Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Sujith Manoharan | 1543 | 60.02% | 21 | 39.62% |
Rajkumar Manoharan | 594 | 23.10% | 9 | 16.98% |
Miaoqing Pan | 178 | 6.92% | 2 | 3.77% |
Felix Fietkau | 77 | 2.99% | 5 | 9.43% |
Mohammed Shafi Shajakhan | 58 | 2.26% | 6 | 11.32% |
Vasanthakumar Thiagarajan | 46 | 1.79% | 2 | 3.77% |
Kees Cook | 32 | 1.24% | 1 | 1.89% |
Vivek Natarajan | 23 | 0.89% | 2 | 3.77% |
Joe Perches | 9 | 0.35% | 2 | 3.77% |
Zefir Kurtisi | 9 | 0.35% | 1 | 1.89% |
Baoyou Xie | 1 | 0.04% | 1 | 1.89% |
Eric Xu | 1 | 0.04% | 1 | 1.89% |
Total | 2571 | 53 |
/* * Copyright (c) 2008-2011 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 "ath9k.h" /********************************/ /* LED functions */ /********************************/ #ifdef CONFIG_MAC80211_LEDS static void ath_fill_led_pin(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; /* Set default led pin if invalid */ if (ah->led_pin < 0) { if (AR_SREV_9287(ah)) ah->led_pin = ATH_LED_PIN_9287; else if (AR_SREV_9485(ah)) ah->led_pin = ATH_LED_PIN_9485; else if (AR_SREV_9300(ah)) ah->led_pin = ATH_LED_PIN_9300; else if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) ah->led_pin = ATH_LED_PIN_9462; else ah->led_pin = ATH_LED_PIN_DEF; } /* Configure gpio for output */ ath9k_hw_gpio_request_out(ah, ah->led_pin, "ath9k-led", AR_GPIO_OUTPUT_MUX_AS_OUTPUT); /* LED off, active low */ ath9k_hw_set_gpio(ah, ah->led_pin, ah->config.led_active_high ? 0 : 1); } static void ath_led_brightness(struct led_classdev *led_cdev, enum led_brightness brightness) { struct ath_softc *sc = container_of(led_cdev, struct ath_softc, led_cdev); u32 val = (brightness == LED_OFF); if (sc->sc_ah->config.led_active_high) val = !val; ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, val); } void ath_deinit_leds(struct ath_softc *sc) { if (!sc->led_registered) return; ath_led_brightness(&sc->led_cdev, LED_OFF); led_classdev_unregister(&sc->led_cdev); ath9k_hw_gpio_free(sc->sc_ah, sc->sc_ah->led_pin); } void ath_init_leds(struct ath_softc *sc) { int ret; if (AR_SREV_9100(sc->sc_ah)) return; ath_fill_led_pin(sc); if (!ath9k_led_blink) sc->led_cdev.default_trigger = ieee80211_get_radio_led_name(sc->hw); snprintf(sc->led_name, sizeof(sc->led_name), "ath9k-%s", wiphy_name(sc->hw->wiphy)); sc->led_cdev.name = sc->led_name; sc->led_cdev.brightness_set = ath_led_brightness; ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev); if (ret < 0) return; sc->led_registered = true; } #endif /*******************/ /* Rfkill */ /*******************/ static bool ath_is_rfkill_set(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; bool is_blocked; ath9k_ps_wakeup(sc); is_blocked = ath9k_hw_gpio_get(ah, ah->rfkill_gpio) == ah->rfkill_polarity; ath9k_ps_restore(sc); return is_blocked; } void ath9k_rfkill_poll_state(struct ieee80211_hw *hw) { struct ath_softc *sc = hw->priv; bool blocked = !!ath_is_rfkill_set(sc); wiphy_rfkill_set_hw_state(hw->wiphy, blocked); } void ath_start_rfkill_poll(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT) wiphy_rfkill_start_polling(sc->hw->wiphy); } #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT /******************/ /* BTCOEX */ /******************/ /* * Detects if there is any priority bt traffic */ static void ath_detect_bt_priority(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; struct ath_hw *ah = sc->sc_ah; if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio)) btcoex->bt_priority_cnt++; if (time_after(jiffies, btcoex->bt_priority_time + msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) { clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); clear_bit(BT_OP_SCAN, &btcoex->op_flags); /* Detect if colocated bt started scanning */ if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) { ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, "BT scan detected\n"); set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); set_bit(BT_OP_SCAN, &btcoex->op_flags); } else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) { ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, "BT priority traffic detected\n"); set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); } btcoex->bt_priority_cnt = 0; btcoex->bt_priority_time = jiffies; } } static void ath_mci_ftp_adjust(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; struct ath_mci_profile *mci = &btcoex->mci; struct ath_hw *ah = sc->sc_ah; if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) { if (ar9003_mci_state(ah, MCI_STATE_NEED_FTP_STOMP) && (mci->num_pan || mci->num_other_acl)) ah->btcoex_hw.mci.stomp_ftp = (sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH); else ah->btcoex_hw.mci.stomp_ftp = false; btcoex->bt_wait_time = 0; sc->rx.num_pkts = 0; } } /* * This is the master bt coex timer which runs for every * 45ms, bt traffic will be given priority during 55% of this * period while wlan gets remaining 45% */ static void ath_btcoex_period_timer(struct timer_list *t) { struct ath_softc *sc = from_timer(sc, t, btcoex.period_timer); struct ath_hw *ah = sc->sc_ah; struct ath_btcoex *btcoex = &sc->btcoex; enum ath_stomp_type stomp_type; u32 timer_period; unsigned long flags; spin_lock_irqsave(&sc->sc_pm_lock, flags); if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) { btcoex->bt_wait_time += btcoex->btcoex_period; spin_unlock_irqrestore(&sc->sc_pm_lock, flags); goto skip_hw_wakeup; } spin_unlock_irqrestore(&sc->sc_pm_lock, flags); ath9k_ps_wakeup(sc); spin_lock_bh(&btcoex->btcoex_lock); if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) { ath9k_mci_update_rssi(sc); ath_mci_ftp_adjust(sc); } if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) ath_detect_bt_priority(sc); stomp_type = btcoex->bt_stomp_type; timer_period = btcoex->btcoex_no_stomp; if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) { if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) { stomp_type = ATH_BTCOEX_STOMP_ALL; timer_period = btcoex->btscan_no_stomp; } } else if (btcoex->stomp_audio >= 5) { stomp_type = ATH_BTCOEX_STOMP_AUDIO; btcoex->stomp_audio = 0; } ath9k_hw_btcoex_bt_stomp(ah, stomp_type); ath9k_hw_btcoex_enable(ah); spin_unlock_bh(&btcoex->btcoex_lock); if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) mod_timer(&btcoex->no_stomp_timer, jiffies + msecs_to_jiffies(timer_period)); ath9k_ps_restore(sc); skip_hw_wakeup: mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(btcoex->btcoex_period)); } /* * Generic tsf based hw timer which configures weight * registers to time slice between wlan and bt traffic */ static void ath_btcoex_no_stomp_timer(struct timer_list *t) { struct ath_softc *sc = from_timer(sc, t, btcoex.no_stomp_timer); struct ath_hw *ah = sc->sc_ah; struct ath_btcoex *btcoex = &sc->btcoex; ath9k_ps_wakeup(sc); spin_lock_bh(&btcoex->btcoex_lock); if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && test_bit(BT_OP_SCAN, &btcoex->op_flags))) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW); ath9k_hw_btcoex_enable(ah); spin_unlock_bh(&btcoex->btcoex_lock); ath9k_ps_restore(sc); } static void ath_init_btcoex_timer(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD; btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * btcoex->btcoex_period / 100; btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * btcoex->btcoex_period / 100; btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW; timer_setup(&btcoex->period_timer, ath_btcoex_period_timer, 0); timer_setup(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer, 0); spin_lock_init(&btcoex->btcoex_lock); } /* * (Re)start btcoex timers */ void ath9k_btcoex_timer_resume(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; struct ath_hw *ah = sc->sc_ah; if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_3WIRE && ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI) return; ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n"); /* make sure duty cycle timer is also stopped when resuming */ del_timer_sync(&btcoex->no_stomp_timer); btcoex->bt_priority_cnt = 0; btcoex->bt_priority_time = jiffies; clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); clear_bit(BT_OP_SCAN, &btcoex->op_flags); mod_timer(&btcoex->period_timer, jiffies); } /* * Pause btcoex timer and bt duty cycle timer */ void ath9k_btcoex_timer_pause(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; struct ath_hw *ah = sc->sc_ah; if (ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_3WIRE && ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_MCI) return; ath_dbg(ath9k_hw_common(ah), BTCOEX, "Stopping btcoex timers\n"); del_timer_sync(&btcoex->period_timer); del_timer_sync(&btcoex->no_stomp_timer); } void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; del_timer_sync(&btcoex->no_stomp_timer); } u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) { struct ath_btcoex *btcoex = &sc->btcoex; struct ath_mci_profile *mci = &sc->btcoex.mci; u16 aggr_limit = 0; if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit) aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4; else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags)) aggr_limit = min((max_4ms_framelen * 3) / 8, (u32)ATH_AMPDU_LIMIT_MAX); return aggr_limit; } void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status) { if (status & ATH9K_INT_MCI) ath_mci_intr(sc); } void ath9k_start_btcoex(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; if (ah->btcoex_hw.enabled || ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) return; if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT, AR_STOMP_LOW_WLAN_WGHT, 0); else ath9k_hw_btcoex_set_weight(ah, 0, 0, ATH_BTCOEX_STOMP_NONE); ath9k_hw_btcoex_enable(ah); ath9k_btcoex_timer_resume(sc); } void ath9k_stop_btcoex(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; if (!ah->btcoex_hw.enabled || ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE) return; ath9k_btcoex_timer_pause(sc); ath9k_hw_btcoex_disable(ah); if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) ath_mci_flush_profile(&sc->btcoex.mci); } void ath9k_deinit_btcoex(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; if (ath9k_hw_mci_is_enabled(ah)) ath_mci_cleanup(sc); else { enum ath_btcoex_scheme scheme = ath9k_hw_get_btcoex_scheme(ah); if (scheme == ATH_BTCOEX_CFG_2WIRE || scheme == ATH_BTCOEX_CFG_3WIRE) ath9k_hw_btcoex_deinit(sc->sc_ah); } } int ath9k_init_btcoex(struct ath_softc *sc) { struct ath_txq *txq; struct ath_hw *ah = sc->sc_ah; int r; ath9k_hw_btcoex_init_scheme(ah); switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) { case ATH_BTCOEX_CFG_NONE: break; case ATH_BTCOEX_CFG_2WIRE: ath9k_hw_btcoex_init_2wire(sc->sc_ah); break; case ATH_BTCOEX_CFG_3WIRE: ath9k_hw_btcoex_init_3wire(sc->sc_ah); ath_init_btcoex_timer(sc); txq = sc->tx.txq_map[IEEE80211_AC_BE]; ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum); break; case ATH_BTCOEX_CFG_MCI: ath_init_btcoex_timer(sc); sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE; INIT_LIST_HEAD(&sc->btcoex.mci.info); ath9k_hw_btcoex_init_mci(ah); r = ath_mci_setup(sc); if (r) return r; break; default: WARN_ON(1); break; } return 0; } static int ath9k_dump_mci_btcoex(struct ath_softc *sc, u8 *buf, u32 size) { struct ath_btcoex *btcoex = &sc->btcoex; struct ath_mci_profile *mci = &btcoex->mci; struct ath_hw *ah = sc->sc_ah; struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; u32 len = 0; int i; ATH_DUMP_BTCOEX("Total BT profiles", NUM_PROF(mci)); ATH_DUMP_BTCOEX("MGMT", mci->num_mgmt); ATH_DUMP_BTCOEX("SCO", mci->num_sco); ATH_DUMP_BTCOEX("A2DP", mci->num_a2dp); ATH_DUMP_BTCOEX("HID", mci->num_hid); ATH_DUMP_BTCOEX("PAN", mci->num_pan); ATH_DUMP_BTCOEX("ACL", mci->num_other_acl); ATH_DUMP_BTCOEX("BDR", mci->num_bdr); ATH_DUMP_BTCOEX("Aggr. Limit", mci->aggr_limit); ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type); ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period); ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle); ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time); ATH_DUMP_BTCOEX("Concurrent Tx", btcoex_hw->mci.concur_tx); ATH_DUMP_BTCOEX("Concurrent RSSI cnt", btcoex->rssi_count); len += scnprintf(buf + len, size - len, "BT Weights: "); for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++) len += scnprintf(buf + len, size - len, "%08x ", btcoex_hw->bt_weight[i]); len += scnprintf(buf + len, size - len, "\n"); len += scnprintf(buf + len, size - len, "WLAN Weights: "); for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++) len += scnprintf(buf + len, size - len, "%08x ", btcoex_hw->wlan_weight[i]); len += scnprintf(buf + len, size - len, "\n"); len += scnprintf(buf + len, size - len, "Tx Priorities: "); for (i = 0; i < ATH_BTCOEX_STOMP_MAX; i++) len += scnprintf(buf + len, size - len, "%08x ", btcoex_hw->tx_prio[i]); len += scnprintf(buf + len, size - len, "\n"); return len; } static int ath9k_dump_legacy_btcoex(struct ath_softc *sc, u8 *buf, u32 size) { struct ath_btcoex *btcoex = &sc->btcoex; u32 len = 0; ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type); ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period); ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle); ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time); return len; } int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) { if (ath9k_hw_mci_is_enabled(sc->sc_ah)) return ath9k_dump_mci_btcoex(sc, buf, size); else return ath9k_dump_legacy_btcoex(sc, buf, size); } #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
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