From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Sun, 11 Sep 2016 04:34:46 -0300 Subject: Linux-libre 4.7.1-gnu --- drivers/net/wireless/ath/ath9k/btcoex.c | 138 +++++++++++++++++++++++--------- 1 file changed, 101 insertions(+), 37 deletions(-) (limited to 'drivers/net/wireless/ath/ath9k/btcoex.c') diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 5a084d94e..618c9df35 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -15,6 +15,8 @@ */ #include +#include +#include #include "hw.h" enum ath_bt_mode { @@ -34,6 +36,8 @@ struct ath_btcoex_config { u8 bt_priority_time; u8 bt_first_slot_time; bool bt_hold_rx_clear; + u8 wl_active_time; + u8 wl_qc_time; }; static const u32 ar9003_wlan_weights[ATH_BTCOEX_STOMP_MAX] @@ -65,31 +69,71 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum) .bt_priority_time = 2, .bt_first_slot_time = 5, .bt_hold_rx_clear = true, + .wl_active_time = 0x20, + .wl_qc_time = 0x20, }; bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity; + u8 time_extend = ath_bt_config.bt_time_extend; + u8 first_slot_time = ath_bt_config.bt_first_slot_time; if (AR_SREV_9300_20_OR_LATER(ah)) rxclear_polarity = !ath_bt_config.bt_rxclear_polarity; + if (AR_SREV_SOC(ah)) { + first_slot_time = 0x1d; + time_extend = 0xa; + + btcoex_hw->bt_coex_mode3 = + SM(ath_bt_config.wl_active_time, AR_BT_WL_ACTIVE_TIME) | + SM(ath_bt_config.wl_qc_time, AR_BT_WL_QC_TIME); + + btcoex_hw->bt_coex_mode2 = + AR_BT_PROTECT_BT_AFTER_WAKEUP | + AR_BT_PHY_ERR_BT_COLL_ENABLE; + } + btcoex_hw->bt_coex_mode = (btcoex_hw->bt_coex_mode & AR_BT_QCU_THRESH) | - SM(ath_bt_config.bt_time_extend, AR_BT_TIME_EXTEND) | + SM(time_extend, AR_BT_TIME_EXTEND) | SM(ath_bt_config.bt_txstate_extend, AR_BT_TXSTATE_EXTEND) | SM(ath_bt_config.bt_txframe_extend, AR_BT_TX_FRAME_EXTEND) | SM(ath_bt_config.bt_mode, AR_BT_MODE) | SM(ath_bt_config.bt_quiet_collision, AR_BT_QUIET) | SM(rxclear_polarity, AR_BT_RX_CLEAR_POLARITY) | SM(ath_bt_config.bt_priority_time, AR_BT_PRIORITY_TIME) | - SM(ath_bt_config.bt_first_slot_time, AR_BT_FIRST_SLOT_TIME) | + SM(first_slot_time, AR_BT_FIRST_SLOT_TIME) | SM(qnum, AR_BT_QCU_THRESH); - btcoex_hw->bt_coex_mode2 = + btcoex_hw->bt_coex_mode2 |= SM(ath_bt_config.bt_hold_rx_clear, AR_BT_HOLD_RX_CLEAR) | SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) | AR_BT_DISABLE_BT_ANT; } EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw); +static void ath9k_hw_btcoex_pin_init(struct ath_hw *ah, u8 wlanactive_gpio, + u8 btactive_gpio, u8 btpriority_gpio) +{ + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + struct ath9k_platform_data *pdata = ah->dev->platform_data; + + if (btcoex_hw->scheme != ATH_BTCOEX_CFG_2WIRE && + btcoex_hw->scheme != ATH_BTCOEX_CFG_3WIRE) + return; + + /* bt priority GPIO will be ignored by 2 wire scheme */ + if (pdata && (pdata->bt_active_pin || pdata->bt_priority_pin || + pdata->wlan_active_pin)) { + btcoex_hw->btactive_gpio = pdata->bt_active_pin; + btcoex_hw->wlanactive_gpio = pdata->wlan_active_pin; + btcoex_hw->btpriority_gpio = pdata->bt_priority_pin; + } else { + btcoex_hw->btactive_gpio = btactive_gpio; + btcoex_hw->wlanactive_gpio = wlanactive_gpio; + btcoex_hw->btpriority_gpio = btpriority_gpio; + } +} + void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); @@ -107,19 +151,19 @@ void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah) btcoex_hw->scheme = ATH_BTCOEX_CFG_MCI; } else if (AR_SREV_9300_20_OR_LATER(ah)) { btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE; - btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9300; - btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9300; - btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9300; - } else if (AR_SREV_9280_20_OR_LATER(ah)) { - btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9280; - btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9280; - if (AR_SREV_9285(ah)) { + ath9k_hw_btcoex_pin_init(ah, ATH_WLANACTIVE_GPIO_9300, + ATH_BTACTIVE_GPIO_9300, + ATH_BTPRIORITY_GPIO_9300); + } else if (AR_SREV_9280_20_OR_LATER(ah)) { + if (AR_SREV_9285(ah)) btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE; - btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9285; - } else { + else btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE; - } + + ath9k_hw_btcoex_pin_init(ah, ATH_WLANACTIVE_GPIO_9280, + ATH_BTACTIVE_GPIO_9280, + ATH_BTPRIORITY_GPIO_9285); } } EXPORT_SYMBOL(ath9k_hw_btcoex_init_scheme); @@ -137,12 +181,14 @@ void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah) AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB); /* Set input mux for bt_active to gpio pin */ - REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, - AR_GPIO_INPUT_MUX1_BT_ACTIVE, - btcoex_hw->btactive_gpio); + if (!AR_SREV_SOC(ah)) + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_ACTIVE, + btcoex_hw->btactive_gpio); /* Configure the desired gpio port for input */ - ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btactive_gpio); + ath9k_hw_gpio_request_in(ah, btcoex_hw->btactive_gpio, + "ath9k-btactive"); } EXPORT_SYMBOL(ath9k_hw_btcoex_init_2wire); @@ -157,21 +203,33 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah) /* Set input mux for bt_prority_async and * bt_active_async to GPIO pins */ - REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, - AR_GPIO_INPUT_MUX1_BT_ACTIVE, - btcoex_hw->btactive_gpio); - - REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, - AR_GPIO_INPUT_MUX1_BT_PRIORITY, - btcoex_hw->btpriority_gpio); + if (!AR_SREV_SOC(ah)) { + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_ACTIVE, + btcoex_hw->btactive_gpio); + REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1, + AR_GPIO_INPUT_MUX1_BT_PRIORITY, + btcoex_hw->btpriority_gpio); + } /* Configure the desired GPIO ports for input */ - - ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btactive_gpio); - ath9k_hw_cfg_gpio_input(ah, btcoex_hw->btpriority_gpio); + ath9k_hw_gpio_request_in(ah, btcoex_hw->btactive_gpio, + "ath9k-btactive"); + ath9k_hw_gpio_request_in(ah, btcoex_hw->btpriority_gpio, + "ath9k-btpriority"); } EXPORT_SYMBOL(ath9k_hw_btcoex_init_3wire); +void ath9k_hw_btcoex_deinit(struct ath_hw *ah) +{ + struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; + + ath9k_hw_gpio_free(ah, btcoex_hw->btactive_gpio); + ath9k_hw_gpio_free(ah, btcoex_hw->btpriority_gpio); + ath9k_hw_gpio_free(ah, btcoex_hw->wlanactive_gpio); +} +EXPORT_SYMBOL(ath9k_hw_btcoex_deinit); + void ath9k_hw_btcoex_init_mci(struct ath_hw *ah) { ah->btcoex_hw.mci.ready = false; @@ -201,8 +259,9 @@ static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah) struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; /* Configure the desired GPIO port for TX_FRAME output */ - ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio, - AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); + ath9k_hw_gpio_request_out(ah, btcoex_hw->wlanactive_gpio, + "ath9k-wlanactive", + AR_GPIO_OUTPUT_MUX_AS_TX_FRAME); } /* @@ -247,13 +306,13 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, txprio_shift[i-1]); } } + /* Last WLAN weight has to be adjusted wrt tx priority */ if (concur_tx) { btcoex_hw->wlan_weight[i-1] &= ~(0xff << txprio_shift[i-1]); btcoex_hw->wlan_weight[i-1] |= (btcoex_hw->tx_prio[stomp_type] << txprio_shift[i-1]); } - } EXPORT_SYMBOL(ath9k_hw_btcoex_set_weight); @@ -268,9 +327,14 @@ static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah) * Program coex mode and weight registers to * enable coex 3-wire */ + if (AR_SREV_SOC(ah)) + REG_CLR_BIT(ah, AR_BT_COEX_MODE2, AR_BT_PHY_ERR_BT_COLL_ENABLE); + REG_WRITE(ah, AR_BT_COEX_MODE, btcoex->bt_coex_mode); REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex->bt_coex_mode2); + if (AR_SREV_SOC(ah)) + REG_WRITE(ah, AR_BT_COEX_MODE3, btcoex->bt_coex_mode3); if (AR_SREV_9300_20_OR_LATER(ah)) { REG_WRITE(ah, AR_BT_COEX_WL_WEIGHTS0, btcoex->wlan_weight[0]); @@ -281,8 +345,6 @@ static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah) } else REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex->bt_coex_weights); - - if (AR_SREV_9271(ah)) { val = REG_READ(ah, 0x50040); val &= 0xFFFFFEFF; @@ -292,8 +354,9 @@ static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah) REG_RMW_FIELD(ah, AR_QUIET1, AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1); REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0); - ath9k_hw_cfg_output(ah, btcoex->wlanactive_gpio, - AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL); + ath9k_hw_gpio_request_out(ah, btcoex->wlanactive_gpio, + "ath9k-wlanactive", + AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL); } static void ath9k_hw_btcoex_enable_mci(struct ath_hw *ah) @@ -339,7 +402,8 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah) break; } - if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI) { + if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI && + !AR_SREV_SOC(ah)) { REG_RMW(ah, AR_GPIO_PDPU, (0x2 << (btcoex_hw->btactive_gpio * 2)), (0x3 << (btcoex_hw->btactive_gpio * 2))); @@ -364,8 +428,8 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah) if (!AR_SREV_9300_20_OR_LATER(ah)) ath9k_hw_set_gpio(ah, btcoex_hw->wlanactive_gpio, 0); - ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio, - AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + ath9k_hw_gpio_request_out(ah, btcoex_hw->wlanactive_gpio, + NULL, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); if (btcoex_hw->scheme == ATH_BTCOEX_CFG_3WIRE) { REG_WRITE(ah, AR_BT_COEX_MODE, AR_BT_QUIET | AR_BT_MODE); -- cgit v1.2.3