mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-26 10:56:26 +02:00
b860f4a0da
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33031 3c298f89-4303-0410-b956-a3cf2f4a3e73
154 lines
4.0 KiB
Diff
154 lines
4.0 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
|
|
@@ -786,6 +786,102 @@ int ar9003_paprd_setup_gain_table(struct
|
|
}
|
|
EXPORT_SYMBOL(ar9003_paprd_setup_gain_table);
|
|
|
|
+static bool ar9003_paprd_retrain_pa_in(struct ath_hw *ah,
|
|
+ struct ath9k_hw_cal_data *caldata,
|
|
+ int chain)
|
|
+{
|
|
+ u32 *pa_in = caldata->pa_table[chain];
|
|
+ int capdiv_offset, quick_drop_offset;
|
|
+ int capdiv2g, quick_drop;
|
|
+ int count = 0;
|
|
+ int i;
|
|
+
|
|
+ if (!AR_SREV_9485(ah) && !AR_SREV_9330(ah))
|
|
+ return false;
|
|
+
|
|
+ capdiv2g = REG_READ_FIELD(ah, AR_PHY_65NM_CH0_TXRF3,
|
|
+ AR_PHY_65NM_CH0_TXRF3_CAPDIV2G);
|
|
+
|
|
+ quick_drop = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
|
|
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP);
|
|
+
|
|
+ if (quick_drop)
|
|
+ quick_drop -= 0x40;
|
|
+
|
|
+ for (i = 0; i < NUM_BIN + 1; i++) {
|
|
+ if (pa_in[i] == 1400)
|
|
+ count++;
|
|
+ }
|
|
+
|
|
+ if (AR_SREV_9485(ah)) {
|
|
+ if (pa_in[23] < 800) {
|
|
+ capdiv_offset = (int)((1000 - pa_in[23] + 75) / 150);
|
|
+ capdiv2g += capdiv_offset;
|
|
+ if (capdiv2g > 7) {
|
|
+ capdiv2g = 7;
|
|
+ if (pa_in[23] < 600) {
|
|
+ quick_drop++;
|
|
+ if (quick_drop > 0)
|
|
+ quick_drop = 0;
|
|
+ }
|
|
+ }
|
|
+ } else if (pa_in[23] == 1400) {
|
|
+ quick_drop_offset = min_t(int, count / 3, 2);
|
|
+ quick_drop += quick_drop_offset;
|
|
+ capdiv2g += quick_drop_offset / 2;
|
|
+
|
|
+ if (capdiv2g > 7)
|
|
+ capdiv2g = 7;
|
|
+
|
|
+ if (quick_drop > 0) {
|
|
+ quick_drop = 0;
|
|
+ capdiv2g -= quick_drop_offset;
|
|
+ if (capdiv2g < 0)
|
|
+ capdiv2g = 0;
|
|
+ }
|
|
+ } else {
|
|
+ return false;
|
|
+ }
|
|
+ } else if (AR_SREV_9330(ah)) {
|
|
+ if (pa_in[23] < 1000) {
|
|
+ capdiv_offset = (1000 - pa_in[23]) / 100;
|
|
+ capdiv2g += capdiv_offset;
|
|
+ if (capdiv_offset > 3) {
|
|
+ capdiv_offset = 1;
|
|
+ quick_drop--;
|
|
+ }
|
|
+
|
|
+ capdiv2g += capdiv_offset;
|
|
+ if (capdiv2g > 6)
|
|
+ capdiv2g = 6;
|
|
+ if (quick_drop < -4)
|
|
+ quick_drop = -4;
|
|
+ } else if (pa_in[23] == 1400) {
|
|
+ if (count > 3) {
|
|
+ quick_drop++;
|
|
+ capdiv2g -= count / 4;
|
|
+ if (quick_drop > -2)
|
|
+ quick_drop = -2;
|
|
+ } else {
|
|
+ capdiv2g--;
|
|
+ }
|
|
+
|
|
+ if (capdiv2g < 0)
|
|
+ capdiv2g = 0;
|
|
+ } else {
|
|
+ return false;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_TXRF3,
|
|
+ AR_PHY_65NM_CH0_TXRF3_CAPDIV2G, capdiv2g);
|
|
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
|
|
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP,
|
|
+ quick_drop);
|
|
+
|
|
+ return true;
|
|
+}
|
|
+
|
|
int ar9003_paprd_create_curve(struct ath_hw *ah,
|
|
struct ath9k_hw_cal_data *caldata, int chain)
|
|
{
|
|
@@ -821,6 +917,9 @@ int ar9003_paprd_create_curve(struct ath
|
|
if (!create_pa_curve(data_L, data_U, pa_table, small_signal_gain))
|
|
status = -2;
|
|
|
|
+ if (ar9003_paprd_retrain_pa_in(ah, caldata, chain))
|
|
+ status = -EINPROGRESS;
|
|
+
|
|
REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
|
|
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
|
|
|
|
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
|
|
@@ -625,6 +625,10 @@
|
|
#define AR_PHY_AIC_CTRL_4_B0 (AR_SM_BASE + 0x4c0)
|
|
#define AR_PHY_AIC_STAT_2_B0 (AR_SM_BASE + 0x4cc)
|
|
|
|
+#define AR_PHY_65NM_CH0_TXRF3 0x16048
|
|
+#define AR_PHY_65NM_CH0_TXRF3_CAPDIV2G 0x0000001e
|
|
+#define AR_PHY_65NM_CH0_TXRF3_CAPDIV2G_S 1
|
|
+
|
|
#define AR_PHY_65NM_CH0_SYNTH4 0x1608c
|
|
#define AR_PHY_SYNTH4_LONG_SHIFT_SELECT (AR_SREV_9462(ah) ? 0x00000001 : 0x00000002)
|
|
#define AR_PHY_SYNTH4_LONG_SHIFT_SELECT_S (AR_SREV_9462(ah) ? 0 : 1)
|
|
--- a/drivers/net/wireless/ath/ath9k/link.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/link.c
|
|
@@ -254,6 +254,7 @@ void ath_paprd_calibrate(struct work_str
|
|
int chain_ok = 0;
|
|
int chain;
|
|
int len = 1800;
|
|
+ int ret;
|
|
|
|
if (!caldata)
|
|
return;
|
|
@@ -302,7 +303,13 @@ void ath_paprd_calibrate(struct work_str
|
|
break;
|
|
}
|
|
|
|
- if (ar9003_paprd_create_curve(ah, caldata, chain)) {
|
|
+ ret = ar9003_paprd_create_curve(ah, caldata, chain);
|
|
+ if (ret == -EINPROGRESS) {
|
|
+ ath_dbg(common, CALIBRATE,
|
|
+ "PAPRD curve on chain %d needs to be re-trained\n",
|
|
+ chain);
|
|
+ break;
|
|
+ } else if (ret) {
|
|
ath_dbg(common, CALIBRATE,
|
|
"PAPRD create curve failed on chain %d\n",
|
|
chain);
|