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-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_eeprom.c18
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.c28
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mci.h5
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h3
-rw-r--r--drivers/net/wireless/ath/ath9k/gpio.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c4
-rw-r--r--drivers/net/wireless/ath/ath9k/mci.c59
-rw-r--r--drivers/net/wireless/ath/ath9k/mci.h8
9 files changed, 124 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 189aeb22f555..d31399871e8d 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -18,6 +18,7 @@
#include "hw.h"
#include "ar9003_phy.h"
#include "ar9003_eeprom.h"
+#include "ar9003_mci.h"
#define COMP_HDR_LEN 4
#define COMP_CKSUM_LEN 2
@@ -41,7 +42,6 @@
static int ar9003_hw_power_interpolate(int32_t x,
int32_t *px, int32_t *py, u_int16_t np);
-
static const struct ar9300_eeprom ar9300_default = {
.eepromVersion = 2,
.templateVersion = 2,
@@ -5037,16 +5037,28 @@ static void ar9003_hw_set_power_per_rate_table(struct ath_hw *ah,
case CTL_5GHT20:
case CTL_2GHT20:
for (i = ALL_TARGET_HT20_0_8_16;
- i <= ALL_TARGET_HT20_23; i++)
+ i <= ALL_TARGET_HT20_23; i++) {
pPwrArray[i] = (u8)min((u16)pPwrArray[i],
minCtlPower);
+ if (ath9k_hw_mci_is_enabled(ah))
+ pPwrArray[i] =
+ (u8)min((u16)pPwrArray[i],
+ ar9003_mci_get_max_txpower(ah,
+ pCtlMode[ctlMode]));
+ }
break;
case CTL_5GHT40:
case CTL_2GHT40:
for (i = ALL_TARGET_HT40_0_8_16;
- i <= ALL_TARGET_HT40_23; i++)
+ i <= ALL_TARGET_HT40_23; i++) {
pPwrArray[i] = (u8)min((u16)pPwrArray[i],
minCtlPower);
+ if (ath9k_hw_mci_is_enabled(ah))
+ pPwrArray[i] =
+ (u8)min((u16)pPwrArray[i],
+ ar9003_mci_get_max_txpower(ah,
+ pCtlMode[ctlMode]));
+ }
break;
default:
break;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index 44c202ce6c66..9aa8704eb3e4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -818,7 +818,7 @@ int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 regval;
+ u32 regval, i;
ath_dbg(common, MCI, "MCI Reset (full_sleep = %d, is_2g = %d)\n",
is_full_sleep, is_2g);
@@ -868,6 +868,18 @@ int ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_RX_DEWEIGHT, 1);
REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0);
+ /* concurrent tx priority */
+ if (mci->config & ATH_MCI_CONFIG_CONCUR_TX) {
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
+ AR_BTCOEX_CTRL2_DESC_BASED_TXPWR_ENABLE, 0);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2,
+ AR_BTCOEX_CTRL2_TXPWR_THRESH, 0x7f);
+ REG_RMW_FIELD(ah, AR_BTCOEX_CTRL,
+ AR_BTCOEX_CTRL_REDUCE_TXPWR, 0);
+ for (i = 0; i < 8; i++)
+ REG_WRITE(ah, AR_BTCOEX_MAX_TXPWR(i), 0x7f7f7f7f);
+ }
+
regval = MS(mci->config, ATH_MCI_CONFIG_CLK_DIV);
REG_RMW_FIELD(ah, AR_MCI_TX_CTRL, AR_MCI_TX_CTRL_CLK_DIV, regval);
REG_SET_BIT(ah, AR_BTCOEX_CTRL, AR_BTCOEX_CTRL_MCI_MODE_EN);
@@ -1426,3 +1438,17 @@ void ar9003_mci_send_wlan_channels(struct ath_hw *ah)
ar9003_mci_send_coex_wlan_channels(ah, true);
}
EXPORT_SYMBOL(ar9003_mci_send_wlan_channels);
+
+u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode)
+{
+ if (!ah->btcoex_hw.mci.concur_tx)
+ goto out;
+
+ if (ctlmode == CTL_2GHT20)
+ return ATH_BTCOEX_HT20_MAX_TXPOWER;
+ else if (ctlmode == CTL_2GHT40)
+ return ATH_BTCOEX_HT40_MAX_TXPOWER;
+
+out:
+ return -1;
+}
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.h b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
index 29282348eb4d..0910310ae834 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
@@ -277,6 +277,7 @@ void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked);
void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah);
void ar9003_mci_set_power_awake(struct ath_hw *ah);
void ar9003_mci_check_gpm_offset(struct ath_hw *ah);
+u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode);
#else
@@ -323,6 +324,10 @@ static inline void ar9003_mci_set_power_awake(struct ath_hw *ah)
static inline void ar9003_mci_check_gpm_offset(struct ath_hw *ah)
{
}
+static inline u16 ar9003_mci_get_max_txpower(struct ath_hw *ah, u8 ctlmode)
+{
+ return -1;
+}
#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
#endif
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 77c2c16b6961..18dfb764eed5 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -479,6 +479,7 @@ struct ath_btcoex {
u32 btscan_no_stomp; /* in usec */
u32 duty_cycle;
u32 bt_wait_time;
+ int rssi_count;
struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
struct ath_mci_profile mci;
};
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index a260fcb99d13..94e921147e4c 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -39,6 +39,9 @@
#define ATH_BTCOEX_RX_WAIT_TIME 100
#define ATH_BTCOEX_STOMP_FTP_THRESH 5
+#define ATH_BTCOEX_HT20_MAX_TXPOWER 0x14
+#define ATH_BTCOEX_HT40_MAX_TXPOWER 0x10
+
#define AR9300_NUM_BT_WEIGHTS 4
#define AR9300_NUM_WLAN_WEIGHTS 4
/* Defines the BT AR_BT_COEX_WGHT used */
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 9e63a03330cb..64dde1cd20e8 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -227,6 +227,8 @@ static void ath_btcoex_period_timer(unsigned long data)
}
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+ ath9k_mci_update_rssi(sc);
+
ath9k_ps_wakeup(sc);
if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 515e184ab47f..578a7234aa56 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -293,6 +293,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
goto out;
}
+ if (ath9k_hw_mci_is_enabled(sc->sc_ah) &&
+ (sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
+ ath9k_mci_set_txpower(sc, true, false);
+
if (!ath_complete_reset(sc, true))
r = -EIO;
diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c
index b37c8af6e02c..19dbac42f3d9 100644
--- a/drivers/net/wireless/ath/ath9k/mci.c
+++ b/drivers/net/wireless/ath/ath9k/mci.c
@@ -710,3 +710,62 @@ send_wlan_chan:
ar9003_mci_send_wlan_channels(ah);
ar9003_mci_state(ah, MCI_STATE_SEND_VERSION_QUERY);
}
+
+void ath9k_mci_set_txpower(struct ath_softc *sc, bool setchannel,
+ bool concur_tx)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath9k_hw_mci *mci_hw = &sc->sc_ah->btcoex_hw.mci;
+ bool old_concur_tx = mci_hw->concur_tx;
+
+ if (!(mci_hw->config & ATH_MCI_CONFIG_CONCUR_TX)) {
+ mci_hw->concur_tx = false;
+ return;
+ }
+
+ if (!IS_CHAN_2GHZ(ah->curchan))
+ return;
+
+ if (setchannel) {
+ struct ath9k_hw_cal_data *caldata = &sc->caldata;
+ if ((caldata->chanmode == CHANNEL_G_HT40PLUS) &&
+ (ah->curchan->channel > caldata->channel) &&
+ (ah->curchan->channel <= caldata->channel + 20))
+ return;
+ if ((caldata->chanmode == CHANNEL_G_HT40MINUS) &&
+ (ah->curchan->channel < caldata->channel) &&
+ (ah->curchan->channel >= caldata->channel - 20))
+ return;
+ mci_hw->concur_tx = false;
+ } else
+ mci_hw->concur_tx = concur_tx;
+
+ if (old_concur_tx != mci_hw->concur_tx)
+ ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit, false);
+}
+
+void ath9k_mci_update_rssi(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath9k_hw_mci *mci_hw = &sc->sc_ah->btcoex_hw.mci;
+
+ if (!(mci_hw->config & ATH_MCI_CONFIG_CONCUR_TX))
+ return;
+
+ if (ah->stats.avgbrssi >= 40) {
+ if (btcoex->rssi_count < 0)
+ btcoex->rssi_count = 0;
+ if (++btcoex->rssi_count >= ATH_MCI_CONCUR_TX_SWITCH) {
+ btcoex->rssi_count = 0;
+ ath9k_mci_set_txpower(sc, false, true);
+ }
+ } else {
+ if (btcoex->rssi_count > 0)
+ btcoex->rssi_count = 0;
+ if (--btcoex->rssi_count <= -ATH_MCI_CONCUR_TX_SWITCH) {
+ btcoex->rssi_count = 0;
+ ath9k_mci_set_txpower(sc, false, false);
+ }
+ }
+}
diff --git a/drivers/net/wireless/ath/ath9k/mci.h b/drivers/net/wireless/ath/ath9k/mci.h
index e85a0e9506fa..e5f170a4d662 100644
--- a/drivers/net/wireless/ath/ath9k/mci.h
+++ b/drivers/net/wireless/ath/ath9k/mci.h
@@ -35,6 +35,7 @@
#define ATH_MCI_INQUIRY_PRIO 62
#define ATH_MCI_HI_PRIO 60
#define ATH_MCI_NUM_BT_CHANNELS 79
+#define ATH_MCI_CONCUR_TX_SWITCH 5
#define MCI_GPM_SET_CHANNEL_BIT(_p_gpm, _bt_chan) \
do { \
@@ -151,10 +152,13 @@ void ath_mci_flush_profile(struct ath_mci_profile *mci);
int ath_mci_setup(struct ath_softc *sc);
void ath_mci_cleanup(struct ath_softc *sc);
void ath_mci_intr(struct ath_softc *sc);
+void ath9k_mci_update_rssi(struct ath_softc *sc);
#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
void ath_mci_enable(struct ath_softc *sc);
void ath9k_mci_update_wlan_channels(struct ath_softc *sc, bool allow_all);
+void ath9k_mci_set_txpower(struct ath_softc *sc, bool setchannel,
+ bool concur_tx);
#else
static inline void ath_mci_enable(struct ath_softc *sc)
{
@@ -163,6 +167,10 @@ static inline void ath9k_mci_update_wlan_channels(struct ath_softc *sc,
bool allow_all)
{
}
+static inline void ath9k_mci_set_txpower(struct ath_softc *sc, bool setchannel,
+ bool concur_tx)
+{
+}
#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
#endif /* MCI_H*/
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-18 17:53:16 +0000