gpio.c revision e82cb03f5a645533def34923d55404526bc22fae
10fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* 25b68138e5659cbfd5df2879d17f9ba0b66477fecSujith Manoharan * Copyright (c) 2008-2011 Atheros Communications Inc. 30fca65c1c0569d6a143e978b6f4974c519033e63Sujith * 40fca65c1c0569d6a143e978b6f4974c519033e63Sujith * Permission to use, copy, modify, and/or distribute this software for any 50fca65c1c0569d6a143e978b6f4974c519033e63Sujith * purpose with or without fee is hereby granted, provided that the above 60fca65c1c0569d6a143e978b6f4974c519033e63Sujith * copyright notice and this permission notice appear in all copies. 70fca65c1c0569d6a143e978b6f4974c519033e63Sujith * 80fca65c1c0569d6a143e978b6f4974c519033e63Sujith * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 90fca65c1c0569d6a143e978b6f4974c519033e63Sujith * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 100fca65c1c0569d6a143e978b6f4974c519033e63Sujith * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 110fca65c1c0569d6a143e978b6f4974c519033e63Sujith * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 120fca65c1c0569d6a143e978b6f4974c519033e63Sujith * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 130fca65c1c0569d6a143e978b6f4974c519033e63Sujith * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 140fca65c1c0569d6a143e978b6f4974c519033e63Sujith * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 150fca65c1c0569d6a143e978b6f4974c519033e63Sujith */ 160fca65c1c0569d6a143e978b6f4974c519033e63Sujith 170fca65c1c0569d6a143e978b6f4974c519033e63Sujith#include "ath9k.h" 180fca65c1c0569d6a143e978b6f4974c519033e63Sujith 190fca65c1c0569d6a143e978b6f4974c519033e63Sujith/********************************/ 200fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* LED functions */ 210fca65c1c0569d6a143e978b6f4974c519033e63Sujith/********************************/ 220fca65c1c0569d6a143e978b6f4974c519033e63Sujith 230cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau#ifdef CONFIG_MAC80211_LEDS 240fca65c1c0569d6a143e978b6f4974c519033e63Sujithstatic void ath_led_brightness(struct led_classdev *led_cdev, 250fca65c1c0569d6a143e978b6f4974c519033e63Sujith enum led_brightness brightness) 260fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 270cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev); 280cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, (brightness == LED_OFF)); 290fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 300fca65c1c0569d6a143e978b6f4974c519033e63Sujith 310fca65c1c0569d6a143e978b6f4974c519033e63Sujithvoid ath_deinit_leds(struct ath_softc *sc) 320fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 330cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau if (!sc->led_registered) 340cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau return; 350cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau 360cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau ath_led_brightness(&sc->led_cdev, LED_OFF); 370cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau led_classdev_unregister(&sc->led_cdev); 380fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 390fca65c1c0569d6a143e978b6f4974c519033e63Sujith 400fca65c1c0569d6a143e978b6f4974c519033e63Sujithvoid ath_init_leds(struct ath_softc *sc) 410fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 420fca65c1c0569d6a143e978b6f4974c519033e63Sujith int ret; 430fca65c1c0569d6a143e978b6f4974c519033e63Sujith 447b27ba4e9c8053ca73e2b21ece804f7e80c07ba3Felix Fietkau if (AR_SREV_9100(sc->sc_ah)) 457b27ba4e9c8053ca73e2b21ece804f7e80c07ba3Felix Fietkau return; 467b27ba4e9c8053ca73e2b21ece804f7e80c07ba3Felix Fietkau 470cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau if (!led_blink) 480cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau sc->led_cdev.default_trigger = 490cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau ieee80211_get_radio_led_name(sc->hw); 500cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau 510cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau snprintf(sc->led_name, sizeof(sc->led_name), 520cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau "ath9k-%s", wiphy_name(sc->hw->wiphy)); 530cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau sc->led_cdev.name = sc->led_name; 540cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau sc->led_cdev.brightness_set = ath_led_brightness; 550cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau 560cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev); 570cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau if (ret < 0) 580cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau return; 590cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau 600cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau sc->led_registered = true; 610fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 628f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan 638f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharanvoid ath_fill_led_pin(struct ath_softc *sc) 648f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan{ 658f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan struct ath_hw *ah = sc->sc_ah; 668f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan 678f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan if (AR_SREV_9100(ah) || (ah->led_pin >= 0)) 688f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan return; 698f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan 708f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan if (AR_SREV_9287(ah)) 718f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan ah->led_pin = ATH_LED_PIN_9287; 728f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan else if (AR_SREV_9485(sc->sc_ah)) 738f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan ah->led_pin = ATH_LED_PIN_9485; 748f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan else if (AR_SREV_9300(sc->sc_ah)) 758f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan ah->led_pin = ATH_LED_PIN_9300; 768f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan else if (AR_SREV_9462(sc->sc_ah) || AR_SREV_9565(sc->sc_ah)) 778f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan ah->led_pin = ATH_LED_PIN_9462; 788f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan else 798f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan ah->led_pin = ATH_LED_PIN_DEF; 808f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan 818f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan /* Configure gpio 1 for output */ 828f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan ath9k_hw_cfg_output(ah, ah->led_pin, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); 838f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan 848f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan /* LED off, active low */ 858f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan ath9k_hw_set_gpio(ah, ah->led_pin, 1); 868f176a3a16d124285cecd6c53b70689eb3b9ba36Rajkumar Manoharan} 870cf55c21ec401632043db2b8acb7cd3bef64c9e6Felix Fietkau#endif 880fca65c1c0569d6a143e978b6f4974c519033e63Sujith 890fca65c1c0569d6a143e978b6f4974c519033e63Sujith/*******************/ 900fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* Rfkill */ 910fca65c1c0569d6a143e978b6f4974c519033e63Sujith/*******************/ 920fca65c1c0569d6a143e978b6f4974c519033e63Sujith 930fca65c1c0569d6a143e978b6f4974c519033e63Sujithstatic bool ath_is_rfkill_set(struct ath_softc *sc) 940fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 950fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_hw *ah = sc->sc_ah; 9690826313fd69d198da7574779460f793765abfa5Mohammed Shafi Shajakhan bool is_blocked; 970fca65c1c0569d6a143e978b6f4974c519033e63Sujith 9890826313fd69d198da7574779460f793765abfa5Mohammed Shafi Shajakhan ath9k_ps_wakeup(sc); 9990826313fd69d198da7574779460f793765abfa5Mohammed Shafi Shajakhan is_blocked = ath9k_hw_gpio_get(ah, ah->rfkill_gpio) == 1000fca65c1c0569d6a143e978b6f4974c519033e63Sujith ah->rfkill_polarity; 10190826313fd69d198da7574779460f793765abfa5Mohammed Shafi Shajakhan ath9k_ps_restore(sc); 10290826313fd69d198da7574779460f793765abfa5Mohammed Shafi Shajakhan 10390826313fd69d198da7574779460f793765abfa5Mohammed Shafi Shajakhan return is_blocked; 1040fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 1050fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1060fca65c1c0569d6a143e978b6f4974c519033e63Sujithvoid ath9k_rfkill_poll_state(struct ieee80211_hw *hw) 1070fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 1089ac58615d93c8a28b1c649a90a5e2ede4dfd368aFelix Fietkau struct ath_softc *sc = hw->priv; 1090fca65c1c0569d6a143e978b6f4974c519033e63Sujith bool blocked = !!ath_is_rfkill_set(sc); 1100fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1110fca65c1c0569d6a143e978b6f4974c519033e63Sujith wiphy_rfkill_set_hw_state(hw->wiphy, blocked); 1120fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 1130fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1140fca65c1c0569d6a143e978b6f4974c519033e63Sujithvoid ath_start_rfkill_poll(struct ath_softc *sc) 1150fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 1160fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_hw *ah = sc->sc_ah; 1170fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1180fca65c1c0569d6a143e978b6f4974c519033e63Sujith if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT) 1190fca65c1c0569d6a143e978b6f4974c519033e63Sujith wiphy_rfkill_start_polling(sc->hw->wiphy); 1200fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 1210fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1224daa7760e2da9324e740f7d872970fa91c8ea6f0Sujith Manoharan#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 1234daa7760e2da9324e740f7d872970fa91c8ea6f0Sujith Manoharan 1240fca65c1c0569d6a143e978b6f4974c519033e63Sujith/******************/ 1250fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* BTCOEX */ 1260fca65c1c0569d6a143e978b6f4974c519033e63Sujith/******************/ 1270fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1280fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* 1290fca65c1c0569d6a143e978b6f4974c519033e63Sujith * Detects if there is any priority bt traffic 1300fca65c1c0569d6a143e978b6f4974c519033e63Sujith */ 1310fca65c1c0569d6a143e978b6f4974c519033e63Sujithstatic void ath_detect_bt_priority(struct ath_softc *sc) 1320fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 1330fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_btcoex *btcoex = &sc->btcoex; 1340fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_hw *ah = sc->sc_ah; 1350fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1360fca65c1c0569d6a143e978b6f4974c519033e63Sujith if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio)) 1370fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->bt_priority_cnt++; 1380fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1390fca65c1c0569d6a143e978b6f4974c519033e63Sujith if (time_after(jiffies, btcoex->bt_priority_time + 1400fca65c1c0569d6a143e978b6f4974c519033e63Sujith msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) { 141e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 142e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan clear_bit(BT_OP_SCAN, &btcoex->op_flags); 14358da1318ee92ad3fe7917278d596768bbe441850Vasanthakumar Thiagarajan /* Detect if colocated bt started scanning */ 14458da1318ee92ad3fe7917278d596768bbe441850Vasanthakumar Thiagarajan if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) { 145d2182b69dcb6a68b1ef6070b2efd094e13dea3f1Joe Perches ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, 146226afe68fdbd1aa3680158aca0a3631cbd019626Joe Perches "BT scan detected\n"); 147e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 148e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan set_bit(BT_OP_SCAN, &btcoex->op_flags); 14958da1318ee92ad3fe7917278d596768bbe441850Vasanthakumar Thiagarajan } else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) { 150d2182b69dcb6a68b1ef6070b2efd094e13dea3f1Joe Perches ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, 151226afe68fdbd1aa3680158aca0a3631cbd019626Joe Perches "BT priority traffic detected\n"); 152e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 1530fca65c1c0569d6a143e978b6f4974c519033e63Sujith } 1540fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1550fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->bt_priority_cnt = 0; 1560fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->bt_priority_time = jiffies; 1570fca65c1c0569d6a143e978b6f4974c519033e63Sujith } 1580fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 1590fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1600fca65c1c0569d6a143e978b6f4974c519033e63Sujithstatic void ath9k_gen_timer_start(struct ath_hw *ah, 1610fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_gen_timer *timer, 162788f6875fcf5d2bce221fbfd2318ac48df299031Vasanthakumar Thiagarajan u32 trig_timeout, 1630fca65c1c0569d6a143e978b6f4974c519033e63Sujith u32 timer_period) 1640fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 165788f6875fcf5d2bce221fbfd2318ac48df299031Vasanthakumar Thiagarajan ath9k_hw_gen_timer_start(ah, timer, trig_timeout, timer_period); 1660fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1673069168c82d65f88e4ac76eda09baff02adfd743Pavel Roskin if ((ah->imask & ATH9K_INT_GENTIMER) == 0) { 1684df3071ebd92ef7115b409da64d0eb405d24a631Felix Fietkau ath9k_hw_disable_interrupts(ah); 1693069168c82d65f88e4ac76eda09baff02adfd743Pavel Roskin ah->imask |= ATH9K_INT_GENTIMER; 17072d874c67c3cdf21ca95045baabac6a5843222d8Felix Fietkau ath9k_hw_set_interrupts(ah); 171b037b693265e5c83ddc3f003a713d19b9832bf24Rajkumar Manoharan ath9k_hw_enable_interrupts(ah); 1720fca65c1c0569d6a143e978b6f4974c519033e63Sujith } 1730fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 1740fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1750fca65c1c0569d6a143e978b6f4974c519033e63Sujithstatic void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) 1760fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 1770fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; 1780fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1790fca65c1c0569d6a143e978b6f4974c519033e63Sujith ath9k_hw_gen_timer_stop(ah, timer); 1800fca65c1c0569d6a143e978b6f4974c519033e63Sujith 1810fca65c1c0569d6a143e978b6f4974c519033e63Sujith /* if no timer is enabled, turn off interrupt mask */ 1820fca65c1c0569d6a143e978b6f4974c519033e63Sujith if (timer_table->timer_mask.val == 0) { 1834df3071ebd92ef7115b409da64d0eb405d24a631Felix Fietkau ath9k_hw_disable_interrupts(ah); 1843069168c82d65f88e4ac76eda09baff02adfd743Pavel Roskin ah->imask &= ~ATH9K_INT_GENTIMER; 18572d874c67c3cdf21ca95045baabac6a5843222d8Felix Fietkau ath9k_hw_set_interrupts(ah); 186b037b693265e5c83ddc3f003a713d19b9832bf24Rajkumar Manoharan ath9k_hw_enable_interrupts(ah); 1870fca65c1c0569d6a143e978b6f4974c519033e63Sujith } 1880fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 1890fca65c1c0569d6a143e978b6f4974c519033e63Sujith 19078b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharanstatic void ath_mci_ftp_adjust(struct ath_softc *sc) 19178b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan{ 19278b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan struct ath_btcoex *btcoex = &sc->btcoex; 19378b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan struct ath_mci_profile *mci = &btcoex->mci; 19478b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan struct ath_hw *ah = sc->sc_ah; 19578b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan 19678b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) { 19778b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan if (ar9003_mci_state(ah, MCI_STATE_NEED_FTP_STOMP) && 19878b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan (mci->num_pan || mci->num_other_acl)) 19978b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan ah->btcoex_hw.mci.stomp_ftp = 20078b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan (sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH); 20178b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan else 20278b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan ah->btcoex_hw.mci.stomp_ftp = false; 20378b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan btcoex->bt_wait_time = 0; 20478b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan sc->rx.num_pkts = 0; 20578b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan } 20678b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan} 20778b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan 2080fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* 2090fca65c1c0569d6a143e978b6f4974c519033e63Sujith * This is the master bt coex timer which runs for every 2100fca65c1c0569d6a143e978b6f4974c519033e63Sujith * 45ms, bt traffic will be given priority during 55% of this 2110fca65c1c0569d6a143e978b6f4974c519033e63Sujith * period while wlan gets remaining 45% 2120fca65c1c0569d6a143e978b6f4974c519033e63Sujith */ 2130fca65c1c0569d6a143e978b6f4974c519033e63Sujithstatic void ath_btcoex_period_timer(unsigned long data) 2140fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 2150fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_softc *sc = (struct ath_softc *) data; 2160fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_hw *ah = sc->sc_ah; 2170fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_btcoex *btcoex = &sc->btcoex; 218750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan enum ath_stomp_type stomp_type; 21958da1318ee92ad3fe7917278d596768bbe441850Vasanthakumar Thiagarajan u32 timer_period; 22008d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan unsigned long flags; 22108d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan 22208d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan spin_lock_irqsave(&sc->sc_pm_lock, flags); 22308d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) { 224be41b052029f75a72df3c437a238bf9d574b6461Mohammed Shafi Shajakhan btcoex->bt_wait_time += btcoex->btcoex_period; 22508d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan spin_unlock_irqrestore(&sc->sc_pm_lock, flags); 22608d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan goto skip_hw_wakeup; 22708d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan } 22808d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan spin_unlock_irqrestore(&sc->sc_pm_lock, flags); 2290fca65c1c0569d6a143e978b6f4974c519033e63Sujith 230e82cb03f5a645533def34923d55404526bc22faeRajkumar Manoharan ath9k_mci_update_rssi(sc); 231e82cb03f5a645533def34923d55404526bc22faeRajkumar Manoharan 232a039a993496d79d09ae9709c82b545b9800954c9Vivek Natarajan ath9k_ps_wakeup(sc); 233750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan 2347dc181c273861c4d96991f59a4fdcda3a3eaccaeRajkumar Manoharan if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) 2357dc181c273861c4d96991f59a4fdcda3a3eaccaeRajkumar Manoharan ath_detect_bt_priority(sc); 23658da1318ee92ad3fe7917278d596768bbe441850Vasanthakumar Thiagarajan 23778b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) 23878b1775ba03c2edcc8d765dd53a7e171b18e79acSujith Manoharan ath_mci_ftp_adjust(sc); 2396995fb805ed5de852a7d49413730980bc7173e82Rajkumar Manoharan 2400fca65c1c0569d6a143e978b6f4974c519033e63Sujith spin_lock_bh(&btcoex->btcoex_lock); 2410fca65c1c0569d6a143e978b6f4974c519033e63Sujith 242750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan stomp_type = btcoex->bt_stomp_type; 243750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan timer_period = btcoex->btcoex_no_stomp; 244750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan 245750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) { 246750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) { 247750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan stomp_type = ATH_BTCOEX_STOMP_ALL; 248750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan timer_period = btcoex->btscan_no_stomp; 249750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan } 250750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan } 2510fca65c1c0569d6a143e978b6f4974c519033e63Sujith 252750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan ath9k_hw_btcoex_bt_stomp(ah, stomp_type); 253bc6d5c29afa724901c2feb7e4446c6eec7788cecRajkumar Manoharan ath9k_hw_btcoex_enable(ah); 254750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan 2550fca65c1c0569d6a143e978b6f4974c519033e63Sujith spin_unlock_bh(&btcoex->btcoex_lock); 2560fca65c1c0569d6a143e978b6f4974c519033e63Sujith 25794ae77ea4600801233663e64025529ba43075643Mohammed Shafi Shajakhan /* 25894ae77ea4600801233663e64025529ba43075643Mohammed Shafi Shajakhan * btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec, 25994ae77ea4600801233663e64025529ba43075643Mohammed Shafi Shajakhan * ensure that we properly convert btcoex_period to usec 26094ae77ea4600801233663e64025529ba43075643Mohammed Shafi Shajakhan * for any comparision with (btcoex/btscan_)no_stomp. 26194ae77ea4600801233663e64025529ba43075643Mohammed Shafi Shajakhan */ 26294ae77ea4600801233663e64025529ba43075643Mohammed Shafi Shajakhan if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) { 2630fca65c1c0569d6a143e978b6f4974c519033e63Sujith if (btcoex->hw_timer_enabled) 2640fca65c1c0569d6a143e978b6f4974c519033e63Sujith ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); 2650fca65c1c0569d6a143e978b6f4974c519033e63Sujith 266788f6875fcf5d2bce221fbfd2318ac48df299031Vasanthakumar Thiagarajan ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period, 2678eb1dabbd10e067cff671935d3e0c819f8e80d54Felix Fietkau timer_period * 10); 2680fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->hw_timer_enabled = true; 2690fca65c1c0569d6a143e978b6f4974c519033e63Sujith } 2700fca65c1c0569d6a143e978b6f4974c519033e63Sujith 271a039a993496d79d09ae9709c82b545b9800954c9Vivek Natarajan ath9k_ps_restore(sc); 272750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan 27308d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharanskip_hw_wakeup: 274750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan mod_timer(&btcoex->period_timer, 275750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan jiffies + msecs_to_jiffies(btcoex->btcoex_period)); 2760fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 2770fca65c1c0569d6a143e978b6f4974c519033e63Sujith 2780fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* 2790fca65c1c0569d6a143e978b6f4974c519033e63Sujith * Generic tsf based hw timer which configures weight 2800fca65c1c0569d6a143e978b6f4974c519033e63Sujith * registers to time slice between wlan and bt traffic 2810fca65c1c0569d6a143e978b6f4974c519033e63Sujith */ 2820fca65c1c0569d6a143e978b6f4974c519033e63Sujithstatic void ath_btcoex_no_stomp_timer(void *arg) 2830fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 2840fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_softc *sc = (struct ath_softc *)arg; 2850fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_hw *ah = sc->sc_ah; 2860fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_btcoex *btcoex = &sc->btcoex; 287d99eeb87420a6da1f87064c7fa70bdf299699d90Vivek Natarajan struct ath_common *common = ath9k_hw_common(ah); 2880fca65c1c0569d6a143e978b6f4974c519033e63Sujith 289d2182b69dcb6a68b1ef6070b2efd094e13dea3f1Joe Perches ath_dbg(common, BTCOEX, "no stomp timer running\n"); 2900fca65c1c0569d6a143e978b6f4974c519033e63Sujith 291a039a993496d79d09ae9709c82b545b9800954c9Vivek Natarajan ath9k_ps_wakeup(sc); 2920fca65c1c0569d6a143e978b6f4974c519033e63Sujith spin_lock_bh(&btcoex->btcoex_lock); 2930fca65c1c0569d6a143e978b6f4974c519033e63Sujith 294e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || 295750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && 296750f32cf0a6e2a4d798e09da4079ede7d1721e54Sujith Manoharan test_bit(BT_OP_SCAN, &btcoex->op_flags))) 297978f78bf71372a48785ac9407ebc10170f14f56cVivek Natarajan ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); 2980fca65c1c0569d6a143e978b6f4974c519033e63Sujith else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) 299978f78bf71372a48785ac9407ebc10170f14f56cVivek Natarajan ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW); 3000fca65c1c0569d6a143e978b6f4974c519033e63Sujith 301bc6d5c29afa724901c2feb7e4446c6eec7788cecRajkumar Manoharan ath9k_hw_btcoex_enable(ah); 3020fca65c1c0569d6a143e978b6f4974c519033e63Sujith spin_unlock_bh(&btcoex->btcoex_lock); 303a039a993496d79d09ae9709c82b545b9800954c9Vivek Natarajan ath9k_ps_restore(sc); 3040fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 3050fca65c1c0569d6a143e978b6f4974c519033e63Sujith 306df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharanstatic int ath_init_btcoex_timer(struct ath_softc *sc) 3070fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 3080fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_btcoex *btcoex = &sc->btcoex; 3090fca65c1c0569d6a143e978b6f4974c519033e63Sujith 310dfd0587a7d99d42cc2d608324991169494d2dbbaRajkumar Manoharan btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD; 311dfd0587a7d99d42cc2d608324991169494d2dbbaRajkumar Manoharan btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * 1000 * 3120fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->btcoex_period / 100; 313dfd0587a7d99d42cc2d608324991169494d2dbbaRajkumar Manoharan btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * 1000 * 31458da1318ee92ad3fe7917278d596768bbe441850Vasanthakumar Thiagarajan btcoex->btcoex_period / 100; 3150fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3160fca65c1c0569d6a143e978b6f4974c519033e63Sujith setup_timer(&btcoex->period_timer, ath_btcoex_period_timer, 3170fca65c1c0569d6a143e978b6f4974c519033e63Sujith (unsigned long) sc); 3180fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3190fca65c1c0569d6a143e978b6f4974c519033e63Sujith spin_lock_init(&btcoex->btcoex_lock); 3200fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3210fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah, 3220fca65c1c0569d6a143e978b6f4974c519033e63Sujith ath_btcoex_no_stomp_timer, 3230fca65c1c0569d6a143e978b6f4974c519033e63Sujith ath_btcoex_no_stomp_timer, 3240fca65c1c0569d6a143e978b6f4974c519033e63Sujith (void *) sc, AR_FIRST_NDP_TIMER); 3250fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3260fca65c1c0569d6a143e978b6f4974c519033e63Sujith if (!btcoex->no_stomp_timer) 3270fca65c1c0569d6a143e978b6f4974c519033e63Sujith return -ENOMEM; 3280fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3290fca65c1c0569d6a143e978b6f4974c519033e63Sujith return 0; 3300fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 3310fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3320fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* 3330fca65c1c0569d6a143e978b6f4974c519033e63Sujith * (Re)start btcoex timers 3340fca65c1c0569d6a143e978b6f4974c519033e63Sujith */ 3350fca65c1c0569d6a143e978b6f4974c519033e63Sujithvoid ath9k_btcoex_timer_resume(struct ath_softc *sc) 3360fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 3370fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_btcoex *btcoex = &sc->btcoex; 3380fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_hw *ah = sc->sc_ah; 3390fca65c1c0569d6a143e978b6f4974c519033e63Sujith 340d2182b69dcb6a68b1ef6070b2efd094e13dea3f1Joe Perches ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n"); 3410fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3420fca65c1c0569d6a143e978b6f4974c519033e63Sujith /* make sure duty cycle timer is also stopped when resuming */ 3435418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan if (btcoex->hw_timer_enabled) { 3440fca65c1c0569d6a143e978b6f4974c519033e63Sujith ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); 3455418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan btcoex->hw_timer_enabled = false; 3465418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan } 3470fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3480fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->bt_priority_cnt = 0; 3490fca65c1c0569d6a143e978b6f4974c519033e63Sujith btcoex->bt_priority_time = jiffies; 350c11216d1f62163e7de92793dcfd4d06247d0a20eMohammed Shafi Shajakhan clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); 351c11216d1f62163e7de92793dcfd4d06247d0a20eMohammed Shafi Shajakhan clear_bit(BT_OP_SCAN, &btcoex->op_flags); 3520fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3530fca65c1c0569d6a143e978b6f4974c519033e63Sujith mod_timer(&btcoex->period_timer, jiffies); 3540fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 3550fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3560fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3570fca65c1c0569d6a143e978b6f4974c519033e63Sujith/* 3580fca65c1c0569d6a143e978b6f4974c519033e63Sujith * Pause btcoex timer and bt duty cycle timer 3590fca65c1c0569d6a143e978b6f4974c519033e63Sujith */ 3600fca65c1c0569d6a143e978b6f4974c519033e63Sujithvoid ath9k_btcoex_timer_pause(struct ath_softc *sc) 3610fca65c1c0569d6a143e978b6f4974c519033e63Sujith{ 3620fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_btcoex *btcoex = &sc->btcoex; 3630fca65c1c0569d6a143e978b6f4974c519033e63Sujith struct ath_hw *ah = sc->sc_ah; 3640fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3650fca65c1c0569d6a143e978b6f4974c519033e63Sujith del_timer_sync(&btcoex->period_timer); 3660fca65c1c0569d6a143e978b6f4974c519033e63Sujith 3675418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan if (btcoex->hw_timer_enabled) { 3680fca65c1c0569d6a143e978b6f4974c519033e63Sujith ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); 3695418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan btcoex->hw_timer_enabled = false; 3705418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan } 3710fca65c1c0569d6a143e978b6f4974c519033e63Sujith} 3725908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 37308d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharanvoid ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) 37408d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan{ 37508d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan struct ath_btcoex *btcoex = &sc->btcoex; 37608d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan 3775418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan if (btcoex->hw_timer_enabled) { 3785d9b6f263995d7f43202d76cf2e23d43f9240a90Mohammed Shafi Shajakhan ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); 3795418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan btcoex->hw_timer_enabled = false; 3805418b0f0ad389989037d5ed700bcd8b67dbdf018Mohammed Shafi Shajakhan } 38108d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan} 38208d4df410a9ff02c999e69268ec2f4fbfeaac8d7Rajkumar Manoharan 383c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharanu16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) 384c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan{ 385e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan struct ath_btcoex *btcoex = &sc->btcoex; 386c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan struct ath_mci_profile *mci = &sc->btcoex.mci; 387c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan u16 aggr_limit = 0; 388c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan 389c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit) 390c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4; 391e6930c4b32aaa30fb9510984509afcc9f61fa39cSujith Manoharan else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags)) 392c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan aggr_limit = min((max_4ms_framelen * 3) / 8, 393c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan (u32)ATH_AMPDU_LIMIT_MAX); 394c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan 395c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan return aggr_limit; 396c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan} 397c0ac53fa5725aa9e571386d3e7249c1be50eca10Sujith Manoharan 39856ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharanvoid ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status) 39956ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan{ 40056ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan struct ath_hw *ah = sc->sc_ah; 40156ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan 40256ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) 40356ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan if (status & ATH9K_INT_GENTIMER) 40456ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan ath_gen_timer_isr(sc->sc_ah); 40556ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan 4069a15858f0cb9432e29db08dd936c39d20019a484Sujith Manoharan if (status & ATH9K_INT_MCI) 40756ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan ath_mci_intr(sc); 40856ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan} 40956ca0dba9d5fbc2948ed0c3a4fffc51cd875abb9Sujith Manoharan 410df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharanvoid ath9k_start_btcoex(struct ath_softc *sc) 411df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan{ 412df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan struct ath_hw *ah = sc->sc_ah; 413df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan 414df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) && 415df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan !ah->btcoex_hw.enabled) { 416df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) 417df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, 4185160b46f3e53c41c4c6b9e7cdbe0401d3afbfb63Sujith Manoharan AR_STOMP_LOW_WLAN_WGHT, 0); 4195160b46f3e53c41c4c6b9e7cdbe0401d3afbfb63Sujith Manoharan else 4205160b46f3e53c41c4c6b9e7cdbe0401d3afbfb63Sujith Manoharan ath9k_hw_btcoex_set_weight(ah, 0, 0, 4215160b46f3e53c41c4c6b9e7cdbe0401d3afbfb63Sujith Manoharan ATH_BTCOEX_STOMP_NONE); 422df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan ath9k_hw_btcoex_enable(ah); 423df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan 424df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) 425df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan ath9k_btcoex_timer_resume(sc); 426df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan } 427df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan} 428df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan 429df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharanvoid ath9k_stop_btcoex(struct ath_softc *sc) 430df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan{ 431df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan struct ath_hw *ah = sc->sc_ah; 432df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan 433df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan if (ah->btcoex_hw.enabled && 434df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) { 435df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) 436df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan ath9k_btcoex_timer_pause(sc); 437c32cdbd84ffe289a1386eccb794b047a8366913dMohammed Shafi Shajakhan ath9k_hw_btcoex_disable(ah); 4386a73f507cf51a6a9e327fd9e36690072c657d36eBala Shanmugam if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) 439bff2ec2b916cc85628f3025e08660c0350f03650Sujith Manoharan ath_mci_flush_profile(&sc->btcoex.mci); 440df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan } 441df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan} 442df198b172f7a14ecf7aefaadb3761c273600333eSujith Manoharan 4435908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharanvoid ath9k_deinit_btcoex(struct ath_softc *sc) 4445908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan{ 445dd89f05a7572684bbbc1483c60418504cc91cfe6Mohammed Shafi Shajakhan struct ath_hw *ah = sc->sc_ah; 446dd89f05a7572684bbbc1483c60418504cc91cfe6Mohammed Shafi Shajakhan 4475908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan if ((sc->btcoex.no_stomp_timer) && 4485908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE) 4495908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer); 4505908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 451dd89f05a7572684bbbc1483c60418504cc91cfe6Mohammed Shafi Shajakhan if (ath9k_hw_mci_is_enabled(ah)) 4525908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan ath_mci_cleanup(sc); 4535908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan} 4545908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 4555908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharanint ath9k_init_btcoex(struct ath_softc *sc) 4565908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan{ 4575908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan struct ath_txq *txq; 4585908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan struct ath_hw *ah = sc->sc_ah; 4595908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan int r; 4605908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 461d68475de9637a476ad8e5870060ccc69a80f2299Sujith Manoharan ath9k_hw_btcoex_init_scheme(ah); 462d68475de9637a476ad8e5870060ccc69a80f2299Sujith Manoharan 4635908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) { 4645908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan case ATH_BTCOEX_CFG_NONE: 4655908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan break; 4665908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan case ATH_BTCOEX_CFG_2WIRE: 4675908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan ath9k_hw_btcoex_init_2wire(sc->sc_ah); 4685908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan break; 4695908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan case ATH_BTCOEX_CFG_3WIRE: 4705908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan ath9k_hw_btcoex_init_3wire(sc->sc_ah); 4715908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan r = ath_init_btcoex_timer(sc); 4725908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan if (r) 4735908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan return -1; 4745908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan txq = sc->tx.txq_map[WME_AC_BE]; 4755908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum); 4765908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW; 477812944891c598300afcc5628905d775019f25310Mohammed Shafi Shajakhan if (ath9k_hw_mci_is_enabled(ah)) { 4780466e2547d05a9ae8d49afc67a3851d034a528f8Rajkumar Manoharan sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE; 4790466e2547d05a9ae8d49afc67a3851d034a528f8Rajkumar Manoharan INIT_LIST_HEAD(&sc->btcoex.mci.info); 4805908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 4810466e2547d05a9ae8d49afc67a3851d034a528f8Rajkumar Manoharan r = ath_mci_setup(sc); 4820466e2547d05a9ae8d49afc67a3851d034a528f8Rajkumar Manoharan if (r) 4830466e2547d05a9ae8d49afc67a3851d034a528f8Rajkumar Manoharan return r; 4845908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 4850466e2547d05a9ae8d49afc67a3851d034a528f8Rajkumar Manoharan ath9k_hw_btcoex_init_mci(ah); 4860466e2547d05a9ae8d49afc67a3851d034a528f8Rajkumar Manoharan } 4875908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 4885908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan break; 4895908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan default: 4905908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan WARN_ON(1); 4915908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan break; 4925908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan } 4935908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan 4945908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan return 0; 4955908120fdc2aac0cb1be4059b40ec256d55934bcSujith Manoharan} 4964daa7760e2da9324e740f7d872970fa91c8ea6f0Sujith Manoharan 4974daa7760e2da9324e740f7d872970fa91c8ea6f0Sujith Manoharan#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ 498