCalBuffer);
|
|
}
|
|
+
|
|
+ if (h[i].privNF > limit->max)
|
|
+ h[i].privNF = limit->max;
|
|
}
|
|
}
|
|
|
|
@@ -104,19 +130,6 @@ void ath9k_hw_reset_calibration(struct a
|
|
ah->cal_samples = 0;
|
|
}
|
|
|
|
-static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
|
|
- struct ath9k_channel *chan)
|
|
-{
|
|
- struct ath_nf_limits *limit;
|
|
-
|
|
- if (!chan || IS_CHAN_2GHZ(chan))
|
|
- limit = &ah->nf_2g;
|
|
- else
|
|
- limit = &ah->nf_5g;
|
|
-
|
|
- return limit->nominal;
|
|
-}
|
|
-
|
|
/* This is done for the currently configured channel */
|
|
bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
|
|
{
|
|
@@ -277,10 +290,10 @@ static void ath9k_hw_nf_sanitize(struct
|
|
"NF calibrated [%s] [chain %d] is %d\n",
|
|
(i >= 3 ? "ext" : "ctl"), i % 3, nf[i]);
|
|
|
|
- if (nf[i] > limit->max) {
|
|
+ if (nf[i] > ATH9K_NF_TOO_HIGH) {
|
|
ath_print(common, ATH_DBG_CALIBRATE,
|
|
"NF[%d] (%d) > MAX (%d), correcting to MAX",
|
|
- i, nf[i], limit->max);
|
|
+ i, nf[i], ATH9K_NF_TOO_HIGH);
|
|
nf[i] = limit->max;
|
|
} else if (nf[i] < limit->min) {
|
|
ath_print(common, ATH_DBG_CALIBRATE,
|
|
@@ -326,7 +339,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
|
|
|
|
h = caldata->nfCalHist;
|
|
caldata->nfcal_pending = false;
|
|
- ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
|
|
+ ath9k_hw_update_nfcal_hist_buffer(ah, h, nfarray);
|
|
caldata->rawNoiseFloor = h[0].privNF;
|
|
return true;
|
|
}
|