--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -32,7 +32,8 @@ ath9k_hw-y:= \
mac.o \
ar9002_mac.o \
ar9003_mac.o \
- ar9003_eeprom.o
+ ar9003_eeprom.o \
+ ar9003_paprd.o
obj-$(CONFIG_ATH9K_HW) += ath9k_hw.o
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -67,6 +67,7 @@ static const struct ar9300_eeprom ar9300
* bit2 - enable fastClock - enabled
* bit3 - enable doubling - enabled
* bit4 - enable internal regulator - disabled
+ * bit5 - enable pa predistortion - disabled
*/
.miscConfiguration = 0, /* bit0 - turn down drivestrength */
.eepromWriteEnableGpio = 3,
@@ -129,9 +130,11 @@ static const struct ar9300_eeprom ar9300
.txEndToRxOn = 0x2,
.txFrameToXpaOn = 0xe,
.thresh62 = 28,
- .futureModal = { /* [32] */
+ .papdRateMaskHt20 = LE32(0x80c080),
+ .papdRateMaskHt40 = LE32(0x80c080),
+ .futureModal = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0
},
},
.calFreqPier2G = {
@@ -326,9 +329,11 @@ static const struct ar9300_eeprom ar9300
.txEndToRxOn = 0x2,
.txFrameToXpaOn = 0xe,
.thresh62 = 28,
+ .papdRateMaskHt20 = LE32(0xf0e0e0),
+ .papdRateMaskHt40 = LE32(0xf0e0e0),
.futureModal = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0
},
},
.calFreqPier5G = {
@@ -644,6 +649,8 @@ static u32 ath9k_hw_ar9300_get_eeprom(st
return (pBase->featureEnable & 0x10) >> 4;
case EEP_SWREG:
return le32_to_cpu(pBase->swreg);
+ case EEP_PAPRD:
+ return !!(pBase->featureEnable & BIT(5));
default:
return 0;
}
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -234,7 +234,9 @@ struct ar9300_modal_eep_header {
u8 txEndToRxOn;
u8 txFrameToXpaOn;
u8 thresh62;
- u8 futureModal[32];
+ __le32 papdRateMaskHt20;
+ __le32 papdRateMaskHt40;
+ u8 futureModal[24];
} __packed;
struct ar9300_cal_data_per_freq_op_loop {
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -470,6 +470,14 @@ static void ar9003_hw_set11n_virtualmore
ads->ctl11 &= ~AR_VirtMoreFrag;
}
+void ar9003_hw_set_paprd_txdesc(struct ath_hw *ah, void *ds, u8 chains)
+{
+ struct ar9003_txc *ads = ds;
+
+ ads->ctl12 |= SM(chains, AR_PAPRDChainMask);
+}
+EXPORT_SYMBOL(ar9003_hw_set_paprd_txdesc);
+
void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
{
struct ath_hw_ops *ops = ath9k_hw_ops(hw);
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.h
@@ -40,6 +40,10 @@
#define AR_Not_Sounding 0x20000000
+/* ctl 12 */
+#define AR_PAPRDChainMask 0x00000e00
+#define AR_PAPRDChainMask_S 9
+
#define MAP_ISR_S2_CST 6
#define MAP_ISR_S2_GTT 6
#define MAP_ISR_S2_TIM 3
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -0,0 +1,713 @@
+/*
+ * Copyright (c) 2010 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "hw.h"
+#include "ar9003_phy.h"
+
+void ar9003_paprd_enable(struct ath_hw *ah, bool val)
+{
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B0,
+ AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B1,
+ AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B2,
+ AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE, !!val);
+}
+EXPORT_SYMBOL(ar9003_paprd_enable);
+
+static void ar9003_paprd_setup_single_table(struct ath_hw *ah)
+{
+ struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
+ struct ar9300_modal_eep_header *hdr;
+ const u32 ctrl0[3] = {
+ AR_PHY_PAPRD_CTRL0_B0,
+ AR_PHY_PAPRD_CTRL0_B1,
+ AR_PHY_PAPRD_CTRL0_B2
+ };
+ const u32 ctrl1[3] = {
+ AR_PHY_PAPRD_CTRL1_B0,
+ AR_PHY_PAPRD_CTRL1_B1,
+ AR_PHY_PAPRD_CTRL1_B2
+ };
+ u32 am_mask, ht40_mask;
+ int i;
+
+ if (ah->curchan && IS_CHAN_5GHZ(ah->curchan))
+ hdr = &eep->modalHeader5G;
+ else
+ hdr = &eep->modalHeader2G;
+
+ am_mask = le32_to_cpu(hdr->papdRateMaskHt20);
+ ht40_mask = le32_to_cpu(hdr->papdRateMaskHt40);
+
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_AM2AM, AR_PHY_PAPRD_AM2AM_MASK, am_mask);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_AM2PM, AR_PHY_PAPRD_AM2PM_MASK, am_mask);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_HT40, AR_PHY_PAPRD_HT40_MASK, ht40_mask);
+
+ for (i = 0; i < 3; i++) {
+ REG_RMW_FIELD(ah, ctrl0[i],
+ AR_PHY_PAPRD_CTRL0_USE_SINGLE_TABLE_MASK, 1);
+ REG_RMW_FIELD(ah, ctrl1[i],
+ AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2PM_ENABLE, 1);
+ REG_RMW_FIELD(ah, ctrl1[i],
+ AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2AM_ENABLE, 1);
+ REG_RMW_FIELD(ah, ctrl1[i],
+ AR_PHY_PAPRD_CTRL1_ADAPTIVE_SCALING_ENA, 0);
+ REG_RMW_FIELD(ah, ctrl1[i],
+ AR_PHY_PAPRD_CTRL1_PA_GAIN_SCALE_FACT_MASK, 181);
+ REG_RMW_FIELD(ah, ctrl1[i],
+ AR_PHY_PAPRD_CTRL1_PAPRD_MAG_SCALE_FACT, 361);
+ REG_RMW_FIELD(ah, ctrl1[i],
+ AR_PHY_PAPRD_CTRL1_ADAPTIVE_SCALING_ENA, 0);
+ REG_RMW_FIELD(ah, ctrl0[i],
+ AR_PHY_PAPRD_CTRL0_PAPRD_MAG_THRSH, 3);
+ }
+
+ ar9003_paprd_enable(ah, false);
+
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
+ AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_LB_SKIP, 0x30);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
+ AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_LB_ENABLE, 1);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
+ AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_TX_GAIN_FORCE, 1);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
+ AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_RX_BB_GAIN_FORCE, 0);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
+ AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_IQCORR_ENABLE, 0);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
+ AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_AGC2_SETTLING, 28);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL1,
+ AR_PHY_PAPRD_TRAINER_CNTL1_CF_CF_PAPRD_TRAIN_ENABLE, 1);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL2,
+ AR_PHY_PAPRD_TRAINER_CNTL2_CF_PAPRD_INIT_RX_BB_GAIN, 147);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_FINE_CORR_LEN, 4);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_COARSE_CORR_LEN, 4);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_NUM_CORR_STAGES, 7);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_MIN_LOOPBACK_DEL, 1);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP, -6);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_ADC_DESIRED_SIZE,
+ -15);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3,
+ AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_BBTXMIX_DISABLE, 1);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL4,
+ AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_SAFETY_DELTA, 0);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL4,
+ AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_MIN_CORR, 400);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL4,
+ AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_NUM_TRAIN_SAMPLES,
+ 100);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_0_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 261376);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_1_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 248079);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_2_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 233759);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_3_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 220464);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_4_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 208194);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_5_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 196949);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_6_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 185706);
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_PRE_POST_SCALE_7_B0,
+ AR_PHY_PAPRD_PRE_POST_SCALING, 175487);
+}
+
+static void ar9003_paprd_get_gain_table(struct ath_hw *ah)
+{
+ u32 *entry = ah->paprd_gain_table_entries;
+ u8 *index = ah->paprd_gain_table_index;
+ u32 reg = AR_PHY_TXGAIN_TABLE;
+ int i;
+
+ memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
+ memset(index, 0, sizeof(ah->paprd_gain_table_index));
+
+ for (i = 0; i < 32; i++) {
+ entry[i] = REG_READ(ah, reg);
+ index[i] = (entry[i] >> 24) & 0xff;
+ reg += 4;
+ }
+}
+
+static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
+ int target_power)
+{
+ int olpc_gain_delta = 0;
+ int alpha_therm, alpha_volt;
+ int therm_cal_value, volt_cal_value;
+ int therm_value, volt_value;
+ int thermal_gain_corr, voltage_gain_corr;
+ int desired_scale, desired_gain = 0;
+ u32 reg;
+
+ REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
+ AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
+ desired_scale = REG_READ_FIELD(ah, AR_PHY_TPC_12,
+ AR_PHY_TPC_12_DESIRED_SCALE_HT40_5);
+ alpha_therm = REG_READ_FIELD(ah, AR_PHY_TPC_19,
+ AR_PHY_TPC_19_ALPHA_THERM);
+ alpha_volt = REG_READ_FIELD(ah, AR_PHY_TPC_19,
+ AR_PHY_TPC_19_ALPHA_VOLT);
+ therm_cal_value = REG_READ_FIELD(ah, AR_PHY_TPC_18,
+ AR_PHY_TPC_18_THERM_CAL_VALUE);
+ volt_cal_value = REG_READ_FIELD(ah, AR_PHY_TPC_18,
+ AR_PHY_TPC_18_VOLT_CAL_VALUE);
+ therm_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
+ AR_PHY_BB_THERM_ADC_4_LATEST_THERM_VALUE);
+ volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
+ AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
+
+ if (chain == 0)
+ reg = AR_PHY_TPC_11_B0;
+ else if (chain == 1)
+ reg = AR_PHY_TPC_11_B1;
+ else
+ reg = AR_PHY_TPC_11_B2;
+
+ olpc_gain_delta = REG_READ_FIELD(ah, reg,
+ AR_PHY_TPC_11_OLPC_GAIN_DELTA);
+
+ if (olpc_gain_delta >= 128)
+ olpc_gain_delta = olpc_gain_delta - 256;
+
+ thermal_gain_corr = (alpha_therm * (therm_value - therm_cal_value) +
+ (256 / 2)) / 256;
+ voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
+ (128 / 2)) / 128;
+ desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
+ voltage_gain_corr + desired_scale;
+
+ return desired_gain;
+}
+
+static void ar9003_tx_force_gain(struct ath_hw *ah, unsigned int gain_index)
+{
+ int selected_gain_entry, txbb1dbgain, txbb6dbgain, txmxrgain;
+ int padrvgnA, padrvgnB, padrvgnC, padrvgnD;
+ u32 *gain_table_entries = ah->paprd_gain_table_entries;
+
+ selected_gain_entry = gain_table_entries[gain_index];
+ txbb1dbgain = selected_gain_entry & 0x7;
+ txbb6dbgain = (selected_gain_entry >> 3) & 0x3;
+ txmxrgain = (selected_gain_entry >> 5) & 0xf;
+ padrvgnA = (selected_gain_entry >> 9) & 0xf;
+ padrvgnB = (selected_gain_entry >> 13) & 0xf;
+ padrvgnC = (selected_gain_entry >> 17) & 0xf;
+ padrvgnD = (selected_gain_entry >> 21) & 0x3;
+
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_TXBB1DBGAIN, txbb1dbgain);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_TXBB6DBGAIN, txbb6dbgain);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_TXMXRGAIN, txmxrgain);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNA, padrvgnA);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNB, padrvgnB);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNC, padrvgnC);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGND, padrvgnD);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCED_ENABLE_PAL, 0);
+ REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN,
+ AR_PHY_TX_FORCED_GAIN_FORCE_TX_GAIN, 0);
+ REG_RMW_FIELD(ah, AR_PHY_TPC_1, AR_PHY_TPC_1_FORCED_DAC_GAIN, 0);
+ REG_RMW_FIELD(ah, AR_PHY_TPC_1, AR_PHY_TPC_1_FORCE_DAC_GAIN, 0);
+}
+
+static inline int find_expn(int num)
+{
+ return fls(num) - 1;
+}
+
+static inline int find_proper_scale(int expn, int N)
+{
+ return (expn > N) ? expn - 10 : 0;
+}
+
+#define NUM_BIN 23
+
+static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain)
+{
+ unsigned int thresh_accum_cnt;
+ int x_est[NUM_BIN + 1], Y[NUM_BIN + 1], theta[NUM_BIN + 1];
+ int PA_in[NUM_BIN + 1];
+ int B1_tmp[NUM_BIN + 1], B2_tmp[NUM_BIN + 1];
+ unsigned int B1_abs_max, B2_abs_max;
+ int max_index, scale_factor;
+ int y_est[NUM_BIN + 1];
+ int x_est_fxp1_nonlin, x_tilde[NUM_BIN + 1];
+ unsigned int x_tilde_abs;
+ int G_fxp, Y_intercept, order_x_by_y, M, I, L, sum_y_sqr, sum_y_quad;
+ int Q_x, Q_B1, Q_B2, beta_raw, alpha_raw, scale_B;
+ int Q_scale_B, Q_beta, Q_alpha, alpha, beta, order_1, order_2;
+ int order1_5x, order2_3x, order1_5x_rem, order2_3x_rem;
+ int y5, y3, tmp;
+ int theta_low_bin = 0;
+ int i;
+
+ /* disregard any bin that contains <= 16 samples */
+ thresh_accum_cnt = 16;
+ scale_factor = 5;
+ max_index = 0;
+ memset(theta, 0, sizeof(theta));
+ memset(x_est, 0, sizeof(x_est));
+ memset(Y, 0, sizeof(Y));
+ memset(y_est, 0, sizeof(y_est));
+ memset(x_tilde, 0, sizeof(x_tilde));
+
+ for (i = 0; i < NUM_BIN; i++) {
+ s32 accum_cnt, accum_tx, accum_rx, accum_ang;
+
+ /* number of samples */
+ accum_cnt = data_L[i] & 0xffff;
+
+ if (accum_cnt <= thresh_accum_cnt)
+ continue;
+
+ /* sum(tx amplitude) */
+ accum_tx = ((data_L[i] >> 16) & 0xffff) |
+ ((data_U[i] & 0x7ff) << 16);
+
+ /* sum(rx amplitude distance to lower bin edge) */
+ accum_rx = ((data_U[i] >> 11) & 0x1f) |
+ ((data_L[i + 23] & 0xffff) << 5);
+
+ /* sum(angles) */
+ accum_ang = ((data_L[i + 23] >> 16) & 0xffff) |
+ ((data_U[i + 23] & 0x7ff) << 16);
+
+ accum_tx <<= scale_factor;
+ accum_rx <<= scale_factor;
+ x_est[i + 1] = (((accum_tx + accum_cnt) / accum_cnt) + 32) >>
+ scale_factor;
+
+ Y[i + 1] = ((((accum_rx + accum_cnt) / accum_cnt) + 32) >>
+ scale_factor) + (1 << scale_factor) * max_index + 16;
+
+ if (accum_ang >= (1 << 26))
+ accum_ang -= 1 << 27;
+
+ theta[i + 1] = ((accum_ang * (1 << scale_factor)) + accum_cnt) /
+ accum_cnt;
+
+ max_index++;
+ }
+
+ /*
+ * Find average theta of first 5 bin and all of those to same value.
+ * Curve is linear at that range.
+ */
+ for (i = 1; i < 6; i++)
+ theta_low_bin += theta[i];
+
+ theta_low_bin = theta_low_bin / 5;
+ for (i = 1; i < 6; i++)
+ theta[i] = theta_low_bin;
+
+ /* Set values at origin */
+ theta[0] = theta_low_bin;
+ for (i = 0; i <= max_index; i++)
+ theta[i] -= theta_low_bin;
+
+ x_est[0] = 0;
+ Y[0] = 0;
+ scale_factor = 8;
+
+ /* low signal gain */
+ if (x_est[6] == x_est[3])
+ return false;
+
+ G_fxp =
+ (((Y[6] - Y[3]) * 1 << scale_factor) +
+ (x_est[6] - x_est[3])) / (x_est[6] - x_est[3]);
+
+ Y_intercept =
+ (G_fxp * (x_est[0] - x_est[3]) +
+ (1 << scale_factor)) / (1 << scale_factor) + Y[3];
+
+ for (i = 0; i <= max_index; i++)
+ y_est[i] = Y[i] - Y_intercept;
+
+ for (i = 0; i <= 3; i++) {
+ y_est[i] = i * 32;
+
+ /* prevent division by zero */
+ if (G_fxp == 0)
+ return false;
+
+ x_est[i] = ((y_est[i] * 1 << scale_factor) + G_fxp) / G_fxp;
+ }
+
+ x_est_fxp1_nonlin =
+ x_est[max_index] - ((1 << scale_factor) * y_est[max_index] +
+ G_fxp) / G_fxp;
+
+ order_x_by_y =
+ (x_est_fxp1_nonlin + y_est[max_index]) / y_est[max_index];
+
+ if (order_x_by_y == 0)
+ M = 10;
+ else if (order_x_by_y == 1)
+ M = 9;
+ else
+ M = 8;
+
+ I = (max_index > 15) ? 7 : max_index >> 1;
+ L = max_index - I;
+ scale_factor = 8;
+ sum_y_sqr = 0;
+ sum_y_quad = 0;
+ x_tilde_abs = 0;
+
+ for (i = 0; i <= L; i++) {
+ unsigned int y_sqr;
+ unsigned int y_quad;
+ unsigned int tmp_abs;
+
+ /* prevent division by zero */
+ if (y_est[i + I] == 0)
+ return false;
+
+ x_est_fxp1_nonlin =
+ x_est[i + I] - ((1 << scale_factor) * y_est[i + I] +
+ G_fxp) / G_fxp;
+
+ x_tilde[i] =
+ (x_est_fxp1_nonlin * (1 << M) + y_est[i + I]) / y_est[i +
+ I];
+ x_tilde[i] =
+ (x_tilde[i] * (1 << M) + y_est[i + I]) / y_est[i + I];
+ x_tilde[i] =
+ (x_tilde[i] * (1 << M) + y_est[i + I]) / y_est[i + I];
+ y_sqr =
+ (y_est[i + I] * y_est[i + I] +
+ (scale_factor * scale_factor)) / (scale_factor *
+ scale_factor);
+ tmp_abs = abs(x_tilde[i]);
+ if (tmp_abs > x_tilde_abs)
+ x_tilde_abs = tmp_abs;
+
+ y_quad = y_sqr * y_sqr;
+ sum_y_sqr = sum_y_sqr + y_sqr;
+ sum_y_quad = sum_y_quad + y_quad;
+ B1_tmp[i] = y_sqr * (L + 1);
+ B2_tmp[i] = y_sqr;
+ }
+
+ B1_abs_max = 0;
+ B2_abs_max = 0;
+ for (i = 0; i <= L; i++) {
+ int abs_val;
+
+ B1_tmp[i] -= sum_y_sqr;
+ B2_tmp[i] = sum_y_quad - sum_y_sqr * B2_tmp[i];
+
+ abs_val = abs(B1_tmp[i]);
+ if (abs_val > B1_abs_max)
+ B1_abs_max = abs_val;
+
+ abs_val = abs(B2_tmp[i]);
+ if (abs_val > B2_abs_max)
+ B2_abs_max = abs_val;
+ }
+
+ Q_x = find_proper_scale(find_expn(x_tilde_abs), 10);
+ Q_B1 = find_proper_scale(find_expn(B1_abs_max), 10);
+ Q_B2 = find_proper_scale(find_expn(B2_abs_max), 10);
+
+ beta_raw = 0;
+ alpha_raw = 0;
+ for (i = 0; i <= L; i++) {
+ x_tilde[i] = x_tilde[i] / (1 << Q_x);
+ B1_tmp[i] = B1_tmp[i] / (1 << Q_B1);
+ B2_tmp[i] = B2_tmp[i] / (1 << Q_B2);
+ beta_raw = beta_raw + B1_tmp[i] * x_tilde[i];
+ alpha_raw = alpha_raw + B2_tmp[i] * x_tilde[i];
+ }
+
+ scale_B =
+ ((sum_y_quad / scale_factor) * (L + 1) -
+ (sum_y_sqr / scale_factor) * sum_y_sqr) * scale_factor;
+
+ Q_scale_B = find_proper_scale(find_expn(abs(scale_B)), 10);
+ scale_B = scale_B / (1 << Q_scale_B);
+ Q_beta = find_proper_scale(find_expn(abs(beta_raw)), 10);
+ Q_alpha = find_proper_scale(find_expn(abs(alpha_raw)), 10);
+ beta_raw = beta_raw / (1 << Q_beta);
+ alpha_raw = alpha_raw / (1 << Q_alpha);
+ alpha = (alpha_raw << 10) / scale_B;
+ beta = (beta_raw << 10) / scale_B;
+ order_1 = 3 * M - Q_x - Q_B1 - Q_beta + 10 + Q_scale_B;
+ order_2 = 3 * M - Q_x - Q_B2 - Q_alpha + 10 + Q_scale_B;
+ order1_5x = order_1 / 5;
+ order2_3x = order_2 / 3;
+ order1_5x_rem = order_1 - 5 * order1_5x;
+ order2_3x_rem = order_2 - 3 * order2_3x;
+
+ for (i = 0; i < PAPRD_TABLE_SZ; i++) {
+ tmp = i * 32;
+ y5 = ((beta * tmp) >> 6) >> order1_5x;
+ y5 = (y5 * tmp) >> order1_5x;
+ y5 = (y5 * tmp) >> order1_5x;
+ y5 = (y5 * tmp) >> order1_5x;
+ y5 = (y5 * tmp) >> order1_5x;
+ y5 = y5 >> order1_5x_rem;
+ y3 = (alpha * tmp) >> order2_3x;
+ y3 = (y3 * tmp) >> order2_3x;
+ y3 = (y3 * tmp) >> order2_3x;
+ y3 = y3 >> order2_3x_rem;
+ PA_in[i] = y5 + y3 + (256 * tmp) / G_fxp;
+
+ if (i >= 2) {
+ tmp = PA_in[i] - PA_in[i - 1];
+ if (tmp < 0)
+ PA_in[i] =
+ PA_in[i - 1] + (PA_in[i - 1] -
+ PA_in[i - 2]);
+ }
+
+ PA_in[i] = (PA_in[i] < 1400) ? PA_in[i] : 1400;
+ }
+
+ beta_raw = 0;
+ alpha_raw = 0;
+
+ for (i = 0; i <= L; i++) {
+ int theta_tilde =
+ ((theta[i + I] << M) + y_est[i + I]) / y_est[i + I];
+ theta_tilde =
+ ((theta_tilde << M) + y_est[i + I]) / y_est[i + I];
+ theta_tilde =
+ ((theta_tilde << M) + y_est[i + I]) / y_est[i + I];
+ beta_raw = beta_raw + B1_tmp[i] * theta_tilde;
+ alpha_raw = alpha_raw + B2_tmp[i] * theta_tilde;
+ }
+
+ Q_beta = find_proper_scale(find_expn(abs(beta_raw)), 10);
+ Q_alpha = find_proper_scale(find_expn(abs(alpha_raw)), 10);
+ beta_raw = beta_raw / (1 << Q_beta);
+ alpha_raw = alpha_raw / (1 << Q_alpha);
+
+ alpha = (alpha_raw << 10) / scale_B;
+ beta = (beta_raw << 10) / scale_B;
+ order_1 = 3 * M - Q_x - Q_B1 - Q_beta + 10 + Q_scale_B + 5;
+ order_2 = 3 * M - Q_x - Q_B2 - Q_alpha + 10 + Q_scale_B + 5;
+ order1_5x = order_1 / 5;
+ order2_3x = order_2 / 3;
+ order1_5x_rem = order_1 - 5 * order1_5x;
+ order2_3x_rem = order_2 - 3 * order2_3x;
+
+ for (i = 0; i < PAPRD_TABLE_SZ; i++) {
+ int PA_angle;
+
+ /* pa_table[4] is calculated from PA_angle for i=5 */
+ if (i == 4)
+ continue;
+
+ tmp = i * 32;
+ if (beta > 0)
+ y5 = (((beta * tmp - 64) >> 6) -
+ (1 << order1_5x)) / (1 << order1_5x);
+ else
+ y5 = ((((beta * tmp - 64) >> 6) +
+ (1 << order1_5x)) / (1 << order1_5x));
+
+ y5 = (y5 * tmp) / (1 << order1_5x);
+ y5 = (y5 * tmp) / (1 << order1_5x);
+ y5 = (y5 * tmp) / (1 << order1_5x);
+ y5 = (y5 * tmp) / (1 << order1_5x);
+ y5 = y5 / (1 << order1_5x_rem);
+
+ if (beta > 0)
+ y3 = (alpha * tmp -
+ (1 << order2_3x)) / (1 << order2_3x);
+ else
+ y3 = (alpha * tmp +
+ (1 << order2_3x)) / (1 << order2_3x);
+ y3 = (y3 * tmp) / (1 << order2_3x);
+ y3 = (y3 * tmp) / (1 << order2_3x);
+ y3 = y3 / (1 << order2_3x_rem);
+
+ if (i < 4) {
+ PA_angle = 0;
+ } else {
+ PA_angle = y5 + y3;
+ if (PA_angle < -150)
+ PA_angle = -150;
+ else if (PA_angle > 150)
+ PA_angle = 150;
+ }
+
+ pa_table[i] = ((PA_in[i] & 0x7ff) << 11) + (PA_angle & 0x7ff);
+ if (i == 5) {
+ PA_angle = (PA_angle + 2) >> 1;
+ pa_table[i - 1] = ((PA_in[i - 1] & 0x7ff) << 11) +
+ (PA_angle & 0x7ff);
+ }
+ }
+
+ *gain = G_fxp;
+ return true;
+}
+
+void ar9003_paprd_populate_single_table(struct ath_hw *ah,
+ struct ath9k_channel *chan, int chain)
+{
+ u32 *paprd_table_val = chan->pa_table[chain];
+ u32 small_signal_gain = chan->small_signal_gain[chain];
+ u32 training_power;
+ u32 reg = 0;
+ int i;
+
+ training_power =
+ REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5,
+ AR_PHY_POWERTX_RATE5_POWERTXHT20_0);
+ training_power -= 4;
+
+ if (chain == 0)
+ reg = AR_PHY_PAPRD_MEM_TAB_B0;
+ else if (chain == 1)
+ reg = AR_PHY_PAPRD_MEM_TAB_B1;
+ else if (chain == 2)
+ reg = AR_PHY_PAPRD_MEM_TAB_B2;
+
+ for (i = 0; i < PAPRD_TABLE_SZ; i++) {
+ REG_WRITE(ah, reg, paprd_table_val[i]);
+ reg = reg + 4;
+ }
+
+ if (chain == 0)
+ reg = AR_PHY_PA_GAIN123_B0;
+ else if (chain == 1)
+ reg = AR_PHY_PA_GAIN123_B1;
+ else
+ reg = AR_PHY_PA_GAIN123_B2;
+
+ REG_RMW_FIELD(ah, reg, AR_PHY_PA_GAIN123_PA_GAIN1, small_signal_gain);
+
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL1_B0,
+ AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL,
+ training_power);
+
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL1_B1,
+ AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL,
+ training_power);
+
+ REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL1_B2,
+ AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL,
+ training_power);
+}
+EXPORT_SYMBOL(ar9003_paprd_populate_single_table);
+
+int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
+{
+
+ unsigned int i, desired_gain, gain_index;
+ unsigned int train_power;
+
+ train_power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5,
+ AR_PHY_POWERTX_RATE5_POWERTXHT20_0);
+
+ train_power = train_power - 4;
+
+ desired_gain = ar9003_get_desired_gain(ah, chain, train_power);
+
+ gain_index = 0;
+ for (i = 0; i < 32; i++) {
+ if (ah->paprd_gain_table_index[i] >= desired_gain)
+ break;
+ gain_index++;
+ }
+
+ ar9003_tx_force_gain(ah, gain_index);
+
+ REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
+ AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
+
+ return 0;
+}
+EXPORT_SYMBOL(ar9003_paprd_setup_gain_table);
+
+int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
+ int chain)
+{
+ u16 *small_signal_gain = &chan->small_signal_gain[chain];
+ u32 *pa_table = chan->pa_table[chain];
+ u32 *data_L, *data_U;
+ int i, status = 0;
+ u32 *buf;
+ u32 reg;
+
+ memset(chan->pa_table[chain], 0, sizeof(chan->pa_table[chain]));
+
+ buf = kmalloc(2 * 48 * sizeof(u32), GFP_ATOMIC);
+ if (!buf)
+ return -ENOMEM;
+
+ data_L = &buf[0];
+ data_U = &buf[48];
+
+ REG_CLR_BIT(ah, AR_PHY_CHAN_INFO_MEMORY,
+ AR_PHY_CHAN_INFO_MEMORY_CHANINFOMEM_S2_READ);
+
+ reg = AR_PHY_CHAN_INFO_TAB_0;
+ for (i = 0; i < 48; i++)
+ data_L[i] = REG_READ(ah, reg + (i << 2));
+
+ REG_SET_BIT(ah, AR_PHY_CHAN_INFO_MEMORY,
+ AR_PHY_CHAN_INFO_MEMORY_CHANINFOMEM_S2_READ);
+
+ for (i = 0; i < 48; i++)
+ data_U[i] = REG_READ(ah, reg + (i << 2));
+
+ if (!create_pa_curve(data_L, data_U, pa_table, small_signal_gain))
+ status = -2;
+
+ REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
+ AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
+
+ kfree(buf);
+
+ return status;
+}
+EXPORT_SYMBOL(ar9003_paprd_create_curve);
+
+int ar9003_paprd_init_table(struct ath_hw *ah)
+{
+ ar9003_paprd_setup_single_table(ah);
+ ar9003_paprd_get_gain_table(ah);
+ return 0;
+}
+EXPORT_SYMBOL(ar9003_paprd_init_table);
+
+bool ar9003_paprd_is_done(struct ath_hw *ah)
+{
+ return !!REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
+ AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
+}
+EXPORT_SYMBOL(ar9003_paprd_is_done);
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -451,7 +451,11 @@
#define AR_PHY_TSTDAC (AR_SM_BASE + 0x168)
#define AR_PHY_CHAN_STATUS (AR_SM_BASE + 0x16c)
-#define AR_PHY_CHAN_INFO_MEMORY (AR_SM_BASE + 0x170)
+
+#define AR_PHY_CHAN_INFO_MEMORY (AR_SM_BASE + 0x170)
+#define AR_PHY_CHAN_INFO_MEMORY_CHANINFOMEM_S2_READ 0x00000008
+#define AR_PHY_CHAN_INFO_MEMORY_CHANINFOMEM_S2_READ_S 3
+
#define AR_PHY_CHNINFO_NOISEPWR (AR_SM_BASE + 0x174)
#define AR_PHY_CHNINFO_GAINDIFF (AR_SM_BASE + 0x178)
#define AR_PHY_CHNINFO_FINETIM (AR_SM_BASE + 0x17c)
@@ -467,17 +471,63 @@
#define AR_PHY_PWRTX_MAX (AR_SM_BASE + 0x1f0)
#define AR_PHY_POWER_TX_SUB (AR_SM_BASE + 0x1f4)
-#define AR_PHY_TPC_4_B0 (AR_SM_BASE + 0x204)
-#define AR_PHY_TPC_5_B0 (AR_SM_BASE + 0x208)
-#define AR_PHY_TPC_6_B0 (AR_SM_BASE + 0x20c)
-#define AR_PHY_TPC_11_B0 (AR_SM_BASE + 0x220)
-#define AR_PHY_TPC_18 (AR_SM_BASE + 0x23c)
-#define AR_PHY_TPC_19 (AR_SM_BASE + 0x240)
+#define AR_PHY_TPC_1 (AR_SM_BASE + 0x1f8)
+#define AR_PHY_TPC_1_FORCED_DAC_GAIN 0x0000003e
+#define AR_PHY_TPC_1_FORCED_DAC_GAIN_S 1
+#define AR_PHY_TPC_1_FORCE_DAC_GAIN 0x00000001
+#define AR_PHY_TPC_1_FORCE_DAC_GAIN_S 0
+
+#define AR_PHY_TPC_4_B0 (AR_SM_BASE + 0x204)
+#define AR_PHY_TPC_5_B0 (AR_SM_BASE + 0x208)
+#define AR_PHY_TPC_6_B0 (AR_SM_BASE + 0x20c)
+
+#define AR_PHY_TPC_11_B0 (AR_SM_BASE + 0x220)
+#define AR_PHY_TPC_11_B1 (AR_SM1_BASE + 0x220)
+#define AR_PHY_TPC_11_B2 (AR_SM2_BASE + 0x220)
+#define AR_PHY_TPC_11_OLPC_GAIN_DELTA 0x00ff0000
+#define AR_PHY_TPC_11_OLPC_GAIN_DELTA_S 16
+
+#define AR_PHY_TPC_12 (AR_SM_BASE + 0x224)
+#define AR_PHY_TPC_12_DESIRED_SCALE_HT40_5 0x3e000000
+#define AR_PHY_TPC_12_DESIRED_SCALE_HT40_5_S 25
+
+#define AR_PHY_TPC_18 (AR_SM_BASE + 0x23c)
+#define AR_PHY_TPC_18_THERM_CAL_VALUE 0x000000ff
+#define AR_PHY_TPC_18_THERM_CAL_VALUE_S 0
+#define AR_PHY_TPC_18_VOLT_CAL_VALUE 0x0000ff00
+#define AR_PHY_TPC_18_VOLT_CAL_VALUE_S 8
+
+#define AR_PHY_TPC_19 (AR_SM_BASE + 0x240)
+#define AR_PHY_TPC_19_ALPHA_VOLT 0x001f0000
+#define AR_PHY_TPC_19_ALPHA_VOLT_S 16
+#define AR_PHY_TPC_19_ALPHA_THERM 0xff
+#define AR_PHY_TPC_19_ALPHA_THERM_S 0
+
+#define AR_PHY_TX_FORCED_GAIN (AR_SM_BASE + 0x258)
+#define AR_PHY_TX_FORCED_GAIN_FORCE_TX_GAIN 0x00000001
+#define AR_PHY_TX_FORCED_GAIN_FORCE_TX_GAIN_S 0
+#define AR_PHY_TX_FORCED_GAIN_FORCED_TXBB1DBGAIN 0x0000000e
+#define AR_PHY_TX_FORCED_GAIN_FORCED_TXBB1DBGAIN_S 1
+#define AR_PHY_TX_FORCED_GAIN_FORCED_TXBB6DBGAIN 0x00000030
+#define AR_PHY_TX_FORCED_GAIN_FORCED_TXBB6DBGAIN_S 4
+#define AR_PHY_TX_FORCED_GAIN_FORCED_TXMXRGAIN 0x000003c0
+#define AR_PHY_TX_FORCED_GAIN_FORCED_TXMXRGAIN_S 6
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNA 0x00003c00
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNA_S 10
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNB 0x0003c000
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNB_S 14
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNC 0x003c0000
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGNC_S 18
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGND 0x00c00000
+#define AR_PHY_TX_FORCED_GAIN_FORCED_PADRVGND_S 22
+#define AR_PHY_TX_FORCED_GAIN_FORCED_ENABLE_PAL 0x01000000
+#define AR_PHY_TX_FORCED_GAIN_FORCED_ENABLE_PAL_S 24
-#define AR_PHY_TX_FORCED_GAIN (AR_SM_BASE + 0x258)
#define AR_PHY_PDADC_TAB_0 (AR_SM_BASE + 0x280)
+#define AR_PHY_TXGAIN_TABLE (AR_SM_BASE + 0x300)
+
#define AR_PHY_TX_IQCAL_CONTROL_1 (AR_SM_BASE + 0x448)
#define AR_PHY_TX_IQCAL_START (AR_SM_BASE + 0x440)
#define AR_PHY_TX_IQCAL_STATUS_B0 (AR_SM_BASE + 0x48c)
@@ -490,7 +540,17 @@
#define AR_PHY_ONLY_WARMRESET (AR_SM_BASE + 0x5d0)
#define AR_PHY_ONLY_CTL (AR_SM_BASE + 0x5d4)
#define AR_PHY_ECO_CTRL (AR_SM_BASE + 0x5dc)
-#define AR_PHY_BB_THERM_ADC_1 (AR_SM_BASE + 0x248)
+
+#define AR_PHY_BB_THERM_ADC_1 (AR_SM_BASE + 0x248)
+#define AR_PHY_BB_THERM_ADC_1_INIT_THERM 0x000000ff
+#define AR_PHY_BB_THERM_ADC_1_INIT_THERM_S 0
+
+#define AR_PHY_BB_THERM_ADC_4 (AR_SM_BASE + 0x254)
+#define AR_PHY_BB_THERM_ADC_4_LATEST_THERM_VALUE 0x000000ff
+#define AR_PHY_BB_THERM_ADC_4_LATEST_THERM_VALUE_S 0
+#define AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE 0x0000ff00
+#define AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE_S 8
+
#define AR_PHY_65NM_CH0_SYNTH4 0x1608c
#define AR_PHY_SYNTH4_LONG_SHIFT_SELECT 0x00000002
@@ -660,17 +720,9 @@
#define AR_PHY_TX_IQCAL_CORR_COEFF_01_COEFF_TABLE 0x00003fff
#define AR_PHY_TX_IQCAL_CORR_COEFF_01_COEFF_TABLE_S 0
-#define AR_PHY_TPC_18_THERM_CAL_VALUE 0xff
-#define AR_PHY_TPC_18_THERM_CAL_VALUE_S 0
-#define AR_PHY_TPC_19_ALPHA_THERM 0xff
-#define AR_PHY_TPC_19_ALPHA_THERM_S 0
-
#define AR_PHY_65NM_CH0_RXTX4_THERM_ON 0x10000000
#define AR_PHY_65NM_CH0_RXTX4_THERM_ON_S 28
-#define AR_PHY_BB_THERM_ADC_1_INIT_THERM 0x000000ff
-#define AR_PHY_BB_THERM_ADC_1_INIT_THERM_S 0
-
/*
* Channel 1 Register Map
*/
@@ -842,6 +894,144 @@
#define AR_PHY_WATCHDOG_STATUS_CLR 0x00000008
+/*
+ * PAPRD registers
+ */
+#define AR_PHY_XPA_TIMING_CTL (AR_SM_BASE + 0x64)
+
+#define AR_PHY_PAPRD_AM2AM (AR_CHAN_BASE + 0xe4)
+#define AR_PHY_PAPRD_AM2AM_MASK 0x01ffffff
+#define AR_PHY_PAPRD_AM2AM_MASK_S 0
+
+#define AR_PHY_PAPRD_AM2PM (AR_CHAN_BASE + 0xe8)
+#define AR_PHY_PAPRD_AM2PM_MASK 0x01ffffff
+#define AR_PHY_PAPRD_AM2PM_MASK_S 0
+
+#define AR_PHY_PAPRD_HT40 (AR_CHAN_BASE + 0xec)
+#define AR_PHY_PAPRD_HT40_MASK 0x01ffffff
+#define AR_PHY_PAPRD_HT40_MASK_S 0
+
+#define AR_PHY_PAPRD_CTRL0_B0 (AR_CHAN_BASE + 0xf0)
+#define AR_PHY_PAPRD_CTRL0_B1 (AR_CHAN1_BASE + 0xf0)
+#define AR_PHY_PAPRD_CTRL0_B2 (AR_CHAN2_BASE + 0xf0)
+#define AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE 0x00000001
+#define AR_PHY_PAPRD_CTRL0_PAPRD_ENABLE_S 0
+#define AR_PHY_PAPRD_CTRL0_USE_SINGLE_TABLE_MASK 0x00000002
+#define AR_PHY_PAPRD_CTRL0_USE_SINGLE_TABLE_MASK_S 1
+#define AR_PHY_PAPRD_CTRL0_PAPRD_MAG_THRSH 0xf8000000
+#define AR_PHY_PAPRD_CTRL0_PAPRD_MAG_THRSH_S 27
+
+#define AR_PHY_PAPRD_CTRL1_B0 (AR_CHAN_BASE + 0xf4)
+#define AR_PHY_PAPRD_CTRL1_B1 (AR_CHAN1_BASE + 0xf4)
+#define AR_PHY_PAPRD_CTRL1_B2 (AR_CHAN2_BASE + 0xf4)
+#define AR_PHY_PAPRD_CTRL1_ADAPTIVE_SCALING_ENA 0x00000001
+#define AR_PHY_PAPRD_CTRL1_ADAPTIVE_SCALING_ENA_S 0
+#define AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2AM_ENABLE 0x00000002
+#define AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2AM_ENABLE_S 1
+#define AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2PM_ENABLE 0x00000004
+#define AR_PHY_PAPRD_CTRL1_ADAPTIVE_AM2PM_ENABLE_S 2
+#define AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL 0x000001f8
+#define AR_PHY_PAPRD_CTRL1_PAPRD_POWER_AT_AM2AM_CAL_S 3
+#define AR_PHY_PAPRD_CTRL1_PA_GAIN_SCALE_FACT_MASK 0x0001fe00
+#define AR_PHY_PAPRD_CTRL1_PA_GAIN_SCALE_FACT_MASK_S 9
+#define AR_PHY_PAPRD_CTRL1_PAPRD_MAG_SCALE_FACT 0x0ffe0000
+#define AR_PHY_PAPRD_CTRL1_PAPRD_MAG_SCALE_FACT_S 17
+
+#define AR_PHY_PAPRD_TRAINER_CNTL1 (AR_SM_BASE + 0x490)
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_CF_PAPRD_TRAIN_ENABLE 0x00000001
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_CF_PAPRD_TRAIN_ENABLE_S 0
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_AGC2_SETTLING 0x0000007e
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_AGC2_SETTLING_S 1
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_IQCORR_ENABLE 0x00000100
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_IQCORR_ENABLE_S 8
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_RX_BB_GAIN_FORCE 0x00000200
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_RX_BB_GAIN_FORCE_S 9
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_TX_GAIN_FORCE 0x00000400
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_TX_GAIN_FORCE_S 10
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_LB_ENABLE 0x00000800
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_LB_ENABLE_S 11
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_LB_SKIP 0x0003f000
+#define AR_PHY_PAPRD_TRAINER_CNTL1_CF_PAPRD_LB_SKIP_S 12
+
+#define AR_PHY_PAPRD_TRAINER_CNTL2 (AR_SM_BASE + 0x494)
+#define AR_PHY_PAPRD_TRAINER_CNTL2_CF_PAPRD_INIT_RX_BB_GAIN 0xFFFFFFFF
+#define AR_PHY_PAPRD_TRAINER_CNTL2_CF_PAPRD_INIT_RX_BB_GAIN_S 0
+
+#define AR_PHY_PAPRD_TRAINER_CNTL3 (AR_SM_BASE + 0x498)
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_ADC_DESIRED_SIZE 0x0000003f
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_ADC_DESIRED_SIZE_S 0
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP 0x00000fc0
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP_S 6
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_MIN_LOOPBACK_DEL 0x0001f000
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_MIN_LOOPBACK_DEL_S 12
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_NUM_CORR_STAGES 0x000e0000
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_NUM_CORR_STAGES_S 17
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_COARSE_CORR_LEN 0x00f00000
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_COARSE_CORR_LEN_S 20
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_FINE_CORR_LEN 0x0f000000
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_FINE_CORR_LEN_S 24
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_BBTXMIX_DISABLE 0x20000000
+#define AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_BBTXMIX_DISABLE_S 29
+
+#define AR_PHY_PAPRD_TRAINER_CNTL4 (AR_SM_BASE + 0x49c)
+#define AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_NUM_TRAIN_SAMPLES 0x03ff0000
+#define AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_NUM_TRAIN_SAMPLES_S 16
+#define AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_SAFETY_DELTA 0x0000f000
+#define AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_SAFETY_DELTA_S 12
+#define AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_MIN_CORR 0x00000fff
+#define AR_PHY_PAPRD_TRAINER_CNTL4_CF_PAPRD_MIN_CORR_S 0
+
+#define AR_PHY_PAPRD_PRE_POST_SCALE_0_B0 (AR_CHAN_BASE + 0x100)
+#define AR_PHY_PAPRD_PRE_POST_SCALE_1_B0 (AR_CHAN_BASE + 0x104)
+#define AR_PHY_PAPRD_PRE_POST_SCALE_2_B0 (AR_CHAN_BASE + 0x108)
+#define AR_PHY_PAPRD_PRE_POST_SCALE_3_B0 (AR_CHAN_BASE + 0x10c)
+#define AR_PHY_PAPRD_PRE_POST_SCALE_4_B0 (AR_CHAN_BASE + 0x110)
+#define AR_PHY_PAPRD_PRE_POST_SCALE_5_B0 (AR_CHAN_BASE + 0x114)
+#define AR_PHY_PAPRD_PRE_POST_SCALE_6_B0 (AR_CHAN_BASE + 0x118)
+#define AR_PHY_PAPRD_PRE_POST_SCALE_7_B0 (AR_CHAN_BASE + 0x11c)
+#define AR_PHY_PAPRD_PRE_POST_SCALING 0x3FFFF
+#define AR_PHY_PAPRD_PRE_POST_SCALING_S 0
+
+#define AR_PHY_PAPRD_TRAINER_STAT1 (AR_SM_BASE + 0x4a0)
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE 0x00000001
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE_S 0
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_INCOMPLETE 0x00000002
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_INCOMPLETE_S 1
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_CORR_ERR 0x00000004
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_CORR_ERR_S 2
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_ACTIVE 0x00000008
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_ACTIVE_S 3
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_RX_GAIN_IDX 0x000001f0
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_RX_GAIN_IDX_S 4
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_AGC2_PWR 0x0001fe00
+#define AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_AGC2_PWR_S 9
+
+#define AR_PHY_PAPRD_TRAINER_STAT2 (AR_SM_BASE + 0x4a4)
+#define AR_PHY_PAPRD_TRAINER_STAT2_PAPRD_FINE_VAL 0x0000ffff
+#define AR_PHY_PAPRD_TRAINER_STAT2_PAPRD_FINE_VAL_S 0
+#define AR_PHY_PAPRD_TRAINER_STAT2_PAPRD_COARSE_IDX 0x001f0000
+#define AR_PHY_PAPRD_TRAINER_STAT2_PAPRD_COARSE_IDX_S 16
+#define AR_PHY_PAPRD_TRAINER_STAT2_PAPRD_FINE_IDX 0x00600000
+#define AR_PHY_PAPRD_TRAINER_STAT2_PAPRD_FINE_IDX_S 21
+
+#define AR_PHY_PAPRD_TRAINER_STAT3 (AR_SM_BASE + 0x4a8)
+#define AR_PHY_PAPRD_TRAINER_STAT3_PAPRD_TRAIN_SAMPLES_CNT 0x000fffff
+#define AR_PHY_PAPRD_TRAINER_STAT3_PAPRD_TRAIN_SAMPLES_CNT_S 0
+
+#define AR_PHY_PAPRD_MEM_TAB_B0 (AR_CHAN_BASE + 0x120)
+#define AR_PHY_PAPRD_MEM_TAB_B1 (AR_CHAN1_BASE + 0x120)
+#define AR_PHY_PAPRD_MEM_TAB_B2 (AR_CHAN2_BASE + 0x120)
+
+#define AR_PHY_PA_GAIN123_B0 (AR_CHAN_BASE + 0xf8)
+#define AR_PHY_PA_GAIN123_B1 (AR_CHAN1_BASE + 0xf8)
+#define AR_PHY_PA_GAIN123_B2 (AR_CHAN2_BASE + 0xf8)
+#define AR_PHY_PA_GAIN123_PA_GAIN1 0x3FF
+#define AR_PHY_PA_GAIN123_PA_GAIN1_S 0
+
+#define AR_PHY_POWERTX_RATE5 (AR_SM_BASE + 0x1d0)
+#define AR_PHY_POWERTX_RATE5_POWERTXHT20_0 0x3F
+#define AR_PHY_POWERTX_RATE5_POWERTXHT20_0_S 0
+
void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
#endif /* AR9003_PHY_H */
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -20,6 +20,7 @@
#include <linux/etherdevice.h>
#include <linux/device.h>
#include <linux/leds.h>
+#include <linux/completion.h>
#include "debug.h"
#include "common.h"
@@ -194,6 +195,7 @@ enum ATH_AGGR_STATUS {
#define ATH_TXFIFO_DEPTH 8
struct ath_txq {
+ int axq_class;
u32 axq_qnum;
u32 *axq_link;
struct list_head axq_q;
@@ -206,7 +208,6 @@ struct ath_txq {
struct list_head txq_fifo_pending;
u8 txq_headidx;
u8 txq_tailidx;
- int pending_frames;
};
struct ath_atx_ac {
@@ -224,6 +225,7 @@ struct ath_buf_state {
int bfs_tidno;
int bfs_retries;
u8 bf_type;
+ u8 bfs_paprd;
u32 bfs_keyix;
enum ath9k_key_type bfs_keytype;
};
@@ -244,7 +246,6 @@ struct ath_buf {
struct ath_buf_state bf_state;
dma_addr_t bf_dmacontext;
struct ath_wiphy *aphy;
- struct ath_txq *txq;
};
struct ath_atx_tid {
@@ -281,6 +282,7 @@ struct ath_tx_control {
struct ath_txq *txq;
int if_id;
enum ath9k_internal_frame_type frame_type;
+ u8 paprd;
};
#define ATH_TX_ERROR 0x01
@@ -290,11 +292,12 @@ struct ath_tx_control {
struct ath_tx {
u16 seq_no;
u32 txqsetup;
- int hwq_map[ATH9K_WME_AC_VO+1];
+ int hwq_map[WME_NUM_AC];
spinlock_t txbuflock;
struct list_head txbuf;
struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
struct ath_descdma txdma;
+ int pending_frames[WME_NUM_AC];
};
struct ath_rx_edma {
@@ -421,6 +424,7 @@ int ath_beaconq_config(struct ath_softc
#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
+void ath_paprd_calibrate(struct work_struct *work);
void ath_ani_calibrate(unsigned long data);
/**********/
@@ -553,6 +557,9 @@ struct ath_softc {
spinlock_t sc_serial_rw;
spinlock_t sc_pm_lock;
struct mutex mutex;
+ struct work_struct paprd_work;
+ struct completion paprd_complete;
+ int paprd_txok;
u32 intrstatus;
u32 sc_flags; /* SC_OP_* */
@@ -613,7 +620,6 @@ struct ath_wiphy {
void ath9k_tasklet(unsigned long data);
int ath_reset(struct ath_softc *sc, bool retry_tx);
-int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
int ath_cabq_update(struct ath_softc *);
@@ -629,8 +635,6 @@ irqreturn_t ath_isr(int irq, void *dev);
int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops);
void ath9k_deinit_device(struct ath_softc *sc);
-const char *ath_mac_bb_name(u32 mac_bb_version);
-const char *ath_rf_name(u16 rf_version);
void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *ichan);
@@ -681,8 +685,6 @@ void ath9k_set_wiphy_idle(struct ath_wip
void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
-int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
-
void ath_start_rfkill_poll(struct ath_softc *sc);
extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -263,7 +263,8 @@ enum eeprom_param {
EEP_PWR_TABLE_OFFSET,
EEP_DRIVE_STRENGTH,
EEP_INTERNAL_REGULATOR,
- EEP_SWREG
+ EEP_SWREG,
+ EEP_PAPRD,
};
enum ar5416_rates {
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2246,6 +2246,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw
pCap->rx_status_len = sizeof(struct ar9003_rxs);
pCap->tx_desc_len = sizeof(struct ar9003_txc);
pCap->txs_len = sizeof(struct ar9003_txs);
+ if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD))
+ pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
} else {
pCap->tx_desc_len = sizeof(struct ath_desc);
if (AR_SREV_9280_20(ah) &&
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -158,6 +158,9 @@
#define ATH9K_HW_RX_HP_QDEPTH 16
#define ATH9K_HW_RX_LP_QDEPTH 128
+#define PAPRD_GAIN_TABLE_ENTRIES 32
+#define PAPRD_TABLE_SZ 24
+
enum ath_ini_subsys {
ATH_INI_PRE = 0,
ATH_INI_CORE,
@@ -200,6 +203,7 @@ enum ath9k_hw_caps {
ATH9K_HW_CAP_LDPC = BIT(19),
ATH9K_HW_CAP_FASTCLOCK = BIT(20),
ATH9K_HW_CAP_SGI_20 = BIT(21),
+ ATH9K_HW_CAP_PAPRD = BIT(22),
};
enum ath9k_capability_type {
@@ -359,6 +363,9 @@ struct ath9k_channel {
int8_t iCoff;
int8_t qCoff;
int16_t rawNoiseFloor;
+ bool paprd_done;
+ u16 small_signal_gain[AR9300_MAX_CHAINS];
+ u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
};
#define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
@@ -793,6 +800,9 @@ struct ath_hw {
u32 bb_watchdog_last_status;
u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */
+
+ u32 paprd_gain_table_entries[PAPRD_GAIN_TABLE_ENTRIES];
+ u8 paprd_gain_table_index[PAPRD_GAIN_TABLE_ENTRIES];
};
static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
@@ -922,6 +932,15 @@ void ar9003_hw_set_nf_limits(struct ath_
void ar9003_hw_bb_watchdog_config(struct ath_hw *ah);
void ar9003_hw_bb_watchdog_read(struct ath_hw *ah);
void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
+void ar9003_paprd_enable(struct ath_hw *ah, bool val);
+void ar9003_paprd_populate_single_table(struct ath_hw *ah,
+ struct ath9k_channel *chan, int chain);
+int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
+ int chain);
+int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
+int ar9003_paprd_init_table(struct ath_hw *ah);
+bool ar9003_paprd_is_done(struct ath_hw *ah);
+void ar9003_hw_set_paprd_txdesc(struct ath_hw *ah, void *ds, u8 chains);
/* Hardware family op attach helpers */
void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -427,7 +427,7 @@ static int ath9k_init_btcoex(struct ath_
r = ath_init_btcoex_timer(sc);
if (r)
return -1;
- qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
+ qnum = sc->tx.hwq_map[WME_AC_BE];
ath9k_hw_init_btcoex_hw(sc->sc_ah, qnum);
sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
break;
@@ -464,23 +464,23 @@ static int ath9k_init_queues(struct ath_
sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
ath_cabq_update(sc);
- if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
+ if (!ath_tx_setup(sc, WME_AC_BK)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for BK traffic\n");
goto err;
}
- if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
+ if (!ath_tx_setup(sc, WME_AC_BE)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for BE traffic\n");
goto err;
}
- if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
+ if (!ath_tx_setup(sc, WME_AC_VI)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for VI traffic\n");
goto err;
}
- if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
+ if (!ath_tx_setup(sc, WME_AC_VO)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for VO traffic\n");
goto err;
@@ -769,6 +769,7 @@ int ath9k_init_device(u16 devid, struct
goto error_world;
}
+ INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
sc->wiphy_scheduler_int = msecs_to_jiffies(500);
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -233,6 +233,104 @@ int ath_set_channel(struct ath_softc *sc
return r;
}
+static void ath_paprd_activate(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ int chain;
+
+ if (!ah->curchan->paprd_done)
+ return;
+
+ ath9k_ps_wakeup(sc);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(ah->caps.tx_chainmask & BIT(chain)))
+ continue;
+
+ ar9003_paprd_populate_single_table(ah, ah->curchan, chain);
+ }
+
+ ar9003_paprd_enable(ah, true);
+ ath9k_ps_restore(sc);
+}
+
+void ath_paprd_calibrate(struct work_struct *work)
+{
+ struct ath_softc *sc = container_of(work, struct ath_softc, paprd_work);
+ struct ieee80211_hw *hw = sc->hw;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ieee80211_hdr *hdr;
+ struct sk_buff *skb = NULL;
+ struct ieee80211_tx_info *tx_info;
+ int band = hw->conf.channel->band;
+ struct ieee80211_supported_band *sband = &sc->sbands[band];
+ struct ath_tx_control txctl;
+ int qnum, ftype;
+ int chain_ok = 0;
+ int chain;
+ int len = 1800;
+ int i;
+
+ ath9k_ps_wakeup(sc);
+ skb = alloc_skb(len, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ tx_info = IEEE80211_SKB_CB(skb);
+
+ skb_put(skb, len);
+ memset(skb->data, 0, len);
+ hdr = (struct ieee80211_hdr *)skb->data;
+ ftype = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC;
+ hdr->frame_control = cpu_to_le16(ftype);
+ hdr->duration_id = 10;
+ memcpy(hdr->addr1, hw->wiphy->perm_addr, ETH_ALEN);
+ memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);
+ memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);
+
+ memset(&txctl, 0, sizeof(txctl));
+ qnum = sc->tx.hwq_map[WME_AC_BE];
+ txctl.txq = &sc->tx.txq[qnum];
+
+ ar9003_paprd_init_table(ah);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(ah->caps.tx_chainmask & BIT(chain)))
+ continue;
+
+ chain_ok = 0;
+ memset(tx_info, 0, sizeof(*tx_info));
+ tx_info->band = band;
+
+ for (i = 0; i < 4; i++) {
+ tx_info->control.rates[i].idx = sband->n_bitrates - 1;
+ tx_info->control.rates[i].count = 6;
+ }
+
+ init_completion(&sc->paprd_complete);
+ ar9003_paprd_setup_gain_table(ah, chain);
+ txctl.paprd = BIT(chain);
+ if (ath_tx_start(hw, skb, &txctl) != 0)
+ break;
+
+ wait_for_completion(&sc->paprd_complete);
+
+ if (!ar9003_paprd_is_done(ah))
+ break;
+
+ if (ar9003_paprd_create_curve(ah, ah->curchan, chain) != 0)
+ break;
+
+ chain_ok = 1;
+ }
+ kfree_skb(skb);
+
+ if (chain_ok) {
+ ah->curchan->paprd_done = true;
+ ath_paprd_activate(sc);
+ }
+
+ ath9k_ps_restore(sc);
+}
+
/*
* This routine performs the periodic noise floor calibration function
* that is used to adjust and optimize the chip performance. This
@@ -332,6 +430,13 @@ set_timer:
cal_interval = min(cal_interval, (u32)short_cal_interval);
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
+ if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) &&
+ !(sc->sc_flags & SC_OP_SCANNING)) {
+ if (!sc->sc_ah->curchan->paprd_done)
+ ieee80211_queue_work(sc->hw, &sc->paprd_work);
+ else
+ ath_paprd_activate(sc);
+ }
}
static void ath_start_ani(struct ath_common *common)
@@ -805,25 +910,25 @@ int ath_reset(struct ath_softc *sc, bool
return r;
}
-int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
+static int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
{
int qnum;
switch (queue) {
case 0:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_VO];
+ qnum = sc->tx.hwq_map[WME_AC_VO];
break;
case 1:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_VI];
+ qnum = sc->tx.hwq_map[WME_AC_VI];
break;
case 2:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE];
+ qnum = sc->tx.hwq_map[WME_AC_BE];
break;
case 3:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BK];
+ qnum = sc->tx.hwq_map[WME_AC_BK];
break;
default:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE];
+ qnum = sc->tx.hwq_map[WME_AC_BE];
break;
}
@@ -835,16 +940,16 @@ int ath_get_mac80211_qnum(u32 queue, str
int qnum;
switch (queue) {
- case ATH9K_WME_AC_VO:
+ case WME_AC_VO:
qnum = 0;
break;
- case ATH9K_WME_AC_VI:
+ case WME_AC_VI:
qnum = 1;
break;
- case ATH9K_WME_AC_BE:
+ case WME_AC_BE:
qnum = 2;
break;
- case ATH9K_WME_AC_BK:
+ case WME_AC_BK:
qnum = 3;
break;
default:
@@ -1128,6 +1233,7 @@ static void ath9k_stop(struct ieee80211_
cancel_delayed_work_sync(&sc->ath_led_blink_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
+ cancel_work_sync(&sc->paprd_work);
if (!sc->num_sec_wiphy) {
cancel_delayed_work_sync(&sc->wiphy_work);
@@ -1556,7 +1662,7 @@ static int ath9k_conf_tx(struct ieee8021
ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)
- if ((qnum == sc->tx.hwq_map[ATH9K_WME_AC_BE]) && !ret)
+ if ((qnum == sc->tx.hwq_map[WME_AC_BE]) && !ret)
ath_beaconq_config(sc);
mutex_unlock(&sc->mutex);
@@ -1843,6 +1949,7 @@ static void ath9k_sw_scan_start(struct i
ath9k_wiphy_pause_all_forced(sc, aphy);
sc->sc_flags |= SC_OP_SCANNING;
del_timer_sync(&common->ani.timer);
+ cancel_work_sync(&sc->paprd_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
mutex_unlock(&sc->mutex);
}
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -941,6 +941,7 @@ struct ath_txq *ath_txq_setup(struct ath
if (!ATH_TXQ_SETUP(sc, qnum)) {
struct ath_txq *txq = &sc->tx.txq[qnum];
+ txq->axq_class = subtype;
txq->axq_qnum = qnum;
txq->axq_link = NULL;
INIT_LIST_HEAD(&txq->axq_q);
@@ -958,32 +959,6 @@ struct ath_txq *ath_txq_setup(struct ath
return &sc->tx.txq[qnum];
}
-int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype)
-{
- int qnum;
-
- switch (qtype) {
- case ATH9K_TX_QUEUE_DATA:
- if (haltype >= ARRAY_SIZE(sc->tx.hwq_map)) {
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "HAL AC %u out of range, max %zu!\n",
- haltype, ARRAY_SIZE(sc->tx.hwq_map));
- return -1;
- }
- qnum = sc->tx.hwq_map[haltype];
- break;
- case ATH9K_TX_QUEUE_BEACON:
- qnum = sc->beacon.beaconq;
- break;
- case ATH9K_TX_QUEUE_CAB:
- qnum = sc->beacon.cabq->axq_qnum;
- break;
- default:
- qnum = -1;
- }
- return qnum;
-}
-
int ath_txq_update(struct ath_softc *sc, int qnum,
struct ath9k_tx_queue_info *qinfo)
{
@@ -1662,12 +1637,13 @@ static int ath_tx_setup_buffer(struct ie
bf->bf_frmlen -= padsize;
}
- if (conf_is_ht(&hw->conf)) {
+ if (!txctl->paprd && conf_is_ht(&hw->conf)) {
bf->bf_state.bf_type |= BUF_HT;
if (tx_info->flags & IEEE80211_TX_CTL_LDPC)
use_ldpc = true;
}
+ bf->bf_state.bfs_paprd = txctl->paprd;
bf->bf_flags = setup_tx_flags(skb, use_ldpc);
bf->bf_keytype = get_hw_crypto_keytype(skb);
@@ -1742,6 +1718,9 @@ static void ath_tx_start_dma(struct ath_
bf->bf_buf_addr,
txctl->txq->axq_qnum);
+ if (bf->bf_state.bfs_paprd)
+ ar9003_hw_set_paprd_txdesc(ah, ds, bf->bf_state.bfs_paprd);
+
spin_lock_bh(&txctl->txq->axq_lock);
if (bf_isht(bf) && (sc->sc_flags & SC_OP_TXAGGR) &&
@@ -1785,7 +1764,7 @@ int ath_tx_start(struct ieee80211_hw *hw
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_txq *txq = txctl->txq;
struct ath_buf *bf;
- int r;
+ int q, r;
bf = ath_tx_get_buffer(sc);
if (!bf) {
@@ -1793,14 +1772,6 @@ int ath_tx_start(struct ieee80211_hw *hw
return -1;
}
- bf->txq = txctl->txq;
- spin_lock_bh(&bf->txq->axq_lock);
- if (++bf->txq->pending_frames > ATH_MAX_QDEPTH && !txq->stopped) {
- ath_mac80211_stop_queue(sc, skb_get_queue_mapping(skb));
- txq->stopped = 1;
- }
- spin_unlock_bh(&bf->txq->axq_lock);
-
r = ath_tx_setup_buffer(hw, bf, skb, txctl);
if (unlikely(r)) {
ath_print(common, ATH_DBG_FATAL, "TX mem alloc failure\n");
@@ -1821,6 +1792,17 @@ int ath_tx_start(struct ieee80211_hw *hw
return r;
}
+ q = skb_get_queue_mapping(skb);
+ if (q >= 4)
+ q = 0;
+
+ spin_lock_bh(&txq->axq_lock);
+ if (++sc->tx.pending_frames[q] > ATH_MAX_QDEPTH && !txq->stopped) {
+ ath_mac80211_stop_queue(sc, skb_get_queue_mapping(skb));
+ txq->stopped = 1;
+ }
+ spin_unlock_bh(&txq->axq_lock);
+
ath_tx_start_dma(sc, bf, txctl);
return 0;
@@ -1890,7 +1872,7 @@ static void ath_tx_complete(struct ath_s
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
- int padpos, padsize;
+ int q, padpos, padsize;
ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
@@ -1929,8 +1911,16 @@ static void ath_tx_complete(struct ath_s
if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
ath9k_tx_status(hw, skb);
- else
+ else {
+ q = skb_get_queue_mapping(skb);
+ if (q >= 4)
+ q = 0;
+
+ if (--sc->tx.pending_frames[q] < 0)
+ sc->tx.pending_frames[q] = 0;
+
ieee80211_tx_status(hw, skb);
+ }
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -1951,16 +1941,15 @@ static void ath_tx_complete_buf(struct a
tx_flags |= ATH_TX_XRETRY;
}
- if (bf->txq) {
- spin_lock_bh(&bf->txq->axq_lock);
- bf->txq->pending_frames--;
- spin_unlock_bh(&bf->txq->axq_lock);
- bf->txq = NULL;
- }
-
dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
- ath_tx_complete(sc, skb, bf->aphy, tx_flags);
- ath_debug_stat_tx(sc, txq, bf, ts);
+
+ if (bf->bf_state.bfs_paprd) {
+ sc->paprd_txok = txok;
+ complete(&sc->paprd_complete);
+ } else {
+ ath_tx_complete(sc, skb, bf->aphy, tx_flags);
+ ath_debug_stat_tx(sc, txq, bf, ts);
+ }
/*
* Return the list of ath_buf of this mpdu to free queue
@@ -2045,13 +2034,14 @@ static void ath_wake_mac80211_queue(stru
{
int qnum;
+ qnum = ath_get_mac80211_qnum(txq->axq_class, sc);
+ if (qnum == -1)
+ return;
+
spin_lock_bh(&txq->axq_lock);
- if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
- qnum = ath_get_mac80211_qnum(txq->axq_qnum, sc);
- if (qnum != -1) {
- ath_mac80211_start_queue(sc, qnum);
- txq->stopped = 0;
- }
+ if (txq->stopped && sc->tx.pending_frames[qnum] < ATH_MAX_QDEPTH) {
+ ath_mac80211_start_queue(sc, qnum);
+ txq->stopped = 0;
}
spin_unlock_bh(&txq->axq_lock);
}
@@ -2422,26 +2412,8 @@ void ath_tx_node_init(struct ath_softc *
for (acno = 0, ac = &an->ac[acno];
acno < WME_NUM_AC; acno++, ac++) {
ac->sched = false;
+ ac->qnum = sc->tx.hwq_map[acno];
INIT_LIST_HEAD(&ac->tid_q);
-
- switch (acno) {
- case WME_AC_BE:
- ac->qnum = ath_tx_get_qnum(sc,
- ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
- break;
- case WME_AC_BK:
- ac->qnum = ath_tx_get_qnum(sc,
- ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BK);
- break;
- case WME_AC_VI:
- ac->qnum = ath_tx_get_qnum(sc,
- ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_VI);
- break;
- case WME_AC_VO:
- ac->qnum = ath_tx_get_qnum(sc,
- ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_VO);
- break;
- }
}
}
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -38,8 +38,7 @@ int ath_beaconq_config(struct ath_softc
qi.tqi_cwmax = 0;
} else {
/* Adhoc mode; important thing is to use 2x cwmin. */
- qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA,
- ATH9K_WME_AC_BE);
+ qnum = sc->tx.hwq_map[WME_AC_BE];
ath9k_hw_get_txq_props(ah, qnum, &qi_be);
qi.tqi_aifs = qi_be.tqi_aifs;
qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -630,10 +630,10 @@ static const struct file_operations fops
do { \
len += snprintf(buf + len, size - len, \
"%s%13u%11u%10u%10u\n", str, \
- sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \
- sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \
- sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \
- sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \
+ sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_BE]].elem, \
+ sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_BK]].elem, \
+ sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_VI]].elem, \
+ sc->debug.stats.txstats[sc->tx.hwq_map[WME_AC_VO]].elem); \
} while(0)
static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
@@ -956,6 +956,10 @@ int ath9k_init_debug(struct ath_hw *ah)
sc->debug.debugfs_phy, sc, &fops_regval))
goto err;
+ if (!debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca))
+ goto err;
+
sc->debug.regidx = 0;
return 0;
err:
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -398,7 +398,7 @@ struct ath9k_htc_priv {
int beaconq;
int cabq;
- int hwq_map[ATH9K_WME_AC_VO+1];
+ int hwq_map[WME_NUM_AC];
#ifdef CONFIG_ATH9K_HTC_DEBUGFS
struct ath9k_debug debug;
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -227,7 +227,7 @@ void ath9k_htc_beaconq_config(struct ath
{
struct ath_hw *ah = priv->ah;
struct ath9k_tx_queue_info qi, qi_be;
- int qnum = priv->hwq_map[ATH9K_WME_AC_BE];
+ int qnum = priv->hwq_map[WME_AC_BE];
memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
memset(&qi_be, 0, sizeof(struct ath9k_tx_queue_info));
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -521,23 +521,23 @@ static int ath9k_init_queues(struct ath9
goto err;
}
- if (!ath9k_htc_txq_setup(priv, ATH9K_WME_AC_BE)) {
+ if (!ath9k_htc_txq_setup(priv, WME_AC_BE)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for BE traffic\n");
goto err;
}
- if (!ath9k_htc_txq_setup(priv, ATH9K_WME_AC_BK)) {
+ if (!ath9k_htc_txq_setup(priv, WME_AC_BK)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for BK traffic\n");
goto err;
}
- if (!ath9k_htc_txq_setup(priv, ATH9K_WME_AC_VI)) {
+ if (!ath9k_htc_txq_setup(priv, WME_AC_VI)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for VI traffic\n");
goto err;
}
- if (!ath9k_htc_txq_setup(priv, ATH9K_WME_AC_VO)) {
+ if (!ath9k_htc_txq_setup(priv, WME_AC_VO)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for VO traffic\n");
goto err;
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1590,7 +1590,7 @@ static int ath9k_htc_conf_tx(struct ieee
}
if ((priv->ah->opmode == NL80211_IFTYPE_ADHOC) &&
- (qnum == priv->hwq_map[ATH9K_WME_AC_BE]))
+ (qnum == priv->hwq_map[WME_AC_BE]))
ath9k_htc_beaconq_config(priv);
out:
ath9k_htc_ps_restore(priv);
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -34,15 +34,15 @@ int get_hw_qnum(u16 queue, int *hwq_map)
{
switch (queue) {
case 0:
- return hwq_map[ATH9K_WME_AC_VO];
+ return hwq_map[WME_AC_VO];
case 1:
- return hwq_map[ATH9K_WME_AC_VI];
+ return hwq_map[WME_AC_VI];
case 2:
- return hwq_map[ATH9K_WME_AC_BE];
+ return hwq_map[WME_AC_BE];
case 3:
- return hwq_map[ATH9K_WME_AC_BK];
+ return hwq_map[WME_AC_BK];
default:
- return hwq_map[ATH9K_WME_AC_BE];
+ return hwq_map[WME_AC_BE];
}
}
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -577,13 +577,8 @@ enum ath9k_tx_queue {
#define ATH9K_NUM_TX_QUEUES 10
-enum ath9k_tx_queue_subtype {
- ATH9K_WME_AC_BK = 0,
- ATH9K_WME_AC_BE,
- ATH9K_WME_AC_VI,
- ATH9K_WME_AC_VO,
- ATH9K_WME_UPSD
-};
+/* Used as a queue subtype instead of a WMM AC */
+#define ATH9K_WME_UPSD 4
enum ath9k_tx_queue_flags {
TXQ_FLAG_TXOKINT_ENABLE = 0x0001,
@@ -617,7 +612,7 @@ enum ath9k_pkt_type {
struct ath9k_tx_queue_info {
u32 tqi_ver;
enum ath9k_tx_queue tqi_type;
- enum ath9k_tx_queue_subtype tqi_subtype;
+ int tqi_subtype;
enum ath9k_tx_queue_flags tqi_qflags;
u32 tqi_priority;
u32 tqi_aifs;
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -219,7 +219,7 @@ static int ath9k_send_nullfunc(struct at
info->control.rates[1].idx = -1;
memset(&txctl, 0, sizeof(struct ath_tx_control));
- txctl.txq = &sc->tx.txq[sc->tx.hwq_map[ATH9K_WME_AC_VO]];
+ txctl.txq = &sc->tx.txq[sc->tx.hwq_map[WME_AC_VO]];
txctl.frame_type = ps ? ATH9K_IFT_PAUSE : ATH9K_IFT_UNPAUSE;
if (ath_tx_start(aphy->hw, skb, &txctl) != 0)