@@ -729,26 +729,42 @@ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
static void ath9k_olc_temp_compensation(struct ath_hw *ah)
{
u32 rddata, i;
- int delta, currPDADC, regval;
+ int delta, currPDADC, regval, slope;
rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
-
currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
- if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
- delta = (currPDADC - ah->initPDADC + 4) / 8;
- else
- delta = (currPDADC - ah->initPDADC + 5) / 10;
- if (delta != ah->PDADCdelta) {
- ah->PDADCdelta = delta;
- for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
- regval = ah->originalGain[i] - delta;
- if (regval < 0)
- regval = 0;
+ if (OLC_FOR_AR9287_10_LATER) {
+ if (ah->initPDADC == 0 || currPDADC == 0) {
+ return;
+ } else {
+ slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
+ if (slope == 0)
+ delta = 0;
+ else
+ delta = ((currPDADC - ah->initPDADC)*4) / slope;
+ REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11,
+ AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
+ REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11,
+ AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
+ }
+ } else {
+ if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
+ delta = (currPDADC - ah->initPDADC + 4) / 8;
+ else
+ delta = (currPDADC - ah->initPDADC + 5) / 10;
+
+ if (delta != ah->PDADCdelta) {
+ ah->PDADCdelta = delta;
+ for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
+ regval = ah->originalGain[i] - delta;
+ if (regval < 0)
+ regval = 0;
- REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4,
- AR_PHY_TX_GAIN, regval);
+ REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4,
+ AR_PHY_TX_GAIN, regval);
+ }
}
}
}
@@ -1332,11 +1332,21 @@ static void ath9k_olc_init(struct ath_hw *ah)
{
u32 i;
- for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
- ah->originalGain[i] =
- MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
- AR_PHY_TX_GAIN);
- ah->PDADCdelta = 0;
+ if (OLC_FOR_AR9287_10_LATER) {
+ REG_SET_BIT(ah, AR_PHY_TX_PWRCTRL9,
+ AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL);
+ ath9k_hw_analog_shift_rmw(ah, AR9287_AN_TXPC0,
+ AR9287_AN_TXPC0_TXPCMODE,
+ AR9287_AN_TXPC0_TXPCMODE_S,
+ AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE);
+ udelay(100);
+ } else {
+ for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
+ ah->originalGain[i] =
+ MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
+ AR_PHY_TX_GAIN);
+ ah->PDADCdelta = 0;
+ }
}
static u32 ath9k_regd_get_ctl(struct ath_regulatory *reg,
@@ -490,11 +490,18 @@ bool ath9k_hw_init_rf(struct ath_hw *ah,
#define AR_PHY_TX_PWRCTRL9 0xa27C
#define AR_PHY_TX_DESIRED_SCALE_CCK 0x00007C00
#define AR_PHY_TX_DESIRED_SCALE_CCK_S 10
+#define AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL 0x80000000
+#define AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL_S 31
#define AR_PHY_TX_GAIN_TBL1 0xa300
#define AR_PHY_TX_GAIN 0x0007F000
#define AR_PHY_TX_GAIN_S 12
+#define AR_PHY_CH0_TX_PWRCTRL11 0xa398
+#define AR_PHY_CH1_TX_PWRCTRL11 0xb398
+#define AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP 0x0000FC00
+#define AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP_S 10
+
#define AR_PHY_VIT_MASK2_M_46_61 0xa3a0
#define AR_PHY_MASK2_M_31_45 0xa3a4
#define AR_PHY_MASK2_M_16_30 0xa3a8
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> --- drivers/net/wireless/ath/ath9k/calib.c | 44 +++++++++++++++++++++---------- drivers/net/wireless/ath/ath9k/hw.c | 20 +++++++++++--- drivers/net/wireless/ath/ath9k/phy.h | 7 +++++ 3 files changed, 52 insertions(+), 19 deletions(-)